Combined low-nitrogen low-energy incinerator and incineration process

An incinerator and combined technology, applied in the direction of incinerator, combustion type, combustion method, etc., can solve the problem that the exhaust gas incineration process is difficult to meet the requirements, so as to reduce the generation of nitrogen oxides, reduce the cost burden, and meet emission standards Effect

Active Publication Date: 2020-06-12
亚德(上海)环保系统有限公司
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Problems solved by technology

[0004] However, with the development of chemical industry, manufacturing, dyes, pesticides and other industries, there are more and more high-concentration organic waste gas liquids, which contain more and more nitrogen elements. Facing increasingly stringent emission standards, conventional waste gas incineration The process is difficult to meet the requirements

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  • Combined low-nitrogen low-energy incinerator and incineration process

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0019] refer to figure 1 As shown, the present invention provides a combined low-nitrogen and low-energy incinerator, including an incinerator body 1, the body 1 is provided with a furnace 2, and the top of the furnace 2 is provided with a low-nitrogen burner 4, and the burner 4 There are primary air inlet 41, fuel inlet 42 and high calorific value waste gas liquid inlet 43, which are respectively used to add primary air, fuel and high calorific value waste gas liquid;

[0020] The furnace 2 is composed of a pre-combustion chamber 21 and a main combustion chamber 22 arranged up and down, wherein the pre-combustion chamber 21 is used to realize the oxygen-deficient combustion of the waste gas liquid by controlling the air volume of the primary air, and generate reducing gases such as carbon monoxide, thereby suppressing nitrogen The generation ...

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Abstract

The invention relates to a combined low-nitrogen low-energy incinerator and an incineration process, and belongs to exhaust gas-liquid incineration technology. The combined low-nitrogen low-energy incinerator comprises an incinerator body, wherein a hearth is arranged in the incinerator body, the top of the hearth communicates with a low nitrogen burner, the combustor is provided with a primary air inlet, a fuel inlet and a high heating value exhaust fluid inlet, a pre-combustion chamber and a main combustion chamber are sequentially arranged in the hearth, and the main combustion chamber is provided with a secondary air inlet and a low-calorific-value waste gas inlet. According to the heat value of waste gas-liquid to be incinerated and the difference of components, the waste gas-liquid is burnt in the incinerator at the corresponding inlets, and meanwhile the air volume of primary air is controlled to enable the pre-combustion chamber to realize under-oxygen combustion, the air volume of secondary air is controlled to enable the main combustion chamber to achieve sufficient oxygen combustion, the conversion rate of nitrogen oxides is effectively controlled, and the generation amount of nitrogen oxides in the hearth incineration process is reduced.

Description

technical field [0001] The invention relates to the technical field of waste gas and liquid incineration, in particular to a combined low-nitrogen and low-energy incinerator and an incineration process. Background technique [0002] In the waste gas and waste liquid incineration project, various types of waste gas and liquid need to be treated. [0003] The currently commonly used incineration method is a high-temperature heat treatment technology. It uses a certain amount of excess air to react with the organic waste gas liquid to be treated in the incinerator, and the toxic and harmful substances in the waste are oxidized and pyrolyzed at high temperature. Destroyed is a treatment technology that can realize waste harmless and resourceful at any time. [0004] However, with the development of chemical industry, manufacturing, dyes, pesticides and other industries, there are more and more high-concentration organic waste gas liquids, which contain more and more nitrogen el...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23G7/04F23G7/06F23G5/16F23G5/50
CPCF23G7/04F23G7/06F23G5/165F23G5/50
Inventor 张晗婕吕响荣吴建平孙选举丁雅倩田文煜袁梦霞
Owner 亚德(上海)环保系统有限公司
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