CN202254395U - Composite phase-change heat accumulating solar water heater without water tank - Google Patents
Composite phase-change heat accumulating solar water heater without water tank Download PDFInfo
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- CN202254395U CN202254395U CN 201120364790 CN201120364790U CN202254395U CN 202254395 U CN202254395 U CN 202254395U CN 201120364790 CN201120364790 CN 201120364790 CN 201120364790 U CN201120364790 U CN 201120364790U CN 202254395 U CN202254395 U CN 202254395U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 125
- 239000002131 composite material Substances 0.000 title claims abstract description 31
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 37
- 239000010935 stainless steel Substances 0.000 claims abstract description 37
- 229920002635 polyurethane Polymers 0.000 claims abstract description 6
- 239000004814 polyurethane Substances 0.000 claims abstract description 6
- 230000008859 change Effects 0.000 claims description 34
- 239000000463 material Substances 0.000 claims description 32
- 238000009825 accumulation Methods 0.000 claims description 22
- 239000011521 glass Substances 0.000 claims description 12
- 238000005338 heat storage Methods 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000011232 storage material Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 abstract description 4
- 239000008399 tap water Substances 0.000 abstract 1
- 235000020679 tap water Nutrition 0.000 abstract 1
- 239000012071 phase Substances 0.000 description 31
- 229920001903 high density polyethylene Polymers 0.000 description 12
- 239000004700 high-density polyethylene Substances 0.000 description 12
- 239000012188 paraffin wax Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 230000009172 bursting Effects 0.000 description 4
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- 229910002804 graphite Inorganic materials 0.000 description 4
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- 238000007710 freezing Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 208000019901 Anxiety disease Diseases 0.000 description 2
- 230000036506 anxiety Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
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- 239000007787 solid Substances 0.000 description 2
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- 238000010792 warming Methods 0.000 description 2
- 206010060904 Freezing phenomenon Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
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- 229940057995 liquid paraffin Drugs 0.000 description 1
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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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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model discloses a composite phase-change heat accumulating solar water heater without a water tank, which comprises a cover pipe, a bracket, a general cold water inlet pipe, a general hot water outlet pipe, a polyurethane insulating layer, a solar part, a tailstock and a plurality of vacuum heat collecting units, wherein the bracket is fixedly connected with the tailstock. Each vacuum heat collecting unit is arranged on the tailstock and fixed by the bracket. The cover pipe covers the external side of the bracket for protecting the vacuum heat collecting unit. The general cold water inlet pipe is shunt-wound with a plurality of cold water branch pipes. The cold water branch pipes pass through sealing plugs to extend to the bottom of stainless steel pipes in each inner layer. The general hot water outlet pipe is shunt-wound with a plurality of hot water branch pipes. The hot water branch pipes pass through sealing plugs to extend to the upper part of the stainless steel pipes in the inner layer. The composite phase-change heat accumulating solar water heater without the water tank disclosed by the utility model has high heat accumulating capability, so that the water heater is directly connected with a tap water system without storing water in advance. Therefore, the water heater can provide hot water at any time along with stable water temperature and simple operation.
Description
Technical field
The utility model belongs to solar energy heat utilization field, is specifically related to a kind of water tank free composite phase-change heat-storage solar water heater.
Background technology
In today of global energy situation anxiety, climate warming serious threat economic development and people's life health, countries in the world all seeking new energy substitution strategy, obtain superiority in the hope of sustainable development with in development in the future.Solar energy with its cleaning, continually, safety etc. significant advantage, become focal point.In the development of solar energy industry, the heat utilization switch technology of solar water heater is undoubtedly the most ripe, and its industrialization process also than industries such as photovoltaic cell, solar electrical energy generations in the lead.
Solar water heater has become China, and first realizes business-like regenerative resource industry.Under the background of supply and demand anxiety, all useful electrotonic difficult problem of each country, solar water heater is ease people electricity consumption situation in daily life to a certain extent.
Traditional solar water heater generally is made up of solar thermal collector and boiler two parts; Because water tank takes up room greatly,, can influence the city look and feel in outward appearance, quality and the city of house if install improperly; Outdoor maintenance is trouble; To last water limited time system, do not allow water after being exposed to the sun noon simultaneously, otherwise might bombing.
