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Energy saving micro oil and natural gas igniting powder coal burner

A pulverized coal combustion and natural gas technology, which is applied in the direction of burners, combustion ignition, combustion methods, etc., can solve the problems of energy waste and large fuel consumption

Inactive Publication Date: 2009-08-26
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that the combustion device of the existing coal-fired boiler in the power station has a large amount of fuel oil, which causes energy waste, and provides an energy-saving micro-oil and natural gas ignited pulverized coal combustion device

Method used

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  • Energy saving micro oil and natural gas igniting powder coal burner
  • Energy saving micro oil and natural gas igniting powder coal burner

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Experimental program
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specific Embodiment approach 1

[0005] Specific implementation mode one: (see figure 1 , figure 2 ) This embodiment is composed of boiler primary air pulverized coal inlet radius joint 1, horizontal thick and thin coal pulverized separator 2 and coal pulverized combustion device 3, the outlet end of the boiler primary air pulverized coal inlet square radius joint 1 and the horizontal thick and thin coal pulverized separator 2 The inlet end of the horizontal thick-lean pulverized coal separator 2 is fixedly connected with the inlet end of the pulverized coal combustion device 3. , oil gas, natural gas ignition gun interface 3-3, secondary trace oil, oil gas, natural gas ignition gun interface 3-11, tube barrel 3-12, secondary air chamber 3-7 on the side of the pulverized coal combustion device, and nozzle 3-10 , the inlet end of the tube 3-12 is connected with the outlet end of the horizontal thick-lean pulverized coal separator 2, the first pulverized coal diversion block 3-1 is arranged at the inlet end o...

specific Embodiment approach 2

[0006] Specific implementation mode two: (see figure 1 , figure 2 ) The difference between this embodiment and the specific embodiment one is that it increases two vertical partitions 3-5 of the pulverized coal primary combustion chamber, and the vertical partitions 3-5 of the two primary combustion chambers of pulverized coal are respectively fixed on the primary trace oil , oil gas, natural gas ignition gun interface 3-3 and the tube barrel 3-12 at the outlet of the secondary trace oil, oil gas, natural gas ignition gun interface 3-11. Other compositions and connections are the same as in the first embodiment. The effect of the vertical dividing plate 3-5 of the pulverized coal primary combustion chamber is to make the oil and gas of combustion easily ignite the pulverized coal.

specific Embodiment approach 3

[0007] Specific implementation mode three: (see figure 1 , figure 2 ) The difference between this embodiment and specific embodiment two is that it increases the horizontal partition plate 3-6 in the primary combustion chamber of pulverized coal, and the horizontal partition plate 3-6 in the primary combustion chamber of pulverized coal is fixed on the vertical partition of two primary combustion chambers of pulverized coal. In the tube tube 3-12 on the upper side of the plate 3-5. Other compositions and connections are the same as those in the second embodiment. The effect of the transverse partition 3-6 in the pulverized coal primary combustion chamber is to make the burning oil and gas easily ignite the pulverized coal.

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Abstract

A pulverized-coal burning device being ignited by trace amount of oil and natural gas is prepared for setting guide stop dog of pulverized-coal at inlet end in pipe barred, fixing interfaces of the first and the second trace amount oil and natural gas igniters on bottom of external side at pipe barrel and connecting two said igniters to internal of pipe barrel, fixing secondary air chamber at side of pulverized-coal burning device on external side at front of pipe barrel and fixing nozzle at outlet end of pulverized-coal burning device set at front of pipe barrel.

Description

technical field [0001] The invention relates to a pulverized coal combustion device. Background technique [0002] The combustion device and the ignition oil gun of the existing power station coal-fired boiler are set as follows: 1. The combustion device and the ignition oil gun are respectively installed, and the ignition oil gun is arranged in the secondary air nozzle of the boiler, and all mechanical atomization oil guns are used; 2. The oil gun is set in the nozzle of the burner, and generally adopts mechanical atomization or steam atomization. The problem that above two kinds of modes exist is that fuel consumption is big, causes energy waste. In recent years, as the global energy consumption has increased year by year, the international crude oil price has continued to rise, and the National Development and Reform Commission has put forward higher requirements for energy utilization and energy conservation. Colleges, universities and scientific research institutes ac...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23D1/00F23Q9/08
Inventor 陈力哲孙锐孙绍增李争起李瑞扬吴少华鞠胤宏秦裕琨
Owner HARBIN INST OF TECH
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