CN102331096A - Solar water heating system with ceramic sun panel operated and controlled by single water pump - Google Patents
Solar water heating system with ceramic sun panel operated and controlled by single water pump Download PDFInfo
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- CN102331096A CN102331096A CN 201110212617 CN201110212617A CN102331096A CN 102331096 A CN102331096 A CN 102331096A CN 201110212617 CN201110212617 CN 201110212617 CN 201110212617 A CN201110212617 A CN 201110212617A CN 102331096 A CN102331096 A CN 102331096A
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Abstract
The invention discloses a solar water heating system with a ceramic sun panel operated and controlled by single water pump. The system consists of a ceramic solar heat collector, a lower circulation pipe, a water pump, a temperature-conservation heat storage water tank, an upper circulation pipe, inlet and outlet air pipes, a heat collector temperature sensor, a water tank temperature sensor and a controller; the circulation system of the solar water heating system of the ceramic sun panel is not provided with any valve so as to ensure the water channels and gas channels to be unimpeded under any condition; and the outlets of the inlet and outlet air pipes are 0.5-2 meters higher than an upper collection pipe. When the temperature in the ceramic solar heat collector reaches the set temperature delta A, the controller orders the water pump to be started, and when the temperature in the ceramic solar heat collector reaches the set temperature delta B, the water pump stops working, the ceramic solar water heating system can not be frozen to be cracked under any condition, the problem of great heat loss in hot water can not happen, and the system has a simple structure and low cost.
Description
Technical field
The present invention relates to solar water heating system, relate to the control of solar water heating system, the ceramic solar plate and solar hot-water heating system of particularly controlling with single water pump.
Background technology
The solar energy utilization comprises solar photovoltaic utilization and solar thermal utilization; Solar photovoltaic utilization mainly refers to solar cell; Solar thermal utilization mainly refers to concentration solar generating device and solar thermal collector; Most widely used solar thermal collector is a solar water heater, and key issue is the control of solar energy heating body and solar water heating system.China mainly adopts vacuum glass tube solar heat-collecting body, the external main copper pipe plate-type solar heat collection body that adopts.The new type solar collecting body is a black ceramic composite ceramic solar panel, and black ceramic composite ceramic solar panel is the hollow ceramic sheet material that import and export are arranged, and is called for short ceramic solar plate.
Solar energy is the face energy, and all verified most effective solar energy heating body of theory and practice is the flat box type solar energy heating body of through hole, and the hollow sheet material of import and export is just arranged; In this heat collection body, be covered with medium to be heated below the sunlight absorbing surface, heat exchange is the most directly, rapidly; Heat conduction distance is the shortest, but the main in the past copper material that adopts, and this heat collection body need use a large amount of copper materials; Copper material is very expensive, and weld seam is very long, and manufacturing process is complicated; Manufacturing cost is very high, is difficult to large-scale production and use, so produced ceramic solar plate.
The major defect of glass tube with vacuum is: glass tube with vacuum is made up of outer glass pipe in coaxial, and end sealing vacuumizes between the inner and outer pipes, and outer tube is transparent, and inner tube outer surface covers solar energy absorbing paint.Owing to must adopt vacuum layer, sealing ring, dust ring, tail holder; It is about 60% to make black sunlight absorbing surface only account for the daylighting projected area, and during noon sunlight direct projection, part sunlight passes the neutral gear between the black side; Do not obtain utilizing, reduced collecting efficiency in the period at noon that sunlight is the strongest; Vacuum in use constantly descends, and reduces heat insulation effect; The blind pipe structure of a sealing precipitates the impurity in scale and the water easily, reduces heat exchange area; The sunlight absorption rate of solar energy absorbing paint decays easily, and this is present solar water heater solar energy absorbing paint or the drawback that is called solar absorbing film; Glass tube is used the Pyrex manufacturing, 1650 ℃ of glass melting temperatures, and melting time number hour, it is high to make energy consumption, and the boron oxide price is high; These shortcomings cause that the glass tube with vacuum manufacturing cost is high, to make energy consuming ratio higher, and the life-span is shorter, general Acceptable life 7-8.
The major defect of copper pipe plate-type solar heat collection body is: the sunlight absorption rate of solar energy absorbing paint decays easily; Copper material is very expensive, needs electrorefining, and manufacturing cost is high, power consumption is very high; Thermal-arrest copper pipe lateral separation is big, and the heat conduction distance influences efficient; Weld seam corrodes easily; General Acceptable life 7-10.
