CN205505272U - Low ebb electricity heat accumulation cold -storage heat pump air conditioner - Google Patents
Low ebb electricity heat accumulation cold -storage heat pump air conditioner Download PDFInfo
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- CN205505272U CN205505272U CN201620323315.4U CN201620323315U CN205505272U CN 205505272 U CN205505272 U CN 205505272U CN 201620323315 U CN201620323315 U CN 201620323315U CN 205505272 U CN205505272 U CN 205505272U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Abstract
The utility model provides is a low ebb electricity heat accumulation cold -storage heat pump air conditioner by storing up ice heat -retaining container and water the equipment at hydrothermal pump and both ends is constituteed. Store up ice heat -retaining container by casing, cylindrical finned heat exchanger about, the side seal head constitute, the side seal head about, that is provided with cylindrical finned heat exchanger in the casing, casing, cylindrical finned heat exchanger pass through side ring shaped plate about fin group, whole of constitution is connected with casing flange seal gasket, head with casing flange fixing bolt to the head. The utility model discloses utilize low ebb electricity system ice cold -storage, heat accumulation, can get up the thermal energy storage of cooling water in the cold -storage summer, and the energy efficiency ratio is up to 1: 6, the heat accumulation volume of 1kg water can reach 728kj winter. The utility model discloses mainly be applied to and utilize low ebb electricity summer system to ice the air conditioner field of cold -storage and the heating field of heat accumulation in winter.
Description
Technical field
This utility model relates to a kind of trough-electricity heat storage and cold accumulation heat-pump air-conditioner, is mainly used in field of air conditioning and the field of heating of accumulation of heat in winter utilizing trough-electricity cold storage of ice making in summer.
Background technology
Owing to the latent heat of phase change of water-ice is very big (335kj/kg), the cold (heat) that the water of 1kg is absorbed (release) from 12 DEG C of ice being down to 0 DEG C is 385kj, therefore, utilize trough-electricity cold storage of ice making, ice-melt accumulation of heat, be an important technique measure in cool-storage in summer field of air conditioning and heat-storage heating in winter field.
Owing to water makes the reason of the heat conductivity step-down of volumetric expansion, in addition ice after ice, in existing ice-making technology, coil pipe style ice storing vessel and total freeze up ice storage tank, all must give the expansion headspace of ice, it is usually open type, and the ice machine bin of many engineerings or ice storage tank are according to field condition field fabrication, and sealing member formula ice container also exists manufacturing cost height, these several ice containers all also exist cold storage of ice making and let cool inefficient defect, and the product of sizing cannot be formed, it is impossible to it is commonly utilized in cold accumulation air-conditioner field.
Existing trough-electricity water heat-storage heating technology, the water temperature of general accumulation of heat heat release is 40 DEG C 90 DEG C, and the heat that every 1kg water stores only has 4.186*50=209kj.If the amount of stored heat realizing winter heating is identical with the cold storage capacity of summer air-conditioning ice, heat accumulation volume to increase by 84%, due to the increase of heat storage water tank volume so that the floor space of equipment increases, the load of building increases, and some large-scale heating engineerings cannot be implemented.
Utility model content
In order to solve the problem that prior art exists, this utility model provides a kind of trough-electricity heat storage and cold accumulation heat-pump air-conditioner, is made up of the equipment of ice storage heat vessel and water-water heat pump and two ends.All use same ice storage heat vessel in winter and summer, this ice storage heat vessel is at cold storage of ice making in summer--let cool water temperature 0 DEG C-12 DEG C, in the case of accumulation of heat in winter--heat release water temperature 2 DEG C-94 DEG C, cold-storage, amount of stored heat is 385kj/kg, cylindrical finned heat exchanger it is provided with in this ice storage heat vessel housing, ice condenses on fin, fin compensate for the defect that the heat conductivity of ice is low, this utility model cold storage of ice making lets cool, ice-melt accumulation of heat exothermal efficiency is high, operation is simple and reliable for equipment, approved product can be formed, it is mainly used in field of air conditioning and the field of heating of accumulation of heat in winter utilizing trough-electricity cold storage of ice making in summer.
The technical scheme that this utility model is used:
A kind of trough-electricity heat storage and cold accumulation heat-pump air-conditioner, is made up of the equipment of ice storage heat vessel and water-water heat pump and two ends.The evaporator end of water-water heat pump includes: ice storage heat vessel, expanded exhaust tank, electric boiler, water circulating pump, pipe valve；Condenser end includes: cooling tower, plate type heat exchanger, health hot water attemperater, water circulating pump, pipe valve, terminal temperature difference form.Circulatory mediator in evaporator end circulation line is refrigerating medium；Circulatory mediator in condenser end circulation line is tap water.
Ice storage heat vessel is made up of following parts:
Housing, housing heat-insulation layer, right side end socket, left side end socket, cylindrical finned heat exchanger, water inlet, exhaust overflow pipe, sealing nut, O type O-ring seal, end socket and shell flange gasket seal, end socket and shell flange fix bolt, refrigerating medium inlet tube, refrigerating medium outlet, refrigerating medium import separating tube, refrigerating medium outlet concentrate tube, fin, refrigerating medium circulation pipe between fin, fins set right circular plate, end plate on the right side of fins set, bolt is fixed between end plate on the right side of fins set, annular slab on the left of fins set, end plate on the left of fins set, bolt is fixed between end plate on the left of fins set, fins set end plate and annular slab fix bolt.
The architectural feature of ice storage heat vessel:
Being provided with cylindrical finned heat exchanger in housing, left and right sides end socket, housing, cylindrical finned heat exchanger are fixed bolt with shell flange gasket seal, end socket with shell flange by fins set left and right sides annular slab, end socket and are connected and composed an entirety；Sealed by sealing nut by O type O-ring seal between right side end socket and the inlet/outlet pipe of refrigerating medium, sealing space outside constituting refrigerating medium circulation line, in housing and the sealing space within refrigerating medium circulation line, tap water is loaded in loading refrigerating medium, housing in refrigerating medium circulation line.
For ease of assembling, the external diameter of fins set left and right sides annular slab, less than the internal diameter of housing, is between annular slab with housing to coordinate；The external diameter of left and right sides end socket, less than the internal diameter of left and right sides annular slab, is between end socket with annular slab to coordinate.
Preferably, described cylindrical finned heat exchanger is made up of following manner: between fin, fin, refrigerating medium circulation pipe both sides are fins set left and right sides end plate, fins set left and right sides annular slab.Left and right sides end plate is fixed bolt with left and right sides annular slab by fins set end plate and annular slab and is fixed；Fix by fixing bolt between left and right sides end plate between left and right sides end plate；Refrigerating medium inlet tube is connected with refrigerating medium import separating tube, and refrigerating medium import separating tube is connected with refrigerating medium circulation pipe between fin；Refrigerating medium outlet is connected with refrigerating medium outlet concentrate tube, and refrigerating medium outlet concentrate tube is connected with refrigerating medium circulation pipe between fin.
Preferably, a fins set is constituted by end plate on the left of end plate, fins set on the right side of refrigerating medium circulation pipe, fins set between fin, fin, the version of each fins set is similar to the version of liquia air heat exchanger, owing to the coefficient of heat transfer between liquid-liquid is bigger, therefore, at this moment needing fin area less, the spacing between fin is bigger, the row of refrigerating medium circulation pipe between fins set vertical fin, can be 2 rows, 3 rows, 4 rows.
Preferably, for expanding headspace to ice, in the inside radius of housing and cylindrical finned heat exchanger, the difference of the outer radius of fin is more than the spacing between fin.
Preferably, the sealing nut on the end socket of right side, when caliber is more than DN50, the mode of Flange joint can be used.
Preferably, described end socket is made up of nonrigid material with shell flange gasket seal.
The work process of ice storage heat vessel:
Cool-storage in summer:
Startup water-water heat pump in the trough-electricity time period:
Evaporator end: leaving water temperature 7 DEG C-3.3 DEG C, return water temperature 12 DEG C-2 DEG C, refrigerating medium enters ice storage heat vessel by circulation line, heat energy in water in extraction vessel, when the return water temperature of refrigerating medium arrives certain numerical value of less than 0 DEG C (such as-1 DEG C), just in cylindrical finned heat exchanger, knot has expired ice or ice crystal, and the surrounding of cylinder finned heat exchanger remains the water of 0 DEG C, ice expands and makes the water of around 0 DEG C enter into expanded exhaust tank by exhaust overflow pipe, now, evaporator end completes the process of cold storage of ice making, and water-water heat pump quits work；
Condenser end: for there being the occasion of demand health hot water, such as hotel, bath center etc., the cooling water of the discharged heat energy of condenser end be introduced into health hot water attemperater circulation be warming up to 45 DEG C-50 DEG C in case use, unnecessary heat energy is discharged in air by cooling tower；
If counting producing health hot water, now water-water heat pump can reach 1:6 in the Energy Efficiency Ratio (cop value) that the time period of trough-electricity is run.
Summer cold release:
Water-water heat pump is out of service in the time period of non-trough-electricity, and refrigerating medium enters into ice storage heat vessel by circulation line, and in extraction vessel, the cold of ice passes to terminal temperature difference to plate type heat exchanger cold.
Accumulation of heat in winter:
Starting electric boiler in the time period of trough-electricity, water-water heat pump quits work, and the water in ice storage heat vessel is warmed to 94 DEG C.
Winter heat release:
Electric boiler is out of service in the time period of non-trough-electricity, and refrigerating medium enters into ice storage heat vessel by circulation line, and in extraction vessel, the heat energy of water transfers heat to terminal temperature difference to plate type heat exchanger；
When the water temperature in container drops to below 35 DEG C, plate type heat exchanger quits work, water-water heat pump is started working, the heat energy of water in evaporator end refrigerating medium extraction ice storage heat vessel, water temperature is dropped to 2 DEG C from 35 DEG C, and condenser end rises to 45 DEG C-50 DEG C recirculated water water temperature and its heat energy is flowed to terminal temperature difference；
Now, the comprehensive energy efficiency that water-water heat pump ran in the non-trough-electricity time period is than for 1:4, then, often carry the heat energy of 1kg water, the power consumption of heat pump is (35-2) * 4.186/4=34.5kj, and therefore, the power consumption of non-trough-electricity only accounts for the 34.5/385=9% of trough-electricity power consumption；
Heat demand amount in winter is more than to the user in the area of cold in summer, or when the lowest temperature weather end thermal demand amount is bigger winter, water temperature in ice storage heat vessel can be dropped to freezing point and form the ice of 0 DEG C, now, in ice storage heat vessel, the amount of stored heat of water can reach 728kj/kg, and this amount of stored heat is bigger than the amount of stored heat of solid heat storage brick 150 DEG C-750 DEG C.
The beneficial effects of the utility model:
This utility model compared with prior art, has the following advantages and salience effect:
A), ice storage heat vessel, cold storage of ice making lets cool, ice-melt accumulation of heat exothermal efficiency is high, and equipment is simple to operate, is mainly used in field of air conditioning and the field of heating of accumulation of heat in winter utilizing trough-electricity cold storage of ice making in summer；
B), summer when utilizing low valley electric, can cooling water heat energy also store, the Energy Efficiency Ratio in summer is up to 1:6；
C), the quantity of heat storage in ice storage heat vessel winter big, the temperature of heat accumulation 2 DEG C-94 DEG C, the temperature 94 DEG C-2 DEG C of release heat, now, the source pump power consumption in the non-trough-electricity time period is the 9% of trough-electricity power consumption；For the user that thermal demand amount in winter is big, or during the lowest temperature weather, the electrically heated temperature of low ebb can be the ice-out of 0 DEG C and be heated to 94 DEG C, during heat energy release, water is dropped to 0 DEG C from 94 DEG C and forms ice, and the amount of stored heat of water is up to 728kj/kg.
Accompanying drawing explanation
Fig. 1 is fundamental diagram of the present utility model；
Fig. 2 is ice storage heat vessel structure chart；
Fig. 3 is the cylindrical main pseudosection of finned heat exchanger structure；
Fig. 4 is casing cross-section figure；
Fig. 5 is left side end socket profile；
Fig. 6 is right side end socket profile；
Fig. 7 is left side end socket and housing, cylindrical finned heat exchanger junction partial enlarged drawing；
Fig. 8 is right side end socket and housing, cylindrical finned heat exchanger junction partial enlarged drawing；
Fig. 9 is cylindrical finned heat exchanger right view；
Figure 10 is sealing nut, O type O-ring seal junction partial enlarged drawing.
In figure: sequence number and the title of each parts are as follows:
1, ice storage heat vessel；2, exhaust overflow pipe；3, end socket and shell flange gasket seal；4, housing；5, end socket and shell flange fix bolt；6, fins set end plate and annular slab fix bolt；7, housing heat-insulation layer；8, right side end socket；9, refrigerating medium import separating tube；10, sealing nut；11, refrigerating medium inlet tube；12, O type O-ring seal；13, water inlet；14, refrigerating medium outlet；15, refrigerating medium outlet concentrate tube；16, fins set right circular plate；17, end plate on the right side of fins set；18, bolt is fixed between end plate on the right side of fins set；19, refrigerating medium circulation pipe between fin；20, fin；21, cylindrical finned heat exchanger；22, end plate on the left of fins set；23, annular slab on the left of fins set；24, left side end socket；25, bolt is fixed between end plate on the left of fins set；26, expanded exhaust tank；27, pipe valve 27；28, pipe valve 28；29, vaporizer；30, water-water heat pump；31, compressor；32, refrigerant circulation line；33, condenser；34, pipe valve 34；35, pipe valve 35；36, cooling tower；37, health hot water attemperater；38, check valve；39, terminal temperature difference；40, end water circulating pump；41, plate type heat exchanger；42, pipe valve 42；43, condenser end water circulating pump；44, bypass valve；45, electric boiler；46, expansion valve；47, refrigerating medium circulation line；48, pipe valve 48；49, evaporator end water circulating pump.
Detailed description of the invention
Seeing Fig. 1, this utility model provides a kind of trough-electricity heat storage and cold accumulation heat-pump air-conditioner, is made up of the equipment of ice storage heat vessel 1 and water-water heat pump 30 and two ends.The evaporator end of water-water heat pump 30 includes: ice storage heat vessel 1, expanded exhaust tank 2, electric boiler 45, evaporator end water circulating pump 49, pipe valve 27,28,48；Condenser end includes: cooling tower 36, plate type heat exchanger 41, health hot water attemperater 37, end water circulating pump 40, condenser end water circulating pump 43, and pipe valve 34,35,42, terminal temperature difference 39 forms.Circulatory mediator in evaporator end circulation line 47 is refrigerating medium；Circulatory mediator in condenser end circulation line is tap water.
See Fig. 2 ice storage heat vessel 1 to be made up of following parts:
Housing 4, housing heat-insulation layer 7, right side end socket 8, left side end socket 24, cylindrical finned heat exchanger 21, water inlet 13, exhaust overflow pipe 2, sealing nut 10, O type O-ring seal 12, end socket and shell flange gasket seal 3, end socket and shell flange fix bolt 5, refrigerating medium inlet tube 11, refrigerating medium outlet 14, refrigerating medium import separating tube 9, refrigerating medium outlet concentrate tube 15, fin 20, refrigerating medium circulation pipe 19 between fin, fins set right circular plate 16, end plate 17 on the right side of fins set, bolt 18 is fixed between end plate on the right side of fins set, annular slab 23 on the left of fins set, end plate 22 on the left of fins set, bolt 25 is fixed between end plate on the left of fins set, fins set end plate and annular slab fix bolt 6.
See Fig. 3, Fig. 9 cylinder finned heat exchanger 21 to be made up of following parts:
Fin 20, refrigerating medium circulation pipe 19 between fin, on the left of fins set on the left of end plate 22 and fins set annular slab 23 to fix bolt 6 by fins set end plate and annular slab fixing；On the right side of fins set, to fix bolt 6 by fins set end plate and annular slab fixing for end plate 17 and fins set right circular plate 16；By holding fixing bolt 25 to fix on the left of fins set between end plate between end plate on the left of fins set；Fix by fixing bolt 18 on the right side of fins set between end plate between end plate on the right side of fins set；Refrigerating medium inlet tube 11 is connected with refrigerating medium import separating tube 9；Refrigerating medium import separating tube 9 is connected with refrigerating medium circulation pipe 19 between fin；Refrigerating medium outlet 14 is connected 15 with refrigerating medium outlet concentrate tube；Refrigerating medium outlet concentrate tube 15 is connected with refrigerating medium circulation pipe 19 between fin.
Water-water heat pump 30 is made up of following parts:
Vaporizer 29, condenser 33, compressor 31, expansion valve 46, refrigerant circulation line 32.
Housing 4, left side end socket 24, right side end socket 8, cylindrical finned heat exchanger 21, the assembly relation between refrigerating medium import and export pipe 11,14:
It is to coordinate between housing 4 with the left and right sides annular slab 16,23 on cylindrical finned heat exchanger 21, ￠ 1 ￠ 2；It is to coordinate between left and right sides annular slab 16,23 with left and right sides end socket 8,24, ￠ 2 ￠ 3；It is to coordinate between refrigerating medium import and export pipe 11,14 and right side end socket 8 on the end socket 8 of right side, ￠ 4 ￠ 5.
The work process of ice storage heat vessel 1:
Cool-storage in summer:
Startup water-water heat pump 30 in the trough-electricity time period:
Evaporator end: leaving water temperature 7 DEG C-3.3 DEG C, return water temperature 12 DEG C-2 DEG C, open pipe valve 28；Blind off a line valve 27,48；Open evaporator end water circulating pump 49, refrigerating medium enters ice storage heat vessel 1 by circulation line, heat energy in water in extraction vessel, when the return water temperature of refrigerating medium arrives certain numerical value of less than 0 DEG C (such as-1 DEG C), just in cylindrical finned heat exchanger 21, knot has expired ice or ice crystal, and the surrounding of cylinder finned heat exchanger 21 remains the water of 0 DEG C, ice expands the water making around 0 DEG C and enters into expanded exhaust tank 26 by exhaust overflow pipe 2, now, evaporator end completes the process of cold storage of ice making, and water-water heat pump 30 quits work；
Condenser end: valve 42 of blinding off a line；For there being the occasion of demand health hot water, such as hotel, bath center etc., opening condenser end water circulating pump 43, cooling water is introduced into health hot water attemperater 37 circulation and is warming up to 45 DEG C-50 DEG C in case using, now, pipe valve 35 to be opened, valve 34 of blinding off a line；After water heating completes, valve 35 of blinding off a line, unlatching pipe valve 34, unnecessary heat energy is discharged in air by cooling tower 36.
Summer cold release:
Blind off a line valve 28,27,42, open pipe valve 48, open evaporator end water circulating pump 49, open end water circulating pump 40, close condenser end water circulating pump 43, open bypass valve 44, plate type heat exchanger 41 is in running order, water-water heat pump 30 is out of service in the time period of non-trough-electricity, and refrigerating medium enters into ice storage heat vessel 1 by refrigerating medium circulation line 47, and in extraction vessel, the cold of ice passes to terminal temperature difference 39 through bypass valve 44 to 41 colds of plate type heat exchanger；
When extreme high temperature in summer weather cold storage capacity can not meet end demand, open pipe valve 28,27；Blind off a line valve 48,42, open bypass valve 44, open evaporator end water circulating pump 49, open end water circulating pump 40, plate type heat exchanger 41 is in running order, opens condenser end water circulating pump 43, opens pipe valve 34, opening water-water heat pump 30, the chilled water that water-water heat pump 30 evaporator end produces passes to terminal temperature difference 39 through bypass valve 44 to 41 colds of plate type heat exchanger；The heat energy of condenser end cooling water is discharged in air by cooling tower 36.
Accumulation of heat in winter:
Blind off a line valve 28,27, to open pipe valve 48, close bypass valve 44, the time period of trough-electricity starts electric boiler 45, water-water heat pump 30 quits work, and opens evaporator end water circulating pump 49, and the water in ice storage heat vessel 1 is warmed to 94 DEG C.
Winter heat release:
Electric boiler 45 is out of service in the time period of non-trough-electricity, open bypass valve 44, blind off a line valve 28,27,42, open pipe valve 48, opening evaporator end water circulating pump 49, open end water circulating pump 40, plate type heat exchanger 41 is in running order, refrigerating medium enters into ice storage heat vessel 1 by refrigerating medium circulation line 47, and in extraction vessel, the heat energy of water transfers heat to terminal temperature difference 39 through bypass valve 44 to plate type heat exchanger 41；
When the water temperature in ice storage heat vessel 1 drops to below 35 DEG C:
Evaporator end: opening pipe valve 28, valve 27,48 of blinding off a line, open evaporator end water circulating pump 49, water-water heat pump 30 works, and water temperature is dropped to 2 DEG C from 35 DEG C；
Condenser end: open condenser end water circulating pump 43, open pipe valve 42, blind off a line valve 34,35, close end water circulating pump 40, plate type heat exchanger 41 quits work, water-water heat pump 30 works, and the water temperature of cooling water is risen to 40 DEG C-50 DEG C and through check valve 38, its heat energy is flowed to terminal temperature difference 39；
When winter run into extreme low temperature weather end thermal demand amount bigger time, the water temperature in ice storage heat vessel 1 can be dropped to freezing point and form the ice of 0 DEG C, now, in container, the amount of stored heat of water is up to 728kj/kg.
When ice storage heat vessel 1 combines with air source heat pump, the field of air conditioning at cold storage of ice making in summer can be applied: the water in ice storage heat vessel 1 is made the ice of 0 DEG C by the chilled water (anti-icing fluid) that during cold-storage, air source heat pump produces, and when letting cool, the cold of ice in ice storage heat vessel 1 is released to terminal temperature difference 39；During winter heating, air source heat pump the hot water (or anti-icing fluid) produced is supplied directly to terminal temperature difference 39, and ice storage heat vessel 1 only serves the equalizing and buffering effect of heat.
Claims (6)
- null1. a trough-electricity heat storage and cold accumulation heat-pump air-conditioner，It is made up of the equipment of ice storage heat vessel and water-water heat pump and two ends，Ice storage heat vessel is by housing、Housing heat-insulation layer、Right side end socket、Left side end socket、Cylindrical finned heat exchanger、Water inlet、Exhaust overflow pipe、Sealing nut、O type O-ring seal、End socket and shell flange gasket seal、End socket and shell flange fix bolt、Refrigerating medium inlet tube、Refrigerating medium outlet、Refrigerating medium import separating tube、Refrigerating medium outlet concentrate tube、Fin、Refrigerating medium circulation pipe between fin、Fins set right circular plate、End plate on the right side of fins set、Bolt is fixed between end plate on the right side of fins set、Annular slab on the left of fins set、End plate on the left of fins set、Bolt is fixed between end plate on the left of fins set、Fins set end plate and annular slab are fixed bolt and are constituted，It is characterized in that，Cylindrical finned heat exchanger it is provided with in housing，Left and right sides end socket、Housing、Cylindrical finned heat exchanger is by fins set left and right sides annular slab、End socket and shell flange gasket seal、End socket and shell flange are fixed bolt and are connected and composed an entirety，Sealed by sealing nut by O type O-ring seal between right side end socket and the inlet/outlet pipe of refrigerating medium.
- Heat-pump air-conditioner the most according to claim 1, it is characterized in that, described cylindrical finned heat exchanger is made up of annular slab on the left of end plate, fins set right circular plate, fins set on the right side of end plate, fins set on the left of refrigerating medium circulation pipe, fins set between fin, fin, fix by fixing bolt between left and right sides end plate between left and right sides end plate, fixed bolt by fins set end plate and annular slab between left and right sides annular slab and left and right sides end plate and fix.
- Heat-pump air-conditioner the most according to claim 1, it is characterized in that, between described fin, fin, on the right side of refrigerating medium circulation pipe, fins set, on the left of end plate, fins set, end plate constitutes a fins set, the row of refrigerating medium circulation pipe between each fins set vertical fin, can be 2 rows, 3 rows, 4 rows.
- Heat-pump air-conditioner the most according to claim 1, it is characterized in that, leaving, around described cylindrical finned heat exchanger and between housing, the space that ice expands, in the inside radius of housing and cylindrical finned heat exchanger, the difference of the outer radius of fin is more than the spacing between fin.
- Heat-pump air-conditioner the most according to claim 1, it is characterised in that described sealing nut, when caliber is more than DN50, can use the mode of Flange joint.
- Heat-pump air-conditioner the most according to claim 1, it is characterised in that described end socket and shell flange gasket seal, is made up of nonrigid material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620323315.4U CN205505272U (en) | 2016-04-18 | 2016-04-18 | Low ebb electricity heat accumulation cold -storage heat pump air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620323315.4U CN205505272U (en) | 2016-04-18 | 2016-04-18 | Low ebb electricity heat accumulation cold -storage heat pump air conditioner |
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| CN205505272U true CN205505272U (en) | 2016-08-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105698319A (en) * | 2016-04-18 | 2016-06-22 | 王言明 | Heat pump air-conditioner for storing heat and cold through off-peak electricity |
| CN113915699A (en) * | 2021-10-14 | 2022-01-11 | 中国科学院电工研究所 | Compact cold accumulation device |
-
2016
- 2016-04-18 CN CN201620323315.4U patent/CN205505272U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105698319A (en) * | 2016-04-18 | 2016-06-22 | 王言明 | Heat pump air-conditioner for storing heat and cold through off-peak electricity |
| CN113915699A (en) * | 2021-10-14 | 2022-01-11 | 中国科学院电工研究所 | Compact cold accumulation device |
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