Double-layer waste gas collection hood

A waste gas collection, double-layer technology, applied in the direction of dust removal, cleaning methods and appliances, chemical instruments and methods, etc., can solve the problem of poor suction in the edge area of ​​the waste gas collection cover, and achieve good waste gas collection effect and uniform suction distribution

Inactive Publication Date: 2014-12-24
天津天元亨橡胶制品厂
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  • Abstract
  • Description
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Problems solved by technology

[0003] The purpose of the present invention is to provide a waste gas collection hood with simple structure, reasonable design and increased su

Method used

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  • Double-layer waste gas collection hood

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Embodiment Construction

[0012] A double-layer exhaust gas collection cover, comprising a cover body 1 and an air introduction port 2 at the center of the cover body 1, the air introduction port 2 is externally connected with an induced fan 3, and the cover body 1 has a double-layer structure with two inner and outer layers.

[0013] Further, the cross section of the cover body 1 is made into a circle.

[0014] Further, a regulating valve 4 is provided at the central air inlet 2 of the cover body 1 .

[0015] The working process of the double-layer exhaust gas collection cover is: when the gluing machine is working, the induced draft fan 3 is turned on. At this time, the air flow flows from the lower part of the cover body 1 and the middle gap between the two layers of the cover body 1 and is discharged from the air introduction port 2, because the two Layer structure, the negative pressure formed at the edge will be relatively large, and the suction force will be stronger, which overcomes the origina...

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Abstract

The invention provides a double-layer waste gas collection hood. The double-layer waste gas collection hood comprises a hood body and an air inlet in the center of the hood body, the air inlet is externally connected with a draft fan, the hood body is of double-layer structure, the hood is circular and an adjusting valve is arranged at the air inlet of the center of the hood body. The double-layer waste gas collection hood has the advantages that the hood body is of double-layer structure, large suction force can be formed at the edge, and waste gas collection effect is better; the section of the hood body is circular, and suction force is more uniformly distributed; the adjusting valve is arranged at the center of the air inlet and can adjust suction force.

Description

technical field [0001] The invention relates to a waste gas recovery device, in particular to a double-layer waste gas collection cover Background technique [0002] In the reclaimed rubber production line, the gluing machine is a commonly used machine. Because of the exhaust gas, it is generally necessary to install an exhaust gas collection cover on the upper part of the gluing machine. The existing exhaust gas collection hood is generally a single-layer design, and the effect is obvious in the central negative pressure area. , but in the surrounding area, especially the edge area, the suction is greatly reduced, causing the exhaust gas to overflow, and the collection effect is not good. Moreover, most of the existing exhaust gas collection covers are square, and the positions of the four corners are especially dead corners of suction. Contents of the invention [0003] The object of the present invention is to provide an exhaust gas collection hood with simple structur...

Claims

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Application Information

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IPC IPC(8): B08B15/04
CPCB08B15/02
Inventor 张伟杰郭金春林树喜
Owner 天津天元亨橡胶制品厂
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