CN101424460A - Absorption type cooling method and refrigeration device - Google Patents
Absorption type cooling method and refrigeration device Download PDFInfo
- Publication number
- CN101424460A CN101424460A CNA2008101751661A CN200810175166A CN101424460A CN 101424460 A CN101424460 A CN 101424460A CN A2008101751661 A CNA2008101751661 A CN A2008101751661A CN 200810175166 A CN200810175166 A CN 200810175166A CN 101424460 A CN101424460 A CN 101424460A
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- Prior art keywords
- cold
- producing medium
- solvent
- absorber
- desorption device
- Prior art date
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 36
- 238000005057 refrigeration Methods 0.000 title claims abstract description 34
- 238000001816 cooling Methods 0.000 title claims abstract description 16
- 239000006096 absorbing agent Substances 0.000 claims abstract description 84
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- 238000002485 combustion reaction Methods 0.000 claims abstract description 50
- 239000003507 refrigerant Substances 0.000 claims abstract description 15
- 238000009833 condensation Methods 0.000 claims abstract description 6
- 230000005494 condensation Effects 0.000 claims abstract description 6
- 238000003795 desorption Methods 0.000 claims description 85
- 239000002904 solvent Substances 0.000 claims description 85
- 239000002912 waste gas Substances 0.000 claims description 33
- 238000000034 method Methods 0.000 claims description 17
- 239000007789 gas Substances 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000004590 computer program Methods 0.000 claims description 8
- 238000001704 evaporation Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 6
- 239000003054 catalyst Substances 0.000 claims description 6
- 238000009792 diffusion process Methods 0.000 claims description 6
- 230000008020 evaporation Effects 0.000 claims description 6
- 239000007791 liquid phase Substances 0.000 claims description 6
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims description 6
- 239000012071 phase Substances 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims description 4
- 229910021529 ammonia Inorganic materials 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000000446 fuel Substances 0.000 description 8
- 230000008676 import Effects 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000002283 diesel fuel Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- -1 wherein Substances 0.000 description 2
- 230000002528 anti-freeze Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013557 residual solvent Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/02—Machines, plants or systems, using particular sources of energy using waste heat, e.g. from internal-combustion engines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
- B60H1/3201—Cooling devices using absorption or adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
- B60H1/3201—Cooling devices using absorption or adsorption
- B60H1/32011—Cooling devices using absorption or adsorption using absorption, e.g. using Li-Br and water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
- B60H1/3233—Cooling devices characterised by condensed liquid drainage means
- B60H1/32331—Cooling devices characterised by condensed liquid drainage means comprising means for the use of condensed liquid, e.g. for humidification or for improving condenser performance
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/005—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for draining or otherwise eliminating condensates or moisture accumulating in the apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/04—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust using liquids
- F01N3/043—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust using liquids without contact between liquid and exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
- F25B15/14—Sorption machines, plants or systems, operating continuously, e.g. absorption type using osmosis
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
-
- 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
Abstract
An internal combustion engine (2) which is provided with an absorption refrigeration device (1) comprises a desorber (5), a liquefier (6), an evaporator (7), an absorber (8), a refrigerant (9), a dissolvent (10), and a connecting pipe (11) which is used for establishing refrigerant and/or dissolvent circulation loop among the desorber (5), the liquefier (6), the evaporator (7) and the absorber (8), wherein the water used for improving burning is obtained at a state that the kinetic energy is not used namely the efficiency of internal combustion engine (2) is not reduced. The settling plan of the task is that the evaporator (7) and/or desorber (5) are connected with an exhaust pipe (16) of internal combustion engine (2) for cooling the exhaust gas (14) flowing through the exhaust pipe (16) and thereby obtaining condensation water (12).
