Constant-temperature and multi-stage waste gas treatment system
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A waste gas treatment, multi-stage technology, applied in the fields of environmental protection, biology, waste gas, petrochemical, adsorption, washing, can solve the problems of poor treatment effect of waste treatment system and inability to work normally in low temperature environment
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[0004] In order to solve the deficiencies in the prior art, the present invention provides a constant temperature, multi-stage waste gas treatment system, which solves the technical problems in the prior art that the waste treatment system has poor treatment effect and cannot work normally in a low temperature environment
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[0023] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.
[0024] Such as figure 1 As shown: this embodiment discloses a constant temperature, multi-stage exhaust gas treatment system: including a greenhouse 18 and a raw gas pipeline 2 connected in sequence in the greenhouse 18, a washing tower 5, a biological box 8, and a gas-liquid separation tank 12, The warm room 18 is also provided with a centrifugal fan 15 and several heaters 19. The centrifugal fan 15 is used to drive the gas to be processed to circulate in the system. The activated carbon adsorption box 13 is connected to the outside air. The lye circulation pump 7 of lye circulation.
[0025] In order to improve the effect of biological decomposition, the biological box 8 of this embodiment i...
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Abstract
The invention discloses a constant-temperature and multi-stage waste gas treatment system. The constant-temperature and multi-stage waste gas treatment system comprises a green house, and further comprises an original gas pipeline, a washing tower, a biobox and a gas-liquid separation tank which are arranged in the green house and sequentially connected; and a centrifugal fan and a plurality of heaters are further arranged in the green house, the centrifugal fan is used for driving treated gas to circulate in the system, an activated carbon adsorption box communicates with outside air, and thewashing tower is provided with an alkali liquor circulating pump used for driving alkali liquor in the washing tower to circulate. The heaters of the constant-temperature and multi-stage waste gas treatment system provide the proper temperature environment for the constant-temperature and multi-stage waste gas treatment system, normal work of all links in the constant-temperature and multi-stagewaste gas treatment system is ensured, it is especially ensured that microorganisms can be in the appropriate environment, and favorable external conditions are provided for biological decomposition of the microorganisms. Waste gas is sequentially subjected to a washing stage, a biodegradation stage and an adsorbing stage, wherein the washing stage is provided with PH value monitoring points, it is ensured that the microorganisms operate reliably and stably at the later stage, the retention time of the waste gas in the biological stage is relatively long, and qualified emission of the gas is ensured through the adsorbing stage.
Description
technical field [0001] The invention relates to the fields of waste gas, washing, biology, adsorption, petrochemical, and environmental protection, and in particular to a constant-temperature, multi-stage waste gas treatment system. Background technique [0002] At present, major petrochemical plants, refineries, coking plants, oil storage depots, etc. have sewage treatment plants, buffer tanks, inclined plate degreasing rooms, air flotation rooms, coagulation tanks, flocculation tanks, new air flotation tanks, A The malodorous waste gas from the / O pool, sludge treatment facilities, etc. needs to be collected in a closed manner and then treated by the waste gas treatment device before it can be discharged up to the standard. The actual non-methane total hydrocarbon concentration of this kind of malodorous waste gas is low, and the main components are: sulfide, benzene series , ammonia, etc., commonly used treatment processes include incineration, washing, plasma, photocatal...
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