CN104390300B - Heat source tower heat pump solution regeneration device achieving cooling in summer and solution regeneration in winter - Google Patents

Heat source tower heat pump solution regeneration device achieving cooling in summer and solution regeneration in winter Download PDF

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Publication number
CN104390300B
CN104390300B CN201410674184.XA CN201410674184A CN104390300B CN 104390300 B CN104390300 B CN 104390300B CN 201410674184 A CN201410674184 A CN 201410674184A CN 104390300 B CN104390300 B CN 104390300B
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solution
heat
water
outfan
electromagnetic valve
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CN104390300A (en
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梁彩华
李达
蒋东梅
张小松
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Southeast University
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Southeast University
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0007Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
    • F24F5/001Compression cycle type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B29/00Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/20Disposition of valves, e.g. of on-off valves or flow control valves

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Sorption Type Refrigeration Machines (AREA)

Abstract

The invention discloses a heat source tower heat pump solution regeneration device achieving cooling in summer and solution regeneration in winter. The heat source tower heat pump solution regeneration device achieving cooling in summer and solution regeneration in winter comprises a regeneration and refrigerating loop, a heat source loop, a cooling loop and a vacuum loop. According to the heat source tower heat pump solution regeneration device achieving cooling in summer and solution regeneration in winter, efficient absorption refrigeration can be achieved in summer and efficient solution regeneration can be achieved in winter through heat discharged from refrigeration of refrigerant of a superheat section of a heat pump system or renewable energy source solar energy based on vacuum low voltage, efficient utilization of the renewable energy source solar energy or waste heat is achieved, the solution regeneration efficiency in winter and the refrigeration efficiency in summer of the heat source tower heat pump system are improved, and winter and summer comprehensive efficient utilization of the system is achieved.

Description

Realize the heat source tower heat pump regenerative device of solution of summer cooling and the regeneration of winter solution
Technical field
The invention belongs to refrigerated air-conditioning system design and manufacture field, it is related to one kind and realizes Winter-summer dual purpose winter realize solution Highly efficient regeneration and summer realize the heat source tower heat pump regenerative device of solution that high-efficiency absorption freezes.
Background technology
Heat source tower heat pump is a kind of novel building cold and heat source system of Winter-summer dual purpose, and in cooling in summer, heat source tower does often Rule cooling tower uses, and makes handpiece Water Chilling Units have higher COP.When heating in the winter time, enter with air in heat source tower by solution Row caloic exchanges, and absorbs heat as the low level heat energy of heat source tower heat pump unit from the air.Relatively and air source heat pump, thermal source Tower heat pump not only has higher operational efficiency in summer, and runs in the winter time and avoid frosting problem.With respect to ground source heat Pump, heat source tower heat pump has using flexibly, the advantages of restriction by geographical conditions, has broad application prospects.
Heat source tower heat pump in the winter time heating operation when, solution and air carry out heat and mass in heat source tower, work as in the air When steam partial pressure is more than solution surface steam partial pressure, the vapor of in the air will go in solution, makes solution Concentration is thinning, and the freezing point of solution rises, and in order to ensure the safe and reliable operation of system, needs thinning solution is carried out concentrating again Raw.The how solution highly efficient regeneration to heat source tower heat pump, and realize the efficient utilization of regeneration thermal source, to improving heat source tower heat pump Systematic function is it is ensured that system safe and reliable operation is significant.Heat source tower heat pump is when cooling in summer runs simultaneously, because of heat The medium working in the tower of source is water, does not have regeneration requirements, leads to the regenerating unit of heat source tower heat pump to occur when summer idle, deposits In the not high problem of utilization rate of equipment and installations.
Therefore, how to solve the high efficiency of solution reclaiming process and the efficient utilization of reactivation heat, and solve in the summer simultaneously Season regenerative device of solution leave unused problem, design one kind and can ensure heat source tower heat pump system stability reliability service in the winter time, and Realize solution highly efficient regeneration, simultaneously summer can avoiding device leave unused and cause the new device of the wasting of resources, become this area Technical staff's technical barrier in the urgent need to address.
Content of the invention
Technical problem:It is an object of the invention to provide a kind of high efficient and reliable that ensure that heat source tower heat pump system is run, Winter realizes heat source tower heat pump solution highly efficient regeneration it is ensured that heat source tower heat pump reliable and stable operation in the winter time, and summer is as suction Receipts formula refrigeration unit is run, and improves the efficiency of system, realizes the heat realizing summer cooling and the regeneration of winter solution of dual-use Source tower heat pump regenerative device of solution.
Technical scheme:The heat source tower heat pump regenerative device of solution realizing summer cooling and the regeneration of winter solution of the present invention, Including regeneration/refrigerating circuit, heat source loop, cooling circuit, vacuum loop:Regeneration/refrigerating circuit include vaporizer, condenser, Condense water- to-water heat exchanger, concentrated solution absorber, regenerator, solution pool, the first electromagnetic valve, the first electric expansion valve, the second electromagnetic valve, First solution pump, check valve, the second electric expansion valve, the 7th electromagnetic valve, the second solution pump, tapping valve and its associated adapter Road, described vaporizer is also the component parts of heat source loop simultaneously, and condenser is also the component parts of cooling circuit simultaneously, condenses Water- to-water heat exchanger, concentrated solution absorber, the second electric expansion valve are also the component parts of vacuum loop simultaneously;
In described regeneration/refrigerating circuit, vaporizer first input end is connected with regenerator first outfan, vaporizer first Outfan is connected with condenser first input end, and condenser first outfan is connected with the entrance of the second electric expansion valve, and second The outlet of electric expansion valve is connected with condensing water- to-water heat exchanger first input end, condenses water- to-water heat exchanger first outfan and passes through tapping valve It is connected with air, condenses water- to-water heat exchanger second input in order to external freezing water source, for this device chilled water inlet, condensate changes Hot device second outfan is this device chilled water outlet, condenses water- to-water heat exchanger the 3rd outfan and inputs with concentrated solution absorber second End connects;Vaporizer the 3rd outfan is connected with regenerator second input, and it is swollen that regenerator second outfan passes through the first electronics Swollen valve is connected with concentrated solution absorber first input end, and concentrated solution absorber first outfan passes through the second electromagnetic valve and solution pool First input end connects;Solution pool first outfan is connected with the entrance of the first solution pump, the outlet of the first solution pump with unidirectional The entrance of valve connects;Concentrated solution absorber second outfan is connected with the second solution pump intake, and the outlet of the second solution pump is passed through 7th electromagnetic valve is connected with regenerator first input end, and condenser second outfan is divided into two-way, leads up to the first electromagnetic valve Be connected with described regenerator first input end, the outlet of another road and check valve converge after as this device weak solution/cooling water Outlet;
Described heat source loop include vaporizer, solar thermal collector, superheat section heat exchanger, heat-exchanger pump, the 5th electromagnetic valve, Six electromagnetic valves and its relevant connection pipeline;In described heat source loop, vaporizer second outfan is connected with the entrance of heat-exchanger pump, heat The outlet of water pump divides two-way, and a road is connected with superheat section heat exchanger first input end, another road and solar thermal collector input Connect, superheat section heat exchanger first outfan is connected with vaporizer second input by the 5th electromagnetic valve, solar thermal collector Outfan is also connected with vaporizer second input by the 6th electromagnetic valve, superheat section heat exchanger second input in order to this dress The compressor outlet putting outside connects, and superheat section heat exchanger second outfan connects in order to the entrance of the condenser outside with this device Connect;
Described cooling circuit includes condenser, the 4th electromagnetic valve and its relevant connection pipeline;In described cooling circuit, condensation Device second input passes through the 4th electromagnetic valve weak solution source/cooling water source outside with this device and is connected, and condenses the second outfan Divide two-way, a road is connected with the entrance of the first electromagnetic valve in regeneration/refrigerating circuit, the outlet of a road and check valve is made after converging Weak solution/coolant outlet for this device;
Described vacuum loop includes condensing water- to-water heat exchanger, the second electric expansion valve, the 3rd electromagnetic valve, vacuum pump, concentrated solution Absorber and its relevant connection pipeline;In described vacuum loop, condense water- to-water heat exchanger first input end and the second electric expansion valve Outfan connect, condense water- to-water heat exchanger the 3rd outfan be divided into two-way, a road is connected with concentrated solution tourie second input, Separately lead up to the 3rd electromagnetic valve to be connected with air, be also connected with the entrance of vacuum pump simultaneously, the outlet of described vacuum pump with big Gas connects.
In the present invention, this device is based on low-voltage vacuum and runs, and winter can realize heat source tower heat using the thermal source of lower temperature Pump solution regenerates and obtains high solution regeneration efficiency, can achieve absorption refrigeration in summer operation, supplies cold, realizes a machine Winter-summer dual purpose is it is achieved that device multi-functional and improve device service efficiency.
In the present invention, when solar energy can utilize, the 5th electromagnetic valve is closed this device, and the 6th electromagnetic valve is in Opening, the solar energy being gathered using solar thermal collector is as the driving heat source of solution regeneration or absorption refrigeration;Too When sun can not can be utilized, the 5th electromagnetic valve is in opening, and the 6th electromagnetic valve is closed, using superheat section heat exchanger Middle superheated refrigerant cools down liberated heat, as the driving heat source of plant running, it is achieved thereby that the height of Summer and winter solar energy Effect utilizes, and cools down, using superheat section cold-producing medium, the discontinuous problem that liberated heat solves solar energy simultaneously.
In the present invention, the weak solution part that condenser second outfan in regeneration/refrigerating circuit flows out is through the first electromagnetism Valve and regenerator enter vaporizer, and using weak solution, after condenser heat absorption, temperature raises and enters back into vaporizer, decrease into Enter the heating amount needed for weak solution of regeneration in vaporizer, thus improving system effectiveness.
Heat source tower heat pump heating operation in the winter time, when water vapor in air partial pressure is more than the water of solution surface in heat source tower During vapor pressure, the vapor of in the air will go in solution, makes solution concentration thinning, and freezing point rises, in order to ensure heat The reliable and stable operation of source tower heat pump assembly, needs solution is regenerated, and can run apparatus of the present invention.
The low temperature weak solution that the weak solution/cooling water inlet connecing outside from this device enters enters cold through the 4th electromagnetic valve In condenser, vapor heat exchange in weak solution and condenser, weak solution absorbs after thermal temperature raises, and exports from condenser second End is flowed out, and the weak solution flowing out from condenser is divided into two parts, and a part directly flows out dress from device weak solution/coolant outlet Put, another part is passed through the first electromagnetic valve and entered regenerator(Now the 7th closed electromagnetic valve), wherein with from vaporizer The high temperature concentrated solution heat exchange of regenerator is exited into, weak solution temperature exits into vaporizer from regenerator after raising after regeneration, Weak solution is heated further by hot water in vaporizer, and temperature is increased to solution boiling temperature(Now the pressure in vaporizer is Vacuum low-pressure, the boiling point of solution is relatively low)Afterwards, solution boiling, produced vapor enters condenser, and vapor is within the condenser It is condensed into condensate, condensate flows out condenser from condenser first outfan, through the second electric expansion valve(Now second Electric expansion valve standard-sized sheet)Enter and condense water- to-water heat exchanger(During winter operation, condense water- to-water heat exchanger and play liquid storage effect), now condensate Heat exchanger the second input no liquid flows into.Meanwhile, the solution in vaporizer, because of the explosive evaporation of wherein water, surplus solution Concentration will improve, and realize solution regeneration, and concentrated solution exits into regenerator from vaporizer the 3rd outfan, changed wherein Heat, temperature flows out regenerator, through the first electric expansion valve after reducing(Now the first electric expansion valve standard-sized sheet)After enter dense molten Liquid absorber(Now the second closed electromagnetic valve).When the condensate in condensation water- to-water heat exchanger is filled, close the first electronic expansion Valve, the second electric expansion valve, open the second electromagnetic valve, the 3rd electromagnetic valve and tapping valve, now condense the condensation in water- to-water heat exchanger Water also will will enter solution pool through the second electromagnetic valve through the concentrated solution in tapping valve bleeder, concentrated solution absorber, when When condensate in condensation water- to-water heat exchanger and the concentrated solution in concentrated solution absorber all empty, close the second electromagnetic valve, the 3rd electricity Magnet valve and tapping valve, vacuum pump will be opened, and evacuate to condensing water- to-water heat exchanger, concentrated solution absorber and its connecting pipe, will When wherein pressure is extracted into below desired value, closes vacuum pump, open the first electric expansion valve, the second electric expansion valve, condensate Continue to flow into condensation water- to-water heat exchanger and concentrated solution absorber respectively with the concentrated solution after regeneration, after the two is filled, discharge again, take out Sky, so circulates.When the liquid level in solution pool is higher than setting value, the solution in solution pool is sucked and adds by the first solution pump startup Through check valve from device weak solution/coolant outlet bleeder after pressure.In heat source loop, from the hot water quilt of vaporizer outflow After heat-exchanger pump sucks pressurization, flow out from heat-exchanger pump, when solar energy can utilize, the 6th electromagnetic valve is opened, the 5th closed electromagnetic valve, The hot water flowing out from heat-exchanger pump enters solar thermal collector, and hot water absorbs solar heat wherein, and temperature raises, from solar energy Heat collector flow out hot water after the 6th electromagnetic valve from vaporizer second input enter vaporizer, hot water wherein with solution Heat exchange, temperature flows out vaporizer after reducing, and is sucked by heat-exchanger pump again, so circulates;When solar energy not can be utilized, the 6th electricity Magnet valve is closed, and the 5th electromagnetic valve opens, and the hot water flowing out from heat-exchanger pump enters superheat section heat exchanger, hot water wherein with cold-producing medium Heat exchange, temperature raises, and the hot water flowing out from superheat section heat exchanger enters from vaporizer second input after the 5th electromagnetic valve Vaporizer, hot water wherein with solution heat exchange, temperature flows out vaporizer after reducing, sucked by heat-exchanger pump again, so circulate.
When cooling in summer runs, heat source tower uses heat source tower heat pump as cooling tower, and the condensation heat of heat pump is entered greatly Compression ring border.Now the working media in heat source tower is water, there are not regeneration issues.Apparatus of the present invention are then can be utilized to realize in summer The cooling function of absorption refrigeration unit.
During this device summer operation, solution in vaporizer is seethed with excitement after hot water heating, and produced vapor enters cold Condenser, vapor is condensed within the condenser, and condensate flows out through the second electric expansion valve section from condenser first outfan Condensate heat exchanger is entered after stream(Now tapping valve is closed), condensate wherein with from device connect outside chilled water inlet enter The chilled water heat exchange entering, condensate evaporation endothermic, produce vapor, chilled water releases heat temperature in condensing water- to-water heat exchanger simultaneously After degree reduces, from device chilled water outlet bleeder, realize device cooling, condense the vapor producing in water- to-water heat exchanger from solidifying Bear water heat exchanger the 3rd outfan to flow out, enter concentrated solution absorber, absorbed by concentrated solution wherein, concentrated solution absorbs vapor Afterwards, concentration is thinning, and solution flows out to be entered after pressurization through the 7th electricity by the second solution pumping from concentrated solution absorber second outfan Magnet valve enters regenerator(Now the first closed electromagnetic valve), the concentrated solution in regenerator and by vaporizer inflow regenerator for the solution Carry out heat exchange, solution temperature exits into vaporizer from regenerator after raising, after solution heated boiling in vaporizer, because of water Divide evaporation, the concentration of solution improves, and solution exits into regenerator from vaporizer the 3rd outfan after thickening, changes in regenerator Heat, after temperature reduces, enters concentrated solution absorber after the first electric expansion valve throttling, absorbs vapor again, become dilute Solution, so circulates.The remainder of now regeneration/refrigerating circuit no longer works.
In heat source loop, sucked after pressurization by heat-exchanger pump from the hot water that vaporizer flows out, flow out from heat-exchanger pump, work as solar energy When available, the 6th electromagnetic valve is opened, the 5th closed electromagnetic valve, and the hot water flowing out from heat-exchanger pump will enter solar thermal collector, Hot water absorbs solar heat wherein, and temperature raises, the hot water flowing out from solar thermal collector after the 6th electromagnetic valve from Vaporizer second input enter vaporizer, hot water wherein with solution heat exchange, temperature reduce after flow out vaporizer, hot again Water pump sucks, and so circulates;When solar energy not can be utilized, the 6th closed electromagnetic valve, the 5th electromagnetic valve is opened, from heat-exchanger pump stream The hot water going out will enter superheat section heat exchanger, hot water wherein with refrigerant heat exchanger, temperature raise, from superheat section heat exchanger flow out Hot water after the 5th electromagnetic valve from vaporizer second input enter vaporizer, hot water wherein with solution heat exchange, temperature Flow out vaporizer after reduction, sucked by heat-exchanger pump again, so circulate.
In cooling circuit, cooling water connects after the weak solution of outside/cooling water inlet enters through the 4th electromagnetic valve from device Enter condenser, cooling water absorbs heat wherein, temperature flows out condenser, directly from device weak solution/coolant outlet after raising Bleeder.
Beneficial effect:The present invention compared with prior art, has advantages below:
1st, the present invention realizes summer cooling and the heat source tower heat pump regenerative device of solution of winter solution regeneration, true based on low pressure Dry running, can be utilized the thermal source of lower temperature to realize heat source tower heat pump solution in the winter time and regenerates and obtain high solution revival Rate, can achieve absorption refrigeration in summer, supplies cold, realizes a machine Winter-summer dual purpose it is achieved that device multi-functional and improving Device service efficiency.
2nd, the present invention realizes summer cooling and the heat source tower heat pump regenerative device of solution of winter solution regeneration, the achievable sun The discontinuous problem making full use of and solving solar energy of energy.When solar energy can utilize, the present invention can adopt solar energy heating The solar energy of device collection, as the driving heat source of solution regeneration or absorption refrigeration, when solar energy not can be utilized, can be utilized heat Pumping system superheated refrigerant cooling liberated heat out from compressor outlet, as the driving heat source of plant running, thus Achieve the efficient utilization in Summer and winter solar energy, solve solar energy using superheat section cold-producing medium cooling liberated heat simultaneously Discontinuous problem.
3rd, summer air-conditioning system loading increases with intensity of solar radiation and increases, and the present invention realizes summer cooling and winter The heat source tower heat pump regenerative device of solution of solution regeneration, summer can achieve Driven by Solar Energy refrigeration, and intensity of solar radiation is bigger, its Refrigerating capacity is stronger, just mates well with solar property, such that it is able to reduce the whole installed capacity of air conditioning system, subtracts Few initial cost, improves utilization rate of equipment and installations, realizes whole air conditioning system energy-efficient.
Brief description
Fig. 1 is the signal that the present invention realizes summer cooling and the heat source tower heat pump regenerative device of solution of winter solution regeneration Figure.
In figure has:Vaporizer 1;Vaporizer first input end 1a;Vaporizer the first outfan 1b;Vaporizer second input 1c;Vaporizer the second outfan 1d;Vaporizer the 3rd outfan 1e;Condenser 2;Condenser first input end 2a;Condenser One outfan 2b;Condenser the second input 2c;Condenser the second outfan 2d;Condense water- to-water heat exchanger 3;Condense water- to-water heat exchanger the One input 3a;Condense water- to-water heat exchanger the first outfan 3b;Condense water- to-water heat exchanger the second input 3c;Condense water- to-water heat exchanger second Outfan 3d;Condense water- to-water heat exchanger the 3rd outfan 3e;Concentrated solution absorber 4;Concentrated solution absorber first input end 4a;Dense molten Liquid absorber the first outfan 4b;Concentrated solution absorber the second input 4c;Concentrated solution absorber the second outfan 4d;Regenerator 5;Regenerator first input end 5a;Regenerator the first outfan 5b;Regenerator the second input 5c;Regenerator second outfan 5d;Solution pool 6;Solution pool first input end 6a;Solution pool the first outfan 6b;Solar thermal collector 7;Solar thermal collector is defeated Enter to hold 7a;Solar thermal collector outfan 7b;Superheat section heat exchanger 8;Superheat section heat exchanger first input end 8a;Superheat section heat exchange Device the first outfan 8b;Superheat section heat exchanger the second input 8c;Superheat section heat exchanger the second outfan 8d;First electromagnetic valve 9; First electric expansion valve 10;Second electromagnetic valve 11;First solution pump 12;Check valve 13;Second electric expansion valve 14;3rd electromagnetism Valve 15;Vacuum pump 16;4th electromagnetic valve 17;Heat-exchanger pump 18;5th electromagnetic valve 19;6th electromagnetic valve 20;7th electromagnetic valve 21;The Two solution pumps 22;Tapping valve 23.
Specific embodiment
To further illustrate the present invention with reference to Figure of description and specific embodiment.
The heat source tower heat pump regenerative device of solution realizing the regeneration of summer cooling and winter solution of the present invention, include regenerating/ Refrigerating circuit, heat source loop, cooling circuit, vacuum loop.In concrete method of attachment regeneration/refrigerating circuit, vaporizer first is defeated Enter to hold 1a to be connected with regenerator the first outfan 5b, vaporizer the first outfan 1b is connected with condenser first input end 2a, cold Condenser the first outfan 2b is connected with the entrance of the second electric expansion valve 14, and the outlet of the second electric expansion valve 14 is changed with condensate Hot device first input end 3a connects, and condenses water- to-water heat exchanger the first outfan 3b and is connected with air by tapping valve 23, condensate changes Hot device the second input 3c, in order to external freezing water source, for this device chilled water inlet, condenses water- to-water heat exchanger the second outfan 3d For this device chilled water outlet, condense water- to-water heat exchanger the 3rd outfan 3e and be connected with concentrated solution absorber the second input 4c;Steam Send out device the 3rd outfan 1e to be connected with regenerator the second input 5c, regenerator the second outfan 5d passes through the first electric expansion valve 10 are connected with concentrated solution absorber first input end 4a, concentrated solution absorber the first outfan 4b pass through the second electromagnetic valve 11 with molten Liquid pool first input end 6a connects;Solution pool the first outfan 6b is connected with the entrance of the first solution pump 12, the first solution pump 12 Outlet be connected with the entrance of check valve 13, concentrated solution absorber the second outfan 4d is connected with the second solution pump 22 entrance, The outlet of two solution pumps 22 is connected with regenerator first input end 5a by the 7th electromagnetic valve 21, and condenser the second outfan 2d divides For two-way, lead up to the first electromagnetic valve 9 and be connected with described regenerator first input end 5a, the outlet of another road and check valve 13 As this device weak solution/coolant outlet after converging;
In heat source loop, vaporizer the second outfan 1d is connected with the entrance of heat-exchanger pump 18, and the outlet of heat-exchanger pump 18 divides two Road, a road is connected with superheat section heat exchanger first input end 8a, and another road is connected with solar thermal collector input 7a, superheat section Heat exchanger the first outfan 8b is connected with vaporizer the second input 1c by the 5th electromagnetic valve 19, solar thermal collector outfan 7b is also connected with vaporizer the second input 1c by the 6th electromagnetic valve 20, superheat section heat exchanger the second input 8c in order to this Compressor outlet outside device connects, superheat section heat exchanger the second outfan 8d in order to this device outside the condenser that connects enter Mouth connects;
In cooling circuit, condenser the second input 2c pass through the 4th electromagnetic valve 17 with inflow this device outside dilute molten Liquid source/cooling water source connects, and condensation the second outfan 2d divides the first electromagnetic valve 9 in two-way, a road and regeneration/refrigerating circuit Entrance connects, a road with converge with the outlet of check valve 13 after as this device weak solution/coolant outlet;
In described vacuum loop, condense water- to-water heat exchanger first input end 3a and be connected with the outlet of the second electric expansion valve 14, Condense water- to-water heat exchanger the 3rd outfan 3e and be divided into two-way, a road is connected with concentrated solution tourie the second input 4c, another a-road-through Cross the 3rd electromagnetic valve 15 to be connected with air, be also connected with the entrance of vacuum pump 16 simultaneously, the outlet of described vacuum pump 16 and air Connect.
