CN102798240A - Water scale prevention device for solar water heater - Google Patents

Water scale prevention device for solar water heater Download PDF

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Publication number
CN102798240A
CN102798240A CN2012102956699A CN201210295669A CN102798240A CN 102798240 A CN102798240 A CN 102798240A CN 2012102956699 A CN2012102956699 A CN 2012102956699A CN 201210295669 A CN201210295669 A CN 201210295669A CN 102798240 A CN102798240 A CN 102798240A
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China
Prior art keywords
water
radiator
water tank
temperature
entrance
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CN2012102956699A
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Inventor
孟庆波
黄小铭
吴会觉
李冬梅
罗艳红
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Institute of Physics of CAS
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Institute of Physics of CAS
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Priority to CN2012102956699A priority Critical patent/CN102798240A/en
Publication of CN102798240A publication Critical patent/CN102798240A/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers

Abstract

The invention provides a water prevention device for a solar water heater, which comprises a radiator (1) connected with a water tank (5) and used for radiating heat of water in the water tank (5). The radiator (1) is provided with a radiator channel (11) for allowing water to flow through, and the radiator channel (11) is in fluid communication with the water tank (5). The radiator channel (11) and the water tank (5) form a loop allowing water circulation. The heat of the water in the radiator (1) is radiated to lower the temperature, and then the water flows downwards to the lower end of the water tank (5), the hot water in the upper end of the water tank (5) flows downwards to automatically flow into the upper end of the radiator (1) to be subjected to heat radiation continuously, so that the radiator (1) and the water tank form a water flow circulation. Therefore, the temperature of water in the water tank is lowered, and the water is kept in a flowing state so as to prevent the formation of water scales.

Description

The waterproof scale device that a kind of solar water heater is used
Technical field
The present invention relates to the waterproof scale device of solar water heater, belong to technical field of solar water heaters.
Background technology
Human utilization to solar energy is historical the same long with the whole mankind's history.Solar energy can be converted into heat energy, electric energy, chemical energy etc.To conversion of solar energy is that a most successful example of heat utilization is exactly a solar water heater.Solar water heater has all obtained popularization and application widely because of its excellent characteristic that adds hot water in the China and the whole world.In general, solar water heater comprises major parts such as support, water tank, thermal-collecting tube.Long-time extensive use along with solar water heater; People have found a subject matter naturally; Be exactly that solar water heater inner (comprising thermal-collecting tube, water tank, ventilating water pipe etc.) is being easy to generate incrustation scale after long-time the use, and it is inner or swim in the hot water to be deposited on water heater.Being deposited on the inner incrustation scale of water heater can influence the conduction of the flowing each other of water in the heat pipe, temperature, and reduce thermal-collecting tube moisture storage capacity, influence the lighting efficiency of thermal-collecting tube, cause water-heater efficiency service life of step-down even reduction water heater gradually.So water heater inside needs the professional that it is regularly cleaned, but this for the user brings many troubles, also increased simultaneously water heater manufacturer's cost.In order to solve the problem of incrustation scale, people once designed many different techniques schemes.But what these schemes were really adopted by the water heater manufacturer is very few, and core reasons are concluded and mainly comprised the following aspects: because of descale has carried out about-face to the design of water heater itself, producer has no attraction as far as water heater; Cause too complicacy is not suitable for real situation, not only complex process but also with high costs; Because of the scale removal effect very faint; Because of there are potential hazard in water heater or user, put into the chemical liquid of water heater such as being used for scale removal, can cause potential hazard to human body skin.And often also only in some special or high-end products, use for those effective scale removal schemes, and the scale removal effect also feels embarrassed to mention obviously, thus be difficult to popularize.So when at present domestic large manufacturer faced water heater internal water scale problems, great majority were taked artificial methods of cleaning to the doorstep, though the method is clumsy, but or the higher relatively a kind of scheme of cost performance.
In fact, the inner incrusted problem of water heater is not to solve.We are very clearly in fact for the formation of incrustation scale, can analyze the origin cause of formation of incrustation scale here first.Because what use in most water heaters is running water or well water.With the running water is example, in running water, contains more calcium (Ca), magnesium (Mg) salt time-like, in process to the running water heating, and Ca (HCO 3) 2, Mg (HCO 3) 2Decomposes is CaCO Deng understanding gradually 3, MgCO 3Etc. deposition, after temperature surpassed 70 ℃, this decomposable process can obviously increase, and these depositions that in static water, produce are deposited on the water heater inwall easily, Here it is incrustation scale.Because the original design thought of water heater is to hope that the As soon as possible Promising Policy user is to the demand of hot water in winter, continuously under the inadequate situation at sunshine such as overcast and rainy.And then cause new problem: under sunshine sufficient situation, too much heat accumulation is arranged necessarily, make heat collector, water tank etc. be in the condition of high temperature for a long time.This provides sufficient condition for the generation that incrustation scale produces.
We can be clear that the key element of facilitating incrustation scale to form is respectively from the origin cause of formation of incrustation scale: contain a large amount of Ca in (1) water 2+, Mg 2+, HCO 3 -Plasma; (2) high temperature; (3) water is static.For most water heaters, be difficult to the ion concentration in direct control (1) water.But but can control (2) high temperature and static these two factors of (3) water.Particularly high temperature is the most crucial factor that forms incrustation scale when key element (1) possesses, under the hot conditions water static be the promoting factor of assisting.
People also have realized that the influence of high temperature to incrustation scale in fact, so also there is technical scheme to attempt to solve.Chinese patent CN 202195618 U disclose a kind of mechanical electric device that comprises series of temperature controlling and heat radiation and have controlled water temperature in the water heater to prevent fouling.But thereby this technical scheme is owing to too much adopt mechanical power control unit to cause cost to rise in a large number, even also changed solar water heater's internal structure significantly, is difficult to accepted by manufacturer.In addition, Chinese patent CN 201314712 Y and the Chinese patent CN 202254443 U flexible abat vent or the cloth that disclose a kind of plane of illumination at solar water heater respectively and increase the TEMP electric control is controlled water temperature.This technical scheme must be considered other factors such as high wind, rainwater corrosion simultaneously, and also adopts machine control unit too much, and also has the additional power demand, and these all cause cost to rise in a large number, also incompatibility solar water heater manufacturer's demand.
Secondly, for the static problem that also can promote fouling of water, people also once proposed some technical schemes.It is the mode that connects cylindrical tube and water inlet pipe in the lower end that Chinese patent CN 201083448 Y and Chinese patent CN 201407827 Y disclose a kind of thermal-collecting tube through the change solar water heater respectively, and the flowability that has strengthened water in the thermal-collecting tube reaches the purpose of scale removal.But this scheme has all been carried out bigger change to existing thermal-collecting tube and water heater integral body, has increased cost and has changed production technology, is not also accepted by the water heater manufacturer.
In addition; It is found that water is magnetized the generation that can effectively prevent incrustation scale; Chinese patent CN 2718464 Y disclose the method that a kind of device that increases by one section magnetized drinking water at the oral siphon place comes antiscale; But this scheme only lets water when injecting water tank, obtain magnetization, and the performance of magnetized drinking water can not keep (generally as a child will disappear in magnetization 6-with reference to 47 pages of " ability and intelligence " 2009 28 phases: the physicochemical properties of magnetized drinking water and mechanism pre-test) for a long time, so antiscaling effect weakens greatly.Chinese patent CN 2911536 Y disclose and a kind of magnetizing assembly have been arranged at the scheme between thermal-collecting tube and the attemperater; This scheme can let water formed hot and cold water circulation in the process of heating rapidly pass through magnetization; But, water reduces the magnetizer meeting when being heated to higher temperature (70-100 degree) because of internal water circulates to slow down;, water temperature inside do not have internal water circulation even when spending near 100 basically and can't be to hydromagneticization; But high-temperature water is easy to generate incrustation scale and loses magnetizability at this moment exactly, so cause whole antiscaling effect also not obvious.
So, preventing the generation of incrustation scale, core is to control the temperature of hot water in the water heater and lets the water in the water heater be in the generation that flow regime just can prevent incrustation scale well, lets mobile water constantly pass through the ability of energy of magnetization enhancing scale removal further.
Summary of the invention
The objective of the invention is to overcome the defective that the technology of existing scale removal can't practical requirement, thereby a kind of with low cost, remarkably productive waterproof scale device is provided.This waterproof scale device can be controlled the temperature of hot water in the water heater naturally and let the high-temperature water in the water heater be in flow regime always.
To achieve these goals, the invention provides the waterproof scale device that a kind of solar water heater is used, said solar water heater comprises water tank, and said waterproof scale device comprises:
With the radiator that said water tank is connected, be used for the water in the said water tank is dispelled the heat.The present technique scheme to the water for cooling in the water tank, helps stoping the generation of incrustation scale through radiator.
Preferably, said radiator has the radiator passage that supplies water and pass through, and said radiator passage becomes fluid to be communicated with said water tank.In the present technique scheme, radiator passage becomes fluid to be communicated with water tank, and heat sink radiates heat temperature reduces, and water in the water tank and the water in the radiator carry out heat exchange, thereby the coolant-temperature gage in the water tank is reduced; The depositing in water that simultaneously the radiator internal temperature is lower is in the bottom and flow in the water tank, has also reduced the temperature of water in the water tank.
Preferably, said radiator passage and said water tank form the loop of the stream circulation of supplying water.In the present technique scheme, the loop of water circulation can be for a plurality of, and the loop of circulation can make current flowing between radiator and water tank more smooth and easy, thereby improves radiating effect.
Preferably, said water tank comprises the upper end connected entrance with higher level and has the lower end connected entrance than low water level that said radiator passage is connected with said upper end connected entrance and lower end connected entrance respectively, to form the said loop of the stream circulation of supplying water.In the present technique scheme, radiator passage is connected in two different positions of water tank height, and connected entrance gets into radiator to hot water from the upper end; Thereby the temperature reduction is moved to lower end connector direction in radiator; Connected entrance gets into radiator again from the upper end thereby make new hot water, so between radiator passage and water tank, form the reciprocation cycle motion of water, has reduced the temperature of hot water on the one hand; Also make water be in flow regime on the other hand, two aspects have prevented the generation of incrustation scale jointly.
Preferably; Said radiator passage extends along vertical on the whole; When work; Thereby the water in the radiator is dissipated heat reduces after the temperature toward dirty that connected entrance injects water tank from the lower end, and the hot water in the upper end of water tank gets into radiator automatically through the upper end connected entrance and continues to be dispelled the heat toward dirty because of the water in the radiator, thereby between radiator and water tank, forms the said loop of water circulation.
Preferably, said water tank has the lower end water inlet, by said lower end water inlet as said lower end connected entrance.Preferably, said water tank have the upper end water inlet, by said upper end water inlet as said upper end connected entrance.This kind design can be offered upper end connected entrance and/or lower end connected entrance in addition; Utilize the upper end water inlet and/or the lower end water inlet of solar water heater water tank itself can accomplish setting; Help existing mounted solar water heater is simply transformed installation the present invention, reach the purpose that prevents that incrustation scale from generating.
Preferably, also comprise: the temperature control valve that is connected with said radiator is used for opening or closing according to the temperature of setting the radiator passage of said radiator.In the present technique scheme, the temperature control valve of setting can open or close the radiator passage of said radiator automatically according to the temperature of setting, thereby realizes the automation of radiator work.
Preferably, also comprise: magnetizing assembly, said magnetizing assembly is arranged on the said loop, is used to magnetize the water in said loop of flowing through.In the present technique scheme; Magnetizing assembly is arranged on the said loop, can know according to above narration, and the water of reciprocation cycle motion is constantly through said magnetizing assembly between radiator passage and water tank; Thereby prolonged the time of the magnetized state of water, made the water in the water tank keep being in magnetized state.
Preferably, said magnetizing assembly is arranged to the position of contiguous said lower end water inlet.In the present technique scheme; Water is magnetized once in the last water process; Magnetizing assembly is arranged at again on the said loop simultaneously, and the water of reciprocation cycle motion constantly passes through said magnetizing assembly again between radiator passage and water tank, thereby has increased the magnetized state of the water in the water tank.
Preferably, said radiator adopts the metal fin pipe to process, and is used to increase the area of dissipation of radiator.
Preferably, said radiator is the shape with the vertical axis spiral, is used to increase the area of dissipation of radiator.
Preferably, at least a portion of said radiator is positioned at the shady face of said water tank back, day illumination just less than shady and cool part, help making radiator to keep lower temperature, improve radiating efficiency.
Preferably, the area of dissipation of said radiator is set according to required heat radiation power.
Preferably, along with the rising of temperature, water and ambient temperature difference also rise in the water tank, and the heat dissipation capacity of radiator also rises, and water circulation can be accelerated, and more help controlling temperature and the chance that reduces the water fouling.
Preferably, can compare strong water circulation in radiator and the water tank under the high temperature, the current of all circulations all can constantly constantly be magnetized through magnetizing assembly.
Radiator of the present invention be meant any can be with heat energy from the device that the water in the water tank shifts away, for example include but not limited to and tubular radiator like the metal fin tubing.
The present invention has following advantage at least:
1, waterproof scale device provided by the invention has been realized the temperature of hot water in the control water heater with extremely cheap mode; And temperature is high more, and water temperature and ambient temperature differences are big more, and radiating effect is good more, thereby has played and well prevent the incrustation scale effect.
2, waterproof scale device provided by the invention provides the evacuation mouth of heat through radiator, can control heat radiation power well through the area of dissipation that changes radiator, can be applicable to the situation that winter and sun in summer can the variations of water heater collector power respectively.
3, waterproof scale device provided by the invention, also let simultaneously in the radiator water because of cooling spontaneously with water tank in hot water form water circulation, make water be in flow regime all the time.And the high more radiating effect of the water temperature in the water tank is good more, and water circulation is strong more, helps preventing the generation of incrustation scale more.The whole electromechanical assembly that flows and need not add has been avoided the higher somewhat complex design of cost.
4, waterproof scale device provided by the invention lets water keep the characteristic that flows automatically owing to possessed, when being equipped with magnetizer always; Can let mobile water constantly through magnetization; Avoided traditional water to cross the situation that several hrs lost efficacy through the magnetization back, and water temperature is when high more, current are fast more; The magnetization effect is obvious more, so strengthen the ability of scale removal further.
5, waterproof scale device provided by the invention; Adopt the doubly-linked interface to connect the mode of radiator; Efficient is higher, does not change the design and the production technology of existing solar water heater itself, and has mated existing solar water heater extremely easily; Simple and remarkably productive realization the function of scale removal, be fit to transformation to existing solar water heater.
Description of drawings
Fig. 1 is the sketch map of the waterproof scale device of the embodiment of the invention;
Fig. 2 is that the waterproof scale device of the embodiment of the invention and the position of solar water heater concern sketch map.
Label is following among the figure:
The 1-radiator, 2-temperature control valve, 3-magnetizing assembly, 4-triple valve, 5-water tank;
The 11-radiator passage, 51-upper end connected entrance, 52-lower end connected entrance.
The specific embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention is clearer, will combine accompanying drawing that specific embodiment is described in detail below.
As shown in Figure 1, the waterproof scale device in the present embodiment comprises radiator 1, and radiator 1 is water-cooled tubular radiator, in other embodiments, also can adopt the radiator of other type, like fan-cooled radiator.Like the described radiator 1 of Fig. 1, see that from external structure in order to increase area of dissipation, radiator 1 is the shape with the vertical axis spiral; Structure is seen internally, and said radiator 1 has the radiator passage 11 that supplies water and pass through.
As shown in Figure 2; 5 one-tenth fluid connected states of water tank of radiator passage 11 and solar water heater; Concrete; Water tank 5 comprises upper end connected entrance 51 and lower end connected entrance 52, and said radiator passage 11 is connected with said upper end connected entrance 51 and lower end connected entrance 52 respectively, to form the said loop of the circulation of supplying water; Said upper end connected entrance 51 is positioned at the position with higher level of water tank 5, and said lower end connected entrance 52 is positioned at the position than low water level that has of water tank 5.In the present embodiment, said upper end connected entrance 51 is the upper end water inlet, said lower end connected entrance 52 for the lower end water inlet (if raw water box do not have corresponding connected entrance 51 52 or the position undesirable, can open new mouthful in the water tank appropriate location).This kind design can be offered upper end connected entrance 51 and lower end connected entrance 52 in addition; Utilize solar water heater water tank 5 upper end water inlet and lower end water inlets own can accomplish setting; Help existing mounted solar water heater is simply transformed the purpose that prevents that the present invention to be installed, to reach incrustation scale from generating.
As shown in Figure 2, temperature control valve 2 is connected with said radiator 1, and is concrete, is connected in the said radiator passage 11, and temperature control valve 2 is used for opening or closing according to the temperature of setting the radiator passage 11 of said radiator 1, thereby realizes control automatically.
As shown in Figure 2, the waterproof scale device in the present embodiment also comprises magnetizing assembly 3, and said magnetizing assembly 3 is arranged on the said loop, is used to magnetize the water in said loop of flowing through, and is concrete, and said magnetizing assembly 3 is arranged at the position of contiguous said lower end water inlet.
The lower end of radiator 1 is connected to the lower end water inlet of water tank 1 through triple valve 4, and the upper end of radiator 1 communicates with the upper end water inlet of water tank 1.
Can adopt the metal fin pipe to process radiator 1, to meet the requirements of area of dissipation.
Operation principle and process prescription that the present invention is concrete are following:
Set the temperature that opens or closes of temperature control valve 2 earlier, when the coolant-temperature gage in the water tank 5 was lower than the established temperature of temperature control valve 2, temperature control valve 2 was in closed condition.Because the water in the radiator 1 is by cooling and temperature is lower than the water in the water tank 5, so the water in the radiator 1 can not exchange through the upper end water inlet of water tank 5 and the hot water in the water tank 5.When temperature is higher than the established temperature of temperature control valve 2; Temperature control valve 2 is opened; Radiator 1 lower end is with after the lower end water inlet is communicated with; Injected water tank 5 lower ends toward current downflow thereby the water in the radiator 1 dissipates after heat reduces temperature, the hot water in water tank 5 upper ends continues to be dispelled the heat because of the water in the radiator 1 is drawn into radiator 1 upper end toward current downflow, thereby between radiator 1 and water tank 5, forms a water circulation.Radiator 1 can be the shape with the vertical axis spiral; Making behind the water-cooled of radiator passage 11 upper ends that temperature reduces that density increases just can be along radiator passage 11 constantly toward dirty; Hot water in the water tank 5 constantly injects radiator passage 11 upper ends; Help to form described water circulation; Be that the lower water of temperature in the radiator 1 is toward dirty, because of making in the pipeline of pressure effect upper end that connector 51 flows to radiator 1 through the upper end for hot water in the water tank 5, so can form so single circulation loop, water tank 5 upper ends-radiator 1-water tank 5 lower ends.
Along with the rising of the temperature of water in the water tank 5, water and ambient temperature difference also become greatly in the water tank 5, and the heat dissipation capacity of radiator 1 also rises, and water circulation can be accelerated, so can suppress the speed that the coolant-temperature gage continuation is risen in the water tank 5.Therefore can control heat radiation power through the area of dissipation that changes radiator 1, thereby reach the purpose of water temperature in the control water tank 5.Be higher than the temperature (for example 70 ℃) of temperature control valve 2 settings in temperature after; Can compare strong water circulation in radiator 1 and the water tank 5; Thereby the water of all water circulation all can constantly constantly be magnetized through water magnetization apparatus 3, has strengthened the ability of the anti-fouling of harnessing the river greatly.
Through top introduction; This cover waterproof scale device provided by the invention; Can reach the purpose of water temperature in the control solar water heater, can let the water that surpasses behind the design temperature in the water heater constantly carry out water circulation, can also continuously magnetize the water that constantly flows simultaneously.Finally through temperature control, flow, the magnetization triple role reaches the effect that prevents that incrustation scale from producing jointly.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.

