CN209838517U - Marine engine room cooling system - Google Patents
Marine engine room cooling system Download PDFInfo
- Publication number
- CN209838517U CN209838517U CN201920203626.0U CN201920203626U CN209838517U CN 209838517 U CN209838517 U CN 209838517U CN 201920203626 U CN201920203626 U CN 201920203626U CN 209838517 U CN209838517 U CN 209838517U
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- CN
- China
- Prior art keywords
- water
- cooler
- diesel engine
- cooling system
- pipeline
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000001816 cooling Methods 0.000 title claims abstract description 32
- 239000013535 sea water Substances 0.000 claims abstract description 38
- 238000010612 desalination reaction Methods 0.000 claims abstract description 13
- 239000000110 cooling liquid Substances 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 100
- 239000000498 cooling water Substances 0.000 claims description 17
- 239000002826 coolant Substances 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 2
- 239000013505 freshwater Substances 0.000 abstract description 24
- 230000000694 effects Effects 0.000 description 7
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The utility model discloses a marine engine room cooling system, include the sea water desalination machine, expansion tank, diesel engine and the first cooler that connect gradually through the pipeline, be equipped with first high-pressure pump between expansion tank and the diesel engine, first cooler passes through the pipeline and is connected with expansion tank, and first cooler still communicates through first suction pump and sea water. The utility model utilizes the seawater desalination machine to directly convert seawater into fresh water, avoids the high corrosivity of seawater from damaging the pipeline and the diesel engine, not only can effectively cool the diesel engine, but also can effectively prolong the service life of the pipeline and the diesel engine; meanwhile, seawater is used as cooling liquid to directly absorb heat to cool the heated fresh water, and the fresh water is directly discharged back to the sea after absorbing heat, so that excessive cooling liquid can be prevented from being loaded on the ship, the loading capacity of the ship is reduced, and the heated cooling liquid is not required to be cooled, so that the cost of a cooling system is effectively reduced.
Description
Technical Field
The utility model relates to a cooling system field, especially a marine engine room cooling system.
Background
The diesel engine of a ship is operated by burning diesel oil or heavy oil, and a large amount of heat energy is generated by the diesel engine during the operation. At present, in a narrow space of a cabin, a ventilation mode is mainly adopted to cool a diesel engine, but the cooling effect is poor, the diesel engine is easily stopped due to overhigh temperature, and even the diesel engine is damaged. If the seawater circulation is used for cooling the diesel engine, although the cooling effect is good, the service life of the diesel engine can be greatly shortened by adopting a seawater cooling mode due to the high corrosivity of seawater salt.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a marine engine room cooling system can improve diesel engine's cooling effect and can not lead to the fact the corruption to diesel engine.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a marine engine room cooling system, includes sea water desalination machine, expansion tank, diesel engine and the first cooler that connects gradually through the pipeline, still be equipped with a high-pressure pump between expansion tank and the diesel engine, the delivery port of first cooler passes through the pipeline and is connected with expansion tank, the coolant liquid entry of first cooler still communicates with first suction pump through the pipeline, the water inlet and the sea water intercommunication of first suction pump.
Further, a water cooler is further arranged between the diesel engine and the first high-pressure pump, a water inlet of the water cooler is connected with a water outlet of the first high-pressure pump, and a water outlet of the water cooler is connected with the diesel engine.
Further, a first cooling water channel is further arranged inside the diesel engine, a water inlet of the first cooling water channel is communicated with a water outlet of the water chiller, and a water outlet of the first cooling water channel is communicated with a water inlet of the first cooler.
Furthermore, another connecting channel is arranged between the expansion water tank and the diesel engine, and a second high-pressure pump and a heater are sequentially arranged on the connecting channel.
Furthermore, a three-way valve is arranged on a pipeline among the heater, the water cooler and the diesel engine.
Furthermore, a coarse water filter is arranged between the first water suction pump and the first cooler.
Further, an intercooler is further arranged on the diesel engine, and a cooling liquid inlet of the intercooler is connected with a water outlet of the coarse water filter.
Furthermore, the water inlet of the seawater desalination machine is communicated with seawater through a second water suction pump.
Furthermore, the expansion water tank is sequentially connected with a third high-pressure pump, a diesel generator set and a second cooler through pipelines, and a water outlet of the second cooler is connected with the expansion water tank.
Further, the cooling liquid inlet of the second cooler is also communicated with the coarse water filter through a pipeline.
The utility model has the advantages that: the seawater desalination machine is utilized to directly convert seawater into fresh water, so that the high corrosivity of seawater is avoided from damaging the pipeline and the diesel engine, the diesel engine can be effectively cooled, and the service life of the pipeline and the diesel engine can be effectively prolonged; meanwhile, seawater is used as cooling liquid to directly absorb heat to cool the heated fresh water, and the fresh water is directly discharged back to the sea after absorbing heat, so that excessive cooling liquid can be prevented from being loaded on the ship, the loading capacity of the ship is reduced, and the heated cooling liquid is not required to be cooled, so that the cost of a cooling system is effectively reduced.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic structural view of a preferred embodiment of the present invention;
fig. 2 is a schematic structural diagram of another preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the conception, specific structure and technical effects of the present invention will be described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor are within the scope of the present invention.
Referring to fig. 1, a preferred embodiment is a marine engine room cooling system, which includes a seawater desalination machine 11, an expansion tank 21, a diesel engine 31, and a first cooler 41 sequentially connected by a pipeline, a first high-pressure pump 51 and a water chiller 71 are further sequentially disposed between the expansion tank 21 and the diesel engine 31, a water outlet of the seawater desalination machine 11 is connected to a first water inlet of the expansion tank 21, a first water outlet of the expansion tank 21 is connected to a water inlet of the first high-pressure pump 51, a water outlet of the first high-pressure pump 51 is connected to a water inlet of the water chiller 71, a water outlet of the water chiller 71 is connected to the diesel engine 31, a water outlet of the first cooler 41 is connected to a second water inlet of the expansion tank 21 by a pipeline, a coolant inlet of the first cooler 41 is further communicated to a water outlet of the first water pump 61 by a pipeline, the water inlet of the first water pump 61 is communicated with the seawater.
The seawater desalination machine 11 can desalinate seawater and produce fresh water, and can filter floating objects, heavy metals, bacteria and the like in the seawater, so that the probability of scaling of the fresh water in the circulation process of the cooling system is reduced, scale formation inside the diesel engine 31 can be avoided, corrosion of pipelines and modules caused by high corrosivity of the seawater can be avoided, and the service life of the diesel engine 31 can be effectively prolonged.
The filtered fresh water is stored in the expansion water tank 21, the first high-pressure pump 51 is utilized to enable the fresh water to circularly move among the expansion water tank 21, the water cooler 71, the diesel engine 31 and the first cooler 41, and when the diesel engine 31 is in a high-load working state, the temperature rise amplitude can reach the highest value, at the moment, the water cooler 71 needs to be started, the temperature of the fresh water is further reduced, and the temperature reduction capability of the fresh water on the diesel engine 31 is improved; the first water pump 61 directly inputs seawater into the coolant loop of the first cooler 41 to absorb heat and cool the heated fresh water, so that the temperature of the fresh water can be reduced before the fresh water returns to the expansion tank 21 and preparation is made for the next cooling, and the coolant outlet of the first cooler 41 is directly connected to the outside of the ship through a pipeline, that is, the seawater after absorbing heat is directly discharged into the sea, so that the ship does not need to additionally increase the weight of the coolant, which is beneficial to saving the storage space of the ship, thereby improving the load factor of the ship and reducing the unnecessary load of the diesel engine 31.
Preferably, the water inlet of the seawater desalination machine 11 is communicated with the seawater through a second suction pump 62. In the long-time use process, the total amount of the fresh water is lost due to heat absorption evaporation or other reasons, so that the second water pump 62 can be used for pumping the seawater when the fresh water needs to be supplied, the seawater passes through the seawater desalination machine 11 and then is stored in the expansion water tank 21, and a water level meter is further arranged in the expansion water tank 21, so that whether the storage amount of the fresh water is enough before the cooling system is not started can be observed by using the water level meter.
Preferably, a first cooling water path 32 is further arranged inside the diesel engine 31, a water inlet of the first cooling water path 32 is communicated with a water outlet of the water chiller 71, a water outlet of the first cooling water path 32 is communicated with a water inlet of the first cooler 41, and fresh water can flow inside the diesel engine 31 by using the first cooling water path 32, so that the cooling effect is further improved.
Preferably, another connecting channel is further provided between the expansion tank 21 and the diesel engine 31, the second high-pressure pump 52 and the heater 72 are sequentially provided on the connecting channel, and the heater 72 is provided to prevent fresh water from freezing before entering the diesel engine 31 to cause pipeline blockage and prevent the diesel engine 31 from being cooled when the temperature is reduced below zero in winter, and the heater 72 can be used to preheat the fresh water so that the fresh water can flow in a circulating manner in the cooling system.
Preferably, a three-way valve is arranged on a pipeline between the heater 72, the water cooler 71 and the diesel engine 31, and the state of the three-way valve is actually controlled according to needs, so that the cooling water path between the water cooler 71 and the diesel engine 31 can be communicated or the cooling water path between the heater 72 and the diesel engine 31 can be communicated.
Preferably, a coarse water filter 81 is further disposed between the first suction pump 61 and the first cooler 41, and the coarse water filter 81 is added, so that corrosion of the pipeline and the pipeline of the cooling liquid loop of the first cooler 41 by seawater can be avoided, and the service life of the first cooler 41 is prolonged.
Preferably, the diesel engine 31 is further provided with an intercooler, a coolant inlet of the intercooler is connected with a water outlet of the coarse water filter 81, the intercooler is used for reducing the temperature of the supercharged high-temperature air so as to reduce the heat load of the diesel engine 31, improve the air inflow and further increase the power of the diesel engine 31, and the intercooler needs to exchange heat to effectively reduce the temperature of the high-temperature air, so that the filtered seawater can directly enter a coolant loop of the intercooler, and the working efficiency of the intercooler is improved.
Preferably, referring to fig. 2, the cooling system in this embodiment may further cool the diesel generator set 91 at the same time, the expansion tank 21 is further sequentially connected with a third high-pressure pump 53, the diesel generator set 91 and a second cooler 42 through a pipeline, and a water outlet of the second cooler 42 is further connected with the expansion tank 21.
Preferably, the cooling liquid inlet of the second cooler 42 is also communicated with the water outlet of the coarse water filter 81 through a pipeline.
Preferably, a second cooling water path is arranged in the diesel generator set 91, a water inlet of the second cooling water path is connected with the third high-pressure pump 53, a water outlet of the second cooling water path is connected with a water inlet of the second cooler 42, a coolant outlet of the second cooling water path is directly connected to the outside of the ship through a pipeline, and the second cooling water path is the same as the first cooler 41 and directly discharges the heated coolant into the sea.
The cooling principle of the diesel generator set 91 is the same as that of the diesel engine 31, and fresh water flows in a circulating manner among the expansion water tank 21, the diesel generator set 91 and the second cooler 42, so that the diesel generator set 91 is cooled, and the temperature of the diesel generator set 91 in the highest load state is not too high, so that the fresh water does not need to be further cooled by the water cooler 71.
Preferably, valves are disposed at the inlet and outlet of the water pipeline of the seawater desalination machine 11, the expansion water tank 21, the first high-pressure pump 51, the diesel engine 31, the first cooler 41, the first water pump 61, the second water pump 62, the coarse water filter 81, the diesel generator set 91, the second cooler 42, the second high-pressure pump 52, the water cooler 71 and the heater 72, and the modules can be overhauled or cleaned by setting the opening and closing states of the valves.
The above description is only a preferred embodiment of the present invention, but the present invention is not limited to the above embodiments, and the technical effects of the present invention should be all included in the protection scope of the present invention as long as the technical effects are achieved by any of the same or similar means.
Claims (10)
1. A marine engine room cooling system characterized by: including seawater desalination machine (11), expansion tank (21), diesel engine (31) and first cooler (41) that connect gradually through the pipeline, still be equipped with first high-pressure pump (51) between expansion tank (21) and diesel engine (31), the delivery port of first cooler (41) passes through the pipeline and is connected with expansion tank (21), the coolant liquid entry of first cooler (41) still communicates through pipeline and first suction pump (61), the water inlet and the sea water intercommunication of first suction pump (61).
2. The marine engine room cooling system according to claim 1, wherein: a water cooler (71) is further arranged between the diesel engine (31) and the first high-pressure pump (51), a water inlet of the water cooler (71) is connected with a water outlet of the first high-pressure pump (51), and a water outlet of the water cooler (71) is connected with the diesel engine (31).
3. The marine engine room cooling system according to claim 2, wherein: the diesel engine (31) is further internally provided with a first cooling water path (32), a water inlet of the first cooling water path (32) is communicated with a water outlet of the water chiller (71), and a water outlet of the first cooling water path (32) is communicated with a water inlet of the first cooler (41).
4. The marine engine room cooling system according to claim 2, wherein: and another connecting channel is also arranged between the expansion water tank (21) and the diesel engine (31), and a second high-pressure pump (52) and a heater (72) are sequentially arranged on the connecting channel.
5. The marine engine room cooling system according to claim 4, wherein: and three-way valves are arranged on pipelines among the heater (72), the water cooler (71) and the diesel engine (31).
6. The marine engine room cooling system according to claim 1, wherein: and a coarse water filter (81) is also arranged between the first water suction pump (61) and the first cooler (41).
7. The marine engine room cooling system according to claim 6, wherein: an intercooler is further arranged on the diesel engine (31), and a coolant inlet of the intercooler is connected with a water outlet of the coarse water filter (81).
8. The marine engine room cooling system according to claim 1, wherein: the water inlet of the seawater desalination machine (11) is communicated with seawater through a second water suction pump (62).
9. The marine engine room cooling system according to claim 6, wherein: the expansion water tank (21) is sequentially connected with a third high-pressure pump (53), a diesel generator set (91) and a second cooler (42) through a pipeline, and a water outlet of the second cooler (42) is connected with the expansion water tank (21).
10. The marine engine room cooling system according to claim 9, wherein: the cooling liquid inlet of the second cooler (42) is also communicated with a coarse water filter (81) through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920203626.0U CN209838517U (en) | 2019-02-13 | 2019-02-13 | Marine engine room cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920203626.0U CN209838517U (en) | 2019-02-13 | 2019-02-13 | Marine engine room cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209838517U true CN209838517U (en) | 2019-12-24 |
Family
ID=68903623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920203626.0U Expired - Fee Related CN209838517U (en) | 2019-02-13 | 2019-02-13 | Marine engine room cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209838517U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111561415A (en) * | 2020-06-01 | 2020-08-21 | 中国船舶科学研究中心 | Lubricating oil pressure controlled diesel engine cylinder liner water preheating system |
| CN112282914A (en) * | 2020-10-30 | 2021-01-29 | 安庆中船柴油机有限公司 | External circulating cooling system of marine diesel engine |
-
2019
- 2019-02-13 CN CN201920203626.0U patent/CN209838517U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111561415A (en) * | 2020-06-01 | 2020-08-21 | 中国船舶科学研究中心 | Lubricating oil pressure controlled diesel engine cylinder liner water preheating system |
| CN112282914A (en) * | 2020-10-30 | 2021-01-29 | 安庆中船柴油机有限公司 | External circulating cooling system of marine diesel engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211216 Address after: 350000 unit 406, building 16, Binjiang holiday (now Binjiang Holiday Garden), No. 216, Shangdu Road, Shangdu street, Cangshan District, Fuzhou City, Fujian Province Patentee after: Fuzhou Taifu Ship Engineering Co.,Ltd. Address before: 529000 No. 202b, floor 2, building 3, No. 32, Nanwan North Road, Nanping, Zhuhai, Guangdong Patentee before: GUANGDONG TAIFU SHIP TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |