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Working Principle of Powder Metering and Weighing Batching System

2019-07-06
Times

Powder weighing and batching system is used for weighing multi-component products. Instead of manual weighing, the labor intensity is reduced and the output power is increased. Weighing metering and batching system: powder storage tank weighing metering tank screw feeder control system and other major components.

Principle of weighing, metering and batching system: Selection of high precision weighing sensor

System advantages:

1. Advanced principle and high precision. Generally, digital sensors are selected, and the accuracy can reach one millionth.

2. Powder conveying system has high linearity and high resolution.

3. High degree of automation of equipment. Siemens PLC control, chain system and other control systems are used to meet the requirements of automated production.

4. High feeding accuracy of vacuum metering system. Because of the use of advanced feeder and advanced control system, the whole system can achieve high accuracy. Generally, the accuracy can reach 0.5-1%. In special fields such as laboratory, the accuracy of 0.I-0.5% can be achieved by using the experimental feeder. Stability can reach 2 SEGMA.

5. Simple operation. Generally, this kind of system has advanced monitoring system and controller, which is more complex in the debugging stage. But after debugging, all the parameters are set properly, the operators only do simple operations such as calling parameters and setting output.

6. Maintainability. Because using advanced control system, it is easy to diagnose system fault, and can shorten the time of troubleshooting.

7. Powerful function. Using advanced monitoring system, we can complete messy prescription processing, order processing, history processing, system operation optimization, automatic start-stop processing, chain processing, remote diagnosis, detection and control.

8. The investment structure is reasonable. One-time investment is higher, because the progress of automation level can save the labor cost of operation, prevent the instability of product quality caused by human factors, and prevent duplicate investment.

 

What are the components of the powder conveying system?

Powder conveying system is composed of automatic unloading/feeding equipment/conveying equipment vacuum feeder storage equipment storage tank feeding equipment screw feeder weighing sensor weighing instrument.

The feeding equipment of unloading equipment is the first step of adding material. The key point is to achieve dust-free treatment or the addition of dust removal technology. Transportation equipment is the processing equipment which destroys the sieving mixing and other processing equipment. Vacuum feeder is a kind of airtight pipeline conveying equipment. It is widely used in vacuum conveying of powder industry because of its long distance and controllable conveying process.

Storage equipment is metering transfer warehouse, stainless steel container, inner wall can be polished and sprayed and other processes, materials do not adhere to the wall, convenient to carry various materials, meet the requirements of no residue.

Powder weighing is a quality assurance, optimization algorithm, recognition of high efficiency, accurate measurement and other characteristics.


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