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Burner of slotted type flame combustion device

A technology of flame combustion and burner, applied in the direction of burner, combustion method, combustion type, etc., can solve the problems of poor flame stability, backfire deflagration, fine mesh of weaving cloth, etc., achieve stable flame combustion and reduce harmful gases The effect of reducing the flame temperature

Pending Publication Date: 2018-01-19
LIJU THERMAL EQUIP TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are several problems: 1. Poor flame stability, prone to flashback and deflagration; 2. Due to the fine mesh of the weaving fabric, it is easy to be blocked; 3. The emission of nitrogen oxides is high when the air excess coefficient is low.

Method used

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  • Burner of slotted type flame combustion device
  • Burner of slotted type flame combustion device
  • Burner of slotted type flame combustion device

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] The present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

[0028] refer to Figure 1 to Figure 11 , A slot type flame burning device involved in the present invention includes a burner and an air supply device, and the specific structure thereof is as follows.

[0029] The air supply device includes a blower 1, and a gas mixing device 2 is arranged on the air outlet of the blower 1, and a gas inlet 3 is arranged on the side of the gas mixing device 2, and the gas outlet end of the gas mixing device 2 passes through the flange 16. It is connected with the equal pressure chamber 13, and the gas outlet end of the equal pressure chamber 13 is connected with the burner.

[0030] The burner includes an upper water chamber 4 and a lower water chamber 5 that are symmetrically arranged up and down. Between the upper water chamber 4 and the lower water chamber 5, a grate 11 and a flame stabilization tub...

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PUM

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Abstract

Disclosed is a burner of a slotted type flame combustion device. The burner comprises an upper water chamber and a lower water chamber arranged symmetrically up and down. A fire gate and a flame stabilizing pipe which are vertically arranged side by side are arranged between the upper water chamber and the lower water chamber. Communicating pipes are arranged on two sides of the fire gate and theflame stabilizing pipe. The fire gate, the flame stabilizing pipe and the communicating pipes are hollow and communicate with the upper water chamber and the lower water chamber. According to the burner of the slotted type flame combustion device, mixed gas burns in the area of the fire gate and the flame stabilizing pipe, cooling water in the fire gate and the flame stabilizing pipe can take awayheat during burning, the flame temperature is lowered, and generation of nitric oxides is effectively reduced.

Description

technical field [0001] The invention belongs to the technical field of furnace combustion, and in particular relates to a burner in a slot-type flame combustion device. Background technique [0002] A steam boiler refers to an industrial boiler that heats water to a certain temperature and produces high-temperature steam. It is widely used in industrial production; natural gas is generally used as combustion gas in existing steam boilers. [0003] The main component of natural gas is methane. When it is mixed with air, nitrogen oxides will be produced due to the high temperature of the flame front, causing environmental pollution. According to Teridovich's combustion mechanism, when the temperature of the combustion flame front is higher than 1500 °C, nitrogen oxides begin to be generated, and the synthesis rate of nitrogen oxides increases by 6 to 7 times for every 100 °C increase in the flame front temperature. Therefore, controlling the temperature of the flame front is ...

Claims

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Application Information

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IPC IPC(8): F23D14/26F23D14/46F23D14/78
Inventor 王永强沈炳元黄观炼
Owner LIJU THERMAL EQUIP TECH
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