CN101726134A - Compressed heat supply system and heat supply method - Google Patents
Compressed heat supply system and heat supply method Download PDFInfo
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- CN101726134A CN101726134A CN200810226008A CN200810226008A CN101726134A CN 101726134 A CN101726134 A CN 101726134A CN 200810226008 A CN200810226008 A CN 200810226008A CN 200810226008 A CN200810226008 A CN 200810226008A CN 101726134 A CN101726134 A CN 101726134A
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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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
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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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Abstract
The invention relates to a compressed heat pump cycle system and a heat supply method. The compressed heat pump system comprises a compressor, a condenser, a throttle valve, a heat accumulation box and a heat collecting plate, wherein the compressor, the condenser, the throttle valve, the heat accumulation box and the heat collecting plate are connected through pipes to form a closed cyclic loop; and a heating medium is cycled in the loop. Because the heat supply system and the heat supply method of the embodiment combine two low-temperature heat source collecting modes of air source and solar energy, the heat supply system overcomes the defect that the traditional air source heat pump cannot work at the low temperature, can supply heat to users under the condition that the air temperature is lower than 15 DEG C below zero, meanwhile overcomes the defect that the solar heat supply system cannot work without sunlight, and can supply the heat to the users without the sunlight.
Description
Technical field
The present invention relates to a kind of heat supply process of Thermal Power Engineering Field, particularly a kind of compressed heat supply system and heat supply method that combines the circulation of compression air source heat pump and two kinds of heat-supplying modes of solar energy heating.
Background technology
Existing heating system mainly comprises: fuel combustion heating system, electrical heating heating system, air source heat pump system, solar energy heat distribution system and earth-source hot-pump system.Wherein, the primary energy efficient of fuel combustion heating system and electrical heating heating system is low, does not meet the social demand of current energy-saving and emission-reduction.
See also shown in Figure 1, existing compression air source heat pump heating system, it comprises: condenser 10, compressor 11, air source heat exchanger 12 and choke valve 13, and above-mentioned each parts are connected to form the closed circuit of a sealing by pipeline, and heating agent circulates in this pipeline.11 pairs of gaseous state heating agents of compressor compress, and the pressure and temperature of heating agent is raise; Heating agent after pressure and temperature raise carries out heat exchange in condenser 10, heating agent is condensed into liquid state, discharges condensation heat simultaneously, is used for providing heat to the user; Liquid heating agent reduces through choke valve 13 back pressure and temperatures, forms pressure differential in the front and back of choke valve 13; The heating agent of low pressure enters air source heat exchanger 12, and liquid heating agent absorbs the heat of air and is evaporated to gaseous state in air source heat exchanger 12.So constituted existing air source heat pump circulation, but the energy efficiency of this circulatory system is subjected to the influence of air themperature bigger.The temperature of air is low more, and its energy efficiency is low more, and in general, existing compression air source heat pump heating system just can't be worked when temperature is lower than subzero 15 ℃.Especially, often have long time temperature to be lower than subzero 15 ℃ the winter in the north, and therefore the northerly application of existing compression air source heat pump heating system is greatly limited.
Seeing also shown in Figure 2ly, is the schematic diagram of existing bearing type solar energy heat distribution system.This solar energy heat distribution system mainly comprises: boiler 20, delivery pump 21 and solar thermal collector 22, and above-mentioned various piece is connected to form the closed circuit of a sealing by pipeline, and heating agent circulates in this loop.The solar thermal collector 22 general vacuum tubes that adopt, the solar energy of its collection heats heating agent wherein, can make heat medium temperature wherein be warmed up to 40-100 ℃.Heating agent after being heated is sent in the heater 20, provides heat by boiler 20 to the user.Heat medium temperature reduces after delivery pump 21 is circulated to solar thermal collector 22.The shortcoming that existing solar energy heat distribution system exists is too big to the degree of dependence of weather, night or just can not work when running into rainy weather, thereby must could satisfy the demand of user by auxiliary heating system to heat.In addition, because heat medium temperature must be higher than user's heat supply temperature, thereby the operating temperature of solar thermal collector higher (usually more than 42 ℃), thereby exists the bigger temperature difference with environment, cause radiation, convection current and the conductive heat loss of heat collector to increase, its collecting efficiency is reduced.
