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A method for detecting water yield of steel hot briquetting block

A technology for hot briquetting and water yield, applied in the field of steelmaking, can solve problems such as inaccurate detection results, and achieve the effects of improving detection accuracy, reducing error in detection results, and avoiding excessive detection results.

Active Publication Date: 2022-05-24
TANGSHAN CAOFEIDIAN DISTRICT TONGXIN RENEWABLE RESOURCE RECYCLING
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Problems solved by technology

[0004] For this reason, the present invention provides a method for detecting the water yield of hot-pressed steel blocks to overcome the problem of inaccurate detection results of hot-pressed samples in the prior art

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  • A method for detecting water yield of steel hot briquetting block
  • A method for detecting water yield of steel hot briquetting block
  • A method for detecting water yield of steel hot briquetting block

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Embodiment Construction

[0107] In order to make the purpose and advantages of the present invention clearer, the present invention will be further described below with reference to the embodiments; it should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

[0108] Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principle of the present invention, and are not intended to limit the protection scope of the present invention.

[0109] It should be noted that, in the description of the present invention, the terms “upper”, “lower”, “left”, “right”, “inner”, “outer” and other terms indicated in the direction or the positional relationship are based on the drawings. The direction or positional relationship shown is only for the conve...

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Abstract

The invention relates to a method for detecting the water yield of a steel hot briquetting block. Samples are taken from a car equipped with the steel hot briquetting block, and a steel hot briquetting block is taken from a car as a sample block and the quantity of the obtained sample block is measured. When the specified value is reached, it is compiled into a group of sample blocks, and the four points of each sample block are drilled for iron filings, and a group of iron filings are gathered into the crucible, and the iron filings are melted by a high-frequency induction furnace during the melting process. Constantly adjust the current to reduce the spatter of iron filings during the melting process. After heating until the slag and iron are separated, the induction furnace is closed. After the temperature reaches a certain level, the crucible is taken out for cooling. After cooling, the crucible is broken open, and the sample block is taken out and removed Surface impurities, calculate the water yield of the sample. The present invention avoids the phenomenon of large error due to material non-uniformity through group sample preparation, and increases the calculation accuracy of the water yield of the steel hot briquetting block.

Description

technical field [0001] The invention relates to the technical field of steelmaking, in particular to a method for detecting the water yield of a hot briquetting block of steel. Background technique [0002] The hot-pressed block is produced by the direct reduction technology of fine ore. The iron ore is improved to 67.5-68% after beneficiation. The reducing gas is natural gas. The reformed natural gas is processed into H2 and CO. The ore and the reducing gas flow in the opposite direction. After four-stage reduction, sponge iron is obtained, and then hot-pressed molding is performed to obtain the final product----hot-briqueted iron. , which contains 92%-93% of total iron, 1-1.1% of carbon, 0.01% of harmful elements, and the content of powder is less than 2%. Hot briquetted iron has the common characteristics of ordinary sponge iron: high purity, low content of harmful impurities, which is conducive to the production of high-quality steel, uniform quality, high strength, lo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N5/04
CPCG01N5/04
Inventor 陈秋生赵立红朱海丰
Owner TANGSHAN CAOFEIDIAN DISTRICT TONGXIN RENEWABLE RESOURCE RECYCLING
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