CN107883591A - A kind of passive type dual flow path solar boiler - Google Patents
A kind of passive type dual flow path solar boiler Download PDFInfo
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- CN107883591A CN107883591A CN201711085263.7A CN201711085263A CN107883591A CN 107883591 A CN107883591 A CN 107883591A CN 201711085263 A CN201711085263 A CN 201711085263A CN 107883591 A CN107883591 A CN 107883591A
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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 invention discloses a kind of passive type dual flow path solar boiler, and it includes solar thermal collector, boiled water tank and the storage heater in boiled water tank.Wherein, solar thermal collector is by vacuum glass heat collection tube, metal rod heat pipe, heat conduction aluminium foil and drum composition, metal rod heat pipe evaporation ends and aluminum finned tube together insert vacuum glass heat collection tube, in condensation end of heat pipe insertion cylindrical shape drum, drum thoroughly does away with hot pressure rubber tubing by one and connected with boiled water tank；Installation storage heater in boiled water tank, the interior filling paraffin phase change heat storage material of storage heater.In the present invention, vacuum glass heat collection tube absorbs solar energy, transfer heat to drum rapidly by heat pipe and heat drum inner cold water, drum inner cold water is heated to saturated-vapor state and enters boiled water tank by adiabatic pressure rubber tubing, is mixed with boiled water tank inner cold water and it is heated.The device can be run at ambient pressure, it is not necessary to be additionally provided power, the thermal efficiency is high, it may also be used for fires fresh water boiling water and long-time spraying water vapor.
Description
Technical field
The invention belongs to the technology of solar energy heat utilization field, collection solar energy heating, steam accumulation of heat and the supply of boiling water hot water
Technology is integrated.Specially school, market, company etc. need the place of large-scale boiling water drinking device to provide solar energy water-boiling dress
Put.
Background technology
Solar energy is most preferable at present, most business development value, technology relatively maturation new energy technology, and it has
Typical cleaning, the advantages of pollution-free and total radiation power is huge, inexhaustible, solar energy is developed and profit
With being energy scheme that countries in the world government advocates energetically, the energy, the environmental dilemma that the mankind are walked out with itself are significant.
The utilization form for solar energy has photovoltaic generation at present, and heat generates electricity and directly utilizes solar heat.But too
The having some limitations property of utilization of positive energy, solar irradiation diurnally just have, and simple Solar use mode is not have at night
Have what energy exported.The unsustainable output for solving the problems, such as solar energy is an important problem, and the addition of storage heater can be with
Effectively make up this defect.
Solar boiler is the previous up-and-coming solar energy heat utilization device of mesh, is had inexpensively simply, using model
Wide, the characteristics of comercial operation is easy is enclosed, the place of large-scale boiling water drinking device is needed in many schools, market, company etc.
It is applied.Existing technology is improved, obtains that quality is higher, runs the striving direction that easier product is technical staff.Mesh
Preceding domestic product and patent can be divided into two major classes substantially：The first kind is single-loop system, directly in solar thermal collector
By tap water heating to boiling point, then boiler is flowed into gravity flow method.It is (true that it is configured similarly to all kinds of solar water heaters
Empty glass pipe type, flat, heat pipe-type), but add a container for storing boiling water and a set of temperature control system.Early stage opens
Hydrophone is substantially such construct.Such as patent of invention number：CN201310512923.0, a kind of drinking water type solar thermal collection system,
Disclose one kind and reach boiling point using solar thermal collection system heating running water, and combine attemperater and control water temperature, there is provided drink
With the system of water.CN 202083134 U, CPC heat-tube vacuum tubular type solar boilers, using CPC types solar panel, heat pipe and
Glass heat-collecting vacuum tube forms high temperature heat collector to improve heat-collecting temperature, temperature is controlled with relief valve, when water in heating water tank
Temperature produces steam after reaching 100 degree, steam pushes relief valve open, and boiling water is flowed into boiled water tank in heater box water.Its maximum feature is
Without using electrical equipment temperature regulating device.Second class is dual flow path system, in heat collector the water of heating not directly as drinking water, but and
Pure water in boiled water tank does a heat exchange, and boiled water tank is also a heat exchanger in itself, and the hot water in heat collector passes through pressure
Convection type flows through heat exchanger heating pure water.The typical structure such as U of utility patent CN 201945041, a kind of energy-saving sun
Can boiler, the hot water that solar thermal collector comes flows through a jacketed type exchanger, flowed again after the pure water in heating heat exchanger
Heat collector is returned, forms an enclosed stream.Heated pure water flows into boiled water tank.
