CN102679435A - Solar heat-source tower heat pump composite heating device - Google Patents
Solar heat-source tower heat pump composite heating device Download PDFInfo
- Publication number
- CN102679435A CN102679435A CN2012101905740A CN201210190574A CN102679435A CN 102679435 A CN102679435 A CN 102679435A CN 2012101905740 A CN2012101905740 A CN 2012101905740A CN 201210190574 A CN201210190574 A CN 201210190574A CN 102679435 A CN102679435 A CN 102679435A
- Authority
- CN
- China
- Prior art keywords
- heat
- pump
- phase
- source tower
- solar
- Prior art date
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 30
- 239000002131 composite materials Substances 0.000 title abstract 3
- 238000005338 heat storage Methods 0.000 claims abstract description 55
- 238000006243 chemical reactions Methods 0.000 claims abstract description 10
- 239000003570 air Substances 0.000 claims description 18
- 239000002562 thickening agents Substances 0.000 claims description 15
- 150000001875 compounds Chemical class 0.000 claims description 9
- 239000007921 sprays Substances 0.000 claims description 6
- 239000011232 storage materials Substances 0.000 claims description 4
- 239000011901 water Substances 0.000 description 8
- 230000002950 deficient Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000000463 materials Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000010521 absorption reactions Methods 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound 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Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
Abstract
Description
Technical field
The present invention relates to a kind of compound heating plant that solar energy and air can be combined utilization; Can absorb solar energy and low level air heat energy simultaneously; Utilize solar energy in the fine day storage, absorb the low level air heat energy, the cloudy day is utilized the compound heating plant of solar source tower heat pump of solar energy and low level air heat energy simultaneously.
Background technology
The main boiler and all kinds of heat pump of adopting of heat preparation of supply of domestic civilian daily hot water supply at present,, winter air-conditioning hot water and the daily heat supply of industrial or agricultural (like grain heat-drying, clothes dry blowing, booth warming etc.) carries out.And being widely used inevitably to a large amount of CO of environmental emission of fire coal, fuel oil, gas fired-boiler 2Reach nitride, sulfide, thereby cause greenhouse effects and environmental pollution.The electric boiler energy consumption is big, and efficient is low, and is less economical.Simultaneously, along with the shortage of all kinds of non-renewable fossil energies, the cost of use of boiler is high day by day.Various heat pumps (air source, water source, soil source heat pump etc.) all have himself defective: air source heat pump heat exchange efficiency in winter is lower; Water resource heat pump is had relatively high expectations to water source environment; The soil source heat pump initial cost is high, limited by site condition.These have all restricted being widely used of this type of heat pump.
Solar energy is a kind of regenerative resource, and tellurian wind energy, water ability and fossil energy all are to come from solar energy essentially, and it is inexhaustible.China's solar energy resources is abundant, and the day in area year more than 2/3 impinges upon more than the 2000h, and the annual amount of radiation surpasses 60 * 10 4KJ/cm 2Because solar energy self has inevitable shortcoming such as energy-flux density low, intensity receives the influence of various factors (like season, place, weather etc.) and can not keep constant, and effective utilization of solar energy receives bigger restriction.Cloudy day and winter for satisfying calorific requirement, need the larger area solar thermal collector, popularization thereby solar-heating fails to be widely used.
Heat source tower heat pump provides form as a kind of novel thermal source, has effectively utilized the heat energy of air, and it absorbs the heat of condensation (sensible heat and latent heat) of air Lowlevel thermal energy and water in air steam, for system provides thermal source.The thermal source tower body is long-pending little, construction install convenience, and low to the environment for use requirement, extensively flexible Application is in the various places that need heat supply.But existing thermal source tower uses heat exchange efficiency low night, uses winter heat exchange not enough, and the winter operation process need uses anti-icing fluid etc., causes promoting the use of also of thermal source tower to be restricted.
Summary of the invention
The technical problem that the present invention will solve is; Overcome existing thermal source tower self heat exchange defective; Avoid big, the inefficient shortcoming of solar thermal collector volume, a kind of compound heating plant of solar source tower heat pump that can utilize solar energy and low level air heat energy simultaneously is provided.
