CN106939823A - A kind of open cooling system to improve cooling system efficiency applied to marine low-speed machine exhaust gas turbine - Google Patents

A kind of open cooling system to improve cooling system efficiency applied to marine low-speed machine exhaust gas turbine Download PDF

Info

Publication number
CN106939823A
CN106939823A CN201710283377.6A CN201710283377A CN106939823A CN 106939823 A CN106939823 A CN 106939823A CN 201710283377 A CN201710283377 A CN 201710283377A CN 106939823 A CN106939823 A CN 106939823A
Authority
CN
China
Prior art keywords
turbine
compressor
radiator
cooling system
cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710283377.6A
Other languages
Chinese (zh)
Inventor
丁宇
李金成
向拉
王奎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harbin Engineering University
Original Assignee
Harbin Engineering University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Harbin Engineering University filed Critical Harbin Engineering University
Priority to CN201710283377.6A priority Critical patent/CN106939823A/en
Publication of CN106939823A publication Critical patent/CN106939823A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
    • F02B37/013—Engines characterised by provision of pumps driven at least for part of the time by exhaust with exhaust-driven pumps arranged in series
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
    • F01P5/08—Use of engine exhaust gases for pumping cooling-air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P7/00—Controlling of coolant flow
    • F01P7/14—Controlling of coolant flow the coolant being liquid
    • F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
    • F01P7/164—Controlling of coolant flow the coolant being liquid by thermostatic control by varying pump speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
    • F01P2005/105—Using two or more pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2050/00—Applications
    • F01P2050/02—Marine engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2050/00—Applications
    • F01P2050/02—Marine engines
    • F01P2050/06—Marine engines using liquid-to-liquid heat exchangers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)

Abstract

It is an object of the invention to provide a kind of open cooling system to improve cooling system efficiency applied to marine low-speed machine exhaust gas turbine, including cylinder, radiator, compressor, first turbine, radiator compressor, second turbine, heat exchanger, compressor and the first turbine are coaxial, radiator compressor and the second turbine are coaxial, first turbine is connected with the second turbine, cylinder air inlet connects the outlet of compressor, cylinder exhaust port connects the import of the first turbine, the outlet of radiator compressor connects the import of compressor through radiator, the water outlet of heat exchanger connects the cooling entrance of cylinder through fresh water pump, the coolant outlet of cylinder connects the fresh water entrance of heat exchanger through radiator, the seawater inlet connection sea water pump of heat exchanger.The present invention can improve diesel exhaust turbine efficiency, reduce gas handling system power input to compressor, can be according to the different Operating condition adjustment cooling system efficiency of diesel engine.

Description

It is a kind of applied to marine low-speed machine exhaust gas turbine to improve opening for cooling system efficiency Formula cooling system
Technical field
The present invention relates to a kind of diesel engine, specifically marine low speed diesel engine cooling system.
Background technology
During diesel engine works, the fuel gas temperature in cylinder may be up to 2500 DEG C.Heat produced by burning only has one Divide and be converted into mechanical work, make internal combustion engine operation and externally output acting；The waste gas that another part heat is discharged is taken away；Also one Partial heat is transmitted to combustion engine unit through various heat transfer types.The function of cooling system is timely and appropriate handle in hot conditions The heat that the parts of lower work are absorbed is dispersed into air, keeps internal combustion engine to be worked at optimum temperature.
According to the difference of cooling medium, the cooling system of internal combustion engine has water-cooled and air-cooled two kinds of forms.Using air as medium Cooling system be referred to as air cooling system, the system using coolant as cooling medium is referred to as water-cooling system.According to the circulation of coolant Mode, water-cooling system is divided into forced circulation water-cooling system and Natural Circulation water-cooling system.Marine diesel is typically all to use water Pump, which is done, forces hydronic, different according to cooling water circulation circuit, can be divided into open type and closed cooling system.Existing open type Cooling system can not carry out the change of cooling effectiveness according to the different operating modes of diesel engine.
The content of the invention
It is an object of the invention to provide cool down cylinder cooling water using air to apply so as to improve a kind of of cooling effect In the open cooling system to improve cooling system efficiency of marine low-speed machine exhaust gas turbine.
The object of the present invention is achieved like this：
A kind of open cooling system to improve cooling system efficiency applied to marine low-speed machine exhaust gas turbine of the invention, It is characterized in that：Including cylinder, radiator, compressor, the first turbine, radiator compressor, the second turbine, heat exchanger, calm the anger Machine and the first turbine are coaxial, and radiator compressor and the second turbine are coaxial, and the first turbine is connected with the second turbine, cylinder air inlet The outlet of compressor is connected, cylinder exhaust port connects the import of the first turbine, and the outlet of radiator compressor is connected through radiator The import of compressor, the water outlet of heat exchanger connects the cooling entrance of cylinder through fresh water pump, and the coolant outlet of cylinder is through dissipating Hot device connects the fresh water entrance of heat exchanger, the seawater inlet connection sea water pump of heat exchanger.
The present invention can also include：
1st, temperature sensor is also included, temperature sensor connects coolant outlet and the sea of cylinder by temperature signal line respectively Water pump.
Advantage of the invention is that：The present invention can improve diesel exhaust turbine efficiency, reduce gas handling system compressor Wasted work, can be according to the different Operating condition adjustment cooling system efficiency of diesel engine.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Embodiment
Illustrate below in conjunction with the accompanying drawings and the present invention is described in more detail：
With reference to Fig. 1, the invention mainly comprises：Radiator compressor 1, air pipe line 2, high pressure airline I 3, radiator 4th, radiator high pressure airline 5, radiator cooling water pipeline I 6, radiator cooling water pipeline II 7, temperature sensor 8, temperature Signal wire 9, sea water pump 10, seawaterline 11, heat exchanger 12, fresh water line 13, fresh water pump 14, high pressure airline II 16, Compressor 17, air intake duct 18, turbine I 19, turbine II 20.
Waste gas drives radiator compressor 1 by turbine II, makes pressure-air high speed impact radiator 4, and reduction cylinder is cold But coolant-temperature gage, pressure-air is passed through the front end of gas handling system compressor 17 by pipeline, compressor 17 is mixed into air, drops The low wasted work of compressor 17, while the efficiency of 8 feedback control heat exchanger of temperature sensor 12, makes diesel engine cooling system to fit Close the demand of different operating modes.
The efficiency of 8 feedback control heat exchanger of temperature sensor 12 is；Temperature sensor 8 is according to cylinder cooling water temperature control The heat exchanged in sea water pump 10 and the rotating speed of fresh water pump 14, and then control seawater flow and fresh-water flow, such heat exchanger 12 Amount can change, and reach the purpose of adjustable temperature cooling system.
The driving radiator of turbine II 20 compressor 1, the mesohigh air-impingement radiator 4 of high pressure airline I 3, radiator The mesohigh air of high pressure airline 5 enter compressor 17, temperature sensor 8 by temperature signal line 9 control sea water pump 10 with And fresh water pump 14.
Operation principle of the present invention：Cylinder waste gas is passed through the driving radiator of turbine II 20 compressor 1, and air is calmed the anger through radiator Machine 1 becomes pressure-air and radiator 4 is cooled down, and the pressure-air through radiator 4 enters compressor 17 through further supercharging Enter cylinder afterwards, temperature sensor 8 crosses top adjustment sea water pump 10 and the increase of the rotating speed of fresh water pump 14 according to cylinder cooling water temperature, Cooling fresh water in heat exchanger 12 in heat-shift increase, fresh water line 13 enters cylinder, cylinder cooling with lower temperature Coolant-temperature gage is reduced, and temperature sensor releases heat alert, and cooling system returns normal work.

Claims (2)

1. a kind of open cooling system to improve cooling system efficiency applied to marine low-speed machine exhaust gas turbine, its feature It is：Including cylinder, radiator, compressor, the first turbine, radiator compressor, the second turbine, heat exchanger, compressor and One turbine is coaxial, and radiator compressor and the second turbine are coaxial, and the first turbine is connected with the second turbine, cylinder air inlet connection pressure The outlet of mechanism of qi, cylinder exhaust port connects the import of the first turbine, and the outlet of radiator compressor connects compressor through radiator Import, the water outlet of heat exchanger connects the cooling entrance of cylinder through fresh water pump, and the coolant outlet of cylinder connects through radiator The fresh water entrance of logical heat exchanger, the seawater inlet connection sea water pump of heat exchanger.
2. it is according to claim 1 it is a kind of applied to marine low-speed machine exhaust gas turbine to improve opening for cooling system efficiency Formula cooling system, it is characterized in that：Also include temperature sensor, temperature sensor connects the cold of cylinder by temperature signal line respectively But export and sea water pump.
CN201710283377.6A 2017-04-26 2017-04-26 A kind of open cooling system to improve cooling system efficiency applied to marine low-speed machine exhaust gas turbine Pending CN106939823A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710283377.6A CN106939823A (en) 2017-04-26 2017-04-26 A kind of open cooling system to improve cooling system efficiency applied to marine low-speed machine exhaust gas turbine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710283377.6A CN106939823A (en) 2017-04-26 2017-04-26 A kind of open cooling system to improve cooling system efficiency applied to marine low-speed machine exhaust gas turbine

Publications (1)

Publication Number Publication Date
CN106939823A true CN106939823A (en) 2017-07-11

Family

ID=59464752

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710283377.6A Pending CN106939823A (en) 2017-04-26 2017-04-26 A kind of open cooling system to improve cooling system efficiency applied to marine low-speed machine exhaust gas turbine

Country Status (1)

Country Link
CN (1) CN106939823A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110332036A (en) * 2019-07-02 2019-10-15 哈尔滨工程大学 A kind of closed cooling system recycling diesel engine bypass exhaust energy
CN115434833A (en) * 2022-09-30 2022-12-06 南通中远海运川崎船舶工程有限公司 Novel cooling water system of EGR host computer

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010023588A1 (en) * 2000-03-27 2001-09-27 Komatsu Ltd. Diesel engine with supercharger
JP2004225586A (en) * 2003-01-22 2004-08-12 Toyota Motor Corp Control device for multi-stage turbocharger
CN101205829A (en) * 2006-12-20 2008-06-25 万国引擎知识产权有限责任公司 Model-based turbocharger control
DE102008015591A1 (en) * 2008-03-26 2009-10-01 Volkswagen Ag Internal-combustion engine i.e. diesel engine, has coolant valve for loading air cooler with coolant from low temperature coolant circuit and engine coolant circuit downstream engine block and upstream to engine cooler
US20100095941A1 (en) * 2006-10-24 2010-04-22 Nicolas Auffret Internal combustion engine comprising an exhaust gas recirculation system
CN101855428A (en) * 2007-11-16 2010-10-06 斯堪尼亚商用车有限公司 Arrangement at a supercharged combustion engine
US20110020152A1 (en) * 2008-04-08 2011-01-27 Volvo Lastvagnar Ab Compressor
CN103485874A (en) * 2013-10-10 2014-01-01 河南柴油机重工有限责任公司 Single-cycle mixing cooling system of diesel machine for ship and cooling method
CN206636643U (en) * 2017-04-26 2017-11-14 哈尔滨工程大学 It is a kind of applied to marine low-speed machine exhaust gas turbine to improve the open cooling system of cooling system efficiency

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010023588A1 (en) * 2000-03-27 2001-09-27 Komatsu Ltd. Diesel engine with supercharger
JP2004225586A (en) * 2003-01-22 2004-08-12 Toyota Motor Corp Control device for multi-stage turbocharger
US20100095941A1 (en) * 2006-10-24 2010-04-22 Nicolas Auffret Internal combustion engine comprising an exhaust gas recirculation system
CN101205829A (en) * 2006-12-20 2008-06-25 万国引擎知识产权有限责任公司 Model-based turbocharger control
CN101855428A (en) * 2007-11-16 2010-10-06 斯堪尼亚商用车有限公司 Arrangement at a supercharged combustion engine
DE102008015591A1 (en) * 2008-03-26 2009-10-01 Volkswagen Ag Internal-combustion engine i.e. diesel engine, has coolant valve for loading air cooler with coolant from low temperature coolant circuit and engine coolant circuit downstream engine block and upstream to engine cooler
US20110020152A1 (en) * 2008-04-08 2011-01-27 Volvo Lastvagnar Ab Compressor
CN103485874A (en) * 2013-10-10 2014-01-01 河南柴油机重工有限责任公司 Single-cycle mixing cooling system of diesel machine for ship and cooling method
CN206636643U (en) * 2017-04-26 2017-11-14 哈尔滨工程大学 It is a kind of applied to marine low-speed machine exhaust gas turbine to improve the open cooling system of cooling system efficiency

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110332036A (en) * 2019-07-02 2019-10-15 哈尔滨工程大学 A kind of closed cooling system recycling diesel engine bypass exhaust energy
CN110332036B (en) * 2019-07-02 2024-04-30 哈尔滨工程大学 Closed cooling system for recycling energy of bypass waste gas of diesel engine
CN115434833A (en) * 2022-09-30 2022-12-06 南通中远海运川崎船舶工程有限公司 Novel cooling water system of EGR host computer

Similar Documents

Publication Publication Date Title
CN206221051U (en) A kind of engine split independent cooling system
JP2007239513A (en) Auxiliary device of supercharger using exhaust heat energy of egr gas
CN103334820B (en) Thermal control system and method of automobile engine
RU2009129260A (en) COOLING SYSTEM, COOLING METHOD AND ENERGY SAVING SYSTEM
CN209083392U (en) A kind of vehicle and its engine-cooling system
CN206636643U (en) It is a kind of applied to marine low-speed machine exhaust gas turbine to improve the open cooling system of cooling system efficiency
CN106939823A (en) A kind of open cooling system to improve cooling system efficiency applied to marine low-speed machine exhaust gas turbine
US11215108B2 (en) High-low temperature radiator for internal combustion engine engineering machinery
CN206503637U (en) A kind of heavy-duty commercial vehicle fan cooling system
CN204492956U (en) A kind of use for diesel engine water-cooled and air-cooled interactive sink
CN112311148A (en) Self-adaptive mining dump truck motor water-cooling heat dissipation system
CN101608568A (en) A kind of cooling system of turbosupercharged engine
CN106870098A (en) A kind of engine-cooling system
CN104121086A (en) Intercooler
CN204371475U (en) A kind of aboveground Construction traffic motor over-temperature protection
CN203362285U (en) Heat control system of automobile engine
CN203335412U (en) Air compressor combined cooling device
CN206319946U (en) Cabin cooling device of generator set
CN107143410A (en) A kind of one-cylinder diesel unit Multifunctional water-cooling system
CN201448144U (en) Novel efficient energy saver for internal combustion engine
JPS6112101B2 (en)
CN108425737A (en) Small-sized single cylinder water-cooled diesel engine
CN105332783B (en) The cooling system that water-cooled diesel engine integrated form axle center is arranged symmetrically
CN208024453U (en) Small-sized single cylinder water-cooled diesel engine
WO2019153499A1 (en) Engine oil supply system for v-type multi-cylinder diesel engine

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20170711