Gasification combustion system

A technology of combustion system and gasifier, applied in the direction of combustion type, gasification process, combustion method, etc.

Active Publication Date: 2017-07-11
COVANTA ENERGY CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

One of the problems associated with the conventional combustion of MSW and other solid fuels is that it produces small amounts of unwanted and potentially harmful by-products such as nitrogen oxides (NOx), carbon monoxide and dioxins

Method used

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  • Gasification combustion system
  • Gasification combustion system
  • Gasification combustion system

Examples

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Embodiment Construction

[0033] figure 1 An embodiment of the present invention is shown. The combustion gasification system (referred to as element 50 in a broad sense) includes an inlet 101 for receiving waste 1, a first vaporizer 102, a second vaporizer 103, and a post combustor 104. The waste 1, garbage or waste can be placed in the inlet 101 through the inlet pipe 100 containing the housing. The inlet 101 may include an opening formed by a housing for receiving waste. The processing of waste material 1 usually starts in the first gasifier 102. Processing may include one or more of the following functions: drying, devolatilization, gasification, or combustion. In some embodiments, oil or other combustible materials may be added to waste 1 to promote combustion.

[0034] Once the waste 1 is inside the input 100, it can be pushed through the system 50 by the waste pusher 700. The waste thruster 700 can take the form of a hydraulic cylinder 300 and a grate 701, such as figure 1 As shown, or a self-a...

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PUM

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Abstract

A two-stage waste gasification combustion system for processing waste is disclosed. The system may contain features such as thrusters, first and second gasifiers, gas regulators and afterburners. Additionally, methods for conditioning gas and propelling waste through a two-stage waste gasification combustion system are disclosed.

Description

[0001] Citation introduction [0002] This application claims priority to U.S. Application No.: 13 / 725,110 filed on December 21, 2012, which is incorporated herein by reference in its entirety. Technical field [0003] The present invention generally relates to gasification or combustion systems. More specifically, the invention relates to a method and system for regulating the flow of gas and waste through a gasifier or burner system. Background technique [0004] Municipal solid waste ("MSW") is the total product collected and processed by citizens and governments. MSW includes durable and non-durable goods, containers and packaging, food and yard waste, and various inorganic wastes from residential, commercial and industrial sources. Examples include newsprint, electrical appliances, clothing, waste food, containers and packaging, disposable diapers, all types of plastics (including disposable tableware and foam) that are part of an open list of disposable or disposable product...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23G5/027B09B3/00C10J3/00
CPCC10J3/002C10J3/721C10J3/723C10J2300/0909C10J2300/0946C10J2300/0956C10J2300/1606F23G5/027F23G5/165F23G2201/303
Inventor R·布罗各里奥张汉威R·贝克S·高夫
Owner COVANTA ENERGY CORPORATION
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