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Energy saving system and method for clean burning of layer burning boiler

A clean combustion and energy-saving system technology, applied in the field of boiler combustion system, can solve the problems of low thermal efficiency of boilers, achieve the effect of increasing chemical reaction rate, accelerating combustion speed, and reducing Ringelmann blackness

Inactive Publication Date: 2014-11-19
北京中煤神州节能环保技术开发有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention aims at the problem of low thermal efficiency of the boiler caused by various unfavorable factors of the existing combustion mode, and provides a clean combustion and energy-saving system and method for a floor-fired boiler

Method used

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  • Energy saving system and method for clean burning of layer burning boiler
  • Energy saving system and method for clean burning of layer burning boiler
  • Energy saving system and method for clean burning of layer burning boiler

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Embodiment Construction

[0024] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0025] The invention cracks low-temperature water vapor through the metal catalyst, and when the alloy material is higher than 850°C, the water vapor can be adsorbed on the metal surface, reducing the activation energy of water cracking, increasing the reaction speed, and cracking into a large amount of O, H and OH, etc. Active ions accelerate the reaction speed of a large amount of carbon monoxide, hydrogen, gaseous hydrocarbons and phenolic aldehydes in the flue gas through air flow disturbance and make them burn more fully, reducing the heat loss Q4 of incomplete combustion of solids and Q3 of heat loss of incomplete combustion of gases , thereby improving the thermal efficiency and furnace temperature of the boil...

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Abstract

The invention relates to an energy saving system and method for the clean burning of a layer burning boiler. The energy saving system for the clean burning of the layer burning boiler comprises the layer burning boiler, a metal catalyst unit arranged inside the hearth of the layer burning boiler, a vapor generating unit arranged outside the layer burning boiler and a control unit connected to the vapor generating unit, wherein the metal catalyst unit is arranged in a space between the upside of a coal bed and a smoke outlet; and the metal catalyst unit is connected with the vapor generating unit through a vapor conveying pipeline used for conveying vapor generated by the vapor generating unit to the inside of the hearth. The thermal efficiency of the boiler is increased through changing the burning way in the boiler, and vapor can be decomposed into a great deal of O, H, OH and other active ions under the action of a metal catalyst with the temperature of about 900 DEG C, so that the chemical reaction rate is increased, a favorable wet chain reaction condition is provided for combustible materials in smoke, the burning speed is increased, and the Ringelman emittance is lowered.

Description

technical field [0001] The invention relates to a boiler combustion system and method, in particular to a clean combustion and energy-saving system and method for a floor-fired boiler. Background technique [0002] For the layer-fired boiler, the factors affecting the thermal efficiency of the boiler are very complicated, including reasons of management and fireman level, as well as fuel characteristics, boiler and auxiliary equipment manufacturing, installation, maintenance and other reasons. From the perspective of improving boiler thermal efficiency, most of the current boiler energy-saving technologies focus on improving the effective use of heat Q1, reducing exhaust heat loss Q2, heat loss Q5 and ash physical sensible heat loss Q6, and reducing solid incomplete combustion heat loss Q4, Gas incomplete combustion heat loss Q3 unfolds. [0003] Due to the inherent characteristics of the layer combustion furnace itself, the relative position of the fuel is fixed inside the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23B90/00F23L7/00F23N5/00
Inventor 高北辰董立功张燃
Owner 北京中煤神州节能环保技术开发有限公司
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