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

A technology of vaporization flue and sampling hole, which is applied in the manufacture of converters, etc., can solve the problems of poor working conditions of vaporization flue, blockage of sampling hole of detection device, difficulty in stable and reliable cleaning, etc., so as to reduce maintenance and prolong service life , the effect of simple structure

Active Publication Date: 2022-07-01
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 dredging system and dredging method for the sampling hole of the converter vaporization flue, which overcomes the poor working conditions in the vaporization flue in the prior art, and the detection of pressure etc. 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 dredging system and dredging method for sampling hole of converter vaporization flue
  • A kind of automatic dredging system and dredging method for sampling hole of converter vaporization flue

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specific Embodiment approach

[0028] 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 .

[0029] 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

[0031] like figure 1 As shown in the figure, the present invention discloses an automatic dredging system for sampling holes of a converter vaporization flue, including a valve group control pipeline, a dredging device control pipeline, a sampling hole control valve group, a dredging device 6 and a control assembly, the valve group One end of the control pipeline is connected to the nitrogen input pipeline, the other end of the valve group control pipeline is connected to the sampling hole control valve group, one end of the dredging device control pipeline is connected to the nitrogen input pipeline, and the other end of the dredging device control pipeline is connected to the dredging device 6. The sludge tank 6 is located opposite to the sampling hole control valve group, the sampling hole control valve group is connected to the sampling hole of the converter vaporization flue, and the sludge cleaner 6, the sampling hole control valve group and the converter vaporization flu...

Embodiment 2

[0034] preferably, as figure 1 As shown, the valve group control pipeline includes a valve group control manual valve 2, a second solenoid valve 10 and a second cylinder 9, one end of the valve group control manual valve 2 is connected to the nitrogen main valve 1 of the nitrogen input pipeline through a pipeline, and the valve group control The other end of the manual valve 2 is connected to the second solenoid valve 10 through a pipeline, the other end of the second solenoid valve 10 is connected to the second cylinder 9 through a pipeline, and the second cylinder 9 has a rod end connected to the sampling hole control valve group, and the second solenoid valve 10 Electrically connected to the control assembly.

[0035] The valve group control manual valve 2 is generally in a normally open state. When the second solenoid valve 10 is under maintenance or maintenance, the valve group can be manually controlled to control the opening and closing of the manual valve 2 .

[0036]...

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Abstract

The invention discloses an automatic dredging system and a dredging method for a sampling hole of a converter vaporization flue, comprising a valve group control pipeline, a dredging device control pipeline, a sampling hole control valve group, a dredging device (6) and a control assembly. One end of the valve group control pipeline is connected to the nitrogen input pipeline, the other end of the valve group control pipeline is connected to the sampling hole control valve group, one end of the described dredging device control pipeline is connected to the nitrogen input pipeline, and the other end of the dredging device control pipeline is connected to the dredging device (6). ), the dredging device (6) is located opposite to the sampling hole control valve group, the sampling hole control valve group is connected to the sampling hole of the converter vaporization flue, and the dredging device (6), the sampling hole control valve group and the converter vaporization flue The sampling holes are on the same axis, and the valve group control line, the dredger control line and the nitrogen input line are respectively electrically connected with the control assembly.

Description

technical field [0001] The invention belongs to the technical field of dredging of converter vaporization flue, and particularly relates to an automatic dredging system and a dredging method for sampling holes of 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 to the high temperature of flue...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C21C5/40C21C5/46
CPCC21C5/40C21C5/46
Inventor 李永辉李新强高璐吴量马莉莉李传东
Owner CHINA NAT HEAVY MACHINERY RES INSTCO
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