KR20100029418A - Cooling system for a ship - Google Patents

Cooling system for a ship Download PDF

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Publication number
KR20100029418A
KR20100029418A KR1020080088198A KR20080088198A KR20100029418A KR 20100029418 A KR20100029418 A KR 20100029418A KR 1020080088198 A KR1020080088198 A KR 1020080088198A KR 20080088198 A KR20080088198 A KR 20080088198A KR 20100029418 A KR20100029418 A KR 20100029418A
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KR
South Korea
Prior art keywords
fresh water
tank
valve
cooling system
seawater
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Application number
KR1020080088198A
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Korean (ko)
Inventor
신동원
Original Assignee
삼성중공업 주식회사
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Application filed by 삼성중공업 주식회사 filed Critical 삼성중공업 주식회사
Priority to KR1020080088198A priority Critical patent/KR20100029418A/en
Publication of KR20100029418A publication Critical patent/KR20100029418A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B13/00—Conduits for emptying or ballasting; Self-bailing equipment; Scuppers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63J—AUXILIARIES ON VESSELS
    • B63J2/00—Arrangements of ventilation, heating, cooling, or air-conditioning
    • B63J2/12—Heating; Cooling

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)

Abstract

PURPOSE: A ship cooling system is provided to improve cooling efficiency without using expensive devices and improve spatial utilization by using a tank, which is installed inside a hull and is contacted with seawater, as a huge cooling system. CONSTITUTION: A ship cooling system comprise a tank(110), a seawater passing tube(120), a fresh water inlet valve(130), a fresh water outlet valve(140), and a fresh water circulating line(160). The tank has a space which contacts the seawater and is partitioned to contain fresh water inside. The seawater passing tube passes through the tank filled with the fresh water. The seawater passing tube constitutes a route for the inflow and the outflow of the seawater. The fresh water inlet valve is connected to the tank and controls the circulation and the inflow of the cooled fresh water. The fresh water outlet valve is installed at the end of the tank. The fresh water circulating line is installed between the fresh water inlet valve and the fresh water outlet valve.

Description

Ship Cooling System {COOLING SYSTEM FOR A SHIP}

The present invention relates to a ship cooling system, and more particularly, by using a tank installed inside the hull in contact with the seawater as a huge cooling system, there is no space limitation and sufficient cooling without using expensive equipment. The present invention relates to a ship cooling system that can exhibit efficiency.

In general, a ship's cooling water system cools engines, generators, motors, air con systems, air compressors, and other heat generating equipment that generates heat. The exothermic equipment was cooled with cooling water, and the cooling water was cooled with sea water.

The pump cooling system and the scoop cooling system are applied to cool the heat generating equipment.

Here, as the pump cooling method, dozens of types such as air coolers, lubricating oil coolers, or fresh water coolers are applied to ships.

In particular, the fresh water cooler is a type of machinery cooling system for ships, and uses a method of circulating fresh water for cooling the machinery.

1 is a block diagram showing a ship pump cooling system according to the prior art.

As shown in the drawing, the conventional ship cooling system cools the fresh water of the fresh water cooler 11 and the fresh water cooler 11 to circulate and supply fresh water to the heat generating equipment 1 such as a main engine, a generator engine, etc. installed in the ship. A seawater cooler 12 is included.

The fresh water cooler 11 is a fresh water circulation line 11a which provides a path for circulating fresh water to the heat generating equipment 1, and a fresh water circulation pump installed on the fresh water circulation line 11a to provide a pumping power to the fresh water. 11b).

The seawater cooler 12 is a fresh water bypass line 12a connected to the fresh water circulation line 11a so as to bypass the fresh water, and the fresh water is transferred along either one of the fresh water circulation line 11a and the fresh water bypass line 12a. The on-off valve 12j is installed at the direction valve 12b, the heat exchanger 12c installed in the fresh water bypass line 12a, and cools the fresh water by heat exchange with the sea water, and from the sea chest 2 of the ship. It is provided in the sea water supply line (12d) and the sea water supply line (12d) which is opened and closed by the shut-off valve 12e and provides a path for discharging the seawater introduced by the opening through the heat exchanger (12c) to the outside Ballast tank (ballast) for storing the seawater temperature is increased by opening and closing the open and close valves (12f, 12g) of the seawater supply pump (12k) for providing a pumping force for the transfer of seawater and the seawater supply line (12d) tank; 12h).

The ballast tank 12h allows the stored seawater to be supplied to the heat exchanger 12c through the seawater supply line 12d instead of the seawater flowing in from the seawater inlet 2 by opening and closing the valves 12i and 12j.

The conventional ship cooling system is a fresh water circulation by pumping the fresh water circulation pump (11b) to cool the heat generating equipment (1), such as the main engine (generator engine), generator engine (generator engine) responsible for the thrust. The fresh water circulated and supplied to the heat generating equipment 1 along the line 11a, and in this process, the fresh water is cooled by heat exchange with the sea water in the heat exchanger 12c, and the sea water whose temperature has risen by cooling the fresh water is a ballast tank ( 12h) and the seawater in the ballast tank 12h is resupplied to the seawater cooler 12 when the ballast tank 12h reaches the limit draft.

However, the conventional pump cooling method as described above is complicated in structure, and various expensive pumps such as a seawater supply pump for supplying seawater have been applied, which is a major cause of cost increase.

On the other hand, the scoop cooling method in which the inlet portion (cooling water inlet) and the outlet portion (cooling water outlet) are respectively installed on the hull surface is the same as in FIG.

The inlet part 20 which introduces seawater and the outlet part 22 which discharge | emits and discharges the introduced seawater are installed in the engine room part side of a ship, and the fresh water is provided between the inlet part 20 and the passage of the outlet part 22. The heat exchanger 30 in the form of a tube is installed so that the heat exchange is performed.

Three-way valve 40 is installed in the heat exchange unit 30, the fresh water circulation line 42 is installed to pass through the heat generating equipment 50 side, such as the main engine, generator engine, etc. to lead to the heat exchange unit 30 again. In addition, the fresh water circulation line 42 includes a fresh water circulation pump 60 to provide a pumping force to the fresh water.

Therefore, the seawater introduced through the inlet 20 cools the fresh water while meeting the heat exchanger 30 through which the fresh water is circulated, and the seawater heat-exchanged with the fresh water is discharged to the outlet 22.

The cooled fresh water cools the heating device 50 along the control of the three-way valve 40 and the fresh water circulation line 42, and provides the pumping power to the fresh water in the fresh water circulation pump 60.

Fresh water cooled the heat generating equipment 50 is introduced into the heat exchange unit 30 along the fresh water circulation line 42 is cooled again and is continuously circulated as described above.

However, this scoop cooling method also had a problem of receiving a lot of space constraints such as to be installed on the engine compartment side of the vessel.

Therefore, there is a need for a new ship cooling system that can solve the problems of pump cooling and scoop cooling.

Therefore, it is an object of the present invention to provide a ship cooling system that can exhibit sufficient cooling efficiency without using space-constrained and expensive equipment.

In order to achieve the above object, the present invention, in the system for cooling the heat generation equipment installed in the vessel, the tank contacted with sea water in the vessel is provided with a partitioned space to be filled with fresh water therein, and penetrates the tank filled with fresh water Seawater passage tube that is installed and is a path through which seawater flows in and out, and contacts fresh water, a fresh water inlet valve connected to the tank to control the circulation of cooled fresh water, and a heat generation equipment installed at the end of the tank. It includes a fresh water discharge valve for controlling the discharge of the fresh water heated through the tank to the tank, and a fresh water circulation line installed between the fresh water inlet valve and the fresh water discharge valve to provide a path for circulating fresh water to the ship's heat equipment. To provide a ship cooling system.

Preferably, at least one of the ballast tanks of the ship is used, and the tank is divided into a first tank and a second tank through a partition wall, and a communication valve is provided between the first tank and the second tank. Fresh water was allowed to communicate.

In addition, a baffle plate is installed in the tank so that the filled fresh water flows zigzag alternately from top to bottom and bottom to top.

One or more seawater passage tubes are installed in the tank.

On the fresh water circulation line, a three-way valve for controlling the flow of fresh water and a fresh water circulation pump for providing a pumping force to the fresh water are installed, and on the fresh water circulation line, the auxiliary line is branched so as to be connected to each tank partitioned. On each auxiliary line, a first auxiliary valve and a second auxiliary valve are respectively installed to control the flow of fresh water using only a tank usable in any one of the divided tanks.

