Fuel gas weak blast wave dust-cleaning deduster

Abstract

A fuel gas weak blast wave ash-cleaning duster, comprises a box body (6), a filter element (62) and a spraying and blowing device (61). A weak blast wave reactor (1) is disposed on the top or lateral part of the box body (6). The weak blast wave reactor (1) is connected with the spraying and blowing device (61) on the box body (6). An air inlet pipe is disposed on the weak blast wave reactor (1). An igniting device (2) is disposed on the weak blast wave reactor (1). The weak blast wave reactor (1) is connected with a fuel gas conduit (4) equipped with a pressure-reducing valve (4a), a speed control valve (4b) and a fuel gas solenoid valve (4c). Both the igniting device (2) and the fuel gas solenoid valve (4c) are connected with a control box (5).

Description

technical field [0001] The invention relates to the field of bag type dust collectors, in particular to a gas weak explosion wave dust removal dust collector. Background technique [0002] Bag type dust removal technology is the most widely used dust collector to prevent and control air pollution, and it is also one of the most important emission reduction technologies in dust removal projects. The bag filter is a dust removal technology that uses a filter cloth of a certain shape to filter dust. The residence and accumulation of dust on the surface of the filter cloth will affect the ventilation capacity of the filter cloth. links. Commonly used dust removal methods include mechanical dust removal, pulse jet dust removal, back blow dust removal and sonic dust removal. Among them, the effect of pulse jet dust removal is the best, and the application is also the most common. [0003] At present, the bag-type dust collectors that use pulse jet dust removal are all sprayed w...

AI Technical Summary

Problems solved by technology

The disadvantage is that sufficient compressed air is needed. When the supplied compressed air pressure cannot meet the blowing requirements, the cleaning effect will be greatly reduced. At the same time, when the compressed air expands and does work, the temperature will drop a lot. The water vapor contained in it will condense and affect the performance and life of the filter material

[0006] In the above-mentioned pulse jet cleaning technology, without exception, compressed air is used as the power source, but the acquisition of compressed air is mainly driven by electric power. Although this is easy to implement, it also has shortcomings. There are mainly two problems. One is that after electricity is used as a secondary energy source and then compressed air is obtained through multiple transformations, its energy utilization rate is very low. With the current energy structure, a large amount of primary energy such as coal must be consumed, and a large amount of carbon dioxide will be emitted into the atmosphere.

The second aspect is that the air contains a lot of water vapor. After compression, dehydration and other facilities are required. However, in cold regions, the temperature in winter is low, and after the water vapor in the compressed air condenses, it will cause filter materials and pulse injection. Condensation or freezing damage to the equipment, although insulation measures will be taken during the installation process, this cannot completely avoid the occurrence of the above situation, most of the failure or component damage of the pulse-jet bag filter in cold areas is due to this aspect caused by

At the same time, this blowing method using compressed air as the power source needs to be equipped with high-pressure air source or air compressor, dehydration equipment, air storage tank and pulse valve, etc., the system is complex, and it is difficult to support the application on the micro or small bag filter.

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