CN111963907A - Intelligent monitoring system for industrial gas leakage - Google Patents
Intelligent monitoring system for industrial gas leakage Download PDFInfo
- Publication number
- CN111963907A CN111963907A CN202010823711.4A CN202010823711A CN111963907A CN 111963907 A CN111963907 A CN 111963907A CN 202010823711 A CN202010823711 A CN 202010823711A CN 111963907 A CN111963907 A CN 111963907A
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- Prior art keywords
- annular
- pipeline
- fixedly connected
- pipeline body
- monitoring system
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 32
- 230000000670 limiting effect Effects 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims description 6
- 229920001973 fluoroelastomer Polymers 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 7
- 229920002379 silicone rubber Polymers 0.000 abstract description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 10
- 235000017491 Bambusa tulda Nutrition 0.000 description 10
- 241001330002 Bambuseae Species 0.000 description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 10
- 239000011425 bamboo Substances 0.000 description 10
- 230000005012 migration Effects 0.000 description 4
- 238000013508 migration Methods 0.000 description 4
- 238000012806 monitoring device Methods 0.000 description 3
- 231100000331 toxic Toxicity 0.000 description 3
- 230000002588 toxic effect Effects 0.000 description 3
- 208000003443 Unconsciousness Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/168—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
- F16L55/17—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/045—Allowing translations adapted to left-right translation movement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
- F16M13/022—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle repositionable
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/005—Protection or supervision of installations of gas pipelines, e.g. alarm
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses an intelligent monitoring system for industrial gas leakage, which comprises a pipeline body and a gas detector body, wherein an annular cylinder is sleeved on the pipeline body in a sliding manner, two pipeline clamps are fixedly installed on the pipeline body, the annular cylinder is positioned between the two pipeline clamps, and the upper ends of the two pipeline clamps are fixedly connected with fixing blocks. According to the invention, the rotating rod and the threaded rod are driven to rotate by the miniature servo motor, so that the threaded rod drives the special-shaped nut in threaded sleeve joint to horizontally move along the pipeline body under the limiting action of the connecting block and the limiting rod, the connecting block drives the annular cylinder to horizontally move along the pipeline body, the pipeline body is convenient to move and monitor, the monitoring range and the monitoring efficiency are improved, the annular sealing ring of a silicon rubber product is matched with the annular cylinder to seal a leak point on the pipeline body, gas leaked from the leak point on the pipeline body is guided into the gas detector body through the conveying pipe and the telescopic hose to be detected, and the detection accuracy is improved.
Description
Technical Field
The invention relates to the technical field of industrial gas monitoring, in particular to an intelligent monitoring system for industrial gas leakage.
Background
In industry, especially chemical enterprises, a large amount of toxic or combustible gas is often generated in the process of producing products, and if the toxic or combustible gas is absorbed into the body, people are unconscious and unconscious, and if the toxic or combustible gas is seriously harmful to the life of a crisis, the combustible gas can explode on naked fire when reaching a certain concentration, so that the monitoring of gas pipeline transportation is particularly important.
When the existing pipeline gas monitoring device is used in practice, the detection accuracy is not high, the pipeline can be monitored only at fixed points, the monitoring range is small, and an industrial gas leakage intelligent monitoring system is provided to solve the problems.
Disclosure of Invention
The invention provides an intelligent monitoring system for industrial gas leakage, which is used for solving the technical problems that the detection accuracy of the existing pipeline gas monitoring device in the background technology is not high, the pipeline can only be monitored at fixed points, and the monitoring range is small when the existing pipeline gas monitoring device is actually used.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an industrial gas leakage intelligent monitoring system, includes pipeline body and gas detector body, an annular section of thick bamboo has been cup jointed in the slip on the pipeline body, fixed mounting has two pipe clamps on the pipeline body, an annular section of thick bamboo is located between two pipe clamps, two the equal fixedly connected with fixed block in upper end of pipe clamp, the left side be equipped with the driving piece on the left end lateral wall of fixed block, two be equipped with moving mechanism between the fixed block, the driving piece is connected with the moving mechanism transmission, the annular lateral wall fixed connection of moving mechanism and an annular section of thick bamboo, the intercommunication is provided with carries the piece on the annular inner wall of an annular section of thick bamboo, carry piece and gas detector body intercommunication setting.
Preferably, the pipeline body is fixedly provided with two gas flow meters, and the two pipeline clamps are positioned between the two gas flow meters.
Preferably, two ring type seal rings are fixedly connected to the inner annular wall of the annular cylinder, the two ring type seal rings are movably sleeved with the pipeline body, the two ring type seal rings are respectively close to the left side wall and the right side wall of the annular cylinder, and the ring type seal rings are made of fluororubber.
