CN110539870A - Self-flowing cooling system and ship - Google Patents
Self-flowing cooling system and ship Download PDFInfo
- Publication number
- CN110539870A CN110539870A CN201910911706.6A CN201910911706A CN110539870A CN 110539870 A CN110539870 A CN 110539870A CN 201910911706 A CN201910911706 A CN 201910911706A CN 110539870 A CN110539870 A CN 110539870A
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- pump body
- water
- cooling system
- flowing
- self
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- 238000001816 cooling Methods 0.000 title claims abstract description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 79
- 239000000498 cooling water Substances 0.000 claims abstract description 41
- 238000004146 energy storage Methods 0.000 claims abstract description 28
- 230000005484 gravity Effects 0.000 claims abstract description 24
- 230000005611 electricity Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000010248 power generation Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 239000013535 sea water Substances 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention relates to the technical field of ship cooling systems, and provides a self-flowing cooling system and a ship, wherein the self-flowing cooling system comprises a pump body and a cooler which are sequentially arranged along the flowing direction of cooling water, and an energy storage module; the water inlet of the pump body is communicated with a self-flowing water source, the water outlet of the pump body is connected with the water inlet of the cooler, and the water outlet of the cooler is communicated with the outside; the energy storage module is connected with the pump body and used for storing electric energy. According to the self-flowing cooling system provided by the invention, the energy storage module is arranged, so that when the self-flowing flow is larger than the cooling water demand, the energy storage module can convert redundant self-flowing energy into electric energy and store the electric energy, and the full utilization of energy is realized; in addition, in the power generation process, the system resistance can be increased, so that the gravity flow is reduced until the gravity flow is balanced with the cooling water demand, the power of the energy storage module for converting the electric energy is kept constant, the matching between the gravity flow and the cooling water demand is realized, and the gravity flow cooling system works normally.
Description
Technical Field
The invention relates to the technical field of ship cooling systems, in particular to a self-flowing cooling system and a ship.
Background
The cooling system of the ship is an important link for ensuring the safe and reliable operation of the power device of the ship, and most of heat generated by the power system of the ship during the operation of a diesel engine or a steam power system, auxiliary equipment and the like needs to be transferred to cooling water through the cooling system of the ship and discharged out of the ship. With the development of large advanced ships, the cooling water quantity required by the ships is continuously increased, and the ship cooling water pump is one of main energy consumption parts of a ship power system, so that the energy consumption and the noise are high, and the development of green ships is not facilitated. In order to reduce the power consumption, the operating cost and the noise of the cooling water pump, a gravity flow type cooling water system is adopted in part of modern green ships and high-speed ships to provide cooling water for a central cooler or a condenser, the hydrodynamic pressure head generated by the relative motion of a ship body and seawater during the ship navigation overcomes the resistance of a ship cooling system, the ship is cooled, and the pump-stopping operation of the cooling system is realized in a wider navigation speed range.
At present, when the gravity flow is larger than the cooling water demand, in order to not influence the normal operation of a cooler, a resistance part is often added to adjust the gravity flow so as to realize the flow supply and demand balance. However, the adoption of the scheme is equivalent to increase the resistance of the gravity flow cooling system, so that part of the gravity flow capacity is wasted, and meanwhile, the noise and the fault risk of the gravity flow cooling system are increased due to the existence of the resistance part.
Disclosure of Invention
Technical problem to be solved
The invention provides a self-flowing cooling system and a ship, and aims to solve the technical problem that when the self-flowing flow of the self-flowing cooling system in the prior art is not matched with the cooling water demand, the part of the self-flowing flow exceeding the cooling water demand cannot be effectively utilized.
(II) technical scheme
In order to solve the technical problem, an embodiment of the invention provides a self-flowing cooling system, which comprises a pump body and a cooler which are sequentially arranged along the flowing direction of cooling water, and further comprises an energy storage module; the water inlet of the pump body is communicated with a self-flowing water source, the water outlet of the pump body is connected with the water inlet of the cooler, and the water outlet of the cooler is communicated with the outside; the energy storage module is connected with the pump body and used for storing electric energy.
The energy storage module comprises a coupler, a generator and a storage battery; the rotating shaft of the pump body is connected with a generator through a coupler, and the generator is electrically connected with the input port of the storage battery.
Wherein, the delivery outlet of battery is connected with the pump body electricity.
Wherein the free-flowing cooling system further comprises a main energy supply system; the main energy supply system is electrically connected with the input port of the storage battery and the pump body.
wherein the free-flowing cooling system further comprises a filter; the water outlet of the filter is connected with the water inlet of the pump body, and the water inlet of the filter is communicated with a self-flowing water source.
the gravity flow cooling system also comprises a first control valve arranged at the water inlet of the filter.
The gravity flow type cooling system also comprises a second control valve arranged at the water outlet of the cooler.
