CN208312728U - A kind of thermal storage type vacuum tube solar thermal collection system - Google Patents

A kind of thermal storage type vacuum tube solar thermal collection system Download PDF

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Publication number
CN208312728U
CN208312728U CN201820347629.7U CN201820347629U CN208312728U CN 208312728 U CN208312728 U CN 208312728U CN 201820347629 U CN201820347629 U CN 201820347629U CN 208312728 U CN208312728 U CN 208312728U
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heat
storage
tube
vacuum tube
solar
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何永泰
肖丽仙
罗永福
杨姚华
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Chuxiong Normal University
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Chuxiong Normal University
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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
    • 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
    • Y02E10/47—Mountings or tracking

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Abstract

The utility model relates to a kind of thermal storage type vacuum tube solar thermal collection systems, belong to technical field of solar utilization technique.The collecting system is based on common all-glass solar vacuum tubular collector, design heat storage type interpolation pipe, heat-collecting heat-storage integral vacuum solar thermal collector is constituted, heat-collecting heat-storage heat transfer integration is realized, has the characteristics that structure is simple, heat loss is small, easy to use.Meanwhile heat-collecting heat-storage formula vacuum pipe solar collecting system is constituted using heat-collecting heat-storage vacuum tube solar heating element parallel connection, have the characteristics that easy for installation, structure is simple, maintenance is simple.

Description

A kind of thermal storage type vacuum tube solar thermal collection system
Technical field
The utility model relates to a kind of thermal storage type vacuum tube solar thermal collection systems, belong to technical field of solar utilization technique.
Background technique
Solar energy is due to having the characteristics that pollution-free, widely distributed, energy density is big, in solar energy power generating, the sun Energy heat utilization etc. is used widely.In solar thermal utilization, especially in solar energy drying and heating system, due to By solar energy unstability, day alternates with night property and it is seasonal influence, solar thermal collector quantity of heat given up is unstable, to a certain degree On limit the raising of solar energy utilization efficiency and the popularization and application of solar thermal collection system.In order to improve solar air collection The stability of hot systems and the utilization efficiency for improving solar energy, it is mixed that one side people devise traditional electric heating and petrochemical industry heat supply Close solar thermal system；On the other hand, increase independent heat accumulation subsystem in traditional solar thermal collection system, devise heat storage type Solar thermal collection system, such as: a kind of phase-change thermal storage type solar water heating system (CN201510450023.7), heat storage type solar energy Low-temperature heat supply system (CN201320888461.8) etc..
Research shows that solar thermal collector and heat storage units are integrated, the heat that can effectively improve solar air heat collection system is steady Determine characteristic and extend the heating time of solar energy system, still, the existing generally existing heat collector of solar thermal collection system and storage Hot cell separation, structure is complicated, higher cost, it is not easy to install the problems such as.
Utility model content
Structure is complicated, higher cost, collection not easy to install purpose of the utility model is to solve of the existing technology The problem of hot device and heat storage units separate, proposes a kind of thermal storage type vacuum tube solar thermal collection system, core is heat-collecting heat-storage Vacuum tube solar heating element.The heat collector is designed in heat storage type based on common all-glass solar vacuum tubular collector Intubation constitutes heat-collecting heat-storage integral vacuum solar thermal collector, heat-collecting heat-storage heat transfer integration is realized, with structure letter Singly, the features such as heat loss is small, easy to use.Meanwhile heat storage type is constituted using heat-collecting heat-storage vacuum tube solar heating element parallel connection Vacuum pipe solar collecting system has the characteristics that easy for installation, structure is simple, maintenance is simple, preferably solves the sun The unstable influence to output hot air temperature of energy, and effectively extend the heating time of system, that improves solar energy utilizes effect Rate.
The purpose of this utility model is achieved through the following technical solutions:
A kind of thermal storage type vacuum tube solar thermal collection system, comprising: heat-collecting heat-storage vacuum tube solar heating element array, cold Wind comb, hot wind collector, insulating tube and bracket.
Cold wind comb and hot wind collector are placed in side by side above heat-collecting heat-storage vacuum tube solar heating element array；Cold wind comb Outlet be connected to the entrance of heat-collecting heat-storage vacuum tube solar heating element, the entrance of hot wind collector and heat-collecting heat-storage vacuum tube are too The outlet of positive energy heat collector；Insulating tube is used for the heat preservation of hot wind collector and cold wind comb, and cold wind comb and hot wind collector are set Portion in the inner；Bracket is mainly used for fixed heat-collecting heat-storage vacuum tube solar heating element and insulating tube
The heat-collecting heat-storage vacuum tube solar heating element array is by more heat-collecting heat-storage vacuum collectors (or string in parallel It is in parallel) composition.
The heat-collecting heat-storage vacuum tube solar heating element, integrates solar energy heating, heat accumulation and heat transfer；Mainly by complete Glass solar vacuum tube and heat storage type interpolation pipe two parts composition, for converting the solar into thermal energy, and realize thermal energy It stores and conducts heat for heat-transfer working medium (empty gas and water).
Wherein, full-glass solar energy vacuum tube, is inner and outer pipes double-layer structure, and inner tube outer surface coating ahsorption membrane layer is conducive to It improves solar radiative absorption rate and reduces its emissivity.Gap between glass-vacuum tube inner and outer pipes is vacuum layer, for reducing Because of heat loss caused by cross-ventilation, conduction.
Heat storage type interpolation pipe includes: aluminum pipe, phase-change material, interpolation copper pipe, insulation cover and spring support.Aluminum pipe is low side envelope The hollow cylinder of mouth, aluminum pipe are placed in inside full-glass solar energy vacuum tube, and bottom passes through spring support and supports fixation；Interpolation copper Pipe is hollow U-tube, is placed in inside aluminum pipe；Phase-change material is filled with inside aluminum pipe；Insulation cover is used for true to full-glass solar energy Blank pipe is sealed；
The full-glass solar energy vacuum pipe diameter is 58mm, a length of 1.8m；Aluminum pipe diameter is 42mm, a length of 1.7m；It is interior Inserting U copper pipe diameter is 12mm.Cold wind comb interior diameter is 3cm, and hot wind collector interior diameter is 3cm,
Cold wind comb is the cold air distribution pipe of heat-collecting heat-storage vacuum tube solar heating element, and there are multiple parallel outlet air Mouthful, the cold air that air blower is sent out is exported through cold wind comb by connecting with the entrance of heat-collecting heat-storage vacuum tube solar heating element It will be assigned in heat-collecting heat-storage vacuum tube solar heating element in parallel.
Hot wind collector is the manifold trunk that heat-collecting heat-storage vacuum tube solar heating element array exports hot wind, and there are multiple parallel Hot air inlet；The hot wind exported in each heat-collecting heat-storage vacuum tube solar heating element is pooled in collector through hot air inlet, And it exports and exports through thermal-collecting tube.
Insulating tube is used for the installation and heat preservation of cold wind comb and hot wind collector, comprising: pvc pipe and mineral wool composition.Heat preservation The shell of pipe is the PVC round tube for being provided with 5cm sipes.Cold wind comb and hot wind collector pass through pvc pipe slot and heat storage type thermal-collecting tube Connection, internal filling glass cotton is for keeping the temperature.
Bracket is mainly used for fixed heat-collecting heat-storage vacuum tube solar heating element and insulating tube, comprising: upper girt, under Girt, left side upright bar, right side upright bar, left side pull rod, right side pull rod, spill pedestal, fixed ring, insulating tube left side brackets and Bracket on the right side of insulating tube；Wherein, circular retainer ring and spill pedestal are for fixing heat-collecting heat-storage evacuated collector tube；Circular retainer ring For the stainless steel ring of diameter 5.8cm, it is fixed on girt, it is recessed for fixing the upper end of heat-storage type vacuum heat collector tube Shape base recess diameter is 5.8cm, for fixing the low side of heat-collecting heat-storage evacuated collector tube；Insulating tube left side brackets and insulating tube Right side bracket is curved stainless steel pipe, is fixed in left side upright bar and right side upright bar for fixing insulating tube.Lower girt, Left side pull rod, right side pull rod are respectively placed in the bottom and side of bracket, the fixation and reinforcing for bracket.
Connecting tube is inner hole for heat-storage type vacuum heat collector tube entrance, the connection of outlet and cold wind comb and hot wind collector The pvc pipe of diameter 12mm.
Beneficial effect
A kind of thermal storage type vacuum tube solar thermal collection system disclosed by the utility model, with heat-collecting heat-storage solar vacuum tube Energy heat collector is core.The heat collector is based on common all-glass solar vacuum tubular collector, by heat storage type interpolation pipe, Heat-collecting heat-storage integrated vacuum pipe solar thermal collector is constituted, realizes heat-collecting heat-storage heat transfer integration, heat simple with structure Lose the features such as small, easy to use.Meanwhile heat-collecting heat-storage formula is constituted too using heat-collecting heat-storage vacuum tube solar heating element parallel connection Positive energy collector system has the characteristics that easy for installation, structure is simple, maintenance is simple, preferably solves solar energy shakiness The fixed influence to output hot air temperature, and effectively extend the heating time of system, improve the utilization efficiency of solar energy.
Detailed description of the invention
Fig. 1 is the thermal storage type vacuum tube solar thermal collection system schematic diagram of the utility model；
Fig. 2 is heat-collecting heat-storage vacuum tube collector structure side diagrammatic cross-section；
Fig. 3 is heat-collecting heat-storage vacuum tube collector feature cross-section schematic diagram；
Fig. 4 is cold wind calandria structure schematic diagram；
Fig. 5 is hot wind manifold construction schematic diagram；
Fig. 6 is supporting structure schematic diagram；
Fig. 7 is test solar irradiance and system heat outputting spirogram.
Wherein, 1-cold wind comb, 2-hot wind collectors, 3-insulating tubes, 4-brackets, 5-heat-collecting heat-storage solar vacuum tubes It can heat collector, 6-heat storage type interpolation pipes, 7-aluminum pipes, 8-phase-change materials, 9-interpolation copper pipes, 10-insulation covers, 11-springs Bracket, 12-full-glass solar energy vacuum tubes, 13-insulating tube left side brackets, 14-insulating tubes right side bracket, 15-upper levels Pull rod, 16-circular retainer rings, 17-left side upright bars, 18-right side upright bars, 19-left side pull rods, 20-right side pull rods, 21- Lower girt, 22-spill pedestals.
Specific embodiment
In order to better illustrate the purpose of this utility model and advantage, with reference to the accompanying drawing with example to utility model content It is described further.
Embodiment 1
A kind of heat-collecting heat-storage formula vacuum tube solar heating element system, including heat-collecting heat-storage vacuum tube solar heating element 5 Array, cold wind comb 1, hot wind collector 2, insulating tube 3 and bracket 4 form, and structural representation is as shown in Figure 1.
5 array of heat-collecting heat-storage vacuum tube solar heating element of design is by more heat-collecting heat-storage vacuum tube solar heating elements 5 compose in parallel, and heat-collecting heat-storage vacuum tube solar heating element 5 is the core of the utility model, collection solar energy heating, heat accumulation and Heat transfer is integrated, and is mainly made of full-glass solar energy vacuum tube 12 and 6 two parts of heat storage type interpolation pipe, for turning solar energy It is changed to thermal energy, and realizes the storage of thermal energy and conducts heat for heat-transfer working medium (empty gas and water).Wherein, full-glass solar energy vacuum tube 12, It is inner and outer pipes double-layer structure for normal domestic use solar energy vacuum tube, inner tube outer surface coating ahsorption membrane layer is conducive to improve sun spoke It penetrates absorptivity and reduces its emissivity.Gap between glass-vacuum tube inner and outer pipes is vacuum layer, for reduce because cross-ventilation, Heat loss caused by conducting.Heat storage type interpolation pipe 6 includes aluminum pipe 7, phase-change material 8, interpolation copper pipe 9, insulation cover 10, spring support 11.The structural representation of heat-collecting heat-storage vacuum tube solar heating element 5 is as shown in Figure 2 and Figure 3.In the design, full-glass solar energy is true 12 diameter of blank pipe is 58mm, a length of 1.8m, and 7 diameter of aluminum pipe is 42mm, a length of 1.7m, and interpolation U-shaped copper pipe diameter is 12mm, U-shaped Distance is 16mm, and structure is as shown in Figure 2 and Figure 3.