Preferably, the driving piece includes the miniature servo motor of fixed mounting on the lateral wall of left side fixed block left end, miniature servo motor is close to the pipe clamp setting, fixedly connected with pivot in miniature servo motor's the drive shaft, the first gear of coaxial fixedly connected with in the pivot, first gear is connected with the moving mechanism transmission.
Preferably, moving mechanism includes that the difference level rotates the dwang that runs through the left side fixed block setting and rotates the threaded rod of connecting on the lateral wall of right side fixed block left side, the right-hand member of dwang and the left end fixed connection of threaded rod, the dwang is close to the coaxial fixedly connected with second gear on the left one end, second gear and first gear engagement, the thread sleeve has heterotypic nut on the threaded rod, fixedly connected with connecting block on the annular side wall of heterotypic nut, the one end of heterotypic nut and the annular side wall fixed connection of an annular section of thick bamboo are kept away from to the connecting block.
Preferably, two fixedly connected with same gag lever post on the relative lateral wall of fixed block, the gag lever post is located the below of threaded rod, the horizontal through-connection piece setting of gag lever post.
Preferably, the conveying part comprises a conveying pipe communicated with and arranged on the annular inner wall of the annular cylinder, one end, far away from the annular cylinder, of the conveying pipe is communicated with and provided with a telescopic hose, and the free end of the telescopic hose is communicated with the gas detector body.
Preferably, the delivery pipe is fixedly provided with a regulating valve.
Compared with the prior art, the invention has the beneficial effects that:
1. drive dwang and threaded rod through miniature servo motor and rotate for the threaded rod drives the heterotypic nut that the screw thread cup jointed and along pipeline body horizontal migration under the limiting displacement of connecting block and gag lever post, makes the connecting block drive an annular section of thick bamboo along pipeline body horizontal migration, is convenient for carry out the mobile monitoring to the pipeline body, improves monitoring range and monitoring efficiency.
2. The leak source on the pipeline body is sealed by the annular sealing ring of the silicon rubber product matching with the annular tube, so that gas leaked from the leak source on the pipeline body is guided into the gas detector body through the conveying pipe and the telescopic hose to be detected, and the detection accuracy is improved.
Drawings
Fig. 1 is a schematic perspective view of an intelligent monitoring system for industrial gas leakage according to the present invention;
FIG. 2 is a schematic structural diagram of an annular seal ring of an intelligent monitoring system for industrial gas leakage according to the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
FIG. 4 is an enlarged view of a portion of FIG. 1 at B;
fig. 5 is a partially enlarged view of C in fig. 1.
In the figure: the gas detector comprises a pipeline body 1, a gas detector body 2, an annular cylinder 3, a pipeline clamp 4, a fixing block 5, a gas flowmeter 6, an annular sealing ring 7, a miniature servo motor 8, a rotating shaft 9, a first gear 10, a rotating rod 11, a threaded rod 12, a second gear 13, a special-shaped nut 14, a connecting block 15, a limiting rod 16, a conveying pipe 17, a flexible hose 18 and a regulating valve 19.
Detailed Description
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, an intelligent monitoring system for industrial gas leakage comprises a pipeline body 1 and a gas detector body 2, wherein an annular cylinder 3 is slidably sleeved on the pipeline body 1, two annular seal rings 7 are fixedly connected to the annular inner wall of the annular cylinder 3, the two annular seal rings 7 are movably sleeved on the pipeline body 1, the two annular seal rings 7 are respectively arranged near the side walls of the left end and the right end of the annular cylinder 3, the annular seal rings 7 are made of fluororubber, the annular seal rings 7 made of fluororubber can effectively prevent gas leaking from leak points in the annular cylinder 3 on the pipeline body 1 and lead out of the annular cylinder 3, so as to improve the detection accuracy, two pipeline clamps 4 are fixedly arranged on the pipeline body 1, the pipeline clamps 4 are used for fixing a fixing block 5 on the pipeline body 1, so that the monitoring position can be conveniently adjusted according to actual needs, two gas flow meters 6 are fixedly arranged on the pipeline body, two pipe clamps 4 all are located between two gas flowmeter 6, and gas flowmeter 6 is used for monitoring the gas flow in the pipeline body 1, and an annular section of thick bamboo 3 is located between two pipe clamps 4, the equal fixedly connected with fixed block 5 in upper end of two pipe clamps 4.
Be equipped with the driving piece on the left side lateral wall of left side fixed block 5, the driving piece includes miniature servo motor 8 of fixed mounting on the lateral wall of the left side fixed block 5 left side, and miniature servo motor 8's model is: MSME-5AZS1, miniature servo motor 8 are used for driving the first gear 10 rotation on the pivot 9, and miniature servo motor 8 is close to the pipe clamp 4 setting, and fixedly connected with pivot 9 is gone up in miniature servo motor 8's the drive shaft, and coaxial fixedly connected with first gear 10 is gone up in pivot 9, and first gear 10 is connected with the moving mechanism transmission.
