CN105972858A - System and method for supplying energy and storing energy by utilizing waste heat of air compressor - Google Patents
System and method for supplying energy and storing energy by utilizing waste heat of air compressor Download PDFInfo
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- CN105972858A CN105972858A CN201610491654.8A CN201610491654A CN105972858A CN 105972858 A CN105972858 A CN 105972858A CN 201610491654 A CN201610491654 A CN 201610491654A CN 105972858 A CN105972858 A CN 105972858A
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/06—Cooling; Heating; Prevention of freezing
- F04B39/062—Cooling by injecting a liquid in the gas to be compressed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
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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
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
- F25B29/006—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the sorption type system
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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
- F25B30/00—Heat pumps
- F25B30/04—Heat pumps of the sorption type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/0034—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using liquid heat storage material
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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
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention relates to a system and a method for supplying energy and storing energy by utilizing waste heat of an air compressor. The air compressor commonly adopts cooling coil for bringing out and directly introducing heat generated by a machine into air, and causes heat pollution on environment. The system is characterized in that a cooling oil outlet of the air compressor is connected to an oil side inlet of an oil-water heat exchanger through a cooling oil outlet tube of the air compressor, wherein a water side outlet of the oil-water heat exchanger is connected to a heat source inlet of a generator through a closed type circulating water outlet tube; a heat source outlet of the generator is connected to a water side inlet of the oil-water heat exchanger through a closed type circulating water inlet tube; a refrigerant steam outlet of the generator is connected to a refrigerant steam inlet of a condenser through a condensing steam pipeline; a thin solution outlet of an absorber is connected to a solution inlet of the generator through a thin solution pipeline; and a thick solution inlet of the absorber is connected to a thick solution outlet of the generator through a thick solution pipeline. By virtue of the system, waste heat utilization range of the air compressor is wider, and heating and refrigerating performances are better.
Description
Technical field
The present invention relates to a kind of system and method utilizing residual heat of air compressor to carry out energy supply accumulation of energy, be a kind of system being capable of supply that cold, heat energy and energy storage, belong to technical field of waste heat utilization.
Background technology
Pressure-air is cooled down in operation process by air compressor due to needs, substantial amounts of middle low-temperature waste heat can be produced, simultaneously air compressor machine inner rotation mechanism also can frictional heating, need to cool down in time, this situation is widely present in the air compressor unit of the patterns such as centrifugal, screw.Air compressor typically uses cooling oil to be taken out of by the heat that machine produces, and is directly entered in air and carries out cooling down not only wasted heat, also environment is caused thermal pollution.Along with the requirement of production energy-saving is stepped up by China, occur in that the technical method utilizing air compressor waste heat, it is typically all and relies on heat exchanger to carry out simple heat exchange, produce hot water for people's routine use, if publication date is on 07 23rd, 2014, in the Chinese patent of Publication No. CN103939350A, disclosed a kind of waste heat recovery system of air compressor；And for example publication date is on 06 12nd, 2013, in the Chinese patent of Publication No. CN103147990A, and disclosed a kind of waste heat recovery system of air compressor；For another example publication date is on November 28th, 2012, in the Chinese patent of Publication No. CN102797661A, and disclosed a kind of air compressor residual-heat utilization system and air compressor residual-heat utilization method；It is the technical method of this respect.Although this residual-heat utilization method is simple, but there is also many deficiencies, as waste heat can not be made to be converted into the energy of multi-form, it is impossible to effectively store the waste heat of discharge, it is impossible to realize the heating capacity operating mode higher than waste heat amount.