When this device winter operation carries out solution regeneration, connect the low of outside weak solution/cooling water inlet entrance from device Warm weak solution enters in condenser 2 through the 4th electromagnetic valve 17, the vapor heat exchange in weak solution and condenser 2, and weak solution is inhaled After receiving thermal temperature rising, flow out from condenser the second outfan 2d, the weak solution flowing out from condenser 2 is divided into two parts, one Partly directly from device weak solution/coolant outlet bleeder, another part enters regenerator 5 by the first electromagnetic valve 9 (Now the 7th electromagnetic valve 21 cuts out), exit into the high temperature concentrated solution of regenerator 5 and change with after regenerating from vaporizer 1 wherein Heat, weak solution temperature exits into vaporizer 1 from regenerator 5 after raising, and weak solution is added further by hot water in vaporizer 1 Heat, temperature is increased to solution boiling temperature(Now the pressure in vaporizer 1 is vacuum low-pressure, and the boiling point of solution is relatively low)Afterwards, molten Liquid seethes with excitement, and produced vapor enters condenser 2, and vapor is condensed into condensate in condenser 2, and condensate is from condensation Device the first outfan 2b flows out condenser 2, through the second electric expansion valve 14(Now the second electric expansion valve 14 standard-sized sheet)Enter Condense water- to-water heat exchanger 3(During winter operation, condense water- to-water heat exchanger 3 and play liquid storage effect), now condense water- to-water heat exchanger second input 3c no liquid flows into.Meanwhile, the solution in vaporizer 1, because of the explosive evaporation of wherein water, the concentration of surplus solution will improve, real Existing solution regeneration, concentrated solution exits into regenerator 5 from vaporizer the 3rd outfan 1e, carries out heat exchange wherein, and temperature reduces Flow out regenerator 5 afterwards, through the first electric expansion valve 10(Now the first electric expansion valve 10 standard-sized sheet)Enter concentrated solution afterwards to absorb Device 4(Now the second electromagnetic valve 11 cuts out).When the condensate in condensation water- to-water heat exchanger 3 is filled, close the first electric expansion valve 10th, the second electric expansion valve 14, opens the second electromagnetic valve 11, the 3rd electromagnetic valve 15 and tapping valve 23, now condenses water- to-water heat exchanger 3 In condensate will be through tapping valve 23 bleeder, the concentrated solution in concentrated solution absorber 4 also will be through the second electromagnetic valve 11 Enter solution pool 6, when condensing the concentrated solution in condensate and the concentrated solution absorber 4 in water- to-water heat exchanger 3 and all emptying, close the Two electromagnetic valves 11, the 3rd electromagnetic valve 15 and tapping valve 23, vacuum pump 16 will be opened, to condensation water- to-water heat exchanger 3, concentrated solution absorber 4 and its connecting pipe evacuated, vacuum pump 16 will be closed, opens the first electronics swollen when wherein pressure is extracted into below desired value Concentrated solution after swollen valve 10, the second electric expansion valve 14, condensate and regeneration continues to flow into condensation water- to-water heat exchanger 3 and dense molten respectively Liquid absorber 4, after the two is filled, discharges again, evacuates, and so circulates.When the liquid level in solution pool 6 is higher than setting value, the One solution pump 12 start by solution pool 6 solution suck pressurization after through check valve 13 from device weak solution/coolant outlet Bleeder.In heat source loop, the hot water flowing out from vaporizer 1 is sucked after pressurization by heat-exchanger pump 18, flows out from heat-exchanger pump 18, when When solar energy can utilize, the 6th electromagnetic valve 20 is opened, and the 5th electromagnetic valve 19 cuts out, and the hot water flowing out from heat-exchanger pump 18 enters the sun Can heat collector 7, hot water absorbs solar heat wherein, and temperature raises, and the hot water flowing out from solar thermal collector 7 is through the 6th After electromagnetic valve 20 from vaporizer the second input 1c enter vaporizer 1, hot water wherein with solution heat exchange, temperature reduce after flow out Vaporizer 1, is sucked by heat-exchanger pump 18 again, so circulates;When solar energy not can be utilized, the 6th electromagnetic valve 20 cuts out, and the 5th Electromagnetic valve 19 is opened, from heat-exchanger pump 18 flow out hot water enter superheat section heat exchanger 8, hot water wherein with refrigerant heat exchanger, temperature Degree raises, and the hot water flowing out from superheat section heat exchanger 8 enters from vaporizer the second input 1c after the 5th electromagnetic valve 19 and steams Send out device 1, hot water wherein with solution heat exchange, temperature flows out vaporizer 1 after reducing, sucked by heat-exchanger pump 18 again, so circulate.
