CN202835850U - Multifunctional nonbearing split-type solar energy water-heating device - Google Patents

Multifunctional nonbearing split-type solar energy water-heating device Download PDF

Info

Publication number
CN202835850U
CN202835850U CN2012205162808U CN201220516280U CN202835850U CN 202835850 U CN202835850 U CN 202835850U CN 2012205162808 U CN2012205162808 U CN 2012205162808U CN 201220516280 U CN201220516280 U CN 201220516280U CN 202835850 U CN202835850 U CN 202835850U
Authority
CN
China
Prior art keywords
water
pipe
temperature
heat
type solar
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 - Fee Related
Application number
CN2012205162808U
Other languages
Chinese (zh)
Inventor
刘永久
耿再恩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SANBEISI SOLAR ENERGY EQUIPMENT CO Ltd
Original Assignee
SANBEISI SOLAR ENERGY EQUIPMENT CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SANBEISI SOLAR ENERGY EQUIPMENT CO Ltd filed Critical SANBEISI SOLAR ENERGY EQUIPMENT CO Ltd
Priority to CN2012205162808U priority Critical patent/CN202835850U/en
Application granted granted Critical
Publication of CN202835850U publication Critical patent/CN202835850U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/44Heat exchange systems

Abstract

The utility model relates to a multifunctional nonbearing split-type solar energy water-heating device which comprises a heat collector, a hot water storage tank, a coil heat exchanger, a heat supply pipeline, a heat supply valve assembly and a circulation water pump. The coil heat exchanger is arranged in the hot water storage tank. One end of the coil heat exchanger is connected with a high-temperature water outlet of the heat collector through a high-temperature circulation tube, and the other end of the coil heat exchanger is connected with a low-temperature reflux inlet of the heat collector through a low-temperature circulation tube. A float ball valve assembly is further arranged between the coil heat exchanger and the low-temperature circulation tube. The multifunctional nonbearing split-type solar energy water-heating device has the advantages of being simple and reasonable in structure due to combined piece installation, thoroughly solving the problems that top water heat supplying of a bearing water tank is unstable in temperature and sometimes hot and sometimes cold during bathing by adopting single pump double functions and changing the bearing water tank into a nonbearing water tank, and being safe and reliable to operate, low in failure rate, and long in service life due to the facts that the float ball valve assembly automatically eliminates expansion and water serves as a circulation medium.

Description

Multi-functional non-pressure-bearing separated type solar hot water apparatus
Technical field
The utility model relates to the apparatus for heating water by solar energy technical field, especially relates to multi-functional non-pressure-bearing separated type solar hot water apparatus.
Background technology
As everyone knows, the Domestic separating solar water heater, refer to the outside that solar energy optical-thermal conversion heat collector the is installed in building facade that faces south, storage tank is in architecture indoor, and realizes cycle heat exchange between heat collector and the water tank by power circulation system or heat pipe-type heat-conducting system.
In the prior art, Split type wall-hanging solar water heater as shown in Figure 1, it mainly is comprised of circulating pump 1 ', sun liquid expansion drum 2 ', media security valve 3 ', low-temperature circulating pipe 4 ', cold water pipe 5 ', hot-water line 6 ', press-bearing water tank 7 ', heat exchanger 8 ', safety valve of water tank 9 ', high temperature circulation pipe 10 ', solar thermal collector 11 ' etc.During operation, circulating pump forces " mixing circulation medium " circulation, and the heat of heat collector is transported to water tank by heat exchanger, and cold water is heated intensification; When using hot water, cold water is pressed into water tank hot water is ejected.Owing to the product structure reason, there is following shortcoming in this water heater: one, water tank is closed bearing structure, when using hot water, must inject cold water in water tank, could eject water tank to hot water; Because hot and cold water large capacity in water tank mixes, cold water source pressure is unstable in addition, causes hot water effluent's temperature unstable, and when hot water was sometimes hot and sometimes cold, temperature can sharply descend, and badly influences the comfort of bathing; If two water heaters for a long time need not, perhaps during hot weather, cause water tank and " mixing circulation medium " thereby the unlatching of HTHP safety valve, especially after " mixing circulation medium " is accompanied by safety valve unlatching loss, greatly reduce solar energy heating efficient, cause fault rate high, maintenance capacity is large; Three, the requirement of pressure-bearing water tank inner liner material is high, causes Split type wall-hanging solar water heater cost high.
Therefore, a kind of appearance rational in infrastructure, that fault is few, the New type detachable safeguarded of being easy for installation and maintenance can hot water apparatus is necessary.
The utility model content
The utility model is to provide multi-functional non-pressure-bearing separated type solar hot water apparatus for solving the problems of the technologies described above, and solved the temperature that press-bearing water tank " top water heat supply " brings unstable, the problem that bathing is sometimes hot and sometimes cold; Can realize with the circulation of water thermal-arrest and the same medium of heat supply by the ball-cock assembly assembly, solving tradition uses " mixing circulation medium " to add the difficult problem that the expansion drum fault is many, the life-span is short, maintenance capacity is large, and can the decrease product cost, maintenance is easy for installation and maintenance.
The technical problem that the utility model solves realizes by the following technical solutions:
Multi-functional non-pressure-bearing separated type solar hot water apparatus, comprise heat collector, heat storage water tank, coil heat exchanger, heat supplying pipeline, the heating valve group, water circulating pump, wherein, described coil heat exchanger is arranged in the described heat storage water tank, one end is connected with the high-temperature water outlet mouth of described heat collector by the high temperature circulation pipe, the other end is connected with the low temperature reflux mouth of described heat collector by the low-temperature circulating pipe, described water circulating pump is arranged on described low-temperature circulating pipe, described heat supplying pipeline is connected with described water circulating pump, described heating valve group is arranged on the described heat supplying pipeline, also is provided with the ball-cock assembly assembly between described coil heat exchanger and described low-temperature circulating pipe.
As preferred technical scheme, described ball-cock assembly assembly comprises housing, spool, bypass pipe, pull bar and ball float, and described bypass pipe is arranged at the bottom side of described housing, is connected with described coil heat exchanger, described spool is the polytetrafluoro taper valve core, is arranged in the described housing; Described pull bar top slides through the guide ring that is arranged at described housing top and is connected with described ball float, and the bottom is connected with described spool, and the housing between described guide ring and spool is provided with through hole.
As preferred technical scheme, on described bypass pipe, also be provided with safety valve.
As preferred technical scheme, described heating valve group comprises valve casing, four-way spool and check valve, described four-way spool and check valve are arranged in the described valve casing, the delivery port of described four-way spool is communicated with check valve, the check valve delivery port of described check valve is connected with the water inlet of four-way spool and forms common port at described valve casing, described common port is connected with described heat supplying pipeline, and the hot water mouth of described four-way spool, cold water outlet are respectively at Indoor Thermal water pipe, cold water pipe mechanical connection.
As preferred technical scheme, described heat collector comprises framework, be provided with many group W type hot type pipes at described framework, the homonymy of described W type hot type pipe is provided with a heat collector water inlet and a heat collector delivery port, and described heat collector water inlet is connected with the high-temperature water outlet mouth with described low temperature reflux mouth respectively with the heat collector delivery port.
As preferred technical scheme, described W type hot type pipe props up U-shaped pipe by 3-8 and vacuum heat collection pipe forms, and described U-shaped pipe is positioned in the described vacuum heat collection pipe.
As preferred technical scheme, be provided with heat-preservation cotton at described low temperature reflux mouth and high-temperature water outlet mouth.
As preferred technical scheme; between described coil heat exchanger and described high temperature circulation pipe, also be provided with bushing type magnesium rod; described bushing type magnesium rod comprises shell; be respectively arranged with into water short tube and water outlet short tube in the top and bottom of described shell; in described shell, be fixed with the magnesium rod, to protect heat storage water tank not to be corroded and to stop incrustation scale to generate.
As preferred technical scheme, in described heat storage water tank, be provided with overflow pipe, in described heat storage water tank, be provided with water-level and water-temperature sensor.
As preferred technical scheme, be provided with pressure gauge at described low temperature reflux pipe.
The beneficial effect that the utlity model has is: (1) adopts sub-assembly to install, and is simple and reasonable;
(2) adopt single pump difunctional, press-bearing water tank is changed into non-press-bearing water tank, thoroughly solved the temperature that press-bearing water tank " top water heat supply " brings unstable, the problem that bathing is sometimes hot and sometimes cold;
(3) by the automatically interior elimination expansion of ball-cock assembly assembly, safe and reliable to operation take water as circulatory mediator, failure rate is low, long service life.
Description of drawings
Fig. 1 is traditional Split type wall-hanging solar water heater structure schematic diagram;
Fig. 2 is the structure principle chart of the utility model New type detachable energy hot water apparatus;
Fig. 3 is the utility model ball-cock assembly assembly assumption diagram;
Fig. 4 is the utility model bushing type magnesium bar structure figure;
Fig. 5 is the utility model heating valve group structure chart;
Fig. 6 is the utility model W type hot type pipe collector structure figure;
Wherein: the 1-heat collector, the 2-heat storage water tank, the 3-coil heat exchanger, the 4-heat supplying pipeline, 5-heating valve group, the 6-water circulating pump, 7-high temperature circulation pipe, 8-low-temperature circulating pipe, 9-ball-cock assembly assembly, 10-bushing type magnesium rod, 11-high-temperature water outlet mouth, 12-low temperature reflux mouth, the 13-framework, 14-W type hot type pipe, 15-heat collector water inlet, 16-heat collector delivery port, 17-U type pipe, the 18-vacuum heat collection pipe, the 19-heat-preservation cotton, the 21-overflow pipe, the 22-water-level and water-temperature sensor, the 23-pressure gauge, the 51-valve casing, 52-four-way spool, the 53-check valve, the 54-delivery port, 55-check valve delivery port, the 56-water inlet, the 57-common port, the 58-hot water mouth, the 59-cold water outlet, the 81-shell, the 82-short tube of intaking, 83-water outlet short tube, 84-magnesium rod, the 91-housing, the 92-spool, the 93-bypass pipe, the 94-pull bar, the 95-ball float, the 96-guide ring, the 97-through hole, the 98-safety valve.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
With reference to shown in Figure 2, multi-functional non-pressure-bearing separated type solar hot water apparatus, comprise heat collector 1, heat storage water tank 2, coil heat exchanger 3, heat supplying pipeline 4, heating valve group 5, water circulating pump 6, wherein, described coil heat exchanger 3 is arranged in the described heat storage water tank 2, one end is connected with the high-temperature water outlet mouth 11 of described heat collector 1 by high temperature circulation pipe 7, the other end is connected with the low temperature reflux mouth 12 of described heat collector 1 by low-temperature circulating pipe 8, described water circulating pump 6 is arranged on described low-temperature circulating pipe 8, described heat supplying pipeline 4 is connected with described water circulating pump 6, described heating valve group 5 is arranged on the described heat supplying pipeline 4, in described heat storage water tank 2, be provided with overflow pipe 21 and water-level and water-temperature sensor 22, be provided with pressure gauge 23 at described low temperature reflux pipe 8.
With reference to shown in Figure 3, between described coil heat exchanger 3 and described low-temperature circulating pipe 8, also be provided with ball-cock assembly assembly 9, described ball-cock assembly assembly 9 comprises housing 91, spool 92, bypass pipe 93, pull bar 94 and ball float 95, described bypass pipe 93 is arranged at the bottom side of described housing 91, be connected with described coil heat exchanger 3, described spool 92 is the polytetrafluoro taper valve core, is arranged in the described housing 91; Described pull bar 94 tops slide through the guide ring 96 that is arranged at described housing 91 tops and are connected with described ball float 95, the bottom is connected with described spool 92, housing 91 between described guide ring 96 and spool 92 is provided with through hole 97, also is provided with safety valve 98 on described bypass pipe 93.
With reference to shown in Figure 4; in order to protect heat storage water tank 2 not to be corroded and to stop incrustation scale to generate; between described coil heat exchanger 3 and described high temperature circulation pipe 7, also be provided with bushing type magnesium rod 10; described bushing type magnesium rod 10 comprises shell 81; be respectively arranged with into water short tube 82 and water outlet short tube 83 in the top and bottom of described shell 81; be fixed with magnesium rod 84 in described shell 81, described water inlet short tube 82 is connected with coil heat exchanger 3 with described high temperature circulation pipe 7 respectively with water outlet short tube 83.In order to guarantee the water quality in the heat storage water tank 2, the flow section between magnesium rod 84 cylindricals and shell 81 inner circles is 5~7 times of water outlet short tube 83 flow sections.
With reference to shown in Figure 5, described heating valve group 5 comprises valve casing 51, four-way spool 52 and check valve 53, described four-way spool 52 and check valve 53 are arranged in the described valve casing 51, the delivery port 54 of described four-way spool 52 is communicated with check valve 53, the check valve delivery port 55 of described check valve 53 is connected with the water inlet 56 of four-way spool 52 and forms common port 57 at described valve casing 51, described common port 57 is connected with described heat supplying pipeline 4, and the hot water mouth 58 of described four-way spool 52, cold water outlet 59 are respectively at Indoor Thermal water pipe, cold water pipe mechanical connection.
With reference to shown in Figure 6, described heat collector 1 comprises framework 13, be provided with many group W type hot type pipes 14 at described framework 13, the homonymy of described W type hot type pipe 14 is provided with a heat collector water inlet 15 and a heat collector delivery port 16, described heat collector water inlet 15 is connected with high-temperature water outlet mouth 7 with described low temperature reflux mouth 8 respectively with heat collector delivery port 16, described W type hot type pipe 14 props up U-shaped pipe 17 by 3-8 and vacuum heat collection pipe 18 forms, described U-shaped pipe 17 is positioned in the described vacuum heat collection pipe 18, is provided with heat-preservation cotton 19 at described low temperature reflux mouth 8 and high-temperature water outlet mouth 7.
During first the use, the whole anhydrous state that is in of this device, ball-cock assembly assembly 9 is in the low level enable possition, heating valve group 5 rotary valves are got to the cold water position, press water is by four-way spool 52 from the beginning, open check valve 53, enter heat collector 1, coil heat exchanger 3 and heat storage water tank 2 through heat supplying pipeline 5, completely rear ball-cock assembly assembly 9 autoshutdowns of water.When solar radiation was arranged, water circulating pump 6 started circulation automatically, and device of working medium is got back to water circulating pump 6 through low-temperature circulating pipe 8, heat collector 1, high temperature circulation pipe 9, bushing type magnesium rod 10, coil heat exchanger 3, ball-cock assembly assembly 9, forms a closed cycle.The heat of heat collector 1 continuously is discharged in the heat storage water tank 2 by coil heat exchanger 3 in the cyclic process.Be connected on water circulating pump 6 on high-tension side heat supplying pipelines 4 because the check valve 53 of heating valve group 5 is oppositely closed, recirculated water can not reflux.In cyclic process, recirculated water and Water in Water Tank only have the exchange of energy, not a large amount of the mixing, effectively avoid the fouling of circulatory system pipeline inner wall.Flow through magnesium rod 84 o'clock of high-temperature water is eliminated the fouling composition of water automatically, and a small amount of recirculated water loses scaling condition, no longer fouling.When the circulatory system was crossed high pressure, the safety valve 98 of ball-cock assembly assembly 9 was opened, and by to water tank internal spray part hot water release pressure, had effectively avoided cycle fluid to leak, and had overcome the defective of use " mixing circulation medium ".
During bathing, start water circulating pump 6, heating valve group 5 rotary valves are got to the bathing position, and hot water through heat supplying pipeline 4, common port 57, four-way spool 52, is supplied with bathing under pump pressure.Start water circulating pump 6 initial, ball-cock assembly assembly 9 is in closed condition, because the negative pressure of water circulating pump 6 influent sides, ball float 95 is forced to move down to open, and along with the decline of cistern water level, ball float 95 is open completely.Therefore, water circulating pump 6 is sent temperature constant, the high-quality hot water of constant pressure, realizes the high-grade bathing, has effectively overcome the traditional top water of press-bearing water tank and has gone out hot mode and cause temperature unstable, the drawback that heat supply is sometimes hot and sometimes cold.
After bathing is complete, heating valve group 5 is got to the cold water position, cold water fills into water tank, prepares to carry out time day operation.
Above demonstration and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims (9)

1. multi-functional non-pressure-bearing separated type solar hot water apparatus, comprise heat collector, heat storage water tank, coil heat exchanger, heat supplying pipeline, the heating valve group, water circulating pump, it is characterized in that, described coil heat exchanger is arranged in the described heat storage water tank, one end is connected with the high-temperature water outlet mouth of described heat collector by the high temperature circulation pipe, the other end is connected with the low temperature reflux mouth of described heat collector by the low-temperature circulating pipe, described water circulating pump is arranged on described low-temperature circulating pipe, described heat supplying pipeline is connected with described water circulating pump, described heating valve group is arranged on the described heat supplying pipeline, also is provided with the ball-cock assembly assembly between described coil heat exchanger and described low-temperature circulating pipe.
2. multi-functional non-pressure-bearing separated type solar hot water apparatus according to claim 1, it is characterized in that, described ball-cock assembly assembly comprises housing, spool, bypass pipe, pull bar and ball float, described bypass pipe is arranged at the bottom side of described housing, be connected with described coil heat exchanger, described spool is the polytetrafluoro taper valve core, is arranged in the described housing; Described pull bar top slides through the guide ring that is arranged at described housing top and is connected with described ball float, and the bottom is connected with described spool, and the housing between described guide ring and spool is provided with through hole.
3. multi-functional non-pressure-bearing separated type solar hot water apparatus according to claim 2 is characterized in that, also is provided with safety valve on described bypass pipe.
4. multi-functional non-pressure-bearing separated type solar hot water apparatus according to claim 1, it is characterized in that, described heating valve group comprises valve casing, four-way spool and check valve, described four-way spool and check valve are arranged in the described valve casing, the delivery port of described four-way spool is communicated with check valve, the check valve delivery port of described check valve is connected with the water inlet of four-way spool and forms common port at described valve casing, described common port is connected with described heat supplying pipeline, and the hot water mouth of described four-way spool, cold water outlet are respectively at Indoor Thermal water pipe, cold water pipe mechanical connection.
5. multi-functional non-pressure-bearing separated type solar hot water apparatus according to claim 1, it is characterized in that, described heat collector comprises framework, be provided with many group W type hot type pipes at described framework, the homonymy of described W type hot type pipe is provided with a heat collector water inlet and a heat collector delivery port, and described heat collector water inlet is connected with the high-temperature water outlet mouth with described low temperature reflux mouth respectively with the heat collector delivery port.
6. multi-functional non-pressure-bearing separated type solar hot water apparatus according to claim 5 is characterized in that, described W type hot type pipe props up U-shaped pipe by 3-8 and vacuum heat collection pipe forms, and described U-shaped pipe is positioned in the described vacuum heat collection pipe.
7. multi-functional non-pressure-bearing separated type solar hot water apparatus according to claim 5 is characterized in that, is provided with heat-preservation cotton at described low temperature reflux mouth and high-temperature water outlet mouth.
8. multi-functional non-pressure-bearing separated type solar hot water apparatus according to claim 1, it is characterized in that, between described coil heat exchanger and described high temperature circulation pipe, also be provided with bushing type magnesium rod, described bushing type magnesium rod comprises shell, be respectively arranged with into water short tube and water outlet short tube in the top and bottom of described shell, in described shell, be fixed with the magnesium rod.
9. multi-functional non-pressure-bearing separated type solar hot water apparatus according to claim 1 is characterized in that, is provided with overflow pipe and water-level and water-temperature sensor in described heat storage water tank.
CN2012205162808U 2012-10-10 2012-10-10 Multifunctional nonbearing split-type solar energy water-heating device Expired - Fee Related CN202835850U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012205162808U CN202835850U (en) 2012-10-10 2012-10-10 Multifunctional nonbearing split-type solar energy water-heating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012205162808U CN202835850U (en) 2012-10-10 2012-10-10 Multifunctional nonbearing split-type solar energy water-heating device

Publications (1)

Publication Number Publication Date
CN202835850U true CN202835850U (en) 2013-03-27

Family

ID=47947541

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012205162808U Expired - Fee Related CN202835850U (en) 2012-10-10 2012-10-10 Multifunctional nonbearing split-type solar energy water-heating device

Country Status (1)

Country Link
CN (1) CN202835850U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103994494A (en) * 2014-05-19 2014-08-20 东南大学 Solar phase-change energy storage warming box

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103994494A (en) * 2014-05-19 2014-08-20 东南大学 Solar phase-change energy storage warming box
CN103994494B (en) * 2014-05-19 2016-06-29 东南大学 The warm case of a kind of solar energy phase transition energy storage

Similar Documents

Publication Publication Date Title
CN203518263U (en) Solar water heating system for supplying heat in centralized mode and supplying water in time sharing mode
CN204574237U (en) A kind of system of publilc baths waste water reuse
CN101266076A (en) Rapid uniform heating solar water heater and its dynamic heating method
CN201858778U (en) Two-tank solar water heater
CN201652906U (en) Double-inner container pressure-bearing water tank of solar water heater
CN202216395U (en) Novel domestic non-pressure-bearing type air energy heat pump water heater
CN202835850U (en) Multifunctional nonbearing split-type solar energy water-heating device
CN102278824A (en) All-glass vacuum pipe solar heat collector with flow guide pipe
CN201983469U (en) Solar heat pump water heater
CN202304002U (en) Instant solar water heater
CN204574616U (en) A kind of heat pump of efficiency utilization publilc baths waste water residual heat
CN202361653U (en) Anti-freezing intelligentized instant heating type solar water heater
CN201443799U (en) Circulating compensation type solar heating system
CN206019035U (en) High-efficiency solar hot-water heating system
CN103994251B (en) The water outlet of solar water heater or water inlet automatic transfer valve
CN203949392U (en) A kind of superthermal two inner bag solar engineering double-row heat collectors of U-shaped pipe of leading
CN201072256Y (en) Automatic closing connection pipe valve of vacuum tube type solar thermal collector without discharging water when beating pipe
CN103940114A (en) Heat collection and storage type unpowered solar water heater and hot water system
CN201561570U (en) Bearing type inner container
CN204555353U (en) Air energy and solar united double water tank hot water supply apparatus
CN104061695B (en) One is superthermal leads the two inner bag solar engineering double-row heat collector of U-tube
CN209744486U (en) Novel full-automatic non-pressure operation hot-water heating device
CN204027046U (en) A kind of Split wall-mounted solar water heater heat-exchanging water tank
CN108204625A (en) Solar-energy air-energy geothermal heat pipeline evacuation and anti-freezing system
CN201837101U (en) Split solar water heater easy to be added with heat exchange medium

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130327

Termination date: 20151010

EXPY Termination of patent right or utility model