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了解粉尘性质,正确使用美高梅在线登录网址除尘设备

文章发布: 发表时间: 2017-04-25 10:20:23

(1) 附着性和凝集性。附着性和凝集性粉尘进入美高梅在线登录网址除尘设备,粉尘稍经凝集就会颗粒变大,堆积于滤袋外表的粉尘在被抖落的过程中,也能继续进行凝集,清灰效能和通过滤料的粉尘量也与粉尘的附着性和凝集性有关。
(1) adhesion and aggregation. The adhesion and aggregation of the dust into the dust environmental protection equipment, dust particles will change slightly by agglutination, the accumulation in the appearance of the dust in the bag to be shaken off in the process, also can continue to carry out cleaning effectiveness and agglutination, by the amount of dust filter and dust adhesion and aggregation of.
因而,规划时对附着性和凝集性十分显著的粉尘,或许几乎没有附着性和凝集性粉尘,有必要按粉尘品种、用处的纷歧样,依据规划经历采纳纷歧样的处理办法。
Therefore, the dust is very significant for the adhesion and aggregation of the plan, perhaps almost no adhesion and aggregation of dust, it is necessary to use dust varieties, different, according to the planning experiences and adopt different treatment measures.
(2) 粒径。粒径散布对美高梅在线登录网址除尘设备的首要影响是阻力丢失和磨损。微细粉尘对压力丢失影响比较大,粗粒粉尘对磨损起决定性效果,但只要进口含尘浓度高和硬度大的颗粒,其影响才比较大。
(2) particle size. The primary influence of particle size distribution on environmental protection dust removal equipment is the loss of resistance and wear. The effect of fine dust on the pressure loss is relatively large, coarse particles on the wear of decisive effect, but as long as the import of high dust concentration and hardness of the particles, the impact is relatively large.
(3) 粒子形状。通常以为,针状结晶粒子和薄片状粒子简单阻塞滤料的孔隙,下降除尘效率。能够凝集成絮状物的纤维状粒子,若采纳很高的过滤速度,就很难从滤料外表掉落,规划时按粒子状及特性挑选纷歧样的过滤风速。
(3) particle shape. It is generally believed that the needle like crystal particles and flaky particles simply block the pores of the filter material, reducing the dust removal efficiency. Particles can be aggregated into floc particles, if adopted a high filtration rate, it is difficult to drop from the surface of the filter, according to the particle shape and characteristics of the selection of different types of filtration speed.
?(4) 粒子的密度。粉尘的堆积密度与粒径、凝集性、附着性有关,也与布袋除尘器的阻力丢失、过滤面积有关。堆积密度越小,清灰越艰难,规划时要挑选较低过滤风速。此外,粉尘的堆积密度对选定除尘器灰斗及排灰设备才能至关重要。
(4) the density of particles. The bulk density of dust is related to particle size, agglutination and adhesion, as well as the loss of resistance and filtration area. The smaller the bulk density, the more difficult the ash removal, the lower the filtration speed. In addition, the bulk density of the selected dust precipitator hopper and critical equipment to ash.
(5) 吸湿性和潮解性。吸湿性和潮解性强的粉尘,在美高梅在线登录网址除尘设备工作过程中,很简单在滤料外表上吸湿而固化,或遇水潮解而成为稠状物,形成清灰艰难、设备阻力增大,以至影响除尘器正常工作。例如对富含KCl、MgCl2、NaCl、CaO等强潮解性物质的粉尘, 要采纳必要的技术办法。
(5) moisture absorption and deliquescence. Moisture absorption and deliquescence of dust, dust removal equipment in the environmental protection work in the process is very simple in appearance and material moisture curing, water or deliquescence and become sticky, cleaning equipment, difficult to form resistance increases, and even affect the normal work of dust collector. For example, MgCl2, NaCl, KCl rich CaO strong deliquescent material dust, to adopt necessary measures.
(6) 静电性。简单带电的粉尘在滤料上一旦发生静电,就不易掉落,对十分简单带电的粉尘,有必要选用防静电滤料等技术办法,以避免因静电发生火花而导致爆破。
(6) electrostatic. Simple dust charged in the filter on the event is static, not easy to fall off, the dust is very simple to live, it is necessary to use the technology to antistatic filter material, in order to avoid explosion caused by electrostatic spark.
(7) 可燃性。对于可燃性粉尘,尽管纷歧定都导致爆破,但如美高梅在线登录网址除尘设备前的工艺流程中呈现火花,且能进入除尘器内时,就应选用防爆办法,如增设火花捕集器、设防爆门等。
(7) flammability. For combustible dust, despite the divergent capital lead to blasting, but as presented in the process of spark dust environmental protection equipment before, and can enter the collector, it should use explosion-proof measures, such as adding spark collector, explosion-proof door etc..

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