CN102180256A - Automatic temperature-control variable flow type central cooling system for ship - Google Patents
Automatic temperature-control variable flow type central cooling system for ship Download PDFInfo
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- CN102180256A CN102180256A CN2010106193654A CN201010619365A CN102180256A CN 102180256 A CN102180256 A CN 102180256A CN 2010106193654 A CN2010106193654 A CN 2010106193654A CN 201010619365 A CN201010619365 A CN 201010619365A CN 102180256 A CN102180256 A CN 102180256A
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Abstract
The invention relates to an automatic temperature-control variable flow type central cooling system for a ship, comprising a fresh water cooling pipeline and a seawater cooling pipeline, wherein the fresh water cooling pipeline comprises a low-temperature fresh water cooling pump, a device needing to be cooled and a central cooler which constitute a closed circulation pipeline; the seawater cooling pipeline comprises an open circulation pipeline consisting of a seawater cooling pump and a central cooler; and circulating fresh water flowing through the central cooler is cooled by sea water. The central cooling system is characterized in that the seawater cooling pump is connected with an automatic control unit which can control the seawater flow according to the cooling quantity of the device needing to be cooled. Through the automatic temperature-control variable flow type central cooling system for the ship, under the working condition of non-full load operation of a marine engine system of the ship, the underdeck system energy consumption and the exhaust gas discharge are effectively decreased, the operating cost of the ship is reduced and the concept of environmental friendliness is realized in the meantime.
Description
Technical field
The present invention relates to boats and ships circulating system technical field, the concrete boats and ships central cooling system that relates to.
Background technology
At present, the propulsion source of marine engine room central cooling system such as cooling water pump etc., after calculating definite type selecting, its flow and pressure generally are to keep stablizing unmodified in the course of the work.
Referring to Fig. 1, traditional fresh water cooling line is a closed cycle, by low temperature cooling fresh water pump 1 ' driving, low temperature fresh water (this moment temperature be T1) absorbs heat after through need cooling intallation 2 ' equipment such as main frame, electrical generator, air conditioner, Air compressor and middle bearings, water temperature raises (this moment, temperature was T2), and drop in temperature re-circulated to the lasting circulation cooling of each equipment realization after fresh water took heat central cooler 3 ' with refrigerated sea water to and carries out interchange of heat.The cooled with seawater pipeline is open cycle, by cooling sea water pump 4 ' driving, low temperature seawater (this moment temperature be T3) is by seawater gate temperature build-up (temperature is T4 at this moment) after cooled with seawater pipeline to central cooler 3 ' with fresh water carries out interchange of heat, be disposed to outboard then, draw new low temperature seawater by outboard again and continue interchange of heat.
In the conventional central cooling system heat exchanging process, the model of central cooler and each cooling water pump is just no longer changed once selected with parameter, and no matter whether the required cooling power of system is constant, and the flow of pump and pressure all are unmodifieds.When not needing too many refrigerating capacity, a large amount of energy are wasted, and energy consumption is serious.
By sensor measurement sea temperature height, the needed cooling power of computing system, by the flow of system's automatically regulating (variable frequency control motor speed or by changing the valve latus rectum) cooling water pump, to reach the purpose of variotrol cooling water inflow.Can effectively reduce system energy consumption when expander system does not need very big cooling power by this method, cost-cutting and oxycarbide quantity discharged are to environmental protection with improve that operation is economical all will to produce positive impact.
Summary of the invention
Technical matters to be solved by this invention is, overcomes problems of the prior art, and a kind of automatic temperature-controlled variable flow type boats and ships central cooling system is provided.Be mainly large-scale turbine engine installation cooling system energy-saving scheme and device, can be used for reducing the energy consumption of marine engine room central cooling system, cut operating costs, increase economic efficiency.
In order to address the above problem technical scheme of the present invention is such:
Automatic temperature-controlled variable flow type boats and ships central cooling system, comprise fresh water cooling line and cooled with seawater pipeline, the fresh water cooling line comprises low temperature cooling fresh water pump, need cooling intallation and the central cooler that constitutes the closed cycle pipeline, the cooled with seawater pipeline comprises the open cycle pipeline that a cooling sea water pump and central cooler constitute, at the central cooler place, the circulation fresh water that seawater will be flowed through herein cools off, it is characterized in that described cooling sea water pump connection one can be controlled the automatic control unit of seawater flow according to need cooling intallation amount of cooling water.
Described fresh water cooling line is provided with a temperature sensor, and temperature sensor is arranged on the central cooler of flowing through, and finishes on the interchange of heat cooling fresh water line afterwards with refrigerated sea water, and temperature sensor connects automatic control unit by signal transmission line.
The control method of this system is: the temperature value that records when sensor is lower than the temperature value that cooling system requires, and after the lasting regular hour, illustrate that then the equipment component in the cooling system is in the operating mode of non-full load operation, required cooling power decreases;
To automatic control unit, automatic control unit obtains cooling power by computational analysis and changes the required refrigerated sea water amount in back temperature sensor, sends control command, regulates the flow of cooling sea water pump, makes cooling system reach new balance with information transfer.
The control method of this system is: the temperature value that records when sensor is lower than the temperature value that cooling system requires, and after the lasting regular hour, illustrate that then the equipment component in the cooling system is in the operating mode of non-full load operation, required cooling power decreases;
To automatic control unit, automatic control unit obtains cooling power by computational analysis and changes the required refrigerated sea water amount in back temperature sensor, sends control command, regulates the flow of cooling sea water pump, makes cooling system reach new balance with information transfer.
In view of some medium and small-scale vessels adopt middle-size and small-size main frame, electrical generator, and these mechanical equipments can directly use cooled with seawater.The cold central authorities of the automatic temperature-controlled variable flow type boats and ships but principle of system can be applied to this type of salt water cooling system equally.
The cooled with seawater pipeline provides the equipment that power directly offers refrigerated sea water needs cooling by cooling sea water pump, and cooling sea water pump connects the automatic control unit that can control seawater flow according to the amount of cooling water of cooling intallation.
Beneficial effect, can be under the operating mode of the non-full load operation of marine engine room system by automatic temperature-controlled variable flow type boats and ships central cooling system, effectively reduce system energy consumption and discharge amount of exhaust gas under the deck, realized the theory of environmental protection when reducing vessel operating cost.
Description of drawings
Describe the present invention in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is existing boats and ships central cooling system principle schematic.
Fig. 2 is an automatic temperature-controlled variable flow type boats and ships central cooling system principle schematic of the present invention.
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
Referring to Fig. 2, automatic temperature-controlled variable flow type boats and ships central cooling system comprises fresh water cooling line and cooled with seawater pipeline.
The fresh water cooling line comprises low temperature cooling fresh water pump 1, need cooling intallation 2, central cooler 3, and low temperature cooling fresh water pump 1, need cooling intallation 2, central cooler 3 constitutes the fresh water circulation lines.Need cooling intallation 2 to comprise main frame, electrical generator, air conditioner, Air compressor and middle bearing etc., mainly consume the cold energy in the fresh water circulation.Low temperature cooling fresh water pump 1 is as the whole fresh water circulating system running of power driven.Central cooler 3 is mainly used in the fresh water in the cooling recirculation system, and the type of cooling is that heat and the circulating seawer in the fresh water circulating system exchanges.
The cooled with seawater pipeline comprises the open cycle pipeline that a cooling sea water pump 4 and central cooler 3 constitute, at the central cooler place, the circulation fresh water that seawater will be flowed through herein cools off, and the cooled with seawater pipeline has two water valves, and one is used to into that one in water is used for water outlet.
Low temperature fresh water (temperature is T1=36 ℃) absorbs heat after through equipment such as main frame, electrical generator, air conditioner, Air compressor and middle bearings, water temperature raises (temperature is T2=52.26 ℃), and fresh water takes heat to central cooler and refrigerated sea water to carry out behind the interchange of heat drop in temperature and re-circulate to each equipment and realize lasting circulation cooling.The cooled with seawater pipeline is open cycle, drive by cooling sea water pump, low temperature seawater (temperature is T3=32 ℃) is by seawater gate temperature build-up (temperature is T4=43.86 ℃) after cooled with seawater pipeline to central cooler and fresh water carries out interchange of heat, be disposed to outboard then, draw new low temperature seawater by outboard again and continue interchange of heat.
Described cooling sea water pump connection one can be controlled automatic control unit 5 and temperature sensor 6 of seawater flow according to need cooling intallation amount of cooling water.
H Exch mouth (for example main frame and electrical generator jacket water cooling vessel, lubricating oil cooler mouth) at the need cooling intallation is established a temperature sensor, be lower than the demarcation temperature of this device design when the cooler outlet temperature, and after the lasting regular hour, illustrate that then the equipment component in the cooling system is in the operating mode of non-full load operation, required cooling power decreases;
To automatic control unit, automatic control unit obtains cooling power by computational analysis and changes the required refrigerated sea water amount in back temperature sensor, sends control command, regulates the flow of cooling sea water pump, makes cooling system reach new balance with information transfer.
Be generally and add temperature sensor 6 and automatic control unit 5 in the cooling recirculation system.Temperature sensor 6 is arranged on the central cooler 3 of flowing through, and finishes on the interchange of heat cooling fresh water line afterwards with refrigerated sea water, is used for gathering the cooling fresh water temperature T 1 of measuring expander system.When the value of T1 is lower than the temperature value that cooling system requires, and after the lasting regular hour, illustrate that then the equipment component in the cooling system is in the operating mode of non-full load operation, required cooling power decreases.Temperature sensor 6 is after measuring collecting temperature information, with information transfer to automatic control unit 5, automatic control unit 5 obtains cooling power by computational analysis and changes the required refrigerated sea water amount in back, send control command, the flow of automatically regulating cooling sea water pump 4, cut down the consumption of energy, make cooling system reach new balance.
More than show and described groundwork of the present invention, principal character and advantage of the present invention.The technical personnel of the industry should be understood; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the specification sheets just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (3)
1. automatic temperature-controlled variable flow type boats and ships central cooling system, comprise fresh water cooling line and cooled with seawater pipeline, the fresh water cooling line comprises low temperature cooling fresh water pump, need cooling intallation and the central cooler that constitutes the closed cycle pipeline, the cooled with seawater pipeline comprises the open cycle pipeline that a cooling sea water pump and central cooler constitute, at the central cooler place, the circulation fresh water that seawater will be flowed through herein cools off, it is characterized in that described cooling sea water pump connection one can be controlled the automatic control unit of seawater flow according to need cooling intallation amount of cooling water.
2. automatic temperature-controlled variable flow type boats and ships central cooling system according to claim 1, it is characterized in that, described fresh water cooling line is provided with a temperature sensor, temperature sensor is arranged on the central cooler of flowing through, and finish on the cooling fresh water line after the interchange of heat with refrigerated sea water, temperature sensor connects automatic control unit by signal transmission line.
3. the control method of automatic temperature-controlled variable flow type boats and ships central cooling system, it is characterized in that: the temperature value that records when sensor is lower than the temperature value that cooling system requires, and after the lasting regular hour, illustrate that then the equipment component in the cooling system is in the operating mode of non-full load operation, required cooling power decreases;
To automatic control unit, automatic control unit obtains cooling power by computational analysis and changes the required refrigerated sea water amount in back temperature sensor, sends control command, regulates the flow of cooling sea water pump, makes cooling system reach new balance with information transfer.
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| CN2010106193654A CN102180256A (en) | 2010-12-30 | 2010-12-30 | Automatic temperature-control variable flow type central cooling system for ship |
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| CN2010106193654A CN102180256A (en) | 2010-12-30 | 2010-12-30 | Automatic temperature-control variable flow type central cooling system for ship |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102490891A (en) * | 2011-11-20 | 2012-06-13 | 渤海造船厂集团有限公司 | Boat low-temperature fresh water flow rate distribution regulation method |
| CN103085962A (en) * | 2011-10-27 | 2013-05-08 | 中集船舶海洋工程设计研究院有限公司 | Cooling system of self-elevating type ocean platform |
| CN103448899A (en) * | 2013-08-27 | 2013-12-18 | 洛阳双瑞精铸钛业有限公司 | Central cooling system for ship |
| CN103979097A (en) * | 2014-04-28 | 2014-08-13 | 浙江海洋学院 | Air conditioner for ship |
| CN103979096A (en) * | 2014-04-28 | 2014-08-13 | 浙江海洋学院 | Combined air conditioning system |
| CN106275358A (en) * | 2016-09-27 | 2017-01-04 | 上海斯达瑞船舶海洋工程服务有限公司 | A kind of salt water cooling system method for controlling frequency conversion peculiar to vessel and system |
| CN106545934A (en) * | 2016-10-27 | 2017-03-29 | 江苏科技大学 | A kind of deep-sea space station equipment compartment cooling system and its control method |
| 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 |
| CN110906765A (en) * | 2019-12-03 | 2020-03-24 | 南通旭日船用机械有限公司 | Fresh water frequency conversion control method and system for plate cooler |
| CN112078744A (en) * | 2020-08-11 | 2020-12-15 | 沪东中华造船(集团)有限公司 | Method for running generator in ship dock |
| CN113697080A (en) * | 2021-07-23 | 2021-11-26 | 中国船舶重工集团公司第七一九研究所 | Ship centralized cooling system and ship |
| CN113734408A (en) * | 2021-07-23 | 2021-12-03 | 中国船舶重工集团公司第七一九研究所 | Operation method and operation control device of ship centralized cooling system |
| CN113847136A (en) * | 2021-10-27 | 2021-12-28 | 浙江吉利控股集团有限公司 | Control method of engine cooling system, vehicle and computer storage medium |
| CN114030584A (en) * | 2021-09-16 | 2022-02-11 | 连云港鸿云实业有限公司 | Water cooling system for simultaneously using seawater and fresh water and pure electric tug comprising same |
| CN114148499A (en) * | 2021-12-09 | 2022-03-08 | 江南造船(集团)有限责任公司 | Automatic control system and method for fresh water cooling of ship |
| CN114987677A (en) * | 2022-04-28 | 2022-09-02 | 中国船舶重工集团公司第七一九研究所 | Ship drag reduction system, ship and ship drag reduction method |
| CN117006019A (en) * | 2023-10-07 | 2023-11-07 | 山东烯泰天工节能科技有限公司 | Cooling tube bundle for ship-borne compressor |
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Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103085962A (en) * | 2011-10-27 | 2013-05-08 | 中集船舶海洋工程设计研究院有限公司 | Cooling system of self-elevating type ocean platform |
| CN102490891B (en) * | 2011-11-20 | 2014-06-18 | 渤海造船厂集团有限公司 | Boat low-temperature fresh water flow rate distribution regulation method |
| CN102490891A (en) * | 2011-11-20 | 2012-06-13 | 渤海造船厂集团有限公司 | Boat low-temperature fresh water flow rate distribution regulation method |
| CN103448899A (en) * | 2013-08-27 | 2013-12-18 | 洛阳双瑞精铸钛业有限公司 | Central cooling system for ship |
| CN103448899B (en) * | 2013-08-27 | 2017-02-08 | 洛阳双瑞精铸钛业有限公司 | Central cooling system for ship |
| CN103979096B (en) * | 2014-04-28 | 2017-06-16 | 浙江海洋学院 | A kind of combined air conditioning system |
| CN103979097A (en) * | 2014-04-28 | 2014-08-13 | 浙江海洋学院 | Air conditioner for ship |
| CN103979096A (en) * | 2014-04-28 | 2014-08-13 | 浙江海洋学院 | Combined air conditioning system |
| CN103979097B (en) * | 2014-04-28 | 2017-06-16 | 浙江海洋学院 | A kind of marine air conditioner |
| CN106275358A (en) * | 2016-09-27 | 2017-01-04 | 上海斯达瑞船舶海洋工程服务有限公司 | A kind of salt water cooling system method for controlling frequency conversion peculiar to vessel and system |
| CN106545934B (en) * | 2016-10-27 | 2019-05-21 | 江苏科技大学 | A kind of deep-sea space station equipment compartment cooling system and its control method |
| CN106545934A (en) * | 2016-10-27 | 2017-03-29 | 江苏科技大学 | A kind of deep-sea space station equipment compartment cooling system and its control method |
| 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 |
| CN110906765A (en) * | 2019-12-03 | 2020-03-24 | 南通旭日船用机械有限公司 | Fresh water frequency conversion control method and system for plate cooler |
| CN112078744A (en) * | 2020-08-11 | 2020-12-15 | 沪东中华造船(集团)有限公司 | Method for running generator in ship dock |
| CN113697080A (en) * | 2021-07-23 | 2021-11-26 | 中国船舶重工集团公司第七一九研究所 | Ship centralized cooling system and ship |
| CN113734408A (en) * | 2021-07-23 | 2021-12-03 | 中国船舶重工集团公司第七一九研究所 | Operation method and operation control device of ship centralized cooling system |
| CN114030584A (en) * | 2021-09-16 | 2022-02-11 | 连云港鸿云实业有限公司 | Water cooling system for simultaneously using seawater and fresh water and pure electric tug comprising same |
| CN113847136A (en) * | 2021-10-27 | 2021-12-28 | 浙江吉利控股集团有限公司 | Control method of engine cooling system, vehicle and computer storage medium |
| CN114148499A (en) * | 2021-12-09 | 2022-03-08 | 江南造船(集团)有限责任公司 | Automatic control system and method for fresh water cooling of ship |
| CN114148499B (en) * | 2021-12-09 | 2022-11-15 | 江南造船(集团)有限责任公司 | Automatic control system and method for fresh water cooling of ship |
| CN114987677A (en) * | 2022-04-28 | 2022-09-02 | 中国船舶重工集团公司第七一九研究所 | Ship drag reduction system, ship and ship drag reduction method |
| CN114987677B (en) * | 2022-04-28 | 2024-06-07 | 中国船舶重工集团公司第七一九研究所 | Ship drag reduction system, ship and ship drag reduction method |
| CN117006019A (en) * | 2023-10-07 | 2023-11-07 | 山东烯泰天工节能科技有限公司 | Cooling tube bundle for ship-borne compressor |
| CN117006019B (en) * | 2023-10-07 | 2024-01-09 | 山东烯泰天工节能科技有限公司 | Cooling tube bundle for ship-borne compressor |
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Application publication date: 20110914 |