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Gas Filtration System

A filtration system and gas technology, applied in the direction of dispersed particle filtration, dispersed particle separation, chemical instruments and methods, etc., can solve the problems that need to be further improved, the cloth bag is not resistant to high temperature, and the service life of the filter element is affected.

Active Publication Date: 2015-09-02
CHENGDU INTERMENT TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Because the filter dust removal method adopts the physical interception method, the dust removal accuracy is high and it is easy to control. However, due to the problems of high temperature resistance, easy damage, and further improvement of the filtration accuracy of the bag, there are currently some high temperature resistant, Filter elements with better performance in terms of chemical stability, filtration accuracy, and mechanical strength
However, these filter elements are the same as cloth bags. During the whole use process, the gas to be filtered passes through the filter element almost completely perpendicular to the surface of the filter element, and the backblowing gas also moves perpendicular to the surface of the filter element during backblowing and dust removal, resulting in a short filter element. It is blocked by dust within a certain period of time, and the effect of backflushing and cleaning is not ideal, which also has a certain impact on the service life of the filter element

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] In the gas filtration system of Embodiment 1, the net gas output pipe 300 connected to the first exhaust port 112 and the net gas output pipe 300 connected to the second exhaust port 512 can finally converge into the same net gas output pipe, and then the net gas output pipe The output pipe is connected with a general power device (such as fan 900) to provide driving force for the movement of the gas to be filtered in the system. At this time, the gas filter system is a negative pressure system in which the power device is located at the rear end of the gas filter system. Of course, the power equipment can also be arranged on the raw gas input pipe 200. At this time, the gas filtration system is a positive pressure system in which the power equipment is located at the front end of the gas filtration system. Regardless of whether a positive pressure system or a negative pressure system is adopted, power equipment is generally required, which is currently known in the fiel...

Embodiment 2

[0023]In the gas filtering system of Embodiment 2, since the structure of the first gas filtering device 100 and the second gas filtering device 500 are exactly the same, it is better not to implement the same structure between the first gas filtering device 100 and the second gas filtering device 500. As in Example 1, it is divided into main gas filtering equipment and auxiliary gas filtering equipment, but the filtering time and the amount of gas to be filtered are evenly distributed between the first gas filtering device 100 and the second gas filtering device 500 . In this way, the first gas filtering device 100 and the second gas filtering device 500 can adopt the same scale, for example, the first filter element 120 and the second filter element 520 are designed to be 1.7-2.2 meters long, thereby greatly improving the working efficiency of the gas filtering system . In addition, in the gas filtration system of Embodiment 2, both the first gas filtration device 100 and th...

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Abstract

The invention discloses a gas filtration system that can use gas to be filtered to conduct airflow cutting and ash removal on a filter element surface. The gas filtration system comprises a first gas filtration device and a second gas filtration device, wherein the first gas filtration device comprises a first housing provided with a first gas inlet, a first gas outlet and a first ash discharging opening, and a first filter element mounted in the first housing; the second gas filtration device comprises a second housing provided with a second gas inlet, a second gas outlet and a second ash discharging opening, and a second filter element mounted in the second housing; a gas inlet end and a gas outlet end are arranged on the first filter element; the gas inlet end is communicated with the first gas inlet; the gas outlet end is communicated with the first ash discharging opening; a gas inlet end and a gas outlet end are arranged on the second filter element; the gas inlet end is communicated with the second gas inlet; the gas outlet end is communicated with the second ash discharging opening; the first ash discharging opening is connected with a first ash discharging valve; a first ash can is arranged below the first ash discharging valve; the second ash discharging opening is connected with a second ash discharging valve; a second ash can is arranged below the second ash discharging valve.

Description

technical field [0001] The invention relates to gas dust removal equipment, in particular to a gas filtering system. Background technique [0002] Many kilns in the industry will produce a large amount of dust-containing furnace gas. On the one hand, most of the furnace gas dust contains useful substances that are expected to be recycled. On the other hand, if the dust is not recycled, it will cause air pollution (especially PM2.5 particulate matter Pollution), and will also affect the production of subsequent products, therefore, most of the occasions using industrial furnaces are faced with the problem of dust collection and purification of furnace gas. At present, the dust collection and purification technology of furnace gas can be divided into dry method and wet method. The wet method is more complicated, easily leads to secondary pollution, and the useful substances in the dust are not easy to recover, while the dry method has its inherent advantages in these aspects. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D46/24B01D50/00
Inventor 高麟汪涛蒋敏
Owner CHENGDU INTERMENT TECH