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Measuring method of blast furnace gas occurrence amount

A blast furnace gas and generation technology, which is applied in volume measurement instruments/methods, blast furnaces, blast furnace details, etc., can solve problems such as affecting energy scheduling and the inability to obtain blast furnace gas generation.

Inactive Publication Date: 2018-09-11
JIANGSU YONGGANG GROUP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The amount of blast furnace gas is usually detected by a flow meter, but when the flow meter fails or there is no flow meter on the pipeline, the amount of blast furnace gas generation cannot be obtained, which will seriously affect energy scheduling

Method used

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  • Measuring method of blast furnace gas occurrence amount
  • Measuring method of blast furnace gas occurrence amount
  • Measuring method of blast furnace gas occurrence amount

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Embodiment Construction

[0015] The present invention will be further described in detail below in conjunction with specific embodiments.

[0016] A method for measuring and calculating the amount of blast furnace gas generated, the process steps are as follows:

[0017] (1) Detection of Q air and And CO%, CO in blast furnace gas 2 %, H 2 %, Q air is the cooling air volume, is the oxygen enrichment, CO% is the percentage content of carbon monoxide in the blast furnace gas, CO 2 % is the percentage content of carbon dioxide in blast furnace gas, H 2 % is the percentage content of hydrogen in blast furnace gas; in this implementation, Q air 163680Nm 3 / h, 7471Nm 3 / h, CO% is 24.58%, CO 2 % is 17.88%, H 2 % is 1.21%;

[0018] (2) put Q air , CO%, CO 2 %, H 2 % is substituted into the calculation formula of the theoretical generation of blast furnace gas for calculation, and the calculation formula of the theoretical generation of blast furnace gas is:

[0019]

[0020] In the for...

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Abstract

The invention discloses a measuring method of blast furnace gas occurrence amount. The measuring method comprises the following technical steps of 1, detecting Qair, Qo2 which is shown in the description, and CO%, CO2% and H2% in blast furnace gas, wherein Qair represents the cold blast amount, the Qo2 represents the enriched oxygen amount, CO% represents the percent of carbon monoxide in the blast furnace gas, CO2% represents the percent of carbon dioxide in the blast furnace gas and H2% represents the percent of hydrogen in the blast furnace gas; 2, substituting Qair, Qo2, CO%, CO2% and H2%into a blast furnace gas theory occurrence amount calculation formula for calculation, wherein the blast furnace gas theory occurrence amount calculation formula is shown in the description, Qco represents the blast furnace gas occurrence amount, X represents the enriched oxygen rate which is shown in the description, b represents the purity of oxygen in enriched oxygen, Nco represents the contentof nitrogen in the blast furnace gas, and Nco is equal to (1-CO2%-CO%-H2%)*100%; 3, obtaining the blast furnace gas occurrence amount, wherein the blast furnace gas occurrence amount is equal to Qco*K, and the proportionality coefficient K is within the range of 1.11-1.15. According to the measuring method, the blast furnace gas occurrence amount can be accurately measured.

Description

technical field [0001] The invention relates to the technical field of energy metering, in particular to a method for measuring and calculating the amount of blast furnace gas generated. Background technique [0002] The amount of blast furnace gas is usually detected by a flow meter, but when the flow meter fails or there is no flow meter on the pipeline, the amount of blast furnace gas generation cannot be obtained, which will seriously affect energy scheduling. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a method for measuring and calculating the amount of blast furnace gas generated. [0004] In order to solve the above problems, the technical solution adopted in the present invention is: a method for measuring and calculating the amount of blast furnace gas, which is characterized in that: its process steps are as follows: [0005] (1) Detection of Q air and And CO%, CO in blast furnace gas 2 %, H ...

Claims

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Application Information

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IPC IPC(8): G06F17/50G01N21/00G01F22/00C21B5/00
CPCC21B5/00G01F22/00G01N21/00G06F30/20
Inventor 孙伟李淼张娟陈东华赵晓明
Owner JIANGSU YONGGANG GROUP CO LTD
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