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Calculate the method and device of the amount of fuel volume

A technology for calculating the amount of fuel and determining the method, which is applied in the field of boilers and can solve problems such as inaccuracy

Active Publication Date: 2019-02-19
NORTH CHINA ELECTRICAL POWER RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the case of inaccurate calculation of the amount of fuel, the air volume required for actual combustion and the volume of flue gas generated according to the existing calculation methods are not accurate enough compared with the actual volume, and there are many problems in the designed boiler.

Method used

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  • Calculate the method and device of the amount of fuel volume
  • Calculate the method and device of the amount of fuel volume
  • Calculate the method and device of the amount of fuel volume

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Embodiment Construction

[0059] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. Here, the exemplary embodiments and descriptions of the present invention are used to explain the present invention, but not to limit the present invention.

[0060] The inventors found that in the prior art, the combustion characteristics based on coal types directly determine q 4 amount, but q 4 In addition to the combustion characteristics of the coal, the size of q is also related to the content of its carrier ash. The coal with the same combustion characteristics has a large amount of ash q 4 bigger. Based on this, an embodiment of the present invention provides a determination method for calculating the fuel amount. figure 1 It is a schematic diagram of a determination method for calculating fuel quantity in an emb...

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Abstract

The present invention discloses a method and apparatus for determining a calculated fuel quantity. The method comprises: according to a coal type, determining carbon content of flying ash; according to the carbon content of the flying ash, determining mechanical imperfect combustion heat loss; and according to the mechanical imperfect combustion heat loss, determining the calculated fuel quantity. According to the present invention, relative to the prior art, the method and the apparatus can obtain the more accurate calculated fuel quantity, are beneficial for obtaining an accurate air volume required by actual combustion and a volume of generated flue gas and avoid the related problems of a designed boiler.

Description

technical field [0001] The invention relates to the technical field of boilers, in particular to a determination method and device for calculating the amount of fuel. Background technique [0002] The traditional boiler thermal calculation considers that when coal is burned, some coal powder is not completely combusted to release heat, so it is equivalent to 1kg of fuel with only (1-q 4 / 100)kg of fuel participated in the combustion reaction, and the corrected fuel quantity of this part is the calculated fuel quantity, where q 4 It is the mechanical incomplete combustion heat loss. The mechanical incomplete combustion heat loss refers to the heat loss caused by part of the solid fuel particles being discharged outside the furnace without being burned out in the furnace, which is the proportion of incompletely burned coal powder to the total fuel. The formula for calculating the amount of fuel is as follows: [0003] [0004] Among them, B j is the calculated fuel quan...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/50
Inventor 赵振宁张清峰李媛园李金晶
Owner NORTH CHINA ELECTRICAL POWER RES INST