Summary of the invention
It is an object of the invention to overcome above-mentioned deficiency present in prior art, and provide a kind of can make that air compressor UTILIZATION OF VESIDUAL HEAT IN is wider, heat refrigeration performance more preferably, waste heat can all of system and method, energy supply quality is effectively ensured, promotes systematic economy benefit.
nullThe present invention solves the problems referred to above and be the technical scheme is that this system utilizing residual heat of air compressor to carry out energy supply accumulation of energy includes air compressor，Its construction features is: also include that air compressor machine cools down flowline、Oil-water heat exchanger、Air compressor machine cools back oil pipe、Closed cycle outlet pipe、Generator、Closed cycle water inlet pipe、Condensed steam pipeline、Condenser、Condensate liquid pipe、Vaporizer、Vaporizer steam pipework、Absorber、Weak solution pipeline、Heating pipe road、Once intensification post-heating water lines、Secondary temperature elevation post-heating water lines、Hot water line's bypass valve、Storage tank、Outer flow pipe and concentrated solution pipeline，The cooling-oil outlet of described air compressor is connected with the oily side-entrance of oil-water heat exchanger by air compressor machine cooling flowline，The oily side outlet of described oil-water heat exchanger cools back oil pipe by air compressor machine and is connected with the cooling-oil inlet of air compressor，The water side outlet of described oil-water heat exchanger is connected with the thermal source import of generator by closed cycle outlet pipe，The thermal source outlet of described generator is connected with the water side-entrance of oil-water heat exchanger by closed cycle water inlet pipe，The refrigerant vapour outlet of described generator is connected with the refrigerant vapour import of condenser by condensed steam pipeline，The cryogen outlet of described condenser is connected with the cryogen import of vaporizer by condensate liquid pipe，The refrigerant vapour outlet of described vaporizer is connected with the refrigerant vapour import of absorber by vaporizer steam pipework，The weak solution outlet of described absorber is connected with the solution inlet port of generator by weak solution pipeline，The concentrated solution entrance of described absorber is connected with the concentrated solution outlet of generator by concentrated solution pipeline，Described heating pipe road is connected with the hot water inlet of absorber，The hot water outlet of described absorber is connected with the hot water inlet of condenser by once intensification post-heating water lines，The hot water outlet of described condenser is connected with the import of secondary temperature elevation post-heating water lines and hot water line's bypass valve simultaneously，The described outlet of hot water line's bypass valve is connected with the import of storage tank，The outlet of described storage tank is connected with outer flow pipe.The waste heat of air compressor can be heated or freeze by the present invention, the energy storage that simultaneously can also will temporarily take less than, and gives demand client by outside reasonable approach.The present invention first achieves making full use of of air compressor waste heat, meets the national policy of energy-saving and emission-reduction, and eliminates the cooling system that cooling oil is supporting；Second can supply idle call cold water, the hot water of the purposes such as winter supply heating, bathing in summer；3rd system is capable of the heating capacity operating mode higher than waste heat amount, improves systematic economy benefit；4th cold water either produced or hot water, when air-conditioning or heating load demand are at a low ebb, can get up energy storage with energy storage device, or send outside, or carry out releasing energy when air-conditioning or heating load demand are in peak.The energy supply energy-storage system efficiency of energy utilization of the present invention is high, good in economic efficiency, it is possible to meet the needs to the various ways energy in productive life well, and have Load Regulation ability.
As preferably, present invention additionally comprises water at low temperature inlet pipeline, water at low temperature outlet pipeline and water at low temperature outlet pipeline bypass valve, described water at low temperature inlet pipeline is connected with the water at low temperature import of vaporizer, the water at low temperature outlet of described vaporizer is connected with the import of water at low temperature outlet pipeline and water at low temperature outlet pipeline bypass valve simultaneously, and the outlet of described water at low temperature outlet pipeline bypass valve is connected with the import of storage tank.
As preferably, present invention additionally comprises and send water-tank lorry, described in send water-tank lorry to coordinate with outer flow pipe.
As preferably, oil-water heat exchanger of the present invention is anticorrosion good antiscale property heat exchanger.
As preferably, storage tank of the present invention is heat preservation storage water tank.
