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  • 各种粉尘在除尘管道中内需最低的风速
  • 本站编辑:杭州方鼎机电设备有限公司发布日期:2018-04-20 09:11 浏览次数:

生产车间粉尘处理系统工程中,设计及选型根据是需要根据车间实际粉尘扬尘点的数量和情况布置; 根据粉尘扬尘点的扬尘颗粒的大小和粉尘浓度来选择不同的粉尘处理系统,处理粉尘设备包括:脉冲布袋除尘器,旋风除尘器,电除尘器,废气净化塔等。

In the production workshop dust treatment system engineering, the design and selection are based on the quantity and condition of the dust point of the actual dust in the workshop. According to the dust particle size and dust concentration of the dust dust dust point, different dust treatment systems are selected. The dust removal equipment includes the pulse bag dust collector and the cyclone dust collector. Electrostatic precipitator, exhaust gas purification tower and so on.

各种粉尘处理系统一般都是采用吸风罩将各扬尘点含有粉尘的气体汇总吸入除尘器体后,部分粉尘沉降,部分轻微粉尘浮动时被滤袋或旋流水浴阻留等,各种除尘器设备都都有不同的净化效果和优缺点,生产车间产生的粉尘在高压风机的作用下,透过除尘管道进入上粉尘处理设备箱体,经处理设备处理后,从而达到出气口排出,达到粉尘净化的目的。在吸风罩将含尘气体汇总吸收除尘设备体过程中,需要除尘管道输送,以下附表是生产车间粉尘处理在除尘管道中内需最低的风速。以上风速为最低风速,如果低于这个风速,容易造成粉尘沉积。若高于这个风速太多,虽然能降低管道费用,但管道的磨损及设备阻力会增加很多,因此在选用的时候要注意平衡。

All kinds of dust treatment systems are generally adopted by suction hood to collect the dust containing dust in the dust collector, part of the dust settlement, some dust floating by the filter bag or spin water bath resistance, all kinds of dust remover equipment have different purification effects and advantages and disadvantages, the dust produced in the production workshop Under the action of the high pressure fan, the dust removal pipe is entered into the box of the upper dust treatment equipment. After processing the equipment, the air outlet is discharged to achieve the purpose of dust purification. In the process of collecting dust and dust collecting equipment by the suction hood, the dust collection pipeline is needed. The following table is the lowest internal wind speed in the dust removal pipe of the production workshop. The above wind speed is the lowest wind speed, if it is lower than this wind speed, it is easy to cause dust deposition. If higher than this wind speed, although it can reduce the cost of the pipeline, but the pipe wear and equipment resistance will increase a lot, so the choice of attention to balance when selected.


 

粉尘种类/Type of dust

垂直管(m/s)

水平管(m/s)

粉尘种类/Type of dust

垂直管(m/s)

水平管(m/s)

粉状黏土和砂/Powdery clay and sand

11

13

土细粉/Soil fine powder

11

13

耐火泥/Refractory mud

14

17

湿土(20%)/Wet soil

15

18

黏土/Clay

13

16

钢、铁尘木/Steel and iron dust wood

15

18

重矿粉尘/Heavy mineral dust

16-18

18-23

水泥粉土/Cement silt

8-12

18-22

轻矿粉尘/Light ore dust

12

14

石棉粉土/Asbestos silt

8-12

16-18

煤灰/Coal ash

10

12

锯屑、刨屑/Sawdust, shavings

12

14

钢、铁屑/Steel and iron

19

23

大块干木屑/Chunk of dry wood

12

15

灰土和砂尘/Lime soil and sand dust

16

18

大块湿木屑/Large wet wood chips

18

20

干微尘/Dry dust

8

10

氧化锌、铝烟尘/Zinc Oxide and aluminum dust

7-10

12-14

染料粉尘/Dyestuff dust

14-16

16-18

谷物尘/Grain dust

10

12

砂子、铸模土/Sand and mold soil

17

20

麻、短纤维尘/Hemp and short fiber dust

18

12


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