Air pressure temperature control type landfill pollutant transfer characteristic test system

A transmission characteristic and test system technology, which is applied in the field of air pressure temperature-controlled landfill pollutant transmission characteristic test system, can solve the problems of lack of and inability to reflect the process and constraints of landfill gas production and seepage

Inactive Publication Date: 2008-07-09
INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI
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Problems solved by technology

On-site monitoring experiments can only reflect the recent landfill gas production and leachate seepage, but cannot reflect the entire gas production and seepage process of the landfill, and engineering applications must have the data of the entire process
The lack of current test data (especially comprehensive and comprehensive test data) seriously restricts the development of solid-liquid-gas interaction and multi-field coupling models in landfills and the accuracy of prediction results.

Method used

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  • Air pressure temperature control type landfill pollutant transfer characteristic test system

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Embodiment Construction

[0008] Below in conjunction with accompanying drawing, the present invention is described in further detail: see accompanying drawing

[0009] Air pressure temperature-controlled landfill pollutant transmission characteristic test system, the system consists of a cylindrical water bath container, a water tank 2, a leachate collection tank 27, a gas flow meter 23, a liquid flow meter 17, an air compressor 22, a temperature sensor 3, Valves and connecting pipes, etc. The test container cylinder water bath container is composed of a cylinder outer chamber 7 and a cylinder inner chamber 9, and an interlayer is formed between the cylinder outer chamber 7 and the cylinder inner chamber 9. An upper shelf 10 and a lower shelf 15 are arranged in the inner cavity 9 of the column, and uniform small holes are respectively arranged on the upper shelf 10 and the lower shelf 15 . The lower shelf 15 is fixedly arranged below the inner cavity 9 of the column, the upper shelf 10 is located abo...

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Abstract

The invention discloses a pressure temperature-controlling type transmission characteristics test experimental system of landfill contaminants, which comprises a water bath temperature control system, a waste landfill body circulating water bath heating system, an automatic percolate returning system, a landfill gas permeability coefficient determination system and a percolate permeability coefficient determination system. The experimental system can achieve such tests as the automatic temperature control of water bath, circulating heating of waste landfill body, automatic returning of percolating water, landfill gas and percolating water in the water landfill body. The experimental system has the advantages of simple structure, compact assembly, strong operability, short experiment period and wide application, and has important application value in developing the study of transmission rule of landfill gas and percolate in the landfill body, resource exploitation of landfill gas, contaminant control, sedimentation of waste landfill body, etc.

Description

technical field [0001] The invention relates to an air pressure temperature-controlled landfill pollutant transmission characteristic test system, which is mainly used for the dynamic change law of the landfill pollutant transmission under different temperatures and different leachate recharge loads. The test belongs to the field of resources and environment technology. Background technique [0002] Environmental pollution caused by garbage pollutants has become one of the most prominent environmental problems today. Pollutants have become a hot and focused issue in today's ecological environment due to their large amount, wide distribution, long degradation time, and heavy pollution. . The monitoring shows that leakage is common in landfills in my country. In the on-site monitoring and evaluation of landfills in major cities, the leakage of landfills in Beijing is more obvious and prominent. Most of the detected toxic pollutants belong to the priority controlled refractor...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N7/10G01N33/00
Inventor 薛强冯夏庭胡竹云赵颖刘磊刘晓丽陈亿军王惠芸席本强
Owner INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI
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