Method and device for treating exhaust gas of styrene-butadiene rubber drying oven
A technology for styrene-butadiene rubber and a treatment method, which is applied in separation methods, chemical instruments and methods, and air quality improvement, etc., can solve the problems of large fluctuation range, high styrene concentration, and high temperature, and achieve the effect of saving energy
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[0033] Example 1
[0034] 200,000 m of exhaust gas from styrene butadiene rubber drying oven 3 / h, temperature 50℃, humidity 95%, non-methane total hydrocarbon content 800mg / m 3 ,press figure 1 The process is processed. The exhaust gas transmission power of the styrene-butadiene rubber drying box comes from the blower, which enters from the middle of the spray cooling tower 10 through the air inlet pipe 9. The circulating pump is used to pressurize the 25℃ cooling water to the top of the tower through the circulating water pipe II 11. Ⅰ 12 is sprayed from the top down, the temperature of the exhaust gas drops to 38℃, and the water storage tank 13 at the bottom of the spray cooling tower 10 is 300m 3 , The circulation of cooling water is 5000m 3 / h. The exhaust gas volume after cooling is 180,000 m 3 / h, the circulating water volume increases by 9m after the water vapor becomes condensed water 3 / h, this part of the excess water and the rubber particles that fall on the surface o...
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[0035] Example 2
[0036] 180,000 m of exhaust gas from styrene butadiene rubber drying oven 3 / h, temperature 45℃, humidity 90%, non-methane total hydrocarbon content 400mg / m 3 ,press figure 1 The process is processed. The exhaust gas transmission power of the styrene-butadiene rubber drying box comes from the blower, which enters from the middle of the spray cooling tower 10 through the air inlet pipe 9. The circulating pump is used to pressurize the 25℃ cooling water to the top of the tower through the circulating water pipe II 11. Ⅰ 12 Spray from the top downwards, the temperature of the exhaust gas drops to 36℃, and the water storage tank 13 at the bottom of the cooling tower 10 is 300m. 3 , The circulation of cooling water is 4000m 3 / h. The amount of exhaust gas after cooling is about 170,000 m 3 / h, the circulating water volume increases by about 7m after the water vapor becomes condensed water 3 / h, this part of the excess water and the rubber particles that fall on the...
Example Embodiment
[0037] Example 3
[0038] 180,000 m of exhaust gas from styrene butadiene rubber drying oven 3 / h, temperature 45℃, humidity 90%, non-methane total hydrocarbon content 60mg / m 3 ,press figure 1 The process is processed. The exhaust gas transmission power of the styrene-butadiene rubber drying box comes from the blower, which enters from the middle of the spray cooling tower 10 through the air inlet pipe 9. The circulating pump is used to pressurize the 25℃ cooling water to the top of the tower through the circulating water pipe II 11. Ⅰ 12 Spray from the top downwards, the temperature of the exhaust gas drops to 36℃, and the water storage tank 13 at the bottom of the cooling tower 10 is 300m. 3 , The circulation of cooling water is 4000m 3 / h. The amount of exhaust gas after cooling is about 170,000 m 3 / h, the circulating water volume increases by about 7m after the water vapor becomes condensed water 3 / h, this part of the excess water and the rubber particles that fall on the ...
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