Aerobic treating system and method for refuse landfill

A technology for landfills and garbage dumps, applied in the field of environmental protection, can solve problems such as short aerobic treatment periods, and achieve the effects of extending service life, reducing secondary pollution risks, and saving investment costs.

Inactive Publication Date: 2012-03-21
CHINA URBAN CONSTR DESIGN & RES INST CO LTD
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Problems solved by technology

Although this method can partially realize the harmless treatment of municipal solid waste, its aerobic treatment period is relatively short, and it cannot completely realize the harmless treatment of waste. years of stability

Method used

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  • Aerobic treating system and method for refuse landfill
  • Aerobic treating system and method for refuse landfill

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Embodiment Construction

[0033] Combine below figure 1 A specific example of the good-care management system of the present invention is described. In order to make the drawings more concise and readable, the reference numerals in the drawings are either marked inside the corresponding components, or marked next to the corresponding components.

[0034] Such as figure 1 As shown, the landfill aerobic treatment system includes a gas injection system, a water injection system, an air extraction system, a filtration discharge system, and a monitoring system. The gas injection system includes the gas injection well 11, the gas injection pipeline 12, and the gas injection fan 13 arranged in the garbage dump 1. The gas injection fan 13 is electrically connected with the control box 47, so that the air passes through the heat exchanger 14 after heat exchange. The pipeline 12 flows into the gas injection well 11 . figure 1 The set of gas injection wells shown in includes two gas injection wells, one deep a...

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Abstract

The invention discloses an aerobic treating process for a refuse landfill, which belongs to the field of environmental protection. The process is used for treating a landfill by using an aerobic biological method. An aerobic treating system comprises an air injection system, an air sucking system, a water injection system, a filtering and discharging system and a monitoring system. Degradable organic matters in refuse are degraded rapidly mainly through an aerobic biological reaction, so that the refuse is in a stable state. In the treating process, gas generated by the aerobic biological reaction of the refuse is mainly carbon dioxide. Refuse leachate is not discharged outwardly, but is directly consumed in the refuse landfill by recharging, so that the environment is protected from being polluted. After treatment, gas and leachate which cause environmental pollution are not generated, so that the treated landfill is stable.

Description

technical field [0001] The invention belongs to the field of environmental protection, and in particular relates to a good treatment method and system for garbage landfills. Background technique [0002] The treatment and disposal of municipal solid waste is mainly based on incineration, composting and landfill technologies. As the final means of disposal of municipal solid waste, landfill has an irreplaceable role. According to statistics, in 2004, my country's municipal solid waste landfill treatment volume accounted for 87.7% of the total treatment volume. Since the stabilization process of landfills is very long, it usually takes decades, and any collection and treatment measures are difficult to maintain effective for decades, so even sanitary landfills still have long-term potential threats. [0003] Due to historical reasons, the number of informal landfills formed in cities across the country is huge. Currently, there are 1,011 informal landfills in the Beijing ar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09B1/00B09B3/00
Inventor 徐文龙李黎杰赵树青黄文雄
Owner CHINA URBAN CONSTR DESIGN & RES INST CO LTD
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