During the work of this device cooling in summer, the solution in vaporizer 1 is seethed with excitement after hot water heating, and produced vapor enters Enter condenser 2, vapor is condensed in condenser 2, condensate flows out through the second electronics from condenser the first outfan 2b Condensate heat exchanger 3 is entered after expansion valve 14 throttling(Now tapping valve 23 is closed), condensate connects outside with from device wherein Chilled water inlet enter chilled water heat exchange, condensate evaporation endothermic, produce vapor, chilled water is in condensate heat exchange simultaneously After releasing thermal temperature reduction in device 3, from device chilled water outlet bleeder, realize device cooling, condense in water- to-water heat exchanger 3 The vapor producing, from condensing water- to-water heat exchanger the 3rd outfan 3e outflow, enters concentrated solution absorber 4, is inhaled by concentrated solution wherein Receive, after concentrated solution absorbs vapor, concentration is thinning, solution flows out by the second solution pump from concentrated solution absorber the second outfan 4d Regenerator 5 is entered through the 7th electromagnetic valve 21 after 22 suction pressurizations(Now the first electromagnetic valve 9 cuts out), solution is in regenerator 5 Carry out heat exchange with the concentrated solution being flowed into regenerator 5 by vaporizer 1, solution temperature exits into vaporizer from regenerator 5 after raising 1, after solution heated boiling in vaporizer 1, because of moisture evaporation, the concentration of solution improves, solution thicken after from vaporizer the Three outfan 1e exit into regenerator 5, heat exchange in regenerator 5, after temperature reduces, throttle through the first electric expansion valve 10 Enter concentrated solution absorber 4 afterwards, absorb vapor again, become weak solution, so circulate.Now regeneration/refrigerating circuit its Remaining part is divided and is no longer worked.
In heat source loop, the hot water flowing out from vaporizer 1 is sucked after pressurization by heat-exchanger pump 18, flows out from heat-exchanger pump 18, when When solar energy can utilize, the 6th electromagnetic valve 20 is opened, and the 5th electromagnetic valve 19 cuts out, and the hot water flowing out from heat-exchanger pump 18 will enter too Sun can heat collector 7, hot water absorbs solar heat wherein, and temperature raises, and the hot water flowing out from solar thermal collector 7 is through the After six electromagnetic valves 20 from vaporizer the second input 1c enter vaporizer 1, hot water wherein with solution heat exchange, temperature reduce after flow Go out vaporizer 1, sucked by heat-exchanger pump 18 again, so circulate;When solar energy not can be utilized, the 6th electromagnetic valve 20 cuts out, the Five electromagnetic valves 19 are opened, and the hot water flowing out from heat-exchanger pump 18 will enter superheat section heat exchanger 8, and hot water is changed with cold-producing medium wherein Heat, temperature raises, and the hot water flowing out from superheat section heat exchanger 8 enters from vaporizer the second input 1c after the 5th electromagnetic valve 19 Enter vaporizer 1, hot water wherein with solution heat exchange, temperature reduce after flow out vaporizer 1, sucked by heat-exchanger pump 18 again, so Circulation.
In cooling circuit, cooling water connects after the weak solution of outside/cooling water inlet enters through the 4th electromagnetic valve from device 17 entrance condensers 2, cooling water absorbs heat wherein, and temperature flows out condenser 2, directly from device weak solution/cooling water after raising Outlet bleeder.
Above-described embodiment be only the preferred embodiment of the present invention it should be pointed out that:Ordinary skill for the art For personnel, under the premise without departing from the principles of the invention, some improvement and equivalent can also be made, these are to the present invention Claim improves and the technical scheme after equivalent, each falls within protection scope of the present invention.

Claims (4)

1. a kind of heat source tower heat pump regenerative device of solution realizing the regeneration of summer cooling and winter solution is it is characterised in that this dress Put including regeneration/refrigerating circuit, heat source loop, cooling circuit, vacuum loop:
Described regeneration/refrigerating circuit includes vaporizer(1), condenser(2), condense water- to-water heat exchanger(3), concentrated solution absorber(4)、 Regenerator(5), solution pool(6), the first electromagnetic valve(9), the first electric expansion valve(10), the second electromagnetic valve(11), the first solution Pump(12), check valve(13), the second electric expansion valve(14), the 7th electromagnetic valve(21), the second solution pump(22), tapping valve(23) And its relevant connection pipeline, described vaporizer(1)It is also the component parts of heat source loop simultaneously, condenser(2)It is also cold simultaneously But the component parts in loop, condense water- to-water heat exchanger(3), concentrated solution absorber(4), the second electric expansion valve(14)It is also true simultaneously The component parts on backlash road;
