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Novel venturi tube for bag type deduster

A bag filter and venturi tube technology, applied in chemical instruments and methods, dispersed particle separation, dispersed particle filtration, etc., can solve the problems of increased capital investment, increased equipment resistance, design difficulties, etc., and achieve great economic benefits. , The effect of increasing the area of ​​the filter channel and reducing the resistance

Inactive Publication Date: 2010-11-03
上海袋式除尘配件有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because the Venturi tube has a throat diameter, this reduces the channel area of ​​the filter for the bag filter, which will greatly increase the resistance of the equipment, resulting in design difficulties and increased capital investment.

Method used

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  • Novel venturi tube for bag type deduster
  • Novel venturi tube for bag type deduster
  • Novel venturi tube for bag type deduster

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0014] The present invention will be further described below in conjunction with specific examples.

[0015] Such as figure 1 with Figure 3-4 As shown, the novel Venturi tube includes an end face 1, a shrinking tube 2, a throat diameter 3, an expanding tube 4, and the like. The speed of compressed air spraying through the shrinking tube is accelerated, the pressure is reduced, and it is easy to cause secondary flow gas. After passing through the throat, the tube is expanded and then decelerated and pressurized. After passing through the Venturi tube, the gas pressure is stable and the speed is uniform. The dust removal of the filter plays a very important role. At the same time, because the end face of the Venturi tube has a through hole 5, the filter channel area of ​​the bag filter is greatly increased, and the resistance is greatly reduced, which has great economic benefits for the filter and the user. .

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PUM

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Abstract

The invention relates to a novel venturi tube for a bag type deduster. The venturi tube comprises an end surface, a contracted pipe, a throat diameter and an expanded pipe which are connected in sequence; and the end surface is provided with a through hole. Compared with the prior art, since the end surface of the contracted pipe is provided with the through hole, the area of the filtering channel of the bag type deduster can be increased greatly, resistance is reduced greatly, and therefore, the novel venturi tube brings great economic benefits to dedusters and using units.

Description

technical field [0001] The invention relates to a Venturi tube, in particular to a novel Venturi tube for a bag filter. Background technique [0002] The venturi tube is mainly used in the bag filter, which uses the change of gas pressure to blow the compressed gas in the air bag (gas distribution box) into the air chamber of the bag filter and make the solids attached to the filter material The dust is separated, the compressed air sprays through the Venturi tube, the shrinkage speed is accelerated, and the pressure is reduced, which is easy to cause the secondary flow gas. After passing through the throat, the tube expands and then decelerates and pressurizes. Evenly, it plays a very important role in the dust removal of the bag filter and is a key accessory of the bag filter. It is widely used in the field of dust control and collection in various industries. [0003] The customary Venturi tube such as figure 2 As shown, it includes end face 1, reduced tube 2, throat d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D46/04
Inventor 周暐劳以诺诸千根
Owner 上海袋式除尘配件有限公司