CN206398377U - A kind of LNG vacuum tube detection device - Google Patents
A kind of LNG vacuum tube detection device Download PDFInfo
- Publication number
- CN206398377U CN206398377U CN201720033244.9U CN201720033244U CN206398377U CN 206398377 U CN206398377 U CN 206398377U CN 201720033244 U CN201720033244 U CN 201720033244U CN 206398377 U CN206398377 U CN 206398377U
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- China
- Prior art keywords
- lng
- vacuum
- thermal insulation
- insulation layer
- detection device
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- Expired - Fee Related
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- 238000001514 detection method Methods 0.000 title claims abstract description 16
- 238000009413 insulation Methods 0.000 claims abstract description 26
- 239000002184 metal Substances 0.000 claims abstract description 24
- 238000012545 processing Methods 0.000 claims abstract description 20
- 238000012544 monitoring process Methods 0.000 claims description 7
- 238000000605 extraction Methods 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 17
- 238000007689 inspection Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003653 coastal water Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model is related to a kind of LNG vacuum tube detection device, including the first LNG vacuum tubes and the 2nd LNG vacuum tubes, the first LNG vacuum tubes connect the 2nd LNG vacuum tubes by the 3rd vacuum tube, 3rd vacuum tube is sheathed with vacuum metal thermal insulation layer with the first LNG vacuum tubes, the periphery of the 2nd LNG vacuum tubes junction, temperature sensor is provided with the vacuum metal thermal insulation layer, temperature sensor is connected with temperature transmitter, the inlet end of the first LNG vacuum tubes is connected with magnetic valve, and the magnetic valve and the temperature transmitter are connected with PLC processing terminals.Which solves the detection test problems of the LNG pipe leakages of underground landfill and vacuum failure, with high efficiency, promptness, and the processing of emergency cut-off supply can be made when LNG is revealed, ensure that LNG pipe safeties are run.
Description
Technical field
The utility model is related to gas-fired equipment technical field, especially a kind of LNG vacuum tube detection device.
Background technology
Recently as country for energy security, the gradually attention of environmental problem, gas cleans energy as one kind
Source is more and more used.With " West-east Gas, " Russian gas supplying the South ", " imported L NG ", the engineering such as " coastal waters gas is logged in "
Implementation, city will be more and more universal using natural gas.According to《Automobile fuel filler gas filling station design and job specfication》GB
The requirement of 50156-2012 (version in 2014) 9.4.7 provisions, " when LNG pipelines are needed using closing in-duct installation, pipe trench should be taken
Neutral sand, which is filled up, to be tamped ", i.e., by filling gas pipeline delivery of fuel gas in underground.Because urban population density is big, economic hair
Exhibition level is high, and the scope that LNG is used is big, and LNG gas pipelines are Yi Dan after landfill, it is difficult to enter in time to pipe leakage and vacuum failure
Row detection, easily causes the BOG proportion of goods damageds increase of LNG gas stations, the problems such as process conditions deteriorate.During gas supply,
The position that gas leakage generally occurs is at two LNG gas pipelines connectivity ports, and Jie of urban underground gas pipeline
Matter has the characteristic such as inflammable, explosive, poisonous again, once gas leakage finds not in time, easily occur security incident, is occupied to city
The life and property of the people brings huge loss, and far-reaching harmful effect is caused to society.Therefore, urban underground gas pipe is carried out
The detection work in road, to ensureing the operation of LNG pipe safeties, tool is of great significance.
Utility model content
The purpose of this utility model is to provide a kind of LNG vacuum tube detection device, and the device can be true to the LNG that lowly fills
Blank pipe is revealed and vacuum failure is detected, with high efficiency, promptness, and emergency cut-off supply can be made when LNG is revealed
Processing.
A kind of LNG vacuum tube detection device, including the first LNG vacuum tubes and the 2nd LNG vacuum tubes, the first LNG are true
Blank pipe connects the 2nd LNG vacuum tubes, the 3rd vacuum tube and the first LNG vacuum tubes, the 2nd LNG by the 3rd vacuum tube
The periphery of vacuum tube junction, which is sheathed with vacuum metal thermal insulation layer, the vacuum metal thermal insulation layer, is provided with temperature sensor, temperature
Degree sensor is connected with temperature transmitter, and the inlet end of the first LNG vacuum tubes is connected with magnetic valve, the magnetic valve and institute
State temperature transmitter and be connected with PLC processing terminals.
More preferably, the PLC processing terminals are provided with wireless transmitter module, and the wireless transmitter module is connected by wireless signal
Wireless signal transceiver is connected to, the wireless signal transceiver is connected with monitoring host computer.
More preferably, the magnetic valve is normal-open electromagnetic valve.
More preferably, the vacuum metal thermal insulation layer is multi-layer cylinder structure, and vacuum metal thermal insulation layer is divided into very from inside to outside
Dead level, sponge thermal insulation layer, damp-proof layer, PIR thermal insulation layers, adhesive phase, glass fabric damp-proof layer and coat of metal.
More preferably, it is provided with manual extraction valve on the vacuum metal thermal insulation layer.
It follows that the beneficial effects of the utility model are：
1. according to the low principle of LNG temperature, by temperature change in temperature sensor monitors vacuum metal thermal insulation layer, from
And judge LNG vacuum tube leak cases；
2. the temperature that temperature sensor monitors are arrived is less than preset temperature range, PLC processing terminals control closed electromagnetic valve is cut
Disconnected LNG inputs.
3.PLC processing terminals are sent temperature information, positional information and processing information to prison by wireless transmitter module
Main frame is controlled, the positional information that supervisor can show according to monitoring host computer sends maintenance personal to site inspection and maintenance.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is structure chart of the present utility model；
Fig. 2 is the utility model vacuum metal insulating layer structure figure.
Embodiment
The utility model proposes a kind of LNG vacuum tube detection device, the device can be revealed the LNG vacuum tubes lowly filled
Detected with vacuum failure, with high efficiency, promptness, and the processing of emergency cut-off supply can be made when LNG is revealed.
As shown in figure 1, a kind of LNG vacuum tube detection device, including the first LNG vacuum tubes 1 and the 2nd LNG vacuum tubes 2, institute
State the first LNG vacuum tubes 1 and the 2nd LNG vacuum tubes 2, the 3rd vacuum tube 3 and described first are connected by the 3rd vacuum tube 3
Periphery at LNG vacuum tubes 1, the 2nd LNG vacuum tubes 2 is sheathed with vacuum metal thermal insulation layer 4, the vacuum metal thermal insulation layer 4
Provided with temperature sensor, temperature sensor is connected with temperature transmitter 6, and the inlet end of the first LNG vacuum tubes 1 is connected with electricity
Magnet valve 5, the magnetic valve 5 and the temperature transmitter 6 are connected with PLC processing terminals 7, and the PLC processing terminals 7 are provided with wireless
Transmitter module 8, the wireless transmitter module 8 is connected with wireless signal transceiver 9, the wireless signal transmitting-receiving by wireless signal
Device 9 is connected with monitoring host computer 10, can monitor the temperature information of pipeline at any time by monitoring host computer 10, judges the normal fortune of supply
OK, and to PLC processing terminals 7 processing information is sent.
More preferably, the magnetic valve 5 is normal-open electromagnetic valve, and when LNG vacuum tubes are revealed, magnetic valve 5 connects electricity
Source, magnetic valve 5 is closed, cut-out LNG source of the gas inputs.
With reference to Fig. 1, Fig. 2, the vacuum metal thermal insulation layer 4 is multi-layer cylinder structure, and vacuum metal thermal insulation layer 4 is from inside to outside
It is divided into vacuum layer 41, sponge thermal insulation layer 42, damp-proof layer 43, PIR thermal insulation layers 44, adhesive phase 45, glass fabric damp-proof layer 46
And coat of metal 47, manual extraction valve 48 is provided with the vacuum metal thermal insulation layer 4, can be by taking out manually during installation
Air valve 48 realizes the vacuumize process of vacuum layer 41, during maintenance, the manual extraction valve 48 of manual unlocking, can be by vacuum metal thermal insulation layer
The LNG gases of residual, which are extracted out, in 4 prevents combustion gas discharge pollution environment, and can Gas recovery effect.
Temperature change in operation principle, temperature sensor monitors vacuum metal thermal insulation layer 4, when temperature sensor monitors are arrived
Temperature be less than default temperature range, temperature information uploads to PLC processing terminals 7, PLC processing terminals 7 by temperature transmitter 6
Emergency processing is made, magnetic valve 5 is closed, and operation information is uploaded into monitoring host computer 10, by supervisor's analyze data, dimension is sent
Repair personnel to repair to site inspection, or recovery signal is sent to PLC processing terminals 7 by monitoring host computer 10, recover LNG supply.
By above description, the utility model solves the inspection of the LNG pipe leakages and vacuum failure of underground landfill
Test problems are surveyed, with high efficiency, promptness, and the processing of emergency cut-off supply can be made when LNG is revealed, ensure LNG pipes
Road safe operation.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that specific implementation of the present utility model is confined to these explanations.For the ordinary skill of the utility model art
For personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should all be regarded
To belong to protection domain of the present utility model.
Claims (5)
1. a kind of LNG vacuum tube detection device, it is characterised in that described including the first LNG vacuum tubes and the 2nd LNG vacuum tubes
First LNG vacuum tubes connect the 2nd LNG vacuum tubes, the 3rd vacuum tube and the first LNG vacuum by the 3rd vacuum tube
Pipe, the periphery of the 2nd LNG vacuum tubes junction, which are sheathed with vacuum metal thermal insulation layer, the vacuum metal thermal insulation layer, is provided with temperature
Sensor, temperature sensor is connected with temperature transmitter, and the inlet end of the first LNG vacuum tubes is connected with magnetic valve, described
Magnetic valve and the temperature transmitter are connected with PLC processing terminals.
2. LNG vacuum tube detection device according to claim 1, it is characterised in that the PLC processing terminals are provided with wireless hair
Module is penetrated, the wireless transmitter module is connected with wireless signal transceiver by wireless signal, and the wireless signal transceiver connects
It is connected to monitoring host computer.
3. LNG vacuum tube detection device according to claim 1, it is characterised in that the magnetic valve is normal-open electromagnetic valve.
4. LNG vacuum tube detection device according to claim 1, it is characterised in that the vacuum metal thermal insulation layer is multilayer
Cylindrical structure, vacuum metal thermal insulation layer is divided into vacuum layer, sponge thermal insulation layer, damp-proof layer, PIR thermal insulation layers, adhesive from inside to outside
Layer, glass fabric damp-proof layer and coat of metal.
5. LNG vacuum tube detection device according to claim 1, it is characterised in that set on the vacuum metal thermal insulation layer
There is manual extraction valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720033244.9U CN206398377U (en) | 2017-01-10 | 2017-01-10 | A kind of LNG vacuum tube detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720033244.9U CN206398377U (en) | 2017-01-10 | 2017-01-10 | A kind of LNG vacuum tube detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206398377U true CN206398377U (en) | 2017-08-11 |
Family
ID=59513994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720033244.9U Expired - Fee Related CN206398377U (en) | 2017-01-10 | 2017-01-10 | A kind of LNG vacuum tube detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206398377U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555974A (en) * | 2018-12-12 | 2019-04-02 | 宁波安浮新能源科技有限公司 | A kind of flexible hose structure and hose detection system |
| CN109654377A (en) * | 2018-12-18 | 2019-04-19 | 温州科技职业学院 | A kind of pipeline leakage testing device |
| RU192142U1 (en) * | 2019-05-31 | 2019-09-04 | Публичное акционерное общество «Татнефть» имени В.Д. Шашина | EXHAUST CANDLE FOR MONITORING THE HAZARDOUS STATE OF THE TRANSITION OF THE MAIN GAS PIPELINE THROUGH THE ROAD |
| RU198876U1 (en) * | 2020-04-19 | 2020-07-30 | Публичное акционерное общество «Татнефть» имени В.Д. Шашина | Exhaust plug for monitoring the state of the main gas pipeline |
-
2017
- 2017-01-10 CN CN201720033244.9U patent/CN206398377U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555974A (en) * | 2018-12-12 | 2019-04-02 | 宁波安浮新能源科技有限公司 | A kind of flexible hose structure and hose detection system |
| CN109654377A (en) * | 2018-12-18 | 2019-04-19 | 温州科技职业学院 | A kind of pipeline leakage testing device |
| CN109654377B (en) * | 2018-12-18 | 2020-08-04 | 温州科技职业学院 | Pipeline leakage detection device |
| RU192142U1 (en) * | 2019-05-31 | 2019-09-04 | Публичное акционерное общество «Татнефть» имени В.Д. Шашина | EXHAUST CANDLE FOR MONITORING THE HAZARDOUS STATE OF THE TRANSITION OF THE MAIN GAS PIPELINE THROUGH THE ROAD |
| RU198876U1 (en) * | 2020-04-19 | 2020-07-30 | Публичное акционерное общество «Татнефть» имени В.Д. Шашина | Exhaust plug for monitoring the state of the main gas pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200424 Address after: Room 301-303, floor 3, No. 25, Jihua 5th Road, Chancheng District, Foshan City, Guangdong Province Patentee after: FOSHAN GAS HIGH PRESSURE PIPE NETWORK Co.,Ltd. Address before: 528000, 5 floor, Jihua building, No. five, Jihua Road, Chancheng District, Guangdong, Foshan Patentee before: FOSHAN AUTOMOBILE GAS Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170811 |