CN201166467Y - Forced circulation balcony split type solar energy water heater - Google Patents
Forced circulation balcony split type solar energy water heater Download PDFInfo
- Publication number
- CN201166467Y CN201166467Y CNU2007201535589U CN200720153558U CN201166467Y CN 201166467 Y CN201166467 Y CN 201166467Y CN U2007201535589 U CNU2007201535589 U CN U2007201535589U CN 200720153558 U CN200720153558 U CN 200720153558U CN 201166467 Y CN201166467 Y CN 201166467Y
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- tube
- full glass
- thermal
- water heater
- forced circulation
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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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- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a forced circulation balcony separate solar water heater, wherein an insulating water tank of the separate solar water heater is concealed inside a balcony, a thermal-collecting tube system is hung on the heliotropic surface outside a balcony dado, the thermal-collecting tube system is communicated with the insulating water tank through two flexible cold or hot water pipes to form a circulation loop, and a circulating water pump is connected in the middle of the loop in series. The thermal-collecting tube system is formed through inserting a plurality of all-glass vacuum heat collecting tubes in a side collecting tube vertically along the horizontal inclined direction in a combining mode, a liquid distributer is arranged on one side of a side collecting tube, the power of the circulating water pump is used to evenly input cold liquid into the bottom of the tube cavity of each all-glass vacuum heat collecting tube to replace hot liquid in the tube cavity, and then the cold liquid and the hot liquid are combined and input into the insulating water tank. The forced circulation balcony separate solar water heater has simple inner component structure, low cost and high heating efficiency, and is also suitable for being used in families in high-rise buildings.
Description
Technical field
The utility model relates to and a kind ofly obtains the sun (energy) water heater of heat after to the cold/hot water volume replacement by circulating pump, especially relates to a kind of a kind of balcony separated type solar water heater that heat transfer type improves the thermal efficiency that changes.
Background technology
(solar energy) thermal-collecting tube that current solar water heater adopts has two classes: a class is phase-change type " a heat collector tube pipe ", and its thermal efficiency height, heat transfer type are simple, but valency is expensive; Another kind of is all-glass vacuum thermal-collecting tube (be called for short " full glass-tube "), and its thermal efficiency is not as good as " heat pipe ", but inexpensive and century-old how successful history arranged, and the utility model is with " glass-tube entirely ".
" forced circulation " is meant a kind of mode of obtaining solar energy that need adopt circulating pump when thermal-collecting tube obtains heat, the sun (energy) field of water heaters in forced circulation, usually the common feature of the multiple heat transfer unit (HTU) that adopts is: " needing a kind of dividing plate " separates heat-transfer fluid and heated fluid, heat need pass " dividing plate " just can finish heat transfer, thereby there is a no small thermal resistance, the thermal efficiency is influenced. and can reduce thermal resistance, improve the thermal efficiency by improving rate of flow of fluid, but still there be thermal resistance in the existence of " dividing plate ".One of the purpose of this utility model is to change this mode of obtaining heat from thermal-collecting tube, use circulating pump instead and cold fluid is delivered directly to the space that has been occupied by hot fluid in the thermal-arrest tube chamber, so-called " volume replacement ", to obtain heat, finish diabatic process. there be not " dividing plate " in this diabatic process, thereby increases substantially the thermal efficiency of thermal-collecting tube.
The method of work of " volume replacement " mode heat-obtaining also can be divided into two classes: a class is that the hot fluid that displaces from previous full glass-tube chamber is sent into a back thermal-arrest tube chamber in proper order, displaced more hot fluid, obtain heat by this series system from many thermal-arrest tube chambers, claim " series connection (formula) volume replacement heat-obtaining "; Another kind of is simultaneously cold fluid to be conveyed into several full glass-tubes chamber, to displace hot fluid simultaneously abreast, so claim " (formula) volume replacement heat-obtaining in parallel ", the utility model is the latter.
