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Special filter bag for blast furnace gas

A blast furnace gas and filter bag technology, applied in the field of filter bags, can solve the problems of poor filtering effect, troublesome cleaning of dust and short life of filter bags, etc. Effect

Active Publication Date: 2016-04-06
LUOYANG DWS ENVIRONMENTAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the field of blast furnace gas, commonly used filter bags have problems such as short service life, troublesome cleaning of dust and dirt, poor filtering effect, etc.

Method used

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  • Special filter bag for blast furnace gas
  • Special filter bag for blast furnace gas

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Embodiment Construction

[0012] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0013] As shown in the figure, the special filter bag for blast furnace gas includes a filter bag body 1 and an installation ring 2. An installation ring is provided at the mouth of the filter bag body 1. The filter bag body 1 includes a polytetrafluoroethylene needle felt Layer 101, glass fiber woven cloth middle layer 102 and polyphenylene sulfide fiber outer layer 103, the three-layer filter material forms a three-dimensional asymmetric felt layer structure, and the inner surface of the polytetrafluoroethylene needle felt inner layer 101 is provided with multiple A dust collecting tank 104.

[0014] The dust collecting groove 104 gradually increases from the mounting ring to the bottom of the bag, and the dust collecting groove 104 is elliptical. The existence of the dust collection groove increases the contact area between the fi...

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Abstract

The invention discloses a filter bag special for blast furnace gas. The filter bag special for the blast furnace gas comprises a filter bag body and an installation ring; the pocket mouth of the filter bag body is provided with the installation ring; the filter bag body comprises a Teflon needled felt inner layer, a glass fiber woven cloth middle layer and a polyphenylene sulfide fiber outer layer. The filter bag special for the blast furnace gas has the advantages of high abrasion resistance, good filtering effect, long service life and the like.

Description

technical field [0001] The invention relates to a filter bag, in particular to a special filter bag for blast furnace gas. Background technique [0002] With the rapid development of China's economy, the output of steel, cement and coal ranks first in the world, and its power generation capacity ranks second in the world. These raw materials, energy industry production equipment and technology are relatively backward, resource and energy consumption is large, pollution is serious, and the amount of dust and smoke generated is huge, and the market demand for bag filter is also increasing. The key component of the bag filter is the filter bag, and its dust removal performance determines the quality of the bag filter. [0003] In the field of blast furnace gas, commonly used filter bags have problems such as short service life, troublesome cleaning of dirt, and poor filtering effect. Contents of the invention [0004] In order to solve the above technical problems, the pres...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D39/14B01D46/02C10K1/02C21B7/22
Inventor 肖红霞
Owner LUOYANG DWS ENVIRONMENTAL TECH