Sectional type consumer waste ecological burying simulating device

A technology of domestic waste and simulation device, applied in the field of environmental protection, can solve the problems such as failure to provide theoretical basis for application, failure to clarify the change rule of microbial flora diversity of nitrogen form migration and conversion nitrogen cycle function, etc., and achieve ideal thermal insulation effect, The effect of convenient maintenance and management and the expansion of the scope of application

Inactive Publication Date: 2008-04-09
ZHEJIANG UNIV
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  • Abstract
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Problems solved by technology

Although the current laboratory theoretical research has basically proved the degradation law of organic matter, it has not yet clarified the migration and transformation of nitrogen form and the cha

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  • Sectional type consumer waste ecological burying simulating device

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Embodiment Construction

[0014] Referring to FIG. 1 , the segmented domestic waste ecological landfill simulation device of the present invention includes an upper reactor I, a hollow column II and a lower reactor III connected by a coaxial line from top to bottom, which can be directly connected by a flange 15 . The shells of the upper reactor I and the lower reactor III are provided with jackets 17 respectively, and the deflectors 16 spirally surrounding the shells are provided in the jackets 17, which can prevent uneven heating of the water flow in the jackets; There is a water inlet 3 and a water outlet 12, and the water inlet 3 is connected to the hot water outlet of the temperature control system 9 through a water delivery pipe; the base 19 of the reactor 1 at the upper end is evenly distributed with small holes, so that the leachate seeps down into the hollow column, Ventilation and gas sampling valve 1, temperature probe 2 and pressure gauge 10 are installed on the top cover 18 of the upper rea...

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Abstract

The invention discloses an ecological landfill simulation device for sectional type household garbage, comprising an upper end reactor, a hollow post and a lower end reactor which are connected with each other in the same axis line from top to bottom. The hollow post is in favor of the establishment of the environment of 'from aerobiosis to oxygen poor to anaerobic process' under the whole simulation environment, facilitates percolation liquid to have natural re-oxygenation when the percolation liquid drips in the hollow post, strengthens the nitrification and promotes the elimination of nitrogen in garbage dump bodies while methanogenesis is not interfered. With the operation of the simulation device, the nitrogen migration and transformation and the variation rule of nitrogen circulation function microbial community structure of the percolation liquid in artificial recharge process are identified and provide theoretical base for actual construction application. Meanwhile, after the disassembly of the hollow post in the invention, the upper end reactor and lower end reactor can be respectively assembled into general integral type garbage ecological landfill simulation devices, which are used for implementing garbage degradation research experiment in the artificial recharge process of the percolation liquid under general condition and greatly widens the application scope of the invention.

Description

technical field [0001] The invention relates to a segmented living garbage ecological landfill simulation device, which belongs to the technical field of environmental protection. Background technique [0002] With the improvement of urbanization and residents' living consumption level, the generation of municipal solid waste is increasing day by day. As a final treatment and disposal method, sanitary landfill has been widely used due to its simple process, low investment, large processing capacity and low operating cost. It is currently one of the most commonly used methods for the harmless treatment and disposal of municipal solid waste at home and abroad one. However, this technology has also increasingly exposed its limitations, such as large land occupation, difficult site selection, serious damage to the surrounding ecological landscape, stench and breeding of mosquitoes and flies. The leachate with high concentration is difficult to degrade, and the high concentrati...

Claims

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Application Information

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IPC IPC(8): G09B25/00B09B5/00
Inventor 陈英旭吴松维吴伟祥孙营军
Owner ZHEJIANG UNIV
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