Novel ship comprehensive energy utilization system

Abstract

The invention discloses a novel ship comprehensive energy utilization system which comprises an engine, a waste heat recovery system, a power generation system and a multi-effect distillation system, the engine comprises an exhaust manifold and a cylinder sleeve cooling pipe, and the waste heat recovery system comprises a first heat exchanger and a second heat exchanger. The first heat exchanger is communicated with the exhaust collecting pipe and the power generation system, waste heat of smoke in the exhaust collecting pipe is recovered and then transmitted to the power generation system for power generation, and the second heat exchanger is communicated with the cylinder sleeve cooling pipe and the multi-effect distillation system. The waste heat of the cooling liquid in the cylinder sleeve cooling pipe is recovered and then transferred to the multi-effect distillation system, so that seawater is converted into fresh water. According to the ship waste heat recycling system, stepped recycling of energy is achieved, the utilization rate of ship waste heat recycling is improved, and therefore the purposes of saving energy, reducing consumption and reducing resource waste are achieved.

Description

Technical Field

[0001] The present invention relates to the field of ship technology, and in particular to a novel ship comprehensive energy utilization system. Background Art

[0002] As IMO's requirements for ship air pollution emissions become more stringent, the water transport and shipping industries have been seeking more efficient and clean alternative energy sources. Among them, new fuels such as LNG and methanol have gradually replaced traditional fossil fuels due to their clean and environmentally friendly, high safety factor, smaller footprint, and abundant reserves, becoming the main fuel choice for new ships and even old ships. However, dual-fuel main engines are also internal combustion engines, and have the same shortcomings as traditional internal combustion engines, with low energy utilization efficiency. Only less than 50% of the energy is converted into shaft power to propel the ship forward, and the remaining heat is dissipated into the surrounding environment in various forms. Recycling this part of waste heat can greatly improve the energy efficiency of ships.

[0003] During the ocean voyage, a large amount of fresh water is consumed by the crew and power equipment such as steam turbine heat exchange. If the huge amount of fresh water consumption is carried by the ship, the deadweight tonnage will inevitably be reduced, and the fresh water will deteriorate due to the pollution of the water tank and the growth of bacteria if it is stored for too long. Summary of the invention

[0004] In order to overcome the shortcomings and deficiencies in the prior art, the purpose of the present invention is to provide a new type of ship comprehensive energy utilization system to achieve cascade recovery and utilization of energy, thereby improving the utilization rate of ship waste heat recovery, thereby achieving the purpose of energy saving and consumption reduction and reducing resource waste.

[0005] The purpose of the present invention is achieved through the following technical solutions:

[0006] A novel integrated energy utilization system for ships comprises an engine, a waste heat recovery system, a power generation system and a multi-effect distillation system, wherein the engine comprises an exhaust manifold and a cylinder jacket cooling pipe, the waste heat recovery system comprises a first heat exchanger and a second heat exchanger, the first heat exchanger being connected to the exhaust manifold and the power generation system, recovering the waste heat of the flue gas in the exhaust manifold and transferring it to the power generation system for power generation, the second heat exchanger being connected to the cylinder jacket cooling pipe and the multi-effect distillation system, recovering the waste heat of the coolant in the cylinder jacket cooling pipe and transferring it to the multi-effect distillation system, so as to convert seawater into fresh water.

[0007] In one embodiment, the energy utilization system also includes an electrolysis hydrogen production system, and the power generation system and the multi-effect distillation system are both connected to the electrolysis hydrogen production system. The power generation system provides electricity to the electrolysis hydrogen production system, and the multi-effect distillation system provides fresh water to the electrolysis hydrogen production system. The electrolysis hydrogen production system electrolyzes fresh water to generate hydrogen and oxygen.

[0008] In one embodiment, the electrolytic hydrogen production system includes a hydrogen storage tank and an oxygen storage tank. The hydrogen produced by the electrolytic hydrogen production system is passed into the hydrogen storage tank, and the oxygen produced by the electrolytic hydrogen production system is passed into the oxygen storage tank.