Claims (16)

1. waterproof scale device that solar water heater is used, said solar water heater comprises water tank (5), it is characterized in that, said waterproof scale device comprises:
The radiator (1) that is connected with said water tank (5) is used for the water in the said water tank (5) is dispelled the heat.
2. waterproof scale device according to claim 1 is characterized in that:
Said radiator (1) has the radiator passage (11) that is used for water and passes through, and said radiator passage (11) becomes fluid to be communicated with said water tank (5).
3. waterproof scale device according to claim 2 is characterized in that:
Said radiator passage (11) forms the loop that the stream that supplies water circulates with said water tank (5).
4. waterproof scale device according to claim 3 is characterized in that:
Said water tank (5) comprises the upper end connected entrance (51) with higher level and has the lower end connected entrance (52) than low water level; Said upper end connected entrance (51) and lower end connected entrance (52) can be as required respectively at appropriate location, the top and bottom opening at the top and bottom or the back side of water tank side; Said radiator passage (11) is connected with said lower end connected entrance (52) and said upper end connector (51), to form the loop of said water supply stream circulation.
5. waterproof scale device according to claim 4 is characterized in that:
Said radiator passage (11) extends along vertical on the whole; When work; Radiator (1) thus in water dissipated that connected entrance (52) injected water tank from the lower end toward current downflow after heat reduced temperature; Hot water in the upper end of water tank (5) gets into radiator (1) automatically and continues to be dispelled the heat because of the water in the radiator (1) pass through upper end connected entrance (51) toward current downflow, thus between radiator (1) and water tank (5) the said loop of formation water circulation.
6. waterproof scale device according to claim 4 is characterized in that:
Said water tank (5) has the lower end water inlet, by said lower end water inlet as said lower end connected entrance (52).
7. according to each described waterproof scale device among the claim 4-6, it is characterized in that:
Said water tank (5) have the upper end water inlet, by said upper end water inlet as said upper end connected entrance (51).
8. waterproof scale device according to claim 2 is characterized in that, also comprises:
The temperature control valve (2) that is connected with said radiator is used for opening or closing according to the temperature of setting the radiator passage (11) of said radiator.
9. waterproof scale device according to claim 6 is characterized in that, also comprises:
Magnetizing assembly (3), said magnetizing assembly (3) is arranged on the said loop, is used to magnetize the water in said loop of flowing through.
10. waterproof scale device according to claim 9 is characterized in that:
Said magnetizing assembly (3) is arranged to the position of contiguous said lower end water inlet.
11. waterproof scale device according to claim 1 is characterized in that:
Said radiator (1) adopts the metal fin pipe to process, and is used to increase the area of dissipation of radiator (1).
12. waterproof scale device according to claim 1 is characterized in that:
Said radiator (1) is the shape with the vertical axis spiral.
13. waterproof scale device according to claim 1 is characterized in that,
At least a portion of said radiator (1) is positioned at the shady face of said water tank (5) back.
14. waterproof scale device according to claim 1 is characterized in that,
The area of dissipation of said radiator (1) is set according to required heat radiation power.
15. waterproof scale device according to claim 1 is characterized in that:
Along with the rising of temperature, water and ambient temperature difference also rise in the water tank, and the heat dissipation capacity of radiator (1) also rises, and water circulation can be accelerated, and more help controlling temperature and the chance that reduces the water fouling.
16. waterproof scale device according to claim 9 is characterized in that:
Can compare strong water circulation in radiator under the high temperature (1) and the water tank, the current of all circulations all can constantly pass through magnetizing assembly (3) by constantly magnetization.
CN2012102956699A 2012-08-17 2012-08-17 Water scale prevention device for solar water heater Pending CN102798240A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102798239A (en) * 2012-08-17 2012-11-28 中国科学院物理研究所 Water scale prevention device for solar water heater
CN103968579A (en) * 2014-05-14 2014-08-06 福建工程学院 Control method of solar water heater with scale-prevention and water-storage functions

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JPH0979662A (en) * 1995-09-18 1997-03-28 Fujita Corp Method for taking out solar light energy and solar cell panel integration type water heater
CN2366790Y (en) * 1999-03-25 2000-03-01 宋广涛 Magnetization apparatus for solar energy water heater
CN1538123A (en) * 2003-04-18 2004-10-20 徐宝安 Multifunction solar water heater
CN202303999U (en) * 2011-10-18 2012-07-04 南京绿盾电气设备有限公司 Self-temperature-control domestic solar water heater
CN102798239A (en) * 2012-08-17 2012-11-28 中国科学院物理研究所 Water scale prevention device for solar water heater
CN202792643U (en) * 2012-08-17 2013-03-13 中国科学院物理研究所 Scale prevention device for solar water heater
CN202869049U (en) * 2012-08-17 2013-04-10 中国科学院物理研究所 Anti-scale device used for solar water heater

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0979662A (en) * 1995-09-18 1997-03-28 Fujita Corp Method for taking out solar light energy and solar cell panel integration type water heater
CN2366790Y (en) * 1999-03-25 2000-03-01 宋广涛 Magnetization apparatus for solar energy water heater
CN1538123A (en) * 2003-04-18 2004-10-20 徐宝安 Multifunction solar water heater
CN202303999U (en) * 2011-10-18 2012-07-04 南京绿盾电气设备有限公司 Self-temperature-control domestic solar water heater
CN102798239A (en) * 2012-08-17 2012-11-28 中国科学院物理研究所 Water scale prevention device for solar water heater
CN202792643U (en) * 2012-08-17 2013-03-13 中国科学院物理研究所 Scale prevention device for solar water heater
CN202869049U (en) * 2012-08-17 2013-04-10 中国科学院物理研究所 Anti-scale device used for solar water heater

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102798239A (en) * 2012-08-17 2012-11-28 中国科学院物理研究所 Water scale prevention device for solar water heater
CN103968579A (en) * 2014-05-14 2014-08-06 福建工程学院 Control method of solar water heater with scale-prevention and water-storage functions
CN103968579B (en) * 2014-05-14 2015-12-30 福建工程学院 A kind of control method with the solar water heater of antiscale and water storage function

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Application publication date: 20121128