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No powder, no granule and no fibre will show exactly the same behaviour.
The Gericke product range of feeders responds to the diverse characteristics of bulk materials and meets the requirements of the operation circumstances.
The offer include volumtric and b>gravimetric loss-in-weight feeders, batch feeders and vibration feeders.
The controller EasydosTM as "state of the art“ control of loss-in-weight feeders communicates via bus system. Due to its simple operation handling it fits for controlling of continuous mixing processes as well as for feeding of extruders.
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Advantages of Gericke Volumetric Screw Feeders
+ High dosing accuracy
+ dosing pipe and spiral/screw fast against other size/sizes of exchangeably
+ simple cleaning
+ durable design and nearly unlimited life span
+ complete from stainless material manufactured (except drive unit)
+ extended dosing set up to several meters of length possible
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Compact line of loss-in-weigh feeders for materials with varying bulk density: The digital load cell integrated is protected against corrosion by stainless steel housing and is equipped with vertical overload stops.
Two different application programs are proposed for batch or continuous dosing.
To reach a better dosing accuracy, the feeder is design in such a way that only ingredient hopper and extractors are weighed (It is possible to select a load cell with smaller range of measure and consequently smaller interval).
The feeder is controlled with a multitasking operating system combining the functions of an operator interface, weighing controller, PLC and interfaces.
Design of these feeders is made in agreement with drug and food industries requests for cleaning.
For more details see pdf data sheet
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The unique MCPI’s Multi Channel Feeder, is probably the best solution on the market, to give a simultaneous, quick and accurate dosing of ingredient on multiple application points, with sprinkling effect.
These feeders are controlled with motor rpm and outlet section of extractor. MCPI’s “Short-cut system” is mechatronic solutions which ensure a perfect control of the extractor movement with repeatability below 3/100 sec, to ensure quick and accurate feeding.
This range of machines is an efficient cost effective solution for high cadencies productions (dosing time from 0.2 sec, up to 60 dosing cycles / min). The feeder can be fit on “C” shape mobile truck, to facilitate cleaning operations.
Design of these feeders is made in agreement with drug and food industries requests for cleaning.
For more detail, see enclosed PDF data sheet
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In gravimetric feeding, dry bulk material or liquid is fed into a process at a constant weight per unit of time since weight is a variable that can be captured by a weighing module. Consistent control and complete monitoring are possible. In principle, gravimetric feeding combines monitoring of the feeding process with a feedback loop that enables accurate material control.
Typical application:
Precise feeding and blending of materials is a critical part of the process when manufacturing reinforced thermoplastics. Typical applications require the blending of several granular materials with one or two powder materials within a compact area at the throat of an extruder. Maintaining a steady and precise level of blended material above the throat of the extruder is also a requirement.
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- feed rates: 0.2 – 32,000 dm³/h
- feeders with external agitation system (Coni-Flex) and vertical agitator (Coni-Steel) in one series
- MechaTronik design (electronics and mechanics form one unit)
- cleaning + service from the non-process side
- adaptive control electronics (DISOCONT)
- single and double screws, spirals, and vibro feeders available
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In principle, volumetric feeding is the simplest, most economical feeding solution available. Bulk material is held in a hopper and constantly fed into a process per unit of time. A gravimetric feed rate may be inferred through a calibration process where a timed sample is taken and weighed, and screw speed adjusted accordingly. Although there is no weight feedback to assure feeding accuracy over time, this may not be a concern for materials with consistent bulk density.
K-Tron offers three choices in volumetric feeders: the highly accurate bulk solids pump (BSP), single screw feeders and twin screw feeders. K-Tron volumetric feeders come in a wide variety of of sizes and configurations to meet your application requirements.
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Dosima R
Anger feeders with servo motor assure highest dosing precision and performance combined with minimal maintenance.
In combination with a dynamic checkweigher and an automatic volume adjustment, via feed back control, excelent precision and minimum give away can be achieved.
DOSIMA C
Anger feeders assure highest dosing precision and performance combined with minimal maintenance.