[0009] In one embodiment, the energy utilization system also includes a sewage treatment system, which includes an ozone generator and a sewage storage tank. The electrolysis hydrogen production system, the ozone generator and the sewage storage tank are connected in sequence. The electrolysis hydrogen production system provides oxygen to the ozone generator, and the ozone generator converts oxygen into ozone. The ozone is passed into the sewage storage tank to oxidize the sewage.

[0010] In one embodiment, the power generation system includes a steam turbine and a generator, the first heat exchanger is connected to the steam turbine, and the first heat exchanger transfers heat energy to the steam turbine.

[0011] The steam turbine converts thermal energy into mechanical energy and transmits the mechanical energy to the generator to generate electricity.

[0012] In one embodiment, the power generation system also includes a cooler, which is connected to the steam turbine to cool the steam turbine; the energy utilization system also includes an electrolysis hydrogen production system, and the power generation system and the multi-effect distillation system are both connected to the electrolysis hydrogen production system, the power generation system provides electricity to the electrolysis hydrogen production system, the multi-effect distillation system provides fresh water to the electrolysis hydrogen production system, the electrolysis hydrogen production system electrolyzes fresh water to generate hydrogen and oxygen, and the electrolysis hydrogen production system provides hydrogen to the cooler as a cooling medium for the cooler.

[0013] In one embodiment, the first heat exchanger is a waste heat boiler.

[0014] In one embodiment, the multiple-effect distillation system comprises a seawater input pipeline, and a seawater pump is provided on the seawater input pipeline to pump the seawater into the multiple-effect distillation system.

[0015] In one embodiment, the multiple-effect distillation system further comprises a fresh water tank, and the fresh water prepared by the multiple-effect distillation system is passed into the fresh water tank.

[0016] In one embodiment, the energy utilization system further includes a flue gas treatment system, which is connected to the first heat exchanger and is used to treat the flue gas discharged from the first heat exchanger.

[0017] The beneficial effects of the present invention are as follows: the high-temperature waste heat of the flue gas in the exhaust manifold is recovered through the first heat exchanger, converted into usable thermal energy, and the thermal energy is transferred to the power generation system, which uses the thermal energy to generate electricity to provide electricity for the electrical equipment on the ship; the coolant in the cylinder jacket cooling pipe is a medium-low temperature heat source, and energy conversion is performed through the second heat exchanger, and this part of the waste heat is used as a heat source for the multi-effect distillation system to convert seawater into fresh water, thereby ensuring the supply and replenishment of fresh water for the ship, and solving the problem that the original ship carries fresh water, resulting in a reduction in deadweight tonnage and the fresh water is easily deteriorated due to long-term storage; the present invention realizes the cascade recovery and utilization of energy through the waste heat recovery system, thereby improving the utilization rate of ship waste heat recovery, thereby achieving the purpose of energy saving and consumption reduction and reducing resource waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 It is a schematic diagram of the structure of a new type of ship comprehensive energy utilization system according to an embodiment of the present invention.

[0020] In the figure: 1. Engine; 11. Exhaust manifold; 2. Waste heat recovery system; 21. First heat exchanger; 22. Second heat exchanger; 3. Power generation system; 31. Steam turbine; 32. Generator; 33. Cooler; 4. Multi-effect distillation system; 41. Seawater input pipeline; 42. Seawater pump; 43. Fresh water tank; 5. Electrolysis hydrogen production system; 51. Hydrogen storage tank; 52. Oxygen storage tank; 6. Sewage treatment system; 61. Ozone generator; 62. Sewage storage tank; 7. Flue gas treatment system. DETAILED DESCRIPTION

[0021] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Based on the description of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] In the description of the present invention, unless otherwise clearly specified and limited, the terms "set", "install", "connection" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0023] The directions or positional relationships indicated by terms such as “upper”, “lower”, “left”, “right”, “front”, “back”, “top”, “bottom”, “inside” and “outside” are based on the directions or positional relationships shown in the accompanying drawings, or are the directions or positional relationships in which the inventive product is usually placed when used. They are only for the convenience of description and simplified description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0024] The terms "first", "second", "third" and the like are merely used to distinguish elements of similar nature, and do not indicate or imply relative importance or a particular order.

[0025] The terms "comprises," "comprising," or any other variations thereof, are intended to cover a non-exclusive inclusion of the elements listed and may also include additional elements not expressly listed.

[0026] At present, waste heat recovery of ships mainly focuses on the recovery of waste heat from high-temperature flue gas and medium- and low-temperature main engine jacket water, and the above waste heat is used to generate electricity for use by ships. During ocean voyages, personnel and power equipment such as ship turbine 31 heat exchangers need to consume a large amount of fresh water. If the huge fresh water consumption is carried entirely by ships, the deadweight tonnage will inevitably be reduced, and fresh water will deteriorate due to water tank pollution and bacterial growth if stored for too long. Therefore, desalination of seawater is an important technical measure to ensure the supply and replenishment of fresh water for ships. At this stage, the overall utilization of waste heat recovery is single, and the heat exchange efficiency of fresh water is low. Therefore, more waste heat is needed to desalinate seawater to prepare a large amount of fresh water, resulting in a decrease in waste heat utilization efficiency.

[0027] The present invention provides a new type of ship comprehensive energy utilization system, such as Figure 1As shown, it includes an engine 1, a waste heat recovery system 2, a power generation system 3 and a multi-effect distillation system 4; the engine 1 includes an exhaust manifold 11 and a cylinder jacket cooling pipe (not shown), the exhaust manifold 11 is used to collect the high-temperature flue gas generated by the engine 1, and the cylinder jacket cooling pipe is used to transfer coolant to dissipate heat from the engine 1, ensuring that the engine 1 can operate normally under an appropriate high-temperature state; the waste heat recovery system 2 includes a first heat exchanger 21 and a second heat exchanger 22, the first heat exchanger 21 connects the exhaust manifold 11 and the power generation system 3, recovers the waste heat of the flue gas in the exhaust manifold 11 and transfers it to the power generation system 3 for power generation, and the second heat exchanger 22 connects the cylinder jacket cooling pipe and the multi-effect distillation system 4, recovers the waste heat of the coolant in the cylinder jacket cooling pipe and transfers it to the multi-effect distillation system 4, so as to convert seawater into fresh water.

[0028] In this embodiment, the high-temperature flue gas generated by the operation of the engine 1 is collected through the exhaust manifold 11. The flue gas collected in the exhaust manifold 11 enters the first heat exchanger 21 as a high-temperature heat source. The first heat exchanger 21 recovers the high-temperature waste heat in the flue gas, converts it into usable thermal energy, and transfers the thermal energy to the power generation system 3. The power generation system 3 uses thermal energy to generate electricity to provide electricity for the electrical equipment on the ship; the coolant (such as cooling water) in the cylinder jacket cooling pipe is a medium- and low-temperature heat source, and energy recovery and conversion are performed through the second heat exchanger 22. This part of the waste heat is used as a heat source for the multi-effect distillation system 4 to convert seawater into fresh water, thereby ensuring the supply and replenishment of fresh water for the ship, and solving the problem that the original ship carries fresh water, resulting in a reduction in deadweight tonnage and the fresh water is easily deteriorated due to long-term storage; the present invention realizes the cascade recovery and utilization of energy through the waste heat recovery system 2, thereby improving the utilization rate of ship waste heat recovery, thereby achieving the purpose of energy saving and consumption reduction and reducing resource waste.

[0029] Furthermore, if Figure 1 As shown, the energy utilization system also includes an electrolytic hydrogen production system 5. The power generation system 3 and the multi-effect distillation system 4 are both connected to the electrolytic hydrogen production system 5. The power generation system 3 provides electricity to the electrolytic hydrogen production system 5, and the multi-effect distillation system 4 provides fresh water to the electrolytic hydrogen production system 5. The electrolytic hydrogen production system 5 electrolyzes fresh water to generate hydrogen and oxygen.

[0030] Furthermore, if Figure 1As shown, the electrolytic hydrogen production system 5 includes a hydrogen storage tank 51 and an oxygen storage tank 52. The hydrogen produced by the electrolytic hydrogen production system 5 is passed into the hydrogen storage tank 51 for storage, and the oxygen produced by the electrolytic hydrogen production system 5 is passed into the oxygen storage tank 52 for storage. Among them, the oxygen storage tank 52 is connected to the ozone generator 61 through a pipeline, and oxygen is input into the ozone generator 61. The oxygen is converted into ozone in the ozone generator 61, and the ozone is input into the sewage storage tank 62 through the pipeline. The ozone oxidizes the sewage stored in the sewage storage tank 62 and discharges it up to the standard; or the surplus oxygen in the oxygen storage tank 52 is injected into the oxygen cylinder to provide protection for the life and health of the crew. The hydrogen storage tank 51 is connected to the cooler 33 of the power generation system 3 through a pipeline, and hydrogen is input into the cooler 33 as a cooling medium.

[0031] Furthermore, if Figure 1 As shown, the energy utilization system also includes a sewage treatment system 6, and the sewage treatment system 6 includes an ozone generator 61 and a sewage storage tank 62. The electrolytic hydrogen production system 5, the ozone generator 61 and the sewage storage tank 62 are connected in sequence through pipelines. The electrolytic hydrogen production system 5 provides oxygen to the ozone generator 61, and the ozone generator 61 converts oxygen into ozone. After the ozone is passed into the sewage storage tank 62, the sewage is oxidized. Specifically, the oxygen storage tank 52 of the electrolytic hydrogen production system 5 inputs oxygen to the ozone generator 61 through a pipeline, and the oxygen reacts in the ozone generator 61 to generate ozone. After the ozone is passed into the sewage storage tank 62, the sewage is oxidized and discharged up to the standard. Among them, ships also generate a large amount of domestic sewage during navigation and operation life. These sewage are generally collected, stored and transported to land for treatment, or a single biochemical treatment is used, which occupies a large area, has a complex process, and it is difficult to achieve the requirements of deep treatment of sewage treatment. In this embodiment, part of the oxygen produced by the electrolytic hydrogen production system 5 is prepared into ozone by the ozone generator 61, and is passed into the sewage storage tank 62 for storing ship domestic sewage to sterilize and disinfect the sewage. After meeting the discharge standards, the sewage is directly discharged into the seawater, which can reduce the design volume and occupied space of the sewage storage tank 62 and also release the carrying capacity of the ship.

[0032] Furthermore, if Figure 1 As shown, the power generation system 3 includes a steam turbine 31 and a generator 32. The first heat exchanger 21 is connected to the steam turbine 31. The first heat exchanger 21 transfers heat energy to the steam turbine 31. The steam turbine 31 converts the heat energy into mechanical energy and transmits the mechanical energy to the generator 32 for power generation. The power generation system 3 also includes an energy storage device (not shown). The energy storage device is connected to the generator 32 to store the electric energy generated by the generator 32.

[0033] Furthermore, if Figure 1As shown, the power generation system 3 further includes a cooler 33, which is connected to the steam turbine 31 to cool the steam turbine 31, and the electrolytic hydrogen production system 5 provides hydrogen to the cooler 33 as a cooling medium for the cooler 33. The hydrogen produced by electrolyzing fresh water can be used as a refrigerant for the cooler 33 to achieve an efficient heat exchange effect, which can effectively solve the problem of low heat exchange efficiency and large amount of fresh water waste caused by using fresh water as a heat exchange medium for the cooler 33.

[0034] Furthermore, if Figure 1 As shown, the first heat exchanger 21 is a waste heat boiler. The flue gas collected in the exhaust manifold 11 enters the waste heat boiler, which recovers the high-temperature waste heat in the flue gas to form high-temperature steam that enters the steam turbine 31 of the power generation system 3. The steam turbine 31 converts the thermal energy of the high-temperature steam into mechanical energy and transmits it to the generator 32 for power generation; the flue gas after waste heat recovery is discharged from the waste heat boiler. After the steam turbine 31 is completed, the steam will be guided to the condenser (not shown), the steam will be condensed into water, and then flow back to the waste heat boiler for recycling. The second heat exchanger 22 can be a plate-fin, plate or shell and tube heat exchanger, which is not limited here; and the coolant in the cylinder jacket cooling pipe can flow back to the cylinder jacket cooling pipe after heat exchange in the second heat exchanger 22 to achieve recycling.

[0035] Furthermore, if Figure 1 As shown, the system further includes a flue gas treatment system 7, which is connected to the first heat exchanger 21 and is used to treat the flue gas discharged from the first heat exchanger 21. The flue gas treatment system 7 is installed at the first heat exchanger 21, i.e., at the end of the exhaust port of the waste heat boiler, to treat the flue gas to meet the emission requirements; the flue gas treatment system 7 includes but is not limited to the functions of desulfurization, denitrification, removal of organic pollutants, heavy metals and other flue gas waste treatment.

[0036] Furthermore, if Figure 1 As shown, the multiple-effect distillation system 4 includes a seawater input pipeline 41, and a seawater pump 42 is provided on the seawater input pipeline 41 to pump the seawater 42 to the multiple-effect distillation system 4. After the multiple-effect distillation system 4 obtains the heat transferred by the second heat exchanger 22, the seawater input by the seawater pump 42 is distilled to generate concentrated brine and fresh water.

[0037] Furthermore, if Figure 1 As shown, the multiple-effect distillation system 4 also includes a fresh water tank 43, and the fresh water prepared by the multiple-effect distillation system 4 is passed into the fresh water tank 43 for storage; the fresh water tank 43 is connected to the electrolysis hydrogen production system 5 through a pipeline to provide fresh water to the electrolysis hydrogen production system 5 for electrolysis to prepare hydrogen and oxygen; at the same time, the fresh water stored in the fresh water tank 43 can also provide other fresh water needs for the ship, so as to reduce the amount of fresh water carried by the ship.

[0038] like Figure 1As shown, the specific working process of the present invention is as follows: the ship engine 1 is connected to the exhaust manifold 11, and the high-temperature flue gas generated by the operation of the engine 1 is mainly collected through the exhaust manifold 11; the flue gas collected in the exhaust manifold 11 enters the waste heat boiler in the waste heat recovery system 2, and the waste heat boiler recovers the high-temperature waste heat in the flue gas, and converts the waste heat of the flue gas generated by the engine 1 into usable heat energy. The waste heat boiler is connected to the steam turbine 31, and the steam turbine 31 converts the heat energy of the high-temperature steam into mechanical energy, which is transmitted to the generator 32 for power generation; the second heat exchanger 22 in the waste heat recovery system 2 is connected to the multi-effect distillation system 4, and the seawater is Pump 42 is transported to the multi-effect distillation system 4, and the waste heat of the recovered coolant can be used to convert seawater into fresh water, which is stored in the fresh water tank 43; the fresh water tank 43 is connected to the electrolytic hydrogen production system 5 to provide pure water for the electrolytic hydrogen production system 5, which is used to prepare hydrogen and oxygen by electrolysis. The prepared hydrogen is transported to the hydrogen storage tank 51 through the gas path, and the oxygen is stored in the oxygen storage tank 52; the oxygen storage tank 52 is connected to the ozone generator 61, which is used to convert oxygen into ozone, and oxidize the sewage stored in the ship domestic sewage storage tank 62 to meet the discharge standards; the hydrogen storage tank 51 is connected to the cooler 33, and hydrogen replaces the coolant as the heat exchange medium to achieve efficient heat exchange. The present invention realizes the cascade recovery and utilization of energy by coupling the ship waste heat recovery technology, seawater desalination technology and sewage treatment technology by utilizing the electrolytic hydrogen production technology, thereby improving the utilization rate of ship waste heat recovery, thereby achieving the purpose of energy saving and consumption reduction and reducing resource waste.

[0039] The beneficial effects of the present invention are as follows: waste heat recovery technology is coupled with electrolysis hydrogen production technology, and the stable power supply generated by high-temperature waste heat power generation and the pure water generated by medium- and low-temperature waste heat seawater desalination are used as the starting conditions of the hydrogen production system; the oxygen generated by electrolysis of pure water can be converted into ozone by an ozone generator 61, so as to achieve deep treatment of ship domestic sewage and meet discharge standards, which can greatly save the treatment cost of ship domestic sewage and reduce the floor space occupied by this part; the hydrogen generated by electrolysis of pure water can be used as a refrigerant for the cooler 33 to achieve the effect of efficient heat exchange, which can effectively reduce the impact of low fresh water heat exchange efficiency and high waste of large amounts of fresh water; the new type of ship comprehensive energy utilization system provided by the present invention can realize the cascade recovery and utilization of energy, greatly improve the utilization rate of ship waste heat recovery, save energy and reduce consumption, and reduce resource waste.

[0040] Embodiment 1:

[0041] like Figure 1As shown, the high-temperature exhaust gas (400°C-500°C) generated by the ship engine 1 is initially recovered and transported to the waste heat boiler (including various waste heat boilers that can use high-temperature flue gas to generate high-temperature water vapor), and high-quality steam is generated through the heat transfer medium, which is converted into stable thermal energy. The thermal energy is converted into electrical energy through the steam turbine 31 and the generator 32. Part of the generated electricity is used by the ship and users, and part is transported to the power supply system in the electrolytic hydrogen production system 5. The waste heat of the cylinder jacket water in the ship engine 1 is heat exchanged through the second heat exchanger 22 of the waste heat recovery system 2. The heat transfer medium with a higher temperature after heat exchange passes through the low-temperature multiple-effect distillation system 4, and fresh water is prepared by continuous evaporation and condensation, and stored in the fresh water tank 43. The seawater is filtered and transported into the low-temperature multiple-effect distillation system 4 through the seawater pump 42, and used as raw water for preparing fresh water. Part of the prepared fresh water is used for ships (such as heat transfer media, etc.) and domestic water, and part of it is transported through a pure water pipeline into the pure water supply unit (pure water conductivity ≤ 0.1μs / cm) in the electrolytic hydrogen production system 5 for electrolytic production of hydrogen and oxygen. The hydrogen production system includes various systems that can utilize pure water electrolysis to produce hydrogen.

[0042] The oxygen purified and dried by the electrolytic hydrogen production system 5 is used as the raw gas of the ozone generator 61 to prepare a certain concentration of ozone strong oxidizing bactericidal agent, and the domestic sewage on the ship is regularly deeply treated to meet the discharge standards. The surplus oxygen can be stored in oxygen cylinders to provide protection for the life and health of the crew. The high-purity hydrogen produced by the electrolytic hydrogen production system 5 can be used as the cooling medium of the cooler 33, greatly improving the heat exchange efficiency of the cooler 33.

[0043] The above is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technician familiar with this profession can make some changes or modifications to the technical contents disclosed above without departing from the scope of the technical solution of the present invention, which are equivalent embodiments of equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the protection scope of the technical solution of the present invention.

Claims

1. A new type of ship comprehensive energy utilization system, characterized in that: The invention comprises an engine (1), a waste heat recovery system (2), a power generation system (3) and a multiple-effect distillation system (4), wherein the engine (1) comprises an exhaust manifold (11) and a cylinder jacket cooling pipe, and the waste heat recovery system (2) comprises a first heat exchanger (21) and a second heat exchanger (22), wherein the first heat exchanger (21) is connected to the exhaust manifold (11) and the power generation system (3), recovers waste heat of flue gas in the exhaust manifold (11) and transfers it to the power generation system (3) for power generation, and the second heat exchanger (22) is connected to the cylinder jacket cooling pipe and the multiple-effect distillation system (4), recovers waste heat of coolant in the cylinder jacket cooling pipe and transfers it to the multiple-effect distillation system (4) for converting seawater into fresh water.

2. The new ship integrated energy utilization system according to claim 1, characterized in that: The energy utilization system also includes an electrolytic hydrogen production system (5), the power generation system (3) and the multiple-effect distillation system (4) are both connected to the electrolytic hydrogen production system (5), the power generation system (3) provides electricity to the electrolytic hydrogen production system (5), and the multiple-effect distillation system (4) provides fresh water to the electrolytic hydrogen production system (5), and the electrolytic hydrogen production system (5) electrolyzes fresh water to generate hydrogen and oxygen.

3. The new ship integrated energy utilization system according to claim 2, characterized in that: The electrolytic hydrogen production system (5) comprises a hydrogen storage tank (51) and an oxygen storage tank (52). The hydrogen produced by the electrolytic hydrogen production system (5) is passed into the hydrogen storage tank (51), and the oxygen produced by the electrolytic hydrogen production system (5) is passed into the oxygen storage tank (52).

4. The new ship integrated energy utilization system according to claim 2, characterized in that: The energy utilization system further comprises a sewage treatment system (6), wherein the sewage treatment system (6) comprises an ozone generator (61) and a sewage storage tank (62), wherein the electrolytic hydrogen production system (5), the ozone generator (61) and the sewage storage tank (62) are sequentially connected, wherein the electrolytic hydrogen production system (5) provides oxygen to the ozone generator (61), and the ozone generator (61) converts oxygen into ozone, which is then passed into the sewage storage tank (62) to oxidize the sewage.

5. The new ship integrated energy utilization system according to claim 1, characterized in that: The power generation system (3) comprises a steam turbine (31) and a generator (32); the first heat exchanger (21) is connected to the steam turbine (31); the first heat exchanger (21) transfers heat energy to the steam turbine (31); the steam turbine (31) converts the heat energy into mechanical energy, and transmits the mechanical energy to the generator (32) for power generation.

6. The new ship integrated energy utilization system according to claim 5, characterized in that: The power generation system (3) also includes a cooler (33), which is connected to the steam turbine (31) to cool the steam turbine (31); the energy utilization system also includes an electrolytic hydrogen production system (5), the power generation system (3) and the multiple-effect distillation system (4) are both connected to the electrolytic hydrogen production system (5), the power generation system (3) provides electricity to the electrolytic hydrogen production system (5), the multiple-effect distillation system (4) provides fresh water to the electrolytic hydrogen production system (5), the electrolytic hydrogen production system (5) electrolyzes fresh water to generate hydrogen and oxygen, and the electrolytic hydrogen production system (5) provides hydrogen to the cooler (33) as a cooling medium for the cooler (33).

7. The new ship integrated energy utilization system according to claim 1, characterized in that: The first heat exchanger (21) is a waste heat boiler.

8. The new ship integrated energy utilization system according to claim 1, characterized in that: The multiple-effect distillation system (4) comprises a seawater input pipeline (41), and a seawater pump (42) is provided on the seawater input pipeline (41) to pump the seawater (42) to the multiple-effect distillation system (4).

9. The new ship comprehensive energy utilization system according to claim 1, characterized in that: The multiple-effect distillation system (4) further comprises a fresh water tank (43), and the fresh water prepared by the multiple-effect distillation system (4) is passed into the fresh water tank (43).

10. The new ship integrated energy utilization system according to claim 1, characterized in that: The energy utilization system further comprises a flue gas treatment system (7), wherein the flue gas treatment system (7) is connected to the first heat exchanger (21) and is used for treating the flue gas discharged from the first heat exchanger (21).

Images