CN202039970U - Cooling circulating device for combustion motor - Google Patents

Cooling circulating device for combustion motor Download PDF

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Publication number
CN202039970U
CN202039970U CN2011201301173U CN201120130117U CN202039970U CN 202039970 U CN202039970 U CN 202039970U CN 2011201301173 U CN2011201301173 U CN 2011201301173U CN 201120130117 U CN201120130117 U CN 201120130117U CN 202039970 U CN202039970 U CN 202039970U
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China
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cooling
oil
water
combustion engine
internal
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Expired - Lifetime
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CN2011201301173U
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Chinese (zh)
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贾安全
鲁雪生
程俊峰
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Ningbo Baosi Energy Equipment Co Ltd
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Ningbo Baosi Energy Equipment Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

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  • Lubrication Of Internal Combustion Engines (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)

Abstract

A cooling circulating device for a combustion motor comprises a base oil pool, a water distribution device with a water cooling channel and an oil distribution device with an oil cooling channel. The water cooling channel and the oil cooling channel are arranged in an evaporator arranged at the outlet end of a screw expansion machine, a condenser is arranged between the evaporator and the screw expansion machine, and a rotating speed control valve is arranged at the inlet end of the screw expansion machine. A working medium pump and a one-way valve are sequentially arranged between the condenser and the evaporator, the flow direction of the one-way valve is opposite to that of the oil cooling channel and the water cooling channel. The cooling circulating device has the advantages of reasonably allocating a lubrication system, a cooling circulation system of the existing combustion motor and a generator system of a double working medium screw expansion machine, thereby omitting an oil cooling device and a water cooling device, generating the novel cooling circulating device for the combustion motor which can not only improve efficiency of the combustion motor, but also improve thermal pollution of environment around. The cooling circulating device has remarkable social benefits and economic benefits, has no damage on functions and operational reliability of the existing combustion motor system.

Description

A kind of internal-combustion engine cooling-cycle device
Technical field
The utility model relates to technical field of internal combustion engines; Specifically refer to a kind of internal-combustion engine cooling-cycle device field; The utility model can reclaim the waste heat in the described internal combustion engine parts cooling procedure, to improve its operational efficiency, can reduce the thermo-pollution to surrounding enviroment simultaneously again.
Background technique
Internal-combustion engine is as the dynamic power machine of current a kind of extensive use, and Annual output both at home and abroad is huge; Wherein, China reaches 6,700 ten thousand in 2009 Annual output, and total output is 11.3 hundred million kilowatts; This year the fuel oil that consumed of internal-combustion engine account for China then the oil total flow about 60%.
At present, the operational efficiency of domestic and international most of internal-combustion engines is about 40~46%; The most of heat that is wherein produced is taken away by combustion gas in the internal combustion engine operation process and the cooling water in the cooling recirculation system, and the heat that this cooling water is taken away accounts for 10~22% of fuel total amount of heat.
Described internal combustion engine parts mainly are divided into moving element 81 and 8 liang of big classes of fixed component: moving element such as bent axle, piston, connecting rod, gear, bearing etc., be in operation and lubricate and cooling it, rely on oil circulation system to realize at present, and the lubricant oil in this oil circulation system is to realize cooling off by the recirculated cooling water in the cooling recirculation system (or wind); Fixed component such as cylinder body, cylinder cap, outlet pipe etc., being in operation also needs its cooling, also is to realize by the cooling water in the cooling recirculation system.
The present majority of described internal-combustion engine cooling recirculation system is a closed cycle, and it is made up of the cool cycles of lubricant oil and the cool cycles of cooling water.The heat of this lubricant oil and cooling water is walked by water (or wind) cold belt of open type, and recirculation is used; The heat that the water of this open type (or wind) cold belt is walked all is thrown in the surrounding enviroment usually, has not only wasted a large amount of fuel, causes the thermo-pollution to surrounding enviroment again.
Described its working procedure of moving element lubricant oil cooling recirculation system is: by the high temperature grease in internal-combustion engine base 2 oil sumps, enter oil pump 4 by coarse-grain filtering device 3, the pressure of this high temperature grease enters fine filter 5 after raising, become subzero oil after the high temperature grease of the cleaning after the filtration cools off by oil cooler and enter oil separator 1, each moving element 81 that this oil separator is dispensed into internal-combustion engine to the subzero oil of cleaning respectively is lubricated and cools off, then, the oil temperature of this subzero oil is for raising gradually, becoming high temperature grease returns in the described base oil sump, as shown in Figure 2; Like this, the heat of moving element is taken away in circulation constantly, and internal combustion engine operation is remained in the specified limit of temperature rise.
The cooling source of described oil cooler is by cold the providing of the water of open type (or wind); It comprises cooling water (or wind) inlet, cooling water (or wind) outlet, and they all are open cycles, and in this open cycle process, described oil cooling but water out can take heat in the environment to, thereby environment is caused thermo-pollution.
Described its working procedure of fixed component cooling recirculation system is: enter water pump 9 and the pressure laggard water filter 10 of going into that raises by the high-temperature cooling water in the fixed component 8, the high-temperature cooling water of cleaning enters water cooler again, enter water dispenser 7 through cooled low temperature clean water, after each fixed component that this water dispenser is dispensed into internal-combustion engine to the water of cleaning low temperature respectively cools off, water temperature raises, and this high-temperature water enters water pump 9 again; The heat of each fixed block is taken away in so continuous periodic duty, makes to remain in the specified limit of temperature rise.The cooling source of described water cooler is by cold the providing of open type water (or wind); It comprises cooling water (or wind) inlet, cooling water (or wind) outlet, and they are open cycles, and in this open cycle process, described coolant outlet can take heat in the environment to equally, and environment is caused thermo-pollution; As shown in Figure 2.
The model utility content
Technical problem to be solved in the utility model is at the prior art situation, provides a kind of and not only can improve the efficiency of internal combustion engine, but also can reduce internal-combustion engine cooling-cycle device to the surrounding enviroment thermo-pollution.
The utility model solves the problems of the technologies described above the technological scheme that is adopted: a kind of internal-combustion engine cooling-cycle device, the internal-combustion engine base that comprises a band oil sump, this base is provided with fixed component and moving element, this moving element is provided with oil separator, in this oil separator lubricant oil enter each moving element be lubricated with cool off after, enter described base, again through filter, oil pump and oil cooling but passage be back to described oil separator; Described fixed component is provided with water dispenser, after cooling water enters each fixed component and cools off in this water dispenser, through water pump and water cooling passageway, is back to described water dispenser; It is characterized in that: described oil cooling but passage, described water cooling passageway is arranged in the vaporizer of screw expander outlet end; Between described screw expander and the described vaporizer, be provided with condenser.
But passage, water cooling passageway are arranged on structure in the screw expander outlet end vaporizer to adopt above oil cooling, saved original oil cooler and water cooler two big parts, realized not only can reclaiming waste heat in the internal-combustion engine cooling procedure, but also can reduce double benefit the thermo-pollution of surrounding enviroment.
In order conscientiously to improve the efficiency of internal combustion engine, as preferably, described screw expander connects a generator, and screw expander drives the generator rotation by union joint.
In order to realize the desired speed of described generator, sending the high-quality electricity uses for the user, as preferably, the entry end of described screw expander is provided with the rotating speed control valve, the rotating speed of the described screw expander of this rotating speed control valve may command, when the pressure of Working medium gas reached pre-designed saturated vapor pressure, described rotating speed control valve was just opened, and the size that this rotating speed control valve is opened is controlled by the rotating speed of pre-designed described generator.
In order to make working medium flash to saturated gas, be formed with the steam working medium of certain pressure, as further preferred, be provided with working medium pump and one-way valve successively between described condenser and the described vaporizer; The high pressure steam working medium that this vaporizer comes pressure after butterfly rotating speed control valve enters the screw expander work done reduces, temperature is reduced to and faced Jie's temperature and enter described condenser, realized becoming liquid working substance after cold through condensation, liquid working substance was transported in the vaporizer through one-way valve by working medium pump again.
In order to improve the cooling benefit, as preferably, but passage flows to described oil cooling, described water cooling passageway flows to opposite with the flow direction of described one-way valve.
In order to improve on-road efficiency and working life,, between described fixed component and the described water cooling passageway, be provided with water pump and water filter successively as preferably.
In order to improve cooling benefit and working life, as preferably, described internal-combustion engine base oil sump and described oil cooling but between the passage, are provided with coarse-grain filtering device, oil pump and fine filter successively.
The utility model compared with prior art, its advantage is: since reasonable disposition two systems generating electricity of existing internal combustion engine lubrication cool cycles and duplexing matter screw expander, saved oil cooler and water cooler two big parts, not only can improve the efficiency of internal combustion engine but also can improve internal combustion engine cooling recirculation system the surrounding enviroment thermo-pollution thereby generate; Meanwhile, can not destroy the function and the operational reliability of existing internal-combustion engine system.
Description of drawings
Fig. 1 is the utility model device schematic representation;
Fig. 2 is a kind of one type of prior art syringe schematic representation;
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Fig. 1 illustrates a mode of execution of the present utility model, comprises the internal-combustion engine base 2 of a band oil sump, and the fixed component 8 of a plurality of internal-combustion engines and the moving element 81 of a plurality of internal-combustion engines are housed on this base;
Be provided with oil separator 1 in moving element, this oil separator is sent into lubricant oil each moving element respectively and is lubricated and cool off, and flows back to then in described internal-combustion engine base 2 oil sumps.
High temperature grease in this internal-combustion engine base oil sump, enter oil pump 4 by coarse-grain filtering device 3, the pressure of this high temperature grease enters fine filter 5 after raising, the high temperature grease of the cleaning after the filtration but becomes subzero oil after passage 11 and the cooling by oil cooling and enters oil separator 1, each moving element that this oil separator is dispensed into internal-combustion engine to the subzero oil of cleaning respectively is lubricated and cools off, then, the oil temperature of this subzero oil becomes high temperature grease and returns in the base oil sump for raising gradually; Like this, constantly circulate the heat of each moving element is taken away, internal combustion engine operation is remained in the specified limit of temperature rise, thereby realize normal, safe operation.
Be provided with water dispenser 7 in the described fixed component, the high-temperature cooling water of this fixed component enters water pump 9 from the outlet port, and the pressure laggard water filter 10 of going into that raises, the high-temperature cooling water of cleaning enters water dispenser 7 again by water cooling passageway 6 and through cooled low temperature clean water, the cleaning low temperature water is dispensed into each fixed component 8 of internal-combustion engine by water dispenser, each fixed component is after cooling, and water temperature raises, and this high-temperature water enters water pump 9 from the fixed component coolant outlet again; The heat of each fixed block is taken away in so continuous periodic duty, and internal combustion engine operation is remained in the specified limit of temperature rise, thereby realizes normal, safe operation.
Oil cooling but passage 11, water cooling passageway 6 is snakelike or the coil pipe type pipeline, and they are arranged in the vaporizer 18 of screw expander 14 outlet end; These screw expander 14 coaxial connection one generators 13.
Owing to insert but passage 11 of oil cooling in the vaporizer 18, thereby can omit oil cooler in original internal-combustion engine, after just realizing high temperature oil in the lubrication oil circulation but passage entering vaporizer from oil cooling, after the heat absorption of the working medium boil-off gas in the vaporizer, its oil temperature is lowered, and flow to the internal combustion engine lubrication oil circulating system by oil separator 1.
Similarly, insert water cooling passageway 6 in the vaporizer 18, thereby can omit water cooler in original internal-combustion engine, just can realize that high-temperature water in the cooling recirculation system enters vaporizer and by after the heat absorption of the working medium boil-off gas in the vaporizer, its coolant-temperature gage is reduced, and flow into the internal-combustion engine cooling recirculation system.
From oil cooling but passage 11 high temperature oil and from the high-temperature water of water cooling passageway 6, provide thermal source to vaporizer, when making the working medium evaporation in its vaporizer and becoming gas, make the but oil and the reduction of the water temperature in the water cooling passageway in the passage of oil cooling again.Low temperature oil flows to the internal combustion engine lubrication oil circulating system from by oil separator, guarantees the oil circulating system proper functioning, and low temperature water flows into the internal-combustion engine cooling recirculation system by water dispenser, guarantees the cooling water recirculation system proper functioning equally.
Between screw expander 14 and the vaporizer 18, be provided with condenser 15; The entry end of screw expander is provided with rotating speed control valve 12, the rotating speed of this rotating speed control valve may command screw expander.
Be provided with working medium pump 16 and one-way valve 17 between condenser 15 and the vaporizer 18 successively, the flow direction of this one-way valve is with cold oil, but the passage flow direction of water is opposite.
The condensation tube import 151 of condenser links to each other with cold oil cooling water inlet, cooling water cold water inlet, and the condensation tube of this condenser outlet 152 links to each other with cold oil cooling water outlet, cooling water cooling water outlet.Thereby can omit oil cooler and water cooler in original internal-combustion engine, and just can realize utilizing original open type water-cooled (or cold wind) as low-temperature receiver, come gas or liquid working substance in the cooler condenser to make it all to become liquid working substance.
Two terminations of condensation tube import 151 and condensation tube outlet 152 respectively with original internal-combustion engine in the cold water intake of the open type water (or wind) of oil cooler, water cooler be connected with water outlet.
The utility model is to utilize the cooling water that temperature raises in lubricant oil that temperature in the lubricating system of IC engine raises and the cooling system, enters in the vaporizer 18 and heats low boiling working fluid, produces saturated vapour; This saturated vapour enters screw expander 14 works done, and drives generator 13 generatings.
Enter the lubricant oil in the vaporizer 18, get back in the oil separator 1 of internal combustion engine lubrication oil system after temperature reduces, each moving element 81 that enters internal-combustion engine again is lubricated and cools off; Simultaneously, enter the water in the vaporizer 18, temperature is got back in the water dispenser 7 of internal-combustion engine cooling system after reducing, and enters each fixed component 8 of internal-combustion engine again, and this fixed component is cooled off.
From the oil cooling but high temperature oil that flows into of passage 11 and the high-temperature water that flows into from water cooling passageway 6, provide thermal source to vaporizer, when making working medium evaporation in its vaporizer become gas, make the temperature reduction of oil and water again.Low temperature oil through oil dispenser the oil content of cleaning low temperature be not dispensed into each moving element of internal-combustion engine lubricated with cooling after, the oil temperature rise, get back to internal-combustion engine base oil sump, enter oil pump through coarse-grain filtering device again, the pressure of lubricant oil enters fine filter after raising, again through oil cooling but passage enter vaporizer, so continuously circulation, constantly provide thermal source to vaporizer, working medium in its vaporizer is evaporated when becoming gas, obtain cleaning low temperature oil again, guarantee each moving element lubricating and cooling system proper functioning of internal-combustion engine.
Flow into the water of the low temperature clean of water dispenser from water cooling passageway 6, after being dispensed into each fixed component of internal-combustion engine, water temperature raises, and high-temperature water enters water pump from the fixed component coolant outlet, and the pressure laggard water filter of going into that raises, the high-temperature water behind the cooling fixed component enters vaporizer again; Like this, constantly provide thermal source to vaporizer circularly, the working medium in its vaporizer is evaporated when becoming gas, obtain the cleaning low temperature water again, guarantee that internal-combustion engine fixed component cooling system is working properly.
From the next high pressure steam working medium of vaporizer, through the rotating speed control valve, enter screw expander, behind the expansion working, pressure reduces, temperature is reduced to and faced Jie's temperature, enter condenser 15, realized becoming liquid working substance after cold through condensation, by one-way valve 17 liquid working substance be transported in the vaporizer 18 by working medium pump 16, again through oil cooling but passage high temperature oil of coming and the high-temperature water that water cooling passageway comes heat, make working medium flash to saturated gas, be formed with the steam working medium of certain pressure.When the pressure of Working medium gas reaches pre-designed saturated vapor pressure, the rotating speed control valve is just opened, opening size is controlled by pre-designed generator speed, make its screw expander drive the rotating speed of generator 13 by union joint, satisfy the rated speed of generator, send the high-quality electricity and use for the user.
The utility model is existing internal combustion engine lubrication circulating cooling system to be combined with duplexing matter circulation screw expansion machine power generating system and reasonable disposition again, constitute one not only can reclaim in the described internal combustion engine parts cooling procedure waste heat with improve internal combustion engine operation efficient, but also can not destroy former internal-combustion engine system function, can also reduce internal combustion engine cooling recirculation system simultaneously to the surrounding enviroment thermo-pollution.
Below list the one group of design data of present embodiment and the physical parameter of each flow nodes thereof:
Power of IC engine is that 1000 kilowatts, lubricants capacity are 15T/h, to advance the machine oil temperature be 65 ℃, go out the machine oil temperature is that 95 ℃, cooling water inflow are that 20T/h, water intake machine temperature are 65 ℃, and going out the machine water temperature is 95 ℃,
Node ?151 152 61 111 62 112 ?181 141 153
Physical parameter
Working medium Water Water Oil Water Oil Water ?R152a R152a R152a
Temperature ℃ ?25 30 65 65 95 95 ?54 35 32
Pressure MPa 0.07 0.05 0.6 0.3 0.6 0.3 1.3 0.84 0.84
Flow T/h 155 155 15 20 15 20 12 12 12
Physical state Liquid Liquid Liquid Liquid Liquid Liquid Gas Gas Liquid
Flow m3/h 2900 4858 13.6
The theoretical expansion power of the screw expander of present embodiment is 29.7KW, and generator actual power ability is more than the 20KW, and the efficient that improves internal-combustion engine is about 2%.

Claims (8)

1. internal-combustion engine cooling-cycle device, the internal-combustion engine base that comprises a band oil sump, this base is provided with fixed component and moving element, this moving element is provided with oil separator, lubricant oil in this oil separator enter each moving element be lubricated with cool off after, through oil cooling but passage be back to described oil separator; This fixed component is provided with water dispenser, after the cooling water in this water dispenser enters each fixed component and cools off, through water cooling passageway, is back to described water dispenser; It is characterized in that: described oil cooling but passage (11), described water cooling passageway (6) is arranged in the vaporizer (18) of screw expander (14) outlet end; Between described screw expander (14) and the described vaporizer (18), be provided with condenser (15).
2. according to the described internal-combustion engine cooling-cycle device of claim 1, it is characterized in that: coaxial connection one generator of described screw expander (14) (13).
3. according to the described internal-combustion engine cooling-cycle device of claim 2, it is characterized in that: the entry end of described screw expander (14) is provided with rotating speed control valve (12), the rotating speed of the described screw expander of this rotating speed control valve may command.
4. according to the described internal-combustion engine cooling-cycle device of claim 1, it is characterized in that: be provided with working medium pump (16) and one-way valve (17) between described condenser (15) and the described vaporizer (18) successively.
5. according to the described internal-combustion engine cooling-cycle device of claim 4, it is characterized in that: described oil cooling but passage (11), described water cooling passageway (6) is opposite with the flow direction of described one-way valve (17).
6. according to the described internal-combustion engine cooling-cycle device of claim 4, it is characterized in that: the condensation tube import (151) of described condenser (15) links to each other with the inlet/outlet of described cooling water with condensation tube outlet (152).
7. according to the described internal-combustion engine cooling-cycle device of claim 1, it is characterized in that: between described fixed component (8) and the described water cooling passageway (6), be provided with water pump (9) and water filter (10) successively.
8. according to the described internal-combustion engine cooling-cycle device of claim 1, it is characterized in that: described internal-combustion engine base (2) oil sump and described oil cooling but between the passage (11), are provided with coarse-grain filtering device (3), oil pump (4) and fine filter (5) successively.
CN2011201301173U 2011-04-22 2011-04-22 Cooling circulating device for combustion motor Expired - Lifetime CN202039970U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN2011201301173U CN202039970U (en) 2011-04-22 2011-04-22 Cooling circulating device for combustion motor

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102207020A (en) * 2011-04-22 2011-10-05 宁波鲍斯能源装备股份有限公司 Internal combustion engine cooling circulation system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102207020A (en) * 2011-04-22 2011-10-05 宁波鲍斯能源装备股份有限公司 Internal combustion engine cooling circulation system

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Address after: 315505 Zhejiang Province, Ningbo city Fenghua District streets Xiwu Shang Qiao Road No. 18

Patentee after: NINGBO BAOSI ENERGY EQUIPMENT Co.,Ltd.

Address before: 315505 Zhejiang province Fenghua city streets Xiwu Shang Qiao Road No. 18

Patentee before: NINGBO BAOSI ENERGY EQUIPMENT Co.,Ltd.

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Granted publication date: 20111116

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