A moving mechanism is arranged between the two fixed blocks 5, the driving piece is connected with the moving mechanism in a transmission way, the moving mechanism is fixedly connected with the annular side wall of the annular cylinder 3, the moving mechanism comprises a rotating rod 11 which is respectively and horizontally rotated and penetrates through the left fixed block 5 and a threaded rod 12 which is rotatably connected with the left side end side wall of the right fixed block 5, the right end of the rotating rod 11 is fixedly connected with the left end of the threaded rod 12, one end of the rotating rod 11 close to the left side is coaxially and fixedly connected with a second gear 13, the second gear 13 is meshed with a first gear 10, the first gear 10 rotates to drive the meshed second gear 13 to rotate, and the second gear 13 drives the coaxially connected rotating rod, and then drive threaded rod 12 and rotate, threaded rod 12 goes up the screw thread and has cup jointed heterotypic nut 14, fixedly connected with connecting block 15 on the annular side wall of heterotypic nut 14, and the one end that connecting block 15 kept away from heterotypic nut 14 is fixedly connected with the annular side wall of annular section of thick bamboo 3.
The opposite side walls of the two fixed blocks 5 are fixedly connected with the same limiting rod 16, the limiting rod 16 is positioned below the threaded rod 12, the limiting rod 16 horizontally penetrates through the connecting block 15, the limiting rod 16 can be matched with the connecting block 15 to limit the special-shaped nut 14, so that the threaded rod 12 can only drive the special-shaped nut 14 to horizontally move along the limiting rod 16 to avoid the rotation of the threaded rod 12 to drive the special-shaped nut 14 to rotate simultaneously, the annular inner wall of the annular cylinder 3 is communicated with a conveying part, the conveying part is communicated with the gas detector body 2 and comprises a conveying pipe 17 communicated with the annular inner wall of the annular cylinder 3, the conveying pipe 17 is used for guiding gas leaked from a leak point on the pipeline body 1 into the gas detector body 2 for detection, one end of the conveying pipe 17, far away from the annular cylinder 3, is communicated with a flexible pipe 18, and the flexible, can be along with the removal of annular section of thick bamboo 3, the free end and the gaseous detector body 2 intercommunication setting of bellows 18, fixed mounting has governing valve 19 on the conveyer pipe 17, and governing valve 19's model is: 040ZXP-Q10BL13-SEXT, and regulator valve 19 is used to control the flow of gas within delivery tube 17.
When the gas leakage detector is used, two pipeline clamps 4 are respectively fixed on a pipeline body 1 and are arranged close to two gas flow meters 6, an annular cylinder 3 and an annular sealing ring 7 are sleeved on the pipeline body 1, a regulating valve 19 on a conveying pipe 17 is opened, the annular sealing ring 7 of a fluororubber product is matched with the annular cylinder 3 to seal a leakage point on the pipeline body 1, gas leaked from the leakage point on the pipeline body 1 is guided into a gas detector body 2 through the conveying pipe 17 and a telescopic hose 18 to be detected, the detection accuracy is improved, a micro servo motor 8 is started to drive a first gear 10 on a rotating shaft 9 to rotate, the first gear 10 drives a second gear 13 meshed with the first gear to rotate, the rotating rod 11 which is coaxially connected is driven by the second gear 13 to rotate, the rotating rod 11 drives a threaded rod 12 to rotate, and the rotating threaded rod 12 drives a special-shaped nut 14 which is in threaded sleeve joint to rotate along the pipeline body under the limiting action of a connecting block 15 and a The body 1 horizontal migration for connecting block 15 drives an annular section of thick bamboo 3 along 1 horizontal migration of pipeline body, is convenient for carry out mobile monitoring to pipeline body 1, improves monitoring range and monitoring efficiency.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. An intelligent monitoring system for industrial gas leakage comprises a pipeline body (1) and a gas detector body (2), it is characterized in that the pipeline body (1) is sleeved with an annular cylinder (3) in a sliding way, the pipeline comprises a pipeline body (1), two pipeline clamps (4) are fixedly arranged on the pipeline body (1), an annular cylinder (3) is positioned between the two pipeline clamps (4), the upper ends of the two pipeline clamps (4) are fixedly connected with fixed blocks (5), the side wall of the left end of the fixed block (5) on the left side is provided with a driving piece, a moving mechanism is arranged between the two fixed blocks (5), the driving piece is in transmission connection with a moving mechanism, the moving mechanism is fixedly connected with the annular side wall of the annular cylinder (3), the annular inner wall of the annular cylinder (3) is provided with a conveying piece in a communicating mode, and the conveying piece is communicated with the gas detector body (2).
2. The intelligent industrial gas leakage monitoring system according to claim 1, wherein two gas flow meters (6) are fixedly mounted on the pipeline body (1), and the two pipeline clamps (4) are located between the two gas flow meters (6).
3. The intelligent industrial gas leakage monitoring system according to claim 1, wherein two annular sealing rings (7) are fixedly connected to the inner annular wall of the annular cylinder (3), the two annular sealing rings (7) are movably sleeved with the pipeline body (1), the two annular sealing rings (7) are respectively arranged close to the left and right side walls of the annular cylinder (3), and the annular sealing rings (7) are made of fluororubber.
4. The intelligent industrial gas leakage monitoring system according to claim 1, wherein the driving member comprises a micro servo motor (8) fixedly mounted on the side wall of the left end of the left side fixing block (5), the micro servo motor (8) is arranged close to the pipe clamp (4), a rotating shaft (9) is fixedly connected to a driving shaft of the micro servo motor (8), a first gear (10) is coaxially and fixedly connected to the rotating shaft (9), and the first gear (10) is in transmission connection with the moving mechanism.
5. The intelligent industrial gas leakage monitoring system according to claim 4, the moving mechanism comprises a rotating rod (11) which is respectively and horizontally rotated and penetrates through the left side fixing block (5) and a threaded rod (12) which is rotatably connected to the side wall of the left side of the right side fixing block (5), the right end of the rotating rod (11) is fixedly connected with the left end of the threaded rod (12), a second gear (13) is coaxially and fixedly connected to one end of the rotating rod (11) close to the left side, the second gear (13) is meshed with the first gear (10), the threaded rod (12) is sleeved with a special-shaped nut (14) in a threaded manner, the annular side wall of the special-shaped nut (14) is fixedly connected with a connecting block (15), one end of the connecting block (15) far away from the special-shaped nut (14) is fixedly connected with the annular side wall of the annular cylinder (3).
6. An intelligent industrial gas leakage monitoring system according to claim 5, wherein the same limiting rod (16) is fixedly connected to the opposite side walls of the two fixing blocks (5), the limiting rod (16) is located below the threaded rod (12), and the limiting rod (16) is horizontally arranged to penetrate through the connecting block (15).
7. An intelligent industrial gas leakage monitoring system according to claim 1, wherein the conveying member comprises a conveying pipe (17) which is communicated and arranged on the annular inner wall of the annular cylinder (3), an end of the conveying pipe (17) far away from the annular cylinder (3) is communicated and arranged with a flexible hose (18), and a free end of the flexible hose (18) is communicated and arranged with the gas detector body (2).
8. An intelligent industrial gas leakage monitoring system according to claim 7, wherein the delivery pipe (17) is fixedly provided with a regulating valve (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010823711.4A CN111963907A (en) | 2020-08-17 | 2020-08-17 | Intelligent monitoring system for industrial gas leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010823711.4A CN111963907A (en) | 2020-08-17 | 2020-08-17 | Intelligent monitoring system for industrial gas leakage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111963907A true CN111963907A (en) | 2020-11-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010823711.4A Withdrawn CN111963907A (en) | 2020-08-17 | 2020-08-17 | Intelligent monitoring system for industrial gas leakage |
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| Country | Link |
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| CN (1) | CN111963907A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295821A (en) * | 2021-04-26 | 2021-08-24 | 派尔实验装备有限公司 | Multifunctional VOCs gas detection equipment and detection method |
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| CN210571233U (en) * | 2019-10-15 | 2020-05-19 | 山东泉建工程检测有限公司 | Device for evaluating air tightness of urban drainage pipeline |
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| CN105579821A (en) * | 2013-11-12 | 2016-05-11 | 尹重皓 | Gas leakage detection device |
| CN203892882U (en) * | 2014-05-28 | 2014-10-22 | 北京二商集团有限责任公司西郊食品冷冻厂 | Monitoring device of refrigerant pipeline and refrigeration house monitoring system with device used |
| CN204785584U (en) * | 2015-07-08 | 2015-11-18 | 深圳市长城楼宇科技有限公司 | Self -checking formula drainage pipe |
| CN107327711A (en) * | 2017-08-16 | 2017-11-07 | 马鞍山英维爱生态科技有限公司 | A kind of scan-type pipeline leakage testing agency |
| CN108361467A (en) * | 2018-02-05 | 2018-08-03 | 张桂华 | A kind of method for blocking of pressure-bearing pipeline |
| CN208652147U (en) * | 2018-06-21 | 2019-03-26 | 南京国电南自新能源工程技术有限公司 | A kind of leakage alarming device of natural gas line |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113295821A (en) * | 2021-04-26 | 2021-08-24 | 派尔实验装备有限公司 | Multifunctional VOCs gas detection equipment and detection method |
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Application publication date: 20201120 |
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