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Boiler combustion system

A boiler combustion and boiler technology, which is applied in the field of boiler combustion system, can solve the problems of high cost and large energy consumption, and achieve the effects of easy ignition, improving combustion utilization rate and reducing cost

Active Publication Date: 2017-10-10
杭州富丽达热电有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The disadvantage of this solution is that the air preheater preheats the air entering the boiler through external heating to improve combustion efficiency
That is, it needs to consume external energy again, resulting in large energy consumption and high cost

Method used

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Examples

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Embodiment Construction

[0048] The present invention will be further described with reference to the accompanying drawings.

[0049] like figure 1 As shown, a boiler combustion system includes a raw coal bunker 1, a boiler 2, a cyclone separator 3, an electrostatic precipitator 4, a desulfurization device 5 and a chimney 6 in sequence.

[0050] like figure 1 and figure 2 As shown, the raw coal bunker 1 is provided with several. The lower end of the raw coal bunker 1 is provided with a first discharge hopper 7, and a valve is provided at the opening of the lower end of the first discharge hopper 7. like figure 2 and image 3 As shown, the lower end of the first discharge hopper 7 is provided with a metering belt 8 and a rotating roller 9 . like image 3 and Figure 4 As shown, the metering belt 8 is sleeved outside the rotating roller 9, and there are two rotating rollers 9, which are located at both ends of the metering belt 8 respectively. One end of one of the rotating rollers 9 is coaxi...

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Abstract

The invention discloses a boiler combustion system. The boiler combustion system comprises raw coal bins, a boiler, metering belts, a cyclone separator, a wind discharge pipe, an electric dust collector, a desulphurization device used for desulphurization and a chimney. An oxygen preheater and an air preheater are arranged in the wind discharge pipe. One end of the oxygen preheater is provided with an oxygen pipe, and the other end of the oxygen preheater is connected with a thermal oxygen pipe. The thermal oxygen pipe penetrates through the boiler. The end, away from the oxygen preheater, of the thermal oxygen pipe communicates with the boiler. Oxygen and air are heated by waste gas in the wind discharge pipe and then go into the boiler. Thus, on the premise of heating oxygen and air, an external energy source is not needed, and energy consumption and cost are reduced. Oxygen and air are introduced into the boiler simultaneously, so that the oxygen content in the boiler is regulated, fuel in the boiler is combusted more sufficiently, and the combustion utilization rate of the fuel is increased.

Description

technical field [0001] The invention relates to boiler combustion equipment, in particular to a boiler combustion system. Background technique [0002] The boiler is an indispensable piece of equipment in many productions that require the use of steam. By burning fuel, steam is evaporated for production. In the process of steam production, the state of boiler combustion has a very significant impact on steam production and fuel utilization. From Arrhenius' law, the higher the absolute temperature, the faster the chemical reaction in the boiler. Therefore, when the bleed air enters the boiler, the air needs to be heated to improve the combustion efficiency. [0003] For example, the patent with the announcement number CN202032602U discloses a lignite drum flue gas pre-drying power generation integrated system, which combines the lignite drum flue gas drying system with the boiler combustion system of the thermal power plant, including sequentially connected boiler coal supp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23B40/00F23L15/00
CPCF23B40/00F23L15/00Y02E20/34
Inventor 钱军黄科体
Owner 杭州富丽达热电有限公司
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