CN204923511U - Take safety device's solar water heater heat -retaining unit - Google Patents
Take safety device's solar water heater heat -retaining unit Download PDFInfo
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- CN204923511U CN204923511U CN201520570187.9U CN201520570187U CN204923511U CN 204923511 U CN204923511 U CN 204923511U CN 201520570187 U CN201520570187 U CN 201520570187U CN 204923511 U CN204923511 U CN 204923511U
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- Prior art keywords
- heat
- accumulation element
- water heater
- safety device
- solar water
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S60/00—Arrangements for storing heat collected by solar heat collectors
- F24S60/10—Arrangements for storing heat collected by solar heat collectors using latent heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
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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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model relates to a take safety device's solar water heater heat -retaining unit and installation method, including heat -retaining component (1) and relief valve (4), heat -retaining component (1) in phase transition heat -retaining material (7) is equipped with, and heat -retaining component (1) one end is equipped with pressure release hole (9), relief valve (4) are fixed in heat -retaining component (1) one end and through the inside UNICOM in pressure release hole (9) and heat -retaining component (1). Set up heat -retaining unit level or slope in solar energy collection pipe (5), the medial opening that messenger's relief valve (4) reached pressure release hole (9) up is more than the liquid level of heat -retaining material (7). Compared with the prior art, the utility model discloses an install the relief valve additional and adopt simple and convenient installation method to the internal pressure of the gaseous mode restriction heat -retaining unit with a small amount of steam of release guarantees its safe operation, and the relief valve when opening heat storage medium's loss very little, basically can not lead to component heat storage capacity to descend.
Description
Technical field
The utility model relates to a kind of technical field of solar water heaters, especially relates to a kind of solar water heater heat storage units with safety device.
Background technology
Phase-change thermal storage solar water heater adopts phase-change heat-storage material to store solar energy.Because phase-change material storage density is large, such solar water heater is without the need to heat storage water tank, and volume is little, easy for installation, and the fresh health of water outlet, be a kind of novel energy-saving environment-friendly product with great market prospect.Similar with conventional solar boilers, this series products also exist by environment and use cause heat-storage medium temperature, hypertonia problem, particularly not yet pay in house or long-term unoccupied time, running water is not had to originate, water heater is in air drying condition, and too high pressure and temperature easily causes potential safety hazard.
At present, phase-change thermal storage solar water heater controls internal temperature or pressure by T/P valve, radiator or abat vent.But these measures can only control the temperature of heat-storage medium (phase-change material) and heat transferring medium (water), maybe can only control the pressure of heat transferring medium, the pressure of heat-storage medium (phase-change material) directly can not be controlled.Like this, in Long-Time Service process, the pressure in airtight heat storage units inevitably raises gradually, thus container breakage and heat accumulating may be caused to leak, and causes equipment thermal storage performance to decline, and causes potential safety hazard.
Utility model content
The purpose of this utility model is exactly provide a kind of solar water heater heat storage units with the band safety device of the advantages such as the loss of safe and reliable, heat-storage medium is little, simple installation to overcome defect that above-mentioned prior art exists.
The purpose of this utility model can be achieved through the following technical solutions: a kind of solar water heater heat storage units with safety device, comprise heat accumulation element and relief valve, described heat accumulation element is built with phase-change heat-storage material, and heat accumulation element one end is provided with relief hole, described relief valve is fixed on heat accumulation element one end and by relief hole and heat accumulation element internal UNICOM.
Described heat accumulation element one end is provided with sealing flange, and described relief hole is arranged on the top of sealing flange, and when the opening of relief hole inside heat accumulation element sealing flange is positioned at use heat accumulating liquid level more than.
As preferred technical scheme, described relief hole tilts to be opened in sealing flange top, and the interior side opening of relief hole (namely near the opening of heat accumulating side) is positioned at the top of sealing flange minimum outer diameter part.
Or described relief hole is perpendicular to flange surfaces.
As preferred technical scheme, in described heat accumulation element, be provided with block piece near relief hole place.When safety valve is opened, interior media is discharged through relief hole.The medium of now discharging is actually gas-liquid mixture, particularly when material level is nearer apart from side opening in relief hole, containing more heat accumulating.Install the effect that block piece can play certain gas-liquid separation additional, reduce heat accumulating loss.Meanwhile, this also can be avoided the heat accumulating of discharging to affect the normal use of safety valve.
Described block piece is a notched sheet metal, and its diameter is slightly less than heat accumulation element inner diameter, is arranged on sealing flange side, and when installing, breach down and be immersed in heat accumulating.
Or described block piece is a U-shaped capillary brass pipe, be welded on the inner side opening part of relief hole, heat accumulation element crests inwall is pressed close at U-shaped capillary brass pipe top, its opening towards and press close to sealing flange inner surface.
As preferred technical scheme, described heat accumulation element (1) is built with the heat exchanger tube support chip of band passage.Passage processed by support chip, the gas in heat accumulation element can be made to flow unobstructed, and make the gas in heat accumulating rise to more than liquid level in time.This is conducive to gas and discharges safety valve as main pressure medium.
Described relief valve is pressure safety valve, and its opening pressure not higher than the safe-working pressure of heat accumulation element, and is not less than saturated vapour pressure when phase-change heat-storage material uses.
An installation method for solar water heater heat storage units with safety device, is characterized in that, by heat storage units level or be obliquely installed in solar energy heat collection pipe, make relief valve upward and the interior side opening of relief hole more than the liquid level of heat accumulating.
The angle of inclination of described heat storage units is 0 ~ 90 degree.
Compared with prior art, the utility model tool has the following advantages:
(1) this solar energy heat-storage unit is with safety device, can prevent heat storage units internal pressure from exceeding the safe-working pressure of container, thus ensures that its long-term safety is run.
(2) this safety device only discharges gas and a small amount of water vapour, does not substantially cause the loss of heat accumulating.
(3) this heat storage units structure is simple, easy for installation, and installation requirement is easy to realize.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment 1;
Fig. 2 is the structural representation of the utility model embodiment 2;
Fig. 3 is the structural representation of block piece in the utility model embodiment 2;
Fig. 4 is the structural representation of the utility model embodiment 3;
Be designated in figure: 1 heat accumulation element, 2 sealing flanges, 3 through hole studs, 4 relief valves, 5 solar energy heat collection pipes, 6 heat exchanger tubes, 7 phase-change heat-storage materials, 8 block pieces, 9 relief holes.
Detailed description of the invention
Below embodiment of the present utility model is elaborated; the present embodiment is implemented under premised on technical solutions of the utility model; give detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
Embodiment 1
Heat accumulation element 1 is an oval tubular rustless steel container, in-built a certain amount of heat accumulating 7, and is provided with U heat exchange 6.Cylindrical vessel one end seals with flange 2.Flange 2 is end cap shape, and its maximum outside diameter equals heat accumulation element outer diameter, and minimum outer diameter is slightly less than heat accumulation element inner diameter.Flange 2 outer surface top has the relief hole of inclination, and relief hole is positioned at the top of its minimum outer diameter part at the opening of flange inside.Flange relief hole place is welded with a through hole stud 3, and it installs a relief valve 4 with thread connecting mode.Whole heat storage units inserts in solar vacuum heat-collecting pipe 5, and thermal-collecting tube afterbody is raised 20cm and be placed on air drying under sunlight.This heat storage units air drying 120 days is without the direct leakage phenomenon of heat accumulating, but weightless 35g, prove that internal pressure is mainly discharged with Exhaust Gas form.Heat accumulating relative weight loss is less than 2%, and heat storage capacity declines seldom.
Embodiment 2
Heat accumulation element 1 is an oval tubular rustless steel container, in-built a certain amount of heat accumulating 7, and is provided with U heat exchange 6.Cylindrical vessel one end seals with flange 2.Flange 2 is end cap shape, and its maximum outside diameter equals heat accumulation element outer diameter, and minimum outer diameter is slightly less than heat accumulation element inner diameter.Flange outer face top has the relief hole of inclination, and relief hole is positioned at the top of its minimum outer diameter part at the opening of flange inside.One notched sheet metal 8 is housed near flange 2 place, the diameter of sheet metal 8 is slightly less than heat accumulation element inner diameter, has the gap of one fixed width with heat accumulation member interior wall, and its breach down and be immersed in heat accumulating 7.Sheet metal 8 is fixed in U heat exchange 6.Flange relief hole place is welded with a through hole stud 3, and it installs a relief valve 4 with thread connecting mode.Whole heat storage units is inserted in solar vacuum heat-collecting pipe 5, and thermal-collecting tube afterbody is raised 10cm and be placed on air drying under sunlight.This heat storage units air drying 120 days is without the direct leakage phenomenon of heat accumulating, but weightless 24g, prove that internal pressure is mainly discharged with Exhaust Gas form.Heat accumulating relative weight loss is less than 1%, and heat storage capacity declines seldom.
Embodiment 3
Heat accumulation element 1 is an oval tubular rustless steel container, in-built a certain amount of heat accumulating 7, and is provided with U heat exchange 6.Cylindrical vessel one end seals with flange 2.Flange 2 is end cap shape, and its maximum outside diameter equals heat accumulation element outer diameter, and minimum outer diameter is slightly less than heat accumulation element inner diameter.Flange outer face top opens one perpendicular to the relief hole on surface, and relief hole is welded with the bending capillary brass pipe 8 of a U-shaped at the opening part of flange inside, and copper pipe 8 opening is pressing close to container top inwall, opening towards and press close to flange 2 inner surface.Flange relief hole place is welded with a through hole stud 3, and it installs a relief valve 4 with thread connecting mode.Whole heat storage units is inserted in solar vacuum heat-collecting pipe 5, and thermal-collecting tube afterbody is raised 7.5cm and be placed on air drying under sunlight.This heat storage units air drying 120 days is without the direct leakage phenomenon of heat accumulating, but weightless 21g, prove that internal pressure is mainly discharged with Exhaust Gas form.Heat accumulating relative weight loss is less than 1%, and heat storage capacity declines seldom.
Described heat accumulation element (1) is built with the heat exchanger tube support chip of band passage.Passage processed by support chip, the gas in heat accumulation element can be made to flow unobstructed, and make the gas in heat accumulating rise to more than liquid level in time.This is conducive to gas and discharges safety valve as main pressure medium.
Below be only preferred embodiment of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (9)
1. the solar water heater heat storage units with safety device, it is characterized in that, comprise heat accumulation element (1) and relief valve (4), described heat accumulation element (1) is built with phase-change heat-storage material (7), and heat accumulation element (1) one end is provided with relief hole (9), described relief valve (4) is fixed on heat accumulation element (1) one end and passes through relief hole (9) and heat accumulation element (1) inner UNICOM.
2. the solar water heater heat storage units of band safety device according to claim 1, it is characterized in that, described heat accumulation element (1) one end is provided with sealing flange (2), described relief hole (9) is arranged on the top of sealing flange (2), and more than the liquid level of relief hole (9) heat accumulating (7) when the opening of heat accumulation element sealing flange (2) inner side is positioned at use.
3. the solar water heater heat storage units of band safety device according to claim 2, it is characterized in that, described relief hole (9) tilts to be opened in sealing flange (2) top, and the interior side opening of relief hole (9) is positioned at the top of sealing flange (2) minimum outer diameter part.
4. the solar water heater heat storage units of band safety device according to claim 2, is characterized in that, described relief hole (9) is perpendicular to sealing flange (2) surface.
5. the solar water heater heat storage units of band safety device according to claim 2, is characterized in that, is provided with block piece (8) in described heat accumulation element (1) near relief hole (9) place.
6. the solar water heater heat storage units of band safety device according to claim 5, it is characterized in that, described block piece (8) is a notched sheet metal, its diameter is less than heat accumulation element inner diameter, be arranged on sealing flange (2) side, and when installing, breach down and be immersed in heat accumulating (7).
7. the solar water heater heat storage units of band safety device according to claim 5, it is characterized in that, described block piece (8) is a U-shaped capillary brass pipe, be welded on the inner side opening part of relief hole (9), heat accumulation element (1) top inner wall is pressed close at U-shaped capillary brass pipe top, its opening towards and press close to sealing flange (2) inner surface.
8. the solar water heater heat storage units of band safety device according to claim 2, is characterized in that, described heat accumulation element (1) is built with the heat exchanger tube support chip of band passage.
9. the solar water heater heat storage units of band safety device according to claim 1, it is characterized in that, described relief valve (4) is pressure safety valve, its opening pressure not higher than the safe-working pressure of heat accumulation element (1), and is not less than saturated vapour pressure when phase-change heat-storage material (7) uses.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520570187.9U CN204923511U (en) | 2015-07-31 | 2015-07-31 | Take safety device's solar water heater heat -retaining unit |
| PCT/CN2016/073903 WO2017020573A1 (en) | 2015-07-31 | 2016-02-17 | Heat storage unit with safety device for solar water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520570187.9U CN204923511U (en) | 2015-07-31 | 2015-07-31 | Take safety device's solar water heater heat -retaining unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204923511U true CN204923511U (en) | 2015-12-30 |
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ID=54972632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520570187.9U Active CN204923511U (en) | 2015-07-31 | 2015-07-31 | Take safety device's solar water heater heat -retaining unit |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN204923511U (en) |
| WO (1) | WO2017020573A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105020917A (en) * | 2015-07-31 | 2015-11-04 | 江苏启能新能源材料有限公司 | Solar water heater heat storage unit with safety device and installation method of heat storage unit |
| WO2017020573A1 (en) * | 2015-07-31 | 2017-02-09 | 江苏启能新能源材料有限公司 | Heat storage unit with safety device for solar water heater |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4219072A (en) * | 1978-02-10 | 1980-08-26 | Barlow Donald W Sr | Phase change material heat exchanger |
| CN101266077A (en) * | 2008-04-17 | 2008-09-17 | 林祥参 | Refracted light gathering, high-temperature thermal storage type solar boiler |
| CN104034067B (en) * | 2014-04-28 | 2016-06-29 | 江苏恒星聚能能源科技有限公司 | A kind of solar energy heat-storage type vacuum heat-pipe |
| CN204923511U (en) * | 2015-07-31 | 2015-12-30 | 江苏启能新能源材料有限公司 | Take safety device's solar water heater heat -retaining unit |
| CN105020917B (en) * | 2015-07-31 | 2017-07-25 | 江苏启能新能源材料有限公司 | A kind of solar water heater heat storage units with safety device and its installation method |
-
2015
- 2015-07-31 CN CN201520570187.9U patent/CN204923511U/en active Active
-
2016
- 2016-02-17 WO PCT/CN2016/073903 patent/WO2017020573A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105020917A (en) * | 2015-07-31 | 2015-11-04 | 江苏启能新能源材料有限公司 | Solar water heater heat storage unit with safety device and installation method of heat storage unit |
| WO2017020573A1 (en) * | 2015-07-31 | 2017-02-09 | 江苏启能新能源材料有限公司 | Heat storage unit with safety device for solar water heater |
| CN105020917B (en) * | 2015-07-31 | 2017-07-25 | 江苏启能新能源材料有限公司 | A kind of solar water heater heat storage units with safety device and its installation method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017020573A1 (en) | 2017-02-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shanghai Qineng Qixin New Energy Technology Co.,Ltd. Assignor: PIONEER ENERGY (JIANGSU) Co.,Ltd. Contract record no.: X2023980039559 Denomination of utility model: A solar water heater heat storage unit with safety device Granted publication date: 20151230 License type: Exclusive License Record date: 20230814 |