CN220791357U - Power generation diesel engine broadside cooling system for harbor tug - Google Patents
Power generation diesel engine broadside cooling system for harbor tug Download PDFInfo
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- CN220791357U CN220791357U CN202322499063.3U CN202322499063U CN220791357U CN 220791357 U CN220791357 U CN 220791357U CN 202322499063 U CN202322499063 U CN 202322499063U CN 220791357 U CN220791357 U CN 220791357U
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- 238000001816 cooling Methods 0.000 title claims abstract description 65
- 238000010248 power generation Methods 0.000 title claims abstract description 51
- 239000013505 freshwater Substances 0.000 claims abstract description 203
- 239000013535 sea water Substances 0.000 claims abstract description 71
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 230000007797 corrosion Effects 0.000 claims abstract description 12
- 238000005260 corrosion Methods 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 11
- 238000012546 transfer Methods 0.000 claims description 7
- 230000001502 supplementing effect Effects 0.000 claims description 5
- 239000000654 additive Substances 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 230000035699 permeability Effects 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a power generation diesel engine broadside cooling system for a harbor tug, which comprises a high-temperature fresh water circulation, a low-temperature fresh water circulation and sea water/fresh water heat exchange; high temperature fresh water circulation: the water pump sends fresh water to the cooling diesel engine and then to the heat exchanger for cooling, so that the diesel engine is kept at a proper temperature; low temperature fresh water circulation: the water pump sends fresh water in the cabin to the heat exchanger to absorb heat of the high-temperature fresh water, so that the high-temperature fresh water is kept at a proper temperature; seawater/fresh water heat exchange: outside the side fresh water cabin is outboard seawater, low-temperature fresh water is arranged in the cabin, the outer cabin wall is a heat exchange surface, and heat is conducted to the outboard flowing seawater through the cabin wall due to the fact that the low-temperature fresh water is higher in temperature than the seawater, so that the fresh water in the cabin is kept at a proper temperature. According to the power generation diesel engine side cooling system for the harbor tug, seawater and fresh water only lean against the side bulkhead to serve as heat exchange surfaces, a seawater pump, a filter, a seawater heat exchanger and a seawater pipe are omitted, seawater does not contact equipment, and seawater corrosion and garbage blockage are avoided.
Description
Technical Field
The utility model relates to the technical field of harbor tugs, in particular to a power generation diesel engine broadside cooling system for a harbor tug.
Background
The port tugboat is mainly used for pulling large ships or floating buildings, helping the large ships or floating buildings to lean against a wharf or to move to dock, and the port tugboat can also be used as a traffic ship and plays a very important role in ports. The efficient running of the power generation diesel engine is not separated from the perfect cooling device when the harbor tug sails, the power of the power generation diesel engine is generally 150-180KW, the power is smaller, the thermal load is not large, and the power generation diesel engine is only used during sailing, so that the problem of cooling the diesel engine when the harbor tug sails is only needed to be considered. The traditional marine diesel engine cooling modes are generally two, one is open sea water cooling and the other is a central cooling system: cooling a cylinder sleeve and a cylinder cover of the diesel engine by using high-temperature fresh water, cooling the high-temperature fresh water in the fresh water heat exchanger by using low-temperature fresh water, and finally pumping seawater into the seawater heat exchanger by using the seawater pump to cool the low-temperature fresh water;
both forms have outboard water to enter cabin piping, and garbage and aquatic organisms carried by the outboard water can also enter equipment along with water flow, so that dirt is easily accumulated on the inner surface of a flow passage, a filter and a cooler are blocked, and the cooling effect of a diesel engine is affected. Moreover, the outboard water is corrosive, and the damage speed of equipment is increased.
In order to overcome the defects of the traditional cooling mode, some dredger engineering ships begin to use an outboard cooler, the outboard cooler is directly arranged on the surface of a ship body below a ship waterline, high-temperature fresh water discharged by a diesel engine enters the cooler, and the purpose of cooling the fresh water of the diesel engine is achieved by taking away heat by virtue of the outboard water of the ship;
however, this approach also has some problems, such as the outboard cooler is prone to depositing plankton in the water, reducing the heat transfer effect; the reliability is poor, the outboard cooler has the risk of being collided and extruded, and once broken, maintenance is difficult; the outboard cooler is arranged on the surface of the ship body below the waterline, so that the integrity and smoothness of the original outer surface of the ship body are damaged, the resistance of the ship body is increased, and the navigational speed of the ship is reduced.
Disclosure of Invention
The utility model aims to provide a power generation diesel engine broadside cooling system for a harbor tug, which aims to solve the problems that plankton and garbage in water are easy to deposit in the traditional cooling system in the background art, and the heat transfer effect is reduced; seawater is corrosive, equipment and a pipe system are corroded, and the reliability of the equipment is reduced; the outboard cooler is arranged on the surface of the ship body below the waterline, so that the risk of collision and extrusion exists, the integrity and smoothness of the original outer surface of the ship body are damaged, the resistance of the ship body is increased, and the navigational speed of the ship is reduced.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a power generation diesel engine side cooling system for a harbor tug comprises a high-temperature fresh water cycle, a low-temperature fresh water cycle and sea water/fresh water heat exchange;
high temperature fresh water circulation: the device comprises a power generation diesel engine 1, a fresh water expansion tank 2, a high-temperature fresh water pump 3, a constant-temperature three-way valve 4, a fresh water heat exchanger 5 and a high-temperature fresh water pipeline; the high-positioned fresh water expansion tank 2 is used for deflating, supplementing water, adding additives and extracting pressure heads; the constant temperature three-way valve 4 has the function of automatically adjusting the flow of the bypass pipe system according to the fresh water temperature of the diesel engine, so as to adjust the water quantity entering the fresh water heat exchanger 5, and automatically adjust the temperature of the high-temperature fresh water of the power generation diesel engine in a certain range; the fresh water heat exchanger 5 is a built-in part of the power generation diesel engine 1, heat is continuously generated when the power generation diesel engine 1 runs, high-temperature fresh water absorbs the heat of the power generation diesel engine 1 and then is sent to the fresh water heat exchanger 5 by the high-temperature fresh water pump 3, the heat is transferred to low-temperature fresh water, and the cooled high-temperature fresh water returns to the diesel engine 1 for cooling, so that the temperature of the power generation diesel engine 1 is kept within a proper range;
low temperature fresh water circulation: the low-temperature fresh water pump 6 pumps the low-temperature fresh water out of the side fresh water cabin 9 through the water pump suction valve 7, pumps the low-temperature fresh water into the fresh water heat exchanger 5 to absorb heat of the high-temperature fresh water, and sends the heated low-temperature fresh water to the side fresh water cabin circulation 9 through the stop valve 8 for cooling, and the cooled low-temperature fresh water returns to the fresh water heat exchanger 5 so as to keep the high-temperature fresh water in a proper temperature range;
seawater/fresh water heat exchange: comprises a side fresh water cabin 9, a low liquid level alarm 10, a gas permeability pipe 12 and a side heat exchange surface 11; the low liquid level alarm 10 is used for giving an alarm after the liquid level is reduced to a set alarm value, and reminding an operator on duty of timely water replenishment; the vent pipe 12 is used for avoiding the formation of negative pressure during suction and the deformation of the cabin caused by positive administrative pressure during injection; outside the side fresh water tank 9 is the outboard sea water, and the side fresh water tank 9 is the low-temperature circulating fresh water, and the temperature of the low-temperature fresh water in the tank is higher than the temperature of the sea water because the low-temperature fresh water absorbs the high-temperature fresh water, and the heat is conducted to the sea water flowing outboard through the side heat exchange surface 11, so that the low-temperature fresh water is kept at a proper temperature.
Furthermore, the system only takes the side bulkheads as the heat exchange surface 11 of the seawater and the fresh water, so that the fresh water exchanges heat with the seawater flowing outside through the outer bulkheads to cool the fresh water, a seawater pump, a filter, a seawater/fresh water heat exchanger and a seawater pipeline of the conventional cooling system are omitted, the outboard seawater and garbage cannot enter the cabin pipeline, the quality of the circulating fresh water is stable, the heat transfer effect is good, and the blockage and corrosion of a cooler and the pipeline thereof are avoided;
further, the water level of the side fresh water tank 9 is ensured to be normal during sailing, a set of low liquid level alarm 10 is installed in the side fresh water tank 9, and when the water level of the side fresh water tank 9 is reduced to a set alarm value, an audible and visual alarm is generated to remind an operator on duty of timely water supplement.
Further, when a common ship is stopped at a wharf, due to poor flowability of the outboard seawater, the cooling effect of the side cooling system is insufficient, the port-acting tug is connected with shore power by a pull cable, the power generation diesel engine on the port-acting tug is stopped, the cooling problem when the ship is stopped at the wharf is not needed to be considered, and the cooling problem when the tug is sailed (the power generation diesel engine is needed to run when sailed) is only needed to be considered.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the power generation diesel engine side cooling system for the harbor tugboat, only the side bulkhead is used as a sea water and fresh water heat exchange surface, the outboard sea water cannot contact any equipment and pipe system, the filter, the sea water pump, the cooler and the pipelines of the filter, the sea water pump and the cooler are prevented from being blocked by the outboard sea creatures and the garbage, sea water in the sea area where the harbor tugboat works throughout the year is turbid, and much sediment, aquatic creatures and other garbage are brought into the cabin pipe system by the traditional cooling mode, so that the filter and the cooler are blocked, and the operation safety of the equipment is influenced. The novel side cooling mode has the advantages that the outboard water does not enter the cabin pipe system, the quality of the circulating fresh water is stable, the heat transfer effect is good, and the blockage of the cooler and the pipe system is avoided.
2. The power generation diesel engine side cooling system for the harbor tugboat avoids corrosion of equipment, and the traditional cooling mode can lead to corrosion of a cooler, a pipe system and valve parts thereof due to corrosiveness of outboard seawater. The novel side cooling form has the advantages that the outboard water is not contacted with the equipment and accessories thereof, and the corrosion of the equipment is avoided.
3. Compared with the traditional central fresh water cooling system, the port-acting tug power generation diesel engine side cooling system has the advantages that the side cooling mode is simple in structure and convenient to install, an outboard cooler water pumping system is omitted, an outboard water pipeline, a low-temperature fresh water heat exchanger, a sea water pump and a filter are omitted, and the cost is obviously reduced. The side cooling mode can avoid corrosion of equipment, so that the cost of replacing spare parts such as coolers, pipelines, valve parts, sealing parts, corrosion-resistant zinc blocks and the like every year is saved.
4. According to the power generation diesel engine side cooling system for the harbor tugboat, the manpower is saved, the traditional cooling mode needs frequent disassembly and cleaning, and the filter is generally disassembled and cleaned once in each month; clearing the heat exchanger once every quarter; the corroded zinc block is replaced every three to six months; each year, the sea water pump is in fault maintenance, the corrosion and perforation of a pipe system are needed to be welded and repaired by electric welding, the working hours are consumed, and the normal operation of the ship is affected. The modified side cooling mode can greatly reduce the conventional maintenance, saves a lot of manpower, and enables crews to put energy on the maintenance of other important equipment.
5. Compared with the traditional central cooling system, the side cooling system of the power generation diesel engine for the harbor tug saves energy and reduces consumption, reduces one sea water pump for the side cooler, reduces the load of the generator, and correspondingly reduces the consumption of part of fuel oil. The temperature of cooling water and lubricating oil outlet is improved when the diesel engine works, the thermal stress of parts is reduced, the combustion heat efficiency is higher, and the oil consumption rate is reduced. In contrast to other vessels of the same type,
6. the power generation diesel engine broadside cooling system for the harbor tug has high reliability, and the technical improvement of the time well solves the corrosion and scaling defects of the original design. The side cooling form does not need to install the outboard cooler on the surface of the hull below the waterline of the ship, and does not need to worry about damage caused by collision and extrusion of the outboard cooler, thereby increasing reliability. The integrity of the original outer surface of the ship body is not damaged, the resistance of the ship body is not increased, and the navigational speed is not influenced.
Drawings
FIG. 1 is a schematic structural diagram of a tug cooling system according to the present utility model.
In the figure: the system comprises a power generation diesel engine 1, a fresh water expansion tank 2, a high-temperature fresh water pump 3, a constant-temperature three-way valve 4, a fresh water heat exchanger 5, a low-temperature fresh water pump 6, a water pump suction valve 7, a stop valve 8, a side fresh water cabin 9, a low liquid level alarm 10 and a side heat exchange surface 11.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, the present utility model provides a technical solution: a power generation diesel engine side cooling system for a harbor tug comprises the following components.
In this embodiment:
high temperature fresh water circulation, low temperature fresh water circulation, and sea water/fresh water heat exchange;
high temperature fresh water circulation: the device comprises a power generation diesel engine 1, a fresh water expansion tank 2, a high-temperature fresh water pump 3, a constant-temperature three-way valve 4, a fresh water heat exchanger 5 and a high-temperature fresh water pipeline; the high-positioned fresh water expansion tank 2 is used for deflating, supplementing water, adding additives and extracting pressure heads; the constant temperature three-way valve 4 has the function of automatically adjusting the flow of the bypass pipe system according to the fresh water temperature of the diesel engine, so as to adjust the water quantity entering the fresh water heat exchanger 5, and automatically adjust the temperature of the high-temperature fresh water of the power generation diesel engine in a certain range; the fresh water heat exchanger 5 is a built-in part of the power generation diesel engine 1, heat is continuously generated when the power generation diesel engine 1 runs, high-temperature fresh water absorbs the heat of the power generation diesel engine 1 and then is sent to the fresh water heat exchanger 5 by the high-temperature fresh water pump 3, the heat is transferred to low-temperature fresh water, and the cooled high-temperature fresh water returns to the diesel engine 1 for cooling, so that the temperature of the power generation diesel engine 1 is kept within a proper range;
low temperature fresh water circulation: the low-temperature fresh water pump 6 pumps the low-temperature fresh water out of the side fresh water cabin 9 through the water pump suction valve 7, pumps the low-temperature fresh water into the fresh water heat exchanger 5 to absorb heat of the high-temperature fresh water, and sends the heated low-temperature fresh water to the side fresh water cabin circulation 9 through the stop valve 8 for cooling, and the cooled low-temperature fresh water returns to the fresh water heat exchanger 5 so as to keep the high-temperature fresh water in a proper temperature range;
seawater/fresh water heat exchange: comprises a side fresh water cabin 9, a low liquid level alarm 10, a gas permeability pipe 12 and a side heat exchange surface 11; the low liquid level alarm 10 is used for giving an alarm after the liquid level is reduced to a set alarm value, and reminding an operator on duty of timely water replenishment; the vent pipe 12 is used for avoiding the formation of negative pressure during suction and the deformation of the cabin caused by positive administrative pressure during injection; outside the side fresh water tank 9 is the outboard sea water, and the side fresh water tank 9 is the low-temperature circulating fresh water, and the temperature of the low-temperature fresh water in the tank is higher than the temperature of the sea water because the low-temperature fresh water absorbs the high-temperature fresh water, and the heat is conducted to the sea water flowing outboard through the side heat exchange surface 11, so that the low-temperature fresh water is kept at a proper temperature.
The system only takes the side bulkhead as the heat exchange surface 11 of the seawater and the fresh water, so that the fresh water exchanges heat with the seawater flowing outside through the outer bulkhead to cool the fresh water, a seawater pump, a filter, a seawater/fresh water heat exchanger and a seawater pipeline thereof are omitted, the outboard seawater cannot enter the cabin pipeline, the water quality of the circulating fresh water is stable, the heat transfer effect is good, and the blockage and corrosion of a cooler and the pipeline thereof are avoided;
when a common ship is stopped and sailed on a wharf, due to poor flowability of the seawater outside, the cooling effect of a side cooling system is insufficient, the port-acting tug is connected with shore power by a cable, a power generation diesel engine on the port-acting tug is stopped and is not needed, the cooling problem during berthing is not needed to be considered, and the cooling problem during tug sailing (the power generation diesel engine is needed to run during sailing) is only needed to be considered, so that the side cooling system of the power generation diesel engine is suitable for the tug to use
The utility model provides a power generation diesel engine broadside cooling system for a harbor tug, which has the following working principle:
(1) High temperature fresh water circulation: the high-positioned fresh water expansion tank 2 is used for deflating, supplementing water, adding additives and extracting pressure heads; the constant temperature three-way valve 4 is used for automatically adjusting the flow of cooling water according to the fresh water temperature of the diesel engine; the fresh water heat exchanger 5 is a built-in part of the power generation diesel engine 1, heat is continuously generated when the power generation diesel engine 1 runs, high-temperature fresh water absorbs the heat of the power generation diesel engine 1 and then is sent to the fresh water heat exchanger 5 by the high-temperature fresh water pump 3, the heat is transferred to low-temperature fresh water, and the cooled high-temperature fresh water returns to the diesel engine 1 for cooling, so that the temperature of the power generation diesel engine 1 is kept within a proper range;
(2) Low temperature fresh water circulation: the low-temperature fresh water pump 6 pumps the low-temperature fresh water out of the side fresh water cabin 9 through the water pump suction valve 7, pumps the low-temperature fresh water into the fresh water heat exchanger 5, absorbs heat of the high-temperature fresh water, sends the heated low-temperature fresh water to the side fresh water cabin circulation 9 through the stop valve 8 for cooling, and returns the cooled low-temperature fresh water to the fresh water heat exchanger 5, so that the high-temperature fresh water is kept in a proper temperature range;
(3) Seawater/fresh water heat exchange: outside the side fresh water tank 9 is the outboard sea water, and the side fresh water tank 9 is the low-temperature circulating fresh water, and the temperature of the low-temperature fresh water in the tank is higher than the temperature of the sea water because the low-temperature fresh water absorbs the high-temperature fresh water, and the heat is conducted to the sea water flowing outboard through the side heat exchange surface 11, so that the low-temperature fresh water is kept at a proper temperature.
The power of the tug power generation diesel engine is generally 150-180KW, the thermal load is small, when the ship sails, the outboard sea water flows, and the cooling effect is good. The port-acting tug is connected with shore power by a pull cable, and the power generation diesel engine does not operate and does not need to be cooled, so that only the cooling problem during navigation is considered, and the side cooling mode is very suitable for the port-acting tug.
The system only uses the side bulkhead as the heat exchange surface 11 of the seawater and the fresh water, so that the fresh water exchanges heat with the seawater flowing outside through the outer bulkhead to cool the fresh water, a seawater pump, a filter, a seawater/fresh water heat exchanger and a seawater pipeline thereof are omitted, the outboard seawater cannot enter the cabin pipeline, the quality of the circulating fresh water is stable, the heat transfer effect is good, and the blockage and corrosion of a cooler and the pipeline thereof are avoided.
What is not described in detail in this specification is prior art known to those skilled in the art.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A power generation diesel engine side cooling system for a harbor tug comprises a high-temperature fresh water cycle, a low-temperature fresh water cycle and sea water/fresh water heat exchange;
the method is characterized in that: high temperature fresh water circulation: the device comprises a power generation diesel engine (1), a fresh water expansion tank (2), a high-temperature fresh water pump (3), a constant-temperature three-way valve (4), a fresh water heat exchanger (5) and a high-temperature fresh water pipeline; the high-positioned fresh water expansion tank (2) is used for deflating, supplementing water, adding additives and extracting pressure heads; the constant temperature three-way valve (4) has the function of automatically adjusting the flow of the bypass pipeline according to the fresh water temperature of the diesel engine, so as to adjust the water quantity entering the fresh water heat exchanger (5), and automatically adjust the temperature of the high-temperature fresh water of the power generation diesel engine in a certain range; the fresh water heat exchanger (5) is a built-in part of the power generation diesel engine (1), heat is continuously generated when the power generation diesel engine (1) runs, high-temperature fresh water absorbs the heat of the power generation diesel engine (1) and is sent to the fresh water heat exchanger (5) by the high-temperature fresh water pump (3), the heat is transferred to low-temperature fresh water, and the cooled high-temperature fresh water returns to the diesel engine (1) for cooling, so that the temperature of the power generation diesel engine (1) is kept within a proper range;
low temperature fresh water circulation: the low-temperature fresh water pump (6) pumps low-temperature fresh water out of the side fresh water cabin (9) through the water pump suction valve (7), pumps the low-temperature fresh water into the fresh water heat exchanger (5) to absorb heat of high-temperature fresh water, sends the heated low-temperature fresh water to the side fresh water cabin (9) through the stop valve (8) for circulating cooling, and returns the cooled low-temperature fresh water to the fresh water heat exchanger (5) so as to keep the high-temperature fresh water in a proper temperature range;
seawater/fresh water heat exchange: comprises a side fresh water cabin (9), a low liquid level alarm (10), a gas permeability pipe (12) and a side heat exchange surface (11); the low liquid level alarm (10) is used for giving an alarm after the liquid level is reduced to a set alarm value, and reminding an operator on duty of timely water replenishment; the vent pipe (12) is used for avoiding negative pressure formed during suction and deformation of the cabin caused by positive administrative pressure during injection; the outside of the side fresh water cabin (9) is outboard seawater, the inside of the side fresh water cabin (9) is low-temperature circulating fresh water, and the temperature of the low-temperature fresh water in the cabin is higher than that of the seawater because the low-temperature fresh water absorbs the high-temperature fresh water, and heat is conducted to the outboard flowing seawater through the side heat exchange surface (11), so that the low-temperature fresh water is kept at a proper temperature.
2. The power generation diesel side cooling system for a harbor tug according to claim 1, wherein: the system only uses the side bulkhead as a seawater and fresh water heat exchange surface (11), so that fresh water exchanges heat with the seawater flowing outside through the outer bulkhead to cool the fresh water, a seawater pump, a filter, a seawater/fresh water heat exchanger and a seawater pipeline thereof in the traditional cooling system are omitted, the outside seawater and garbage cannot enter the cabin pipeline, the quality of circulating fresh water is stable, the heat transfer effect is good, and the blockage and corrosion of the water pump, the filter, the cooler and the pipeline thereof are avoided.
3. The power generation diesel side cooling system for a harbor tug according to claim 1, wherein: during sailing, the water level of the side fresh water cabin (9) is ensured to be normal, a set of low liquid level alarm (10) is arranged in the side fresh water cabin (9), and when the water level of the side fresh water cabin (9) is reduced to a set alarm value, an audible and visual alarm can be generated to remind an operator on duty of timely supplementing water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322499063.3U CN220791357U (en) | 2023-09-14 | 2023-09-14 | Power generation diesel engine broadside cooling system for harbor tug |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322499063.3U CN220791357U (en) | 2023-09-14 | 2023-09-14 | Power generation diesel engine broadside cooling system for harbor tug |
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| CN220791357U true CN220791357U (en) | 2024-04-16 |
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| CN202322499063.3U Active CN220791357U (en) | 2023-09-14 | 2023-09-14 | Power generation diesel engine broadside cooling system for harbor tug |
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| CN (1) | CN220791357U (en) |
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2023
- 2023-09-14 CN CN202322499063.3U patent/CN220791357U/en active Active
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