In described regeneration/refrigerating circuit, vaporizer first input end(1a)With regenerator first outfan(5b)Connect, vaporizer First outfan(1b)With condenser first input end(2a)Connect, condenser first outfan(2b)With the second electric expansion valve (14)Entrance connect, the second electric expansion valve(14)Outlet with condense water- to-water heat exchanger first input end(3a)Connect, condense Water- to-water heat exchanger first outfan(3b)By tapping valve(23)It is connected with air, condense water- to-water heat exchanger second input(3c)In order to External freezing water source, for this device chilled water inlet, condenses water- to-water heat exchanger second outfan(3d)For this device chilled water outlet, Condense water- to-water heat exchanger the 3rd outfan(3e)With concentrated solution absorber second input(4c)Connect;Vaporizer the 3rd outfan (1e)With regenerator second input(5c)Connect, regenerator second outfan(5d)By the second electric expansion valve(10)With dense Solution absorber first input end(4a)Connect, concentrated solution absorber first outfan(4b)By the second electromagnetic valve(11)With molten Liquid pool first input end(6a)Connect, solution pool first outfan(6b)With the first solution pump(12)Entrance connect, first is molten Liquid pump(12)Outlet and check valve(13)Entrance connect;Concentrated solution absorber second outfan(4d)With the second solution pump (22)Entrance connects, the second solution pump(22)Outlet pass through the 7th electromagnetic valve(21)With regenerator first input end(5a)Even Connect, condenser second outfan(2d)It is divided into two-way, lead up to the first electromagnetic valve(9)With described regenerator first input end (5a)Connection, another road and check valve(13)Outlet converge after as this device weak solution/coolant outlet;
Described heat source loop includes vaporizer(1), solar thermal collector(7), superheat section heat exchanger(8), heat-exchanger pump(18), the 5th Electromagnetic valve(19), the 6th electromagnetic valve(20)And its relevant connection pipeline;In described heat source loop, vaporizer second outfan(1d) With heat-exchanger pump(18)Entrance connect, heat-exchanger pump(18)Outlet divide two-way, a road and superheat section heat exchanger first input end (8a)Connection, another road and solar thermal collector input(7a)Connect, superheat section heat exchanger first outfan(8b)By Five electromagnetic valves(19)With vaporizer second input(1c)Connect, solar thermal collector outfan(7b)By the 6th electromagnetic valve (20)Also with vaporizer second input(1c)Connect, superheat section heat exchanger second input(8c)In order to outside with this device Compressor outlet connects, superheat section heat exchanger second outfan(8d)Entrance in order to the condenser external with this device is connected;
Described cooling circuit includes condenser(2), the 4th electromagnetic valve(17)And its relevant connection pipeline;In described cooling circuit, Condenser second input(2c)By the 4th electromagnetic valve(17)Weak solution source/the cooling water source outside with this device is connected, cold Solidifying second outfan(2d)Divide the first electromagnetic valve in two-way, a road and regeneration/refrigerating circuit(9)Entrance connect, a road with Check valve(13)Outlet converge after as this device weak solution/coolant outlet;
Described vacuum loop includes condensing water- to-water heat exchanger(3), the second electric expansion valve(14), the 3rd electromagnetic valve(15), vacuum pump (16), concentrated solution absorber(4)And its relevant connection pipeline;In described vacuum loop, condense water- to-water heat exchanger first input end (3a)With the second electric expansion valve(14)Outlet connect, condense water- to-water heat exchanger the 3rd outfan(3e)Be divided into two-way, a road with Concentrated solution tourie second input(4c)Connect, separately lead up to the 3rd electromagnetic valve(15)Be connected with air, simultaneously also with very Empty pump(16)Entrance connect, described vacuum pump(16)Outlet be connected with air.
2. the heat source tower heat pump regenerative device of solution realizing summer cooling and the regeneration of winter solution according to claim 1, It is characterized in that, this device is based on low-voltage vacuum and runs, and winter can realize heat source tower heat pump solution using the thermal source of lower temperature Regenerate and obtain high solution regeneration efficiency, can achieve absorption refrigeration in summer, supply cold, realize a machine Winter-summer dual purpose, Achieve the multi-functional of device and improve device service efficiency.
3. the heat source tower heat pump solution regeneration dress realizing summer cooling and the regeneration of winter solution according to claim 1 and 2 Put it is characterised in that this device is when solar energy can utilize, the 5th electromagnetic valve(19)It is closed, the 6th electromagnetic valve (20)It is in opening, using solar thermal collector(7)The solar energy of collection is as the drive of solution regeneration or absorption refrigeration Dynamic thermal source;When solar energy not can be utilized, the 5th electromagnetic valve(19)It is in opening, the 6th electromagnetic valve(20)It is in closing shape State, using superheat section heat exchanger(8)Middle superheated refrigerant cools down liberated heat, as the driving heat source of plant running, thus Achieve the efficient utilization in Summer and winter solar energy, solve solar energy using superheat section cold-producing medium cooling liberated heat simultaneously Discontinuous problem.
4. the heat source tower heat pump solution regeneration dress realizing summer cooling and the regeneration of winter solution according to claim 1 and 2 Put condenser second outfan it is characterised in that in described regeneration/refrigerating circuit(2d)The weak solution part flowing out is through first Electromagnetic valve(9)And regenerator(5)Enter vaporizer(1), using weak solution through condenser(2)After heat absorption, temperature raises and enters back into Vaporizer(1), decrease the heating amount needed for weak solution entering regeneration in vaporizer, thus improving system effectiveness.
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CN106989540B (en) * 2017-05-11 2023-06-30 南京工程学院 Dual-machine heat source tower heat pump system with solution regeneration function and solution regeneration method
CN109489133A (en) * 2018-09-29 2019-03-19 东南大学 A kind of solar energy solution regeneration system based on passive vacuum
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