Solar thermal collector can provide hot water, hot blast; Hot water, hot blast can be used for washing, warming, summer air-conditioning; With reference to the mode of geothermal water generating, a large amount of cheap high-temperature-hot-waters can also carry out the low cost generating in addition, replace conventional energy resource, protection environment.But existing solar thermal collector manufacturing cost is high, Acceptable life is short; Make the use cost of solar energy be higher than conventional energy resource far away; Seriously restricted the development of solar thermal collector, solar thermal collector must be realized and architecture-integral, could obtain bigger development space; Existing solar thermal collector receives the restriction of its solar energy heating body material and structure, be difficult to realization and architecture-integral, with the building the same life-span.The core component of solar thermal collector is the solar energy heating body, and ceramic solar plate is a kind of brand-new low cost, long-life, high efficiency solar energy heating body.
One ton of Pyrex or metal material, the thousands of units of cost to tens thousand of units, material becomes goods also need pass through complicated process.One ton of ceramic is generally this hundreds of units like one ton of ceramic wall and floor bricks, and ceramic material is with low cost to be because raw material sources are extensive, generally gathers materials on the spot, and freight charges are low; Reserves are big, and price is low; Do not need ore dressing, enrichment; Once sintered after the moulding, be goods; Shrink to some extent during sintering, but do not change shape, do not have process behind the sintering; Sintering temperature is low, the time is short, and about 1200 ℃ of general thin-walled ceramic sintering temperature is lasted a few minutes to tens minute; And founding or the smelting of metal material of glass, lasts several hours by typical temperature 1650-1800 ℃; Processes such as raw material must be through fusing, flow, homogenizing, reaction, clarification, in general, 100 ℃ of the every raisings of temperature; Energy consumption increases by 1 times, and the price of equipment and refractory material, consumption simultaneously also significantly improves, and the energy consumption of electrolysis is farther greater than smelting.So, ceramic post sintering and glass found or smelting, the electrolysis of metal material have essential distinction, energy consumption and cost all differ 10 times to 100 times.Pottery is one of at present known engineering material that cost is minimum, service life is the longest, performance is the most stable.
Ceramic material intensity is big, hardness is high, burn into is not aging, physicochemical property is highly stable, and service life is very long, can reach more than hundreds of years.The black porcelain material has the ceramic general character, and sunlight absorption rate is high, and sunlight absorption rate can not decay.
Black ceramic composite ceramic solar panel had appearred thus in recent years; The matrix of black ceramic composite ceramic solar panel is a conventional ceramic; Superficial layer is black porcelain; Be that its matrix is the ceramic hollow sheeting made from the conventional ceramic raw material, superficial layer is the composite ceramics hollow solar heat-collection plate of black, coarse, the black porcelain that is covered with small hole.
The core of new forms of energy is to use cost, comprises energy cost, monetary cost, Environmental costs, and the new forms of energy that have only use cost to be lower than conventional energy resource just possibly become extensive alternative energy source.
Ceramic solar plate is to be matrix with the conventional ceramic, and solid netted vanadium-titanium black ceramic is the flat box type solar energy heating body of the hollow and thin-walled of superficial layer, has obtained invention patent certificate.The conventional ceramic that no whiteness requires is that known cost is minimum, one of longest-lived, engineering material that performance is the most stable; With the vanadium-titanium black ceramic of trade waste manufacturing be that cost is minimum, longest-lived, solar absorptive material that performance is the most stable; Detect through national solar water heater quality supervision and test center; The sunlight absorptance 0.95 of ceramic solar plate, the day on xoncrete structure ceramic solar roof gets heat 8.6MJ, far above national standard.
Ceramic solar plate is made, use cost is low; The sunlight absorptance is unattenuated; With the same life-span of building; Can be used for and former roof sharing structure layer, heat-insulation layer, watertight composition, simple in structure, xoncrete structure ceramic solar roof, face south metope, the balcony guardrail face of good effect of heat insulation, for building provides hot water, heating, air-conditioning in former roof, with architecture-integral; For industrial or agricultural, aquaculture provide heat energy; Can be used for the generating of desert large solar hot water, air channel generating, desalinization, brackish water desalination, change desert and be the farmland.Existing how tame factory goes into operation, the ceramic solar plate of going into operation, and China's ceramics output accounts for global more than 60%, and China's large-scale production ceramic solar plate of having ready conditions most should help to solve global energy, weather, fresh water, arable land problem.
Solar energy is the main hope of the extensive alternative energy, and the ceramic solar energy heat-collection system cost is low, the life-span is long, efficient is high, and the unit energy use cost should be lower than conventional energy resource, is a kind of new helioplant that can use on a large scale.
Adopt ceramic solar plate to be called the ceramic solar plate and solar hot-water heating system as the solar water heating system of solar energy heating body.
Conventional solar hot water mainly comprises solar thermal collector, heat storage water tank, control system, and its method of operation is Natural Circulation, forced circulation and single flow mode of heating.
Heat storage water tank is placed on the top of solar thermal collector, and the minimum point of heat storage water tank is higher more than 200 millimeters than the peak of solar thermal collector, and the water in the solar thermal collector is heated by sunlight; Volumetric expansion; Density diminishes, and moves upward to get into the top of heat storage water tank, and the water that the heat storage water tank temperature of lower is lower moves downward and gets into the solar thermal collector bottom; Moving upward after being heated forms circulation again, is called Natural Circulation.
Forced circulation comprises that the temperature difference controls direct forced circulation, the direct forced circulation of photo-electric control, timer and control that direct forced circulation, the temperature difference are controlled indirect forced circulation, the temperature difference is controlled indirect forced circulation and returned row's mode, in addition, also has single flow mode of heating etc.
The heat storage water tank of the solar water heating system of employing Natural Circulation must be placed on the top of solar thermal collector; Be full of water during work in the solar thermal collector; The hot water temperature descends or prevents bursting by freezing winter in the solar thermal collector when preventing that solar radiation is strong inadequately; Need artificial or automaton is squeezed into water in the heat collector upper water box or put into lower header, these automatics are because cause influence reliabilities such as power failure, mechanical breakdowns, and water tank is placed on the top of solar thermal collector; The large scale system on the roof, also influence architectural appearance.
And the solar water heating system that adopts forced circulation is at present controlled all more complicated of system, and as stated, these automatons comprise a large amount of electrically operated valves, magnetic valve, water pump, owing to reasons such as power failure, mechanical breakdown are easy to influence reliability.
Ceramic solar plate intensity is big, hardness is high, burn into is not aging, physicochemical property is stable, sunlight absorption rate can not decay, service life is very long, can reach hundreds of years, and ceramic solar plate does not have ductility; Be fragile material, in decades, in the last century-old use; In some afternoons in winter, because electric or mechanical breakdown, the water in the ceramic solar plate is not released; The all bursting by freezing at short notice of all ceramic solar plates in the solar thermal collector; And the big often system of ceramic solar plate collecting system, or even supersystem, will suffer heavy losses.
The tradition solar thermal collection system has various antifreezing measures, comprises anti-icing fluid binary cycle system, frost valve automatic drain system etc., has reliability to a certain degree.Anti-icing fluid binary cycle system complex structure, cost is high, needs in time to replenish anti-icing fluid etc.For big system, anti-icing fluid quantity is big, cost is high, obviously influences the thermal efficiency; The water-drainage antifreezing modes that adopt more, big system pipeline is long, and pipeline is complicated; Form vacuum when discharging water easily, vacuum causes negative pressure, is difficult to guarantee that the water in the system is emptied completely; Any water all can cause the damage of solar energy heating body or pipeline when freezing, so the frost valve automatic drain system need be installed the electronic or manually-operated gate of various automatic controls such as vacuum breaker valve, intake valve, draining valve, because possible power failure, electric or mechanical breakdown; Reduced reliability, about traditional 10 years solar thermal collection system life-spans, and ceramic solar plate collecting system decades in life-span; Last century-old, need higher reliability.
Summary of the invention
The objective of the invention is to simplify the ceramic solar plate collecting system as far as possible, improve the ceramic solar plate collecting system and prevent thermal loss and the reliability that prevents bursting by freezing.
The present invention is achieved in that
The ceramic solar plate collecting system; Especially the circulatory system of ceramic solar plate hot-water heating system should be simplified as far as possible; Described ceramic solar plate hot water cyclesystem is made up of ceramic solar energy collector, following circulation pipe, water pump, insulation heat storage water tank, upper circular tube, turnover tracheae, heat collector temperature sensor, water tank temperature sensor, controller, and it is H that the outlet of turnover tracheae is higher than the manifold trunk difference in height; Ceramic solar energy collector is made up of ceramic solar plate, inter-board interface, last manifold trunk, following manifold trunk, insulation material, shell; The insulation heat storage water tank is placed on below the ceramic solar energy collector, and the highest water surface is lower than the following manifold trunk of ceramic solar energy collector in the insulation heat storage water tank; Having only a water pump in the ceramic solar plate collecting system, is a centrifugal pump or axial-flow pump; In the circulatory system of ceramic solar plate hot-water heating system promptly upper circular tube, down circulation pipe, on manifold trunk, down manifold trunk, comprise in the turnover tracheae and do not establish any valve; Be any, any one valve such as valve, draining valve, air bleeding valve, pressure relief valve, vacuum breaker valve, stop valve, ball valve, check valve, magnetic valve, motor-driven valve, hand-operated valve that freeze in the air; Any device that possibly block pipeline promptly is not set, to guarantee that water route, gas circuit all are straightway in any case in above-mentioned water route, gas circuit.The outlet of described turnover tracheae is higher than manifold trunk 0.5-2 rice.Above-mentioned ceramic solar plate is the abbreviation of black ceramic composite ceramic solar panel.
The morning, ceramic solar plate was under solar radiation, and temperature rises in the ceramic solar energy collector, water temperature in temperature in the ceramic solar energy collector surpasses the insulation heat storage water tank; When the Δ A that its difference reaches setting spends, controller instruction starting mode of pump, the water in the water tank through water pump, upper circular tube, down the ceramic solar plate in manifold trunk, the ceramic solar energy collector, go up manifold trunk, circulation pipe down; Got back in the insulation heat storage water tank by the water of sunlight heating through ceramic solar plate, so constantly circulation, the water temperature in the insulation heat storage water tank improves constantly; Water temperature in temperature in the ceramic solar energy collector still surpasses the insulation heat storage water tank, but its difference progressively diminishes, when the Δ B that reaches setting when its difference spends; Controller instruction water pump quits work, and Δ A is greater than Δ B, like Δ A=8; Δ B=2, in case water pump quits work, the water in the ceramic solar energy collector all gets into the insulation heat storage water tank through upper circular tube, water pump; Water in the following circulation pipe also gets into the insulation heat storage water tank; Because the existence of turnover tracheae has destroyed the parital vacuum state that ceramic solar energy collector possibly occur, make water smoothly, reliable, all, the inevitable insulation heat storage water tank that flows back to.Common setting range Δ A=5-10, Δ B=1-3.Usually be set at the some numerical value among the Δ A=5-10, the some numerical value among the Δ B=1-3.
Any water pump all has certain lift and flow; The passage of the current of Any shape, size, pipeline are under certain pressure; The ability and corresponding resistance that all have certain permission water to pass through; The outlet of the turnover tracheae in the ceramic solar plate hot water cyclesystem is higher than the last manifold trunk certain height H of ceramic solar energy collector, and the lift of water pump and flow just in time make the last water surface in the system be higher than manifold trunk in the system, is lower than the outlet of turnover tracheae simultaneously; The lift and the flow that are water pump in the system just in time make the last water surface in the system be higher than manifold trunk 0-H millimeter, go up the water surface in the enforcement and are higher than manifold trunk 10-2000 millimeter.
Traditional solar water (device) system mainly is vacuum glass guard system and metal tube sheets system, and the vacuum glass guard system relies on vacuum heat-preserving, generally also can bursting by freezing at non-extremely frigid zones night in winter; And for the metal tube sheets system; Antifreeze is a significant problem, generally takes the mode of anti-icing fluid indirect cyclic process heat exchange to prevent bursting by freezing collector metal body, and the mode of perhaps taking to fall into water before the temperature decline prevents bursting by freezing collector metal body; Adopt manual or various controller and valve to realize operation; There is the possibility of human error in manual mode, and controller and valve mode exist and possibility electric and mechanical breakdown occurs, so adopt the mode of anti-icing fluid indirect cyclic process heat exchange more; This mode complex structure, cost is than higher.
Metal material has certain ductility; For a small amount of, slight freezing certain resistivity that has; Ceramic solar plate is tabular fragile material, is lower than the metal tube structure for freezing resistivity, and ceramic solar plate not burn into is not aging; Can have very long service life, take technique scheme can guarantee the bursting by freezing phenomenon not to take place at its very long life period.
Through overtesting, 200 watts water pump can make 2 tons of water tanks, 40 square metres ceramic solar roof realize above-mentioned circulation, and general fine water pump operation can make running water heat more than 40 degree in 5 hours, and the electric energy of consumption is about one of percentage of the heat energy that increases.
Temperature surpasses water temperature in the insulation heat storage water tank in the ceramic solar energy collector, and its difference reaches 8 of setting when spending, controller instruction starting mode of pump; Water in the water tank through water pump, upper circular tube, down the ceramic solar plate in manifold trunk, the ceramic solar energy collector, go up manifold trunk, circulation pipe down; Got back to once more in the insulation heat storage water tank by the water of sunlight heating at ceramic solar plate, so constantly circulation, the water temperature in the insulation heat storage water tank improves constantly; Water temperature in temperature in the ceramic solar energy collector still surpasses the insulation heat storage water tank; But its difference progressively diminishes, and when its difference reached 2 of setting and spends, controller instruction water pump quit work.
Solar water heating system; Especially the antifreeze problem of large-sized solar hot-water heating system is most important; In case system freezes; As the solar energy heating body of solar water heating system critical piece at first bursting by freezing scrap; The pipeline that is exposed in the environment also can be scrapped in bursting by freezing; Prevent that solar water heating system from freezing; Accomplish easily; Key is a reliability; Conventional solar hot water requires in a decade or so, not allow to take place the phenomenon of freezing; And the ceramic solar hot-water heating system requires in the time of decades even centuries, not allow to take place to freeze phenomenon; Requirement to reliability has improved tens of times; Froze for anti-locking system in the past; Adopt big amount controller; Various valves; Seem very reliable; Be actually a kind of understanding mistaken ideas; Even if high-precision controller; Various valves also can break down through long use; Adopt big amount controller; Various valves have reduced reliability on the contrary; In the present technique scheme, has only a controller; Two temperature sensors; A water pump; Any fault occurs and have only two kinds of results; A kind of is that water pump quits work, and all water all can get in the insulation heat storage water tank automatically in the system at this moment; Another kind is that water pump cannot stop; All the time in work; All water are not stopping circulation in the system at this moment; Can not freeze; Also is provided the time of pinpointing the problems and keeping in repair to administrative staff; Another characteristics of present technique scheme are that the turnover tracheae that outlet is higher than manifold trunk 0.5-2 rice is set; Essence be a pressure in system, causing to the present technique scheme pressure source that is the 0-2 meter water column by pump working to keep the motion cycle of current, said technical scheme is specifically designed to the ceramic solar plate and solar hot-water heating system.
Technique scheme makes ceramic solar hot-water heating system or xoncrete structure ceramic solar roof in no instance the bursting by freezing problem can take place, and also can not produce the problem of a large amount of losses of heat in the hot water, and simple in structure, cheap.
Description of drawings:
Fig. 1 representes the side view of ceramic solar plate collecting system
Fig. 2 representes the front view of ceramic solar plate collecting system
The explanation of mark among the figure:
1, ceramic solar energy collector shell 2, ceramic solar energy collector insulation material 3, ceramic solar plate 4, transparent cover plate 5, last manifold trunk 6, heat collector temperature sensor 7, following circulation pipe 8, water tank heat preserving material 9, water tank 10, water tank temperature sensor 11, water pump 12, upper circular tube 13, turnover tracheae 14, following manifold trunk 15, ceramic solar plate joint
Specific embodiment:
With 40 square metres on the xoncrete structure ceramic solar roof of former roof sharing structure layer, heat-insulation layer, watertight composition; Be made up of ceramic solar energy collector, following circulation pipe, water pump, insulation heat storage water tank, upper circular tube, turnover tracheae, heat collector temperature sensor, water tank temperature sensor, controller, it is 1 meter that the outlet of turnover tracheae is higher than the manifold trunk difference in height; Ceramic solar energy collector is made up of ceramic solar plate, inter-board interface, last manifold trunk, following manifold trunk, insulation material, shell; The insulation heat storage water tank is placed on below the ceramic solar energy collector, and the highest water surface is lower than 1.5 meters of the following manifold trunks of ceramic solar energy collector in the insulation heat storage water tank; Having only a water pump in the ceramic solar plate collecting system, is the centrifugal pump of 6 meters of 100 watts of lifts of a power and flow 50L/min; In the circulatory system of ceramic solar plate hot-water heating system promptly upper circular tube, down circulation pipe, on manifold trunk, down manifold trunk, comprise in the turnover tracheae having no valve; Promptly there are not any, any one valves such as frost valve, draining valve, air bleeding valve, pressure relief valve, vacuum breaker valve, stop valve, ball valve, check valve, magnetic valve, motor-driven valve; Any device that possibly block pipeline promptly is not set, to guarantee that water route, gas circuit all are straightway in any case in above-mentioned