CN102287933A - Solar thermal-storage type water heater with organic heat carrier - Google Patents
Solar thermal-storage type water heater with organic heat carrier Download PDFInfo
- Publication number
- CN102287933A CN102287933A CN201110168150A CN201110168150A CN102287933A CN 102287933 A CN102287933 A CN 102287933A CN 201110168150 A CN201110168150 A CN 201110168150A CN 201110168150 A CN201110168150 A CN 201110168150A CN 102287933 A CN102287933 A CN 102287933A
- Authority
- CN
- China
- Prior art keywords
- heat
- storage tank
- pipe
- water heater
- heat carrier
- 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.)
- Granted
Links
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
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention relates to a solar thermal-storage type water heater with an organic heat carrier. The water heater comprises a water heater frame, a thermal storage tank, and a heat tube, wherein the thermal storage tank is internally provided with a heat exchanger, one side of the interior and the exterior of the heat exchanger is provided with the organic heat carrier, and the other side of the interior and the exterior of the heat exchanger is provided with water; a heat transfer device is arranged between the thermal storage tank and the heat tube, extends to the interior of the thermal storage tank, and is provided with an organic heat carrier part, and a seal of the top end of the heat transfer device is isolated with the organic heat carrier; a tailstock is arranged on the tail part of the heat pipe and used for fixing the heat pipe, and the tailstock is provided with a structure for causing the heat pipe to move right and left as well as up and down; and the thermal storage tank is respectively provided with a water inlet valve, a water outlet valve, an organic heat carrier inlet valve, and an organic heat carrier outlet valve. The invention provides the solar water heater which has the advantages of high energy storage efficiency and convenience for maintenance.
Description
Technical field
The present invention relates to a kind of solar energy organic heat carrier heat accumulating type water heater.
Background technology
Existing solar water heater is the use water source that directly heats in the fluid storage tank, has following defective:
1) maximum temperature of medium (water) heating is no more than 90 ℃, generally only allows to be heated to 70 ℃, and savings heat energy is lower;
2) medium that is heated (water) is in new and old water admixture for a long time, and water quality inferiority can not be used as drinking water and drink;
3) booster easily takes place in when improper use (water inlet when higher or cistern water level is in low water level in temperature);
4) when heat exchanger tube more, to bleed off All Media in the fluid storage tank, influence the user and use;
Existing solar water heater hot pipe directly inserts heating use water source in the fluid storage tank, has following defective:
1) when heat exchanger tube more, to bleed off All Media in the fluid storage tank, cause waste, and more heat exchanger tube be time-consuming, influence the user during replacing and use;
2) back that is heated of the sealing ring between heat pipe and the fluid storage tank is easily aging, and easy to leak between heat pipe and the fluid storage tank is especially behind heat exchanger tube more.
Existing heat pipe tailstock has following defective:
1) use material mostly to be plastics or rubber, intensity is not high and ageing resistace is relatively poor;
Be difficult for adjustment with the heat pipe concentricity when 2) installing, can't adjust generally speaking, installation effectiveness is not high.
Summary of the invention
The present invention is directed to above-mentioned defective, the solar water heater that provides a kind of accumulation of energy efficient, easy to maintenance is provided purpose.
Technical scheme of the present invention for this reason is:
The present invention includes water heater framework, heat storage tank, heat pipe, establish heat exchanger in the heat storage tank, the side during heat exchanger is inside and outside is provided with the machine heat carrier, and opposite side is provided with water; Be provided with between heat storage tank and the heat pipe and extend to the heat transfer unit (HTU) that is provided with the organic heat carrier position in the heat storage tank, heat transfer unit (HTU) top seal and organic heat carrier are isolated; Be respectively equipped with water intaking valve, outlet valve, organic heat carrier inlet valve, organic heat carrier outlet valve on the heat storage tank.
The described heat storage tank outside be provided with heat storage tank in the organic heat carrier expansion tank that is communicated with of organic heat carrier.
Described heat transfer unit (HTU) is fixed in the heat storage tank, comprise successively and to connect and following pipe nipple, spacer flanger and the last pipe nipple of the heat pipe patchhole of connection are offered in the middle part, wherein descend pipe nipple to be connected with the heat pipe external diameter, last pipe nipple connects heat pipe for thermal conductivity portion, and the spacer flanger size is slightly larger than pipe nipple.
Pipe nipple is offered the V-type tongue vertically on the heat transfer unit (HTU).
The spacer flanger place is provided with and makes heat pipe for thermal conductivity portion insert the targeting port of going up pipe nipple.
Described heat pipe afterbody is provided with the fixedly tailstock of heat pipe, and tailstock comprises the fixedly conduit saddle of heat pipe, and conduit saddle is arranged on the tailstock that is fixed on the framework with U type card, and tailstock can rotate, and this tailstock and U type jig have the structure that makes about described conduit saddle, moves up and down.
Described U type card two opening corresponding positions are provided with the fixedly fixedly ear of conduit saddle, and described conduit saddle is the elasticity conduit saddle, and the stripe shape boss of some symmetries is established in the conduit saddle inboard.
Described tailstock radially position is offered some U type card mounting grooves, connects U type card by lowering or hoisting gear on the mounting groove.
Be in the heat exchanger inboard in the described heat storage tank and be provided with water, be in the heat exchanger outside and be provided with organic heat carrier.
Advantage of the present invention is:
1. adopt organic heat carrier to make medium, its heat storage capacity is high more a lot of than water, regenerator temperature can be up to (the highest generally be no more than 250 ℃--relevant with the solar heat pipe performance) more than 150 ℃, can satisfy the solar water heater heat absorption of continuous a couple of days to a certain extent, the ability of its heat energy storage is than regular solar water heater height;
2. the heat exchanger in the employing organic heat carrier adds hot water, can accomplish the water that uses with advancing with usefulness, and water quality is not contaminated, can satisfy the drinking water requirement;
3. do not worry solar water heater water tank meeting lack of water, can accomplish that heat pipe is difficult for booster with using with water inlet;
4. adopt alumina silicate and polyurethane complex heat-preservation, guarantee that medium is in 24 hours in the fuel tank, temperature descends and is not more than 5 ℃.
5. about extreme weather-40 ℃, also can use, not worry frozen pipe.
6. solar heat pipe adopts special-purpose heat pipe heat transfer device to be connected with heat storage tank, and this heat transmitter and heat storage tank connecting portion adopt and be welded to connect, and sealing is reliable, not easy to leak; In heat exchanger tube more, do not need to drain medium in the heat storage tank, can effectively preserve the medium heat energy in the heat storage tank, when heat exchanger tube more, do not influence the user and use.
7, heat transfer unit (HTU) adopts the red copper material to do heat transfer component, and the heat transfer efficiency height is because whole device is arranged in the heat storage tank heat-insulation layer no heat loss.
8, the conduit saddle of heat pipe tailstock part can comprehensively rotate, and heat pipe holder easy accessibility just can carry out the heat pipe dismounting, install and maintenance as long as draw back U type card to both sides gently.The employing bolt connects, and adjustable heat pipe height and left and right position make the heat pipe and the heat pipe heat transfer device of heat storage tank adapter place keep concentric, and guarantee that heat pipe contacts with heat transfer unit (HTU) well, improve heat-transfer effect.
9, U type card lower end adopts bolt to connect, and adjustable heat pipe height accomplishes that heat pipe is concentric with the heat pipe heat transfer device of heat storage tank adapter place.
10, heat pipe holder material adopts stretchy nylon, has good springiness, intensity height, advantage such as anti-aging, can absorb that heat pipe expands with heat and contract with cold and the strain that produces.Adopting stretchy nylon to do the heat pipe holder still belongs to the first time at home.
Description of drawings
Fig. 1 is a structural representation of the present invention
Fig. 2 is the structural representation of heat storage tank among Fig. 1
Fig. 3 is a heat pipe tailstock structural representation of the present invention
Fig. 4 is the tailstock structural representation
Fig. 5,6 is heat transfer unit (HTU) structural representation of the present invention
1 is framework among the figure, 2 is heat storage tank, 3 is heat pipe, 4 is tailstock, 5 is water intaking valve, 6 is organic heat carrier, 7 is heat exchanger, 8 is the organic heat carrier inlet valve, 9 is expansion tube, 10 is organic heat carrier expansion tank inlet valve, 11 is blow-down pipe, 12 is the organic heat carrier expansion tank, 13 is organic heat carrier expansion tank outlet valve, 14 is outlet valve, 15 is the organic heat carrier outlet valve, 16 is conduit saddle, 17 is U type card, 18 is the goat's horn nut, 19 is tailstock, 20 is mounting groove, 21 is last pipe nipple, 22 is the V-type tongue, 23 is targeting port, 24 is spacer flanger, 25 are following pipe nipple.
The specific embodiment:
The present invention includes water heater framework 1, heat storage tank 2, heat pipe 3, establish heat exchanger 7 in the heat storage tank 2, the side during heat exchanger 7 is inside and outside is provided with machine heat carrier 6, and opposite side is provided with water; Be provided with between heat storage tank 2 and the heat pipe 3 and extend to the heat transfer unit (HTU) that is provided with organic heat carrier 6 positions in the heat storage tank 2, heat transfer unit (HTU) top seal and organic heat carrier are isolated; Be respectively equipped with water intaking valve 5, outlet valve 14, organic heat carrier inlet valve 8, organic heat carrier outlet valve 15 on the heat storage tank 2.
Described heat storage tank 2 outsides are provided with the organic heat carrier expansion tank 9 that is communicated with heat storage tank 2 interior organic heat carriers 6.
Described heat transfer unit (HTU) is fixed in the heat storage tank 2, comprise successively and to connect and following pipe nipple 25, spacer flanger 24 and the last pipe nipple 21 of heat pipe 3 patchholes of connection are offered in the middle part, wherein descend pipe nipple 25 heat pipe 3 that is tightly connected, last pipe nipple 21 connects heat pipe 3 heat-conducting parts, and spacer flanger 24 sizes are greater than last pipe nipple 21.
Pipe nipple 21 is offered V-type tongue 22 vertically on the heat transfer unit (HTU).
Described heat pipe 3 afterbodys are provided with the fixedly tailstock 4 of heat pipe 3, tailstock 4 comprises the fixedly conduit saddle 16 of heat pipe 3, conduit saddle 16 usefulness U type cards 17 are arranged on the tailstock 19 that is fixed on the framework 1, and this tailstock 19 and U type card 17 have the structure that makes described conduit saddle about 16, moves up and down.
17 liang of opening corresponding positions of described U type card are provided with the fixedly fixedly ear of conduit saddle 16, and described conduit saddle 16 is an elasticity conduit saddle 16, and the stripe shape boss of some symmetries is established in conduit saddle 16 inboards.
Described tailstock 19 radially position is offered some U type card mounting grooves 20, connects U type card 17 by lowering or hoisting gear on the mounting groove 20.
Be in heat exchanger 7 inboards in the described heat storage tank 2 and be provided with water, be in heat exchanger 7 outsides and be provided with organic heat carrier 6.
One, the operation principle of solar energy organic heat carrier heat accumulating type water heater of the present invention is:
Two, heat pipe 3 heat transfer unit (HTU) operation principles
Heat pipe heat transfer device structure (one):
1, spacer flanger 24 by 304 or the Q235 steel plate make, size is identical with heat storage tank 2 adapters, employing is welded to connect;
2, go up pipe nipple 21 and adopt the thick copper tube of 0.5mm to make, pull out V-type tongue 22 in the pipe vertically, the top uses the material with material to seal.When inserted at heat pipe 3 heat conduction positions, the gas in the copper tube can flow out from V-type tongue 22, is convenient to the insertion at heat conduction position.Energy free wxpansion when being heated at the heat conduction position simultaneously, and accomplish that heat pipe 3 heat-conducting parts closely contact all the time with the heat transfer part of last pipe nipple 21 inwalls, to reach the good heat transfer effect.Near porch, spacer flanger 24 heat transfer position, adopt targeting port 23, make things convenient for heat pipe 3 to insert, last pipe nipple 21 adopts soldering to be connected with spacer flanger 24.
Heat pipe heat transfer device structure (two):
Be made of heat pipe bell and spigot, heat transfer part, rubber seal ring three parts, this heat transfer unit (HTU) is a movable part, can be used with any solar water heater or other solar energy heat-collecting device.
1, heat pipe bell and spigot parts can adopt brass (or 304) to process, and can be divided into three parts:
(1) pipe nipple 25 under: match with solar heat pipe 3, size satisfies requirements such as solar heat pipe 3 installs and fixes;
(2) spacer flanger 24: greater than following pipe nipple 25, can play position-limiting action slightly, prevent that this device from falling into heat storage tank 2;
(3) go up pipe nipple 21: with original solar heat pipe supporting use in 2 heat transfer positions, size satisfies installs, fixes and seal request.Each parts is noted welding sequence, will note the heat transfer unit (HTU) parts especially.
2, go up pipe nipple 21 and adopt the thick copper tube of 0.5mm to make, pull out V-type tongue 22 in the pipe vertically, the top uses the material with material to seal.When inserted at solar heat pipe 3 heat conduction positions, the gas in the copper tube can flow out from V-type tongue 22, is convenient to the insertion at heat conduction position.Energy free wxpansion when being heated at the heat conduction position simultaneously, and accomplish that solar heat pipe 3 heat conduction positions closely contact all the time with the heat transfer part of last pipe nipple 21 inwalls, to reach the good heat transfer effect.Near spacer flanger 24 heat transfer unit (HTU) porch, adopt targeting port 23, make things convenient for heat pipe 3 heat conduction positions to insert.
3, rubber seal ring plays fixture and sealing function.
Three, heat pipe tailstock operation principle
Heat pipe tailstock 4 is made up of tailstock 19, U type card 17, conduit saddle 16 3 parts.
1, tailstock 19: adopt the Q235 steel plate to be pressed into the Contraband type, two ends use the material with material to seal, through the galvanizing preservative treatment.Radially correct position (the heat pipe position is installed) is opened mounting groove 20, is convenient to conduit saddle 16 and can regulates position, the left and right sides.Open bolt hole on the shrouding of both ends, adopt bolt to be connected, rotate tailstock 19, adjust conduit saddle 16 angles, make it concentric with heat pipe 3 with the framework 1 of solar water heater;
2, U type card 17: adopt the Q235 steel plate to make the galvanizing preservative treatment.On the bolt of U type card 17 bottoms, join twin horn cleat nut 18, bolt is installed in the mounting groove 20 of tailstock 19.After heat pipe 3 is in place in the conduit saddle 16, gently draw U type card 17 to both sides, conduit saddle 16 is blocked.Utilize tailstock mounting groove 20 upper and lower twin horn cleat nuts 18 to adjust the height of conduit saddle 16, after heat pipe 16 reaches calibrated altitude, tighten, reach fixedly conduit saddle 16 purposes.
3, conduit saddle 16: adopt stretchy nylon to process, stretchy nylon has good processability, elasticity and anti-aging, is the ideal material of conduit saddle 16.The fixedly ear that installs and fixes usefulness was established in both sides in the middle of conduit saddle 16 was outside, and in conduit saddle 16 symmetrical four jiaos process the stripe shape boss with fixing heat pipe 3, stripe shape boss internal diameter equals heat pipe 3 external diameters.
Its course of work is as follows:
Tailstock 4 is installed in the lower end afterbody of solar heat pipe 3.After solar heat pipe 3 tops install, the lower end afterbody of solar heat pipe 3 is inserted in the conduit saddle 16, conduit saddle 16 is installed on the U type card 17 again, utilize U type card 17 elevating lever bolts that U type card 17 is installed on the tailstock 19, adjust tailstock 19 angles and U type card 17 height, position, the left and right sides, make heat pipe 3 and heat storage tank 2 heat transfer unit (HTU)s keep concentric.
Claims (9)
1. solar energy organic heat carrier heat accumulating type water heater comprises water heater framework, heat storage tank, heat pipe, it is characterized in that, establishes heat exchanger in the heat storage tank, and the side during heat exchanger is inside and outside is provided with the machine heat carrier, and opposite side is provided with water; Be provided with between heat storage tank and the heat pipe and extend to the heat transfer unit (HTU) that is provided with the organic heat carrier position in the heat storage tank, heat transfer unit (HTU) top seal and organic heat carrier are isolated; Be respectively equipped with water intaking valve, outlet valve, organic heat carrier inlet valve, organic heat carrier outlet valve on the heat storage tank.
2. solar energy organic heat carrier heat accumulating type water heater according to claim 1 is characterized in that, the heat storage tank outside be provided with heat storage tank in the organic heat carrier expansion tank that is communicated with of organic heat carrier.
3. solar energy organic heat carrier heat accumulating type water heater according to claim 1 is characterized in that, is in the heat exchanger inboard in the described heat storage tank and is provided with water, is in the heat exchanger outside and is provided with organic heat carrier.
4. solar energy organic heat carrier heat accumulating type water heater according to claim 1, it is characterized in that, described heat transfer unit (HTU) is fixed in the heat storage tank, comprise successively and to connect and following pipe nipple, spacer flanger and the last pipe nipple of the heat pipe patchhole of connection are offered in the middle part, wherein descend the pipe nipple heat pipe that is tightly connected, last pipe nipple connects heat pipe for thermal conductivity portion, and the spacer flanger size is greater than last pipe nipple.
5. solar energy organic heat carrier heat accumulating type water heater according to claim 4 is characterized in that pipe nipple is offered the V-type tongue vertically on the heat transfer unit (HTU).
6. solar energy organic heat carrier heat accumulating type water heater according to claim 4 is characterized in that, the spacer flanger place is provided with and makes heat pipe for thermal conductivity portion insert the targeting port of going up pipe nipple.
7. solar energy organic heat carrier heat accumulating type water heater according to claim 1, it is characterized in that, the heat pipe afterbody is provided with the fixedly tailstock of heat pipe, tailstock comprises the fixedly conduit saddle of heat pipe, conduit saddle is arranged on the tailstock that is fixed on the framework with U type card, and this tailstock and U type jig have the structure that makes about described conduit saddle, moves up and down.
8. solar energy organic heat carrier heat accumulating type water heater according to claim 7 is characterized in that, described U type card two opening corresponding positions are provided with the fixedly fixedly ear of conduit saddle, and described conduit saddle is the elasticity conduit saddle, and the stripe shape boss of some symmetries is established in the conduit saddle inboard.
9. solar energy organic heat carrier heat accumulating type water heater according to claim 7 is characterized in that, described tailstock radially position is offered some U type card mounting grooves, connects U type card by lowering or hoisting gear on the mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110168150.XA CN102287933B (en) | 2011-06-17 | 2011-06-17 | Solar thermal-storage type water heater with organic heat carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110168150.XA CN102287933B (en) | 2011-06-17 | 2011-06-17 | Solar thermal-storage type water heater with organic heat carrier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102287933A true CN102287933A (en) | 2011-12-21 |
| CN102287933B CN102287933B (en) | 2015-01-21 |
Family
ID=45334567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110168150.XA Expired - Fee Related CN102287933B (en) | 2011-06-17 | 2011-06-17 | Solar thermal-storage type water heater with organic heat carrier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102287933B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4474170A (en) * | 1981-08-06 | 1984-10-02 | The United States Of America As Represented By The United States Department Of Energy | Glass heat pipe evacuated tube solar collector |
| CN2483670Y (en) * | 2001-03-29 | 2002-03-27 | 罗响 | Novel tail support for solar energy heat collection tube |
| CN1430028A (en) * | 2001-12-29 | 2003-07-16 | 储鸣中 | Phase-change heat-storage solar energy heater |
| CN201348394Y (en) * | 2009-01-21 | 2009-11-18 | 蒋钟伟 | Adjustable pipe bracket for balcony wall hanging solar water heater |
| CN201547981U (en) * | 2009-09-21 | 2010-08-11 | 皇明太阳能股份有限公司 | Assembling structure of solar vacuum heat pipe |
| US20110114081A1 (en) * | 2009-10-14 | 2011-05-19 | Jeffrey Lee | Solar collector system |
| CN202166213U (en) * | 2011-06-17 | 2012-03-14 | 江苏伟业安装集团有限公司 | Solar organic heat transfer medium heat storage type water heater |
-
2011
- 2011-06-17 CN CN201110168150.XA patent/CN102287933B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4474170A (en) * | 1981-08-06 | 1984-10-02 | The United States Of America As Represented By The United States Department Of Energy | Glass heat pipe evacuated tube solar collector |
| CN2483670Y (en) * | 2001-03-29 | 2002-03-27 | 罗响 | Novel tail support for solar energy heat collection tube |
| CN1430028A (en) * | 2001-12-29 | 2003-07-16 | 储鸣中 | Phase-change heat-storage solar energy heater |
| CN201348394Y (en) * | 2009-01-21 | 2009-11-18 | 蒋钟伟 | Adjustable pipe bracket for balcony wall hanging solar water heater |
| CN201547981U (en) * | 2009-09-21 | 2010-08-11 | 皇明太阳能股份有限公司 | Assembling structure of solar vacuum heat pipe |
| US20110114081A1 (en) * | 2009-10-14 | 2011-05-19 | Jeffrey Lee | Solar collector system |
| CN202166213U (en) * | 2011-06-17 | 2012-03-14 | 江苏伟业安装集团有限公司 | Solar organic heat transfer medium heat storage type water heater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102287933B (en) | 2015-01-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201599788U (en) | Radial heat pipe economizer with jacket | |
| CN201196494Y (en) | Split solar water heater | |
| CN202166213U (en) | Solar organic heat transfer medium heat storage type water heater | |
| CN102287933A (en) | Solar thermal-storage type water heater with organic heat carrier | |
| CN201340111Y (en) | Heat exchanging interlayer pressure-bearing solar water heater | |
| CN201237378Y (en) | Automatic descaling type solar water heater | |
| CN201497217U (en) | Internal circulation type solar water heater | |
| CN103423880A (en) | Novel vacuum-tube type solar collector | |
| CN201819446U (en) | Solar heat collecting tube | |
| CN201396954Y (en) | Modularized pressure-loaded solar energy collection device | |
| CN105571166A (en) | Flat plate solar heat-collecting water heater | |
| CN202361661U (en) | Direct water circulating-type balcony-hanging solar water heater | |
| CN201697356U (en) | Double-cavity forced-discharge bimetal flow passage solar heat collector | |
| CN202254402U (en) | Heat transfer device of solar water heater | |
| CN201032302Y (en) | Series connection type water storing pipes | |
| CN202182581U (en) | Solar water heater heat pipe tailstock | |
| CN210374111U (en) | Inner cylinder type pressure-bearing solar water heater module and solar water heater array comprising same | |
| CN217210483U (en) | Shell and tube heat exchanger of dismantlement formula design | |
| CN104061695B (en) | One is superthermal leads the two inner bag solar engineering double-row heat collector of U-tube | |
| CN103047770A (en) | Efficient energy-collecting type flat solar water heater | |
| CN203349542U (en) | Heat pipe type heat collector and split solar energy of embedded heat exchanger | |
| CN220567515U (en) | Straight-through single-channel heat exchanger | |
| CN201463323U (en) | V-coil solar collector | |
| CN204494845U (en) | A kind of solar water heating system | |
| CN201497233U (en) | Heat collecting tube, solar heat collector and solar water heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20150121 Termination date: 20150617 |
|
| EXPY | Termination of patent right or utility model |