A kind of method utilizing residual heat of air compressor to carry out energy supply accumulation of energy, it is characterised in that: the system described in use, the step of described method is as follows:
(1) when air compressor is started working, start cooling oil system and take away the heat within air compressor, heat exchange is carried out by oil-water heat exchanger and closed cycle water, generator work is entered after the heat absorption of closed cycle water, return to oil-water heat exchanger after cooling and continue heat absorption, condenser in absorption heat pump, vaporizer and absorber are operated simultaneously, utilize the cyclic process of heat pump fluid to carry out neither endothermic nor exothermic；
(2) when being in summer condition, heat pump high-temperature water takes away the heat of absorber and condenser, system is discharged by secondary temperature elevation post-heating water lines, heat pump water at low temperature is then lowered the temperature in vaporizer, being sent to air-conditioning water circuit system via water at low temperature outlet pipeline subsequently, now hot water line's bypass valve and water at low temperature outlet pipeline bypass valve are in closed mode；When user's refrigeration duty is at a low ebb, open water at low temperature outlet pipeline bypass valve, by unnecessary cold water storage in water tank, carry out releasing energy operation when user's refrigeration duty is in peak period, and/or by giving water-tank lorry will to deliver to the commercial user of demand outside cold water；
(3) when being in winter condition, the heat release in vaporizer of heat pump water at low temperature, system is discharged subsequently via water at low temperature outlet pipeline, heat pump high-temperature water then flows through absorber and condenser, entering heating system by secondary temperature elevation post-heating water lines after absorbing heat, now hot water line's bypass valve and water at low temperature outlet pipeline bypass valve are in closed mode；When user's thermic load is at a low ebb, open hot water line's bypass valve, unnecessary hot water is stored in water tank, carry out releasing energy operation when user's thermic load is in peak period, and/or by giving water-tank lorry will to deliver to the commercial user of demand outside hot water.
As preferably, the method for the invention includes with lower channel: cools down oil and discharges from air compressor, enters oil-water heat exchanger by air compressor machine cooling flowline, cools back oil pipe finally by air compressor machine and flows back to air compressor formation cooling oil passage；Closed cycle water flows out from oil-water heat exchanger, enters generator by closed cycle outlet pipe, returns oil-water heat exchanger by closed cycle water inlet pipe subsequently and form closed cycle aquaporin；Refrigerant vapour flows out from generator, condenser is entered by condensed steam pipeline, vaporizer is entered by condensate liquid pipe after condensation, the steam evaporated enters absorber by vaporizer steam pipework and carries out blended absorbent with the concentrated solution from generator, is returned generator by weak solution pipeline subsequently and forms heat pump fluid circulation canal；Heat pump high-temperature water enters absorber by heating pipe road, enters condenser by once intensification post-heating water lines subsequently, then is formed heat pump high-temperature water passage by secondary temperature elevation post-heating water lines transmitting system；Heat pump water at low temperature enters vaporizer by water at low temperature inlet pipeline, is sent to external system by water at low temperature outlet pipeline subsequently and forms heat pump water at low temperature passage；Heat pump high-temperature water enters hot water line's bypass valve by condenser, subsequently enters storage tank formation storing hot water energy and releases energy passage；Heat pump water at low temperature enters water at low temperature outlet pipeline bypass valve by vaporizer, subsequently enters storage tank and forms cold water energy storage and energy release passage；Store water by outer flow pipe with send water-tank lorry to be connected formation to send aquaporin outside.
The present invention compared with prior art, has the following advantages and effect: (1) can be provided out cold water and hot water, it is provided that the energy of multiple quality；(2) it is effectively utilized the waste heat that cooling air compressor produces, decreases the thermal pollution to environment；(3) eliminate the supporting cooling tower of cooling oil, save the investment of system；(4) heating capacity operating mode higher than waste heat amount can be realized, improve the economic benefit of system；(5) energy storage can be got up by the energy storage device of system installing, or sends outside, or peak regulation, and system can continue recovery waste heat；(6) reasonable in design, design uniqueness, operate steadily, good reliability.
Accompanying drawing explanation
Fig. 1 is the structural representation utilizing system that residual heat of air compressor carries out energy supply accumulation of energy in the embodiment of the present invention.
