Generating system and generating method by utilizing landfill gas

A landfill gas and power generation system technology, applied in the field of waste treatment systems, can solve the problems of secondary utilization of few resources and in the stage of collection and treatment, and achieve a large range of gas treatment, no secondary pollution, and high power generation efficiency Effect

Inactive Publication Date: 2012-07-11
UNIVERSTAR SCI & TECH SHENZHEN
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Landfill gas purification technology is in the ascendant, but it is still in the stage of collection and treatment, and it is rarely used as a resource for secondary use

Method used

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  • Generating system and generating method by utilizing landfill gas
  • Generating system and generating method by utilizing landfill gas

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Embodiment Construction

[0021] The present invention will be described in further detail below in conjunction with the embodiments and with reference to the accompanying drawings.

[0022] A power generation system utilizing landfill gas, comprising a plurality of inlet pipes 4 arranged in each landfill site, connected to a main pipe 5 at the outlet of each air inlet pipe 4, the outlet pipe of the main pipe 5 is connected with a primary gas-liquid separator 6. The outlet of the first-stage gas-liquid separator 6 is sequentially connected with a cyclone separator 3 and a filter 2, and the outlet of the filter 2 is sequentially connected with a condenser 11 and a condensate collection pipe 8 through the gas compressor 1 to condense The liquid collection pipe 8 is connected to the secondary gas-liquid separator 9, and the outlet of the secondary gas-liquid separator 9 is connected to the gas engine 17 through the gas flow meter 10 of the power generation pipeline and the valve pipe 16 of the power genera...

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Abstract

The invention discloses a generating system and a generating method by utilizing landfill gas. The generating system comprises multiple intake pipes which are arranged at each landfill, main pipes which are connected with the outlet of each intake pipe by virtue of a pipe connector, the outlet of each main pipe is connected with a primary gas-liquid separator by virtue of the pipe connector, the outlet of the primary gas-liquid separator is connected with a secondary gas-liquid separator by a compressor by virtue of the pipe connector, the outlet of the secondary gas-liquid separator is connected with a gas engine by virtue of the pipe connector, the gas engine is connected with a generator in a transmission manner, the liquid outlet of each main pipe, the liquid outlet of the primary gas-liquid separator and the liquid outlet of the secondary gas-liquid separator are connected with a collecting pipe by virtue of the pipe connector. The invention also discloses a generating method applying the generating system. The generating system and the generating method disclosed by the invention have the advantages of large processing gas range, high electricity producing efficiency, high safety and reliability and no secondary pollution.

Description

technical field [0001] The invention relates to a garbage treatment system, in particular to a power generation system and a power generation method using landfill gas collected in urban garbage landfills. Background technique [0002] Organic matter in municipal landfills degrades in an anaerobic process, producing large quantities of landfill gas (LFG). In addition to the main component CH 4 , CO 2 , N 2 Besides, there are more than 140 substances that have been detected. The uncontrolled migration and accumulation of these landfill gases will produce secondary pollution and cause combustion and explosion accidents; LFG is another type of greenhouse gas, which has a destructive effect on the atmospheric ozone layer. Studies have shown that CH 4 The greenhouse effect produced by the equivalent volume of CO 2 more than 20 times higher. Therefore, the United Nations Environmental Protection Organization and many countries regard landfill gas treatment as the focus of en...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02B43/10F02B63/04B01D50/00B01D5/00F17D1/02
CPCY02T10/32Y02T10/30
Inventor 王富生曹玉梅
Owner UNIVERSTAR SCI & TECH SHENZHEN
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