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Dongguan Yuchen Machinery Technology Co., Ltd. Industrial dust removal equipment manufacturers provide industrial dust extraction equipment, dust collector equipment, industrial dust collector equipment, grinding dust removal equipment, polishing dust removal equipment, workshop dust removal equipment, and provide a complete set of design solutions for workshop dust treatment plant dust treatment Quotation, see on-site service
Dongguan Yuchen Industrial Dedusting Equipment Manufacturer
Provide dust removal plan for grinding and polishing dust removal equipment workshop
Unified national service hotline:
0769-81256298 400-622-6298 0769-81256298

Five aspects affect the performance of the bag filter


是有效控制粉尘污染、除尘效率高的主要设备之一. 随着粉尘排放指标的提高,袋式除尘器适应性强、除尘效率高、运行可靠等优点逐渐显现出来,受到业内企业的青睐. 它也是企业应对日益严格的环保要求的主要设备. 五个方面影响布袋除尘器的性能 : Bag dust collector is one of the main equipments to effectively control dust pollution and high dust removal efficiency. With the improvement of dust emission index, bag dust collectors have strong adaptability, high dust removal efficiency and reliable operation. Favored. It is also the main equipment for enterprises to respond to increasingly stringent environmental protection requirements. Five aspects affect the performance of bag dust collectors :

五个方面影响布袋除尘器的性能


1. Vacuum cleaner filter bag quality. The quality of the filter bag is the key to affecting the dust removal efficiency of the bag filter. The requirements of the bag filter on the material of the filter bag should not only have good performance, specific density and air permeability, but also have good corrosion resistance and heat resistance. And higher mechanical strength. The flue gas emission temperature of power plants is generally controlled at 120 ~ 160 ℃, and polyphenylene sulfide PPS filter bags are usually used. However, in actual use, polyphenylene sulfide PPS receives oxygen content during boiler operation. The effect is very large. The oxygen content and temperature of the flue gas directly affect the service life of the PPS filter. Therefore, the oxygen content in the flue gas is one of the main factors determining the service life of the filter bag.


Grinding polishing dust removal equipment


2. Selection of filtering wind speed. The filtering wind speed during the operation of the bag filter actually refers to the average speed of the gas passing through the filter cloth, which represents the ability of the bag filter to process the gas, and is an important technical and economic indicator of the bag filter. If the filtering wind speed is too high, the service life of the filter bag will be shortened. If the filtering wind speed is too low, the investment cost will increase, so it is necessary to choose a filtering wind speed reasonably. According to the actual operating experience at home and abroad, the filtering wind speed should be controlled at about 1.20m / min. The use of polyphenylene sulfide PPS material can ensure the service life of the filter bag reaches 30,000 hours. For bag dust collectors with high dust concentration, the filtering wind speed Generally below 0.8 m / min. This helps to evenly distribute the airflow and extend the life of the filter bag.


Five aspects affect the performance of the bag filter 3. The running resistance of the bag filter. According to theoretical calculations, the dust removal efficiency of the bag filter can reach 99%. However, in actual operation, it will be affected by air leakage and dust collector resistance. The lower the air leakage rate, the better the dust removal effect. The resistance is reduced and the dust removal effect is improved. The resistance of the bag filter is related to the injection pressure. The higher the injection pressure, the more air enters the filter bag, the higher the reverse blow speed, the better the dust removal effect, and the more obvious the drop in the resistance of the dust collector. With the increase of the injection pressure, the resistance of the dust collector increases with the increase of the filtering wind speed, but the increasing speed becomes slower and slower. Therefore, within a certain range, increasing the injection pressure can reduce the running resistance of the dust collector.


4. Medium temperature. When the temperature of the medium rises beyond the working range of the filter bag, the dust removal performance of the filter bag will gradually change, such as embrittlement, surface shrinkage, deformation, ventilation, etc. In severe cases, "burning bags" will occur, causing damage to the filter bag and dust removal. Performance drops dramatically.


5. Condensation in the filter bag. Dehydration is the most common problem in the operation of bag filters. The moisture in the medium is the most important factor that affects the dew condensation of the filter bag, especially when the filter bag is treated at high temperature, the initial dust layer on the surface of the filter bag will contain moisture, which will make the surface of the filter bag harden and accelerate the corrosion of the filter bag. And damage, making the filter bag lose its elasticity and unable to work properly. The selection of filter bag quality and filtering wind speed, as well as the running resistance, media temperature and condensation of the filter bag, not only affect the dust removal efficiency, but also affect the dust removal performance and hinder the normal operation of the bag dust collector. run.


Related recommendation: Working principle of bag filter


提供的五个方面影响布袋除尘器的性能, 我司提供车间粉尘、废气等除尘工程,从最初的规划到整套除尘系统的调试运行,欢迎来电 400-622-6298 ,欢迎来电咨询! The above are the five aspects provided by Yuchen dust removal equipment manufacturers that affect the performance of bag dust collectors. Our company provides workshop dust, exhaust gas and other dust removal projects. From the initial planning to the commissioning and operation of the entire dust removal system, please call 400-622-6298 . Welcome to inquire!

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Industrial dust removal equipment manufacturers_Dongguan Yuchen Machinery Technology Co., Ltd. Copyrightn 2013 Sitemap visits: [ Baidu Statistics ]
Manufacturer of dust removal equipment_Tel : 0769-8125 6298/81256299 Contact person: Miss Xie / 13922901739 Sales person of industrial dust removal equipment: Mr. Wang / 13600259680
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