捕鱼大作战

Cement plant kiln tail dust collection renovation-Novo environmental protection equipment

诺和布袋除尘器
  • 布袋除尘器多种行业解决方案
  • 除尘布袋厂家直销

Dust collection and reconstruction of kiln tail of cement plant

The original design of the dust collection at the kiln tail of the Panjiang Cement Plant in Yunnan used an electric dust collector . Due to the low dust collection efficiency of the electric dust collector, it has been unable to meet the new standard emission requirements. Therefore, we switched to a bag-type Dust collector.

Because this system is a kiln-mill combination system, the raw material grinding on and off has a great influence on the flue gas characteristics of the bag dust collector inlet. When the raw material mill is started, the flue gas temperature is 150% and the dust concentration is 160g / m3. When the mill is stopped, the flue gas temperature is 180%, and the dust concentration is 80g / m3.

Bag dust collector design instructions
(1) Floor area of bag dust collector: length × width = 15000mm × 11000mm, which is consistent with the basic size of the original electric dust collector.
(2) The maximum air volume of the bag dust collector can reach 360 000m3 / h. In actual use, the filtering wind speed of the dust collector is lower than 1.0m / min for a long time, which is very beneficial to reduce the resistance of the dust collector and increase the life of the filter bag .
(3) The filter bag is made of the new type FMS9806 high-temperature needle felt felt, which can withstand temperatures up to 260. It operates at low filtration wind speed and has a service life of more than 2 years.
(4) Due to the requirements of the manufacturer, ASCO 2 inch right-angle valve is used as the pulse valve . The valve has high resistance. It is recommended to use a submerged pulse valve if conditions permit.
      With the continuous progress of bag dust collection technology, bag dust collectors have been widely used in every link in the cement production process, and they can fully meet the national emission requirements. In order to make the cement industry a sustainable industry, we must adopt mature industrial science and technology to reduce energy consumption, improve cement quality, and
Environmental pollution.

Flue gas characteristic name

Exhaust gas from humidification tower

Tail discharge drying mill

3 /h) Flue gas volume (m 3 / h)

300000

105000 (circulating wind)

Flue gas temperature ( )

150-180

 

Moisture (v%)

6-8

<5

3 Dust concentration (g / m 3 )

<80

670

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