CN102788439B - Water tank for double-capacity water heater - Google Patents
Water tank for double-capacity water heater Download PDFInfo
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- CN102788439B CN102788439B CN201210244383.8A CN201210244383A CN102788439B CN 102788439 B CN102788439 B CN 102788439B CN 201210244383 A CN201210244383 A CN 201210244383A CN 102788439 B CN102788439 B CN 102788439B
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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
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Abstract
The invention relates to a water tank for a double-capacity water heater. The water tank comprises a shell, a heat-insulating layer, phase-changing heat capacity materials, a first heat exchanger and a second heat exchanger, wherein the first and second heat exchangers are uniformly wrapped by the phase-changing heat capacity materials in the shell; the heat-insulating layer is uniformly distributed on the outer layer of the shell; the first heat exchanger is connected with a water path; the second heat exchanger is connected with a heat collector (such as an output pipeline of a solar heat collector or a heat pump heat collector) or an auxiliary heater is arranged in the water tank; or the second heat exchanger is connected with the water path and the first heat exchanger is connected with the heat collector; and the heat exchange is carried out by the two heat exchangers in the phase-changing heat capacity materials. The heat storage capacity of the water tank provided by the invention is above 4 times that of the water tank in the same volume; generally, the materials and the costs of the water tank are saved; convenience is brought to the mounting of solar equipment; an outer shell and an inner shell of the water tank for the double-capacity water heater both need not bear the pressure; and after hot water is received from the water path, the hot water is immediately drained after being boiled.
Description
Technical field
The present invention relates to a kind of water-heater water tank, also relate to solar water container, belong to solar energy utilization technique field.
Background technology
Chinese patent CN201010033714.4 solar water heater water tank, comprise a thermal-insulating body, the inside of casing is provided with the enamel cistern of a tubular, in the bottom wall of water tank, be connected with a heat extraction tubular type vacuum tube, water tank bottom two ends are respectively arranged with water inlet pipe and outlet pipe, the delivery port of water inlet pipe, lower than the water inlet of outlet pipe, is provided with a pipe heat exchanger in water tank.
CN200710165465 solar water container; Comprise: have thermal insulation layer the superincumbent low radiation heat insulation glass of casing, water inlet pipe and water outlet pipe, covering, swim in the solar absorption panels of the water surface.Wherein low radiation heat insulation glass adopts hollow or vacuum low emissivity glass.The solar absorption panels that swims in the water surface is made by metal, glass or plastics.CN201110152878., a kind of solar energy hot water tank is disclosed, comprise outer barrel (5), be arranged on inner bag (3) and chuck (4) in urceolus (5), wherein, the outer wall of chuck (4) parcel inner bag (3), the outer wall of inner bag (3) is provided with burr, this burr is connected with the inwall of chuck (4), forms helical form runner;
CN200810157971 solar storage water tank, it comprises water tank, a side lower part of water tank is provided with outlet pipe interface; The side top of water tank is provided with automatic water compensating valve, it comprises admitting pipe joint, valve body and floating drum said automatic water compensating valve, the water inlet end of valve body is connected with admitting pipe joint, in the connecting portion of admitting pipe joint and valve body, establish spring, in valve body, be provided with the cone spool with connecting rod, one end of spring is sleeved on cone spool, and the water side of valve body is provided with the floating drum spacer with stopper slot, and the connecting rod on cone spool is connected with floating drum through the stopper slot on floating drum spacer.
CN201010298282 is a kind of pair of water tanks solar energy hot-water heating system, comprise heat collector, boiler and support, heat collector upper end is communicated with boiler, heat collector and boiler are erected on support, described boiler one side is provided with cold water storage cistern, cold water storage cistern bottom is communicated with boiler bottom by mozzle, and feed pipe is communicated with cold water storage cistern bottom, and the pipeline of described feed pipe is provided with water pump.
CN201010136363.X separated type solar heat storage water tank is divided into two water spaces by traditional water tank with space bar; each water space all has independently water inlet and gas extraction system, and each water space separated type solar heat storage water tank of adopting different thermal-collecting tube mode of heatings to heat; The present invention is comprised of water tank, heater, A water inlet pipe, outlet pipe, thermal-collecting tube, temperature and level sensor, air bleeding valve and B water inlet pipe.
Water tank requires high insulating effect, and the water yield of holding is large, and this needs volume large, and insulation material is thick, cost is high, and the hot water holding is subject to the restriction of maximum temperature in fact.In order to guarantee the supply of hot water, still to spell capacity and the volume of water tank, the water tank of prior art still needs but prior art does not relate to the water tank that doubly holds heat storage, is particularly useful for water-heater water tank.
Summary of the invention
The object of the invention is, propose a kind of times and hold water-heater water tank, at relatively little volume, there is double or larger thermal capacity, can supply the hot water water yield of double or larger multiple, the volume that corresponding minimizing water tank is installed, identical adiabator layer can hold larger hot water, the present invention also aims to, do not need by the metric system of pressure-bearing for water tank, and there is the ability of the instant-heating and outlet hot of press-bearing water tank while using completely.
Technical scheme of the present invention is: doubly hold water-heater water tank, comprise housing, heat-insulation layer, heat of transformation capacity materials, the first and second heat exchangers, in its middle shell, heat of transformation capacity materials evenly surrounds the first and second heat exchangers, heat-insulation layer is uniformly distributed in housing skin, First Heat Exchanger is connected to water route, the second heat exchanger is connected in heat collector (as solar thermal collector or heat pump heat collector output pipe), or in water tank, is provided with auxiliary heater.Or second heat exchanger be connected to water route, First Heat Exchanger is connected in heat collector, two heat exchangers carry out heat exchange in heat of transformation capacity materials.
Phase-change material adopts multiple, utilize latent heat of phase change material heat accumulation, typical in Sodium acetate trihydrate, Sodium acetate trihydrate is a kind of very potential hydrous salt phase transition energy-storing material, can add nucleator (as sodium pyrosulfate etc.), now Sodium acetate trihydrate solidifies with regard to the rapid release heat of energy, produces optimum phase transformation circulating effect, and the residing temperature range ceiling temperature of Sodium acetate trihydrate should be 63.5 ℃ of left and right.Sodium acetate trihydrate latent heat of phase change can reach 250J/g, is equivalent to heats more than 60 cards, and the latent heat of phase change of the Sodium acetate trihydrate of 50Kg reaches 3000 kilocalories, can make the water of 100 liters raise 30 degrees Celsius.Therefore, the water tank of same volume, quantity of heat storage of the present invention is the more than 4 times of same volume water tank.
The first and second heat exchangers are metal heat exchanger made, especially all adopt copper spiral coil, and the diameter of two groups of copper spiral coils of the first and second heat exchangers varies, and one group of copper spiral coil is inner at the spiral of another group copper spiral coil.
The invention has the beneficial effects as follows: the hot water holding in water tank is subject to the restriction of maximum temperature in fact, in order to guarantee the supply of hot water, still to spell capacity and the volume of water tank, the quantity of heat storage of water tank of the present invention is the more than 4 times of same volume water tank, in general, saved Radiator material and cost, brought convenience also to the installation of solar facilities, the present invention doubly holds the shell of water-heater water tank and inner casing all need not pressure-bearing, and hot water opened after picking out by water.And the present invention is also according to the structure of copper helix tube type, is provided with the Emergent water tank of complementary heating, more convenient in actual Emergency use.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is copper spiral coil structural representation.
The specific embodiment
Shown in figure: doubly hold water-heater water tank, comprise temperature probe 1, inner bag upper cover plate 2, phase-change heat-storage material (heat of transformation capacity materials) 3, expanded material (heat-insulation layer) 4, housing (plastic inner container) 5, first and second heat exchanger (copper spiral coil) 6,7, water inlet pipe 8, outlet pipe 9, red copper inner bag 10, relief valve 11, inner bag lower cover 12, heating rod 13, the second water inlet pipe 14.
In its middle shell, heat of transformation capacity materials evenly surrounds and is distributed on the first and second heat exchangers, the first and second heat exchangers are metal heat exchanger made, the first and second heat exchangers also can adopt the flat metallic recuperator of multi-disc (during square chest structure, the flat metallic recuperator of the first and second heat exchangers is interspersed); During circle water tank, especially all adopt copper spiral coil, the diameter of two groups of copper spiral coils of the first and second heat exchangers varies, and one group of copper spiral coil is inner at the spiral of another group copper spiral coil.The copper spiral coil of outer ring is water route (heat exchange area is larger).
Another kind of structure is: in housing 1, be heat-conducting liquid medium, in this liquid medium, hydrous salt phase transition energy-storing material is wrapped in several metals or baton round, the shape need of two groups of heat exchangers of the first and second heat exchangers is not high, all by means of the uniformly transfer heat of the conduction oil in water tank (can adopt boiling point to reach the conduction oil of 250-300 degree Celsius).As while being specifically designed to solar water container, for prevent when overcast and rainy without the input of thermal-arrest source, can adopt auxiliary heater (electrical bar input), auxiliary heater is inputted thermal source or the conduction oil in water tank so far.The structure of heat pump or solar energy input thermal source is that the second heat exchanger is as the heat exchanger (the heat pump compressor circulatory system is prior art) of the heat pump compressor circulatory system (or solar energy).
Heat-insulation layer (employing hard bubble PU) is evenly distributed on housing skin, and heat-insulation layer outside is also provided with shell, on shell, can be provided with control device.First Heat Exchanger is connected in water route, and cold water enters hot water and goes out, and the second heat exchanger is connected in the output pipe of solar thermal collector or other thermal source, and phase-change material adopts multiple, utilizes latent heat of phase change material heat accumulation, typical in Sodium acetate trihydrate.
Another kind of embodiment: referring to accompanying drawing, be 18-26cn at the overall diameter of the second heat-exchanger copper spiral coil 7 of inside, the internal diameter of First Heat Exchanger copper spiral coil 6 is greater than the second heat exchanger external diameter.The pipe inside of first and second heat-exchanger copper spiral coil 6,7 is provided with copper inner bag, copper inner bag forms bearing type water tank, on the end cap of copper inner bag and extend and be provided with heating rod and the second water inlet pipe and the second outlet pipe in inner bag, for Emergency use hot water, if this hot water temperature's height also can pass to heat heat of transformation capacity materials layer a bit.
Claims (1)
1. times hold water-heater water tank, comprise housing, heat-insulation layer, heat of transformation capacity materials, the first and second heat exchangers, in its middle shell, heat of transformation capacity materials evenly surrounds the first and second heat exchangers, heat-insulation layer is uniformly distributed in housing skin, First Heat Exchanger is connected to water route, and the second heat exchanger is connected in heat collector; The first and second heat exchangers are copper spiral coil, and the diameter of two groups of copper spiral coils of the first and second heat exchangers varies, and one group of copper spiral coil is in the spiral inner shell of another group copper spiral coil; Heat of transformation capacity materials is heat-conducting liquid medium, in this liquid medium, phase-changing energy storage material is wrapped in several metals or baton round; Pipe inside at first and second heat-exchanger copper spiral coil is provided with copper inner bag, and copper inner bag forms bearing type water tank, on the end cap of copper inner bag and extend and be provided with heating rod and the second water inlet pipe and the second outlet pipe in inner bag; Overall diameter at the second heat-exchanger copper spiral coil of inside is 18-26cm, and the internal diameter of First Heat Exchanger copper spiral coil is greater than the second heat exchanger external diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210244383.8A CN102788439B (en) | 2012-07-16 | 2012-07-16 | Water tank for double-capacity water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210244383.8A CN102788439B (en) | 2012-07-16 | 2012-07-16 | Water tank for double-capacity water heater |
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| Publication Number | Publication Date |
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| CN102788439A CN102788439A (en) | 2012-11-21 |
| CN102788439B true CN102788439B (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210244383.8A Expired - Fee Related CN102788439B (en) | 2012-07-16 | 2012-07-16 | Water tank for double-capacity water heater |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103528412A (en) * | 2013-10-24 | 2014-01-22 | 镇江新梦溪能源科技有限公司 | Inside and outside double-spiral-type heat reservoir |
| CN105004078A (en) * | 2015-07-06 | 2015-10-28 | 江苏光芒新能源股份有限公司 | Phase-change heat storage water tank |
| CN105783244A (en) * | 2015-11-19 | 2016-07-20 | 厦门阿玛苏电子卫浴有限公司 | Quick heat electric water heater with phase change materials |
| CN112648749A (en) * | 2020-12-28 | 2021-04-13 | 真木农业设备（安徽）有限公司 | High-efficiency heat storage and exchange device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201083426Y (en) * | 2007-06-25 | 2008-07-09 | 于彬芝 | Electric water heater |
| CN201731656U (en) * | 2010-05-12 | 2011-02-02 | 皇明太阳能股份有限公司 | Solar water heating system with phase change thermal storage device |
| CN101968328A (en) * | 2010-09-29 | 2011-02-09 | 北京建筑工程学院 | Phase-change energy storage device |
| CN201875982U (en) * | 2010-11-30 | 2011-06-22 | 广西诚基永信太阳能科技工程有限公司 | Double-coil pipe pressure-bearing solar water tank |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0339863A (en) * | 1989-07-07 | 1991-02-20 | Arusu Japan:Kk | Solar heat hot water heater |
| CN201297788Y (en) * | 2008-07-11 | 2009-08-26 | 上海锦立新能源科技有限公司 | Solar energy phase change thermal storage collector tube |
| CN101782284A (en) * | 2009-01-19 | 2010-07-21 | 刘伟杰 | Phase-change heat storage water tank used for solar water heater |
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2012
- 2012-07-16 CN CN201210244383.8A patent/CN102788439B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201083426Y (en) * | 2007-06-25 | 2008-07-09 | 于彬芝 | Electric water heater |
| CN201731656U (en) * | 2010-05-12 | 2011-02-02 | 皇明太阳能股份有限公司 | Solar water heating system with phase change thermal storage device |
| CN101968328A (en) * | 2010-09-29 | 2011-02-09 | 北京建筑工程学院 | Phase-change energy storage device |
| CN201875982U (en) * | 2010-11-30 | 2011-06-22 | 广西诚基永信太阳能科技工程有限公司 | Double-coil pipe pressure-bearing solar water tank |
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| CN102788439A (en) | 2012-11-21 |
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Granted publication date: 20140409 Termination date: 20180716 |