CN210660286U - Marine engine seawater cooling system - Google Patents
Marine engine seawater cooling system Download PDFInfo
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- CN210660286U CN210660286U CN201921651061.9U CN201921651061U CN210660286U CN 210660286 U CN210660286 U CN 210660286U CN 201921651061 U CN201921651061 U CN 201921651061U CN 210660286 U CN210660286 U CN 210660286U
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Abstract
The utility model discloses a marine engine sea water cooling system, include: the water pump, the engine cooling pipeline of cooling engine, the gear box cooling pipeline of cooling gear box and the surplus pipeline of the row of discharge excess water, the water inlet intercommunication sea water total inlet tube of water pump, the delivery port intercommunication engine cooling pipeline of water pump, gear box cooling pipeline and surplus pipeline, be provided with the first electron choke valve of the discharge of control inflow engine on the engine cooling pipeline, be provided with the second electron choke valve of the discharge of control inflow gear box on the gear box cooling pipeline, be provided with the third electron choke valve of the discharge of control entering surplus pipeline on the surplus pipeline, engine cooling pipeline, gear box cooling pipeline and surplus pipeline and the total outlet pipe intercommunication of sea water. The utility model discloses a marine engine sea water cooling system can carry out the cooling of suitable degree to engine and gear box, prolongs the life of engine and gear box.
Description
Technical Field
The utility model relates to a cooling field of engine especially relates to a marine engine sea water cooling system.
Background
When the ship works, mechanical equipment on ships such as the engine can emit a large amount of heat, and in order to ensure that the engine works in a normal temperature range and prevent the engine from being burnt out due to overheating, redundant heat on the engine is mainly taken away by a water cooling system, so that the engine is protected.
The existing ship seawater cooling system is shown in fig. 1, a seawater main water inlet pipe a of the seawater cooling system is communicated with two branch water inlet pipes, one branch water inlet pipe is provided with a seawater pump 3, the other branch water inlet pipe is provided with a seawater pump 4, the two seawater pumps (3,4) are driven by an engine 1, wherein water output by the seawater pump 4 flows to an intercooler 11 and a heat exchanger 12 of the engine 1, and water output by the seawater pump 3 flows to a lubricating oil cooler of a cooling gear box 2. The flow of the two seawater pumps is related to the rotating speed of the engine, the higher the rotating speed of the engine is, the larger the seawater flow of the two seawater pumps is, and the seawater flow cannot be changed due to the change of the load and the working condition of the engine, so that the actual seawater flow entering the engine and the gear box is not the water flow required by the cooling of the engine and the gear box.
In practical applications, the engine and the gearbox are often over-cooled or under-cooled.
When the engine is excessively cooled, the air inlet temperature of the engine is low, and the excessively low air inlet temperature causes the engine to work violently, so that the abrasion of key parts is aggravated, and simultaneously, the discharged nitrogen oxides are increased to pollute the air; when the cooling performance of the engine is insufficient, the engine is pre-ignited or detonated due to excessively high air inlet temperature, deformation and damage of parts are aggravated, and emission is influenced.
When the gear box is not cooled sufficiently, the viscosity of lubricating oil is reduced due to overhigh temperature, so that the lubricating failure is caused, the abrasion speed among components is accelerated, and the reliability and the service life of the gear box are influenced; when the gear box is cooled excessively, the viscosity of lubricating oil is increased due to insufficient temperature, the fluidity of the lubricating oil is weakened, equipment abrasion is increased, the running resistance of each part is increased, and the transmission efficiency of the gear box is reduced.
Therefore, it is needed to improve the existing marine engine seawater cooling system to solve the problem of insufficient or excessive cooling of the engine and the gear box by the existing marine engine seawater cooling system.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned defect of prior art, the utility model aims to solve the technical problem that a marine engine sea water cooling system is provided, can carry out the cooling of suitable degree to engine and gear box, prolong the life of engine and gear box.
