An industrial waste liquid treatment system and method based on carrier gas extraction low-temperature mass transfer
An industrial waste liquid and treatment system technology, applied in the direction of gas treatment, separation methods, special treatment targets, etc., can solve the problems of poor treatment effect, high cost, high energy consumption, etc., to achieve reduced temperature difference, uniform liquid distribution, and liquid retention A large amount of effect
Active Publication Date: 2022-04-01
UNIV OF SHANGHAI FOR SCI & TECH
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Problems solved by technology
[0003] The present invention aims to solve the problems of poor treatment effect, high energy consumption, and high cost of difficult waste liquid in the current industrial field, and provides an industrial waste liquid treatment system and method based on carrier gas extraction and low-temperature mass transfer. The equipment layout is flexible and can Under lower temperature conditions (below 50°C), air is used as a mass transfer medium to realize the migration of water in industrial waste liquid. The system operates under normal pressure, which is suitable for the treatment of liquids that are easy to crystallize, scale, and corrode, and greatly reduce A series of pretreatment processes such as sedimentation, oil removal, and pH adjustment required for conventional waste liquid disposal
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[0025] The technical solution adopted by the present invention will be further described below in combination with schematic diagrams.
[0026] Such as figure 1 , an industrial waste liquid treatment system based on carrier gas extraction low temperature mass transfer (hereinafter referred to as "the system"), which includes: absorber 100, resolver 200, air circulation system, liquid circulation system and heat pump system.
[0027] from figure 1 It can be seen that the absorber 100 of this system is used to absorb the moisture in the waste liquid by using air, and the absorber adopts packing 10 to form a multi-stage cross-flow mass flow structure, and each layer is provided with a countercurrent rectification device 12 ( Such as a rectifier), the bottom of the absorber is provided with a waste liquid storage part and a waste liquid input port and a waste liquid output port arranged in the waste liquid storage part, and the cross section of the inner cavity of the waste liqui...
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The invention proposes an industrial waste liquid treatment system and method based on carrier gas extraction low-temperature mass transfer. The system includes an absorber connected to a condenser connected to a waste liquid circulation pump connected to an absorber The liquid distributor of the resolver and the internal heater of the absorber; the resolver, which is connected to the evaporator, and the evaporator is connected to the clean water pump, and the clean water pump is connected to the liquid distributer of the resolver and the internal cooler of the resolver; the air outlet of the absorber is connected to the resolver The air inlet of the resolver, the air outlet of the resolver is connected to the air inlet of the absorber, and the air channel between the air outlet of the resolver and the air inlet of the absorber is provided with a circulating fan and an adsorber. The invention can use air as the mass transfer medium to realize the migration of water in the industrial waste liquid under the condition of relatively low temperature. A series of pretreatment processes such as precipitation, oil removal, and pH adjustment required for liquid disposal.
Description
technical field [0001] The invention relates to the field of industrial waste liquid treatment, in particular to an industrial waste liquid treatment system and method based on carrier gas extraction and low-temperature mass transfer. Background technique [0002] As my country's environmental protection requirements are increasing year by year, the requirements for waste liquid treatment in the industrial field are becoming increasingly stringent. The traditional waste liquid treatment technology can no longer meet the disposal needs of various hazardous waste liquids. At the same time, all localities have put forward zero-emission requirements for enterprises. The high cost of subcontracting industrial waste liquid disposal will cause a huge economic burden for enterprises. Therefore, for the It is an inevitable choice for industrial enterprises to concentrate and separate industrial waste liquid to realize reclaimed water reuse. However, the amount of annual waste liquid...
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IPC IPC(8): C02F1/10C02F1/16B01D53/26B01D53/02
CPCC02F1/10C02F1/16B01D53/261C02F2301/043C02F2303/10B01D2259/4009B01D2259/65
Inventor 张良柳建华祁良奎李吉珂张嘉文吴清清
Owner UNIV OF SHANGHAI FOR SCI & TECH
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