CN101398227A - High-efficiency heat utilization method for nonsaturated solar pond - Google Patents
High-efficiency heat utilization method for nonsaturated solar pond Download PDFInfo
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- CN101398227A CN101398227A CNA2008101721577A CN200810172157A CN101398227A CN 101398227 A CN101398227 A CN 101398227A CN A2008101721577 A CNA2008101721577 A CN A2008101721577A CN 200810172157 A CN200810172157 A CN 200810172157A CN 101398227 A CN101398227 A CN 101398227A
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- convective region
- filling
- pond
- solar pond
- convective
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/10—Solar heat collectors using working fluids the working fluids forming pools or ponds
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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
Abstract
The invention discloses an effective heat utilizing method of an unsaturated solar pool which comprises a solar pool; the effective heat utilizing method includes the following steps of: 1) paving an anti-seepage layer, 2) paving a film layer, 3) filling a lower convection area, 4) filling a non-convection area, and 5) filling an upper convection area. The invention also provides another effective heat utilizing method of the unsaturated solar pool which comprises the solar pool; the effective heat utilizing method includes the following steps of: 1) arranging capsules, 2) filling the lower convection area, 3) filling the non-convection area, and 4) filling the upper convection area. The invention relates to a safe and effective method for collecting and storing heat of the unsaturated solar pool and can basically meet the temperature control demands of the operation water for the seedling culture field of the littoral zone in winter and spring.
Description
Technical field
The present invention relates to a kind of nonsaturated solar pond efficient heat-collecting, heat accumulation utilizes technology, belongs to solar energy heat utilization field.
Background technology
In seawater solar pond (unsaturation type solar pond) research field, northern Mexico has carried out analog study to seawater solar pond in Puerto Penasco area in bay, California for nineteen eighty-two American scholar Sher Wood B, Idso and people such as Keick E, Idso.Experimental result shows that seawater solar pond bottom (Lower Convection Zone) can keep than high about 10 ℃ water temperature under the normal condition.This discovery to instruct in solar pond, carry out super halobiontic propagate artificially to produce have great scientific value and economic implications.
China seashore line length 18000km, sea water breeding area exceedes 3,000 ten thousand mu, and only winter-spring season was grown seedlings to produce with coal and was surpassed 200,000 tons, CO every year
2Discharge capacity is counted roughly and is surpassed 40.6 ten thousand tons.Grow seedlings in the production, ocean temperature generally is controlled between 15-29 ℃, and this temperature circle territory is at winter-spring season, and the thermal-arrest effect of seawater solar pond can satisfy this temperature control index substantially.
Typical salt gradient solar pond, its degree of depth is subjected to multiple factor affecting, considers the practical application of nonsaturated solar pond, and general projected depth is 1.5～3m, is respectively convective region, non-convective region and following convective region from top to bottom.Last convective region is the fresh water district, and salinity is 1-10 ‰, and its thickness accounts for the dark 10-20% in whole pond, and non-convective region salinity is 10-28 ‰, and its thickness accounts for the dark 50-70% in whole pond, and the salinity of following convective region is about 30 ‰, and its thickness accounts for the dark 20-30% in whole pond.
The stable state of the lower boundary of non-convective region depends on the salt density gradient of layer boundary and the relation of thermograde, and the extracting mode of heat.Because whole solar pond is an open type, interpenetrates between each layer, is easy to destroy its gradient, and then makes solar pond not reach the collecting efficiency of expection.
Summary of the invention
The technical issues that need to address of the present invention just are to overcome the defective of prior art, provide a kind of nonsaturated solar pond efficient heat utilization method, the safe and efficient thermal-arrest of nonsaturated solar pond provided by the invention, heat-storing method can satisfy the temperature requirements of littoral zone nursery operation water body substantially.
For addressing the above problem, the present invention adopts following technical scheme:
The efficient heat utilization method of a kind of nonsaturated solar pond of the present invention, its process comprises the following steps:
1), place mat impervious barrier: along solar pond inwall place mat one deck impervious material;
2), place mat thin layer:, be respectively arranged with a water inlet pipe and a drainpipe between two ends, solar pond bottom, impervious barrier and the thin layer at the inboard place mat thin film of impervious material layer;
3), convective region under the filling: by solar pond bottom water inlet pipe, under filling between impervious barrier and the thin layer convective region, make its thickness account for the dark 20-30% in whole pond;
4), the non-convective region of filling: in the non-convective region of film top filling, the non-convective region salinity of intaking for the first time is identical with following convective region salinity, makes its thickness account for the dark 50-70% in whole pond, forms a kind of following convective region and interface, non-convective region that is isolated by film;
5), convective region in the filling: convective region in the top filling of non-convective region, last convective region is a fresh water, makes its thickness account for the dark 10-20% in whole pond; And put printing opacity on the fresh water aquifer surface and prevent the ripple device.
The present invention also provides another kind of seawater solar pond efficient heat utilization method, comprises nonsaturated solar pond, and described efficient heat utilization method comprises the following steps:
1), arrange capsule: arranged in series is a plurality of in the solar pond bottom
The 100-200cm capsule, each capsule top is provided with steam vent; Be interconnected by pipeline between the capsule, two capsules at two ends are respectively arranged with water inlet pipe and drainpipe;
2), convective region under the filling:, make its thickness account for the dark 20-30% in whole pond by convective region under sand filter water inlet pipe filling capsule and the filling simultaneously; Salinity of water is identical with following convective region salinity in the capsule;
3), the non-convective region of filling: in the following non-convective region of top, convective region filling, the non-convective region salinity of intaking for the first time is identical with following convective region salinity, makes its thickness account for the dark 50-70% in whole pond;
4), convective region in the filling: convective region in the top filling of non-convective region, last convective region is a fresh water, makes its thickness account for the dark 10-20% in whole pond; And put printing opacity on the fresh water aquifer surface and prevent the ripple device.
The present invention compared with prior art, the beneficial effect that is produced is:
1) convective region does not adopt the Hot swapping pipeline under the solar pond, and thermal-arrest district water body directly utilizes, and no heat waste has embodied energy-conservation, efficient.
2) banned the saturated brine of traditional solar pond with nature seawater, reduced and built pond cost and operating cost.
3) natural seawater salinity has been stablized with film or apart capsules in the convective region under the solar pond, has avoided successively decreasing because of the seawater salinity that diffusion causes.
Description of drawings
Fig. 1 is the embodiment of the invention 1 a described solar pond structural representation.
Fig. 2 is the embodiment of the invention 2 described solar pond structural representations.
The specific embodiment
According to seedling water day quantity of exchanged water determine the solar pond area, a 1000m
3The seedling rearing room of water body, a general configuration 3000-5000m
2Solar pond, spring early, solar pond water depth 1.0-1.5m.As shown in Figure 1, the efficient heat utilization method of a kind of nonsaturated solar pond of the present invention comprises solar pond 1, and described efficient heat utilization method comprises the following steps:
1), place mat impervious barrier: along solar pond inwall place mat impervious barrier 2;
2), place mat thin layer:, be respectively arranged with water inlet pipe 4 and drainpipe 5 between two ends, solar pond bottom, impervious barrier and the thin layer at the inboard place mat thin layer 3 of impervious barrier;
3), convective region under the filling: by solar pond bottom water inlet pipe, under filling between impervious barrier and the thin layer convective region 6, make its thickness account for the dark 20-30% in whole pond;
4), the non-convective region of filling: the non-convective region 7 of filling on the film at following top, convective region, the non-convective region salinity of intaking for the first time is identical with following convective region salinity, make its thickness account for the dark 50-70% in whole pond, form a kind of following convective region and interface, non-convective region that isolates by film, non-tropospheric final formation is the inner formation naturally in the pond behind the convective region in the filling, salinity from top to bottom increases progressively between upper and lower convective region.
5), convective region in the filling: convective region 8 in the top filling of non-convective region, last convective region is a fresh water, makes its thickness account for the dark 10-20% in whole pond; And put printing opacity on the fresh water aquifer surface and prevent ripple device 9.
According to seedling water day quantity of exchanged water determine the solar pond area, a 1000m
3The seedling rearing room of water body, a general configuration 3000-5000m
2Nonsaturated solar pond, early spring solar pond water depth 1.0-1.5m.
As shown in Figure 2, the efficient heat utilization method of a kind of nonsaturated solar pond of the present invention comprises solar pond 1, and described efficient heat utilization method comprises the following steps:
The present invention also provides another kind of nonsaturated solar pond efficient heat utilization method, comprises solar pond, and described efficient heat utilization method comprises the following steps:
1), arrange capsule: arranged in series is a plurality of in the solar pond bottom
100-200cm capsule 10, each capsule top is provided with steam vent 11; Be interconnected by pipeline 12 between the capsule, two capsules at two ends are respectively arranged with water inlet pipe 13 and drainpipe 14;
2), convective region under the filling: by sand filter water inlet pipe filling capsule, convective region 6 under the filling simultaneously makes its thickness account for the dark 20-30% in whole pond, and the water salinity in the capsule is identical with following convective region salinity;
3), the non-convective region of filling: in the following non-convective region 7 of top, convective region filling, the non-convective region salinity of intaking for the first time is identical with following convective region salinity, make its thickness account for the dark 50-70% in whole pond, non-tropospheric final formation is the inner formation naturally in the pond behind the convective region in the filling, salinity from top to bottom increases progressively between upper and lower convective region;
4), convective region in the filling: convective region 8 in the top filling of non-convective region, last convective region is a fresh water, makes its thickness account for the dark 10-20% in whole pond; And put printing opacity on the fresh water aquifer surface and prevent ripple device 9.
It should be noted that at last: above embodiment only in order to the explanation the present invention and and unrestricted technical scheme described in the invention; Therefore, although this specification has been described in detail the present invention with reference to each above-mentioned embodiment,, those skilled in the art still can make amendment or is equal to replacement the present invention; And all do not break away from the technical scheme and the improvement thereof of the spirit and scope of the present invention, all should be encompassed in the claim scope of the present invention.
Claims (2)
1, the efficient heat utilization method of a kind of nonsaturated solar pond comprises solar pond, it is characterized in that: described efficient heat utilization method comprises the following steps:
1), place mat impervious barrier: along solar pond inwall place mat one deck impervious barrier;
2), place mat thin layer: side thin film layer in impervious barrier is respectively arranged with water inlet pipe and drainpipe between two ends, solar pond bottom, impervious barrier and the thin layer;
3), convective region under the filling: by solar pond bottom water inlet pipe, under filling between impervious barrier and the thin layer convective region, make its thickness account for the dark 20-30% in whole pond;
4), the non-convective region of filling: in the non-convective region of thin layer top filling, the non-convective region salinity of intaking for the first time is identical with the convective region salinity, makes its thickness account for the dark 50-70% in whole pond, forms a kind of following convective region and interface, non-convective region that is isolated by film;
5), convective region in the filling: convective region in the top filling of non-convective region, last convective region is a fresh water, makes its thickness account for the dark 10-20% in whole pond; And put printing opacity on the fresh water aquifer surface and prevent the ripple device.
2, the efficient heat utilization method of a kind of nonsaturated solar pond comprises solar pond, it is characterized in that: described efficient heat utilization method comprises the following steps:
1), arrange capsule: arranged in series is a plurality of in the solar pond bottom
The 100-200cm capsule, each capsule top is provided with steam vent; Be interconnected by pipeline valve between the capsule, two capsules at two ends are respectively arranged with water inlet pipe and drainpipe;
2), convective region under the filling:,, make its thickness account for the dark 20-30% in whole pond with convective region water inlet at present by sand filter water inlet pipe filling capsule; Water salinity is identical with following convective region salinity in the capsule;
3), the non-convective region of filling: in the following non-convective region of top, convective region filling, the non-convective region salinity of intaking for the first time is identical with following convective region salinity, makes its thickness account for the dark 50-70% in whole pond;
4), convective region in the filling: convective region in the top filling of non-convective region, last convective region is a fresh water, makes its thickness account for the dark 10-20% in whole pond; And put printing opacity on the fresh water aquifer surface and prevent the ripple device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101721577A CN101398227B (en) | 2008-11-12 | 2008-11-12 | High-efficiency heat utilization method for nonsaturated solar pond |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101721577A CN101398227B (en) | 2008-11-12 | 2008-11-12 | High-efficiency heat utilization method for nonsaturated solar pond |
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| CN101398227A true CN101398227A (en) | 2009-04-01 |
| CN101398227B CN101398227B (en) | 2010-12-08 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075819A (en) * | 2013-03-01 | 2013-05-01 | 河南理工大学 | Composite porous medium salt-gradient solar pond |
| CN103449546A (en) * | 2013-06-19 | 2013-12-18 | 浙江省海洋开发研究院 | System for comprehensive utilization of concentrated seawater by using solar pond |
| CN104696107A (en) * | 2013-12-10 | 2015-06-10 | 上海宇航系统工程研究所 | Follow-up device for loading-unloading connector |
| CN109539569A (en) * | 2018-11-12 | 2019-03-29 | 西安交通大学 | Solar pond |
| CN110032217A (en) * | 2019-04-18 | 2019-07-19 | 燕山大学 | Device capable of controlling thickness of non-convective layer of solar pond |
-
2008
- 2008-11-12 CN CN2008101721577A patent/CN101398227B/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075819A (en) * | 2013-03-01 | 2013-05-01 | 河南理工大学 | Composite porous medium salt-gradient solar pond |
| CN103075819B (en) * | 2013-03-01 | 2015-03-04 | 河南理工大学 | Composite porous medium salt-gradient solar pond |
| CN103449546A (en) * | 2013-06-19 | 2013-12-18 | 浙江省海洋开发研究院 | System for comprehensive utilization of concentrated seawater by using solar pond |
| CN104696107A (en) * | 2013-12-10 | 2015-06-10 | 上海宇航系统工程研究所 | Follow-up device for loading-unloading connector |
| CN109539569A (en) * | 2018-11-12 | 2019-03-29 | 西安交通大学 | Solar pond |
| CN109539569B (en) * | 2018-11-12 | 2019-10-15 | 西安交通大学 | Solar pond |
| CN110032217A (en) * | 2019-04-18 | 2019-07-19 | 燕山大学 | Device capable of controlling thickness of non-convective layer of solar pond |
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| Publication number | Publication date |
|---|---|
| CN101398227B (en) | 2010-12-08 |
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