CN105736952A - Intelligent main engine nitrogen purging system for compressed natural gas vessel and working method thereof - Google Patents
Intelligent main engine nitrogen purging system for compressed natural gas vessel and working method thereof Download PDFInfo
- Publication number
- CN105736952A CN105736952A CN201610063225.0A CN201610063225A CN105736952A CN 105736952 A CN105736952 A CN 105736952A CN 201610063225 A CN201610063225 A CN 201610063225A CN 105736952 A CN105736952 A CN 105736952A
- Authority
- CN
- China
- Prior art keywords
- natural gas
- unit
- main engine
- main frame
- purge system
- 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.)
- Granted
Links
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
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
-
- 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)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Emergency Alarm Devices (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention provides an intelligent main engine nitrogen purging system for a compressed natural gas vessel and a working method thereof. The intelligent main engine nitrogen purging system for the compressed natural gas vessel comprises a detection unit, a processing unit, a control unit, a communication unit, an alarming unit and an execution unit, wherein the control unit is electrically connected with the detection unit through the processing unit; the control unit is also electrically connected with the communication unit, the alarming unit and the execution unit; the detection unit comprises a group of gas detectors arranged in a vessel main engine and a main engine pipeline; and the execution unit is arranged in the vessel main engine, and comprises a nitrogen purging device, a gas supply cut-off device and a pressure relief device. The intelligent compressed natural gas vessel main engine nitrogen purging system is reasonable in structure, and is safe and high-efficient. The working method of the intelligent main engine nitrogen purging system for the compressed natural gas vessel is reasonable, easy for implementation, convenient for application and high in intelligent level.
Description
Technical field
The invention belongs to natural gas facility field, be applied on compressed natural gas ship, in particular it relates to a kind of Intelligent Compression natural gas boat main frame nitrogen purge system, and the method for work of Intelligent Compression natural gas boat main frame nitrogen purge system.
Background technology
Vessel for transport of compressed natural gas usually adopts double fuel main frame, burning diesel oil and natural gas, and supply air line adopts double-wall pipe, to meet the requirement of classification society, considerably increases transport capacity and flying power.Saving the time with natural gas in short-distance transport for fuel, handling goods has only to be reduced to natural pressure certain pressure, it is to avoid loaded down with trivial details pipeline liquefying plant, saves expense, saves the time equally, is deeply subject to making earnest efforts of shipowner.Additionally, natural gas is as fuel, moreover it is possible to play the effect of energy-conserving and environment-protective, there is the high value of environmental protection.
But, owing to vessel for transport of compressed natural gas is furnished with the main frame of the natural gas that can burn, and natural gas belongs to fuel gas, increase the danger classes of boats and ships, during the situations such as the maintaining at main frame bavin oil and gas handoff procedure and diesel engine, have a small amount of natural gas and remain in associated components and pipe, crewman and boats and ships are brought danger.Accordingly, it would be desirable to design a set of detection of natural gas and purging system, thus ensure navigation safety.
Summary of the invention
Goal of the invention: the invention provides the method for work of a kind of safe and efficient Intelligent Compression natural gas boat main frame nitrogen purge system and Intelligent Compression natural gas boat main frame nitrogen purge system.
Technical scheme: the invention provides a kind of Intelligent Compression natural gas boat main frame nitrogen purge system, it is installed on compressed natural gas ship, including detection unit, processing unit, control unit, communication unit, alarm unit and performance element, the treated unit of described control unit is electrically connected with detection unit, and described control unit is also electrically connected with communication unit, alarm unit and performance element respectively；Wherein, described detection unit includes one group of gas detector, is located in marine main engine and in host pipes；Described performance element is located in marine main engine, including nitrogen purging device, supply shearing device and pressure relief device.Intelligent Compression natural gas boat main frame nitrogen purge system of the present invention, is applied to compressed natural gas ship, and it is rational in infrastructure, safety, efficiently.Multiple gas detectors are arranged at the multiple key positions in marine main engine and in host pipes, quickly detect natural gas leakage, it is to avoid dangerous, in order to avoid producing serious consequence.When natural gas cont signal being detected, once beyond standard, feed back to rapidly control unit, and make reply by performance element, found early by communication unit, alarm unit, and respond rapidly, avoid dangerous generation, avoiding leading to grave consequences, creating safer work, life and transportation environment, thus ensureing navigation safety.
Further, above-mentioned Intelligent Compression natural gas boat main frame nitrogen purge system, described gas detector adopts infrared-type sensor, and described infrared ray sensor includes optical system and detecting element.Infrared-type sensor sensitivity, Stability and veracity are high, find rapidly.
Further, above-mentioned Intelligent Compression natural gas boat main frame nitrogen purge system, described processing unit includes filter circuit module, analog to digital conversion circuit module, amplification circuit module, central processing unit and signal isolation module, the input of described filter circuit module and described detection unit are electrically connected, the outfan of described filter circuit module is electrically connected with analog to digital conversion circuit module, amplification circuit module, central processing unit and signal isolation module successively, and the outfan of described signal isolation module and control unit are electrically connected.Wherein filter circuit module goes out rapidly interference signal.Described central processing unit includes memorizer, arithmetical unit, processor and ultramagnifier, passes to control unit after accurately carrying out signal processing rapidly.And signal isolation module ensures to pass stable output signal.
Further, above-mentioned Intelligent Compression natural gas boat main frame nitrogen purge system, described control unit includes visual control center and actuating of relay module, and control room and/or driver's cabin are located in described visual control center；Described actuating of relay module and communication unit, alarm unit and performance element are electrically connected.Visual control center to the setting of various parameters, and can carry out monitor in real time, very intuitively.When detecting that natural gas gas is excessive, actuating of relay module is connected, and performance element responds.
Further, above-mentioned Intelligent Compression natural gas boat main frame nitrogen purge system, described communication unit is connected by network with intelligent mobile terminal, and wherein, described intelligent mobile terminal includes mobile phone and/or wearable device；Described network connects and includes Wifi or 4G or bluetooth connection.Intelligence degree is high, and it is very convenient to use, and can give feedback and warning the very first time simultaneously, it is possible to reminds related personnel to carry out rapid answer, races against time, it is to avoid cause serious consequence.
Further, above-mentioned Intelligent Compression natural gas boat main frame nitrogen purge system, described alarm unit includes audible-visual annunciator and electromagnetic shaker, and described audible-visual annunciator includes buzzer and warning lamp.Audible-visual annunciator is reported to the police by buzzing and warning lamp, and electromagnetic shaker vibration reminding, points out rapidly related personnel simultaneously.
Further, above-mentioned Intelligent Compression natural gas boat main frame nitrogen purge system, described nitrogen purging device includes one group of nitrogen cylinder, is connected with marine main engine by pipeline, and is additionally provided with electromagnetic valve on described pipeline.Other noble gases can also be used as replacement, and it is low that nitrogen purges application cost, and applies conveniently.Nitrogen cylinder adopts the standard bottle of 50L200bar, facilitates the replacing of crewman's regular maintenance, and release order adopts logical signal to process.
Further, above-mentioned Intelligent Compression natural gas boat main frame nitrogen purge system, marine main engine admission line is located at by described supply shearing device, including one group of quick action emergency valve.Close rapidly the air inlet of natural gas, make natural gas supply system airtight, in order to avoid natural gas content increases.
Further, above-mentioned Intelligent Compression natural gas boat main frame nitrogen purge system, described pressure relief device is connected with marine main engine admission line, including one group of relief hole and surge tank；The pipeline that described pressure relief device is connected with marine main engine is additionally provided with pressure transducer.Prevent the excessive situation of pressure occurred in reply process, pipeline is carried out pressure release, and the size of pressure can be detected by pressure transducer and control the unlatching of relief hole and open quantity and opening degree, increase the safety of system further.
The present invention also provides for the method for work of a kind of Intelligent Compression natural gas boat main frame nitrogen purge system, comprises the following steps:
1) the pressure alarm value by being located at the alarm value arranging natural gas gas content in the visual control of control room and/or cab control unit in the heart and on pipeline that pressure relief device is connected with marine main engine；
2) it is located in marine main engine and the gas detector of host pipes works with the pressure transducer being located on the pipeline that pressure relief device is connected with marine main engine, and communicate information to processing unit, feed back to control unit after treated unit multistep treatment, and be shown in the visual control center being located at control room and/or driver's cabin；
3) detecting that the content of natural gas gas exceedes alarm value, actuating of relay module is connected, communication unit, alarm unit and performance element work, opens nitrogen purging device and supply shearing device；Audible-visual annunciator buzzer and warning lamp send warning, electromagnetic shaker vibration reminding related personnel simultaneously；And communication unit transmits information to intelligent mobile terminal, mobile phone and/or wearable device by network and sends prompting, reminds related personnel；
4) detecting that the pressure on the pipeline that pressure relief device is connected with marine main engine exceedes alarm value, control unit controls pressure relief device work further, opens relief hole, carries out pressure release.
The method of work of Intelligent Compression natural gas boat main frame nitrogen purge system of the present invention, method is reasonable, it is easy to accomplish, application is convenient, and intelligence degree is high.
Beneficial effect: the invention have the advantages that Intelligent Compression natural gas boat main frame nitrogen purge system of the present invention, it is rational in infrastructure, it is easy to accomplish, intelligence degree is high, and sensitivity is high, and response is rapidly and stable performance.The method of work of Intelligent Compression natural gas boat main frame nitrogen purge system of the present invention, method is reasonable, it is easy to accomplish, application is convenient, and intelligence degree is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of Intelligent Compression natural gas boat main frame nitrogen purge system of the present invention；
Fig. 2 is the electric connection figure of processing unit of the present invention.
In figure: 1 detection unit, 2 processing units, 21 filter circuit modules, 22 analog to digital conversion circuit modules, 23 amplification circuit module, 24 central processing units, 25 signal isolation modules, 3 control units, 4 communication units, 41 intelligent mobile terminals, 5 alarm units, 51 audible-visual annunciators, 52 electromagnetic shakers, 6 performance elements, 61 nitrogen purging devices, 62 supply shearing device, 63 pressure relief devices.
Detailed description of the invention
Following by specific embodiment, being further elucidated with the present invention, these embodiments, simply to illustrate that problem, are not a kind of restriction.
Embodiment
A kind of Intelligent Compression natural gas boat main frame nitrogen purge system, it is installed on compressed natural gas ship, as shown in Figure 1, including detection unit 1, processing unit 2, control unit 3, communication unit 4, alarm unit 5 and performance element 6, the treated unit 2 of described control unit 3 is electrically connected with detection unit 1, and described control unit 3 is also electrically connected with communication unit 4, alarm unit 5 and performance element 6 respectively.Wherein, described detection unit 1 includes one group of gas detector, adopts infrared-type sensor, and described infrared ray sensor includes optical system and detecting element, and gas detector is located in marine main engine and in host pipes.And described performance element 6 is located in marine main engine, including nitrogen purging device 61, supply shearing device 62 and pressure relief device 63.Described nitrogen purging device 61 includes one group of nitrogen cylinder, is connected with marine main engine by pipeline, and is additionally provided with electromagnetic valve on described pipeline.Meanwhile, marine main engine admission line is located at by described supply shearing device 62, including one group of quick action emergency valve.Additionally, above-mentioned Intelligent Compression natural gas boat main frame nitrogen purge system, described pressure relief device 63 is connected with marine main engine admission line, including one group of relief hole and surge tank；The pipeline that described pressure relief device 63 is connected with marine main engine is additionally provided with pressure transducer.
Further, above-mentioned Intelligent Compression natural gas boat main frame nitrogen purge system, described processing unit 2, as shown in Figure 2, including filter circuit module 21, analog to digital conversion circuit module 22, amplification circuit module 23, central processing unit 24 and signal isolation module 25, input and the described detection unit 1 of described filter circuit module 21 are electrically connected, the outfan of described filter circuit module 21 successively with analog to digital conversion circuit module 22, amplification circuit module 23, central processing unit 24 and signal isolation module 25 are electrically connected, outfan and the control unit 3 of described signal isolation module 25 are electrically connected.Additionally, described control unit 3 includes visual control center and actuating of relay module, control room and/or driver's cabin are located in described visual control center；Described actuating of relay module and communication unit 4, alarm unit 5 and performance element 6 are electrically connected.Wherein, described communication unit 4 and intelligent mobile terminal 41, including mobile phone and/or wearable device, connected by Wifi or 4G or bluetooth.Alarm unit 5 described in described network includes audible-visual annunciator 51 and electromagnetic shaker 52, and described audible-visual annunciator 51 includes buzzer and warning lamp.
During work, based on above architecture basics, comprise the following steps:
1) the pressure alarm value by being located at the alarm value arranging natural gas gas content in the visual control of control room and/or cab control unit 3 in the heart and on pipeline that pressure relief device 63 is connected with marine main engine；
2) it is located in marine main engine and the gas detector of host pipes works with the pressure transducer being located on the pipeline that pressure relief device 63 is connected with marine main engine, and communicate information to processing unit 2, feed back to control unit 3 after treated unit 2 multistep treatment, and be shown in the visual control center being located at control room and/or driver's cabin；
3) detecting that the content of natural gas gas exceedes alarm value, actuating of relay module is connected, and communication unit 4, alarm unit 5 and performance element 6 work, and opens nitrogen purging device 61 and supply shearing device 62, carries out nitrogen purge while cutting off natural gas；Audible-visual annunciator 51 buzzer and warning lamp send warning, electromagnetic shaker 52 vibration reminding related personnel simultaneously；And communication unit 4 transmits information to intelligent mobile terminal 41, mobile phone and/or wearable device by network and sends prompting, reminds related personnel；
4) detecting that the pressure on the pipeline that pressure relief device 63 is connected with marine main engine exceedes alarm value, control unit 3 controls pressure relief device 63 further and works, and opens relief hole, carries out pressure release.
The above is only the embodiment of invention, it is noted that for those skilled in the art, under the premise without departing from inventive principle, it is also possible to make some improvement, these improvement also should be regarded as protection scope of the present invention.
Claims (10)
1. an Intelligent Compression natural gas boat main frame nitrogen purge system, it is installed on compressed natural gas ship, it is characterized in that: include detection unit (1), processing unit (2), control unit (3), communication unit (4), alarm unit (5) and performance element (6), described control unit (3) treated unit (2) is electrically connected with detection unit (1), and described control unit (3) is also electrically connected with communication unit (4), alarm unit (5) and performance element (6) respectively；
Wherein, described detection unit (1) includes one group of gas detector, is located in marine main engine and in host pipes；Described performance element (6) is located in marine main engine, including nitrogen purging device (61), supply shearing device (62) and pressure relief device (63).
2. Intelligent Compression natural gas boat main frame nitrogen purge system according to claim 1, it is characterised in that: described gas detector adopts infrared-type sensor, and described infrared ray sensor includes optical system and detecting element.
3. Intelligent Compression natural gas boat main frame nitrogen purge system according to claim 1, it is characterized in that: described processing unit (2) includes filter circuit module (21), analog to digital conversion circuit module (22), amplification circuit module (23), central processing unit (24) and signal isolation module (25), the input of described filter circuit module (21) and described detection unit (1) are electrically connected, the outfan of described filter circuit module (21) successively with analog to digital conversion circuit module (22), amplification circuit module (23), central processing unit (24) and signal isolation module (25) are electrically connected, the outfan of described signal isolation module (25) and control unit (3) are electrically connected.
4. Intelligent Compression natural gas boat main frame nitrogen purge system according to claim 1, it is characterised in that: described control unit (3) includes visual control center and actuating of relay module, and control room and/or driver's cabin are located in described visual control center；Described actuating of relay module and communication unit (4), alarm unit (5) and performance element (6) are electrically connected.
5. Intelligent Compression natural gas boat main frame nitrogen purge system according to claim 1, it is characterized in that: described communication unit (4) is connected by network with intelligent mobile terminal (41), wherein, described intelligent mobile terminal (41) includes mobile phone and/or wearable device；Described network connects and includes Wifi or 4G or bluetooth connection.
6. Intelligent Compression natural gas boat main frame nitrogen purge system according to claim 1, it is characterised in that: described alarm unit (5) includes audible-visual annunciator (51) and electromagnetic shaker (52), and described audible-visual annunciator (51) includes buzzer and warning lamp.
7. Intelligent Compression natural gas boat main frame nitrogen purge system according to claim 1, it is characterised in that: described nitrogen purging device (61) includes one group of nitrogen cylinder, is connected with marine main engine by pipeline, and is additionally provided with electromagnetic valve on described pipeline.
8. Intelligent Compression natural gas boat main frame nitrogen purge system according to claim 1, it is characterised in that: described supply shearing device (62) is located at marine main engine admission line, including one group of quick action emergency valve.
9. Intelligent Compression natural gas boat main frame nitrogen purge system according to claim 1, it is characterised in that: described pressure relief device (63) is connected with marine main engine admission line, including one group of relief hole and surge tank；The pipeline that described pressure relief device (63) is connected with marine main engine is additionally provided with pressure transducer.
10. the method for work of an Intelligent Compression natural gas boat main frame nitrogen purge system, it is characterised in that: comprise the following steps:
1) the pressure alarm value by being located at the alarm value arranging natural gas gas content in the visual control of control room and/or cab control unit (3) in the heart and on pipeline that pressure relief device (63) is connected with marine main engine；
2) it is located in marine main engine and the gas detector of host pipes works with the pressure transducer being located on the pipeline that pressure relief device (63) is connected with marine main engine, and communicate information to processing unit (2), feed back to control unit (3) after treated unit (2) multistep treatment, and be shown in the visual control center being located at control room and/or driver's cabin；
3) detecting that the content of natural gas gas exceedes alarm value, actuating of relay module is connected, communication unit (4), alarm unit (5) and performance element (6) work, opens nitrogen purging device (61) and supply shearing device (62)；Audible-visual annunciator (51) buzzer and warning lamp send warning, electromagnetic shaker (52) vibration reminding related personnel simultaneously；And communication unit (4) transmits information to intelligent mobile terminal (41) by network, mobile phone and/or wearable device send prompting, remind related personnel；
4) detecting that the pressure on the pipeline that pressure relief device (63) is connected with marine main engine exceedes alarm value, control unit (3) controls pressure relief device (63) work further, opens relief hole, carries out pressure release.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610063225.0A CN105736952B (en) | 2016-01-31 | 2016-01-31 | A kind of Intelligent Compression natural gas boat host nitrogen purge system and its method of work |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610063225.0A CN105736952B (en) | 2016-01-31 | 2016-01-31 | A kind of Intelligent Compression natural gas boat host nitrogen purge system and its method of work |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105736952A true CN105736952A (en) | 2016-07-06 |
| CN105736952B CN105736952B (en) | 2018-05-25 |
Family
ID=56247916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610063225.0A Active CN105736952B (en) | 2016-01-31 | 2016-01-31 | A kind of Intelligent Compression natural gas boat host nitrogen purge system and its method of work |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105736952B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106815976A (en) * | 2017-02-14 | 2017-06-09 | 中国国际海运集装箱(集团)股份有限公司 | Compressed natural gas ship and its emergency switching-off system |
| CN107781646A (en) * | 2017-11-21 | 2018-03-09 | 中煤航测遥感集团有限公司 | Natural gas monitoring system |
| CN108224097A (en) * | 2018-01-30 | 2018-06-29 | 北京建筑大学 | A kind of gas pipeline leakage alarm system and detection method |
| CN109595471A (en) * | 2018-10-20 | 2019-04-09 | 徐广祥 | A kind of detection device and its detection method of natural gas line |
| CN110869663A (en) * | 2017-06-30 | 2020-03-06 | 千代田化工建设株式会社 | Liquefied gas discharge system and discharge method |
| CN113357546A (en) * | 2021-06-01 | 2021-09-07 | 南京惟真智能管网科技研究院有限公司 | Intelligent cloud platform monitoring pipe network leakage system |
| CN113804826A (en) * | 2020-06-12 | 2021-12-17 | 深圳嘉德智慧科技有限公司 | Toxic gas detection leakage detection intelligent control system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010125319A2 (en) * | 2009-04-30 | 2010-11-04 | Societe Europeenne D'ingenierie Mecanique - Eurodim | Arrangement for transferring a fluid to a ship and system for transferring fluid between two ships, one of which is provided with the arrangement of the invention |
| CN202257864U (en) * | 2011-08-31 | 2012-05-30 | 瓮福（集团）有限责任公司 | Hydrogen sulfide leakage alarm device based on short messages |
| CN102588126A (en) * | 2011-12-16 | 2012-07-18 | 江苏蓝色船舶动力有限公司 | Diesel-LNG (liquefied natural gas) dual-fuel engine management system for inland navigation vessel |
| CN203480654U (en) * | 2013-09-09 | 2014-03-12 | 绍兴文理学院 | Methane alarm |
| CN204187281U (en) * | 2014-10-29 | 2015-03-04 | 刘复合 | A kind of pressure relief system for high-pressure gas long distance pipeline |
| CN105240127A (en) * | 2015-10-26 | 2016-01-13 | 成都华气厚普机电设备股份有限公司 | Fuel gas supply control system of engine trial run platform |
-
2016
- 2016-01-31 CN CN201610063225.0A patent/CN105736952B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010125319A2 (en) * | 2009-04-30 | 2010-11-04 | Societe Europeenne D'ingenierie Mecanique - Eurodim | Arrangement for transferring a fluid to a ship and system for transferring fluid between two ships, one of which is provided with the arrangement of the invention |
| CN202257864U (en) * | 2011-08-31 | 2012-05-30 | 瓮福（集团）有限责任公司 | Hydrogen sulfide leakage alarm device based on short messages |
| CN102588126A (en) * | 2011-12-16 | 2012-07-18 | 江苏蓝色船舶动力有限公司 | Diesel-LNG (liquefied natural gas) dual-fuel engine management system for inland navigation vessel |
| CN203480654U (en) * | 2013-09-09 | 2014-03-12 | 绍兴文理学院 | Methane alarm |
| CN204187281U (en) * | 2014-10-29 | 2015-03-04 | 刘复合 | A kind of pressure relief system for high-pressure gas long distance pipeline |
| CN105240127A (en) * | 2015-10-26 | 2016-01-13 | 成都华气厚普机电设备股份有限公司 | Fuel gas supply control system of engine trial run platform |
Non-Patent Citations (2)
| Title |
|---|
| 李超等: "LNG 动力船舶加气技术", 《油气储运》 * |
| 金贤等: "CNG船主机供气系统设计", 《船舶工程》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106815976A (en) * | 2017-02-14 | 2017-06-09 | 中国国际海运集装箱(集团)股份有限公司 | Compressed natural gas ship and its emergency switching-off system |
| CN110869663A (en) * | 2017-06-30 | 2020-03-06 | 千代田化工建设株式会社 | Liquefied gas discharge system and discharge method |
| CN110869663B (en) * | 2017-06-30 | 2022-02-18 | 千代田化工建设株式会社 | Liquefied gas discharge system and discharge method |
| CN107781646A (en) * | 2017-11-21 | 2018-03-09 | 中煤航测遥感集团有限公司 | Natural gas monitoring system |
| CN108224097A (en) * | 2018-01-30 | 2018-06-29 | 北京建筑大学 | A kind of gas pipeline leakage alarm system and detection method |
| CN109595471A (en) * | 2018-10-20 | 2019-04-09 | 徐广祥 | A kind of detection device and its detection method of natural gas line |
| CN113804826A (en) * | 2020-06-12 | 2021-12-17 | 深圳嘉德智慧科技有限公司 | Toxic gas detection leakage detection intelligent control system |
| CN113357546A (en) * | 2021-06-01 | 2021-09-07 | 南京惟真智能管网科技研究院有限公司 | Intelligent cloud platform monitoring pipe network leakage system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105736952B (en) | 2018-05-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105736952A (en) | Intelligent main engine nitrogen purging system for compressed natural gas vessel and working method thereof | |
| CN110335438B (en) | Hydrogen fuel cell ship safety protection system and protection method | |
| CN204203678U (en) | A kind of boats and ships hazardous gas detecting and warning system | |
| CN204883287U (en) | Boats and ships cabin safety monitoring system based on data integration and processing | |
| CN203408395U (en) | Marine CO2 (Carbon Dioxide) fire extinguishing system | |
| CN105608847A (en) | Inland river dual fuel power-driven vessel security control system | |
| CN105674062A (en) | Gas pipeline inspection system based on Beidou communication technique | |
| CN211097167U (en) | Fire extinguishing system for ship | |
| CN207731142U (en) | A kind of hydrogen explosion protection system device of container-type | |
| CN208888992U (en) | A kind of gas detection alarm device based on wireless cloud | |
| CN105513290A (en) | Multifunctional compressed natural gas ship gas detection system and method of working thereof | |
| CN207637265U (en) | A kind of node type alarm communication system | |
| CN207382470U (en) | A kind of video monitoring gas applied to restricted clearance detects prior-warning device | |
| CN110793714B (en) | On-line monitoring system for vehicle-mounted high-pressure hydrogen storage tank | |
| CN210428225U (en) | Ship monitoring system | |
| CN205345304U (en) | Novel hybrid boats and ships host computer | |
| CN203432742U (en) | Alarm system of reaction device | |
| CN215259199U (en) | Aircraft oxygenation monitoring system | |
| CN202549013U (en) | Intelligent gas warning system | |
| CN210526868U (en) | Aircraft engine tail gas recovery type fuel tank inerting system | |
| CN208951686U (en) | A kind of leakage alarm linked system | |
| CN210294201U (en) | Gas security inspection vehicle | |
| CN205103968U (en) | Tunnel fire hazard early warning system based on computer technology | |
| CN203535768U (en) | Air environment alarm of cabin | |
| CN213628279U (en) | Forklift detection control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |