Inevitable rise of folding bag-dust bag expert

Fold bag inevitable rise

Both dust collection and flue gas purification technologies depend on the maturity of Bag Dust Removal Technology. Although this technology is only 20 years old in China, it is widely applied and economically beneficial, it has become the main application technology of Dust Removal in China's industry. With the process of industrialization in China, the increasing production capacity requirements and increasingly strict emission standards have higher requirements on the bag dust removal technology. Currently, many operating dust removal devices cannot meet the requirements for improving the production process or meeting the emission standards. The State has put the detection and control of PM2.5 particles on the agenda. The most cost-effective improvement of the existing bag dust removal facilities and the design and manufacture of New Dust Removal Equipment depend largely on the bag filter which is the most critical component.

At present, the pulse dust bag is mainly designed for circle or elliptical cylinder, and there are also a few flat bags. After repeated research, it was found that the folding bag appeared in people's production and application. It is the latest technology suitable for the existing pulse Injection bag filter. This technology does not need to make any structural changes to the bag filter, and the design of the bag and cage of the core components of the dust filter is almost revolutionary. This technology has been widely used in large air volume dust collectors around the world, providing an outstanding solution for the technical and technological bottlenecks of many enterprises. It is foreseeable that this technology will play an important role in the rapidly growing Chinese bag filter industry.

Advantages of folding bag

1) directly replace the existing circular (elliptical) filter bags and cages of the dust collector without structural modification of the main equipment.

2) According to the system design and needs, the filtering area can be increased by 50-150%

3) significantly reduce the system pressure difference, thus improving the overall system performance and bag life

4) significantly reduce the Ash Cleaning frequency or prolong the ash cleaning interval. Therefore, emissions are greatly reduced under the same conditions.

5) compared with the ordinary bag, pulse Ash Cleaning Efficiency (the same filter material) is significantly improved due to its special structure.

6) The effective bag spacing increases, and the air flow rising speed between bags decreases, greatly optimizing the online cleaning effect.

7) the special design of bag/cage greatly reduces the fatigue damage and intermittent emissions caused by pulse Injection.

8) the cage does not have a transverse support ring and the effective contact area is large, completely avoiding direct impact on the bag.

9) as needed, you can increase the filtering area while shortening the length of the bag to optimize the system operation.

10) greatly reducing the amount of compressed air and the load of air compressors and pulse Valves

11) the fan load is greatly reduced, and the system energy consumption is significantly reduced.

12) Significant reduction in system maintenance costs (energy consumption, auxiliary equipment, parts and labor)

13) Any existing filter materials (polyester, polypropylene, acrylic, PPS, polyamide, p84, PTFE, fiberglass, various filters and their processing, including PTFE Film) meeting system requirements can be used)

14) Existing cloth bags can still be used as emergency spare parts (or mixed-use)

Folding bag can be used in any bag filter, but it is especially suitable for the existing dust filter whose air volume cannot meet the needs, the operation pressure difference is too high, and the injection frequency is too high (so the discharge is too high) local Air Distribution affects system operation and bag life, and has higher requirements on Dust Emission and flue gas purification.

Applicable industries

1) electrolytic aluminum

2) Cement Production

3)Dust Removal from flue gas in Thermal Power (coal-fired or biomass energy) Plants

4) Waste Incineration Flue Gas Treatment

5) steel plants and non-ferrous metals smelting

6) Flue Gas Treatment for various mineral Refining

7) Recovery of various ultra-fine dust

8) Other types of industrial dust recycling or Emission Control

FAQ FAQs

Does a folding bag have special requirements on the filter material?
This technology can be used for any existing filter material. The customer can also specify the filter material.

B. Does the system need to be transformed when the folding bag is used?
Unless the fan and/or pipe need to be increased due to air volume, you only need to replace the folding bag and the matching cage.

C If the folding bag is used to replace the circular bag, will the increase of air flow speed lead to a decrease in the system cleaning effect?
If the air ratio remains unchanged, the rising speed of the airflow will not increase. Fold bag correspondingly increases the effective bag spacing, so the Filtration Cake and dust settlement are more effective.

D is it necessary to replace the ordinary round bag pulse Injection System with a folding bag?
If the existing injection system works normally, no modification to the injection system is required. Although the wind speed of the clean gas increases, the effective diameter of the folding bag is much smaller than that of the ordinary round bag and is irregular surface. The pulse jet volume or pressure required is smaller than that of the ordinary round bag. If the air distribution is relatively small, the injection pressure can be properly reduced.

E. Will the folding bag accumulate partial gray on the head, bottom, and hoop?
A large number of tests and application cases prove that the folding bag will not experience local ash accumulation.

Is F folding bag suitable for new dust collectors?
The folding bag can be used in the new dust collector. The same air-to-air ratio of the Dust Collector using the ordinary round bag can greatly reduce the volume pulse valve of the dust collector, it is particularly suitable for scenarios with limited space or high land costs.

 

 

Related links:

Dust Collector, dust remover, dust bag, Dust Removal skeleton, electromagnetic pulse valve, control instrument, control cabinet, conveying equipment, Dust Removal fan, other dust removal accessories

 

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