CN104879952A - Rectifying tower type variable concentration non-azeotropic working medium hot pump system and running method - Google Patents
Rectifying tower type variable concentration non-azeotropic working medium hot pump system and running method Download PDFInfo
- Publication number
- CN104879952A CN104879952A CN201510259824.5A CN201510259824A CN104879952A CN 104879952 A CN104879952 A CN 104879952A CN 201510259824 A CN201510259824 A CN 201510259824A CN 104879952 A CN104879952 A CN 104879952A
- Authority
- CN
- China
- Prior art keywords
- working medium
- valve
- azeotropic working
- interface
- component
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
-
- 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
- F25B39/00—Evaporators; Condensers
-
- 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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
-
- 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
- F25B2500/00—Problems to be solved
- F25B2500/31—Low ambient temperatures
Abstract
The invention discloses a rectifying tower type variable concentration non-azeotropic working medium hot pump system and a running method, and belongs to the technical field of a hot pump air conditioner. The system mainly includes a compressor, a four-way valve, an outdoor heat exchanger, a flow direction switching device, a component regulating device, a stored fluid heat regenerator, a system expanding valve, an indoor heat exchanger, a three-way valve and a corresponding linking pipe. Through arranging the component separating tank, the system storage fluid heat regenerating tank, the corresponding linking pipe and the valve, the quasi-secondary-grade compression, fluid injection, concentration adjustment of system working medium and other functions can be realized. Through the comprehensive application of non-azeotropic working medium, gas supplementation, injection and component concentration adjusting technology, the hot pump system can improve the heating amount and COP of the hot pump under the low temperature condition, increase the seasonal efficiency level of the hot pump device, and effectively control the exhaust temperature of the low-temperature condition of the compressor.
Description
Technical field
The present invention relates to a kind of non-azeotropic working medium heat pump and operation method, particularly relate to a kind of Variable Composition non-azeotropic working medium heat pump and operation method thereof, belong to heat pump air conditioner technical field.
Background technology
China's building energy consumption accounts for 1/3 of social commodities total energy consumption.Wherein, only the heating of northern cities and towns just consumes more than 25% of whole nation building total energy consumption.Meanwhile, along with fast development and the living standards of the people raising of Chinese Urbanization, new heating demands constantly occurs.
China Yangtze river basin is vast in territory, populous.The Yangtze river basin is located in hot summer and warm winter area band, and winter is clammy.Affect by habits and customs, this area's residential housing long term does not use or only uses simple heating means (electric blanket, electric oily spit of fland etc.), and indoor thermal comfort is poor.But along with the fast development of this area's economy, the cry of central heating is surging gradually, is once becoming the topic that the whole people discuss warmly.Research shows: the Yangtze river basin is not suitable for adopting large-scale central heating; Be that the decentralized heating mode of representative has good applicability in this area with air source heat pump.
In addition, in the northern area of China, although it is the central heating mode of thermal source that Urban Areas mainly adopts with cogeneration of heat and power, but the heating systems such as the house of a large amount of non-central heating covering area still uses fire coal, fuel oil, electricity warms up, energy efficiency is low, seriously polluted, become the northern area of China haze in winter etc. and pollute one of important origin cause of formation of weather.Therefore, for reducing environmental pressure, northern area each province and city all promote the alternative project of coal-burning stove for heating, and drug in some provinces is prohibited and used coal-fired decentralized heating.In alternative heating technology, ground/water resource heat pump is large due to place capacity and floor space, is not suitable for residence heating.Gas-heating limits by source of the gas and pipe network, only has good applicability in specific region.Therefore, air source heat pump becomes the important option that northern area (especially cold district) substitutes coal-burning stove for heating.
In fact, air source heat pump (most common form is domestic heat pump air conditioning device) existing to be applied in above-mentioned area early stage, but caused it not use on a large scale due to worst cold case heating capacity deficiency (it is low that user is felt as leaving air temp) and not energy efficient (it is large that user is felt as power consumption).The usefulness that heats improving air source heat pump is key in above-mentioned regional large-scale application.
Improve the effective non-azeotropic working medium internal circulating load of worst cold case, improve the Temperature Matching degree of evaporimeter and condenser, improve non-azeotropic working medium evaporation latent heat, reduce delivery temperature and become the key problem in technology improving air source heat pump Performance And Reliability.
Summary of the invention
The object of this invention is to provide a kind of rectifying tower Variable Composition non-azeotropic working medium heat pump and operation method, by the integrated application of non-azeotropic working medium, tonifying Qi, hydrojet and Component seperation and concentration control technology, heat pump can be improved at the heating capacity of worst cold case and COP, improve the seasonal energy efficiency level of heat pump assembly, and effectively control the delivery temperature of compressor worst cold case, promoted the separation purity of component simultaneously by rectifying column, expand the adjustable range of systemic concentration.
The present invention proposes following technical scheme:
A kind of rectifying tower Variable Composition non-azeotropic working medium heat pump, comprise compressor, cross valve, outdoor heat exchanger, flow to switching device shifter, liquid storage regenerator, system expansion valve and indoor heat exchanger, the described switching device shifter that flows to comprises the first check valve, the second check valve, the 3rd check valve and the 4th check valve, arranges reheat coils in described liquid storage regenerator; Exhaust outlet of compressor is connected with cross valve exhaust port; Cross valve outdoor heat exchanger interface is connected with the entrance of the first check valve and the outlet of the second check valve through outdoor heat exchanger; The outlet of the first check valve is connected with the outlet of the 4th check valve; The entrance of the second check valve is connected with the entrance of the 3rd check valve; Cross valve indoor heat exchanger interface is connected with the outlet of the 3rd check valve and the entrance of the 4th check valve through indoor heat exchanger successively; Liquid storage regenerator liquid outlet is connected with the 3rd one-way valve inlet through system expansion valve; Reheat coils outlet is connected with compressor air suction mouth; It is characterized in that: arrange component regulation device, described component regulation device comprises: choke valve, delivery temperature control valve, gas supply control valve, Component seperation tank, systemic concentration control valve and rectifying cooler, arranges heat(ing) coil in described Component seperation tank; Component seperation tank entrance is connected with the first one-way valved outlet through choke valve; Component seperation tank gas vent is connected with compressor gas supplementing opening through gas supply control valve; First one-way valved outlet is connected with liquid storage regenerator entrance with heat(ing) coil outlet through Component seperation tank heat(ing) coil entrance, heat(ing) coil successively; Component seperation tank liquid outlet is connected with the 3rd one-way valve inlet through systemic concentration control valve; Component seperation tank rectifying gas vent is connected with Component seperation tank rectifying liquid return port through rectifying cooler; Arrange delivery temperature controlling brancher, one end of this branch road is connected with the first one-way valved outlet, and the other end is connected with the entrance of gas supply control valve, and described delivery temperature control valve is arranged on this branch road; Arrange triple valve, triple valve first interface is connected with cross valve air-breathing interface, and triple valve second interface is connected with reheat coils entrance, and triple valve the 3rd outlet is connected through the pipeline between rectifying cooler with triple valve second interface to reheat coils entrance.
In technique scheme, described systematic working medium is non-azeotrope non-azeotropic working medium; Described compressor is two-stage compressor or accurate split-compressor structure; In described Component seperation tank, can filler be set.