The technical solution adopted for the present invention to solve the technical problems is: the compound heating plant of a kind of solar source tower heat pump comprises heat source tower heat pump heating system, solar heat collector to supply heat system, phase-change thermal storage system, phase-change heat distribution system;
Said heat source tower heat pump heating system comprises thermal source tower, medium circulation pump I and source pump; The thermal source tower comprises body, thermal source tower heat exchanger, anti-icing fluid spray system; Medium circulation pump I is installed on the trunk line I of source pump heat source side porch; Said trunk line I one end is connected with source pump one end; The trunk line I other end is connected with the outlet of solar thermal collector with the outlet of thermal source tower heat exchanger, the endothermic tube outlet of phase-change heat storage can through different laterals respectively; The source pump other end is connected with trunk line II one end, and the trunk line II other end is connected with the import of thermal source tower heat exchanger, the endothermic tube import of phase-change heat storage can and the import of solar thermal collector through different laterals respectively; On trunk line II and lateral that the import of thermal source tower heat exchanger links to each other, the flow valve I is installed; On trunk line I and lateral that the outlet of thermal source tower heat exchanger links to each other, the flow valve II is installed, flow valve I and flow valve II are used to control the rate-of flow through thermal source tower heat exchanger;
Said solar heat collector to supply heat system comprises solar thermal collector and source pump, medium circulation pump I; On the import of solar thermal collector and the lateral that the trunk line II links to each other the flow valve III is installed; On the outlet of solar thermal collector and the lateral that the trunk line I links to each other the flow valve IV is installed, can controls rate-of flow through solar thermal collector through flow valve III and flow valve IV;
Said phase-change thermal storage system comprises solar thermal collector, phase-change heat storage can and medium circulation pump II; Phase-change heat storage can inside is provided with endothermic tube, heat storage tube and phase-change heat-storage material; The outlet of solar thermal collector links to each other with the heat storage tube inlet of phase-change heat storage can through time pipeline I, and the inlet of solar thermal collector links to each other through time pipeline II with the outlet of the heat storage tube of phase-change heat storage can, and medium circulation pump II is installed on time pipeline I; The flow valve V is installed on time pipeline II; The flow valve VI is installed on time pipeline I, through flow valve V and flow valve VI, can control the rate-of flow through the heat storage tube of phase-change heat storage device;
Said phase-change heat distribution system comprises phase-change heat storage can, source pump, medium circulation pump I; On the endothermic tube import of phase-change heat storage can and the lateral that the trunk line II links to each other the flow valve VII is installed; On the lateral that the endothermic tube of phase-change heat storage can exports with the trunk line I links to each other the flow valve VIII is installed; Through flow valve VII and flow valve VIII, can control flow through the endothermic tube of phase-change heat storage can.
Further, said heat source tower heat pump heating system also comprises frequency conversion fan, and the frequency conversion fan level is installed in the vertical air duct on thermal source tower top.
Further; The anti-icing fluid spray system is made up of solution pool, filter thickener, anti-icing fluid circulating pump, anti-icing fluid nozzle; Solution pool is positioned at thermal source tower internal body, thermal source tower heat exchanger below, and filter thickener is positioned at the solution pool below, and filter thickener links to each other with solution pool through pipeline; The anti-icing fluid circulating pump is positioned at solution pool below, filter thickener one side; The anti-icing fluid circulating pump links to each other with filter thickener through pipeline, and the anti-icing fluid nozzle is installed on the horizontal pipe of thermal source tower heat exchanger top, and the anti-icing fluid nozzle links to each other with the anti-icing fluid circulating pump through pipeline.
Under the high amount of radiation situation of the sun; The present invention directly absorbs solar energy through solar thermal collector and converts heat energy into; A part is directly as system heat sources, and another part is stored in the phase-change heat storage can as the solar radiation amount replenishing of system thermal when low, simultaneously; (the low temperature circulatory mediator that promptly flows out from source pump flows in thermal source tower heat exchanger tube to absorb airborne Lowlevel thermal energy through thermal source tower heat exchanger; Hot and humid air through outside with flowing through heat exchanger carries out heat exchange, and direct heat transfer absorbs hot and humid airborne sensible heat on the one hand, absorbs the latent heat of vaporization that hot and humid water in air steam dewfall gives out on the other hand; The heat that thermal source tower heat exchanger is absorbed is both sums), offer system as thermal source with the solar thermal energy that absorbs.Use the present invention; Can absorb solar thermal energy and air heat energy simultaneously; The defective and the deficiency of solar thermal collector and thermal source tower have been avoided effectively; Greatly having improved the operating efficiency of the absorption rate and the thermal source tower of solar energy, is that all kinds of heat energy utilizations place provides reliable and stable thermal source when not producing any environmental pollution.
The present invention is through combining solar thermal collector and thermal source tower, heat pump, phase-change heat storage can; Absorb solar energy and air heat energy simultaneously; With existing independent solar energy heat distribution system and heat source tower heat pump systematic comparison, the present invention can reduce the solar thermal collector area, improves heat source tower heat pump efficient; Can reduce the use of fossil fuel boiler and the utilization of electric boiler, finally realize pollution-free and do not need electricity to carry out heat supply auxilliaryly.
The present invention is easy for installation, compact conformation, and integrated rate is high, and is applied widely, can be widely used in the various places that need heat supply; The heat energy utilization rate is high, and the photo-thermal conversion is strong, and comprehensive economic index is higher, thereby can be according to the difference of extraneous climatic condition and automatic switchover heat-obtaining source obtains the maximization of heating efficiency.
Description of drawings
Fig. 1 is the compound heating plant sketch map of solar source tower heat pump of the present invention;
Fig. 2 pipe-line system of the present invention connects sketch map;
Fig. 3 is a phase-change heat storage can internal structure sketch map of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
With reference to accompanying drawing, present embodiment comprises heat source tower heat pump heating system, solar heat collector to supply heat system, phase-change thermal storage system, phase-change heat distribution system;
Said heat source tower heat pump heating system S1 comprises thermal source tower, medium circulation pump I P1 and source pump F1; The thermal source tower comprises body T, thermal source tower heat exchanger F6, anti-icing fluid spray system, frequency conversion fan F2; Medium circulation pump I P1 is installed on the trunk line I L1 of source pump F1 heat source side porch; Said trunk line I L1 one end is connected with source pump F1 one end; The trunk line I L1 other end is connected with the outlet G2 of thermal source tower heat exchanger F6, the endothermic tube outlet G8 of phase-change heat storage can F4 and the outlet G4 of solar thermal collector F3 through different laterals respectively; The source pump F1 other end is connected with a trunk line II L1 ' end, and trunk line II L1 ' other end is connected with the import G1 of thermal source tower heat exchanger F6, the endothermic tube import G7 of phase-change heat storage can F4 and the import G3 of solar thermal collector F3 through different laterals respectively; On trunk line II L1 ' and lateral that the import G1 of thermal source tower heat exchanger F6 links to each other, flow valve I V1 is installed; On trunk line I L1 and lateral that the outlet G2 of thermal source tower heat exchanger F6 links to each other, flow valve II V1 ' is installed, flow valve I V1 and flow valve II V1 ' are used to control the rate-of flow through thermal source tower heat exchanger F6; The anti-icing fluid spray system is made up of solution pool R, filter thickener N, anti-icing fluid circulating pump B, anti-icing fluid nozzle Z; Solution pool R is positioned at thermal source tower body T inside, thermal source tower heat exchanger F6 below; Filter thickener N is positioned at solution pool R below; Filter thickener N links to each other with solution pool R through pipeline, and anti-icing fluid circulating pump B is positioned at solution pool R below, filter thickener N one side, and anti-icing fluid circulating pump B links to each other with filter thickener N through pipeline; Anti-icing fluid nozzle Z is installed on the horizontal pipe of thermal source tower heat exchanger F6 top, and anti-icing fluid nozzle Z links to each other with anti-icing fluid circulating pump B through pipeline; Frequency conversion fan F2 level is installed in the vertical air duct K on thermal source tower top.
The said solar heat collector to supply heat S2 of system comprises solar thermal collector F3 and source pump F1, medium circulation pump I P1; On the import G3 of solar thermal collector F3 and the lateral that trunk line II L1 ' links to each other flow valve III V2 is installed; On the outlet G4 of solar thermal collector F3 and the lateral that trunk line I L1 links to each other flow valve IV V2 ' is installed, can controls rate-of flow through solar thermal collector F3 through flow valve III V2 and flow valve IV V2 ';
The said phase-change thermal storage S3 of system comprises solar thermal collector F3, phase-change heat storage can F4 and medium circulation pump II P2; Phase-change heat storage can F4 inside is provided with endothermic tube F4-1, heat storage tube F4-2 and phase-change heat-storage material F4-3; The outlet G4 of solar thermal collector F3 links to each other with the heat storage tube inlet G5 of phase-change heat storage can F4 through time pipeline I L2; The inlet G3 of solar thermal collector F3 links to each other through time pipeline II L2 ' with the heat storage tube of phase-change heat storage can F4 outlet G6; Medium circulation pump II P2 is installed on time pipeline I L2, and flow valve V V3 is installed on time pipeline II L2 ', and flow valve VI V3 ' is installed on time pipeline I L2; Through flow valve V V3 and flow valve VI V3 ', can control rate-of flow through the heat storage tube of phase-change heat storage device F4;
Said phase-change heat distribution system S4 comprises phase-change heat storage can F4, source pump F1, medium circulation pump I P1; On the endothermic tube import G7 of phase-change heat storage can F4 and the lateral that trunk line II L1 ' links to each other flow valve VII V4 is installed; On the endothermic tube of phase-change heat storage can F4 outlet G8 and the lateral that trunk line I L1 links to each other flow valve VIII V4 ' is installed; Through flow valve VII V4 and flow valve VIII V4 ', can control flow through the endothermic tube of phase-change heat storage can F4.
When solar radiation was strong, turn-on flow rate valve I V1, flow valve II V1 ', flow valve III V2 and flow valve IV V2 ' closed flow valve V V3, flow valve VI V3 ', flow valve VII V4 and flow valve VIII V4 '; Heat transferring medium flows through solar thermal collector F3 and thermal source tower heat exchanger F6; In solar thermal collector F3 and thermal source tower heat exchanger F6, absorbing the heat temperature raises; Pressurization gets into source pump F1 through medium circulation pump I P1; After Lowlevel thermal energy passed to source pump F1, get into solar thermal collector F3 once more and thermal source tower heat exchanger F6 circulates.At this moment, heat source tower heat pump heating system S1 and the S2 of the solar heat collector to supply heat system heat supply of working simultaneously.When medium temperature surpasses 55 ℃ in solar thermal collector F3, reduce the frequency conversion fan F2 rotating speed of thermal source tower, regulate flow valve I V1 and flow valve II V1 ', to reduce thermal source tower heat exchanger media flow; Regulate flow valve III V2 and flow valve IV V2 ', to increase the solar thermal collector rate-of flow.At this moment, solar thermal collector F3 heating system plays a leading role.When medium temperature surpasses 65 ℃ in solar thermal collector F3, close the frequency conversion fan F2 of flow valve I V1, flow valve II V1 ' and thermal source tower, system thermal is provided by the S2 of solar heat collector to supply heat system.
When solar radiation was general, turn-on flow rate valve I V1, flow valve II V1 ', flow valve VII V4 and flow valve VIII V4 ' closed flow valve III V2, flow valve IV V2 ', flow valve V V3 and flow valve VI V3 '.Heat transferring medium offers source pump F1 after in the thermal source tower, absorbing the heat in the air low temperature thermal source; Simultaneously; Another part heat transferring medium absorbs heat temperature rising back and gets among the phase-change heat storage can F4 under the effect of medium circulation pump II P2 in solar thermal collector F3, heat is stored.At this moment, heat source tower heat pump heating system S1 and the S3 of phase-change thermal storage system work simultaneously.When phase-change material temperature is elevated to 45 ℃ in the phase-change heat storage can F4; Turn-on flow rate valve V V3 and flow valve VI V3 '; The part heat transferring medium flows through the heat that phase-change heat storage can F4 absorbs phase-change heat-storage material, and phase-change heat distribution system S4 begins to work simultaneously with heat source tower heat pump heating system S1.When the heat exchange medium temperature that flows out phase-change heat storage can is lower than 32 ℃, close flow valve V V3 and flow valve VI V3 ', carry out phase-change thermal storage once more.
When solar radiation is more weak; Turn-on flow rate valve I V1, flow valve II V1 ', flow valve V V3 and flow valve VI V3 '; Close flow valve III V2, flow valve IV V2 ', flow valve VII V4 and flow valve VIII V4 ', the heat that source pump F1 absorbs is all provided by the thermal source tower.The self-loopa between solar thermal collector F3 and phase-change heat storage can F4 of part heat transferring medium is with the heat transferred phase-change material.At this moment, heat source tower heat pump heating system S1 and the S3 of phase-change thermal storage system move simultaneously.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210190574.0A CN102679435B (en) | 2012-06-11 | 2012-06-11 | Solar heat-source tower heat pump composite heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210190574.0A CN102679435B (en) | 2012-06-11 | 2012-06-11 | Solar heat-source tower heat pump composite heating device |
Publications (2)
| Publication Number | Publication Date |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104145747A (en) * | 2014-07-07 | 2014-11-19 | 兰州交通大学 | Active-passive cooperative heat storage wall heating system of solar greenhouse |
| CN104864736A (en) * | 2015-05-21 | 2015-08-26 | 天津大学 | Solar-assisted real-time regeneration system for anti-freezing solution of open heat-source tower |
| CN109654634A (en) * | 2018-12-12 | 2019-04-19 | 湖南东尤水汽能热泵制造有限公司 | A kind of solar energy and air energy phase-change heat-storage central air conditioner system |
| CN109654574A (en) * | 2018-12-12 | 2019-04-19 | 湖南东尤水汽能热泵制造有限公司 | A kind of air can be with solar energy tandem heat source heat pump unit |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101270941A (en) * | 2008-05-21 | 2008-09-24 | 刘秋克 | Heat source tower heat pump |
| CN201513992U (en) * | 2009-09-11 | 2010-06-23 | 湖南大学 | Water-loop heat pump air-conditioning system based on hot-cold source tower |
| CN102003838A (en) * | 2010-11-16 | 2011-04-06 | 刘秋克 | Solar-powered primary source heat source tower heat pump complete device |
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2012
- 2012-06-11 CN CN201210190574.0A patent/CN102679435B/en active IP Right Grant
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101270941A (en) * | 2008-05-21 | 2008-09-24 | 刘秋克 | Heat source tower heat pump |
| CN201513992U (en) * | 2009-09-11 | 2010-06-23 | 湖南大学 | Water-loop heat pump air-conditioning system based on hot-cold source tower |
| CN102003838A (en) * | 2010-11-16 | 2011-04-06 | 刘秋克 | Solar-powered primary source heat source tower heat pump complete device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104145747A (en) * | 2014-07-07 | 2014-11-19 | 兰州交通大学 | Active-passive cooperative heat storage wall heating system of solar greenhouse |
| CN104145747B (en) * | 2014-07-07 | 2016-05-18 | 兰州交通大学 | The moving collaborative accumulation of heat body of wall heating system of a kind of heliogreenhouse main quilt |
| CN104864736A (en) * | 2015-05-21 | 2015-08-26 | 天津大学 | Solar-assisted real-time regeneration system for anti-freezing solution of open heat-source tower |
| CN109654634A (en) * | 2018-12-12 | 2019-04-19 | 湖南东尤水汽能热泵制造有限公司 | A kind of solar energy and air energy phase-change heat-storage central air conditioner system |
| CN109654574A (en) * | 2018-12-12 | 2019-04-19 | 湖南东尤水汽能热泵制造有限公司 | A kind of air can be with solar energy tandem heat source heat pump unit |
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|---|---|
| CN102679435B (en) | 2015-03-11 |
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