Stepped electric-to-bag deduster structure

A dust collector, step-type technology, applied in the direction of chemical instruments and methods, dispersed particle separation, combined devices, etc., can solve the problems of long renovation period, small electrostatic precipitator site, difficult redesign and installation of bag filter, etc. , to achieve the effect of reducing air velocity, slowing air turbulence, and increasing circulation space

Inactive Publication Date: 2017-07-04
JIEHUA HLDG
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0002] At present, with the strengthening of people's awareness of environmental protection and the further stringent emission standards, electrostatic precipitators are facing severe challenges. The standards for industrial kilns and coal-fired boilers require that the emission concentration be reduced to 30mg / m 3 Below, key areas 20mg / m 3 The following; Conventional electrostatic precipitators can no longer meet the requirements of environmental protection. Under the background of the rapid development of bag dust removal technology, the electric bag filter has become the preferred method for environmental protection upgrade of large-scale dust collectors.
In the previous transformation, the electrostatic precipitator had to be removed, and the transformation cycle was still relatively long, especially because the site of the original electrostatic precipitator was small, so it was difficult to redesign and install a new bag filter

Method used

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  • Stepped electric-to-bag deduster structure

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Embodiment Construction

[0010] As attached figure 1 As shown, a stepped electric bag filter structure includes an air inlet pipe 11, a box body 4, an ash hopper 3, and an air outlet pipe 12. A filter bag 5 is provided in the box body 4, and the box body 4 An upper box body 6 and a clean air chamber 10 are sequentially arranged above the upper box body 6 including a blow pipe 7, an overhaul door 8 and a flower plate 9. The filter bag 5 is hung on the flower plate 9; The chamber 10 is arranged in a stepped shape, and the width of each step of the clean air chamber 10 is equal to the maximum width of the ash hopper 4. The air inlet pipe 11 is provided with a settling chamber 1, and an air flow partition 2 is provided between the settling chamber 1 and the middle box body 4, the top surface of the air flow partition 2, the top surface of the settling chamber 1, and the flower plate 9 At the same height, the lower bottom of the airflow partition 2 is slightly lower than the lower bottom of the filter bag ...

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PUM

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Abstract

The invention discloses a stepped electric-to-bag deduster structure, which comprises an air inlet pipe, a box, an ash bucket and an air outlet pipe. A filter bag is arranged in the box. An upper box and an air purification chamber are successively arranged above the box. The upper box comprises a blowing pipe, an access door and a tube nest. The filter bag is hung on the tube nets. The purification chamber is step-shaped. A settling chamber is arranged at the air inlet pipe. An air-flow separator plate is arranged between the settling chamber and a middle box. The top surface of the air-flow separator plate, the top surface of the settling chamber and the tube nest are positioned at the same height. According to the invention, the original electric deduster structure is fully utilized, the reconstruction period is short, engineering cost is low, and economy is good.

Description

Technical field [0001] The invention relates to a dust remover, in particular to a structure of a stepped electric modified bag dust remover. Background technique [0002] At present, with the strengthening of people’s awareness of environmental protection and further stringent emission standards, electrostatic precipitators are facing severe tests. The standards for industrial kilns and coal-fired boilers require that the emission concentration be reduced to 30mg / m 3 Below and key areas 20mg / m 3 Below: Conventional electrostatic precipitators have been unable to meet environmental protection requirements. In the context of the rapid development of bag dust removal technology, electric modified bag precipitators have become the preferred method for environmental protection upgrades of large dust collectors. In the past transformation, the electrostatic precipitator had to be dismantled, and the transformation period was still relatively long. Especially the original electrostati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D50/00
CPCB01D50/20
Inventor 邱乾胜钱海龙顾利定夏国平孙立
Owner JIEHUA HLDG
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