Description
Technical field
The present invention relates to a kind of absorption type cooling method, has the following step: heated solvent and cold-producing medium in a desorption device, wherein, cold-producing medium is absorbed by solvent, in desorption device by the solvent desorption cold-producing medium, cold-producing medium evaporation in desorption device, refrigerant vapour is imported the liquefier from desorption device, cooling and liquefied refrigerant steam in liquefier, cold-producing medium is imported in the evaporimeter, heating and vaporized refrigerant in evaporimeter import refrigerant vapour the absorber from evaporimeter, and solvent is imported the absorber from desorption device, in absorber by solvent absorption refrigeration agent steam, solvent and cold-producing medium are imported the desorption device from absorber, wherein, solvent absorption refrigeration agent.The invention still further relates to a kind of absorption refrigeration equipment and realize that it comprises: a desorption device, a liquefier, one evaporimeter, one absorber, cold-producing medium and solvent are used for setting up the connecting pipe of cold-producing medium and/or solvent closed circuit between desorption device, liquefier, evaporimeter and absorber.The invention still further relates to a kind of internal combustion engine and a kind of car or commercial car.
Background technology
In internal combustion engine, especially reciprocating piston formula internal combustion engine is for example in petrol engine, Diesel engine or the gas engine, can make water improve burning, for example by ejecting water in combustion chamber or the gas handling system and condensed water directly being added in the jet pump front to the fuel in the fuel channel for example gasoline or diesel oil.This can reduce discharge value for example particle or NO
xDischarging and raising unit efficiency thus can fuel savings.
In order in car with internal combustion engine and commercial car, to improve burning, constantly need water by water.In order in car and commercial car, to obtain water as condensed water in by air, can use compressor formula air-conditioning equipment so far, its compressor is by internal combustion engine drive.But continuous service causes decrease in efficiency to compressor formula air-conditioning equipment in order to obtain condensed water, because the kinetic energy that is provided by internal combustion engine partly is used to the drive compression machine.
Also use in this external car and the commercial car to have the additional magazine of water, its water is used for improving burning.Its defective is to produce antifreeze problem in winter.Additional magazine with water still is an impost, and it improves consumption figures and need to fill troublesomely additional magazine again constantly, for the driver.
Summary of the invention
Therefore, the objective of the invention is, a kind of cooling means, a kind of refrigeration plant, a kind of internal combustion engine and a kind of car or commercial car are provided, wherein, the kinetic energy that provides by internal combustion engine be not provided, are not promptly reducing the water that obtains to be used to improve burning under the situation of the efficiency of internal combustion engine.What do not need the trouble of adding in addition for the user of car and commercial car fills additional magazine again.
This purpose realizes by a kind of absorption type cooling method, has the following step: heated solvent and cold-producing medium in a desorption device, wherein, cold-producing medium is absorbed by solvent, in desorption device by the solvent desorption cold-producing medium, cold-producing medium evaporation in desorption device, refrigerant vapour is imported the liquefier from desorption device, cooling and liquefied refrigerant steam in liquefier, cold-producing medium is imported in the evaporimeter, heating and vaporized refrigerant in evaporimeter, refrigerant vapour from evaporimeter imports absorber, is imported solvent the absorber from desorption device, in absorber by solvent absorption refrigeration agent steam, solvent and cold-producing medium are imported the desorption device from absorber, wherein, solvent absorption refrigeration agent, wherein, cold-producing medium in evaporimeter and/or solvent and cold-producing medium in desorption device by the heating of the waste gas of internal combustion engine, make the waste gas cooling and from waste gas cooled the condensation water outlet so that obtain water.Can make the heat extraction of waste gas be used for cooling exhaust thus, make under the situation of not using kinetic energy, from waste gas, to obtain condensed water.
In another configuration, the heating in desorption device of solvent and cold-producing medium was being carried out before the heating of cold-producing medium in evaporimeter on the exhaust gas flow direction.
Preferably will from waste gas, be collected in the water collector by the water of condensation.Can simply the condensed water that exists in the water collector be stored thus, use, for example be used to improve the burning of internal combustion engine so that then supply with.
Replenish in the embodiment one, before the hot machine of the internal combustion engine stage or during whole cold-producing mediums and solvent are pumped in the absorber, make waste gas not on desorption device by solvent and refrigerant cools.Desorption device is empty during the hot machine stage thus, makes not extract heat by desorption device from waste gas when desorption device is arranged in the catalyst converter front on exhaust gas flow direction, so that as quickly as possible catalyst converter is heated to running temperature in the hot machine stage.
In another configuration, the penetrating desorption device diaphragm of the cold-producing medium permeation parts of steam-like flows or diffusion in desorption device, wherein, the desorption device diaphragm arrangement makes refrigerant vapour see through the desorption device diaphragm by liquid phase and flows or diffuse into gas phase between the liquid phase and the gas phase by cold-producing medium of cold-producing medium and solvent.
In an additional embodiment, the cold-producing medium of steam-like sees through that the absorber diaphragm flows or diffusion and liquid flow of solvent or be diffused in the absorber diaphragm in absorber.
What meet purpose is, the absorber diaphragm arrangement makes the cold-producing medium of steam-like be absorbed by solvent in the absorber diaphragm between the gas phase of the liquid phase of cold-producing medium and solvent and cold-producing medium.
Preferred refrigerant is a water and solvent is a lithium bromide, and perhaps cold-producing medium is an ammonia and solvent is a water.
The object of the invention realizes by a kind of absorption refrigeration equipment in addition, it comprises: a desorption device, one liquefier, one evaporimeter, an absorber, cold-producing medium and solvent, be used between desorption device, liquefier, evaporimeter and absorber, setting up the connecting pipe of cold-producing medium and/or solvent closed circuit, wherein, evaporimeter and/or desorption device are connected with the discharge duct of internal combustion engine aspect hot, so that cool stream is crossed the waste gas of discharge duct and obtained condensed water thus.
What meet purpose is to be configured for receiving the water collector of condensed water in discharge duct.
Especially described desorption device is being connected with discharge duct aspect hot in the evaporimeter front on the exhaust gas flow direction and/or a catalyst converter is being arranged in discharge duct between desorption device and the evaporimeter on the exhaust gas flow direction.
In another embodiment, described evaporimeter centers on the discharge duct setting preferably coaxially, at least in part.Evaporimeter needs the little space or all surfaces of position and discharge duct to be used to discharge used heat in by the evaporimeter area surrounded thus.
Preferably liquefier and/or absorber center on the evaporimeter setting preferably coaxially, at least in part and/or completely cut off with evaporimeter aspect hot by an isolation layer.Liquefier and absorber occupy little space or position thus.
What meet purpose is, liquefier is arranged on the evaporimeter top and evaporimeter is arranged on the absorber top, so as can be better with cold-producing medium from the liquefier current drainage to evaporimeter and from the evaporimeter current drainage to absorber.
In another configuration, absorber designs like this: make it can receive whole solvents and cold-producing medium.Thus can emptying at hot machine stage desorption device, make desorption device not receive the heat of waste gas.
Preferably cold-producing medium and solvent can be pumped into the desorption device from absorber by a pump.
This pump can contraryly move or can reverse by a switching valve throughput direction of pump in another configuration, make cold-producing medium and solvent to pump into the absorber from desorption device.Desorption device can be emptied completely during the hot machine of the internal combustion engine stage thus.
Especially desorption device is configured to the diaphragm type desorption device and/or absorber is configured to the diaphragm type absorber.Desorption device and/or absorber can constitute very compactly thus.
What meet purpose is can implement aforesaid method by this absorption refrigeration equipment.
Also for example petrol engine, Diesel engine or gas engine realize the object of the invention by a kind of internal combustion engine, especially reciprocating piston formula internal combustion engine, wherein, described internal combustion engine comprise one as mentioned above absorption refrigeration equipment and/or can implement aforesaid method by this internal combustion engine.
The condensed water that obtains from waste gas is particularly useful for improving the burning in the internal combustion engine.This burning is for example by being ejected into condensed water in the combustion chamber and/or by condensed water being ejected in the gas handling system and/or by condensed water preferably directly being added in the jet pump front to the fuel in the fuel channel for example gasoline or diesel oil and/or improve with the emulsion that forms condensed water and fuel by condensed water being added to fuel.
In according to internal combustion engine of the present invention, especially reciprocating piston formula internal combustion engine, the condensed water that obtains from the waste gas of this internal combustion engine is used for improving the burning of internal combustion engine.Thus, the condensed water that obtains from waste gas is used to improve burning, obtains condensed water with which kind of mode of passing through from waste gas and has nothing to do.
Meet the destination with this condensed water be used for member protection prevent owing to spray into water overheated.
The object of the invention realizes by a kind of car or commercial car in addition, wherein, this car or commercial car comprise one as mentioned above internal combustion engine and/or comprise that as mentioned above an absorption refrigeration equipment can implement aforesaid method by this car or commercial car.
In another configuration, condensed water is used to clean glass and/or headlight.
The present invention also comprises a kind of computer program with program coding means, described program coding means are stored on the computer-readable data medium, be used to implement aforesaid method, if carrying out this computer program on the computer or on the corresponding calculated unit.
The present invention also comprises a kind of computer program with program coding means, described program coding means are stored on the computer-readable data medium, be used to implement aforesaid method, if carrying out this computer program on the computer or on the corresponding calculated unit.
Description of drawings
Describe one embodiment of the present of invention in detail by means of accompanying drawing below.Accompanying drawing illustrates:
The schematic vertical section of Fig. 1 one absorption refrigeration equipment,
The schematic cross-section that Fig. 2 evaporimeter, liquefier and absorber are arranged around discharge duct,
The schematic cross-section of Fig. 3 one diaphragm type desorption device,
The schematic cross-section of Fig. 4 one diaphragm type absorber,
The explanatory view of Fig. 5 one car.
The specific embodiment
Extremely schematically vertical section according to absorption refrigeration equipment 1 of the present invention shown in Figure 1.This absorption refrigeration equipment 1 can produce cold by using heat energy.In a circulatory system, use a kind of cold-producing medium and a kind of solvent.For example consider water as cold-producing medium 9, the lithium bromide that it is used as solvent 10 absorbs.Also use ammonia as cold-producing medium 9 in addition, the water that it is used as solvent 10 absorbs.Cold-producing medium 9 and solvent 10 are also referred to as operative minor.
This absorption refrigeration equipment 1 is arranged on the discharge duct that is used for combustion gas 14 16 of internal combustion engine 2, especially reciprocating piston formula internal combustion engine 3.In discharge duct 16, constitute a catalyst converter 15 and a water collector 13 that is used to receive condensed water 12.Desorption device 5 is positioned at catalyst converter 15 fronts on the flow direction of waste gas 14.This desorption device 5 is connected with discharge duct 16 aspect hot, and thus, waste gas 14 heating of heat are arranged in the solvent 10 and the cold-producing medium 9 of desorption device 5.
Cold-producing medium 9 is at first absorbed by solvent 10 in desorption device 5, and the heating cold-producing medium 9 that passes through operative minor then promptly separates just by solvent 10 desorbs.Then, cold-producing medium 9 can evaporate in desorption device 5 and the cold-producing medium 9 of steam-like flows through connecting pipe 11 and flows to liquefier 6.A liquid separator (not shown) preferably is set in connecting pipe 11 between desorption device 5 and liquefier 6, and it makes the residual solvent 10 of evaporation in desorption device 5 separate with cold-producing medium 9.Settle some cooling bodies 18 in the outside of liquefier 6, be used for discharging the heat that produces at liquefier 6.The evaporimeter 7 of tubulose constitutes coaxially and is connected with this discharge duct aspect hot around discharge duct 16.Evaporimeter 7 completely cuts off with respect to liquefier 6 aspect hot by isolation layer 21.By control valve 19 liquid cold-producing medium 9 pressure releases also then are directed in the evaporimeter 7 to the evaporating pressure corresponding to the preferred temperature in the evaporimeter 7.In evaporimeter 7, liquid cold-producing medium 9 evaporations are obtained in the waste gas 14 of wherein required for this reason heat from discharge duct 16, and waste gas 14 turns cold thus.Condensation goes out condensed water in waste gas cooled 14, and it is collected in the water collector 13.Condensed water 12 is directed into reciprocating piston formula internal combustion engine 3 by condensing water conduit 26 and is used to there from water collector 13 and improves burning, and its mode for example is that condensed water 12 is ejected in the combustion chamber of reciprocating piston formula internal combustion engine.
The cold-producing medium 10 of steam-like imports in the absorber 8 by connecting pipe 11.Solvent 10 imports the absorber 8 by connecting pipe 11 from desorption device 5.In the connecting pipe 11 between desorption device 5 and absorber 8, in unshowned expansion valve, the pressure of solvent 10 pressure releases in the absorber 8.In absorber 8, cold-producing medium 9 is absorbed by solvent 10.
Have in the connecting pipe 11 of pump 17 at another, solvent 10 and cold-producing medium 9 by pump 17 by from absorber 8 pumps to desorption device 5, wherein cold-producing medium 9 is absorbed by solvent 10, closed circuit seals thus.In absorber 8, cold-producing medium 9 is not exclusively absorbed by solvent 10, but has only improved the share of the cold-producing medium 9 that is absorbed by solvent 10.Conversely, in desorption device 5, cold-producing medium 9 is not exclusively by solvent 10 desorbs.Therefore the connecting pipe 11 that solvent 10 is directed to absorber 8 from desorption device 5, there is the cold-producing medium 9 that is absorbed by solvent 10.Therefore, the closed circuit between desorption device 5 and the absorber 8 is the closed circuit that has solvent 10, and this solvent has absorbed cold-producing medium 9 more or less.
The outside of this external absorber 8 constitutes some cooling bodies 18, becomes in absorber 8 freely that heat energy is discharged to surrounding environment enough better so that make.In a unshowned heat exchanger, solvent 10 by the heat of connecting pipe 11 from desorption device 5 inflow absorbers 8 with heat discharge to the connecting pipe 11 by having pump 17 from absorber 8 flow to desorption device 5, by the operative minor that cold-producing medium 9 and solvent 10 are formed, make that this operative minor need less be heated in desorption device 5.
Fig. 2 illustrates evaporimeter 7, liquefier 6 and absorber 8 schematic cross-section around discharge duct 16 coaxial arrangement with first embodiment variant.Is provided with coaxially around discharge duct 16 by pipe 20 evaporimeters that constitute 7, thus evaporimeter 7 in the inboard by discharge duct 16 gauges and in the outside by managing 20 gauges.Cold-producing medium 9 is arranged in evaporimeter 7.Liquefier 6 is arranged to the coaxial semicircle around evaporimeter 7, but only in the zone of the first half.Absorber 8 also is arranged to the coaxial semicircle around evaporimeter 7, but only in the zone of Lower Half.Cold-producing medium 9 is preferably with the tap 22 of control valve 19 (not shown) from liquefier 6 inflow evaporators 7 and from evaporimeter 7 inflow absorbers 8 by some.Tap 22 is correspondingly located, and especially is positioned on the position, deep of liquefier 6, makes that whole cold-producing medium 9 can inflow evaporator 7.Between evaporimeter 7 and liquefier 6 and absorber 8, there are some isolation layers 21.Evaporimeter 7, liquefier 6 and absorber 8 constitute by corresponding pipe 20.Pipe 20 has less relatively length, in 0.2 to 1.0m scope, is an assembly around the compactness of discharge duct 16 layouts thus for example.Evaporimeter 7, liquefier 6 and absorber 8 make it possible to realize assembly compact, that size is little around discharge duct 16 coaxial arrangement.In car or commercial car 4, need less space thus.In Fig. 2 between not shown desorption device 5 and the liquefier 6 and the connecting pipe 11 between desorption device 5 and the absorber 8.
Be provided with the best desorption device diaphragm 25 that constitutes by synthetic material at the diaphragm type desorption device 23 shown in Fig. 3.Desorption device diaphragm 25 has such characteristic: this diaphragm is permeable for the cold-producing medium 9 of steam-like only, but is impermeables for solvent 10.The operative minor of being made up of cold-producing medium 9 and solvent 10 is positioned at below the desorption device diaphragm 25.Cold-producing medium 9 is absorbed by solvent 10.Waste gas 14 heating work pairs by the heat that flows through discharge duct 16 make cold-producing medium 9 by solvent 10 desorbs.Then cold-producing medium 9 evaporations, the cold-producing medium 9 of steam-like sees through 25 diffusions of desorption device diaphragm and flows in the connecting pipe 11.Desorption device diaphragm 25 makes that only the cold-producing medium 9 of steam-like arrives in the connecting pipe 11, need not as the liquid separator (not shown) in according to the embodiment of Fig. 1 in the connecting pipe 11 between diaphragm type desorption device 23 and liquefier 6 thus.Can constitute absorption refrigeration equipment 1 compactly thus.
In diaphragm type absorber 24 shown in Figure 4, there is an absorber diaphragm 27 that preferably constitutes by synthetic material.In diaphragm type absorber 24, the cold-producing medium 9 of steam-like is by in the zone of connecting pipe 11 inflow absorber diaphragms 27 tops.Below absorber diaphragm 27, solvent 10 is imported in the diaphragm type absorber 24.Solvent 10 is diffused in the absorber diaphragm 27 cold-producing medium 9 of steam-like from bottom to top through 27 diffusions of absorber diaphragm from the top down.In absorber diaphragm 27, the surface that produces solvent 10 by a plurality of minimum passages increases, and improves the cold-producing medium 9 that absorbs steam-like by solvent 10 thus.Solvent 10 and cold-producing medium 9 flow out from diaphragm type absorber 24 below by connecting pipe 11, and wherein cold-producing medium 9 is absorbed in absorber diaphragm 27 substantially by solvent 10.It is that size is less that the absorber 8 that the passing through of diaphragm type absorber 24 and routine sprayed or atomized liquid solvent 10 absorbs steam-like cold-producing medium 9 is compared the advantage that has, and makes that absorption refrigeration equipment 1 is compacter.
Form with utmost point signal in Fig. 5 illustrates car or the commercial car 4 with reciprocating piston formula internal combustion engine 3.
As a whole, absorption refrigeration equipment 1 of the present invention makes that the unemployed so far waste thermal energy from internal combustion engine 2 waste gas 14 is enough in cooling exhaust 14, can obtain condensed water 12 thus from waste gas 14.Condensed water 12 especially can be used to improve the burning according to internal combustion engine 2 of the present invention, makes can reduce discharging and can reduce unit of fuel consumption.Can utilize these advantages in according to car of the present invention or commercial car 4, need not troublesomely, water fills additional magazine or compressor formula air-conditioning equipment extraction kinetic energy again.The condensed water 12 that is obtained in addition also can be used to clean glass and headlight.
Claims (25)
1. absorption type cooling method has following steps:
Heated solvent (10) and cold-producing medium (9) in a desorption device (5), wherein, cold-producing medium (9) is absorbed by solvent (10),
In desorption device (5) by solvent (10) desorbs refrigerant (9),
Cold-producing medium (9) evaporation in desorption device (5),
The cold-producing medium (9) of steam-like is imported the liquefier (6) from desorption device (5),
The cold-producing medium (9) of cooling and liquefaction steam-like in liquefier (6),
Cold-producing medium (9) is imported in the evaporimeter (7),
Heating and vaporized refrigerant (9) in evaporimeter (7),
The cold-producing medium (9) of steam-like is imported the absorber (8) from evaporimeter (7),
Solvent (10) is imported the absorber (8) from desorption device (5),
In absorber (8), absorb the cold-producing medium (9) of steam-like by solvent (10),
Solvent (10) and cold-producing medium (9) are imported the desorption device (5) from absorber (8), and wherein, solvent (10) absorption refrigeration agent (9) is characterized in that,
Cold-producing medium (9) in evaporimeter (7) and/or solvent (10) and cold-producing medium (9) in desorption device (5) by the waste gas of internal combustion engine (2) (14) heating, make waste gas (14) cooling and
Condensation goes out condensed water (12) so that obtain water from waste gas cooled (14).
2. the method for claim 1 is characterized in that, solvent (10) and the heating of cold-producing medium (9) in desorption device (5) were carried out before the heating of cold-producing medium (9) in evaporimeter (7) on waste gas (14) flow direction.
3. method as claimed in claim 1 or 2 is characterized in that, will be collected in the water collector (13) from the condensed water (12) of waste gas (14) condensation.
4. each described method in the claim as mentioned above, it is characterized in that, before internal combustion engine (2) the hot machine stage or during whole cold-producing medium (9) and solvent (10) are pumped in the absorber (8), make waste gas (14) on desorption device (5), do not cooled off by solvent (10) and cold-producing medium (9).
5. each described method in the claim as mentioned above, it is characterized in that, the penetrating desorption device diaphragm (25) of cold-producing medium (9) permeation parts of steam-like flows or diffusion in desorption device (5), wherein, diaphragm (25) is arranged between the liquid phase and the gas phase by cold-producing medium (9) of cold-producing medium (9) and solvent (10), makes the cold-producing medium (9) of steam-like see through diaphragm (25) by liquid phase and flows or diffuse into gas phase.
6. each described method in the claim as mentioned above is characterized in that, the cold-producing medium (9) of steam-like sees through that absorber diaphragm (27) flows or diffusion and liquid solvent (10) flow or be diffused in the absorber diaphragm (27) in absorber (8).
7. method as claimed in claim 6, it is characterized in that, absorber diaphragm (27) is arranged between the gas phase of the liquid phase of cold-producing medium (9) and solvent (10) and cold-producing medium (9), makes the cold-producing medium (9) of steam-like be absorbed by solvent (10) in absorber diaphragm (27).
8. each described method in the claim as mentioned above is characterized in that, cold-producing medium (9) is a water and solvent (10) is a lithium bromide, and perhaps cold-producing medium (9) is an ammonia and solvent (10) is a water.
9. an absorption refrigeration equipment (1) comprising:
One desorption device (5),
One liquefier (6),
One evaporimeter (7),
One absorber (8),
Cold-producing medium (9) and solvent (10),
Be used between desorption device (5), liquefier (6), evaporimeter (7) and absorber (8), setting up the connecting pipe (11) of cold-producing medium and/or solvent closed circuit, it is characterized in that,
Evaporimeter (7) and/or desorption device (5) are connected with the discharge duct (16) of internal combustion engine (2) aspect hot, so that cool stream is crossed the waste gas (14) of discharge duct (16) and obtained condensed water (12) thus.
10. absorption refrigeration equipment as claimed in claim 9 is characterized in that, is configured for receiving the water collector (13) of condensed water (12) in discharge duct (16).
11. as claim 9 or 10 described absorption refrigeration equipment, it is characterized in that described desorption device (5) is being connected with discharge duct (16) aspect hot in evaporimeter (7) front on waste gas (14) flow direction and/or a catalyst converter (15) is being arranged between desorption device (5) and the evaporimeter (7) on waste gas (14) flow direction in discharge duct (16).
12., it is characterized in that described evaporimeter (7) centers on discharge duct (16) setting preferably coaxially, at least in part as each described absorption refrigeration equipment in the claim 9 to 11.
13. as each described absorption refrigeration equipment in the claim 9 to 12, it is characterized in that liquefier (6) and/or absorber (8) are provided with and/or pass through an isolation layer (21) around evaporimeter (7) preferably coaxially, at least in part and completely cut off with evaporimeter (7) aspect hot.
14. as each described absorption refrigeration equipment in the claim 9 to 13, it is characterized in that, liquefier (6) is arranged on evaporimeter (7) top and evaporimeter (7) is arranged on absorber (8) top, so as can be better with cold-producing medium (9) from liquefier (6) current drainage to evaporimeter (7) and from evaporimeter (7) current drainage to absorber (8).
15., it is characterized in that absorber (8) is design like this: make it can receive whole solvent (9) and cold-producing medium (10) as each described absorption refrigeration equipment in the claim 9 to 14.
16. as each described absorption refrigeration equipment in the claim 9 to 15, it is characterized in that, cold-producing medium (9) and solvent (10) can be pumped into the desorption device (5) from absorber (8) by a pump (17).
17. absorption refrigeration equipment as claimed in claim 16 is characterized in that, this pump (17) can contraryly move, and makes cold-producing medium (9) and solvent (10) to pump into the absorber (8) from desorption device (5).
18., it is characterized in that desorption device (5) is configured to diaphragm type desorption device (23) and/or absorber (8) is configured to diaphragm type absorber (24) as each described absorption refrigeration equipment in the claim 9 to 17.
19. as each described absorption refrigeration equipment in the claim 9 to 18, it is characterized in that, can implement as each described method in the claim 1 to 8.
20. an internal combustion engine (2), especially reciprocating piston formula internal combustion engine (3) is characterized in that,
This internal combustion engine (2) comprise just like each described absorption refrigeration equipment (1) in the claim 9 to 19 and/or
Can implement as each described method in the claim 1 to 8.
21. internal combustion engine as claimed in claim 20 is characterized in that, the condensed water (12) that obtains from waste gas (14) is used for improving the burning of this internal combustion engine (2).
22. an internal combustion engine (2), especially reciprocating piston formula internal combustion engine (3) is characterized in that, the condensed water (12) that obtains from the waste gas (14) of this internal combustion engine (2) is used for improving the burning of internal combustion engine (2).
23. car or commercial car (4) is characterized in that,
This car or commercial car (4) comprise just like claim 20 and/or 21 and/or 22 described internal combustion engines (2) and/or
Comprise just like each described absorption refrigeration equipment (1) in the claim 9 to 19
Can implement as each described method in the claim 1 to 8.
24. computer program with program coding means, described program coding means are stored on the computer-readable data medium, be used for implementing, if carrying out this computer program on the computer or on the corresponding calculated unit as each described method of claim 1 to 8.
25. computer program with program coding means, described program coding means are stored on the computer-readable data medium, be used for implementing, if carrying out this computer program on the computer or on the corresponding calculated unit as each described method of claim 1 to 8.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007051868A DE102007051868A1 (en) | 2007-10-30 | 2007-10-30 | Exhaust gas absorption cooling method for e.g. petrol engine, in e.g. private passenger vehicle, involves warming up refrigerant, and condensing condensation water from cooled exhaust gas |
| DE102007051868.6 | 2007-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101424460A true CN101424460A (en) | 2009-05-06 |
Family
ID=40514204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101751661A Pending CN101424460A (en) | 2007-10-30 | 2008-10-30 | Absorption type cooling method and refrigeration device |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN101424460A (en) |
| DE (1) | DE102007051868A1 (en) |
| FR (1) | FR2928443A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102207343A (en) * | 2010-03-29 | 2011-10-05 | 三洋电机株式会社 | Exhaust chimney structure of exhaust heat recoverer |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010028013A1 (en) * | 2010-04-21 | 2011-10-27 | Robert Bosch Gmbh | Device for waste heat utilization |
| CZ303089B6 (en) * | 2010-05-26 | 2012-03-28 | Ceské vysoké ucení technické v Praze, Fakultní strojní, Výzkumné centrum spalovacích motoru a automobilu Josefa Božka | Device to remove condensate from exhaust gases of internal combustion engines |
| CZ303091B6 (en) * | 2010-05-26 | 2012-03-28 | Ceské vysoké ucení technické v Praze, Fakulta strojní, Výzkumné centrum spalovacích motoru a automobilu Josefa Božka | Device to remove condensate from exhaust gases of internal combustion engines |
| CZ303090B6 (en) * | 2010-05-26 | 2012-03-28 | Ceské vysoké ucení technické v Praze, Fakulta strojní, Výzkumné centrum spalovacích motoru a automobilu Josefa Božka | Device to remove condensate from exhaust gases of internal combustion engines |
| CZ303093B6 (en) * | 2010-05-26 | 2012-03-28 | Ceské vysoké ucení technické v Praze, Fakulta strojní, Výzkumné centrum spalovacích motoru a automobilu Josefa Božka | Device to remove condensate from exhaust gases of internal combustion engines |
| CZ303092B6 (en) * | 2010-05-26 | 2012-03-28 | Ceské vysoké ucení technické v Praze, Fakulta strojní, Výzkumné centrum spalovacích motoru a automobilu Josefa Božka | Device to remove condensate from exhaust gases of internal combustion engines |
| DE102011109584B4 (en) * | 2011-08-07 | 2014-06-05 | VauQuadrat GmbH | Method and device for the air conditioning of internal combustion engine-powered vehicles with the possibility of a stationary climate function |
| JP6015132B2 (en) * | 2012-05-29 | 2016-10-26 | アイシン精機株式会社 | Combined absorption heat pump device |
-
2007
- 2007-10-30 DE DE102007051868A patent/DE102007051868A1/en not_active Withdrawn
-
2008
- 2008-10-27 FR FR0857270A patent/FR2928443A1/en not_active Withdrawn
- 2008-10-30 CN CNA2008101751661A patent/CN101424460A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102207343A (en) * | 2010-03-29 | 2011-10-05 | 三洋电机株式会社 | Exhaust chimney structure of exhaust heat recoverer |
| CN102207343B (en) * | 2010-03-29 | 2013-05-29 | 三洋电机株式会社 | Exhaust chimney structure of exhaust heat recoverer |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102007051868A1 (en) | 2009-05-07 |
| FR2928443A1 (en) | 2009-09-11 |
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Application publication date: 20090506 |