CN216348854U - Petrochemical waste gas monitoring station - Google Patents

Petrochemical waste gas monitoring station Download PDF

Info

Publication number
CN216348854U
CN216348854U CN202220548790.7U CN202220548790U CN216348854U CN 216348854 U CN216348854 U CN 216348854U CN 202220548790 U CN202220548790 U CN 202220548790U CN 216348854 U CN216348854 U CN 216348854U
Authority
CN
China
Prior art keywords
explosion
monitoring station
proof
house
waste gas
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202220548790.7U
Other languages
Chinese (zh)
Inventor
薛逸才
刘虎
张雷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NANJING ANALYTICAL INSTRUMENT FACTORY CO Ltd
Original Assignee
NANJING ANALYTICAL INSTRUMENT FACTORY CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NANJING ANALYTICAL INSTRUMENT FACTORY CO Ltd filed Critical NANJING ANALYTICAL INSTRUMENT FACTORY CO Ltd
Priority to CN202220548790.7U priority Critical patent/CN216348854U/en
Application granted granted Critical
Publication of CN216348854U publication Critical patent/CN216348854U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Examining Or Testing Airtightness (AREA)

Abstract

The utility model provides a petrochemical waste gas monitoring station which comprises an explosion-proof house, and a sampling device, a pretreatment device and a detection device which are sequentially connected, wherein the explosion-proof house comprises a house body, and the house body sequentially comprises a bottom frame, a wall body fixed on the bottom frame and a roof covered on the wall body from bottom to top; the sampling device and the pretreatment device are both positioned outside the house body, and the pretreatment device is connected with the wall body; the detection device is located in the house body. The petrochemical waste gas monitoring station provided by the utility model can effectively prevent gas leakage from exploding and improve safety.

