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Oxygen detection system for coke oven gas

A technology for oxygen detection and coke oven gas, which is applied in the field of detection equipment, can solve the problems of inaccurate oxygen sensor measurement and unsustainable detection of oxygen concentration, and achieve the effects of fast detection speed, simple structure, and improved detection efficiency

Inactive Publication Date: 2020-01-10
成都凯圣捷科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides an oxygen detection system for coke oven gas to solve the technical problems that the oxygen concentration in coke oven gas cannot be continuously detected and the oxygen sensor in the prior art is inaccurate in measurement

Method used

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  • Oxygen detection system for coke oven gas
  • Oxygen detection system for coke oven gas
  • Oxygen detection system for coke oven gas

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Such as Figure 1 to Figure 5 As shown, the oxygen detection system for coke oven gas of the present invention includes an inlet pipe 11, an outlet pipe 12 and a sealed explosion-proof cabinet 1, and the explosion-proof cabinet 1 is provided with a cooler 2 and a purifier 3, and the explosion-proof An oxygen detection device 4 is arranged in the cabinet 1, and an oxygen sensor 46 is arranged in the oxygen detection device 4, and the inlet pipe 11 is connected with the outlet pipe 12 through the cooler 2, the purifier 3 and the oxygen detection device 4 in sequence. The cooler 2 includes a first housing 21, a heat exchange cavity 201 is arranged in the first housing 21, a heat exchange tube 202 and a cooling tube 203 are arranged in the heat exchange cavity 201, and a The first air inlet 204 connected to the air inlet pipe 11, the first air outlet 205, the medium port 206 communicating with the heat exchange chamber 201, the cold air inlet 207 and the cold air outlet 208...

Embodiment 2

[0046] This embodiment is a further improvement made on the basis of Embodiment 1, as Figure 6 As shown, the explosion-proof cabinet 1 is also provided with a separation device 5, and the purifier 3 is connected to the oxygen detection device 4 through the separation device 5; the separation device 5 includes a detachable third housing, and the third The housing includes a third upper end cap 51, a third lower end cap 53 and a third cylinder 52 arranged between the third upper end cap 51 and the third lower end cap 53, the third cylinder 52 is filled with color-changing silica gel 54 , the third upper end cover 51 is provided with a third air inlet 55 and a third air outlet 56 .

[0047] Working principle: The coke oven gas treated by the purifier enters the separation device again, and the discoloration silica gel in the separation device can separate out tar, moisture and other substances in the coke oven gas again, and the water will change color after contacting with the ...

Embodiment 3

[0049] This embodiment is a further improvement made on the basis of Embodiment 2, as Figure 7 As shown, the explosion-proof cabinet 1 is also provided with an adsorption device 6, and the separation device 5 is connected with the oxygen detection device 4 through the adsorption device 6; the adsorption device 6 includes a detachable fourth housing, and the fourth The housing includes a fourth upper end cap 61, a fourth lower end cap 63 and a fourth cylinder 62 arranged between the fourth upper end cap 61 and the fourth lower end cap 63, the fourth cylinder 62 is filled with absorbent cotton 64 , the fourth upper end cover 61 is provided with a fourth air inlet 65 and a fourth air outlet 66 .

[0050] Working principle: The coke oven gas treated by the separation device enters the adsorption device again, and the adsorption cotton in the adsorption device can filter out the impurities and moisture in the coke oven gas again, so that the coke oven gas is more pure, convenient ...

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Abstract

The invention discloses an oxygen detection system for coke oven gas. The system comprises an air incoming pipe, an air outgoing pipe and a sealed explosion-proof cabinet; a cooler and a purifier arearranged on the explosion-proof cabinet; an oxygen detection device is arranged in the explosion-proof cabinet; an oxygen sensor is arranged in the oxygen detection device; and the air incoming pipe is connected with the air outgoing pipe through the cooler, the purifier and the oxygen detection device sequentially. According to the system, the coke oven gas is subjected to crystallization and multiple filtration, so that tar which can cause pipeline blockage and gas which is crystallized into a solid at a certain temperature in the coke oven gas can be removed, so that the coke oven gas entering the oxygen detection device is purer and convenient to detect, and therefore, detection accuracy is improved. The detection system can continuously detect the oxygen concentration of the coke ovengas all the time, so that the oxygen concentration is monitored in real time, and therefore, a production safety coefficient is improved, and the problem that the oxygen concentration of the coke oven gas conveyed to the pipeline of an electrical tar precipitator is difficult to analyze is solved. The system has the advantages of simple structure and high automation degree.

Description

technical field [0001] The invention relates to the field of detection equipment, in particular to an oxygen detection system for coke oven gas. Background technique [0002] In coal chemical industry, petroleum, natural gas, chemical industry and other fields, due to the production or combustion will produce a large amount of coke oven gas, coke oven gas contains tar, naphthalene, moisture, oxygen, hydrogen and methane and other substances, so coke oven gas is flammable When the oxygen concentration in the coke oven gas is too high (>1.2%), static electricity or sparks will cause a catastrophic explosion, endangering people's lives. Therefore, in the actual production process, it is necessary to detect the oxygen concentration in the coke oven gas to ensure the safety of the site. [0003] The traditional detection of oxygen concentration in coke oven gas mainly relies on oxygen sensors for detection, and the oxygen sensors can only detect samples during the detection p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/60G01N1/42G01N1/34
CPCG01N27/60G01N1/42G01N1/34
Inventor 王斌
Owner 成都凯圣捷科技有限公司
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