CN1128326C - Integrated solar refrigerating-heating equipment - Google Patents
Integrated solar refrigerating-heating equipment Download PDFInfo
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- CN1128326C CN1128326C CN99111767A CN99111767A CN1128326C CN 1128326 C CN1128326 C CN 1128326C CN 99111767 A CN99111767 A CN 99111767A CN 99111767 A CN99111767 A CN 99111767A CN 1128326 C CN1128326 C CN 1128326C
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- heat
- refrigeration
- solar
- adsorbent bed
- refrigerating
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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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Abstract
The present invention provides a device which belongs to the field of solar refrigeration and solar heating and is composed of a composite body of a vacuum solid adsorption generator, a cooling water circulation system and a solid adsorption type refrigerating system. The present invention aims to manufacture a device which has the advantages of high heat collecting temperature, integral compound of a vacuum pipe type solar heat collector and a solid adsorption bed, switchover mode of refrigeration function and heat supply function, continuous circular refrigeration, simultaneous generation of heat energy, compact structure, small volume, favorable refrigeration efficiency, high total utilization efficiency of solar energy, and comprehensive utilization of refrigeration and heat supply of solar air conditioning.
Description
Technical field:
The present invention relates to a kind of solar refrigerating and heating integration unit, belong to technical field of solar utilization technique.
Background technology:
Existing solar energy solid adsorption refrigerating device is divided into two types, and a kind of is the batch (-type) refrigerating plant, and it is a cycle period with one round the clock, sunshine on daytime direct heat solid adsorbent bed desorption, cold-producing medium liquefaction, solid adsorbent bed cooling absorption in evening, cold-producing medium sweat cooling.This type of device cycle period is long, and freezing capacity is low, and only with intermittent duty, only is suitable for ice making.Another kind is a double bed backheat continuous type refrigerating plant, and it at first relies on the solar thermal collector thermal-arrest, utilizes heat-transfer working medium heat transfer heat solid adsorbent bed desorption then, and alternately absorption and desorption are realized connecting system and freezed to adopt double bed or many.This type of device cycle period is short, bed with bed between can backheat, thereby refrigerating efficiency height.But this type of device volume is huge, system complex, and the overall refrigerating efficiency of solar energy is low.
Summary of the invention:
The objective of the invention is to overcome the deficiency of prior art, a kind of refrigeration and mutual switching mode of heat supply function of adopting is provided, circularly cooling continuously, and can produce the solar refrigerating and the heating integration unit of heat energy simultaneously.
The present invention is by heat collector (1), the cooling and the hot water supply circulation system that are connected respectively by delivery port (17) on the heat collector (1) and water inlet (19), and the refrigerating air-conditioner system that is connected with the distribution of steam mouth of pipe (18) on the heat collector (1) forms.Wherein:
Two solid adsorbent bed complexs (3) that heat collector (1) connects firmly by optical collector (2), with optical collector (2) are formed; Wherein solid adsorbent bed complex (3) is made up of the solid adsorbent bed that places vacuum tube (16) (20); Fixed adsorption bed (20) is provided with squirrel-cage water cycle heat exchange device (15) and refrigerant steam distributor pipe (14) for its inside and fills the cylinder of refrigerating absorbent (21).
Magnetic valve (6,7,8, the 9) formation that cooling and hot water supply circulation system are connected with water circulating pump (13) by the spherical cold water storage cistern (5) that is connected with water circulating pump (13) respectively and spherical boiler (4), with pipeline.
Refrigerating system is by the condenser (10) that is connected to the distribution of steam mouth of pipe (18) together, and reservoir (11) and evaporimeter (12) constitute.
After the operation beginning, solar radiation concentrator (2), concentrator (2) converges to vacuum tube (16) with sunlight and goes up its inner adsorbent bed (20) of direct heat, the inner adsorbent (21) of adsorbent bed (20) is subjected to thermal desorption to go out refrigerant vapour, and refrigerant vapour is condensed into liquid again and flow to reservoir (11) storage in condenser (10).After the adsorbent desorption is complete, start water circulating pump (13), water in the cold water storage cistern (5) is squeezed into water cycle heat exchange device (15) cooling adsorbent bed (20), and the sensible heat that adsorbent bed (20) is inner spreads out of heat supply, and this moment, the heat energy of sunshine incident also spread out of heat supply in the lump.Along with adsorbent bed (20) is cooled to certain degree, adsorption process begins, the liquid start vaporizer refrigeration in the evaporimeter (12).When absorption reached capacity, the circulating pump of closing down (13) heating desorption process began again.So go round and begin again, under the irradiation that sunlight continues, can realize the quasi-continuous refrigeration and the heat supply that are interrupted.
If two same bed alternate runs, the two a shared circulation of cover water tank and air-conditioning refrigeration system, then whole system forms totally continuous solar airconditioning refrigeration and heating system.
The present invention compared with prior art has following advantage:
1, owing to adopt vacuum tube---absorber complex thermal-arrest, direct irradiation of sunlight heats attached dose, efficiency of heating surface height, and the system architecture compactness, volume is small and exquisite.
2,, realized continuous circulation system refrigeration by the switching between heating and the refrigerating function.
3, device is outwards supplied cold and heat simultaneously, and the overall efficient of utilizing of system's solar energy is high.
4, the circulation of the discontinuity by cooling water is the cooling and the heating process of discontinuity with the prolonged exposure thermal conversion of sunlight.
5, owing to removed many circulatory systems from, it is very easily combined with building, strengthened the practicality of solar airconditioning greatly.
Description of drawings:
Fig. 1 is solar refrigerating air-conditioning and heat supply integration unit vertical view.
Fig. 2 is solar refrigerating air-conditioning and heat supply integration unit side view.
Fig. 3 is heat collector (a 1) cutaway view.
The specific embodiment:
By shown in Figure 1, the present invention is by heat collector (1), the cooling and the hot water supply circulation system that are connected respectively by delivery port (17) on the heat collector (1) and water inlet (19), and the refrigerating air-conditioner system that is connected with the distribution of steam mouth of pipe (18) on the heat collector (1) forms.Wherein concentrator (2) is a CPC flute profile concentrator, solid adsorbent bed complex (3) is by heavy caliber all-glass vacuum tube (16) and inserts its inner solid adsorbent bed (20) formation, all-glass vacuum tube (16) is not for all with the vacuum tube of absorber coatings as shown in Figure 3, solid adsorbent bed (20) is the stainless steel cylinder of a sealing, inner altogether band squirrel-cage water cycle heat exchange device (15) and refrigerant steam distributor pipe (14) also filled the zeolite molecular sieve particle, refrigerating absorbents such as active carbon or NACF (21).Spherical cold water storage cistern (5), spherical boiler (4) are made by fiberglass respectively, water-circulating pump (5), valve (6), valve (7), valve (8), valve (9) are conventional water pump and magnetic valve, condenser (10) is a finned heat exchanger, storage device at night (11) is a spherical container, evaporimeter (12) is the coiled pipe air heat exchanger, evaporimeter (12), reservoir (11), condenser (10) connect the formation refrigerating system by refrigerant steam distributor pipe (14) with the refrigerant vapour distribution mouth of pipe (18) of solid adsorbent bed (20), its inside vacuumizes.
The assembling process of system is: at first the complete white no coating all-glass vacuum tube (16) of heavy caliber with outer external diameter of pipe Φ 〉=150mm is sleeved on formation solid adsorbent bed complex (3) on the cylindrical solids suction team bed, and solid adsorbent bed complex (3) and CPC concentrator (2) are connected firmly integrally formed heat collector (1).Then it is installed on the tilt stand that designs and produces according to the various places geographic latitude two and put towards south and place.Delivery port (17), water inlet (19) by solid adsorbent bed (20) are communicated with the formation hydrologic cycle cooling system with magnetic valve (6), (7), (8), (9), water-circulating pump (13), cold storage tank (5) and hot storage tank (4).The refrigerant vapour distribution mouth of pipe (18) by two solid adsorbent beds (20) is communicated with condenser (10), reservoir (11) and evaporimeter (12), and check is not leaked, vacuumize and make solid adsorbent bed (20) and cooler (10), reservoir (11) and evaporimeter (12) formation refrigerated air-conditioning system, inner vacuum reaches 10
-3More than the pa, pour into adsorbate then with inner solid absorbent (21) pairing of solid adsorbent bed (20).So far assembling process is all finished.
After running begins, solid adsorbent bed (20) goes out adsorbate and enters reservoir (11) and store for sunlight adds thermal desorption, after desorption is complete, start water-circulating pump (13), magnetic valve (6), (7), close magnetic valve (8), (9), cool off first adsorbent bed, after being cooled to a certain degree, this adsorbent bed promptly can absorption refrigeration agent steam, the cold-producing medium start vaporizer refrigeration that evaporimeter (12) is inner, the cooling water circulation is not only cooled off adsorbent bed but also is taken the adsorbent bed sensible heat out of and the external heat supply of solar energy of incident this moment in this process.After first adsorbent bed absorption is saturated, close magnetic valve (6), (7), opens solenoid valve (8), (9), first adsorbent bed begins to add thermal desorption, and second adsorbent bed begins to cool down absorption, and begins refrigeration.So go round and begin again, two adsorbent beds replace mutually, can realize the refrigeration and the heat supply of continuous steady.
Claims (1)
1, a kind of solar refrigerating and heat supply integration unit, by heat collector (1), cooling and hot water supply circulation system, the refrigerating air-conditioner system forms, and it is characterized in that: two solid adsorbent bed complexs (3) that heat collector (1) connects firmly by optical collector (2), with optical collector (2) are formed; Wherein solid adsorbent bed complex (3) is made up of the solid adsorbent bed that places vacuum tube (16) (20); Fixed adsorption bed (20) is provided with squirrel-cage water cycle heat exchange device (15) and refrigerant steam distributor pipe (14) for its inside and fills the cylinder of refrigerating absorbent (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99111767A CN1128326C (en) | 1999-08-07 | 1999-08-07 | Integrated solar refrigerating-heating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99111767A CN1128326C (en) | 1999-08-07 | 1999-08-07 | Integrated solar refrigerating-heating equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1283772A CN1283772A (en) | 2001-02-14 |
| CN1128326C true CN1128326C (en) | 2003-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99111767A Expired - Fee Related CN1128326C (en) | 1999-08-07 | 1999-08-07 | Integrated solar refrigerating-heating equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN1128326C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100507405C (en) * | 2007-05-14 | 2009-07-01 | 南京航空航天大学 | Daytime continuous solar absorption refrigeration system |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101982715B (en) * | 2010-10-22 | 2012-05-30 | 张宇 | Solar zeolite circulated refrigerating device based on temperature difference electricity generation |
| CN103697617A (en) * | 2014-01-13 | 2014-04-02 | 云南师范大学 | High-efficiency solar adsorption refrigerating system |
-
1999
- 1999-08-07 CN CN99111767A patent/CN1128326C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100507405C (en) * | 2007-05-14 | 2009-07-01 | 南京航空航天大学 | Daytime continuous solar absorption refrigeration system |
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| Publication number | Publication date |
|---|---|
| CN1283772A (en) | 2001-02-14 |
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