Here, the first auxiliary valve is installed on the tank side where the fresh water inlet valve is installed to discharge hot fresh water to the tank, and the second auxiliary valve is installed on the tank side where the fresh water discharge valve is installed through the auxiliary line. Characterized in that it is introduced into the fresh water circulation line.

As described above, according to the ship cooling system of the present invention, the fresh water is filled in the tank of the hull in direct contact with the sea water, and the seawater passage tube is provided through the tank to cool the fresh water, and passes through the seawater passage tube. The fresh water heat-exchanged with sea water circulates and cools the heat generating equipment, so that there is no space limitation and more efficient cooling can be achieved without using expensive equipment.

Hereinafter, the operating principle of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, when it is determined that a detailed description of a known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted. Terms to be described later are terms defined in consideration of functions in the present invention, and may be changed according to intentions or customs of users or operators. Therefore, the definition should be made based on the contents throughout the specification.

3 is a block diagram illustrating a ship cooling system according to an embodiment of the present invention.

The ship cooling system shown in FIG. 3 cools heat generating equipment 100 such as a main engine, a generator engine, and the like installed on a ship, and has a fresh water inside to cool the heat generating equipment 100. Fresh water is filled in the tank 110, the seawater passage tube 120 is installed in the tank 110 to heat-exchange fresh water to seawater, and fresh water inlet valve for controlling the inflow of fresh water from the tank 110 130, the fresh water discharge valve 140 for controlling the discharge of the circulated fresh water, and the fresh water circulation line 160 to provide a path for circulating the fresh water to the heating device 100 of the vessel.

The tank 110 preferably uses a ballast tank in direct contact with seawater from the outside of the hull, and may use one or more of ballast tanks of bow or stern.

Here, the tank 110 exemplifies a ballast tank as a preferred embodiment, but is not limited thereto, and may be a tank in which contact with sea water is made as described above.

The tank 110 may be partitioned into a first tank 112 and a second tank 114 through a structurally installed partition 111, and the first tank 112 and the second tank 114. A communication valve 150 connecting them is installed between the fresh water and flows from the first tank 112 to the second tank 114, and in some cases, may flow from the second tank 114 to the first tank 112. have.

In addition, a plurality of baffle plates 116 are vertically spaced apart from each other in the first tank 112 and the second tank 114 along the horizontal direction.

The baffle plate 116 is in contact with the seawater passage tube 120 while the fresh water flows from the first tank 112 to the second tank 114 or from the second tank 114 to the first tank 112. It will help to zigzag from top to bottom and up and down to ensure sufficient heat exchange.

The seawater passage tube 120 is installed through the first and second tanks 112 and 114 and the partition wall 111 and the baffle plate 116 filled with fresh water.

Seawater passage tube 120 is a heat exchange in contact with the fresh water as it is a path through which the seawater is introduced and discharged, preferably at least one is installed, more preferably the vessel speed of the ship sailing on one end side of the seawater passage tube 120 The inlet portion 122 protrudes into the hull so that the seawater flows in, and the outlet portion 124 is installed at the other end to discharge the introduced seawater.

Meanwhile, as shown in the drawing, the first tank 112 in which the inlet part 122 is located is provided with a fresh water inflow valve 130 for controlling the circulation inflow of the cooled fresh water, and the second outlet in which the outlet part 124 is located. The tank 114 is provided with a fresh water discharge valve 140 to discharge the fresh water heated up through the heat generating equipment 100 to the tank 110 again.

A fresh water circulation line 160 is provided between the fresh water inlet valve 130 and the fresh water discharge valve 140 to provide a path for circulating fresh water to the heating equipment 100 such as a main engine and a generator engine installed in the ship. On the fresh water circulation line 160, a three-way valve 162 is installed to control fresh water to be transferred to the heating equipment 100 side and back to the tank 110, and provides a pumping force to the fresh water. A fresh water circulating pump 164 is included.

