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Two stage treatment of 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: 2005-02-23
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 of 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 of the present invention uses landfill gas or other commercial fuels as fuel, adopts submerged combustion and 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 evaporators each include 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 destroyed by incineration. 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 incinerat...

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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 environmental protection garbage treatment, and particularly relates to a two-stage treatment method of evaporative incineration and evaporative concentration of leachate from landfills. 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 leachate output is large, the pollutant concentration is high, and the water quality changes in a wide range. Not only does the change of the four seasons, the alternation of the dry season and the rainy season show regular changes, but also with the use time and maturity of the landfill. However, the existing landfill leachate treatment processes all h...

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Application Information

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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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