CN113911269B - Emergency cutting device of liquid cargo system - Google Patents
Emergency cutting device of liquid cargo system Download PDFInfo
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- CN113911269B CN113911269B CN202111351528.XA CN202111351528A CN113911269B CN 113911269 B CN113911269 B CN 113911269B CN 202111351528 A CN202111351528 A CN 202111351528A CN 113911269 B CN113911269 B CN 113911269B
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- 239000007788 liquid Substances 0.000 title claims abstract description 63
- 230000000007 visual effect Effects 0.000 claims abstract description 21
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 238000012544 monitoring process Methods 0.000 claims abstract description 7
- 230000001960 triggered effect Effects 0.000 claims description 6
- 238000001802 infusion Methods 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000003032 molecular docking Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000001502 supplementing effect Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
- B63B27/24—Arrangement of ship-based loading or unloading equipment for cargo or passengers of pipe-lines
- B63B27/25—Arrangement of ship-based loading or unloading equipment for cargo or passengers of pipe-lines for fluidised bulk material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B45/00—Arrangements or adaptations of signalling or lighting devices
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G3/00—Traffic control systems for marine craft
- G08G3/02—Anti-collision systems
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- Engineering & Computer Science (AREA)
- Ocean & Marine Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Alarm Devices (AREA)
- Alarm Systems (AREA)
Abstract
The invention discloses an emergency cutting device of a liquid cargo system, which comprises a ship end and a shore station end, wherein a main control box on the ship end and the shore station end comprises an AMS comprehensive monitoring alarm system, a fog whistle and siren system, a watertight explosion-proof audible and visual alarm, a 5-pinhole watertight explosion-proof junction box, equipment for sensing fire to start ESD and a pressure detection plate, when the ship is on the shore, the ship end and the shore station end are respectively inserted into the 5-pinhole watertight explosion-proof junction boxes on the ship end and the shore station end through 5-pinhole plugs on the two ends of a portable electric reel cable, so that the ship end and the shore station end liquid cargo system are connected and controlled; the emergency cutting device has the beneficial effects that the emergency cutting device can quickly and effectively cut off a dangerous source, realize a remote control function and an audible and visual alarm function, prevent safety accidents, and effectively ensure the lives of workers at the ship end and the shore station end and the safety of related equipment at the ship end and the shore station end.
Description
Technical Field
The invention relates to the technical field of emergency protection of ships, in particular to an emergency cutting device of a liquid cargo system.
Background
The liquid cargo transport ship has higher transport risk in the wharf operation process, the safety of the ship during liquid cargo transport with the wharf at the terminal of the shore needs to be ensured, and the flow of liquid cargo and volatile vapor of the cargo needs to be stopped under emergency conditions, so that a liquid cargo operation system is in a safe and static state; however, the current liquid cargo emergency cutting device on the ship cannot realize mutual emergency cutting between the ship sides;
in view of the above, there is a need for an improved emergency shut-off device for existing liquid cargo systems that can accommodate the need to now be taken out of service in an emergency situation.
Disclosure of Invention
Because the current ship can not carry out emergency braking on the liquefaction system under emergency when carrying out liquid cargo with the wharf at the terminal of the shore, certain defects exist in safety, the emergency cutting device of the liquid cargo system is designed on the basis of the defects of the prior art, the emergency cutting device can carry out braking under emergency, the safety is high, and people can conveniently use the emergency cutting device.
The emergency cutting device for the liquid cargo system comprises a ship end and a shore station end, wherein a main control box on the ship end and the shore station end comprises an AMS comprehensive monitoring alarm system, a fog whistle and whistle system, a watertight explosion-proof audible and visual alarm, a 5-pinhole watertight explosion-proof junction box, equipment for sensing fire start ESD and a pressure detection plate, when the ship is on the shore, the ship end and the shore station end are respectively inserted into the 5-pinhole watertight explosion-proof junction boxes on the ship end and the shore station end through 5-pinhole plugs on the two ends of a portable electric reel cable, and the ship end and the shore station end liquid cargo system are connected and controlled.
According to the technical scheme, the main control box is further provided with a PLC, a human-computer interface touch screen, a UPS and an electric element, and the UPS and the electric element can continuously supply power for 90 minutes.
According to the technical scheme, an ESD normal state indicator lamp, a ship ESD fault alarm indicator lamp, a shore station end ESD fault alarm indicator lamp, a system fault alarm indicator lamp, a reset button with an indicator lamp, a buzzer, a test button, an alarm, an emergency manual cut-off button and an electric port and starboard selection switch are arranged on a panel of the main control box.
Further supplementing the technical scheme, the main control box signal connection IN/OUT is as follows:
IN (1), manual cut-off button; (2) a device that senses fire initiated ESD; (3), 5 pinhole watertight explosion-proof junction box; (4) a pressure detection plate;
OUT (1), an AMS comprehensive monitoring alarm system; (2), a fog whistle and a whistle system; (3) a watertight explosion-proof audible and visual alarm.
Further supplementing the technical scheme, the sensing temperature value of the equipment for sensing the fire start ESD is 98-104 ℃.
Further supplementing the technical scheme, the emergency cut-off device comprises a manual starting ESD emergency cut-off signal and an automatic starting ESD emergency cut-off signal.
Further supplementing the technical scheme, the manual starting of the ESD emergency cut-off signal comprises the following working steps:
I. ESD generated at the ship end;
(1) When the ship is on shore, the 5 pinhole plugs at the two ends of the portable electric reel cable are respectively inserted into watertight explosion-proof junction boxes on the ship and the shore station, so that the emergency cutting device of the liquid cargo system at the ship end and the shore station end is in butt joint;
(2) When ESD occurs during loading of the liquid cargo on the ship, an emergency manual cut-off button is pressed, and an ESD emergency stop signal is started;
(3) Stopping all cargo delivery pumps at the ship end;
(4) Outputting an ESD alarm signal to activate a sounding watertight explosion-proof audible and visual alarm;
(5) An ESD signal generated by the ship is sent to a shore station end, a main control box on the shore station end receives an emergency cut-off signal, a valve on a transfusion tube is automatically or manually closed, and liquid cargo transportation is stopped;
II. An ESD signal generated at a shore station end is transmitted to a ship;
(1) When the ship is on shore, the 5 pinhole plugs at the two ends of the portable electric reel cable are respectively inserted into watertight explosion-proof junction boxes at the ship end and the shore station end; docking the emergency cutting device of the liquid cargo system at the ship end and the shore station end;
(2) When the liquid cargo tank at the shore station end is at a high liquid level, a buzzer on a panel of the control box is triggered by high-level alarm, and an on-site worker presses an emergency manual cut-off button of a panel of the main control box at the shore station end to start an ESD emergency stop signal; stopping the operation of the liquid cargo delivery pump at the shore station end, and closing the valve;
(3) The ESD signal generated at the shore end is transmitted to a main control box on the ship, the main control box on the ship outputs an emergency cut-off signal, and all cargo delivery pumps at the ship end are stopped;
(4) And outputting an ESD alarm signal to activate the sounding watertight explosion-proof audible and visual alarm.
Further supplementing the technical scheme, the automatic starting ESD emergency cut-off signal comprises the following working steps:
I. ESD generated at the ship end;
(1) The ship end starts an ESD emergency cut-off signal through equipment for sensing fire to start the ESD;
(2) Stopping all cargo delivery pumps at the ship end;
(3) Outputting an ESD alarm signal to activate a sounding audible and visual alarm;
(4) An ESD signal generated by the ship is sent to a shore station end, and a main control box on the shore station end is connected with an emergency cut-off signal; automatically or manually closing a valve on the infusion tube to stop liquid cargo conveying;
II. An ESD signal generated at a shore station end is transmitted to a ship end;
(1) When the liquid cargo tank at the shore station end is at a high liquid level, a buzzer on a panel of the control box is triggered by high-level alarm, and an ESD emergency stop signal is started; automatically stopping the operation of a liquid cargo delivery pump at the shore station end, and closing a valve;
(2) The ESD signal generated by the shore station end is transmitted to a main control box on the ship end, and the main control box on the ship end outputs an automatic emergency cut-off signal to stop all cargo delivery pumps on the ship end;
(3) And outputting an ESD alarm signal to activate the sounding audible and visual alarm.
The emergency cutting device has the advantages that the emergency cutting device can quickly and effectively cut off a dangerous source, realize a remote control function and an audible and visual alarm function, prevent safety accidents, and effectively ensure the lives of workers at the ship end and the shore station end and the safety of related equipment at the ship end and the shore station end;
the invention is suitable for the operation process of the liquid cargo transport ship at the wharf; when ESD occurs, all cargo conveying pumps can be stopped in time, and an ESD signal generated by a ship is sent to a shore station end;
when the liquid cargo tank at the shore station end is at a high liquid level, the liquid cargo conveying pump at the ship end can be stopped in time, and an ESD signal generated at the shore station end can be sent to the ship end.
Detailed Description
Because the current ship can not carry out emergency braking on the liquefaction system under emergency when carrying out liquid cargo with the wharf at the terminal of the shore, certain defects exist in safety, the emergency cutting device of the liquid cargo system is designed on the basis of the defects of the prior art, the emergency cutting device can carry out braking under emergency, the safety is high, and people can conveniently use the emergency cutting device.
In order to make the technical solution more clear to the person skilled in the art, the following details of the technical solution of the present invention are described:
the emergency cutting device of the liquid cargo system comprises a ship end and a shore station end, wherein a main control box on the ship end and the shore station end comprises an AMS comprehensive monitoring alarm system, a fog whistle and whistle system, a watertight explosion-proof audible and visual alarm, a 5-pinhole watertight explosion-proof junction box, equipment for sensing fire to start ESD and a pressure detection plate, when the ship is on the shore, the ship end and the shore station end are respectively inserted into the 5-pinhole watertight explosion-proof junction boxes of the ship end and the shore station end through 5-pinhole plugs at the two ends of a portable electric reel cable, so that the ship end and the shore station end liquid cargo system are connected and controlled; the main control box further comprises a PLC, a man-machine interface touch screen, a UPS and an electric element, wherein the UPS and the electric element can continuously supply power for 90 minutes, and the electric element is used for realizing the operation of the device and comprises a wiring row, a relay and a contactor; the sensing temperature value of the equipment for sensing the fire start ESD is 98-104 ℃.
For convenient control and detection of the state, an ESD normal state indicator lamp, a ship ESD fault alarm indicator lamp, a shore station end ESD fault alarm indicator lamp, a system fault alarm indicator lamp, a reset button with an indicator lamp, a buzzer, a test button, an alarm, an emergency manual cut-off button and an electric port and starboard selection switch are arranged on the panel of the main control box.
IN operation, the main control box signal contacts IN/OUT as follows:
IN (1), manual cut-off button; (2) a device that senses fire initiated ESD; (3), 5 pinhole watertight explosion-proof junction box; (4) a pressure detection plate;
OUT (1), an AMS comprehensive monitoring alarm system; (2), a fog whistle and a whistle system; (3) a watertight explosion-proof audible and visual alarm.
The technical scheme can realize manual automatic and automatic starting emergency cutting-off, is convenient to use and high in safety, and in detail, the emergency cutting-off device comprises a manual starting ESD emergency cutting-off signal and an automatic starting ESD emergency cutting-off signal;
wherein, the manual start ESD emergency cut-off signal comprises the following working steps:
I. ESD generated at the ship end;
(1) When the ship is on shore, the 5 pinhole plugs at the two ends of the portable electric reel cable are respectively inserted into watertight explosion-proof junction boxes on the ship and the shore station, so that the emergency cutting device of the liquid cargo system at the ship end and the shore station end is in butt joint;
(2) When ESD occurs during loading of the liquid cargo on the ship, an emergency manual cut-off button is pressed, and an ESD emergency stop signal is started;
(3) Stopping all cargo delivery pumps at the ship end;
(4) Outputting an ESD alarm signal to activate a sounding watertight explosion-proof audible and visual alarm;
(5) An ESD signal generated by the ship is sent to a shore station end, a main control box on the shore station end receives an emergency cut-off signal, a valve on a transfusion tube is automatically or manually closed, and liquid cargo transportation is stopped;
II. An ESD signal generated at a shore station end is transmitted to a ship;
(1) When the ship is on shore, the 5 pinhole plugs at the two ends of the portable electric reel cable are respectively inserted into watertight explosion-proof junction boxes at the ship end and the shore station end; docking the emergency cutting device of the liquid cargo system at the ship end and the shore station end;
(2) When the liquid cargo tank at the shore station end is at a high liquid level, a buzzer on a panel of the control box is triggered by high-level alarm, and an on-site worker presses an emergency manual cut-off button of a panel of the main control box at the shore station end to start an ESD emergency stop signal; stopping the operation of the liquid cargo delivery pump at the shore station end, and closing the valve;
(3) The ESD signal generated at the shore end is transmitted to a main control box on the ship, the main control box on the ship outputs an emergency cut-off signal, and all cargo delivery pumps at the ship end are stopped;
(4) And outputting an ESD alarm signal to activate the sounding watertight explosion-proof audible and visual alarm.
In detail, the automatic start ESD emergency shutdown signal comprises the following working steps:
I. ESD generated at the ship end;
(1) The ship end starts an ESD emergency cut-off signal through equipment for sensing fire to start the ESD;
(2) Stopping all cargo delivery pumps at the ship end;
(3) Outputting an ESD alarm signal to activate a sounding audible and visual alarm;
(4) An ESD signal generated by the ship is sent to a shore station end, and a main control box on the shore station end is connected with an emergency cut-off signal; automatically or manually closing a valve on the infusion tube to stop liquid cargo conveying;
II. An ESD signal generated at a shore station end is transmitted to a ship end;
(1) When the liquid cargo tank at the shore station end is at a high liquid level, a buzzer on a panel of the control box is triggered by high-level alarm, and an ESD emergency stop signal is started; automatically stopping the operation of a liquid cargo delivery pump at the shore station end, and closing a valve;
(2) The ESD signal generated by the shore station end is transmitted to a main control box on the ship end, and the main control box on the ship end outputs an automatic emergency cut-off signal to stop all cargo delivery pumps on the ship end;
(3) And outputting an ESD alarm signal to activate the sounding audible and visual alarm.
The above technical solution only represents the preferred technical solution of the present invention, and some changes that may be made by those skilled in the art to some parts of the technical solution represent the principles of the present invention, and the technical solution falls within the scope of the present invention.
Claims (6)
1. The emergency cutting device of the liquid cargo system is characterized by comprising a ship end and a shore station end, wherein a main control box on the ship end and the shore station end comprises an AMS comprehensive monitoring alarm system, a fog whistle and whistle system, a watertight explosion-proof audible and visual alarm, a 5-pinhole watertight explosion-proof junction box, equipment for sensing fire to start ESD and a pressure detection plate, when the ship is on the shore, the ship end and the shore station end are respectively inserted into the 5-pinhole watertight explosion-proof junction boxes on the ship end and the shore station end through 5-pinhole plugs on the two ends of a portable electric reel cable, so that the ship end and the shore station end liquid cargo system are connected and controlled;
the emergency cut-off device comprises a manual starting ESD emergency cut-off signal and an automatic starting ESD emergency cut-off signal;
the manual start ESD emergency cut-off signal comprises the following working steps:
I. ESD generated at the ship end;
(1) When the ship is on shore, the 5 pinhole plugs at the two ends of the portable electric reel cable are respectively inserted into watertight explosion-proof junction boxes on the ship and the shore station, so that the emergency cutting device of the liquid cargo system at the ship end and the shore station end is in butt joint;
(2) When ESD occurs during loading of the liquid cargo on the ship, an emergency manual cut-off button is pressed, and an ESD emergency stop signal is started;
(3) Stopping all cargo delivery pumps at the ship end;
(4) Outputting an ESD alarm signal to activate a sounding watertight explosion-proof audible and visual alarm;
(5) An ESD signal generated by the ship is sent to a shore station end, a main control box on the shore station end receives an emergency cut-off signal, a valve on a transfusion tube is automatically or manually closed, and liquid cargo transportation is stopped;
II. An ESD signal generated at a shore station end is transmitted to a ship;
(1) When the ship is on shore, the 5 pinhole plugs at the two ends of the portable electric reel cable are respectively inserted into watertight explosion-proof junction boxes at the ship end and the shore station end; docking the emergency cutting device of the liquid cargo system at the ship end and the shore station end;
(2) When the liquid cargo tank at the shore station end is at a high liquid level, a buzzer on a panel of the control box is triggered by high-level alarm, and an on-site worker presses an emergency manual cut-off button of a panel of the main control box at the shore station end to start an ESD emergency stop signal; stopping the operation of the liquid cargo delivery pump at the shore station end, and closing the valve;
(3) The ESD signal generated at the shore end is transmitted to a main control box on the ship, the main control box on the ship outputs an emergency cut-off signal, and all cargo delivery pumps at the ship end are stopped;
(4) And outputting an ESD alarm signal to activate the sounding watertight explosion-proof audible and visual alarm.
2. The emergency cutoff device of a liquid cargo system according to claim 1, wherein the main control box further comprises a PLC, a man-machine interface touch screen, a ups+batteriy sustainable power supply for 90 minutes UPS, and electrical components.
3. The emergency cutoff device for a liquid cargo system according to claim 2, wherein the main control box panel is provided with an ESD normal state indicator lamp, a ship ESD fault alarm indicator lamp, a shore side ESD fault alarm indicator lamp, a system fault alarm indicator lamp, a reset button with indicator lamp, a buzzer, a test button, an alarm, an emergency manual cutoff button, and an electric port/starboard selection switch.
4. A liquid cargo system emergency shut-off device according to claim 3, wherein the master control box signal connection I N/OUT is as follows:
i N (1), manual cut-off button; (2) a device that senses fire initiated ESD; (3), 5 pinhole watertight explosion-proof junction box; (4) a pressure detection plate;
OUT (1), an AMS comprehensive monitoring alarm system; (2), a fog whistle and a whistle system; (3) a watertight explosion-proof audible and visual alarm.
5. An emergency shutdown device for a liquid cargo system according to claim 1 wherein the device sensing fire activated ESD senses a temperature of 98 ℃ to 104 ℃.
6. The emergency shutdown device of a cargo-liquid system of claim 1, wherein the automatically activated ESD emergency shutdown signal comprises the following operative steps:
I. ESD generated at the ship end;
(1) The ship end starts an ESD emergency cut-off signal through equipment for sensing fire to start the ESD;
(2) Stopping all cargo delivery pumps at the ship end;
(3) Outputting an ESD alarm signal to activate a sounding audible and visual alarm;
(4) An ESD signal generated by the ship is sent to a shore station end, and a main control box on the shore station end is connected with an emergency cut-off signal; automatically or manually closing a valve on the infusion tube to stop liquid cargo conveying;
II. An ESD signal generated at a shore station end is transmitted to a ship end;
(1) When the liquid cargo tank at the shore station end is at a high liquid level, a buzzer on a panel of the control box is triggered by high-level alarm, and an ESD emergency stop signal is started; automatically stopping the operation of a liquid cargo delivery pump at the shore station end, and closing a valve;
(2) The ESD signal generated by the shore station end is transmitted to a main control box on the ship end, and the main control box on the ship end outputs an automatic emergency cut-off signal to stop all cargo delivery pumps on the ship end;
(3) And outputting an ESD alarm signal to activate the sounding audible and visual alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111351528.XA CN113911269B (en) | 2021-11-16 | 2021-11-16 | Emergency cutting device of liquid cargo system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111351528.XA CN113911269B (en) | 2021-11-16 | 2021-11-16 | Emergency cutting device of liquid cargo system |
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| Publication Number | Publication Date |
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| CN113911269A CN113911269A (en) | 2022-01-11 |
| CN113911269B true CN113911269B (en) | 2024-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111351528.XA Active CN113911269B (en) | 2021-11-16 | 2021-11-16 | Emergency cutting device of liquid cargo system |
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| CN106628011A (en) * | 2017-01-23 | 2017-05-10 | 江苏金门能源装备有限公司 | Safety device for interface of ship and shore on wharf |
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| CN212195811U (en) * | 2020-04-29 | 2020-12-22 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | Emergency cut-off device, emergency cut-off system and ship |
| CN212243718U (en) * | 2020-03-26 | 2020-12-29 | 兴通海运股份有限公司 | Ship shore emergency cut-off system for wharf cargo transmission |
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|---|---|---|---|---|
| GB2554077B (en) * | 2016-09-15 | 2021-05-19 | Equinor Energy As | Handling of hydrocarbons on an offshore platform |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102314173A (en) * | 2011-06-10 | 2012-01-11 | 武汉富高流体控制系统工程有限公司 | Liquid cargo control system of liquefied gas carrier |
| CN104197183A (en) * | 2014-01-27 | 2014-12-10 | 江苏海企港华燃气发展有限公司 | Natural gas charging station process flow on water and charging device |
| CN205941681U (en) * | 2016-08-15 | 2017-02-08 | 中国石油天然气股份有限公司 | Direct-current voltage detection system for ESD in gas transmission station field |
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| CN111422309A (en) * | 2020-04-29 | 2020-07-17 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | Emergency cut-off device, emergency cut-off system and ship |
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| Publication number | Publication date |
|---|---|
| CN113911269A (en) | 2022-01-11 |
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