CN202083134U - CPC (compound parabolic concentrator) heat pipe vacuum pipe type solar water boiler - Google Patents
CPC (compound parabolic concentrator) heat pipe vacuum pipe type solar water boiler Download PDFInfo
- Publication number
- CN202083134U CN202083134U CN201120176295XU CN201120176295U CN202083134U CN 202083134 U CN202083134 U CN 202083134U CN 201120176295X U CN201120176295X U CN 201120176295XU CN 201120176295 U CN201120176295 U CN 201120176295U CN 202083134 U CN202083134 U CN 202083134U
- Authority
- CN
- China
- Prior art keywords
- heat
- heat pipe
- water tank
- cpc
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 94
- 150000001875 compounds Chemical class 0.000 title abstract description 4
- 239000008236 heating water Substances 0.000 claims abstract description 38
- 238000009835 boiling Methods 0.000 claims abstract description 25
- 239000011521 glass Substances 0.000 claims abstract description 20
- 229920001971 elastomer Polymers 0.000 claims abstract description 13
- 239000005060 rubber Substances 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims description 13
- 238000009833 condensation Methods 0.000 claims description 10
- 230000005494 condensation Effects 0.000 claims description 10
- 230000000740 bleeding effect Effects 0.000 claims description 5
- 238000005485 electric heating Methods 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000004321 preservation Methods 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 description 4
- 230000002354 daily effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910018509 Al—N Inorganic materials 0.000 description 2
- IWBUYGUPYWKAMK-UHFFFAOYSA-N [AlH3].[N] Chemical compound [AlH3].[N] IWBUYGUPYWKAMK-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229920002449 FKM Polymers 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 229910000743 fusible alloy Inorganic materials 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Images
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
- 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
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The utility model relates to a CPC (compound parabolic concentrator) heat pipe vacuum pipe type solar water boiler, which includes a receiver, a heating water tank and a heat preservation water tank, wherein the receiver includes a CPC condenser, a heat pipe vacuum pipe heat collector; the heat pipe vacuum pipe heat collector is placed on a focal axis of the CPC condenser, and includes a double glass vacuum pipe filled with heat-conducting medium and a heat pipe; one end of the heat pipe is sealed at the double glass vacuum pipe through a rubber seal ring; the other end of the heat pipe is hermetically connected with the heating water tank through threads; and a water outlet of the heating water tank and a water inlet of the heat preservation water tank are connected through a water outlet pipe. The CPC heat pipe vacuum pipe type solar water boiler overcomes limitation of the solar energy in high-grade thermal utilization, improves solar energy heat utilization efficiency, reduces resource waste, environment pollution and cost, and can meet daily requirement of people on temperature of boiling water.
Description
Technical field
The utility model relates to a kind of device that utilizes solar energy to boil water, and relates in particular to the CPC heat-tube vacuum tubular type solar boiler of a kind of CPC (Compound Parabolic Concentrator) and heat-tube vacuum tubular type solar thermal collector coupling.
Background technology
Boiler is a requisite boiling water heater during people work, learn, live.Boiling water or high-temperature-hot-water are higher to requirements in water quality, must meet hygienic standard.Requirement to water temperature is also higher, preferably can be boiled or burn 95~100 ℃.Though the universal hot water demand who has solved aspects such as people have a bath, laundry to a great extent of solar water heater, but owing to what sell on the market at present mainly is full glass vacuum tube solar water heater and part flat casing water-heater, both do not have bearing capacity substantially, the hot water temperature who is heated generally only can reach 70 ℃, so the use of solar water heater is difficult to satisfy the temperature requirements of daily people to boiling water.
Water dispenser has entered huge numbers of families with advantages such as its small volume and less weight, efficient height at present.Though the water dispenser cost is not high, it adds, and electric energy that hot water consumes still should not be underestimated.In addition, from the angle of environment, the use of water dispenser has also caused pollution to environment to a certain extent.Though people are little to the requirement of boiling water, enough about three-person household 10L every day, if develop a kind of new type solar energy boiler, will reduce the waste of the energy, and alleviate pollution environment.
