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袋式除尘器工作原理的详细介绍

作者:布袋除尘器生产厂家 文章来源:www.sdxhyhbgc.com 时间:2020-07-15885次浏览

信息摘要:

布袋式除尘器是这种干试除尘器原理设备.它适用收集细微、干躁、非化学纤维性烟尘

布袋式除尘器是这种干试除尘器原理设备.它适用收集细微、干躁、非化学纤维性烟尘.除尘布袋选用纺织品的压滤机滤布或式纺织品的毡做成,运用纤维材料的过虑功效对烟尘汽体开展过虑,当烟尘汽体进到布袋除尘器后,颗粒物大、比重特大的烟尘,由,含有较细小粉尘的气体在通过滤料时,粉尘被阻留,使气体得到净化.

Cloth bag filter is the principle equipment of this dry test dust collector. It is suitable for collecting fine, dry and non-chemical fibre dust. Cloth bag is made of filter cloth of textile press or felt of textile. It uses the over-consideration effect of fibre material to over-consider the smoke and dust vapor. When the smoke and dust vapor enters the bag filter, the smoke and dust with large particle size and specific gravity contain relatively small dust. When the gas passes through the filter material, the dust is blocked and the gas is purified.



袋式除尘器高的除尘效率是与它的除尘机理分不开的.含尘气体由除尘器下部进气管道,经导流板进入灰斗时,由于导流板的碰撞和气体速度的降低等作用,粗粒粉尘将落入灰斗中,其余细小颗粒粉尘随气体进入滤袋室,由于滤料纤维及织物的惯性、扩散、阻隔、钩挂、静电等作用,粉尘被阻留在滤袋内,净化后的气体逸出袋外,经排气管排出.

The high dust removal efficiency of bag filter is inseparable from its dust removal mechanism.When dust-containing gas enters the hopper through the lower intake pipe of the dust collector through the guide plate,coarse dust will fall into the hopper due to the impact of the guide plate and the reduction of gas velocity.The remaining fine dust will enter the bag chamber with the gas,due to the inertia,diffusion,barrier,hooking and quietness of the filter material fibers and fabrics. Electric and other functions, dust is blocked in the filter bag, the purified gas escapes out of the bag and is discharged through the exhaust pipe.



除尘布袋上的积尘用汽体逆洗法除去,消除出来的烟尘放到料仓,经两层星型卸料器排在输灰设备.除尘布袋上的积尘还可以选用煤气发生炉单脉冲气旋的方式 除去,进而超过除灰的目地,消除出来的烟尘由输灰设备排出去.袋式除尘器的除尘效率高也是与滤料分不开的,滤料性能和质量的好坏,直接关系到袋式除尘器性能的好坏和使用寿命的长短.而过滤材料是制作滤袋的主要材料,它的性能和质量是促进袋式除尘技术进步,影响其应用范围和使用寿命.

The dust deposited on the bag can be removed by steam reverse washing method, and the dust removed is put into the silo and discharged into the dust conveying equipment by two-layer star unloader. The dust deposited on the bag can also be removed by single pulse cyclone of the gas generator, and then the dust removed is discharged by the dust conveying equipment beyond the purpose of dust removal. The high dust removal efficiency of the bag filter is also inseparable from the filter material. The performance and quality of filter material are directly related to the performance and service life of bag filter, and the filter material is the main material for making filter bag. Its performance and quality are to promote the technological progress of bag filter and affect its application scope and service life.



过虑式除灰设备包含布袋除尘器和颗粒物层除尘设备,前面一种一般运用有机纤维或无机物纤维材料制成的除尘布袋作过虑层,而后面一种的过虑层多选用不一样粒度的颗粒物,如石英沙、河沙、陶粒砂、粉煤灰等构成.伴着粉末状反复的粘附于除尘布袋外表层,,布袋除尘器阻力值也随之增大;脉冲阀膜片发出指令,左右淹没时脉冲阀开启,高压气包内的压缩空气通了,如果没有灰尘了或是小到一定的程度了,机械清灰工作会停止工作.

Over-consideration dust removal equipment includes bag dust collector and particulate layer dust removal equipment. The former one is a dust removal bag made of organic fibers or inorganic fibers, while the latter one is composed of particulate matter with different particle sizes, such as quartz sand, River sand, ceramics sand, fly ash, etc. The resistance value of the dust remover also increases; the pulse valve diaphragm sends out a command, when the left and right submergence, the pulse valve is opened, and the compressed air in the high-pressure air bag is connected. If there is no dust or it is small to a certain extent, the mechanical dust removal will stop working.

底压单脉冲布袋除尘器的净化气体方法为外滤式,烟尘汽体由挡水板管进到各模块过虑室,因为设计方案中除尘布袋底离进气口上口垂直距离有充足、有效的气旋根据适度挡水板和大自然流入遍布,超过全部过虑室内空气质量遍布匀称,含尘气体中的颗粒粉尘通过自然沉降分离后直接落入灰斗,其余粉尘在导流系统的引导下,随气流进入中箱体过滤区,吸附在滤袋外表面.过滤后的洁净气体透过滤袋经上箱体、排风管排出.

The method of purifying gas of bottom pressure single pulse bag filter is external filter type. The smoke and dust vapor body enters into each module's mistake chamber from the baffle tube. Because in the design scheme, there are sufficient and effective cyclones which flow into the whole area according to the appropriate baffle and nature, and the indoor air quality is more uniform than that of all over consideration. Particle dust in the dusty gas is deposited naturally. After descending and separating, the dust falls directly into the ash hopper, and the rest of the dust enters the filter area of the middle box with the air flow guided by the diversion system, and adsorbs on the outside surface of the filter bag. The filtered clean gas is discharged through the upper box and the exhaust duct through the filter bag.

除尘布袋选用空气压缩开展煤气发生炉除灰,除灰组织由气包、喷锅炉吹管和电磁脉冲调压阀等构成.过虑房间内每行除尘布袋出入口顶端装配线有一条喷锅炉吹管,喷锅炉吹管下侧正对除尘布袋管理中心下设喷吹口,每根喷锅炉吹管上均下设1个脉冲电磁阀并与空气压缩气包互通清灰时,电磁阀打开脉冲阀,压缩空气经喷由清灰控制装置(差压或定时、手动控制)按设定程序打开电磁脉冲喷吹,压缩气体以极短促的时间按次序通过各个脉冲阀经喷吹管上的喷嘴诱导数倍于喷射气量的空气进入滤袋,形成空气波,使滤袋由袋口至底部产生急剧的膨胀和冲击振动,造成很强的清灰作用,抖落滤袋上的粉尘. [3]http://www.sdxhyhbgc.com

Air compression is used to carry out the dust removal of gas producer. The dust removal organization is composed of air bag, blower pipe of spraying boiler and electromagnetic pulse pressure regulating valve. Considering that there is a blower nozzle at the top of the assembly line of each row of dust removal bag entrance and exit in the room, the lower side of the blower pipe of spraying boiler is directly opposite to the blower bag management center, and there is a pulse electromagnetic valve on each blower pipe of spraying boiler and air pressure. When the air compressor is exchanged with each other for ash cleaning, the solenoid valve opens the pulse valve, and the compressed air is sprayed by the dust cleaning control device (differential pressure or timing, manual control) to open the electromagnetic pulse injection according to the set procedure. The compressed gas is induced into the filter bag in a very short time sequence through the nozzles on the injection tube of each pulse valve, and the air wave is formed, which causes the filter bag to be urgent from the bag mouth to the bottom. Intense expansion and shock vibration, resulting in a strong dust removal effect, shake off the dust on the filter bag. [3] http://www.sdxhyhbgc.com


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