In figure: 1, air compressor；2, air compressor machine cooling flowline；3, oil-water heat exchanger；4, air compressor machine cools back oil pipe；5, closed cycle outlet pipe；6, generator；7, closed cycle water inlet pipe；8, condensed steam pipeline；9, condenser；10, condensate liquid pipe；11, vaporizer；12, vaporizer steam pipework；13, absorber；14, weak solution pipeline；15, heating pipe road；16, once intensification post-heating water lines；17, secondary temperature elevation post-heating water lines；18, hot water line's bypass valve；19, storage tank；20, outer flow pipe；21, water-tank lorry is sent；22, water at low temperature inlet pipeline；23, water at low temperature outlet pipeline；24, water at low temperature outlet pipeline bypass valve；25, concentrated solution pipeline.
Detailed description of the invention
The present invention is described in further detail below in conjunction with the accompanying drawings and by embodiment, and following example are explanation of the invention and the invention is not limited in following example.
Embodiment.
nullSee Fig. 1，The system utilizing residual heat of air compressor to carry out energy supply accumulation of energy in the present embodiment includes air compressor 1、Air compressor machine cooling flowline 2、Oil-water heat exchanger 3、Air compressor machine cools back oil pipe 4、Closed cycle outlet pipe 5、Generator 6、Closed cycle water inlet pipe 7、Condensed steam pipeline 8、Condenser 9、Condensate liquid pipe 10、Vaporizer 11、Vaporizer steam pipework 12、Absorber 13、Weak solution pipeline 14、Heating pipe road 15、Once intensification post-heating water lines 16、Secondary temperature elevation post-heating water lines 17、Hot water line's bypass valve 18、Storage tank 19、Outer flow pipe 20、Send water-tank lorry 21、Water at low temperature inlet pipeline 22、Water at low temperature outlet pipeline 23、Water at low temperature outlet pipeline bypass valve 24 and concentrated solution pipeline 25，Wherein，Oil-water heat exchanger 3 is anticorrosion good antiscale property heat exchanger，Storage tank 19 is heat preservation storage water tank.
The cooling-oil outlet of the air compressor 1 in the present embodiment is connected with the oily side-entrance of oil-water heat exchanger 3 by air compressor machine cooling flowline 2, and the oily side outlet of oil-water heat exchanger 3 cools back oil pipe 4 by air compressor machine and is connected with the cooling-oil inlet of air compressor 1.
The water side outlet of the oil-water heat exchanger 3 in the present embodiment is connected with the thermal source import of generator 6 by closed cycle outlet pipe 5, and the thermal source outlet of generator 6 is connected with the water side-entrance of oil-water heat exchanger 3 by closed cycle water inlet pipe 7.
The refrigerant vapour outlet of the generator 6 in the present embodiment is connected with the refrigerant vapour import of condenser 9 by condensed steam pipeline 8, the cryogen outlet of condenser 9 is connected with the cryogen import of vaporizer 11 by condensate liquid pipe 10, the refrigerant vapour outlet of vaporizer 11 is connected with the refrigerant vapour import of absorber 13 by vaporizer steam pipework 12, the weak solution outlet of absorber 13 is connected by the solution inlet port of weak solution pipeline 14 with generator 6, and the concentrated solution entrance of absorber 13 is connected with the concentrated solution outlet of generator 6 by concentrated solution pipeline 25.
Heating pipe road 15 in the present embodiment is connected with the hot water inlet of absorber 13, the hot water outlet of absorber 13 is connected with the hot water inlet of condenser 9 by once intensification post-heating water lines 16, the hot water outlet of condenser 9 is connected with the import of secondary temperature elevation post-heating water lines 17 and hot water line's bypass valve 18 simultaneously, the outlet of hot water line's bypass valve 18 is connected with the import of storage tank 19, the outlet of storage tank 19 is connected with outer flow pipe 20, send water-tank lorry 21 to coordinate with outer flow pipe 20.
Water at low temperature inlet pipeline 22 in the present embodiment is connected with the water at low temperature import of vaporizer 11, the water at low temperature outlet of vaporizer 11 is connected with the import of water at low temperature outlet pipeline 23 and water at low temperature outlet pipeline bypass valve 24 simultaneously, and the outlet of water at low temperature outlet pipeline bypass valve 24 is connected with the import of storage tank 19.
The step utilizing the method that residual heat of air compressor carries out energy supply accumulation of energy in the present embodiment is as follows.
(1) when air compressor 1 is started working, start cooling oil system and take away the heat within air compressor 1, heat exchange is carried out by oil-water heat exchanger 3 and closed cycle water, enter generator 6 after the heat absorption of closed cycle water to work, return to oil-water heat exchanger 3 after cooling and continue heat absorption, condenser 9 in absorption heat pump, vaporizer 11 and absorber 13 are operated simultaneously, utilize the cyclic process of heat pump fluid to carry out neither endothermic nor exothermic.
(2) when being in summer condition, heat pump high-temperature water takes away absorber 13 and the heat of condenser 9, system is discharged by secondary temperature elevation post-heating water lines 17, heat pump water at low temperature is then lowered the temperature in vaporizer 11, being sent to air-conditioning water circuit system via water at low temperature outlet pipeline 23 subsequently, now hot water line's bypass valve 18 and water at low temperature outlet pipeline bypass valve 24 are in closed mode；When user's refrigeration duty is at a low ebb, open water at low temperature outlet pipeline bypass valve 24, by unnecessary cold water storage in water tank 19, carry out releasing energy operation when user's refrigeration duty is in peak period, and/or by giving water-tank lorry 21 will to deliver to the commercial user of demand outside cold water.
(3) when being in winter condition, the heat release in vaporizer 11 of heat pump water at low temperature, system is discharged subsequently via water at low temperature outlet pipeline 23, heat pump high-temperature water then flows through absorber 13 and condenser 9, entering heating system by secondary temperature elevation post-heating water lines 17 after absorbing heat, now hot water line's bypass valve 18 and water at low temperature outlet pipeline bypass valve 24 are in closed mode；When user's thermic load is at a low ebb, open hot water line's bypass valve 18, unnecessary hot water is stored in water tank 19, carry out releasing energy operation when user's thermic load is in peak period, and/or by giving water-tank lorry 21 will to deliver to the commercial user of demand outside hot water.
The method utilizing residual heat of air compressor to carry out energy supply accumulation of energy in the present embodiment includes with lower channel: cooling oil is discharged from air compressor 1, enter oil-water heat exchanger 3 by air compressor machine cooling flowline 2, cool back oil pipe 4 finally by air compressor machine and flow back to air compressor 1 formation cooling oil passage；Closed cycle water flows out from oil-water heat exchanger 3, enters generator 6 by closed cycle outlet pipe 5, returns oil-water heat exchanger 3 by closed cycle water inlet pipe 7 subsequently and form closed cycle aquaporin；Refrigerant vapour flows out from generator 6, condenser 9 is entered by condensed steam pipeline 8, vaporizer 11 is entered by condensate liquid pipe 10 after condensation, the steam evaporated enters absorber 13 by vaporizer steam pipework 12 and carries out blended absorbent with the concentrated solution from generator 6, is returned generator 6 by weak solution pipeline 14 subsequently and forms heat pump fluid circulation canal；Heat pump high-temperature water enters absorber 13 by heating pipe road 15, enters condenser 9 by once intensification post-heating water lines 16 subsequently, then is formed heat pump high-temperature water passage by secondary temperature elevation post-heating water lines 17 transmitting system；Heat pump water at low temperature enters vaporizer 11 by water at low temperature inlet pipeline 22, is sent to external system by water at low temperature outlet pipeline 23 subsequently and forms heat pump water at low temperature passage；Heat pump high-temperature water enters hot water line's bypass valve 18 by condenser 9, subsequently enter storage tank 19 form that storing hot water energy releases can passage；Heat pump water at low temperature enters water at low temperature outlet pipeline bypass valve 24 by vaporizer 11, subsequently enters storage tank 19 and forms cold water energy storage and energy release passage；Store water by outer flow pipe 20 with send water-tank lorry 21 to be connected formation to send aquaporin outside.
