CN116331457A - Thermal energy management system for deep sea manned platform and fresh water circulation heating method - Google Patents
Thermal energy management system for deep sea manned platform and fresh water circulation heating method Download PDFInfo
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- CN116331457A CN116331457A CN202211517013.7A CN202211517013A CN116331457A CN 116331457 A CN116331457 A CN 116331457A CN 202211517013 A CN202211517013 A CN 202211517013A CN 116331457 A CN116331457 A CN 116331457A
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- 239000013505 freshwater Substances 0.000 title claims abstract description 94
- 238000010438 heat treatment Methods 0.000 title claims abstract description 90
- 238000000034 method Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 120
- 238000001816 cooling Methods 0.000 claims abstract description 60
- 239000013535 sea water Substances 0.000 claims description 21
- 230000000694 effects Effects 0.000 claims description 5
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- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000004378 air conditioning Methods 0.000 description 6
- 230000000149 penetrating effect Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 2
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- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
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Abstract
The invention relates to a heat energy management system and a fresh water circulation heating method for a deep sea manned platform, comprising a fresh water circulation system and an improved total station heating system, wherein the fresh water circulation system comprises a fresh water pump, water cooling equipment, a shell-and-tube heat exchanger and a first temperature control three-way valve which are sequentially connected end to end, the output end of the first temperature control three-way valve is connected with the fresh water pump and a heat exchange water tank, the improved total station heating system comprises an electric water heating boiler, a hot water pump and a second temperature control three-way valve which are sequentially connected end to end, the output end of the second temperature control three-way valve is connected to the shell-and-tube heat exchanger, the output end of the shell-and-tube heat exchanger is connected with a heating radiator, and the other branch of the second temperature control three-way valve is communicated with the heating radiator; the output end of the heating radiator is connected to the electric water boiler. The high-temperature fresh water generated after the water cooling equipment is cooled is used for heating the manned cabin, and a water cabin heat exchange scheme for replacing a sea-through cooling system is designed, so that the comprehensive energy utilization rate of the deep sea manned platform is improved, and the safety and the reliability of the system are improved.
Description
Technical Field
The invention relates to the technical field of deep sea manned thermal energy management systems, in particular to a thermal energy management system for a deep sea manned platform and a fresh water circulation heating method.
Background
Because the manned submersible vehicle has limited self-holding force, the underwater detection time is generally not more than 12 hours, and the cabin temperature in the deep submersible vehicle can be ensured not to be lower than 10 ℃ only by laying thicker heat insulation materials in the cabin, so that the influence on personnel comfort is limited. The normal working depth of the submarine is 50-200 m, the temperature of the corresponding seawater is 14-23 ℃, the temperature of the cabin is adjusted to 18-27 ℃ by an air conditioning device, and the comfort level of the human body temperature is high. The deep sea manned platform has longer self-sustaining force requirement (15-20 days) relative to the manned deep submersible, and has lower sea water temperature (2-6 ℃) relative to the submarine;
the conventional air conditioning and cooling system for the underwater manned platform is shown in fig. 1, and the functions of the conventional air conditioning and cooling system are independent of each other and are respectively used for cabin temperature adjustment and equipment cooling.
The cooling system comprises a fresh water circulation system 1 and a seawater cooling system, wherein the fresh water circulation system 1 circulates and cools fresh water through a fresh water pump 11, heat generated by a water cooling device 12 is conveyed to a seawater-fresh water heat exchanger 24, a temperature control three-way valve controls the temperature of an inlet and an outlet of the water cooling device 12 by adjusting the opening of a bypass, and an expansion water tank 14 is used for balancing pressure fluctuation of the system. The seawater cooling system conveys the outboard seawater to a seawater-fresh water heat exchanger 24 through a seawater pump 23 to cool high-temperature fresh water, the cabin penetrating member 21 is used for communicating the outboard seawater with the cabin environment, and the side valve 22 is used for controlling the on-off of a seawater pipeline. The main unit of the air conditioning system 3 adjusts the air temperature to a set value according to the temperature control requirement, and enters the cabin from each air supply port 33 through the air supply pipeline 32 to adjust the ambient temperature. Although the traditional underwater manned platform air conditioner and cooling system can realize the temperature regulation and equipment cooling function in the cabin, the following 2 points of defects exist in the application of the traditional underwater manned platform air conditioner and cooling system in the deep sea field:
(1) The comprehensive utilization rate of energy is low. On the one hand, the system discharges the thermal load of the equipment in the cabin out of the cabin, and on the other hand, the air conditioner heating system is used for maintaining the proper temperature of the manned cabin, so that the self-sustaining force index of the deep sea manned platform is seriously influenced.
(2) The system has low safety and reliability. The system realizes cooling heat exchange in a mode that high-pressure seawater enters the cabin, the pressure of the seawater entering the cabin increases along with the deepening of the submergence depth, and once equipment and pipelines are damaged or leaked, the high-pressure seawater enters the manned cabin, so that the life safety of personnel in the cabin is directly threatened.
Disclosure of Invention
The applicant provides a thermal energy management system and a fresh water circulation heating method for a deep sea manned platform, which are reasonable in structure, aiming at the defects in the prior art, the high-temperature fresh water generated after cooling by water cooling equipment is used for heating a manned cabin, and a water cabin heat exchange scheme for replacing a sea cooling system is designed, so that the comprehensive energy utilization rate of the deep sea manned platform is improved, and the safety and reliability of the system are improved.
The technical scheme adopted by the invention is as follows:
a thermal energy management system for a deep sea manned platform comprises a fresh water circulation system and an improved total station heating system,
the fresh water circulation system comprises a fresh water pump, water cooling equipment, a shell-and-tube heat exchanger and a first temperature control three-way valve which are sequentially connected end to end, the output end of the first temperature control three-way valve is connected with the fresh water pump and a heat exchange water cabin,
the improved total station heating system comprises an electric water heating boiler, a hot water pump and a second temperature control three-way valve which are sequentially connected end to end, wherein the output end of the second temperature control three-way valve is connected to a shell-and-tube heat exchanger, the output end of the shell-and-tube heat exchanger is connected with a radiator, and the other branch of the second temperature control three-way valve is communicated with the radiator; the output end of the heating radiator is connected to the electric water boiler.
As a further improvement of the above technical scheme:
the shell-and-tube heat exchanger is divided into two branches, namely a tube side branch and a shell side branch.
The input end of the tube side branch is water cooling equipment, and the output end is a first temperature control three-way valve.
The input end of the shell side branch is a second temperature control three-way valve, and the output end is a radiator.
The shell side branch of the shell-and-tube heat exchanger is used as a parallel flow regulating branch of a circulation path where the radiator is located.
The water cooling device is a cooled object in a fresh water circulation system and is one of heat sources in an improved total station heating system.
The first temperature control three-way valve, the heat exchange water tank and the fresh water pump form a bypass flow regulating loop, and the heat exchange water tank is connected in parallel to a pipeline between the first temperature control three-way valve and the fresh water pump.
The heat exchange water tank is of an annular structure and is internally provided with reinforcing ribs and guide plates.
The radiator is arranged in the personnel activity area of the deep sea manned platform.
A fresh water circulation heating method for a thermal energy management system of a deep sea manned platform, comprising the steps of:
the platform sails on the water surface and shallow water, the seawater environment temperature is higher, and the heat supply requirement of the manned cabin is lower; starting a fresh water pump and a hot water pump along with the water cooling equipment when the water cooling equipment is put into use, adjusting the bypass opening of the first temperature control three-way valve to 100%, adjusting the bypass opening of the second temperature control three-way valve to 0, cooling the water cooling equipment through the total station heating system, and heating fresh water in the total station heating system;
the platform operates in a low-temperature environment in winter, an electric water heating boiler is started, fresh water of the total station heating system is heated, and the heating time is shortened;
after fresh water in the total station heating system reaches a set temperature, the system realizes stable operation of the system by adjusting the opening of the temperature control three-way valve and the power of the electric water boiler, and the specific operation is as follows: when the fresh water temperature in the total station heating system is too high, the electric water heating boiler is closed, the bypass opening of the second temperature control three-way valve is increased, the heat transfer of the shell-and-tube heat exchanger to the total station heating system is reduced, meanwhile, the bypass opening of the first temperature control three-way valve is reduced, and the cooling of the heat exchange water cabin to equipment is improved;
when the temperature of the fresh water in the total station heating system is too low, the bypass opening of the second temperature control three-way valve is reduced, heat transfer from the shell-and-tube heat exchanger to the total station heating system is improved, meanwhile, the bypass opening of the first temperature control three-way valve is increased, cooling of the heat exchange water cabin to equipment is reduced, if the bypass opening of the first temperature control three-way valve and the bypass opening of the second temperature control three-way valve are respectively adjusted to 100% and 0, the temperature still does not reach the set temperature, an electric water boiler is started, the power of the boiler is adjusted to perform system auxiliary heating, and the above processes adopt full-automatic control.
The beneficial effects of the invention are as follows:
the invention has compact and reasonable structure and convenient operation, fully utilizes the heat generated by the water cooling equipment, and provides a cabin environment with proper temperature for the deep sea manned platform. The high-pressure cabin penetrating and sea passing equipment such as a seawater-fresh water heat exchanger, a side valve, a seawater pump and the like in the conventional scheme is canceled, cabin penetrating-free cooling heat exchange is realized through a heat exchange water cabin, the inherent safety and reliability of a platform and a system are improved, the noise and heat radiation of the system are reduced, and the concealment of the platform is improved.
After the conventional seawater-fresh water heat exchanger is replaced by the shell-and-tube heat exchanger, the shell-and-tube heat exchanger is provided with two flow paths, namely a tube side branch and a shell side branch, wherein the shell side branch is a bypass flow branch of the tube side branch, so that the effect of flow regulation is achieved, the inlet temperature of a radiator is controlled, and the problem of personnel burn caused by overhigh temperature of the radiator is prevented.
The heat exchange water cabin adopts an annular design, realizes ordered fresh water flow by arranging the guide plates and the water holes by means of the original pressure-resistant shell and the inner rib structure, and realizes fresh water cooling by convective heat exchange with the outboard seawater. Compared with the seawater-fresh water heat exchanger structure in the conventional scheme, the seawater-fresh water heat exchanger structure has the advantages that the flow is controlled through fresh water diversion, and then convection heat exchange is carried out, so that the risk of pressure of external high-pressure seawater entering a cabin is not needed, and potential safety hazards caused by pipeline damage due to high pressure are avoided.
In addition, the heat exchange water tank replaces an expansion water tank, and can be used for balancing the pressure fluctuation of a fresh water circulation system.
The heat load in the invention is not discharged out of the cabin, and the heat exchange is directly carried out in the cabin, so that the energy consumption or loss is reduced as much as possible, and the self-sustaining force index of the deep sea manned platform is favorably achieved.
Drawings
Fig. 1 is a schematic diagram of an air conditioning and cooling system of a conventional underwater manned platform.
Fig. 2 is a flow chart of the present invention.
Figure 3 is a schematic diagram of a deep sea manned platform thermal management system of the present invention.
Wherein: 1. a fresh water circulation system; 2. a conventional total station heating system; 3. an air conditioning system; 4. an improved total station heating system; 11. a fresh water pump; 12. water cooling equipment; 13. a first temperature-controlled three-way valve; 14. an expansion tank; 15. a shell-and-tube heat exchanger; 16. a heat exchange water tank;
21. a cabin penetrating member; 22. a side valve; 23. sea water pump; 24. a seawater-freshwater heat exchanger;
31. an air conditioner main unit; 32. an air supply pipeline; 33. an air supply port; 41. a hot water pump; 42. a radiator; 43. a second temperature-controlled three-way valve; 44. an electric water heating boiler.
Detailed Description
The following describes specific embodiments of the present invention with reference to the drawings.
As shown in fig. 2 to 3, the thermal energy management system for a deep sea manned platform of the present embodiment includes a fresh water circulation system 1 and an improved total station heating system 4,
the fresh water circulation system 1 comprises a fresh water pump 11, a water cooling device 12, a shell-and-tube heat exchanger 15 and a first temperature control three-way valve 13 which are sequentially connected end to end, the output end of the first temperature control three-way valve 13 is connected with the fresh water pump 11 and a heat exchange water cabin 16,
the improved total station heating system 4 comprises an electric water boiler 44, a hot water pump 41 and a second temperature control three-way valve 43 which are sequentially connected end to end, wherein the output end of the second temperature control three-way valve 43 is connected to the shell-and-tube heat exchanger 15, the output end of the shell-and-tube heat exchanger 15 is connected with a radiator 42, and the other branch of the second temperature control three-way valve 43 is communicated with the radiator 42; the output of the radiator 42 is connected to an electric water boiler 44.
The shell-and-tube heat exchanger 15 is divided into two branches, namely a tube side branch and a shell side branch.
The input end of the tube side branch is a water cooling device 12, and the output end is a first temperature control three-way valve 13.
The input end of the shell side branch is a second temperature control three-way valve 43, and the output end is a radiator 42.
The shell side branch of the shell-and-tube heat exchanger 15 serves as a parallel flow regulation branch of the circulation path in which the radiator 42 is located.
The water cooling facility 12 is a cooling target in the fresh water circulation system 1, and is one of heat sources in the modified total station heating system 4.
The first temperature control three-way valve 13, the heat exchange water tank 16 and the fresh water pump 11 form a bypass flow regulating loop, and the heat exchange water tank 16 is connected in parallel with a pipeline between the first temperature control three-way valve 13 and the fresh water pump 11.
The heat exchange water tank 16 is of an annular structure and is internally provided with reinforcing ribs and guide plates.
The radiator 42 is arranged in a personnel activity area of the deep sea manned platform.
The fresh water circulation heating method for the thermal energy management system of the deep sea manned platform of the embodiment comprises the following steps:
the platform sails on the water surface and shallow water, the seawater environment temperature is higher, and the heat supply requirement of the manned cabin is lower; as the water cooling device 12 is put into use, the fresh water pump 11 and the hot water pump 41 are started, the bypass opening of the first temperature control three-way valve 13 is adjusted to 100%, the bypass opening of the second temperature control three-way valve 43 is adjusted to 0, the water cooling device 12 is cooled through the total station heating system, and fresh water in the total station heating system is heated;
the platform operates in a low-temperature environment in winter, the electric water heating boiler 44 is started, fresh water of the total station heating system is heated, and the heating time is shortened;
after the fresh water in the total station heating system reaches the set temperature, the system realizes the stable operation of the system by adjusting the opening of the temperature control three-way valve and the power of the electric water boiler 44, and the specific operation is as follows: when the fresh water temperature in the total station heating system is too high, the electric water heating boiler 44 is closed, the bypass opening of the second temperature control three-way valve 43 is increased, the heat transfer of the shell-and-tube heat exchanger 15 to the total station heating system is reduced, meanwhile, the bypass opening of the first temperature control three-way valve 13 is reduced, and the cooling of the heat exchange water cabin 16 to equipment is improved;
when the fresh water temperature in the total station heating system is too low, the bypass opening of the second temperature control three-way valve 43 is reduced, heat transfer of the shell-and-tube heat exchanger 15 to the total station heating system is improved, meanwhile, the bypass opening of the first temperature control three-way valve 13 is increased, cooling of the heat exchange water tank 16 to equipment is reduced, if the bypass opening of the first temperature control three-way valve 43 and the bypass opening of the second temperature control three-way valve 43 are respectively adjusted to 100% and 0, the temperature still does not reach the set temperature, the electric water boiler 44 is started, and the boiler power is adjusted to perform system auxiliary heating, and the above processes adopt full automatic control.
The thermal energy management system for the deep sea manned platform comprises a fresh water circulation system 1 and an improved total station heating system 4, wherein the fresh water circulation system 1 and the improved total station heating system 4 are intersected in a shell-and-tube heat exchanger 15.
The fresh water circulation system 1 has the following structure: the fresh water circulating system comprises a fresh water pump 11, wherein the input end of the fresh water pump 11 is respectively connected with the output end of a heat exchange water tank 16 and the bypass end of a first temperature control three-way valve 13, and the output end of the fresh water pump is connected with the input end of water cooling equipment 12 and used for driving the fresh water circulation of the system.
The water cooling device 12 has an input end connected to the fresh water pump 11 and an output end connected to the shell-and-tube heat exchanger 15, and is a series of parallel heating devices, which are to be cooled in the fresh water circulation system 1, and which are to be used as one of the heat sources of the system in the improved total station heating system 4.
The shell-and-tube heat exchanger 15 has a tube side input end connected with the water cooling device 12, an output end connected with the first temperature control three-way valve 13, a shell side input end connected with the second temperature control three-way valve 43, and an output end connected with the radiator 42 for realizing convection heat transfer from the fresh water circulation system 1 to the improved total station heating system 4.
The input end of the first temperature control three-way valve 13 is connected with the tube side output end of the shell-and-tube heat exchanger 15, the output end is respectively connected with the input ends of the heat exchange water tank 16 and the fresh water pump 11, and the inlet temperature control of the water cooling equipment 12 is realized through bypass flow regulation.
The input end of the heat exchange water tank 16 is connected with the output end of the first temperature control three-way valve 13, and the output end is connected with the input end of the fresh water pump 11. The heat exchange water tank 16 adopts an annular design, and by means of the original pressure-resistant shell and the internal rib structure, ordered flow of fresh water is realized by arranging guide plates and water holes, and fresh water cooling is realized by convective heat exchange with the outboard seawater. Furthermore, the heat exchange water tank 16 is used instead of the expansion tank for balancing the pressure fluctuations of the fresh water circulation system 1.
The structure of the improved total station heating system 4 is as follows: the hot water boiler comprises a hot water pump 41, wherein the input end of the hot water pump 41 is connected with an electric water boiler 44, and the output end of the hot water pump is connected with a second temperature control three-way valve 43 for driving the system to circulate hot water.
The input end of the second temperature control three-way valve 43 is connected with the hot water pump 41, the output end is respectively connected with the shell-and-tube heat exchanger 15 and the radiator 42, and the temperature control of the inlet of the radiator 42 is realized through bypass flow regulation, so that personnel burn caused by overhigh temperature of the radiator 42 is prevented.
The input end of the radiator 42 is respectively connected with the bypass end of the second temperature control three-way valve 43 and the shell-and-tube heat exchanger 15, the output end is connected with other radiators 42 or a hot water boiler 44 which are connected in series, and the radiator 42 is generally arranged in a main activity area of a person, and the cabin environment temperature control is realized through heat convection with the surrounding air of the radiator 42.
The electric water boiler 44 has an input end connected to the radiator 42 and an output end connected to the hot water pump 41 for auxiliary heating of the improved total station heating system 4 and for balancing pressure fluctuation of the improved total station heating system 4 in place of the expansion tank.
The application method of the thermal energy management system for the deep sea manned platform of the embodiment comprises the following steps:
the first step: at the initial stage of platform operation, the platform sails on the surface of water and shallow water district, and sea water ambient temperature is higher, and manned cabin heat supply demand is lower. As the water cooling apparatus is put into use, the fresh water pump 11 and the hot water pump 41 are turned on, the bypass opening of the first temperature control three-way valve 13 is adjusted to 100%, the bypass opening of the second temperature control three-way valve 43 is adjusted to 0, the water cooling apparatus 12 is cooled by the improved total station heating system 4, and fresh water in the improved total station heating system 4 is heated. If the platform operates in a low-temperature environment in winter, the electric water boiler 44 can be used for heating fresh water of the improved total station heating system 4 at the same time, so as to shorten the heating time.
And a second step of: after fresh water in the improved total station heating system 4 reaches a set temperature, the system realizes stable operation by adjusting the opening of the temperature control three- way valves 13 and 43 and the power of the electric water boiler 44, and the specific operation is as follows: when the fresh water temperature in the improved total station heating system 4 is too high, the electric water heating boiler 44 is closed, the bypass opening of the second temperature control three-way valve 43 is increased, the heat transfer from the shell-and-tube heat exchanger 15 to the improved total station heating system 4 is reduced, meanwhile, the bypass opening of the first temperature control three-way valve 13 is reduced, and the cooling of the heat exchange water cabin 16 to equipment is improved. When the fresh water temperature in the improved total station heating system 4 is too low, the bypass opening of the second temperature control three-way valve 43 is reduced, the heat transfer from the shell-and-tube heat exchanger 15 to the improved total station heating system 4 is improved, meanwhile, the bypass opening of the first temperature control three-way valve 13 is increased, the cooling of the heat exchange water cabin 16 to equipment is reduced, if the bypass opening of the first temperature control three-way valve 13 and the bypass opening of the second temperature control three-way valve 43 are respectively adjusted to 100 percent and the temperature after the temperature is not reached to the set temperature after the temperature is respectively adjusted to 0, the electric water boiler 44 is started, the boiler power is adjusted to carry out system auxiliary heating, and the above processes can be controlled in a full-automatic mode.
The invention has ingenious and novel design and convenient operation, fully utilizes the heat generated by the water cooling equipment, and provides a cabin environment with proper temperature for the deep sea manned platform. High-pressure cabin penetrating equipment such as a seawater-fresh water heat exchanger, a side valve and a seawater pump and sea penetrating equipment are omitted, cabin penetrating-free cooling heat exchange is realized through the heat exchange water cabin, inherent safety and reliability of a platform and a system are improved, system noise and heat radiation are reduced, and platform concealment is improved.
The above description is intended to illustrate the invention and not to limit it, the scope of which is defined by the claims, and any modifications can be made within the scope of the invention.
Claims (10)
1. A thermal management system for a deep sea manned platform, characterized by: comprises a fresh water circulation system (1) and an improved total station heating system (4),
the fresh water circulation system (1) comprises a fresh water pump (11), water cooling equipment (12), a shell-and-tube heat exchanger (15) and a first temperature control three-way valve (13) which are sequentially connected end to end, the output end of the first temperature control three-way valve (13) is connected with the fresh water pump (11) and a heat exchange water cabin (16),
the improved total station heating system (4) comprises an electric water boiler (44), a hot water pump (41) and a second temperature control three-way valve (43) which are sequentially connected end to end, wherein the output end of the second temperature control three-way valve (43) is connected to a shell-and-tube heat exchanger (15), the output end of the shell-and-tube heat exchanger (15) is connected with a radiator (42), and the other branch of the second temperature control three-way valve (43) is communicated with the radiator (42); the output end of the radiator (42) is connected to an electric water boiler (44).
2. The thermal energy management system for a deep sea man platform of claim 1, wherein: the shell-and-tube heat exchanger (15) is divided into two branches, namely a tube side branch and a shell side branch.
3. The thermal energy management system for a deep sea man platform of claim 2, wherein: the input end of the tube side branch is water cooling equipment (12), and the output end is a first temperature control three-way valve (13).
4. The thermal energy management system for a deep sea man platform of claim 2, wherein: the input end of the shell side branch is a second temperature control three-way valve (43), and the output end is a radiator (42).
5. The thermal energy management system for a deep sea man platform of claim 1, wherein: the shell side branch of the shell-and-tube heat exchanger (15) is used as a parallel flow regulating branch of a circulation path where the radiator (42) is located.
6. The thermal energy management system for a deep sea man platform of claim 5, wherein: the water cooling device (12) is a cooled object in the fresh water circulation system (1), and is one of heat sources in the improved total station heating system (4).
7. The thermal energy management system for a deep sea man platform of claim 1, wherein: the first temperature control three-way valve (13), the heat exchange water tank (16) and the fresh water pump (11) form a bypass flow regulating loop, and the heat exchange water tank (16) is connected in parallel to a pipeline between the first temperature control three-way valve (13) and the fresh water pump (11).
8. The thermal energy management system for a deep sea man platform of claim 1, wherein: the heat exchange water tank (16) is of an annular structure, and is internally provided with reinforcing ribs and guide plates.
9. The thermal energy management system for a deep sea man platform of claim 1, wherein: the radiator (42) is arranged in a personnel activity area of the deep sea manned platform.
10. A method of fresh water circulation heating for a thermal energy management system for a deep sea manned platform of claim 1 comprising the steps of:
the platform sails on the water surface and shallow water, the seawater environment temperature is higher, and the heat supply requirement of the manned cabin is lower; starting a fresh water pump (11) and a hot water pump (41) along with the water cooling equipment (12) when the water cooling equipment is put into use, adjusting the bypass opening of the first temperature control three-way valve (13) to 100%, adjusting the bypass opening of the second temperature control three-way valve (43) to 0, cooling the water cooling equipment (12) through the total station heating system, and heating fresh water in the total station heating system;
the platform operates in a low-temperature environment in winter, an electric water heating boiler (44) is started, fresh water of the total station heating system is heated, and the heating time is shortened;
after fresh water in the total station heating system reaches a set temperature, the system realizes stable operation by adjusting the opening of the temperature control three-way valve and the power of the electric water boiler (44), and the specific operation is as follows: when the fresh water temperature in the total station heating system is too high, the electric water heating boiler (44) is closed, the bypass opening of the second temperature control three-way valve (43) is increased, the heat transfer of the shell-and-tube heat exchanger (15) to the total station heating system is reduced, meanwhile, the bypass opening of the first temperature control three-way valve (13) is reduced, and the cooling of the heat exchange water cabin (16) to equipment is improved;
when the fresh water temperature in the total station heating system is too low, the bypass opening of the second temperature control three-way valve (43) is reduced, the heat transfer of the shell-and-tube heat exchanger (15) to the total station heating system is improved, meanwhile, the bypass opening of the first temperature control three-way valve (13) is increased, the cooling of the heat exchange water cabin (16) to equipment is reduced, if the bypass opening of the first temperature control three-way valve (43) and the bypass opening of the second temperature control three-way valve (43) are respectively adjusted to 100% and 0, the temperature still does not reach the set temperature, an electric water boiler (44) is started, the power of the boiler is adjusted to carry out auxiliary heating of the system, and the above processes are fully automatically controlled.
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| CN111342081A (en) * | 2020-03-04 | 2020-06-26 | 广西玉柴机器股份有限公司 | Waste heat management system of fuel cell |
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| CN111591419A (en) * | 2020-05-22 | 2020-08-28 | 中国船舶科学研究中心 | Hot cabinet cooling system for deep sea manned platform |
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2022
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| WO2010116230A2 (en) * | 2009-04-09 | 2010-10-14 | Ocean Synergy Limited | Deep ocean energy system with full or partial sea water air conditioning and utility waste heat utilization |
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| CN116331457B (en) | 2024-02-09 |
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