And existing no water tank phase change thermal storage solar water heater adopts the phase change heat storage material store heat, has saved the trouble of water tank, but has also had a little problems:
1, because water temperature surpasses 60 ℃ of the fouling points of water often, causes collector tube inner wall to tie hard scale easily, the solar collecting performance of heat collector is descended year by year;
2, the heat conductivility of traditional phase change heat storage material is very poor, makes the solar water heater inefficiency;
3, the phase-change material of traditional phase change thermal storage solar water heater employing is the solid-liquid phase change material, places in the vacuum tube, because the variation of volume in the phase transition process possibly cause vacuum tube to break.
The utility model content
The purpose of the utility model is the deficiency to prior art; A kind of New-type phase change accumulation of heat non-water tank solar water heater is provided; The utility model directly utilizes solar radiation to add hot water, thereby can alleviate in the daily life the especially problem of the shortage of electric power in summer greatly.
The purpose of the utility model realizes through following technical scheme: a kind of no water tank composite phase-change heat-storage solar water heater; It comprises: vestlet, support, total cold water inlet tube, total hot water outlet pipe, polyurethane insulation coating, solar energy companion, tailstock and some vacuum heat-collectings unit, and wherein, said support is fixedly connected with tailstock; Each vacuum heat-collecting unit all places on the tailstock; And fix by support, vestlet is coated on outside the support, protection vacuum heat-collecting unit; Each vacuum heat-collecting unit includes: inner layer stainless steel tube, composite phase change heat-accumulation material, outer stainless steel tube, glass tube with vacuum and sealing-plug; Fill composite phase change heat-accumulation material between inner layer stainless steel tube and the outer stainless steel tube, inner layer stainless steel tube, phase change heat storage material and outer stainless steel tube are formed the stainless steel tube heat exchanger, place in the glass tube with vacuum, are sealed by sealing-plug; Be parallel with many cold water on total cold water inlet tube and be in charge of, cold water is in charge of and is passed the bottom that sealing-plug extend into each inner layer stainless steel tube respectively; Many hot water of total hot water outlet pipe parallel connection are in charge of, and hot water is in charge of and is passed the top that sealing-plug extend into inner layer stainless steel tube respectively; Total hot water outlet pipe inserts shower nozzle and water service pipe then through the solar energy companion.Total cold water inlet tube communicates with running water pipe.
Further, said composite phase change heat-accumulation material is made the figuration composite phase-changing material of backing material for being core with fusing point at 50-60 ℃ paraffin with high density polyethylene (HDPE); Wherein, said paraffin mass ratio is 60%-80%, and the high density polyethylene (HDPE) mass ratio is 10%-30%, and the expanded graphite mass ratio is 5%-10%.
The utility model is compared to traditional solar water heater, and beneficial effect is following:
1, the composite phase change heat-accumulation material of the utility model employing is the solid-solid phase-change heat-storing material; Compare and traditional solar water heater that water tank is arranged, saved the trouble of water tank, profile is more attractive in appearance; Easy for installation, can very convenient city high rise building wall built-up or balcony use;
What 2, the utility model adopted is composite phase change heat-accumulation material, compared to existing no water tank phase change thermal storage solar water heater, has heat conductivility preferably; Has good heat storage capacity; Therefore need not shift to an earlier date water storage, directly be connected all available at any time hot water with running water system; And water temperature stability, easy and simple to handle;
3, the fusing point of the composite phase change heat-accumulation material of the utility model employing is below 60 ℃, and long-term the use can not produce incrustation scale yet, thereby to the not influence of solar water heater performance.
4, the composite phase change heat-accumulation material of the utility model employing; Compare traditional solid-liquid phase change heat accumulating; Need not to consider the Volume Changes that phase transformation produces, also need not the problem of considering that the conventional solar boilers vacuum tube breaks, overflow even the vacuum heat-collecting tracheal rupture is also anhydrous; Operation does not have influence to complete machine, and security is good.
In addition, consider solar water heater, under low temperature condition, pipeline is easy to bursting by freezing, can increase the low temperature frost valve; Under high-temperature condition, can increase electromotive sunvisor.
Description of drawings
Figure is novel no water tank phase change thermal storage solar water heater structural representation;
Among the figure: hot water is in charge of 1, cold water is in charge of 2, inner layer stainless steel tube 3, composite phase change heat-accumulation material 4, outer stainless steel tube 5, glass tube with vacuum 6, vestlet 7, support 8, total cold water inlet tube 9, total hot water outlet pipe 10, polyurethane insulation coating 11, solar energy companion 12, tailstock 13, sealing-plug 14.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further.
As shown in Figure 1, the utility model does not have water tank composite phase-change heat-storage solar water heater, comprising: vestlet 7, support 8, total cold water inlet tube 9, total hot water outlet pipe 10, polyurethane insulation coating 11, solar energy companion 12, tailstock 13 and some vacuum heat-collectings unit.Support 8 is fixedly connected with tailstock 13, and each vacuum heat-collecting unit all places on the tailstock 13, and fixing by support 8, and vestlet 7 is coated on outside the support 8, protection vacuum heat-collecting unit.Each vacuum heat-collecting unit includes inner layer stainless steel tube 3, composite phase change heat-accumulation material 4, outer stainless steel tube 5, glass tube with vacuum 6 and sealing-plug 14.Inner layer stainless steel tube 3 is formed the stainless steel tube heat exchanger with outer stainless steel tube 5, places in the glass tube with vacuum 6, by sealing-plug 14 sealings, fills composite phase change heat-accumulation material 4 between the inner layer stainless steel tube 3 of stainless steel tube heat exchanger and the outer stainless steel tube 5.Be parallel with many cold water on total cold water inlet tube 9 and be in charge of 2, cold water is in charge of 2 and is passed the bottom that sealing-plug 14 extend into each inner layer stainless steel tube 3 respectively.Many hot water of total hot water outlet pipe 10 parallel connections are in charge of 1, and hot water is in charge of 1 and is passed the top that sealing-plug 14 extend into inner layer stainless steel tube 3 respectively.Total hot water outlet pipe 10 inserts shower nozzle and water service pipe then through solar energy companion 12.Total cold water inlet tube 9 communicates with running water pipe.
Many glass tube with vacuums 6 are arranged on the support 8, and the gap between the adjacent vacuum tube is 4-5mm.The lower end of vacuum tube is stretched in the tailstock 13 that is fixed on the support, and the top end opening of each glass tube with vacuum 6 is with sealing-plug 14 sealings.Stainless heat exchanger places glass tube with vacuum 6 inner chambers, and its bottom is apart from the bottom 2-3cm of glass tube with vacuum 6, and composite phase change heat-accumulation material 4 is in the middle of two-layer stainless steel tube.Inner layer stainless steel tube 3 is leaked water.Hot water is in charge of 1 and is provided with polyurethane insulation coating 11 with total hot water outlet pipe 10 is outer, makes the water heater thermal losses little, and heat insulation effect is good.
Glass tube with vacuum 6 absorbs solar radiations, and with the heat transmission and be stored in the composite phase change heat-accumulation material 4, composite phase change heat-accumulation material 4 stores heat through the stainless steel tube heat exchanger.When cold water is in charge of 2 entering inner layer stainless steel tubes 3 by total cold water inlet tube 9 through cold water; The heat transferred cold water that composite phase change heat-accumulation material 4 will be accumulated through the stainless steel tube heat exchanger; Cold water is accepted heat and is become fresh hot water and be in charge of 1 by hot water and flow out; Final through total hot water outlet pipe 10, for people's daily life is used.
The optional micro computer of solar energy companion " free heat " with the vast flourish Industrial Co., Ltd. in Shanghai; TYBL-04,05 color model solar energy companion, plug and play hot water is as the supplemental heater of solar water heater; Remedy solar water heater and cause the under-supply shortcoming of the undesirable heat of water temperature because of the weather reason; The heating at the terminal, thus played subsequent use effect, but be not limited thereto Company products.
The utility model does not have storage tank, belongs to the quick-heating type solar water heater, and running water links to each other with cold water outlet; Open hot-water switch during water; Running water gets in the heat-storing material pipe in the thermal-collecting tube from cold water outlet, and heat-storing material temperature height is heat transferred water, thereby heats water.
Composite phase change heat-accumulation material that the utility model adopts is as heat-storing material, and selecting for use with fusing point is core at 50-60 ℃ paraffin, makes the figuration composite phase-changing material of backing material with high density polyethylene (HDPE).Wherein the paraffin mass ratio is at 60%-80%, and high density polyethylene (HDPE) is at 10%-30%, and expanded graphite is at 5%-10%; High density polyethylene (HDPE) and expanded graphite are stirred 30min down at 250-260 ℃, and it is complete to make it fusion, becomes then to stir to become to drip paraffin; Be warming up to 280 ℃ after dropwising, under this temperature, keep 10min, be cooled to 100-120 ℃ then; This moment, liquid paraffin was covered by in the high density polyethylene (HDPE), was cooled to room temperature then, finally formed fixed phase change paraffin.A spot of expanded graphite has then increased the thermal conductivity factor of material.
This composite phase change heat-accumulation material is compared traditional solid-liquid phase change heat accumulating, need not consider the Volume Changes that phase transformation produces, thereby solve the problem that traditional material breaks because of the issuable vacuum tube of Volume Changes; And the fusing point of the composite phase change heat-accumulation material of selecting for use can not cause the knot hard scale below 60 ℃, thereby causes the decline of thermal-collecting tube efficient, does not need periodic maintenance.
The fusing point of the composite phase change heat-accumulation material that the utility model adopts do not have incrusted problem, and heat conductivility is better at 50-60 ℃, and the composite phase change heat-accumulation material of the utility model is a solid-solid phase-change simultaneously, does not have Volume Changes and the problem that produces.
In addition, the utility model device can increase the pipeline frost valve in colder area in the north, solves the bursting by freezing phenomenon that conventional solar boilers possibly cause pipeline at low temperatures.Principle is: in frost valve, be equipped with the thermosensitive temperature-sensing element; The variation of temperature is expanded temperature-sensitive element or is shunk the control valve inner spool and open or close; When temperature is lower than 2 ℃; Frost valve then is in opening, makes system's rapid fully emptying cooling water before bursting by freezing, to reach the problem that prevents the bursting by freezing pipeline.When temperature was higher than 2 ℃, frost valve then was in buttoned-up status, thereby system can resume work rapidly.Electromotive sunvisor has played the effect of protection solar water heater simultaneously, delays the aging of solar water heater; The utility model device can be installed electromotive sunvisor when high temperature, can better play the effect of protection solar water heater.
Claims (1)
1. no water tank composite phase-change heat-storage solar water heater; It is characterized in that; It comprises: vestlet (7), support (8), total cold water inlet tube (9), total hot water outlet pipe (10), polyurethane insulation coating (11), solar energy companion (12), tailstock (13) and some vacuum heat-collectings unit, and wherein, said support (8) is fixedly connected with tailstock (13); Each vacuum heat-collecting unit all places on the tailstock (13); And fixing by support (8), vestlet (7) is coated on outside the support (8), protection vacuum heat-collecting unit; Each vacuum heat-collecting unit includes: inner layer stainless steel tube (3), composite phase change heat-accumulation material (4), outer stainless steel tube (5), glass tube with vacuum (6) and sealing-plug (14); Fill composite phase change heat-accumulation material (4) between inner layer stainless steel tube (3) and the outer stainless steel tube (5); Inner layer stainless steel tube (3), phase change heat storage material (4) and outer stainless steel tube (5) are formed the stainless steel tube heat exchanger; Place in the glass tube with vacuum (6), seal by sealing-plug (14); Be parallel with many cold water on total cold water inlet tube (9) and be in charge of (2), cold water is in charge of (2) and is passed the bottom that sealing-plug (14) extend into each inner layer stainless steel tube (3) respectively; Many hot water of total hot water outlet pipe (10) parallel connection are in charge of (1), and hot water is in charge of (1) and is passed the top that sealing-plug (14) extend into inner layer stainless steel tube (3) respectively; Solar energy companion (12) links to each other with total hot water outlet pipe (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120364790 CN202254395U (en) | 2011-09-28 | 2011-09-28 | Composite phase-change heat accumulating solar water heater without water tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120364790 CN202254395U (en) | 2011-09-28 | 2011-09-28 | Composite phase-change heat accumulating solar water heater without water tank |
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| Publication Number | Publication Date |
|---|---|
| CN202254395U true CN202254395U (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201120364790 Expired - Fee Related CN202254395U (en) | 2011-09-28 | 2011-09-28 | Composite phase-change heat accumulating solar water heater without water tank |
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| CN (1) | CN202254395U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913526A (en) * | 2015-06-30 | 2015-09-16 | 许国春 | Solar water boiler hung on balcony |
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2011
- 2011-09-28 CN CN 201120364790 patent/CN202254395U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913526A (en) * | 2015-06-30 | 2015-09-16 | 许国春 | Solar water boiler hung on balcony |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHAANXI ZOLEN TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: LU FEIFEI Effective date: 20131226 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 310053 HANGZHOU, ZHEJIANG PROVINCE TO: 710075 XI'AN, SHAANXI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20131226 Address after: 710075, Shaanxi Province, Yanta District, Xi'an hi tech Zone, science and technology two, Maple new homes 9 building 10404 room Patentee after: SHAANXI ZHONGLIAN TECHNOLOGY CO., LTD. Address before: 310053 No. 2, 5 Avenue, Hangzhou, Zhejiang, Jianggan District Patentee before: Lu Feifei |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20160928 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |