CN202470495U - Series-connected replacement constant temperature antifreezing solar water heater - Google Patents
Series-connected replacement constant temperature antifreezing solar water heater Download PDFInfo
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- CN202470495U CN202470495U CN 201220085021 CN201220085021U CN202470495U CN 202470495 U CN202470495 U CN 202470495U CN 201220085021 CN201220085021 CN 201220085021 CN 201220085021 U CN201220085021 U CN 201220085021U CN 202470495 U CN202470495 U CN 202470495U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
Abstract
The utility model discloses a series-connected replacement constant temperature antifreezing solar water heater. A heat collector is connected in series with a non-pressure-bearing storage type thermal insulation water tank, a simple system structure is realized, and the relative positions of the heat collector and the non-pressure-bearing storage type thermal insulation water tank can be flexibly and conveniently adjusted in height; any other medium is not used by the whole system, zero-power consumption freezing prevention is realized by matching mechanical valves and using the energy of tap water, and high-speed high-efficiency heat exchange is realized by a brand new replacement heat exchanging method; and the temperature of water in the water tank can be controlled and preset, and the utilization ratio of hot water reaches one hundred percent. Compared with the traditional solar water heater, the series-connected replacement constant temperature antifreezing solar water heater has the advantage of low cost and high cost performance.
Description
Technical field
The utility model relates to a kind of any other non-aqueous media that do not adopt, and the zero-power that realizes is antifreeze and the separated solar water heater of high-speed heat exchange.
Background technology
Improving constantly of Along with people's environmental protection low-carbon (LC) consciousness, increasing family uses solar water heater.Because the heat collector part of solar water heater; Even whole solar water heater all need be installed in outdoorly, and temperature is low in the winter time just has the very outstanding problem that solves of needing with 0 degree the time, and the upper and lower conduit that is exactly solar water heater is in the outdoor part that appears; Even whole heat collector all need be taked antifreezing measures; Can't use solar water heater otherwise the lighter's upper and lower conduit freezes, weight person's water pipe from freezing crack is scrapped, and heat collector damages.The freezing proof technique that generally adopts at present for separated solar water heater is to adopt the anti-icing fluid medium to carry out heat exchange and antifreeze, or adopts the hot water circuit in the water tank to arrive heat collector heat-preserving anti-freezing method, or adopts the electrically heated freeze proofing of heating.
At first adopt the antifreeze shortcoming of anti-icing fluid: first anti-icing fluid is a kind of poisonous liquid of volatilization easily that is corrosive; And the hot water in the water tank is to be used for human body to have a bath, wash one's hands even wash dish and might directly get in the body; This potential potential safety hazard exists all the time, thus anti-icing fluid antifreeze never be a kind of safe and reliable means to prevent freezing; Second adopts the medium of anti-icing fluid medium as heat exchange, owing to adopt indirect heat exchange, reduces heat exchange efficiency; The 3rd anti-icing fluid needs fluid infusion or changes liquid after using a period of time, increases later maintenance cost; The 4th anti-icing fluid reduces the anti-icing fluid temperature in antifreeze, can cause needs more how extra sunlight to replenish daytime.Therefore adopt anti-icing fluid antifreeze mostly with heat exchange be because the caving-in bash of the present system architecture of separated solar water heater never is a completely safe plan.
Secondly, the heat-preserving anti-freezing method or the freeze proofing of heating again, there is the problem of Electrical Safety first in these two kinds of methods, and the two all need digest additional electric energy, the method that neither a kind ofly be worth promoting.
Have and do not have a kind of better system framework, heat exchange way and antifreeze way, the medium beyond whole solar water heater system does not adopt and dewaters, zero-power realizes the antifreeze of separated solar water heater, and can accelerate the heat transfer rate of solar water heater.
Summary of the invention
The utility model proposes for solving above problem, and the utility model solves the technical scheme that its technical problem adopted and is: the pipeline composition that comprises non-pressure-bearing memory-type attemperater, pressure-bearing heat collector, breather valve, pressure limiting temperature-sensing valve, altitude valve, water route transfer valve, water outlet pressurizing valve and connect each several part; Attemperater and heat collector adopt connected in series, promptly have only a logic to be connected pipeline between inner water tank and the heat collector, and breather valve is installed in the hot water exit of heat collector, and then connection pressure limiting temperature-sensing valve; Running water at first enters into heat collector later on through altitude valve and water route transfer valve, in heat collector, is heated in the non-pressure-bearing memory-type attemperater of cold water displacement entering that just permission is newly got into behind the predetermined temperature to be stored; Altitude valve, water route transfer valve and water outlet pressurizing valve are connected through corresponding water pipe in the heat-insulation layer that can be embedded in water tank with water tank and constitute an integral body, also can be external outside water tank.No matter be embedded in the water tank or external at water tank, between altitude valve, water route transfer valve and water outlet pressurizing valve and the water tank and the connected mode between each valve body constant.
The described altitude valve of the utility model has two interfaces, water inlet and delivery port, and the running water inlet of water inlet water receiving case, delivery port is connected with the C mouth of water route transfer valve.The function of this altitude valve is that the water level that relies in the water tank decides closing or opening of this valve, if the water level promptly in the water tank is full, then altitude valve is closed, and water inlet and delivery port are obstructed; Otherwise water inlet is connected with delivery port if the water level in the water tank is discontented.
This uses novel described water route transfer valve that four interfaces are arranged, and is respectively A interface, B interface, C interface, D interface; The delivery port of A interface and memory-type condenser hot well liner links together, and B interface is the running water outlet of water tank, and the delivery port of C interface and altitude valve links together, and the water sucking mouth of D interface and water outlet pressurizing valve links together.The function of this water route transfer valve is through the tumbler in the valve body, carries out gear shift, and the connected relation between the different gears, four interfaces is different, and the rotation gear panel of this valve can be installed on the panel of water tank handled easily.This water route transfer valve that requires according to the utility model has following three gears at least, and the operate as normal gear: the A interface is communicated with D interface, and C interface is communicated with B interface; Antifreeze work gear: B interface is communicated with D interface, and C interface is closed, and the A interface is closed; The emergency gear: C interface is communicated with the A interface, and B interface is closed, and D interface is closed.
The described water outlet pressurizing valve of the utility model has three interfaces; Be respectively inflow entrance, flow export and water sucking mouth; The running water inlet of inflow entrance through water pipe and water tank links together, the delivery port of flow export and water tank together, the D mouth of water sucking mouth and water route transfer valve links together.The function of this valve is to flow into from the inflow entrance of this valve through running water, and when flow export flowed out, current can produce the pressure of suction in the water sucking mouth of this valve, and the ducted water that connects with the water sucking mouth can flow out by this valve suction and at the flow export of this valve.Thereby also strengthened hot water effluent's pressure of water tank indirectly.If hope higher leaving water temperature or bigger discharge pressure certainly, this valve can replace with an automatically controlled pump.
The described breather valve of the utility model has a connector and blow vent, and connector is serially connected in the hot water exit of heat collector, the warm valve water inlet of another side joint pressure limiting temperature-sensing valve of three-way pipe through a three-way pipe.This valve is connected the intermediary interface of three-way pipe, and the function of this valve is according to the pressure of liquid in the pipe, and the pressure of liquid is during greater than atmospheric pressure, and the connector sealing is obstructed with blow vent, is equivalent in the pipe this valve is not installed; But ducted liquid pressure is during less than atmospheric pressure, and connector is opened, and is communicated with blow vent, and this position and atmosphere that is to say through this valve and atmosphere.
The described pressure limiting temperature-sensing valve of the utility model has two interfaces, is respectively warm valve water inlet and warm valve delivery port, and up connection of warm valve water inlet and breather valve three-way pipe together, warm valve delivery port connect the water inlet of water tank through water pipe.If the function of this valve is the predetermined value that reaches this pressure limiting temperature-sensing valve in the water temperature of warm valve water inlet one side, the valve of this valve is just opened, and water just can flow through this valve; Thereby flow in the water tank; Otherwise if be lower than the predetermined value of this pressure limiting temperature-sensing valve in the water temperature of warm valve water inlet one side, the valve of this valve is just closed; Implication water is stream this valve only just, that is to say that water flows to here to be ended.Regulate the temperature control predetermined value of this valve, just can change the temperature of the hot water that gets into water tank.This valve also has the effect of pressure limiting in addition, if the water of promptly warm valve water inlet one side for a certain reason pressure heighten, surpass the voltage limiting value of this valve, then the valve of this valve is opened automatically and is carried out voltage-limiting protection, recover automatically the pressure back that descends.
Described non-pressure-bearing memory-type attemperater of the utility model and pressure-bearing heat collector are two separate components, the relative position of installing between the two can height can be low, but the connected mode of each valve is constant.The installation site that is to say the relative water tank of heat collector in the solar water heater of the utility model can be higher than water tank, also can be lower than water tank.The application higher than water tank of heat collector installation site can be on the roof separated solar water heater, and the application lower than water tank of heat collector installation site can be on the balcony separated solar water heater.
Three kinds of working methods of the utility model are described below.
Normal operation mode: running water flow into the running water water inlet of water tank through water pipe, and the moisture of inflow becomes two-way, and the water pipe of leading up to flow into the water outlet pressurizing valve since this moment hot water of no use, this road water is blocked in the water pipe no longer mobile; Another road flows into from the water inlet of altitude valve, because the water level in the water tank is discontented, current flow out from the delivery port of altitude valve; Flow to the C mouth of current transfer valve, the C mouth is communicated with B interface when normal operation mode, and current flow out from B interface; Flow into the cold water inlet of heat collector through water pipe, current flow through heat collector, flow out from the hot water outlet of heat collector; The pressure of current is that breather valve cuts out; And the water temperature of current is not owing to reach the predetermined temperature of pressure limiting temperature-sensing valve, and the pressure limiting temperature-sensing valve cuts out, and current are trapped in the heat collector.Water in heat collector is progressively heated by heat collector, and water temperature is heated to the predetermined temperature of pressure limiting temperature-sensing valve by the time, and the pressure limiting temperature-sensing valve is opened; Running water restarts to flow; The new running water that gets into heat collector is replaced hot water after water tank, and the pressure limiting temperature-sensing valve cuts out again, waits for the process of cold water displacement hot water next time; Hot water in water tank is full, till altitude valve is closed.From then on the description of heat transfer process can know that the heat exchange of understanding the utility model is different from the Natural Circulation heat exchange of general solar water heater, is a kind of method of replacing heat exchange.The speed of heat exchange is considerably beyond the method for Natural Circulation heat exchange.
Antifreeze working method: be meant generally that in anticipation owing to the weather reason, temperature is low, the working method of just selecting under the situation about might be frozen.Rotate the water route transfer valve to antifreeze working method, the C interface of water route transfer valve is closed, and the A interface is closed; D interface is communicated with B interface; The pressure that does not have running water in the pipeline causes breather valve because the corresponding water of connector loses pressure, and the connector of breather valve is communicated with blow vent; Open the delivery port of water tank this moment; The ducted water that links to each other with D interface is flowed out from delivery port by the sucking-off of water outlet pressurizing valve, and warm valve water inlet one side from the pressure limiting temperature-sensing valve all exhausts water to D interface like this, that is to say that the cold water pipes that the heat collector neutralization is connected with heat collector does not all have water; There do not have water just thoroughly to realize to be antifreeze; And whole process is except with the running water, and any other energy of no use has been realized the antifreeze of zero-power.
The emergency mode: this working method mainly is meant owing to all there was not the sun in continuous several days, and the hot water in the water tank very little or do not have hot water and needs water tank electricity consumption assistant heating to go out hot water can to adopt this working method.Rotate the water route transfer valve to the emergency position, C interface is communicated with the A interface, and D interface is closed, and B interface is closed.Running water is fed directly in the water tank through C interface and A interface, and after tank water was full, altitude valve was closed, and gets back to normal operation position, through the water in the electric heating water tank.
The beneficial effect of the utility model is; Do not adopt any other medium; Utilize the antifreeze and brand-new displacement heat-exchange method at a high speed of zero-power of the energy realization separated solar water heater of mechanical valve and running water itself, realize simultaneously the hot water temperature in the water tank of solar water heater is carried out the controllable type constant temperature.The parallel connected mode of breaking the normal procedure; The non-pressure-bearing memory-type attemperater pressure-bearing heat collector connected in series of the utility model; Heat collector not only can be selected electron tubes type heat collector and flat-plate collector for use, and need not be any electric energy realize position that both install can height can be low, very convenient.Other separated solar water heater the utlity model has very large cost advantage and cost performance relatively.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 be the utility model water tank last heat collector under the connection sketch map.
Fig. 2 is that the utility model water tank is descending heat collector at last connection sketch map.
201. non-pressure-bearing storage attemperaters among the figure, 202. heat collectors, 203. altitude valves, 204. pressure limiting temperature-sensing valves; 205. the water outlet pressurizing valve, 206. water route transfer valves, 207. breather valves, 301. water tank water inlets; 302. the inner water tank delivery port, 303. water tank running water inlets, 304. water outlet of water tank, the outlet of 305. water tank running water; 306. the water tank ventilation mouth, 307. tank shells, 308. water tank heat-insulation layers, 309. inner water tanks; 310. the heat collector cold water inlet, the outlet of 311. heat collector hot waters, 312. hot-water lines, 313. water tank satellite interfaces.
The specific embodiment
Among Fig. 1, non-pressure-bearing storage attemperater (201) is installed in the higher relatively position of heat collector (202), and this kind installation site generally is used in split balcony wall-hanging solar water heater.Part among the figure more than the chain-dotted line is installed in indoor, and the part below the chain-dotted line is installed in outdoor; Indoor section is not generally considered antifreeze problem, and outdoor part need be considered antifreeze.Below for describing succinct consideration, non-pressure-bearing storage attemperater (201) is with being reduced to water tank (201).
Among the figure; After interconnecting through water pipe, altitude valve (203), water outlet pressurizing valve (205) and water route transfer valve (206) take to be embedded in the water tank (201); Become as a whole with water tank (201); The Gear-shift switch of water route transfer valve (206) is arranged on the panel of water tank (201), is convenient to operation; These valve bodies become with water tank (201) as a whole after; For water tank (201), have following several interfaces at least: water tank water inlet (301); Water outlet of water tank (304), water tank running water inlet (303), water tank running water outlet (305); Water tank ventilation mouth (306), water tank satellite interface (313).Wherein water tank satellite interface (313) can set one or more according to demand.It is external in water tank (201) outside through water pipe connection back that the utility model does not repel these valves yet, independent separately.
Water pipe in water tank (201) body connects; Water tank running water inlet (303) gets into and divides two-way in the water tank; One of which; Be connected to the inflow entrance of water outlet pressurizing valve (205) through water pipe, the flow export of water outlet pressurizing valve (205) connects water tank outlet (304), and the water sucking mouth of water outlet pressurizing valve (205) links to each other with the D interface of water route transfer valve (206); Its two, link to each other through the water inlet of water pipe with altitude valve (203), the delivery port of altitude valve (203) links to each other with the C interface of water route transfer valve (206) through water pipe; The A interface of water route transfer valve (206) and inner water tank delivery port (302) link together, and the B interface of water route transfer valve (206) and water tank running water outlet (305) link together.
Water tank (201) body is with the connection of outer water pipe; Running water links together through water pipe and water tank running water inlet (303); Water tank running water outlet (305) links together through the heat collector cold water inlet (310) of water pipe and heat collector (202); Heat collector hot water outlet (311) connects a three-way pipe; The intermediary interface of three-way pipe connects a breather valve (207), and the opposite side of three-way pipe connects a pressure limiting temperature-sensing valve (204), and the opposite side of pressure limiting temperature-sensing valve (204) connects water tank water inlet (301) through water pipe; Water outlet of water tank (304) is through water pipe water receiving tap.
Connect from above water pipe, see on the profile, also have two tube connectors between heat collector (202) and the water tank (201), one is that the running water outlet (305) of water tank is connected with the heat collector cold water inlet (310) of heat collector (202) through water pipe; Another root is that the heat collector hot water outlet (311) of heat collector (202) is connected with the water tank water inlet (301) of water tank (201) through water pipe; But in logic; Have only a water pipe to be connected between the inner water tank (309) of heat collector (202) and water tank (201); Instant heating water pipe (312) has been participated in the heat exchange between heat collector (202) and the water tank (201); Whole system have this only this participate in heat exchange, another root water pipe is that physical connection is not participated in heat exchange between the two, still is a kind of the series connection between heat collector (202) and the water tank (201) in logic therefore.This be the utility model with conventional solar boilers heat collector and water tank between exist the heat exchanger channels more than two or two different fully, be parallel way between traditional heat collectors for solar water heater and the water tank.
The course of work of the utility model, duty, the gear of water route transfer valve (206) is placed on " work " state, and C interface is communicated with B interface, and D interface is communicated with the A interface.The black solid line of band arrow in the diagram; Running water flow into the water inlet of altitude valve (203) through water tank running water inlet (303), because the water tank middle water level is discontented, the valve of altitude valve (203) is opened all the time; Running water flows out from the delivery port of altitude valve (203); Flow into the C interface of water route transfer valve (206) through water pipe, flow out, flow to water tank running water outlet (305) from B interface; The water that comes out from water tank running water outlet (305) flow into heat collector cold water inlet (310) through water pipe; Flow out from heat collector hot water outlet (311) through heat collector (202), because the pressure of running water itself makes breather valve (207) close, the temperature of running water does not reach the intended valve of pressure limiting temperature-sensing valve (204) and opens temperature; Pressure limiting temperature-sensing valve (204) valve-off is trapped in running water and stops in the heat collector flowing.
Water in heat collector (202) constantly absorbs the temperature that solar energy adds hot water through heat collector, when the temperature of water is heated to the valve opening predetermined temperature of pressure limiting temperature-sensing valve (204), valve open; Running water restarts to flow; The running water of newly coming in arrives preservation in the water tank (201) to already heated water displacement through the energy of self, because the running water temperature of newly coming in is low, makes the valve of pressure limiting temperature-sensing valve (204) close again simultaneously; Running water stops to flow; Wait for the process of cold water displacement hot water next time,, close the process that altitude valve (203) just stops this displacement heat exchange until the hot water in the water tank is full.Method heat transfer rate and heat exchange efficiency that the method for this displacement heat exchange is compared the heat exchange of conventional solar boilers nature all have very huge raising, and the water temperature in the water tank is confirm controlled.
Antifreeze state, the gear of water route transfer valve (206) is placed on " antifreeze " state, and D interface is communicated with B interface, and C interface is closed, and the A interface is closed; Owing to lose the pressure of running water in the pipeline, make the valve open and the atmosphere of breather valve (207).The dotted line of band arrow in the diagram; Open the water valve in water outlet of water tank (304) pipeline; Make the water of coming in from water tank running water inlet (303) flow through water outlet pressurizing valve (205) fast, water outlet pressurizing valve (205) produces suction in the water sucking mouth, the whole sucking-offs of ducted water that are communicated with D interface; All find time antifreeze possibly water pipe and heat collector, thoroughly realize antifreeze.In the case, hot-water line (312) is because the existence of pressure limiting temperature-sensing valve (204), and this section water pipe is not emptying; Because the hot water in this section water pipe upper accepting water case (201); Add upper hose and carry out the insulation measure, be not easy first to freeze, though the two frozen water pipe can be not freezing yet.Whole process has no other energy to participate in except running water is participated in, and realizes zero-power.
Emergency rating, the gear of water route transfer valve (206) is placed on " meeting an urgent need " state, and C interface is communicated with the A interface, and B interface and D interface are closed.When having hot water or hot water not enough very little in water tank, this kind situation just do not use; The running water of not heating through heat collector directly gets into water tank; These get into the cold water of water tank (201); Normal conditions need electric assistant heating, and the water tank (201) that is equivalent to this moment just becomes electric heater.The emergency rating topped up with water just can be got back to " work " state later, through electrical heating water, brings into use hot water then.
Shown in Figure 2, be that the relative literal of heat collector (202) installation is higher than the position of water tank (201), this kind installation site can be applied in heat collector (202) and be installed in the roof, and water tank (201) is installed in indoor.Connected mode is identical with Fig. 1 with method of work no longer to be described, unique different be that hot-water line (312) the inside does not have water usually except in displacement hot water, having water to flow through, this water pipe need not considered antifreeze.
In sum, a kind of series connection displacement constant temperature anti-freezing solar water heater, the heat collector non-pressure-bearing memory-type attemperater that is connected in series, the simple relative position that both install of framework can height can be low; Cooperation through mechanical valve and utilize the energy of running water itself to realize that zero-power is antifreeze adopts brand-new displacement heat-exchange method to realize high-speed high efficiency heat exchange; Controlled water temperature in the water tank can be scheduled to, and the utilization rate of hot water reaches very.Compare conventional solar boilers and have very large cost performance.
The basic principle and the principal character of the utility model have more than been set forth; The utility model does not receive the restriction of implementing regulations; Improvement of under the prerequisite of basic principle that does not break away from the utility model and principal character, having done and variation all should fall in the protection domain of the utility model.
Claims (7)
1. a series connection displacement constant temperature anti-freezing solar water heater is characterized in that: the pipeline composition that comprises non-pressure-bearing memory-type attemperater, pressure-bearing heat collector, breather valve, pressure limiting temperature-sensing valve, altitude valve, water route transfer valve, water outlet pressurizing valve and connect each several part; Attemperater and heat collector adopt connected in series, promptly have only a logic to be connected pipeline between inner water tank and the heat collector, and breather valve is installed in the hot water exit of heat collector, and then connection pressure limiting temperature-sensing valve; Running water at first enters into heat collector later on through altitude valve and water route transfer valve, in heat collector, is heated in the non-pressure-bearing memory-type attemperater of cold water displacement entering that just permission is newly got into behind the predetermined temperature to be stored; Altitude valve, water route transfer valve and water outlet pressurizing valve are connected through corresponding water pipe in the heat-insulation layer that can be embedded in water tank with water tank and constitute an integral body, also can be external outside water tank.
2. according to right 1 described a kind of series connection displacement constant temperature anti-freezing solar water heater, it is characterized in that: described altitude valve has two interfaces, water inlet and delivery port, and the running water inlet of water inlet water receiving case, delivery port is connected with the C mouth of water route transfer valve.
3. according to right 1 described a kind of series connection displacement constant temperature anti-freezing solar water heater, it is characterized in that: described water route transfer valve has four interfaces, is respectively A interface, B interface, C interface, D interface; The delivery port of A interface and memory-type condenser hot well liner links together, and B interface is the running water outlet of water tank, and the delivery port of C interface and altitude valve links together, and the water sucking mouth of D interface and water outlet pressurizing valve links together; Different gears through the water route transfer valve are realized annexations different between four interfaces, have normal, antifreeze, emergent three duties.
4. according to right 1 described a kind of series connection displacement constant temperature anti-freezing solar water heater; It is characterized in that: described water outlet pressurizing valve has three interfaces; Be respectively inflow entrance, flow export and water sucking mouth; The running water inlet of inflow entrance through water pipe and water tank links together, the delivery port of flow export and water tank together, the D mouth of water sucking mouth and water route transfer valve links together.
5. according to right 1 described a kind of series connection displacement constant temperature anti-freezing solar water heater; It is characterized in that: described breather valve has a connector and blow vent; Connector is serially connected in the hot water exit of heat collector, the warm valve water inlet of another side joint pressure limiting temperature-sensing valve of three-way pipe through a three-way pipe.
6. according to right 1 described a kind of series connection displacement constant temperature anti-freezing solar water heater; It is characterized in that; Described pressure limiting temperature-sensing valve has two interfaces; Be respectively warm valve water inlet and warm valve delivery port, up connection of warm valve water inlet and breather valve three-way pipe together, warm valve delivery port connect the water inlet of water tank through water pipe.
7. according to the described a kind of series connection displacement constant temperature anti-freezing solar water heater of right 1, it is characterized in that, the relative position of the heat collector installation of non-pressure-bearing memory-type attemperater and pressure-bearing can height can be low, each link position that valve is installed is constant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220085021 CN202470495U (en) | 2012-03-08 | 2012-03-08 | Series-connected replacement constant temperature antifreezing solar water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220085021 CN202470495U (en) | 2012-03-08 | 2012-03-08 | Series-connected replacement constant temperature antifreezing solar water heater |
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| Publication Number | Publication Date |
|---|---|
| CN202470495U true CN202470495U (en) | 2012-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220085021 Expired - Lifetime CN202470495U (en) | 2012-03-08 | 2012-03-08 | Series-connected replacement constant temperature antifreezing solar water heater |
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| CN (1) | CN202470495U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589165A (en) * | 2012-03-08 | 2012-07-18 | 徐何燎 | Series-type displacing constant-temperature anti-freezing solar water heater system |
| CN102878703A (en) * | 2012-11-05 | 2013-01-16 | 徐何燎 | Brand new dual-pressure split type solar water heater system |
-
2012
- 2012-03-08 CN CN 201220085021 patent/CN202470495U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589165A (en) * | 2012-03-08 | 2012-07-18 | 徐何燎 | Series-type displacing constant-temperature anti-freezing solar water heater system |
| CN102878703A (en) * | 2012-11-05 | 2013-01-16 | 徐何燎 | Brand new dual-pressure split type solar water heater system |
| CN102878703B (en) * | 2012-11-05 | 2014-08-06 | 徐何燎 | Brand new dual-pressure split type solar water heater system |
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