P SEPARATING THROTTLING CALORIMETER softener by benbenzhou

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									          POWER PLANT LABORATORY SPECIFICATIONS

CUSSONS SCHEME 5KW STEAM POWER PLANT ( P7600-P7619) comprising -

P7600 BOILER FOR SCHEME 5 - OIL FIRED

Fully automatic oil fired steam boiler capable of evaporation rate of 320 kg/hr from and
at 100°C and with a maximum working pressure of 10.3 bar (150 lb/in²) gauge. The
boiler comprises a tubeless annular steam raising pressure vessel with extended surface
area.

A centrally mounted semi-forced draught burner firing vertically downwards into a
double pass combustion chamber and incorporating flame failure safety warning light and
control.

The boiler is fully lagged and protected by an enamelled steel jacket and is furnished with
two safety valves, steam stop valve, pressure gauge, water level gauge and protector,
blow down valve, two feedwater non-return valves, relief valve and feedwater pump.

Interconnecting pipework is supplied to connect the various valves to the boiler, included
in the pipework are plugged bosses for the additional instrumentation P7602.

The water feed system consists of an electric feed pump controlled by an electronic water
level probe system incorporating low water level alarm and lock out.

The boiler mounted control panel contains the electrical circuitry for fully automatic on-
off control of the feed pump, from the water level system, and for fully automatic control
on-off control of the burner from a steam pressure control through an interlocked air,
ignition, fuel and flame failure sequence controller.

A boiler to flue connection comprising 90° condensation trap with clean out door, a
914mm straight section incorporating interconnecting points for instrument and flue gas
sampling, and a section incorporating a draught stabiliser.

SERVICES REQUIRED:-

Feed Water Supply:-
320 litres/hour of treated water at a positive head of 1 metre.
Oil supply:-
25 litres/hour of 35 second fuel oil.
Electrical Supply:-
Three phase, 380/415V, 50Hz rated at 1.7kW. Alternative 220V, 3 phase, 60Hz and
110V, 1 phase, 60HZ.
Blowdown Ventilation:-
A blowdown pit or tank must be provided. Minimum boiler house air inlet vent size 1935
cm².
Safety Valve Exhaust Flue:-
Two 25mm diameter pipes to atmosphere, 154mm flue to produce a standing draught of
0.24mm water gauge.
Boiler Size:-
965mm diameter by 1829mm high. Overall Dimensions: 2.3m high by 1.27m wide x
1.5m deep.
Dry Boiler Weight (approx.):-
1800kg.
Boiler Water Content:-
291 litres.

P7601 TANKS SET FOR SCHEME 5 - OIL FIRED

Comprising - An open boiler feed water/condensate return tank of 35 litres capacity fitted
with a lid and furnished with:-
- Sight gauge.
- Ball float valve and supply isolating valve to control the make up water level at 200
litres capacity, allowing a condensate return of 150 litres.
- Overflow connection.
- Drain connection and valve.
- Condensate return connection.
- Water take off connection fitted with stop valve.

A totally enclosed daily oil storage tank of 250 litres capacity fitted with a removable
cleaning door and furnished with:-

- Sight gauge.
- Vent pipe.
- Fill connection.
- Drain valve.
- Take-off connection for boiler fitted with stop valve and strainer.
- Oil return connection for boiler.
- Take-off connection for superheater, with stop valve and strainer.


P7602 ADDITIONAL BOILER INSTRUMENTATION FOR SCHEME 5 STEAM
POWER PLANT - OIL FIRED

This boiler instrumentation unit includes additional instrumentation required to enable a
complete experimental investigation including a boiler trial to be conducted on the P7600
Oil Fired Boiler.

Comprising:-
- Feed water meter.
- Fuel flow transducer and totalising indicator.
- Flue draught manometer.
- Multi-point temperature indicator and thermocouple, for air, feed water, fuel, steam and
flue temperature.
- %CO2 absorption indicator.
- Boiler oil pressure gauge.
All mounted in a panel with suitable brackets for fixing to the tank set P7601, and
completely internally wired.
P7603 SUPER HEATER FOR SCHEME 5 - OIL FIRED

Fully automatic oil fired superheater rated to give a final steam temperature of 235°C and
designed for operation with P7600 Steam Boiler, Which has an equivalent evaporation
rate of 320kg/hour steam and a maximum pressure of 10.3 bar gauge.

Comprising:-
1. A continuous steam coil with inlet and outlet headers.

2. A semi-forced draught oil burner firing horizontally into a combustion chamber and
complete with flame failure controls.

The superheater is fully insulated and protected by a steel jacket and is furnished with a
safety valve and a drain valve.

The control panel contains the electrical circuitry for fully automatic on-off control of the
oil burner interlocked through the temperature, pressure, steam coil over temperature and
the flame failure detector. The controller incorporates pressure and temperature gauges.

A superheater flue connection comprising a 914mm straight section incorporating
connection points for instrument and flue gas sampling. Also a section incorporating a
draught stabiliser. The superheater is supplied with all necessary controls and instruments
for normal operational use.

SERVICES REQUIRED:-

Oil Supply:- 8 litres/hour of 35 second fuel oil.

Electrical supply:- 1 phase, 220/240V, 50Hz rated at 350kW. Alternatively 1 phase 110V,
60Hz.

Blowdown:- A blowdown pit/tank must be provided (can be same)

Safety Valve Exhaust:- 19mm dia. pipe to atmosphere

Flue:- 127mm dia. flue BST "D".

Overall Dimensions:- 0.9m wide x 1.0m deep x 1.9m high.

Weight:- 650Kgs nett.
P7604 EXTRA SUPER HEATER INSTRUMENTATION FOR SCHEME 5
STEAM POWER PLANT

This superheater instrumentation unit includes additional instrumentation required to
enable a complete experimental investigation including a boiler trial to be conducted on
the P7603 Superheater.

Comprising:-

- Fuel flow transducer and totalising indicator.
- Flue draught manometer.
- Multi-point temperature indicator and thermocouples for air, steam inlet, steam outlet
and flue temperatures.
- %CO2 absorption indicator.
- Superheater pressure gauge.

All mounted in a panel with suitable brackets for fixing to the Tank Set P7601, and
completely internally wired.


P7605 BOILER FOR SCHEME 5 - GAS FIRED

Fully automatic gas fired steam boiler capable of evaporation rate of 320 kg/hr from and
at 100 C and with a maximum working pressure of 10.3 bar (150 lb/in) gauge. The boiler
comprises a tubeless annular steam raising pressure vessel with extended surface area. A
centrally mounted semi-forced draught burner firing vertically downwards into a double
pass combustion chamber and incorporating flame failure safety warning light and
control.
The boiler is fully lagged and protected by an enamelled steel jacket and is furnished with
two safety valves, steam stop valve, pressure gauge, water level gauge and protector,
blow down valve, two feedwater non-return valves, relief valve and feedwater pump.

Interconnecting pipework is supplied to connect the various valves to the boiler, included
in the pipework are plugged bosses for the additional instrumentation P7607.

The water feed system consists of an electric feed pump controlled by an electronic water
level probe system incorporating low water level alarm and lock out.

The boiler mounted control panel contains the electrical circuitry for fully automatic on-
off control of the feed pump, from the water level system, and for fully automatic control
on-off control of the burner from a steam pressure control through an interlocked air,
ignition, fuel and flame failure sequence controller.

A boiler to flue connection comprising 90 elbow, 300mm straight section incorporating
instrument and flue gas sampling points, and a 600mm straight section incorporates a
draught stabiliser.
P7606 TANKS SET FOR SCHEME 5 - GAS FIRED

Comprising - An open boiler feed water/condensate return tank of 35 litres capacity fitted
with a lid and furnished with:-
- Sight gauge.
- Ball float valve and supply isolating valve to control the make up water level at 200
litres capacity, allowing a condensate return of 150 litres.
- Overflow connection.
- Drain connection and valve.
- Condensate return connection.
- Water take off connection fitted with stop valve.

Tank mounted on a mild steel stand.

P7607 ADDITIONAL BOILER INSTRUMENTATION FOR SCHEME 5 STEAM
POWER PLANT - GAS FIRED

This boiler instrumentation unit includes additional instrumentation required to enable a
complete experimental investigation including a boiler trial to be conducted on the P7605
Gas Fired Boiler.

Comprising:-
- Feed water meter.
- Fuel flow transducer and totalising indicator.
- Flue draught manometer.
- Multi-point temperature indicator and thermocouple, for air, feed water, fuel, steam and
flue temperature.
- %CO2 absorption indicator.
- Boiler gas pressure gauge.

All mounted in a panel with suitable brackets for fixing to the tank set P7606, and
completely internally wired.

P7608 SUPER HEATER FOR SCHEME 5 - GAS FIRED

Fully automatic gas fired superheater rated to give a final steam temperature of 235°C
and designed for operation with P7605 Steam Boiler, Which has an equivalent
evaporation rate of 320kg/hour steam and a maximum pressure of 10.3 bar gauge.

Comprising:-
1. A continuous steam coil with inlet and outlet headers.

2. A semi-forced draught oil burner firing horizontally into a combustion chamber and
complete with flame failure controls.

The superheater is fully insulated and protected by a steel jacket and is furnished with a
safety valve and a drain valve.

The control panel contains the electrical circuitry for fully automatic on-off control of the
oil burner interlocked through the temperature, pressure, steam coil over temperature and
the flame failure detector. The controller incorporates pressure and temperature gauges.
A superheater flue connection comprising a 914mm straight section incorporating
connection points for instrument and flue gas sampling. Also a section incorporating a
draught stabiliser. The superheater is supplied with all necessary controls and instruments
for normal operational use.

P7609 EXTRA SUPER HEATER INSTRUMENTATION FOR SCHEME 5
STEAM POWER PLANT - GAS FIRED

This superheater instrumentation unit includes additional instrumentation required to
enable a complete experimental investigation including a boiler trial to be conducted on
the P7608 Gas Fired Superheater.

Comprising:-

- Fuel flow transducer and totalising indicator.
- Flue draught manometer.
- Multi-point temperature indicator and thermocouples for air, steam inlet, steam outlet
and flue temperatures.
- %CO2 absorption indicator.
- Superheater pressure gauge.

All mounted in a panel with suitable brackets for fixing to the Tank Set P7606, and
completely internally wired.

P7610 BOILER FLUE FOR SCHEME 5 STEAM POWER PLANT

A 254mm diameter stainless steel flue supplied in sections to provide a variety of
possible installations comprising:-

2 - 45° elbows
5 - Straight lengths of 1m.
1 - Cowl.
3 - Wall supports.

Exclusions:
- roof sealing plates and seals.
- wall sealing plates and seals.
- tie wires and brackets.
- floor to flue supports.

P7611 SUPER HEATER FLUE FOR SCHEME 5 STEAM POWER PLANT

A 152mm diameter stainless steel flue supplied in sections to provide a variety of
possible installations comprising:-

2 - 45° elbows
5 - Straight lengths of 1m.
1 - Cowl.
3 - Wall supports.
Exclusions: roof sealing plates and seals - wall sealing plates and seals.
             tie wires and brackets - floor to flue supports.
P7612 BLOWDOWN TANK FOR SCHEME 5 STEAM POWER PLANT

One blowdown tank consisting of a welded pressure vessel with legs and complete with
vent, inlet and overflow connections. Suitable for a maximum working pressure of 10.3
bar gauge.

P7613 WATER TREATMENT SET FOR SCHEME 5 STEAM POWER PLANT

Comprising:-

A base exchange water softener, sized to treat water of 200 ppm hardness continuously
for 8 hours or water of 400 ppm hardness continuously for 4 hours between regeneration,
and arranged for manual control of the regeneration cycle comprising:-

- Softener vessel.
- Salt storage tank.
- Water meter.
- isolating valves.
- Bypass valve.
- Water sampling point.

A feed water additive dosing plant sized to inject up to 3.5 litres/hour comprising:-

- 25 litre drum of DM 4-1 concentrate.
- Pump adjustable from zero to maximum flow rate.
- Chemical storage tank of 100 litres.

The water softener and dosing plant are mounted on a common stand and includes all
interconnecting pipework.
A water test set is included and comprises an aero fibre lockable case containing the
apparatus and tablets required to carry out the following tests:-

- DM valve (tannin index).
- Alkalinity P1 (to phenolphthalein).
- Chloride.
- pH by indicator paper.
- Alkalinity P2 (to phenolphthalein in the presence of BaCl2).

P7614 STEAM TURBINE AND CONDENSER SET FOR SCHEME 5 STEAM
POWER PLANT

Comprises three main sub-assemblies, a turbine and condenser baseplate, condensate
collecting tank and overhead control panel.

The turbine baseplate sub-assembly consists of a mild steel fabricated baseplate, a turbine
dynamometer, surface condenser, condenser vacuum pump, condensate tank drain pump
and all interconnecting pipework.

The turbine is a single stage impulse type fitted with stainless steel blades. A constant
speed control governor and overspeed trip are also fitted to the turbine.
The dynamometer is mounted in trunnions with the torque being measured by a load cell
system. Dynamometer field control is by variable supply from the over head control unit,
the dynamometer output being dissipated in a load bank.

The condensate is extracted from the condenser by the electrically operated condenser
vacuum pump. A small electrically driven condensate tank drain pump is used to drain
condensate from the condensate tank.

Control valves and safety valves are provided in the pipework as follows:-

1. Steam inlet drain valve.
2. Steam exhaust drain valve.
3. Turbine gland, one isolating valve and two control valves.
4. Exhaust isolating valve.
5. Turbine gland sentinel relief valve.
6. Exhaust casting relief valve.
7. Condenser cooling water outlet control valve.
8. Condenser shell relief valve.
9. Condenser drain valve.
10. Vacuum pump isolating valve.
11. Vacuum pump water supply valve.
12. 3-way condensate discharge valve.

A pressure reducing valve is supplied to fit into the incoming steam main. The valve,
range 10.34 bar to 8.6 bar gauge maintains a constant steam inlet pressure.

The condensate collecting tank is designed to stand at the end of the turbine base frame
and contains baffles to damp out any turbulence.

Fitted to the overhead framing and two control panels. One control panel contains the
dynamometer control system and electrical indicators, the other panel contains pressure
gauges for the system. Fitted to the electrical instrumentation are the following
instruments:-

1. 6-way temperature indicator.
2. Analogue tachometer.
3. Dynamometer output voltmeter.
4. Dynamometer field voltmeter.
5. Condensate timer.
6. Torque meter.
7. Dynamometer output ammeter.

Fitted to the pressure gauge panel are pressure gauges for monitoring the following:-

1. Steam supply pressure.
2. Nozzle steam pressure.
3. Exhaust vacuum.
4. Gland ceiling pressure.
5. Condenser vacuum.

All connections from the turbine baseplate to the control and instrument panel are made
by plugs and sockets or union connections.
Performance:-
Maximum operating speed - 3000 r.p.m.
Maximum output - 5kW when turbine is supplied with steam at 8.6 bar and final
superheated steam temperature of 235°C and exhaust conditions of -0.69 bar.

SERVICES REQUIRED:

Steam Supply:-
276 kg/hr at 8.6 bar gauge and final temperature of 235°C.

Electrical Supply:-
3 phase, 380/415V, 50Hz and single phase 220/240V, 50Hz.

Alternatively:- 220V, 3 phase, 60Hz and 110V, single phase, 60HZ.

Water Supply:-
17,000 litres/hour at a maximum temperature of 21°C.

Dimensions:-
2.2m long by 1.4m wide by 1.7m high. Approx. nett weight 1300 kgs.

P7615 COOLING TOWER FOR SCHEME 5 STEAM POWER PLANT

Glass fibre re-inforced cooling tower designed to be compatible with P7614 Steam
Turbine and Condenser Unit, when working in an ambient temperature of 15°C, water on
to the tower 31°C, water off 21°C.

Cooling tower consists of honey combed fill with induced draught meter, inlet air grilles
and all bosses for pipework connections.

A cooling water recirculating pump capable of passing the volume of water required by
the condenser/cooling tower system is also supplied.

P7616 LABORATORY DESIGN - SCHEME 5 STEAM POWER PLANT

The complete design of an integrated laboratory layout for the 5kW Steam Plant,
consisting of the following items:-
P7600/5 Boilers.
P7601/6 Tanks.
P7602/7 Add. Boiler Instrumentation.
P7603/7 Superheater.
P7604/9 Add. Superheater Instrumentation.
P7610 Boiler Flue.
P7611 Superheater Flue.
P7612 Blowdown Tank.
P7613 Water Treatment Set.
P7614 Steam Turbine and Condenser Set.
P7615 Cooling Tower.
P7660 Separating and Throttling Calorimeter.
The laboratory will be designed to accommodate the physical features of the building,
and our extensive experience will be used to produce a compact arrangement whilst still
providing satisfactory student accessibility and practical working arrangement of
pipework.
Two copies of drawings indicating:-
- Trench arrangement.
- Electrical power requirement.
- Service requirement, i.e. water supplies, drains etc. will be supplied to enable all site run
services to be made available before arrival of the equipment.
The supply of this item will enable the plant to be installed with the minimum of time and
labour.

P7617 INSTALLATION MATERIALS FOR SCHEME 5 STEAM POWER
PLANT

This comprises the supply of all installation materials for 5 kW Steam Plant consisting of
the following items:
consisting of the following items:-
P7600/5 Boilers.
P7601/6 Tanks.
P7602/7 Add. Boiler Instrumentation.
P7603/7 Superheater.
P7604/9 Add. Superheater Instrumentation.
P7610 Boiler Flue.
P7611 Superheater Flue.
P7612 Blowdown Tank.
P7613 Water Treatment Set.
P7614 Steam Turbine and Condenser Set.
P7615 Cooling Tower.
P7660 Separating and Throttling Calorimeter.
PIPEWORK ETC
The supply of all Pre-fabricated interconnecting pipework consists of steam, exhaust,
blowdown water, drains and fuel complete with all necessary flanges, unions, valves,
steam traps, brackets and supports, and all connecting points for the additional
instrumentation.
All individual sections of pipework will be numbered and cross referenced to the
laboratory layout drawing and parts lists to facilitate a minimum installation time.
LAGGING
A complete set of insulating material and aluminium cladding, including fitting
instructions to enable the steam main as supplied as part P7616 to be suitably lagged.
The pre-formed insulation consists of 1 metre lengths and is complete with aluminium
cladding, which is supplied in fabricated lengths and bends and marked to suit each
individual pipework layout.
Aluminium valve boxes and flange boxes with quick release catches are provided for the
steam valves and flanges.
A tool kit comprising tin snips, screwdrive, belts, tape measure and hand drill with 1/8"
drills is supplied to assist in the assembly.
P7618 INSTALLATION BY CUSSONS ENGINEERS OF SCHEME 5 STEAM
PLANT

The provision of two service engineers to install and connect all the pipework supplied to
are ref: P7616 with 5kW Steam Plant.

The engineers will be responsible for:-

1. Supervising the final positioning of the equipment within the laboratory, labour,
Handling and lifting equipment to be provided for by the client. Unpacking and
positioning the equipment in their appropriate final positions is the responsibility of the
client and must be completed prior to the arrival of our engineers.

2. Connecting and running all pre-fabricated pipework between equipment.

3. Connecting and running pipework to water supply points provided by the client in the
required position, as indicated on our drawings.

4. Positioning and erecting boiler and superheater flues, our ref: P7610 and P7611 -
providing these items are part of the contract and have been supplied by G. Cussons Ltd.
Lifting and handling the equipment must be provided for by the client.

5. Connect and run electrical wiring from isolators provided by the client in the positions
shown on our drawing.

6. Positioning and fixing all pipe supports. Modification to supports, if due to building
discrepancies other than those shown on the drawings provided to us, will be the
responsibility of the client.

The price includes air fares and travel expenses, hotels and meals, and out of pocket
expenses for the two engineers.



P7619 COMMISSIONING BY CUSSONS ENGINEERS OF SCHEME 5 STEAM
PLANT

The provision of a commissioning engineer to check and start up the 5kW Steam Plant,
Consisting of the following items:-

P7600/05 Steam Boiler.
P7601/06 Tanks Set.
P7602/07 Add. Boiler Instrumentation.
P7603/08 Superheater.
P7604/09 Add. Superheater Instrumentation.
P7613    Water Treatment Set.
P7614    Steam Turbine and Condenser Unit.
P7615    Cooling Tower.
P7660    Separating and Throttling Calorimeter.
The engineers will be responsible for:-

1. Checking over the equipment to ensure all connections, i.e. electrical and pipework are
correct.

2. Starting up of the equipment and carrying out the initial adjustments for correct
operation.

3. Instruct the laboratory technicians in the operational and maintenance procedure of the
equipment.

4. Run a trial test on the equipment, collect sample readings and complete calculations as
determined by our laboratory sheets.

5. Advise lecturers on test procedures.

The price includes air fare and travel expenses, hotel and meals, and out of pocket
expenses for the engineer. Before are commissioning engineer arrives on site, we require
a signed certificate from an independent organisation i.e. Lloyds Insurance, British
Embassy etc., advising that the equipment has been installed to our drawings and that all
service connections i.e. water, electrics have been completed and are available. This
certificate is not required if our installation engineers ref: P7618


P7660 SEPARATING & THROTTLING CALORIMETER

[1]    Designed to allow measurement of dryness traction of steam.
[2]    Separating Calorimeter is efficiently insulated and completely encased in metal
sheet with water gauge and drain cock.
[3]    Throttling Calorimeter is effectively insulated and completely encased in metal
sheet with thermometer and manometer.
[4]    Condenser complete with cooling water inlet and outlet connections and
condensate drain.
[5]    Range of interconnecting pipework between steam header/separating
calorimeter/throttling calorimeter/condenser.
[6]    Panel contains schematic diagram of calorimeters.
[7]    One length of flexible steam tubing with fittings.
[8]    Instruments:
       Steam Pressure Gauge.
       Manometer
       Two Temperature Thermocouples.

P7668 STEAM PROCESS PLANT BENCH

P7671 PRESSURE/TEMPERATURE VESSEL BENCH

[1]     A mild steel pressure vessel welded in accordance with BS 2633 (1973) designed
for a working pressure of 10.31 bar and a maximum steam temperature of 235°C and
fitted with a type K thermocouple driving a 0-250°C analogue temperature indicator.
[2]     A pressure measuring point coupled to a 0- 16 bar Bourdon type pressure gauge, a
0-250°C mercury in steel type V temperature sensor.
[3]     A pressure measuring point coupled to a circular mechanically driven 2-pen chart
recorder.
[4]     A blowdown line complete with a combined isolating and control Valve
connected to the bench blowdown line.
[5]     Steam supply to the pressure vessel is to be from a fully insulated steam header
with supply branch fitted with a combined isolating and control valve.
[6]     Installed on a sturdy frame and panels of all steel construction complete with
service facilities relating to water supply, blowdown and drainage.
[7]     The bench shall be designed to interconnect with all other steam benches to form
a comprehensive steam bench system and to be supplied complete with an
interconnecting back panel, student work surface, a set of four stainless steel flexible
hoses, a section of aluminium clad lagging for the flexible steam hose and a supply of
chart recorder pens (10-off) and charts (100-off).

P7672 SEPARATING & THROTTLING CALORIMETER BENCH

[1]     Series connected mild steel separating and throttling calorimeters, each welded in
accordance with BS 2633 (1973), designed for a maximum working pressure of 10.34 bar
and a maximum steam pressure of 235ºC, and lagged with fibreglass insulation enclosed
within a mild steel cover.
[2]     The separating calorimeter to be fitted with a graduated level gauge, protected by
a clear perspex tubular shield, and a drain line with isolating valve.
[3]     The throttling calorimeter to be fitted with brass orifice block, a temperature
measuring point, a pressure measuring point connected to a mercury manometer via an
isolating valve, and a steam outlet line to a steam condenser with cooling water supplied
from the service line, via an isolating valve, and connected to a drain via a combined
sight glass and check valve.
[4]     Steam to be supplied to the separating calorimeter from a fully insulated steam
header via a steam control valve, the steam supply line having temperature and pressure
measuring point fittings.
[5]     Steam supply pressure is to be indicated on a 0-16 bar Bourdon type pressure
gauge and analogue indications of temperature to be provided by a 0-250°C meter
connected via a toggle switch to measuring points.
[6]     Installed on a sturdy frame and panels of all steel construction complete with
service facilities relating to water supply, blowdown and drainage.
[7]     Enables the unit to be integrated into a steam bench system, it is to be supplied
with an inter-connecting back panel, Student work surface, a set of 4 stainless steel
flexible inter-connecting hoses and a section of aluminium-clad lagging for the flexible
steam hose.
[8]     A 3 litre glass beaker to be supplied to collect condensate from the condenser, or
separating calorimeter, and a 250 ml glass cylinder for measuring condensate.
[9]     A spare level gauge tube and associated gland bushes (2 off) to be included with
the unit.

P7673 LAGGING EFFICIENCY BENCH

[1]    Four experimental tubes each fitted with a different type of finish or insulation
material as follows: paint finish; chromium plated finish; pre-formed 19mm thick canvas
covered fibre glass insulation jacket with isogenic cladding; glass fibre webbing tape.
[2]    Each tube to be of mild steel construction, welded in accordance with BS2633
(1973), designed for a maximum working pressure of 10.34 bar and a maximum steam
temperature of 235°C and fitted with a condensate level sight glass complete with a 0-
20cm scale and protective cover glass.
[3]     Surface temperatures of each tube and of the outer surfaces of the insulating
materials to be measured by type K thermocouples and displayed on a 0-250°C analogue
temperature indicator via multi-point selection switch.
[4]     Steam supply to the tubes is to be from a fully insulated steam header fitted with
type K thermocouple, a pressure measuring point coupled to a 0-16 bar Bourdon type
pressure gauge and four steam branches each fitted with a combined isolating and control
valve.
[5]     Each tube to incorporate a blowdown line fitted with combined isolating and
control valve.

P7674 EJECTOR BENCH

[1]     Mild steel header assembly welded in accordance with BS2633 (1973) enclosed
within a header box and fully insulated with mineral wool.
[2]     A Penberthy Size 1 ejector fitted with steam supply line, suction line and delivery
line, each fitted with a combined isolating and control valve, a temperature measuring
point complete with a type K thermocouple and a pressure measuring point.
[3]     3 pressure gauges scaled 0-16 bar, -1 to 3 bar and 0-4 bar respectively for steam
pressure, ejector suction and ejector delivery.
[4]     A 0-250°C analogue temperature meter and multi-position selection switch for
temperature display.
[5]     Mild steel suction a delivery tanks each with a working capacity of 48 litres and
fitted with a sight gauge, 0-50cm scale, overflow facility and drainage facility with
isolating valves enabling re-circulation to the suction tank and system drainage.
[6]     A water supply line complete with control valve and flowmeter scaled 2-22
litres/min.


P7675 CONDENSER BENCH

[1]      Multi-tube surface condenser with steam body and copper tubes, to be fitted with
a relief valve set to vent to atmosphere at 1 bar and a steam discharge line including an
isolating valve and pressure and temperature measuring points.
[2]      A mild steel fabricated condensate tank fitted with a sight level gauge, a 0-50cm
graduated scale, an overflow pipe and drain line including an isolating valve.
[3]      Steam feed pipework, including an isolating valve, and a steam pressure reducing
valve, complete with a padlock, and fitted with pressure and temperature measuring
points; condenser cooling water supply and drain pipework, with an isolating valve and
flowmeter in the supply line and a control valve in the drain line, both lines being fitted
with temperature measuring points.
[4]      A fully insulated steam header line, to be fitted with a 0-16 bar Bourdon type
pressure gauge and temperature measuring point supplies steam to the feed line.
[5]      A type K thermocouple is to be fitted at each temperature measuring point and
connected to a 0-250°C analogue temperature meter via a 5-position selector switch.
[6]      Condenser steam inlet and outlet pressures to be indicated on separate -1 to 3 bar
Bourdon type pressure gauges.
[7]      Installed on a sturdy frame complete with panels of all-steel construction and
service facilities relating to water supply, blowdown and drainage.
[8]      Enables the unit to be integrated into a steam bench system, to be supplied with an
inter-connecting back panel, student work surface, a set of 4 inter-connecting hoses a
selection of aluminium-clad lagging for steam header.
P7676 STEAM ENGINE BENCH

[1]     Single cylinder, double acting steam engine to be fitted with two cylinder drain
valves, inlet and outlet measuring points complete with type K thermocouples; flexible
steel braided inlet and outlet hoses; lubrication from displacement lubricator.
[2]     Engine vertically mounted on vibration isolators.
[3]     A belt driven dynamometer mounted on adjustable pivoted support bracket and a
water cooled, coiled tube exhaust steam condenser to be fitted with an inlet pressure
measuring point connected to a -1 to 3 bar Bourdon type pressure gauge.
[4]     The condenser cooling water is to be supplied from the water mains line via an
isolating valve and flap type flow indicator, and temperature measuring points complete
with type K thermocouples, is to be fitted in the cooling water outlet and condensate
lines.
[5]     The steam engine is to be supplied with steam from a fully insulated steam header
line via a Vee-reg steam control valve, a 10.3 to 5.5 pressure reducing valve, a pressure
release valve set to vent to atmosphere 6.9 bar, and overspeed trip solenoid valve and
pressure measuring point connected to a 0-16 bar Bourdon type pressure gauge.
[6]     Electrical control circuits to be connected to the clients supply voltage and housed
in a mild steel cubicle which will be surmounted by resistive load elements in a ventilated
enclosure, fitted with a power on/off switch, three engine control push buttons, a rotary
control for varying the load, a meter 0-20 rps (for engine speed) and 0-141.2 rps (for
dynamometer speed), a 0-250°C analogue temperature indicator to be used in conjunction
with a multi-position switch, a 0-60V dc voltmeter and a 0-50A dc ammeter.
[7]     A protective guard is to be fitted over the belt drive and clear perspex protective
cover is to be fitted in front of the engine.
[8]     Installed on a sturdy frame and panels of all steel construction complete with
service facilities relating to water supply, blowdown and drainage.
[9]     The unit to be supplied with an inter-connecting back panel, student work surface
and a set of 4 stainless steel flexible inter-connecting hoses to be integrated into a steam
bench system.

P7677 WATER TREATMENT STUDIES BENCH

[1]      Five interchangeable clear PVC filter columns each of which can be filled with
either filter sand or one of three ion exchange media which are supplied loose.
[2]      Any two columns can be included in a system of UPVC inter-connecting
pipework, including one 2-position and five 3-position selection valves and a pressure
relief valve set at 3.5 bar, and fitted with filter inlet and outlet pressure measuring points
driving corresponding 0-2.5 bar Bourdon type pressure gauges via 3-position selection
valves.
[3]      The raw or untreated water supply system to comprise a portable 25 litre plastic
sample tank fitted with a low level flow switch, a centrifugal feedwater pump driven by a
110V or 240V ac motor, and UPVC inter-connecting pipework including a strainer/drain,
a non-return valve, a pump delivery isolating valve, a pressure reducer valve set at 1 bar,
a flowmeter with a 10-120 litre/hr graduated scale and incorporating a needle valve, a
water service line branch, including an isolating valve.
[4]      A dosing pump with variable delivery control, and driven by a 110V or 240V ac
motor to be supplied to inject chemical additive from a portable 10 litre vessel, with lid,
to the sample tank via flexible plastic tubing.
[5]      Controls, including a function selection switch, two pump control switches and
two indicator lamps to be provided on a control box which also contains fuses for 110V
and 240V ac supplies, pump control circuits and plug connection to the Steam Boiler
Bench electrical control panel.
[6]      Apart from the chemical additive mixing vessel, installed on a sturdy frame and
panels of all steel construction complete with service facilities relating to water supply,
blowdown and drainage.
[7]      Enables the unit to be connected to a Steam Boiler Bench P7670 and be integrated
into a steam bench system it is to be supplied with an inter-connecting back panel, work
surface, a set of 3 stainless steel flexible interconnecting hoses, a length of clear PVC
flexible inter-connecting tube and a length of flexible nylon tubing complete with a
dosing injector assembly.
[8]      Supplied with the unit: a Boiler Test Set Kit in a portable case, a Yes/No Water
Hardness Test Set Kit, three portable 25 litre plastic storage tanks, a 9 litre container of
DM-4 concentrate for the dosing system, two 25 litre bags of IR 120 base exchange resin,
a 50 litre bag of IRC 84 de-alkalisation resin, a 50 litre bag of MB11 mixed bed colour
change resin, a 50 kg bag of filter sand and a 250 ml graduated cylinder.

P7678 STEAM PROCESS PLANT BENCH

[1]      Low pressure steam feed line, including a Vee-Reg isolating valve, a 1 to 3 bar
pressure reducing valve, a pressure release valve set at 3.5 bar and temperature and
pressure measuring points.
[2]      A process fluid circuit constructed from high strength borosilicate glass
components, including a reboiler equipped with a temperature measuring point, a
separator with a rubber filler stopper and outlet baffle plate, a condenser a drain valve,
joint couplings and PTFE joint gaskets.
[3]      Reboiler blowdown pipework to be fitted with a flexible stainless steel braided
hose complete with boiler joint adapter flange and including a Vee-Reg isolating valve,
steam trap and non-return valve.
[4]      Condenser cooling water feed line complete with control valve and pressure
measuring point and cooling water drain line with non-return valve and pressure safety
valve, set to vent at 2.5 bar.
[5]      Fully insulated steam header line, to be fitted with pressure and temperature
measuring points, supplies steam to the steam heating line.
[6]      Instrumentation to comprise: three pressure gauges, 0-16 bar for steam supply, 0-
4 bar for steam to heater and fitted with an overload protection valve and 0-4 bar for
cooling water, with a red 2.5 bar marker line on the scale; a 0-250°C analogue
temperature meter connected via a three position selector switch to type K thermocouples
fitted at the temperature measuring points; a paddle type flow indicator in the process
circuit.
[7]      Installed on a sturdy frame complete with panels of all steel construction and
service facilities relating to water supply, blowdown and drainage.
[8]      Enables the unit to be integrated into a steam bench system, it is to be supplied
with an inter-connecting back panel, student work surface, a set of 4 stainless steel
flexible inter-connecting hoses and a section of aluminium -clad lagging for the flexible
steam header.
[9]      A 400ml glass beaker for process condensate supplied loose.
P7681 NOZZLE RIG BENCH

[1]     Steam chest constructed of mild steel with flanges welded to BS806 (1975) type 6
and branches welded to BS2633 (1973). The chest to include an inlet chamber fitted with
a drain line, a throttling facility with a combined isolating and control valve, a restrictor
assembly and type K thermocouple, a temperature measuring point with type K
thermocouple and a pressure measuring point coupled to a 0-16 bar Bourdon type
pressure gauge.
[2]     Exhaust chamber to be fitted with a type K thermocouple, a pressure measuring
point coupled to a -1 to 15 bar Bourdon type pressure gauge and a exhaust line connected
via a combined isolating and control valve to a water cooled surface condenser with a
capacity of 31 kg/hr and a pressure release valve set at 1 bar.
[3]     Traversing nozzle pressure measuring assembly including a stainless steel
measuring probe, a Budenburg -1 to 12 bar calibrated pressure test gauge and a distance
indicator with a replica nozzle profile and a -10 to 85mm graduated scale.
[4]     Inlet/exhaust chambers to be designed for a working pressure of 10.34 bar and a
maximum steam temperature of 235°C and the steam chest is to be fully insulated with
100mm thick fibre glass.
[5]     Steam supply to the inlet chamber to be from a fully insulated steam header unit
via a branch incorporating a combined isolating and control valve, a pressure measuring
point coupled to a 0-16 bar Bourdon type pressure gauge and a steam separator with a
drain line including a steam trap and non-return valve.
[6]     The type K thermocouples to be connected to a 0-250°C analogue temperature
indicator via a multi-point selection switch.

P7683 DOUBLE EFFECT EVAPORATOR BENCH

[1]     Determines the performance of a double effect evaporator.
[2]     Compares the relative efficiencies of a single and double effect evaporator.
[3]     Comprises two evaporator vessels with copper tubed steam coils, together with
interconnecting pipework and isolating valves.
[4]     Shelled tube heat exchanger to sub cool the condensate discharge from the steam
trap on each evaporator vessel.
[5]     Fully insulated steam header line, to be fitted with a 0-16 bar Bourdon type
pressure gauge and temperature measuring point supplies steam to the feed line.
[6]     Type K thermocouple to be fitted at each temperature measuring point and
connected to a 0-250ºC analogue temperature meter via a 7-position selector switch.
[7]     Steam inlet and vapour pressures to be indicated on separate Bourdon type
pressure gauges.
[8]     Installed on sturdy frame complete with panels of all-steel construction and
service facilities relating to water supply, blowdown and drainage.
[9]     Enables the unit to be integrated into a steam bench system, it is to be supplied
with an interconnecting back panel, student work surface, a set of 4 stainless steel flexible
interconnecting hoses and a section of aluminium-clad lagging for the flexible steam
header.


P7682 PIPE CLOSURE UNIT

[1]    Complete assembly of pipework, comprising connections, valves and steam trap
to enable the steam header to be discharged of condensate into the blowdown line.
P8385 COMBUSTION AND FLUE GAS EMISSIONS ANALYSER

[1]     Portable unit designed to allow the measurement of following parameters in boiler
and superheater flues.
[2]     Measurement of gas temperature at inlet and in stack for improved accuracy and
calculation of nett temperature.
[3]     Measurement of over 70 pre-programmed fuel types.
[4]     Measurement of excess air to assess heat loss.
[5]     Measurement of O2,CO, CO2 and efficiency.
[6]     Unit comprises of a carrying case which houses the various sensors, a heavy duty
water trap, particulate and sulphur filters, an integral printer , gas and pressure connectors
and a rechargeable battery and battery charger.
[7]     A strong lid is supplied to provide maximum protection to the printer etc. and
allows operation when the lid is closed.
[8]     Provision is made within the case for the remote hand set, which features a 4 line
backlit display for use in badly lit areas, instrument display showing date, time, battery
life and sensor status together with 1.5 and 10m extension leads and a flue gas probe, plus
2 printer rolls.
[9]     Maximum probe temperature + 600°C


P7665 BOILER CONTROL DEMONSTRATION UNIT

[1]     Clear acrylic tank representing the boiler drum containing level sensors and
indicator, glass reinforced plastic feedwater tank, feedwater pump and interconnecting
pipework.
[2]     Control console with mimic diagram of the unit incorporating light emitting
diodes to indicate system conditions and voltage test points for fault diagnosis.
[3]     Small recessed compartment (fitted with lockable door), containing switches to
simulate upto 13 individual faults when the demonstration unit is used for fault diagnosis
training.
[4]     To be mounted on a mobile steel frame.


P7667 DATA ACQUISITION SOFTWARE, INTERFACE PCB & PC


P2295 SECTIONED STEAM TRAP

P2296 SECTIONED STEAM SEPARATOR

P2297 SECTIONED STEAM EJECTOR

P2298 SECTIONED PRESSURE RELIEF VALVE (STEAM)

P2299 SECTIONED CONDENSER

P2300 SECTIONED STEAM ENGINE

P2301 SECTIONED STEAM INJECTOR

								
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