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 PDFInfo
- 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
- Authority
- CN
- China
- Prior art keywords
- solution
- heat
- water
- outfan
- electromagnetic valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-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
- F24F5/0007—Air-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
- F24F5/001—Compression cycle type
-
- 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
-
- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
Landscapes
- 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
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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410674184.XA CN104390300B (en) | 2014-11-24 | 2014-11-24 | Heat source tower heat pump solution regeneration device achieving cooling in summer and solution regeneration in winter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410674184.XA CN104390300B (en) | 2014-11-24 | 2014-11-24 | Heat source tower heat pump solution regeneration device achieving cooling in summer and solution regeneration in winter |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104390300A CN104390300A (en) | 2015-03-04 |
CN104390300B true CN104390300B (en) | 2017-02-22 |
Family
ID=52608237
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410674184.XA Active CN104390300B (en) | 2014-11-24 | 2014-11-24 | Heat source tower heat pump solution regeneration device achieving cooling in summer and solution regeneration in winter |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104390300B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105299989A (en) * | 2015-12-04 | 2016-02-03 | 山东富特能源管理股份有限公司 | Recycling method for effect-raising anti-freezing solution of air cooled heat pump |
CN105627628B (en) * | 2016-03-21 | 2018-08-24 | 浦江县安恒进出口有限公司 | The preparation method of heat source tower chemical heat pump |
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 |
CN114777350A (en) * | 2022-05-19 | 2022-07-22 | 华北电力大学 | Photovoltaic heat-ground source thermal coupling double-evaporator hybrid heating and cooling system |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004144420A (en) * | 2002-10-25 | 2004-05-20 | Osaka Gas Co Ltd | Refrigeration system |
CN1558152A (en) * | 2004-01-15 | 2004-12-29 | 绍兴吉利尔科技发展有限公司 | Composite air treating method based on solution dehumidifying cooling and refrigeration cycle |
JP3905986B2 (en) * | 1998-10-19 | 2007-04-18 | 三洋電機株式会社 | Waste heat utilization air conditioning system |
CN201149400Y (en) * | 2008-01-11 | 2008-11-12 | 东南大学 | Air source/water cold-hot pump device based on solution |
KR20090044885A (en) * | 2007-11-01 | 2009-05-07 | 원에이치피산업 주식회사 | Heat pump type air conditioning and heating system |
US8915092B2 (en) * | 2011-01-19 | 2014-12-23 | Venmar Ces, Inc. | Heat pump system having a pre-processing module |
CN204345839U (en) * | 2014-11-24 | 2015-05-20 | 东南大学 | A kind of heat source tower heat pump regeneration of waste liquor and cooling apparatus realizing open and close type circulation |
-
2014
- 2014-11-24 CN CN201410674184.XA patent/CN104390300B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3905986B2 (en) * | 1998-10-19 | 2007-04-18 | 三洋電機株式会社 | Waste heat utilization air conditioning system |
JP2004144420A (en) * | 2002-10-25 | 2004-05-20 | Osaka Gas Co Ltd | Refrigeration system |
CN1558152A (en) * | 2004-01-15 | 2004-12-29 | 绍兴吉利尔科技发展有限公司 | Composite air treating method based on solution dehumidifying cooling and refrigeration cycle |
KR20090044885A (en) * | 2007-11-01 | 2009-05-07 | 원에이치피산업 주식회사 | Heat pump type air conditioning and heating system |
CN201149400Y (en) * | 2008-01-11 | 2008-11-12 | 东南大学 | Air source/water cold-hot pump device based on solution |
US8915092B2 (en) * | 2011-01-19 | 2014-12-23 | Venmar Ces, Inc. | Heat pump system having a pre-processing module |
CN204345839U (en) * | 2014-11-24 | 2015-05-20 | 东南大学 | A kind of heat source tower heat pump regeneration of waste liquor and cooling apparatus realizing open and close type circulation |
Also Published As
Publication number | Publication date |
---|---|
CN104390300A (en) | 2015-03-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103411352B (en) | Heat source tower heat pump device achieving solution low-pressure boiling regeneration through heat of subcooling | |
CN104390300B (en) | Heat source tower heat pump solution regeneration device achieving cooling in summer and solution regeneration in winter | |
CN103438613B (en) | Compound integrated heat source tower heat pump device | |
CN204345839U (en) | A kind of heat source tower heat pump regeneration of waste liquor and cooling apparatus realizing open and close type circulation | |
CN103411351B (en) | Heat-source tower heat pump for realizing solution regeneration and heat reutilization on basis of vacuum boiling | |
CN103353189B (en) | Air-based heat-source tower heat pump for realizing high-efficiency utilization of regenerated heat based on air | |
CN106642789A (en) | Heat-source tower heat pump system capable of realizing comprehensive utilization of solar energy and seasonal energy storage in soil | |
CN104913364B (en) | A kind of solar energy soil source hot water type absorption heat pump heating system | |
CN102901167B (en) | Heat source tower heat pump device for achieving comprehensive utilization of solar energy | |
CN106288097B (en) | Trans critical cycle and the compound air treatment system of solution dehumidification system | |
CN103267325B (en) | Integrated heat source tower heat pump device based on comprehensive utilization | |
CN203478691U (en) | Heat source tower heat pump system based on solution lower pressure boiling and regeneration | |
CN104374020B (en) | Water source heat pump air conditioning system | |
CN202853213U (en) | Heat source tower heat pump system based on solar energy regeneration | |
CN203478695U (en) | Heat pump device capable of regenerating liquor by aid of sub-cooling heat for heat source tower | |
CN203478697U (en) | Integrated heat pump device for heat source tower | |
CN104266405B (en) | A kind of heat source tower heat pump system and method for pump type heat multiple-effect regeneration | |
CN106352583B (en) | A kind of heat source tower heat pump system utilized based on freezing regeneration and reactivation heat | |
CN102853576B (en) | Boiling regeneration type heat pump system for heat source tower | |
CN203478477U (en) | Heat source tower heat pump system for efficient recovery of regenerative heat | |
CN105716324A (en) | Double-heat-source efficient air conditioner system based on compression-injection combination and application | |
CN206504423U (en) | Realize that solar energy composite is utilized and the heat source tower heat pump across season energy storage using soil | |
CN207487126U (en) | A kind of automatic waste heat recovery water heater for being embedded in refrigeration system | |
CN107560159A (en) | A kind of automatic waste heat recovery water heater for being embedded in refrigeration system | |
CN104654663A (en) | Heat exchanger |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant |