CN217436035U - Low-temperature fresh water cooling system for tug in harbor operation - Google Patents
Low-temperature fresh water cooling system for tug in harbor operation Download PDFInfo
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- CN217436035U CN217436035U CN202221778361.5U CN202221778361U CN217436035U CN 217436035 U CN217436035 U CN 217436035U CN 202221778361 U CN202221778361 U CN 202221778361U CN 217436035 U CN217436035 U CN 217436035U
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Abstract
The embodiment of the application discloses tow boat low temperature fresh water cooling system is made to harbor, the extra stop valve that is equipped with the sea water house steward in the pipe of sea water house steward, the outside of left side sea water tank and right sea water tank all is connected with the cooler through first sea water pipeline, the fresh water end that advances of cooler all is connected with tow boat equipment through second low temperature fresh water pipeline, the feed liquor end of left side ballast water cabin and right ballast water cabin all communicates with the play fresh water end that corresponds the cooler of side through third low temperature fresh water pipeline mutually, the stop valve has still been installed at the middle part of fourth low temperature fresh water pipeline. Through this low temperature fresh water cooling system, realized the separation of each equipment of port as the tow boat and sea water, reduced the contaminated risk of host computer high temperature fresh water and host computer, rudder oar lubricating oil when guaranteeing that each equipment obtains reliable cooling, reduced the risk that the cooling water pipeline blocks up and leads to port as the tow boat high temperature to park, provide the safety guarantee for the operation of port as the tow boat.
Description
Technical Field
The application relates to the technical field of ship equipment, in particular to a low-temperature fresh water cooling system for a harbor tugboat.
Background
At present, a port tugboat is provided with main equipment such as a main machine, an auxiliary machine, a steering oar and an air conditioner, and when the equipment normally operates, seawater is usually adopted to directly cool high-temperature fresh water of the main machine, lubricating oil of the main machine, cooling liquid of the auxiliary machine, lubricating oil of the steering oar and the air conditioner, and the like so as to keep the reliability of continuous operation of the equipment. Compared with fresh water, the seawater has stronger corrosivity, and under the condition of long-term high temperature, the inside of the cooler is more easily corroded and leaked by the seawater, so that the seawater enters a cooled medium, high-temperature fresh water and auxiliary machine cooling liquid are polluted, main machine lubricating oil and rudder propeller lubricating oil are emulsified, the normal operation of a harbor tug is influenced, and extra economic loss is brought to enterprises. On the other hand, with the increasing improvement of ecological environment, the water quality of the harbor seawater is better and better. Usually, the number of seawater pipelines in the tug of the harbor is large, when the equipment of the harbor tug berthing wharf stops running, seawater in the pipelines is in a static state, marine life can be attached to the pipe wall to start breeding, once the marine life is accumulated to a certain degree, a seawater filter and the pipelines can be blocked, the equipment is suddenly heated, and therefore the safe running of the tug of the harbor is influenced.
Disclosure of Invention
The utility model aims to solve the technical problem that a tug low temperature fresh water cooling system is made to harbor is provided, reduces the contaminated risk of host computer high temperature fresh water and host computer, rudder oar lubricating oil, reduces the risk that the cooling water pipeline blockked up and leads to the tug high temperature to park. The device has the advantages of simple structure, convenient installation, low cost and better popularization effect.
In order to achieve the above object, the utility model adopts the following technical scheme: a low-temperature fresh water cooling system for tug boats in harbors comprises a left sea water tank and a right sea water tank, wherein the left sea water tank is connected with the right sea water tank through a sea water main pipe, a sea water main pipe stop valve is additionally arranged in a pipe of the sea water main pipe, coolers are respectively connected to the outer parts of the left sea water tank and the right sea water tank through first sea water pipelines, a variable-frequency sea water pump is additionally arranged in the middle of each first sea water pipeline, the seawater outlet end of each cooler is connected with a second sea water pipeline, the fresh water inlet end of each cooler is connected with tug boat equipment through a second low-temperature fresh water pipeline, water pump suction ports of the two groups of tugboat equipment are respectively connected with a left ballast water tank and a right ballast water tank through first low-temperature fresh water pipelines, the liquid inlet ends of the left ballast water tank and the right ballast water tank are respectively communicated with the fresh water outlet end of the corresponding cooler through a third low-temperature fresh water pipeline, and the left ballast water tank is connected with the right ballast water tank through a fourth low-temperature fresh water pipeline, and the middle part of the fourth low-temperature fresh water pipeline is also provided with a stop valve.
Preferably, the second seawater pipeline is communicated and connected with the first seawater pipeline, and the liquid outlet end of the second seawater pipeline is positioned outside the ship board.
Preferably, the cooling water discharge end of the tug boat equipment is connected with the second low-temperature fresh water pipeline and finally flows into the cooler to exchange heat with the seawater flowing through the seawater pipeline.
Preferably, the tops of the left water ballast tank and the right water ballast tank are 1.5 meters higher than the water pump suction ports of the tug boat equipment, and the normal water level in the left water ballast tank and the right water ballast tank is 0.7 meters higher than the water pump suction ports of the tug boat equipment.
Preferably, the volumes of the left ballast water tank and the right ballast water tank are not less than 30 cubic meters, and the tops of the left ballast water tank and the right ballast water tank are provided with vent pipes.
The application provides a pair of tow boat low temperature fresh water cooling system is made to harbor, through this low temperature fresh water cooling system, realized the separation of each equipment of tow boat and sea water is made to harbor, reduced the contaminated risk of host computer high temperature fresh water and host computer, rudder oar lubricating oil when guaranteeing that each equipment obtains reliable cooling, reduced the risk that the cooling water pipeline blockked up and lead to the tow boat high temperature to park, provide the safety guarantee for the tow boat operation is made to harbor. The device has simple structure, convenient installation and low cost.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 shows a schematic diagram of a low-temperature fresh water cooling system for a harbor tug according to an embodiment of the application.
In the figure: 1. a left sea chest; 2. a right sea chest; 3. a seawater main pipe; 4. a first seawater line; 5. a variable frequency seawater pump; 6. a second seawater line; 7. a cooler; 8. a second low temperature fresh water pipeline; 9. a third low temperature fresh water pipeline; 10. a first low temperature fresh water line; 11. a tug apparatus; 12. a left ballast tank; 13. a gas permeable pipe; 14. a fourth low-temperature fresh water pipeline; 15. a right ballast tank; 16. and a stop valve.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. 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 application.
The utility model provides a technical scheme, a low-temperature fresh water cooling system for tug boat in harbor, which comprises a left seawater tank 1 and a right seawater tank 2, wherein the left seawater tank 1 is connected with the right seawater tank 2 through a seawater main pipe 3, a seawater main pipe stop valve is arranged in the pipe of the seawater main pipe 3, whether the left seawater tank 1 is communicated with the right seawater tank 2 can be controlled according to requirements, the outsides of the left seawater tank 1 and the right seawater tank 2 are both connected with a cooler 7 through a first seawater pipeline 4, a variable-frequency seawater pump 5 is arranged in the middle of the first seawater pipeline 4 and can control the flow of seawater according to requirements, the seawater outlet end of the cooler 7 is both connected with a second seawater pipeline 6, the fresh water inlet end of the cooler 7 is both connected with tug boat equipment 11 through a second low-temperature fresh water pipeline 8, the fresh water pump suction ports of the two groups of tug boat equipment 11 are respectively connected with a left ballast water tank 12 and a right ballast water tank 15 through a first low-temperature fresh water pipeline 10, the liquid inlet ends of the left ballast water tank 12 and the right ballast water tank 15 are communicated with the fresh water outlet end of the cooler 7 on the corresponding side through a third low-temperature fresh water pipeline 9, the left ballast water tank 12 and the right ballast water tank 15 are connected through a fourth low-temperature fresh water pipeline 14, and the middle part of the fourth low-temperature fresh water pipeline 14 is also provided with a stop valve 16.
The second seawater pipeline 6 is communicated and connected with the first seawater pipeline 4, and the liquid outlet end of the second seawater pipeline 6 is positioned outside the ship board.
The cooling water discharge end of the tug boat device 11 is connected with the second low-temperature fresh water pipeline 8, and finally flows into the cooler 7 to exchange heat with the seawater flowing through the seawater pipeline.
The tops of left and right ballast tanks 12, 15 are 1.5 meters above the water pump suction of tug equipment 11, and the normal water level in left and right ballast tanks 12, 15 is 0.7 meters above the water pump suction of tug equipment 11.
The volumes of the left ballast water tank 12 and the right ballast water tank 15 are not less than 30 cubic meters, and the tops of the left ballast water tank 12 and the right ballast water tank 15 are provided with vent pipes 13.
The seawater main pipe 3 is a DN200 high-quality thick-wall galvanized seamless steel pipe, the first seawater pipeline 4 and the second seawater pipeline 6 are DN80 high-quality thick-wall galvanized seamless steel pipes, the first low-temperature fresh water pipeline 10, the second low-temperature fresh water pipeline 8, the third low-temperature fresh water pipeline 9 and the fourth low-temperature fresh water pipeline 14 are DN80 phosphated seamless steel pipes, and the stop valve 16 is an A10080 GB/T587-1993 stop valve.
When the system works, cooling water flowing out of the tug equipment 11 enters the cooler 7 through the second low-temperature fresh water pipeline 8, exchanges heat with seawater through the cooler 7 and then flows back to the left ballast water tank 12 through the third low-temperature fresh water pipeline 9, so that low-temperature cooling fresh water can be recycled; the right side loop is the same as the left side loop; the left ballast water tank 12 and the right ballast water tank 15 are connected through a fourth low-temperature fresh water pipeline 14, and a stop valve 16 is arranged on the fourth low-temperature fresh water pipeline 14 and can control whether the left ballast water tank and the right ballast water tank are communicated or not according to requirements; the top parts of the left ballast water tank 12 and the right ballast water tank 15 are respectively provided with a vent pipe 13, so that the pressure in the water tanks is ensured to be normal pressure; the bottoms of the left water ballast tank 12 and the right water ballast tank 15 are harbors serving as tugboat bottoms, so that the natural heat exchange efficiency with seawater is increased, the tops of the left water ballast tank and the right water ballast tank are 1.5 meters higher than the suction ports of water pumps of the tugboat equipment 11, and the normal water levels in the left water ballast tank 12 and the right water ballast tank 15 are 0.7 meter higher than the suction ports of the water pumps of the tugboat equipment 11, so that a pressure head is increased to ensure that the water pumps of the tugboat equipment 11 cannot suck air; the volumes of the left ballast water tank 12 and the right ballast water tank 15 are not less than 30 cubic meters, so that the temperature rise of the low-temperature cooling fresh water is controllable.
The utility model discloses utilize a tow boat low temperature fresh water cooling system is made to port, realized the separation of each equipment of tow boat is made to port and sea water, reduced the contaminated risk of host computer high temperature fresh water and host computer, rudder oar lubricating oil when guaranteeing that each equipment obtains reliable refrigerated, reduced the risk that the cooling water pipeline blockked up and lead to the tow boat high temperature to park, provide the safety guarantee for the tow boat operation is made to the port, have better popularization effect.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application 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; such modifications and substitutions do not necessarily depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (5)
1. A low-temperature fresh water cooling system for tug boats in harbors comprises a left sea water tank (1) and a right sea water tank (2), and is characterized in that the left sea water tank (1) and the right sea water tank (2) are connected through a sea water main pipe (3), a sea water main pipe stop valve (16) is additionally arranged in a pipe of the sea water main pipe (3), the outsides of the left sea water tank (1) and the right sea water tank (2) are respectively connected with a cooler (7) through a first sea water pipeline (4), the middle part of the first sea water pipeline (4) is additionally provided with a variable-frequency sea water pump (5), the sea water outlet end of the cooler (7) is respectively connected with a second sea water pipeline (6), the fresh water inlet end of the cooler (7) is respectively connected with tug boat equipment (11) through a second low-temperature fresh water pipeline (8), and the water pumps of the two tug boat equipment (11) are respectively connected with a left ballast water tank (12) and a right ballast water tank (15) through a first low-temperature fresh water pipeline (10), the liquid inlet ends of the left ballast water tank (12) and the right ballast water tank (15) are communicated with the fresh water outlet end of the cooler (7) on the corresponding side through a third low-temperature fresh water pipeline (9), the left ballast water tank (12) and the right ballast water tank (15) are connected through a fourth low-temperature fresh water pipeline (14), and the middle part of the fourth low-temperature fresh water pipeline (14) is further provided with a stop valve (16).
2. The low-temperature fresh water cooling system for the harbor tug according to claim 1, wherein the second seawater pipeline (6) is communicated and connected with the first seawater pipeline (4), and the liquid outlet end of the second seawater pipeline (6) is positioned outside the ship board.
3. The low-temperature fresh water cooling system for the harbor tug boat as claimed in claim 1, wherein the cooling water discharge end of the tug boat device (11) is connected with a second low-temperature fresh water pipeline (8) and finally flows into a cooler (7) to exchange heat with seawater flowing through the seawater pipeline.
4. The low-temperature fresh water cooling system for the harbor tug boat as claimed in claim 1, wherein the tops of the left and right ballast tanks (12, 15) are 1.5 m higher than the water pump suction port of the tug boat device (11), and the normal water level in the left and right ballast tanks (12, 15) is 0.7 m higher than the water pump suction port of the tug boat device (11).
5. The low-temperature fresh water cooling system for the harbor tugboat according to claim 1, wherein the volumes of the left ballast water tank (12) and the right ballast water tank (15) are not less than 30 cubic meters, and the top parts of the left ballast water tank (12) and the right ballast water tank (15) are provided with vent pipes (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221778361.5U CN217436035U (en) | 2022-07-07 | 2022-07-07 | Low-temperature fresh water cooling system for tug in harbor operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221778361.5U CN217436035U (en) | 2022-07-07 | 2022-07-07 | Low-temperature fresh water cooling system for tug in harbor operation |
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| Publication Number | Publication Date |
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| CN217436035U true CN217436035U (en) | 2022-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221778361.5U Active CN217436035U (en) | 2022-07-07 | 2022-07-07 | Low-temperature fresh water cooling system for tug in harbor operation |
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| CN (1) | CN217436035U (en) |
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- 2022-07-07 CN CN202221778361.5U patent/CN217436035U/en active Active
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