CN116777304B - Ship emergency refute rescue management system and method - Google Patents
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Abstract
The invention relates to a ship emergency refuting rescue management system and a ship emergency refuting rescue management method, which belong to the technical field of ship rescue and comprise a ship risk state evaluation module, a ship database module, a ship mooring force pre-measurement module, an offshore refuting environment analysis module, a ship compatibility matching analysis module and a terminal information processing center.
Description
Technical Field
The invention belongs to the technical field of ship rescue, and particularly relates to a ship emergency refute rescue management system and method.
Background
At present, along with the development of economy in China, the demand of clean energy import of LNG is also increasing year by year.
The single-ship cargo capacity of the LNG carrier is large, the large LNG carrier has a large bilge of 14-26 ten thousand cubic meters, the carried LNG cargo belongs to-160 DEG ultra-low temperature liquid 2.1 dangerous goods, and the volume of the LNG carrier after LNG gasification is 600 times of the volume of the same amount of liquid natural gas.
Therefore, if the LNG carrier collides offshore, the stranded or ship equipment fails and other accidents happen, the 160 DEG ultra-low temperature cargo cannot be stored in the LNG carrier for a long time, the cargo needs to be removed, but according to the dangerous goods characteristics, the LNG carrier with the accident or failure according to the legal requirements cannot enter a port for unloading, so that the cargo can only be treated in an emergency as soon as possible, and the cargo is refuted on the rescue LNG carrier offshore. If rescue is not timely, not only cargo and ships are lost, but also huge hidden trouble is brought to the environmental safety of surrounding sea areas.
Because the dangerous goods LNG transport ship is complex in refuting rescue process, a plurality of rescue factors are influenced, including rescue ship selection, state judgment of a to-be-rescued ship, ship mooring scheme, environmental impact analysis of surrounding sea conditions and the like, the preparation time of general rescue work is long, or rescue is blocked or secondary safety accidents occur due to insufficient preparation.
At present, no related auxiliary system exists in the process of carrying out the refuting rescue operation of a ship to be rescued in an emergency state, various information comprehensive simulation cannot be carried out aiming at environmental changes such as specific water areas, specific rescue ships, marine meteorological information and the like, if accidents occur on liquefied dangerous ships, organization of refuting rescue forces is carried out, the establishment of a rescue operation plan is often complicated due to various influencing factors, and rescue plans cannot be quickly established and rescue resources cannot be scientifically and quickly arranged.
Therefore, in an emergency state that the LNG carrier encounters the accident or the fault, a set of rapid and effective LNG carrier rescue system and method must be formulated to efficiently and orderly handle the response and guide the expansion of LNG emergency refute rescue work.
In addition, for ships carrying other kinds of liquid dangerous goods and materials, in emergency state after accident and fault condition, in order to ensure the sea area environmental safety and the ship safety, the emergency refutation rescue management of the ships is required.
Disclosure of Invention
The invention aims to solve the problem of providing a ship emergency refute rescue management system and method, which are applied to emergency refute rescue management of liquefied dangerous ships, in particular LNG ships.
In order to solve the technical problems, the invention adopts the following technical scheme: the ship emergency refute rescue management system comprises a ship risk state evaluation module, a ship database module, a ship mooring force prediction module, an offshore refute environment analysis module, a ship compatibility matching analysis module and a terminal information processing center, wherein the information of the modules is related to each other;
the ship risk state evaluation module evaluates the comprehensive risk degree of the state of the ship to be assisted (accident ship) through a comprehensive risk degree evaluation method;
the ship database module is used for collecting ship information in the rescue area, establishing a ship database and primarily screening rescue ships;
the ship compatibility matching analysis module is used for further analyzing ship compatibility of the primarily selected rescue ship and the ship to be rescued, and finally selecting the rescue ship to acquire rescue ship and rescue tool parameters;
the marine refuting environment analysis module is used for collecting and analyzing the environmental conditions of the accident water area and selecting refuting rescue sites;
the ship berthing force pre-measuring module is used for calculating the berthing force of the ship alongside and recommending a ship berthing scheme, so that the two ships are ensured to be kept relatively stable in rescue and passing operation;
the terminal information processing center is used for comprehensively collecting information of all the modules, establishing a ship cargo refuting emergency rescue digital 3D simulation scene, carrying out deduction, cooperating with each operation unit and providing basis for emergency refuting operation.
A ship emergency refute rescue management method comprises the following steps:
s1, ship risk state assessment: the ship risk state evaluation module performs preliminary judgment and analysis on state information and fault reasons of the ship to be assisted by a comprehensive risk degree evaluation method, and performs comprehensive risk degree evaluation; then, collecting state information of the to-be-supported ship, grading by comparing with a comprehensive risk degree evaluation method, combining the state information of a cargo tank of the to-be-supported ship, transmitting to a ship mooring force prediction module and a ship compatibility matching analysis module, and preparing mooring arrangement and rescue resources for emergency over-connection; the comprehensive risk degree assessment result is transmitted to a terminal information processing center, information sharing is achieved through the terminal information processing center and a rescue unit, rescue force is guided and arranged, and implementation scheme of refuting rescue is guided;
s2, ship data collection: collecting available ship information in a rescue area through a ship database module, establishing a ship database, and primarily screening available rescue ships according to data of the ship database;
s3, ship compatibility matching analysis: the ship compatibility matching analysis module is used for carrying out compatibility analysis on the available rescue ship information selected by the ship database module and the matching of the available rescue ship information and the to-be-rescued ship, and analyzing the matching of specific parameters of the two ships;
s4, analyzing the offshore refuting environment: collecting and analyzing the environmental conditions of the incident water area through an offshore refuting environmental analysis module, selecting refuting rescue sites, and transmitting analysis results to a terminal information processing center and a ship mooring force prediction calculation module;
s5, ship mooring force prediction calculation: the ship berthing force prediction module performs ship berthing force prediction by receiving the following information: the method comprises the steps of (1) analyzing results by an offshore refuting environment analysis module; (2) analyzing results by a ship compatibility matching analysis module; (3) The ship risk state assessment module analyzes the results, and the ship mooring force prediction module transmits the information analysis results to the terminal information processing center to guide mooring operation and rescue tug assisting operation;
s6, terminal information processing: under the conditions of a specific screened water area, a specific rescue ship and a mooring scheme, the terminal information processing center simulates the ship cargo refuting rescue operation through the analysis result of the ship mooring force prediction module, and deduces according to the factors such as marine meteorological information.
Further, in step S1, the comprehensive risk level assessment method includes the steps of: the critical system or component accidents of the ship to be rescued are qualitatively classified according to first-to-fourth grades, wherein the first grade is the most serious, the comprehensive risk degree evaluation is comprehensively evaluated according to the risk grades from high to low, and the comprehensive risk evaluation value of the ship to be rescued is established.
Further, the comprehensive risk degree evaluation is carried out according to the comprehensive risk level evaluation from high to low of H1-H2-M1-M2-L1-L2, and a comprehensive risk evaluation value of the ship to be backed up is established.
Further, in step S2, the ship information includes the recent arrival route information of the ship, the cargo status of the ship, the information of the affiliated management company/shipyard, the ship status and age, the cargo hold, the arrival cargo frequency, the ship scale parameter, the ship total layout map, and the like, and classifies and generalizes the information for easy retrieval.
Further, in step S2, the method of primarily screening the available rescue boat is a priority weighting method, and the specific content of the priority weighting method is: (1) Taking the cabin type of the cargo hold, the distance from the cabin to the ship to be supported and the cabin capacity as the weight factors of the top priority; (2) The scale parameter matching performance of the ship, the ship in-flight cargo state (empty/full load), the recent arrival cargo information and the frequency are taken as sub-priority weight factors; (3) And taking the information of the management company/the shipper, the ship state and the ship age as a third weight factor, and taking a ship total layout diagram as a reference factor.
The available rescue vessels are primarily screened out through the weight values based on the vessel database, namely the more suitable alternative rescue vessels, and parameter information of the alternative rescue vessels is mastered, so that a foundation is provided for rapid expansion of subsequent work under emergency conditions.
Further, in step S3, the ship compatibility factor includes information such as a main scale, a bilge, a cabin, a topside, a manifold position, a mooring point, a ship communication connection device, a fender and hose crane device, a ship total layout diagram, etc., so as to finally screen and determine a suitable rescue ship, thereby ensuring safety of the emergency rescue passing operation.
