CN203940631U - Central heating formula solar water heating system - Google Patents
Central heating formula solar water heating system Download PDFInfo
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- CN203940631U CN203940631U CN201420357885.6U CN201420357885U CN203940631U CN 203940631 U CN203940631 U CN 203940631U CN 201420357885 U CN201420357885 U CN 201420357885U CN 203940631 U CN203940631 U CN 203940631U
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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
- Y02E10/44—Heat exchange systems
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Abstract
The utility model relates to a kind of central heating formula solar water heating system, comprises header, concentrates storage tank and thermal-collecting tube, concentrates storage tank to be communicated with into loop with at least one header, and thermal-collecting tube comprises the glass-vacuum tube of cup-like structure; Glass-vacuum tube comprises inner glass inner tube, space in glass inner tube is media storage space, in media storage space, be also provided with hard inner tube, in hard inner tube, be provided with obturator, obturator Outside Dimensions is less than hard inner tube inside dimension, between obturator and hard inner tube, is provided with positioning element; The metal mouth of pipe of the header side thermal-collecting tube right with at least one composition is communicated with, and paired thermal-collecting tube is distributed in water tank the right and left.Can make heat transfer medium be stored in the small space between hard inner tube and obturator, realize medium and be rapidly heated and form circulation, can also reduce on the other hand the heat transfer medium capacity of storage in thermal-collecting tube, reduce heat waste.
Description
Technical field
The utility model belongs to solar water heater field, and concrete is the central heating formula solar water heating system that includes novel heat collecting pipe.
Background technology
Solar water heater is to utilize sunshine heat by the equipment of water heating, and it generally includes the water storage water tank of using and the thermal-collecting tube that absorbs sunshine heat, and water tank and thermal-collecting tube storage inside have heat transfer medium.For the small-sized close-coupled solar water heater of the general use of domestic consumer, for school, the user that the water consumptions such as hotel are larger, adopts central heating formula solar water heating system conventionally.
Traditional central heating formula solar water heating system, it comprises multiple thermal-arrest modules, the header of each thermal-arrest module in the middle of comprising and the thermal-collecting tube being communicated with it, each header is communicated with concentrated storage tank, thermal-collecting tube symmetry be distributed in header both sides.Thermal-collecting tube is glass heat-collecting vacuum tube, its structure is the cup-like structure that double glazing is made, it between inner and outer tubes, is wherein vacuum, space in inner tube is the memory space of medium, heat transfer medium is to absorb sunshine heat, and heat is carried to the material of user side, for example, water, anti-icing fluid etc.
When water heater working, thermal-collecting tube absorbs sunshine heat heat transfer medium is heated, and is pooled in each header, and then is arrived and concentrated storage tank for user side by pipe influx.Owing to storing all the time heat transfer medium in thermal-collecting tube interior media memory space, and this part medium cannot arrive user side use, for central heating formula solar water heating system, and because the thermal-collecting tube of installing is many, the amount of heat waste causing like this.In addition the water of storage is more in thermal-collecting tube, and reaching the temperature of circulation, required to absorb heat more, and especially some larger-size thermal-collecting tubes, will form circulation meeting very difficult between thermal-collecting tube and storage tank.
Utility model content
Technical problem to be solved in the utility model is: a kind of central heating formula solar water heating system is provided, do not changing under the condition of thermal-collecting tube heating surface area, can make medium be rapidly heated and form circulation, can reduce on the other hand the heat transfer medium capacity of storage in thermal-collecting tube, reduce heat waste.
The utility model solves the technical scheme that its technical problem adopts:
Central heating formula solar water heating system, comprises header, concentrates storage tank and thermal-collecting tube, and described header comprises inner water tank, is provided with header water inlet and header delivery port on described water tank; Described concentrated storage tank comprises storage tank loop exit and storage tank circulation import; The header water inlet of at least one header is communicated with storage tank loop exit, and its header delivery port is communicated with storage tank circulation import, described thermal-collecting tube comprises glass-vacuum tube, described glass-vacuum tube is the cup-like structure that double glazing forms, glass-vacuum tube one end is thermal-collecting tube blind end, and the other end is thermal-collecting tube openend; Glass-vacuum tube comprises inner glass inner tube, space in glass inner tube is media storage space, described media storage is also provided with hard inner tube in space, described hard inner tube is inner tube blind end near one end of thermal-collecting tube blind end, the inner tube openend that the hard inner tube other end is hatch frame, in described hard inner tube, be provided with obturator, described obturator Outside Dimensions is less than hard inner tube inside dimension, between described obturator and hard inner tube, is provided with positioning element; The inner tube openend of the side of the described water tank thermal-collecting tube right with at least one composition is communicated with, and described paired thermal-collecting tube is distributed in water tank the right and left, and the height of described inner tube openend is equal to or higher than the height of inner tube blind end.
Further, described obturator is column structure, and the external diameter of obturator is less than hard inner tube diameter; Described obturator is obturator bottom near one end of described thermal-collecting tube blind end, and described inner tube blind end and obturator two ends are arc, and obturator bottom is less than inner tube blind end.
Further, described positioning element is convergence piece, and described convergence piece two ends are fixedly connected with hard inner tube with obturator respectively.
Further, described positioning element is the locating support that is arranged on obturator lateral location, described locating support comprises annular ring, in annular ring, be provided with at least three elastic rings, described elastic ring is uniformly distributed along the circumference, a part for elastic ring is resisted against pipe internal surface in hard, and another part is resisted against obturator outer surface.
Further, described header water inlet, storage tank loop exit, header delivery port and the residing height of storage tank circulation import set gradually from low to high.
Further, also comprise hot water manifold trunk and cold water manifold trunk, described concentrated storage tank is communicated with multiple headers, multiple headers are parallel and arrange and embark on journey, described hot water manifold trunk is communicated with the header delivery port of each header from left to right successively, described cold water manifold trunk is communicated with the header water inlet of each header from left to right successively, the position that described storage tank circulation import is communicated with hot water manifold trunk is hot water effluent's node, the position that described storage tank loop exit is communicated with cold water manifold trunk is cold-water return node, described hot water effluent's Node configuration is from the nearest header place of concentrated storage tank, described cold-water return Node configuration is from concentrating header place farthest of storage tank.
Further, described water tank side opening is provided with heat pipe hole, is connected with inner tube Plug Division with heat pipe hole, and inner tube Plug Division and inner tube openend size are suitable, and inner tube openend and inner tube Plug Division are plugged in together, between described inner tube openend and inner tube Plug Division, be provided with grafting sealing ring.
Further, described water tank periphery is enclosed with heat-insulation layer, described heat-insulation layer offers glass tube Plug Division near the position of inner tube Plug Division, and the Outside Dimensions of the opening size of glass tube Plug Division and described thermal-collecting tube openend is suitable, and thermal-collecting tube openend is plugged in glass tube Plug Division; On described glass-vacuum tube, between the outer circumference surface of close thermal-collecting tube openend and glass tube Plug Division medial surface, be also provided with caoutchouc elasticity circle, described caoutchouc elasticity ring cross-section is L shaped, L shaped one end is stretched in glass tube Plug Division, and the L shaped other end is resisted against the outer surface of heat-insulation layer.
Further, the external diameter of described hard inner tube and the internal diameter of glass inner tube are suitable.
Further, between described glass inner tube and hard inner tube, and be provided with thermal-collecting tube sealing ring near the position of thermal-collecting tube openend; Described hard inner tube outer surface is provided with the groove with thermal-collecting tube sealing ring adaptation, and described thermal-collecting tube sealing ring is arranged in groove, and described thermal-collecting tube sealing ring is O RunddichtringO, and described hard inner tube is stainless steel tube; Between described glass inner tube and hard inner tube, and be provided with heat preservation component near the position of thermal-collecting tube openend, described heat preservation component is aluminosilicate fiber cotton.
The beneficial effects of the utility model are: use central heating formula solar water heating system of the present utility model, its thermal-collecting tube outside is glass-vacuum tube, in the media storage space of glass-vacuum tube inside, be provided with hard inner tube, in hard inner tube, be provided with obturator, heat transfer medium is stored in the small space between hard inner tube and obturator, this tails off the heat transfer medium volume of storage in thermal-collecting tube, even if thermal-collecting tube has large-size, also can make medium be rapidly heated and form circulation, can also reduce on the other hand the heat transfer medium capacity of storage in thermal-collecting tube, reduce heat waste.
Brief description of the drawings
Fig. 1 is the schematic diagram of a kind of embodiment of central heating formula solar water heating system of the present utility model, and the thermal-collecting tube of two kinds of different embodiments has been installed in header side;
Fig. 2 is a kind of embodiment schematic diagram of central heating formula solar water heating system of the present utility model thermal-collecting tube used;
Fig. 3 is the another kind of embodiment schematic diagram of central heating formula solar water heating system of the present utility model thermal-collecting tube used;
Fig. 4 is in Fig. 3 embodiment, the schematic diagram of a kind of embodiment of positioning element of obturator in its thermal-collecting tube;
Fig. 5 is a kind of embodiment schematic diagram of central heating formula solar water heating system pipeline connecting mode of the present utility model;
In figure, parts Reference numeral is: 1-thermal-collecting tube, 11-glass-vacuum tube, 12-glass inner tube, 13-media storage space, 14-thermal-collecting tube blind end, 15-thermal-collecting tube openend, 19-selects absorbed layer, 2-hard inner tube, 21-inner tube blind end, 22-obturator, 23-obturator bottom, 25-inner tube openend, 3-thermal-collecting tube sealing ring, 31-heat preservation component, 4-heat pipe hole, 5-metal Plug Division, 51-Plug Division groove, 52-grafting sealing ring, 6-header, 61-water tank, 62-heat-insulation layer, 63-header delivery port, 64-header water inlet, 65-glass tube Plug Division, 66-caoutchouc elasticity circle, 7-concentrates storage tank, 71-storage tank circulation import, 72-hot water outlet, 75-storage tank loop exit, 81-hot water effluent node, 82-cold-water return node, 83-hot water manifold trunk, 84-cold water manifold trunk, 91-convergence piece, 92-locating support, 921-annular ring, 922-elastic ring.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further illustrated: as shown in Figure 1:
Central heating formula solar water heating system, comprises header 6, concentrates storage tank 7 and thermal-collecting tube 1, and described header 6 comprises inner water tank 61, is provided with header water inlet 64 and header delivery port 63 on described water tank 61; Described concentrated storage tank 7 comprises storage tank loop exit 75 and storage tank circulation import 71; The header water inlet 64 of at least one header 6 is communicated with storage tank loop exit 75, and its header delivery port 63 is communicated with storage tank circulation import 71, described thermal-collecting tube 1 comprises glass-vacuum tube 11, the cup-like structure that described glass-vacuum tube 11 forms for double glazing, glass-vacuum tube 11 one end are thermal-collecting tube blind end 14, and the other end is thermal-collecting tube openend 15; Glass-vacuum tube 11 comprises inner glass inner tube 12, space in glass inner tube 12 is media storage space 13, in described media storage space 13, be also provided with hard inner tube 2, described hard inner tube 2 is inner tube blind end 21 near one end of thermal-collecting tube blind end 14, the inner tube openend 25 that hard inner tube 2 other ends are hatch frame, in described hard inner tube 2, be provided with obturator 22, described obturator 22 Outside Dimensions are less than hard inner tube 2 inside dimensions, between described obturator 22 and hard inner tube 2, are provided with positioning element; The inner tube openend 25 of the side of described water tank 61 thermal-collecting tube 1 right with at least one composition is communicated with, and described paired thermal-collecting tube 1 is distributed in water tank 61 the right and lefts, and the height of described inner tube openend 25 is equal to or higher than the height of inner tube blind end 21.
Central heating formula solar water heating system of the present utility model, comprise header 6, thermal-collecting tube 1 and concentrated storage tank 7, described at least one, the header water inlet 64 of header 6 is communicated with storage tank loop exit 75, and header delivery port 63 is communicated with storage tank circulation import 71, be to make described concentrated storage tank 7 form loop capable of circulation with at least one header 6 by pipeline connection.Described header 6 comprises inner water tank 61, and the right thermal-collecting tube 1 of at least one composition is communicated with water tank 61, and paired thermal-collecting tube 1 is distributed in water tank 61 the right and lefts.
Header 6 is for collecting the high-temperature medium after thermal-collecting tube 1 heating, and thermal-collecting tube 1 is by the heat absorption of sunshine and passes to the parts of heat transfer medium, and it comprises the obturator 22 in outside glass-vacuum tube 11, inner hard inner tube 2 and hard inner tube 2.
Hard inner tube 2 is arranged in the inner media storage space 13 forming of glass inner tube 12, glass inner tube 12 surface-coateds in glass-vacuum tube 11 have the absorbed layer 19 of selection, when water heater working, select absorbed layer 19 fully to absorb the heat of sunshine, and logical heat transfer raises the heat transfer medium temperature in hard inner tube 2, in hard inner tube 2, be provided with obturator 22, obturator 22 Outside Dimensions are less than hard inner tube 2 inside dimensions, heat transfer medium is entered after hard inner tube 2, be compressed in the small space between obturator 22 and hard inner tube 2.
This makes the sunshine heat that thermal-collecting tube 1 absorbs be absorbed by heat transfer medium still less, thus heat transfer medium temperature can raise sooner, and form circulation.Because there is all the time high-temperature medium cannot reach user side in thermal-collecting tube 1, so the heat transfer medium of storage is fewer in thermal-collecting tube 1, the high-temperature medium in relative concentrated storage tank 7 is just more, and this is conducive to making full use of of high-temperature medium.
Because hard inner tube 2 is outside equipped with glass-vacuum tube 11, be vacuum between the inner and outer tubes of glass-vacuum tube 11, the heat that can obviously reduce absorption scatters and disappears to thermal-collecting tube 1 is extraneous simultaneously.Heat transfer medium is all stored in hard inner tube 2, hard inner tube 2 has higher intensity compared with glass tube, bears larger pressure and also can not damage, even if outside glass-vacuum tube 11 breaks accidentally, heat transfer medium can not occur yet and leak, whole hot-water heating system can also remain in operation; While needing repairing, only damaged glass-vacuum tube 11 need to be pulled down, load onto new glass-vacuum tube at original hard inner tube 2 overcoats.
Described hard inner tube 2 can be any have higher-strength and the good material of heat conduction, such as copper pipe, stainless steel tube, alumina ceramic tube etc.Obturator 22 can be solid construction, can be also hollow-core construction, and while adopting hollow-core construction, obturator 22 is interior can be vacuum state, also can be filled with inert gas, reduces its thermal conductivity.
Described obturator 22 is less than hard inner tube 2 inside dimensions as long as Outside Dimensions, can between obturator 22 and hard inner tube 2, form the small space of storage medium, reach the effect of quick formation circulation, preferably, can be that described obturator 22 is column structure, the external diameter of obturator 22 be less than hard inner tube 2 internal diameters.Adopt this embodiment, obturator 22 can better coordinate with hard inner tube 2, heat transfer medium is distributed more even, and so-called column structure comprises the structure such as cylinder, prism.
Described hard inner tube 2 is inner tube blind end 21 near one end of described thermal-collecting tube blind end 14, and described obturator 22 is obturator bottom 23 near one end of described thermal-collecting tube blind end 14.Inner tube blind end 21 and obturator bottom 23 as long as meeting closing structure, for example, can be the flat-bottom structures of sealing, can be preferably that described inner tube blind end 21 and obturator 22 two ends are arc, and obturator bottom 23 are less than inner tube blind end 21.Adopt the benefit of above-mentioned arcuate structure to be, the obturator 22 of hard inner tube 2 and employing hollow-core construction can better bear internal pressure.
The positioning element arranging between described obturator 22 and hard inner tube 2 its role is to prevent that obturator 22 from shaking in hard inner tube 2.Its implementation can be the mode that obturator 22 is fixedly connected with, and for example: described positioning element is convergence piece 91, described convergence piece 91 two ends are fixedly connected with hard inner tube 2 with obturator 22 respectively.As shown in Figure 2, convergence piece 91 is fixed together obturator 22 and hard inner tube 2.The mode being fixedly connected with can be welding, the mode such as bonding.
Prevent that obturator 22 from shaking in hard inner tube 2, also can be that obturator 22 is connected with hard inner tube 2 is dismountable, for example: described positioning element is the locating support 92 that is arranged on obturator 22 lateral location, described locating support 92 comprises annular ring 921, in annular ring 921, be provided with at least three elastic rings 922, described elastic ring 922 is uniformly distributed along the circumference, and a part for elastic ring 922 is resisted against hard inner tube 2 inner surfaces, and another part is resisted against obturator 22 outer surfaces.
As shown in Figure 3 and Figure 4, locating support 92 can be to have flexible material to make, for example steel wire.After installing, annular ring 921 is set in obturator 22 peripheries, on three elastic rings 922, the circle at the some place in close annular ring 921 centers of circle is less than obturator 22 Outside Dimensions, make the elastic ring 922 can be against being pressed on obturator 22 outer surfaces, same principle, three elastic rings 922 are greater than the internal diameter of hard inner tube 2 away from the circle at the some place in annular ring 921 centers of circle, make the elastic ring 922 can be against being pressed on hard inner tube 2 inner surfaces.Elastic ring 922 is uniformly distributed along the circumference and can ensures that obturator 22 surface balances are stressed.
Adopt in this way, obturator 22 can dismounting easily in hard inner tube 2.For preventing that obturator bottom 23 and inner tube blind end 21 excessive contact from affecting medium circulation, can also also arrange support between obturator bottom 23 and inner tube blind end 21.
In order to ensure that the high-temperature medium that header 6 was collected can enter concentrated storage tank 7, need heat transfer medium between header 6 and concentrated storage tank 7, to circulate, its implementation can be by temperature difference Natural Circulation or circulating pump forced circulation.
Taking water as heat transfer medium as example describes, adopt temperature difference Natural Circulation, can be that described header water inlet 64, storage tank loop exit 75, header delivery port 63 and storage tank circulation import 71 residing height set gradually from low to high.
When water heater working, the heated rear density step-down of water in thermal-collecting tube 1, the water of high temperature can move upward, and the height of described inner tube openend 25 is equal to or higher than the height of inner tube blind end 21, can ensure that the water after heating is pooled in header 6 smoothly, and be stored in the upper strata of header 6.
Hot water in each header 6 continues to upper reaches subsequently, enter to concentrate storage tank 7 and rest on from the pipeline between delivery port 63 and storage tank circulation import 71 and concentrate storage tank 7 upper stratas, concentrate the cold water of storage tank 7 lower floors to flow to water tank 61 from the back of pipeline between storage tank loop exit 75 and header water inlet 64 simultaneously, further flow in hard inner tube 2, so repeatedly after circulation, concentrate the water in storage tank 7 can be heated to higher temperature.
The embodiment of aforesaid dependence temperature difference Natural Circulation, requiring circulation line to have lower circulation resistance could realize.Pipeline will be avoided bending as far as possible, most preferably, the header water inlet 64 of described each header 6 is to be all communicated with by straight pipeline with storage tank loop exit 75, and the header delivery port 63 of described each header 6 is to be all also communicated with by straight pipeline with storage tank circulation import 71.
If adopt the embodiment of forced circulation, can be, on the pipeline between described header 6 and concentrated storage tank 7, circulating pump is set.The position of circulating pump setting can be on the main line being communicated with concentrated storage tank 7 at each header 6, between example hot water effluent's node 81 and storage tank circulation import 71 as shown in Figure 5, or between cold-water return node 82 and storage tank loop exit 75.When water heater working, thermal-collecting tube 1 is to inner water heating, and hot water moves upward in header 6, starts after circulating pump, and hot water can circulate to enter and concentrate storage tank 7, repeatedly after circulation, can make to concentrate the water in storage tank 7 to reach higher temperature.
In addition, central heating formula solar water heating system of the present utility model, because concentrated storage tank 7 can be to be communicated with multiple headers 6 to form loop, if carry out install pipeline according to saving duct length principle, from concentrating storage tank 7 header 6 its circulating line total lengths that connect use close to more shorter.Here so-called circulating line total length refers to the pipeline for water circulation that header 6 is communicated with concentrated storage tank 7, is that the duct length between described header delivery port 63 and storage tank circulation import 71 adds the duct length between the above header water inlet 64 and storage tank loop exit 75.
For the embodiment of temperature difference Natural Circulation, the header 6 that circulating line total length is shorter, its circulation resistance is less, so the hot water that circulation is flowed out is more, and away from concentrating the header 6 of storage tank 7 because its circulating line total length is long, circulation resistance is large, only has a small amount of hot water and flows out, and this causes cannot flowing into smoothly and concentrating in storage tank 7 away from header 6 its inner heated hot water of concentrating storage tank 7.
In order to address the above problem, can adopt following preferred embodiment: can be also to comprise hot water manifold trunk 83 and cold water manifold trunk 84, described concentrated storage tank 7 is communicated with multiple headers 6, multiple headers 6 are parallel and arrange and embark on journey, described hot water manifold trunk 83 is communicated with the header delivery port 63 of each header 6 from left to right successively, described cold water manifold trunk 84 is communicated with the header water inlet 64 of each header 6 from left to right successively, the position that described storage tank circulation import 71 is communicated with hot water manifold trunk 83 is hot water effluent's node 81, the position that described storage tank loop exit 75 is communicated with cold water manifold trunk 84 is cold-water return node 82, described hot water effluent's node 81 is arranged on from nearest header 6 places of concentrated storage tank 7, described cold-water return node 82 is arranged on from concentrating storage tank 7 header 6 places farthest.
Here so-called multiple header 6, refers to that at least two headers 6 are communicated with concentrated storage tank 7, as shown in Figure 5, adopts after this embodiment, and the circulation line total length of any one header 6 is all basic identical, and recirculated water can circulation in each header 6 uniformly.
The mode that water tank 61 sides are communicated with the inner tube blind end 21 of thermal-collecting tube 1, it can be any conventional set-up mode, for example water tank 61 sides are welding and are communicated with the inner tube blind end 21 of thermal-collecting tube 1, or the inner tube blind end 21 of water tank 61 sides and thermal-collecting tube 1 is threaded connection and conducting, can also be preferably following embodiment:
Described water tank 61 side openings are provided with heat pipe hole 4, be connected with inner tube Plug Division 5 with heat pipe hole 4, inner tube Plug Division 5 is suitable with inner tube blind end 21 sizes, and inner tube blind end 21 is plugged in together with inner tube Plug Division 5, between described inner tube blind end 21 and inner tube Plug Division 5, is provided with grafting sealing ring 52.
As depicted in figs. 1 and 2, in this embodiment, described water tank 61 sides are communicated with the mode that the employing of inner tube blind end 21 is pegged graft, inner tube Plug Division 5 is suitable with inner tube blind end 21 sizes, and between is provided with grafting sealing ring 52, grafting sealing ring 52 can ensure that plug-in position can not leak.
In above-mentioned embodiment, inserting mode can be both that inner tube blind end 21 is plugged in inner tube Plug Division 5, can be also that inner tube Plug Division 5 is plugged in inner tube blind end 21; Described inner tube Plug Division 5 can be arranged in water tank 61 and also can be arranged on outside water tank 61.Preferably, can adopt following embodiment:
Described inner tube Plug Division 5 is arranged on outside water tank 61, and described inner tube Plug Division 5 medial surfaces are provided with at least one Plug Division groove 51, and described grafting sealing ring 52 is arranged in Plug Division groove 51, and described inner tube blind end 21 is plugged in 5 inside, inner tube Plug Division.
In this embodiment, inner tube Plug Division 5 is connected and stretches out with heat pipe hole 4, in inner tube Plug Division, 5 inner surfaces are provided with Plug Division groove 51, grafting sealing ring 52 is arranged in Plug Division groove 51, arranging like this can be limited in grafting sealing ring 52 in Plug Division groove 51, slides in sealing ring 52 positions that prevent from pegging graft.Described grafting sealing ring 52 can be any conventional hermetically-sealed construction, for example, and V-shaped seal ring, O RunddichtringO etc.
In aforesaid several embodiment, after hard inner tube 2 is pegged graft with water tank 61, whole thermal-collecting tube 1 just links together with header 6.More firm for what the glass-vacuum tube 11 of hard inner tube 2 outsides was fixed, can be that described water tank 61 peripheries are enclosed with heat-insulation layer 62, described heat-insulation layer 62 offers glass tube Plug Division 65 near the position of inner tube Plug Division 5, the Outside Dimensions of the opening size of glass tube Plug Division 65 and described thermal-collecting tube blind end 15 is suitable, and thermal-collecting tube blind end 15 is plugged in glass tube Plug Division 65; On described glass-vacuum tube 11, between the outer circumference surface of close thermal-collecting tube blind end 15 and glass tube Plug Division 65 medial surfaces, be also provided with caoutchouc elasticity circle 66, described caoutchouc elasticity circle 66 cross sections are L shaped, L shaped one end is stretched in glass tube Plug Division 65, and the L shaped other end is resisted against the outer surface of heat-insulation layer 62.
The heat-insulation layer 62 of water tank 61 outer wrap can be the heat transfer medium insulation after heating, and as depicted in figs. 1 and 2, described inner tube blind end 21 is plugged in inner tube Plug Division 5, and the thermal-collecting tube blind end 15 of glass-vacuum tube 11 is plugged in glass tube Plug Division 65.Can make like this hard inner tube 2 and glass-vacuum tube 11 realize fixing with header 6 simultaneously.
The caoutchouc elasticity circle 66 arranging between described glass-vacuum tube 11 and glass tube Plug Division 65, can further strengthen the intensity of the combination after described thermal-collecting tube blind end 15 is pegged graft with header 6, in the time that thermal-collecting tube blind end 15 inserts glass tube Plug Division 65, extruding caoutchouc elasticity circle 66, make caoutchouc elasticity circle 66 be out of shape Outside Dimensions and become large, thereby be clamped in glass tube Plug Division 65.This makes thermal-collecting tube blind end 15 fix more firmly.Caoutchouc elasticity circle 66 cross sections are L shaped can prevent from thermal-collecting tube 1 is installed time, and caoutchouc elasticity circle 66 slips in glass tube Plug Division 65.
The thermal-collecting tube 1 that the utility model adopts, preferably, can be that the external diameter of described hard inner tube 2 and the internal diameter of glass inner tube 12 are suitable, make hard inner tube 2 outer surfaces and glass inner tube 12 inner surface close contacts, be to allow hard inner tube 2 be full of whole media storage space 13 as far as possible.Be conducive to like this select absorbed layer 19 that heat is passed to the heat transfer medium in hard inner tube 2 and hard inner tube 2 as early as possible.
If there is larger gap between hard inner tube 2 outer surfaces and glass inner tube 12 inner surfaces, preferred, can be between described glass inner tube 12 and hard inner tube 2, and the position of close thermal-collecting tube blind end 15 is provided with thermal-collecting tube sealing ring 3.
On the one hand thermal-collecting tube sealing ring 3 can be fixed the relative position of inner hard inner tube 2 and outside glass-vacuum tube 11, prevents that hard inner tube 2 from shaking in media storage space 13; Thermal-collecting tube sealing ring 3 can stop the air between glass inner tube 12 and hard inner tube 2 outwards to flow on the other hand, when the heat absorbing when the selection absorbed layer 19 in glass inner tube 12 transmits to hard inner tube 2, thermal-collecting tube sealing ring 3 can stop gap loss to thermal-collecting tube 1 that heat can be between glass inner tube 12 and hard inner tube 2, better heat preservation.
In order to prevent mounted thermal-collecting tube sealing ring 3 slippages, can also be at the groove of described hard inner tube 2 outer surface settings and thermal-collecting tube sealing ring 3 adaptations, described thermal-collecting tube sealing ring 3 is arranged in groove.
Described thermal-collecting tube sealing ring 3 can be any conventional seal, and for example V-shaped seal ring, for easy for installation, can be preferably O RunddichtringO.
In aforementioned embodiments, utilize thermal-collecting tube sealing ring 3 can stop the air between glass inner tube 12 and hard inner tube 2 outwards to flow to avoid thermal loss, scatter and disappear to thermal-collecting tube 1 from thermal-collecting tube sealing ring 3 in the mode of heat transmission but understand some heat.For avoiding this problem, preferred, can be between described glass inner tube 12 and hard inner tube 2, and be provided with heat preservation component 31 near the position of thermal-collecting tube blind end 15.
Heat preservation component 31 can be the temperature can bear thermal-collecting tube 1 and work time, and has the material of heat-insulating property, for example, and super glass wool, aluminosilicate fiber cotton etc.
Between described glass inner tube 12 and hard inner tube 2, arrange after heat preservation component 31, not only can stop the air between glass inner tube 12 and hard inner tube 2 outwards to flow, and can prevent that heat outwards scatters and disappears from heat preservation component 31 with thermaltransmission mode.
Between glass inner tube 12 and hard inner tube 2, heat preservation component 31 can be only set, can be to be also equipped with thermal-collecting tube sealing ring 3 and heat preservation component 31 simultaneously.For example, between described glass inner tube 12 and hard inner tube 2, and be provided with thermal-collecting tube sealing ring 3 and heat preservation component 31 near the position of thermal-collecting tube blind end 15, described heat preservation component 31 is between thermal-collecting tube sealing ring 3 and thermal-collecting tube blind end 15.
In above-mentioned embodiment, thermal-collecting tube sealing ring 3 and heat preservation component 31 work simultaneously, can at utmost reduce the heat loss occurring between glass inner tube 12 and hard inner tube 2.
Claims (10)
1. central heating formula solar water heating system, comprise header (6), concentrate storage tank (7) and thermal-collecting tube (1), described header (6) comprises inner water tank (61), is provided with header water inlet (64) and header delivery port (63) on described water tank (61), described concentrated storage tank (7) comprises storage tank loop exit (75) and storage tank circulation import (71), the header water inlet (64) of at least one header (6) is communicated with storage tank loop exit (75), and its header delivery port (63) is communicated with storage tank circulation import (71), it is characterized in that, described thermal-collecting tube (1) comprises glass-vacuum tube (11), the cup-like structure that described glass-vacuum tube (11) forms for double glazing, glass-vacuum tube (11) one end is thermal-collecting tube blind end (14), and the other end is thermal-collecting tube openend (15), glass-vacuum tube (11) comprises inner glass inner tube (12), space in glass inner tube (12) is media storage space (13), in described media storage space (13), be also provided with hard inner tube (2), described hard inner tube (2) is inner tube blind end (21) near one end of thermal-collecting tube blind end (14), the inner tube openend (25) that hard inner tube (2) other end is hatch frame, in described hard inner tube (2), be provided with obturator (22), described obturator (22) Outside Dimensions is less than hard inner tube (2) inside dimension, between described obturator (22) and hard inner tube (2), be provided with positioning element, the inner tube openend (25) of the side of described water tank (61) thermal-collecting tube (1) right with at least one composition is communicated with, described paired thermal-collecting tube (1) is distributed in water tank (61) the right and left, and the height of described inner tube openend (25) is equal to or higher than the height of inner tube blind end (21).
2. central heating formula solar water heating system as claimed in claim 1, is characterized in that, described obturator (22) is column structure, and the external diameter of obturator (22) is less than hard inner tube (2) internal diameter; Described obturator (22) is obturator bottom (23) near one end of described thermal-collecting tube blind end (14), described inner tube blind end (21) and obturator (22) two ends are arc, and obturator bottom (23) are less than inner tube blind end (21).
3. central heating formula solar water heating system as claimed in claim 1, it is characterized in that, described positioning element is convergence piece (91), and described convergence piece (91) two ends are fixedly connected with hard inner tube (2) with obturator (22) respectively.
4. central heating formula solar water heating system as claimed in claim 1, it is characterized in that, described positioning element is for being arranged on the locating support (92) of obturator (22) lateral location, described locating support (92) comprises annular ring (921), in annular ring (921), be provided with at least three elastic rings (922), described elastic ring (922) is uniformly distributed along the circumference, a part for elastic ring (922) is resisted against hard inner tube (2) inner surface, and another part is resisted against obturator (22) outer surface.
5. central heating formula solar water heating system as claimed in claim 1, it is characterized in that, described header water inlet (64), storage tank loop exit (75), header delivery port (63) and the residing height of storage tank circulation import (71) set gradually from low to high.
6. central heating formula solar water heating system as claimed in claim 1, it is characterized in that, also comprise hot water manifold trunk (83) and cold water manifold trunk (84), described concentrated storage tank (7) is communicated with multiple headers (6), multiple headers (6) are parallel and arrange and embark on journey, described hot water manifold trunk (83) is communicated with the header delivery port (63) of each header (6) from left to right successively, described cold water manifold trunk (84) is communicated with the header water inlet (64) of each header (6) from left to right successively, the position that described storage tank circulation import (71) is communicated with hot water manifold trunk (83) is hot water effluent's node (81), the position that described storage tank loop exit (75) is communicated with cold water manifold trunk (84) is cold-water return node (82), described hot water effluent's node (81) is arranged on from the concentrated nearest header (6) of storage tank (7) and locates, described cold-water return node (82) is arranged on from concentrating storage tank (7) header (6) farthest to locate.
7. central heating formula solar water heating system as claimed in claim 1, it is characterized in that, described water tank (61) side opening is provided with heat pipe hole (4), be connected with inner tube Plug Division (5) with heat pipe hole (4), inner tube Plug Division (5) is suitable with inner tube openend (25) size, and inner tube openend (25) is plugged in together with inner tube Plug Division (5), between described inner tube openend (25) and inner tube Plug Division (5), is provided with grafting sealing ring (52).
8. central heating formula solar water heating system as claimed in claim 7, it is characterized in that, described water tank (61) periphery is enclosed with heat-insulation layer (62), described heat-insulation layer (62) offers glass tube Plug Division (65) near the position of inner tube Plug Division (5), the Outside Dimensions of the opening size of glass tube Plug Division (65) and described thermal-collecting tube openend (15) is suitable, and thermal-collecting tube openend (15) is plugged in glass tube Plug Division (65); Between the upper outer circumference surface near thermal-collecting tube openend (15) of described glass-vacuum tube (11) and glass tube Plug Division (65) medial surface, be also provided with caoutchouc elasticity circle (66), described caoutchouc elasticity circle (66) cross section is L shaped, L shaped one end is stretched in glass tube Plug Division (65), and the L shaped other end is resisted against the outer surface of heat-insulation layer (62).
9. central heating formula solar water heating system as claimed in claim 1, is characterized in that, the internal diameter of the external diameter of described hard inner tube (2) and glass inner tube (12) is suitable.
10. central heating formula solar water heating system as claimed in claim 1, it is characterized in that, between described glass inner tube (12) and hard inner tube (2), and be provided with thermal-collecting tube sealing ring (3) near the position of thermal-collecting tube openend (15); Described hard inner tube (2) outer surface is provided with the groove adaptive with thermal-collecting tube sealing ring (3), described thermal-collecting tube sealing ring (3) is arranged in groove, described thermal-collecting tube sealing ring (3) is O RunddichtringO, and described hard inner tube (2) is stainless steel tube; Between described glass inner tube (12) and hard inner tube (2), and be provided with heat preservation component (31) near the position of thermal-collecting tube openend (15), described heat preservation component (31) is aluminosilicate fiber cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420357885.6U CN203940631U (en) | 2014-06-30 | 2014-06-30 | Central heating formula solar water heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420357885.6U CN203940631U (en) | 2014-06-30 | 2014-06-30 | Central heating formula solar water heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203940631U true CN203940631U (en) | 2014-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420357885.6U Expired - Fee Related CN203940631U (en) | 2014-06-30 | 2014-06-30 | Central heating formula solar water heating system |
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| CN (1) | CN203940631U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111059769A (en) * | 2019-12-03 | 2020-04-24 | 浙江远能新能源有限公司 | High-efficiency energy-saving split solar water heater |
-
2014
- 2014-06-30 CN CN201420357885.6U patent/CN203940631U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111059769A (en) * | 2019-12-03 | 2020-04-24 | 浙江远能新能源有限公司 | High-efficiency energy-saving split solar water heater |
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