CN106403375A - High-temperature steam heat pump system - Google Patents
High-temperature steam heat pump system Download PDFInfo
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- CN106403375A CN106403375A CN201610405181.5A CN201610405181A CN106403375A CN 106403375 A CN106403375 A CN 106403375A CN 201610405181 A CN201610405181 A CN 201610405181A CN 106403375 A CN106403375 A CN 106403375A
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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
- F25B30/02—Heat pumps of the compression type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
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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
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/006—Accumulators
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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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/001—Compression machines, plants or systems with reversible cycle not otherwise provided for with two or more accumulators
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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
- F25B2500/05—Cost reduction
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- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a high-temperature steam heat pump system. The high-temperature steam heat pump system comprises a heat pump unit, a heat preservation pressure stabilizing liquid storage barrel and a steam generator which are connected through pipelines. The heat pump unit comprises a main heat pump and an auxiliary heat pump. The main heat pump heats water in the heat preservation pressure stabilizing liquid storage barrel, and obtained hot water is supplied to a hot water using point and the steam generator. The steam generator further heats the hot water flowing into the steam generator under the action of the auxiliary heat pump so that high-temperature steam can be produced and supplied to a steam using point. Water cooled at the hot water using point and the steam using point flows back into the heat preservation pressure stabilizing liquid storage barrel. The pipelines where the heat preservation pressure stabilizing liquid storage barrel, the main heat pump and the steam generator are connected are provided with circulating pumps so that a water cycle can be formed. According to the high-temperature steam heat pump system, the boiling point of the hot water in the system can be improved by adjusting the pressure in the heat preservation pressure stabilizing liquid storage barrel, on this basis, the temperature is further increased by adding a steam system, then high-temperature water and the high-temperature steam are produced, and thus the heat pump system can be suitable for various occasions where high temperature is required.
Description
Technical field
The present invention relates to technical field of heat pumps, particularly a kind of high-temperature steam-generating heat pump system that can produce high-temperature water and high-temperature steam.
Background technology
Heat pump techniques be grown up based on inverse Carnot cycle principle a kind of energy-saving and environmental protection, safe and efficient energy utilization technology, it passes through to obtain Low Temperature Thermal from air or water, become high temperature heat source, for taking (confession) to warm up or hot-water supply after integrating through power driven compressor system acting efficient heat-collecting.Heat pump is the firing equipment of new generation after fuel oil, coal, vapour hot-water boiler, electrical heating and solar energy heating, is also the cleanest mode of heating.
Conventional heat pump is generally hot pump in low temp, and its whole system structure is simple, but has the disadvantages that：
1. the water temperature being provided that is low, generally below 90 DEG C of water temperature, method foot high water usage demand, the food heating of such as food industry, the sterilization of instruments of medical industry, the high water usage of electroplating industry；
2. pipeline is open, and evaporation capacity is larger, and corresponding moisturizing water consumption is big；
3. be no incubated water storage system, or insulation water storage system simple and crude it is impossible to heat accumulation when being selected according to electrical network peak valley, heat insulation effect is poor；
4. the thermal efficiency is relatively low, and by using the heat energy of in the air, efficiency can only achieve 120% about；
5. moisturizing adopts tap water, easily produces incrustation scale, leads to efficiency losses and pipeline corrosion.
Due to having the shortcomings that heating-up temperature is low, water consumption is big, heat insulation effect is poor, the thermal efficiency is low, its utilization and extention is seriously restricted conventional heat pump.
Content of the invention
The technical problem to be solved in the present invention is：There is provided a kind of high-temperature steam-generating heat pump system, it can produce high-temperature water higher than 100 DEG C and high-temperature steam so that heat pump can be applied to multiple high temperature demands occasions.
