Floating antifreeze device for side liquid tank and use method thereof

Abstract

The present invention relates to the field of ship antifreeze technology, and discloses a floating antifreeze device for a side tank. The device comprises a vent tube base assembly, a float heater body, and a bulkhead fixing device. The vent tube base assembly is mounted on the top of the side tank, the float heater body is detachably connected to the vent tube base assembly, and the bulkhead fixing device is mounted on the sidewall of the side tank. The bulkhead fixing device includes an active cable retraction and extension mechanism connected to the float heater body, and a positioning system is provided on the float heater body. Based on the actual operation of a ship, the present invention focuses the large-scale antifreeze target of the entire tank on the localized antifreeze of the free liquid surface and the vent tube, reducing the number of heating coils deployed, significantly reducing the consumption of the ship's limited heat source, saving the overall operating cost of the ship, and improving the technical level of ship design.

Description

Technical Field

[0001] The present invention relates to the technical field of ship antifreezing, and in particular to a floating antifreezing device for a side liquid tank and a use method thereof. Background Art

[0002] When ships navigate or operate in low-temperature environments, the ballast water on the inner surface of the ballast tanks may freeze, causing the tanks to be unable to withstand the enclosed air pressure generated by the transfer. This could cause the ballast tanks to deform or even burst, damaging the hull structure and affecting the safety of the ship and the lives of those aboard. Ballast tanks are a vital component of a ship's ballast water system and are the most typical side tanks. Therefore, for ships navigating or operating in ice areas, they often face the challenge of protecting themselves from low temperatures. Freezing protection of the side tanks is particularly crucial, as it directly affects the ship's draft adjustment and structural safety.

[0003] Ships' side tanks are extremely large, creating a significant need for a heat source to protect against freezing. Conventional coil heating requires long coils and high steam volumes. Furthermore, prolonged immersion in water places specific demands on the pipe material and fluid medium. Coil layout is challenging and significantly increases costs in order to cover a wide area of ​​the cold-weather protection. Furthermore, boiler size and heat source loads are relatively limited on polar vessels, and side tank freezing protection is the primary user of steam. Optimizing or reducing steam consumption would significantly aid ship design. Furthermore, with the exception of the vent pipe area, the side tanks are relatively enclosed, carrying large quantities of seawater. This makes them inaccessible to operational personnel, and currently, direct observation of the tank conditions is impossible. To study the freezing process and understand the impact of the tank free surface on ship navigation, real-time tank monitoring is necessary to promote the development of intelligent polar equipment. Summary of the Invention

[0004] The technical problem to be solved by the present invention is that the existing ship ballast tanks are prone to ice formation, the de-icing pipelines are inconvenient to arrange, and the situation in the tanks cannot be monitored.

[0005] In order to solve the above technical problems, the technical solution of the present invention is to provide a floating antifreeze device for the side liquid tank, which is controlled by a ship monitoring and control system. The device comprises a vent pipe base device, a float heating device body and a bulkhead fixing device. The vent pipe base device is arranged on the top of the side liquid tank and is used for ventilation in the side liquid tank. The float heating device body is detachably connected to the vent pipe base device. The bulkhead fixing device is arranged on the side wall of the side liquid tank. The bulkhead fixing device comprises an active cable retraction and release mechanism. The active cable retraction and release mechanism is connected to the float heating device body and can drag the float heating device body to move in the side liquid tank to perform heating and de-icing operations. The float heating device body is provided with a positioning system for spatial ranging of the float heating device body and monitoring and collecting data on the liquid level, temperature and ice accumulation degree in the side liquid tank.

[0006] Optionally, the air vent base device includes:

[0007] The vent pipe structure is provided on the top of the side tank and is used for ventilation in the tank;

[0008] a first power supply system, located outside the side tank, comprising a first external power supply module connected to the ship's electrical system, to which a power supply line is connected, the power supply line passing through the air vent structure and connected to the air vent structure and the float heating device body;

[0009] A first cold protection system includes an electric heating mechanism, which is an electric heating circuit and is provided on the outer wall of the ventilation tube structure, for heating and freezing the ventilation tube structure and the surrounding area of ​​the ventilation tube structure;

[0010] The receiving and seating mechanism is sleeved on the air-permeable tube structure and is used for connecting the float heating device body.

[0011] Optionally, the air pipe structure includes a air-permeable main body pipeline and a protective sleeve pipeline, the protective sleeve pipeline is arranged in the side liquid tank, and the upper end of the air-permeable main body pipeline is extended out of the tank top, the air-permeable main body pipeline is connected to the upper end of the protective sleeve pipeline, the diameter of the protective sleeve pipeline is larger than the diameter of the air-permeable main body pipeline, the receiving and seating mechanism is arranged on the part of the protective sleeve pipeline located in the side liquid tank, and a protective sleeve air-permeable structure is provided on the protective sleeve pipeline between the receiving and seating mechanism and the tank top of the side liquid tank, and the protective sleeve air-permeable structure is close to the tank top of the side liquid tank.

[0012] Optionally, the float heating device body is hollowed out and has a two-layer structure of an inner ring and an outer ring, including:

[0013] A docking and fixing mechanism, which is provided on the inner wall of the float heating device body and is matched with the receiving and seating mechanism and is used for detachable connection between the float heating device body and the air pipe base device;

[0014] an energy absorption and utilization mechanism, the energy absorption and utilization mechanism comprising an internal mechanism and a tentacle mechanism, the internal mechanism being located between the inner and outer rings of the float heating device body, the tentacle mechanism being provided in plurality and evenly arranged on the outer wall of the float heating device body, the internal mechanism being connected to the tentacle mechanism, and being used to convert the mechanical energy of the float heating device body and the wave energy of the liquid surface in the side liquid tank into electrical energy;

[0015] Anti-overturning mechanism, used to stabilize the posture of the float heating device body;

[0016] The second power supply system is used to supply power to the float heating device body and store the electrical energy converted by the energy absorption and utilization mechanism;

[0017] A signal transmission system is used to transmit the data collected by the positioning system to the ship monitoring and control system, and to transmit the command signal of the ship monitoring and control system to the float heating device body;

[0018] A second cold protection system includes an electric heating mechanism and a side ice-breaking mechanism. The electric heating mechanism is used to release heat to prevent cold according to the degree of ice accumulation and temperature detected by the positioning system. The side ice-breaking mechanism is distributed on the outer side wall of the outer ring of the float heating device body and is used to remove ice from the side liquid tank. The tentacles can generate heat when energized to provide auxiliary cold protection heating.

[0019] The mobile system includes an autonomous module and a traction module, and is used for autonomous movement, traction movement and passive movement of the float heating device body.

[0020] Optionally, the second power supply system includes a self-powered module, an energy storage and charging module, and a second external power supply module. The self-powered module is connected to the energy storage and charging module, and the energy storage and charging module is connected to the energy absorption and utilization mechanism. The self-powered module is used to provide power for the docking and fixing mechanism, the autonomous module, the positioning system and the second cold protection system. The second external power supply module is connected to the energy storage and charging module, and the second external power supply module is connected to the first external power supply module.

[0021] Optionally, the positioning system includes a sensing mechanism and an intelligent data processing module. The sensing mechanism is used for spatial distance measurement and collects liquid level, temperature and ice accumulation data. The intelligent data processing module processes the data collected by the sensing mechanism and sends it to the signal transmission system.

[0022] Optionally, the bulkhead fixing device further includes:

[0023] The disengageable free retractable mechanism includes a cable, an engaging and disengaging device, and a driving device. The disengageable free retractable mechanism is fixed to the inner wall of the side liquid tank and is connected to the float heating device body through a cable. It cooperates with the autonomous module to realize the autonomous movement of the float heating device body and perform cable retracting and extending operations;

[0024] The wave-making system is located at the bottom of the inner wall of the side tank and actively intervenes in the movement of the free liquid surface by adjusting the intervention of the fluid;

[0025] The third cold protection system is connected to an external heat source and is used for heating and deicing the active cable retraction and extension mechanism, the disengagement free retraction and extension mechanism, and the wave-making system.

[0026] Optionally, the cable active retraction and release mechanism is integrated with the free disengagement retraction and release mechanism, and shares the cable, the engaging and disengaging device and the driving device with the free disengagement retraction and release mechanism. The cable active retraction and release mechanism is connected to the traction module, and includes a single-point action module and a three-point coordinated action module. The single-point action module is used for unidirectional pulling, and the three-point coordinated action module is used for multi-point simultaneous action. By pulling and releasing the cable, movement to any position in the space can be achieved.

[0027] The method for using the floating antifreeze device of the side tank comprises the following steps:

[0028] S01. In the initial state, the side tank is fully loaded or empty, the float heater body is fixed to the base, and is connected to the vent tube base assembly via a docking fixing mechanism. At this time, the first external power supply module and the second power supply module charge the float heater body, and the first cold protection system provides cold protection and heating to the vent tube structure area.

[0029] S02: The liquid level in the side tank changes, and the side tank is in a half-load state. The first power supply system is disconnected from the float heating device body, and a release command is issued to control the receiving and seating mechanism and the docking and fixing mechanism to change from a locked state to a released state. The float heating device body freely falls along the protective sleeve pipeline under the action of gravity and reaches the liquid surface below the vent pipe structure, i.e., the ready position.

[0030] S03, the float heating device body enters the liquid surface release state, leaves the standby position, and enters the operating position. The power supply of the float heating device body is provided by the self-power supply module and the energy storage charging module. The energy absorption and utilization mechanism starts to operate and continuously replenishes the energy storage charging module with electric energy. If it is detected that the converted electric energy is insufficient, the wave generating system (330) is started and the air source regulating medium is introduced to adjust the movement degree of the free liquid surface and change the energy absorption effect.

[0031] S04. After being in the operating position, the second cold protection system of the float heating device body enables the float heating device body (F200) to move autonomously through the autonomous module (281), or to move under the traction of the bulkhead fixing device (G300), or to move passively under the action of the liquid surface waves, based on the real-time data fed back by the positioning system, and provides sufficient heat and ice-breaking power to ensure that a dense ice layer is not formed on the free liquid surface, and controls the float heating device body area to have sufficient ventilation area;

[0032] S05. When the anti-cold task is completed, the liquid level in the side liquid tank is about to reach the lower end of the vent pipe structure, or the float heating device body is insufficient in energy, the float heating device body is recovered.

[0033] Optionally, in step S05, the float heating device body at any position is towed and moved to the bottom of the vent tube structure by the traction module and the three-point coordinated action module, and the alignment is maintained. Then, the float heating device body rises with the liquid level, passes through the vent tube protective sleeve pipeline, and docks and locks with the receiving seating mechanism. Then, the first power supply system is connected to the float heating device body to complete the recovery of the float heating device body.

[0034] In summary, the present invention has at least one of the following beneficial effects:

[0035] 1. The present invention comprises three parts: a vent pipe base device, a float heating device body, and a bulkhead fixing device. Its specific composition scheme comprehensively considers the actual structural layout and spatial characteristics of the side tanks. Based on the actual operation of the ship, it focuses the large-scale anti-freezing target of the entire tank on the local anti-freezing of the free liquid surface and the vent pipe, reducing the layout of a large number of heating coils, greatly reducing the consumption of the limited heat source on board, saving the operating cost of the entire ship, and improving the technical level of ship design.

[0036] 2. The present invention innovatively proposes to effectively utilize the kinetic energy and potential energy of the free liquid surface in the liquid tank, further improving the energy utilization efficiency of the entire ship and promoting new developments in energy storage technology.

[0037] 3. Through intelligent data sensing and technical processing, the present invention can monitor relevant data in the cabin during actual ship operation in real time, which is helpful for studying the icing mechanism of the side liquid tank, optimizing the dynamic adjustment of the ship status, and improving the intelligence level of the entire ship, thereby promoting new developments in the intelligence of ship polar equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 The system composition and function of the floating antifreeze device for the side tank of the present invention;

[0039] Figure 2 This is a side view schematic diagram of the arrangement of the floating antifreeze device of the present invention;

[0040] Figure 3 This is a schematic diagram of the top view of the structural arrangement of the floating antifreeze device of the present invention;

[0041] Figure 4 This is a schematic structural diagram of the floating antifreeze device of the present invention when in use;

[0042] In the figure: 1. Side tank; V100, vent pipe base assembly; 110, vent pipe structure; 111, vent body pipeline; 112, protective sleeve pipeline; 113, protective sleeve vent structure; 120, first power supply system; 121, first external power supply module; 130, first cold protection system; 131, electric heating mechanism; 140, receiving and seating mechanism; F200, float heating device body; 210, docking and fixing mechanism; 220, energy absorption and utilization mechanism; 221, internal mechanism; 222, tentacles mechanism; 230, anti-overturning mechanism; 240, second power supply system; 241, self-powered module; 242. Energy storage and charging module; 243. Second external power supply module; 250. Signal transmission system; 260. Positioning system; 261. Sensing mechanism; 262. Intelligent data processing module; 270. Second cold protection system; 271. Electric heating mechanism; 272. Side ice breaking mechanism; 280. Mobile system; 281. Autonomous module; 282. Traction module; G300, Bulkhead fixing device; 310. Active cable retraction and extension mechanism; 311. Single-point action module; 312. Three-point coordinated action module; 320. Disengagement of free retraction and extension mechanism; 330. Wave-making system; 340. Third cold protection system. DETAILED DESCRIPTION

[0043] The following combination Figure 1-4 The present invention is described in further detail.

[0044] The present invention discloses a floating antifreeze device for a side tank, which is controlled by a ship monitoring and control system. Figure 1 The device comprises a vent pipe base device V100, a float heating device body F200 and a bulkhead fixing device G300. The vent pipe base device V100 is arranged on the top of the side liquid tank 1 and is used for ventilation in the side liquid tank 1. The float heating device body F200 is detachably connected to the vent pipe base device V100. The bulkhead fixing device G300 is arranged on the side wall of the side liquid tank 1. The bulkhead fixing device G300 includes an active cable retraction and release mechanism 310. The active cable retraction and release mechanism 310 is connected to the float heating device body F200 and can drag the float heating device body F200 to move in the side liquid tank 1 for heating and de-icing operations. The float heating device body F200 is provided with a positioning system 260 for spatial ranging of the float heating device body F200 and monitoring and collecting data on the liquid level, temperature and ice accumulation degree in the side liquid tank 1.

[0045] In a further embodiment, the vent tube base assembly V100 comprises:

[0046] The vent pipe structure 110 is provided on the top of the side tank 1 and is used for ventilation of the tank;

[0047] The first power supply system 120 is located outside the side tank 1 and includes a first external power supply module 121. The first external power supply module 121 is connected to the ship's power supply, to which is connected a power supply line. The power supply line passes through the air permeable tube structure 110 and is connected to the air permeable tube structure 110 and the float heating device body F200. The power supply system 120 is used for cold-proof heating and energy storage and charging.

[0048] A first cold protection system 130 includes an electric heating mechanism 131. The electric heating mechanism 131 is an electric heating circuit and is provided on the outer wall of the air pipe structure 110. The electric heating mechanism 131 is used to heat and prevent freezing of the air pipe structure 110 and the surrounding area of ​​the air pipe structure 110.

[0049] The receiving and seating mechanism 140 is sleeved on the air-permeable tube structure 110 and is used to connect to the float heating device body F200.

[0050] In a further embodiment, referring to Figure 2 The ventilation pipe structure 110 includes a ventilation main body pipeline 111 and a protective sleeve pipeline 112. The protective sleeve pipeline 112 is arranged in the side liquid tank 1 for arranging the relevant lines of the first power supply system 120 and the first cold protection system 130, and the upper end extends out of the cabin roof to optimize the ventilation effect. The ventilation main body pipeline 111 is connected to the upper end of the protective sleeve pipeline 112. The diameter of the protective sleeve pipeline 112 is larger than the diameter of the ventilation main body pipeline 111. The receiving seat mechanism 140 is arranged on the protective sleeve pipeline 112 at the side of the ship. On the part inside the side liquid tank 1, a protective sleeve ventilation structure 113 is provided on the protective sleeve pipe 112 between the receiving seating mechanism 140 and the top of the side liquid tank 1. The protective sleeve ventilation structure 113 is close to the top of the side liquid tank 1, and is combined with the structural design that the top of the protective sleeve pipe 112 is higher than the top of the tank to ensure the ventilation effect of the side liquid tank 1 when the water level is full, avoiding the occurrence of breath holding in the cabin. When the liquid level in the cabin is lower than the bottom of the protective sleeve pipe 112, the bottom surface and interior of the pipe can also be ventilated in the cabin.

[0051] In a further embodiment, the float heating device body F200 is hollowed out and has a two-layer structure of an inner ring and an outer ring, including:

[0052] The docking and fixing mechanism 210 is provided on the inner wall of the float heating device body F200 and is matched with the receiving and seating mechanism 140 to detachably connect the float heating device body F200 and the air tube base device V100;

[0053] The energy absorption and utilization mechanism 220 includes an internal mechanism 221 and a tentacle mechanism 222. The internal mechanism 221 is located between the inner ring and the outer ring of the float heating device body F200. The internal mechanism 221 is connected to the tentacle mechanism 222 and is used to absorb the kinetic energy and potential energy generated by the float heating device body F200 as the liquid surface moves. There are multiple tentacle mechanisms 222, which are evenly arranged on the outer wall of the float heating device body F200. They are mainly used to assist in absorbing the wave energy of the liquid surface and the mechanical energy of their own movement. At the same time, after being energized, the tentacle mechanism 222 can also be used to assist in cold-proof heating, realize the autonomous movement of the float heating device body F200, and escape from narrow structural areas.

[0054] The anti-overturning mechanism 230 is used to stabilize the posture of the float heating device body F200. Regardless of changes in the liquid level or the ship's posture, the float heating device body F200 in the liquid-released state can be suspended on the free surface of the liquid. It has anti-overturning and posture recovery capabilities to maintain the floating posture. Its use is not limited to structures such as anchoring systems;

[0055] The second power supply system 240 is used to supply power to the float heating device body F200 and store the electrical energy converted by the energy absorption and utilization mechanism 220;

[0056] The signal transmission system 250 is used to transmit the data collected by the positioning system 260 to the ship monitoring and control system, and transmit the command signal of the ship monitoring and control system to the float heating device body F200, so that the float heating device body F200 can perform tasks. The data of each system includes but is not limited to: spatial ranging, liquid level, temperature, posture, ice accumulation degree, power consumption, and power storage; the operation instructions include but are not limited to: energy absorption, heating, ice breaking, positioning, power supply and mode selection, movement and mode selection, etc.

[0057] Second cold protection system 270, second cold protection system 270 includes an electric heating mechanism 271 and a side ice breaking mechanism 272. Electric heating mechanism 271 is used to adaptively release heat for cold protection based on the ice accumulation level and temperature detected by positioning system 260. It can automatically adjust the heat release level according to the different ice accumulation levels measured, and can also provide large-scale auxiliary heating through the tentacles 222. Side ice breaking mechanism 272 is distributed on the outer wall of the outer ring of the float heating device body F200. It can destroy thinner ice through the movement of the float heating device body F200 itself, and can also be driven by the power output by the second power supply system 240 to destroy thicker ice.

[0058] The mobile system 280 includes an autonomous module 281 and a traction module 282, which are used for autonomous movement, traction movement and passive movement of the float heating device body F200. The autonomous module 281 is mainly powered by the self-powered module 241. According to the sensing distance data of the positioning system 260, autonomous movement is achieved through the rotation of the float heating device body F200 and the movement of the tentacle mechanism 222. The traction module 282 stops autonomous movement and follows the control of the bulkhead fixing device G300 to achieve traction movement. Passive movement is to go with the flow, that is, passive movement is performed under the action of liquid surface waves, and it is converted into active movement when a collision is about to occur.

[0059] Specifically, the float heating device body F200 has two states: base fixed and liquid level released. After the liquid level drops, the body can be released to always float on the free liquid surface and move freely in the cabin (active / passive). The wave kinetic energy / potential energy of the free liquid surface is converted into electrical energy for storage or use to achieve liquid surface heating at the location, and ensure that the inner and outer circle areas will not be frozen, ensuring ventilation in the cabin. There are two forms of active movement: autonomous movement and cable traction, and passive movement is drifting with the waves.

[0060] In a further embodiment, the second power supply system 240 includes a self-powered module 241, an energy storage charging module 242 and a second external power supply module 243. The self-powered module 241 is connected to the energy storage charging module 242, and the energy storage charging module 242 is connected to the energy absorption and utilization mechanism 220. The self-powered module 241 mainly obtains electric energy from the energy storage charging module 242 when the float heating device body F200 is in a liquid level release state, and is used to provide power for the docking fixing mechanism 210, the autonomous module 281, the positioning system 260 and the second cold protection system 270. The second external power supply module 243 is connected to the energy storage charging module 242. The charging module 242 is connected, and the second external power supply module 243 is connected to the first external power supply module 121. The energy storage charging module 242 can be directly powered by the energy absorption and utilization mechanism 220, or it can be charged from the second external power supply module 243 when the float heating device body F200 is in a fixed state on the base. When the float heating device body F200 is seated and locked on the air vent base device V100, the second external power supply module 243 located on the float heating device body F200 is connected to the first external power supply module 121 to supply power to the system required by the float heating device body F200.

[0061] In a further embodiment, the positioning system 260 includes a sensing mechanism 261 and an intelligent data processing module 262. The sensing mechanism 261 is used for spatial distance measurement and collects data such as liquid level, temperature and ice accumulation. The intelligent data processing module 262 processes and analyzes the data collected by the sensing mechanism 261 to a certain extent to achieve real-time positioning and autonomous adjustment of the operating status (attitude, heating amount, ice breaking degree, etc.), and sends the processed data to the signal transmission system 250 and feeds back to the ship monitoring and control system.

[0062] In a further embodiment, referring to Figure 3 , the bulkhead fixing device G300 also includes:

[0063] The free disengagement and retraction mechanism 320 includes a cable, an engaging and disengaging device, and a driving device to achieve traction and tracking of the float heating device body F200. The cable has a limit function to avoid serious collision with the bulkhead. The free disengagement and retraction mechanism 320 is fixed to the inner wall of the side liquid tank 1 and connected to the float heating device body F200 via a cable. It cooperates with the autonomous module 281 to achieve autonomous movement of the float heating device body F200 and perform cable retraction and deployment operations.

[0064] The wave-making system 330 is located at the bottom of the inner wall of the side tank 1 and is connected to a source system such as compressed air. Based on the operating state of the float heating device body F200 and the degree of electrical energy conversion of the energy absorption and utilization mechanism 220, it actively intervenes in the movement of the free liquid surface by adjusting the inflow of the air source (not limited to air, but also other fluid media) to achieve energy control.

[0065] The third cold protection system 340 is connected to an external heat source and is used for heating and deicing the active cable retraction mechanism 310 , the free retraction mechanism 320 and the wave-making system 330 .

[0066] In a further embodiment, the active cable retraction and release mechanism 310 and the free disengagement and retraction and release mechanism 320 are integrated into one. Both the active cable retraction and release mechanism 310 and the free disengagement and retraction and release mechanism 320 are composed of fixed points 300A, 300B, and 300C on three bulkheads, and share cables, engaging and disengaging devices, and driving devices with the free disengagement and retraction and release mechanism 320. The active cable retraction and release mechanism 310 is connected to the traction module 282 and includes a single-point action module 311 and a three-point coordinated action module 312. The single-point action module 311 is used for unidirectional pulling, and the three-point coordinated action module 312 is used for multi-point simultaneous action. By pulling and releasing the cable, movement to any position in the space is achieved. This control also relies on the sensing distance data of the positioning system 260. The float heating device body F200 can be brought to the bottom of the ventilator base device V100 for docking operations, or movement to a specified spatial area under other special working conditions.

[0067] The active cable retraction and release mechanism 310 and the free retraction and release mechanism 320 are both composed of fixed points 300A\300B\300C on three bulkheads. The wave-making system 330 is connected to the source system such as compressed air, which can control the switch and flow; the anti-cold system heats the area near the fixed point by providing an external heat source to prevent ice.

[0068] How to use the floating antifreeze device of the side tank, refer to Figure 4 , including the following steps:

[0069] S01. In the initial state, the side liquid tank 1 is fully loaded (liquid level 1) or empty (liquid level 2), with essentially no free liquid surface and extremely low available energy. The float heating device body F200 is in a base-fixed state, located at the start / end positions in the figure, and is connected to the vent tube base device V100 via the docking and fixing mechanism 210. At this time, the first external power supply module 121 and the second power supply module 243 are charging the float heating device body F200. The first cold protection system 130 provides cold protection and heating to the vent tube structure 110 area. The second cold protection system 270, the second power supply system 240, the docking and fixing mechanism 210, and the like of the float heating device body F200 are all powered by the first external power supply module 121 and the second external power supply module 243, cooperating with the first cold protection system 130 to provide cold protection and heating to the vent tube area.

[0070] S02: The liquid level in the side tank 1 changes, and the side tank 1 is in a half-loaded state. The first power supply system 120 is disconnected from the float heating device body F200, and a release command is issued to control the receiving and seating mechanism 140 and the docking and fixing mechanism 210 to change from a locked state to a released state. The float heating device body F200 freely falls along the protective sleeve pipe 112 under the action of gravity and reaches the liquid surface below the vent pipe structure 110, i.e., the ready position. During this process, the free retractable mechanism 320 is disengaged, and the cable has no traction force, indicating a follow-up motion.

[0071] S03: The float heating device body F200 enters the liquid level release state, leaves the standby position, and enters the operating position. The power supply of the float heating device body F200 is provided by the self-power supply module 241 and the energy storage charging module 242. The energy absorption and utilization mechanism 220 starts to operate and continuously replenishes power to the energy storage charging module 242.

[0072] Specifically, in the standby position, the float heating device body F200 enters a liquid-level release state. At this point, the first cold-proof system 130 is always powered by the first external power supply module 121 to maintain operation to prevent the air-permeable tube structure 110 from freezing. The power supply for the float heating device body F200 is provided by the self-powered module 241 and the energy storage and charging module 242. The energy absorption and utilization mechanism 220 begins to operate, continuously replenishing power to the energy storage and charging module 242. In this state, there are three modes of movement: one is passive drifting; the other two are active movements, executed by the body's autonomous module 281 and the traction module 282 controlled by the bulkhead fixing device G300, respectively, to leave the standby position and enter the operating position.

[0073] S04. After being in the operating position, the second cold protection system 270 of the float heating device body F200 makes the float heating device body (F200) move autonomously through the autonomous module (281) according to the real-time data fed back by the positioning system 260, or moves under the traction of the bulkhead fixing device (G300), or moves passively under the action of the liquid surface waves, and provides sufficient heat and ice-breaking power to ensure that a dense ice layer is not formed on the free liquid surface, and controls the float heating device body F200 area to have sufficient air permeability; this also requires the energy absorption and utilization mechanism 220 can continuously replenish sufficient electrical energy, ensuring sufficient wave energy on the free surface. If insufficient electrical energy is detected, the wave-generating system 330 will be activated to introduce a control medium such as an air source to adjust the movement of the free surface and change the energy absorption effect. In addition, the anti-overturning mechanism 230 can ensure a stable floating posture. When the float heating device body F200 moves to the boundary, the tentacle mechanism 222 can effectively avoid collision with the bulkhead wall. The active cable retraction mechanism 310 and the traction module 282 can effectively escape when the device itself is insufficient in energy or trapped in a confined area.

[0074] S05, when the cold-proof task is completed and the liquid level in the side tank 1 is about to reach the lower end of the vent pipe structure 110 or the float heater body F200 is insufficient in energy, the float heater body F200 is recovered and the float heater body F200 at any position is towed and moved to the bottom of the vent pipe structure 110 by the traction module 282 and the three-point coordinated action module 312 and kept aligned, i.e. returned to the standby position. This step must be completed before the liquid level reaches the bottom of the vent pipe structure 110, and when the liquid level reaches the protective sleeve After reaching the lower end of the pipeline 112, ventilation in the cabin is achieved through the protective sleeve ventilation structure 113, and then the float heating device body F200 rises with the liquid level. After the central hollow area is docked with the protective sleeve pipeline 112, it will continue to rise along the protective sleeve pipeline 112, and directly reach the receiving seating mechanism 140. After being interlocked and fastened by the docking and fixing mechanism 210, it enters the base fixed state. At this time, the first power supply system 120 is connected to the power supply system of the float heating device body F200 to complete the recovery of the float heating device body F200.

[0075] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A floating antifreeze device for a side tank, controlled by a ship monitoring and control system, characterized in that: The invention comprises a ventilating pipe base device (V100), a float heating device body (F200) and a bulkhead fixing device (G300), wherein the ventilating pipe base device (V100) is arranged on the top of the side liquid tank (1) and is used for ventilation in the side liquid tank (1); the float heating device body (F200) is detachably connected to the ventilating pipe base device (V100); the bulkhead fixing device (G300) is arranged on the side wall of the side liquid tank (1); the bulkhead fixing device (G300) comprises an active cable retracting and releasing mechanism (310); The active cable retraction and extension mechanism (310) is connected to the float heating device body (F200) and can drag the float heating device body (F200) to move in the side liquid tank (1) to perform heating and de-icing operations. The active cable retraction and extension mechanism (310) includes a three-point coordinated action module (312). The float heating device body (F200) is provided with a positioning system (260) for spatial distance measurement of the float heating device body (F200) and monitoring and collecting data on the liquid level, temperature and ice accumulation in the side liquid tank (1). The vent tube base device (V100) comprises: A vent pipe structure (110) is provided on the top of the side tank (1) for ventilation of the tank; a first power supply system (120), the first power supply system (120) being located outside the side liquid tank (1) and comprising a first external power supply module (121), the first external power supply module (121) being connected to the ship's electricity, the first external power supply module (121) being connected to a power supply line, the power supply line passing through the air permeable pipe structure (110) and being connected to the air permeable pipe structure (110) and the float heating device body (F200); A first cold protection system (130), the first cold protection system (130) includes an electric heating mechanism (131), the electric heating mechanism (131) is an electric heating circuit, and is provided on the outer wall of the air permeable tube structure (110), and is used for heating and antifreezing the air permeable tube structure (110) and the surrounding area of ​​the air permeable tube structure (110); A receiving and seating mechanism (140), the receiving and seating mechanism (140) is sleeved on the air-permeable tube structure (110) and is used to connect to the float heating device body (F200); The vent pipe structure (110) comprises a vent main body pipeline (111) and a protective sleeve pipeline (112). The protective sleeve pipeline (112) is arranged in the side liquid tank (1), and the upper end of the protective sleeve pipeline (112) extends out of the tank top. The vent main body pipeline (111) is connected to the upper end of the protective sleeve pipeline (112). The diameter of the protective sleeve pipeline (112) is larger than the diameter of the vent main body pipeline (111). The receiving and seating mechanism (140) is arranged on the portion of the protective sleeve pipeline (112) located in the side liquid tank (1). A protective sleeve vent structure (113) is provided on the protective sleeve pipeline (112) between the receiving and seating mechanism (140) and the tank top of the side liquid tank (1). The protective sleeve vent structure (113) is close to the tank top of the side liquid tank (1). The float heating device body (F200) is hollowed out and has a two-layer structure of an inner ring and an outer ring, including: A docking and fixing mechanism (210), the docking and fixing mechanism (210) is provided on the inner wall of the float heating device body (F200), and is matched and connected with the receiving and seating mechanism (140), and is used for detachable connection between the float heating device body (F200) and the air-permeable tube base device (V100); An energy absorption and utilization mechanism (220), the energy absorption and utilization mechanism (220) comprising an internal mechanism (221) and a tentacle mechanism (222), the internal mechanism (221) being located between the inner ring and the outer ring of the float heating device body (F200), the tentacle mechanism (222) being provided in plurality and evenly arranged on the outer wall of the float heating device body (F200), and the internal mechanism (221) being connected to the tentacle mechanism (222), and being used for converting the mechanical energy of the float heating device body (F200) and the wave energy of the liquid surface in the side liquid tank (1) into electrical energy; An anti-overturning mechanism (230) for stabilizing the posture of the float heating device body (F200); A second power supply system (240) is used to supply power to the float heating device body (F200) and to store the electric energy converted by the energy absorption and utilization mechanism (220); a signal transmission system (250) for transmitting data collected by the positioning system (260) to the ship monitoring and control system, and transmitting a command signal of the ship monitoring and control system to the float heating device body (F200); a second cold protection system (270), wherein the second cold protection system (270) comprises an electric heating mechanism (271), a side ice-breaking mechanism (272) and a tentacle mechanism (222); the electric heating mechanism (271) is used for releasing heat and cold protection according to the ice accumulation degree and temperature detected by the positioning system (260); the side ice-breaking mechanism (272) is distributed on the outer side wall of the outer ring of the float heating device body (F200) and is used for de-icing in the side liquid tank (1); the tentacle mechanism (222) can generate heat after being energized, and can perform auxiliary cold protection heating; A movement system (280), comprising an autonomous module (281) and a traction module (282), for autonomous movement, traction movement, and passive movement of the float heating device body (F200); The second power supply system (240) includes a self-power supply module (241), an energy storage and charging module (242), and a second external power supply module (243); The bulkhead fixing device (G300) further includes: The disengageable free retractable mechanism (320) comprises a cable, an engaging and disengaging device and a driving device. The disengageable free retractable mechanism (320) is fixed to the inner wall of the side liquid tank (1) and is connected to the float heating device body (F200) via a cable. The mechanism cooperates with the autonomous module (281) to realize the autonomous movement of the float heating device body (F200) and perform cable retracting and extending operations. The wave-making system (330) is arranged at the bottom of the inner wall of the side liquid tank (1) and actively intervenes in the movement of the free liquid surface by adjusting the intervention of the fluid; The third cold protection system (340) is connected to an external heat source and is used for heating and deicing the cable active retracting and releasing mechanism (310), the disengaged free retracting and releasing mechanism (320) and the wave-making system (330).

2. The floating antifreeze device for the side tank according to claim 1, characterized in that: The self-powered module (241) is connected to the energy storage and charging module (242), the energy storage and charging module (242) is connected to the energy absorption and utilization mechanism (220), the self-powered module (241) is used to provide power for the docking and fixing mechanism (210), the autonomous module (281), the positioning system (260) and the second cold protection system (270), the second external power supply module (243) is connected to the energy storage and charging module (242), and the second external power supply module (243) is connected to the first external power supply module (121).

3. The floating antifreeze device for the side tank according to claim 2, characterized in that: The positioning system (260) includes a sensing mechanism (261) and an intelligent data processing module (262). The sensing mechanism (261) is used for spatial distance measurement and collects liquid level, temperature, and ice accumulation data. The intelligent data processing module (262) processes the data collected by the sensing mechanism (261) and sends the data to the signal transmission system (250).

4. The floating antifreeze device for the side tank according to claim 3, characterized in that: The cable active retracting and releasing mechanism (310) is integrated with the disengaging free retracting and releasing mechanism (320), and shares a cable, an engaging and disengaging device and a driving device with the disengaging free retracting and releasing mechanism (320). The cable active retracting and releasing mechanism (310) is connected to the traction module (282). The cable active retracting and releasing mechanism (310) further includes a single-point action module (311), which is used for unidirectional pulling, and a three-point coordinated action module (312) for multi-point simultaneous action. By pulling and releasing the cable, movement to any position in space is achieved.

5. The method for using the floating antifreeze device for the side tank according to claim 4, characterized in that: The following steps are involved: S01, in the initial state, the side liquid tank (1) is fully loaded or empty, the float heating device body (F200) is in a base fixed state, and is connected to the vent pipe base device (V100) through the docking fixing mechanism (210), at this time, the first external power supply module (121) and the second external power supply module (243) charge the float heating device body (F200), and the first cold protection system (130) performs cold protection heating on the vent pipe structure (110) area; S02, the liquid level in the side liquid tank (1) changes, the side liquid tank (1) is in a half-load state, the connection between the first power supply system (120) and the float heating device body (F200) is disconnected, and a release command is issued to control the receiving and seating mechanism (140) and the docking and fixing mechanism (210) to change from a locked state to a released state, and the float heating device body (F200) falls freely along the protective sleeve pipe (112) under the action of gravity and reaches the liquid surface below the vent pipe structure (110), i.e., the ready position; S03, the float heating device body (F200) enters the liquid level release state, leaves the standby position, and enters the operating position. The power supply of the float heating device body (F200) is provided by the self-power supply module (241) and the energy storage charging module (242). The energy absorption and utilization mechanism (220) starts to operate and continuously replenishes the energy storage charging module (242). If it is detected that the converted electric energy is insufficient, the wave generating system (330) is started and the air source regulating medium is introduced to adjust the movement degree of the free liquid surface and change the energy absorption effect. S04. After being in the operating position, the second cold protection system (270) of the float heating device body (F200) enables the float heating device body (F200) to move autonomously through the autonomous module (281) according to the real-time data fed back by the positioning system (260), or to move under the traction of the bulkhead fixing device (G300), or to move passively under the action of the liquid surface waves, and provides sufficient heat and ice-breaking power to ensure that a dense ice layer is not formed on the free liquid surface, and controls the float heating device body (F200) area to have sufficient ventilation area; S05. When the cold-proof task is completed and the liquid level in the side liquid tank (1) is about to reach the lower end of the vent pipe structure (110) or the float heating device body (F200) is insufficient in energy, the float heating device body (F200) is recovered.

6. The floating antifreeze device for the side tank according to claim 5, characterized in that: In step S05, the float heating device body (F200) at any position is pulled and moved to the position directly below the vent tube structure (110) by the traction module (282) and the three-point coordinated action module (312), and the alignment is maintained. Then, the float heating device body (F200) rises along with the liquid level, passes through the vent tube protective sleeve pipeline (112), and docks and locks with the receiving and seating mechanism (140). Then, the first power supply system (120) is connected to the float heating device body (F200), and the recovery of the float heating device body (F200) is completed.

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