CN105020917B - A kind of solar water heater heat storage units with safety device and its installation method - Google Patents
A kind of solar water heater heat storage units with safety device and its installation method Download PDFInfo
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- CN105020917B CN105020917B CN201510464323.0A CN201510464323A CN105020917B CN 105020917 B CN105020917 B CN 105020917B CN 201510464323 A CN201510464323 A CN 201510464323A CN 105020917 B CN105020917 B CN 105020917B
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- heat
- accumulation element
- heat accumulation
- storage units
- relief hole
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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
Abstract
The present invention relates to a kind of solar water heater heat storage units and its installation method with safety device, including 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), the relief valve (4) is fixed on heat accumulation element (1) one end and by relief hole (9) and the internal UNICOM of heat accumulation element (1).Heat storage units are horizontally or diagonally arranged in solar energy heat collection pipe (5), make relief valve (4) upward and relief hole (9) interior side opening more than the liquid level of heat accumulating (7).Compared with prior art, the present invention is by installing relief valve additional and using easy installation method, the internal pressure of heat storage units is limited in the way of discharging gas and a small amount of water vapour, ensure its safe operation, and relief valve unlatching when heat-storage medium loss very little, will not cause substantially element heat storage capacity decline.
Description
Technical field
The present invention relates to a kind of technical field of solar water heaters, more particularly, to a kind of solar heat with safety device
Hydrophone heat storage units and its installation method.
Background technology
Phase-change thermal storage solar water heater stores solar energy using phase-change heat-storage material.Due to phase-change material storage density
Greatly, such solar water heater is without heat storage water tank, and small volume is easy for installation, and the fresh health of water outlet, be it is a kind of have it is huge
The novel energy-saving environment-friendly product of market prospects.Similar with conventional solar boilers, there is also by environment and use such product
The problem of caused heat-storage medium temperature, hypertonia, when particularly not yet being delivered in house or be long-term unoccupied, do not have
Running water is originated, and water heater is in air drying condition, and too high pressure and temperature is easily caused potential safety hazard.
At present, phase-change thermal storage solar water heater is that internal temperature or pressure are controlled by T/P valves, radiator or abat vent
Power.However, these measures can only control the temperature of heat-storage medium (phase-change material) and heat transferring medium (water), or it can only control to change
The pressure of thermal medium, can not directly control the pressure of heat-storage medium (phase-change material).So, it is close during long-term use
The pressure in heat storage units closed inevitably gradually rises, and so as to cause container damaged and heat accumulating leakage, causes
Decline equipment thermal storage performance, and cause potential safety hazard.
The content of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide one kind have it is safe and reliable,
The solar water heater heat storage units with safety device and its installation method of the advantages of heat-storage medium loss small, simple installation.
The purpose of the present invention can be achieved through the following technical solutions：A kind of solar water heater storage with safety device
Hot cell, including heat accumulation element and relief valve, described heat accumulation element are set built with phase-change heat-storage material, and heat accumulation element one end
There is relief hole, the 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 lets out
Opening of the pressure hole on the inside of heat accumulation element sealing flange is located at when using more than the liquid level of heat accumulating.
As preferred technical scheme, described relief hole, which is tilted, is opened in sealing flange top, and the inner side of relief hole
Opening (i.e. close to the opening of heat accumulating side) is located at the top of sealing flange minimum outer diameter part.
Or, described relief hole is perpendicular to flange surfaces.
As preferred technical scheme, block piece is provided with relief hole in described heat accumulation element.Opened in safety valve
Qi Shi, interior media is discharged by relief hole.The medium now discharged actually gas-liquid mixture, particularly in material level
Away from side opening in relief hole it is nearer when, contain more heat accumulating.The work of certain gas-liquid separation can be played by installing block piece additional
With reduction heat accumulating loss.Meanwhile, this can also be avoided normal the using of the heat accumulating influence safety valve of discharge.
Described block piece is a notched sheet metal, and its diameter is slightly less than heat accumulation element inner diameter, installed in Sealing Method
Blue side, and when installing, breach down and is immersed in heat accumulating.
Or, described block piece is a U-shaped capillary brass pipe, is welded at the interior side opening of relief hole, U-shaped capillary brass pipe
Heat accumulation element crests inwall is pressed close at top, and its opening direction simultaneously presses close to sealing flange inner surface.
As preferred technical scheme, described heat accumulation element (1) is built with the heat exchanger tube support chip with passage.In branch
Passage is processed in blade, can flow the gas in heat accumulation element unobstructed, and the gas in heat accumulating is increased in time
To more than liquid level.This is conducive to gas as main pressure medium and discharges safety valve.
Described relief valve is pressure safety valve, and its Opening pressure is not higher than the safe-working pressure of heat accumulation element, and not
Saturated vapour pressure when being used less than phase-change heat-storage material.
A kind of installation method of solar water heater heat storage units with safety device, it is characterised in that by heat storage units
Horizontally or diagonally be arranged in solar energy heat collection pipe, make relief valve upward and relief hole interior side opening heat accumulating liquid level
It is more than height.
The angle of inclination of described heat storage units is 0~90 degree.
Compared with prior art, the invention has the advantages that：
(1) the solar energy heat-storage unit carries safety device, can prevent heat storage units internal pressure from exceeding the safety of container
Operating pressure, so as to ensure that its long-term safety is run.
(2) safety device only discharges gas and a small amount of water vapour, does not cause the loss of heat accumulating substantially.
(3) heat storage units are simple in construction, easy for installation, and installation requirement is easily achieved.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention 1；
Fig. 2 is the structural representation of the embodiment of the present invention 2；
Fig. 3 is the structural representation of block piece in the embodiment of the present invention 2；
Fig. 4 is the structural representation of the embodiment of the present invention 3；
It is 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 exchange
Pipe, 7 phase-change heat-storage materials, 8 block pieces, 9 relief holes.
Embodiment
Embodiments of the invention are elaborated below, the present embodiment is carried out lower premised on technical solution of the present invention
Implement, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following implementations
Example.
Embodiment 1
Heat accumulation element 1 is an oval tubular rustless steel container, built-in a certain amount of heat accumulating 7, and provided with U heat exchange
6.Cylindrical vessel one end is sealed with flange 2.Flange 2 is end cap shape, and its maximum outside diameter is equal to heat accumulation element outer diameter, minimum outer
Footpath is slightly less than heat accumulation element inner diameter.The outer surface top of flange 2 is provided with inclined relief hole, opening position of the relief hole inside flange
Top in its minimum outer diameter part.A through hole stud 3 is welded with flange relief hole, one is installed with thread connecting mode thereon and lets out
Pressure valve 4.In whole heat storage units insertion solar vacuum heat-collecting pipe 5, and thermal-collecting tube afterbody is raised be placed in after 20cm under sunlight
Air drying.This heat storage units air drying 120 days is without the direct leakage phenomenon of heat accumulating, but weightlessness 35g, it was demonstrated that internal pressure is mainly to arrange
Go out gas form to be released.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, built-in a certain amount of heat accumulating 7, and provided with U heat exchange
6.Cylindrical vessel one end is sealed with flange 2.Flange 2 is end cap shape, and its maximum outside diameter is equal to heat accumulation element outer diameter, minimum outer
Footpath is slightly less than heat accumulation element inner diameter.Flange outer face top is provided with inclined relief hole, opening position of the relief hole inside flange
Top in its minimum outer diameter part.One notched sheet metal 8 is housed at flange 2, the diameter of sheet metal 8 is slightly less than storage
Thermal element internal diameter, the gap for having one fixed width with heat accumulation member interior wall, its breach down and is immersed in heat accumulating 7.Metal
Piece 8 is fixed in U heat exchange 6.A through hole stud 3 is welded with flange relief hole, one is installed with thread connecting mode thereon and lets out
Pressure valve 4.Whole heat storage units are inserted in solar vacuum heat-collecting pipe 5, and thermal-collecting tube afterbody is raised sunlight is placed in after 10cm
Lower air drying.This heat storage units air drying 120 days is without the direct leakage phenomenon of heat accumulating, but weightlessness 24g, it was demonstrated that internal pressure mainly with
Discharge gas form is released.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, built-in a certain amount of heat accumulating 7, and provided with U heat exchange
6.Cylindrical vessel one end is sealed with flange 2.Flange 2 is end cap shape, and its maximum outside diameter is equal to heat accumulation element outer diameter, minimum outer
Footpath is slightly less than heat accumulation element inner diameter.Flange outer face top open one perpendicular to surface relief hole, relief hole is inside flange
The bending capillary brass pipe 8 of a U-shaped is welded with opening, copper pipe 8, which is open, is pressing close to container top inwall, and opening direction simultaneously presses close to flange
2 inner surfaces.A through hole stud 3 is welded with flange relief hole, a relief valve 4 is installed with thread connecting mode thereon.By whole storage
In hot cell insertion solar vacuum heat-collecting pipe 5, and thermal-collecting tube afterbody is raised air drying under sunlight is placed in after 7.5cm.This heat accumulation
Unit air drying 120 days is without the direct leakage phenomenon of heat accumulating, but weightlessness 21g, it was demonstrated that internal pressure is mainly to discharge gas form
It is released.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 with passage.Passage is processed on support chip, can
So that the gas flowing in heat accumulation element is unobstructed, and the gas in heat accumulating is set to rise to more than liquid level in time.This is conducive to
Gas discharges safety valve as main pressure medium.
It the above is only the preferred embodiment of the present invention, it is noted that come for those skilled in the art
Say, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (5)
1. a kind of solar water heater heat storage units with safety device, it is characterised in that including 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), institute
State relief valve (4) and be fixed on heat accumulation element (1) one end and by relief hole (9) and the internal UNICOM of heat accumulation element (1)；
Described heat accumulation element (1) one end is provided with sealing flange (2), and described relief hole (9) is arranged on the upper of sealing flange (2)
Portion, and opening of the relief hole (9) on the inside of heat accumulation element sealing flange (2) is located at the liquid level of heat accumulating (7) when using
More than；
In described heat accumulation element (1) block piece (8) is provided with close to relief hole (9) place；
Described block piece (8) is U-shaped capillary brass pipe top at a U-shaped capillary brass pipe, the interior side opening for being welded on relief hole (9)
Heat accumulation element (1) top inner wall is pressed close in portion, and its opening direction simultaneously presses close to sealing flange (2) inner surface；
Described heat accumulation element (1) is built with the heat exchanger tube support chip with passage.
2. solar water heater heat storage units with safety device according to claim 1, it is characterised in that described lets out
Pressure hole (9), which is tilted, is opened in sealing flange (2) top, and the interior side opening of relief hole (9) is located at sealing flange (2) minimum outer diameter
Partial top.
3. solar water heater heat storage units with safety device according to claim 1, it is characterised in that described lets out
Hole (9) are pressed perpendicular to sealing flange (2) surface.
4. solar water heater heat storage units with safety device according to claim 1, it is characterised in that described lets out
Pressure valve (4) is pressure safety valve, and its Opening pressure is not higher than the safe-working pressure of heat accumulation element (1), and is not less than phase transformation storage
Saturated vapour pressure when hot material (7) is used.
5. a kind of installation method of solar water heater heat storage units with safety device as claimed in claim 1, its feature
It is, by heat storage units inclination, 0~90 degree is arranged in solar energy heat collection pipe (5), makes relief valve (4) upward and relief hole (9)
Interior side opening more than the liquid level of heat accumulating (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510464323.0A CN105020917B (en) | 2015-07-31 | 2015-07-31 | A kind of solar water heater heat storage units with safety device and its installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510464323.0A CN105020917B (en) | 2015-07-31 | 2015-07-31 | A kind of solar water heater heat storage units with safety device and its installation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105020917A CN105020917A (en) | 2015-11-04 |
| CN105020917B true CN105020917B (en) | 2017-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510464323.0A Active CN105020917B (en) | 2015-07-31 | 2015-07-31 | A kind of solar water heater heat storage units with safety device and its installation method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110260531B (en) * | 2019-06-15 | 2021-01-15 | 厦门市钛科创科技有限公司 | Phase-change heat storage solar water heater with self-adaptive heat dissipation structure |
Citations (4)
| 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 |
| CN2559935Y (en) * | 2002-08-05 | 2003-07-09 | 陈明 | All-weather vacuum heat collecting tube |
| CN104697184A (en) * | 2013-12-09 | 2015-06-10 | 江苏贝德莱特太阳能科技有限公司 | Phase-change heat-storage type solar water heater |
| 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 |
-
2015
- 2015-07-31 CN CN201510464323.0A patent/CN105020917B/en active Active
Patent Citations (4)
| 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 |
| CN2559935Y (en) * | 2002-08-05 | 2003-07-09 | 陈明 | All-weather vacuum heat collecting tube |
| CN104697184A (en) * | 2013-12-09 | 2015-06-10 | 江苏贝德莱特太阳能科技有限公司 | Phase-change heat-storage type solar water heater |
| 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 |
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|---|---|
| CN105020917A (en) | 2015-11-04 |
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