Mechanical magnetic oxygen meter pretreatment system for on-line detection of cracked gas oxygen content

A technology of surface pretreatment and oxygen content, applied in the field of chemical gas detection, can solve the problems of display error, unfavorable normal operation of the device, economic loss, etc., achieve the effect of good water removal and dust removal, and reduce the replacement time of filter element packing

Active Publication Date: 2021-06-22
重庆弛源化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the use of the magnetic oxygen meter, due to unreasonable selection of materials for the pretreatment system, unreasonable design of the size of the water scrubber, and unreasonable design of the gas-liquid separator, etc., the online analysis of oxygen content is inaccurate, the stability is poor, and the display is seriously lagging behind. Etc., it is prone to display errors, causing the device to stop by mistake, etc., resulting in large economic losses, which is not conducive to the normal operation of the device

Method used

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  • Mechanical magnetic oxygen meter pretreatment system for on-line detection of cracked gas oxygen content
  • Mechanical magnetic oxygen meter pretreatment system for on-line detection of cracked gas oxygen content

Examples

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Effect test

Embodiment 1

[0032] This embodiment relates to a mechanical magnetic oxygen meter pretreatment system for on-line detection of oxygen content in cracked gas, and its structural diagram is as follows figure 1 : Including coarse filter 1, water scrubber 2, gas-liquid separation tank 3, water eliminator, bypass filter 7, analyzer five-way valve 10 connected in sequence, the outlet of coarse filter 1 is connected to the inlet of water scrubber 2, The outlet of the water washer 2 is connected to the inlet of the gas-liquid separation tank 3, wherein the water washer 2 includes a gas sample inlet 21, a gas sample outlet 22, an overflow water sample inlet 23 and an overflow water sample outlet 24, and the water washer 2 has a diameter of 90mm. The length is 1200mm, the overflow water sample outlet 23 of the water washer is 25mm in size, and the overflow water sample outlet 23 of the water washer is 40mm in height from the gas sample outlet 22; The primary water eliminator 6, the inlet of the prim...

Embodiment 2

[0034] This embodiment relates to a mechanical magnetic oxygen meter pretreatment system for on-line detection of oxygen content in cracked gas, and its structural diagram is as follows figure 1 : Including coarse filter 1, water scrubber 2, gas-liquid separation tank 3, water eliminator, bypass filter 7, analyzer five-way valve 10 connected in sequence, the outlet of coarse filter 1 is connected to the inlet of water scrubber 2, The outlet of the water washer 2 is connected to the inlet of the gas-liquid separation tank 3, wherein the water washer 2 includes a gas sample inlet 21, a gas sample outlet 22, an overflow water sample inlet 23 and an overflow water sample outlet 24, and the water washer 2 has a diameter of 80mm. The length is 1000mm, the overflow water sample outlet 23 of the water washer is 20mm in size, and the overflow water sample outlet 23 of the water washer is 80mm in height from the gas sample outlet 22; The primary water eliminator 6, the inlet of the prim...

Embodiment 3

[0036] This embodiment relates to a mechanical magnetic oxygen meter pretreatment system for on-line detection of oxygen content in cracked gas, and its structural diagram is as follows figure 1 : Including coarse filter 1, water scrubber 2, gas-liquid separation tank 3, water eliminator, bypass filter 7, analyzer five-way valve 10 connected in sequence, the outlet of coarse filter 1 is connected to the inlet of water scrubber 2, The outlet of the water washer 2 is connected to the inlet of the gas-liquid separation tank 3, wherein the water washer 2 includes a gas sample inlet 21, a gas sample outlet 22, an overflow water sample inlet 23 and an overflow water sample outlet 24, and the water washer 2 has a diameter of 80mm. The length is 1000mm, the overflow water sample outlet 23 of the water washer is 25mm in size, and the overflow water sample outlet 23 of the water washer is 200mm high from the gas sample outlet 22; the water eliminator includes a first water eliminator 4, ...

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Abstract

The invention relates to a mechanical magnetic oxygen meter pretreatment system and method for on-line detection of oxygen content in cracked gas. The pretreatment method includes the following steps: a sampling probe sends the cracked gas sample to a coarse filter for dust removal, and then washes it with water. The liquid water is removed and the temperature is lowered by the device, and then the gas-liquid separation is carried out through the gas-liquid separation tank; the separated gas is further dewatered by the first-level water eliminator, and then the gas-liquid separation is carried out through the gas-liquid separator; the separated gas is then Demist and dehumidify through the aerosol decontamination device, demist and then go through the secondary water eliminator to dewater again, the dewatered gas goes through the three-stage water eliminator for delicate dehydration, and then filter through the bypass filter, One side enters the bypass and returns, and the other side enters the five-way valve of the analyzer. After passing through the five-way valve, the sample passes through the water stopper to remove water, and then enters the analyzer for oxygen content detection and analysis. After the cracked gas sample is processed by this processing system, and then analyzed online, the oxygen content obtained has high accuracy, strong stability, and is not prone to errors.

Description

technical field [0001] The invention belongs to the field of chemical gas detection, and in particular relates to a mechanical magnetic oxygen meter pretreatment system and method for on-line detection of cracked gas oxygen content. Background technique [0002] Acetylene is widely used to synthesize a series of organic products such as acetaldehyde, acetic acid, plastics, fibers, etc. The main raw materials for the production of acetylene are calcium carbide and natural gas. For a long time, the calcium carbide method has been used to produce acetylene in China, but due to its large pollution, the calcium carbide method is used to produce acetylene. will become increasingly difficult. With the continuous enhancement of people's environmental awareness, many domestic enterprises have begun to use natural gas as raw material to produce acetylene. For example, Chongqing Chiyuan Chemical Industry uses the partial oxidation of natural gas to produce acetylene, fully mixing natur...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/34
CPCG01N1/34
Inventor 肖文国舒洪斌左宏学代黎明王海峰
Owner 重庆弛源化工有限公司
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