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A kind of automatic clearing system and clearing method for sampling hole of converter vaporization flue

A vaporization flue and sampling hole technology, which is applied in the direction of manufacturing converters, improving process efficiency, improving energy efficiency, etc., can solve the problems of harsh working conditions and environment of vaporization flue, clogging of sampling holes of detection devices, and difficulty in stable and reliable cleaning. , to achieve the effect of reducing maintenance, extending service life and ensuring stability

Active Publication Date: 2022-07-05
CHINA NAT HEAVY MACHINERY RES INSTCO
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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 overcome the deficiencies of the above-mentioned prior art, and provide an automatic system and method for clearing the sampling hole of the converter vaporization flue, which overcomes the poor working conditions and the detection of pressure in the vaporization flue in the prior art. The sampling hole of the device is often blocked, and the current conventional nitrogen and other purging devices are difficult to clean up stably and reliably

Method used

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  • A kind of automatic clearing system and clearing method for sampling hole of converter vaporization flue

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specific Embodiment approach

[0029] It should be noted that the structures, proportions, sizes, etc. shown in this specification are only used to cooperate with the contents disclosed in the specification, so as to be understood and read by those who are familiar with this technology, and are not used to limit the conditions that the present invention can be implemented. , any modification of the structure, the change of the proportional relationship or the adjustment of the size, without affecting the effect that the present invention can produce and the purpose that can be achieved, should still fall within the scope that the technical content disclosed in the present invention can cover .

[0030] At the same time, the terms such as "up", "down", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description and clarity, and are not used to limit this specification. The implementable scope of the invention, and the change or adjustment of the relative relat...

Embodiment 1

[0032] like figure 1As shown in the figure, the present invention discloses an automatic blockage removal system for the sampling hole of the converter vaporization flue, which includes a purging pipeline, a purging driving pipeline, a sampling driving pipeline, a sampling pipeline, a sampling hole control valve group, a needle driving pipeline, and a valve group. One end of the driving pipeline, the poking needle 13 and the control assembly, the purging pipeline, the purging driving pipeline, the sampling driving pipeline, the poking needle driving pipeline and the valve group driving pipeline are respectively connected with the nitrogen input pipeline, and the other end of the purging pipeline is connected with the sampling pipeline. The other end of the purging drive pipeline is connected to the purging pipeline, the other end of the sampling drive pipeline is connected to the sampling pipeline, the other end of the needle drive pipeline is connected to the needle 13, the ot...

Embodiment 2

[0036] preferably, as figure 1 As shown, the sampling pipeline includes two sampling manual valves 6 and one sampling pneumatic valve 7, the two ends of the sampling pneumatic valve 7 are respectively connected to the sampling manual valve 6 through pipelines, and the other end of the one sampling manual valve 6 is connected to the converter vaporization through pipelines. The flue sampling hole and the other end of the other sampling manual valve 6 are connected to the PT detection instrument through the pipeline.

[0037] preferably, as figure 1 As shown, the sampling drive pipeline includes a sampling drive manual valve 4, a sampling drive solenoid valve 19 and a sampling drive cylinder 20, wherein one end of the sampling drive manual valve 4 is connected to the nitrogen main valve 1 of the nitrogen input pipeline through a pipeline, and the sampling drive manual valve 4 The other end is connected to the sampling drive solenoid valve 19 through the pipeline, and the other ...

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Abstract

The invention discloses an automatic blockage removal system and a blockage removal method for a sampling hole of a converter vaporization flue. One ends of a purge pipeline, a purge drive pipeline, a sampling drive pipeline, a needle drive pipeline and a valve group drive pipeline are respectively connected with a nitrogen input pipeline. The other end of the purge line is connected to the sampling line, the other end of the purge drive line is connected to the purge line, the other end of the sampling drive line is connected to the sampling line, the other end of the needle drive line is connected to the needle, and the other end of the valve group drive line is connected to the sampling hole control. Valve group, the position of the needle is opposite to the sampling hole control valve group, the other end of the sampling hole control valve group is connected to the sampling hole of the converter vaporization flue, and the needle, the sampling hole control valve group and the converter vaporization flue sampling hole are on the same axis Above, one end of the sampling line is connected to the sampling hole of the converter vaporization flue, and the other end of the sampling line is connected to the PT detection instrument. .

Description

technical field [0001] The invention belongs to the technical field of clearing blockage of a converter vaporization flue, and particularly relates to an automatic blockage clearing system and a blockage clearing method for sampling holes of a converter vaporization flue. Background technique [0002] Oxygen converter steelmaking flue gas is one of the main air pollutants produced in the converter steelmaking industrial production process. The coal gas and iron-containing dust in the converter flue gas must be recovered and utilized. Since the converter steelmaking flue gas temperature is as high as 1600 degrees, so The first process after the converter flue gas is generated is to use the vaporization cooling flue to cool down, and at the same time, to recover the steam generated by heat exchange. In order to make the gas recovery larger, and effectively and accurately control the fan speed of the system, devices such as pressure taking are often installed on the flue. Due ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C21C5/46C21C5/40
CPCC21C5/4673C21C5/40Y02P10/25
Inventor 李永辉李新强边靖高璐吴量马莉莉
Owner CHINA NAT HEAVY MACHINERY RES INSTCO
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