BATCHING AND CONTINUOUS MIXING UNITS
Along with the flexible conveyor these units make up an autonomous system for batching, continuous mixing and completely automatic conveyance managing flow rates of up to 10,000 kg/h. Solutions with higher flow rates can be studied and supplied.
GIMAT batching hoppers meet the requirements of containment, batching, mixing and conveying in the following way:
- Containment: for two or three materials, whether they are powders, granules or ground materials, and storage volumes according to each individual need.
It is possible to start with storage, even directly from the bulk bag.
- Batching: with two or three injectors whose rotating spirals are moved by mechanical
variable-speed motors or gearmotors with power ventilated motors piloted by an inverter
- Mixing and conveying: with flexible screw conveyors that pick up the already batched products and mix them during conveyance from pick up to unloading
In cases where it is necessary to have a particularly accurate mix between the multi-ingredient batching unit and the conveying system, a continuous mixing unit is placed in the middle; this unit is commonly called “paddle mixer”.
The unit is made up of a series of adjustable rotating paddles and appropriately configured to enable it to mix the products, previously dosed at the loading mouth, during horizontal conveying towards the flexible conveyor which serves as an elevator.
The pre-mixed product in the paddle mixer will be further homogenized during conveying to its destination inside the spiral conveyor, thereby avoiding the demixing process typical of pneumatic conveying systems; moreover this system improves the quality of the mixture compared to the configuration having only one mixing unit with rotating paddles.
Upon request the system can be designed and built in conformity to ATEX Directive 94/9/CE
for Zone 22 and Zone 21
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