Furthermore, it is necessary to illustrate, the specific embodiment described in this specification, the shape of its parts and components, be named title etc. can be different, and the above content described in this specification is only to present configuration example explanation.All equivalence changes done according to structure, feature and the principle described in inventional idea of the present invention or simple change, be all included in the protection domain of patent of the present invention.Described specific embodiment can be made various amendment or supplements or use similar mode to substitute by those skilled in the art; without departing from the structure of the present invention or surmount scope defined in the claims, protection scope of the present invention all should be belonged to.
Claims (7)
- null1. one kind utilizes the system that residual heat of air compressor carries out energy supply accumulation of energy，Including air compressor，It is characterized in that: also include that air compressor machine cools down flowline、Oil-water heat exchanger、Air compressor machine cools back oil pipe、Closed cycle outlet pipe、Generator、Closed cycle water inlet pipe、Condensed steam pipeline、Condenser、Condensate liquid pipe、Vaporizer、Vaporizer steam pipework、Absorber、Weak solution pipeline、Heating pipe road、Once intensification post-heating water lines、Secondary temperature elevation post-heating water lines、Hot water line's bypass valve、Storage tank、Outer flow pipe and concentrated solution pipeline，The cooling-oil outlet of described air compressor is connected with the oily side-entrance of oil-water heat exchanger by air compressor machine cooling flowline，The oily side outlet of described oil-water heat exchanger cools back oil pipe by air compressor machine and is connected with the cooling-oil inlet of air compressor，The water side outlet of described oil-water heat exchanger is connected with the thermal source import of generator by closed cycle outlet pipe，The thermal source outlet of described generator is connected with the water side-entrance of oil-water heat exchanger by closed cycle water inlet pipe，The refrigerant vapour outlet of described generator is connected with the refrigerant vapour import of condenser by condensed steam pipeline，The cryogen outlet of described condenser is connected with the cryogen import of vaporizer by condensate liquid pipe，The refrigerant vapour outlet of described vaporizer is connected with the refrigerant vapour import of absorber by vaporizer steam pipework，The weak solution outlet of described absorber is connected with the solution inlet port of generator by weak solution pipeline，The concentrated solution entrance of described absorber is connected with the concentrated solution outlet of generator by concentrated solution pipeline，Described heating pipe road is connected with the hot water inlet of absorber，The hot water outlet of described absorber is connected with the hot water inlet of condenser by once intensification post-heating water lines，The hot water outlet of described condenser is connected with the import of secondary temperature elevation post-heating water lines and hot water line's bypass valve simultaneously，The described outlet of hot water line's bypass valve is connected with the import of storage tank，The outlet of described storage tank is connected with outer flow pipe.
- The system utilizing residual heat of air compressor to carry out energy supply accumulation of energy the most according to claim 1, it is characterized in that: also include water at low temperature inlet pipeline, water at low temperature outlet pipeline and water at low temperature outlet pipeline bypass valve, described water at low temperature inlet pipeline is connected with the water at low temperature import of vaporizer, the water at low temperature outlet of described vaporizer is connected with the import of water at low temperature outlet pipeline and water at low temperature outlet pipeline bypass valve simultaneously, and the outlet of described water at low temperature outlet pipeline bypass valve is connected with the import of storage tank.
- The system utilizing residual heat of air compressor to carry out energy supply accumulation of energy the most according to claim 1, it is characterised in that: also include sending water-tank lorry, described in send water-tank lorry to coordinate with outer flow pipe.
- The system utilizing residual heat of air compressor to carry out energy supply accumulation of energy the most according to claim 1, it is characterised in that: described oil-water heat exchanger is anticorrosion good antiscale property heat exchanger.
- The system utilizing residual heat of air compressor to carry out energy supply accumulation of energy the most according to claim 1, it is characterised in that: described storage tank is heat preservation storage water tank.
- 6. one kind utilizes the method that residual heat of air compressor carries out energy supply accumulation of energy, it is characterised in that: using the system as described in Claims 1 to 5 any claim, the step of described method is as follows:(1) when air compressor is started working, start cooling oil system and take away the heat within air compressor, heat exchange is carried out by oil-water heat exchanger and closed cycle water, generator work is entered after the heat absorption of closed cycle water, return to oil-water heat exchanger after cooling and continue heat absorption, condenser in absorption heat pump, vaporizer and absorber are operated simultaneously, utilize the cyclic process of heat pump fluid to carry out neither endothermic nor exothermic；(2) when being in summer condition, heat pump high-temperature water takes away the heat of absorber and condenser, system is discharged by secondary temperature elevation post-heating water lines, heat pump water at low temperature is then lowered the temperature in vaporizer, being sent to air-conditioning water circuit system via water at low temperature outlet pipeline subsequently, now hot water line's bypass valve and water at low temperature outlet pipeline bypass valve are in closed mode；When user's refrigeration duty is at a low ebb, open water at low temperature outlet pipeline bypass valve, by unnecessary cold water storage in water tank, carry out releasing energy operation when user's refrigeration duty is in peak period, and/or by giving water-tank lorry will to deliver to the commercial user of demand outside cold water；(3) when being in winter condition, the heat release in vaporizer of heat pump water at low temperature, system is discharged subsequently via water at low temperature outlet pipeline, heat pump high-temperature water then flows through absorber and condenser, entering heating system by secondary temperature elevation post-heating water lines after absorbing heat, now hot water line's bypass valve and water at low temperature outlet pipeline bypass valve are in closed mode；When user's thermic load is at a low ebb, open hot water line's bypass valve, unnecessary hot water is stored in water tank, carry out releasing energy operation when user's thermic load is in peak period, and/or by giving water-tank lorry will to deliver to the commercial user of demand outside hot water.
- The method utilizing residual heat of air compressor to carry out energy supply accumulation of energy the most according to claim 6, it is characterized in that: described method includes with lower channel: cooling oil is discharged from air compressor, enter oil-water heat exchanger by air compressor machine cooling flowline, cool back oil pipe finally by air compressor machine and flow back to air compressor formation cooling oil passage；Closed cycle water flows out from oil-water heat exchanger, enters generator by closed cycle outlet pipe, returns oil-water heat exchanger by closed cycle water inlet pipe subsequently and form closed cycle aquaporin；Refrigerant vapour flows out from generator, condenser is entered by condensed steam pipeline, vaporizer is entered by condensate liquid pipe after condensation, the steam evaporated enters absorber by vaporizer steam pipework and carries out blended absorbent with the concentrated solution from generator, is returned generator by weak solution pipeline subsequently and forms heat pump fluid circulation canal；Heat pump high-temperature water enters absorber by heating pipe road, enters condenser by once intensification post-heating water lines subsequently, then is formed heat pump high-temperature water passage by secondary temperature elevation post-heating water lines transmitting system；Heat pump water at low temperature enters vaporizer by water at low temperature inlet pipeline, is sent to external system by water at low temperature outlet pipeline subsequently and forms heat pump water at low temperature passage；Heat pump high-temperature water enters hot water line's bypass valve by condenser, subsequently enters storage tank formation storing hot water energy and releases energy passage；Heat pump water at low temperature enters water at low temperature outlet pipeline bypass valve by vaporizer, subsequently enters storage tank and forms cold water energy storage and energy release passage；Store water by outer flow pipe with send water-tank lorry to be connected formation to send aquaporin outside.
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| CN110887270A (en) * | 2019-10-30 | 2020-03-17 | 鞍钢股份有限公司 | Multistage utilization system and method for waste heat of air compressor |
| CN111121288A (en) * | 2020-01-13 | 2020-05-08 | 中煤科工(天津)清洁能源研究院有限公司 | Bathing water preparing system |
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| CN115076749A (en) * | 2022-06-15 | 2022-09-20 | 西安热工研究院有限公司 | Combined heat and power generation system coupled with compressed air energy storage system and operation method |
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