Two class boilers respectively have advantage and disadvantage, and the first kind does not need power consumption, without moving component (water pump), structure letter
It is single, but water temperature is difficult to control, and often provides no boiled hot water, and the water quality of running water is also poor.Second class water quality
It is guaranteed, but needs power consumption, it is necessary to which a heat exchanger and water pump, complicated, cost is higher.And due to being to force
Convection circulation exchanges heat, and pure water can not possibly reach water temperature, typically can only achieve six or seven ten degree.
The content of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of passive type dual flow path solar boiler, it is included too
Positive energy heat collector, boiled water tank and the storage heater in boiled water tank, wherein, solar thermal collector is by vacuum glass heat collecting
Pipe, metal rod heat pipe, heat conduction aluminium foil and drum composition, metal rod heat pipe evaporation ends and heat conduction aluminium foil together insert vacuum
Glass heat collection tube, condensation end of heat pipe are inserted in cylindrical shape drum, and drum thoroughly does away with hot pressure rubber tubing by one and connected with boiled water tank；
Installation storage heater in boiled water tank, the interior filling paraffin phase change heat storage material of storage heater.
The present invention is achieved through the following technical solutions：
A kind of passive type dual flow path solar boiler, including the solar thermal collector with steam drum, are stored pure
The storage heater of the boiled water tank of water and the filling wax phase change heat-storing material in boiled water tank.Bar-shaped heat pipe with fin
Common solar vacuum heat-collecting pipe is inserted in evaporation part, and the water heated in heat pipe condensation part insertion drum in drum is changed into water steaming
Gas.Drum is connected with boiled water tank with rubber tube, and vapor is heated pure by pressure differential by rubber tube gravity flow into boiled water tank
Water.Also it is changed into boiling water after water vapor condensation to stay in boiled water tank.The storage heater of sleeve structure is installed in boiled water tank.In storage heater
Fill paraffin heat-storing material.
The solar thermal collector is a kind of high temperature heat collector that can provide vapor, by vacuum glass heat collection tube,
Heat conduction aluminium foil, heat pipe and drum composition.Vacuum glass heat collection tube absorbs solar energy and passes to heat conduction aluminium foil by heat-conducting mode,
Heat conduction aluminium foil transfers heat to heat pipe evaporation ends by heat conduction and radiation mode, heat pipe by phase-change heat-exchange quickly by heat from
Evaporation ends are delivered to condensation end, and condensation end of heat pipe heats fresh water in drum by heat conduction and convection type and produces steam, steam
It is flowed under pressure by the way that adiabatic pressure-resistant rubber hose is spontaneous in boiled water tank；
The heat conduction aluminium foil is " recessed " type structure, is made up of inner ring and outer rings, inner ring and outer rings are connected by fin, interior
Ring is brought into close contact with heat pipe evaporation ends tube wall, and heat pipe evaporation ends diameter is much smaller compared with outer annular diameter, and both form a kind of with poly-
The heat collector of heat effect, there is medium temperature heat build-up ability；
The boiled water tank is a pressure open container, is made up of overpressure resistant barrel, steam steam inlet pipe, chuck and insulation material,
And cold water water filling port, boiling water water nozzle and PCM sprues are provided with, overhead vapor air inlet introduces steam and enters container, steam pipe
Container bottom is reached, container bottom is provided with steam playpipe, fixed with dividing plate, full of pure water and equipped with telescopic inside container
Storage heater；
The storage heater has 2 parts, and a part is independent multiple sleeve type structures composition, is placed in inside water tank, soaks
Not in pure water；Another part is the jacket portion of water tank in itself；Paraffin accumulation of heat material is all filled inside 2 kinds of storage heaters
Material；Regenerator temperature is determined by the species of paraffin；In heat-accumulating process, heat passes to paraffin accumulation of heat material by heat conduction and convection type
Material, paraffin absorb heat and carry out accumulation of heat by sensible heat and latent heat；At night or under conditions of cloudy illumination deficiency, paraffin is put
Thermal process, pure water in heating boiled water implement, 60 to 70 degree can be maintained for a long time
High efficiencies of heat transfer and the high accumulation of heat of phase change heat storage material can be carried out by phase-change heat-exchange present invention utilizes heat-pipe working medium
The heat transfer principle of density；It make use of the principle of hydrodynamics of fluid energy neous flow under pressure differential；With prior art
Compare, the present invention has following beneficial effect：
1. whole device is divided into heat collector and boiler, only connected between the two by adiabatic pressure-resistant rubber hose, each portion
Part is compact-sized, easy for installation, and floor space is small；
2. heat collector uses heat pipe-type heat collection unit, realize that heat quickly transmits, " recessed " type heat conduction aluminium foil of use has
Heat conduction and heat build-up function, combined with heat pipe and may make up high temperature heat collecting element, pressure-bearing type drum provides bar to produce high-temperature steam
Part, steam neous flow under pressure can be achieved, without consuming power, to make boiler position cleverer
It is living, use water environment suitable for different；
3. the use of phase change heat storage material improves thermal storage density, under the conditions of illumination deficiency, remain to make boiled water tank
Interior pure water maintains 60 to 70 degree for a long time；
4. because its collecting efficiency is high, heat-collecting temperature is high, it may also be used for fires fresh water boiling water and long-time spraying water vapor, makees
For boiler, salt water desalter, apparatus for treating sewage and air humidifier, product diversification is realized.
Passive type dual flow path solar boiler of the present invention, simple in construction, floor space is few, installation and transportation side
Just, not consumption electric power, production cost operating cost is low, and efficiency of utilization is high, and thermal storage density is big, soaking time length.With higher
Commercialization value.
Brief description of the drawings
Fig. 1 is the operation logic figure of the present invention (schematic diagram of device is as shown in Figure 1)；
Fig. 2 is the heat pipe-type thermal-collecting tube structure chart of the present invention；
Fig. 3 is the boiled water tank structural representation of the present invention；
Fig. 4 is the sleeve storage heater structural representation of the present invention.
In figure：1st, support, 2, vacuum glass heat collection tube, 3, heat pipe, 4, heat pipe, 5, insulation material, 6, adiabatic pressure-resistant rubber
Sebific duct, 7, boiled water tank, 8, outer glass pipe, 9, inner glass tube, 10, heat pipe evaporation ends, 11, heat conduction aluminium foil, 12, selective heat-absorbing
Coating, 13, condensation end of heat pipe, 14, boiling water outlet, 15, liquid injection port, 16, chuck storage heater, 17, sleeve storage heater, 18, insulation
Material, 19, steam inlet, 20, PCM inlets, 21, outer sleeve, 22, inner sleeve, 23, PCM, 24, PCM inlets
Embodiment
The present invention is elaborated with reference to the accompanying drawings and examples, the embodiment is with the technical scheme is that preceding
Carry and give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following embodiments.
Fig. 1 and Fig. 3 are referred to, described passive type dual flow path solar boiler includes heat collector and boiled water tank 7, opened
Water tank is built with chuck storage heater 16 and sleeve storage heater 17；Heat collector part is by support 1, vacuum glass heat collection tube 2, heat pipe
3rd, fresh water working medium 4 and drum 5 form, and wherein vacuum glass heat collection tube 2 and heat pipe 3 form heat pipe-type heat collecting element；Heat collector
And connected between sea water tank 7 by adiabatic pressure-resistant rubber hose 6；
Fig. 1 and Fig. 2 please be participate in, the heat pipe-type heat collecting element is by vacuum glass heat collection tube 2, heat pipe 3 and heat conduction aluminium foil
11 compositions；Vacuum glass heat collection tube 2 includes outer glass pipe 8, inner glass tube 9 and coating for selective absorption 12；Heat conduction aluminium foil 11
Outer shroud is brought into close contact with inner glass tube 9, and inner ring is brought into close contact with heat pipe evaporation ends 10；Condensation end of heat pipe 13, which is inserted in drum 5, to be added
Hot fresh water；
Fig. 1 and Fig. 3 are referred to, the boiled water tank 7 is by chuck storage heater 16, socket type storage heater 17 and insulation material group
Into；And leaving steam inlet 19 makes the steam from heat collector enter boiled water tank 7, leaves the fluid infusion of cold water liquid injection port 15, leaves out
Water out 14 is using boiling water and leaves PCM sprues 20 as the injection heat-storing material 23 of chuck storage heater 16；
Fig. 3 and Fig. 4 are referred to, shown sleeve storage heater 17 is made up of inner sleeve 22 and outer sleeve 21, passes through PCM in sleeve
Sprue 24 injects phase change heat storage material 23.
It is one embodiment of the invention below.
Embodiment
In the present embodiment, heat pipe type solar heat collection pipe is put with ground into 30 ° of inclinations.The heat collection unit contains two
Drum group, each a diameter of 130mm of drum, a length of 2000mm, the metal fever tubular type that each drum group contains 24 commercializations are complete
Vacuum glass heat collection tube, wherein vacuum glass heat collection tube external diameter are 58mm, internal diameter 47mm, effective length 1600mm；Peace
Metal heat pipe condensation end external diameter in glass heat collection tube is 28mm, a length of 120mm；Boiled water tank volume 120L, high 1200mm,
Chuck external diameter 392mm, internal diameter 370mm；Sleeve storage heater is made up of two sleeves, and two sleeve height are 1000mm, wherein interior
Sleeve diameter 156mm, external diameter 206mm, outer sleeve internal diameter 260mm, external diameter 310mm.
In this example, the total daylighting area of heat collection unit is 4.06m2, by the working time 7 hour summer, solar energy is average
Radiation intensity 740W/m2, boiling water 100kg can be made, 70 to 80 degree is maintained under the conditions of illumination deficiency 8 hours.
The course of work of the present invention is as described below：
Solar irradiation is mapped on complete glass vacuum sun thermal-collecting tube 2, then by complete glass vacuum sun thermal-collecting tube 2
Alternative absorber coatings 12 on wall convert light energy into heat energy, are then delivered to by heat conduction on heat conduction aluminium foil 11, then lead to
Cross heat conduction and radiation is delivered to the working media of heat pipe evaporation ends 10, heat is quickly transferred to by working media by phase-change heat-exchange
Condensation end of heat pipe 13, heat pure water 4 in drum, in drum the evaporation of pure water 4 boiling water is entered by adiabatic pressure-resistant rubber hose 6
Case 7.
Fig. 3 and Fig. 4 are referred to, the steam from heat collector enters boiled water tank 7, steam and boiled water tank by steam inlet 19
Interior pure water mixes and it is heated, and mixing boiling water is stored in sleeve storage heater 17 and chuck storage heater 16 and sleeve accumulation of heat
Between the inner sleeve 22 and outer sleeve 21 of device 17；The phase-transition heat-storage that boiling water is transferred heat in storage heater by convection current and heat conduction
Material, heat-storing material complete accumulation of heat by sensible heat and latent heat；Under the conditions of illumination is insufficient, phase change heat storage material carries out heat release
Cheng Jiare pure water, realizes heat insulation function.
The invention provides a kind of passive type dual flow path solar boiler, it make use of heat-pipe working medium can by phase-change heat-exchange
Carry out the heat transfer principle of high efficiencies of heat transfer and the high thermal storage density of phase change heat storage material；It make use of fluid can be certainly under pressure differential
Send out the principle of hydrodynamics of flowing；Compact-sized, floor space is few, reduces production cost and operating cost, transport installation
It is convenient, can normally and efficiently it be run under conditions of unpowered offer, and there is higher solar collecting performance and heat storage performance, have
There is higher commercial value.
Claims (6)
1. a kind of passive type dual flow path solar boiler, including the solar thermal collector with steam drum, store pure water
Boiled water tank and the filling wax phase change heat-storing material in boiled water tank storage heater, it is characterised in that equipped with heat conduction aluminum
Common solar vacuum heat-collecting pipe is inserted in the evaporation part of the bar-shaped heat pipe of paper tinsel, is heated in heat pipe condensation part insertion drum in drum
Water be changed into vapor, drum is connected with boiled water tank with rubber tube, vapor by pressure differential by rubber tube gravity flow enter opens
Heating water tanks pure water, also it is changed into boiling water after water vapor condensation and stays in boiled water tank, the storage of sleeve structure is installed in boiled water tank
Hot device, the interior filling paraffin heat-storing material of storage heater.
A kind of 2. passive type dual flow path solar boiler according to claim 1, it is characterised in that：Mixed using steam
The mode of pure water provides boiling water, and steam flows automatically under pressure differential, and system is not all right to need power-equipment, and steam is also changed into out in itself
A water part, 2 streams are all open type streams, are finally mixed into all the way.
A kind of 3. passive type dual flow path solar boiler according to claim 1, it is characterised in that：The PCM steam
Storage heater has 2 parts, and a part is independent multiple sleeve type structures composition, is placed in inside water tank, is immersed in pure water,
Another part is the jacket portion of water tank in itself, all fills paraffin heat-storing material inside 2 kinds of storage heaters, regenerator temperature is by stone
The species of wax determines.
A kind of 4. passive type dual flow path solar boiler according to claim 1, it is characterised in that：The boiled water tank is
One pressure open container, top installation steam inlet introduce steam and enter vessel vapor pipe arrival container bottom, container bottom
Provided with steam playpipe, fixed with dividing plate.Pure water is full of inside container.
A kind of 5. passive type dual flow path solar boiler according to claim 1, it is characterised in that：Heat collector top has
One steam drum, drum size and daily steam production match, and running water inlet port is arranged at steam drum bottom, and top has
Steam (vapor) outlet connects boiled water tank, and open running water water inlet, fill drum in the morning, meets one day steam water automatically.
A kind of 6. passive type dual flow path solar boiler according to claim 1, it is characterised in that：With heat conduction aluminium foil
Diameter less metal heat pipe insertion solar vacuum heat-collecting pipe, keep well leading by heat conduction aluminium foil and glass tube with vacuum
Heat, heat pipe diameter are much smaller compared with glass heat collecting pipe diameter, and both form a kind of heat collector with heat build-up effect, gather with medium temperature
Heat energy power.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711085263.7A CN107883591A (en) | 2017-11-07 | 2017-11-07 | A kind of passive type dual flow path solar boiler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711085263.7A CN107883591A (en) | 2017-11-07 | 2017-11-07 | A kind of passive type dual flow path solar boiler |
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| CN107883591A true CN107883591A (en) | 2018-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711085263.7A Pending CN107883591A (en) | 2017-11-07 | 2017-11-07 | A kind of passive type dual flow path solar boiler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108981199A (en) * | 2018-09-13 | 2018-12-11 | 广州中国科学院工业技术研究院 | Energy utilization module and energy utility system |
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|---|---|---|---|---|
| FR2542071A2 (en) * | 1982-09-14 | 1984-09-07 | Sansonetti Dominique | Elemental solar collector under vacuum |
| CN1075000A (en) * | 1992-01-27 | 1993-08-04 | 杨绪强 | Solar heat-pipe vacuum tube water-boiling device |
| CN2498547Y (en) * | 2001-02-13 | 2002-07-03 | 徐宝安 | High-efficiency assembled heat pipe with anti-scaling solar glass vacuum heat-collecting pipe |
| CN2655120Y (en) * | 2003-10-23 | 2004-11-10 | 徐鸿胜 | Multipurpose solar water heater |
| CN1908549A (en) * | 2006-08-21 | 2007-02-07 | 河海大学 | Heat pipe type spherical disc type solar energy light and heat collector |
| CN200961960Y (en) * | 2006-05-09 | 2007-10-17 | 南京工业大学 | Groove type light-gathering heat pipe type solar boiler device |
| CN103836826A (en) * | 2012-11-21 | 2014-06-04 | 张翼飞 | Water tank of heat storage type solar water heater |
-
2017
- 2017-11-07 CN CN201711085263.7A patent/CN107883591A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2542071A2 (en) * | 1982-09-14 | 1984-09-07 | Sansonetti Dominique | Elemental solar collector under vacuum |
| CN1075000A (en) * | 1992-01-27 | 1993-08-04 | 杨绪强 | Solar heat-pipe vacuum tube water-boiling device |
| CN2498547Y (en) * | 2001-02-13 | 2002-07-03 | 徐宝安 | High-efficiency assembled heat pipe with anti-scaling solar glass vacuum heat-collecting pipe |
| CN2655120Y (en) * | 2003-10-23 | 2004-11-10 | 徐鸿胜 | Multipurpose solar water heater |
| CN200961960Y (en) * | 2006-05-09 | 2007-10-17 | 南京工业大学 | Groove type light-gathering heat pipe type solar boiler device |
| CN1908549A (en) * | 2006-08-21 | 2007-02-07 | 河海大学 | Heat pipe type spherical disc type solar energy light and heat collector |
| CN103836826A (en) * | 2012-11-21 | 2014-06-04 | 张翼飞 | Water tank of heat storage type solar water heater |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108981199A (en) * | 2018-09-13 | 2018-12-11 | 广州中国科学院工业技术研究院 | Energy utilization module and energy utility system |
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Application publication date: 20180406 |