Further, in step S3, the ship-ship compatibility matching analysis module may determine a model, specification and number list of the ship-to-refute rescue professional tool according to the ship compatibility analysis result, and instruct the rescue force to prepare the emergency-to-refute special tool.
The invention has the following specific effects:
the invention solves the problems of rapidness and order of emergency rescue work after the liquefaction dangerous cargo ship, particularly LNG ship faults or accidents, and provides basis for the rescue preparation of transport ships by analyzing and judging various rescue information factors, including evaluating the condition information of the ship to be rescue, analyzing the marine environment condition information of the accident area, screening rescue ships through a ship database, analyzing the ship-to-ship docking compatibility and measuring and calculating the ship docking safety so as to assist the cooperation of the docking rescue force and facilitate the deployment convenience of the ship emergency docking rescue work.
Aiming at complex ship emergency rescue work, the invention ensures the ordering and safety of the emergency rescue of the marine ship, shortens the rescue preparation time, and systematically and orderly solves the problems of accident ship risk assessment, rescue ship selection, refutation ship matching, mooring scheme, operation environment selection and the like in the ship emergency rescue work.
Therefore, the invention reduces the risk of dangerous goods emergency rescue operation, reduces and shortens the preparation time of the refuting rescue operation, provides convenience for the development of the refuting rescue operation, and fills the blank of rescue safety management of liquefied dangerous goods vessels, particularly LNG transport vessels.
Drawings
The advantages and the manner of carrying out the invention will become more apparent from the following detailed description, taken in conjunction with the accompanying drawings, in which the content shown is meant to illustrate, but not to limit, the invention in any sense, and wherein:
fig. 1 is a block diagram showing the constitution of the emergency refute rescue management system for a ship according to the present embodiment.
Fig. 2 is a logic diagram of a ship emergency refute rescue management method according to the embodiment.
Detailed Description
As shown in fig. 1 and 2, the present embodiment is applied to an LNG ship.
The embodiment relates to a ship emergency refuting rescue management system, which comprises: the system comprises a ship risk state evaluation module, an LNG ship database module, a ship mooring force pre-measurement module, an offshore refuting environment analysis module, a ship compatibility matching analysis module and a terminal information processing center, wherein the information of the modules is related to each other;
the ship risk state evaluation module evaluates the comprehensive risk degree of the state of the to-be-assisted ship through a risk rating qualitative method;
the LNG ship database module is used for collecting information of LNG ships available in round trip peripheral ports in a rescue area, summarizing and establishing an LNG ship database according to a classification management method, and comparing the LNG ships with the initially screened LNG rescue ships by a weight priority method;
the ship compatibility matching analysis module is used for further analyzing the ship compatibility of the initially selected LNG rescue ship and the to-be-rescued ship based on the analysis results of the ship risk state assessment module and the LNG ship database module, and finally selecting the LNG rescue ship and acquiring parameters of the LNG rescue ship and the rescue tool;
the marine refuting environment analysis module is used for collecting and analyzing the environmental conditions of the accident water area and selecting refuting rescue sites;
the ship berthing force prediction calculation module is used for calculating the berthing force of the ship and recommending a ship berthing scheme based on analysis results of the ship risk state assessment module, the LNG ship database module, the ship compatibility matching analysis module and the marine berthing environment analysis module, and ensures that the two ships are kept relatively stable in rescue berthing operation;
the terminal information processing center is used for comprehensively collecting information of all the modules, establishing a ship cargo refuting emergency rescue digital 3D simulation scene, carrying out deduction, cooperating with each operation unit and providing basis for LNG emergency refuting operation.
A ship emergency refute rescue management method comprises the following steps:
s1, ship risk state assessment: the ship risk state assessment module collects state information of the ship to be supported through a comprehensive risk degree assessment method, namely, marine communication means, primarily judges failure reasons (such as collision, equipment failure, stranding and the like) of the ship to be supported, analyzes the state of a specific cargo hold (LNG cargo containment system), the ship power state (comprising a main propulsion and electric power system), the ship body state, a deck, main mechanical equipment and the like, and performs comprehensive risk degree assessment.
The comprehensive risk degree assessment method comprises the following steps: first, the critical system or component accidents of the LNG standby ship are qualitatively classified according to the first-fourth grade classification, and the first grade is the most serious. The key system or the components of the LNG standby ship comprise an LNG warehouse containment system, an LNG cargo containment auxiliary system, a main propulsion system, an electric power system, a ship body, deck equipment and other equipment, and the like, wherein the LNG warehouse containment system, the LNG cargo containment auxiliary system, the main propulsion system, the electric power system, the ship body, the deck equipment and the like are five parts. Comprehensive risk level assessment is carried out according to comprehensive assessment of high-to-low risk levels of H1-H2-M1-M2-L1-L2, and a comprehensive risk level assessment value of the ship to be backed up is established, wherein the comprehensive risk level assessment value is specifically described in the following table:
TABLE 1 comprehensive risk level assessment of a standby vessel
And the ship risk state assessment module is used for grading the collected LNG standby ship state information by comparing with the comprehensive risk degree assessment method, and transmitting the LNG cargo hold pressure, temperature and liquid level auxiliary information to the ship mooring force prediction module and the ship compatibility matching analysis module to prepare mooring arrangement and rescue resources for emergency refuting. The comprehensive risk degree evaluation result is transmitted to a terminal information processing center, information sharing is achieved between the terminal information processing center and a rescue unit, rescue force is guided to be arranged, and implementation of refuting rescue is guided.
If the comprehensive risk degree evaluation grade of the to-be-rescued ship reaches the grade of H2 and above, the method is guided and implemented according to the highest-grade rescue operation scheme, and the rescue operation process is guided and carried out according to high-grade navigation, warning and tracking, multi-ship navigation and abstaining.
S2, LNG ship data collection: the LNG ship database module is used for collecting information of available LNG ships in surrounding ports to and fro in a rescue area, wherein the information comprises main information such as the recent arrival voyage information of the LNG ship, the voyage state of the LNG ship, the information of the management company/the shipyard, the ship state and the ship age, the cabin capacity of the LNG cargo cabin, the arrival voyage frequency, the ship scale parameters, the ship total arrangement diagram and the like, and the information is classified and generalized, so that the information is convenient to search and the LNG ship database is built.
And the LNG ship database module acquires the position information of all available LNG ships in a certain range in the area where the ship to be supported is located through an AIS (automatic identification system) system, and calculates the distance between the LNG ships and the ship to be supported.
And (3) comparing the data of the LNG ship database, and primarily screening the available LNG rescue ships by the LNG ship database module according to a priority weighing method, wherein the priority weighing method comprises the following specific contents: (1) Taking the cabin type, the distance from the cabin to the spare ship and the cabin capacity of the LNG cargo hold as the weight factors of the top priority; (2) The scale parameter matching performance of the ship, the cargo state (empty/full load) of the LNG ship in the aviation, the recent arrival cargo information and the frequency are taken as the sub-priority weight factors; (3) And taking the information of the management company/the shipper, the ship state and the ship age as a third weight factor, and taking a ship total layout diagram as a reference factor.
Based on the LNG ship database, the available LNG rescue ship is primarily screened out through the weight value, namely the more suitable alternative LNG rescue ship is obtained, parameter information of the alternative LNG rescue ship is mastered, and a foundation is made for rapid expansion of subsequent work under emergency conditions.
S3, ship compatibility matching analysis: the ship compatibility matching analysis module performs compatibility analysis on the information of the alternative LNG rescue ship selected by the LNG ship database module and the matching of the information and the LNG standby ship, and analyzes the matching of specific parameters of the two ships, wherein the ship compatibility matching factors comprise: information such as main scale, hold, cabin, topside, manifold position, mooring point, ship communication connection equipment, fender and LNG hose ship lifting equipment, ship general layout diagram to finally screen and confirm suitable LNG rescue ship, in order to ensure emergency rescue and cross the operation safety of refuting, the matching logic includes: the bilge is similar or the bilge of the rescue ship is not less than 1/3 of that of the ship to be rescued; the line type and manifold positions are matched in the aspect of ship scale; the freeboard difference of the two vessels should be not more than 10m; the front-back gap of manifold positions should not be larger than 5m; cabin type is similar or the same; the vertical angle of the mooring lines in the mooring scheme is less than 25 deg..