The operation method of a kind of rectifying tower Variable Composition non-azeotropic working medium heat pump provided by the invention, is characterized in that: this operation method comprises following several operational mode:
A) improve high pressure concentration of component under cooling condition: cross valve power-off, choke valve and gas supply control valve are opened, and delivery temperature control valve and systemic concentration control valve are closed, and triple valve first interface and triple valve the 3rd interface are connected, now, compressor air-discharging flows through exhaust outlet, cross valve exhaust port and cross valve outdoor heat exchanger interface successively and enters outdoor heat exchanger, and high pressure gaseous non-azeotropic working medium flows into the first one-way valve inlet be condensed into the liquid non-azeotropic working medium of HTHP in outdoor heat exchanger after, at the first one-way valved outlet, non-azeotropic working medium is divided into two-way: first via non-azeotropic working medium becomes middle pressure two-phase non-azeotropic working medium after choke valve throttling, enters Component seperation tank through Component seperation tank centre entrance, now, liquid phase is rich in low pressure component and gas phase is rich in high pressure component, and liquid phase component is stored at the bottom of tank, and gaseous component enters compressor gas supplementing opening through Component seperation tank gas vent and gas supply control valve and participates in circulation, second road non-azeotropic working medium flows into heat(ing) coil through heat(ing) coil entrance, in heat(ing) coil, the cold that first via non-azeotropic working medium carries is taken away by the second road non-azeotropic working medium and the heat exchange of first via non-azeotropic working medium, the refrigerating capacity of raising system and efficiency level, improve its Component seperation purity by carrying out heating to the liquid non-azeotropic working medium in Component seperation tank simultaneously, meanwhile, the part gaseous state non-azeotropic working medium on Component seperation tank top is cooled to liquid by the cryogenic compressor air-breathing from triple valve the 3rd interface after rectifying gas vent flows out in rectifying cooler, with after to return in Component seperation tank through rectifying liquid return port and spray, improve Component seperation efficiency, from heat(ing) coil outlet flow out the cold non-azeotropic working medium of mistake enter liquid storage regenerator, with after the low temperature suction heat exchange in reheat coils by excessively cold further, flowed out by bottom, the cold non-azeotropic working medium of mistake flowed out is after the throttling of system expansion valve, become low-temp low-pressure two-phase non-azeotropic working medium, evaporation is entered in indoor heat exchanger and heat in suction chamber through the 3rd check valve, gasification is for after low-temp low-pressure gaseous state non-azeotropic working medium, successively through cross valve indoor heat exchanger interface, cross valve air-breathing interface, triple valve first interface and triple valve the 3rd interface, cool rectifying gas in rectifying cooler after, backheat in reheat coils is entered through reheat coils entrance, enter compressor air suction mouth through reheat coils outlet after the degree of superheat increases further and enter next circulation.
B) improve low pressure concentration of component under cooling condition: cross valve power-off, systemic concentration control valve is opened, and choke valve, delivery temperature control valve and gas supply control valve are closed, and triple valve first interface and triple valve second interface are connected; Now, compressor air-discharging flows through exhaust outlet, cross valve exhaust port and cross valve outdoor heat exchanger interface successively and enters outdoor heat exchanger, after high pressure gaseous non-azeotropic working medium is condensed into the liquid non-azeotropic working medium of HTHP in outdoor heat exchanger, liquid storage regenerator is entered successively through the first check valve, heat(ing) coil, with after the low temperature suction heat exchange in reheat coils by excessively cold, flowed out by bottom; The cold non-azeotropic working medium of mistake flowed out is after the throttling of system expansion valve, become low-temp low-pressure two-phase non-azeotropic working medium, evaporation is entered in indoor heat exchanger and heat in suction chamber through the 3rd check valve, gasification, for entering backheat in reheat coils through cross valve indoor heat exchanger interface, cross valve air-breathing interface, triple valve first interface, triple valve second interface and liquid storage regenerator reheat coils entrance successively after low-temp low-pressure gaseous state non-azeotropic working medium, enters compressor air suction mouth through reheat coils outlet after the degree of superheat increases further and enters next circulation; Meanwhile, Component seperation tank, under the heating of heat(ing) coil, keeps intermediate pressure; Under pressure reduction promotes, high-low pressure concentration of component non-azeotropic working medium flows into system through systemic concentration control valve and participates in circulation.
C) improve high pressure concentration of component under heating condition: cross valve is energized, choke valve and gas supply control valve are opened, and delivery temperature control valve and systemic concentration control valve are closed, and triple valve first interface and triple valve the 3rd interface are connected; Now, compressor air-discharging flows through exhaust outlet, cross valve exhaust port and cross valve indoor heat exchanger interface successively and enters indoor heat exchanger, high pressure gaseous non-azeotropic working medium is condensed into the liquid non-azeotropic working medium of HTHP in indoor heat exchanger, and flows into the 4th one-way valve inlet after indoor heating; At the 4th one-way valved outlet, non-azeotropic working medium is divided into two-way: first via non-azeotropic working medium, after choke valve throttling, becomes middle pressure two-phase non-azeotropic working medium, enters Component seperation tank through Component seperation tank centre entrance; Now, liquid phase is rich in low pressure component and gas phase is rich in high pressure component, and liquid phase component is stored at the bottom of tank, and gaseous component enters compressor gas supplementing opening through Component seperation tank gas vent and gas supply control valve and participates in circulation; Second road non-azeotropic working medium flows into heat(ing) coil through heat(ing) coil entrance, in heat(ing) coil, the cold that first via non-azeotropic working medium carries is taken away by the second road non-azeotropic working medium and the heat exchange of first via non-azeotropic working medium, the heating capacity of raising system and efficiency level, improve its Component seperation purity by carrying out heating to the liquid non-azeotropic working medium in Component seperation tank simultaneously; Meanwhile, the part gaseous state non-azeotropic working medium of Component seperation tank is cooled to liquid by the cryogenic compressor air-breathing from triple valve the 3rd interface after rectifying gas vent flows out in rectifying cooler, with after to return in Component seperation tank through rectifying liquid return port and spray, improve Component seperation efficiency; From heat(ing) coil outlet flow out the cold non-azeotropic working medium of mistake enter liquid storage regenerator, with after the low temperature suction heat exchange in reheat coils by excessively cold further, flowed out by bottom; The cold non-azeotropic working medium of mistake flowed out is after the throttling of system expansion valve, become low-temp low-pressure two-phase non-azeotropic working medium, enter in outdoor heat exchanger through the second check valve and evaporate pipette, gasification is for after low-temp low-pressure gaseous state non-azeotropic working medium, successively through cross valve outdoor heat exchanger interface, cross valve air-breathing interface, triple valve first interface and triple valve the 3rd interface, cool rectifying gas in rectifying cooler after, enter backheat in reheat coils through reheat coils entrance, enter compressor air suction mouth through reheat coils outlet after the degree of superheat increases further and enter next circulation.
D) improve low pressure concentration of component under heating condition: cross valve is energized, systemic concentration control valve is opened, and choke valve, delivery temperature control valve and gas supply control valve are closed, and triple valve first interface and the second interface are connected; Now, compressor air-discharging flows through exhaust outlet, cross valve exhaust port and cross valve indoor heat exchanger interface successively and enters indoor heat exchanger, high pressure gaseous non-azeotropic working medium is condensed in the liquid non-azeotropic working medium process of HTHP simultaneously to indoor heating in indoor heat exchanger, liquid storage regenerator is entered successively afterwards after the 4th check valve, heat(ing) coil, with after the low temperature suction heat exchange in reheat coils by excessively cold, flowed out by bottom; The cold non-azeotropic working medium of mistake flowed out is after the throttling of system expansion valve, become low-temp low-pressure two-phase non-azeotropic working medium, evaporation endothermic in outdoor heat exchanger is entered through the second check valve, gasification, for entering backheat in reheat coils through cross valve outdoor heat exchanger interface, cross valve air-breathing interface, triple valve first interface, triple valve second interface and reheat coils entrance successively after low-temp low-pressure gaseous state non-azeotropic working medium, enters compressor air suction mouth through reheat coils outlet after the degree of superheat increases further and enters next circulation; Meanwhile, Component seperation tank, under the heating of heat(ing) coil, keeps intermediate pressure; Under pressure reduction promotes, high-low pressure concentration of component non-azeotropic working medium flows into system through systemic concentration control valve and participates in circulation.
E) under low-temperature heating operating mode, concentration of component regulates: cross valve is energized, and choke valve, delivery temperature control valve, gas supply control valve and systemic concentration control valve are opened; Triple valve first interface and triple valve the 3rd interface are connected; Now, compressor air-discharging flows through exhaust outlet, cross valve exhaust port and cross valve indoor heat exchanger interface successively and enters indoor heat exchanger, high pressure gaseous non-azeotropic working medium is condensed into the liquid non-azeotropic working medium of HTHP in indoor heat exchanger, and flows into the 4th one-way valve inlet after indoor heating; At the 4th one-way valved outlet, non-azeotropic working medium is divided into three tunnels: first via non-azeotropic working medium becomes middle pressure two-phase non-azeotropic working medium after choke valve throttling, enters Component seperation tank through Component seperation tank centre entrance; Now, liquid phase is rich in low pressure component and gas phase is rich in high pressure component, and liquid phase component is stored at the bottom of tank, and gaseous component flows out through Component seperation tank gas vent; After gas supply control valve, directly enter compressor gas supplementing opening after liquid non-azeotropic working medium in second tunnel mixes with the gaseous state non-azeotropic working medium from Component seperation tank gas vent after the direct reducing pressure by regulating flow of delivery temperature control valve becomes two-phase non-azeotropic working medium to participate in circulating; 3rd road non-azeotropic working medium flows into heat(ing) coil through heat(ing) coil entrance, in heat(ing) coil, the cold that first via non-azeotropic working medium carries is taken away by the 3rd road non-azeotropic working medium and the heat exchange of first via non-azeotropic working medium, the heating capacity of raising system and efficiency level, improve its Component seperation purity by carrying out heating to the liquid non-azeotropic working medium in Component seperation tank simultaneously; Meanwhile, the part gaseous state non-azeotropic working medium on Component seperation tank top is cooled to liquid by the cryogenic compressor air-breathing from triple valve the 3rd interface after rectifying gas vent flows out in rectifying cooler, with after to return in Component seperation tank through rectifying liquid return port and spray, improve Component seperation efficiency; From heat(ing) coil outlet flow out the cold non-azeotropic working medium of mistake enter liquid storage regenerator, with after the low temperature suction heat exchange in reheat coils by excessively cold further, flowed out by bottom; The cold non-azeotropic working medium of mistake flowed out is after the throttling of system expansion valve, become low-temp low-pressure two-phase non-azeotropic working medium, enter in outdoor heat exchanger through the second check valve and evaporate pipette, gasification is for after low-temp low-pressure gaseous state non-azeotropic working medium, successively through cross valve outdoor heat exchanger interface, cross valve air-breathing interface, triple valve first interface and triple valve the 3rd interface, cool rectifying gas in rectifying cooler after, enter backheat in reheat coils through reheat coils entrance, enter compressor air suction mouth through reheat coils outlet after the degree of superheat increases further and enter next circulation; Meanwhile, the high-low pressure concentration of component non-azeotropic working medium of Component seperation pot bottom flows into system through systemic concentration control valve, realizes the control to systemic circulation non-azeotropic working medium concentration.
The present invention compared with prior art, has the following advantages and high-lighting effect: 1. use accurate two-stage compression to improve the low-temperature heating performance of heat pump.2. use non-azeotropic working medium to improve the Temperature Matching of evaporimeter and condenser, improve the evaporating temperature of heat pump, reduce condensation temperature, thus improve the seasonal energy efficiency level of heat pump.3. the concentration of component achieving system cloud gray model non-azeotropic working medium controls, worst cold case is by improving the high pressure concentration of component of circulation non-azeotropic working medium, the heating capacity of raising system, gentle operating mode heats/refrigerating capacity by reducing system high pressure concentration of component reduction system, realizes capacity regulating.4. adopt rectifying column technology, significantly improve Component seperation efficiency, expand the adjustable range of systemic concentration.5. adopt liquid non-azeotropic working medium to spray and effectively control compressor exhaust temperature, ensure its Low-Temperature Reliability.
Accompanying drawing explanation
Fig. 1 is the structural principle schematic diagram of the rectifying tower Variable Composition non-azeotropic working medium heat pump that the present invention announces.
Fig. 2 is the normal refrigeration mode of the rectifying tower Variable Composition non-azeotropic working medium heat pump that the present invention announces.
Fig. 3 is that under the rectifying tower Variable Composition non-azeotropic working medium heat pump conventional refrigerant operating mode announced of the present invention, high pressure concentration of component promotes operational mode.
Fig. 4 is that under the rectifying tower Variable Composition non-azeotropic working medium heat pump conventional refrigerant operating mode announced of the present invention, low pressure concentration of component promotes operational mode.
Fig. 5 is the conventional heating mode of the rectifying tower Variable Composition non-azeotropic working medium heat pump that the present invention announces.
Fig. 6 is that under the conventional heating condition of rectifying tower Variable Composition non-azeotropic working medium heat pump that the present invention announces, high pressure concentration of component promotes operational mode.
Fig. 7 is that under the conventional heating condition of rectifying tower Variable Composition non-azeotropic working medium heat pump that the present invention announces, low pressure concentration of component promotes operational mode.
Fig. 8 is the rectifying tower Variable Composition non-azeotropic working medium heat pump low-temperature heating pattern that the present invention announces.
In figure, each component names is: 1-compressor; 2-cross valve; 3-outdoor heat exchanger; 4-flows to switching device shifter; 41-first check valve; 42-second check valve; 43-the 3rd check valve; 44-the 4th check valve; 5-liquid storage regenerator; 6-system expansion valve; 7-indoor heat exchanger; 8-component regulation device; 81-choke valve; 82-delivery temperature control valve; 83-gas supply control valve; 84-Component seperation tank; 85-systemic concentration control valve; 86-heat(ing) coil; 87-rectifying cooler; 9-reheat coils; 10-triple valve.
In figure, each interface name is: 1a-compressor air suction mouth; 1b-exhaust outlet of compressor; 1c-compressor gas supplementing opening; 2a-cross valve exhaust port; 2b-cross valve outdoor heat exchanger interface; 2c-cross valve indoor heat exchanger interface; 2d-cross valve air-breathing interface; 5a-liquid storage regenerator entrance; 5b-liquid storage regenerator liquid outlet; 5c-reheat coils entrance; 5d-reheat coils exports; 84a-Component seperation tank entrance; 84b-Component seperation tank gas vent; 84c-heat(ing) coil entrance; 84d-heat(ing) coil exports; 84e-Component seperation tank liquid outlet; 84f-Component seperation tank rectifying gas vent; 84g-Component seperation tank rectifying liquid return port; 10a-triple valve first interface; 10b-triple valve second interface; 10c-triple valve the 3rd interface.
Detailed description of the invention
Below in conjunction with accompanying drawing, principle assumption diagram of the present invention and the method for operation are described further.
Fig. 1 is the adjustable rectifying tower Variable Composition non-azeotropic working medium heat pump schematic diagram of concentration that the present invention announces.This system comprises compressor 1, cross valve 2, outdoor heat exchanger 3, flows to switching device shifter 4, liquid storage regenerator 5, system expansion valve 6 and indoor heat exchanger 7, the described switching device shifter 4 that flows to comprises the first check valve 41, second check valve 42, the 3rd check valve 43 and the 4th check valve 44, arranges reheat coils 9 in described liquid storage regenerator 5; Exhaust outlet of compressor 1b is connected with cross valve exhaust port 2a; Cross valve outdoor heat exchanger interface 2b is connected with the entrance of the first check valve 41 and the outlet of the second check valve 42 through outdoor heat exchanger 3; The outlet of the first check valve 41 is connected with the outlet of the 4th check valve 44; The entrance of the second check valve 42 is connected with the entrance of the 3rd check valve 43; Cross valve indoor heat exchanger interface 2c is connected with the outlet of the 3rd check valve 43 and the entrance of the 4th check valve 44 through indoor heat exchanger 7 successively; Liquid storage regenerator liquid outlet 5b is connected with the 3rd check valve 43 entrance through system expansion valve 6; Reheat coils outlet 5d is connected with compressor air suction mouth 1a; This heat pump is also provided with component regulation device 8, described component regulation device 8 comprises: choke valve 81, delivery temperature control valve 82, gas supply control valve 83, Component seperation tank 84, systemic concentration control valve 85 and rectifying cooler 87, arranges heat(ing) coil 86 in described Component seperation tank 84; Component seperation tank entrance 84a to export with the first check valve 41 through choke valve 81 and is connected; Component seperation tank gas vent 84b is connected with compressor gas supplementing opening 1c through gas supply control valve 83; First check valve 41 exports and is connected with liquid storage regenerator entrance 5a with heat(ing) coil outlet 84d through Component seperation tank heat(ing) coil entrance 84c, heat(ing) coil 86 successively; Component seperation tank liquid outlet 84e is connected with the 3rd check valve 43 entrance through systemic concentration control valve 85; Component seperation tank rectifying gas vent 84f is connected with Component seperation tank rectifying liquid return port 84g through rectifying cooler 87; Arrange delivery temperature controlling brancher, one end of this branch road exports with the first check valve 41 and is connected, and the other end is connected with the entrance of gas supply control valve 83, and described delivery temperature control valve 82 is arranged on this branch road; Triple valve 10 is set, triple valve first interface 10a is connected with cross valve air-breathing interface 2d, triple valve second interface 10b is connected with reheat coils entrance 5c, and triple valve the 3rd exports 10c and is connected through the pipeline between rectifying cooler 87 with triple valve second interface 10b to reheat coils entrance 5c.
Described compressor is two-stage compressor or accurate split-compressor structure.
Arrange filler in described Component seperation tank 84, to increase non-azeotropic working medium gas and liquid heat mass transter area, material can be metal, plastics or paper.
Operational mode of the present invention and the course of work as follows:
Refrigeration mode
When user has refrigeration demand, this system cloud gray model is in refrigeration mode.As shown in Figure 2.Cross valve 2 power-off, choke valve 81, delivery temperature control valve 82, gas supply control valve 83 and systemic concentration control valve 85 are closed, and triple valve first interface 10a and triple valve second interface 10b connects.Now, compressor air-discharging flows through exhaust outlet 1b successively, cross valve exhaust port 2a and cross valve outdoor heat exchanger interface 2b enters outdoor heat exchanger 3, after high pressure gaseous non-azeotropic working medium is condensed into the liquid non-azeotropic working medium of HTHP in outdoor heat exchanger 3, successively through the first check valve 41, liquid storage regenerator 5 is entered after heat(ing) coil 86, with after the low temperature suction heat exchange in reheat coils 9 by excessively cold, flowed out by bottom, the cold non-azeotropic working medium of mistake flowed out is after system expansion valve 6 throttling, become low-temp low-pressure two-phase non-azeotropic working medium, evaporation is entered in indoor heat exchanger 7 and heat in suction chamber through the 3rd check valve 43, gasification is successively through cross valve indoor heat exchanger interface 2c after low-temp low-pressure gaseous state non-azeotropic working medium, cross valve air-breathing interface 2d, triple valve first interface 10a, triple valve second interface 10b and reheat coils entrance 5c enters backheat in reheat coils 9, enter compressor air suction mouth 1a through reheat coils outlet 5d after the degree of superheat increases further and enter next circulation.
Process of refrigerastion, as improved the Temperature Matching of refrigerating capacity or adjustment evaporimeter and condenser, realizes by the high pressure concentration of component improving system cloud gray model mixed working fluid.In system, the non-azeotropic working medium of Component seperation tank 84 bottom storage contains higher concentration low pressure component, and therefore its reserves are larger, and system cloud gray model non-azeotropic working medium high pressure concentration of component is higher.Therefore, non-azeotropic working medium is system high pressure concentration of component lifting process from liquid storage regenerator 5 to the transition process of Component seperation tank 84.Now system mode as shown in Figure 3.The concrete method of operation is: cross valve 2 power-off, and choke valve 81 and gas supply control valve 83 are opened, and delivery temperature control valve 82 and systemic concentration control valve 85 are closed, and triple valve first interface 10a and triple valve the 3rd interface 10c connects, now, compressor air-discharging flows through exhaust outlet 1b, cross valve exhaust port 2a successively and cross valve outdoor heat exchanger interface 2b enters outdoor heat exchanger 3, and high pressure gaseous non-azeotropic working medium flows into the first check valve 41 entrance be condensed into the liquid non-azeotropic working medium of HTHP in outdoor heat exchanger 3 after, export at the first check valve 41, non-azeotropic working medium is divided into two-way: first via non-azeotropic working medium becomes middle pressure two-phase non-azeotropic working medium after choke valve 81 throttling, enters Component seperation tank 84 through Component seperation tank centre entrance 84a, now, liquid phase is rich in low pressure component and gas phase is rich in high pressure component, and liquid phase component is stored at the bottom of tank, and gaseous component enters compressor gas supplementing opening 1c through Component seperation tank gas vent 84b and gas supply control valve 83 and participates in circulation, second road non-azeotropic working medium flows into heat(ing) coil 86 through heat(ing) coil entrance 84c, in heat(ing) coil 86, the cold that first via non-azeotropic working medium carries is taken away by the second road non-azeotropic working medium and the heat exchange of first via non-azeotropic working medium, the refrigerating capacity of raising system and efficiency level, improve its Component seperation purity by carrying out heating to the liquid non-azeotropic working medium in Component seperation tank 84 simultaneously, meanwhile, the part gaseous state non-azeotropic working medium on Component seperation tank top is cooled to liquid by the cryogenic compressor air-breathing from triple valve the 3rd interface 10c after rectifying gas vent 84f flows out in rectifying cooler 87, with after to return in Component seperation tank 84 through rectifying liquid return port 84g and spray, improve Component seperation efficiency, from heat(ing) coil outlet 84d flow out the cold non-azeotropic working medium of mistake enter liquid storage regenerator 5, with after the low temperature suction heat exchange in reheat coils 9 by excessively cold further, flowed out by bottom, the cold non-azeotropic working medium of mistake flowed out is after system expansion valve 6 throttling, become low-temp low-pressure two-phase non-azeotropic working medium, evaporation is entered in indoor heat exchanger 7 and heat in suction chamber through the 3rd check valve 43, gasification is for after low-temp low-pressure gaseous state non-azeotropic working medium, successively through cross valve indoor heat exchanger interface 2c, cross valve air-breathing interface 2d, triple valve first interface 10a and triple valve the 3rd interface 10c, cool rectifying gas in rectifying cooler 87 after, backheat in reheat coils 9 is entered through reheat coils entrance 5c, enter compressor air suction mouth 1a through reheat coils outlet 5d after the degree of superheat increases further and enter next circulation.
Process of refrigerastion, as reduced the Temperature Matching of refrigerating capacity or adjustment evaporimeter and condenser, realizes by the low pressure concentration of component improving system cloud gray model mixed working fluid.Now only need by store in Component seperation tank 84 the liquid non-azeotropic working medium of high-low pressure concentration of component put into system.Now system mode as shown in Figure 4.The concrete method of operation is: cross valve 2 power-off, and systemic concentration control valve 85 is opened, and choke valve 81, delivery temperature control valve 82 and gas supply control valve 83 are closed, and triple valve first interface 10a and triple valve second interface 10b connects; Now, compressor air-discharging flows through exhaust outlet 1b, cross valve exhaust port 2a successively and cross valve outdoor heat exchanger interface 2b enters outdoor heat exchanger 3, after high pressure gaseous non-azeotropic working medium is condensed into the liquid non-azeotropic working medium of HTHP in outdoor heat exchanger 3, liquid storage regenerator 5 is entered successively through the first check valve 41, heat(ing) coil 86, with after the low temperature suction heat exchange in reheat coils 9 by excessively cold, flowed out by bottom; The cold non-azeotropic working medium of mistake flowed out is after system expansion valve 6 throttling, become low-temp low-pressure two-phase non-azeotropic working medium, evaporation is entered in indoor heat exchanger 7 and heat in suction chamber through the 3rd check valve 43, gasification, for entering backheat in reheat coils 9 through cross valve indoor heat exchanger interface 2c, cross valve air-breathing interface 2d, triple valve first interface 10a, triple valve second interface 10b and liquid storage regenerator reheat coils entrance 5c successively after low-temp low-pressure gaseous state non-azeotropic working medium, enters compressor air suction mouth 1a through reheat coils outlet 5d after the degree of superheat increases further and enters next circulation; Meanwhile, Component seperation tank 84, under the heating of heat(ing) coil 86, keeps intermediate pressure; Under pressure reduction promotes, high-low pressure concentration of component non-azeotropic working medium flows into system through systemic concentration control valve 85 and participates in circulation.
Heating mode
When user has heating needs and environment temperature is higher, this system cloud gray model is in conventional heating mode.Now system mode as shown in Figure 5.Cross valve 2 is charged, and choke valve 81, delivery temperature control valve 82, gas supply control valve 83 and systemic concentration control valve 85 are closed, and triple valve first interface 10a and triple valve second interface 10b connects.Now, compressor air-discharging flows through exhaust outlet 1b, cross valve exhaust port 2a successively and cross valve indoor heat exchanger interface 2c enters indoor heat exchanger 7, high pressure gaseous non-azeotropic working medium is condensed in the liquid non-azeotropic working medium process of HTHP simultaneously to indoor heating in indoor heat exchanger 7, liquid storage regenerator 5 is entered successively afterwards after the 4th check valve 44, heat(ing) coil 86, with after the low temperature suction heat exchange in reheat coils 9 by excessively cold, flowed out by bottom.The cold non-azeotropic working medium of mistake flowed out is after system expansion valve 6 throttling, become low-temp low-pressure two-phase non-azeotropic working medium, evaporation endothermic in outdoor heat exchanger 3 is entered through the second check valve 42, gasification, for entering backheat in reheat coils 9 through cross valve outdoor heat exchanger interface 2b, cross valve air-breathing interface 2d, triple valve first interface 10a, triple valve second interface 10b and reheat coils entrance 5c successively after low-temp low-pressure gaseous state non-azeotropic working medium, enters compressor air suction mouth 1a through reheat coils outlet 5d after the degree of superheat increases further and enters next circulation.
Heating operations, as improved the Temperature Matching of refrigerating capacity or adjustment evaporimeter and condenser, realizes by the high pressure concentration of component improving system cloud gray model mixed working fluid.In system, the non-azeotropic working medium of Component seperation tank 84 bottom storage contains higher concentration low pressure component, and therefore its reserves are larger, and system cloud gray model non-azeotropic working medium high pressure concentration of component is higher.Therefore, non-azeotropic working medium is system high pressure concentration of component lifting process from liquid storage regenerator 5 to the transition process of Component seperation tank 84.Now system mode as shown in Figure 6.The concrete method of operation is: cross valve 2 is energized, and choke valve 81 and gas supply control valve 83 are opened, and delivery temperature control valve 82 and systemic concentration control valve 85 are closed, and triple valve first interface 10a and triple valve the 3rd interface 10c connects, now, compressor air-discharging flows through exhaust outlet 1b, cross valve exhaust port 2a successively and cross valve indoor heat exchanger interface 2c enters indoor heat exchanger 7, high pressure gaseous non-azeotropic working medium is condensed into the liquid non-azeotropic working medium of HTHP in indoor heat exchanger 7, and flows into the 4th check valve 44 entrance after indoor heating, export at the 4th check valve 44, non-azeotropic working medium is divided into two-way: first via non-azeotropic working medium, after choke valve 81 throttling, becomes middle pressure two-phase non-azeotropic working medium, enters Component seperation tank 84 through Component seperation tank centre entrance 84a, now, liquid phase is rich in low pressure component and gas phase is rich in high pressure component, and liquid phase component is stored at the bottom of tank, and gaseous component enters compressor gas supplementing opening 1c through Component seperation tank gas vent 84b and gas supply control valve 83 and participates in circulation, second road non-azeotropic working medium flows into heat(ing) coil 86 through heat(ing) coil entrance 84c, in heat(ing) coil 86, the cold that first via non-azeotropic working medium carries is taken away by the second road non-azeotropic working medium and the heat exchange of first via non-azeotropic working medium, the heating capacity of raising system and efficiency level, improve its Component seperation purity by carrying out heating to the liquid non-azeotropic working medium in Component seperation tank 84 simultaneously, meanwhile, the part gaseous state non-azeotropic working medium of Component seperation tank is cooled to liquid by the cryogenic compressor air-breathing from triple valve the 3rd interface 10c after rectifying gas vent 84f flows out in rectifying cooler 87, with after to return in Component seperation tank 84 through rectifying liquid return port 84g and spray, improve Component seperation efficiency, from heat(ing) coil outlet 84d flow out the cold non-azeotropic working medium of mistake enter liquid storage regenerator 5, with after the low temperature suction heat exchange in reheat coils 9 by excessively cold further, flowed out by bottom, the cold non-azeotropic working medium of mistake flowed out is after system expansion valve 6 throttling, become low-temp low-pressure two-phase non-azeotropic working medium, enter in outdoor heat exchanger 3 through the second check valve 42 and evaporate pipette, gasification is for after low-temp low-pressure gaseous state non-azeotropic working medium, successively through cross valve outdoor heat exchanger interface 2b, cross valve air-breathing interface 2d, triple valve first interface 10a and triple valve the 3rd interface 10c, cool rectifying gas in rectifying cooler 87 after, backheat in reheat coils 9 is entered through reheat coils entrance 5c, enter compressor air suction mouth 1a through reheat coils outlet 5d after the degree of superheat increases further and enter next circulation.
Heating operations, as reduced the Temperature Matching of heating capacity or adjustment evaporimeter and condenser, realizes by the low pressure concentration of component improving system cloud gray model mixed working fluid.Now only need by store in Component seperation tank 84 the liquid non-azeotropic working medium of high-low pressure concentration of component put into system.Now system mode as shown in Figure 6.The concrete method of operation is: cross valve 2 is energized, and systemic concentration control valve 85 is opened, and choke valve 81, delivery temperature control valve 82 and gas supply control valve 83 are closed, and triple valve first interface 10a and the second interface 10b connects; Now, compressor air-discharging flows through exhaust outlet 1b, cross valve exhaust port 2a successively and cross valve indoor heat exchanger interface 2c enters indoor heat exchanger 7, high pressure gaseous non-azeotropic working medium is condensed in the liquid non-azeotropic working medium process of HTHP simultaneously to indoor heating in indoor heat exchanger 7, liquid storage regenerator 5 is entered successively afterwards after the 4th check valve 44, heat(ing) coil 86, with after the low temperature suction heat exchange in reheat coils 9 by excessively cold, flowed out by bottom; The cold non-azeotropic working medium of mistake flowed out is after system expansion valve 6 throttling, become low-temp low-pressure two-phase non-azeotropic working medium, evaporation endothermic in outdoor heat exchanger 3 is entered through the second check valve 42, gasification, for entering backheat in reheat coils 9 through cross valve outdoor heat exchanger interface 2b, cross valve air-breathing interface 2d, triple valve first interface 10a, triple valve second interface 10b and reheat coils entrance 5c successively after low-temp low-pressure gaseous state non-azeotropic working medium, enters compressor air suction mouth 1a through reheat coils outlet 5d after the degree of superheat increases further and enters next circulation; Meanwhile, Component seperation tank 84, under the heating of heat(ing) coil 86, keeps intermediate pressure; Under pressure reduction promotes, high-low pressure concentration of component non-azeotropic working medium flows into system through systemic concentration control valve 85 and participates in circulation.
Low-temperature heating pattern
When user has heating needs and environment temperature is lower, this system cloud gray model is in low-temperature heating pattern.Now system mode as shown in Figure 8.Under comparatively low ambient temperature, system significantly need promote heating capacity and efficiency level, now not only needs to open accurate two-stage compression circulation (tonifying Qi), and needs controlled circulation non-azeotropic working medium concentration to be in optimum level.In addition, also need the delivery temperature controlling compressor to ensure the safe operation of system.
The concrete method of operation is: cross valve 2 is energized, and choke valve 81, delivery temperature control valve 82, gas supply control valve 83 and systemic concentration control valve 85 are opened, triple valve first interface 10a and triple valve the 3rd interface 10c connects, now, compressor air-discharging flows through exhaust outlet 1b, cross valve exhaust port 2a successively and cross valve indoor heat exchanger interface 2c enters indoor heat exchanger 7, high pressure gaseous non-azeotropic working medium is condensed into the liquid non-azeotropic working medium of HTHP in indoor heat exchanger 7, and flows into the 4th check valve 44 entrance after indoor heating, export at the 4th check valve 44, non-azeotropic working medium is divided into three tunnels: first via non-azeotropic working medium becomes middle pressure two-phase non-azeotropic working medium after choke valve 81 throttling, enters Component seperation tank 84 through Component seperation tank centre entrance 84a, now, liquid phase is rich in low pressure component and gas phase is rich in high pressure component, and liquid phase component is stored at the bottom of tank, and gaseous component flows out through Component seperation tank gas vent 84b, liquid non-azeotropic working medium in second tunnel directly enters compressor gas supplementing opening 1c after mixing with the gaseous state non-azeotropic working medium from Component seperation tank gas vent 84b after the direct reducing pressure by regulating flow of delivery temperature control valve 82 becomes two-phase non-azeotropic working medium and participates in circulating after gas supply control valve 83, 3rd road non-azeotropic working medium flows into heat(ing) coil 86 through heat(ing) coil entrance 84c, in heat(ing) coil 86, the cold that first via non-azeotropic working medium carries is taken away by the 3rd road non-azeotropic working medium and the heat exchange of first via non-azeotropic working medium, the heating capacity of raising system and efficiency level, improve its Component seperation purity by carrying out heating to the liquid non-azeotropic working medium in Component seperation tank 84 simultaneously, meanwhile, the part gaseous state non-azeotropic working medium on Component seperation tank top is cooled to liquid by the cryogenic compressor air-breathing from triple valve the 3rd interface 10c after rectifying gas vent 84f flows out in rectifying cooler 87, with after to return in Component seperation tank 84 through rectifying liquid return port 84g and spray, improve Component seperation efficiency, from heat(ing) coil outlet 84d flow out the cold non-azeotropic working medium of mistake enter liquid storage regenerator 5, with after the low temperature suction heat exchange in reheat coils 9 by excessively cold further, flowed out by bottom, the cold non-azeotropic working medium of mistake flowed out is after system expansion valve 6 throttling, become low-temp low-pressure two-phase non-azeotropic working medium, enter in outdoor heat exchanger 3 through the second check valve 4 and evaporate pipette, gasification is for after low-temp low-pressure gaseous state non-azeotropic working medium, successively through cross valve outdoor heat exchanger interface 2b, cross valve air-breathing interface 2d, triple valve first interface 10a and triple valve the 3rd interface 10c, cool rectifying gas in rectifying cooler 87 after, backheat in reheat coils 9 is entered through reheat coils entrance 5c, enter compressor air suction mouth 1a through reheat coils outlet 5d after the degree of superheat increases further and enter next circulation, meanwhile, the high-low pressure concentration of component non-azeotropic working medium bottom Component seperation tank 84 flows into system through systemic concentration control valve 85, realizes the control to systemic circulation non-azeotropic working medium concentration.
Claims (4)
1. a rectifying tower Variable Composition non-azeotropic working medium heat pump, comprise compressor (1), cross valve (2), outdoor heat exchanger (3), flow to switching device shifter (4), liquid storage regenerator (5), system expansion valve (6) and indoor heat exchanger (7), the described switching device shifter (4) that flows to comprises the first check valve (41), the second check valve (42), the 3rd check valve (43) and the 4th check valve (44), arranges reheat coils (9) in described liquid storage regenerator (5); Exhaust outlet of compressor (1b) is connected with cross valve exhaust port (2a); Cross valve outdoor heat exchanger interface (2b) is connected with the entrance of the first check valve (41) and the outlet of the second check valve (42) through outdoor heat exchanger (3); The outlet of the first check valve (41) is connected with the outlet of the 4th check valve (44); The entrance of the second check valve (42) is connected with the entrance of the 3rd check valve (43); Cross valve indoor heat exchanger interface (2c) is connected with the outlet of the 3rd check valve (43) and the entrance of the 4th check valve (44) through indoor heat exchanger (7) successively; Liquid storage regenerator liquid outlet (5b) is connected with the 3rd check valve (43) entrance through system expansion valve (6); Reheat coils outlet (5d) is connected with compressor air suction mouth (1a); It is characterized in that: component regulation device (8) is set, described component regulation device (8) comprising: choke valve (81), delivery temperature control valve (82), gas supply control valve (83), Component seperation tank (84), systemic concentration control valve (85) and rectifying cooler (87), arranges heat(ing) coil (86) in described Component seperation tank (84); Component seperation tank entrance (84a) to export with the first check valve (41) through choke valve (81) and is connected; Component seperation tank gas vent (84b) is connected with compressor gas supplementing opening (1c) through gas supply control valve (83); First check valve (41) outlet is connected with liquid storage regenerator entrance (5a) with heat(ing) coil outlet (84d) through Component seperation tank heat(ing) coil entrance (84c), heat(ing) coil (86) successively; Component seperation tank liquid outlet (84e) is connected with the 3rd check valve (43) entrance through systemic concentration control valve (85); Component seperation tank rectifying gas vent (84f) is connected with Component seperation tank rectifying liquid return port (84g) through rectifying cooler (87); Arrange delivery temperature controlling brancher, one end of this branch road exports with the first check valve (41) and is connected, and the other end is connected with the entrance of gas supply control valve (83), and described delivery temperature control valve (82) is arranged on this branch road; Triple valve (10) is set, triple valve first interface (10a) is connected with cross valve air-breathing interface (2d), triple valve second interface (10b) is connected with reheat coils entrance (5c), and triple valve the 3rd exports (10c) and is connected through the pipeline between rectifying cooler (87) with triple valve second interface (10b) to reheat coils entrance (5c).
2. rectifying tower Variable Composition non-azeotropic working medium heat pump according to claim 1, is characterized in that: compressor is two-stage compressor or accurate split-compressor structure.
3. rectifying tower Variable Composition non-azeotropic working medium heat pump according to claim 1, is characterized in that: arrange filler in Component seperation tank 84.
4. adopt an operation method for rectifying tower Variable Composition non-azeotropic working medium heat pump as claimed in claim 1, it is characterized in that: this operation method comprises following several operational mode:
A. high pressure concentration of component is improved under cooling condition: cross valve (2) power-off, choke valve (81) and gas supply control valve (83) are opened, delivery temperature control valve (82) and systemic concentration control valve (85) are closed, and triple valve first interface (10a) and triple valve the 3rd interface (10c) are connected, now, compressor air-discharging flows through exhaust outlet (1b), cross valve exhaust port (2a) and cross valve outdoor heat exchanger interface (2b) successively and enters outdoor heat exchanger (3), and high pressure gaseous non-azeotropic working medium flows into the first check valve (41) entrance be condensed into the liquid non-azeotropic working medium of HTHP in outdoor heat exchanger (3) after, export at the first check valve (41), non-azeotropic working medium is divided into two-way: first via non-azeotropic working medium becomes middle pressure two-phase non-azeotropic working medium after choke valve (81) throttling, enters Component seperation tank (84) through Component seperation tank centre entrance (84a), now, liquid phase is rich in low pressure component and gas phase is rich in high pressure component, liquid phase component is stored at the bottom of tank, and gaseous component enters compressor gas supplementing opening (1c) through Component seperation tank gas vent (84b) and gas supply control valve (83) and participates in circulation, second road non-azeotropic working medium flows into heat(ing) coil (86) through heat(ing) coil entrance (84c), in heat(ing) coil (86), the cold that first via non-azeotropic working medium carries is taken away by the second road non-azeotropic working medium and the heat exchange of first via non-azeotropic working medium, the refrigerating capacity of raising system and efficiency level, improve its Component seperation purity by carrying out heating to the liquid non-azeotropic working medium in Component seperation tank (84) simultaneously, meanwhile, the part gaseous state non-azeotropic working medium on Component seperation tank top is cooled to liquid by the cryogenic compressor air-breathing from triple valve the 3rd interface (10c) after rectifying gas vent (84f) flows out in rectifying cooler (87), with after to return in Component seperation tank (84) through rectifying liquid return port (84g) and spray, improve Component seperation efficiency, enter liquid storage regenerator (5) from heat(ing) coil outlet (84d) the cold non-azeotropic working medium of mistake that flows out, with after the low temperature suction heat exchange in reheat coils (9) by excessively cold further, flowed out by bottom, the cold non-azeotropic working medium of mistake flowed out is after system expansion valve (6) throttling, become low-temp low-pressure two-phase non-azeotropic working medium, evaporation in indoor heat exchanger (7) is entered and heat in suction chamber through the 3rd check valve (43), gasification is for after low-temp low-pressure gaseous state non-azeotropic working medium, successively through cross valve indoor heat exchanger interface (2c), cross valve air-breathing interface (2d), triple valve first interface (10a) and triple valve the 3rd interface (10c), in rectifying cooler (87) after cooling rectifying gas, backheat in reheat coils entrance (5c) enters reheat coils (9), enter compressor air suction mouth (1a) through reheat coils outlet (5d) after the degree of superheat increases further and enter next circulation,
B. low pressure concentration of component is improved under cooling condition: cross valve (2) power-off, systemic concentration control valve (85) is opened, choke valve (81), delivery temperature control valve (82) and gas supply control valve (83) are closed, and triple valve first interface (10a) and triple valve second interface (10b) are connected, now, compressor air-discharging flows through exhaust outlet (1b), cross valve exhaust port (2a) and cross valve outdoor heat exchanger interface (2b) successively and enters outdoor heat exchanger (3), after high pressure gaseous non-azeotropic working medium is condensed into the liquid non-azeotropic working medium of HTHP in outdoor heat exchanger (3), liquid storage regenerator (5) is entered successively through the first check valve (41), heat(ing) coil (86), with after the low temperature suction heat exchange in reheat coils (9) by excessively cold, flowed out by bottom, the cold non-azeotropic working medium of mistake flowed out is after system expansion valve (6) throttling, become low-temp low-pressure two-phase non-azeotropic working medium, evaporation in indoor heat exchanger (7) is entered and heat in suction chamber through the 3rd check valve (43), gasification is successively through cross valve indoor heat exchanger interface (2c) after low-temp low-pressure gaseous state non-azeotropic working medium, cross valve air-breathing interface (2d), triple valve first interface (10a), triple valve second interface (10b) and liquid storage regenerator reheat coils entrance (5c) enter backheat in reheat coils (9), enter compressor air suction mouth (1a) through reheat coils outlet (5d) after the degree of superheat increases further and enter next circulation, meanwhile, Component seperation tank (84), under the heating of heat(ing) coil (86), keeps intermediate pressure, under pressure reduction promotes, high-low pressure concentration of component non-azeotropic working medium flows into system through systemic concentration control valve (85) and participates in circulation,
C. high pressure concentration of component is improved under heating condition: cross valve (2) is energized, choke valve (81) and gas supply control valve (83) are opened, delivery temperature control valve (82) and systemic concentration control valve (85) are closed, and triple valve first interface (10a) and triple valve the 3rd interface (10c) are connected, now, compressor air-discharging flows through exhaust outlet (1b), cross valve exhaust port (2a) and cross valve indoor heat exchanger interface (2c) successively and enters indoor heat exchanger (7), high pressure gaseous non-azeotropic working medium is condensed into the liquid non-azeotropic working medium of HTHP in indoor heat exchanger (7), and flows into the 4th check valve (44) entrance after indoor heating, in the 4th check valve (44) outlet, non-azeotropic working medium is divided into two-way: first via non-azeotropic working medium is after choke valve (81) throttling, become middle pressure two-phase non-azeotropic working medium, enter Component seperation tank (84) through Component seperation tank centre entrance (84a), now, liquid phase is rich in low pressure component and gas phase is rich in high pressure component, liquid phase component is stored at the bottom of tank, and gaseous component enters compressor gas supplementing opening (1c) through Component seperation tank gas vent (84b) and gas supply control valve (83) and participates in circulation, second road non-azeotropic working medium flows into heat(ing) coil (86) through heat(ing) coil entrance (84c), in heat(ing) coil (86), the cold that first via non-azeotropic working medium carries is taken away by the second road non-azeotropic working medium and the heat exchange of first via non-azeotropic working medium, the heating capacity of raising system and efficiency level, improve its Component seperation purity by carrying out heating to the liquid non-azeotropic working medium in Component seperation tank (84) simultaneously, meanwhile, the part gaseous state non-azeotropic working medium of Component seperation tank is cooled to liquid by the cryogenic compressor air-breathing from triple valve the 3rd interface (10c) after rectifying gas vent (84f) flows out in rectifying cooler (87), with after to return in Component seperation tank (84) through rectifying liquid return port (84g) and spray, improve Component seperation efficiency, enter liquid storage regenerator (5) from heat(ing) coil outlet (84d) the cold non-azeotropic working medium of mistake that flows out, with after the low temperature suction heat exchange in reheat coils (9) by excessively cold further, flowed out by bottom, the cold non-azeotropic working medium of mistake flowed out is after system expansion valve (6) throttling, become low-temp low-pressure two-phase non-azeotropic working medium, evaporation pipette in the second check valve (42) enters outdoor heat exchanger (3), gasification is for after low-temp low-pressure gaseous state non-azeotropic working medium, successively through cross valve outdoor heat exchanger interface (2b), cross valve air-breathing interface (2d), triple valve first interface (10a) and triple valve the 3rd interface (10c), in rectifying cooler (87) after cooling rectifying gas, backheat in reheat coils entrance (5c) enters reheat coils (9), enter compressor air suction mouth (1a) through reheat coils outlet (5d) after the degree of superheat increases further and enter next circulation,
D. low pressure concentration of component is improved under heating condition: cross valve (2) is energized, systemic concentration control valve (85) is opened, choke valve (81), delivery temperature control valve (82) and gas supply control valve (83) are closed, and triple valve first interface (10a) and the second interface (10b) are connected, now, compressor air-discharging flows through exhaust outlet (1b), cross valve exhaust port (2a) and cross valve indoor heat exchanger interface (2c) successively and enters indoor heat exchanger (7), high pressure gaseous non-azeotropic working medium is condensed in the liquid non-azeotropic working medium process of HTHP simultaneously to indoor heating in indoor heat exchanger (7), liquid storage regenerator (5) is entered successively afterwards after the 4th check valve (44), heat(ing) coil (86), with after the low temperature suction heat exchange in reheat coils (9) by excessively cold, flowed out by bottom, the cold non-azeotropic working medium of mistake flowed out is after system expansion valve (6) throttling, become low-temp low-pressure two-phase non-azeotropic working medium, evaporation endothermic in the second check valve (42) enters outdoor heat exchanger (3), gasification is successively through cross valve outdoor heat exchanger interface (2b) after low-temp low-pressure gaseous state non-azeotropic working medium, cross valve air-breathing interface (2d), triple valve first interface (10a), triple valve second interface (10b) and reheat coils entrance (5c) enter backheat in reheat coils (9), enter compressor air suction mouth (1a) through reheat coils outlet (5d) after the degree of superheat increases further and enter next circulation, meanwhile, Component seperation tank (84), under the heating of heat(ing) coil (86), keeps intermediate pressure, under pressure reduction promotes, high-low pressure concentration of component non-azeotropic working medium flows into system through systemic concentration control valve (85) and participates in circulation,
E. under low-temperature heating operating mode, concentration of component regulates: cross valve (2) is energized, and choke valve (81), delivery temperature control valve (82), gas supply control valve (83) and systemic concentration control valve (85) are opened, triple valve first interface (10a) and triple valve the 3rd interface (10c) are connected, now, compressor air-discharging flows through exhaust outlet (1b), cross valve exhaust port (2a) and cross valve indoor heat exchanger interface (2c) successively and enters indoor heat exchanger (7), high pressure gaseous non-azeotropic working medium is condensed into the liquid non-azeotropic working medium of HTHP in indoor heat exchanger (7), and flows into the 4th check valve (44) entrance after indoor heating, in the 4th check valve (44) outlet, non-azeotropic working medium is divided into three tunnels: first via non-azeotropic working medium becomes middle pressure two-phase non-azeotropic working medium after choke valve (81) throttling, enters Component seperation tank (84) through Component seperation tank centre entrance (84a), now, liquid phase is rich in low pressure component and gas phase is rich in high pressure component, and liquid phase component is stored at the bottom of tank, and gaseous component flows out through Component seperation tank gas vent (84b), liquid non-azeotropic working medium in second tunnel directly enters compressor gas supplementing opening (1c) after mixing with the gaseous state non-azeotropic working medium from Component seperation tank gas vent (84b) after the direct reducing pressure by regulating flow of delivery temperature control valve (82) becomes two-phase non-azeotropic working medium and participates in circulating after gas supply control valve (83), 3rd road non-azeotropic working medium flows into heat(ing) coil (86) through heat(ing) coil entrance (84c), in heat(ing) coil (86), the cold that first via non-azeotropic working medium carries is taken away by the 3rd road non-azeotropic working medium and the heat exchange of first via non-azeotropic working medium, the heating capacity of raising system and efficiency level, improve its Component seperation purity by carrying out heating to the liquid non-azeotropic working medium in Component seperation tank (84) simultaneously, meanwhile, the part gaseous state non-azeotropic working medium on Component seperation tank top is cooled to liquid by the cryogenic compressor air-breathing from triple valve the 3rd interface (10c) after rectifying gas vent (84f) flows out in rectifying cooler (87), with after to return in Component seperation tank (84) through rectifying liquid return port (84g) and spray, improve Component seperation efficiency, enter liquid storage regenerator (5) from heat(ing) coil outlet (84d) the cold non-azeotropic working medium of mistake that flows out, with after the low temperature suction heat exchange in reheat coils (9) by excessively cold further, flowed out by bottom, the cold non-azeotropic working medium of mistake flowed out is after system expansion valve (6) throttling, become low-temp low-pressure two-phase non-azeotropic working medium, evaporation pipette in the second check valve (4) enters outdoor heat exchanger (3), gasification is for after low-temp low-pressure gaseous state non-azeotropic working medium, successively through cross valve outdoor heat exchanger interface (2b), cross valve air-breathing interface (2d), triple valve first interface (10a) and triple valve the 3rd interface (10c), in rectifying cooler (87) after cooling rectifying gas, backheat in reheat coils entrance (5c) enters reheat coils (9), enter compressor air suction mouth (1a) through reheat coils outlet (5d) after the degree of superheat increases further and enter next circulation, meanwhile, the high-low pressure concentration of component non-azeotropic working medium of Component seperation tank (84) bottom flows into system through systemic concentration control valve (85), realizes the control to systemic circulation non-azeotropic working medium concentration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510259824.5A CN104879952B (en) | 2015-05-20 | 2015-05-20 | Rectifying tower type variable concentration non-azeotropic working medium hot pump system and running method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510259824.5A CN104879952B (en) | 2015-05-20 | 2015-05-20 | Rectifying tower type variable concentration non-azeotropic working medium hot pump system and running method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104879952A true CN104879952A (en) | 2015-09-02 |
| CN104879952B CN104879952B (en) | 2017-04-19 |
Family
ID=53947548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510259824.5A Active CN104879952B (en) | 2015-05-20 | 2015-05-20 | Rectifying tower type variable concentration non-azeotropic working medium hot pump system and running method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104879952B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611169A (en) * | 2018-10-29 | 2019-04-12 | 同济大学 | A kind of adjustable non-azeotropic working medium organic rankine cycle system of component dynamic |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010112693A (en) * | 2008-10-07 | 2010-05-20 | Panasonic Corp | Air conditioner |
| CN102032728A (en) * | 2010-12-09 | 2011-04-27 | 东南大学 | Device for automatically adjusting flux of refrigeration working medium |
| CN102147162A (en) * | 2011-03-16 | 2011-08-10 | 浙江大学 | Rectifying type variation-concentration self-overlaying gas liquefaction system |
| JP2012021770A (en) * | 2011-11-02 | 2012-02-02 | Mitsubishi Electric Corp | Refrigerating cycle device, and refrigerant recovery method in the same |
| CN103954062A (en) * | 2014-04-24 | 2014-07-30 | 华南理工大学 | Working condition concentration control system of mixed working medium throttling refrigerating machine and working condition concentration control method |
| CN204730520U (en) * | 2015-05-20 | 2015-10-28 | 清华大学 | A kind of rectifying tower Variable Composition non-azeotropic working medium heat pump |
-
2015
- 2015-05-20 CN CN201510259824.5A patent/CN104879952B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010112693A (en) * | 2008-10-07 | 2010-05-20 | Panasonic Corp | Air conditioner |
| CN102032728A (en) * | 2010-12-09 | 2011-04-27 | 东南大学 | Device for automatically adjusting flux of refrigeration working medium |
| CN102147162A (en) * | 2011-03-16 | 2011-08-10 | 浙江大学 | Rectifying type variation-concentration self-overlaying gas liquefaction system |
| JP2012021770A (en) * | 2011-11-02 | 2012-02-02 | Mitsubishi Electric Corp | Refrigerating cycle device, and refrigerant recovery method in the same |
| CN103954062A (en) * | 2014-04-24 | 2014-07-30 | 华南理工大学 | Working condition concentration control system of mixed working medium throttling refrigerating machine and working condition concentration control method |
| CN204730520U (en) * | 2015-05-20 | 2015-10-28 | 清华大学 | A kind of rectifying tower Variable Composition non-azeotropic working medium heat pump |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611169A (en) * | 2018-10-29 | 2019-04-12 | 同济大学 | A kind of adjustable non-azeotropic working medium organic rankine cycle system of component dynamic |
| CN109611169B (en) * | 2018-10-29 | 2020-03-24 | 同济大学 | Non-azeotropic working medium organic Rankine cycle system with adjustable assembly dynamic |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104879952B (en) | 2017-04-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Zhang et al. | Techno-economic analysis of air source heat pump applied for space heating in northern China | |
| CN2884061Y (en) | Warmmer air source heat-pump device of parallel compressor able to achieve tow-stage compression | |
| CN107278253A (en) | Air energy double stage heat pump air-conditioning system | |
| CN101457949A (en) | Domestic air source heat pump heating system and apparatus for coldness area | |
| CN101571330B (en) | Multifunctional frost-free solar-assisted heat pump system | |
| CN203857718U (en) | Air-conditioning system | |
| CN101240949A (en) | Cascade energy usable variable capacity family energy resource system | |
| Shao et al. | A new inverter heat pump operated all year round with domestic hot water | |
| CN111780303B (en) | Efficient heat source tower heat pump system for southern areas | |
| CN204730517U (en) | The non-azeotropic working medium heat pump that a kind of concentration is adjustable | |
| CN104676937B (en) | Low-temperature air source and ground source dual-source heat pump unit and control method thereof | |
| CN105466066A (en) | Control method for low-circumstance-temperature liquid spray type air source triple cogeneration unit | |
| CN201757505U (en) | Air source heat pump water heater adopting EVI | |
| CN104879951B (en) | Non-azeotropic working medium hot pump system with adjustable concentration and running method thereof | |
| CN109357426B (en) | Combined air conditioning system for machine room and control method thereof | |
| CN109340960B (en) | Combined air conditioning system of machine room and control method thereof | |
| CN102589183A (en) | Heat pipe and heat pump combined novel refrigerating device | |
| CN204730520U (en) | A kind of rectifying tower Variable Composition non-azeotropic working medium heat pump | |
| CN105402925A (en) | Low-loop-temperature liquid spraying type air source triple co-generation unit | |
| CN103017410B (en) | A kind of heating-refrigerating heat-pipe heat-pump type combined cycle system | |
| CN202018156U (en) | Energy-saving heat-pump hot water air conditioner | |
| CN104879952A (en) | Rectifying tower type variable concentration non-azeotropic working medium hot pump system and running method | |
| CN202660808U (en) | Novel heat pipe and heat pump combined refrigerating device | |
| CN101782292B (en) | Three-purpose air conditioner system of ultra low temperature refrigeration, heating and hot water | |
| CN210861782U (en) | Enhanced vapor injection triple co-generation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |