CN104802976B - The cooling system of offshore set-up and ship, the ocean platform using the cooling system - Google Patents
The cooling system of offshore set-up and ship, the ocean platform using the cooling system Download PDFInfo
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- CN104802976B CN104802976B CN201410404956.8A CN201410404956A CN104802976B CN 104802976 B CN104802976 B CN 104802976B CN 201410404956 A CN201410404956 A CN 201410404956A CN 104802976 B CN104802976 B CN 104802976B
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- 238000001816 cooling Methods 0.000 title claims abstract description 91
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 65
- 230000008676 import Effects 0.000 claims abstract description 62
- 230000033228 biological regulation Effects 0.000 claims abstract description 18
- 239000000498 cooling water Substances 0.000 claims description 107
- 239000002826 coolant Substances 0.000 claims description 11
- 239000000295 fuel oil Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000003921 oil Substances 0.000 claims description 3
- 239000013535 sea water Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 19
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000009736 wetting Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 206010034703 Perseveration Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000002528 anti-freeze Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
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Abstract
Ship, ocean platform the invention provides the cooling system of offshore set-up and using the cooling system, the cooling system include sub-cooled subsystem, High-temperature cooling subsystem, temperature control subsystem and regulation subsystem；Sub-cooled subsystem is to cool down low temperature user, provided with the first import and first outlet；High-temperature cooling subsystem is to cooling down high-temperature user, and provided with the second import and second outlet, temperature control subsystem exports cooling is water-cooled into the first predetermined temperature provided with triple feed inlet and the 3rd；3rd outlet connects the first import by cryogenic pipe, and first outlet connects triple feed inlet by the import of medium temperature pipeline connection second, second outlet by high temperature conduit；Regulation subsystem is arranged between first outlet and triple feed inlet, and into the water of the second import, it is the second predetermined temperature to make water temperature at second outlet for regulation.The present invention can reduce system operation cost, be run beneficial to high temperature user under the temperature environment of matching, improve ship, the performance of ocean platform.
Description
Technical field
The present invention relates to Naval Architecture and Ocean Engineering field, the cooling system of more particularly to a kind of offshore set-up and cold using this
But the ship of system, ocean platform, the cooling system are particularly suitable for use in ship or ocean with high-power main frame or generator
Platform.
Background technology
With the exhaustion of land resources, economic export-oriented development, and the efficient utilization to resource, exploitation of the various countries to ocean
Increasingly pay attention to, it is increasing to various large ocean engineering ship demands.Along with ocean engineering ship monomer power
Increase, equipment operating environment requires that the caloric value of the power-equipment such as more and more higher, main frame increases therewith, to the demand of cooling water
With increase.
Refering to Fig. 1, in existing cooling system peculiar to vessel, temperature has larger difference during due to each equipment operation to be cooled,
Correspondingly, the heat dissipation capacity demand of high-temperature service and Cryo Equipment also has differences, for ease of control cooling water inflow and coolant water temperature
For degree to adapt to the radiating requirements of distinct device, low temperature water system 2a and high-temperature water system 3a use the form connected side by side, and pin
Low temperature water system 2a and high-temperature water system 3a are respectively controlled, cooling water flows separately through high temperature wetting system and water at low temperature is set
Standby, afterwards, two path water converges, and a part is directly entered temperature-sensing valve 42a, and another part is transferred to extra large in central cooler 41a
Water cooling, cooled cooling water and not cooled high-temperature water converge in temperature-sensing valve 42a, and temperature-sensing valve 42a can control inside
Valve opening, the temperature that two-way cooling water is adjusted to need, then transmitted by transmission pump 1a, into next circulation.Utilize this
Kind form cooling, it is to be ensured that the cooling water of high-temperature service reaches radiating requirements, it is necessary to assure flows through the cooling water inflow of high-temperature service
Sufficiently large, the water of whole system is to flow through the so substantial amounts of cooling water of cooling water sum of high temperature wetting system and low temperature wetting system
The discharge capacity and quantity of transmission pump used are influenced whether, so as to have influence on the cost of construction project, increases the difficulty of equipment arrangement in addition
Degree, increase the weight of ship or ocean platform, reduce loading capacity, influence performance.In this system, into water at low temperature and high-temperature water
Water temperature is identical, and this water temperature does not reach the temperature requirement needed for high-temperature service, and high-temperature service can not be in the state of optimal
Operating, by taking the high temperature water section of main frame as an example, once flowing through high-temperature service --- the water temperature of cylinder sleeve is too low, does not reach cooling requirements
(preferably 50 DEG C~60 DEG C of the water temperature requirement of usual cylinder sleeve water inlet), will influence the efficiency of combustion of main frame, some main frames are in water
Meeting low-temperature warning when temperature is less than setting value, main frame will be shut down if constant temperature reduces.The work of host high-temperature water section cylinder sleeve
Water temperature is only efficient main frame in 100 degrees centigrades, if design temperature is second-rate in 80 degrees centigrades, the main frame
Main frame is, it is necessary to improve.
Although existing cooling system peculiar to vessel has drawbacks described above, because low temperature water system and high-temperature water system are connected in parallel on
The convenience that control aspect is shown, it has been recognized that being using low temperature water system and high-temperature water system cooling system in parallel
More excellent arrangement.
The content of the invention
It is an object of the invention to provide a kind of cooling system of offshore set-up, on the premise of cooling requirement is ensured, drop
Low input cost, utilizes high efficiency of energy.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：A kind of cooling system of offshore set-up, including
Sub-cooled subsystem, High-temperature cooling subsystem, temperature control subsystem and regulation subsystem；Sub-cooled subsystem is cooling down sea
The low temperature user of upper equipment, it is provided with the first outlet of the first import of Cooling Water inflow and Cooling Water outflow；High temperature is cold
But for subsystem to cool down the high temperature user of offshore set-up, it is provided with the second import and Cooling Water outflow that Cooling Water flows into
Second outlet；For temperature control subsystem cooling is water-cooled into the first predetermined temperature, it is provided with the 3rd that Cooling Water flows into
Import and the 3rd outlet of Cooling Water outflow；3rd outlet connects first import by cryogenic pipe, and described the
One outlet passes through the second import described in medium temperature pipeline connection, and the second outlet connects the triple feed inlet by high temperature conduit；
Regulation subsystem is arranged between the first outlet and triple feed inlet, to adjust the cooling current into second import
Amount, so as to be the second predetermined temperature by the cooling water temperature control at the second outlet.
Preferably, the temperature control subsystem includes central cooler and the first temperature-sensing valve；Central cooler flows to cool down
Through the cooling water in it, it is provided with the 4th outlet of the 4th import of Cooling Water inflow and Cooling Water outflow；First temperature control
Valve has the 5th import and the 6th import that Cooling Water flows into, and its coolant outlet is the described 3rd outlet；Described 5th enters
Mouthful and the 4th import collectively form the triple feed inlet, the second outlet is connected by high temperature conduit, the described 6th
Import connects the 4th outlet by cryogenic pipe, and first temperature-sensing valve will enter via the 5th import and the described 6th
The cooling water that mouth enters exports after according to ratio mixing, cooling water is adjusted to first predetermined temperature by the described 3rd
Output.
Preferably, the cooling water flows through the flow of the 5th import less than the flow for flowing through the 6th import.
Preferably, the central cooler cools down the cooling water by seawater.
Preferably, it is equipped with valve before the 4th import of the central cooler and after the 4th outlet.
Preferably, the sub-cooled subsystem is provided with multiple sub-cooled water passages in parallel, and each low-temperature cooling water leads to
The coolant outlet on road converges and forms the first outlet.
Preferably, each sub-cooled water passage includes two valves and the sub-cooled being arranged between two valves
Device.
Preferably, the regulation subsystem includes the second temperature-sensing valve, bypass line and temperature sensor；Second temperature control
Valve is arranged on the medium temperature pipeline；Bypass line one end connects second temperature-sensing valve, the other end and the triple feed inlet phase
Connection；Temperature sensor is arranged at the second outlet and sentences the cooling water temperature detected at second outlet, temperature sensor electricity
Gas connects second temperature-sensing valve；The temperature sensor controls second temperature-sensing valve according to detected cooling water temperature
Aperture, the cooling water flow ratio of bypass line and second import is entered by the second temperature control valve regulation.
Preferably, first predetermined temperature is 30 DEG C~40 DEG C, in the medium temperature pipeline cooling water temperature be 40 DEG C~
60 DEG C, second predetermined temperature is 80~100 DEG C.
Preferably, the low temperature user of the offshore set-up includes Fuel Oil Cooler, generator, preceding air cooler and lubricating oil cooling
One or more in device, the high temperature user of the offshore set-up include the one or more in cylinder sleeve and rear air cooler.
The present invention also provides a kind of ship, including cooling system as described above.
The present invention also provides a kind of ocean platform, including cooling system as described above.
As shown from the above technical solution, the advantages and positive effects of the present invention are：
First, cost is reduced, it is embodied in the following aspects：1st, sub-cooled subsystem and High-temperature cooling in the present invention
Cascade System, it is aided with temperature control subsystem and regulation subsystem, reduces pipeline connecting parts, cost can be reduced；2nd, whole system institute
The cooling water inventory needed will be reduced compared with prior art, and can reduce to provide the discharge capacity of the transmission pump of cooling water circulation power needs
Ask, reduce the quantity of transmission pump；3rd, due to the addition of many chemical compositions in ocean engineering, in cooling water, cooling water is made
Valency is very high, and the present invention can reduce cooling water inventory, so as to reduce the expense of cooling water.
2nd, run beneficial to high temperature user, by taking main frame as an example, because marine main engine high temperature user is usually cylinder sleeve and rear air cooling
Device, both of which is related to the burning of fuel, and an external environment condition for being to provide burning, another is to provide the combustion-supporting of burning
Agent, it is required for keeping higher suitable temperature, when being cooled down to these equipment, if cooling water temperature is too low, easily makes
Equipment is subcooled, and so has many harm, on the one hand because heat scatters and disappears excessively, subtracts the heat for being transformed into useful work
It is few；On the other hand because gaseous mixture contacts with the inside wall of cylinder, and cylinder outer wall is the cooling water of low temperature, the combustion for making its Central Plains gasify
Oil condenses again and flows to crankcase, not only increases fuel consumption, and makes machine oil is thinning to influence lubrication, as a result will also make engine
Power drop, abrasion aggravation.The cooling water cooled down in the present invention to host high-temperature equipment has absorbed main frame Cryo Equipment
Heat, its temperature is preferably, provides suitable environment beneficial to the cylinder sleeve burning to main frame, improves the combustibility of main frame, more
Energy-conservation.And the present invention also enters the cooling water flow of high temperature user by regulator system fading margin, meet dissipating for high-temperature water user
Thermal power continues to control the demand of cooling water in change procedure cooling water temperature at high temperature subscriber's outlet in setting range,
Make high temperature user Effec-tive Function under the temperature environment of matching.
3rd, due to the reduction of pipeline and transmission pump, equipment is reduced, saves space, lowers overall weight, improves load-carrying
Amount, improve ship, the performance of ocean platform.
Brief description of the drawings
Fig. 1 is the structural representation of the cooling system of prior art.
Fig. 2 is the structural representation of cooling system embodiment of the present invention.
Description of reference numerals is as follows：
1st, transmission pump；102nd, cryogenic pipe；2nd, sub-cooled subsystem；21st, subcolling condenser；211st, the first import；
212nd, first outlet；203rd, medium temperature pipeline；3rd, High-temperature cooling subsystem；311st, the second import；312nd, second outlet；304th, high temperature
Pipeline；4th, temperature control subsystem；41st, central cooler；411st, the 4th import；412nd, the 4th outlet；42nd, the first temperature-sensing valve；421、
5th import；422nd, the 6th import；423rd, the 3rd outlet；401st, cryogenic pipe；6th, valve；7th, subsystem is adjusted；71st, the second temperature
Control valve；72nd, bypass line；73rd, temperature sensor；74th, cable.
Embodiment
Embodying the exemplary embodiment of feature of present invention and advantage will describe in detail in the following description.It should be understood that
The present invention can have various changes in different embodiments, and it is neither departed from the scope of the present invention, and theory therein
Bright and diagram is treated as purposes of discussion in itself, and is not used to the limitation present invention.
Refering to Fig. 2, the cooling system of offshore set-up of the present invention mainly includes transmission pump 1, sub-cooled subsystem 2, high temperature
Cooling subsystem 3, temperature control subsystem 4 and regulation subsystem 7.Sub-cooled subsystem 2 is providing the path of flow of cooling water
To cool down the low temperature user of offshore set-up, High-temperature cooling subsystem 3 is set to provide the path of flow of cooling water with cooling down sea
Standby high temperature user, temperature control subsystem 4 are water-cooled to the first predetermined temperature to meet the radiating need of offshore set-up that will cool down
Ask, regulation subsystem 7 enters the cooling water flow of High-temperature cooling subsystem 3 to adjust, and transmission pump 1 is then providing cooling water
The power of transmission.Wherein, offshore set-up can be the main frame of ship or ocean platform, and its low temperature user generally comprises fuel oil cooling
Device, generator, preceding air cooler, oil cooler etc., its high temperature user generally comprise cylinder sleeve, rear air cooler etc., matched somebody with somebody according to main frame
The difference put, its low temperature user and high temperature user can be the one or more in said apparatus.To adapt to sail needs,
Antifreezing agent and preservative are added with cooling water adaptability.
The cooling water inlet that the outlet of transmission pump 1 connects sub-cooled subsystem 2 by cryogenic pipe 102 is the first import
211, the coolant outlet of sub-cooled subsystem 2 is that first outlet 212 connects High-temperature cooling subsystem by medium temperature pipeline 203
3 cooling water inlet is the second import 311, and the coolant outlet of High-temperature cooling subsystem 3 is that second outlet 312 passes through high temperature pipe
The cooling water inlet that road 304 connects temperature control subsystem 4 is also known as triple feed inlet, and the coolant outlet of temperature control subsystem 4 is the 3rd to go out
Mouth 423 connects the import of transmission pump 1 by cryogenic pipe 401.This several big part forms the circulation loop of Cooling Water flowing, cold
But water constantly circulates and is marine main engine radiating.Cryogenic pipe, medium temperature pipeline, high temperature conduit be according to its interior cooling water temperature not
The differentiation nominally made together.
Wherein, because the water needed for high-temperature water user is generally below water at low temperature user's aequum, regulation subsystem 7 is set
First outlet 212 is placed between triple feed inlet, the cooling water flow for flowing through High-temperature cooling subsystem 3 is adjusted, by height
Cooling water temperature control is the second predetermined temperature at the second outlet 312 of warm cooling subsystem 3, so that high temperature user equipment work
Make under the working environment to match.
Specifically, adjust subsystem 7 include being arranged on the second temperature-sensing valve 71 before high temperature user on medium temperature pipeline 203,
The bypass line 72 being connected with the second temperature-sensing valve 71 and the temperature sensor 73 being arranged at second outlet 312, bypass line
72 other end connects with high temperature conduit 304 and is communicated to triple feed inlet.Temperature sensor 73 passes through the temperature of the connection of cable 74 second
Valve 71 is controlled, temperature sensor 73 monitors the cooling water temperature at second outlet 312, and predetermined with second according to the temperature detected
The contrast of temperature controls the aperture of the second temperature-sensing valve 71, so as to adjust into bypass line 72 and second import 311
Cooling water flow ratio.
If the cooling water temperature at second outlet 312 is less than the second predetermined temperature, the temperature sensor 73 collects signal
And change the aperture of the second temperature-sensing valve 71 by logic control, reduce the water for flowing through High-temperature cooling subsystem 3, unnecessary water
Into bypass line 72, the heat that this mode makes to take away is reduced, and then the temperature of high temperature user is increased.If second outlet
Cooling water temperature at 312 is higher than the second predetermined temperature, and the temperature sensor 73 is collected signal and changed by logic control
The aperture of second temperature-sensing valve 71, increase flow through the water of High-temperature cooling subsystem 3, will be reduced by the flow of bypass line 72,
The heat that this mode makes to take away increases, and then reduces the temperature of high temperature user.Adjustment flow is played in the setting of bypass line
Effect, above-mentioned adjustment process perseveration, when the cooling water temperature of second outlet 312 reaches the second predetermined temperature, the second temperature
The aperture of control valve 71 is maintained at the position, the cooling water temperature of second outlet 312 is maintained at optimum temperature, accordingly
Ground, high temperature user can work under the temperature environment to match.
The operation principle of the system is as follows：The cooling water of first predetermined temperature is delivered to sub-cooled subsystem by transmission pump 1
System 2, first predetermined temperature is depending on the demand of marine main engine equipment, generally 30 DEG C~40 DEG C.Cooling water is in low temperature cold
But the heat of marine main engine low temperature user is absorbed in subsystem 2, temperature is increased to about 40 DEG C~60 DEG C, if through low temperature water cooling
But the water temperature after is not reaching to the temperature of the requirement, can also add the auxiliary equipments such as a heater.Afterwards, cooling water is in
Warm pipeline 203 is entered back into High-temperature cooling subsystem 3, continues to cool down marine main engine high temperature user, the temperature of cooling water will be notable
Rise, wherein, cooling water can be via the regulation of the second regulation subsystem 7 with suitable after being flowed out from sub-cooled subsystem 2
Flow enters High-temperature cooling subsystem 3 so that the cooling water temperature after cooling down high-temperature user reaches 80 DEG C~100 DEG C (i.e. second
Predetermined temperature).Then, the cooling water of high temperature, which enters in temperature control subsystem 4, is cooled to the first predetermined temperature, then carries out next
Circulation.
Valve 6 is equipped with before the import of transmission pump 1 and after outlet, i.e., on cryogenic pipe 401 and cryogenic pipe 102
Valve 6 is equipped with the transmission pump 1, first valve 6 can play a part of controlling cooling water flow, second by transmission pump 1 with
Other equipment is isolated, and is easy to the maintenance of transmission pump 1.
Sub-cooled subsystem 2 and High-temperature cooling subsystem 3 can set multiple cooling water paths in parallel, and to not
Same user equipment is cooled down.Three sub-cooled water passages being in parallel of sub-cooled subsystem 2 are illustrated in Fig. 2,
More paths are can also be in actual structure, different low temperature users can be cooled down respectively, each low-temperature cooling water leads to
The coolant outlet on road converges and forms first outlet 212, is then connected with High-temperature cooling subsystem 3.Each low-temperature cooling water
Path is provided with two valves 6 and the subcolling condenser 21 being arranged between two valves 6, and subcolling condenser 21 makes cold as heat exchanger
But water and low temperature user progress heat exchange, and then cooling water flow of the controllable flow through each path, and can be by low temperature cold of valve 6
But device 21 is isolated with other equipment in whole cooling system, is easy to the maintenance of subcolling condenser.
Temperature control subsystem 4 includes the temperature-sensing valve 42 of central cooler 41 and first, and central cooler 41 is cooled down by seawater
The cooling water in it is flowed through, it is provided with the 4th outlet 412 of the 4th import 411 of Cooling Water inflow and Cooling Water outflow.
First temperature-sensing valve 42 has two cooling water inlets and a coolant outlet, two cooling water inlets be respectively the 5th import 421,
6th import 422.5th import 421 and the 4th outlet 412 collectively form the triple feed inlet of temperature control subsystem 4, the 5th import 421
The second outlet 312 of High-temperature cooling subsystem 3 is connected by high temperature conduit 304 with the 4th outlet 412, the first temperature-sensing valve 42
4th outlet 412 of the 6th import 422 connection central cooler 41, the coolant outlet of the first temperature-sensing valve 42 is the 3rd outlet
The import of 423 connection transmission pumps 1.
The cooling water for carrying marine main engine heat is divided into two-way after the outflow of High-temperature cooling subsystem 3, and flow accounts for small portion
That divides is directly entered the first temperature-sensing valve 42 through the 5th import 421 all the way, and the another way that flow accounts for the overwhelming majority is transported to center
Enter the first temperature-sensing valve 42 through the 6th import 422 after the cooling of cooler 41.First temperature-sensing valve 42 carries temp regulating function, passes through
The flow-rate ratio of adjustable this two-way cooling water flowed into through the 5th import 421 and the 6th import 422 of control of its interior valve block aperture
Example, this two-way cooling water entered via the 5th import 421 and the 6th import 422 is mixed according to certain proportion, so that will be cold
But water is adjusted to be delivered to transmission pump 1 from the 3rd outlet 423 after predetermined temperature.By the cooling water of two-way different temperatures mix and
The cooling water of the first predetermined temperature is obtained, more can obtain to flexibility and reliability predetermined regulation result.Cooling water flows through the 5th
The flow (cooling water that the first temperature-sensing valve 42 is directly entered by High-temperature cooling subsystem 3) of import 421, which is less than, to be flowed through the 6th and enters
The flow (cooling water for entering the first temperature-sensing valve 42 after the cooling of central cooler 41) of mouth 422, is cooled down after can avoiding mixing
Coolant-temperature gage is too high.Valve 6 is equipped with before 4th import 411 of central cooler 41 and after the 4th outlet 412, can be to flowing through
The cooling water flow of central cooler 41 is controlled, in addition, also setting central cooler 41 and other in whole cooling system
It is standby to be isolated, it is easy to the maintenance of central cooler 41.
The present invention and prior art are introduced below by way of an examples comparative.
Exemplified by cooling down a marine main engine, using prior art cooling system when, the water by low temperature user is big
It is approximately 140m3/ h, the water by high temperature user are about 40m3/ h, total Water are both sum 180m3/h.Using the present invention
Cooling system when, cooling water only needs the water 140m needed for original low temperature user3/ h, reduces 40m compared with prior art3/
H water.In the drilling well project built, 6 main frames are equipped with, after the cooling system using the present invention, the cooling of reduction
Water is 240m3/ h, it is very considerable.Due to the reduction of water consumption, it is possible to reduce the discharge capacity and quantity of transmission pump, save and set
The space of standby arrangement, reduces platform weight, improves loading capacity, beneficial to the overall performance for improving platform.Using the skill of the present invention
Art scheme compared with prior art, cooling system lower power consumption 22%.If the water consumption proportion of high-temperature water user carries
Height, then the efficiency of the system can also improve, when water-carrying capacity needed for high/low temperature user is identical, efficiency improve reaches maximum
100%.In the cooling system of the present invention, cooling water can be controlled in suitable temperature range in system components, adapted to not
With the operating temperature demand of user, each equipment is set to be worked under suitable temperature environment.Particularly by high temperature user's
Burning of the warm water to main frame fuel provides environment preferably, and main frame efficiency of combustion improves, and has significant progressive.In order to suitable
It global should navigate by water, work, many antifreeze, corrosion-resistant chemical compositions with the addition of in the cooling water of extra large work project, some additives
Proportion can reach the 50% of cooling water inventory, and cost is very high, because water consumption is reduced, can also reduce this part of expense,
Save cost.
The cooling system of the present invention overcomes the prejudice of the parallel cooling system of prior art generally use, passes through tandem
Cooling system improve the inflow temperature of cooling down high-temperature user, so as to improve the combustibility of main frame.It is existing parallel cold
But in system, the water of general low temperature water system is more than the water of high-temperature water system, and the present invention utilizes the water of low temperature water system
Cooling down high-temperature user, water increase compensate for, because inflow temperature improves the deficiency brought, still can effectively meeting high temperature user's
Cooling requirement.
The present invention also provides a kind of ship or ocean platform using above-mentioned cooling system, basis in ship or ocean platform
Need to be cooled down using above-mentioned cooling system equipped with some main frames, each main frame.In some cases, it is of the invention
Land project can also be generalized to.
Although describing the present invention with reference to several exemplary embodiments, it is to be understood that, term used be explanation and
Exemplary and nonrestrictive term.Due to the present invention can be embodied in a variety of forms without departing from invention spirit or
Essence, it should therefore be appreciated that above-mentioned embodiment is not limited to any foregoing details, and should be limited in appended claims
Widely explained in spirit and scope, thus the whole changes fallen into claim or its equivalent scope and remodeling all should be with
Attached claim is covered.