Meanwhile, the ship-ship compatibility matching analysis module can determine model numbers, specifications and quantity lists of LNG ship-ship passing rescue professional tools such as LNG bridging hoses, LNG hose saddles, fender and the like according to the LNG ship compatibility analysis result. And guiding rescue force to prepare the LNG emergency passing special tool. The fender equipment calculates and determines according to the tonnage of the two ships and the effective impact capacity of the ship normal ship berthing speed, the effective impact energy coefficient of the stormy waves in extreme weather is 0.8, and the lowest fender configuration quantity and characteristics of the tonnage combination of the two ships are calculated. The length of the two ship passing hose is 2 times of the maximum height difference of the two ship manifold interfaces according to the length of the hose, and the distance from the manifold interfaces to the ship sides is added.
S4, analyzing the offshore refuting environment: and collecting and analyzing the environmental conditions of the accident water area through an offshore refuting environmental analysis module, and selecting refuting rescue sites.
The water area environment conditions comprise marine hydrologic environment factors, offshore meteorological environment factors and navigation traffic environment factors, wherein the marine hydrologic environment factors comprise geographic information such as ocean currents, tides, tide, water depths, underwater topography and the like; the marine meteorological environment comprises marine meteorological information such as marine wind power, wave, visibility, precipitation, air temperature and the like; the navigation traffic environment factors comprise information such as surrounding water area line ship density, channel conditions, dangerous goods anchoring conditions, other operation ships or maritime things information, maritime navigation facilities, maritime communication conditions and the like.
The marine hydrologic environment factor and navigation traffic environment factor information are respectively obtained through an electronic chart and an AIS (automatic ship identification system), and the marine meteorological environment factor is obtained through marine weather forecast information.
The marine cross-connection environment analysis module is used for respectively evaluating and comprehensively judging each information affecting the rescue task, screening the most suitable cross-connection rescue sites in the sea area through a weight calculation method, and transmitting analysis results of the marine cross-connection environment analysis module to the terminal information processing center and the ship mooring force prediction calculation module.
S5, ship mooring force prediction calculation: the ship berthing force prediction module performs ship berthing force prediction by receiving the following information: (1) The analysis result of the marine refuting environment analysis module comprises screened refuting rescue sites and environment information thereof, in particular information such as marine stormy waves, hydrogeology and the like; (2) The ship compatibility matching analysis module analyzes results, including ship load, ship board height difference, ship type linearity and other information; (3) And the ship risk state evaluation module analyzes the results, including comprehensive risk degree evaluation result information.
The ship mooring force pre-calculation module calculates and screens information such as stormy waves and currents of a refuting place to influence the intensity of longitudinal and transverse movements, heaving, rolling, pitching and rotary motion amounts generated in the refuting operation of the ship, refers to the limit value of the allowable motion amount of the liquefied natural gas ship, applies ship mooring optimal software to calculate the cable breaking strength (the safety coefficient of a mooring rope is about 8) required by the safety operation of the rescue ship on the ship to be rescued, and the characteristic requirement on the ship mooring rope, selects the model and the quantity of the ship side mooring ropes through a damage force reference table of the mooring rope, and calculates and obtains a specific ship mooring rope arrangement plan.
When the evaluation result of the ship risk state evaluation module affects the mooring force, the safety coefficient of the mooring cable is adjusted, and the ship mooring scheme is adjusted.
And transmitting the information analysis result of the ship mooring force prediction module to a terminal information processing center to guide mooring operation and rescue tug assisting operation.
S6, terminal information processing: under the conditions of the specific screened water area, the specific screened rescue ship and the mooring scheme, the terminal information processing center simulates the ship cargo refuting rescue operation by analyzing the result through the ship mooring force prediction module, and deduces according to the factors such as the marine meteorological information. The terminal information processing center is used for simulating a deduction result to guide and formulate an implementation scheme of the refuting rescue, and is used for preparing in cooperation with emergency rescue force and operation resources, including LNG emergency rescue refuting ships, LNG ship emergency rescue refuting tools and materials, rescue tugs and the like Guan Gong, so that ship refuting rescue work can be rapidly carried out.
The foregoing describes the embodiments of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by this patent.
Claims (1)
1. A ship emergency refute rescue management method is characterized in that: comprises a management system, wherein the management system comprises a ship risk state evaluation module, a ship database module, a ship mooring force prediction module, an offshore refuting environment analysis module, a ship compatibility matching analysis module and a terminal information processing center,
the ship risk state evaluation module evaluates the comprehensive risk degree of the state of the ship to be assisted by a comprehensive risk degree evaluation method;
the ship database module is used for collecting ship information in the rescue area, establishing a ship database and primarily screening rescue ships;
the ship compatibility matching analysis module is used for analyzing ship compatibility of the primarily selected rescue ship and the ship to be rescued, and finally selecting the rescue ship to obtain rescue ship and rescue tool parameters;
the marine refuting environment analysis module is used for collecting and analyzing the environmental conditions of the accident water area and selecting refuting rescue sites;
the ship berthing force pre-measuring module is used for calculating the berthing force beside the ship and recommending a ship berthing scheme;
the terminal information processing center is used for comprehensively collecting information of the ship risk state assessment module, the ship database module, the ship mooring force prediction module, the marine refuting environment analysis module and the ship compatibility matching analysis module, establishing a ship cargo refuting emergency rescue simulation scene and carrying out deduction;
the management method comprises the following steps:
s1, ship risk state assessment: the ship risk state evaluation module performs preliminary judgment and analysis on state information and fault reasons of the ship to be assisted by a comprehensive risk degree evaluation method, and performs comprehensive risk degree evaluation; then, the collected state information of the to-be-supported ship is ranked by comparing with a comprehensive risk degree evaluation method, and the state information of the cargo tanks of the to-be-supported ship is combined and transmitted to a ship mooring force prediction module and a ship compatibility matching analysis module; the comprehensive risk degree evaluation result is transmitted to a terminal information processing center;
s2, ship data collection: collecting available ship information in a rescue area through a ship database module, establishing a ship database, and primarily screening available rescue ships according to data of the ship database;
s3, ship compatibility matching analysis: the ship compatibility matching analysis module is used for carrying out compatibility analysis on the available rescue ship information selected by the ship database module and the matching of the available rescue ship information and the to-be-rescued ship, and analyzing the matching of specific parameters of the two ships;
s4, analyzing the offshore refuting environment: collecting and analyzing the environmental conditions of the incident water area through an offshore refuting environmental analysis module, selecting refuting rescue sites, and transmitting analysis results to a terminal information processing center and a ship mooring force prediction calculation module;
s5, ship mooring force prediction calculation: the ship berthing force prediction module performs ship berthing force prediction by receiving the following information: the marine docking environment analysis module analysis result, the ship-ship compatibility matching analysis module analysis result and the ship risk state evaluation module analysis result are transmitted to the terminal information processing center by the ship-ship docking force prediction calculation analysis result;
s6, terminal information processing: the terminal information processing center uses the screened water area, rescue boat and mooring scheme as conditions, analyzes the result through the boat mooring force prediction module, simulates the boat cargo refuting rescue operation, and carries out deduction;
in step S1, the comprehensive risk degree evaluation method includes the steps of: classifying the ship to be rescued according to the accident classification, comprehensively evaluating the comprehensive risk degree according to the risk level from high to low, and establishing a comprehensive risk evaluation value of the ship to be rescued;
in step S2, the method of primarily screening the available rescue boat is a priority weighting method, and the specific content of the priority weighting method is: (1) Taking the cabin type of the cargo hold, the distance from the cabin to the ship to be supported and the cabin capacity as the weight factors of the top priority; (2) Taking the matching property of the ship scale parameters, the ship on-air cargo state, the recent cargo information and the frequency as sub-priority weight factors; (3) Taking the information of the management company/the shipper, the ship state and the ship age as a third weight factor, and taking a ship total layout diagram as a reference factor;
in step S3, the ship-ship compatibility matching analysis module determines a ship passing rescue tool according to a ship compatibility analysis result;
in step S4, the water area environmental conditions include marine hydrologic environmental factors, marine meteorological environmental factors, and navigation traffic environmental factors.
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