The utility model discloses a solve above-mentioned technical problem, take following technical scheme:
a marine engine seawater cooling system comprising: a seawater main inlet pipe, a seawater main outlet pipe, an engine and a gear box,
further comprising: water pump, cooling the engine cooling pipeline of engine, cooling the gear box cooling pipeline of gear box and the surplus pipeline of the row of discharge excess water, the water inlet intercommunication of water pump the sea water total inlet tube, the delivery port intercommunication of water pump the engine cooling pipeline the gear box cooling pipeline with the row of surplus pipeline, be provided with the control on the engine cooling pipeline and flow in the first electron choke valve of the discharge of engine, be provided with the control on the gear box cooling pipeline and flow in the second electron choke valve of the discharge of gear box, be provided with the control on the row of surplus pipeline and get into the third electron choke valve of the discharge of surplus pipeline, the engine cooling pipeline the gear box cooling pipeline with the row of surplus pipeline with sea water total outlet pipe intercommunication.
Preferably, the engine cooling pipeline comprises an engine water inlet pipe and an engine water outlet pipe, the engine water inlet pipe is connected with the water outlet of the water pump and the engine, and the engine water outlet pipe is connected with the engine and the seawater main water outlet pipe; the gear box cooling pipeline comprises a gear box water inlet pipe and a gear box water outlet pipe; the water inlet pipe of the gear box is connected with the water outlet of the water pump and is connected with the gear box, and the water outlet pipe of the gear box is connected with the gear box and the seawater main water outlet pipe; the residual discharge pipeline comprises a residual discharge water pipe.
Preferably, one end of the residual water discharge pipe is connected with the water outlet of the water pump, and the other end of the residual water discharge pipe is connected with the seawater main water outlet pipe.
Preferably, one end of the residual water discharge pipe is connected with a water inlet pipe of the gear box, and the other end of the residual water discharge pipe is connected with a water outlet pipe of the gear box.
Preferably, the first electronic throttle valve is arranged on the engine water inlet pipe, the second electronic throttle valve is arranged on the gear box water inlet pipe, and the third electronic throttle valve is arranged on the residual water discharge pipe.
Preferably, the engine drives the water pump, a first belt wheel is fixed at the output end of the engine, a second belt wheel corresponding to the first belt wheel is arranged at the input end of the water pump, and the first belt wheel is connected with the second belt wheel through a belt.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the utility model discloses a marine engine sea water cooling system only uses a large-traffic water pump, has saved the quantity of water pump than current marine engine sea water cooling system, therefore the trough of belt quantity demand on the engine output end belt pulley also can reduce to can reduce the axial thickness of band pulley, whole engine shafting design requirement also correspondingly reduces, has consequently reduced the occupation space of marine engine sea water cooling system in the boats and ships cabin.
2) The utility model discloses a marine engine sea water cooling system, the delivery port intercommunication engine cooling pipeline of water pump, gear box cooling pipeline and the surplus pipeline of row, the total water yield of water pump output is on satisfying engine and gear box refrigerated basis, discharges surplus water from the surplus pipeline of row. The engine cooling pipeline is provided with a first electronic throttle valve for controlling water flow flowing into the engine, the gear box cooling pipeline is provided with a second electronic throttle valve for controlling water flow flowing into the gear box, the waste discharge pipeline is provided with a third electronic throttle valve for controlling water flow entering the waste discharge pipeline, and water flow flowing into the engine and the gear box can be adjusted by adjusting the first electronic throttle valve, the second electronic throttle valve and the third electronic throttle valve, so that the engine and the gear box can operate at proper temperature, and the service life of the transmitter and the gear box is prolonged.
3) The host computer monitors and controls the first electronic throttle valve, the second electronic throttle valve and the third electronic throttle valve according to real-time data such as water temperature, oil temperature, air inlet temperature and seawater flow of the engine obtained from a first sensor assembly of the engine and real-time data such as water temperature, oil temperature and seawater flow of the gear box obtained from a second sensor assembly of the gear box, so that the engine and the gear box can be properly cooled during operation, and the engine and the gear box can be ensured to operate at the optimum temperature.
Drawings
FIG. 1 is a schematic diagram of a prior art marine water cooling system;
fig. 2 is a schematic structural diagram of a first embodiment of the marine seawater cooling system of the present invention;
fig. 3 is a schematic structural diagram of a second embodiment of the marine seawater cooling system of the present invention;
in the figure: 1-engine, 11-intercooler, 12-heat exchanger, 13-first belt wheel, 14-host monitoring instrument, 15-first sensor assembly, 2-gear box, 21-second sensor assembly, 3-water pump, 4-water pump, 5-belt wheel, 6-water pump, 61-second sensor assemblyTwo belt wheels, 7-a first electronic throttle valve, 8-a second electronic throttle valve, 9-a third electronic throttle valve, A-a seawater main water inlet pipe, B-a seawater main water outlet pipe, C-an engine cooling pipeline, C1-engine intake manifold, C2-engine outlet pipe, D-gearbox cooling line, D1Inlet pipe of gearbox, D2Gear box outlet pipe, E-waste pipe, E1-a waste water drain.
Detailed Description
The following detailed description of the embodiments of the present invention will be provided in conjunction with the accompanying drawings and specific embodiments for further understanding the objects, aspects and functions of the present invention, but not for limiting the scope of the appended claims.
The first embodiment is as follows:
in the marine engine seawater cooling system shown in fig. 2, seawater introduced from the outside of the chord enters through the seawater main water inlet pipe a, and after the cooling system cools the relevant heat generating components on the ship to be cooled, the discharged water of the cooling system is finally collected to the seawater main water outlet pipe B and then discharged from the chord through the seawater main water outlet pipe B.
The pipeline connected between the seawater main inlet pipe A and the seawater main outlet pipe B is provided with: the water pump type sea water cooling system comprises an engine 1, a gear box 2, a water pump, an engine cooling pipeline C for cooling the engine 1, a gear box cooling pipeline D for cooling the gear box 2 and a surplus water discharging pipeline E for discharging surplus water, wherein a water inlet of the water pump 6 is communicated with a sea water main water inlet pipe A, a water outlet of the water pump 6 is communicated with the engine cooling pipeline C, the gear box cooling pipeline D and the surplus water discharging pipeline E, a first electronic throttle valve 7 for controlling water flow flowing into the engine 1 is arranged on the engine cooling pipeline C, a second electronic throttle valve 8 for controlling water flow flowing into the gear box 2 is arranged on the gear box cooling pipeline D, a third electronic throttle valve 9 for controlling water flow entering the surplus water discharging pipeline E is arranged on the surplus water discharging pipeline E, and the engine cooling pipeline C, the gear box cooling.
As shown in FIG. 2, the engine cooling circuit C includes an engine inlet pipe C1And an engine water outlet pipe C2Water inlet pipe C of engine1One end of the water pump is connected with the water pump6, the other end is connected with an engine 1 and an engine water outlet pipe C2One end of the water inlet pipe is connected with the engine 1, and the other end of the water inlet pipe is connected with the seawater main water outlet pipe B. The gear box cooling pipeline D comprises a gear box water inlet pipe D1And a gear box water outlet pipe D2Gear box water inlet pipe D1One end of the water pump is connected with the water outlet of the water pump 6, the other end of the water pump is connected with the gear box 2, and the water outlet pipe D of the gear box2One end of the water inlet pipe is connected with the gear box 2, and the other end of the water inlet pipe is connected with the seawater main water outlet pipe B. The residual discharge pipeline E comprises a residual discharge water pipe E1Residual water draining pipe E1One end of the water pump is connected with the water outlet of the water pump 6, and the other end of the water pump is connected with the seawater main water outlet pipe B.
The first electronic throttle valve 7 is arranged at the water inlet pipe C of the engine1On, the second electronic throttle valve 8 is arranged at the water inlet pipe D of the gear box1On the upper, the third electronic throttle valve 9 is arranged on the waste water discharge pipe E1The above.
The engine 1 drives the water pump 6, the output end of the engine 1 is fixed with the first belt wheel 13, the input end of the water pump 6 is provided with the second belt wheel 61 corresponding to the first belt wheel 13, and the first belt wheel 13 is connected with the second belt wheel 61 through a belt. The water pump 6 adopts a large-flow water pump, and the output quantity of the water pump 6 at least meets the water quantity required when the engine and the gear box are overheated simultaneously. The utility model discloses the quantity of water pump has been saved than current marine engine sea water cooling system, and current marine engine sea water cooling system has adopted water pump 3 and water pump 4 in figure 1, need set up the corresponding trough of belt quantity with the band pulley of two water pumps on the belt pulley 5 of engine output, therefore band pulley 5's axial thickness is great, the utility model discloses a marine engine sea water cooling system only sets up a water pump 6 to can correspondingly reduce first band pulley 13 axial thickness, therefore whole engine shafting design requirement also correspondingly reduces, consequently reduced the occupation space of marine engine sea water cooling system in the boats and ships cabin.
The marine engine seawater cooling system is further provided with a host monitoring instrument 14, a first sensor assembly 15 is arranged on the engine, a second sensor assembly 21 is arranged on the gear box 2, and the first sensor assembly 15, the second sensor assembly 21, the first electronic throttle valve 7, the second electronic throttle valve 8 and the third electronic throttle valve 9 are electrically connected with the host monitoring instrument 14 respectively. The first sensor assembly 15 mainly includes: water temperature sensor, oil temperature sensor, intake air temperature sensor and sea water flow sensor, second sensor assembly 21 mainly includes: a water temperature sensor, an oil temperature sensor and a seawater flow sensor. The above-mentioned sensor is a conventional product in the market, and is not described herein again.
The first sensor assembly 21 and the second sensor assembly 15 send signals to the host monitor 14 after measuring corresponding parameters, the host monitor 14 processes the data after receiving the signals, and the host monitor 14 controls the first electronic throttle valve 7, the second electronic throttle valve 8 and the third electronic throttle valve 9 to adjust the flow of seawater entering the engine 1, the gear box 2 and the surplus pipeline E in real time, so that the engine can run under ideal conditions.
The following description will be made by taking the adjustment of the cooling temperature of the engine as an example: if the water temperature, the oil temperature and the air inlet temperature entering the engine 1 are higher, the flow of cooling water entering the engine 1 needs to be increased, at the moment, the first electronic throttle valve 7 is adjusted to be larger, and the second electronic throttle valve and the third electronic throttle valve are adjusted to be smaller; if the water temperature, the oil temperature and the intake air temperature entering the engine 1 are low, the flow of cooling water entering the engine 1 needs to be reduced, at the moment, the first electronic throttle valve 7 is adjusted to be small, and the second electronic throttle valve 8 and the third electronic throttle valve 9 are adjusted to be large.
Similarly, if the gearbox 2 is overheated and the flow of cooling water entering the gearbox 2 needs to be increased, the first electronic throttle valve 7 and the third electronic throttle valve 9 are adjusted to be small, and the second electronic throttle valve 8 is adjusted to be large; if the gearbox 2 is too cold and it is desired to reduce the flow of cooling water into the gearbox 2, the first electronic throttle 7 and the third electronic throttle 9 are adjusted up and the second electronic throttle 8 is adjusted down.
If the engine 1 and the gearbox 2 overheat at the same time, the third electronic throttle 9 needs to be adjusted smaller (even closed), and the first electronic throttle 7 and the second electronic throttle 8 are adjusted larger accordingly. When the engine 1 and the gearbox 2 are too cold at the same time, the first electronic throttle valve 7 and the second electronic throttle valve 8 are correspondingly adjusted to be small, and the third electronic throttle valve 9 needs to be adjusted to be large, so that redundant water output by the water pump 6 is discharged from the waste water discharge pipeline.
The specific degree of adjustment of the first electronic throttle 7, the second electronic throttle 8 and the third electronic throttle 9 described above needs to be set according to specific parameters of the engine and the gearbox.
Example two:
the difference between the second embodiment and the first embodiment is only that:
as shown in fig. 3, a waste water discharge pipe E1One end of the water inlet pipe D is connected with a water inlet pipe D of the gear box1The other end is connected with a water outlet pipe D of the gear box2. This connection can shorten the drain pipe E as compared with the first embodiment1The cost is saved, and the occupied space of the marine engine seawater cooling system is reduced.
The present invention is not limited to the above embodiments, and all improvements made based on the concept, principle, structure and method of the present invention are all within the protection scope of the present invention.
Claims (7)
1. A marine engine seawater cooling system comprising: a seawater main inlet pipe, a seawater main outlet pipe, an engine and a gear box,
further comprising: water pump, cooling the engine cooling pipeline of engine, cooling the gear box cooling pipeline of gear box and the surplus pipeline of the row of discharge excess water, the water inlet intercommunication of water pump the sea water total inlet tube, the delivery port intercommunication of water pump the engine cooling pipeline the gear box cooling pipeline with the row of surplus pipeline, be provided with the control on the engine cooling pipeline and flow in the first electron choke valve of the discharge of engine, be provided with the control on the gear box cooling pipeline and flow in the second electron choke valve of the discharge of gear box, be provided with the control on the row of surplus pipeline and get into the third electron choke valve of the discharge of surplus pipeline, the engine cooling pipeline the gear box cooling pipeline with the row of surplus pipeline with sea water total outlet pipe intercommunication.
2. The marine engine seawater cooling system of claim 1, wherein the engine cooling line comprises an engine water inlet pipe and an engine water outlet pipe, the engine water inlet pipe is connected with the water pump water outlet and the engine, and the engine water outlet pipe is connected with the engine and the seawater main water outlet pipe; the gear box cooling pipeline comprises a gear box water inlet pipe and a gear box water outlet pipe; the water inlet pipe of the gear box is connected with the water outlet of the water pump and is connected with the gear box, and the water outlet pipe of the gear box is connected with the gear box and the seawater main water outlet pipe; the residual discharge pipeline comprises a residual discharge water pipe.
3. The marine engine seawater cooling system of claim 2, wherein one end of the surplus water draining pipe is connected with the water outlet of the water pump, and the other end of the surplus water draining pipe is connected with the seawater main water outlet pipe.
4. The marine engine seawater cooling system of claim 2, wherein one end of the surplus water drainage pipe is connected with a gearbox water inlet pipe, and the other end of the surplus water drainage pipe is connected with the gearbox water outlet pipe.
5. Marine engine seawater cooling system as claimed in claim 3 or 4, wherein the first electronic throttle valve is provided on the engine intake conduit, the second electronic throttle valve is provided on the gearbox intake conduit, and the third electronic throttle valve is provided on the surplus water conduit.
6. The marine engine seawater cooling system of claim 1, wherein the engine drives the water pump, a first pulley is fixed at an output end of the engine, a second pulley corresponding to the first pulley is arranged at an input end of the water pump, and the first pulley and the second pulley are connected through a belt.
7. The marine engine seawater cooling system of claim 1, wherein the marine engine seawater cooling system is further provided with a host monitor, the engine is provided with a first sensor assembly, the gear box is provided with a second sensor assembly, and the first sensor assembly, the second sensor assembly, the first electronic throttle valve, the second electronic throttle valve and the third electronic throttle valve are respectively electrically connected with the host monitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921651061.9U CN210660286U (en) | 2019-09-29 | 2019-09-29 | Marine engine seawater cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921651061.9U CN210660286U (en) | 2019-09-29 | 2019-09-29 | Marine engine seawater cooling system |
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| CN210660286U true CN210660286U (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921651061.9U Active CN210660286U (en) | 2019-09-29 | 2019-09-29 | Marine engine seawater cooling system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113107665A (en) * | 2021-04-25 | 2021-07-13 | 中国舰船研究设计中心 | Marine diesel power station sea water common rail reposition of redundant personnel cooling system |
| CN114228968A (en) * | 2021-12-23 | 2022-03-25 | 山东交通职业学院 | Ship seawater cooling treatment device and application method thereof |
-
2019
- 2019-09-29 CN CN201921651061.9U patent/CN210660286U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113107665A (en) * | 2021-04-25 | 2021-07-13 | 中国舰船研究设计中心 | Marine diesel power station sea water common rail reposition of redundant personnel cooling system |
| CN114228968A (en) * | 2021-12-23 | 2022-03-25 | 山东交通职业学院 | Ship seawater cooling treatment device and application method thereof |
| CN114228968B (en) * | 2021-12-23 | 2022-12-02 | 山东交通职业学院 | Ship seawater cooling treatment device and using method thereof |
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