A device for controlling the release of greenhouse gas CH4 from domestic garbage and its control method

Abstract

The invention discloses equipment for controlling release of a household garbage greenhouse gas CH4 and a control method of the equipment, belonging to the field of emission reduction of an environmental engineering greenhouse gas. The equipment comprises a reaction column, a landfill gas control chamber and a percolate control chamber; the reaction column comprises an upper primary reaction column and a lower secondary reaction column, percolate galleries are arranged on two opposite sides of the reaction column and are parallel to a bottom plate on the side wall of the reaction column, the primary reaction column and the secondary reaction column are same in structures, a liquid inlet pipe, a liquid distributing main pipe and a liquid distributing branch pipe which are sequentially connected are arranged at the upper part of the primary reaction column; a gas inlet pipe, a gas distributing pipe and a gas outlet pipe are arranged above the liquid distributing main pipe in the primary reaction column; the gas distributing pipe is connected with the gas inlet pipe, the gas outlet pipe is arranged on the side wall of the primary reaction column; the gas inlet pipe, the gas outlet pipe, the liquid inlet pipe and a liquid outlet pipe are respectively merged in a landfill gas inlet pipeline, a landfill gas outlet pipeline, a percolate inlet pipeline and a percolate outlet pipeline. The equipment effectively controls the release of the greenhouse gas CH4, and is simple in structure.

Description

technical field [0001] The invention belongs to the field of environmental engineering greenhouse gas emission reduction, and more specifically relates to a method for controlling domestic garbage greenhouse gas CH 4 Released devices and methods of controlling them. Background technique [0002] Global warming has become a major environmental issue of concern to the world. Greenhouse gas emissions from human activities have been the main factor driving climate change in the past 50 years, CH 4 Accounting for 14.3% of the total global anthropogenic greenhouse gas emissions, the single-molecule 100-year warming potential is respectively 2 25 times. Relevant research results show that it is expected to reach the maximum in 2030, accounting for about 50%. [0003] Landfill is CH 4 An important man-made release source, the current annual release is 9-70×10 6 t, accounting for about 1.5% to 15% of the total global release. It is predicted that by 2020 my country's landfill ...

AI Technical Summary

Problems solved by technology

[0006] In view of the large amount of leachate in the existing technology and it is difficult to control, the leachate collection pipeline is easy to block, the cost of landfill gas collection is high, the collection rate is low, the covering soil is greatly affected by meteorological conditions, and the investment in landfill infrastructure is high. Harmful gases are difficult to control, and the problem of malodor is widespread. The invention provides a method for controlling the greenhouse gas CH of domestic waste. 4 Released device and control method thereof

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