CN216411071U - A safety inspection device and adsorption equipment for ensureing VOCs adsorption tanks steady operation - Google Patents

A safety inspection device and adsorption equipment for ensureing VOCs adsorption tanks steady operation Download PDF

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Publication number
CN216411071U
CN216411071U CN202122374513.7U CN202122374513U CN216411071U CN 216411071 U CN216411071 U CN 216411071U CN 202122374513 U CN202122374513 U CN 202122374513U CN 216411071 U CN216411071 U CN 216411071U
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detection
gas
adsorption tank
adsorption
safety
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杨旭东
汪大闪
范飞飞
杨昕
高艳松
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Wuhan Xurihua Environmental Protection Technology Co ltd
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Wuhan Xurihua Environmental Protection Technology Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
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Abstract

The utility model provides a safety detection device and adsorption equipment for ensuring stable operation of a VOCs adsorption tank, wherein one end of a detection pipe is communicated with an air outlet part of the adsorption tank; the pretreatment module is arranged on the detection pipe and is used for pretreating gas in the detection pipe; a detection probe of the gas concentration detection module extends into the detection pipe, the detection probe is positioned on one side of the pretreatment module, which is back to the gas outlet part of the adsorption tank, the gas concentration detection module is connected with a signal feedback line, and the signal feedback line is used for interlocking with a fire safety device; the detection tube is provided with an air supplementing port and an air exhaust port which are respectively positioned at two sides of the detection probe. The utility model provides a technical scheme's beneficial effect is: the detection device is directly installed on the detected adsorption tank in situ, the problem caused by the arrangement of an air pump is avoided, the gas with smaller humidity is supplemented to be mixed with the detected gas, the interference of the humidity to the detection signal is reduced, the detection is reliable, and the safety of stable operation of the adsorption device is well guaranteed.

Description

A safety inspection device and adsorption equipment for ensureing VOCs adsorption tanks steady operation
Technical Field
The utility model relates to the technical field of waste gas treatment, in particular to a safety detection device and adsorption equipment for ensuring stable operation of VOCs adsorption tanks.
Background
Volatile Organic Compounds (VOCs) are a general term for a class of Compounds, generally refer to Volatile Organic chemicals having high vapor pressure at normal temperature and pressure, and mainly include alkanes, olefins, aromatic hydrocarbons, various oxygen-containing hydrocarbons, halogenated hydrocarbons, nitrogen hydrocarbons, sulfur hydrocarbons, low-boiling polycyclic aromatic hydrocarbons, and the like, which are Organic pollutants that generally exist in air and have complex compositions. At present, the adsorption process for treating VOCs is a traditional VOCs treatment technology, and has the advantages of wide application range and high efficiency. The active carbon porous material has good adsorption performance on volatile organic compounds, can effectively adsorb the volatile organic compounds in industrial waste gas, and prevents the volatile organic compounds from polluting the atmosphere. Meanwhile, the adsorption belongs to physical adsorption, has reversibility and is easy to desorb, so that the aim of recycling the active carbon is fulfilled.
Often need monitor the carbon monoxide concentration in the system among the VOC administers the device to during active carbon (fibre) adsorbs the VOC waste gas, monitoring CO concentration can be judged and whether take place oxidation reaction and ignite, when CO concentration risees suddenly, the system should be made the shut down immediately, linkage reactions such as fire control prevent to take place the burning, the explosion accident, in order to guarantee the safety of operation in-process. In the prior art, an air pump is adopted for safety management, the air pump is small in flow and easy to damage, and the air pump is likely to be damaged when continuously running.
SUMMERY OF THE UTILITY MODEL
In view of the above, embodiments of the present invention provide a safety detection device and an adsorption apparatus for ensuring stable operation of a VOCs adsorption tank.
The embodiment of the utility model provides a safety detection device for ensuring the stable operation of a VOCs adsorption tank, which comprises:
one end of the detection pipe is communicated with the air outlet part of the adsorption tank;
the pretreatment module is arranged on the detection pipe and is used for pretreating the gas in the detection pipe;
the detection probe of the gas concentration detection module extends into the detection pipe, the detection probe is positioned on one side of the pretreatment module, which is back to the gas outlet part of the adsorption tank, and the gas concentration detection module is connected with a signal feedback line which is used for interlocking with a fire safety device; the detection tube is provided with an air supplementing port and an air exhaust port, and the air supplementing port and the air exhaust port are respectively positioned on two sides of the detection probe.
Further, the detection tube extends along the vertical direction, the lower end of the detection tube is communicated with the air outlet part of the adsorption tank, the upper end of the detection tube is provided with a sealing cover, and the air supplementing port and the air exhaust port are respectively positioned at the left side and the right side of the detection probe.
Further, the detection tube is connected with the air outlet part of the adsorption tank through a flange.
Further, the pre-processing module comprises a dehumidifying device.
Further, the pretreatment module comprises a dust removal device.
Further, the pretreatment module comprises an acid removal device.
Further, the pretreatment module comprises an alkali removal device.
Further, the gas concentration detection module comprises a CO detector and CO2Detector, O2One or more of the detectors.
The embodiment of the utility model also provides adsorption equipment which comprises the safety detection device and the adsorption tank, wherein the safety detection device is used for ensuring the stable operation of the VOCs adsorption tank, and the detection pipe is communicated with the gas outlet part of the adsorption tank.
Further, the detection pipe is positioned above the air outlet part of the adsorption tank.
The technical scheme provided by the embodiment of the utility model has the following beneficial effects: the detection device is directly installed on the detected adsorption tank in situ, the problem caused by the arrangement of an air pump is avoided by using a gas self-diffusion detection mode, the method is simple, reliable and effective, and meanwhile, gas with low humidity is supplemented to be mixed with the detected gas, so that the interference of the humidity on detection signals is reduced, and CO and O can be enabled2When the gas detection is reliable, the safety of the stable operation of the adsorption device is well guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a safety detection device for ensuring stable operation of a VOCs adsorption tank provided by the utility model.
In the figure: the device comprises an adsorption tank 1, a pretreatment module 2, a gas concentration detection module 3, an exhaust port 4, an air supplement port 5, a signal feedback line 6, a detection pipe 7 and a flange 8.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1, an embodiment of the present invention provides a safety detection apparatus for ensuring stable operation of a VOCs adsorption tank, including a detection tube 7, a pretreatment module 2, and a gas concentration detection module 3.
7 one end of detecting tube is used for giving vent to anger the portion intercommunication with adsorption tank 1, and adsorption tank 1 gives vent to anger the portion and can be the gas outlet or the outlet duct of adsorption tank, and the connection of detecting tube 7 of being convenient for, in this embodiment, detecting tube 7 and adsorption tank 1 give vent to anger the portion and pass through flange 8 and be connected. In other embodiments, the connection may be made by welding or the like.
The pretreatment module 2 is installed on the detection tube 7 and is used for pretreating the gas in the detection tube 7. The pretreatment module 2 comprises one or more of a dehumidifying device, a dust removing device, a chemical filtering and acid removing device and a chemical filtering and alkali removing device. The filtering functional parts in the chemical filtering and acid removing device and the chemical filtering and alkali removing device are quick replaceable parts or chemical component substances with acid removing function. The pretreatment module 2 can be arranged in the detection pipe 7 or between the detection pipe 7 and the air outlet part of the adsorption tank 1, and can be used for pretreating the detected gas.
A detection probe of the gas concentration detection module 3 extends into the detection pipe 7, the detection probe is positioned on one side of the pretreatment module 2, which is back to the gas outlet part of the adsorption tank 1, the gas concentration detection module 3 is connected with a signal feedback line 6, and the signal feedback line 6 is used for interlocking with a fire safety device; an air supplementing port 5 and an air exhaust port 4 are formed in the detection pipe 7, and the air supplementing port 5 and the air exhaust port 4 are located on two sides of the detection probe respectively.
