CN113697080A - Ship centralized cooling system and ship - Google Patents
Ship centralized cooling system and ship Download PDFInfo
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- CN113697080A CN113697080A CN202110839325.9A CN202110839325A CN113697080A CN 113697080 A CN113697080 A CN 113697080A CN 202110839325 A CN202110839325 A CN 202110839325A CN 113697080 A CN113697080 A CN 113697080A
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- 238000001816 cooling Methods 0.000 title claims abstract description 79
- 239000013505 freshwater Substances 0.000 claims abstract description 177
- 239000002105 nanoparticle Substances 0.000 claims abstract description 104
- 230000001105 regulatory effect Effects 0.000 claims abstract description 10
- 238000000926 separation method Methods 0.000 claims description 33
- 239000013535 sea water Substances 0.000 claims description 24
- 239000012530 fluid Substances 0.000 claims description 21
- 238000001514 detection method Methods 0.000 claims description 11
- 238000012544 monitoring process Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 4
- 230000003750 conditioning effect Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 description 36
- 239000002122 magnetic nanoparticle Substances 0.000 description 6
- 238000009795 derivation Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/38—Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like
- B63H21/383—Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like for handling cooling-water
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- Ocean & Marine Engineering (AREA)
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Abstract
The invention provides a ship centralized cooling system and a ship, wherein the ship centralized cooling system comprises: the system comprises a centralized cooler, a fresh water loop and a nanoparticle regulating system, wherein the fresh water loop is used for flowing through a heat source user and flowing through the centralized cooler, and the nanoparticle regulating system is communicated with the fresh water loop and is used for regulating the concentration of nanoparticles in the fresh water loop when the heat load of the heat source user changes. According to the invention, the nanoparticle adjusting system is arranged in the fresh water loop, so that when the heat load of a heat source user changes, the requirement of the heat source user on the cooling load is realized by adjusting the concentration of nanoparticles in the fresh water loop; the structure is simple, the change of the load in the fresh water loop can be realized without changing the operation of other equipment in the centralized cooling system, the influence of the load change on the operation working conditions of other equipment is reduced, the efficiency of the system is improved, the noise is reduced, and the centralized cooling system can operate efficiently, quietly and reliably.
Description
Technical Field
The invention relates to the technical field of cooling systems, in particular to a centralized cooling system for a ship and the ship.
Background
The marine ship cooling system adopts a centralized cooling technology to change seawater pipelines distributed at each part of a ship cabin into fresh water pipelines, can obviously shorten the length of the seawater pipelines, has great significance for reducing system corrosion pipeline parts and improving the safety reliability and operation, maintenance and economy of the system, and has become an important development trend of green marine ships. The centralized cooling system consists of a seawater loop, a fresh water loop and a centralized cooler, wherein the seawater loop and the fresh water loop are respectively provided with a seawater pump and a fresh water pump for driving fluid on two sides of the centralized cooler to circularly flow, so that the heat of a user is discharged to the marine environment through the fresh water, the centralized cooler and a seawater discharge path.
In the centralized cooling system, the fresh water loop connects each user and the centralized cooler, the fresh water cooling pumps are often required to be equipped for the cooling users on a plurality of branches to provide cooling working media for the cooling users, the heat load of the users often changes according to the actual operation state, and the fresh water pump equipment is also required to be matched with the users to adjust the operation condition, so that the fresh water loop has the characteristics of distributed distribution, more equipment, variable working conditions and the like, particularly when the heat load of the users changes greatly, the operation condition of the fresh water pump needs to be adjusted greatly along with the change, the fresh water pump is easy to deviate from the optimal design working condition point, the operation state of the fresh water pump is poor, and the problems of equipment energy efficiency reduction and vibration noise sudden increase are caused.
Disclosure of Invention
The invention provides a ship centralized cooling system and a ship, which are used for solving the problems of low equipment energy efficiency and sudden increase of vibration noise caused by poor operation condition of a cooling system when the thermal load of a user is greatly changed in the prior art.
The invention provides a ship centralized cooling system, which comprises a centralized cooler, a fresh water loop and a nanoparticle adjusting system, wherein the fresh water loop is used for flowing through a heat source user and flowing through the centralized cooler, and the nanoparticle adjusting system is communicated with the fresh water loop and is used for adjusting the concentration of nanoparticles in the fresh water loop when the heat load of the heat source user changes.
According to the centralized cooling system for the ship, provided by the invention, the nanoparticle regulation system comprises a liquid storage tank for storing nanoparticle fluid, and the liquid storage tank is communicated with the fresh water loop.
According to the centralized cooling system for the ship provided by the invention, the nanoparticle adjusting system further comprises a switch valve, and the switch valve is arranged on a pipeline between the outlet of the liquid storage tank and the fresh water loop.
According to the centralized cooling system for the ship provided by the invention, the nanoparticle adjusting system further comprises a separation device, wherein the separation device is communicated with the fresh water loop and is used for separating and recovering nanoparticles in the fresh water loop.
According to the centralized cooling system for the ship, the outlet of the separation device is communicated with the inlet of the liquid storage tank.
The ship centralized cooling system further comprises a concentration detection device, wherein the concentration detection device is arranged in the fresh water loop and used for monitoring the concentration of nanoparticles in the fresh water loop.
According to the centralized cooling system for the ship provided by the invention, the centralized cooling system further comprises temperature sensors arranged on the fresh water loop, and the temperature sensors are arranged at the inlet end and the outlet end of the centralized cooler or at the inlet end and the outlet end of the heat source user.
The centralized cooling system for the ship further comprises a controller, wherein the temperature sensor and the nanoparticle adjusting system are respectively connected to the controller, and the controller is used for acquiring the heat load change of the fresh water loop according to the temperature information monitored by the temperature sensor and controlling the nanoparticle adjusting system according to the heat load change.
According to the centralized cooling system for the ship, provided by the invention, the centralized cooling system further comprises a seawater loop, and the seawater loop flows through the centralized cooler.
The invention also provides a ship, which comprises the ship centralized cooling system.
According to the ship centralized cooling system and the ship provided by the invention, the nanoparticle adjusting system is arranged in the fresh water loop, and when the heat load of a heat source user is changed, the requirement of the heat source user on the cooling load is realized by adjusting the concentration of the nanoparticles in the fresh water loop.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a centralized cooling system for a ship according to the present invention;
FIG. 2 is a second schematic structural view of the centralized cooling system for ships according to the present invention;
reference numerals:
1: a sea water pump; 2: a centralized cooler; 3: a fresh water pump;
4: a fresh water circuit; 5: a heat source user; 6: a separation device;
7: a liquid storage tank; 8: a concentration detection device; 9: an on-off valve;
10: a seawater loop.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A concentrated cooling system for a ship and a ship according to the present invention will be described with reference to fig. 1 to 2.
Referring to fig. 1 and 2, the present embodiment provides a centralized cooling system for a ship, including: the system comprises a centralized cooler 2, a fresh water loop 4 and a nanoparticle regulating system, wherein the fresh water loop 4 is used for flowing through a heat source user 5 and flowing through the centralized cooler 2, and the nanoparticle regulating system is communicated with the fresh water loop 4 and is used for regulating the concentration of nanoparticles in the fresh water loop 4 when the heat load of the heat source user 5 changes.
The ship centralized cooling system provided by the embodiment comprises a centralized cooler 2, a fresh water loop 4 and a nanoparticle adjusting system, wherein the fresh water loop 4 is a pipeline for circulating fresh water between a heat source user 5 and the centralized cooler 2, namely the fresh water enters the heat source user 5 after being cooled by the centralized cooler 2, and is cooled by the centralized cooler 2 after heat is exchanged by the heat source user 5; specifically, the fresh water loop 4 is provided with a fresh water pump 3, and the fresh water pump 3 drives the fresh water on the two sides of the centralized cooler 2 to circularly flow by using the supercharging principle, namely the fresh water pump 3 drives the fresh water in the fresh water loop 4 to circularly flow in the fresh water loop 4; the nanoparticle regulation system is used to regulate the concentration of nanoparticles in the fresh water circuit 4.
Further, when the heat load of the heat source user 5 changes, the nanoparticle adjusting system can change the conductivity and the heat transfer coefficient of the fresh water in the fresh water loop by increasing or decreasing the concentration of the nanoparticles in the fresh water loop 4, and further change the requirement of the heat source user 5 on the cooling load according to the change of the concentration of the nanoparticles in the fresh water loop 4.
According to the embodiment, the nanoparticle adjusting system is arranged in the fresh water loop, when the heat load of a heat source user changes, the requirement of the heat source user on the cooling load is met by adjusting the concentration of nanoparticles in the fresh water loop, the structure is simple, the change of the load in the fresh water loop can be achieved without changing the operation of other structures in the system, the influence of the load change on the operation working conditions of other equipment is reduced, the efficiency of the system is improved, the noise is reduced, and the concentrated cooling system can operate efficiently, quietly and reliably.
According to the embodiment, the concentration of the nano particles in the fresh water loop 4 is changed according to the change of the heat load of the heat source user, so that the requirement of the heat source user 5 on the cooling load is met, and compared with the prior art that the derivation requirement of the heat load is met by adjusting the operation condition of the fresh water pump 3, the adjustment of the operation condition of the fresh water pump 3 can be avoided, the vibration noise in the concentrated cooling system is reduced, and the ship concentrated cooling system runs quietly.
Further, the nanoparticle conditioning system comprises a reservoir 7 for storing nanoparticle fluid, the reservoir 7 being in communication with the fresh water circuit 4. Specifically, the nanoparticle adjustment system comprises a liquid storage tank 7, the liquid storage tank 7 is communicated with the fresh water loop 4, when the heat load of the heat source user 5 is increased, nanoparticle fluid in the liquid storage tank 7 is controlled to be conveyed into the fresh water loop 4, the concentration of nanoparticles in the fresh water loop 4 is changed, the cooling load in the fresh water loop 4 is increased, and the heat conduction requirement of the heat source user 5 is further met.
On the basis of the above embodiment, the nanoparticle regulation system further includes a switch valve 9, and the switch valve 9 is disposed in the pipeline between the outlet of the liquid storage tank 7 and the fresh water loop 4.
Specifically, the outlet of the liquid storage tank 7 is connected with the fresh water loop 4 through a pipeline, the switch valve 9 is arranged on the pipeline between the outlet of the liquid storage tank 7 and the fresh water loop 4, the switch valve 9 is used for limiting the flow of the nanoparticle fluid in the liquid storage tank 7 to the fresh water loop 4, namely, the switch valve 9 is opened, the nanoparticle fluid in the liquid storage tank 7 can flow to the fresh water loop 4 according to the set parameters, the switch valve 9 is closed, and the nanoparticle fluid in the liquid storage tank 7 stops flowing to the fresh water loop 4.
This embodiment is through setting up ooff valve 9 on the pipeline between the export of liquid reserve tank 7 and fresh water return circuit 4, can effectively restrict the nanoparticle fluid flow direction in the liquid reserve tank 7 fresh water return circuit 4, simple structure, convenient operation can effectively control the fluidic flow of nanoparticle.
In this embodiment, the arrangement of the on-off valve 9 is not particularly limited, and the opening and closing of the liquid storage tank 7 may be effectively controlled.
Further, a flow control valve is arranged in a pipeline between the liquid storage tank 7 and the switch valve 9 and used for limiting the speed of the nanoparticle fluid. Specifically, the opening of the flow control valve can be selected according to the requirement, the speed of the nanoparticle fluid in the liquid storage tank 7 entering the fresh water loop 4 is controlled, and the concentration of the nanoparticle fluid in the fresh water loop 4 can be controlled more accurately.
On the basis of the above embodiment, the nanoparticle regulating system further includes a separation device 6, and the separation device 6 is connected to the fresh water circuit 4, that is, the separation device 6 is disposed in the fresh water circuit 4 and is used for separating and recovering nanoparticles in the fresh water circuit 4.
In one embodiment, the separation device 6 is connected to the line between the heat source users 5 and the central cooler 2, as shown in fig. 1. In another embodiment, the separation device 6 is in communication with the fresh water circuit 4 via a pipeline, as shown in fig. 2.
Further, the outlet of the separation device 6 is communicated with the inlet of the liquid storage tank 7, namely, the outlet of the separation device 6 is communicated with the inlet of the liquid storage tank 7 through a pipeline, so that the nanoparticles separated by the separation device 6 are conveyed into the liquid storage tank 7, the nanoparticles are recycled, and resources are saved.
In one embodiment, the separation device 6 is disposed in the fresh water circuit 4, and specifically, referring to fig. 1, when the heat load of the heat source user 5 increases, the on-off valve 9 on the pipeline between the outlet of the liquid storage tank 7 and the fresh water circuit 4 is opened, the nanoparticle fluid in the liquid storage tank 7 flows to the fresh water circuit 4, the concentration of the nanoparticles in the fresh water circuit 4 is changed, the cooling load in the fresh water circuit 4 is increased, and the heat exchange between the heat source user 5 and the centralized cooler 2 is satisfied; when the heat load of the heat source user 5 is reduced, the switch valve 9 is closed, the nanoparticle fluid in the liquid storage tank 7 is prevented from flowing to the fresh water loop 4, the separation device 6 is opened, the separation device 6 separates the nanoparticles in the fresh water loop 4, the separated nanoparticles are conveyed into the liquid storage tank 7, the concentration of the nanoparticles in the fresh water loop 4 is reduced, the cooling load in the fresh water loop 4 is reduced, and the requirement of the heat source user 5 on the cooling load is further met.
In a preferred embodiment, referring to fig. 1, the separation device 6 is an electromagnetic separation device, and the reservoir 7 stores a magnetic nanoparticle fluid. When the heat load of the heat source user 5 is increased, the switch valve 9 is opened, the magnetic nanoparticle fluid flows into the fresh water loop 4, and the concentration of the magnetic nanoparticles in the fresh water loop 4 is increased; when the heat load of the heat source user 5 is reduced, the switch valve 9 is closed, the electromagnetic separation device adsorbs the magnetic nanoparticles in the fresh water loop 4, and the adsorbed magnetic nanoparticles are conveyed to the middle liquid storage tank 7 for recycling, so that the resources are saved. Further, when the separation device 6 is an electromagnetic separation device, the nanoparticle regulation system is a magnetic nanoparticle regulation system.
In another embodiment, referring to fig. 2, the separation device 6 is a centrifugal separation device, and the tank 7 stores a heavy or light nanoparticle fluid. Further, when the heat load of the heat source user 5 is reduced, the centrifugal separation device separates the heavy or light nanoparticles in the fresh water circuit 4 by the centrifugal force, and conveys the heavy or light nanoparticles to the liquid storage tank 7, thereby reducing the concentration of the nanoparticles in the fresh water circuit 4.
In this embodiment, the separation device is not particularly limited, and the nanoparticles in the fresh water circuit may be separated from the fresh water to reduce the concentration of the nanoparticles in the fresh water circuit 4.
In this embodiment, the nanoparticles are not particularly limited, and the concentration of the nanoparticles in the fresh water circuit 4 can be reduced by separating the nanoparticles from the fresh water circuit by the separation device 6, and the conductivity of the fresh water can be changed, so that the concentration of the fresh water can be obtained by the concentration detection device according to the change of the conductivity of the fresh water.
In the embodiment, the outlet of the liquid storage tank 7 is communicated with the fresh water loop 4, so that the concentration of nano particles in the fresh water loop 4 can be increased, and the cooling load in the fresh water loop 4 can be increased; the switch valve 9 is arranged on the pipeline between the outlet of the liquid storage tank 7 and the fresh water loop 4, so that the nanoparticle fluid in the liquid storage tank 7 can be prevented from entering the fresh water loop 4, the nanoparticles in the fresh water loop 4 are separated and recovered by arranging the separation device 6 on the fresh water loop 4, the concentration of the nanoparticles in the fresh water loop 4 is reduced, and the cooling load in the fresh water loop 4 is further reduced. The structure is simple, the operation is convenient, and the exporting requirements of different heat loads of the heat source user 5 can be met under the condition that the operation of other equipment of the centralized cooling system is not changed.
On the basis of the foregoing embodiment, the concentrated cooling system for a ship provided in this embodiment further includes a concentration detection device 8, where the concentration detection device 8 is disposed in the fresh water circuit 4 and is used for monitoring the concentration of nanoparticles in the fresh water circuit 4.
When the heat loads of the heat source users 5 are different, the required cooling loads are different, that is, when the heat loads of the heat source users 5 are different, the concentrations of the nanoparticles in the fresh water circuit 4 are different, that is, the concentrations of the nanoparticles in the fresh water circuit 4 correspond to the cooling loads required by the heat source users 5 one by one. In the embodiment, the concentration detection device 8 is arranged on the fresh water loop 4, and the concentration detection device 8 determines the concentration of the nanoparticles in the fresh water loop 4 by monitoring the change of the conductivity of the fresh water in the fresh water loop 4, so that the cooling load in the fresh water loop 4 is changed, and the derivation of different heat loads of the heat source user 5 is met.
Specifically, when the heat load of the heat source user 5 is increased, the nanoparticle fluid in the liquid storage tank 7 flows into the fresh water loop 4, the concentration detection device 8 monitors the change of the conductivity of the fresh water in the fresh water loop 4 in real time to determine the concentration of the nanoparticles in the fresh water loop 4, and when the concentration of the nanoparticles in the fresh water loop 4 corresponds to the cooling load required by the heat source user 5, the switch valve 9 is closed to prevent the nanoparticle fluid in the liquid storage tank 7 from flowing into the fresh water loop 4, so that the concentration of the nanoparticles in the fresh water loop 4 is kept unchanged, and the heat conduction requirement of the heat source user 5 is met; when the heat load of the heat source user 5 is reduced, the switch valve 9 is in a closed state, the separation device 6 is opened, the nanoparticles in the fresh water loop 4 are adsorbed, the adsorbed nanoparticles are conveyed to the liquid storage tank 7, the concentration detection device 8 monitors the change of the conductivity of the fresh water in the fresh water loop 4 in real time to determine the concentration of the nanoparticles in the fresh water loop 4, and when the concentration of the nanoparticles in the fresh water loop 4 corresponds to the cold load required by the heat source user 5, the separation device 6 is stopped to separate the nanoparticles in the fresh water loop 4, so that the concentration of the nanoparticles in the fresh water loop 4 is kept unchanged, and the derivation requirement of the heat load of the heat source user 5 is met.
On the basis of the above embodiment, the centralized cooling system for a ship provided in this embodiment further includes temperature sensors disposed in the fresh water loop 4, and the temperature sensors are correspondingly disposed at the inlet end and the outlet end of the centralized cooler 2, or at the inlet end and the outlet end of the heat source user 5, and the temperature sensors are configured to obtain the heat load change of the fresh water loop 4 according to the temperature change of the fresh water loop 4 at the inlet end and the outlet end of the centralized cooler 2; or temperature sensors, for obtaining the thermal load variation of the fresh water circuit 4 from the temperature variation of the fresh water circuit 4 at the inlet and outlet ends of the heat source user 5.
The cooling load required by the heat source user 5 is closely related to the temperature difference in the fresh water loop 4, and the temperature sensor is arranged on the fresh water loop 4 to monitor the temperature change on the fresh water loop 4; further, since the pipe itself can dissipate heat, the temperature sensor is provided near the concentrated cooler 2 or the heat source user 5 in order to reduce errors.
In a preferred embodiment, the centralized cooling system for a ship is provided with two temperature sensors, the two temperature sensors are correspondingly arranged at the inlet end and the outlet end of the heat source user 5, and are respectively used for monitoring the temperature of the fresh water circuit 4 at the inlet end and the outlet end of the heat source user 5, calculating the heat exchange amount of the fresh water circuit before and after the heat source user according to the temperature difference between the outlet end and the inlet end of the heat source user 5, the heat capacity and the fresh water flow in the fresh water circuit, and obtaining the heat load change of the heat source user 5 according to the heat exchange amount, namely the heat load of the heat source user 5 is equal to the product of the temperature difference of the fresh water circuit between the outlet end and the inlet end of the heat source user and the heat capacity and the flow.
In another embodiment, two temperature sensors are correspondingly disposed at the inlet end and the outlet end of the centralized cooler 2, and are respectively used for monitoring the temperatures of the fresh water circuit 4 at the inlet end and the outlet end of the centralized cooler 2, and calculating the cooling load of the centralized cooler 2 according to the temperature difference between the inlet end and the outlet end of the centralized cooler, the heat capacity, and the fresh water flow rate in the fresh water circuit, so as to meet the heat load derivation requirement of the heat source user 5.
In this embodiment, the installation position of the temperature sensor is not specifically limited, and the heat load change of the fresh water circuit 4 may be obtained according to the temperature change monitored by the temperature sensor.
On the basis of the above embodiment, the centralized cooling system for a ship further includes a controller, the temperature sensor and the nanoparticle adjusting system are respectively connected to the controller, and the controller is configured to obtain a heat load change of the fresh water loop 4 according to temperature information monitored by the temperature sensor, and control the nanoparticle adjusting system according to the heat load change. Specifically, the controller is configured to obtain a heat load change of the fresh water circuit 4 according to a temperature change of the fresh water circuit 4 between an inlet end and an outlet end of the centralized cooler 2 or a temperature change of the heat source user 5 between the inlet end and the outlet end, and control the nanoparticle adjustment system to adjust the concentration of the nanoparticles in the fresh water circuit 4 according to the heat load change, so as to meet a demand for deriving the heat load of the heat source user 5.
In one embodiment, the ship centralized cooling system is provided with a temperature sensor, a nano-regulation system and a controller, wherein the controller is respectively connected with the temperature sensor and the nano-particle regulation system; specifically, one end of the temperature sensor is connected with the fresh water loop 4, the other end of the temperature sensor is connected with the controller, the temperature sensor is used for monitoring the temperature change of the fresh water loop 4 between the inlet end and the outlet end of the centralized cooler 2, or monitoring the temperature change of the fresh water loop 4 between the inlet end and the outlet end of the heat source user 5, the controller obtains the change of the heat load of the heat source user 5 according to the temperature change information monitored by the temperature sensor, and then the nanoparticle adjusting system is controlled to adjust the concentration of nanoparticles in the fresh water loop 4 to meet the requirement of the heat source user 5 on the cooling load.
On the basis of the above embodiments, the ship cooling system provided in this embodiment further includes a seawater loop 10, where the seawater loop 10 flows through the centralized cooler 2, that is, a pipeline through which seawater circulates through the centralized cooler 2 is the seawater loop 10; furthermore, a sea water pump 1 is arranged on a pipeline between the sea water and an inlet of the centralized cooler 2, the sea water pump 1 is used for driving the sea water on two sides of the centralized cooler 2 to circularly flow, the sea water enters the centralized cooler 2 through the sea water pump 1, and returns to the sea after heat exchange is carried out in the centralized cooler 2, namely the sea water pump drives the sea water in the sea water loop 10 to circularly flow, so that the structure is simple, resources are saved, and cooling can be effectively realized.
In this embodiment, the arrangement position of the liquid storage tank 7 and the arrangement position of the separation device 6 are not particularly limited, the liquid storage tank 7 may be arranged at the inlet of the concentrated cooler 2, and the separation device 6 is arranged in the pipeline between the outlet of the concentrated cooler 2 and the fresh water pump 3, as shown in fig. 1; the reservoir 7 and the separating device 6 may also both be provided at the inlet of the central cooler 2, as shown in fig. 2.
According to the ship centralized cooling system provided by the embodiment, the concentration of nanoparticles in the fresh water loop 4 is changed by injecting nanoparticle fluid into the fresh water loop 4 or separating the nanoparticles, so that the load export requirement of a user in different running states is met under the condition that the optimal running rotating speed is kept by the fresh water pump 3, the energy efficiency of the fresh water pump 3 and the whole centralized cooling system is improved, the centralized cooling system runs quietly and reliably, and the fault rate of the system is reduced.
The embodiment also provides a ship, which comprises the ship centralized cooling system in any one of the above embodiments, and further comprises a driving device for driving the operation of the ship.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A concentrated cooling system for a ship, comprising: the system comprises a centralized cooler, a fresh water loop and a nanoparticle regulating system, wherein the fresh water loop is used for flowing through a heat source user and flowing through the centralized cooler, and the nanoparticle regulating system is communicated with the fresh water loop and is used for regulating the concentration of nanoparticles in the fresh water loop when the heat load of the heat source user changes.
2. The concentrated marine cooling system of claim 1, wherein the nanoparticle conditioning system comprises a tank for storing nanoparticle fluid, the tank being in communication with the fresh water circuit.
3. The concentrated cooling system for ships according to claim 2, wherein the nanoparticle regulation system further comprises a switch valve disposed in the pipeline between the outlet of the tank and the fresh water circuit.
4. The concentrated cooling system for ships according to claim 2, wherein the nanoparticle conditioning system further comprises a separation device, the separation device is communicated with the fresh water circuit and is used for separating and recovering nanoparticles in the fresh water circuit.
5. The concentrated marine cooling system of claim 4, wherein the outlet of the separation device is in communication with the inlet of the tank.
6. The concentrated cooling system for ships according to any one of claims 1 to 5, further comprising a concentration detection device disposed in the fresh water loop for monitoring the concentration of nanoparticles in the fresh water loop.
7. The concentrated cooling system for ships according to any one of claims 1 to 5, further comprising temperature sensors disposed in the fresh water loop, wherein the temperature sensors are disposed at the inlet and outlet ends of the concentrated cooler or at the inlet and outlet ends of the heat source user.
8. The concentrated cooling system for ships according to claim 7, further comprising a controller, wherein the temperature sensor and the nanoparticle adjustment system are respectively connected to the controller, and the controller is configured to obtain a thermal load change of the fresh water circuit according to the temperature information monitored by the temperature sensor and control the nanoparticle adjustment system according to the thermal load change.
9. The concentrated cooling system of claim 1, further comprising a seawater loop that flows through the concentrated cooler.
10. A ship comprising the concentrated cooling system for a ship according to any one of claims 1 to 9.
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| CN202110839325.9A CN113697080A (en) | 2021-07-23 | 2021-07-23 | Ship centralized cooling system and ship |
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| CN202110839325.9A CN113697080A (en) | 2021-07-23 | 2021-07-23 | Ship centralized cooling system and ship |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1760777A (en) * | 2005-11-03 | 2006-04-19 | 上海交通大学 | Central control system in signals chip for cooling shipping |
| JP2010269641A (en) * | 2009-05-20 | 2010-12-02 | Ihi Marine United Inc | Central fresh water cooling system |
| CN102180256A (en) * | 2010-12-30 | 2011-09-14 | 上海佳豪船舶工程设计股份有限公司 | Automatic temperature-control variable flow type central cooling system for ship |
| CN203012400U (en) * | 2012-11-27 | 2013-06-19 | 大连海事大学 | Intelligent low-temperature fresh-water dispatching apparatus for ship |
| CN103935501A (en) * | 2014-02-18 | 2014-07-23 | 纪玉龙 | Ship efficient self-cooling method free of sea water pump |
| CN106150651A (en) * | 2016-08-31 | 2016-11-23 | 华南理工大学 | Be suitable to the reconstructing method of nanometer magnetofluid cooling circulation |
| JP2018034763A (en) * | 2016-09-02 | 2018-03-08 | 住友重機械マリンエンジニアリング株式会社 | Cooling system for central fresh water of marine vessel |
-
2021
- 2021-07-23 CN CN202110839325.9A patent/CN113697080A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1760777A (en) * | 2005-11-03 | 2006-04-19 | 上海交通大学 | Central control system in signals chip for cooling shipping |
| JP2010269641A (en) * | 2009-05-20 | 2010-12-02 | Ihi Marine United Inc | Central fresh water cooling system |
| CN102180256A (en) * | 2010-12-30 | 2011-09-14 | 上海佳豪船舶工程设计股份有限公司 | Automatic temperature-control variable flow type central cooling system for ship |
| CN203012400U (en) * | 2012-11-27 | 2013-06-19 | 大连海事大学 | Intelligent low-temperature fresh-water dispatching apparatus for ship |
| CN103935501A (en) * | 2014-02-18 | 2014-07-23 | 纪玉龙 | Ship efficient self-cooling method free of sea water pump |
| CN106150651A (en) * | 2016-08-31 | 2016-11-23 | 华南理工大学 | Be suitable to the reconstructing method of nanometer magnetofluid cooling circulation |
| JP2018034763A (en) * | 2016-09-02 | 2018-03-08 | 住友重機械マリンエンジニアリング株式会社 | Cooling system for central fresh water of marine vessel |
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Application publication date: 20211126 |