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氣浮機

概述 DESCRIPTION

袋式除塵器是一種幹式濾塵裝置。濾料使用一段時間後,由於篩濾、碰撞、滯留、擴散、靜電等效應,濾袋表麵積聚了一層粉塵,這層粉塵稱為初層,在此以後的運動過程中,初層成了濾料的主要過濾層,依靠初層的作用,網孔較大的濾料也能獲得較高的過濾效率。隨著粉塵在濾料表麵的積聚,除塵器的效率和阻力都相應的增加,當濾料兩側的壓力差很大時,會把有些已附著在濾料上的細小塵粒擠壓過去,使除塵器效率下降。另外,除塵器的阻力過高會使除塵係統的風量顯著下降。因此,除塵器的阻力達到一定數值後,要及時清灰。清灰時不能破壞初層,以免效率下降。

Bag type dust collector is a dry dust filter device. Filter used for a period of time, due to the sieve, collision, detention, diffusion and electrostatic effect, bag table area accumulate a layer of dust, this layer of dust known as the first layer, after that, the beginning level is the main filtering layer, relying on the role of initial layer, larger mesh filter can obtain a higher filtration efficiency. With the accumulation of dust on the surface of filter material, the efficiency and resistance of the filter are increased. When the pressure difference between the two sides of the filter media is very big, some of them have been attached to the filter material. In addition, the resistance of the dust collector will make a significant drop in the air quantity of the dust removal system. Therefore, the resistance of the dust collector to reach a certain value, it is time to clear the dust. Ash can not destroy the initial layer, so as to avoid the efficiency decline.

工作原理 WORKING PRINCIPLE

過濾式除塵器是指含塵煙氣孔通過過濾層時,氣流中的塵粒被濾層阻截捕集下來,從而實現氣固分離的設備。過濾式除塵裝置包括袋式除塵器和顆粒層除塵器,前者通常利用有機纖維或無機纖維織物做成的濾袋作過濾層,而後者的過濾層多

采用不同粒徑的顆粒,如石英砂、河砂、陶粒、礦渣等組成。伴著粉末重複的附著於濾袋外表麵,粉末層不斷的增厚,布袋除塵器阻力值也隨之增大;脈衝閥膜片發出指令,左右淹沒時脈衝閥開啟,高壓氣包內的壓縮空氣通了,如果沒有灰塵了或是小到一定的程度了,機械清灰工作會停止工作。

Filter type dust collector is a equipment when smoke air hole containing dust through filter layer, air dust particles are intercepted by filter layer, so as to realize the gassolid separation .

Filter dust removal device comprises a bag type dust collector and granular layer dust removal, the former usually use organic fiber and inorganic fiber fabric made ofbag filter layer, filter layer and the latter with different diameter particles, such as quartz sand, river sand, ceramsite, slag, etc. With powder repeated attached to theouter surface of the bag, powder layer continuous thickening, bag type dust collector resistance value increases; pulse valve diaphragm issued a directive, aroundsubmerged pulse valve is open, compressed air of high pressure gas package get through , if there is no dust or it is small to a certain extent , mechanical cleaning work will stop .



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