In combination with a dynamic checkweigher and an automatic volume adjustment, via feed back control, excelent precision and minimum give away can be achieved.
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MULTIDOS weighfeeders are complete weighing systems with extensive variants to adapt to different feed rates, bulk solids properties, and application-specific marginal conditions.
- feed rates: up to approx. 1000 t/h
- main fields of use:cement, steel, and minerals industries
- for granular bulk solids (clinker, gypsum, lump coal)
- for powdery and mealy bulk solids (raw meal, fly ash, filter dust)
- for difficult to handle/sticky bulk solids (clay, marl, gypsum from flue gas desulfurization)
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A complete range of gravimetric blenders
The Piovan MDW Series batch gravimetric blenders are ideally suited for application on injection moulding machines, blow moulding machines and extruders. Slide gates, high precision augers and micro-cell devices ensure that the various components are dosed in the set percentages.
The range consists of six models with capacities from 30 to 1500 kg/h. They can dose, weigh and blend up to six materials.
Customer oriented solutions.
Precision and accuracy:
- the load cell weighing system has an accuracy of 1/100th of a gram
- the display shows the percentage dosed for each material
- The microprocessor control continuously corrects the actual weight of each component keeping it at the set value.
Easy monitoring and control:
The Win Dosing System is the software that Piovan has specifically developed to control and manage the Piovan MDW Series gravimetric blenders. Win Dosing is a simple and powerful tool which can manage up to 16 gravimetric blenders from the one PC station.
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Loss in weight feeders are used for the gravimetric dosage of bulk solids (powders, pellets, flakes,..) or liquids, with flow rate range between 1 and 30.000 kg/h allowing to reach high accuracy.
These feeders are applied for continuous blending or for feeding extruders or other process machinery.
Dosing equipment mainly consist of:
- Buffer hopper (that could be provided with antibridge swift) made of stainless steel
- Dosing device (screw conveyor, vibrating chute, gear pump) with continuously adjustable speed.
- Scale with load cells and signal amplifier
- Control system (PLC) that could drive until 15 feeders simultaneously.
GSBI developed a control system that allow the feeders control by means of PLC available in the market (Allen Bradley) avoiding the requirement of dedicated electronic cards or microprocessors, granting the following advantages:
- Reliability, performance and spare parts are the same of the used commercial PLC.
- It is possible to include the management of loss in weight feeders in the PLC that control the raw material storage and conveying plant.
- Simple communication with supervision systems by means of most common standards.
Operator interface is a PC that allows a clear and friendly monitoring of the plant and a very simple process data management.
Also available in compliance with ATEX Directives - Category 3D.
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L-FEEDER
The L-feeder is an innovative loss-in-weight type constant feed weigher, which is based on Yamato's own loadcell technology, optimal control, self-diagnostic function, remote maintenance system and power handling technology. L-feeder serves manufacturing process of chemical products for it industry.
Purpose
The l-feeder will increase productivity in large item small volume production such as continuous blending and extruder line etc, assure quality control, and minimize material giveaways and maintenance cost.
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The Technology
Feeding of low to high viscosity liquids
Dosing pump tyes depending on
liquid characteristics:
Piston and diaphragm pumps
Gear pumps
etc.
Heated Designs
Electrical heating
Hot water heating
Hot oil heating
etc.
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Ramsey Loss-in-Weight Feeders from Thermo Electron Corporation maintain quality and weighing accuracy, reduce material waste and improve blend consistency for increased profits. They accurately control the flow of powders, pellets, flakes or granules to critical processes. They handle hot, floodable and difficult material and are unaffected by dust and material accumulation.These feeders can increase your profits by maintaining quality and weighing accuracy, reducing material waste, and improving blend consistency.
Product Detail
The accurate feeding of dry bulk material is often critical to maintaining product quality. A feeder that weighs accurately and reliably can reduce material waste, improve blend consistency and increase profits.
Ramsey Loss-In-Weight Continuous or Batch Feeding Systems from Thermo measure the mass flow rate and total mass of various bulk materials, such as powders, pellets, flakes and granules. We incorporate the standard, low capacity and sanitary versions of our volumetric feeders into a complete gravimetric feeding system, providing accuracies of ±0.25% to 1.00% and more reliable process control over typical volumetric feeding systems.
There are many advantages to utilizing loss-in-weight feeders. They can handle hot, floodable and difficult materials; are unaffected by dust and material accumulation; and are well suited for low feed rate applications. The entire feeding system is weighed, so there are no errors caused by belt tensioning or tracking. No transportation lag time exists, ensuring precision second-to-second accuracy. Feed accuracy can always be checked during normal operation without the need for sampling.
The Ramsey Micro-Tech 2104 Loss-In-Weight Feeder Controller is specifically designed for continuous or batch loss-in-weight or gain-in-weight applications. It's easy to operate and calibrate with the aid of large easy-to-read displays; straightforward, tactile-touch keyboards; and software that prompts you through proper set-up and operational procedures. A single Ramsey Micro-Tech 2104 is capable of operating two independent loss-in-weight systems, which ultimately contributes to cost savings. A UL-approved version is also available.
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Ramsey Loss-In-Weight and Volumetric Feeders accurately control the flow of powders, pellets, flakes or granules to critical processes. They handle hot, floodable and difficult material and are unaffected by dust and material accumulation. These feeders can increase your profits by maintaining quality and weighing accuracy, reducing material waste, and improving blend consistency.
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Volumetric Feeder
VF-2000 Series
Heavy-duty belt system designed to feed the FFS Series and PTS-1000 Series automatic baggers with hard-to-handle products. Can also be used as a stand-alone system for manual bagging. Capacities up to 35 BPM.
Applications
Bark, compost, mulch, peat moss, soils, wood shavings, etc.
VF-5000 Series
Heavy-duty belt system designed to feed the FFS-200 automatic form-fill-seal bagger with aggregate products. Can also be used as a stand-alone system for manual bagging. Equipped with abrasion-resistant components and vibrating unit. Capacities up to 30 BPM.
Applications
Lava rock, marble chips, pea gravel, sand, stone, etc.
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The feeders with vibrating channel mod. V are particularly suitable to treat fragile materials or materials which can not be treated with mechanical devices which could compromise their integrity. They are suitable for granular materials, pellets or short fibres, but can also be utilised with fluid powders with a low humidity grade. The dosing device is made of a steel channel which is installed on a electromagnetic vibrator with glass fibres springs and its dimensions depends on the materials to dose and the feed rates to make.
The gravimetric version has the machine installed on a weighing plate with loading cell or directly on a couple of loading cells through a proper support framework. Many different weighing devices are at disposal to satisfy every needs both for the dosing in continuous and for the batch one.
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Syntron® Volumetric Feeder Machines
Simple design and flexible control account for the efficient, economical performance of Syntron Volumetric Feeder Machines, and the growing industrial preference for them. These units can feed most dry bulk materials and can be supplied to conform to FDA and USDA specifications. Six Syntron Volumetric Feeder Machine models are available.
Syntron Volumetric Feeder Machine designs include four basic components: a supply hopper, a hopper vibrator, a vibrating feeder and the supporting frame. Because of their simple design, Syntron Volumetric Feeder Machines are dependable and have an exceptionally long service life. There are no moving parts such as motors, belts, gears, valves, connecting arms or sliding rods to wear or lubricate.
Syntron Volumetric Feeder Machines are supplied with electric controls that can be mounted separately at any desired location. Standard controls contain operating switches, rectifiers and rheostats.
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The Technology
Stainless steel hopper
Multifunctional agitator
Separate screw and agitator
motors (3-phase current)
The Advantages
Ingredient homogenization
Uniform screw filling level
Models
Stand-alone volumetric units
Fully digital loss-in-weight feeders
Feed rates up to 7.5 m³/hr
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DPM 0
MICRODOSERS
DPM 0 is a precision microdoser based on a cave rotor and a pulse feeding. It is able to dose masterbatch or additives up to 0,1 grams. DPM can be installed as a normal dosing unit and features a remote control system, as standard.
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Milltronics weighfeeders from Siemens can improve the accuracy of processing, blend consistencies, accountability, and record keeping. All weighfeeders come standard with a belt weigh bridge and speed sensor. An integrator is required to complete the system.
The weighfeeder is used to deliver an accurate mass flow rate of material. In the majority of applications, material is profiled by an adjustable mechanical shear gate, which fixes the correct material bed depth for a given particle size.
The feed rate is then maintained and adjusted by varying the speed of the belt. However, in some cases the belt speed is constant with rate control (if any) done by a pre-feeding device.
The system consists of three components: weight and speed sensing, integration and control, and the mechanical conveying system.
Using the belt load and the belt speed signals, small incremental totals of weight per time are measured by the integrator and then the flow rate is calculated. The measured flowrate is compared against the desired flowrate and the on-board PID controller makes necessary corrections to the belt speed.
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These machines are suitable to dose in continuous powder, granular and fibre materials. They are particularly suitable for fluid materials and can reach feed rates up to several tons per hour.
As belt feeders can be installed directly under a silo or pre-storage hoppers, while as weighing belts can be re-filled in continuous from other extractor machines such as screws, stellar valves other belts. These machines are equipped with a weighing bridge with loading cells and they can be also equipped with different control devices suitable to satisfy the most various dosing and weighing needs, both in continuous and batch.
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Sandvik RBF-series belt feeders can be assembled in various ways to match the application exactly due to their modular structure . Available with ten belt widths from 650-2400 mm and in lengths from 1.5-15 m, they are designed for applications with capacities up to 2600 m3/h. The RBF-series belt feeders suit for materials that have at least moderate internal cutting properties such as coal, lime, Fe-pellets, metal concentrates and different rocky materials.
Sandvik RBF-series belt feeders have wide and adjustable capacity range while they are reliable, silent, steady and have low raise of dust. Due to the adjustable and controllable output the RBF-series belt feeder can be used in applications where accurate feeding is needed.
Sandvik RBF-series belt feeders are easy to assemble, install and operate. With a wide range of standard modules and components they can be tailored exactly to meet the application requirements. At the same time, they are versatile, easy to adapt and easy to service.
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Thermo Electron Corporation's Ramsey weighbelt feeders are designed for demanding industrial applications and provide accurate monitoring and control.
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COMPO: Multi-ingredient continuous gravimetric feeder.
REGULAR AND ACCURATE METERING
Designed for metering of granules in extrusion processes that require regular and accurate metering.
EASY TO INSTALL
Insensitive to vibrations, COMPO has been designed so that it can easily be installed directly on the feed hatch of the extruder in place of the conventional load hopper.
FAST INGREDIENT CHANGE, FAST AND THOROUGH CLEANING
- Practical and easy access to all the components.
- Load hoppers with sight glass to visually check the level and quick-release clip to easily remove the cover.
- Manual gate valve which allows inspecting the metering screw without having to empty the hopper.
- Unloading hatch for fast and easy emptying of the hopper.
- Metering screws easily accessible without the use of tools for fast and thorough cleaning.
EASE OF USE
Easy to use , just set the metering percentage.
MODELS
COMPO is available in 9 models: 2,3 or 4 ingredients with throughputs up to 150, 300, 600 and 1000 kg/h.
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The essential tool for dosing in safety!
The anti-bridging doser is weighed and assisted by an electronic regulation system that provides a dosing accuracy between 0.25 and 0.5% thanks to the loss weight control.
It works either continuously or by load, depending on the process. The regulation system, at the leading edge of the computer technology and electronics, enables the user to control one or several dosers.
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Advanced Industrial Design, Inc Custom Design Gain In Weight System
This system was created with existing equipment and new to produce a gain in weight, pre measured powder box filling line. Electrical controls and load cells were fashioned by aid-inc.com to allow push button start and auto fill of various size boxes.
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The anti-bridging system carries out by itself the perfect filling function of the dosing screw, as well as the anti-bridging in the tank.
Some quickly dismantling solutions have been specially studied in order to aid the cleaning of the unit.
The materials have been selected according to the characteristics of the products to be dosed.
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