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Long pulse bag filter

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Long pulse bag filter

  • 脉冲长布袋除尘器
  • Category: Dedusting equipment

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  • Release Date: 2019/04/27
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  • Detailed introduction

Pulse long bag filter

脉冲长布袋除尘器


product description

Pulse bag filter is a new type of pulse bag filter improved on the basis of bag filter. In order to further improve the pulse bag type dust collector, the modified pulse bag type dust collector retains the advantages of high purification efficiency, large gas processing capacity, stable performance, convenient operation, long filter bag life, and small maintenance workload.

In addition, structural and pulse valve reforms have been implemented to solve the problems of open air installation and low pressure of compressed air sources.


Working principle of pulse bag filter

The pulse bag filter is composed of ash bucket, upper box, middle box, lower box, etc. The upper, middle and lower boxes are divided into compartments. During work, the dust-containing gas enters the ash hopper from the air inlet, and the coarse dust particles directly fall into the bottom of the ash hopper. The fine dust particles enter the middle and lower boxes with the airflow turning up, and the dust accumulates on the outer surface of the filter bag. The gas enters the upper box to the clean air collecting pipe-exhaust duct, and is discharged to the atmosphere through the exhaust fan. The ash cleaning process is to first cut off the clean air outlet air duct of the chamber, so that the cloth bag in the chamber is in a state without air flow (the air is cleaned in the sub-chamber). Then the pulse valve is opened and pulsed air is sprayed with compressed air. The shut-off time of the shut-off valve is sufficient to ensure that the dust peeled from the filter bag after sedimentation is settled in the ash hopper, which prevents the dust from accumulating with the air flow after leaving the filter bag To the surface of the adjacent filter bag, the filter bag is cleaned, and the exhaust valve, pulse valve and ash discharge valve are automatically controlled by a programmable controller.


Characteristics of pulse bag filter

1.Pulse bag filter adopts the technology of air separation and impulse blowing in the room, which overcomes the shortcomings of conventional pulse dust collector and room back blowing dust collector. It has strong ash cleaning ability, high dust removal efficiency, low emission concentration, low air leakage rate, and can Less consumption, less steel consumption, less floor space, stable and reliable operation, and good economic benefits. Suitable for metallurgical, building materials, cement, machinery, chemical industry, electric power, light industry industries, dust-containing gas purification and material recovery.

2. As the ash cleaning pulse is used to separate the air from the chamber, the ash cleaning can be achieved after one blow. Therefore, the ash cleaning cycle is extended, the ash cleaning energy consumption is reduced, and the compressed air consumption can be greatly reduced. At the same time, the fatigue of the filter bag and the pulse valve is correspondingly reduced, thereby doubling the life of the filter bag and the valve plate.

3, bag replacement can be carried out in non-stop system fan, the system under normal operating conditions. The mouth of the filter bag adopts an elastic expansion ring, which has good sealing performance and is firm and reliable. The filter bag keel adopts a polygonal shape, which reduces the friction between the bag and the keel, prolongs the life of the bag, and facilitates the unloading of the bag.

4. The upper bag extraction method is adopted. After the skeleton is pulled out during bag replacement, the dirty bag is put into the ash bucket at the lower part of the box and taken out from the manhole, which improves the bag changing operation conditions.

5. The box body adopts air-tight design, good sealing performance, excellent sealing materials for inspection doors, kerosene leak detection during the production process, and the air leakage rate is very low.

6. The inlet and outlet air ducts are compactly arranged and the airflow resistance is small.

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