Description

Petrochemical waste gas monitoring station
Technical Field
The utility model belongs to the technical field of exhaust gas monitoring, and particularly relates to a petrochemical engineering exhaust gas monitoring station.
Background
With the development of industry, as more and more waste gases are generated in industrial production, the waste gases have great influence on air pollution, and part of the waste gases have toxicity, and the waste gases are harmful to the health of people after entering the bodies of people through different routes. Along with the improvement of environmental protection consciousness and health consciousness of people, the emission of industrial waste gas has stricter requirements, so that the targeted treatment is carried out by monitoring the components and the proportion of the waste gas, and the method has important effects on environmental protection and personal health.
Most of current exhaust gas monitoring devices cannot guarantee the stability of the detection device in the detection process, so that the detection data is inaccurate. Meanwhile, the monitoring safety cannot be guaranteed, so that waste gas leakage is caused, the environment and the personal safety and health are harmed, and certain defects exist. Therefore, a monitoring device with higher safety, explosion resistance, good air tightness and stable integral internal structure is needed.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects, the utility model provides the petrochemical waste gas monitoring station, which effectively prevents gas leakage from exploding and improves safety.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a petrochemical waste gas monitoring station which comprises an explosion-proof house, and a sampling device, a pretreatment device and a detection device which are sequentially connected, wherein the explosion-proof house comprises a house body, and the house body sequentially comprises a bottom frame, a wall body fixed on the bottom frame and a roof covered on the wall body from bottom to top; the sampling device and the pretreatment device are both positioned outside the house body, and the pretreatment device is connected with the wall body; the detection device is located in the house body.
As a further improvement of the utility model, the sampling device is used for collecting the exhaust gas, the pretreatment device is used for adjusting the temperature, pressure or flow of the exhaust gas, and the detection device is used for analyzing the exhaust gas and obtaining a detection result.
As a further improvement of the utility model, the pressure in the house body is maintained at 25-50 pa.
As a further improvement of the utility model, the explosion-proof house also comprises an explosion-proof air conditioner, an air inlet pipe and an air outlet pipe of the explosion-proof air conditioner are communicated with the house body, and an air return valve is arranged on the air outlet pipe; the explosion-proof air conditioner is used for adjusting the pressure in the house body, so that the pressure is kept within a preset pressure range.
As a further improvement of the utility model, the explosion-proof room further comprises a fresh air pipe, and an air outlet of the fresh air pipe is communicated with an air inlet pipe of the explosion-proof air conditioner.
As a further improvement of the utility model, the explosion-proof house further comprises a heavy-hanging shutter which is arranged on the wall body; when the pressure in the room body is maintained within the preset pressure range, the shutters of the heavy-hanging shutter are kept in a closed state, and when the pressure in the room body exceeds the preset pressure range, the shutters of the heavy-hanging shutter are automatically opened under the action of the pressure in the room body, so that the pressure is released outside the room body.
As a further improvement of the utility model, the height of the fresh air pipe is 6-15 m.
As a further improvement of the utility model, the explosion-proof house further comprises a leakage alarm device, wherein the leakage alarm device comprises a gas detection assembly and an audible and visual alarm, and the gas detection assembly is connected with the audible and visual alarm; the gas detection assembly is arranged in the house body, and the audible and visual alarm is arranged outside the house body.
As a further improvement of the utility model, the gas detection assembly comprises a first combustible gas detector, H2Detector, O2Detector, H2One or more of the S detectors.
As a further development of the utility model, a first combustible gas detector, H2Detector, O2Detector and H2The S detectors are respectively provided with an audible and visual alarm device.
As a further improvement of the utility model, the leakage alarm device further comprises a second combustible gas detector, and the second combustible gas detector is connected with the audible and visual alarm; the second combustible gas detector is arranged outside the house body and is positioned at the joint of the fresh air pipe and the explosion-proof air conditioner.
As a further improvement of the utility model, an alarm control panel is arranged outside the house body, alarm lamps are arranged on the alarm control panel, and the alarm lamps are correspondingly connected with detectors in the gas detection assembly one by one.
As a further improvement of the utility model, the inner wall of the wall body is provided with a sliding chute and a fixed frame which is connected with the sliding chute in a sliding way, and the detection device is connected with the fixed frame.
As a further improvement of the utility model, the wall body and the roof are both of a double-layer structure, and a heat-insulating flame-retardant layer is filled between the inner layer and the outer layer.
As a further improvement of the utility model, the roof is provided with rain eaves extending outwardly.
As a further improvement of the utility model, the wall body is provided with a door, and the door is provided with an explosion-proof glass observation window and an escape lock.
As a further improvement of the present invention, the detection device is a chromatograph.
Compared with the prior art, the technical scheme of the utility model has the following beneficial effects: the petrochemical waste gas monitoring station provided by the utility model is provided with the explosion-proof room, and the detection device for detecting and analyzing waste gas is placed in the explosion-proof room, so that the working environment of the detection device is conveniently controlled, the detection stability of the detection device is improved, and the detection device is protected. And set up preprocessing device outside explosion-proof house, because preprocessing device's pipeline is more, if take place to leak, easily scatter outside explosion-proof house, compare in placing in explosion-proof house, reduce the explosion probability, improve the security.
Drawings
Fig. 1 is a schematic structural view of a petrochemical waste gas monitoring station according to an embodiment of the present invention.
The figure shows that: the house comprises a house body 1, a pretreatment device 2, a fresh air pipe 3, a heavy-hanging shutter 4, an audible and visual alarm 5, an underframe 11, a wall body 12, a roof 13, a door 121, an explosion-proof glass observation window 122 and a rainproof eave 131.
Detailed Description
The technical solution of the present invention will be described in detail below with reference to the accompanying drawings.
The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. It should be understood that throughout the drawings, corresponding reference numerals indicate like or corresponding parts and features.
The embodiment of the utility model provides a petrochemical waste gas monitoring station, which comprises an explosion-proof room, and a sampling device, a pretreatment device 2 and a detection device which are connected in sequence, as shown in figure 1. Explosion-proof room includes room body 1, and room body 1 from the bottom up includes chassis 11, wall body 12 and roof 13 in proper order, and wall body 12 is fixed in on chassis 11, and roof 13 lid is located on wall body 12. The sampling device is used for collecting waste gas, the pretreatment device 2 is used for adjusting the temperature, the pressure or the flow of the waste gas, and the detection device is used for analyzing the waste gas and obtaining a detection result. The sampling device and the pretreatment device 2 are both positioned outside the house body 1, and the pretreatment device 2 is connected with the outer wall of the wall body 12. The detection device is located in the house body 1. Preferably, the detection device is a chromatograph. The gas types detectable by using the chromatograph are more, the monitoring comprehensiveness is higher, and compared with a mass spectrometer, the chromatograph is slightly cheap, so that the cost is reduced. The sampling device comprises a probe and a sampling pipeline, the probe is connected with the sampling pipeline, and the probe is positioned in the flare waste gas discharge pipeline to collect waste gas. The pretreatment device 2 comprises a pretreatment pipeline, the sampling pipeline is communicated with the pretreatment pipeline through a first transmission pipeline, and the pretreatment pipeline is communicated with the detection device through a second transmission pipeline. The second transmission pipeline passes through the wall 12 of the house body 1, one end of the second transmission pipeline is communicated with the pretreatment pipeline, and the other end of the second transmission pipeline is communicated with the detection device. The pretreatment pipeline is provided with a double-isolation release valve which is used for controlling the waste gas to flow into the detection device.
The petrochemical waste gas monitoring station of this embodiment sets up sampling device, preprocessing device 2 and detection device, after the temperature, pressure and the flow of earlier regulation waste gas after gathering waste gas, carries out the analysis by detection again, realizes the real-time supervision to waste gas. Before inputting waste gas into detection device, adjust the temperature, pressure and the flow of waste gas earlier, can improve detection device's work efficiency higher, improve and detect the accuracy. Set up explosion-proof room, will be used for carrying out the detection and analysis's detection device to waste gas and place in explosion-proof room, be convenient for control detection device's operational environment, provide detection device's detection stability, protection detection device. And set up preprocessing device 2 outside explosion-proof room, because preprocessing device's pipeline is comparatively complicated, if take place to leak, easily scatter outside explosion-proof room, compare in placing in explosion-proof room, reduce the explosion probability, improve the security.
Preferably, the pressure in the house body 1 is maintained at 25 to 50 pa. Through maintaining 1 internal pressure in room body at the pressure-fired state for in the flammable gas outside room body 1 can't enter into room body 1, and influence the safety of device and pipeline in the room body 1, play explosion-proof effect, improved the security of whole monitoring station.
As a preferred example, the explosion-proof house further comprises an explosion-proof air conditioner, an air inlet pipe and an air outlet pipe of the explosion-proof air conditioner are both communicated with the inside of the house body 1, and an air return valve is arranged on the air outlet pipe. Through the regulation of the explosion-proof air conditioner, the temperature and the humidity inside the house body 1 are kept within the required range suitable for the work of the detection device. The explosion-proof air conditioner makes the air in room body 1 form the circulation, adjusts the air output through the return air valve for the inside pressure of room body 1 keeps in the preset pressure range, and preferred preset pressure range is 25 ~ 50 pa. Not only improves the detection efficiency, the detection accuracy and the stability of the detection device, but also ensures the safety in the house body 1.
As a preferred example, the explosion-proof room further comprises a fresh air pipe 3, and an air outlet of the fresh air pipe 3 is communicated with an air inlet pipe of the explosion-proof air conditioner. Fresh air pipe 3 is used for regularly to the interior new trend of input of room body 1, with explosion-proof air conditioner cooperation for explosion-proof indoor pressure maintains stably, improves explosion-proof performance. Meanwhile, fresh air is input into the fresh air pipe 3 to realize replacement of air flow in the explosion-proof house, and if harmful gas occurs in the explosion-proof house, the harmful gas can be rapidly discharged out of the house, so that the safety performance is improved.
Preferably, the explosion-proof house further comprises a heavy-hanging shutter 4, and the heavy-hanging shutter 4 is arranged on the wall body 12. When the pressure in the explosion-proof room is maintained in the preset pressure range, the shutters of the heavy-hanging type shutters 4 are kept in a closed state, and when the pressure exceeds the preset pressure range, the shutters of the heavy-hanging type shutters 4 are automatically opened under the action of the pressure in the room body 1, the pressure is released outside the room body 1, the pressure in the room body 1 is reduced, and the pressure stabilizing effect is achieved in the room body 1.
As a preferable example, the height of the fresh air duct 3 is 6-15 m. The gas danger coefficient of 6 ~ 15m eminence is low, sets up the fan in fresh air pipe 3 is inside, evenly inputs the room body 1 with outside new trend through the fan in.
As a preferred example, the explosion-proof room further comprises a leakage alarm device, wherein the leakage alarm device comprises a gas detection assembly, and the gas detection assembly is connected with the audible and visual alarm 5. The gas detection component is arranged in the house body 1, and the audible and visual alarm 5 is arranged outside the house body 1. The gas detection assembly is used for detecting the gas condition in the room, and once the gas abnormality in the room body 1 is detected, the audible and visual alarm 5 can give an alarm at the first time and be found so as to carry out rapid processing, reduce the risk and improve the safety.
Preferably, the gas detection assembly comprises a first combustible gas detector, H2Detector, O2Detector and H2One or more of the S detectors. Wherein, O2The detector is used for detecting O in the house body 12If O is present in a concentration of2The concentration is lower than 19% or higher than 23%, and an alarm signal is sent out. First combustible gas detector, H2Detector, O2Detector and H2The S detectors are respectively provided with an audible and visual alarm device.
Preferably, the leakage alarm device further comprises a second combustible gas detector, and the second combustible gas detector is connected with the audible and visual alarm 5. The second combustible gas detector is arranged outside the house body 1 and is positioned at the joint of the fresh air pipe 3 and the explosion-proof air conditioner. The preferred embodiment can monitor the gas outside the house body 1, when the combustible gas is found to be generated around the house body 1, the audible and visual alarm 5 can give an alarm in the first time, measures can be taken more quickly, and the occurrence of fire hazard equipment and personal safety is avoided.
Preferably, room body 1 is equipped with the warning control panel outward, is equipped with the alarm lamp on the warning control panel, and the alarm lamp is connected with the detector one-to-one among the gaseous determine module. If the gas detecting unit includes a first combustible gas detector, H2Detector, O2Detector and H2S detectors, four alarm lamps are provided, and the four alarm lamps are respectively connected with the first combustible gas detector and the H2Detector、O2Detector and H2The S detectors are connected in a one-to-one correspondence. When being convenient for send out the police dispatch newspaper, the staff just can know what kind of gas is unusual outside room body 1 to in time take protective measures.
As a preferred example, the inner wall of the wall 12 is provided with a sliding groove and a fixing frame slidably connected with the sliding groove, and the detecting device is connected with the fixing frame. The detection device is connected with the inner wall of the wall body 12 through the adaptive connection of the fixing frame and the sliding groove, the inner wall of the wall body 12 does not need to be punched, and the air tightness in the house body 1 is improved. When the detection device breaks down and needs to be replaced or maintained, the detection device is only required to be detached, and the detachment and the installation are convenient. When the position conflict appears in equipment and detection device in room body 1, the mount can take check out test set to remove on the spout, has improved explosion-proof room's utilization ratio.
As a preferred example, the wall body 12 and the roof 13 are both of a double-layer structure, and a heat-insulating flame-retardant layer is filled between the inner layer and the outer layer. The overall structure is compact, the temperature is maintained stably, and the working accuracy of the detection device is improved. When a fire disaster occurs due to the occurrence of combustible gas, the heat-insulating flame-retardant layer in the wall body 12 can effectively prevent the fire from spreading, and unnecessary loss is avoided.
Preferably, the roof 13 is provided with a rain-proof eaves 131 extending outwards. The protection sets up preprocessing device 2 and alarm device outside room body 1 and can not receive weather effect and cause the damage, keeps whole monitoring station job stabilization nature and continuity.
Preferably, a door 121 is arranged on the wall body 12, and an explosion-proof glass observation window 122 and an escape lock are arranged on the door 121. The internal conditions of the house body 1 can be observed through the explosion-proof glass observation window 122 in daily life, and the door 121 does not need to be opened frequently to influence the stable environment in the house body 1. The door 121 is provided with an escape lock so that when an accident occurs in the house body 1, the worker can leave the house body 1 in time.
This petrochemical waste gas monitoring station of preferred embodiment carries out gaseous sampling through outdoor sampling device, gets into explosion-proof house after handling through preprocessing device 2, carries out different gaseous monitoring through detection device. Set up explosion-proof air conditioner in the explosion-proof room and adjust indoor temperature, humidity and pressure, guarantee that indoor temperature, humidity keep the state at the most suitable chromatograph work for chromatograph work efficiency is higher, and the monitoring result is more accurate, and operating condition is more stable. The indoor pressure is adjusted and stably maintained in a micro-positive pressure state, so that the outside air cannot easily enter the indoor body, and an explosion-proof effect is achieved. The indoor pressure is further stabilized through the joint adjustment of the explosion-proof air conditioner, the fresh air pipe 3 and the heavy-hanging type shutter 4. When the indoor pressure is unstable, the pressure can be stabilized by adjusting the opening size of the return air valve and automatically adjusting the heavy hanging shutter 4. The explosion-proof room is provided with the leakage-proof alarm device, the leakage-proof alarm device is connected with the outdoor audible and visual alarm 5, and when the abnormity occurs, the audible and visual alarm 5 can give an alarm at the first time, so that the risk is reduced. Explosion-proof room body 1 uses double-deck high strength stainless steel material, increases the fire-retardant layer of heat preservation simultaneously for the whole device durability is higher, and discovery that simultaneously can effectual control conflagration avoids causing the unnecessary loss, improves the security.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to further illustrate the principles of the utility model, and that various changes and modifications may be made without departing from the spirit and scope of the utility model, which is also intended to be covered by the appended claims.