" paralleling with volume replacement to heat " is a kind of operation principle, but it is applied to " balcony separated type solar water heater " report is not arranged, in fact " paralleling with volume replacement to heat " is applied to balcony separated type solar water heater field, a little new problems but appear, and these new problems so far the someone propose/solve." forced circulation " described in the utility model, essence is to use the power of circulating pump to realize " volume replacement in parallel " of fluid, " paralleling with volume replacement to heat " principle is applied to " balcony separated type solar water heater " in addition, and the new problem that some occur thereupon will be illustrated and solve to the utility model also..
The content of utility model
The utility model purpose provides " a kind of balcony separated type solar water heater of forced circulation ", it adopts " forced circulation " mode to obtain heat/water from each full glass-tube tube chamber, this for making " balcony separated type solar water heater " is achieved, the utility model must solve when balcony separated type solar water heater occasion " paralleling with volume replacement to heat ", how to keep the thermic load (or fluid flow) of the full glass-tube of each root to reach that balanced even (otherwise the thermic load of some full glass-tube can approach zero, equals to lose efficacy! ); Also need solve the energy consumption that how to make circulating pump and reduce to minimumly, energy consumption is low just to reduce the machine run noise, otherwise the household user of " the balcony separated type solar water heater of paralleling with volume replacement to heat " is difficult to accept to it; How how normal/safety is moved under household condition (particularly at home high-rise) also need to solve this water heater at last.
The characteristics of the balcony separated type of forced circulation are that attemperater is placed in the balcony inboard, " thermal-collecting tube system " is suspended on balcony " parapet " outside and accepts illumination, fluid between attemperater and the thermal-collecting tube system is by two (hot/cold) soft circulation pipe thermal communication, water circulating pump of series connection in the circulation villous themeda villous themeda road.Because " parapet " highly only has 1m, many full glass-tubes in the thermal-collecting tube system are generally all arranged by (substantially) horizontal direction; Because be subjected to parapet " 1m height " restriction, the full glass-tube sum that horizontal direction is arranged is no more than 10; The other collector (header) that the left side of these full glass-tubes or right side must have this vertical Fang He of a foundation to arrange connects into an integral body to the full glass-tube of each root, and promptly each full glass-tube and an other collector are formed a thermal-collecting tube system.This " pattern " is generally acknowledged, and the utility model is followed it.
Explanation in passing, if by shown in last, this attemperater can only be by " formula of falling into water " hot-water supply; But if attemperater is set up heater (chuck or coil pipe) in addition, and circulation pipe (hot/cold) only is communicated with the heater that this is set up, and then attemperater can be by " pressure-bearing type " hot-water supply.This has been common recognition, has seldom stated.
The utility model becomes the utility model after some parts of the balcony separated type solar water heater of above-mentioned forced circulation are transformed (setting up), and its schematic diagram is seen Fig. 1.
In Fig. 1, each full glass-tube (4) inserts an other collector (5) by horizontal direction " laterally " substantially, angle is α between the axis of each full glass-tube (4) shown in Figure 1 and the horizontal plane, α ≠ 0, and this moment, each full glass-tube (4) was gone into other collector (5) (full glass-tube mouth is inclined upwardly) by the incline direction straight cutting.The α span is 0 ° to 15 °.Be that each full glass-tube (4) is gone into other collector (5) (full glass-tube mouth is inclined upwardly) by the incline direction straight cutting shown in existing Fig. 1 drawing.
Diagram (4f) is that full glass-tube of topmost, (4l) they are full glass-tube of foot. please note occasion " balcony separated type solar water heater ", though 8 full glass-tubes at most at interval (4f) and (4l), but its vertical range of two near 1m (as in " hot-water heating system " occasion, its vertical interval is 0.2m only), (4l) hydrostatic pressure that bears of the port of export exceeds " 1m fluid column static pressure " than (4f) promptly when the thermal-collecting tube system topping up work of " balcony separated type solar water heater "! This numerical value will badly influence " thermic load of the full glass-tube of each root (4) is unbalanced " spoken of subsequently.This is non-existent in " hot-water heating system ", only the feature problem that just exists the balcony separated type solar water heater.(6) be the cold circulation line that circulating pump (3) port of export cold fluid enters other collector (5), when by " volume replacement in parallel " mode from each full glass-tube (4) when displacing hot fluid, cold fluid in the cold circulation line (6) must be through a fluid distributor (7) that is installed in other collector (5) side, cold fluid evenly is separated into " umber that equates with full glass-tube sum ", by " the private cold fluid pipeline of each full glass-tube (4a) " cold fluid directly is conveyed into each full glass-tube (4) tube chamber inside respectively then, the hot fluid that originally accumulated in each full glass-tube (4) tube chamber inside is cemented out, come together in the top exit end (5t) of other collector (5) then, deliver to attemperater (1) by thermal cycle pipeline (2) then, finish " volume replacement mode in parallel obtains heat ".
Know by Fig. 1, the hydrostatic pressure that the hydrostatic pressure that fluid outlet bears in a bottom full glass-tube (4l) tube chamber bears than fluid outlet in a full glass-tube (4f) tube chamber of the top, exceed " 1m fluid column static pressure " because full glass-tube inner chamber is not withstand voltage, cause the circulating pump (3) that to select for use lift bigger, generally select the circulating pump (3) of lift less than " 4m fluid column ", promptly this " 1m fluid column static pressure " accounts for the 25%! of circulating pump (3) total (pumping) head If the caliber of the private cold fluid pipeline of each full glass-tube (4a) is also identical with length, fluid resistance general who has surrendered is identical, the flow Q-1 of the private cold fluid pipeline of full glass-tube (4a) in a then bottom full glass-tube (4l) tube chamber will be much smaller than the flow Q-f of the private cold fluid pipeline of full glass-tube (4a) in a full glass-tube (4f) tube chamber of the top, even form Q-1=0, promptly (or thermic load is zero to this full glass-tube " cutout "! ).For solving this non-existent new problem in " hot-water heating system ", the method that the utility model is taked is: one section of series connection " fluid resistance is regulated section (4c) " in each (4a), the pipeline that its essence is " reducer " or take to be uneven in length, thus the thermic load (fluid flow) that guarantees each full glass-tube is identical.The utility model adopts " reducer ".This is to adopt " paralleling with volume replacement to heat " principle to obtain the feature problem that heat occurs in " balcony separated type solar water heater ".
For the energy consumption that makes circulating pump (3) reduces, the utility model adopts the following method.The first, the caliber of the private cold fluid pipeline of each full glass-tube (4a) will dwindle, can not be by adopting " caliber be full glass-tube footpath 1/2 " in " hot-water heating system ", and promptly caliber is 18-23mm.The utility model " caliber " only is 8-10mm, or pipeline section long-pending only be in " hot-water heating system " below 25%.Caliber is littler, and the energy consumption of circulating pump (3) and noise are just little, just is applicable at home and uses.Second, each full glass-tube (4) or (4f) axis and the horizontal plane angle of (4l) etc. are not equal to zero (α ≠ 0), the α span is 0 ° to 15 °, generally get 5 ° of α ≈, be that full glass-tube mouth all is inclined upwardly near 5 °, spontaneous dirty, the spontaneous come-up of hot fluid of cold fluid that this helps in the full glass-tube chamber, make part cold/spontaneous the carrying out of hot fluid displacement, save energy consumption.The 3rd, just because of after 5 ° of the α ≈, " complete spontaneous dirty, the spontaneous come-up of hot-fluid physical efficiency of cold flow physical efficiency in glass-tube chamber ", so each (4a) there is no need to resemble in " hot-water heating system " deep being inserted into " near the bottom ", insertion depth only needs the 1/2 enough of approaching glass-tube length entirely.The utility model insertion depth is selected " full glass-tube length 1/2 to 4/10 " for use, promptly is no more than " 1/2 ". these all with " hot-water heating system " in way differ very big. the fluid flow pipe journey heal lack, flow resistance is littler, just makes the reduction of circulating pump (3) energy consumption.The 4th, lay a thermocouple at a certain full glass-tube (4) tube chamber middle part, attemperater (1) inner chamber is laid another thermocouple, when poor (" temperature difference ") of these two thermocouple indicated temperatures surpasses certain value, during as 15 ℃, start circulating pump (3); When " temperature difference " less than certain value, during as 5 ℃, the braking circulating pump (3).Promptly " seldom start circulating pump (3) ", reach the economize on electricity energy.The 5th, for reduce in the private cold fluid pipeline of each full glass-tube (4a) fluid flow resistance, cut down the consumption of energy, the selection of the private cold fluid pipeline of each full glass-tube (4a) adopts ganoid material to make, such as polypropylene, fluoroplastics, silicon rubber or silicate product.
" a kind of balcony separated type solar water heater of forced circulation " of the present utility model is applicable to high-rise, but therefore must consider: in a single day full glass-tube (4) breaks, how to prevent glass fragment and hot water fall injury ground pedestrian? solution of the present utility model is: every full glass-tube (4) use separately a bottom " sealing " cylindrical filament net (8), each full glass-tube (4) " is caught ".This net (8) is formed by metal/engineering plastics filament braiding, and the planar dimension (mm) of net (8) hole lattice is suitable with the square area of 3*3 to 6*6; Link each net (8) of each full glass-tube (4) with the stainless steel wire of 2-3 root diameter 1-3mm simultaneously and be bundled on nearby the firm support, thereby prevent that effectively glass fragment from hurting sb.'s feelings, do not influence full glass-tube (4) again simultaneously and adopt heat.As for how preventing hot water hurt sb.'s feelings? measure of the present utility model is: projected area of installation rectangular " flat basin " (9) below the thermal-collecting tube system, collecting system is just in its pelvic cavity." flat basin " (9) are made of the engineering plastics fiberglass of fast light photograph, and its deadweight is very light, is fixed on balcony " parapet " outer wall simultaneously. and " flat basin " (9) bottom has under duct and the house rainwater lets out pipeline connection, thereby effectively prevents " hot water is hurted sb.'s feelings ".
At last, consider some families situation of interior " uncared for water heater " for some time, the utility model is installed on the side to light of thermal-collecting tube system to " the sun-proof sheet " that can freely adorn/unload, sunshading cover adopts light color or silver color membrane type material to make, its effect is that block sunlight shines the thermal-collecting tube system where necessary, and " balcony separated type solar water heater " of the present utility model quit work.
Description of drawings
Fig. 1 is the utility model schematic diagram.Now the marginal data of Fig. 1 is come together in down: 2-thermal cycle pipeline, the cold circulation line of 6-, 4f-(other collector) is a full glass-tube topmost, the bottom full glass-tube of 4l-(other collector), the private cold fluid pipeline of each full glass-tube of 4a-, the fluid flow resistance of the private cold fluid pipeline of each full glass-tube of 4c-is regulated section, the other collector (having another name called header) of 5-(each full glass-tube), the hot fluid outlet of the other collector of 5t-top, 7-(cold) fluid distributor, 8-cylindrical filament net, " the flat basin " that the 9-projected area is rectangular, h-h horizontal plane/line, angle between the axis of α-each full glass-tube (4) and the horizontal plane.
The specific embodiment
Make the other collector (5) of 9 full glass-tubes of diameter 47mm, length 1.5m of an energy " straight cutting " (4), the another side of other collector (5) is provided with a fluid distributor (7). an end of fluid distributor (7) has a cold fluid import mouth of pipe, it be communicated with circulating pump (3) port of export again after the polyethylene pipe of nominal diameter 25mm is connected; The other end of fluid distributor (7) stretches into other collector (5) tube chamber, this port has the mouth of pipe of 9 diameter 8mm to link, after these 9 mouths of pipe all respectively have the polyfluortetraethylene pipe of a diameter 8mm to be communicated with, become the private cold fluid pipeline of each full glass-tube (4a), totally 9, after the circular hole of their 9 " straight cuttings " 9 full glass-tubes of diameter 47mm (4) from other collector (5) tube chamber is drawn respectively, inject a full glass-tube (4) tube chamber respectively, until near " 1/2 " depths.The polytetrafluoroethylene (PTFE) pipeline that connects one section special diameter in addition at the private cold fluid pipeline of each full glass-tube (4a) middle part, the fluid flow resistance that constitutes the private cold fluid pipeline of each full glass-tube is regulated section (4c). after 9 full glass-tubes (4) being inserted other collector (5) respectively, promptly form the thermal-collecting tube system.When it is installed in balcony " parapet " outside, make the axis and 5 ° of the horizontal plane angle α ≈ (5 ° inclination is arranged) of every thermal-collecting tube (4); And the axis of other collector (5) and plumb line also have the inclination near 5 °.The effluent pipe mouth of one nominal diameter 25mm is arranged at the top of other collector (5), is communicated with attemperater (1) bottom with polyethylene pipe, and an effluent pipe mouth is arranged in addition at the bottom of attemperater (1), is communicated with the entrance point of circulating pump (3) with polyethylene pipe.The inner chamber of attemperater (1) injects " copper/constantan " thermocouple, injects the depths that another " copper/constantan " thermocouple, its thermometric end are inserted to a certain full glass-tube (4) tube chamber deeply in the side of other collector (5).These two thermocouples provide " thermoelectromotive force " by the error-polarity connection mode to circulating pump (3) control system, start (3) when " thermoelectromotive force " is equivalent to 15 ℃, when reducing to stall (3) when being equivalent to 5 ℃.
" flat basin " (9) of letting out pipeline connection under duct and the house rainwater are arranged at rectangular, that engineering plastics fiberglass constitutes, the bottom of projected area of installation below collecting system, collecting system to the projection on ground just in the pelvic cavity of " flat basin " (9).At the side to light of collecting system that can freely adorn/unload, as to be made by silver color membrane type material " a sun-proof sheet " is installed.
Do check experiment with general " monoblock type " solar water heater and show, temperature (degree) liter (height) value Δ T in measuring in the identical time period two kinds of water heater attemperaters same day at sunshine
1With Δ T
2, Δ T wherein
1Temperature rise value for the utility model " a kind of balcony separated type solar water heater of forced circulation ".After being converted to " equivalent relatively hot efficient ", correction data shows " Δ T of the present utility model
1" than " Δ T
2" will exceed more than 15%.
Claims (9)
1. the balcony separated type solar water heater of a forced circulation, it is characterized in that, many full glass-tubes (4) all along inclined direction insert the other collector (5) of an inclination and form the thermal-collecting tube system, a side of other collector (5) is provided with a fluid distributor (7), fluid distributor (7) connects the many private cold fluid pipeline of each full glass-tube (4a), utilize the power of circulating pump (3) that cold fluid is conveyed into each full glass-tube (4) tube chamber inside equably, displace to gather behind the hot fluid of tube chamber inside and be conveyed into attemperater (1), being with a cylindrical filament net (8) outside each full glass-tube (4) " catches full glass-tube (4) ", " flat basin " (9) that fiberglass of the following installation of thermal-collecting tube system constitutes, the side to light of thermal-collecting tube system is installed sun-proof sheet, constitutes a kind of balcony separated type solar water heater of forced circulation.
2. the balcony separated type solar water heater of a kind of forced circulation according to claim 1, it is characterized in that, wherein many full glass-tubes (4) all along inclined direction insert the other collector (5) of an inclination, the axis of every full glass-tube (4) and the angle of horizontal plane are α, the numerical value of α is between 0 ° to 15 °, generally near 5 °.
3. the balcony separated type solar water heater of a kind of forced circulation according to claim 1, it is characterized in that, wherein a side of other collector (5) is provided with a fluid distributor (7), the function of fluid distributor (7) is that the cold fluid that circulating pump (3) transfers out is separated into many parts of cold fluids, and its concrete number is just identical with the number of each thermal-collecting tube (4) in the thermal-collecting tube system.
4. the balcony separated type solar water heater of a kind of forced circulation according to claim 1, it is characterized in that, wherein fluid distributor (7) the many private cold fluid pipeline of each full glass-tube of connection (4a) finally displace the hot fluid that accumulates in each thermal-collecting tube (4) tube chamber, the degree of depth that the private cold fluid pipeline of each full glass-tube (4a) is inserted every full glass-tube (4) tube chamber is near 1/2 of full glass-tube (4) the tube chamber degree of depth, generally gets 1/2 to 4/10 depth bounds.
5. according to the balcony separated type solar water heater of claim 1, it is characterized in that the material of the described many private cold fluid pipeline of each full glass-tube (4a) is fluoroplastics, polypropylene, silicon rubber or silicate product with the described a kind of forced circulation of claim 4.
6. according to the balcony separated type solar water heater of claim 1, it is characterized in that the caliber numerical value of the described many private cold fluid pipeline of each full glass-tube (4a) only is 8mm to 10mm, generally gets 8mm with the described a kind of forced circulation of claim 5.
7. the balcony separated type solar water heater of a kind of forced circulation according to claim 1, it is characterized in that, wherein many full glass-tubes (4) all along inclined direction insert other collector (5) the composition thermal-collecting tube system of an inclination, and cylindrical shape filament net (8) that every full glass-tube (4) all is woven into by metal/engineering plastics filament with, that be bundled on the support by stainless steel wire " catches ".
8. the balcony separated type solar water heater of a kind of forced circulation according to claim 1, it is characterized in that, wherein many full glass-tubes (4) the other collector (5) that all along inclined direction inserts an inclination is formed the thermal-collecting tube system, that thermal-collecting tube system below is equipped with is that engineering plastics fiberglass is made, to the ground projected area rectangular, the bottom has " flat basin " (9) of the drained liquid mouth of pipe.
9. the balcony separated type solar water heater of a kind of forced circulation according to claim 1, it is characterized in that, wherein many full glass-tubes (4) all along inclined direction insert other collector (5) the composition thermal-collecting tube system of an inclination, and " the sun-proof sheet " that can arbitrarily adorn/unload installed in the top that is close to of the side to light of thermal-collecting tube system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201535589U CN201166467Y (en) | 2007-06-12 | 2007-06-12 | Forced circulation balcony split type solar energy water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201535589U CN201166467Y (en) | 2007-06-12 | 2007-06-12 | Forced circulation balcony split type solar energy water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201166467Y true CN201166467Y (en) | 2008-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201535589U Expired - Fee Related CN201166467Y (en) | 2007-06-12 | 2007-06-12 | Forced circulation balcony split type solar energy water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201166467Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111811152A (en) * | 2020-07-02 | 2020-10-23 | 吉林省畜禽定点屠宰管理办公室(吉林省畜禽定点屠宰领导小组办公室、吉林省畜禽产品检测站) | Installation method of solar heating system |
-
2007
- 2007-06-12 CN CNU2007201535589U patent/CN201166467Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111811152A (en) * | 2020-07-02 | 2020-10-23 | 吉林省畜禽定点屠宰管理办公室(吉林省畜禽定点屠宰领导小组办公室、吉林省畜禽产品检测站) | Installation method of solar heating system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081217 Termination date: 20100612 |