The technical scheme that the present invention takes is specially：A kind of high-temperature steam-generating heat pump system, including the heat pump unit being connected by pipeline, insulation voltage stabilizing liquid storing barrel and steam generator；
Heat pump unit includes main heat pump and assisted heat pump, is provided with water heating pipeline in main heat pump, and water heating pipeline two ends are output end of hot water and backflow end；Main heat pump can heat the water in pipeline to water and heat；
Assisted heat pump includes heating agent circulation line, is provided with hot water channel in steam generator, and the heating agent circulation line of assisted heat pump is passed through in steam generator, to realize the heat exchange of heating agent and water in hot water channel；
Insulation voltage stabilizing liquid storing barrel is airtight entire body, which is provided with pressure-regulating device, to adjust pressure in bucket；
Insulation voltage stabilizing liquid storing barrel is provided with water inlet, refluxing opening, outlet and water return outlet, and wherein water inlet connects the output end of hot water of main heat pump, and refluxing opening connects the backflow end of main heat pump；Insulation voltage stabilizing liquid storing barrel passes through outlet and conveys hot water to the hot water channel with water spot and steam generator；With water spot, the water that temperature reduces is delivered to the water return outlet of insulation voltage stabilizing liquid storing barrel；
The steam output end output steam of steam generator is to using steam points；With steam points, the water becoming after steam liquefied is delivered to the water return outlet of insulation voltage stabilizing liquid storing barrel；
It is respectively equipped with circulating pump on the pipeline that insulation voltage stabilizing liquid storing barrel is connected with main heat pump, steam generator.
In use, main heat pump major function is for the water at low temperature in heating and thermal insulation voltage stabilizing liquid storing barrel, during main heat pump work, the heating agent in copper pipe transfers heat to the water at low temperature in insulation voltage stabilizing liquid storing barrel through heat exchanger to the present invention.The major function of assisted heat pump is to heat the water after main heat pump again, forms high-temperature steam.During assisted heat pump work, the high temperature heating agent in pipeline flows through steam generator, can heat the hot water entering steam generator further, thus producing high-temperature steam.
Insulation voltage stabilizing liquid storing barrel may be configured as cylindrical enclosure staving, pressure scalable keeping in it, when adjusting the pressure rise making in insulation voltage stabilizing liquid storing barrel, the boiling point of liquid storage inner bucket water also accordingly raises so that heat pump can be by the circulating water heating in water heating pipeline to higher than 100 degrees Celsius.Water after the elevation of boiling point is still heated in a vapor generator, and then can produce high-temperature steam.Meanwhile, using being tightly connected between the system pipeline and each equipment, hot water only carries out heat exchange in sealing pipeline, therefore with respect to open pipe-line system, can substantially reduce the water yield for supplementing evaporating loss.
Insulation voltage stabilizing liquid storing barrel can adopt existing pressure adjustable type device for storing liquid, according to hot water water temperature demand, the pressure in liquid storing barrel is adjusted, thus change the boiling point of liquid storage inner bucket water, obtain corresponding high-temperature water.The hot water flowing out in liquid storing barrel is heated in the presence of assisted heat pump by steam generator further, produces high-temperature steam, for being used with steam points.
The high-temperature steam-generating heat pump system of the present invention also includes pressure manostat, and pressure manostat is connected to steam generator and between steam points.Pressure manostat is a pressure vessel, is mainly used in providing stable pressure to steam points, it is barrel-like structure, relief valve, pressure gauge and air intake are arranged at top, and discharge outlet and venthole are arranged at bottom.Pressure manostat can adopt and first use product.
Hot water channel in steam generator of the present invention is multiple taper pipes be arrangeding in parallel, and the heating agent circulation line of assisted heat pump is located within the steam generator cavity outside hot water channel.The abundant convection current between heating agent and hot water can be ensured, thus the water heating in hot water channel is become steam.Steam generator may be designed as cylinder, internal insulation sealing in addition to interface, and convenient installation takes up room little.
Further, the main heat pump of the present invention is made up of multiple heat pumps；Each heat pump includes heating agent circulation line respectively, and heating agent circulation line is sequentially provided with compressor, fluid reservoir and First Heat Exchanger；The outfan of compressor connects fluid reservoir；Water heats in the First Heat Exchanger that pipeline is located at each heat pump, and can carry out heat exchange with heating agent circulation line.Thus realizing the heating to insulation voltage stabilizing liquid storage inner bucket water.Multiple heat pumps can be combined using series winding form, in order to meet with water spot and with steam points the different amounts demand to hot water and steam, the capacity of the insulation voltage stabilizing liquid storing barrel of the present invention can suitably be adjusted, the heat pump series winding quantity of main heat pump also accordingly adjusts, to ensure the efficiency of heating surface to water for the main heat pump in the case of different moisture storage capacitys.
Further, in First Heat Exchanger, heating agent circulation line is wrapped on water heating pipeline.Or both also can mutually be wound around, realize the isolation between heating agent and recirculated water, heat exchanger effectiveness is higher simultaneously.
For simplied system structure, the First Heat Exchanger of each heat pump of the present invention is same heat exchanger, and the heating agent circulation line of each heat pump is respectively wound around on the water heating pipeline in First Heat Exchanger.This is also a kind of series winding form of the multiple heat pump of the present invention, achievable high-efficiency heating.
In order to improve the efficiency of heating surface of heating agent circulation line further, heating agent circulation line is additionally provided with the second heat exchanger and vaporizer；Second heat exchanger and vaporizer are connected with auxiliary heating agent circulation line；On auxiliary heating agent circulation line, auxiliary compressor, auxiliary fluid reservoir, the second heat exchanger and vaporizer are sequentially connected, and the outfan of auxiliary compressor connects auxiliary fluid reservoir.The heating agent after heat exchange cooling in First Heat Exchanger, when flowing through the second heat exchanger and vaporizer, heat on absorbable auxiliary heating agent circulation line, thus improving the basal temperature before entering compressor, make the heat medium temperature that compressor exports higher, the heat exchange efficiency of First Heat Exchanger also accordingly improves.
In the assisted heat pump of the present invention, heating agent circulation line is sequentially provided with the 3rd heat exchanger, the second vaporizer, compressor and fluid reservoir；The outfan of compressor connects fluid reservoir；Heating agent circulation line between fluid reservoir and the 3rd heat exchanger is passed through inside steam generator.
In order to improve the efficiency of heating surface of steam generating system, in assisted heat pump, it is additionally provided with auxiliary heating agent circulation line；On auxiliary heating agent circulation line, auxiliary the second compressor, auxiliary the second fluid reservoir, the 3rd heat exchanger are sequentially connected with the second vaporizer.
In the present invention, insulation voltage stabilizing liquid storing barrel is cylinder, and bucket wall includes inner and outer wall, is provided with heat preservation sandwich layer between inner and outer wall；The outer surface of the inner surface of inwall and outer wall is mirror finish face.Bucket wall construction can strengthen the heat insulation and preservation effect of liquid storing barrel, reduces heat loss.Through measuring, during 28 DEG C of room temperature, hot water barrel water storage 2000L, temperature drops to 80 DEG C from 100 DEG C about needs 50 hours.Present invention insulation voltage stabilizing liquid storing barrel heat loss is few, in electricity consumption trough, heat energy can be stored in bucket, be used for producing during electricity consumption crest, thus realizing heat accumulation when electrical network peak valley is selected.
Beneficial effect
The present invention, with respect to conventional heating system, has the following advantages：
1）Capacity usage ratio is high, and the efficiency of heating surface is approximately commonly electrically heated 1.5 times；
2）The pressure adjustable of insulation voltage stabilizing liquid storing barrel is so that hot water temperature can be more than 100 DEG C in heat exchanger；
3）Temperature control system is simple, need not arrange multiple overtemperature protection, need not arrange multiple low liquid level protection.
4）Insulation voltage stabilizing liquid storing barrel is capable of energy storage, and thermal losses is little, conveniently uses electricity in off-peak hours, as according to local electricity price feature, start heat pump in night low electricity price, by energy storage in thermal insulation water heating barrel, the heat energy in heat-preserving container is utilized to be used for producing heat supply in high electricity price, thus reducing electric cost.
5）Can use as cold water side-product and cold air from hot water point and with the cold water of steam points backflow, be applied to the less demanding occasion of cold water temperature（15~20℃）；
6) repair conveniently, water consumption is low, and in pipeline, incrustation scale is few, heat is lost and pipeline relative system all has great advantage；
7) no Boiler Steam chimney pollution problem.
Brief description
Fig. 1 show principle of the invention structural schematic block diagram；
Fig. 2 show present system structural representation；
Fig. 3 show mounting structure schematic front view of the present invention；
Fig. 4 show the overlooking the structure diagram of Fig. 3；
Heat pump principle structural representation based on shown in Fig. 5；
Fig. 6 show assisted heat pump theory structure schematic diagram.
Specific embodiment
Further describe below in conjunction with the drawings and specific embodiments.
In conjunction with shown in Fig. 1 to Fig. 4, the high-temperature steam-generating heat pump system of the present invention, including the heat pump unit 02 being connected by pipeline, insulation voltage stabilizing liquid storing barrel 01 and steam generator 03；
Heat pump unit 02 includes main heat pump and assisted heat pump, is provided with water heating pipeline in main heat pump, and water heating pipeline two ends are output end of hot water A1 and backflow end A2；Main heat pump can heat the water in pipeline to water and heat；
Assisted heat pump includes heating agent circulation line, is provided with hot water channel in steam generator 03, and the heating agent circulation line of assisted heat pump is passed through inside steam generator, to realize the heat exchange of heating agent and water in hot water channel；
With reference to Fig. 3 and Fig. 4, insulation voltage stabilizing liquid storing barrel 01 is airtight entire body, which is provided with pressure-regulating device, to adjust pressure in bucket；Insulation voltage stabilizing liquid storing barrel 01 is provided with water inlet 12, refluxing opening 13, outlet 14 and water return outlet 15, and wherein water inlet 12 connects the output end of hot water A1 of main heat pump, and refluxing opening 13 connects the backflow end A2 of main heat pump；Insulation voltage stabilizing liquid storing barrel 01 passes through outlet 14 and conveys hot water to the hot water channel with water spot 07 and steam generator 03；With water spot 07, the water that temperature reduces is delivered to the water return outlet 15 of insulation voltage stabilizing liquid storing barrel 01；
The steam output end 04 output steam of steam generator 03 is extremely with steam points 08；With steam points 08, the water becoming after steam liquefied is delivered to the water return outlet 15 of insulation voltage stabilizing liquid storing barrel 01；
It is respectively equipped with circulating pump 05 on the pipeline that insulation voltage stabilizing liquid storing barrel 01 is connected with main heat pump, steam generator 03.So that the operation of fluid is controlled, each pipeline is additionally provided with regulating valve 06.
In application, the pressure adjustable section of insulation voltage stabilizing liquid storing barrel 01 simultaneously keeps, when adjusting the pressure rise making in insulation voltage stabilizing liquid storing barrel, the boiling point of liquid storage inner bucket water also accordingly raises so that heat pump can be by the circulating water heating in water heating pipeline to higher than 100 degrees Celsius.Water after the elevation of boiling point is still heated in a vapor generator, and then can produce high-temperature steam.
Embodiment
As shown in Figures 2 and 3, in the present embodiment, insulation voltage stabilizing liquid storing barrel 01 is cylindrical enclosure staving, and bucket wall includes inner and outer wall, is provided with heat preservation sandwich layer 16 between inner and outer wall；The outer surface of the inner surface of inwall and outer wall is mirror finish face.Bucket wall construction can improve the heat insulation and preservation effect of liquid storing barrel, through measuring, during 28 DEG C of room temperature, hot water barrel water storage 2000L, and temperature drops to 80 DEG C from 100 DEG C about needs 50 hours.Steam generator 03 is also configured as cylinder, internal insulation sealing in addition to interface, and convenient installation takes up room little.It is passed through the heating agent circulation line within steam generator 03 to be full of in the space between taper hot water channel and outer wall, the time that heating agent flows through in steam generator can be increased, improve heat exchange efficiency.
Insulation voltage stabilizing liquid storing barrel 01 adopts existing pressure adjustable type device for storing liquid, as shown in figure 4, having pressure-regulating device, including pressue device, pressure relief opening, pressure-regulating valve etc. on insulation voltage stabilizing liquid storing barrel 01.User can be adjusted to the pressure in liquid storing barrel according to hot water water temperature demand, thus change the boiling point of liquid storage inner bucket water, obtain corresponding high-temperature water.The hot water flowing out in liquid storing barrel is heated in the presence of assisted heat pump by steam generator further, produces high-temperature steam, for being used with steam points.It is additionally provided with water filling port 11 on insulation voltage stabilizing liquid storing barrel 01.
In embodiment shown in Fig. 1 to Fig. 4, high-temperature steam-generating heat pump system also includes pressure manostat 04, and pressure manostat 04 is connected to steam generator 03 and between steam points.Pressure manostat 04 is a pressure vessel, is mainly used in providing stable pressure to steam points, it is barrel-like structure, relief valve, pressure gauge and air intake are arranged at top, and discharge outlet and venthole are arranged at bottom.
With reference to Fig. 2, Fig. 3, Fig. 6, the hot water channel in steam generator 03 is multiple taper pipes be arrangeding in parallel, and the heating agent circulation line of assisted heat pump B is located within the steam generator cavity outside hot water channel.The abundant convection current between heating agent and hot water can be ensured, thus the water heating in hot water channel is become steam.Steam generator is designed as cylinder, internal insulation sealing in addition to interface, and convenient installation takes up room little.
As shown in Figure 1, in the present embodiment, main heat pump is made up of multiple heat pump A, multiple heat pumps can be combined using series winding form, in order to meet with water spot and with steam points the different amounts demand to hot water and steam, the capacity of the insulation voltage stabilizing liquid storing barrel of the present invention can suitably be adjusted, the heat pump series winding quantity of main heat pump also accordingly adjusts, to ensure the efficiency of heating surface to water for the main heat pump in the case of different moisture storage capacitys.
As shown in figure 5, each heat pump in main heat pump includes heating agent circulation line respectively, each heating agent circulation line is sequentially provided with compressor 212, fluid reservoir 211 and First Heat Exchanger 210；The outfan of compressor 212 connects fluid reservoir 211；Water heating pipeline is located in First Heat Exchanger 210, and can carry out heat exchange with heating agent circulation line.
Specifically, in First Heat Exchanger, heating agent circulation line is wrapped on water heating pipeline.Or both also can mutually be wound around, realize the isolation between heating agent and recirculated water, heat exchanger effectiveness is higher simultaneously.
The series winding form of multiple heat pump of the present invention can be, First Heat Exchanger on each heat pump heating agent circulation line is same heat exchanger, setting water heating pipeline in this heat exchange, the heating agent circulation line of each heat pump all distinguishes winding water heating pipeline, i.e. the form for two heat pump series connection as shown in Figure 5, is corresponding with Fig. 1.Can also be that each heat pump is all provided with a First Heat Exchanger, in each First Heat Exchanger, be respectively equipped with water heating pipeline, each water heating pipeline connects insulation voltage stabilizing liquid storing barrel respectively, or connect insulation voltage stabilizing liquid storing barrel after multiple water heating pipeline series winding.
In order to improve the efficiency of heating surface of heating agent circulation line, heating agent circulation line is additionally provided with the second heat exchanger 214 and vaporizer 213；Second heat exchanger 214 and vaporizer 213 are connected with auxiliary heating agent circulation line；On auxiliary heating agent circulation line, auxiliary compressor 216, auxiliary fluid reservoir 215, the second heat exchanger 214 are sequentially connected with vaporizer 213, and the outfan of auxiliary compressor 216 connects auxiliary fluid reservoir 215.The heating agent after heat exchange cooling in First Heat Exchanger 210, when flowing through the second heat exchanger 214 and vaporizer 213, heat on absorbable auxiliary heating agent circulation line, thus improving the basal temperature before entering compressor 212, make the heat medium temperature that compressor 212 exports higher, the heat exchange efficiency of First Heat Exchanger 210 also accordingly improves.
As shown in fig. 6, in assisted heat pump B, heating agent circulation line is sequentially provided with the 3rd heat exchanger 223, the second vaporizer 222, compressor 221 and fluid reservoir 220；The outfan of compressor 221 connects fluid reservoir 220；Heating agent circulation line between fluid reservoir 220 and the 3rd heat exchanger 223, is passed through in steam generator 03 by inlet port 31 and outlet 32.
In order to improve the efficiency of heating surface of steam generating system, in assisted heat pump B, it is additionally provided with auxiliary heating agent circulation line；On auxiliary heating agent circulation line, auxiliary the second compressor 225, auxiliary the second fluid reservoir 224, the 3rd heat exchanger 223 are sequentially connected with the second vaporizer 222.
Heating agent in the heating agent circulation line of heat pump of the present invention can adopt existing high temperature mixed type heating agent.Adjusted by being incubated the pressure of voltage stabilizing water butt, the water temperature after heating can be made to reach 105 DEG C about, even more high, act on through steam generator and assisted heat pump again, water temperature can be made to reach 125 DEG C, disclosure satisfy that most of high-temperature water and the needs of high-temperature steam point of use, such as：
Can be applicable to food, medicine trade, for food steaming processing, high-temperature sterilization；
Can be applicable to the manufacturing industry that plating etc. need to be heated, with the heating of remaining cell body liquid medicine, substitute electric heater, reduce disaster hidden-trouble；
Can be used for the hot water supply such as hotel, hotel.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, on the premise of without departing from the technology of the present invention principle; some improvement can also be made and deform, these improve and deformation also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of high-temperature steam-generating heat pump system, is characterized in that, including the heat pump unit being connected by pipeline, insulation voltage stabilizing liquid storing barrel and steam generator；
Heat pump unit includes main heat pump and assisted heat pump, is provided with water heating pipeline in main heat pump, and water heating pipeline two ends are output end of hot water and backflow end；Main heat pump can heat the water in pipeline to water and heat；
Assisted heat pump includes heating agent circulation line, is provided with hot water channel in steam generator, and the heating agent circulation line of assisted heat pump is passed through in steam generator, to realize the heat exchange of heating agent and water in hot water channel；
Insulation voltage stabilizing liquid storing barrel is airtight entire body, which is provided with pressure-regulating device, to adjust pressure in bucket；
Insulation voltage stabilizing liquid storing barrel is provided with water inlet, refluxing opening, outlet and water return outlet, and wherein water inlet connects the output end of hot water of main heat pump, and refluxing opening connects the backflow end of main heat pump；Insulation voltage stabilizing liquid storing barrel passes through outlet and conveys hot water to the hot water channel with water spot and steam generator；With water spot, the water that temperature reduces is delivered to the water return outlet of insulation voltage stabilizing liquid storing barrel；
The steam output end output steam of steam generator is to using steam points；With steam points, the water becoming after steam liquefied is delivered to the water return outlet of insulation voltage stabilizing liquid storing barrel；
It is respectively equipped with circulating pump on the pipeline that insulation voltage stabilizing liquid storing barrel is connected with main heat pump, steam generator.
2. high-temperature steam-generating heat pump system according to claim 1, is characterized in that, also includes pressure manostat, and pressure manostat is connected to steam generator and between steam points.
3. the high-temperature steam-generating heat pump system according to claims 1, is characterized in that, the hot water channel in steam generator is multiple taper pipes be arrangeding in parallel, and the heating agent circulation line of assisted heat pump is located within the steam generator cavity outside hot water channel.
4. the high-temperature steam-generating heat pump system according to any one of claims 1 to 3, is characterized in that, main heat pump is made up of multiple heat pumps；
Each heat pump includes heating agent circulation line respectively, and heating agent circulation line is sequentially provided with compressor, fluid reservoir and First Heat Exchanger；The outfan of compressor connects fluid reservoir；Water heats in the First Heat Exchanger that pipeline is located at each heat pump, and can carry out heat exchange with heating agent circulation line.
5. high-temperature steam-generating heat pump system according to claim 4, is characterized in that, in First Heat Exchanger, heating agent circulation line is wrapped on water heating pipeline.
6. high-temperature steam-generating heat pump system according to claim 5, is characterized in that, the First Heat Exchanger of each heat pump is same heat exchanger, and the heating agent circulation line of each heat pump is respectively wound around on the water heating pipeline in First Heat Exchanger.
7. high-temperature steam-generating heat pump system according to claim 4, is characterized in that, heating agent circulation line is additionally provided with the second heat exchanger and vaporizer；Second heat exchanger and vaporizer are connected with auxiliary heating agent circulation line；On auxiliary heating agent circulation line, auxiliary compressor, auxiliary fluid reservoir, the second heat exchanger and vaporizer are sequentially connected, and the outfan of auxiliary compressor connects auxiliary fluid reservoir.
8. the high-temperature steam-generating heat pump system according to any one of claims 1 to 3, is characterized in that, in assisted heat pump, heating agent circulation line is sequentially provided with the 3rd heat exchanger, the second vaporizer, compressor and fluid reservoir；The outfan of compressor connects fluid reservoir；Heating agent circulation line between fluid reservoir and the 3rd heat exchanger is passed through inside steam generator.
9. high-temperature steam-generating heat pump system according to claim 8, is characterized in that, is additionally provided with auxiliary heating agent circulation line in assisted heat pump；On auxiliary heating agent circulation line, auxiliary the second compressor, auxiliary the second fluid reservoir, the 3rd heat exchanger are sequentially connected with the second vaporizer.
10. the high-temperature steam-generating heat pump system according to any one of claims 1 to 3, is characterized in that, the bucket wall of insulation voltage stabilizing liquid storing barrel includes inner and outer wall, is provided with heat preservation sandwich layer between inner and outer wall；The outer surface of the inner surface of inwall and outer wall is mirror finish face.
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| CN201610405181.5A CN106403375A (en) | 2016-06-08 | 2016-06-08 | High-temperature steam heat pump system |
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| CN203784896U (en) * | 2014-03-03 | 2014-08-20 | 深圳市派沃新能源科技有限公司 | Heat pump steam engine unit |
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Application publication date: 20170215 |