布袋除塵器是一種除塵裝置，它利用粉塵的物理特性去除粉塵，凈化含塵氣體。 布袋的主要材料是紡織濾布和無紡氈。 當(dāng)包含灰塵的空氣進入布袋除塵器時，具有較大顆粒和比重的灰塵將因自身重力而沉降，并且較細(xì)的灰塵會通過布袋進行過濾。 物料將被阻塞，空氣將被凈化。布袋除塵器通常用于各種鋼鐵廠，鐵廠和焦化廠。

A bag filter is a dust removal device that utilizes the physical properties of dust to remove dust and purify dusty gases. The main materials for cloth bags are textile filter cloth and non-woven felt. When air containing dust enters the bag filter, dust with larger particles and specific gravity will settle due to its own gravity, and finer dust will be filtered through the bag. The material will be blocked and the air will be purified. Bag filters are commonly used in various steel, iron, and coking plants.

布袋除塵器除塵效果的影響因素：

Factors affecting the dust removal efficiency of bag filters:

（1）除塵布袋的材料和型號，布袋除塵器的主要組成部分是布袋。布袋材料的選擇和型號的選擇會影響集塵器的除塵效果和布袋的使用壽命。 布袋的質(zhì)量越好，使用壽命越長，除塵效果越好。 空氣中灰塵的性質(zhì)和速度會影響袋子的使用效果和壽命。部分灰塵的形狀和大小不規(guī)則，較細(xì)的灰塵不易受到集塵器的影響。 新布袋的網(wǎng)眼較大，除塵效果不明顯。 僅在袋式集塵器使用了一段時間后，袋表面上的灰塵才更容易攔截細(xì)小灰塵，從而提高了集塵器的除塵效果。其次，當(dāng)空氣中的灰塵被負(fù)壓吸入集塵器時，由于高速會影響布袋。 持久的沖擊將繼續(xù)磨損袋子，因此袋子的使用壽命將大大降低。同時，由于快速運動，一部分灰塵容易從孔中沖出，降低了集塵器的除塵率。如果錯誤地選擇了布袋的型號，則布袋和龍骨會與龍骨松散結(jié)合，會大大降低集塵器的效率，甚會出現(xiàn)更嚴(yán)重的問題。在小型皮帶和大型皮帶的情況下，使用一段時間的除塵器可能會將袋子掉落，甚散發(fā)出黑煙。

(1) The material and model of the dust removal bag, and the main component of the bag filter is the bag. The selection of bag material and model will affect the dust removal effect of the dust collector and the service life of the bag. The better the quality of the cloth bag, the longer its service life, and the better the dust removal effect. The nature and speed of dust in the air can affect the effectiveness and lifespan of bags. The shape and size of some dust are irregular, and finer dust is not easily affected by the dust collector. The mesh of the new cloth bag is relatively large, and the dust removal effect is not significant. Only after using the bag filter for a period of time, the dust on the surface of the bag is easier to intercept small dust, thereby improving the dust removal efficiency of the filter. Secondly, when the dust in the air is sucked into the dust collector under negative pressure, the high speed will affect the cloth bag. The prolonged impact will continue to wear and tear the bag, thus greatly reducing its lifespan. Meanwhile, due to rapid movement, some dust is easily flushed out of the hole, reducing the dust removal rate of the dust collector. If the wrong model of the bag is chosen, the bag and keel will loosely combine with the keel, greatly reducing the efficiency of the dust collector and even causing more serious problems. In the case of small and large belts, using a dust collector for a period of time may cause the bag to fall off and even emit black smoke.

（2）背吹系統(tǒng)的影響，大多數(shù)布袋除塵器采用脈沖式背吹背吹系統(tǒng)，可以為集塵器的運行提供保護。 脈沖反吹是通過反吹空氣原理進行的，可以在很大程度上除去灰塵，但是仍然存在許多缺點。在反吹系統(tǒng)運行期間，由于過度的振動，反吹管通常沒有緊密連接，掉落或零件松動。 除塵系統(tǒng)的壓差的持續(xù)增加導(dǎo)致除塵效果大大降低。 其次，脈沖反吹利用空氣壓縮來保護脈沖除塵操作。 如果空氣壓縮不及時或停止，很容易造成較大的壓力差，這會對集塵袋造成嚴(yán)重影響。 同時，如果空氣中水汽較多，布袋會變濕，影響布袋的透氣性，布袋的透氣性會降低，從而加速磨損 布袋的使用壽命，并降低布袋的使用壽命。 電磁閥在水蒸氣的影響下將無法正常工作，并且將無法正?？刂泼}沖閥和離線閥，從而降低了除塵效果。脈沖反吹的操作也需要根據(jù)環(huán)境和生產(chǎn)情況進行調(diào)整，只有適當(dāng)?shù)牟僮鞑拍墚a(chǎn)生良好的效果。

(2) The impact of back blowing system, most bag filters adopt pulse back blowing back blowing system, which can provide protection for the operation of the dust collector. Pulse backwashing is carried out through the principle of backwashing air, which can greatly remove dust, but there are still many drawbacks. During the operation of the blowback system, due to excessive vibration, the blowback pipe is usually not tightly connected, falls off, or parts become loose. The continuous increase in pressure difference of the dust removal system leads to a significant decrease in the dust removal efficiency. Secondly, pulse back blowing utilizes air compression to protect pulse dust removal operations. If air compression is not timely or stopped, it is easy to cause a significant pressure difference, which will have a serious impact on the dust collection bag. At the same time, if there is a lot of water vapor in the air, the cloth bag will become wet, affecting its breathability. The breathability of the cloth bag will be reduced, which will accelerate the wear and tear of the cloth bag and reduce its service life. The electromagnetic valve will not function properly under the influence of water vapor, and will not be able to control the pulse valve and offline valve properly, thereby reducing the dust removal effect. The operation of pulse blowback also needs to be adjusted according to the environment and production situation, and only appropriate operation can produce good results.

（3）集塵器外殼的密封件和除塵點。影響除塵效果的重要因素是集塵器外殼的密封和除塵點。布袋除塵器在使用過程中通常處于負(fù)壓狀態(tài)。 如果空氣泄漏過多，會導(dǎo)致氣體回路短路，從而減少除塵系統(tǒng)的風(fēng)量并產(chǎn)生灰塵，并降低集塵器的除塵效率。

(3) Sealing components and dust removal points of the dust collector housing. The important factors affecting the dust removal effect are the sealing of the dust collector shell and the dust removal point. Bag filters are usually in a negative pressure state during use. If there is too much air leakage, it can cause a short circuit in the gas circuit, thereby reducing the air volume of the dust removal system and generating dust, and reducing the dust removal efficiency of the dust collector.

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