The solar collecting performance of hot water grade and heat collector is relevant.The unidirectional heat transfer of heat pipe vacuum tube collector can effectively reduce heat waste and solve duct ligation dirt problem in the vacuum tube.Sunshine is passed to heat pipe evaporator section with heat after the glass tube with vacuum selectivity absorbs, by heat pipe evaporator section through Working fluid phase changing with the heat transferred heating working medium.Yan Jun is in " heat pipe vacuum tube collector and solar water heating system " (regenerative resource, 2008,26 (5): 68~71) summed up three kinds of versions of heat-pipe vacuum-tube solar heat collector: first kind of employing hot-press sealing technology will have heat pipe dull and stereotyped fin, that have anti-freezing property and be encapsulated in the individual layer vacuum tube; Second kind of heat pipe that will have the cylindrical shape fin is encapsulated in the double-glass evacuated tube, by the fin heat transfer of hot-air tube-surface in being close in managing; The third is encapsulated in heat pipe in the double-glass evacuated tube, injects the higher boiling liquid heat transfer medium between vacuum pipe inner cavity and the heat pipe outer wall.At present, the application of heat pipe vacuum tube collector in middle-size and small-size boiler do not appear in the newspapers as yet.
Compound parabolic concentrator (being called for short CPC) type is a kind of novel solar concentrating system.This kind concentrator can be collected the given incident ray of accepting in the angular region on the receiver by desirable optically focused ratio according to the design of rim ray principle.Relative slot-type optical collector, Small-sized C PC need not to follow the tracks of, and cost is lower.And CPC can make up with building roof, metope etc. easily, improves solar photoelectric, photo-thermal systematic function.Small-sized C PC is applied to heat pipe vacuum tube collector can improve collecting efficiency.
Summary of the invention
The purpose of this utility model is in order to overcome the limitation of solar energy in the high-grade heat utilization, improve the solar thermal utilization rate, reduce the wasting of resources and environmental pollution, reduce cost, satisfy the daily demand of people simultaneously, and a kind of CPC heat-tube vacuum tubular type solar boiler is provided boiling water.
The technical solution of the utility model is: by CPC concentrator optically focused, heat pipe vacuum tube collector absorbs solar heat, via heat-conducting medium in the vacuum tube with the heat transferred heat pipe, the heat pipe phase-change heat transfer, water in the water tank is heated to the temperature of drinking water, realizes efficiently utilizing solar energy to save resource such as electric energy.
Concrete technical scheme of the present utility model is: a kind of CPC heat-tube vacuum tubular type solar boiler, form by receiver, heating water tank and attemperater; Wherein receiver is made up of CPC concentrator, heat pipe vacuum tube collector, and heat pipe vacuum tube collector places on the focal axis of CPC concentrator, and wherein heat pipe vacuum tube collector is made up of the double-glass evacuated tube that heat-conducting medium is housed, heat pipe and rubber seal; Heat pipe one end is sealed in the double-glass evacuated tube one section by rubber seal and is evaporator section, and another section is a condensation segment; One end of the evaporator section of heat pipe is fixed and is sealed at the double-glass evacuated tube opening part by rubber seal, and the other end of the evaporator section of heat pipe places heat-conducting medium; The condensation segment of heat pipe is tightly connected by screw thread and heating water tank; Receiver and heating water tank are by the condensation segment thread seal of heat pipe; Temperature sensor is housed above the heating water tank, and liquid level sensor and cold water inlet valve are established in the side, and the cold water inlet valve connects with inlet pipeline; The heating water tank bottom is provided with delivery port, and attemperater top is provided with water inlet, and delivery port connects by outlet pipeline with water inlet, and outlet pipeline is provided with the boiling water flowing water Valve.
Wherein receiver is fixed by support; Above the described heating water tank relief valve is housed; Electric heating device is equipped with in the bottom surface inboard, when the solar energy irradiation intensity is not enough, heats by electric heating device; Air bleeding valve is equipped with at the attemperater top.
Described CPC concentrator by the parabolic type of two film trap shapes and gradually the composite surface of open form form; Wherein composite surface is silver-plated or aluminize towards sunny side, is the combined light gathering mirror of high specular reflectivity.Described CPC concentrator can adopt tracking mode, prolongs the day utilization ratio of solar energy with this.
Described receiver, CPC concentrator and heat pipe vacuum tube collector can adopt 5~10 group of receivers distributed arrangement to shorten single heating boiling water required time on little optically focused is more basic than (1~3); Employing is applied to large-scale water-heater system or is used to produce steam vapour system more than 10 (being generally 10~100) group of receivers distributed arrangement.
Technology described in the utility model also can be used on the design of family expenses kitchen treasured, steam rice cooker, pressure cooker.
Described double-glass evacuated tube internal layer is coated with coating for selective absorption aluminium-nitrogen/aluminium (Al-N/Al).Preferred stainless steel of the material of described heat pipe or aluminium, copper.Heat-conducting medium in the described vacuum tube between pipe and the heat pipe is conduction oil, paraffin and low-melting alloy.The heat-conducting medium serviceability temperature of the filling in the described vacuum tube between pipe and the heat pipe is higher than 100 ℃, and loading is 1/3~1/2 of a double-glass evacuated tube capacity.
Described rubber seal adopts anti-silicon rubber, acrylonitrile-butadiene rubber, neoprene or the viton seal ring that is higher than 100 ℃ of temperature.
The operating scheme of realizing above-mentioned utility model purpose is:
CPC heat-tube vacuum tubular type solar boiler operation workflow may further comprise the steps:
(1) cold water enters heating water tank, utilizes liquid level sensor to control its liquid level and is 95%~98% of water tank height;
(2) solar receiver with the heat that absorbs by the water in the heat pipe heating water tank.
(3) water temperature in the temperature sensor control water tank is opened the boiling water flowing water Valve at 98~100 ℃ of temperature sections, and boiling water enters attemperater.
(4) (the cold water water intaking valve is opened when being generally 1~10mm), and the boiling water flowing water Valve is closed, and repeats above-mentioned steps when liquid level in the heating water tank reaches setting value.
As further improvement of the utility model, aforementioned liquid level sensor can be changed to turbine flowmeter, and then above-mentioned steps (1), step (3) can be replaced by following steps (1), step (3):
(1) cold water enters heating water tank, record flow at 0.05~0.2L/s by turbine flowmeter, thereby draw the cold water volume that sets and enter the needed time range 0.5~2min of heating water tank, the time reaches setting value and (then stops into cold water after setting 0.5~2min) according to actual conditions.
(3) water temperature in the temperature sensor control heating water tank, open the boiling water flowing water Valve at 98-100 ℃ of temperature section, record flow 0.05~0.1L/s by turbine flowmeter, thereby draw the boiling water volume that sets and enter the needed time range 1~2min of attemperater, reach this time value then the boiling water flowing water Valve close, the cold water inlet valve is opened, and cold water enters heating water tank, repeats above-mentioned steps.
Beneficial effect:
The utility model overcomes the limitation of solar energy in the high-grade heat utilization, improves the solar thermal utilization rate, reduces the wasting of resources and environmental pollution, reduces cost, and can satisfy the temperature requirements of daily people to boiling water.
Description of drawings
Fig. 1 is the utility model system principle structural representation;
Fig. 2 is the solar attachment cutaway view;
Fig. 3 is 5 group of receivers boiling water system architecture schematic diagrames; 1-attemperater wherein, 2-boiling water flowing water Valve, 3-electric heating device, 4-cold water inlet valve, 5-heating water tank, 6-temperature sensor, the 7-relief valve, 8-liquid level sensor, 9-receiver, the 10-rubber seal, 11-CPC concentrator, 12-double-glass evacuated tube, the 13-heat-conducting medium, 14-heat pipe, 15-heat pipe vacuum tube collector, the 16-support, 17-air bleeding valve, 18-raw material band.
The specific embodiment
Be described further below in conjunction with embodiment, but do not limit the scope of application of the present invention.
Embodiment 1
As shown in Figure 1 and Figure 2, CPC heat-tube vacuum tubular type solar boiler is made up of receiver 9, heating water tank 5 and attemperater 1; Wherein receiver 9 is made up of CPC concentrator 11, heat pipe vacuum tube collector 15, heat pipe vacuum tube collector 15 places on the focal axis of CPC concentrator 11, receiver 9 is fixing by support 16, and wherein heat pipe vacuum tube collector 15 is made up of the double-glass evacuated tube 12 that heat-conducting medium 13 is housed, heat pipe 14 and rubber seal 10; Heat pipe 14 1 ends are sealed in the double-glass evacuated tube one section by rubber seal 10 and are evaporator section, and another section is a condensation segment; One end of the evaporator section of heat pipe 14 is fixed and is sealed at double-glass evacuated tube 12 opening parts by rubber seal 10, and the other end of the evaporator section of heat pipe 14 places heat-conducting medium 13; The condensation segment of heat pipe 14 twines raw material band 18 and is tightly connected by screw thread and heating water tank 5.Receiver 9 and the condensation segment thread seal of heating water tank 5 by heat pipe 14, heating water tank 5 bottoms are provided with delivery port, and attemperater 1 top is provided with water inlet, connects heating water tank 5 and attemperater 1 by outlet pipeline; Outlet pipeline is provided with boiling water flowing water Valve 2.Temperature sensor 6 wherein is housed above the heating water tank 5, and liquid level sensor 8 and cold water inlet valve 4 are established in the side, and cold water inlet valve 4 connects with inlet pipeline; Outlet pipeline connects by boiling water flowing water Valve 2 with attemperater 1.Relief valve 7 is housed above the heating water tank 5; Electric heating device 3 is equipped with in the bottom surface inboard; Air bleeding valve 17 is equipped with at attemperater 1 top.
Cold water enters heating water tank 6 (highly being 260mm) by inlet valve 4, utilizes liquid level sensor 8 its liquid levels of control, stops into water when reaching liquid level setting value (245mm).CPC concentrator 11 converges to sunshine the double-glass evacuated tube 12 interior pipes of external diameter Φ 47mm, coating for selective absorption aluminium-nitrogen/aluminium (Al-N/Al) in the double-glass evacuated tube that is coated on the pipe absorbs solar heat and passes through heat-conducting medium 13 with the heat pipe evaporator section in the heat transferred vacuum tube 14, the medium vaporization of heat pipe the inside is also emitted water in heat thereby the heating water tank 5 in the heat pipe condenser section condensation, air bleeding valve 7 exhausts, boiled until cold water.Water temperature in the temperature sensor 6 control heating water tank 5 is opened boiling water flowing water Valve 2 during to 98~100 ℃, and boiling water enters attemperater 1.When liquid level in the heating water tank 6 reached setting value (5mm), cold water inlet valve 4 was opened, and boiling water flowing water Valve 2 is closed, and carried out secondary process that boils water.
When overcast and rainy or solar irradiation is strong, can boil water, to remedy the deficiency of solar energy by the electric heater in the heating water tank 3.Control flow is the same.
As shown in Figure 3, be the boiling water system schematic that 5 group of receivers are arranged.When a group of receivers can not satisfy the thermal-arrest requirement,, carry out the water heating then by the parallel connection of many group of receivers.5 groups of small-sized receivers 9 are arranged in parallel, and collection area is 1.92m
2With heat pipe and heating water tank 5 sealing-ins, prevent that the water of heating water tank 5 from leaking outside by top-quality rubber sealing ring 18.For the running water (20 ℃) of 10L, can be boiled in 40 minutes in this device.
Claims (5)
1. a CPC heat-tube vacuum tubular type solar boiler is made up of receiver (9), heating water tank (5) and attemperater (1); Wherein receiver (9) is made up of CPC concentrator (11), heat pipe vacuum tube collector (15); Heat pipe vacuum tube collector (15) places on the focal axis of CPC concentrator (11); Wherein heat pipe vacuum tube collector (15) is made up of the double-glass evacuated tube that heat-conducting medium (13) are housed (12), heat pipe (14) and rubber seal (10); One section of being sealed in the double-glass evacuated tube by rubber seal (10) of heat pipe (14) one ends is evaporator section, another section is a condensation segment, the evaporator section of heat pipe (14) is fixed and is sealed at double-glass evacuated tube (12) opening part by rubber seal (10), places heat-conducting medium (13); The condensation segment of heat pipe (14) is tightly connected by screw thread and heating water tank (5), and receiver (9) links to each other with the condensation segment of heating water tank (5) by heat pipe (14); Be provided with temperature sensor (6) above the heating water tank (5), liquid level sensor (8) and cold water inlet valve (4) are established in the side, and cold water inlet valve (4) connects with inlet pipeline; Heating water tank (5) bottom is provided with delivery port, and attemperater (1) top is provided with water inlet, and heating water tank (5) delivery port and attemperater (1) water inlet connect by outlet pipeline, and outlet pipeline is provided with boiling water flowing water Valve (2).
2. boiler according to claim 1 is characterized in that being equipped with above the described heating water tank (5) relief valve (7); Electric heating device (3) is equipped with in the bottom surface inboard; Air bleeding valve (17) is equipped with at attemperater (1) top.
3. boiler according to claim 1 is characterized in that described receiver (9) is fixing by support (16).
4. boiler according to claim 1, it is characterized in that described CPC concentrator by the parabolic type of two film trap shapes and gradually the open form composite surface form; Wherein composite surface is silver-plated or aluminize towards sunny side.
5. boiler according to claim 1 is characterized in that described heat pipe (14) material is stainless steel, aluminium or copper.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201120176295XU CN202083134U (en) | 2011-05-27 | 2011-05-27 | CPC (compound parabolic concentrator) heat pipe vacuum pipe type solar water boiler |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201120176295XU CN202083134U (en) | 2011-05-27 | 2011-05-27 | CPC (compound parabolic concentrator) heat pipe vacuum pipe type solar water boiler |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202083134U true CN202083134U (en) | 2011-12-21 |
Family
ID=45343760
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201120176295XU Expired - Lifetime CN202083134U (en) | 2011-05-27 | 2011-05-27 | CPC (compound parabolic concentrator) heat pipe vacuum pipe type solar water boiler |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN202083134U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102589151A (en) * | 2012-03-06 | 2012-07-18 | 皇明太阳能股份有限公司 | Solar energy cooker |
CN102944073A (en) * | 2012-11-17 | 2013-02-27 | 门立山 | Household middle-temperature solar water heater |
CN103954048A (en) * | 2014-05-23 | 2014-07-30 | 中国石油大学(华东) | Solar heat collecting and transporting device |
-
2011
- 2011-05-27 CN CN201120176295XU patent/CN202083134U/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102589151A (en) * | 2012-03-06 | 2012-07-18 | 皇明太阳能股份有限公司 | Solar energy cooker |
CN102944073A (en) * | 2012-11-17 | 2013-02-27 | 门立山 | Household middle-temperature solar water heater |
CN103954048A (en) * | 2014-05-23 | 2014-07-30 | 中国石油大学(华东) | Solar heat collecting and transporting device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN202361658U (en) | Optically-focused heat-pipe vacuum tube type solar anti-freezing water heater | |
CN106440411B (en) | A kind of high optically focused heat accumulating type solar heat hydrophone | |
CN102207340B (en) | Light-condensing type solar water heater | |
CN103604221A (en) | Lengthened vacuum heat insulation light collection pipe | |
CN101275785A (en) | High temperature hot pipe center receiver for tower type solar energy heat power generation | |
CN201593877U (en) | Solar thermal collector | |
CN202083134U (en) | CPC (compound parabolic concentrator) heat pipe vacuum pipe type solar water boiler | |
CN210832580U (en) | Phase-change temperature-control vacuum tube explosion-proof synergistic water heater | |
CN102943548B (en) | Construction curtain wall type flat-plate solar heat collector | |
CN201779886U (en) | Solar heat-collecting unit structure | |
CN105180484A (en) | Solar moderate-temperature heat collecting tube | |
CN101963407A (en) | Solar energy collection modular construction | |
CN201093777Y (en) | Double glass vacuum tube type solar heat collector | |
CN111059779A (en) | Solar water heater capable of preventing scales on heat collecting pipes | |
CN102455078A (en) | Internal-condensation metal inner tube type solar energy heat-collecting device | |
CN106196646A (en) | A kind of novel glass hot pipe type vacuum heat collection pipe | |
CN101781915A (en) | Solar energy wall body heat utilization system | |
CN106091416A (en) | A kind of interpolation three fin straight ribbed pipe vacuum tube collector | |
CN205980379U (en) | Straight ribbed pipe vacuum tube heat collector of three fins of interpolation | |
CN2929575Y (en) | Double layer heat insulation straight heat collecting tube and its assembly unit | |
CN208332714U (en) | A kind of heat pipe type flat plate solar collector | |
CN205137970U (en) | Medium temperature thermal -collecting tube of solar energy | |
CN201028821Y (en) | Internally plated film light concentration type all glass double vacuum heat collecting pipes | |
CN208688018U (en) | Water receiver and its solar water heater | |
CN214746533U (en) | Leak-proof solar heat collector with metal heat collecting pipes arranged in vacuum pipes |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20111221 |