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 HC单机袋收尘器
来源:365bet体育在线官网 点击数:656次 更新时间:2018/4/3 10:54:47
详细简绍:

     
   一、概述Summary

      HC型单机袋收尘器是在吸收各方面特长,专为水泥工厂各种仓库、库顶、库底及各种物料输送设备等局部扬尘点的排尘浄化而设计的。它具有八十年代技术水平。这种收尘器设计有多种形式,既可单机使用,又可多机组合,大风量、小风量皆可选用。其特点是振打清灰揺摆装置清灰能力较强,在入口浓度较大,达100g/Nm³时,出口排放浓度100mg/Nm³,除尘效率可达99.9%。结构紧凑,体积小,高度低,可适于厂房内及设备上安装,也可室外安装。除水泥厂外,其他行业的局部扬尘点也可应用。本厂还可提供腐蚀和耐高温的结构,适应不同用户需要。

      HC Model unit bag filter absorbs the characteristics from the respective aspects. It is speclaily designed for the dust--removing & purfication in the partial flying-ash spots for various warehouse roofs and bottoms in the cement factories, various matter conveyance equipments and so on. It is of the advanced technologica1 level in the 1980s. Its design hao the multiple forms. lt may be used singly or by the form of a combination of the multi-machines either with large or small blast volume. Its feature is that the vibrating de-ashing swinging device has the strong de-ashing capability with fairly large inlet density (100g/Nm³). Its outlet exhaust density:100mg/Nm³. Its dust-removing efficiency reaches as high as 99.9% with compact structure,small bulk and low height. It is fit for mounting in the factory houses, the equipments,or the indoor installation. It may be applied in the partial flying-ash spots in other trades except the cement works. This plant also furnishes the anti-corrosion and heat-resistant constructions. lt suits the various clients needs.


      二、结构 Structure
      本单机袋收尘器由如下各部件组成:
     1.滤箱:包括壳体、花板、内滤式滤袋、挂袋钩和检修门。
     2.振打清灰揺摆装置:包括揺摆电机、连杆机构和揺摆轴等。
     3.风机部分:包括抽风机及皮帯传动装置、电机、出风管。
     4.进风及排灰部件:按安装形式分为三种
     A式:在滤箱下部接---灰斗和卸灰阀,并设有支柱。进风口设在灰斗上部。
     B式:滤箱下部敞开,作为进风口,又是排灰口,花板旁设法兰。
     C式:滤箱下部设--储灰箱,灰箱上部设进风口。

      HC model unit bag filter is composed of the following components:
      1.The filter box::including the casing,swage,inner filter type sock,bag hook,access door.
      2.The vibrating de-ashing swinging device::including the swinging motr,link mechanism,pendulum shafletc.
      3.The fan parts:inoluding the air ejectorfan fan,belt drive device,motor,exhaust pipe etc.
      4.lntake & ash exhaust parts: it is divided into three kinds according to the mounted form.
      A Type:lt is connected with an ash-pit and a dump valve in the lower part of the filter box with a prop.The intake opening is in the upper part of the hod.
      B Type:The lower part of the filter box is of the open form.lt acts either as the intake opening or as the ash outlet. There is flange beside the swage.
      C Type:there is a ash storage case in the lower part of the filter box. An intake opening has been set in the upper part of the ash case.

       三、工作原理The principle of operation
      1.过滤工况:含尘气体由进风口进入灰斗( A式)或灰箱( C式)或直接通过花板孔( B式)不同方式进入滤袋,粗颗粒粉尘由于重力作用和惰性沉降于灰斗、灰箱、仓内,细小粉尘被滤袋阻留于袋壁,净气通过滤袋流向出风管,被抽风机抽出而排入大气。

      2.清灰工况:随着过滤工况的进行,阻留于滤袋内的粉尘逐渐增加,气流通过的阻力也逐渐增大,当达到一定阻力值时(如1400pa),根据需要,可以手动或自动控制,首先关闭抽风机,再开启振打清灰揺摆装置振击滤袋进行清灰,振落袋内粉尘与尘饼。当阻力下降到一定値(如1000pa)时,由手动或自动停止清灰,重新启动抽风机,袋收尘器继续运行。
    
     1.The filter behaviour:the dust-laden gas enter into the ash-pit (A Type)or the case (C Type)through the intake opening; or directly comes into the filter-bag through the different methods of the swage hole (B type). The thick particle dust drops into the hod, ash case and the store because of the gravity action and the inertance. The thin powder-dust has been blocked by the sook into the sock-wall. The cleas air flows into the off-take pipe through the filter-bag, and being exhausted into the atmosphere by the air extractor.                                                                           

     2.The de-ashing behaviour:Following the implementation of the filter behaviour.the dust blocked in the filter-bag keeps increasing the resistance for the air current pass-through also expands graduallv. When it reaches to certain drag value (e.g1400Pa). it may be manually or automayically controlled according to the needs. First shut off the induced fan,then start the vibrating de-ashing swinging device to shock the socks and execute the de-ashing,make the dust in the bag falling. When the drag decreases to certain value(e.g.1000Pa). it manually or automatically stops the de-ashing,re-starts the air extractor and the dust allayer with bag runs again.

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