water route, gas circuit.The morning, ceramic solar plate was under solar radiation, and temperature rises in the ceramic solar energy collector, water temperature in temperature in the ceramic solar energy collector surpasses the insulation heat storage water tank; Its difference reaches 8 of setting when spending, controller instruction starting mode of pump, the water in the water tank through water pump, upper circular tube, down the ceramic solar plate in manifold trunk, the ceramic solar energy collector, go up manifold trunk, circulation pipe down; Got back in the insulation heat storage water tank by the water of sunlight heating at ceramic solar plate, so constantly circulation, the water temperature in the insulation heat storage water tank improves constantly; Water temperature in temperature in the ceramic solar energy collector still surpasses the insulation heat storage water tank; But its difference progressively diminishes, and when its difference reached 2 of setting and spends, controller instruction water pump quit work; In case water pump quits work; Water in the ceramic solar energy collector all gets into the insulation heat storage water tank through upper circular tube, water pump, and the water in the following circulation pipe also gets into the insulation heat storage water tank, because the existence of turnover tracheae; Destroyed the parital vacuum state that ceramic solar energy collector possibly occur, make water smoothly, reliable, the inevitable insulation heat storage water tank that flows back to.
The outlet of the turnover tracheae in the ceramic solar plate hot water cyclesystem is higher than 1 meter of the last manifold trunk of ceramic solar energy collector; The lift of water pump and flow make the last water surface in the system be higher than manifold trunk 500 millimeter in the system; Make the current in the circulatory system have rational pressure, flow velocity and flow, the water surface is lower than the outlet of turnover tracheae.
The bursting by freezing problem can take place in this ceramic solar hot-water heating system or xoncrete structure ceramic solar roof in no instance, also can not produce the problem of a large amount of losses of heat in the hot water.
Claims (3)
1. ceramic solar plate and solar hot-water heating system; It is characterized in that the ceramic solar plate hot water cyclesystem by ceramic solar energy collector, down circulation pipe, water pump, insulation heat storage water tank, upper circular tube, turnover tracheae, heat collector temperature sensor, water tank temperature sensor, controller are formed, the outlet that passes in and out tracheae is higher than manifold trunk; Ceramic solar energy collector is made up of ceramic solar plate, inter-board interface, last manifold trunk, following manifold trunk, insulation material, shell; The insulation heat storage water tank is placed on below the ceramic solar energy collector, and the highest water surface is lower than the following manifold trunk of ceramic solar energy collector in the insulation heat storage water tank; In the circulatory system of ceramic solar plate hot-water heating system, have only a water pump, said water pump is a centrifugal pump or axial-flow pump; Promptly upper circular tube, down circulation pipe, on manifold trunk, down manifold trunk, comprise in the turnover tracheae and do not establish any valve; Be valve, draining valve, air bleeding valve, pressure relief valve, vacuum breaker valve, stop valve, ball valve, check valve, magnetic valve, motor-driven valve, any, any one valve of hand-operated valve of freezing in the air; Any device that possibly block pipeline owing to various faults promptly is not set, to guarantee that water route, gas circuit all are straightway in any case in above-mentioned water route, gas circuit; Under solar radiation, temperature rises in the ceramic solar energy collector, water temperature in temperature in the ceramic solar energy collector surpasses the insulation heat storage water tank; When the Δ A that its difference reaches setting spends, controller instruction starting mode of pump, the water in the water tank through water pump, upper circular tube, down the ceramic solar plate in manifold trunk, the ceramic solar energy collector, go up manifold trunk, circulation pipe down; Got back to once more in the insulation heat storage water tank by the water of sunlight heating through ceramic solar plate, so constantly circulation, the water temperature in the insulation heat storage water tank improves constantly; Water temperature in temperature in the ceramic solar energy collector still surpasses the insulation heat storage water tank; But its difference progressively diminishes, and when the Δ B that reaches setting when its difference spent, controller instruction water pump quit work; Δ A is greater than Δ B; In case water pump quits work, the water in the ceramic solar energy collector all gets into the insulation heat storage water tank through upper circular tube, water pump, and the water in the following circulation pipe also gets into the insulation heat storage water tank; Because the existence of turnover tracheae; Destroyed the parital vacuum state that ceramic solar energy collector possibly occur, make water smoothly, reliable, all, the inevitable insulation heat storage water tank that flows back to, said technical scheme makes the ceramic solar plate and solar hot-water heating system in no instance the bursting by freezing problem can take place; Can not produce the problem of a large amount of losses of hot water heat in the ceramic solar energy collector yet; The outlet of turnover tracheae is higher than manifold trunk 0.5-2 rice, passes in and out during pump working that the water surface is higher than manifold trunk 10-2000 millimeter in the tracheae, and ceramic solar plate is the abbreviation of black ceramic composite ceramic solar panel.
