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Two stage treatment method for distillation concentration and incineration of diffusion liquid from refuse burying site

A technology of evaporation concentration and treatment method, which is applied in the direction of combustion method, oxidation treatment sludge, incinerator, etc., which can solve the problems of high cost and poor treatment effect, and achieve the effect of energy saving

Inactive Publication Date: 2006-10-11
TSINGHUA UNIV
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Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that the existing leachate treatment process cannot effectively prevent the secondary pollution of the landfill due to reasons such as poor treatment effect and high cost, and to provide a convenient, energy-saving, efficient and economical landfill leachate The two-stage treatment method of evaporative incineration and evaporative concentration

Method used

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  • Two stage treatment method for distillation concentration and incineration of diffusion liquid from refuse burying site

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Embodiment Construction

[0013] The present invention will be further described below in conjunction with the accompanying drawings.

[0014] The two-stage treatment method described in the present invention uses landfill gas or other commercial fuels as fuel, adopts submerged combustion evaporation technology, and is divided into two stages: evaporative incineration and evaporative concentration, which are respectively realized by a primary evaporator and a secondary evaporator , The two-stage evaporator each includes a fuel combustion chamber, an evaporation chamber and an air distribution system. The purpose of the primary evaporator is to evaporate as much volatile organic compounds as possible from the leachate and then burn them for destruction. The purpose of the secondary evaporator is to evaporate water from the leachate and concentrate the leachate. The flue gas containing a large amount of volatile organic compounds produced in the evaporative incineration stage (primary evaporator) is inci...

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Abstract

The method's fuel is gas and or other business fuel. It worked by technology of immerge burning and distilling. The distilled burning include stair evaporator and ambipolar evaporator. The two evaportor are comprise of a fuel burning room and a distilling room. The function of stair evaportor is to distill the volatile organism in order to burning out; the ambipolar evaportor is to distill water and concentrate the fluid. The smog of volatile organism produced by stair evaporator, is burned out by the ambipolar evaportor.

Description

technical field [0001] The invention belongs to the technical field of waste treatment for environmental protection, and in particular relates to a two-stage treatment method of evaporative incineration and evaporative concentration of landfill leachate. Background technique [0002] Landfill disposal is an important part of solid waste management. For a complete solid waste management system, landfill is an indispensable key element. At present, the pollution control of landfills is still a weak link, and the treatment of landfill leachate has always been a difficult problem faced by environmental protection workers. The output of leachate is large, the concentration of pollutants is high, and the range of water quality varies widely. Not only does it change regularly with the change of four seasons every year, the alternation of dry season and rainy season, but also shows regularity with the use time and maturity of the landfill. However, the existing landfill leachate tr...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F11/06F23G7/04
CPCY02W10/40
Inventor 聂永丰岳东北许玉东
Owner TSINGHUA UNIV
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