A ship comprising the free-flowing cooling system; a water inlet channel is arranged at the bottom or below the side of the ship, one end of the water inlet channel is communicated with the water inlet of the pump body, and the other end of the water inlet channel is communicated with the outside and faces the driving direction of the ship body to form a self-flowing water source; the bottom of the ship is provided with a water outlet channel, one end of the water outlet channel is communicated with a water outlet of the cooler, and the other end of the water outlet channel is communicated with the outside.
Wherein, the water inlet channel is arranged close to the bow of the ship, and the water outlet channel is arranged close to the stern of the ship.
Wherein, the one end that the water inlet channel is kept away from the pump body extends outwards, stretches out the hull of boats and ships.
(III) advantageous effects
According to the self-flowing cooling system provided by the invention, the energy storage module is arranged, so that when the self-flowing flow is larger than the cooling water demand, the energy storage module can convert the redundant energy of the self-flowing flow into electric energy and store the electric energy, and the full utilization of the energy is realized; in addition, in the power generation process, the rotating resistance of the pump body can be increased, so that the gravity flow rate is reduced until the gravity flow rate is balanced with the cooling water demand, the rotating resistance of the pump body is kept constant, the rotating speed of the pump body is kept constant, the power of the energy storage module for converting the electric energy is kept constant, the gravity flow rate is matched with the cooling water demand, and the gravity flow type cooling system works normally.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the free-flow cooling system provided by the present invention;
FIG. 2 is a schematic partial block diagram of an embodiment of a free-flow cooling system provided by the present invention;
In the figure, 1-ship; 2-a water inlet channel; 3-a first control valve; 4-a filter; 5-a pump body; 6, an energy storage module; 6-1-coupler; 6-2-generator; 6-3-storage battery; 7-a cooler; 8-a second control valve; 9-a water outlet channel; 10-main energy supply system.
Detailed Description
the following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1, an embodiment of the present invention provides a free-flow cooling system, which includes a pump body 5 and a cooler 7 sequentially arranged along a flow direction of cooling water, and further includes an energy storage module 6; the water inlet of the pump body 5 is communicated with a self-flowing water source, the water outlet of the pump body 5 is connected with the water inlet of the cooler 7, and the water outlet of the cooler 7 is communicated with the outside; the energy storage module 6 is connected with the pump body 5 and used for storing electric energy.
Specifically, for example, the pump body 5 and the cooler 7 are connected to each other through a pipeline, and cooling water enters from a water inlet of the pump body 5, flows through the cooler 7, exchanges heat, and is discharged; when the free flow is larger than the demand of cooling water, the cooling water flows through the pump body 5 before entering the cooler 7, the pump body 5 rotates passively under the pushing action of the cooling water, and at the moment, the energy storage module 6 connected with the pump body 5 can convert the mechanical energy of the rotation of the pump body 5 into electric energy and store the electric energy, so that when the free flow is smaller than the demand of the cooling water and the pump body 5 needs to be started to increase the flow rate of the cooling water, the electric energy stored in the energy storage module 6 can be used as an electric power source for the work of the pump body 5, and the energy of redundant cooling water is effectively utilized when the free flow is larger than the demand of the cooling water.
According to the self-flowing cooling system provided by the invention, the energy storage module 6 is arranged, so that when the self-flowing flow is larger than the cooling water demand, the energy storage module 6 can convert the redundant energy of the self-flowing flow into electric energy and store the electric energy, and the full utilization of the energy is realized; in the process of power generation, the rotating resistance of the pump body 5 can be increased, so that the gravity flow rate is reduced until the gravity flow rate is balanced with the cooling water demand, the rotating resistance of the pump body 5 is kept constant, the rotating speed of the pump body 5 is kept constant, the power of the energy storage module 6 for converting the electric energy is kept constant, and the gravity flow type cooling system works normally.
As shown in fig. 2, further, the energy storage module 6 includes a coupling 6-1, a generator 6-2 and a storage battery 6-3; the rotating shaft of the pump body 5 is connected with the generator 6-2 through the coupling 6-1, and the generator 6-2 is electrically connected with the input port of the storage battery 6-3. Specifically, for example, the rotating shaft of the pump body 5 can be connected with the rotating shaft of the generator 6-2 through the coupling 6-1, so that the pump body 5 can drive the generator 6-2 to generate electricity when rotating, and the generated electricity can be stored in the storage battery 6-3. When the free-flow rate is larger than the cooling water demand, the coupler 6-1 is connected, and the redundant cooling water is used for generating electricity; when the free flow is less than the cooling water demand, the coupling 6-1 is disconnected, the pump body 5 works, the power generation is stopped at the moment, and the storage battery 6-3 can be used as a power supply for the pump body 5 to work.
further, the outlet of the accumulator 6-3 is electrically connected with the pump body 5. Specifically, for example, the pump body 5 and the battery 6-3 may be connected by a wire.
Further, the free-flowing cooling system also comprises a main energy supply system 10; the main energy supply system 10 is electrically connected with the input port of the storage battery 6-3, and the main energy supply system 10 is electrically connected with the pump body 5. Specifically, for example, in order to improve the reliability of the whole gravity flow cooling system, the storage battery 6-3 can be communicated with the main energy supply system 10 through a wire, and when the electric quantity in the storage battery 6-3 is insufficient, the main energy supply system 10 can charge the storage battery 6-3 in time; in addition, the main energy supply system 10 can be connected with the pump body 5 through a wire, so that when the whole energy storage module 6 is broken down or the electric quantity of the storage battery 6-3 is insufficient, the main energy supply system 10 can directly drive the pump body 5 to work; wherein, when the main body is the ship 1, the main energy supply system 10 refers to the power supply system of the whole ship 1.
Further, the free-flow cooling system further comprises a filter 4; the water outlet of the filter 4 is connected with the water inlet of the pump body 5, and the water inlet of the filter 4 is communicated with a self-flowing water source. With this arrangement, it is possible to prevent the pump body 5 or the cooler 7 from being clogged with foreign matters or foreign substances in the cooling water.
Further, the free-flow cooling system further comprises a first control valve 3 disposed at the water inlet of the filter 4. Further, the free-flow cooling system further comprises a second control valve 8 arranged at the water outlet of the cooler 7. Specifically, for example, the first control valve 3 and the second control valve 8 may be both check valves, which is beneficial to keep the whole gravity flow cooling system working orderly.
A ship 1 comprising the above-described free-flow cooling system; a water inlet channel 2 is arranged at the bottom or below the side of the ship 1, one end of the water inlet channel 2 is communicated with a water inlet of a pump body 5, and the other end of the water inlet channel 2 is communicated with the outside and faces the driving direction of the ship body to form a artesian water source; the bottom of the ship 1 is provided with a water outlet channel 9, one end of the water outlet channel 9 is communicated with the water outlet of the cooler 7, and the other end of the water outlet channel 9 is communicated with the outside.
Specifically, for example, the water intake channel 2 should be arranged to ensure that seawater can submerge the end of the water intake channel 2 far away from the pump body 5 when the ship 1 is underway; for example, to facilitate the inflow of seawater, the end of the intake passage 2 remote from the pump body 5 may be directed toward the direction of travel of the ship 1.
When the energy storage module is used, whether the energy storage module 6 normally operates is checked firstly, if the energy storage module cannot normally operate, the main energy supply system 10 needs to be connected to drive the pump body 5, and the cooling work is guaranteed to be safely carried out. If the energy storage module 6 runs normally, when the gravity flow is matched with the cooling water demand, the coupler 6-1 is disconnected, and the gravity flow cooling water exchanges heat with the cooler 7. When the free flow is larger than the cooling water demand, the coupler 6-1 is connected, the generator 6-2 runs to generate power and charges the storage battery 6-3 for standby, and meanwhile, the pump body 5 rotates passively, the resistance is increased, and the free flow is reduced until the free flow is matched with the cooling water demand. When the free flow is smaller than the cooling water demand, whether the energy of the storage battery 6-3 is sufficient or not is checked, if the energy of the storage battery 6-3 is insufficient, the pump body 5 is driven to operate by the main energy supply system 10, and if the energy of the storage battery 6-3 is sufficient, the pump body 5 is supplied with energy by the storage battery 6-3, so that the cooling water demand of the cooler 7 is met.
Further, the water inlet channel 2 is arranged close to the bow of the ship 1, and the water outlet channel 9 is arranged close to the stern of the ship 1. According to the arrangement, the seawater can conveniently enter the self-flowing cooling system, and the seawater subjected to heat exchange is conveniently discharged from the self-flowing cooling system.
Further, the end of the water inlet channel 2 remote from the pump body 5 extends outwards, protruding out of the hull of the water craft 1. Specifically, for example, one end of the water inlet channel 2, which is far away from the pump body 5, may be in a horn shape, a large mouth end of the horn shape extends downwards out of the hull, and the large mouth end of the horn shape faces the traveling direction of the ship 1; the horn-shaped small opening end can be connected with the pump body 5 through a pipeline; the first control valve 3 and the filter 4 can be connected to this line.
as can be seen from the above embodiments, the free-flow cooling system according to the present invention includes the following components
Has the advantages that:
1, accurate matching of the self-flowing flow and the cooling water requirement can be realized, and redundant self-flowing cooling capacity is converted into electric energy to be stored;
2, when the navigational speed is too low or the navigational speed is too high, the self-flowing flow is difficult to meet the requirement of the cooling water flow of the cooler, the stored electric energy can be used as a power source of the pump body, the energy consumption of the pump body is reduced, and the energy utilization rate is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. the gravity flow type cooling system comprises a pump body and a cooler which are sequentially arranged along the flowing direction of cooling water, and is characterized by further comprising an energy storage module;
The water inlet of the pump body is communicated with a self-flowing water source, the water outlet of the pump body is connected with the water inlet of the cooler, and the water outlet of the cooler is communicated with the outside;
The energy storage module is connected with the pump body and used for storing electric energy.
2. The free-flow cooling system of claim 1, wherein the energy storage module comprises a coupling, a generator, and a battery;
The rotating shaft of the pump body is connected with the generator through the coupler, and the generator is electrically connected with the input port of the storage battery.
3. The free-flow cooling system of claim 2, wherein the outlet of the battery is electrically connected to the pump body.
4. the free-flow cooling system of claim 2, further comprising a primary energy supply system;
The main energy supply system with the input port electricity of battery is connected, main energy supply system with the pump body electricity is connected.
5. The free-flow cooling system of claim 1, further comprising a filter;
the water outlet of the filter is connected with the water inlet of the pump body, and the water inlet of the filter is communicated with a self-flowing water source.
6. the free-flow cooling system of claim 5, further comprising a first control valve disposed at a water inlet of the filter.
7. The free-flow cooling system of claim 1, further comprising a second control valve disposed at a water outlet of the cooler.
8. A marine vessel comprising the free-flowing cooling system of any one of claims 1 to 7;
A water inlet channel is arranged at the bottom or below the side of the ship, one end of the water inlet channel is communicated with the water inlet of the pump body, the other end of the water inlet channel is communicated with the outside, faces to the driving direction of the ship body and is used for forming a artesian water source;
And a water outlet channel is formed at the bottom of the ship, one end of the water outlet channel is communicated with a water outlet of the cooler, and the other end of the water outlet channel is communicated with the outside.
9. The vessel of claim 8, wherein the inlet channel is disposed proximate a bow of the vessel and the outlet channel is disposed proximate a stern of the vessel.
10. The watercraft of claim 8 wherein the water intake passage extends outwardly away from an end of the pump body, extending beyond the hull of the watercraft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910911706.6A CN110539870A (en) | 2019-09-25 | 2019-09-25 | Self-flowing cooling system and ship |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910911706.6A CN110539870A (en) | 2019-09-25 | 2019-09-25 | Self-flowing cooling system and ship |
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| CN110539870A true CN110539870A (en) | 2019-12-06 |
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| CN201910911706.6A Pending CN110539870A (en) | 2019-09-25 | 2019-09-25 | Self-flowing cooling system and ship |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111874177A (en) * | 2020-07-22 | 2020-11-03 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Method for designing size of diversion port of ship gravity cooling system |
| CN111874201A (en) * | 2020-07-13 | 2020-11-03 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Energy storage formula boats and ships are from flowing cooling system |
| CN111874202A (en) * | 2020-07-13 | 2020-11-03 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Energy-consuming ship self-flow cooling system |
| CN111897379A (en) * | 2020-07-13 | 2020-11-06 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Lubricating oil cooling and heating system |
| CN113443113A (en) * | 2021-07-31 | 2021-09-28 | 绍兴市松陵造船有限责任公司 | Ship cooling system with auxiliary propulsion function |
| CN114348224A (en) * | 2022-02-18 | 2022-04-15 | 中国船舶重工集团公司第七一九研究所 | Ship variable frequency pump cooling system and control method thereof |
| CN114735184A (en) * | 2022-04-27 | 2022-07-12 | 广东逸动科技有限公司 | Heat abstractor, propeller and boats and ships |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111874201A (en) * | 2020-07-13 | 2020-11-03 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Energy storage formula boats and ships are from flowing cooling system |
| CN111874202A (en) * | 2020-07-13 | 2020-11-03 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Energy-consuming ship self-flow cooling system |
| CN111897379A (en) * | 2020-07-13 | 2020-11-06 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Lubricating oil cooling and heating system |
| CN111874177A (en) * | 2020-07-22 | 2020-11-03 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Method for designing size of diversion port of ship gravity cooling system |
| CN111874177B (en) * | 2020-07-22 | 2021-03-09 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Method for designing size of diversion port of ship gravity cooling system |
| CN113443113A (en) * | 2021-07-31 | 2021-09-28 | 绍兴市松陵造船有限责任公司 | Ship cooling system with auxiliary propulsion function |
| CN114348224A (en) * | 2022-02-18 | 2022-04-15 | 中国船舶重工集团公司第七一九研究所 | Ship variable frequency pump cooling system and control method thereof |
| CN114735184A (en) * | 2022-04-27 | 2022-07-12 | 广东逸动科技有限公司 | Heat abstractor, propeller and boats and ships |
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