Treatment device and method for coating waste gas
A waste gas and coating technology, which is applied in separation methods, chemical instruments and methods, and dispersed particle separation, can solve the problems of low purification rate and low recovery rate, improve the recovery rate of absorbents, reduce operating costs, and equipment investment low effect
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[0027] Example 1:
[0028] A coating waste gas treatment method includes the following steps:
[0029] (1) Add absorbent silicone oil at a temperature of 20°C into the liquid storage tank 6;
[0030] (2) The absorbent silicone oil in the liquid storage tank 6 is entered into the membrane absorber 4 from the shell side inlet of the membrane absorber 4 through the constant flow pump 7 through the liquid flow controller 8; the membrane module in the membrane absorber 4 is adopted Hydrophobic polypropylene hollow fiber membrane, the packing factor is 0.4, the porosity is 0.5, and the pressure difference between the gas and liquid phases on both sides of the membrane is 0.03Mpa;
[0031] (3) Set the concentration to 300mg / m 3 , The flow rate is 10m 3 / h, after the coating waste gas with a temperature of 40℃ is cooled by the filter 1, it enters the tube pass of the membrane absorber 4 by the fan 2 through the gas flow controller 3, and the waste gas passes through the fiber membran...
Example Embodiment
[0034] Example 2
[0035] A coating waste gas treatment method includes the following steps:
[0036] (1) Add absorbent diesel-water at a temperature of 25°C into the liquid storage tank 6;
[0037] (2) The absorbent diesel-water in the liquid storage tank 6 enters the membrane absorber 4 from the shell side inlet of the membrane absorber 4 through the constant flow pump 7 through the liquid flow controller 8; the membrane module in the membrane absorber 4 is adopted Hydrophobic polypropylene hollow fiber membrane, the packing factor is 0.4, the porosity is 0.5, and the pressure difference between the gas and liquid phases on both sides of the membrane is 0.005Mpa;
[0038] (3) Set the concentration to 100mg / m 3 , The flow rate is 8m 3 / h, after the coating waste gas with a temperature of 20℃ is cooled by the filter 1, the fan 2 enters the tube pass of the membrane absorber 4 through the gas flow controller 3, and the waste gas passes through the fiber membrane and is absorbed by ...
Example Embodiment
[0041] Example 3
[0042] A coating waste gas treatment method includes the following steps:
[0043] (1) Add F-BDO absorbent and SD-VOC at a temperature of 10℃ into the liquid storage tank 6. Polymer absorbent;
[0044] (2) Combine the F-BDO absorbent and SD-VOC in the storage tank 6 The polymer absorbent enters the membrane absorber 4 from the shell side inlet of the membrane absorber 4 through the constant flow pump 7 through the liquid flow controller 8; the membrane module in the membrane absorber 4 uses hydrophobic polypropylene hollow fiber membranes, and the filling factor is 0.4, the void ratio is 0.5, the pressure difference between the gas and liquid phases on both sides of the membrane is 0.01Mpa; the membrane absorber 4 adopts two stages in series;
[0045] (3) Set the concentration to 50mg / m 3 , The flow rate is 6m 3 / h, after the coating waste gas with a temperature of 30℃ is cooled by the filter 1, it enters the tube pass of the membrane absorber 4 by the fan 2 t...
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