2. a kind of ceramic solar plate and solar hot-water heating system according to claim 1 is characterized in that the some numerical value among the described Δ A=5-10, the some numerical value among the Δ B=1-3.
3. a kind of ceramic solar plate and solar hot-water heating system according to claim 1; It is characterized in that in the described ceramic solar energy collector that temperature surpasses water temperature in the insulation heat storage water tank, its difference reaches 8 of setting when spending, controller instruction starting mode of pump; Water in the water tank through water pump, upper circular tube, down the ceramic solar plate in manifold trunk, the ceramic solar energy collector, go up manifold trunk, circulation pipe down; Got back to once more in the insulation heat storage water tank by the water of sunlight heating through ceramic solar plate, so constantly circulation, the water temperature in the insulation heat storage water tank improves constantly; Water temperature in temperature in the ceramic solar energy collector still surpasses the insulation heat storage water tank; But its difference progressively diminishes, and when its difference reached 2 of setting and spends, controller instruction water pump quit work.
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Cited By (6)
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| CN104032903A (en) * | 2014-06-05 | 2014-09-10 | 曹树梁 | Single slop solar roof with upper and lower platforms, upper and lower channels and surrounding handrails |
| CN104266386A (en) * | 2014-10-08 | 2015-01-07 | 山东新帅克能源科技有限公司 | Solar water heating system capable of preventing vacuum pipes from cracking and control method |
| CN108548333A (en) * | 2018-06-11 | 2018-09-18 | 张俊霞 | A kind of solar thermal collection system using graphene |
| CN109751777A (en) * | 2019-01-28 | 2019-05-14 | 叶洋平 | A kind of backwater circulation control system and control method |
| CN110530038A (en) * | 2019-08-19 | 2019-12-03 | 曹树梁 | Pile-driving and-pulling machine punches to basement rock and builds ceramic solar energy storage device |
| CN114477343A (en) * | 2022-01-28 | 2022-05-13 | 曹树梁 | Ceramic solar panel for desalinating seawater and brackish water and heat exchanger thereof |
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| CN104032903A (en) * | 2014-06-05 | 2014-09-10 | 曹树梁 | Single slop solar roof with upper and lower platforms, upper and lower channels and surrounding handrails |
| CN104266386A (en) * | 2014-10-08 | 2015-01-07 | 山东新帅克能源科技有限公司 | Solar water heating system capable of preventing vacuum pipes from cracking and control method |
| CN108548333A (en) * | 2018-06-11 | 2018-09-18 | 张俊霞 | A kind of solar thermal collection system using graphene |
| CN109751777A (en) * | 2019-01-28 | 2019-05-14 | 叶洋平 | A kind of backwater circulation control system and control method |
| CN110530038A (en) * | 2019-08-19 | 2019-12-03 | 曹树梁 | Pile-driving and-pulling machine punches to basement rock and builds ceramic solar energy storage device |
| CN110530038B (en) * | 2019-08-19 | 2021-09-03 | 曹树梁 | Method for constructing ceramic solar hot water energy storage device by punching hole in soil layer to bedrock |
| CN114477343A (en) * | 2022-01-28 | 2022-05-13 | 曹树梁 | Ceramic solar panel for desalinating seawater and brackish water and heat exchanger thereof |
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Application publication date: 20120125 |