CN104819583A - Solar heat collection system - Google Patents
Solar heat collection system Download PDFInfo
- Publication number
- CN104819583A CN104819583A CN201510208761.0A CN201510208761A CN104819583A CN 104819583 A CN104819583 A CN 104819583A CN 201510208761 A CN201510208761 A CN 201510208761A CN 104819583 A CN104819583 A CN 104819583A
- Authority
- CN
- China
- Prior art keywords
- heat
- thermal
- solar
- tube
- heat pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
Abstract
The invention provides a solar heat collection system. The solar heat collection system comprises a heat collector, a water tank and a loop heat pipe, wherein a condensation end of the loop heat pipe is arranged in the water tank, the heat collector absorbs heat of solar energy, and heats an evaporation end of the loop heat pipe, work fluid at the evaporation end of the loop heat pipe is circulated, and then enters the condensation end of the loop heat pipe, the work fluid emits heat at the condensation end of the loop heat pipe so as to heat water in the water tank, and the work fluid is recycled after completely emitting the heat at the condensation end of the loop heat pipe, and then enters the evaporation end of the loop heat pipe so as to be heated. The solar heat collection system can improve heat utilization ability of the solar energy, and saves energy.
Description
Technical field
The invention belongs to field of solar energy, particularly relate to a kind of solar thermal collection system.
Background technology
Along with the high speed development of modern social economy, the demand of the mankind to the energy is increasing.But the traditional energy storage levels such as coal, oil, natural gas constantly reduce, day by day in short supply, cause rising steadily of price, simultaneously the problem of environmental pollution that causes of conventional fossil fuel is also further serious, and these limit the development of society and the raising of human life quality all greatly.It is the Solar use mode that a kind of energy conversion efficiency and utilization rate are high and with low cost, can extensively promote in the whole society that solar heat transforms.In solar energy heat utilization device, key to convert solar radiant energy to heat energy, and the device realizing this conversion is called solar thermal collector.
Summary of the invention
The present invention aims to provide a kind of heat pipe solar energy water heater of energy-conserving and environment-protective, especially provides a kind of loop heat pipe type solar water heater, improves the ability to work of solar energy.
To achieve these goals, technical scheme of the present invention is as follows: a kind of solar water heater system, comprises heat collector, water tank and loop circuit heat pipe, and the condensation end of loop circuit heat pipe is arranged in water tank; Heat collector absorbs the heat of solar energy, the evaporation ends of reheat loop heat pipe, the working fluid of evaporation ends enters the condensation end of loop circuit heat pipe through circulation, carry out heat release at condensation end, water in heating water tank, working fluid recycles the evaporation ends entering heat pipe and heats after condensation end heat release completes.
As preferably, described heat collector is loop circuit heat pipe evaporation ends, and described heat collector comprises thermal-collecting tube, speculum and collecting plate, is connected between two adjacent thermal-collecting tubes by collecting plate, thus makes to form tube plate structure between multiple thermal-collecting tube and adjacent collecting plate; Between described two pieces of tube plate structures, shape is at a certain angle, and described angle direction is relative with the circular arc line structure of speculum, between the angle that the focus of speculum is formed at tube plate structure; The focus of speculum is positioned on the mid point of two pieces of tube plate structure least significant end lines; Along the extreme higher position at the middle part of tube plate structure on the extreme lower position bearing of trend of both sides, the radius of thermal-collecting tube is increasing.
As preferably, along the extreme higher position at the middle part of tube plate structure on the extreme lower position bearing of trend of both sides, the amplitude that thermal-collecting tube radius increases diminishes gradually.
As preferably, the circular arc line radius of speculum is R, and the length of every block tube plate structure is R1, and the radius of thermal-collecting tube is R2, and on same tube plate structure, the distance in the center of circle of adjacent two thermal-collecting tubes is L, and the angle between two pieces of tube plate structures is a, then meet following formula:
R1/R＝c*sin(a/2)
b，
0.18<R2/L<0.34，
Wherein c, b are coefficient, 0.39<c<0.41,0.020<b<0.035;
0.38<R1/R<0.41，80°<＝A<＝150°，450mm<R1<750mm,1100mm<R<1800mm,
90mm<L<150mm,20mm<＝R2<50mm；
The ratio of wherein maximum in thermal-collecting tube radius and minimum radius is less than or equal to 1.12, and described radius R 2 is the mean radius of adjacent two thermal-collecting tubes.
Compared with prior art, solar water appliance of the present invention has following advantage:
1) by arranging loop circuit heat pipe as heat collector, improve the absorption of solar energy.
2) arranged by caliber change, solar heat-collection plate is absorbed heat evenly, avoids hot-spot.
3) avoid because the solar heat that focal shift causes is lost, increase the absorption dynamics of solar energy, improve absorptivity;
4) the present invention is by test of many times, obtains an optimum solar thermal collector optimum results, and is verified by test, thus demonstrate the accuracy of result.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of loop solar water heater of the present invention;
Fig. 2 is the solar energy system schematic diagram of cascaded structure of the present invention;
Fig. 3 is the solar energy system schematic diagram of parallel-connection structure of the present invention;
Fig. 4 is the heat utilization device of the present invention solar energy system schematic diagram in parallel with pipeline;
Fig. 5 is the structural representation of heat-sink shell of the present invention;
Fig. 6 is the schematic cross-section of solar thermal collector;
Fig. 7 is the cross section structure schematic diagram of solar energy heat collection pipe;
Fig. 8 is the schematic cross-section of solar thermal collector;
Fig. 9 is the schematical top view of thermal-collecting tube;
Figure 10 is another schematic diagram of loop circuit heat pipe solar thermal collector
Reference numeral is as follows:
1 speculum, 2 thermal-collecting tubes, 3 collecting plates, 4 headers; 5 headers, 6 heat collector oral siphons, 7 heat collector outlets, 8 heat collectors; 9 water tanks, 10 electric heaters, 11 boilers, 12 hot water output equipments; 13 radiators, 14 pumps, 15 valves, 16 base tubes; 17 transition zones, 18 infrared reflection coatings, 19 heat absorbing coatings; 20 antireflection coatings, 21 protective layers, 22 loop circuit heat pipes
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Fig. 1 illustrates a kind of solar water heater system of loop heat pipe type, and the condensation end of loop circuit heat pipe 22 is arranged in solar water container 9.Heat collector 8 absorbs the heat of solar energy, the evaporation ends of reheat loop heat pipe 22, and the working fluid of evaporation ends enters the condensation end of loop circuit heat pipe through circulation, carry out heat release, the water in heating water tank 9 at condensation end.After condensation end heat release completes, recycle the evaporation ends entering heat pipe heat.
As preferably, wherein the evaporation ends of loop circuit heat pipe 22 is heat collectors 8.
Heat collector in described Fig. 1 is schematic.The various structures that it may occur to persons skilled in the art that, comprising the heat collector of such as Fig. 6-9 structure, is also described in detail this collector structure later.
A kind of solar water heater system as in Figure 2-4, comprises solar thermal collector and heat utilization device 21 and 22.
As shown in Figure 2, the water in solar water heater water tank 9 heats through loop circuit heat pipe, and successively by assisted heating device, heat utilization device 12, heat utilization device 13, then backwater is circulated again into solar thermal collector 8 under the effect of pump 14, carries out new heating.
Preferably, assisted heating device can be electric heater 10, hot-water boiler 11, the Main Function of electric heater and hot-water boiler is the effect playing auxiliary heating, and such as, when the temperature utilizing the water of solar energy heating not reach predetermined, this to start electric heater and/or hot-water boiler.
Certainly, although Fig. 2 illustrates two kinds of heat utilization device, be actually not limited to two kinds, also can 3 kinds or more than, only one can certainly be set.Assisted heating device only can arrange one equally, such as, only arrange electric heater or hot-water boiler.
As preferably, described heat utilization device is regenerative apparatus.
Fig. 3 illustrates the schematic diagram of heat utilization device 12 and 13 parallel-connection structure.Wherein electric heater 10 and heat utilization device 12 are arranged on a pipeline, electric heater 10 enters the water in heat utilization device 12 for auxiliary heating, and hot-water boiler and heat utilization device 13 are arranged on another pipeline, these described two pipelines are arranged in parallel, and two ends connect hot water outlet and the pump 14 of solar water heater water tank respectively.
Certain above-mentioned setting is also exemplary, the pipeline that those skilled in the art can select increase many in parallel, every bar pipeline arranges heat utilization device, make to be arranged in parallel mutually between heat utilization device, simultaneously for additional heating device, such as hot-water boiler and electric heater, for a person skilled in the art, can select the need of setting as required, or only select to arrange one.
The hydraulic pipeline illustrating heat utilization device and solar energy system in Fig. 4 is arranged in parallel.Wherein with on the inlet pipeline of the heat utilization equipment of the pipeline connection of solar water heater system and outlet pipeline valve 15 is all set, the pipeline of the solar water heater system in parallel with heat utilization equipment between inlet pipeline and outlet pipeline arranges valve 15.By arranging valve, can make when not needing to use heat utilization equipment, the water come on control piper by the valve opened on the pipeline of solar water heater system and the inlet pipeline of closing heat utilization equipment and outlet pipeline all being arranged valve does not carry out heat exchange with heat utilization equipment.
Certainly, be not only heat utilization equipment, additional firing equipment is also arranged in parallel with the hydraulic pipeline of solar energy system, wherein with on the inlet pipeline of the additional firing equipment of the pipeline connection of solar water heater system and outlet pipeline all valve is set, the pipeline of the solar water heater system in parallel with additional firing equipment between inlet pipeline and outlet pipeline arranges valve.By arranging valve, can making when not needing to use additional firing equipment, the inlet pipeline of additional firing equipment and outlet pipeline all can arrange valve and carry out water on control piper without additional firing equipment by opening valve on the pipeline of solar water heater system and closing.
Although the hydraulic pipeline giving all heat utilization equipment, additional firing equipment and solar energy system in Fig. 4 is arranged in parallel, but be not limited to above-mentioned equipment, to those skilled in the art, the hydraulic pipeline of one or more and solar energy system can be only selected to be arranged in parallel.The hydraulic pipeline that such as can enter to arrange wherein one or two heat utilization equipment and solar energy system is arranged in parallel, and the hydraulic pipeline that also only can arrange one or two additional firing equipments and solar energy system is arranged in parallel.
