Vacuum feeder is a vacuum conveyor using an electric vacuum pump as a vacuum source, using the vacuum feeder can directly feed the material from the container into the mixer, reactor, hopper, tablet press, packaging machine, vibrating screen, granulator, wet granulator, dry granulator and crusher. The machine reduces the labor intensity of workers, reduces dust pollution, and ensures that the production meets the requirements of "GMP".
The vacuum charging machine uses a vortex air pump to pump air, so that the inlet of the suction nozzle and the whole system are in a certain negative pressure state, and the powder particles are sucked into the nozzle with the outside air to form a material airflow, which reaches the hopper through the suction tube, and the gas and material are separated in the hopper. The separated material enters the receiving equipment. Feeding - Feeding is accomplished by constantly opening and closing the pneumatic reversing valve, and the opening and closing of the pneumatic reversing valve is controlled by the control center.
The vacuum feeder is equipped with a compressed air blowback device. Every time the material is discharged, the compressed air pulse blowback filter will knock down the powder adsorbed on the surface of the filter to ensure the normal operation of the suction material.
In the vacuum feeder for level control, the material in the hopper of the receiving equipment is automatically fed through the level meter. When the hopper of the receiving equipment is higher than a certain position, the vacuum feeder stops acting and enters the standby state; When the material level is lower than a certain position, the vacuum feeder automatically starts to complete the feeding of the receiving equipment.
Advantages:
1. Smooth modular design: Modular design not only makes installation and maintenance more simple, disassembly and washing more convenient, eliminate the existence of dead corners. When cleaning, the equipment modules are designed through the clamp, so that the conveyor can be easily disassembled and installed. The equipment has no gaps and dead angles that can easily cause material accumulation.
2. Fluidization or vibration device: The fluidization device is to produce a layer of gas model between the material and the inner wall of the conveyor bin, through which the gas film can effectively help the flow of the material with poor fluidity, not only to prevent the material from bridging, but also to improve the discharge efficiency. The fluidized material is sintered polyethylene, which meets the FAD requirement.
3. Blowback system: built-in one-to-one blowback air bag, pulsed gas blowback, each cycle can efficiently clean the filter, making the equipment performance more stable.
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