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HFGMM系列防爆型氣箱脈沖袋除塵器

  • HFGMM系列防爆型氣箱脈沖除塵器采用全新防燃、防爆結構設計,外加齊全的安全監測與消防措施,消除了收塵器內部燃燒、爆炸的隱患;...
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HFGMM系列防爆型氣箱脈沖除塵器采用全新防燃、防爆結構設計,外加齊全的安全監測與消防措施,消除了收塵器內部燃燒、爆炸的隱患;在高濃度煤粉的清灰方面,采用高壓脈沖多點噴吹并配以微機自動控制等手段,確保了收塵器長期穩定、高效地運行。與同類產品相比,該技術的主要特點是:能一次性處理含塵濃度高達1000 g/m3N的煤粉煙塵;減少工藝設備,簡化工藝流程,降低了系統阻力,減少風機的裝機容量;降低了工程造價,減少運行費用,維護也更簡便。
HFGMM Series Explosion-proof Gas Box Pulse Bag Dust Collector
The technologies introduction of HFGMM Series Explosion-proof Gas Box Pulse Bag Dust Collector
The explosion-proof gas box pulse bag dust collector of HFGMM series has taken a whole new structural design of combustion and explosion proof, and make the dust collector removes the hidden troubles of internal combustion and explosion with complete safety monitoring and fire protection. In the aspect of high concentration coal dust ash removal, it makes sure the long, steady, and effective running of dust collector with the ways of high pressure pulse multipoint jetting and microcomputer automatic control equipped. Comparing with the same products, the main characteristics of technology includes: dealing with the coal smoke dust of high dust-contained concentration as 1000 g/m3N one-off; reducing the processing equipment; simplifying the technological process, lower system resistance and reduce installing capacity of blower; lowering the engineering cost, reduce running fees and make maintenance simple and convenient
HFGMM系列防爆型氣箱脈沖袋除塵器的工作原理
HFGMM型系列防爆氣箱脈沖袋除塵器,設備正常運行時,含塵煙氣由進風口進入灰斗;部分較大的塵粒由于慣性碰撞、自然沉降等作用直接落入灰斗,其余大部分塵粒隨氣流上升進入各個袋室。經濾袋過濾后,塵粒被阻留在濾袋外側,凈化后的氣體由濾袋內部進入箱體,再通過提升閥、出風口排入大氣。 隨著過濾過程的不斷進行,濾袋外側所附積的粉塵不斷增加,從而導致袋除塵器本身的阻力也逐漸升高。當阻力達到預先設定值時,清灰控制器發出信號,首先令一個袋室的提升閥關閉以切斷該室的過濾氣流,然后打開電磁脈沖閥,以極短的時間將用作清灰的高壓逆向氣流送入濾袋內,濾袋迅速鼓脹,并產生強烈抖動,導致濾袋外側的粉塵掉落,達到清灰的目的。由于設備分為若干個箱區,所以上述過程是逐箱進行的,一個箱區在清灰時,其余箱區仍在正常工作,保證了設備的連續正常運轉。
 
Working principles of HFGMM series Explosion-proof Gas Box Pulse Bag Dust Collector
When the equipment of explosion-proof gas box pulse bag dust collector of HFGMM series is running normally, the dust-contained flue gas enters into the dust hopper from air inlet, in which some of bigger dust particles fall into the dust hopper directly with the functions of inertial collision, natural settlement and so on, while the other most of dust particles enter into every bag chamber with the rising of air stream. After the filtering of filtering bag, the dust particles are stopped and kept outside filtering bag, and gas purified enters into box body from the inside filtering bag and be discharged into the air by poppet valve and air outlet. With the constant running of filtering process, the dust attached and accumulated outside filtering bag is increasing and make the resistance of dust collector itself be rising gradually. When the resistance reaches the preset value, the ash removal instruction will be sent out from ash removal controller. Make the hoppet valve of one bag chamber be closed firstly to cut off the air stream of filtering in this chamber. Then open the electromagnetic pulse valve and send high pressure reverse stream used in ash removal to the filtering bag with the very short time. The filtering bag swells rapidly and produces strong trembling and makes the flour dust outside filtering bag fall off and goal of ash removal is reached. Since the equipment is divided into a number of box areas, so the process is from box to box, that is, the other box areas are still working when removing ash in one box area, and make sure the constant normal running of equipment.

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