Claims (11)
- A kind of 1. cooling system of offshore set-up, it is characterised in that including：Sub-cooled subsystem, to cool down the low temperature user of offshore set-up, its be provided with Cooling Water flow into the first import and The first outlet of Cooling Water outflow；High-temperature cooling subsystem, to cool down the high temperature user of offshore set-up, its be provided with Cooling Water flow into the second import and The second outlet of Cooling Water outflow；Temperature control subsystem, the cooling from High-temperature cooling subsystem is water-cooled into the first predetermined temperature, it is provided with cooling But the triple feed inlet and the 3rd outlet of Cooling Water outflow that water flows into；Subsystem is adjusted, to adjust the flow for entering the cooling water of high temperature user；3rd outlet connects first import by cryogenic pipe, and the first outlet passes through described in medium temperature pipeline connection Second import, the second outlet connect the triple feed inlet by high temperature conduit；The regulation subsystem is arranged at described the Between one outlet and triple feed inlet, to adjust the cooling water flow for entering second import, so as to by the second outlet Cooling water temperature control be the second predetermined temperature；The second outlet of High-temperature cooling subsystem connects temperature control by high temperature conduit The triple feed inlet of system；Wherein, the temperature control subsystem includes：Central cooler, to cool down the cooling water flowed through in it, it is provided with the 4th import of Cooling Water inflow and cooling but 4th outlet of water outflow；First temperature-sensing valve, it has the 5th import and the 6th import that Cooling Water flows into, and its coolant outlet is the described 3rd Outlet；5th import and the 4th import collectively form the triple feed inlet, connect described second by high temperature conduit Outlet, the 6th import connect the 4th outlet by cryogenic pipe, and first temperature-sensing valve will enter via the described 5th The cooling water that mouth and the 6th import enter leads to after according to ratio mixing, cooling water is adjusted to first predetermined temperature Cross the 3rd outlet output；Wherein, the regulation subsystem includes：Second temperature-sensing valve, it is arranged on the medium temperature pipeline；And temperature sensor, set The cooling water temperature at detection second outlet is sentenced in the second outlet, temperature sensor is electrically connected second temperature control Valve.
- 2. cooling system according to claim 1, it is characterised in that：The cooling water flows through the flow of the 5th import Less than the flow for flowing through the 6th import.
- 3. cooling system according to claim 1, it is characterised in that：The central cooler is cooled down described cold by seawater But water.
- 4. cooling system according to claim 1, it is characterised in that：Before 4th import of the central cooler and the Valve is equipped with after four outlets.
- 5. cooling system according to claim 1, it is characterised in that：The sub-cooled subsystem is provided with multiple in parallel Sub-cooled water passage, the coolant outlet of each sub-cooled water passage converge and form the first outlet.
- 6. cooling system according to claim 5, it is characterised in that：Each sub-cooled water passage includes two valves And the subcolling condenser being arranged between two valves.
- 7. cooling system according to claim 1, it is characterised in that the regulation subsystem also includes：Bypass line, its one end connect second temperature-sensing valve, and the other end is connected with the triple feed inlet；The temperature sensor controls the aperture of second temperature-sensing valve according to detected cooling water temperature, by described second Temperature control valve regulation enters the cooling water flow ratio of bypass line and second import.
- 8. according to the cooling system described in claim any one of 1-7, it is characterised in that：First predetermined temperature be 30 DEG C~ 40 DEG C, cooling water temperature is 40 DEG C~60 DEG C in the medium temperature pipeline, and second predetermined temperature is 80 DEG C~100 DEG C.
- 9. according to the cooling system described in claim any one of 1-7, it is characterised in that：The low temperature user bag of the offshore set-up Include the one or more in Fuel Oil Cooler, generator, preceding air cooler and oil cooler, the high temperature user of the offshore set-up Including the one or more in cylinder sleeve and rear air cooler.
- 10. a kind of ship, it is characterised in that including the cooling system as described in claim any one of 1-9.
- 11. a kind of ocean platform, it is characterised in that including the cooling system as described in claim any one of 1-9.
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| CN104802976B true CN104802976B (en) | 2018-03-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107105602B (en) * | 2017-05-05 | 2019-04-05 | 北京百度网讯科技有限公司 | Cooling water system for data center |
| KR101990469B1 (en) * | 2018-01-19 | 2019-06-18 | 주식회사 동화엔텍 | Ship cooling system for saving fuel energy |
| CN108516072B (en) * | 2018-04-20 | 2020-06-26 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | Low-temperature cooling water device for ship |
| CN109131819A (en) * | 2018-09-17 | 2019-01-04 | 中船澄西船舶修造有限公司 | A kind of large ship cabin cooling water recirculation system |
| CN109850109B (en) * | 2019-01-18 | 2021-08-31 | 中国船舶及海洋工程设计研究院（中国船舶工业集团公司第七0八研究所） | Marine dual cycle central cooling water system |
| CN112078773A (en) * | 2020-08-04 | 2020-12-15 | 沪东中华造船(集团)有限公司 | Series-parallel integrated marine cooling system and control method thereof |
| CN113815830B (en) * | 2021-11-01 | 2022-12-02 | 广船国际有限公司 | Fresh water cooling system and ship |
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