Claims (17)

1. The petrochemical waste gas monitoring station is characterized by comprising an explosion-proof house, and a sampling device, a pretreatment device (2) and a detection device which are sequentially connected, wherein the explosion-proof house comprises a house body (1), and the house body (1) sequentially comprises a bottom frame (11), a wall body (12) fixed on the bottom frame (11) and a roof (13) covered on the wall body (12) from bottom to top; the sampling device and the pretreatment device (2) are both positioned outside the house body (1), and the pretreatment device (2) is connected with the wall body (12); the detection device is positioned in the house body (1).
2. The petrochemical waste gas monitoring station according to claim 1, wherein the sampling device is used for collecting waste gas, the pretreatment device (2) is used for adjusting the temperature, pressure or flow of the waste gas, and the detection device is used for analyzing the waste gas and obtaining a detection result.
3. The petrochemical exhaust gas monitoring station according to claim 1, wherein the pressure inside the house body (1) is maintained at 25-50 pa.
4. The petrochemical waste gas monitoring station according to claim 1, wherein the explosion-proof house further comprises an explosion-proof air conditioner, an air inlet pipe and an air outlet pipe of the explosion-proof air conditioner are both communicated with the inside of the house body (1), and an air return valve is arranged on the air outlet pipe; the explosion-proof air conditioner is used for adjusting the pressure in the house body (1) so that the pressure is kept within a preset pressure range.
5. The petrochemical waste gas monitoring station according to claim 4, wherein the explosion-proof house further comprises a fresh air pipe (3), and an air outlet of the fresh air pipe (3) is communicated with an air inlet pipe of an explosion-proof air conditioner.
6. The petrochemical exhaust gas monitoring station according to claim 5, wherein the explosion-proof house further comprises a heavy-hanging louver (4), the heavy-hanging louver (4) being disposed on the wall (12); when the pressure in the house body (1) is maintained within a preset pressure range, the shutter of the heavy-hanging shutter (4) is kept in a closed state, and when the pressure in the house body (1) exceeds the preset pressure range, the shutter of the heavy-hanging shutter (4) is automatically opened under the action of the pressure in the house body (1), and the pressure is released to the outside of the house body (1).
7. The petrochemical waste gas monitoring station according to claim 5, wherein the height of the fresh air pipe (3) is 6-15 m.
8. The petrochemical waste gas monitoring station according to claim 1, wherein the explosion-proof house further comprises a leakage alarm device, the leakage alarm device comprises a gas detection assembly and an audible and visual alarm (5), and the gas detection assembly is connected with the audible and visual alarm (5); the gas detection assembly is arranged in the house body (1), and the audible and visual alarm (5) is arranged outside the house body (1).
9. The petrochemical effluent monitoring station of claim 8, wherein the gas detection assembly comprises a first combustible gas detector, H2Detector, O2Detector, H2One or more of the S detectors.
10. The petrochemical effluent monitoring station of claim 9, wherein the first combustible gas detector, H, is2Detector, O2Detector and H2The S detectors are respectively provided with an audible and visual alarm device.
11. The petrochemical waste gas monitoring station according to claim 9, wherein the leakage alarm device further comprises a second combustible gas detector, and the second combustible gas detector is connected with an audible and visual alarm (5); the second combustible gas detector is arranged outside the house body (1) and is positioned at the joint of the fresh air pipe (3) and the explosion-proof air conditioner.
12. The petrochemical waste gas monitoring station according to claim 9, wherein an alarm control panel is arranged outside the house body (1), an alarm lamp is arranged on the alarm control panel, and the alarm lamp is connected with the detectors in the gas detection assembly in a one-to-one correspondence manner.
13. The petrochemical waste gas monitoring station according to claim 1, wherein the inner wall of the wall body (12) is provided with a sliding groove and a fixed frame in sliding connection with the sliding groove, and the detection device is connected with the fixed frame.
14. The petrochemical waste gas monitoring station according to claim 1, wherein the wall (12) and the roof (13) are both of a double-layer structure, and a heat-insulating flame-retardant layer is filled between the inner layer and the outer layer.
15. The petrochemical exhaust gas monitoring station according to claim 1, wherein the roof (13) is provided with outwardly extending rain eaves (131).
16. The petrochemical waste gas monitoring station according to claim 1, wherein a door (121) is arranged on the wall body (12), and an explosion-proof glass observation window (122) and an escape lock are arranged on the door (121).
17. The petrochemical effluent monitoring station of claim 1, wherein the detection device is a chromatograph.
CN202220548790.7U 2022-03-15 2022-03-15 Petrochemical waste gas monitoring station Active CN216348854U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220548790.7U CN216348854U (en) 2022-03-15 2022-03-15 Petrochemical waste gas monitoring station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220548790.7U CN216348854U (en) 2022-03-15 2022-03-15 Petrochemical waste gas monitoring station

Publications (1)

Publication Number Publication Date
CN216348854U true CN216348854U (en) 2022-04-19

Family

ID=81166979

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220548790.7U Active CN216348854U (en) 2022-03-15 2022-03-15 Petrochemical waste gas monitoring station

Country Status (1)

Country Link
CN (1) CN216348854U (en)

Similar Documents

Publication Publication Date Title
CN111564024A (en) Automatic protection method and system based on dangerous gas monitoring alarm
CN102717743B (en) Mobile laboratory metered by pollution source emission monitoring instrument
CN205507496U (en) Explosion -proof fume chamber control system in laboratory
US20020067276A1 (en) System for testing a duct smoke or other hazardous gas detector and method for use thereof
CN108107799A (en) Laboratory ventilation control system
CN105823170A (en) Refrigeration air conditioner comprehensive testing device with anti-explosion function
CN212108810U (en) Air quality monitoring system based on intelligent switch panel
CN209195087U (en) A kind of explosion-proof analyzer house
CN216348854U (en) Petrochemical waste gas monitoring station
CN118217563A (en) Automatic fire extinguishing system of laboratory fume hood
CN214615667U (en) Positive pressure explosion-proof room control system for analysis cabin
CN214408852U (en) Gas detection equipment
CN208407995U (en) A kind of automatic adjustment air quantity vent cabinet
CN213823245U (en) Outdoor large temporary storage anti-explosion container for laboratory hazardous wastes
CN107667262A (en) Ventilating system
CN202608639U (en) Measuring mobile laboratory of pollution source emission monitoring instrument
CN111175443A (en) Monitoring vehicle for monitoring malodorous gas
CN214118251U (en) Mine fire monitoring device
CN210951708U (en) GIS room ventilation control system
CN206215644U (en) Remote control type intelligent fume chamber
CN111426003B (en) Anti-explosion control room air conditioning system and anti-explosion control room air conditioning method
AU2004272815B2 (en) Apparatus for monitoring the concentration of a gas
CN214681785U (en) Intelligent monitoring danger waste storage cabinet
CN216769069U (en) Explosion-proof room for on-line analysis of fuel hydrogen
CN221148676U (en) Explosion-proof inspection device for petroleum safety management

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant