CN115654362B - LNG filling safety inspection method and system - Google Patents
LNG filling safety inspection method and system Download PDFInfo
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- CN115654362B CN115654362B CN202211575545.6A CN202211575545A CN115654362B CN 115654362 B CN115654362 B CN 115654362B CN 202211575545 A CN202211575545 A CN 202211575545A CN 115654362 B CN115654362 B CN 115654362B
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Abstract
The invention discloses an LNG filling safety inspection method and an LNG filling safety inspection system, which belong to the technical field of LNG filling. On one hand, the invention establishes connection between the ship/ship and the ship/shore by means of the prior communication technology, and simultaneously electronizes the papery inspection items, so that a crew can finish all inspection item confirmation work with other ship/shore personnel on the ship; on the other hand, the data acquisition device is configured, so that the LNG cargo data in the filling process can be acquired from the LNG filling management system, and the filling report can be automatically produced after filling is finished; and finally, the data can be sent to a shore-based manager, so that the supervision requirement of the filling process is met.
Description
Technical Field
The invention belongs to the technical field of LNG (liquefied natural gas) filling, and particularly relates to a method and a system for LNG filling safety inspection.
Background
At present, before the operation of an LNG filling ship, a shipman of the LNG filling ship and a filled ship/shore-based personnel need to manually check the safety state before filling item by item, both the filled and filling parties need to periodically check the safety state in the filling process, and meanwhile, after the filling is finished, relevant data of the filling is required to be manually filled. Meanwhile, the work is finished by manual general papery documents, and a shore-based shipowner manager and a supervisor cannot monitor the filling process.
Therefore, in the existing LNG filling process, on one hand, the number of inspection items is large, all work is completed manually, and the equivalent work of loading and unloading the ship core by a crew is involved, so that the filling efficiency is influenced; on the other hand, a shore-based supervisor is difficult to monitor the whole filling process, and the safety of the filling process is difficult to guarantee.
Disclosure of Invention
The invention aims to provide an LNG filling safety inspection method and an LNG filling safety inspection system which are capable of saving workload, improving LNG filling efficiency and improving safety.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: an LNG filling safety inspection method comprises the following steps:
s1, according to the filling type selected by a crew, automatically inquiring from a database, pushing safety inspection items before filling one by one to a display, and simultaneously controlling a safety indicator lamp to display red;
confirming each safety check item on a display respectively, and recording the confirmation state by a processor;
after the safety inspection items before filling are confirmed by both the filled part and the filling part, the processor records that the safety inspection is finished before filling and makes the safety indicator light display green;
s2, when the crews select filling on the display, the processor automatically inquires from the database and pushes the safety inspection items in filling one by one to the display at regular time, if any one person does not confirm the safety inspection items within the set time, the processor controls the safety indicator lamp to display red, and gives an alarm sound through the loudspeaker, only when the safety inspection items are confirmed by the filled and filled persons, the alarm can be eliminated, and the safety indicator lamp is recovered to be green;
s3, when the crew selects and fills on the display, the processor automatically inquires from the database and pushes filled safety inspection items to the display one by one, and simultaneously controls the safety indicator lamps to display red, when the staff of both the filled and filled parties completes confirmation of all the safety inspection items, the processor automatically generates all reports generated by the filling according to LNG cargo data collected and recorded in the filling process and displays the reports on the display, the staff of both the filled and filled parties can sign the reports on the sign board, and only when both the filled and filled parties sign the reports, the safety indicator lamps recover green, and the filling end is prompted through the loudspeaker;
and S4, when the LNG filling ship or the shore station is selected as the filling type, after filling is finished, the data and the report are sent to a shore-based manager, and the supervision requirement of the filling process is met.
Furthermore, crews of both the remark receiving party and the remark filling party can communicate the states of both the remark receiving party and the remark filling party through the voice communicator.
The LNG cargo data collected and recorded in the filling process comprise LNG temperature, pressure, tank capacity and filling rate.
The invention also provides an LNG filling safety inspection system which comprises a filling system and a filling system, wherein the filling system is arranged on the filling ship, and the filling system is arranged on the LNG filling ship, the tank car or the shore station.
The filled system and the filling system establish communication connection through the existing ship communication system to realize data transmission and synchronization.
The receiving system and the filling system respectively comprise a receiving LNG filling safety inspection device and a filling LNG filling safety inspection device, and the receiving LNG filling safety inspection device and the filling LNG filling safety inspection device both comprise:
a display: the system is used for displaying each safety inspection item before, during and after filling and displaying the generated inspection report;
safety indicator lamp: the safety indicator light is used for displaying the safety state of the current process, and only after all the inspection items are confirmed by both the remarked party and the filling party aiming at the safety inspection before filling, the safety indicator light is green to indicate that the next action can be carried out, otherwise, the safety indicator light is red; aiming at periodic safety check in the filling process, a processor pushes an item to be checked to a display at regular time, and only if both the filled and filled parts complete confirmation within a set time range, a safety indicator lamp keeps green, otherwise, the safety indicator lamp displays red; for the safety inspection after the filling, the safety indicator lamp is kept green only when both the filled and filled parties confirm all the inspection items and sign all reports generated by the filling, otherwise, the safety indicator lamp is displayed red;
the voice communicator: the system is used for communicating with the opposite side in real time and communicating the system states of the annotated party and the filling party;
a loudspeaker: the method is used for playing the call sound and the alarm sound;
signature board: the system is used for the crew to sign all reports generated by the filling;
a processor: the method is used for realizing the related business processing logic of the LNG filling safety inspection device and pushing related results.
The processor comprises a safety check item pushing module before filling, a safety check item pushing module during filling, a safety check item pushing module after filling and a report generating module,
the safety inspection item pushing module before filling, the safety inspection item pushing module during filling and the safety inspection item pushing module after filling all comprise options whether to confirm or not.
And when the safety inspection item pushing module selects the 'yes' option before filling, the green light of the safety indicator lamp is triggered to be turned on, and otherwise, the red light of the safety indicator lamp is triggered to be turned on.
The safety inspection item pushing module in filling is connected with the timing module, the timing module can set a confirmation time range, when the starting time is selected to the ending time to be within the set time range, and the safety inspection item pushing module in filling selects all 'yes' options, the safety indicator lamp is triggered to be turned on to be green, otherwise, the safety indicator lamp is triggered to be turned on to be red. When the safety indicator light displays a red light, the loudspeaker is triggered to alarm.
When all the safety inspection item pushing modules select the 'yes' option after filling, and after signing by the signature board is completed, the safety indicator lamp green light is triggered to be turned on, otherwise, the safety indicator lamp red light is triggered to be turned on;
when the safety indicator lamp displays a green light after filling, the loudspeaker is triggered to prompt.
The invention has the following specific effects: on one hand, the invention establishes connection between the ship/ship and the ship/shore by means of the prior communication technology, and simultaneously electronizes the papery inspection items, so that a crew can complete all inspection item confirmation work with other ship/shore personnel on the ship, thereby ensuring the safety of each filling stage; on the other hand, the data acquisition device is configured, LNG cargo data in the filling process can be acquired from the LNG cargo management system, and the filling report is automatically generated after filling is completed; and finally, the data are sent to a shore-based manager, so that the supervision requirement of the filling process is met.
Drawings
Advantages and realisation of the invention will become more apparent from the following detailed description of the invention, given by way of example, with reference to the accompanying drawings, which are given by way of illustration only, and not by way of limitation, of the invention, and in which:
FIG. 1 is a topology diagram of the present invention;
FIG. 2 is a block diagram of the filled LNG filling safety inspection device of the present invention;
fig. 3 is a block diagram of the architecture of the processor of the present invention.
Detailed Description
As shown in fig. 1 and 2, the present invention relates to a method for checking safety of LNG refueling, comprising the following steps:
s1, automatically inquiring from a database and pushing safety inspection items before filling one by one to a touch display according to a filling type selected by a crew (namely selecting a corresponding filling system), ship-ship, ship-tank car and ship-shore station, and simultaneously controlling a safety indicator lamp to display red;
the crew of the two parties of the remark and the filling can communicate the states of the two parties of the remark and the filling through the voice communicator, respectively confirm each safety check item on the display (touch display), and record the confirmed state by the processor;
when both the injected party and the filling party complete the confirmation of all safety inspection items before filling, the processor records that the safety inspection is completed before filling and makes the safety indicator light display green;
s2, when the crews select filling on the display, the processor automatically inquires from the database and pushes the safety inspection items in filling one by one to the display at regular time, if any one person does not confirm the safety inspection items within the set time, the processor controls the safety indicator lamp to display red, and gives an alarm sound through the loudspeaker, only when the safety inspection items are confirmed by the filled and filled persons, the alarm can be eliminated, and the safety indicator lamp is recovered to be green;
and S3, when the crews select to finish filling on the display, the processor automatically inquires from the database and pushes the filled safety inspection items one by one to the touch display, and simultaneously controls the safety indicator lamps to display red, after the personnel of both the filling party and the non-filling party complete the confirmation of all the safety inspection items, the processor automatically generates all reports generated by the filling according to the LNG cargo data (acquired in real time through the data acquisition gateway) acquired and recorded in the filling process and displays the reports on the display, the personnel of both the filling party and the non-filling party can sign the reports on the signing board, and only after both the filling party and the non-filling party are signed, the safety indicator lamps are recovered to be green, and the loudspeaker prompts that the filling is finished.
And S4, when the LNG filling ship or the shore station is selected as the filling type, after filling is finished, the data and the report are sent to a shore-based manager, and the supervision requirement of the filling process is met.
The LNG cargo data collected and recorded in the filling process are collected in real time through an LNG cargo management system, the LNG cargo management system comprises a CHS (cargo containment system), a CCS (cargo monitoring system) and an ESD (emergency shutdown system), and the systems are all in the prior art.
The LNG cargo related data collected and recorded in real time comprise LNG temperature, pressure, tank capacity, filling rate and the like, wherein the LNG temperature, the pressure, the tank capacity and the filling rate are measured by sensors in a cargo hold, the sensors are all installed in the cargo hold, and signals are transmitted to a processor and are displayed after being processed by the processor.
The LNG filling safety inspection system comprises a filling system and a filling system, wherein the filling system is arranged on a filling ship, and the filling system is arranged on an LNG filling ship, a tank car or a shore station.
The filled system and the filling system establish communication connection through the existing ship communication system (VSAT, 3G/4G, VDES or wired network) to realize data transmission and synchronization.
The receiving system and the filling system respectively comprise a receiving LNG filling safety inspection device and a filling LNG filling safety inspection device, and the receiving LNG filling safety inspection device and the filling LNG filling safety inspection device respectively comprise:
display (touch display): the system is used for displaying each safety inspection item before, during and after filling, and displaying the generated inspection report;
safety indicator lamp: the safety indicator light is used for displaying the safety state of the current process, and only after all the inspection items are confirmed by both the remarked party and the filling party aiming at the safety inspection before filling, the safety indicator light is green to indicate that the next action can be carried out, otherwise, the safety indicator light is red; aiming at periodic safety check in the filling process, a processor pushes an item to be checked to a display at regular time, and only if both the filled and filled parts complete confirmation within a set time range, a safety indicator lamp keeps green, otherwise, the safety indicator lamp displays red; aiming at the safety inspection after filling, only when the two sides of the filled part and the filling part confirm all the inspection items and sign all the reports generated by the filling, the safety indicator lamp keeps green, otherwise, the safety indicator lamp displays red;
the voice communicator: the system is used for communicating with the opposite side in real time and communicating the system states of the annotated party and the filling party;
a loudspeaker: the method is used for playing the call sound and the alarm sound;
signature board: the method is used for signing all reports generated by the filling by the shipman; the signature board is an electronic signature board or an electronic signature module, and the electronic signature board and the electronic signature module are both of the existing structure;
a processor: the method is used for realizing the related business processing logic of the LNG filling safety inspection device and pushing the related results.
As shown in fig. 3, the processor includes a pre-filling security check item pushing module, an in-filling security check item pushing module, a post-filling security check item pushing module, and a report generating module;
safety inspection item propelling movement module before filling, safety inspection item propelling movement module and safety inspection item propelling movement module after filling all including whether confirm the option in filling.
And when the safety inspection item pushing module selects all 'yes' options before filling, the green light of the safety indicator lamp is triggered to be turned on, otherwise, the red light of the safety indicator lamp is triggered to be turned on.
The safety inspection item pushing module in filling is connected with the timing module, the timing module can set a confirmation time range, when the selection starting time to the completion time are within the set time range and the safety inspection item pushing module in filling selects all 'yes' options, a green light of the safety indicator lamp is triggered to be turned on, and otherwise, a red light of the safety indicator lamp is triggered to be turned on. When the safety indicator light displays a red light, the loudspeaker is triggered to alarm.
When the filled safety inspection item pushing module selects the 'yes' option, and after signing of the signature board is completed, the green light of the safety indicator lamp is triggered to be turned on, otherwise, the red light of the safety indicator lamp is triggered to be turned on;
when the safety indicator lamp displays a green light after filling, the loudspeaker is triggered to prompt.
The safety inspection items before, during and after filling of the invention mainly comprise an ESD system, cargo tank liquid level, cargo tank pressure, filling rate in the filling process, piping pressure and the like, and refer to CCS filling operation safety guidelines specifically.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.
Claims (9)
1. An LNG filling safety inspection method is characterized in that: the method comprises the following steps:
s1, inquiring from a database and pushing safety inspection items before filling one by one to a display according to filling types, and simultaneously controlling a safety indicator lamp to display red;
confirming each safety check item on a display respectively, and recording the confirmation state by a processor;
after the safety inspection items before filling are confirmed by both the filled part and the filling part, the processor records that the safety inspection is finished before filling and makes the safety indicator light display green;
s2, when the crews select filling on the display, the processor automatically inquires from the database and pushes the safety inspection items in filling one by one to the display at regular time, if any one person does not confirm the safety inspection items within the set time, the processor controls the safety indicator lamp to display red, and gives an alarm sound through the loudspeaker, only when the safety inspection items are confirmed by the filled and filled persons, the alarm can be eliminated, and the safety indicator lamp is recovered to be green;
s3, when the crews select to add on the display, the processor automatically inquires from the database and pushes added safety inspection items to the display one by one, and meanwhile, the safety indicator lamps are controlled to display red, when the personnel of the two parties of the filling and the receiving are confirmed, the processor automatically generates all reports generated by the current adding according to the LNG cargo data collected and recorded in the adding process and displays the reports on the display, the personnel of the two parties of the filling and the receiving can sign the reports on the sign board, and only when the personnel of the two parties of the filling and the receiving are signed, the safety indicator lamps recover to be green;
when the LNG filling ship or the shore station is selected as the filling type, the data and the report are sent to a shore-based manager after filling is finished, and the supervision requirement of the filling process is met.
2. The LNG filling safety inspection method according to claim 1, characterized in that: the crew members of the two parties of the receiving and the filling can communicate the states of the two parties of the receiving and the filling through the voice communicator.
3. The LNG refueling safety inspection method according to claim 1, wherein:
the LNG cargo data collected and recorded in the filling process comprise LNG temperature, pressure, tank capacity and filling rate.
4. An LNG refueling safety inspection system for implementing the method of any one of claims 1 to 3, characterized in that: the system comprises a receiving system and a filling system, wherein the receiving system is arranged on a receiving ship, and the filling system is arranged on an LNG filling ship, a tank car or a shore station; the filled system and the filling system establish communication connection through the existing ship communication system to realize data transmission and synchronization.
5. An LNG filling safety inspection system according to claim 4, characterized in that: the receiving system and the filling system respectively comprise a receiving LNG filling safety inspection device and a filling LNG filling safety inspection device, and the receiving LNG filling safety inspection device and the filling LNG filling safety inspection device respectively comprise
A display: the system is used for displaying each safety inspection item before, during and after filling, and displaying the generated inspection report;
safety indicator lamp: the safety indicator light is used for displaying the safety state of the current process, and only after all the inspection items are confirmed by both the remarked party and the filling party aiming at the safety inspection before filling, the safety indicator light is green to indicate that the next action can be carried out, otherwise, the safety indicator light is red; aiming at periodic safety check in the filling process, a processor pushes an item to be checked to a display at regular time, and only if both the filled and filled parts complete confirmation within a set time range, a safety indicator lamp keeps green, otherwise, the safety indicator lamp displays red; aiming at the safety inspection after filling, only when the two sides of the filled part and the filling part confirm all the inspection items and sign all the reports generated by the filling, the safety indicator lamp keeps green, otherwise, the safety indicator lamp displays red;
the voice communicator: the system is used for communicating with the opposite side in real time and communicating the system states of the annotated party and the filling party;
a loudspeaker: the method is used for playing the call sound and the alarm sound;
signature board: the method is used for signing all reports generated by the filling by the shipman;
a processor: the method is used for realizing the related business processing logic of the LNG filling safety inspection device and pushing the related results.
6. An LNG filling safety inspection system according to claim 5, characterized in that:
the processor comprises a safety inspection item pushing module before filling, a safety inspection item pushing module during filling, a safety inspection item pushing module after filling and a report generating module, wherein the safety inspection item pushing module before filling, the safety inspection item pushing module during filling and the safety inspection item pushing module after filling all comprise options whether to confirm or not.
7. An LNG refueling safety inspection system as recited in claim 6, wherein: and when the safety inspection item pushing module selects the 'yes' option before filling, the green light of the safety indicator lamp is triggered to be turned on, and otherwise, the red light of the safety indicator lamp is triggered to be turned on.
8. An LNG refueling safety inspection system as recited in claim 6, wherein: the safety inspection item pushing module in filling is connected with the timing module, the timing module can set a confirmation time range, when the selected starting time and the selected ending time are within the set time range, and the safety inspection item pushing module in filling selects 'yes' options, a green light of the safety indicator lamp can be triggered to be turned on, otherwise, a red light of the safety indicator lamp can be triggered to be turned on, and when the safety indicator lamp displays the red light, a loudspeaker is triggered to give an alarm.
9. The LNG filling safety inspection system of claim 6, characterized in that:
when safety inspection item propelling movement module all selects "yes" option after filling, and sign board signs and accomplishes the back, can trigger to open the green lamp of safety pilot lamp, otherwise can trigger to open the red lamp of safety pilot lamp, when the green lamp of safety pilot lamp demonstration after the filling, triggers the speaker suggestion.
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| CN202211575545.6A CN115654362B (en) | 2022-12-09 | 2022-12-09 | LNG filling safety inspection method and system |
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| CN202211575545.6A CN115654362B (en) | 2022-12-09 | 2022-12-09 | LNG filling safety inspection method and system |
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| CN115654362B true CN115654362B (en) | 2023-04-07 |
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| CN2935299Y (en) * | 2005-05-17 | 2007-08-15 | 宗华 | Wireless two-way identification alarm device |
| CN104197183B (en) * | 2014-01-27 | 2016-05-11 | 江苏海企港华燃气发展有限公司 | A kind of natural gas filling station waterborne technological process and filling apparatus |
| CN105035024A (en) * | 2015-08-06 | 2015-11-11 | 上海雷尼威尔技术有限公司 | LNG automobile safety device |
| CN205781973U (en) * | 2016-06-24 | 2016-12-07 | 上海新奥新能源技术有限公司 | Liquid goods automaton and the LNG of a kind of LNG filling ship fill ship |
| CN206459010U (en) * | 2017-01-19 | 2017-09-01 | 张家港富瑞氢能装备有限公司 | The control system of skid-mounted type hydrogen filling apparatus |
| CN208484819U (en) * | 2018-05-14 | 2019-02-12 | 成都渝能能源设备有限公司 | A kind of control of LNG fuels and energy ship, monitoring and security system |
| KR20200081012A (en) * | 2018-12-27 | 2020-07-07 | 주식회사 디에이치콘트롤스 | Monitoring system for safety enhancement of LNG bunkering work |
| CN109818419A (en) * | 2019-01-10 | 2019-05-28 | 国网新疆电力有限公司吐鲁番供电公司 | A kind of substation's intelligent indicator lamp system |
| CN210764291U (en) * | 2019-05-28 | 2020-06-16 | 云南新能油品开发有限公司 | Video monitoring system of separation explosion-proof skid-mounted filling station |
| CN110454679B (en) * | 2019-07-02 | 2021-04-20 | 亚达管道系统股份有限公司 | Marine liquefied natural gas filling informatization method and system thereof |
| CN112061184A (en) * | 2020-09-27 | 2020-12-11 | 浙江大学常州工业技术研究院 | LNG tank multi-type intermodal railway transportation safety prevention system |
| CN213361880U (en) * | 2020-09-28 | 2021-06-04 | 重庆耐德能源装备集成有限公司 | Ship LNG filling communication control device and ship filling system |
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