喷砂房的除尘设备很重要吗,会有什么影响?

2025-04-05 18:14:51
推荐回答(3个)
回答1:

宏辰喷砂房还有另外一个部分不得不说,就是除尘系统。在整个喷砂房里,除尘系统还是很重要的,根据不同的房体大小来选择除尘器的规格和除尘风机的大小,如果不配置除尘器或者除尘器配置的太小的话,直接导致喷砂房体内的粉尘滞留,影响喷砂工人的视线,无法判断工件是否喷砂清理干净。

回答2:

砂料回收风机在从蜂窝地板收集砂尘进入分砂器内进行砂尘风选分离处理的同时,也将一部分没有用的尘埃吸入滤芯除尘收集处理,干净空气排到大气中。

回答3:

袋式除尘器适用于捕集非粘结、非纤维性的粉尘,处理初浓度为0.001-1000g/ m3,粒径为0.1-200μm。青岛纽森特铸造机械有限公司抛丸清理机除尘风量、过滤材料和常用除尘器计算选型如下。

l 除尘风量

1、按室体水平断面风速计算:
Q=3600v.F (m3/h)
其中:v—断面风速,一般为0.25—0.3m/s
F—断面积
2、按室体容积计算:
Q=2500 V ½ (m3/h)
V—容积
3、按室体水平面积计算:
Q=1000F (m3/h)
取平均值: Q=(Q1+Q2+Q3)/3
Q总=1.5Q
4、按抛丸器数量计算:
Q=3500+2500(n+1)
若为通过式,Q总=1.3Q (保证进风口风速1.5m/s)
若为封闭式,Q总=(1.1—1.5)Q
⑴、 除尘器风量选择应大于整机总风量的10—15%;
⑵、 风机风压选择应大于室体、分离器、提升机、管道、除尘器阻力之和的15—20%;
⑶、 除尘管道风速宜选用18—22m/s,除尘器后的管道风速宜选用8—14m/s。

l 过滤材料
1、 除尘效率:如选用二维机织滤料,除尘效率》99.2%
如选用三维针刺毡滤料,除尘效率》99.6%
如选用微孔薄膜复合滤料,除尘效率》99.9%
2、 设备阻力:800-1600Mpa
具体控制范围应视尘气性状、滤料选配、过滤风速大小以及主风机特性在除尘系统试运转时调定。
3、 滤料选用
对常温尘气以及不超过120℃的中温烟气选用聚酯纤维滤料,常用的有208涤纶布、729缎纹织物滤料、针刺毡滤料
对高于120℃低于200℃的高温烟气选用芳香族聚酰胺纤维滤料,常用的有诺梅克斯(NOMEX)以及美塔斯芳伦针刺毡滤料
对排放要求高、含尘气体湿度大,宜选用各种不同织物基布的微孔薄膜复合滤料
4、 过滤风速
对于颗粒细、浓度高、粘度大、湿度高的含尘气体宜按低档负荷选取,V=1-2m/min
对于颗粒粗、浓度低、粘度小、常温的含尘气体宜按高档负荷选取,V=2-3/min
5、 过滤面积计算
F=L/60V (m2)
L——处理风量(m3/h)
V——过滤风速(m/min)
6、 入口含尘浓度
通常入口含尘浓度不宜超过30g/m3,对颗粒大的含尘气体可以酌情放宽,如超过此值,建议前置一级旋风除尘器。

l 常用除尘器

1、 MC24-120型脉冲袋式除尘器
MC24 MC36 MC48 MC60 MC72 MC84 MC96 MC120
过滤面积
18 27 36 45 54 63 72 90
滤袋数量
24 36 48 60 72 84 96 120
2、 ZC型回转反吹扁袋式除尘器
型 号 过滤面积 过滤面积 袋长 袋数
(公称) (实际)
24ZC200 40 38 2m 24
24ZC300 60 57 3m 24
24ZC400 80 76 4m 24
72ZC200 110 114 2m 72
72ZC300 170 170 3m 72
72ZC400 230 228 4m 72
144ZC200 340 340 3m 144
144ZC300 450 455 4m 144
144ZC400 570 569 5m 144

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