Adopt the earth source heat pump circulatory system of underground heat as thermal source in addition, because earth-source hot-pump system needs well-digging, its equipment investment is big, and construction is complicated, also is subjected to the restriction of geographical conditions easily.So, be necessary to provide a kind of applied range, the heating system that heating efficiency is high.
Summary of the invention
Main purpose of the present invention is to overcome the problem that existing heating system exists, and a kind of new compressed heat supply system is provided, and makes it can effectively utilize solar energy and air energy, improves heating efficiency, and is convenient to install, thereby be suitable for practicality more.
The object of the invention to solve the technical problems realizes by the following technical solutions.A kind of compression type heat pumping system according to the present invention's proposition, it comprises: compressor, condenser, choke valve, heat storage tank and thermal-arrest plate, the heat exchange coil of described compressor, condenser, choke valve and heat storage tank is connected to form the closed circuit of a sealing by pipeline, and the heat pump heating agent circulates in this loop.The thermal-arrest coil pipe of heat storage tank and thermal-arrest plate are connected to form the closed circuit of another sealing by pipeline, and the thermal-arrest heating agent circulates in this loop.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.Another kind of compression type heat pumping system according to the present invention's proposition, it comprises: compressor, condenser, choke valve, heat storage tank and thermal-arrest plate, the heat exchange coil of described compressor, condenser, choke valve, heat storage tank and thermal-arrest plate are connected to form the closed circuit of a sealing by pipeline, and the heat pump heating agent circulates in this loop; Described thermal-arrest plate is connected in by pipeline on the inlet duct and outlet conduit of heat storage tank heat exchange coil, forms parallel-connection structure with the heat storage tank coil pipe.
Preferably, aforesaid compressed heat supply system, the position of wherein said thermal-arrest plate is lower than described heat storage tank.
Preferably, aforesaid compressed heat supply system, the wherein said pipeline that is connected in the thermal-arrest plate is provided with delivery pump.
Preferably, aforesaid compressed heat supply system, it also comprises: the heating agent storage tank, it is arranged on the outlet conduit of condenser by pipeline; And Venturi tube, it is connected to heating agent storage tank, heat storage tank outlet and thermal-arrest plate inlet.
Preferably, aforesaid compressed heat supply system is provided with heat-storage agent in the wherein said heat storage tank.
Preferably, aforesaid compressed heat supply system, wherein said heat-storage agent are water.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to a kind of heat supply method that the present invention proposes, it comprises: compression process, and compressor compresses gaseous state heating agent raises its pressure and temperature; Exothermic process, gaseous state heating agent are condensed into liquid release heat simultaneously in condenser, the heat that is discharged is used for the heat supply to the user; Throttling process is by the pressure and temperature reduction of choke valve heating agent; Endothermic process, heating agent flash to gaseous state at thermal-arrest plate and heat storage tank and absorb the heat of solar energy and/or surrounding air and/or the heat of heat-storage agent simultaneously; Heat-accumulating process, when compressor is in halted state, liquid heating agent absorbs the heat of solar energy and/or surrounding air and evaporates at the thermal-arrest plate, then the gaseous state heating agent is circulated to heat storage tank and is condensed into liquid release heat simultaneously, thereby realize the accumulation of heat to heat-storage agent, then liquid heating agent is recycled to the thermal-arrest plate.Preferable, when heat storage agent is close to or higher than the heat-collecting temperature of thermal-arrest plate, can starts compressor off and on and reduce heat storage agent, with the carrying out of continuous promotion heat-accumulating process.
The present invention compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known, compressed heat supply system of the present invention and heat supply method, because it combines the circulation of compression air source heat pump and two kinds of heat-supplying modes of solar energy heating, make this heating system overcome the defective that to work under traditional air source heat pump low temperature, can when environment temperature is lower than subzero 15 ℃, provide heating power expeditiously for the user; Having overcome solar energy heat distribution system does not simultaneously have the defective that the solar time can't work, and can not have under the situation at sunshine for the user provides heating power expeditiously, because thermal-arrest plate of the present invention extremely is convenient to install, thereby is suitable for practicality more again.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, in order to more clearly understand technological means of the present invention, and can be implemented according to the content of specification, below with preferred embodiment of the present invention and conjunction with figs. describe in detail as after.
Description of drawings
Fig. 1 is existing compression air source heat pump heating system structure figure.
Fig. 2 is the schematic diagram of existing bearing type solar energy heat distribution system.
Fig. 3 is the flow chart of the compressed heat supply system of the embodiment of the invention 1.
Fig. 4 is the flow chart of the compressed heat supply system of the embodiment of the invention 2.
Fig. 5 is the flow chart of the compressed heat supply system of the embodiment of the invention 3.
Fig. 6 is the flow chart of the compressed heat supply system of the embodiment of the invention 4.
The specific embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to its specific embodiment of compression type heat pumping system, structure, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
Seeing also shown in Figure 3ly, is the flow chart of the heating system of the embodiment of the invention 1.This compression type heat pumping system mainly comprises: compressor 31, condenser 30, choke valve 33, heat storage tank 32 and thermal-arrest plate 34.The heat exchange coil 35 of wherein said compressor 31, condenser 30, choke valve 33 and heat storage tank 32 is connected to form the closed circuit of a sealing by pipeline, and the heat pump heating agent circulates in this loop.Described thermal-arrest plate 34 is connected in by pipeline on the inlet duct and outlet conduit of thermal-arrest coil pipe 40 of heat storage tank 32, forms the closed circuit of another sealing, and the thermal-arrest heating agent circulates in this loop.
Seeing also shown in Figure 4ly, is the flow chart of the heating system of the embodiment of the invention 2.This compression type heat pumping system mainly comprises: compressor 31, condenser 30, choke valve 33, heat storage tank 32 and thermal-arrest plate 34.The heat exchange coil 35 of wherein said compressor 31, condenser 30, choke valve 33, heat storage tank 32 and thermal-arrest plate 34 are connected to form the closed circuit of a sealing by pipeline, and the heat pump heating agent circulates in this loop.Described thermal-arrest plate 34 is connected in by pipeline on the inlet duct and outlet conduit of heat exchange coil 35 of heat storage tank 32, forms parallel-connection structures with heat exchange coil 35.Described heating agent circulates in the loop of compressor 31, condenser 30, choke valve 33, heat storage tank 32 and thermal-arrest plate 34 when compressor operating, and heating agent circulates in the loop of heat storage tank 32 and thermal-arrest plate 34 when compressor is out of service.The heat pump heating agent of present embodiment and thermal-arrest heating agent are same heating agent.Compare with the foregoing description 1, the heating system of the embodiment of the invention 2 is not established special thermal-arrest coil pipe in heat storage tank, thereby more succinct, and cost is also lower.
Described compressor 31 is used to compress heating agent, simultaneously the power that also circulates as heating agent.
Described condenser 30, it comprises radiator coil tube, condenser shell and is installed in external agency inlet port and external agency delivery outlet on this housing.The external agency of low temperature enters condenser shell, carries out heat exchange with high temperature heating agent in the radiator coil tube, and the external agency temperature is output after raising.When external agency is water, just can export hot water to the user; When external agency is air, then can provide hot-air to the user, for example, provide heating installation.
Described choke valve 33 is used to control the pressure of heating agent, at the arrival end pressure height of this choke valve, reduces at the pressure of the port of export heating agent of this choke valve.
Described heat storage tank 32, it comprises heat exchange coil 35, casing and is filled in the interior heat-storage agent of casing.
Described thermal-arrest plate 34, it is solar energy and air energy thermal-arrest plate, can heat the heating agent that flows through in this thermal-arrest plate under solar radiation or air contact.Thermal-arrest plate of the present invention, preferable, can distribute female pipe, the female pipe of gas heating agent set and be connected in one group of copper aluminum composite pipes 3 part of distributing between female pipe and the female pipe of set by liquid heat medium to constitute, the surface of above-mentioned various piece scribbles the sunshine absorber coatings.In the present embodiment, the position of this thermal-arrest plate 34 is lower than described heat storage tank 32.
The heat supply course of work of present embodiment is that 31 pairs of gaseous state heating agents of compressor compress, and the pressure and temperature of heating agent is raise; Heating agent after pressure and temperature raises carries out heat exchange in condenser 30, be condensed into liquid state after discharging heat, and the heat that is discharged is fed to the user and uses; Liquid heating agent reduces through choke valve 33 back pressure, forms pressure differential in the front and back of choke valve 33; The heating agent of low pressure enters heat storage tank 32 and/or thermal-arrest plate 34, absorbs heat and flashes to gaseous state.Described heating agent absorbs the heat of heat-storage agent in heat storage tank 32, along with carry out of whole heating system to user's heat supplying process, the temperature of heat-storage agent reduces gradually.
The heating system employing solar energy and the air of present embodiment can be as external heat sources, compare with existing air source compressed heat supply system, even temperature is lower than under the subzero 15 ℃ situation outside, as long as arranged certain sunshine, because the solar energy heating effect of thermal-arrest plate, can guarantee that its inner heat medium temperature is higher than subzero 15 ℃, thereby can make this compression heat pump circulatory system operate as normal.And on the other hand, compare with existing solar energy heat distribution system, even at night or overcast and rainy, as long as outer temperature is not less than subzero 15 ℃, because the air of thermal-arrest plate energy thermal-arrest effect, can also guarantee that its inner heat medium temperature is higher than subzero 15 ℃, thereby can make this compression heat pump circulatory system operate as normal.
When the user did not need heat supply or condenser to reach certain regenerator temperature, compressor quit work, and this moment, heating agent circulated between heat storage tank 32 and thermal-arrest plate 34.Have sunshine or outside temperature when being higher than the temperature of heat-storage agent in the heat storage tank, thermal-arrest plate 34 constantly absorbs solar energy or air energy, heat medium temperatures in the thermal-arrest plate 34 are raise and evaporate, the gaseous state heating agent rises to heat storage tank 32 owing to density is little, the gaseous state heating agent liquefies after heat storage tank 32 condensation heat releases, liquid heating agent is owing to density drops to thermal-arrest plate 34 greatly, and so heating agent forms convection circulation between heat storage tank and thermal-arrest plate.And the heat-storage agent in the heat storage tank since in heat supplying process release heat, decline has taken place in temperature, thereby causes the heating agent in the heat storage tank 32 to be in relative low-temperature condition, makes that the gaseous state heating agent from thermal-arrest plate 34 is carried out condensation expeditiously.So, realize solar heat is passed to heat-storage agent, thereby formed the process of the heat-storage agent in the heat storage tank being carried out accumulation of heat by the evaporation and the condensation of heating agent.Till this circulation can last till that temperature in the heat storage tank and the temperature in the thermal-arrest plate are close.
When do not have sunshine and outside temperature when being lower than subzero 15 ℃, sensible heat and latent heat of phase change that native system is possessed with heat-storage agent in the heat storage tank are that low-temperature heat source carries out work, provide heating power thereby can be continuously the user.
For heat storage tank, its heat-accumulating process mainly contains following several, when normal heat supply, if the collected heat of thermal-arrest plate except the heat that provides to the user, remaining heat then passes to heat-storage agent; When stopping to user's heat supply, promptly compressor quits work, and then the convection circulation of the collected heat of thermal-arrest plate by heating agent passes to the heat-storage agent in the heat storage tank.
The heating system of present embodiment, because it combines the circulation of compression air source heat pump and two kinds of heat-supplying modes of solar energy heating, make this heating system overcome the defective that to work under traditional air source heat pump low temperature, can when environment temperature is lower than subzero 15 ℃, provide heating power for the user; Having overcome solar energy heat distribution system does not simultaneously have the defective that the solar time can't work, and can not have the solar time to continue heat supply.
Seeing also shown in Figure 5ly, is embodiments of the invention 3, compares with the heating system of embodiment 2, and present embodiment also comprises a delivery pump 39, and it is arranged on the connecting pipe of thermal-arrest plate 34, is used for the heating agent of the thermal-arrest plate 34 of flowing through is carried out forced circulation.Especially, when compressor 31 quits work, be used to strengthen the circulation of heating agent between thermal-arrest plate 34 and heat storage tank 32, thereby the heat delivery that can better the thermal-arrest plate be collected is in heat storage tank.
Seeing also shown in Figure 6ly, is embodiments of the invention 4, compares with the heating system of embodiment 2, and present embodiment also comprises heating agent storage tank 36, check valve 37 and Venturi tube 38.Described heating agent storage tank 36 is connected on the outlet conduit of condenser 30 by pipeline, is used to collect the high-pressure liquid heating agent that flows out condenser 30.Described Venturi tube 38, an one inlet is connected in heating agent storage tank 36, and another inlet is connected in the outlet of heat storage tank 32, and the outlet of this Venturi tube is connected in the inlet of thermal-arrest plate 34.The high pressure heating agent of described heating agent storage tank 36 reduces pressure in Venturi tube 37 and increases flow velocity, and injection is from the liquid heating agent in the heat storage tank, thus the circulation of promotion heating agent between thermal-arrest plate 34 and heat storage tank 32.Because this Venturi tube does not need power can promote the circulation of heating agent, thereby more energy-conservation and simple and reliable.Present embodiment compressor 31 can carry out intermittent duty according to the liquid situation of holding of heat storage agent and heating agent storage tank 36, when heat storage agent is close to or higher than the heat-collecting temperature of thermal-arrest plate 34 or can starts compressor during when the holding liquid and use up of heating agent storage tank 36, so that keep heat storage agent to be lower than heat-collecting temperature, and be that heating agent storage tank 36 replenishes liquid heating agent, thereby constantly promote the carrying out of heat-accumulating process, also provide heat to compensate its radiation loss simultaneously for condenser 30.
The present invention also proposes a kind of heat supply method, and it adopts the compressed heat supply system in the foregoing description.This heat supply method comprises following process: compression process, and compressor compresses gaseous state heating agent raises its pressure and temperature; Exothermic process, gaseous state heating agent are condensed into liquid release heat simultaneously in condenser, the heat that is discharged is used for the heat supply to the user; Throttling process is by the pressure and temperature reduction of choke valve heating agent; Endothermic process, heating agent flash to gaseous state at thermal-arrest plate and heat storage tank and absorb the heat of solar energy and/or surrounding air and/or the heat of heat-storage agent simultaneously; Heat-accumulating process, liquid heating agent absorbs the heat of solar energy and/or surrounding air and evaporates at the thermal-arrest plate, and then the gaseous state heating agent is circulated to heat storage tank and is condensed into liquid release heat simultaneously, thereby realizes the accumulation of heat to heat-storage agent, and then liquid heating agent is recycled to the thermal-arrest plate.Preferable, compressor can carry out intermittent duty according to the temperature of heat-storage agent, when being close to or higher than the heat-collecting temperature of thermal-arrest plate, heat storage agent can start compressor off and on, so that keep heat storage agent to be lower than heat-collecting temperature, thereby constantly promote the carrying out of heat-accumulating process, also provide heat to compensate its radiation loss simultaneously for condenser.Each above-mentioned process can be carried out simultaneously, also can carry out certain several step wherein separately.In general, should guarantee that heat-accumulating process is the process that continues, thereby can make heating system can constantly absorb the heat of solar energy and/or surrounding air.The situation that above-mentioned heat storage agent approaches the heat-collecting temperature of thermal-arrest plate is that the temperature difference of heat-storage agent and thermal-arrest plate is less than 2 ℃ situation.
In the embodiment of the invention described above, described heat pump heating agent and thermal-arrest heating agent are R22 (monochlorodifluoromethane), and described heat-storage agent is a water.The present invention also can adopt R134a (HFC-134a), and R600a (iso-butane) waits other eco-friendly cold-producing mediums as heat pump heating agent or thermal-arrest heating agent.Water is 0 ℃ as its phase transition temperature of latent heat storage agent, and has the highest thermal storage density in the practicability latent heat storage agent.As mentioned above, the heat-storage agent characteristic of water and the present invention match to the requirement of heat-storage agent, thereby are very suitable for the present invention.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (9)
1. compressed heat supply system is characterized in that it comprises: compressor, condenser, choke valve, heat storage tank and thermal-arrest plate,
The heat exchange coil of described compressor, condenser, choke valve and heat storage tank is connected to form the closed circuit of a sealing by pipeline, and the heat pump heating agent circulates in this loop; The thermal-arrest coil pipe of heat storage tank and thermal-arrest plate are connected to form the closed circuit of another sealing by pipeline, and the thermal-arrest heating agent circulates in this loop.
2. compressed heat supply system is characterized in that it comprises: compressor, condenser, choke valve, heat storage tank and thermal-arrest plate,
The heat exchange coil of described compressor, condenser, choke valve, heat storage tank and thermal-arrest plate are connected to form the closed circuit of a sealing by pipeline, and heating agent circulates in this loop;
Described thermal-arrest plate is connected in by pipeline on the inlet duct and outlet conduit of heat storage tank heat exchange coil, forms parallel-connection structure with the heat storage tank heat exchange coil.
3. compressed heat supply system according to claim 1 and 2 is characterized in that the position of wherein said thermal-arrest plate is lower than described heat storage tank.
4. compressed heat supply system according to claim 1 and 2 is characterized in that the wherein said pipeline that is connected in the thermal-arrest plate is provided with delivery pump.
5. compressed heat supply system according to claim 1 and 2 is characterized in that it also comprises:
The heating agent storage tank, it is arranged on the outlet conduit of condenser by pipeline; And
Venturi tube, it is connected to heating agent storage tank, heat storage tank outlet and thermal-arrest plate inlet.
6. according to each described compressed heat supply system of claim 1-5, it is characterized in that being filled with heat-storage agent in the wherein said heat storage tank.
7. compressed heat supply system according to claim 6 is characterized in that wherein said heat-storage agent is a water.
8. heat supply method is characterized in that it comprises:
Compression process, compressor compresses gaseous state heating agent raises its pressure and temperature;
Exothermic process, gaseous state heating agent are condensed into liquid release heat simultaneously in condenser, the heat that is discharged is used for the heat supply to the user;
Throttling process is by the pressure and temperature reduction of choke valve heating agent;
Endothermic process, heating agent flash to gaseous state at thermal-arrest plate and/or heat storage tank and absorb the heat of solar energy and/or surrounding air and/or the heat of heat-storage agent simultaneously;
Heat-accumulating process, liquid heating agent absorbs the heat of solar energy and/or surrounding air and evaporates at the thermal-arrest plate, then the gaseous state heating agent is circulated to heat storage tank and is condensed into liquid state, release heat and realize heat-storage agent in the heat storage tank is carried out accumulation of heat simultaneously, and then liquid heating agent is recycled to the thermal-arrest plate.
9. heat supply method according to claim 8, it is characterized in that in described heat-accumulating process, when heat storage agent is close to or higher than the heat-collecting temperature of thermal-arrest plate, start compressor and reduce heat storage agent, make the thermal-arrest plate transmit heat to heat storage tank constantly and carry out accumulation of heat.
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| CN200810226008A CN101726134A (en) | 2008-11-03 | 2008-11-03 | Compressed heat supply system and heat supply method |
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| CN200810226008A CN101726134A (en) | 2008-11-03 | 2008-11-03 | Compressed heat supply system and heat supply method |
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| CN101726134A true CN101726134A (en) | 2010-06-09 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884134A (en) * | 2014-03-28 | 2014-06-25 | 安徽中家智锐科技有限公司 | Heat pump system for directly evaporating and absorbing solar heat collection and utilizing natural energy |
| CN107131544A (en) * | 2017-06-21 | 2017-09-05 | 宝莲华新能源技术（上海）股份有限公司 | A kind of solar thermal collection system couples the heating system of operation with earth-source hot-pump system |
| CN107388630A (en) * | 2017-06-27 | 2017-11-24 | 江苏大学 | A kind of solar energy heat pump system based on phase-transition heat-storage |
| CN112262291A (en) * | 2018-04-18 | 2021-01-22 | 碳清洁技术有限公司 | Method for operating regenerative heat accumulator device and heat accumulator device |
| CN114704893A (en) * | 2022-04-28 | 2022-07-05 | 湖南大学 | Multi-source cooperative heat pump integrated system |
-
2008
- 2008-11-03 CN CN200810226008A patent/CN101726134A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884134A (en) * | 2014-03-28 | 2014-06-25 | 安徽中家智锐科技有限公司 | Heat pump system for directly evaporating and absorbing solar heat collection and utilizing natural energy |
| CN107131544A (en) * | 2017-06-21 | 2017-09-05 | 宝莲华新能源技术（上海）股份有限公司 | A kind of solar thermal collection system couples the heating system of operation with earth-source hot-pump system |
| CN107388630A (en) * | 2017-06-27 | 2017-11-24 | 江苏大学 | A kind of solar energy heat pump system based on phase-transition heat-storage |
| CN112262291A (en) * | 2018-04-18 | 2021-01-22 | 碳清洁技术有限公司 | Method for operating regenerative heat accumulator device and heat accumulator device |
| CN112262291B (en) * | 2018-04-18 | 2022-08-05 | 碳清洁技术有限公司 | Method for operating regenerative heat accumulator device and heat accumulator device |
| CN114704893A (en) * | 2022-04-28 | 2022-07-05 | 湖南大学 | Multi-source cooperative heat pump integrated system |
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Application publication date: 20100609 |