Although be all provided with electric heater 10, hot-water boiler 11 in Fig. 2-4, to those skilled in the art, solar water heater system can optionally arrange above-mentioned parts, such as, can only arrange electric heater or hot-water boiler, also can select neither to arrange.
Another embodiment of heat utilization device is the hot water output equipment providing hot water to user, and described hot water output equipment comprises heat exchanger, and described heat exchanger connects running water, and the hot water from solar water heater enters in heat exchanger, carries out heat exchange with running water;
Described hot water output equipment also comprises electrically heated rod, and when the tap water temperature that hot water input equipment exports is lower than the first temperature, electrically heated rod starts heating, and heats with the first power; When the tap water temperature that hot water input equipment exports is lower than second temperature lower than the first temperature, electrically heated rod heats with the second power higher than the first power; When the tap water temperature that hot water input equipment exports is lower than three temperature lower than the second temperature, electrically heated rod heats with the 3rd power higher than the second power; When the tap water temperature that hot water input equipment exports is lower than four temperature lower than the 3rd temperature, electrically heated rod heats with the 4th power higher than the 3rd power; When the tap water temperature that hot water input equipment exports is lower than five temperature lower than the 4th temperature, electrically heated rod heats with the 5th power higher than the 4th power.
In heat exchanger, running water and directly do not mix from the water in solar water heater carry out heat exchange, namely carry out heat exchange by mode indirectly.
Described electric heating system and/or hot water boiler system also comprise control system, and electric heating system and/or hot water boiler system start automatically according to the temperature of the water entering electric heater and hot-water boiler, heat hot water.Be described for electric heater below.
Described control system comprises temperature sensor and the central controller of measuring tempeature, and temperature sensor is for measuring the temperature of the water entering electric heater, and central controller is for controlling the heating power of electric heater.When the inflow temperature measured is lower than temperature a, electric heater starts heating, and heats with power A; When the inflow temperature of thermal measurement is lower than the temperature b lower than temperature a, electric heater heats with the power B higher than power A; When the inflow temperature measured is lower than the temperature c lower than temperature b, electric heater heats with the power C higher than power B; When the inflow temperature measured is lower than the temperature d lower than temperature c, electric heater heats with the power D higher than power C; When the inflow temperature measured is lower than the temperature e lower than temperature d, electric heater heats with the power E higher than power D.
Certainly, it is an option that the accuracy in order to increase measuring tempeature, another temperature sensor can be set at the water outlet of electric heater, be calculated the starting power of electric heater by the mean value of the temperature of the measurement of two temperature sensors.
For boiler, automatic ignition device is set.When measure the temperature entering the water of boiler lower than certain temperature time, boiler heats with regard to starting ignition device.When the temperature of the water measured reaches certain temperature time, then heat with regard to stopping.
Certainly, it is an option that the accuracy in order to increase measuring tempeature, another temperature sensor can be set at the water outlet of boiler, be calculated the starting power of electric heater by the mean value of the temperature of the measurement of two temperature sensors.
Preferably, electric heater unit can be set in water tank 9, when the leaving water temperature of water tank 9 is lower than certain numerical value, can electric heater unit be started.
For the situation shown in Fig. 4, can by arranging control system, described control system controls to enter the fluid flow in heat utilization device and/or assisted heating device according to temperature.Such as, for radiator, the flow of the fluid entered in radiator can be determined according to the temperature of indoor, when indoor temperature is higher than the first certain numerical value, then the valve in inlet pipeline and outlet pipeline is closed completely, pipeline on solar water heater system is opened completely, fluid is inflow radiator not, when indoor temperature is lower than certain second value, then the valve in inlet pipeline and outlet pipeline is opened completely, pipeline on solar water heater system is closed completely, ensure that the water on the pipeline on solar water heater system enters radiator completely.When indoor temperature is between the first numerical value and second value, then the valve in inlet pipeline and outlet pipeline is partially opened, the pipeline portions on solar water heater system is opened, ensure that only some fluid enters radiator.
For thermal output equipment, the temperature of the water that can export according to thermal output equipment determines the flow of the fluid entered in thermal output equipment, when the temperature of the water of thermal output equipment output is higher than the first certain numerical value, then the valve in inlet pipeline and outlet pipeline is closed completely, pipeline on solar water heater system is opened completely, fluid does not flow into thermal output equipment, when the temperature of the water of thermal output equipment output is lower than certain second value, then the valve in inlet pipeline and outlet pipeline is opened completely, pipeline on solar water heater system is closed completely, ensure that the water on the pipeline on solar water heater system enters thermal output equipment completely.When the temperature of the water exported is between the first numerical value and second value, then the valve in inlet pipeline and outlet pipeline is partially opened, the pipeline portions on solar water heater system is opened, ensure that only some fluid enters thermal output equipment.
For ancillary heating equipment, the flow of the fluid entered in ancillary heating equipment can be determined according to the temperature of the water entering ancillary heating equipment, when entering the temperature of water of ancillary heating equipment higher than the first certain numerical value, then the valve in inlet pipeline and outlet pipeline is closed completely, pipeline on solar water heater system is opened completely, fluid does not flow into ancillary heating equipment, when entering the temperature of ancillary heating equipment water lower than certain second value, then the valve in inlet pipeline and outlet pipeline is opened completely, pipeline on solar water heater system is closed completely, ensure that the water on the pipeline on solar water heater system enters ancillary heating equipment completely.When the temperature of water entering ancillary heating equipment is between the first numerical value and second value, then the valve in inlet pipeline and outlet pipeline is partially opened, pipeline portions on solar water heater system is opened, ensures that only some fluid enters ancillary heating equipment.
Described collector structure as shown in Figure 6, comprises thermal-collecting tube 2, speculum 1 and collecting plate 3, is connected between two adjacent thermal-collecting tubes 2 by collecting plate 3, thus makes to form tube plate structure between multiple thermal-collecting tube 2 and adjacent collecting plate 3; Described solar energy collector system comprises two pieces of tube plate structures, shape a at a certain angle between described two pieces of tube plate structures, as shown in Figure 7, described angle direction is relative with the direction of the circular arc line structural bending of speculum, between the angle a that the focus D of speculum 1 is formed at tube plate structure.
Traditional heat collector is all be set directly in focus by thermal-collecting tube, once position offsets, then heat would not thermal-arrest in thermal-collecting tube, pass through said structure, sunlight, at speculum 1, reflexes to tube plate structure by speculum 1, by heat thermal-arrest in the thermal-collecting tube 2 in tube plate structure.By this structure, even if because to install or operation problem causes tube plate structure position to change, then solar energy still can thermal-arrest in thermal-collecting tube 2, thus avoid thermal loss; Simultaneously because traditional heat collector is all be set directly in focus by thermal-collecting tube, cause thermal-collecting tube hot-spot, cause thermal-collecting tube local losses excessive, life-span is too short, even cause thermal-collecting tube over-heat inside, produce superheated steam, be full of whole thermal-collecting tube, cause thermal-collecting tube internal pressure excessive, damage thermal-collecting tube, and take the structure of the application, both heat can be absorbed fully, and can, by dispersion relative for heat, avoid heat too concentrated again, make overall thermal-collecting tube absorb heat evenly, extend the service life of thermal-collecting tube.
As one preferably, the focus D of speculum 1 is positioned on the mid point of two pieces of tube plate structure least significant end lines.By above-mentioned setting, can ensure to absorb solar energy to the full extent, avoid solar energy to lose because of focal shift, can also ensure that platy structure may reduce the sunlight of irradiation on speculum 1 blocked simultaneously as far as possible.Prove by experiment, adopt said structure, the effect of solar absorption is best.
Find in practice, the caliber of thermal-collecting tube 2 can not be excessive, if caliber is excessive, water then in thermal-collecting tube 2 can not heat fully, cause heating effect very poor, otherwise caliber is too small, water then in thermal-collecting tube can be overheated, in like manner, distance between thermal-collecting tube 2 is also met the demands, if the distance between thermal-collecting tube 2 is excessive, the volume of the water then in thermal-collecting tube 2 is too small, water can be caused overheated, equally, if the distance between thermal-collecting tube 2 is too small, then thermal-collecting tube distribution is too close, cause the problem that the water in thermal-collecting tube 2 cannot reach predetermined, or more extra auxiliary heating instrument must be needed, for the length of tube plate structure, also meet certain requirements, if tube plate structure is oversize, then can shelter from the too much sunlight being irradiated to speculum 1, the heat causing heat collector to absorb sunlight reduces, cause and reach desirable heating state, if the length of tube plate structure is too small, then causes too much solar energy heating on the thermal-collecting tube of small size, cause thermal-collecting tube to be heated concentrated, but also the solar energy of a part of thermal-arrest can be caused directly not have thermal-arrest in thermal-collecting tube, but directly reflex to outside, for angle a, same principle, if angle is excessive, then portion launches excessive to area on the mirror, then can shelter from the too much sunlight being irradiated to speculum 1, if angle area is too small, then the solar energy that there will be a part of thermal-arrest does not directly have thermal-arrest in thermal-collecting tube, but directly reflex to outside, cause the loss of heat.Therefore following relation is met for the angle between the distance between the length of tube plate structure, thermal-collecting tube internal diameter, thermal-collecting tube, tube plate structure, circular arc line radius:
The circular arc line radius of speculum is R, and the length of every block tube plate structure is R1, and the radius of thermal-collecting tube is R2, and on same tube plate structure, the distance in the center of circle of Neighbor Set heat pipe is L, and the angle between two pieces of tube sheets is a, then meet following formula:
R1/R＝c*sin(a/2)
b，
0.18<R2/L<0.34，
Wherein c, b are coefficient, 0.39<c<0.41,0.020<b<0.035;
0.38<R1/R<0.41，80°<＝A<＝150°，450mm<R1<750mm,1100mm<R<1800mm,
90mm<L<150mm,20mm<＝R2<50mm。
As preferably, c=0.4002, b=0.0275.
As preferably, along with the increase of angle a, the coefficient of c, b becomes large gradually.So more meet the needs of real work.
As preferably, the radius R 2 of thermal-collecting tube is not identical.Along the middle part (i.e. extreme higher position) of tube plate structure on both sides extreme lower position (namely Fig. 8 thermal-collecting tube A is to B, C direction) bearing of trend, the radius R 2 of thermal-collecting tube is increasing.Find in an experiment, extend from middle part to both sides, caloric receptivity raises gradually, being because there is the stop of tube plate structure, causing middle part to be heated minimum, and extending from middle part to both sides, absorbing heat and raise gradually by analyzing main cause.Large by the continuous change of thermal-collecting tube radius R 2, the discharge of bottom can be increased, being heated evenly of water in whole thermal-collecting tube can be made, avoid that both sides temperature is too high and medium temperature is too low.The material of middle thermal-collecting tube so also can be avoided at high temperature easily to damage, the homogeneous temperature of whole thermal-collecting tube can be kept, increase the service life.
As preferably, along the middle part (i.e. extreme higher position) of tube plate structure on both sides extreme lower position (namely Fig. 3 thermal-collecting tube A is to B, C direction) bearing of trend, the amplitude that thermal-collecting tube radius increases diminishes gradually.Find in an experiment, for caloric receptivity, successively decreasing gradually to the amplification on both sides extreme lower position (namely Fig. 3 thermal-collecting tube A is to B, C direction) bearing of trend in middle part (i.e. extreme higher position) along tube plate structure, therefore caliber has been done change like this, to meet corresponding requirement.
As preferably, the caliber R2 in formula is above the average caliber of adjacent two thermal-collecting tubes.
As preferably, the ratio of maximum caliber and minimum caliber is less than 1.12.
As preferably, the lower wall surface (face relative with speculum 1) of tube plate structure is arranged the projection being used for augmentation of heat transfer, to strengthen the absorption to solar energy.Along the middle part (i.e. extreme higher position) of tube plate structure on both sides extreme lower position (namely Fig. 7 thermal-collecting tube A is to B, C direction) bearing of trend, the height of projection of the lower wall surface of thermal-collecting tube is more and more higher.Find in an experiment, extend from middle part to both sides, caloric receptivity raises gradually, being because there is the stop of tube plate structure, causing middle part to be heated minimum, and extending from middle part to both sides, absorbing heat and raise gradually by analyzing main cause.By the continuous rising of height of projection, being heated evenly of water in whole thermal-collecting tube can be made, avoid that both sides temperature is too high and medium temperature is too low.The material of middle thermal-collecting tube so also can be avoided at high temperature easily to damage, the homogeneous temperature of whole thermal-collecting tube can be kept, increase the service life.
As preferably, extend along the link position (i.e. the middle part of tube plate structure) of two pieces of tube plate structures to both sides (namely Fig. 7 thermal-collecting tube A is to B, C direction), the density of protrusions of the lower wall surface of thermal-collecting tube is more and more higher.Main cause is heated minimum in the middle part of being, and extends from middle part to both sides, absorbs heat and raises gradually.By the continuous rising of density of protrusions, being heated evenly of water in whole thermal-collecting tube can be made, avoid that medium temperature is too low and both sides temperature is too high.The material of middle thermal-collecting tube so also can be avoided at high temperature easily to damage, the homogeneous temperature of whole thermal-collecting tube can be kept, increase the service life.
As preferably, the inwall of thermal-collecting tube 2 can arrange fin, such as straight fins or helical fin can be set, the interior fin height of different thermal-collecting tube is different, extend along the link position (i.e. the middle part of tube plate structure) of two pieces of tube plate structures to both sides (namely thermal-collecting tube A is to B, C direction), the height of fin reduces gradually.Main cause is identical with arranging protruding reason above.
Tube plate structure surface application heat-sink shell, described heat-sink shell outwards comprises transition zone 17, infrared reflection coating 18, heat absorbing coating 19, antireflection coatings 20 and protective layer 21 successively in tube plate structure, wherein transition zone, infrared reflection coating, heat absorbing coating, antireflection coatings and protective layer thickness be 0.03um, 0.23um, 0.77um, 0.15um, 0.12um respectively; Described transition zone is the transition zone of the compound by MF reactive magnetron sputtering method plated metal Al, Si and N formation; Described infrared reflection coating is from inside to outside W, Cr, Ag tri-layers, and the thickness proportion of three layers is 9:4:7; Heat absorbing coating from inside to outside comprises Cr, Nb, Zr, NbN, Cr successively
2o
3five layers, the thickness proportion of three layers is 9:7:4:4:5; Antireflection coatings is from inside to outside AlN, TiO successively
2, Nb
2o
5, Al
2o
3, and Si
3n
4five layers, wherein the thickness proportion of five layers is 3:6:8:9:2; The composition of protective layer is identical with transition zone.
In above-mentioned each layer, by strengthening the thickness proportion of heat absorbing coating, reduce the thickness of infrared reflecting layer and antireflection layer, the absorption to solar energy can be significantly increased, simultaneously, by adjusting the thickness proportion of the material of each layer of infrared reflecting layer and antireflection layer, also can realize reducing the degree to the reflection of sunshine.
Above-mentioned dimension scale is tested the result of the best got.By experiment, for the composition and the thickness that adopt each independent stratum in above-mentioned absorber coatings, the absorptance of the absorber coatings of preparation can be made to be greater than 0.945, and to realize the low-launch-rate of less than 0.042.
For the manufacture method of above-mentioned coating, the vacuum magnetron sputtering coating film technique preparation that this area can be used often to adopt.
For the concrete structure of heat collector, shown in Figure 10, described heat collector comprises header 4,5, and thermal-collecting tube 2 connects two headers 4,5.Certainly, the shape of header should as shown in Figure 7, and at an angle at middle part, corresponding with the thermal-collecting tube in Fig. 7, Fig. 9 does not show, is only schematic diagram.Described header 4 is arranged in heat collector oral siphon 5, header 5 and heater outlet pipe 6 is set.As preferably, heat collector oral siphon 5 and heat collector outlet pipe 6 are arranged on the highest position of top A, can ensure that water in header is from the flowing of top lower portion, ensures the uniform distribution of water like this.Otherwise the moisture dosage in upper-part centralized heat pipe very little, causes hot-spot.
As preferably, only arrange heat-sink shell in the bottom of tube plate structure, for the top of tube sheet mechanism, arrange solar panel, like this, can realize a part of heat being used for generating, a part of heat is used for heating, realizes the dual needs adding heat and generating power.
As preferably, the material of the thermal-collecting tube of heat collector is albronze, and the mass percent of the component of described albronze is as follows: 3.9%Cr, 3.6%Ag, 2.6%Mn, 3.25%Zr, 2.3%Ce, 1.5%Ti, 2.36%Si, all the other are Cu, Al, and the ratio of Cu, Al is 3.23:2.18.
The manufacture method of albronze is: adopt vacuum metallurgy melting, and argon for protecting pouring becomes circle base, through 800 DEG C of Homogenization Treatments, at 630 DEG C, adopts and is hot extruded into bar, and then after 556 DEG C of solution hardening, carry out artificial aging process at 220 DEG C.The tensile strength of alloy: room temperature >=540MPa, 200 DEG C >=420MPa, 300 DEG C >=-250MPa.
After tested, above-mentioned alloy has very high thermal conductivity factor and heat resistance.
As preferably, described water tank 9 outer setting heat-insulation layer, described heat-insulation layer comprises vacuum thermal insulation plate, and described vacuum thermal insulation plate comprises core and high-gas resistance composite membrane, by the coated core of mode high-gas resistance composite membrane vacuumized, form vacuum thermal insulation plate.From the direction that tank outer wall facing epitaxy is stretched, described core at least comprises multilayer inorganic fibre mat, described multilayer inorganic fibre mat is multiple-level stack or is connected by binding agent multilayer, the density of at least two-layer inorganic fibre mat in described multilayer inorganic fibre mat or composition difference.
As preferably, wherein core comprises the internal layer district of the close water tank wall portion covering inorganic fibre mat surface and/or is positioned at the outer layer zone of inorganic fibre mat outside.
As preferably, internal layer district and/or outer layer zone are made up of one or more in aluminosilicate fiberboard, centrifugally glass-wool plate, rock cotton board, textile fabric plate, waste paper pulpboard.
As preferably, the number of plies of inorganic fibre mat is 30-130 layer.More preferably 50-80 layer.
As preferably, the density of inorfil is 10-300kg/m
3.
As preferably, the density of the inorganic fibre mat that arbitrary neighborhood is two-layer or composition are not identical.
As preferably, along inside outward, the density of inorganic fibre mat increases.Prove by experiment, it is better that density increases brought effect of heat insulation successively, can reach the effect of heat insulation comparatively optimized, can improve the effect of heat insulation of about 10%.
As preferably, along inside outward, the amplitude that the density of inorganic fibre mat increases successively is more and more less.Prove by experiment, more and more less the brought effect of heat insulation of increasing degree is better successively for the density of inorganic fibre mat, can reach more excellent effect of heat insulation.
As preferably, the layer that its Midst density is large and the little layer of density are alternately placed.Prove by experiment, it is fine that this kind places effect of heat insulation, can improve the effect of heat insulation of more than 7.3%.As preferably, the density of the layer that density is large is 100-300kg/m
3, the density that density is little is 10-100kg/m
3, select the insulation effect that the density under this condition can reach more excellent.
As preferably, superfine glass cotton fiber plate, bulk density is 10kg/m
3-100kg/m
3, thickness is 1mm-9mm.
Aluminosilicate fiberboard bulk density is 20kg/m
3-200kg/m
3, preferred 50-100m
3, thickness is 1mm-9mm.
Centrifugally glass-wool plate bulk density is 20kg/m
3-150kg/m
3, preferred 50-100m
3, thickness is 2mm-25mm.
Rock cotton board bulk density is 30kg/m3-200kg/m
3, preferred 70-130m
3, thickness is 3mm-35mm.
As preferably, described inorganic fibre mat is microglass fiber plate, two or morely in aluminosilicate fiberboard, centrifugally glass-wool plate, rock cotton board, secondary stock, textile fabric plate be arranged alternately.
Be exemplified below:
With thickness 1mm aluminosilicate fiberboard (30kg/m
3) and thickness 3mm aluminosilicate fiberboard (50kg/m
3) be stacked alternately until 1.2cm, obtain core material of vacuum heat insulation plate.
Or with thickness 1mm aluminosilicate fiberboard (100kg/m
3) and thickness 2mm ceramic beaverboard (70kg/m
3) be stacked alternately until 1.5cm, obtain core material of vacuum heat insulation plate.
Or be stacked alternately until 2cm with thickness 1mm aluminosilicate fiberboard and 2mm ceramic beaverboard and 2mm centrifugally glass-wool plate, obtain core material of vacuum heat insulation plate.
Or with 1mm aluminosilicate fiberboard and 3mm ceramic beaverboard, 2mm rock cotton board is stacked alternately until 3cm, obtains core material of vacuum heat insulation plate.
Or with 1mm aluminosilicate fiberboard and 3mm ceramic beaverboard, 3mm centrifugally glass-wool plate, 3mm rock cotton board is stacked alternately until 3cm, obtains core material of vacuum heat insulation plate.
Although the present invention discloses as above with preferred embodiment, the present invention is not defined in this.Any those skilled in the art, without departing from the spirit and scope of the present invention, all can make various changes or modifications, and therefore protection scope of the present invention should be as the criterion with claim limited range.
Claims (3)
1. a solar thermal collection system, comprises heat collector, water tank and loop circuit heat pipe, and the condensation end of loop circuit heat pipe is arranged in water tank; Heat collector absorbs the heat of solar energy, the evaporation ends of reheat loop heat pipe, the working fluid of evaporation ends enters the condensation end of loop circuit heat pipe through circulation, carry out heat release at condensation end, water in heating water tank, working fluid recycles the evaporation ends entering heat pipe and heats after condensation end heat release completes.
2. solar thermal collection system as claimed in claim 1, described heat collector is loop circuit heat pipe evaporation ends, described heat collector comprises thermal-collecting tube, speculum and collecting plate, connected by collecting plate between two adjacent thermal-collecting tubes, thus make to form tube plate structure between multiple thermal-collecting tube and adjacent collecting plate; Between described two pieces of tube plate structures, shape is at a certain angle, and described angle direction is relative with the circular arc line structure of speculum, between the angle that the focus of speculum is formed at tube plate structure; The focus of speculum is positioned on the mid point of two pieces of tube plate structure least significant end lines; Along the extreme higher position at the middle part of tube plate structure on the extreme lower position bearing of trend of both sides, the radius of thermal-collecting tube is increasing.
3. solar thermal collection system as claimed in claim 2, along the extreme higher position at the middle part of tube plate structure on the extreme lower position bearing of trend of both sides, the amplitude that thermal-collecting tube radius increases diminishes gradually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510208761.0A CN104819583B (en) | 2015-04-28 | 2015-04-28 | A kind of solar thermal collection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510208761.0A CN104819583B (en) | 2015-04-28 | 2015-04-28 | A kind of solar thermal collection system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104819583A true CN104819583A (en) | 2015-08-05 |
| CN104819583B CN104819583B (en) | 2016-04-20 |
Family
ID=53729961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510208761.0A Expired - Fee Related CN104819583B (en) | 2015-04-28 | 2015-04-28 | A kind of solar thermal collection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104819583B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120852A (en) * | 2016-01-12 | 2017-09-01 | 山东理工大学 | The solar heat-preservation system that multisensor is automatically controlled |
| CN109506375A (en) * | 2018-04-23 | 2019-03-22 | 青岛宝润科技有限公司 | A kind of trough type solar heat-collector |
| CN109506374A (en) * | 2018-04-23 | 2019-03-22 | 青岛宝润科技有限公司 | A kind of hot pipe type solar heat collector |
| CN110285587A (en) * | 2019-06-25 | 2019-09-27 | 山东建筑大学 | A kind of solar steam system |
| CN110285588A (en) * | 2019-06-25 | 2019-09-27 | 山东建筑大学 | A kind of solar energy heat collector |
| CN112033021A (en) * | 2019-03-14 | 2020-12-04 | 山东大学 | Solar thermal collector collecting and measuring unit and solar thermal collector system |
| CN112344570A (en) * | 2019-03-14 | 2021-02-09 | 山东大学 | Heat collector evaporation end and solar heat collector |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1412501A (en) * | 2002-12-12 | 2003-04-23 | 杨家华 | Optitherm centralized heat-supplying system |
| CN1760602A (en) * | 2004-10-13 | 2006-04-19 | 黄永年 | Heat collection device of solar energy |
| CN201772644U (en) * | 2010-08-24 | 2011-03-23 | 周长春 | Heat collector |
| CN102538243A (en) * | 2012-03-12 | 2012-07-04 | 中南大学 | Flat-plate type solar water heater device |
| CN104075463A (en) * | 2014-07-17 | 2014-10-01 | 杭州金培科技有限公司 | Arc tube plate type solar thermal collector system |
-
2015
- 2015-04-28 CN CN201510208761.0A patent/CN104819583B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1412501A (en) * | 2002-12-12 | 2003-04-23 | 杨家华 | Optitherm centralized heat-supplying system |
| CN1760602A (en) * | 2004-10-13 | 2006-04-19 | 黄永年 | Heat collection device of solar energy |
| CN201772644U (en) * | 2010-08-24 | 2011-03-23 | 周长春 | Heat collector |
| CN102538243A (en) * | 2012-03-12 | 2012-07-04 | 中南大学 | Flat-plate type solar water heater device |
| CN104075463A (en) * | 2014-07-17 | 2014-10-01 | 杭州金培科技有限公司 | Arc tube plate type solar thermal collector system |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120852A (en) * | 2016-01-12 | 2017-09-01 | 山东理工大学 | The solar heat-preservation system that multisensor is automatically controlled |
| CN110657411A (en) * | 2018-04-23 | 2020-01-07 | 青岛宝润科技有限公司 | Heat pipe type solar heat collector with variable pipe diameter in flow direction |
| CN109506374A (en) * | 2018-04-23 | 2019-03-22 | 青岛宝润科技有限公司 | A kind of hot pipe type solar heat collector |
| CN110608427B (en) * | 2018-04-23 | 2022-08-19 | 深圳思瓦科技有限公司 | Solar energy system for intelligently controlling fluid flow |
| CN110671687B (en) * | 2018-04-23 | 2022-05-17 | 青岛宝润科技有限公司 | Heat pipe type solar heat collector with communication pipe distribution change |
| CN110608427A (en) * | 2018-04-23 | 2019-12-24 | 青岛宝润科技有限公司 | Solar energy system for intelligently controlling fluid flow |
| CN110671687A (en) * | 2018-04-23 | 2020-01-10 | 青岛宝润科技有限公司 | Heat pipe type solar heat collector with communication pipe distribution change |
| CN109506374B (en) * | 2018-04-23 | 2020-02-11 | 青岛宝润科技有限公司 | Heat pipe type solar heat collector |
| CN110657411B (en) * | 2018-04-23 | 2022-05-17 | 青岛宝润科技有限公司 | Heat pipe type solar heat collector with variable pipe diameter in flow direction |
| CN109506375A (en) * | 2018-04-23 | 2019-03-22 | 青岛宝润科技有限公司 | A kind of trough type solar heat-collector |
| CN112033021B (en) * | 2019-03-14 | 2021-08-20 | 山东大学 | Solar thermal collector collecting and measuring unit and solar thermal collector system |
| CN112344570B (en) * | 2019-03-14 | 2022-01-28 | 山东大学 | Heat collector evaporation end and solar heat collector |
| CN112033021A (en) * | 2019-03-14 | 2020-12-04 | 山东大学 | Solar thermal collector collecting and measuring unit and solar thermal collector system |
| CN112344570A (en) * | 2019-03-14 | 2021-02-09 | 山东大学 | Heat collector evaporation end and solar heat collector |
| CN111380234A (en) * | 2019-06-25 | 2020-07-07 | 山东建筑大学 | Solar steam device with variable pipe diameter of heat release pipe group |
| CN111380234B (en) * | 2019-06-25 | 2021-03-23 | 山东建筑大学 | Solar steam device with variable pipe diameter of heat release pipe group |
| CN111380233B (en) * | 2019-06-25 | 2021-03-09 | 山东建筑大学 | Solar steam device with mirror symmetry arranged heat release pipe group |
| CN111380233A (en) * | 2019-06-25 | 2020-07-07 | 山东建筑大学 | Solar steam device with mirror symmetry arranged heat release pipe group |
| CN110285587B (en) * | 2019-06-25 | 2020-07-03 | 山东建筑大学 | Solar steam system |
| CN110285588A (en) * | 2019-06-25 | 2019-09-27 | 山东建筑大学 | A kind of solar energy heat collector |
| CN110285587A (en) * | 2019-06-25 | 2019-09-27 | 山东建筑大学 | A kind of solar steam system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104819583B (en) | 2016-04-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104819579B (en) | A kind of solar heat-preservation system | |
| CN104819583B (en) | A kind of solar thermal collection system | |
| CN106016787B (en) | A kind of solar energy system for controlling to enter storage heater water temperature | |
| CN105737399B (en) | A kind of loop circuit heat pipe solar heat-preservation system | |
| CN104713250B (en) | A kind of arc tube plate-type solar thermal collector system | |
| CN104633960B (en) | The loop circuit heat pipe solar energy system of thermal-collecting tube inner fin height change | |
| CN104728913B (en) | A kind of solar energy heat distribution system controlled based on cloud computing intelligent | |
| CN104748412B (en) | A kind of cloud server that utilizes carries out the heating system monitored | |
| CN105650890B (en) | A kind of solar heat-preservation system of setting electric heater | |
| CN104697194A (en) | Cloud computing controlled intelligent solar descaling system | |
| CN105650896B (en) | A kind of solar water output system | |
| CN105650891B (en) | A kind of solar heat-preservation system of heat-insulating shield insulation | |
| CN105650904B (en) | A kind of solar energy system | |
| CN104764226B (en) | A kind of loop circuit heat pipe solar energy collector system | |
| CN104729117B (en) | A kind of solar energy collector system of thermally equivalent | |
| CN104764222B (en) | A kind of solar thermal collector and system thereof that augmentation of heat transfer structure is set | |
| CN104833107A (en) | Cloud computing solar system of intelligent starting auxiliary heating equipment | |
| CN104676725A (en) | Intelligent solar information system controlled by cloud computing | |
| CN104729118A (en) | Cloud control solar heating system with heat information control function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Guo Chunsheng Inventor after: Liu Yong Inventor after: Cao Guihong Inventor after: Zheng Canlun Inventor before: Guo Chunsheng Inventor before: Liu Yong Inventor before: Cao Guihong |
|
| COR | Change of bibliographic data | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 Termination date: 20190428 |