CN201322454Y - Pressure-bearing solar water heater - Google Patents
Pressure-bearing solar water heater Download PDFInfo
- Publication number
- CN201322454Y CN201322454Y CNU2008202145838U CN200820214583U CN201322454Y CN 201322454 Y CN201322454 Y CN 201322454Y CN U2008202145838 U CNU2008202145838 U CN U2008202145838U CN 200820214583 U CN200820214583 U CN 200820214583U CN 201322454 Y CN201322454 Y CN 201322454Y
- Authority
- CN
- China
- Prior art keywords
- header
- water heater
- heat
- pipe
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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 utility model relates to a pressure-bearing solar water heater, belonging to the technical field of solar energy utilization. The solar water heater essentially comprises a water storage inner container and a solar heat collecting device. The solar heat collecting device mainly comprises a transverse heat collecting pipe and a longitudinal header. One end of the heat collecting pipe is communicated with the header, forming a first-stage heat exchanging and circulating loop. The header is slantingly arranged and a U-shaped heat exchanging pipe provided with two pipe branches is arranged in the header; the U-shaped heat exchanging pipe is slantingly arranged along with the header; the two pipe branches are respectively arranged at a high position and a low position; and the two pipe branches at the high position and the low position respectively extend upward to be communicated with a circulating interface corresponding to the water storage inner container, forming a second-stage heat exchanging and circulating loop. The utility model ingeniously solves the technical difficulty through the scientific and reasonable arrangement of the pipelines and opens up an economic, practical and efficient heat exchanging way for the naturally circulating pressure-bearing solar water heater. Experiments show that the heat exchange efficiency of the pressure-bearing solar water heater is more sufficient, the heat loss is less, and the daily heat amount per unit area is increased by 20-30 percent.
Description
Technical field
The utility model relates to a kind of solar water heater, and especially a kind of pressure-bearing type solar water heater belongs to application of solar.
Background technology
Understand according to the applicant, existing solar water heater mainly contains non-bearing type and pressure-bearing type two classes.The tank of non-bearing type solar water heater directly is communicated with solar energy heat collection pipe, so the user directly uses the hot water of solar energy heating, does not have middle heat exchange link.Owing to do not have pressure in the tank, therefore have the hypodynamic shortcoming of water impact when using; In addition, owing to can't add anti-icing fluid in the water, therefore there is the possibility of freezing in the external water pipe that is connected with solar energy heat collection pipe in cold season.The tank of pressure-bearing type solar water heater (being commonly referred to inner bag) is of coupled connections by heat exchange structure and solar energy heat collection pipe circulation heat absorption.Because inner bag directly is not communicated with solar energy heat collection pipe, therefore can have interior pressure, thus the powerful current of output impulsive force; Can add anti-icing fluid in the circulation heat transfer medium of solar energy heat collection pipe simultaneously, thereby avoid freezing.
Retrieval is found, application number is that 01216199.3 Chinese patent discloses a kind of vacuum heat collection pipe solar thermal collector, comprise some complete glass vacuum sun thermal-collecting tubes, connecting pipe, support and reflector, connecting pipe is communicated with some complete glass vacuum sun thermal-collecting tubes, it is characterized in that in the connecting pipe inner bag heat exchange pipeline being set, the two ends of this heat exchange pipeline pass from connecting pipe inner bag side, are connected with heat storage water tank through connecting pipe.The distinct disadvantage that this structure exists is, because heat exchange pipeline passes from connecting pipe inner bag side, so heat exchange area is little, and the thermal efficiency is low, and structure is not compact, and profile is not carefully and neatly done, make, install all compare difficult.
In addition, application number is that 01216418.6 Chinese patent discloses a kind of pressure type vacuum thermal-collecting tube solar thermal collector, the water inlet, the delivery port that comprise all-glass vacuum thermal-collecting tube, reflecting plate, union pipe, support and be located on the union pipe inner bag are formed, it is characterized in that setting up in the union pipe inner bag many U-shaped pressure-bearing heat exchanger tubes, the position that U-shaped pressure-bearing heat exchanger tube and union pipe run through all is tightly connected.This product is owing to adopted the U-shaped pipe, therefore overcome the shortcoming that above-mentioned patent application heat exchange area is little, structure is not compact, profile is not carefully and neatly done, but there is the problem on the heat exchange principle: because the pipeline of U-shaped pressure-bearing heat exchanger tube and arranged on left and right sides is symmetrically distributed, water inlet and delivery port are in sustained height, be difficult between water inlet and delivery port, form the thermal siphon phenomenon that produces because of the temperature difference in theory, it is very difficult to start the current Natural Circulation, so the thermal efficiency is very low.
The utility model content
The purpose of this utility model is: at the shortcoming and the problem of above-mentioned prior art existence, big but also the high pressure-bearing type solar water heater of heat exchange efficiency of a kind of not only exchange area is proposed, should have compact conformation, advantage that profile is carefully and neatly done simultaneously, thereby be convenient to apply conscientiously.
In order to reach above purpose, pressure-bearing type solar water heater of the present utility model comprises water storage liner and solar energy heat collector, and described solar energy heat collector mainly is made of horizontal thermal-collecting tube and vertical header; One end of described thermal-collecting tube is communicated with header, forms first order heat exchange closed circuit; Described header tiltably-mounted, interior harness have the U type heat exchanger tube of two arms; Described U type heat exchanger tube tilts with header, and two arms are in a high position and low level respectively; Be in a high position and extend upward the circulation interface connection corresponding respectively, form second level heat exchange closed circuit with described water storage liner with two arms that are in low level.
Therefore the utility model makes it to have formed the height temperature difference because with U type heat exchanger tube tiltably-mounted, arm has formed a high position and low level, thereby can start second level heat exchange closed circuit by thermosyphon action, has solved a technical difficult problem.In addition, the utility model not only has good heat exchange property, and compact conformation, and profile is carefully and neatly done, makes easy for installation, both artistic and practical, easy to utilize.
When in theory, U type heat exchanger tube tilts with header and the angle of vertical can be 1 °-90 °.Experiment shows that the angle of its symmetrical center line and vertical was advisable for 5 °-90 ° when U type heat exchanger tube tilted with header.Of the present utility model further improving is that sleeve pipe of increase to reduce the medium volume in the vacuum heat collection pipe, further improves heat exchange efficiency in each thermal-collecting tube, shortens the time that starts first order heat exchange circulation.
In a word, the utility model is with scientific and reasonable line arrangement, and the ingenious technical barrier that solved is for the pressure-bearing solar water heater of Natural Circulation has been opened up economic, practical, a heat exchange approach efficiently.Experiment showed, that its heat exchange effect is more abundant, heat radiation still less gets heat than conventional pressure-bearing solar water heater unit plane day of year and has improved 20-30%.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is the structural representation of the utility model preferred embodiment.
Fig. 2 is the side view of Fig. 1 embodiment.
Fig. 3 is the perspective view of Fig. 1 embodiment.
Fig. 4 is the local structure for amplifying schematic diagram of Fig. 1 embodiment, starts the heat exchange circulation theory in order to the reflect heat siphon.
The specific embodiment
Embodiment
Present embodiment is a kind of wall-hanging solar water heater of pressure-bearing, as Fig. 1, Fig. 2 and shown in Figure 3, mainly is made of water storage liner and solar energy heat collector.The cabinet body 4 of parcel heat-insulation layer 2 is horizontal cylindric in the housing 1, and the top in the cabinet body 4 is provided with the hot water outlet pipe 3 who meets the hot water tap, and the bottom is provided with and connects the cold water inlet 5 at water source from the beginning, therefore wherein has certain interior pressure.The bottom of cabinet body 4 is provided with solar energy circulation line loop exit sleeve pipe 6 and loop exit sleeve pipe 7.
Solar energy heat collector is the wall-hanging solar heat collector that is fit to be placed in the balcony outside, contain one group horizontal (level) at setting of casing vacuum heat collection pipe 13 with at the function vacuum heat collection pipe 16 of last (highest point), and the header of vertical (vertical).Bushing vacuum thermal-collecting tube 13 constitutes by increasing a sleeve pipe in the vacuum heat collection pipe, can reduce the medium volume in the vacuum heat collection pipe like this, further improves heat exchange efficiency, shortens the time that starts first order heat exchange circulation.Leave the expansion space at last function vacuum heat collection pipe, can only fill the medium of half approximately, an other half volume is reserved as expansion tube.Header is made of header shell 12 and box-connected internal pipe 11 wherein.One end plug-in mounting of bushing vacuum thermal-collecting tube 13 and function vacuum heat collection pipe 16 is supported on vertical tail carriage 15, and the other end is inserted on the header shell 12, is communicated with box-connected internal pipe 11, forms first order heat exchange closed circuit.Header tiltably-mounted, interior harness have the U type stainless steel ripple heat exchanger tube 10 of two arms.This U type stainless steel ripple heat exchanger tube 10 tilts with header, and two arms are in a high position and low level respectively.Be in a high position and extend upward respectively with two arms that are in low level, by circulation line 8 and 9, the circulation interface corresponding with water storage liner---loop exit sleeve pipe 6 and loop exit sleeve pipe 7 are communicated with, and form second level heat exchange closed circuit.One group of bushing vacuum thermal-collecting tube is parallel to each other, U type heat exchanger tube two arm center lines plane of living in and each bushing vacuum thermal-collecting tube center line Plane intersects of living in.
The core innovation part of present embodiment is, the applicant is through groping experiment repeatedly, found by the ingenious U type heat exchanger of in header, arranging with setting angle E, cooperate the interior heat exchange circulation pipe difference of height of hot water storage tank to form the height temperature difference naturally by system, thereby small initial start power is provided, allows whole heat exchange closed circuit be achieved heat transfer free convection (referring to Fig. 4).
During work, the solar energy that each bushing vacuum thermal-collecting tube 13 absorbs through first order heat exchange closed circuit, gathers box-connected internal pipe 11 by the thermosyphon action of heat transferring medium in the pipe.Behind heat collector heat transferring medium expanded by heating, enter in the function vacuum heat collection pipe 16 of having reserved half blank pipe, start this function vacuum heat collection pipe by thermosyphon circulation, heat is also brought into box-connected internal pipe 11, via the stainless steel ripple heat exchanger tube 10 partition heat exchange that are arranged in the box-connected internal pipe 11, heat is passed to the pressure-bearing recirculated water that is positioned at pipe.Pressure-bearing recirculated water in the U type stainless steel ripple heat exchanger tube 10 will produce the thermal siphon convection current owing to there is the high and low temperature difference, heat be brought into the water storage liner in high site.Experiment shows that the existing product that the unit are heat collector hot water of present embodiment must be measured than drift lattice improves 20-30%, and effect is very remarkable.See following relatively this programme model machine and certain brand wall-hanging solar water heater hot property contrast test data for details:
| Brand | Collector area (m2) | Water tank capacity (L) | Initial temperature (℃) | Final temperature (℃) | Rise final temperature difference (℃) | Time started | Concluding time | Day gets heat (MJ/d) | The unit plane day of year gets heat (MJ/M2.d) |
| This programme balcony wall-hanging solar water heater | 2.18 | 100 | 19.70 | 62.80 | 43.10 | 8:00 | 16:00 | 18.06 | 8.28 |
| Courage balcony wall-hanging solar water heater in certain brand courage | 1.47 | 80 | 18.41 | 47.11 | 28.70 | 8:00 | 16:00 | 9.62 | 6.54 |
In addition, cause vacuum heat collection pipe to be pressed in producing and be convenient to fluid infusion, the fluid infusion mouth 14 that steams that is communicated with atmosphere is set above box-connected internal pipe 11, can solve pressure release and fluid infusion problem like this with killing two birds with one stone for fear of the thermal expansion of heat transferring medium liquid.
Facts have proved that it is comparatively simple that the heat exchanger of U type structure is arranged on heat collector header inner structure, and do not reduce the water space of water storage liner.What is more important owing to adopt U type structure, so metallic recuperator all in header, the outside does not have unnecessary circulation line, not only can effectively increase heat exchange area, and can reduce system radiating, and is aesthetic in appearance, avoid heat exchanger bursting by freezing in winter danger.
Because being heated, the heat transferring medium in the heat collector has swelling in addition, general conventional way is to increase an expansion drum on heat collector, the ingenious vacuum heat collection pipe in the top of giving of present embodiment is taken on the dual-use function of thermal-arrest and expansion---because topmost one section about 100mm of a vacuum heat collection pipe has adopted plated film to block technology, so when filling medium, can clearly not have the part of plated film to see heat transferring medium level condition in header and the vacuum heat collection pipe from the vacuum heat collection pipe in the top.During installation, topmost a vacuum heat collection pipe only fills the medium of half approximately, and an other half volume is reserved as expansion tube, so not only can reduce cost, and owing to effectively avoided the loss of thermal medium expansion energy, therefore more help improving heat exchange property.
In a word, present embodiment has following major advantage:
1, high efficient heat exchanging: because the heat-exchange system of unpressurized heat collector and pressure-bearing all adopts heat convection one time, and non-pressure-bearing heat collector high-temperature medium swell increment still is retained in the heat collector, therefore the unit are heat collector hot water must be measured the existing product raising 20-30% than drift lattice, and effect is very remarkable.
2, cost economy: simple in structure, practical, manufacturing cost is starkly lower than existing " courage in the courage " or coil pipe heat exchange structure, and do not account for the water space of inner bag.
3, effectively freeze proof: as, therefore to effectively reduce the risk of heat exchanger bursting by freezing in winter because U type stainless steel ripple heat exchanger tube is arranged in the heat collector header cold and hot section of heat exchanger.
In addition to the implementation, the utility model can also have other embodiments.For example, U type heat exchanger tube also can be U type metal snake type heat exchanger tube, metal straight pipe heat exchanger tube or metal fin heat exchanger tube etc.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (8)
1. a pressure-bearing type solar water heater comprises water storage liner and solar energy heat collector, and described solar energy heat collector mainly is made of horizontal thermal-collecting tube and vertical header; One end of described thermal-collecting tube is communicated with header, forms first order heat exchange closed circuit; It is characterized in that: described header tiltably-mounted, interior harness have the U type heat exchanger tube of two arms; Described U type heat exchanger tube tilts with header, and two arms are in a high position and low level respectively; Be in a high position and extend upward the circulation interface connection corresponding respectively, form second level heat exchange closed circuit with described water storage liner with two arms that are in low level.
2. pressure-bearing type solar water heater according to claim 1 is characterized in that: have additional sleeve pipe in each thermal-collecting tube, the forming sleeves thermal-collecting tube.
3. pressure-bearing type solar water heater according to claim 2, it is characterized in that: described thermal-collecting tube is a vacuum heat collection pipe, one group of bushing vacuum thermal-collecting tube under being included in and at last function vacuum heat collection pipe, described bushing vacuum thermal-collecting tube constitutes by increasing a sleeve pipe in the vacuum heat collection pipe, leaves the expansion space in the described function vacuum heat collection pipe.
4. pressure-bearing type solar water heater according to claim 3 is characterized in that: described one group of bushing vacuum thermal-collecting tube is parallel to each other, described U type heat exchanger tube two arm center lines plane of living in and each described bushing vacuum thermal-collecting tube center line Plane intersects of living in.
5. pressure-bearing type solar water heater according to claim 4, it is characterized in that: described header is made of header shell and box-connected internal pipe wherein, one end plug-in mounting of described bushing vacuum thermal-collecting tube and function vacuum heat collection pipe is supported on vertical tail carriage, the other end is inserted on the header shell, be communicated with box-connected internal pipe, form first order heat exchange closed circuit.
6. pressure-bearing type solar water heater according to claim 5 is characterized in that: described box-connected internal pipe top is provided with the fluid infusion mouth that steams that is communicated with atmosphere.
7. pressure-bearing type solar water heater according to claim 6 is characterized in that: 5 °-90 ° of the angles of its symmetrical center line and vertical when described U type heat exchanger tube tilts with header.
8. pressure-bearing type solar water heater according to claim 7 is characterized in that: described U type heat exchanger tube is one of U type wavy metal heat exchanger tube, U type metal snake type heat exchanger tube, U type metal straight pipe heat exchanger tube or U type metal fin heat exchanger tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202145838U CN201322454Y (en) | 2008-12-16 | 2008-12-16 | Pressure-bearing solar water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202145838U CN201322454Y (en) | 2008-12-16 | 2008-12-16 | Pressure-bearing solar water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201322454Y true CN201322454Y (en) | 2009-10-07 |
Family
ID=41159835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202145838U Expired - Lifetime CN201322454Y (en) | 2008-12-16 | 2008-12-16 | Pressure-bearing solar water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201322454Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006545A (en) * | 2014-06-13 | 2014-08-27 | 胡金良 | Pressure-resisting plate type solar heat collection device |
-
2008
- 2008-12-16 CN CNU2008202145838U patent/CN201322454Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006545A (en) * | 2014-06-13 | 2014-08-27 | 胡金良 | Pressure-resisting plate type solar heat collection device |
| CN104006545B (en) * | 2014-06-13 | 2015-12-30 | 胡金良 | A kind of withstand voltage board-like solar energy heat collector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101435632B (en) | Pressure bearing type solar water heater | |
| CN201322463Y (en) | Solar phase-change thermal storage water heater | |
| CN103697603B (en) | Solar high-efficiency dual temperature phase-change collector and phase-change material for collector | |
| CN101629763B (en) | Anti-burst solar heat collecting tube | |
| CN202747655U (en) | Novel panel solar water heater | |
| CN104990287A (en) | Anti-freezing type water-tank-free efficient flat plate solar water heater | |
| CN201973897U (en) | Split solar water heater taking gas as working medium | |
| CN103075818A (en) | Heat transmission method and system for heat-pipe-type solar hot water system | |
| CN201322454Y (en) | Pressure-bearing solar water heater | |
| CN202002350U (en) | Pressure-bearing natural circulating solar water heater | |
| CN201497234U (en) | Anti-burst solar heat collecting tube | |
| CN210220253U (en) | Pressure-bearing split solar heat collector | |
| CN210425597U (en) | Heat storage type heating device | |
| CN213335002U (en) | Flat plate type solar heat collector | |
| CN201652873U (en) | Varactor pressure-bearing solar water heater | |
| CN201081427Y (en) | Manifold type solar heat collector | |
| CN203298509U (en) | Heat pipe type solar water heating system | |
| CN201000220Y (en) | Novel solar hot-water engineering heat exchanger | |
| CN200958868Y (en) | Efficient pressure-bearing solar water heater | |
| CN201715727U (en) | Black crystal vacuum tube solar heat collector | |
| CN201059788Y (en) | T type pipe solar heat-collector | |
| CN211120132U (en) | Seasonal heat exchanger | |
| CN105928220A (en) | Anti-freezing type water-tank-free efficient flat plate solar water heater | |
| CN201221861Y (en) | Single hot pipe type flat plate heat collector | |
| CN2932231Y (en) | Heat-collecting tubes connecting box of solar water heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20091007 Effective date of abandoning: 20081216 |