Furthermore, on the fresh water circulation line 160, an auxiliary line 170 connected to the first tank 112 and the second tank 114, respectively, is further installed, and each of the auxiliary tanks 170 is divided into a first tank. The first auxiliary valve 172 and the second auxiliary valve 174 are installed to control the flow to cool the fresh water using only one of the one of the 112 and the second tank 114. .

Preferably, the first auxiliary valve 172 is connected to the side of the first tank 112 in which the fresh water inlet valve 130 is installed to circulate the discharged fresh water to the first tank 112, and the second auxiliary valve 174 is installed on the side of the second tank 114, the fresh water discharge valve 140 is installed to have the fresh water cooled to the fresh water circulation line 160 through the auxiliary line (170).

The operation of the ship cooling system having such a structure is performed as follows.

Referring to FIG. 3 again, the fresh water is pumped along the fresh water circulation line 160 by pumping the fresh water circulation pump 164 in order to cool the heat generated from the heat generating equipment 100 such as a main engine, a generator engine, etc. installed in the ship. Circulating supply to the heat generating equipment (100).

At this time, the fresh water whose temperature rises by passing through the heat generating equipment 100 flows into the second tank 114 partitioned by the partition wall 111 through the control of the fresh water discharge valve 140, and the second tank 114. Fresh water flows into the first tank 112 through the open communication valve 150 while zigzag flowing along the guide of the baffle plate 116.

Here, the fresh water flows from the second tank 114 to the first tank 112 in a zigzag manner and contacts the seawater passage tube 120 to perform heat exchange.

That is, seawater flows into the inlet part 122 as the seawater passage tube 120 proceeds, and the introduced seawater is heat-exchanged with the low temperature seawater and the high temperature fresh water in the process of being discharged through the outlet part 124. Will be achieved.

The fresh water cooled and exchanged again is introduced into the fresh water circulation line 160 according to the opening of the fresh water inlet valve 130 connected to the first tank 112, and then the path is determined by the three-way valve 162. .

When the heat generation of the heat generating equipment 100 is not sufficient because cooling is not required, the three-way valve 162 is switched to the fresh water discharge valve 140 side, and when the cooling of the heat generating equipment 100 requires heating equipment ( The flow is guided to the 100) side is made to cool the heating equipment (100).

On the other hand, the flow of fresh water is normal. On the other hand, if an abnormality occurs in any one of the first tank 112 or the second tank 114, it is possible to select and use only the usable tank among the first and second tanks 112 and 114.

For example, when an abnormality occurs in the first tank 112 partitioned by the partition wall 111, the communication valve 150 is shut off, and the second auxiliary valve 174 of the second tank 114 opens to cool the fresh water. The fresh water is supplied through the auxiliary line 170 and then the fresh water circulation line 160 and circulated along the fresh water circulation line 160 to become a high temperature and is discharged to the second tank 114 through the fresh water discharge valve 140. Cooling is achieved by heat exchange with seawater of the seawater passage tube 120.

In the case of abnormality of the second tank 114, the communication valve 150 is similarly blocked, and the fresh water inlet valve 130 of the first tank 112 is opened to supply the fresh water cooled through the fresh water circulation line 160. In addition, the fresh water circulated along the fresh water circulation line 160 to a high temperature is discharged to the first tank 112 through the first auxiliary valve 172 to be heat-exchanged with the sea water of the seawater passage tube 120 to be cooled. do.

Thus, in the present invention, by filling the fresh water in the tank installed in the hull in direct contact with the sea water to use as one huge cooling system, there is no space limitation and a new cooling efficiency can be exhibited without using expensive equipment. The concept is a ship cooling system.

As described above, the ship cooling system according to the present invention is merely one preferred embodiment, and the present invention is not limited to the above-described embodiments, and the present invention deviates from the gist of the present invention as claimed in the following claims. Without this, anyone skilled in the art to which the present invention pertains will have the technical spirit of the present invention to the extent that various modifications can be made.

1 is a block diagram showing a ship pump cooling system according to the prior art,

2 is a schematic view showing a ship scoop cooling system according to the prior art,

3 is a block diagram illustrating a ship cooling system according to an embodiment of the present invention.

<Description of the symbols for the main parts of the drawings>

100: heat generation equipment 110: tank

111: bulkhead 112, 114: first and second tank

116: baffle plate 120: seawater passage tube

130: fresh water inlet valve 140: fresh water discharge valve

150: communication valve 160: fresh water circulation line

162: three-way valve 164: fresh water circulation pump

170: auxiliary line 172, 174: first and second auxiliary valve

Claims (8)

In the system for cooling the heating equipment installed on the ship, A tank in contact with sea water in the vessel and provided with a partitioned space to fill fresh water therein; The seawater passage tube is installed in the tank filled with the fresh water and becomes a path through which seawater flows in and out, and heat-exchanges the fresh water in contact therewith, A fresh water inlet valve connected to the tank and controlling the inflow of the cooled fresh water; A fresh water discharge valve installed at an end side of the tank and controlling the fresh water heated up through the heat generating equipment to be discharged to the tank; The fresh water circulation line is provided between the fresh water inlet valve and the fresh water discharge valve to provide a path for circulating and supplying the fresh water to the heat generating equipment of the vessel. Ship cooling system comprising a. The method of claim 1, The tank is a vessel cooling system wherein at least one of the ballast tank of the vessel is used. The method according to claim 1 or 2, The tank is partitioned into a first tank and a second tank through a partition wall, A communication valve is installed between the first tank and the second tank, the fresh water can communicate with the ship cooling system. The method according to claim 1 or 2, And a plurality of baffle plates spaced apart from each other so that filled fresh water flows zigzag from top to bottom and up and down alternately. The method of claim 1, The seawater passage tube, at least one vessel cooling system is installed in the tank. The method of claim 1, On the fresh water circulation line, A three-way valve for controlling the flow of fresh water, Ship cooling system is provided with a fresh water circulation pump to provide a pumping force to the fresh water. The method of claim 1, The auxiliary line is further branched to be connected to each of the tank partitioned on the fresh water circulation line, And a first auxiliary valve and a second auxiliary valve are respectively provided on the auxiliary lines so as to control the flow of the fresh water using only the tanks usable in case of any one of the divided tanks. The method of claim 7, wherein The first auxiliary valve is installed on the tank side in which the fresh water inlet valve is installed to discharge hot water of high temperature to the tank.   The second auxiliary valve is installed on the tank side in which the fresh water discharge valve is installed is a vessel cooling system for introducing fresh water to the fresh water circulation line through the auxiliary line.
KR1020080088198A 2008-09-08 2008-09-08 Cooling system for a ship KR20100029418A (en)

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KR1020080088198A KR20100029418A (en) 2008-09-08 2008-09-08 Cooling system for a ship

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KR1020080088198A KR20100029418A (en) 2008-09-08 2008-09-08 Cooling system for a ship

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KR20100029418A true KR20100029418A (en) 2010-03-17

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101379953B1 (en) * 2012-02-29 2014-04-02 삼성중공업 주식회사 Cooling Apparatus of Warm Water for Offshore Floating Body
CN107651156A (en) * 2017-10-27 2018-02-02 江苏大津重工有限公司 A kind of unmanned boat and its Sea Chest chilled water unit
KR20190080353A (en) * 2017-12-28 2019-07-08 대우조선해양 주식회사 Scavenge Air Cooling System and Method for a Ship
KR20200137956A (en) * 2019-05-30 2020-12-09 현대중공업 주식회사 Ship
WO2022107947A1 (en) * 2020-11-23 2022-05-27 현대중공업 주식회사 Ship
CN114954886A (en) * 2022-06-24 2022-08-30 江龙船艇科技股份有限公司 Ship cooling system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101379953B1 (en) * 2012-02-29 2014-04-02 삼성중공업 주식회사 Cooling Apparatus of Warm Water for Offshore Floating Body
CN107651156A (en) * 2017-10-27 2018-02-02 江苏大津重工有限公司 A kind of unmanned boat and its Sea Chest chilled water unit
KR20190080353A (en) * 2017-12-28 2019-07-08 대우조선해양 주식회사 Scavenge Air Cooling System and Method for a Ship
KR20200137956A (en) * 2019-05-30 2020-12-09 현대중공업 주식회사 Ship
WO2022107947A1 (en) * 2020-11-23 2022-05-27 현대중공업 주식회사 Ship
CN114954886A (en) * 2022-06-24 2022-08-30 江龙船艇科技股份有限公司 Ship cooling system

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