Rospen Industries’ range of continuous weighing equipment for the grain and feed milling sector

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Rospen Industries’ range of continuous weighing equipment for the grain and feed milling sector Powered By Docstoc
					Digital Re-print - January| February 2011
 The impact of feed enzymes on diet digestibility
            and animal profitability

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     FEATURE                                                                                                                                                                                                                                                                            FEATURE

                                                                                                                                                       Enclosed screw weigher                               • Low maintenance
                                                                                                                                                           Rospen’s enclosed screw weigher has              • Small installation
                                                                                                                                                       been designed to meter and weigh dusty,                space required
                                                                                                                                                       aggressive or toxic powders to continuous
                                                                                                                                                       accuracies of ±0.5 percent at rates of up to        Solo flow meter
                                                                                                                                                       55 tonnes per hour. It will also provide a fail-        The SOLO range
                                                                                                                                                       safe positive indication of material flow-rate      of impact plate flowm-
                                                                                                                                                       change, change in density or moisture level,        eters has been designed
                                                                                                                                                       or change in material characteristics.              to provide the optimum
                                                                                                                                                           The output signal from the weight con-          cost-effective solution
                                                                                                                                                       troller can also be used to initiate an error       for measurement and
                                                                                                                                                       alarm, indicate flow rate, totalise flow or con-    display of flow through
                                                                                                                                                       trol the output of other metering devices in        a process to accuracies
                                                                                                                                                       ratio. By this method, the outputs of several       of +- 1 percent.
                                                                                                                                                       product metering feeders or liquids pumps               Flow rates from 100
                                                                                                                                                       can be ‘ratioed’ together and held to close         kg/hr to 250 tonnes/
                                                                                                                                                       tolerances.                                         hr can be measured via
                                                                                                                                                           The machine consists of a screw type            open or closed designs.
                                                                                                                                                       pre-feeder which pre-conditions and                 The SOLO is available
                                                                                                                                                       meters the product by volume into a                 in a choice of stainless
                                                                                                                                                       short weigh screw, which is turning at a            or mild steel enclosures
                                                                                                                                                       variable speed, through which the product           and alternate impact
                                                                                                                                                       is conveyed.                                        plate coatings suitable
                                                                                                                                                           The weigh screw is supported on weight          for a wide variety of
                                                                                                                                                       transducers.                                        applications.
                                                                                                                                                                                                               Free flowing mate-
                                                                                                                                                       Special features                                    rial is directed onto the
                                                                                                                                                        • Continuous, uninterrupted weighing               impact plate and then onto the process. The     signal and is continuously displayed as kg
                                                                                                                                                          accurate to ±0.5 percent                         impact force is measured in the horizontal      per hour.

       Rospen Industries’ range of
                                                                                                                                                        • Totally enclosed giving dust tight control       plane only, thus static material build-up has
                                                                                                                                                        • Insensitive to shock or vibration                no effect and there is no zero drift. The       Special features
                                                                                                                                                        • Easy to strip and maintain                       horizontal force measurement is converted        • Feed rates of 50 to 200000 kg/hr -

     continuous weighing equipment
                                                                                                                                                        • Instant response without process lag             electronically to a proportional flow rate         accurate to better than +- 1 percent

      for the grain and feed milling
                  sector                                                                                                                                               more than 100 years a reliable partner
                                                                                                                                                                          Feed mills               Silos

        ospen Industries, being the              Weigh belt                                          and the resultant correction signal is used                          Flourmills               Bulk handling systems
        UK’s leading supplier of high               The Rospen weigh belt range encompass-           to speed up or slow down a product
                                                                                                                                                                          Pet Food plants          Electric control &
        precision weighing and metering          es three model ranges of weigh belts that           pre-feeder to bring the weight of product
                                                                                                                                                                          Aqua feed mills          Automation systems
systems for powders, granules and                have been designed to meet varying needs.           on the belt back to the pre-set rate.
liquids, have developed a full range of             The principle of operation is slightly differ-   This method has the advantage that the                               Premix & concentrate
continuous weighing systems, answering           ent on the three models:                            product is positively fed onto the belt                              plants
to customer requirements in the                                                                      thus avoiding bridging or rat-holing in the
                                                                                                                                                                          Cereal Processing
grain and feed milling sector.                   Enclosed weigh belt                                 hopper.
                                                    This consists of a short variable speed
    The company has been working with            belt, a section of which is supported by a          Special features                                                     Oil seed processing
customers in the industry for many years and     load cell mounted weight bar. The product is         • Feed rated of 1 to 50,000 kg/hr.
this has led to the development of a range       fed onto the belt by gravity via a chute from          Accurate to better than +- 0.25 percent    WWW.OTTEVANGER.COM
of equipment, which encompasses products         a storage hopper. The resulting signal from          • Continuous uninterrupted weighing
of specific relevance to companies operating     the weighed section of belt is directly pro-           accurate to +- 0.5 percent                                     Aalten - Holland           Moerkapelle - Holland
in the sector.                                   portional to the weight of product passing           • Automatic tare and ranging                                     T +31 (0)543 47 26 88      T +31 (0)79 593 52 97
    These products provide basic, in-line con-   over the belt and this is transmitted to the         • Three models:                                                  F +31 (0)543 47 54 75      F +31 (0)79 593 11 47
tinuous weighing capabilities at an effective    LBC2000 microprocessor controller.                        - Totally enclosed: giving dust tight                       E    E
price point for grain and feed customers. As                                                                 control of toxic or hazardous
more customers in this sector become highly      Open type and miniature weigh                               materials
automised, their production lines increasingly   belts                                                     - Open type: giving visual inspection
demand continuous weighing as a prereq-              These consist of a weigh frame and a                    on process lines
uisite.                                          fixed-speed belt, which is totally weighed.          - Miniature: 50 mm wide with range as
    Rospen’s continuous weighing range can       The weight of the unit is tared to zero,               low as 10 to 800g/min:
both measure and control the throughput          such that only the product passing over              • Easy strip feature
of material, with accuracy and reliability       the belt is weighed. The product weight              • Instant response with no process lag
built in.                                        signal is measured by the microprocessor             • Small installation space required          CRAFTMANSHIP IN THE ANIMAL FEED AND FOOD PROCESSING INDUSTRY

24 | January - february 2011                                                                                  Grain &feed millinG technoloGy           Grain &feed millinG technoloGy                                                                                       January - february 2011 | 25

                                                                                                      This cycle is repeated at frequent
                                                                                                  and regular intervals, transferring product
                                                                                                  from the hopper into the process in a
                                                                                                  pulse-like action. Flow rate is calculated by
                                                                                                  monitoring the gain in weight inside the
                                                                                                  hopper each time the valve is closed in
                                                                                                  relation to time. An approximated rate of
                                                                                                  flow through the process while the valve
                                                                                                  is open is automatically calculated by the
                                                                                                  LBC1000 controller, which then displays
                                                                                                  overall flow rate in kilograms per hour/or
                                                                                                  kilograms total.

                                                                                                  Special features
                                                                                                   • Simple to integrate in vertical process
                                                                                                   • High accuracy due to discreet
                                                                                                   • Continuous and intermittent operation
                                                                                                   • 100 to 20000 kg/hour

                                                                                                  Vibo flow meter
                                                                                                      The new VIBO flow meter range offers
                                                                                                  an alternative method of continuous proc-
                                                                                                  ess weighing which is ideal for applications
                                                                                                  where hygiene or ease of cleaning is impor-
                                                                                                      VIBO measures the flow of any powder
                                                                                                  or bulk products as it passes along a stainless
                                                                                                  steel vibratory tray conveyor and is a use-
                                                                                                  ful alternative to continuous weigh belt or
                                                                                                  screw systems.
                                                                                                      The system comprises an electro or
                                                                                                  mechanically driven vibratory tray conveyor
                                                                                                  mounted onto a Rospen Boss-Mount weigh-
                                                                                                      Since there are no moving or wearing
                                                                                                  parts maintenance is kept to a minimum.
                                                                                                      In operation the weight of the conveyor
                                                                                                  is tared off, thus enabling the weight of the
                                                                                                  product in the tray conveyor to be continu-
                                                                                                  ously and precisely measured. The system
                                                                                                  is controlled by a Rospen controller, which
                                                                                                  displays the conveying rate as kilograms per
                                                                                                  hour and total output in kilograms as well
                                                                                                  as providing high and low flow rate alarm
                                                                                                      Because the controller has a closed loop
                                                                                                  control facility, it is possible to maintain
                                                                                                  a constant weight of product in the tray
                                                                                                  conveyor by modulating delivery from the
                                                                                                  pre-feeder, thus VIBO can be used both as
                                                                                                  an uncontrolled flowmeter and as a constant
                                                                                                  weight feeder.

 •   Dust tight enclosure                         Designed for dimensional compactness,           Special features
 •   No moving parts                          PULSO is ideal for applications where space          • Feed rates of 50 to 50,000 hg/hr -
 •   Easily installed                         is at a premium. Its simplicity of installation        accurate to better than +- 1 percent
 •   Low cost                                 makes its similarly convenient for retrofit          • Mechanically simple and robust
 •   Low maintenance                          applications where enhanced monitoring               • Easy to clean and maintain
 •   Rugged design                            facilities are required.
                                                  PULSO is a gravity fed batch weigh hop-
Pulso flow meter                              per mounted on a weighframe and fitted
                                                                                                        If you operate in the grain or feed
   A simple and precise, yet low cost solu-   with a pneumatically operated discharge
                                                                                                    milling sector and wish discuss any of
tion for calculating time based consumption   valve controlled by a Rospen LBC1000
                                                                                                    your handling or process issues with
of material through a continuous process,     controller.
                                                                                                    Rospen Industries, please call them on
the new PULSO flowmeter from Rospen               As material flows into the hopper the
                                                                                                    +44 161 304 5700, or visit website
Industries can be used to measure flow rate   weight rises. At a predetermined value the con-
of powder, granules and even piece parts      troller triggers the pneumatically operated valve
under free flow.                              to release the material collected in the hopper.

26 | January - february 2011                                                                                Grain &feed millinG technoloGy
                                                                                                                                                     Innovative extrusion processes without limits. Buhler is the global technology
                                                                                                                                                     partner for companies producing breakfast cereals, snack foods, or food ingre-
                                                                                                                                                     dients on a commercial scale. With its extensive extrusion know-how and its
                                                                                                                                                     passion for customized solutions, Buhler is always in a position to generate
                                                                                                                                                     added value and success for any product idea. Buhler offers an integral range
                                                                                                                                                     of products and services for all process stages – from correct raw material
                                                                                                                                                     handling, cooking and shaping through extrusion to drying of the extruded
                                                                                                                                                     products. And this for all market segments – from breakfast cereals and snack
                                                                                                                                                     foods to modified flours and starches, texturised proteins, or vitaminised rice.
                                                                                                                                                     In short: extrusion processes without limits.
                                                                                                                                                     Bühler AG, Pasta & Extruded Products, CH-9240 Uzwil, Switzerland, T +41 71 955 11 11, F +41 71 955 35 82
                                  Jiangsu Hualiang Machinery Co., Ltd
                                     We manufacture a comprehensive range of quality machinery suitable for
                                      all areas of the Grain, Feed and Milling industries.
                                     Main products and service:
                                      1. Indented Cylinder Separator, Length Grader, Thickness Grader, De-stoner,
                                         Vibrating Cleaning Screen, Magnet Separator
Indented                              2. All kinds of conveying equipments, such as en-mass Conveyor, Belt Conveyor,         Conveyor
Cylinder Separator                       Chain Conveyor, Bucket Elevator, Screw Conveyor etc
                                      3. Manufacture and installment of stainless steel nonstandard equipment

                                      Tel:+86-515-85315666 • Mob: +8613905110028 • Fax: +86-515-85314485 •
                                      12 Weiyi Rd, Economy Development District Dongtai, Jiangsu Prov., China, 224200

Rice Selecting Grader
(Length Grader)
 Jiangsu_Hualiang_190x58.indd 1                                                                                                   07/12/2010 10:28

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 January	                   2011
                                                                                                    •	 See	the	full	issue
                        •    The impact of feed
                             enzymes on diet
                             digestibility and
                             animal profitability
                                                                                                    •	   Visit	the	GFMT	website
                                                                         In this issue:

                                                                                                    •	   Contact	the	GFMT	Team
                        •    Rospen                                        •            How to
                             Industries’ range                                       select the
                             of continuous                                               proper
                             weighing                                              plastic resin
                             equipment                                            replacement
                        •    Going the

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                             - Training the Milling                                husk as the
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Description: Rospen Industries, being the UK’s leading supplier of high precision weighing and metering systems for powders, granules and liquids, have developed a full range of continuous weighing systems, answering to customer requirements in the grain and feed milling sector.