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Hazardous waste disposal fly ash and desulfurization wastewater co-treatment system and method

A desulfurization wastewater and co-processing technology, applied in gaseous discharge wastewater treatment, water/sewage treatment, heating water/sewage treatment, etc., can solve the problems of high cost of desulfurization wastewater treatment process, waste of resources, secondary environmental pollution, etc. To achieve the effect of facilitating resource regeneration and recycling, reducing disposal costs and saving wastewater treatment costs

Pending Publication Date: 2020-08-07
湖南申联环保科技有限公司
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  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of this, the object of the present invention is to provide a system and method for the coordinated treatment of hazardous waste disposal fly ash and desulfurization wastewater. The problem of risk, on the other hand, solves the problem of high cost of the existing desulfurization wastewater treatment process

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  • Hazardous waste disposal fly ash and desulfurization wastewater co-treatment system and method
  • Hazardous waste disposal fly ash and desulfurization wastewater co-treatment system and method
  • Hazardous waste disposal fly ash and desulfurization wastewater co-treatment system and method

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Embodiment Construction

[0037] The present invention will be described in detail below with reference to the drawings.

[0038] Such as Figure 1-4 As shown, this embodiment discloses a hazardous waste disposal fly ash and desulfurization wastewater co-processing system, including a stirring tank 1, a membrane filter press 3, a filtrate tank 5, and a coagulation and sedimentation integrated device 7 arranged in sequence according to the treatment process. , Cation exchange resin device 10 and evaporation crystallization device 11, between the stirring tank 1 and the membrane filter press 3 is provided with a filter press pump 2 for pumping the slurry in the stirring tank to the membrane filter press, the filtrate tank 5 and A lift pump 6 is provided between the integrated coagulation and sedimentation device 7.

[0039] The diaphragm filter press 3 is matched with an automatic packing unit 4. The automatic packing unit is used to pack the filter cake.

[0040] An intermediate tank 8 and an intermediate p...

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Abstract

The invention discloses a hazardous waste disposal fly ash and desulfurization wastewater co-treatment system and method. The treatment system comprises a stirring tank, a diaphragm filter press, a filtrate tank, a coagulating sedimentation integrated device, a cation exchange resin device and an evaporative crystallization device which are sequentially arranged according to a treatment process, afilter pressing pump is arranged between the stirring tank and the diaphragm filter press, and a lifting pump is arranged between the filtrate tank and the coagulating sedimentation integrated device. By the adoption of the treatment system and method, fly ash and desulfurization wastewater are effectively treated, valuable metal and sodium chloride salt in hazardous waste treatment fly ash are recycled, the treatment system and method are an environment-friendly technology, and huge environmental and economic benefits can be created.

Description

Technical field [0001] The invention relates to the technical field of hazardous waste and wastewater treatment, in particular to a system and method for the cooperative treatment of hazardous waste disposal fly ash and desulfurization wastewater. Background technique [0002] In the co-processing process of inorganic hazardous waste and organic hazardous waste, the waste heat boiler, quench tower, dry deacidification tower, etc. in the flue gas treatment system will all produce fly ash, and the hazardous waste disposal fly ash belongs to hazardous waste. The current disposal method All of them are solidified or landfilled, resulting in that valuable metals such as copper, nickel, lead, and zinc contained in fly ash cannot be effectively recovered, resulting in a waste of resources. At the same time, solidification and landfill measures pose the risk of secondary environmental pollution. [0003] During the operation of the desulfurization device, waste water will be generated. At ...

Claims

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Application Information

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IPC IPC(8): C02F9/10C01D3/04C22B7/02C22B1/00C02F103/18
CPCC02F9/00C01D3/04C22B7/02C22B1/005C02F2103/18C02F1/001C02F1/5236C02F1/56C02F1/42C02F2001/425C02F1/04Y02P10/20
Inventor 雷鸣俞农郑细东董帅蒋洪波覃建恒饶昌寿
Owner 湖南申联环保科技有限公司
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