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Air volume adjustable air control powder feeder

A powder feeding device and adjustable technology, which is applied in the direction of spraying device, liquid spraying device, conveying bulk materials, etc., can solve the problems of discontinuous feeding, high operating cost, lag, etc., and achieve widening of adjustment range, low operating cost, The effect of hysteresis resolution

Inactive Publication Date: 2005-06-22
GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] (1) Various types of feeders are used, the feeding is discontinuous, and the operating cost is high
[0004] (2) Various forms of pneumatic conveying injectors are used. After the design is completed, the structure is fixed. When the actual needs change, especially when the material discharge volume needs to be adjusted, the maximum material conveying capacity of the injector must also be adjusted accordingly. , the disadvantage of the existing pneumatic powder feeding device is that the injector cannot be adjusted accordingly, and the combined work of the feeder and the conveying device makes the material discharge volume and the maximum delivery volume of the injector often inconsistent
On the one hand, if the feeding volume of the material is too large, exceeding the maximum conveying volume of the injector, it is easy to cause the clogging of the injector; capacity is underutilized
This inconsistency leads to a lag in the adjustment of the actual material volume, and also greatly affects the stability of the conveying

Method used

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  • Air volume adjustable air control powder feeder
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Embodiment Construction

[0015] The structural details of a specific embodiment of the present invention will be described in further detail below in conjunction with the accompanying drawings:

[0016] like figure 1 As shown, 5 is the housing of the air-controlled powder feeding device with adjustable gas volume. The gas injection device is installed on the left side of the housing, and the diffuser 7 is installed on the right side. 2. Envelope 1, compressed air inlet pipe 9 and movable guide rod. Nozzle 6 is installed on the head of cylinder 3 through stop washer 10, facing the entrance of diffuser 7. Envelope 1 is installed and fixed on cylinder 3. Tail, the center of which has air vent, communicates with the atmosphere, spring 2 and movable guide rod are installed in the inner cavity of cylinder body 3, movable guide rod is made of rod head 41, shaft 42 and tail plug 43, when rod head When 41 is close to the nozzle 6, the head of the rod head can block the spout of the nozzle, the spring 2 is ins...

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PUM

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Abstract

An air-controlled powder feeding device with adjustable gas volume belongs to a pneumatic powder feeding device. Its structure includes the casing of the air-controlled powder feeding device, the gas injection device and the material diffuser facing the gas injection device. Its gas injection device is composed of cylinder body, envelope, elastic parts, movable guide rod, nozzle and compressed air intake pipe. This device can adjust the gap between the rod head of the movable guide rod and the nozzle by adjusting the pressure of compressed air. , and then control the amount of compressed air passing through the nozzle to find the best working parameters. The structure of the device is simple, and its powder control function and conveying function can be completed only by the air-controlled pneumatic powder feeding device alone. The cost is low and meets the requirements of long-term industrial operation.

Description

technical field [0001] The invention relates to a pneumatic powder feeding device. Background technique [0002] How to realize the control and conveying of the amount of material is an extremely important issue in the pneumatic conveying system. At present, in industrial production, the control and transportation of material volume are completed separately by the mechanical control device and the pneumatic conveying device. This kind of pneumatic powder feeding device that adopts the joint working method has the advantages of relatively simple material control, but it has the following two major disadvantages: [0003] (1) Various types of feeders are used, the feeding is discontinuous, and the operating cost is high. [0004] (2) Various forms of pneumatic conveying injectors are used. After the design is completed, the structure is fixed. When the actual needs change, especially when the material discharge volume needs to be adjusted, the maximum material conveying capac...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B05B7/14B65G53/04B65G53/42B65G53/66
Inventor 汪小憨陈恩鉴何立波杨卫斌
Owner GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI
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