An ultra-low nitrogen combustion system and its control method
A technology of a combustion system and a low-nitrogen burner, applied in the field of combustion, can solve problems such as secondary pollution, and achieve the effect of reducing the problem of secondary pollution
Active Publication Date: 2021-03-23
河北宏龙环保科技有限公司
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Problems solved by technology
[0004] For this reason, an object of the present invention is to propose an ultra-low nitrogen combustion system to solve the problem of secondary pollution caused by the gas after combustion of the existing burner
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[0024] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.
[0025] In describing the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", The orientation or positional relationship indicated by "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the referred device or positional relationship. Elements must hav...
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The invention relates to an ultralow-nitrogen combustion system and a control method thereof. The combustion system comprises an oxygen production unit, a low-nitrogen combustor, a chimney and a control device; the oxygen outlet end of the oxygen production unit is connected with one end of an oxygen inlet channel; the other end of the oxygen inlet channel communicates with a gas inlet passage ofthe low-nitrogen combustor, and the low-nitrogen combustor is a combustor with a plurality of control layers; the tail of the low-nitrogen combustor communicates with the chimney through a gas exhaustpassage; and the control device is electrically connected with the oxygen production unit and the low-nitrogen combustor and controls the oxygen production unit and the low-nitrogen combustor to achieve that the excess air coefficient of the thick combustion control layer in the multiple control layers is 1.08-1.20, the excess air coefficient of the light combustion control layer is 0.85-0.98, and the comprehensive excess air coefficient is 1.03-1.05. According to the ultralow-nitrogen combustion system, through high-purity oxygen produced by the oxygen production unit and thick and light combustion control combination of the multiple control layers, the problem of secondary pollution caused by post-combustion products is relieved.
Description
technical field [0001] The invention relates to the technical field of combustion, and more specifically relates to an ultra-low nitrogen combustion system and a control method thereof. Background technique [0002] Currently commercially available burners use air as the gas source. In the air, there is not only the oxygen required for the combustion of the burner fuel, but also the nitrogen that deteriorates the environment. It will react with oxygen during the combustion process to form nitrogen monoxide and nitrogen dioxide, etc. Nitrogen oxides, and nitrogen oxides are the main source of acid rain; therefore how to provide an ultra-low nitrogen combustion system is an urgent problem to be solved by those skilled in the art. Contents of the invention [0003] The present invention aims to solve one of the above-mentioned technical problems in the prior art at least to a certain extent. [0004] For this reason, an object of the present invention is to provide an ultra-...
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IPC IPC(8): F23D14/32F23D14/46F23N5/26
CPCF23D14/32F23D14/46F23N5/265Y02E20/34
Inventor 宗超伦安增良尚家璇孟笑天孙卫国李云峰罗万莉郭子超安国保郭超曹根来刘志国孟兵川
Owner 河北宏龙环保科技有限公司