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Hedging-type low NOX combustion dynamic field of high-capacity and high-parameter gas boiler

A low-nitrogen oxide, gas-fired boiler technology, applied to gas fuel burners, burners, combustion methods, etc., can solve the problems of increasing boiler operating costs and achieve the effect of inhibiting the formation of nitrogen oxides

Pending Publication Date: 2020-08-18
JIANGLIAN HEAVY IND GRP CO LTD
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  • Description
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  • Application Information

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Problems solved by technology

[0002] As the country attaches great importance to the comprehensive utilization of a large amount of combustible gas produced by various industries, gas-fired boilers continue to develop towards large-capacity and high-parameters. To make gas-fired boiler emissions up to standard will increase the operating cost of the boiler

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  • Hedging-type low NOX combustion dynamic field of high-capacity and high-parameter gas boiler
  • Hedging-type low NOX combustion dynamic field of high-capacity and high-parameter gas boiler
  • Hedging-type low NOX combustion dynamic field of high-capacity and high-parameter gas boiler

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Embodiment Construction

[0018] The implementation of the present invention will be described in detail below with reference to the drawings and examples, so as to fully understand and implement the implementation process of how to use technical means to solve technical problems and achieve technical effects in the present invention.

[0019] Specific embodiments of the present invention such as Figure 1 to Figure 8 As shown, a large-capacity high-parameter gas-fired boiler hedging type low-NOx combustion power field, first of all, the fuel has wide adaptability. 1. Form a stable combustion temperature field to control NO by reducing the high temperature radiation layer X When burning high-calorific value gas, it is not enough to protect the combustion zone, avoid local high-temperature areas, shorten the residence time of flue gas in the high-temperature area of ​​the furnace, and set an ember-burning air nozzle 6 on the upper part of each burner to burn embers. The wind is designed according to th...

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Abstract

The invention discloses a hedging-type low NOX combustion dynamic field of a high-capacity and high-parameter gas boiler. The dynamic field comprises a plurality of front wall high-power spiral-flow low NOX combustors, a plurality of back wall high-power spiral-flow low NOX combustors and anti-burning-loss open-type flame holders, wherein the plurality of front wall high-power spiral-flow low NOXcombustors and the plurality of back wall high-power spiral-flow low NOX combustors are arranged in a hedging and one-to-one corresponding manner; the anti-burning-loss open-type flame holders are disposed at a jet nozzle of each front wall high-power spiral-flow low NOX combustor and a jet nozzle of each back wall high-power spiral-flow low NOX combustor; and refractory belt is laid on the lowerpart of a combustion area of a furnace during combustion of a low-heating-value gas, and a burn-out-wind jet nozzle is disposed on each front wall high-power spiral-flow low NOX combustor and each back wall high-power spiral-flow low NOX combustor during combustion of a high-heating-value gas. The dynamic field disclosed by the invention has the beneficial effects that through hedged combustion ofthe front wall and back wall high-power spiral-flow low NOX combustors, a temperature field and combustion conditions for stable and efficient combustion of the high-capacity and high-parameter gas boiler are guaranteed, and NOX generation is inhibited.

Description

technical field [0001] The invention relates to the technical field of boilers, in particular to a large-capacity, high-parameter gas-fired boiler hedging type low-nitrogen oxide combustion power field. Background technique [0002] As the country attaches great importance to the comprehensive utilization of a large amount of combustible gas produced by various industries, gas-fired boilers continue to develop towards large-capacity and high-parameters. To make gas-fired boiler emissions up to standard will increase the operating cost of the boiler. Contents of the invention [0003] The problem to be solved by the present invention is: to provide a large-capacity high-parameter gas boiler hedging type low-NOx combustion power field, through the front and rear walls high-power swirling low-NO X The burner is opposed to combustion to ensure the temperature field and combustion conditions of the large-capacity and high-parameter gas-fired boiler for stable and efficient com...

Claims

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Application Information

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IPC IPC(8): F23C7/00F23D14/02F23D14/26
CPCF23C7/002F23D14/02F23D14/26
Inventor 陈晗霞雷明陈玉村邹嵘边际刘苏蒙陈梓宁李靖涛余期升陈丽华王宏宇杨忠华
Owner JIANGLIAN HEAVY IND GRP CO LTD
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