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Integrated processing method of garbage landfill

A technology for landfill and comprehensive treatment, which is applied in the field of comprehensive treatment of landfills to achieve the effects of fast speed, pollution avoidance and pollution reduction

Inactive Publication Date: 2013-08-28
LIYANG SHENGTAI HEAVY MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In order to solve the problem that the current domestic landfills need to be treated, especially the current situation that old landfills urgently need to be reprocessed, the present invention provides a comprehensive treatment method for landfills, which mainly consists of the following steps:

Method used

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Embodiment 1

[0035] Experimental area, a landfill in Nanjing, the landfill is mainly municipal waste, it is a third-level sanitary landfill, the landfill density is 1.51kg / L, the landfill time is 10 years, and the landfill depth is 5 meters. Area 100 x 200 meters. Proceed as follows:

[0036] 1. Preliminary preparation of the site - determine the boundary, divide the blocks, determine the boundary of the entire landfill through the difference in density characteristics between the landfill layer and the surrounding environment, and dig isolation ditches at the boundary, set up plastic The method of isolation boards isolates the landfill layer from the surrounding environment; then the entire landfill is divided into 10 blocks according to the shape and size of 40×50 meters;

[0037] 2. Set up leachate collection devices for each block, including horizontal collection system and vertical collection system. The collection grid, the vertical collection system is arranged in the landfill lay...

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Abstract

The invention provides an integrated processing method of garbage landfill. The method comprises: 1, preparation of a field area, comprising defining a boundary and dividing blocks; 2, arrangement of collection devices of field area leachate, wherein the leachate collection devices are arranged by using each block as a unit; 3, internal aeration treatment of specific field area, comprising supplying gas into landfill layers to promote metabolism of aerobic microorganisms, thereby rapidly degrading organic matters in the landfill layers, so that the landfill layers are enabled to reach a stable state in a relatively short time; 4, circulation and recharging treatment for the leachate, wherein due to huge activity of the aerobic microorganisms, the garbage landfill subjected to internal aeration treatment generates a relatively large amount of water, and thus generates much more leachate than the garbage landfill free of internal aeration, and the leachate is recharged to a field area which has been subjected to the internal aeration treatment and become mineralized waste; and 5, vegetation establishment in the blocks after the internal aeration treatment.

Description

technical field [0001] The invention relates to a comprehensive treatment method of a garbage landfill, in particular to a comprehensive treatment method of a garbage landfill using an internal aeration method. Background technique [0002] Municipal solid waste landfill is the most widely used waste treatment technology, which is used in about 90% of our country and more than 60% in developed countries. However, with the acceleration of urban expansion, the problem of increasing urban waste has become an extremely urgent problem for urban growth. China has surpassed the United States to become the world's number one producer of waste. [0003] At present, China's waste treatment technology mainly adopts landfill, composting, incineration and other methods. Landfill is currently the most important method to solve domestic waste in most cities in China. Judging by whether the engineering measures are complete and whether the environmental protection standards can be met, it ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09B3/00
Inventor 魏锋陶运艇董涛胡俊
Owner LIYANG SHENGTAI HEAVY MACHINERY
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