In this embodiment, the detection tube 7 extends in the up-down direction, the lower end of the detection tube is communicated with the air outlet part of the adsorption tank 1, and the upper end of the detection tube is provided with a sealing cover, so that the detected gas can automatically flow upwards into the detection tube 7 by utilizing the diffusion property of the detected gas. The air supplementing port 5 and the exhaust port 4 are respectively positioned at the left side and the right side of the detection probe, and the gas with lower humidity supplemented by the air supplementing port 5 can be fully mixed with the gas to be detected and then detected by the gas concentration detection module 3. In other embodiments, the detecting tube 7 can be arranged transversely. Air or other gases with relatively low humidity are supplemented into the detection tube 7 through the air supplementing port 5, so that the humidity of the detected gases in the detection tube 7 can be reduced, and the interference of the humidity on detection signals is reduced. The exhaust port 4 is directly communicated with the atmosphere or is connected with an inlet of an adsorption fan through a pipeline.
The gas concentration detection module 3 comprises a CO detector and CO2Detector, O2One or more of the detectors. The gas concentration detection module 3 includes, but is not limited to, an electrochemical detector, an infrared detector, a laser detector, a catalytic oxidation detector, and an ultraviolet detector.
The gas to be detected flows through the pretreatment module 2 from the gas outlet part of the adsorption tank 1, after impurities which interfere with the gas concentration detection module 3, such as water vapor, liquid drops, acidic substances, alkaline substances, dust and the like contained in the gas to be detected are removed by the pretreatment module 2, the pretreated gas to be detected freely diffuses to the gas concentration detection module 3, the gas with low humidity is supplemented by the gas supplementing port 5 and is fully mixed with the gas to be detected, the relative humidity in the gas to be detected is reduced, the fully mixed gas to be detected is detected by the gas concentration detection module 3 to obtain a characteristic gas concentration value, and the interference of the humidity on detection signals can be reduced. The concentration value is fed back to the fire safety device through a signal feedback line 6, the detected gas is discharged from the exhaust port 4 to form a gas flowing state, the concentration of the detected gas is updated in real time, the oxidation reaction degree in the carbon layer can be effectively monitored in time, and the oxidation reaction is eliminated through a chain fire safety device in time, so that the carbon layer can run safely and stably.
The embodiment of the utility model provides a safety detection device and adsorption equipment for ensuring stable operation of VOCs adsorption tanks, wherein the adsorption equipment comprises the safety detection device and the adsorption tank 1 for ensuring stable operation of the VOCs adsorption tanks, and the detection pipe 7 is communicated with an air outlet part of the adsorption tank 1. The detection tube 7 is positioned above the air outlet part of the adsorption tank 1, so that the detected gas in the adsorption tank 1 can be conveniently diffused into the detection tube 7.
The utility model directly installs the detection device on the detected adsorption tank 1 in situ, avoids the problems caused by arranging the air pump by using the gas self-diffusion detection mode, has simple, reliable and effective method, simultaneously supplements gas with smaller humidity to be mixed with the detected gas, reduces the interference of the humidity to the detection signal, thereby enabling CO and O to be in-situ2When the gas detection is reliable, the safety of the stable operation of the adsorption device is well guaranteed.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. The utility model provides a safety inspection device for guaranteeing VOCs adsorption tanks steady operation which characterized in that includes:
one end of the detection pipe is communicated with the air outlet part of the adsorption tank;
the pretreatment module is arranged on the detection pipe and is used for pretreating the gas in the detection pipe;
the detection probe of the gas concentration detection module extends into the detection pipe, the detection probe is positioned on one side of the pretreatment module, which is back to the gas outlet part of the adsorption tank, and the gas concentration detection module is connected with a signal feedback line which is used for interlocking with a fire safety device; the detection tube is provided with an air supplementing port and an air exhaust port, and the air supplementing port and the air exhaust port are respectively positioned on two sides of the detection probe.
2. The safety inspection device according to claim 1, wherein the inspection tube extends vertically, the lower end of the inspection tube is connected to the gas outlet of the adsorption tank, the upper end of the inspection tube is provided with a sealing cover, and the gas inlet and the gas outlet are respectively located on the left and right sides of the inspection probe.
3. The safety inspection device according to claim 1, wherein the inspection tube is connected to the outlet of the adsorption tank via a flange.
4. The safety inspection device according to claim 1, wherein the pre-processing module comprises a dehumidifier.
5. The safety inspection device according to claim 1, wherein the pre-processing module comprises a dust removal device.
6. The safety inspection device according to claim 1, wherein the pre-processing module comprises an acid removal device.
7. The safety inspection device according to claim 1, wherein the pre-processing module comprises an alkali removal device.
8. The safety inspection device according to claim 1, wherein the gas concentration detection module comprises a CO detector and CO2Detector, O2One or more of the detectors.
9. An adsorption apparatus, comprising the safety inspection device for ensuring stable operation of a VOCs adsorption tank and an adsorption tank according to any one of claims 1 to 8, wherein the inspection pipe is communicated with an outlet of the adsorption tank.
10. The adsorption apparatus of claim 9, wherein the detector tube is positioned above the canister vent.
CN202122374513.7U 2021-09-29 2021-09-29 A safety inspection device and adsorption equipment for ensureing VOCs adsorption tanks steady operation Active CN216411071U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122374513.7U CN216411071U (en) 2021-09-29 2021-09-29 A safety inspection device and adsorption equipment for ensureing VOCs adsorption tanks steady operation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122374513.7U CN216411071U (en) 2021-09-29 2021-09-29 A safety inspection device and adsorption equipment for ensureing VOCs adsorption tanks steady operation

Publications (1)

Publication Number Publication Date
CN216411071U true CN216411071U (en) 2022-04-29

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Application Number Title Priority Date Filing Date
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Country Status (1)

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CN (1) CN216411071U (en)

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