CN104406329A - Flowing phase-change energy storing type falling-film evaporating heat pump unit - Google Patents
Flowing phase-change energy storing type falling-film evaporating heat pump unit Download PDFInfo
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- CN104406329A CN104406329A CN201410757459.6A CN201410757459A CN104406329A CN 104406329 A CN104406329 A CN 104406329A CN 201410757459 A CN201410757459 A CN 201410757459A CN 104406329 A CN104406329 A CN 104406329A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
- F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/04—Evaporators with horizontal tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/22—Evaporating by bringing a thin layer of the liquid into contact with a heated surface
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/09—Improving heat transfers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/22—Preventing, detecting or repairing leaks of refrigeration fluids
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- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electromagnetic Pumps, Or The Like (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention provides a flowing phase-change energy storing type falling-film evaporating heat pump unit. The flowing phase-change energy storing type falling-film evaporating heat pump unit is that an inner water pipe inlet, a medium water pipe inlet and an outer water pipe inlet are all connected with a pump-out end of a water pump; an inner water pipe outlet, a medium water pipe outlet and an outer water pipe outlet are all connected with an inlet of a solar thermal collector; an outlet of the solar thermal collector is connected with a suction inlet of the water pump through a second pipeline; the outlet end of a phase-change micro-emulsion discharge pipe is connected with the suction end of a stainless steel magnetic pump; the inlets of a plurality of groups of phase-change micro-emulsion external surface enhanced pipe bundles are all connected with the pump-out end of the stainless steel magnetic pump, and the outlets of the plurality of groups of phase-change micro-emulsion external surface enhanced pipe bundles are all connected with a phase-change micro-emulsion feeding pipe of an energy storing tank; and an electric four-way reversing valve and a falling-film energy storing evaporating device are respectively connected with a compressor, an outdoor side fin type tubular air heat exchanger and a refrigerant/ water drying type heat exchanger. The flowing phase-change energy storing type falling-film evaporating heat pump unit is applied to a solar energy and air energy coupling heat pump system.
Description
Technical field
The present invention relates to a kind of source pump for energy-storage heat pump system, be specifically related to a kind of falling-film evaporating source pump of the phase-changing energy-storing that flows.
Background technology
At present, in each regional extensive use, but there is the low problem of heating efficiency in northern cold climate district in air source heat pump, also there is the problem of heat pump cycle outdoor heat exchanger frosting in the area that outside relative humidity is larger.So the air resource heat pump integrated system in conjunction with other field technology becomes new developing direction, most integrated systems is still in the imagination stage, fails different types of technology to maximize favourable factors and minimize unfavourable ones, and rationality combines.In existing energy-storage type heat pump, energy storage heat exchanger mostly is sleeve type structure, and its shortcoming is: 1), thimble tube accumulator metal consumption is large, it is large to take up room, and is but difficult to maximize; 2), sleeve structure deeply by the impact of energy-accumulation material thermophysical property, such as heat conductivility, thermal expansivity etc.; 3), the harmonious contradiction (it is large that accumulator volume designs difference by cold-storage and accumulation of heat requirement) of cold, the two-way utilization of heat; 4) the more difficult raising of efficiency of the independent heat supply of thimble tube accumulator.
Summary of the invention
The present invention be solve that the accumulator volume that exists in system, equipment, method of existing bushing type accumulating type Multisource heat pump integrated system is large, the more difficult raising of heat exchange efficiency, by the constraint of energy-accumulation material character, cold/heat is two-way utilizes unbalanced problem, provides a kind of falling-film evaporating source pump of the phase-changing energy-storing that flows.
The falling-film evaporating source pump of a kind of phase-changing energy-storing that flows of the present invention comprises compressor, electric four passes reversal valve, outside fin tube type air heat exchanger, cryogen/water dry type heat exchanger, hot and cold water circulating pump, falling film type energy storage evaporator, stainless steel magnetic drive pump, energy storage tank, water pump, solar thermal collector, first pipeline, second pipeline, 3rd pipeline, 4th pipeline, 5th pipeline, 6th pipeline, 7th pipeline, 8th pipeline, 9th pipeline, tenth pipeline, 11 pipeline, 12 pipeline, 13 pipeline, 14 pipeline, 15 pipeline, 16 pipeline, 17 pipeline, 18 pipeline, 19 pipeline, 20 pipeline, first threeway, second threeway, 3rd threeway, 4th threeway, 5th threeway, 6th threeway, 7th threeway, 8th threeway, 21 pipeline, 22 pipeline, 23 pipeline, 24 pipeline, 25 pipeline, first magnetic valve, second magnetic valve, 3rd magnetic valve, 4th magnetic valve, 5th magnetic valve, 6th magnetic valve, 7th magnetic valve, 8th magnetic valve, 9th magnetic valve, first check valve, second check valve, 3rd check valve, 4th check valve, first heating power expansion valve, second heating power expansion valve, electric expansion valve and restricting orifice, falling film type energy storage evaporator is by liquid distributor, oil return pipe, feed pipe, evaporator shell, two middle part knockouts and many group phase transformation microemulsion outer surface strengthening tube bank compositions, liquid distributor is horizontally set in evaporator shell, one end of feed pipe is connected with liquid distributor, it is external that the other end of feed pipe passes to evaporator shell, two middle part knockouts are set in parallel in below liquid distributor, between two middle part knockouts, left and right is respectively provided with one group of phase transformation microemulsion outer surface strengthening tube bank, one group of phase transformation microemulsion outer surface strengthening tube bank is respectively provided with about being positioned at the upper surface of the middle part knockout of top, one group of phase transformation microemulsion outer surface strengthening tube bank is respectively provided with about being positioned at the lower surface of the middle part knockout of below, middle part knockout is distribution plate open-celled structure, evaporator shell top is provided with steam (vapor) outlet, and energy storage tank is by external thermal insulation, energy storage tank housing, base, phase transformation microemulsion discharge nozzle, phase transformation microemulsion feed pipe, outer water pipe, middle level water pipe, internal layer water pipe forms, and external thermal insulation is coated on the skin of energy storage tank housing, and external thermal insulation is arranged on submounts, internal layer water pipe, middle level water pipe and outer water pipe are successively set in energy storage tank housing from the inside to the outside, the internal layer pipe inlet of internal layer water pipe and internal layer pipe outlet are all positioned at outside energy storage tank housing, the mid-water tube inlet of middle level water pipe and middle level pipe outlet are all positioned at outside energy storage tank housing, outer pipe inlet and the outer pipe outlet of outer water pipe are all positioned at outside energy storage tank housing, one end of phase transformation microemulsion discharge nozzle is communicated with bottom energy storage tank housing cavity, one end of phase transformation microemulsion feed pipe is communicated with energy storage tank housing cavity top, internal layer pipe inlet, mid-water tube inlet and outer pipe inlet are all connected with the extrusion end of water pump, internal layer pipe outlet, middle level pipe outlet is all connected with the first pipeline with outer pipe outlet, first pipeline is connected with the entrance of solar thermal collector, the outlet of solar thermal collector is connected with water pump intake by the second pipeline, one end of 3rd pipeline is connected with the first pipeline, one end of 4th pipeline is connected with the second pipeline, 9th magnetic valve is arranged on the arrival end place of solar thermal collector and is arranged on the first pipeline, 8th magnetic valve is arranged on the port of export place of solar thermal collector and is arranged on the second pipeline, 6th magnetic valve is arranged on the 3rd pipeline, 7th magnetic valve is arranged on the 4th pipeline, the port of export of phase transformation microemulsion discharge nozzle is connected with the suction side of stainless steel magnetic drive pump, many groups phase transformation microemulsion outer surface enhanced tube beam entrance is all communicated with one end of the 5th pipeline, the other end of the 5th pipeline is connected with the extrusion end of stainless steel magnetic drive pump, many groups phase transformation microemulsion outer surface strengthening tube bank outlet is all communicated with one end of the 6th pipeline, the other end of the 6th pipeline is connected with the phase transformation microemulsion feed pipe of energy storage tank, energy-accumulation material in described energy storage tank is organic phase-change microemulsion
Electric four passes reversal valve respectively with the 7th pipeline, 8th pipeline, 9th pipeline, tenth pipeline connects, the other end of the 7th pipeline is connected with one end of the 25 pipeline by the first threeway, the other end of the 25 pipeline is connected with the steam (vapor) outlet of falling film type energy storage evaporator, the other end of the 8th pipeline is connected with one end of outside fin tube type air heat exchanger, the other end of the 9th pipeline is connected with one end of cryogen/water dry type heat exchanger, the other end of the tenth pipeline is connected with the exhaust outlet of compressor, one end of 11 pipeline is connected with compressor, the other end of the 11 pipeline is connected with the first threeway, one end of 12 pipeline is connected with outside fin tube type air heat exchanger, the other end of the 12 pipeline is connected with the second threeway, 13 pipeline and the 14 pipeline are arranged in parallel, 13 pipeline is all connected with the second threeway with one end of the 14 pipeline, 13 pipeline is all connected with the 3rd threeway with the other end of the 14 pipeline, first heating power expansion valve and the first magnetic valve are installed on the 13 pipeline, 3rd check valve is arranged on the 14 pipeline, one end of 15 pipeline is connected with the 3rd threeway, the other end of the 15 pipeline is connected with the 4th threeway, be connected by pipeline between 4th threeway with the 5th threeway, 16 pipeline and the 17 pipeline are arranged in parallel, 16 pipeline is all connected with the 5th threeway with one end of the 17 pipeline, 16 pipeline is all connected with the 6th threeway with the other end of the 17 pipeline, second heating power expansion valve and the second magnetic valve are installed on the 13 pipeline, 4th check valve is arranged on the 17 pipeline, one end of 18 pipeline is connected with the 6th threeway, the other end of the 18 pipeline is connected with one end of cryogen/water dry type heat exchanger, one end of 19 pipeline is connected with the other end of cryogen/water dry type heat exchanger, one end of 20 pipeline is connected with the water inlet of cryogen/water dry type heat exchanger, 21 pipeline one end is connected with the 4th threeway, the other end of the 21 pipeline is connected with the 7th threeway, 22 pipeline and the 23 pipeline are arranged in parallel, 22 pipeline is all connected with the 7th threeway with one end of the 23 pipeline, 22 pipeline is all connected with the 8th threeway with the other end of the 23 pipeline, electric expansion valve is arranged on the 22 pipeline, restricting orifice is arranged on the 23 pipeline, one end of 24 pipeline is connected with the 8th threeway, the other end of the 24 pipeline is connected with the feed pipe of falling film type energy storage evaporator, one end of 25 pipeline is connected with the steam (vapor) outlet of falling film type energy storage evaporator, the other end of the 25 pipeline is connected with the first threeway, first check valve is arranged on the 7th pipeline, second check valve is arranged on the 25 pipeline, 3rd check valve is arranged on the 14 pipeline, 4th check valve is arranged on the 17 pipeline, 3rd magnetic valve is arranged on the 21 pipeline, on the input that hot and cold water circulating pump and the 4th magnetic valve are arranged on the 19 pipeline successively and output, 5th magnetic valve is arranged on the 20 pipeline.
The present invention compared with prior art has following beneficial effect:
One, the more reasonable structure of energy storage heat exchanger of the present invention.In existing energy-storage type heat pump, energy storage heat exchanger mostly is sleeve type structure, and its shortcoming is that metal consumptive material is large, taking up room but is difficult to maximization, the more difficult lifting of heat exchange efficiency greatly.Accumulator is separated with heat exchanger by the present invention, can realize the maximization of equipment; Falling film type energy storage evaporator adopts the design of falling film type boiling heat transfer, arranges that the detailed design such as single-pass tube bundle, oval outer surface enhanced tube, middle part knockout effectively improve the heat transfer efficiency of falling film type energy storage evaporator about bottom in and top out; In energy storage tank, the piping mode of Multilayer partition has thought over the impact of energy-accumulation material thermal stratification in tank body, ensure that to store/the uniformity of exoergic process temperature; Accumulator is separated with heat exchanger, is convenient to the modularization realizing equipment, solves the harmonious contradiction of cold, the two-way utilization of heat.
Two, source pump of the present invention can adjust electric four passes reversal valve and magnetic valve (E1 ~ E9) according to out door climatic parameter, realize air source heat pump refrigeration, falling-film evaporating cold-storage, energy storage tank cooling, energy storage tank associating air source heat pump cooling, air source heat pump heat, solar heat-preservation, energy storage tank heat supply, the heat supply of solar energy auxiliary energy-storage tank, energy storage tank associating air source heat pump heat supply nine kinds of operational modes.
Three, accumulator (energy storage tank) is separated with heat exchanger (falling film type energy storage evaporator) by the present invention, falling film type energy storage evaporator is designed to bottom in and top out, outer surface strengthening tube bank left and right is arranged, middle part knockout, effectively improves the heat transfer efficiency of falling film type energy storage evaporator; Adopt the piping mode of outer water pipe, middle level water pipe, internal layer water pipe subregion in energy storage tank, ensure that and store/the uniformity of exoergic process temperature; Accumulator is separated with heat exchanger, is convenient to the modularization realizing equipment, solves the harmonious contradiction of cold, the two-way utilization of heat.
Four, the organic phase-change microemulsion selected of the present invention, is that a kind of phase-change material is dispersed in the system in water or salt water mixed solution, in White-opalescent emulsion form with the form of micron particles/drop.Phase transformation microemulsion can utilize the latent capacity of phase-change material and the sensible capacity of water simultaneously, and the energy storage density in identical range of temperature is 2 to 5 times of aqueous systems; In phase transition process, keep mobility, heat transfer efficiency exceeds an order of magnitude than the heat transfer of traditional bushing type simultaneously; Its stable performance, good heat conductivity, thermal storage density are higher to most of material non-corrosiveness; Safety non-toxic; In temperature limit, physicochemical properties are stablized; Burning-point/flash-point is higher than temperature limit; Explosion limit is high.Solve the corrosivity of inorganic energy-accumulation material, the easily problem such as layering, instability, also solve Solid Organic/liquid phase become material phase transformation rate of volumetric change greatly, the problem of difficult sealing.
Five, have employed stainless steel magnetic drive pump for phase transformation microemulsion.The stainless steel magnetic drive pump that the present invention selects solves organic solvent to seal gasket dissolubility erosion problem, avoids the problem of usual product pump " run, drip, leak ".
Six, the present invention can the quantity of load/unload energy storage tank as required, reaches the object of adjustment heat-transfer intensity, can realize the maximization of equipment.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is the structural representation of falling film type energy storage evaporator 6;
Fig. 3 is the A-A sectional view of Fig. 2;
Fig. 4 is the top view of middle part knockout 67;
Fig. 5 is the structural representation of energy storage tank 8;
Fig. 6 is the B-B sectional view of Fig. 5;
Fig. 7 is the structural representation of restricting orifice R4 in detailed description of the invention three;
Fig. 8 is the C-C sectional view of Fig. 7;
Fig. 9 is the structural representation of detailed description of the invention ten.
Detailed description of the invention
Detailed description of the invention one: composition graphs 1 ~ Fig. 6 illustrates present embodiment, present embodiment comprises compressor 1, electric four passes reversal valve 2, outside fin tube type air heat exchanger 3, cryogen/water dry type heat exchanger 4, hot and cold water circulating pump 5, falling film type energy storage evaporator 6, stainless steel magnetic drive pump 7, energy storage tank 8, water pump 9, solar thermal collector 10, first pipeline 11, second pipeline 12, 3rd pipeline 13, 4th pipeline 14, 5th pipeline 15, 6th pipeline 16, 7th pipeline 17, 8th pipeline 18, 9th pipeline 19, tenth pipeline 20, 11 pipeline 21, 12 pipeline 22, 13 pipeline 23, 14 pipeline 24, 15 pipeline 25, 16 pipeline 26, 17 pipeline 27, 18 pipeline 28, 19 pipeline 29, 20 pipeline 30, first threeway 31, second threeway 32, 3rd threeway 33, 4th threeway 34, 5th threeway 35, 6th threeway 36, 7th threeway 37, 8th threeway 38, 21 pipeline 41, 22 pipeline 42, 23 pipeline 43, 24 pipeline 44, 25 pipeline 45, first magnetic valve E1, second magnetic valve E2, 3rd magnetic valve E3, 4th magnetic valve E4, 5th magnetic valve E5, 6th magnetic valve E6, 7th magnetic valve E7, 8th magnetic valve E8, 9th magnetic valve E9, first check valve S1, second check valve S2, 3rd check valve S3, 4th check valve S4, first heating power expansion valve R1, second heating power expansion valve R2, electric expansion valve R3 and restricting orifice R4, falling film type energy storage evaporator 6 is by liquid distributor 61, oil return pipe 63, feed pipe 64, evaporator shell 65, two middle part knockouts 67 and many group phase transformation microemulsion outer surface strengthening tube banks 62 form, liquid distributor 61 is horizontally set in evaporator shell 65, one end of feed pipe 64 is connected with liquid distributor 61, the other end of feed pipe 64 passes to outside evaporator shell 65, two middle part knockouts 67 are set in parallel in below liquid distributor 61, between two middle part knockouts 67, left and right is respectively provided with one group of phase transformation microemulsion outer surface strengthening tube bank 62, one group of phase transformation microemulsion outer surface strengthening tube bank 62 is respectively provided with about being positioned at the upper surface of the middle part knockout 67 of top, one group of phase transformation microemulsion outer surface strengthening tube bank 62 is respectively provided with about being positioned at the lower surface of the middle part knockout 67 of below, middle part knockout 67 is distribution plate perforate 671 structure, evaporator shell 65 top is provided with steam (vapor) outlet 66, and energy storage tank 8 is by external thermal insulation 81, energy storage tank housing 82, base 83, phase transformation microemulsion discharge nozzle 84, phase transformation microemulsion feed pipe 85, outer water pipe 86, middle level water pipe 87, internal layer water pipe 88 forms, and external thermal insulation 81 is coated on the skin of energy storage tank housing 82, and external thermal insulation 81 is arranged on above base 83, internal layer water pipe 88, middle level water pipe 87 and outer water pipe 86 are successively set in energy storage tank housing 82 from the inside to the outside, the internal layer pipe inlet 89 of internal layer water pipe 88 and internal layer pipe outlet 810 are all positioned at outside energy storage tank housing 82, the mid-water tube inlet 811 of middle level water pipe 87 and middle level pipe outlet 812 are all positioned at outside energy storage tank housing 82, outer pipe inlet 813 and the outer pipe outlet 814 of outer water pipe 86 are all positioned at outside energy storage tank housing 82, one end of phase transformation microemulsion discharge nozzle 84 is communicated with energy storage tank housing 82 intracavity bottom, one end of phase transformation microemulsion feed pipe 85 is communicated with energy storage tank housing 82 inner chamber top, internal layer pipe inlet 89, mid-water tube inlet 811 is all connected with the extrusion end of water pump 9 with outer pipe inlet 813, internal layer pipe outlet 810, middle level pipe outlet 812 is all connected with the first pipeline 11 with outer pipe outlet 814, first pipeline 11 is connected with the entrance of solar thermal collector 10, the outlet of solar thermal collector 10 is connected with the suction inlet of water pump 9 by the second pipeline 12, one end of 3rd pipeline 13 is connected with the first pipeline 11, one end of 4th pipeline 14 is connected with the second pipeline 12,9th magnetic valve E9 is arranged on the arrival end place of solar thermal collector 10 and is arranged on the first pipeline 11,8th magnetic valve E8 is arranged on the port of export place of solar thermal collector 10 and is arranged on the second pipeline 12,6th magnetic valve E6 is arranged on the 3rd pipeline 13,7th magnetic valve E7 is arranged on the 4th pipeline 14, the port of export of phase transformation microemulsion discharge nozzle 84 is connected with the suction side of stainless steel magnetic drive pump 7, many groups phase transformation microemulsion outer surface strengthening tube bank 62 entrance is all communicated with one end of the 5th pipeline 15, the other end of the 5th pipeline 15 is connected with the extrusion end of stainless steel magnetic drive pump 7, many groups phase transformation microemulsion outer surface strengthening tube bank 62 exports and is all communicated with one end of the 6th pipeline 16, the other end of the 6th pipeline 16 is connected with the phase transformation microemulsion feed pipe 85 of energy storage tank 8, energy-accumulation material in described energy storage tank 8 is organic phase-change microemulsion, this is that a kind of organic phase change material is dispersed in the system in water or salt water mixed solution with the form of micron particles/drop, in White-opalescent emulsion form, phase transformation microemulsion can utilize the latent capacity of phase-change material and the sensible capacity of water simultaneously, and the energy storage density in identical range of temperature is 2 ~ 5 times of aqueous systems, simultaneously in phase transition process, keep mobility, do not need extra heat transfer medium, its stable performance, heat conductivility are better, thermal storage density is higher.The German RUBITHERM that organic phase-change microemulsion can adopt Rule, Hangzhou Energy Science Co., Ltd to sell originates in PCS series of high efficiency phase-changing energy storage material.The transition temperature range of described organic phase-change microemulsion is 4 DEG C ~ 8 DEG C, and this temperature range makes energy storage materials of phase change have both the dual-use function of cold-storage cooling, storage heating, and this material is also liquid at normal temperatures, can directly fill.Electric four passes reversal valve 2 respectively with the 7th pipeline 17, 8th pipeline 18, 9th pipeline 19, tenth pipeline 20 connects, the other end of the 7th pipeline 17 is connected with one end of the 25 pipeline 45 by the first threeway 31, the other end of the 25 pipeline 45 is connected with the steam (vapor) outlet 66 of falling film type energy storage evaporator 6, the other end of the 8th pipeline 18 is connected with one end of outside fin tube type air heat exchanger 3, the other end of the 9th pipeline 19 is connected with one end of cryogen/water dry type heat exchanger 4, the other end of the tenth pipeline 20 is connected with the exhaust outlet of compressor 1, one end of 11 pipeline 21 is connected with compressor 1, the other end of the 11 pipeline 21 is connected with the first threeway 31, one end of 12 pipeline 22 is connected with outside fin tube type air heat exchanger 3, the other end of the 12 pipeline 22 is connected with the second threeway 32, 13 pipeline the 23 and the 14 pipeline 24 is arranged in parallel, 13 pipeline 23 is all connected with the second threeway 32 with one end of the 14 pipeline 24, 13 pipeline 23 is all connected with the 3rd threeway 33 with the other end of the 14 pipeline 24, first heating power expansion valve R1 and the first magnetic valve E1 is installed on the 13 pipeline 23, 3rd check valve S3 is arranged on the 14 pipeline 24, one end of 15 pipeline 25 is connected with the 3rd threeway 33, the other end of the 15 pipeline 25 is connected with the 4th threeway 34, be connected by pipeline between 4th threeway 34 with the 5th threeway 35, 16 pipeline the 26 and the 17 pipeline 27 is arranged in parallel, 16 pipeline 26 is all connected with the 5th threeway 35 with one end of the 17 pipeline 27, 16 pipeline 26 is all connected with the 6th threeway 36 with the other end of the 17 pipeline 27, second heating power expansion valve R2 and the second magnetic valve E2 is installed on the 13 pipeline 23, 4th check valve S4 is arranged on the 17 pipeline 27, one end of 18 pipeline 28 is connected with the 6th threeway 36, the other end of the 18 pipeline 28 is connected with one end of cryogen/water dry type heat exchanger 4, one end of 19 pipeline 29 is connected with the other end of cryogen/water dry type heat exchanger 4, one end of 20 pipeline 30 is connected with the water inlet of cryogen/water dry type heat exchanger 4, 21 pipeline 41 one end is connected with the 4th threeway 34, the other end of the 21 pipeline 41 is connected with the 7th threeway 37, 22 pipeline the 42 and the 23 pipeline 43 is arranged in parallel, 22 pipeline 42 is all connected with the 7th threeway 37 with one end of the 23 pipeline 43, 22 pipeline 42 is all connected with the 8th threeway 38 with the other end of the 23 pipeline 43, electric expansion valve R3 is arranged on the 22 pipeline 42, restricting orifice R4 is arranged on the 23 pipeline 43, one end of 24 pipeline 44 is connected with the 8th threeway 38, the other end of the 24 pipeline 44 is connected with the feed pipe 64 of falling film type energy storage evaporator 6, one end of 25 pipeline 45 is connected with the steam (vapor) outlet 66 of falling film type energy storage evaporator 6, the other end of the 25 pipeline 45 is connected with the first threeway 31, first check valve S1 is arranged on the 7th pipeline 17, second check valve S2 is arranged on the 25 pipeline 45, 3rd check valve S3 is arranged on the 14 pipeline 24, 4th check valve S4 is arranged on the 17 pipeline 27, 3rd magnetic valve E3 is arranged on the 21 pipeline 41, on the input that hot and cold water circulating pump 5 and the 4th magnetic valve E4 are arranged on the 19 pipeline 29 successively and output, 5th magnetic valve E5 is arranged on the 20 pipeline 30.Compressor 1 is screw compressor.First check valve S1, the second check valve S2, the 3rd check valve S3 and the 4th check valve S4 are forward check valve.
Detailed description of the invention two: composition graphs 1 illustrates present embodiment, the cold-producing medium that the falling-film evaporating energy-storage heat pump unit of present embodiment is selected is R134a cold-producing medium.R134a cold-producing medium is middle low-temperature environment-friendly cold-producing medium, and its combination property is good.Other composition and annexation identical with detailed description of the invention one.
Detailed description of the invention three: composition graphs 7 and Fig. 8 illustrate present embodiment, the restricting orifice R4 of present embodiment is composed in series by two orifice plate R41, and each orifice plate R41 is provided with several throttle orifice R411.Existing orifice plate R41 is single hole arrangements.Other composition and annexation identical with detailed description of the invention one or two.
Detailed description of the invention four: composition graphs 2 and Fig. 3 illustrate present embodiment, in the described phase transformation microemulsion outer surface strengthening tube bank 62 of present embodiment, the outer surface of phase transformation microemulsion outer surface enhanced tube does augmentation of heat transfer process (as male-pipe, outer surface is around finned tube, the forms such as appearance surface cover finned tube), the inner surface of phase transformation microemulsion outer surface enhanced tube should be smooth.After the outer surface of phase transformation microemulsion outer surface enhanced tube does augmentation of heat transfer process, boundary layer outside continuous destruction tube wall, and perturbation action is produced to cold-producing medium two phase flow, the wake flow of upstream can strengthen the heat transfer in downstream, and the heat-transfer intensity between cold-producing medium and phase transformation microemulsion significantly promotes; The smooth phase transformation microemulsion that makes of inner surface of phase transformation microemulsion outer surface enhanced tube significantly reduces in the pressure drop of Bottomhole pressure, and the micron order medium protecting phase transformation microemulsion avoids fragmentation and causes material failure.Other composition and annexation identical with detailed description of the invention three.
Detailed description of the invention five: composition graphs 2 and Fig. 3 illustrate present embodiment, the cross section of the single phase transformation microemulsion outer surface enhanced tube of present embodiment is elliptical shape.Experiment proves that the heat transfer property of the more common pipe of elliptical tube of identical hydraulic diameter is better; Other composition and annexation identical with detailed description of the invention four.
Detailed description of the invention six: composition graphs 5 illustrates present embodiment, the described internal layer water pipe 88 of present embodiment, middle level water pipe 87 and outer water pipe 86 are spiral coil, the dish rise of internal layer water pipe 88 is 1/5 of energy storage tank intracoelomic cavity height, the dish rise of middle level water pipe 87 is 3/10 ~ 2/5 of energy storage tank intracoelomic cavity height, and the dish rise of outer water pipe 86 is 4/5 of energy storage tank intracoelomic cavity height.The dish rise of described internal layer water pipe 88, middle level water pipe 87 and outer water pipe 86 is all counted bottom energy storage tank intracoelomic cavity.In conventional accumulation of heat tank body, the dish rise of ectonexine spiral coil is identical, causes producing comparatively serious thermal stratification in accumulation of heat tank body, and tank body is healed, high-temperature layering is more serious; The present invention considers above-mentioned reason, by interior, in, the dish rise independent design of outer water pipe, experiment confirms, in the heat-accumulator tank after improvement, the mean square deviation of longitudinal temperature distribution drops to 2 ~ 3 DEG C by original 8 ~ 14 DEG C, temperature field in accumulation of energy tank body evenly, accumulation of energy/energy supply is more stable.Other composition and annexation and detailed description of the invention one, two, four or five identical.
Detailed description of the invention seven: composition graphs 5 and Fig. 6 illustrate present embodiment, the outer water pipe 86 of present embodiment, middle level water pipe 87 and internal layer water pipe 88 are riffled tube or inner micro-fin tube, and the outer surface of outer water pipe 86, middle level water pipe 87 and internal layer water pipe 88 should be smooth.After the inner surface of water pipe does augmentation of heat transfer process, constantly destroy the boundary layer of pipe inner wall, effectively improve the convection heat transfer intensity of water and phase transformation microemulsion; Water pipe smooth outer surface protects micron order medium in the phase transformation microemulsion be in contact with it and avoids fragmentation and cause material failure.Other composition and annexation identical with detailed description of the invention six.
Detailed description of the invention eight: composition graphs 1 illustrates present embodiment, the outer wall of the cryogen of present embodiment/water dry type heat exchanger 4, hot and cold water circulating pump 5, falling film type energy storage evaporator 6, stainless steel magnetic drive pump 7, energy storage tank 8, water pump 9 and solar thermal collector 10 all posts heat-preservation cotton.Setting like this effectively reduce source pump cold/heat loss.Other composition and annexation identical with detailed description of the invention seven.
Detailed description of the invention nine: composition graphs 1 illustrates present embodiment, first pipeline 11 of present embodiment, second pipeline 12, 3rd pipeline 13, 4th pipeline 14, 5th pipeline 15, 6th pipeline 16, 7th pipeline 17, 8th pipeline 18, 9th pipeline 19, 11 pipeline 21, 12 pipeline 22, 13 pipeline 23, 16 pipeline 26, 18 pipeline 28, 19 pipeline 29, 20 pipeline 30, first threeway 31, second threeway 32, 3rd threeway 33, 4th threeway 34, 5th threeway 35, 6th threeway 36, 7th threeway 37, 8th threeway 38, 22 pipeline 42, 23 pipeline 43, the outer wall of the 24 pipeline the 44 and the 25 pipeline 45 all posts heat-preservation cotton.Setting like this effectively reduce source pump cold/heat loss.Other composition and annexation identical with detailed description of the invention eight.
Detailed description of the invention ten: composition graphs 9 illustrates present embodiment, present embodiment and detailed description of the invention nine also increase to have unlike it and comprise injector O1, visor O2, first through-type valve O3, second through-type valve O4, tenth magnetic valve E10, compressor suction duct SC, condenser jet CR, 26 pipeline the 46 and the 27 pipeline 47, injector O1 outlet directly connects with the suction side of compressor suction duct SC and injection direction should be identical with inspiratory direction, level or downward answered by described injector O1 outlet conduit, should not climb, the suction end of compressor 1 is connected with the steam (vapor) outlet 66 of falling film type energy storage evaporator 6 by pipeline, the oil return pipe 63 of falling film type energy storage evaporator 6 is connected with the input of the 26 pipeline 46, the output of the 26 pipeline 46 is connected with the ejecting port of injector O1, on the input that first through-type valve O3 and visor O2 is arranged on the 26 pipeline 46 successively and output, condenser jet CR is connected with the entrance of injector O1 by the 27 pipeline 47, on the input that second through-type valve O4 and the tenth magnetic valve E10 is arranged on the 27 pipeline 47 successively and output.Be arranged so that falling film type energy storage evaporator 6 realizes ejecting scavenge return mode like this.Injector outlet conduit is arranged as level or decline, and as far as possible near air intake duct; Take into full account the impact of valve resistance on induction efficiency, injection pipeline adopts through-type valve replace the valve that the resistances such as magnetic valve are larger.The consideration of these details ensure that the compressor not efficiency decline because losing oil.Design like this, solves in production process and raises through commonly overlooked injector back pressure the problem causing oil return speed slack-off.Other composition and annexation identical with detailed description of the invention nine.
Operation logic of the present invention:
(1), air source heat pump refrigeration mode: open the second magnetic valve E2, the 4th magnetic valve E4 and the 5th magnetic valve E5, close the first magnetic valve E1, the 3rd magnetic valve E3, the 6th magnetic valve E6, the 7th magnetic valve E7, the 8th magnetic valve E8 and the 9th magnetic valve E9; System refrigerant circulation is: screw compressor 1 → electric four passes reversal valve 2 → outside fin tube type air heat exchanger the 3 → three check valve S3 → the second magnetic valve E2 → heating power expansion valve R2 → cryogen/water dry type heat exchanger 4 → electric four passes reversal valve 2 → the first check valve S1 → screw compressor 1; System water circulation is: user side water collector B interface → the 5th magnetic valve E5 → cryogen/water dry type heat exchanger 4 → cold/hot water circulating pump the 5 → four magnetic valve E4 → user side water knockout drum A interface.
(2), falling-film evaporating cold-storage pattern: open the 3rd magnetic valve E3, close the first magnetic valve E1, the second magnetic valve E2, the 4th magnetic valve E4, the 5th magnetic valve E5, the 6th magnetic valve E6, the 7th magnetic valve E7, the 8th magnetic valve E8, the 9th magnetic valve E9; System refrigerant circulation is: screw compressor 1 → electric four passes reversal valve 2 → outside fin tube type air heat exchanger the 3 → three check valve S3 → the 3rd magnetic valve E3 → electric expansion valve R3 and restricting orifice R4 → falling film type energy storage evaporator 6 → the second check valve S2 → screw compressor 1; The circulation of system phase transformation microemulsion is: energy storage tank 8 → stainless steel magnetic drive pump 7 → falling film type energy storage evaporator 6 → energy storage tank 8; Be stored in the use in order to cooling in the phase transformation microemulsion of energy storage tank 8 night " cheap cold ".
(3), energy storage tank cooling mode: open the 6th magnetic valve E6, the 7th magnetic valve E7, close the first magnetic valve E1, the second magnetic valve E2, the 3rd magnetic valve E3, the 4th magnetic valve E4, the 5th magnetic valve E5, the 8th magnetic valve E8 and the 9th magnetic valve E9; System compressors stops; System water circulation is: user side water collector D interface → the 7th magnetic valve E7 → water pump 9 → energy storage tank the 8 → six magnetic valve E6 → user side water knockout drum C interface.
(4), energy storage tank associating air source heat pump cooling mode: open the second magnetic valve E2, the 4th magnetic valve E4, the 5th magnetic valve E5, the 6th magnetic valve E6 and the 7th magnetic valve E7, close the first magnetic valve E1, the 3rd magnetic valve E3, the 8th magnetic valve E8 and the 9th magnetic valve E9; System refrigerant circulation is: screw compressor 1 → electric four passes reversal valve 2 → outside fin tube type air heat exchanger the 3 → three check valve S3 → the second magnetic valve E2 → the second heating power expansion valve R2 → cryogen/water dry type heat exchanger 4 → electric four passes reversal valve 2 → the first check valve S1 → screw compressor 1; System water circulation is: user side water collector B interface → the 5th magnetic valve E5 → cryogen/water dry type heat exchanger 4 → hot and cold water circulating pump the 5 → four magnetic valve E4 → user side water knockout drum A interface, user side water collector D interface → the 7th magnetic valve E7 → water pump 9 → energy storage tank the 8 → six magnetic valve E6 → user side water knockout drum C interface.
(5), air source heat pump heating mode: open the first magnetic valve E1, the 4th magnetic valve E4 and the 5th magnetic valve E5, close the second magnetic valve E2, the 3rd magnetic valve E3, the 6th magnetic valve E6, the 7th magnetic valve E7, the 8th magnetic valve E8 and the 9th magnetic valve E9; System refrigerant circulation is: screw compressor 1 → electric four passes reversal valve 2 → cryogen/water dry type heat exchanger the 4 → four check valve S4 → the first magnetic valve E1 → the first heating power expansion valve R1 → outside fin tube type air heat exchanger 3 → electric four passes reversal valve 2 → the first check valve S1 → screw compressor 1; System water circulation is: user side water collector B interface → the 5th magnetic valve E5 → cryogen/water dry type heat exchanger 4 → hot and cold water circulating pump the 5 → four magnetic valve E4 → user side water knockout drum A interface.
(6), solar heat-preservation pattern: compressor 1 stops, open the 8th magnetic valve E8 and the 9th magnetic valve E9, close the first magnetic valve E1, the second magnetic valve E2, the 3rd magnetic valve E3, the 4th magnetic valve E4, the 5th magnetic valve E5, the 6th magnetic valve E6 and the 7th magnetic valve E7; Water pump 9 runs, and system solar heat water circulation is: solar thermal collector 10 → magnetic valve E8 → water pump 9 → energy storage tank the 8 → nine magnetic valve E9 → solar thermal collector 10; The Lowlevel thermal energy of solar water is stored in the use in order to heat supply in the phase transformation microemulsion of energy storage tank 8.
(7), energy storage tank heat supply mode: open the 3rd magnetic valve E3, the 4th magnetic valve E4 and the 5th magnetic valve E5, close the first magnetic valve E1, the second magnetic valve E2, the 6th magnetic valve E6, the 7th magnetic valve E7, the 8th magnetic valve E8 and the 9th magnetic valve E9; System refrigerant circulation is: compressor 1 → electric four passes reversal valve 2 → cryogen/water dry type heat exchanger the 4 → four check valve S4 → the 3rd magnetic valve E3 → electric expansion valve R3 and restricting orifice R4 → falling film type energy storage evaporator 6 → the second check valve S2 → compressor 1; System water circulation is: user side water collector B interface → the 5th magnetic valve E5 → cryogen/water dry type heat exchanger 4 → hot and cold water circulating pump the 5 → four magnetic valve E4 → user side water knockout drum A interface; The circulation of system phase transformation microemulsion is: energy storage tank 8 → stainless steel magnetic drive pump 7 → falling film type energy storage evaporator 6 → energy storage tank 8.
, solar energy auxiliary energy-storage tank heat supply mode: opens solenoid valve the 3rd magnetic valve E3, the 4th magnetic valve E4, the 5th magnetic valve E5, the 8th magnetic valve E8 and the 9th magnetic valve E9, close the first magnetic valve E1, the second magnetic valve E2, the 6th magnetic valve E6 and the 7th magnetic valve E7; System refrigerant circulation is: compressor 1 → electric four passes reversal valve 2 → cryogen/water dry type heat exchanger the 4 → four check valve S4 → the 3rd magnetic valve E3 → electric expansion valve R3 and restricting orifice R4 → falling film type energy storage evaporator 6 → the second check valve S2 → compressor 1; System water circulation is: user side water collector B interface → the 5th magnetic valve E5 → cryogen/water dry type heat exchanger 4 → hot and cold water circulating pump the 5 → four magnetic valve E4 → user side water knockout drum A interface; System solar heat water circulation is: solar thermal collector 10 → magnetic valve E8 → water pump 9 → energy storage tank the 8 → nine magnetic valve E9 → solar thermal collector 10; The circulation of system phase transformation microemulsion is: energy storage tank 8 → stainless steel magnetic drive pump 7 → falling film type energy storage evaporator 6 → energy storage tank 8; System to user's heat supply, lays in Lowlevel thermal energy for subsequent use by cryogen/water dry type heat exchanger 4 simultaneously in energy storage tank 8.
(9), energy storage tank associating air source heat pump heat supply mode: open the first magnetic valve E1, the 3rd magnetic valve E3, the 4th magnetic valve E4 and the 5th magnetic valve E5, close the second magnetic valve E2, the 6th magnetic valve E6, the 7th magnetic valve E7, the 8th magnetic valve E8 and the 9th magnetic valve E9; System refrigerant circulation is: compressor 1 → electric four passes reversal valve 2 → cryogen/water dry type heat exchanger the 4 → four check valve S4 → the 3rd magnetic valve E3 → electric expansion valve R3 and restricting orifice R4 → falling film type energy storage evaporator 6 → the second check valve S2 → compressor 1, compressor 1 → electric four passes reversal valve 2 → cryogen/water dry type heat exchanger the 4 → four check valve S4 → the first magnetic valve E1 → the first heating power expansion valve R1 → outside fin tube type air heat exchanger 3 → electric four passes reversal valve 2 → the first check valve S1 → compressor 1; System water circulation is: user side water collector B interface → the 5th magnetic valve E5 → cryogen/water dry type heat exchanger 4 → hot and cold water circulating pump the 5 → four magnetic valve E4 → user side water knockout drum A interface; The circulation of system phase transformation microemulsion is: energy storage tank 8 → stainless steel magnetic drive pump 7 → falling film type energy storage evaporator 6 → energy storage tank 8.
Claims (10)
1. the falling-film evaporating source pump of the phase-changing energy-storing that flows, it is characterized in that: described source pump comprises compressor (1), electric four passes reversal valve (2), outside fin tube type air heat exchanger (3), cryogen/water dry type heat exchanger (4), hot and cold water circulating pump (5), falling film type energy storage evaporator (6), stainless steel magnetic drive pump (7), energy storage tank (8), water pump (9), solar thermal collector (10), first pipeline (11), second pipeline (12), 3rd pipeline (13), 4th pipeline (14), 5th pipeline (15), 6th pipeline (16), 7th pipeline (17), 8th pipeline (18), 9th pipeline (19), tenth pipeline (20), 11 pipeline (21), 12 pipeline (22), 13 pipeline (23), 14 pipeline (24), 15 pipeline (25), 16 pipeline (26), 17 pipeline (27), 18 pipeline (28), 19 pipeline (29), 20 pipeline (30), first threeway (31), second threeway (32), 3rd threeway (33), 4th threeway (34), 5th threeway (35), 6th threeway (36), 7th threeway (37), 8th threeway (38), 21 pipeline (41), 22 pipeline (42), 23 pipeline (43), 24 pipeline (44), 25 pipeline (45), first magnetic valve (E1), second magnetic valve (E2), 3rd magnetic valve (E3), 4th magnetic valve (E4), 5th magnetic valve (E5), 6th magnetic valve (E6), 7th magnetic valve (E7), 8th magnetic valve (E8), 9th magnetic valve (E9), first check valve (S1), second check valve (S2), 3rd check valve (S3), 4th check valve (S4), first heating power expansion valve (R1), second heating power expansion valve (R2), electric expansion valve (R3) and restricting orifice (R4), falling film type energy storage evaporator (6) is by liquid distributor (61), oil return pipe (63), feed pipe (64), evaporator shell (65), two middle parts knockout (67) and many group phase transformation microemulsion outer surface strengthening tube bank (62) compositions, liquid distributor (61) is horizontally set in evaporator shell (65), one end of feed pipe (64) is connected with liquid distributor (61), the other end of feed pipe (64) passes to evaporator shell (65) outward, two middle parts knockout (67) are set in parallel in below liquid distributor (61), between two middle parts knockout (67), left and right is respectively provided with one group of phase transformation microemulsion outer surface strengthening tube bank (62), one group of phase transformation microemulsion outer surface strengthening tube bank (62) is respectively provided with about being positioned at the upper surface of the middle part knockout (67) of top, one group of phase transformation microemulsion outer surface strengthening tube bank (62) is respectively provided with about being positioned at the lower surface of the middle part knockout (67) of below, middle part knockout (67) is distribution plate perforate (671) structure, evaporator shell (65) top is provided with steam (vapor) outlet (66), energy storage tank (8) is by external thermal insulation (81), energy storage tank housing (82), base (83), phase transformation microemulsion discharge nozzle (84), phase transformation microemulsion feed pipe (85), outer water pipe (86), middle level water pipe (87), internal layer water pipe (88) forms, external thermal insulation (81) is coated on the skin of energy storage tank housing (82), external thermal insulation (81) is arranged on above base (83), internal layer water pipe (88), middle level water pipe (87) and outer water pipe (86) are successively set in energy storage tank housing (82) from the inside to the outside, the internal layer pipe inlet (89) of internal layer water pipe (88) and internal layer pipe outlet (810) are all positioned at energy storage tank housing (82) outside, the mid-water tube inlet (811) of middle level water pipe (87) and middle level pipe outlet (812) are all positioned at energy storage tank housing (82) outside, the outer pipe inlet (813) of outer water pipe (86) and outer pipe outlet (814) are all positioned at energy storage tank housing (82) outside, one end of phase transformation microemulsion discharge nozzle (84) is communicated with energy storage tank housing (82) intracavity bottom, one end of phase transformation microemulsion feed pipe (85) is communicated with energy storage tank housing (82) inner chamber top, internal layer pipe inlet (89), mid-water tube inlet (811) is all connected with the extrusion end of water pump (9) with outer pipe inlet (813), internal layer pipe outlet (810), middle level pipe outlet (812) is all connected with the first pipeline (11) with outer pipe outlet (814), first pipeline (11) is connected with the entrance of solar thermal collector (10), the outlet of solar thermal collector (10) is connected by the suction inlet of the second pipeline (12) with water pump (9), one end of 3rd pipeline (13) is connected with the first pipeline (11), one end of 4th pipeline (14) is connected with the second pipeline (12), 9th magnetic valve (E9) is arranged on the arrival end place of solar thermal collector (10) and is arranged on the first pipeline (11), 8th magnetic valve (E8) is arranged on the port of export place of solar thermal collector (10) and is arranged on the second pipeline (12), 6th magnetic valve (E6) is arranged on the 3rd pipeline (13), 7th magnetic valve (E7) is arranged on the 4th pipeline (14), the port of export of phase transformation microemulsion discharge nozzle (84) is connected with the suction side of stainless steel magnetic drive pump (7), many groups phase transformation microemulsion outer surface strengthening tube bank (62) entrance is all communicated with one end of the 5th pipeline (15), the other end of the 5th pipeline (15) is connected with the extrusion end of stainless steel magnetic drive pump (7), many groups phase transformation microemulsion outer surface strengthening tube bank (62) outlet is all communicated with one end of the 6th pipeline (16), the other end of the 6th pipeline (16) is connected with the phase transformation microemulsion feed pipe (85) of energy storage tank (8), energy-accumulation material in described energy storage tank (8) is organic phase-change microemulsion, electric four passes reversal valve (2) respectively with the 7th pipeline (17), 8th pipeline (18), 9th pipeline (19), tenth pipeline (20) connects, the other end of the 7th pipeline (17) is connected with one end of the 25 pipeline (45) by the first threeway (31), the other end of the 25 pipeline (45) is connected with the steam (vapor) outlet (66) of falling film type energy storage evaporator (6), the other end of the 8th pipeline (18) is connected with one end of outside fin tube type air heat exchanger (3), the other end of the 9th pipeline (19) is connected with one end of cryogen/water dry type heat exchanger (4), the other end of the tenth pipeline (20) is connected with the exhaust outlet of compressor (1), one end of 11 pipeline (21) is connected with compressor (1), the other end of the 11 pipeline (21) is connected with the first threeway (31), one end of 12 pipeline (22) is connected with outside fin tube type air heat exchanger (3), the other end of the 12 pipeline (22) is connected with the second threeway (32), 13 pipeline (23) and the 14 pipeline (24) are arranged in parallel, 13 pipeline (23) is all connected with the second threeway (32) with one end of the 14 pipeline (24), 13 pipeline (23) is all connected with the 3rd threeway (33) with the other end of the 14 pipeline (24), first heating power expansion valve (R1) and the first magnetic valve (E1) are installed on the 13 pipeline (23), 3rd check valve (S3) is arranged on the 14 pipeline (24), one end of 15 pipeline (25) is connected with the 3rd threeway (33), the other end of the 15 pipeline (25) is connected with the 4th threeway (34), be connected by pipeline between 4th threeway (34) with the 5th threeway (35), 16 pipeline (26) and the 17 pipeline (27) are arranged in parallel, 16 pipeline (26) is all connected with the 5th threeway (35) with one end of the 17 pipeline (27), 16 pipeline (26) is all connected with the 6th threeway (36) with the other end of the 17 pipeline (27), second heating power expansion valve (R2) and the second magnetic valve (E2) are installed on the 13 pipeline (23), 4th check valve (S4) is arranged on the 17 pipeline (27), one end of 18 pipeline (28) is connected with the 6th threeway (36), the other end of the 18 pipeline (28) is connected with one end of cryogen/water dry type heat exchanger (4), one end of 19 pipeline (29) is connected with the other end of cryogen/water dry type heat exchanger (4), one end of 20 pipeline (30) is connected with the water inlet of cryogen/water dry type heat exchanger (4), 21 pipeline (41) one end is connected with the 4th threeway (34), the other end of the 21 pipeline (41) is connected with the 7th threeway (37), 22 pipeline (42) and the 23 pipeline (43) are arranged in parallel, 22 pipeline (42) is all connected with the 7th threeway (37) with one end of the 23 pipeline (43), 22 pipeline (42) is all connected with the 8th threeway (38) with the other end of the 23 pipeline (43), electric expansion valve (R3) is arranged on the 22 pipeline (42), restricting orifice (R4) is arranged on the 23 pipeline (43), one end of 24 pipeline (44) is connected with the 8th threeway (38), the other end of the 24 pipeline (44) is connected with the feed pipe (64) of falling film type energy storage evaporator (6), one end of 25 pipeline (45) is connected with the steam (vapor) outlet (66) of falling film type energy storage evaporator (6), the other end of the 25 pipeline (45) is connected with the first threeway (31), first check valve (S1) is arranged on the 7th pipeline (17), second check valve (S2) is arranged on the 25 pipeline (45), 3rd check valve (S3) is arranged on the 14 pipeline (24), 4th check valve (S4) is arranged on the 17 pipeline (27), 3rd magnetic valve (E3) is arranged on the 21 pipeline (41), on the input that hot and cold water circulating pump (5) and the 4th magnetic valve (E4) are arranged on the 19 pipeline (29) successively and output, 5th magnetic valve (E5) is arranged on the 20 pipeline (30).
2. the falling-film evaporating source pump of a kind of phase-changing energy-storing that flows according to claim 1, is characterized in that: the cold-producing medium that described falling-film evaporating energy-storage heat pump unit is selected is R134a cold-producing medium.
3. a kind of falling-film evaporating source pump of the phase-changing energy-storing that flows according to claim 1 or 2, it is characterized in that: described restricting orifice (R4) is composed in series by two orifice plates (R41), and each orifice plate (R41) is provided with several throttle orifice (R411).
4. the falling-film evaporating source pump of a kind of phase-changing energy-storing that flows according to claim 3, it is characterized in that: in described phase transformation microemulsion outer surface strengthening tube bank (62), the outer surface of phase transformation microemulsion outer surface enhanced tube does augmentation of heat transfer process, and the inner surface of phase transformation microemulsion outer surface enhanced tube should be smooth.
5. the falling-film evaporating source pump of a kind of phase-changing energy-storing that flows according to claim 4, is characterized in that: the cross section of described single phase transformation microemulsion outer surface enhanced tube is elliptical shape.
6. a kind of falling-film evaporating source pump of the phase-changing energy-storing that flows according to claim 1,2,4 or 5, it is characterized in that: described internal layer water pipe (88), middle level water pipe (87) and outer water pipe (86) are spiral coil, the dish rise of internal layer water pipe (88) is 1/5 of energy storage tank intracoelomic cavity height, the dish rise of middle level water pipe (87) is 3/10 ~ 2/5 of energy storage tank intracoelomic cavity height, and the dish rise of outer water pipe (86) is 4/5 of energy storage tank intracoelomic cavity height.
7. the falling-film evaporating source pump of a kind of phase-changing energy-storing that flows according to claim 6, it is characterized in that: described outer water pipe (86), middle level water pipe (87) and internal layer water pipe (88) are riffled tube or inner micro-fin tube, the outer surface of outer water pipe (86), middle level water pipe (87) and internal layer water pipe (88) should be smooth.
8. the falling-film evaporating source pump of a kind of phase-changing energy-storing that flows according to claim 7, is characterized in that: the outer wall of described cryogen/water dry type heat exchanger (4), hot and cold water circulating pump (5), falling film type energy storage evaporator (6), stainless steel magnetic drive pump (7), energy storage tank (8), water pump (9) and solar thermal collector (10) all posts heat-preservation cotton.
9. the falling-film evaporating source pump of a kind of phase-changing energy-storing that flows according to claim 8, is characterized in that: described first pipeline (11), second pipeline (12), 3rd pipeline (13), 4th pipeline (14), 5th pipeline (15), 6th pipeline (16), 7th pipeline (17), 8th pipeline (18), 9th pipeline (19), 11 pipeline (21), 12 pipeline (22), 13 pipeline (23), 16 pipeline (26), 18 pipeline (28), 19 pipeline (29), 20 pipeline (30), first threeway (31), second threeway (32), 3rd threeway (33), 4th threeway (34), 5th threeway (35), 6th threeway (36), 7th threeway (37), 8th threeway (38), 22 pipeline (42), 23 pipeline (43), the outer wall of the 24 pipeline (44) and the 25 pipeline (45) all posts heat-preservation cotton.
10. the falling-film evaporating source pump of a kind of phase-changing energy-storing that flows according to claim 9, it is characterized in that: described source pump also comprises injector (O1), visor (O2), first through-type valve (O3), second through-type valve (O4), tenth magnetic valve (E10), compressor suction duct (SC), condenser jet (CR), 26 pipeline (46) and the 27 pipeline (47), described injector (O1) outlet directly connects with the suction side of compressor suction duct (SC) and injection direction should be identical with inspiratory direction, level or downward answered by described injector (O1) outlet conduit, should not climb, the suction end of compressor (1) is connected with the steam (vapor) outlet (66) of falling film type energy storage evaporator (6) by pipeline, the oil return pipe (63) of falling film type energy storage evaporator (6) is connected with the input of the 26 pipeline (46), the output of the 26 pipeline (46) is connected with the ejecting port of injector (O1), on the input that first through-type valve (O3) and visor (O2) are arranged on the 26 pipeline (46) successively and output, condenser jet (CR) is connected with the entrance of injector (O1) by the 27 pipeline (47), on the input that second through-type valve (O4) and the tenth magnetic valve (E10) are arranged on the 27 pipeline (47) successively and output.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105508244A (en) * | 2016-01-19 | 2016-04-20 | 广东美芝制冷设备有限公司 | Rotary compressor and heat exchange system with same |
| CN107490212A (en) * | 2017-07-06 | 2017-12-19 | 南京师范大学 | A kind of Falling Film Evaporator of Horizontal Tube |
| WO2022228345A1 (en) * | 2021-04-29 | 2022-11-03 | 约克广州空调冷冻设备有限公司 | Heat pump system |
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