CN107843039A - One kind energy-conservation dynamic plate ice heat pump - Google Patents
One kind energy-conservation dynamic plate ice heat pump Download PDFInfo
- Publication number
- CN107843039A CN107843039A CN201711360053.4A CN201711360053A CN107843039A CN 107843039 A CN107843039 A CN 107843039A CN 201711360053 A CN201711360053 A CN 201711360053A CN 107843039 A CN107843039 A CN 107843039A
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- Prior art keywords
- evaporator
- ice
- valve
- hot
- heating
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C1/00—Producing ice
- F25C1/12—Producing ice by freezing water on cooled surfaces, e.g. to form slabs
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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
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C5/00—Working or handling ice
- F25C5/02—Apparatus for disintegrating, removing or harvesting ice
- F25C5/04—Apparatus for disintegrating, removing or harvesting ice without the use of saws
- F25C5/08—Apparatus for disintegrating, removing or harvesting ice without the use of saws by heating bodies in contact with the ice
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/85—Food storage or conservation, e.g. cooling or drying
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Production, Working, Storing, Or Distribution Of Ice (AREA)
Abstract
One kind energy-conservation dynamic plate ice heat pump, including heating major circulatory system and hot-gas bypass branch road, evaporator is grouped, every group in parallel using multi-disc inflation type evaporator, each group ice-melt in turn, ice making, heating major circulatory system, continuous heating is run always, evaporator connects high-pressure reservoir by refrigerated medium pump in hot-gas bypass branch road, partially liq refrigerant backflows valve as overheat hot gas cooling by liquid, deicing processes are gently steady, system circulation stable technical process, efficiently, the supporting cost of unit is low, the latent heat of phase change heating of energy high efficiency extraction water-ice, ice making evaporator cost is low, heat transfer efficiency is high, evaporating temperature is high, power consumption is low, ice making capacity is big.
Description
Technical field
The present invention relates to refrigeration technology field, especially a kind of energy-conservation dynamic plate ice heat pump.
Background technology
Air source heat pump take into account cold and heat supply, occupy little space, energy-saving and environmental protection, the advantages that facilitating, but air source heat pump machine
Not only heating efficiency is low under worst cold case for unit in winter, and its frosting defrosting problem is also to influence net for air-source heat pump units winter heating
An important factor for ability and operational efficiency, its design conditions must also meet local extreme low temperature condition, cause air source heat pump
Crew qiting power is big, and overall cost is high, and efficiency is low.Water resource heat pump is energy-efficient refrigerating ＆ heating apparatus, but is needed big
Amount 10 DEG C -25 DEG C of warm water resource, in the winter time, more than 10 DEG C warm water resource wretched insufficiencies of northern area, water resource heat pump at present
Large-scale application is limited by very strict.Water, which is changed into ice, can release a large amount of 0 DEG C of latent heat of phase change, equivalent to homogenous quantities 80
The sensible heat of the water of DEG C temperature difference, winter, more than 10 DEG C of warm water resource shortage, more than the 0 DEG C earth's surface cold water not frozen（Rivers,lakes and seas
Water, reclaimed water）Resource is but relatively abundant, using ice machine come ice discharging of intaking, can extract the water-ice latent heat of phase change of high heat density
As low-grade heat source.The conventional ice maker such as winter such as plate ice machine, slice ice machine, block ice machine can extract water-ice latent heat of phase change, summer
Season can also low price paddy electricity period ice making ice-reserving at night, but ice making nominal condition evaporating temperature, below -18 DEG C, energy consumption is very
Height, investment is very big, less economical.Conventional plate ice machine uses tube-sheet heat exchanger or plate type heat exchanger, tube-sheet heat exchanger or
Plate type heat exchanger is made using stainless steel plate soldering or laser welding, and costly, heat transfer efficiency is relatively low.At present, it is conventional
The hot fluorine defrosting ice-melt of plate ice machine generally use deices, and unit ice-make cycle system intermittent duty, efficiency is low, and to compressor and
The requirement of its refrigeration system is very high, very low, it is necessary to using low temperature impact compressor and its accessory plus ice maker evaporator temperature, is
Deployment cost of uniting is too high；Accurate control of the expansion valve to circularly cooling agent flux directly affects the stability, ability, effect of system
Rate, patent application《A kind of continuous defroster of hot-gas bypass pressurization backflow》There is provided a kind of hot-gas bypass pressurization backflow continuous ice-melt
Device, the accurate control of expansion valve during defrosting is ensured, whole unit cyclical stability is greatly improved, but compresses
Machine outlet hot air temperature is generally very high, can be more than 100 DEG C, and overheated gas is directly entered ice-melt evaporator, can cause evaporator
It is local cold and hot irregular, easily cause evaporator to deform, influence the selection of evaporator and deice performance and evaporator service life.Therefore
Prior art has much room for improvement and developed.
The content of the invention
The technical problem to be solved in the present invention is：There is provided one kind can high efficiency extraction water-ice latent heat of phase change heating, ice making steam
Send out that device cost is low, heat transfer efficiency is high, ice-melt deice process ice making evaporator be heated evenly, main frame circulatory system continuous-stable, machine
Assemble the low energy-conservation dynamic plate ice heat pump of set cost.
The present invention technical solution be：One kind energy-conservation dynamic plate ice heat pump, including heating major circulatory system and hot gas
Bypass branch, it also includes pipeline, valve and the detecting and controlling system being connected in system；Wherein, the heating major cycle system
System includes being sequentially connected and forming evaporator, compressor, condenser, high-pressure reservoir, the expansion valve in loop；The evaporator is adopted
With inflation type evaporator, the evaporator is divided into multigroup parallel connection, and every group of evaporator is in parallel using multi-disc inflation type evaporator, and water leads to
To cross water-locator spray on an evaporator, switched using Valve controlling, each group evaporator heat absorption ice making, ice-melt deice alternately,
Inflation type evaporator is the heat exchanger being combined using double-deck aluminium sheet, is after the surface of aluminum plate of certain specification is handled, in aluminium
The pattern of evaporation tubes is stamped on plate involutory surface with only solder flux, then is carried out by the hot rolled joining process of composite panel, then with nitrogen
Inflation, hollow refrigerant flow path is directly formed in clad aluminium, have that light, corrosion-resistant, heat transfer efficiency is high, long lifespan, stream
The features such as road flexible design, easy volume production, cost are low, nontoxic, waste material is easily recycled, roll-bond evaporator shortcoming are that intensity is relatively low easily
Temperature distortion, every inflation type evaporator top and the right and left all use U-shaped flanging, there is fixing hole on U-shaped flanging base, and three
Face is fixed, and prevents inflation type evaporator from distorting；Condenser connects air conditioning terminal, and heat is provided for air conditioning terminal；Wherein, the hot gas
Bypass branch includes the compressor, the evaporator, refrigerated medium pump, the high-pressure reservoir being sequentially connected, the evaporation
Device connects the high-pressure reservoir by the refrigerated medium pump, has liquid between refrigerated medium pump outlet and the evaporator
Backflowed valve, and the refrigerant of reflux accumulator buffering condensation liquefaction can be used between the evaporator and the refrigerated medium pump, from
The compressor outlet draws bypass high pressure overheat hot gas, controls bypass high pressure to overheat hot gas flow, smooth institute by by-passing valve
Compressor outlet refrigerant gas pressure change is stated, overheat hot gas is backflowed with being exported from the refrigerated medium pump by the liquid
The liquid refrigerant mixing of valve control flow, liquid refrigerant heat absorption evaporation, avoids hyperthermia and superheating hot gas from being directly entered evaporator,
Overheating hot air temperature reduces the saturated vapor for turning into lower temperature, enters back into condensation liquefaction in the evaporator group for need ice-melt, cold
Solidifying refrigerant flows into the high-pressure reservoir through the reflux accumulator with refrigerated medium pump pressurization, and partially liq refrigerant is again
Valve is backflowed as overheat hot gas cooling by the liquid, so, overheat hot gas does not have thermal shock to evaporator, prevents inflation type from steaming
Device deformation is sent out, ice-melt deices influence of the process to refrigerant flow, temperature and pressure stability in heating major circulatory system operation
Very little, complete machine operation continuous-stable is efficient, not only improves the ice making heating capacity and operational efficiency of unit, the supporting cost of unit
It is lower.The technical program applies also for plate ice machine, water heater, dryer etc..
The beneficial effects of the invention are as follows：High efficiency extraction water-ice latent heat of phase change heats, and ice making evaporator cost is low, heat transfer efficiency
Height, ice making evaporator evaporating temperature is high, power consumption is low, ice making capacity is big, and continuous ice-melt, ice-melt deices process ice making evaporator and is heated
Uniformly, deicing processes are gently steady, small to circulatory system refrigerant flow, temperature, pressure influence, and system circulation technical process is steady
Fixed, efficiency high, the supporting cost of unit are low.
Brief description of the drawings
Fig. 1 schematic structural views of the invention；
Description of reference numerals：1. compressor；2. by-passing valve；The valve 3. liquid backflows；4. condenser；5. high-pressure reservoir；6. refrigeration
Agent pump；7. expansion valve；8. reflux accumulator；9. the first ice-melt valve；10. the first heating valve；11. evaporator；12. second
Heat valve；13. the second ice-melt valve.
Embodiment
Embodiment：It is main to include heating major circulatory system and hot-gas bypass refering to Fig. 1, one kind energy-conservation dynamic plate ice heat pump
Branch road；It also includes pipeline, valve and the detecting and controlling system being connected in system；Evaporator is in parallel using three groups of heat exchangers,
Using heating valve and the control switching of ice-melt valve, each group heat exchanger heat absorption ice making, ice-melt deice alternately；One of which heat exchanger
Ice-melt is deiced, and other group of heat exchanger heat absorption ice making, continuous heating is run the heating major circulatory system always, and the evaporator is adopted
With inflation type evaporator, the evaporator is divided into multigroup parallel connection, and evaporator group 11 is in parallel using multi-disc inflation type evaporator, and water leads to
Water-locator spray is crossed on every inflation type evaporator, is switched using Valve controlling, each group evaporator heat absorption ice making, ice-melt deice
Alternately, the ice made is mixed into water after broken and pumped at water sources；Inflation type evaporator is to use double-deck aluminium sheet
The heat exchanger being combined, it is after the surface of aluminum plate processing by certain specification, evaporation is stamped with only solder flux on aluminium sheet involutory surface
The pattern of pipeline, then inflation is carried out by the hot rolled joining process of composite panel, then with nitrogen, directly formed in clad aluminium hollow
Refrigerant flow path, have that light, corrosion-resistant, heat transfer efficiency is high, long lifespan, runner design are flexible, easy volume production, cost are low, nothing
Poison, waste material the features such as being easily recycled, be intensity relatively low easy temperature distortion the shortcomings that roll-bond evaporator, every inflation type evaporator
Top and the right and left all use U-shaped flanging, have fixing hole on U-shaped flanging base, three faces are fixed, and prevent inflation type evaporator from turning round
It is bent；The condenser 4 connects air conditioning terminal, and heat is provided for air conditioning terminal.When evaporator group 11 runs heating mode, the first heating
Valve 10, second heats valve 12 and opened, and the first ice-melt valve 9, the second ice-melt valve 13 are closed, and the heating major circulatory system is included successively
Connect and form loop the evaporator group 11, it is described second heating valve 12, compressor 1, condenser 4, high-pressure reservoir 5,
Expansion valve 7, the first heating valve 10.The evaporator group 11 heats ice making ice sheet and reaches predetermined thickness and the effect that exchanges heat for a long time
When rate reduces, operation ice-melt deices pattern, and the first heating valve 10, the second heating valve 12 are closed, first ice-melt
Valve 9, the second ice-melt valve 13 are opened, the normal evaporation endothermic heating operation of other group of evaporator, hot-gas bypass branch road include according to
The compressor 1 of secondary connection, by-passing valve 2, the first ice-melt valve 9, the evaporator group 11, the second ice-melt valve 13,
Reflux accumulator 8, refrigerated medium pump 6, high-pressure reservoir 5, and have liquid between refrigerated medium pump outlet and the evaporator
Body backflows valve 3；Bypass high pressure overheat hot gas, control bypass are drawn from the outlet of the compressor 1 of the heating major circulatory system
High-pressure hot gas flow, the smooth compressor 1 export refrigerant gas pressure change, and overheat hot gas is with coming from the refrigerated medium pump
6 export the liquid refrigerant mixing for the control flow of valve 3 that backflowed by the liquid, liquid refrigerant heat absorption evaporation, avoid high temperature
Overheat hot gas is directly entered evaporator group 11, and overheat hot air temperature reduces the saturated vapor as lower temperature, refrigerant vapour
The condensation liquefaction in the evaporator group 11 for need to remove ice-melt, condensation liquefaction refrigerant is through the reflux accumulator 8 with the system
The pressurization of cryogenic fluid pump 6 flows into the high-pressure reservoir 5, returns to the heating major circulatory system, and partially liq refrigerant is from the system
Cryogenic fluid pump 6 exports to be mixed by the liquid valve 3 that backflows with the overheat hot gas exported from the compressor 1 again, for overheat heat
Gas cools.Using apparatus of the present invention, ice making evaporator refrigerant evaporating temperature can bring up to -8 DEG C from -18 DEG C, ice making heating
Efficiency and ability greatly improve, and using inflation type evaporator, ice making evaporator cost can also reduce by more than 70%；Heat ice making
Cyclic process continuous-stable, can use low-cost high-efficiency Conventional press and its accessory, and the supporting cost of refrigeration system is low；Ice-melt
Deice gently, be not easy to deform using aluminum inflation type evaporator；So, than that can be improved using traditional plate ice machine ice making heating
Unit heats ice making capacity more than 30% and improves operational efficiency about 30%, reduces cost 40%.
Above-listed detailed description is illustrating for possible embodiments of the present invention, and the embodiment simultaneously is not used to limit this hair
Bright the scope of the claims, all equivalence enforcements or change without departing from carried out by the present invention, it is intended to be limited solely by the scope of the claims of this case.
Claims (3)
1. one kind energy-conservation dynamic plate ice heat pump, including heating major circulatory system and hot-gas bypass branch road, it also includes phase in system
Pipeline, valve and the detecting and controlling system of connection；Wherein, the heating major circulatory system includes being sequentially connected and forming loop
Evaporator, compressor, condenser, high-pressure reservoir, expansion valve；Characterized in that, the evaporator uses inflation type evaporator.
2. a kind of energy-conservation dynamic plate ice heat pump according to claim 1, it is characterised in that the hot-gas bypass branch road includes
The compressor, the evaporator, refrigerated medium pump, the high-pressure reservoir being sequentially connected, the evaporator pass through the system
Cryogenic fluid pump connects the high-pressure reservoir, has liquid to backflow valve between refrigerated medium pump outlet and the evaporator.
A kind of 3. energy-conservation dynamic plate ice heat pump according to claim 1, it is characterised in that the inflation type evaporator top
U-shaped flanging is all used with the right and left, U-shaped flanging has fixing hole on base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711360053.4A CN107843039A (en) | 2017-12-18 | 2017-12-18 | One kind energy-conservation dynamic plate ice heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711360053.4A CN107843039A (en) | 2017-12-18 | 2017-12-18 | One kind energy-conservation dynamic plate ice heat pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107843039A true CN107843039A (en) | 2018-03-27 |
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ID=61664202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711360053.4A Pending CN107843039A (en) | 2017-12-18 | 2017-12-18 | One kind energy-conservation dynamic plate ice heat pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107843039A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110398094A (en) * | 2019-09-05 | 2019-11-01 | 罗良宜 | A kind of simple type ice making air source heat pump |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06347143A (en) * | 1993-06-10 | 1994-12-20 | Daikin Ind Ltd | Freezing apparatus |
| JPH08254385A (en) * | 1995-03-16 | 1996-10-01 | Fuji Electric Co Ltd | Defrosting system for freezing/refrigerating showcase |
| CN2859322Y (en) * | 2005-12-16 | 2007-01-17 | 珠海慧生能源技术发展有限公司 | Dynamic ice storage energy-saving units |
| CN201555400U (en) * | 2009-12-07 | 2010-08-18 | 福建雪人股份有限公司 | Double-plate evaporator |
| CN101929753A (en) * | 2010-02-09 | 2010-12-29 | 重庆远雄制冷成套设备有限公司 | Dual working condition refrigeration system for making ice and cold water |
| CN106839425A (en) * | 2017-01-10 | 2017-06-13 | 西安交通大学 | One kind bypass double loop fast heating type waste water source heat pump water heater and its control method |
-
2017
- 2017-12-18 CN CN201711360053.4A patent/CN107843039A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06347143A (en) * | 1993-06-10 | 1994-12-20 | Daikin Ind Ltd | Freezing apparatus |
| JPH08254385A (en) * | 1995-03-16 | 1996-10-01 | Fuji Electric Co Ltd | Defrosting system for freezing/refrigerating showcase |
| CN2859322Y (en) * | 2005-12-16 | 2007-01-17 | 珠海慧生能源技术发展有限公司 | Dynamic ice storage energy-saving units |
| CN201555400U (en) * | 2009-12-07 | 2010-08-18 | 福建雪人股份有限公司 | Double-plate evaporator |
| CN101929753A (en) * | 2010-02-09 | 2010-12-29 | 重庆远雄制冷成套设备有限公司 | Dual working condition refrigeration system for making ice and cold water |
| CN106839425A (en) * | 2017-01-10 | 2017-06-13 | 西安交通大学 | One kind bypass double loop fast heating type waste water source heat pump water heater and its control method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110398094A (en) * | 2019-09-05 | 2019-11-01 | 罗良宜 | A kind of simple type ice making air source heat pump |
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Application publication date: 20180327 |
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