Phase-change material 8 stores thermal energy using phase transformation heat content；Interpolation copper pipe 9 is air circulation heating pipe；Insulation cover 10 rises Heat-blocking action reduces the heat loss on thermal storage type vacuum tube heat collector top；Spring support 11, for consolidating for heat storage type interpolation pipe 6 Fixed and support.
Cold wind comb 1 is the cold air distribution pipe of 5 array of heat-collecting heat-storage vacuum tube solar heating element, in cold wind comb 1 Diameter is 3cm, there are multiple parallel air outlets, schematic diagram as shown in figure 4, air blower send out cold air through cold wind comb 1 Outlet is assigned in heat-collecting heat-storage vacuum tube solar heating element 5 in parallel.
Hot wind collector is the manifold trunk that 5 array of heat-collecting heat-storage vacuum tube solar heating element exports hot wind, in hot wind collector Diameter is 3cm, and there are multiple parallel hot air inlets, schematic diagram is as shown in Figure 5.Each heat-collecting heat-storage vacuum pipe solar thermal-arrest The hot wind exported in device 5 is pooled in collector through hot air inlet, and is exported and exported through thermal-collecting tube.
Insulating tube 3 is used for the installation and heat preservation of cold wind comb 1 and hot wind collector, comprising: pvc pipe and mineral wool composition.It protects The shell of warm pipe 3 is the PVC round tube for being provided with 5cm sipes.Cold wind comb 1 and hot wind collector pass through pvc pipe slot and heat storage type collection Heat pipe connection, internal filling glass cotton is for keeping the temperature.
Bracket is mainly used for fixed heat-collecting heat-storage vacuum tube solar heating element and insulating tube 3, comprising: upper girt 15, lower girt 21, left side upright bar 17, right side upright bar 18, left side pull rod 19, right side pull rod 20, spill pedestal 22, circle Fixed ring 16, insulating tube left side brackets 13, insulating tube right side bracket 14 etc., supporting structure schematic diagram is as shown in Figure 6.Wherein, circle For fixing heat-storage type vacuum heat collector tube, circular retainer ring 16 is stainless for diameter 5.8cm's for shape fixed ring 16 and spill pedestal 22 Steel loop is fixed on girt 15, for fixing the upper end of heat-collecting heat-storage vacuum tube solar heating element 5, concave bottom 22 recess diameters of seat are 5.8cm, for fixing the low side of heat-collecting heat-storage vacuum tube solar heating element 5；Insulating tube 3 or so is collateral Frame is curved stainless steel pipe, is fixed in left and right sides upright bar 18 for fixing insulating tube 3；
2.2 heat transfer principle
In 5 structure of heat-collecting heat-storage vacuum tube solar heating element, heat storage type interpolation pipe 6 is mounted in solar energy vacuum tube Portion, solar energy vacuum tube inner tube heat absorption film layer absorb solar radiant energy and are converted into thermal energy, and the major part of heat is heat storage type Interpolation pipe 6 heats, and for the thermal energy that heat storage type interpolation pipe 6 heats, a part is stored in phase-change material, and a part is interpolation copper pipe 9 heating, interpolated 9 arrival end of copper pipe of heat-transfer working medium flow through after copper pipe is heated, and flow out hot working fluid by copper pipe outlet end.Vacuum tube The heat of generation is radiated at least partially through the vacuum interlayer between vacuum pipe port insulation cover 10, vacuum tube inner wall and outside wall surface Heat dissipation and outside wall surface pass through radiation and convection current etc. to function of environment heat emission.It is special according to the structure of heat-collecting heat-storage vacuum tube solar heating element Point, the solar energy that heat collector absorbs may be expressed as:
QA=DroLEk(τa)e (1)
In formula, Dro is vacuum tube outer tube diameter, and L is vacuum tube effective length, and E is solar irradiance, and k is outer glass tube Transmissivity, (τ a) e are effective product of inner tube absorbed layer absorptivity and emissivity.
According to the structure of heat storage type interpolation pipe 6, storing heat mainly includes that 7 temperature of aluminum pipe increases storage heat, phase transformation Temperature increases storage heat after material phase transformation stores heat, phase-change material before phase change, 9 temperature of interpolation copper pipe increases storage heat. It may be expressed as:
Qst=mPCM[CPCM(Tf-Ti)+Hm]+[mAICAI+mCuCCu](Tf-Ti) (2)
In above formula, CPCMThe specific heat capacity (unit: kJ.kg-1.K-1) of phase-change material, mPCMFor the quality of phase-change material, CAIFor The specific heat capacity (unit: kJ.kg-1.K-1) of aluminum pipe 7, mAIFor the quality of aluminum pipe 7, CCuFor the specific heat capacity (unit: kJ.kg- of copper pipe 1.K-1), mCuFor the quality of copper pipe.
Wind speed and heat collector entrance, the outlet of the output efficient heat and air of heat-collecting heat-storage vacuum tube solar heating element Temperature difference is related, may be expressed as:
Qu=CairρairG(Taf-Tai) (3)
In above formula, CairIt is the specific heat capacity (1.004kJ.kg-1.K-1) of air, ρ is the density (1.29kg.m- of air 3), G is the flow (m3/h) of outlet air, TafFor outlet air temperature, TaiFor entering air temperature.
According to (1) (2) Shi Ke get, the delivery efficiency of thermal storage type vacuum tube heat collector are as follows:
3. the analysis of heat-collecting heat-storage formula vacuum tube heat collection function system thermal characteristics
5 system structure of heat-collecting heat-storage formula vacuum tube solar heating element is illustrated as shown in Figure 1, it is mainly true by heat-collecting heat-storage The composition such as blank pipe solar thermal collector, hot wind collector, cold wind comb 1, muff, bracket, in parallel vacuum pipe heat collector system 9 heat-collecting heat-storage vacuum tube solar heating elements are connected by cold wind comb 1 with hot wind collector parallel way in system, constitute collection Hot heat accumulation vacuum tube solar heating element array.Cold wind comb 1, hot wind collector are placed in insulating tube 3, interior diameter 3cm, The shell of muff is pvc pipe, and internal filling-foam material, the diameter of insulating tube 3 is 10cm.
In systems, heat-collecting heat-storage vacuum tube solar heating element composes in parallel collection by cold wind comb 1 and hot wind collector Hot device array, cold wind comb 1 and hot wind collector are placed in the insulating tube 3 being made of pvc pipe and thermal insulation material, and cold air is through drum It is assigned in each heat-collecting heat-storage vacuum tube solar heating element after blower pressurization by cold wind collector, heat-collecting heat-storage vacuum pipe solar Heat collector is exported after hot wind collector collects by hot-blast outlet after heating to cold air.According to the design feature of system, system The thermal efficiency may be expressed as:
In view of in system testing, the wind speed for testing hot-blast outlet end hot wind is more convenient, and therefore, the thermal efficiency of system can It indicates are as follows:
In above formula, V is the wind speed (unit: m/s) at hot-blast outlet end, and S is hot wind collector inner section product (unit: m2), As For the gross area (unit: m2) of collector array, Tsf and Tsi are respectively system outlet end hot wind and arrival end cold wind temperature.
4. the design of 5 system of heat-collecting heat-storage formula vacuum tube solar heating element and thermal characteristics experiment
It is on November 14th, 2017, empty to the heat storage type of design being made of 9 heat-collecting heat-storage vacuum tube solar heating elements Gas collecting system is tested, and air enters cold wind comb 1 through cold air inlet after air blower accelerates in testing, through heat accumulation It is pooled to hot wind collector after the heating of formula thermal-collecting tube, is exported by hot-blast outlet.Test content include: heat collector cold air inlet temperature, Hot-blast outlet temperature, solar irradiance, hot-blast outlet wind speed.It is 40 DEG C critical in heat collector outlet temperature according to test result Point stops calculating, and for timing time from 8:30-19:20, it is 16445.3KJ, incident collector array that heat collector, which exports total amount of heat, Total solar energy is 29650.1KJ (collector array area is 1.3m2).As a result, in one day, heat-collecting heat-storage formula vacuum tube is too The day thermal efficiency of positive energy 5 system of heat collector is 55.4%.In addition, 5 system of heat-collecting heat-storage formula vacuum tube solar heating element is defeated Heat and solar irradiance variation diagram are as shown in Figure 7 out.
By the way that, it can be seen that increasing phase-change material 8 in heat collector, system heating time is effectively extended in Fig. 7, After sunset (when 18:00), system can also continue to provide 40 DEG C or more hot gas nearly 2 hours.
Above-described specific descriptions have carried out further in detail the purpose of utility model, technical scheme and beneficial effects It describes in detail bright, it should be understood that the foregoing is merely specific embodiment of the utility model, is not used to limit this practical Novel protection scope, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done, It should be included within the scope of protection of this utility model.

Claims (7)

1. a kind of thermal storage type vacuum tube solar thermal collection system, it is characterised in that: include: heat-collecting heat-storage vacuum pipe solar thermal-arrest Device array, cold wind comb, hot wind collector, insulating tube and bracket；
Cold wind comb and hot wind collector are placed in side by side above heat-collecting heat-storage vacuum tube solar heating element array；Cold wind comb goes out Mouth is connected to the entrance of heat-collecting heat-storage vacuum tube solar heating element, the entrance and heat-collecting heat-storage vacuum pipe solar of hot wind collector The outlet of heat collector；Insulating tube is used for the heat preservation of hot wind collector and cold wind comb, and cold wind comb and hot wind collector are placed in it It is internal；Bracket is mainly used for fixed heat-collecting heat-storage vacuum tube solar heating element and insulating tube
The heat-collecting heat-storage vacuum tube solar heating element array is by more heat-collecting heat-storage vacuum collectors parallel connections or series-parallel group At；
The heat-collecting heat-storage vacuum tube solar heating element, mainly by full-glass solar energy vacuum tube and heat storage type interpolation pipe two It is grouped as, for converting the solar into thermal energy, and realizes the storage of thermal energy and conduct heat for heat-transfer working medium；
Wherein, full-glass solar energy vacuum tube, is inner and outer pipes double-layer structure, and inner tube outer surface coating ahsorption membrane layer is conducive to improve Solar radiative absorption rate and its emissivity of reduction；Gap between glass-vacuum tube inner and outer pipes is vacuum layer, for reducing because of sky Heat loss caused by gas convection current, conduction；
Heat storage type interpolation pipe includes: aluminum pipe, phase-change material, interpolation copper pipe, insulation cover and spring support；Aluminum pipe is low side sealing Hollow cylinder, aluminum pipe are placed in inside full-glass solar energy vacuum tube, and bottom is supported by spring support and fixed；Interpolation copper pipe is Hollow U-tube, is placed in inside aluminum pipe；Phase-change material is filled with inside aluminum pipe；Insulation cover is used for full-glass solar energy vacuum tube It is sealed.
2. a kind of thermal storage type vacuum tube solar thermal collection system as described in claim 1, it is characterised in that: the full glass is too Solar energy vacuum pipe diameter is 58mm, a length of 1.8m；Aluminum pipe diameter is 42mm, a length of 1.7m；Interpolation U copper pipe diameter is 12mm；It is cold Wind comb interior diameter is 3cm, and hot wind collector interior diameter is 3cm.
3. a kind of thermal storage type vacuum tube solar thermal collection system as claimed in claim 1 or 2, it is characterised in that: cold wind comb For the cold air distribution pipe of heat-collecting heat-storage vacuum tube solar heating element, there are multiple parallel air outlets, air blower is sent out cold Air is exported through cold wind comb will be assigned to thermal-arrest in parallel by connecting with the entrance of heat-collecting heat-storage vacuum tube solar heating element In heat accumulation vacuum tube solar heating element.
4. a kind of thermal storage type vacuum tube solar thermal collection system as described in claim 1, it is characterised in that: hot wind collector is collection The manifold trunk of hot heat accumulation vacuum tube solar heating element array output hot wind, there are multiple parallel hot air inlets；Each thermal-arrest storage The hot wind exported in thermal vacuum tube solar heat-collecting device is pooled in collector through hot air inlet, and is exported and exported through thermal-collecting tube.
5. a kind of thermal storage type vacuum tube solar thermal collection system as described in claim 1, it is characterised in that: insulating tube is for cold The installation and heat preservation of wind comb and hot wind collector, are made of pvc pipe and mineral wool；The shell of insulating tube is to be provided with 5cm sipes PVC round tube；Cold wind comb and hot wind collector are connect by pvc pipe slot with heat storage type thermal-collecting tube, and internal filling glass cotton is used for Heat preservation.
6. a kind of thermal storage type vacuum tube solar thermal collection system as described in claim 1, it is characterised in that: bracket is mainly used for Fixed heat-collecting heat-storage vacuum tube solar heating element and insulating tube, comprising: upper girt, lower girt, left side upright bar, the right side Bracket on the right side of edge-on bar, left side pull rod, right side pull rod, spill pedestal, fixed ring, insulating tube left side brackets and insulating tube；Wherein, Circular retainer ring and spill pedestal are for fixing heat-collecting heat-storage evacuated collector tube；Circular retainer ring is the stainless steel of diameter 5.8cm Ring is fixed on girt, and for fixing the upper end of heat-storage type vacuum heat collector tube, spill base recess diameter is 5.8cm, for fixing the low side of heat-collecting heat-storage evacuated collector tube；Bracket is for fixing on the right side of insulating tube left side brackets and insulating tube Insulating tube is curved stainless steel pipe, is fixed in left side upright bar and right side upright bar；Lower girt, left side pull rod, right side pull rod It is respectively placed in the bottom and side of bracket, the fixation and reinforcing for bracket.
7. a kind of thermal storage type vacuum tube solar thermal collection system as described in claim 1, it is characterised in that: connecting tube is for storing up Hot type vacuum heat-collecting tube inlet, outlet and cold wind comb and hot wind collector connection, connecting tube be diameter of bore 12mm PVC Pipe.
CN201820347629.7U 2018-02-05 2018-03-14 A kind of thermal storage type vacuum tube solar thermal collection system Expired - Fee Related CN208312728U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108507189A (en) * 2018-02-05 2018-09-07 楚雄师范学院 A kind of heat-collecting heat-storage formula vacuum pipe solar collecting system
CN110001355A (en) * 2019-05-17 2019-07-12 天津大学 Portable phase-change thermal storage heating plant
CN114739018A (en) * 2022-04-08 2022-07-12 北京立可尔新能源科技有限公司 High-heat-conduction W-shaped vacuum heat-collecting tube solar heat-collecting system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108507189A (en) * 2018-02-05 2018-09-07 楚雄师范学院 A kind of heat-collecting heat-storage formula vacuum pipe solar collecting system
CN110001355A (en) * 2019-05-17 2019-07-12 天津大学 Portable phase-change thermal storage heating plant
CN110001355B (en) * 2019-05-17 2023-12-15 天津大学 Portable phase-change heat storage and supply device
CN114739018A (en) * 2022-04-08 2022-07-12 北京立可尔新能源科技有限公司 High-heat-conduction W-shaped vacuum heat-collecting tube solar heat-collecting system

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