CN102809227B - Economical solar heat collection system for supplying warm and heat - Google Patents
Economical solar heat collection system for supplying warm and heat Download PDFInfo
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- CN102809227B CN102809227B CN201210304840.8A CN201210304840A CN102809227B CN 102809227 B CN102809227 B CN 102809227B CN 201210304840 A CN201210304840 A CN 201210304840A CN 102809227 B CN102809227 B CN 102809227B
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Abstract
An economical solar heat collection system for supplying warm and heat, via a water pipe and valves in the pipe, the system connects the following four components in series: a heat collector group, a heat storage water tank, a heat radiator group and a spare water tank. A high temperature control device is connected in series between the heat collector group and the heat storage water tank to realize the constant temperature replacement heat exchange; a water outlet of the heat radiator group is connected with a low temperature control device, so that the constant temperature replacement heat radiation between the heat storage water tank and the heat radiator group can be realized; the heat exchange and radiation efficiencies are quite high; and the whole system only adopts one single aqueous medium to perform heat absorption and radiation. The whole system has the advantages of simple structure, changeable size, low cost, safety and reliability. The system not only can conveniently provide hot water, but also can economically supply heat. The whole system is low in investment and has a quite wide application prospect.
Description
Technical field
The present invention relates to a kind of solar thermal collection system simultaneously having for warm heat supply function, belong to solar thermal applications field.
Background technology
Along with people are to the improving constantly of environmental consciousness, the utilization of solar energy resources is also more and more extensive.With respect to the popularization and application of solar water heater, the range of application of solar energy aspect heating is just smaller.Crucial problem is that the framework investment of pressing on the one hand current solar heating is too large, has a strong impact on the popularization in market; On the other hand, owing to locking into, winter temperature is low, and the heating of solar energy often cannot meet people's demand.The heating solution that the overwhelming majority is considered is at present the heating in winter that solves northern area, because the temperature in northern area winter is very low, the requirement of heating is just higher, not only need the thermal-arrest of larger area, and also have higher requirement for building heat preservation, so virtually drop into just larger.And the northern area of the vast non-severe cold of China also has the requirement of heating to winter, but that country does not have corresponding energy policy to carry out is supporting, and every household just all adopts power consumptions to warm oneself substantially.There is and there is no a kind of fairly simple framework, can suit measures to local conditions, invest solar thermal collection system little, easy to install in the situation that solving heat supply, have residual heat heating concurrently, thereby solve the heating in this type of area.
Summary of the invention
The technical scheme that the present invention solves its technical problem employing is, have the economical solar thermal collection system for warm heat supply concurrently, this system comprises heat collector group, thermal storage water tank, radiator panel, buffer tank, high-temperature control device, low temperature attemperating unit, transfer valve and connects the waterway pipe of each several part, various parts adopts connected in series, adopts constant temperature displacement heat exchange between heat collector group and thermal storage water tank, adopts constant temperature displacement heat radiation between thermal storage water tank and radiator panel, the water route order of connection is, running water is connected to the water inlet interface end of transfer valve by water pipe, the water outlet mouthpiece end of transfer valve is connected to the water inlet of heat collector group, the delivery port of heat collector group is connected to high-temperature control device, the other end of high-temperature control device is connected to thermal storage water tank's water inlet by water pipe, thermal storage water tank's delivery port connects a three-way pipe, one end of three-way pipe is connected to the pipeline with hot water by Water gate valve, the other end is connected to the water inlet of radiator panel by Water gate valve and water pipe, the delivery port of radiator panel connects a low temperature attemperating unit, the other end of low temperature attemperating unit is connected to the mouth of a river that is recycled into of buffer tank, the circulating outlet of buffer tank is connected to the water suction interface end of transfer valve.Antifreeze for realizing system, have unidirectionally by function if be arranged on the high-temperature control device of heat collector group delivery port, can and connect at the two ends of high-temperature control device a reverse voltage-controlled check valve.
Heat collector group wherein, at least has a water inlet and a delivery port, can be single heat collector, can be also the heat collector group that multiple heat collectors form by serial or parallel connection; Heat collector can be vacuum tube collector, can be also flat plate collector; Heat collector series connection is exactly the water inlet using the water inlet of first heat collector as heat collector group, the delivery port of first heat collector is connected with second heat collector water inlet, the delivery port of second heat collector is connected with next heat collector water inlet, the rest may be inferred, and to the last the delivery port of a heat collector is as the delivery port of heat collector group; Heat collector is in parallel to link together each the heat collector water inlet in heat collector group as the water inlet of heat collector group exactly, and each heat collector delivery port is linked together as the delivery port of heat collector group.
Thermal storage water tank is wherein a three-decker, comprises inner bag, heat-insulation layer and shell, can be non-press-bearing water tank or semiconfined water case; In the inner bag of semiconfined water case, there is a water-level control apparatus, make this thermal storage water tank water under any state can not be full of whole inner bag, all the time there is the air cavity of a definite minimum volume to exist, there is water inlet, delivery port, inflatable interface, ventilation mouth and more than one satellite interface, inflatable interface connects inflator pump, and ventilative interface is installed a safety valve; Non-pressure water tank has water inlet, delivery port, overfall, ventilation mouth and more than one satellite interface, and delivery port connects a water pump.Satellite interface comprises electric satellite interface, sensor interface, emergent water inlet etc.Wherein be arranged on the inflator pump of thermal storage water tank's inflatable interface, can automatically open inflation or stop inflation according to the pressure of thermal storage water tank's air cavity part, main function is thereby that air-chamber pressing in thermal storage water tank is realized indirectly to the water pressurization in water tank, and making from thermal storage water tank's delivery port is a kind of water with pressure; Same principle, also can connect a water pump at thermal storage water tank's delivery port and realize, and this is a kind of known general knowledge.Wherein be arranged on the safety valve of the ventilative interface of thermal storage water tank, the opening pressure value of valve, determines the maximum pressure that thermal storage water tank can bear while work; exceed this pressure, the safety valve decompression protection thermal storage water tank that breathes freely, in particular cases; if negative pressure appears in water tank, safety valve needs to supplement in time atmosphere.
Wherein radiator panel, adopts low-temperature radiator, at least has a water inlet and a delivery port, can be single radiator, can be also the radiator group that multiple radiators form by serial or parallel connection; Radiator tandem is exactly the water inlet using the water inlet of first radiator as radiator panel, the delivery port of first radiator is connected with second water inlet of radiator, the delivery port of second radiator is connected with next water inlet of radiator, the rest may be inferred, and to the last the delivery port of a radiator is as the delivery port of radiator panel; Radiator is in parallel to link together each water inlet of radiator in radiator panel as the water inlet of radiator panel exactly, and each radiator outlet is linked together as the delivery port of radiator panel.
Wherein buffer tank, is a kind of non-pressure attemperater, has three-decker, comprises inner bag, heat-insulation layer and shell, has the mouth of a river of being recycled into, circulating outlet, ventilation mouth, overfall and at least more than one satellite interface.The effect of this buffer tank is water saving on the one hand, and the water at low temperature flowing out from radiator panel can be used for the second time; Waste heat in water at low temperature out can be re-injected in heat collector group and is re-used by transfer valve on the other hand.In order to strengthen the discharge that enters heat collector group of circulating outlet, or in the very large situation of whole system, can be connected in series a water pump detecting with current at circulating outlet.If do not consider the recycling of water saving and waste heat, this buffer tank can omit in system, but water can flow out native system in heating.
Wherein between heat collector group and thermal storage water tank, adopt constant temperature displacement heat exchange, refer between heat collector group in system and thermal storage water tank, adopt connected in series, between heat collector group and thermal storage water tank, there is and only has a heat exchanger channels, running water first flow in heat collector group by valve later, because the water temperature in heat collector group does not reach the open temp of heat collector group water outlet high-temperature control device, running water is trapped in heat collector group, running water is no longer mobile, by the time owing to absorbing solar energy, water temperature rises to the open temp of high-temperature control device, high-temperature control device is opened, running water flows again, running water relies on own energy own, water in heat collector group is pressed in thermal storage water tank fast, by the time when the running water newly entering flows to high-temperature control device, because water temperature is low, making high-temperature control device again close running water stops flowing, the new running water flowing into is trapped in to be waited for heating by new cold water in heat collector group next time and replaces, and heated water has all flow into insulation storage in thermal storage water tank, and so forth, until thermal storage water tank is full.A complete constant temperature displacement heat exchange that Here it is.The height of constant temperature determines the opening and closing predetermined temperature of high-temperature control device, displacement is exactly that cold water relies on self energy the water having heated is replaced in thermal storage water tank, oneself stay in heat collector group and wait for displacement next time, this is a kind of process of cold water displacement hot water.In this heat-exchange method, do not arrive the water of predetermined temperature, unless external force intervention, system is can not flow in thermal storage water tank.This heat exchange course of work is different from Natural Circulation heat exchange in the market and connection and the working mechanism of forced circulation heat exchange completely.
Between thermal storage water tank wherein and radiator panel, adopt constant temperature displacement heat radiation, refer between radiator panel in system and thermal storage water tank, to adopt connected in seriesly, between thermal storage water tank and radiator, have and only have a heat dissipation channel, thermal storage water tank is an attemperater with air cavity, and the inflator pump of inflatable interface can make air cavity preserve all the time a stable air pressure, and the hot water in thermal storage water tank can be pressed in radiator panel, thermal storage water tank is a kind of non-pressure attemperater, at the water outlet of water tank, a water pump detecting with current is installed, pump startup when water flow, and when water stops, pump stops, and pump startup is drawn in radiator panel the hot water in thermal storage water tank, delivery port at radiator panel is installed a low temperature attemperating unit, because the temperature of water is high, do not reach the open temp of low temperature attemperating unit, hot water is trapped in and in radiator panel, carries out heat release, the temperature of the water in radiator panel constantly declines, when water temperature is reduced to the open temp of low temperature attemperating unit, hot water starts again to flow, the water of low temperature is flow in buffer tank, and in the time that the water of high temperature flows to low temperature attemperating unit, because water temperature is high, low temperature attemperating unit is closed again, hot water is no longer mobile, being trapped in hot water in radiator waits for that heat radiation turns cold and is replaced by new hot water, and so forth, until thermal storage water tank's sky.This is a complete constant temperature displacement heat radiation.This constant temperature displacement heat radiation is different from circulation cooling mode and the working mechanism on market.
High-temperature control device wherein, the mechanical valve that can be a kind of monomer is that high-temperature control valve completes, or adopts the combination of temperature detect switch (TDS) and magnetic valve to complete, or adopts temperature sensor to coordinate controller to complete with magnetic valve combination; While adopting monomer mechanical valve to be high-temperature control valve, there are two interfaces, utilize the metal material of warming effect to make, be arranged on the water outlet of heat collector group; While adopting the combination of temperature detect switch (TDS) and magnetic valve, temperature detect switch (TDS) is arranged on the water outlet of heat collector group, and magnetic valve is serially connected on the passage that running water enters heat collector group water inlet, and two cables of temperature detect switch (TDS) are connected in series in the line interface of magnetic valve; While adopting temperature sensor to coordinate controller with magnetic valve combination, temperature sensor is arranged on the water outlet of heat collector group, the cable of temperature sensor is connected on the corresponding interface of controller, magnetic valve serial connection is arranged on the passage that running water enters heat collector group water inlet, and the control cable of magnetic valve is connected on the corresponding interface of controller.
Low temperature attemperating unit wherein, the mechanical valve that can be a kind of monomer is that low temperature temperature-sensing valve completes, and also can adopt the combination of temperature detect switch (TDS) and magnetic valve to complete, or temperature sensor coordinates controller to complete with magnetic valve combination; While adopting monomer mechanical valve to be low temperature temperature-sensing valve, there are two interfaces, utilize the metal material of warming effect to make, be arranged on the water outlet of radiator panel; While adopting the combination of temperature detect switch (TDS) and magnetic valve, temperature detect switch (TDS) is arranged on the water outlet of radiator panel, magnetic valve is serially connected in thermal storage water tank's delivery port hot water and enters radiator panel to flowing out on the waterway channel of radiator panel, and two cables of temperature detect switch (TDS) are connected in series in the line interface of magnetic valve; While adopting temperature sensor to coordinate controller with magnetic valve combination, temperature sensor is arranged on the water outlet of radiator panel, the cable of temperature sensor is connected on the corresponding interface of controller, magnetic valve is serially connected in thermal storage water tank's delivery port hot water and enters radiator panel to flowing out on the waterway channel of radiator panel, and the control cable of magnetic valve is connected on the corresponding interface of controller.
Transfer valve wherein, has A, B, C, tetra-interfaces of D, is respectively into water interface A, water outlet mouthpiece B, water suction interface C, emptying interface D; In valve, an embedded miniature Venturi tube, forms different break-make relations by rotation, have AB and be communicated with, or DB is communicated with, or CB is communicated with, or AB is logical time, and C mouth is also communicated with.
Operation principle of the present invention, following description thermal storage water tank adopts the semiconfined water case with air cavity, running water is connected to transfer valve by water pipe and flows to B interface from A interface, then flow into heat collector group by water pipe, because the coolant-temperature gage just having flowed into is low, high-temperature control device cannot be opened, water is trapped in heat collector group, running water stops flowing, heat collector group is shone by shining of the sun, constantly absorb solar energy, coolant-temperature gage in heat collector group also progressively improves, the open temp of attemperating unit but water temperature reaches a high temperature, high-temperature control device valve is opened, running water flows again, the running water newly entering relies on the energy of self, the water having heated is pushed in thermal storage water tank, but the running water newly entering flows to high-temperature control device, cause the valve of high-temperature control device again to close current stops flowing because water temperature is low, the running water newly entering is trapped in heat collector group, the water having heated enters into thermal storage water tank's insulation storage.A Here it is complete displacement heat transfer process, this process is gone round and begun again, until thermal storage water tank's water is full, till touching the level controling mechanism in thermal storage water tank.Thereby stop such displacement heat exchange action.In some situation, although thermal storage water tank is full, there is no water in solar heat collector group to remain at temperature to be not enough to open the open temp of high-temperature control device, such displacement heat exchange also can stop.
Under normal circumstances, the amount of the hot water in thermal storage water tank has to be had less more, depends mainly on heat collector group and produces hot water amount, is with pneumatic thermal storage water tank even water tank is full of hot water, the top of water tank also can retain the air cavity of certain space, determines the pressure size of air cavity at the safety valve of ventilation mouth.Water in thermal storage water tank, after delivery port, has two flow directions, can provide hot water directly to use by hot water pipeline on the one hand; On the other hand, can heat with hot water.Open the water valve of hot duct, thermal storage water tank is under the effect of air pressure, hot water flow into radiator panel by pipeline, in the time that hot water flows to the low temperature attemperating unit of radiator panel delivery port, high-temperature water makes low temperature attemperating unit valve closing, hot water stops flowing to, hot water is trapped in radiator panel, dispel the heat, along with constantly heat radiation, the temperature of the water in radiator panel constantly declines, when water temperature drops to the open temp of low temperature attemperating unit, valve opening, hot water restarts to flow, and this is a kind of process of complete constant temperature displacement heat radiation.This process is gone round and begun again, until thermal storage water tank's hot water all flows sky or because environment temperature is high, till no longer replacing heat radiation.This is also a complete procedure that adopts solar energy to heat.In like manner, supplying hot water, as long as open the water valve in hot water line, the hot water in thermal storage water tank is under the effect of air pump air pressure, hot water flows out continuously.In the process flowing out at whole thermal storage water tank's hot water, air pump can be inflated according to the pressure-activated air pump of thermal storage water tank's air cavity automatically, guarantees a suitable air pressure of thermal storage water tank's air cavity.
Pressure distribution of the present invention, the pressure of running water is greater than thermal storage water tank's air cavity pressure, and thermal storage water tank's air cavity pressure is greater than the pressure of buffer tank, guarantees that the pressure exceeding enough makes water flow to next operating point simultaneously.The water at low temperature flowing out by heat transmission gas flow into buffer tank and preserves utilization.Water in buffer tank, on the one hand directly makes to use up by the assisting water outlet of buffer tank, also can pass through circulating outlet, then is re-entered heat collector group by the water suction interface suction of transfer valve and recycles.
The scheme of preventing freeze in winter of the present invention, solar thermal collection system is outdoor because heat collector group and corresponding pipeline are arranged on, and when subzero, must consider antifreeze problem at outside air temperature, antifreeze solution of the present invention is, in the time adopting monomer machinery temperature-sensing valve, need the artificial transfer valve that rotates, BD is communicated with, so the water in the piping outside the house is under the effect of air pressure, all flowed out from the D interface of transfer valve, whole like this yard piping and heat collector group are all emptying anhydrous, thereby realize antifreeze.If attemperating unit adopts the combination of temperature detect switch (TDS) or temperature sensor and magnetic valve, coordinate controller to complete, can realize automatic-discharging antifreeze, when temperature is reduced to a predetermined value, open corresponding magnetic valve exactly, realize evacuation and anti-freezing.
The difference of the present invention and in the market corresponding system is as follows: first, system architecture is different, in market, the overwhelming majority all adopts parallel join mode, be between heat collector group and thermal storage water tank, or between thermal storage water tank and radiator panel, all adopt parallel join, be exactly that heat exchange or heat radiation all have two passages at least; The second, heat exchange mode is different, substantially all adopting Natural Circulation heat exchange or utilizing the heat exchange of water pump forced circulation in market; The 3rd, radiating mode is different, in market, substantially all adopts water pump circulation cooling; The 4th, thermal storage water tank's inside structure is different, the heating thermal storage water tank that market is general, and thermal storage water tank inside all adopts courage mode in coil pipe mode or chuck mode or courage, and cost is very high; The 5th, the auxiliary accessory of system requirements is different, and the system generally with solar heating function has the water pump of two above (comprising two) and the cooperation of multiple magnetic valves just can complete.
The invention has the beneficial effects as follows, system is by the valve in water pipe and pipeline, heat collector group, thermal storage water tank, radiator panel, the large parts of buffer tank four are carried out connected in series, between heat collector group and thermal storage water tank, be connected in series a high-temperature control device and realize constant temperature displacement heat exchange, connect a low temperature attemperating unit at radiator panel delivery port, making to realize constant temperature displacement between thermal storage water tank and radiator panel dispels the heat, heat exchange and radiating efficiency are high, and whole system only adopts that single aqueous medium absorbs heat, heat release.Whole system framework is very simple, and cost is low, safe and reliable.System not only can conveniently provide hot water, and can heat very economically.Whole system makes minuscule investment, and has boundless application prospect.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Fig. 1 is system architecture schematic diagram of the present invention.
Fig. 2 adopts temperature detect switch (TDS) and magnetic valve to replace the connection diagram of high-temperature control device.
Fig. 3 adopts temperature sensor, magnetic valve and controller to replace the connection diagram of high-temperature control device.
101. heat collector groups in figure, 102. thermal storage water tanks, 103. radiator panels, 104. buffer tanks, 105. inflator pumps, 106. high-temperature control devices, 107. low temperature attemperating units, 108. transfer valves, 109. safety valves, 110. water-level control apparatus, 112. Water gate valves, 113. voltage-controlled check valves, 130. temperature detect switch (TDS)s, 131. magnetic valves, 132. cables, 140. controllers, 141. temperature sensors; 201. running water water inlets, 202. heat collector group water inlets, 203. heat collector group delivery ports, 204. thermal storage water tank's water inlets, 205. thermal storage water tank's delivery ports, 206. pipeline thermal water outs, 207. radiator panel water inlets, 208. radiator panel delivery ports, 209. buffer tank loop heads, 210. buffer tank loop exits, 220. buffer tank satellite interfaces, 221. buffer tank ventilation mouths, 224. thermal storage water tank's satellite interfaces, 230. emptying delivery ports.
The specific embodiment
In Fig. 1, high-temperature control device (106) and low temperature attemperating unit (107) all adopt the connection diagram of the mechanical temperature-control valve of monomer; Connection diagram when high-temperature control device (106) adopts temperature detect switch (TDS) (130) with magnetic valve (131) combining structure in Fig. 2; High-temperature control device (106) in Fig. 3 adopts temperature sensor (141) and magnetic valve (131), coordinates the connection diagram of controller (140).The connection diagram of another two kinds of Combination application of low temperature attemperating unit (107) and Fig. 2, Fig. 3 are similar no longer with figure signal.Following description is take Fig. 1 as main.
Connection in figure, running water water inlet (201) is connected with the A interface of transfer valve (108) by water pipe, the B interface of transfer valve (108) links together by water pipe and heat collector group water inlet (202), heat collector group delivery port (203) connects a high-temperature control device (106), the other end of high-temperature control device (106) links together by water pipe and thermal storage water tank's water inlet (204), thermal storage water tank's delivery port (205) connects a three-way pipe, three-way pipe one end is connected to pipeline thermal water out (206) by water pipe and Water gate valve (112), the other end of three-way pipe is connected to radiator panel water inlet (207) by a Water gate valve (112), radiator panel delivery port (208) is connected to a low temperature attemperating unit (107), the other end of low temperature attemperating unit (107) is connected to buffer tank loop head (209) by water pipe, buffer tank loop exit (210) is connected to the C interface of transfer valve (108) by water pipe.A voltage-controlled check valve of three-way pipe parallel join (113) is passed through at two ends at high-temperature control device (106); A water-level control apparatus (110) is installed in thermal storage water tank's (102) inside, and thermal storage water tank's (102) inflation inlet is installed an inflator pump (105), and thermal storage water tank's (102) ventilation mouth is installed a safety valve (109).
According to diagram, the operation principle of constant temperature displacement heat exchange of the present invention is, running water flows into from running water water inlet (201) by water pipe, under normal circumstances, the A interface of transfer valve (108) is communicated with B interface, running water just flows out from B interface, flow into and enter into heat collector group (101) from heat collector group water inlet (202) by water pipe, in the time that current flow into heat collector group delivery port (203), because the temperature of running water is low, cannot make the valve open of high-temperature control device (106), running water is trapped in heat collector group (101), running water stops flowing.Heat collector group (101) is by constantly absorbing solar energy, making the middle water of heat collector group (101) obtain temperature constantly rises, when water temperature rises to the valve open of opening high-temperature control device (106), running water restarts rapid flow, rely on the water energy of self, in heat collector group (101) heated water push into fast insulation storage in thermal storage water tank (102), when the running water of new inflow flow into high-temperature control device (106) because water temperature is low, make the valve closing of high-temperature control device (106), running water stops flowing, the course of work of a complete displacement heat exchange that Here it is.The running water newly entering is trapped in wait displacement heat exchange next time in heat collector group (101).Until water inlet is closed in water-level control apparatus (110) startup that thermal storage water tank's (102) full-water level is touched in thermal storage water tank (102), stop into water and displacement heat exchange.This process is by solar energy production hot water the process of preserving hot water.
The operation principle of constant temperature displacement heat radiation of the present invention is, hot water is preserved in thermal storage water tank (102), this thermal storage water tank (102) is a kind of insulation heat storage water tank with air cavity, and the inflator pump (105) of installing on the safety valve (109) of installing on thermal storage water tank's (102) ventilation mouth and inflatable interface makes air cavity preserve the pressure in a metastable scope.Open the Water gate valve (112) in hot channel, hot water in thermal storage water tank (102) is under the pressure of air pressure, hot water flows out from thermal storage water tank's delivery port (205), flow in heat transmission gas device group (103) by pipeline, flow of hot water is crossed radiator panel (103) and is flowed out from radiator panel delivery port (208), flow in low temperature attemperating unit (107), because the temperature of current is high, cause the valve closing of low temperature attemperating unit (107), hot water stops flowing, hot water is all trapped in radiator panel (103) and dispels the heat, when the carrying out along with heat radiation, the regional temperature of heat sink attachment rises, the temperature of the interior water of radiator panel (103) constantly declines, water temperature drops to the valve open in low temperature attemperating unit (107), hot water restarts to flow, water at low temperature is flow in buffer tank (104) and is preserved by low temperature attemperating unit (107), when the hot water of high temperature flows in low temperature attemperating unit (107) again, the valve of low temperature attemperating unit (107) is closed again, hot water stops flowing.So go round and begin again, until the complete work that just stops this constant temperature displacement heat radiation of flow of hot water in thermal storage water tank (102).The height of constant temperature determines the temperature of intended valve open and close in low temperature attemperating unit (107).This process is constantly by cold water in the hot water displacement radiator in thermal storage water tank (102), the constantly process of heat radiation heating.
The operation principle of constant temperature supplying hot water of the present invention, open hot water in Water gate valve (112) thermal storage water tank (102) in the hot water pipeline of heat supply under the effect of air pressure, hot water, by hot water pipeline flowing into pipeline hot water outlet (206), flows out by mixed water valve or tap, brings into use.Because the hot water in thermal storage water tank (102) is a kind of hot water of definite temperature, so the hot water flowing out in hot water pipeline is also a kind of hot water of definite temperature.In particular cases, the water in buffer tank (104) also can pass through the corresponding delivery port of buffer tank (103) and flow out, and also can be used, but water in buffer tank (103) is a kind of by the water at low temperature after heat radiation.This process is exactly the process of heat supply of the present invention.
Antifreeze operation principle of the present invention, because the heat collector group (101) of solar energy is all arranged on outdoor, just must consider the antifreeze solution at the piping outside the house and heat collector, of the present invention antifreeze, the main air pressure evacuation and anti-freezing that adopts, in the time that needs are antifreeze, rotating transfer valve (108) makes B interface be communicated with D interface, D interface is directly communicated with emptying delivery port (230) by water pipe, air pressure in thermal storage water tank (102) makes outdoor water pipe be pressed towards emptying delivery port (230) by the water in voltage-controlled check valve (113) and heat collector group (101) to carry out emptying, thereby realize antifreeze.If use magnetic valve and temperature sensor, controller, the system that can realize automatically realizes antifreeze and normal work, does not need manually to rotate transfer valve (108) and realizes.Magnetic valve is directly articulated in the water inlet pipeline of heat collector group (101) by a three-way pipe, then realizes such function by controller.
Water reuse after the present invention's heat radiation, water after heat radiation is in buffer tank (104), be connected with the C interface of transfer valve (108) by buffer tank loop exit (210), by rotating transfer valve (108), start the built-in miniature Venturi tube of transfer valve (108), make in the time that running water flows to B interface from A interface, produce negative-pressure sucking at C interface place, water in buffer tank (104) water tank is sucked to transfer valve (108), and running water flow in the lump and in heat collector group (101), is reheated utilization.Such jockey, on the one hand water being fully utilized does not waste, and also there is waste heat in the water after heat radiation on the other hand, and the heat of the water of these waste heats is also fully utilized.
In Fig. 2, that high-temperature control device (106) adopts temperature detect switch (TDS) (130) and magnetic valve (131) to combine the connection diagram realizing, that is to say that temperature detect switch (TDS) (130) and magnetic valve (131) have combined the function of high-temperature control device (106), running water water inlet (201) is first connected in series a magnetic valve (131) by water pipe, and temperature detect switch (TDS) (130) is arranged on the heat collector group delivery port (203) of heat collector group (101) and locates.Two connection cables of temperature detect switch (TDS) (130) are connected in series in a terminated line of magnetic valve (131), that is to say that whether the electromagnetic valve in magnetic valve (131) is opened or close, and determines whether two connector lugs of temperature detect switch (TDS) (130) are communicated with or disconnect completely.The course of work that these two combinations realize high-temperature control device (106) is, when the temperature in the exit of heat collector group (101) reaches a predetermined value, two binding posts of temperature detect switch (TDS) (130) are communicated with, the valve open of magnetic valve (131), and running water flows into, in the time that the running water of new inflow flows to temperature detect switch (TDS) (130), because water temperature is low, two binding posts of temperature detect switch (TDS) (130) are disconnected, magnetic valve (130) power-off, electromagnetic valve is closed, and running water is no longer mobile.Similarly low temperature attemperating unit (107) also can adopt the temperature detect switch (TDS) of a low temperature and magnetic valve to combine, and connected mode and principle are similar, no longer draw, but the technical staff of the industry should be appreciated that such application in figure.
In Fig. 3, be that high-temperature control device (106) adopts temperature sensor (141), magnetic valve (131) and controller (140) three to coordinate.Magnetic valve (131) is similar, different with installation site and Fig. 2 of temperature sensor (141), and it is upper that the cable of temperature sensor (141) is connected to controller (141), and the cable of magnetic valve (131) is also connected on controller (140).Because controller (140) is an electronic installation with CPU, there is corresponding sensor interface and solenoid control interface, and control the interfaces such as air pump, electrons heat.Its operation principle is, controller (140) constantly reads the data of each sensor, comprise the temperature data of temperature sensor (141), in the time that the temperature data reading reaches a predetermined value, controller (140) is controlled the valve open of magnetic valve (131), and running water starts to flow, when the temperature that reads temperature sensor (141) is lower than a predetermined value, controller (140) is controlled the valve closing of magnetic valve (131), and running water stops flowing.It is upper that such combination can be applied in low temperature attemperating unit (107) equally, and principle is similar, no longer describes.
In sum, a kind of economical solar thermal collection system having concurrently for warm heat supply, comprise heat collector group, thermal storage water tank, radiator panel, buffer tank and high-temperature control device, low temperature attemperating unit, transfer valve, and Water gate valve, waterway pipe are formed by connecting, whole system adopts connected in series and unique aqueous medium, adopts constant temperature displacement heat exchange and constant temperature displacement heat radiation.System architecture is simple, changeable, cost is low, safe and reliable.
More than set forth basic principle of the present invention and principal character, the present invention is not subject to the restriction of implementing regulations, not departing from improvement and the variation done under the prerequisite of basic principle of the present invention and principal character, all should fall within the scope of protection of the present invention.
Claims (9)
1. have the economical solar thermal collection system for warm heat supply concurrently, it is characterized in that: this system comprises heat collector group, thermal storage water tank, radiator panel, buffer tank, high-temperature control device, low temperature attemperating unit, transfer valve and connects the waterway pipe of each several part, various parts adopts connected in series, adopts constant temperature displacement heat exchange between heat collector group and thermal storage water tank, adopts constant temperature displacement heat radiation between thermal storage water tank and radiator panel, the water route order of connection is, running water is connected to the water inlet interface end of transfer valve by water pipe, the water outlet mouthpiece end of transfer valve is connected to the water inlet of heat collector group, the delivery port of heat collector group is connected to high-temperature control device, the other end of high-temperature control device is connected to thermal storage water tank's water inlet by water pipe, thermal storage water tank's delivery port connects a three-way pipe, one end of three-way pipe is connected to the pipeline with hot water by Water gate valve, the other end is connected to the water inlet of radiator panel by Water gate valve and water pipe, the delivery port of radiator panel connects a low temperature attemperating unit, the other end of low temperature attemperating unit is connected to the mouth of a river that is recycled into of buffer tank, the circulating outlet of buffer tank is connected to the water suction interface end of transfer valve, so-called constant temperature displacement heat exchange refers to that running water first flow in heat collector group by transfer valve later, and be trapped in heat collector group, by the time by absorbing solar energy, water temperature rises to the open temp of high-temperature control device, high-temperature control device is opened, running water flows again, running water relies on own energy own, water in heat collector group is pressed in thermal storage water tank fast, by the time when the running water newly entering flows to high-temperature control device, make high-temperature control device again close running water stops flowing because water temperature is low, the new running water flowing into is trapped in to be waited for heating by new cold water in heat collector group next time and replaces, so-called constant temperature displacement heat radiation refers to that the hot water entering in radiator panel is because the temperature of water is high, do not reach the open temp of low temperature attemperating unit, hot water is trapped in and in radiator panel, carries out heat release, the temperature of the water in radiator panel constantly declines, when water temperature is reduced to the open temp of low temperature attemperating unit, hot water starts again to flow, the water of low temperature is flow in buffer tank, and in the time that the water of high temperature flows to low temperature attemperating unit, because water temperature is high, low temperature attemperating unit is closed again, hot water is no longer mobile, being trapped in hot water in radiator waits for that heat radiation turns cold and is replaced by new hot water.
2. a kind of economical solar thermal collection system having concurrently for warm heat supply according to claim 1, it is characterized in that: described heat collector group, at least having a water inlet and a delivery port, is single heat collector, or the heat collector group that forms by serial or parallel connection of multiple heat collector; Heat collector is vacuum tube collector, or flat plate collector; Heat collector series connection is exactly the water inlet using the water inlet of first heat collector as heat collector group, the delivery port of first heat collector is connected with second heat collector water inlet, the delivery port of second heat collector is connected with next heat collector water inlet, the rest may be inferred, and to the last the delivery port of a heat collector is as the delivery port of heat collector group; Heat collector is in parallel to link together each the heat collector water inlet in heat collector group as the water inlet of heat collector group exactly, and each heat collector delivery port is linked together as the delivery port of heat collector group.
3. a kind of economical solar thermal collection system having concurrently for warm heat supply according to claim 1, is characterized in that: described thermal storage water tank is a three-decker, comprises inner bag, heat-insulation layer and shell, is non-press-bearing water tank or semiconfined water case; In the inner bag of semiconfined water case, there is a water-level control apparatus, make this thermal storage water tank water under any state can not be full of whole inner bag, all the time there is the air cavity of a definite minimum volume to exist, there is water inlet, delivery port, inflatable interface, ventilation mouth and more than one satellite interface, inflatable interface connects inflator pump, and ventilative interface is installed a safety valve; Non-pressure water tank has water inlet, delivery port, overfall, ventilation mouth and more than one satellite interface, and delivery port connects a water pump.
4. a kind of economical solar thermal collection system having concurrently for warm heat supply according to claim 1, it is characterized in that: described radiator panel, adopt low-temperature radiator, at least there is a water inlet and a delivery port, single radiator, or the radiator group that forms by serial or parallel connection of multiple radiator; Radiator tandem is exactly the water inlet using the water inlet of first radiator as radiator panel, the delivery port of first radiator is connected with second water inlet of radiator, the delivery port of second radiator is connected with next water inlet of radiator, the rest may be inferred, and to the last the delivery port of a radiator is as the delivery port of radiator panel; Radiator is in parallel to link together each water inlet of radiator in radiator panel as the water inlet of radiator panel exactly, and each radiator outlet is linked together as the delivery port of radiator panel.
5. a kind of economical solar thermal collection system having concurrently for warm heat supply according to claim 1, it is characterized in that: between described heat collector group and thermal storage water tank, adopt constant temperature displacement heat exchange, refer between heat collector group in system and thermal storage water tank, adopt connected in series, between heat collector group and thermal storage water tank, there is and only has a heat exchanger channels, running water first flow in heat collector group by transfer valve later, because the water temperature in heat collector group does not reach the open temp of heat collector group water outlet high-temperature control device, running water is trapped in heat collector group, running water is no longer mobile, by the time owing to absorbing solar energy, water temperature rises to the open temp of high-temperature control device, high-temperature control device is opened, running water flows again, running water relies on own energy own, water in heat collector group is pressed in thermal storage water tank fast, by the time when the running water newly entering flows to high-temperature control device, because water temperature is low, making high-temperature control device again close running water stops flowing, the new running water flowing into is trapped in to be waited for heating by new cold water in heat collector group next time and replaces, and heated water has all flow into insulation storage in thermal storage water tank, and so forth, until thermal storage water tank is full.
6. a kind of economical solar thermal collection system having concurrently for warm heat supply according to claim 1, it is characterized in that: between described thermal storage water tank and radiator panel, adopt constant temperature displacement heat radiation, refer between radiator panel in system and thermal storage water tank, to adopt connected in seriesly, between thermal storage water tank and radiator, have and only have a heat dissipation channel, in the time that thermal storage water tank is an attemperater with air cavity, the inflator pump of inflatable interface can make air cavity preserve all the time a stable air pressure, and the hot water in thermal storage water tank can be pressed in radiator panel, in the time that thermal storage water tank is a kind of non-pressure attemperater, at the water outlet of water tank, a water pump detecting with current is installed, pump startup when water flow, when water stops, pump stops, and pump startup is drawn in radiator panel the hot water in thermal storage water tank, delivery port at radiator panel is installed a low temperature attemperating unit, because the temperature of water is high, do not reach the open temp of low temperature attemperating unit, hot water is trapped in and in radiator panel, carries out heat release, the temperature of the water in radiator panel constantly declines, when water temperature is reduced to the open temp of low temperature attemperating unit, hot water starts again to flow, the water of low temperature is flow in buffer tank, and in the time that the water of high temperature flows to low temperature attemperating unit, because water temperature is high, low temperature attemperating unit is closed again, hot water is no longer mobile, being trapped in hot water in radiator waits for that heat radiation turns cold and is replaced by new hot water, and so forth, until thermal storage water tank's sky.
7. a kind of economical solar thermal collection system having concurrently for warm heat supply according to claim 1, it is characterized in that: described high-temperature control device, the mechanical valve that adopts a kind of monomer is that high-temperature control valve completes, or adopt the combination of temperature detect switch (TDS) and magnetic valve to complete, or adopt temperature sensor to coordinate controller to complete with magnetic valve combination; While adopting monomer mechanical valve to be high-temperature control valve, there are two interfaces, utilize the metal material of warming effect to make, be arranged on the water outlet of heat collector group; While adopting the combination of temperature detect switch (TDS) and magnetic valve, temperature detect switch (TDS) is arranged on the water outlet of heat collector group, and magnetic valve is serially connected on the passage that running water enters heat collector group water inlet, and two cables of temperature detect switch (TDS) are connected in series in the line interface of magnetic valve; While adopting temperature sensor to coordinate controller with magnetic valve combination, temperature sensor is arranged on the water outlet of heat collector group, the cable of temperature sensor is connected on the corresponding interface of controller, magnetic valve serial connection is arranged on the passage that running water enters heat collector group water inlet, and the control cable of magnetic valve is connected on the corresponding interface of controller.
8. a kind of economical solar thermal collection system having concurrently for warm heat supply according to claim 1, it is characterized in that: described low temperature attemperating unit, the mechanical valve that adopts a kind of monomer is that low temperature temperature-sensing valve completes, or adopt the combination of temperature detect switch (TDS) and magnetic valve to complete, or adopt temperature sensor to coordinate controller to complete with magnetic valve combination; While adopting monomer mechanical valve to be low temperature temperature-sensing valve, there are two interfaces, utilize the metal material of warming effect to make, be arranged on the water outlet of radiator panel; While adopting the combination of temperature detect switch (TDS) and magnetic valve, temperature detect switch (TDS) is arranged on the water outlet of radiator panel, magnetic valve is serially connected in thermal storage water tank's delivery port hot water and enters radiator panel to flowing out on the waterway channel of radiator panel, and two cables of temperature detect switch (TDS) are connected in series in the line interface of magnetic valve; While adopting temperature sensor to coordinate controller with magnetic valve combination, temperature sensor is arranged on the water outlet of radiator panel, the cable of temperature sensor is connected on the corresponding interface of controller, magnetic valve is serially connected in thermal storage water tank's delivery port hot water and enters radiator panel to flowing out on the waterway channel of radiator panel, and the control cable of magnetic valve is connected on the corresponding interface of controller.
9. a kind of economical solar thermal collection system having concurrently for warm heat supply according to claim 1, is characterized in that: described transfer valve, there are A, B, C, tetra-interfaces of D, and be respectively into water interface A, water outlet mouthpiece B, water suction interface C, emptying interface D; An embedded miniature Venturi tube in valve, form different break-make relations by rotation, have into water interface A and be communicated with water outlet mouthpiece B, or emptying interface D is communicated with water outlet mouthpiece B, or water suction interface C is communicated with water outlet mouthpiece B, or water inlet interface A is when being communicated with water outlet mouthpiece B, the interface C mouth that absorbs water is also communicated with.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210304840.8A CN102809227B (en) | 2012-08-25 | 2012-08-25 | Economical solar heat collection system for supplying warm and heat |
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| CN201210304840.8A CN102809227B (en) | 2012-08-25 | 2012-08-25 | Economical solar heat collection system for supplying warm and heat |
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| CN102809227B true CN102809227B (en) | 2014-06-11 |
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| JPS55876A (en) * | 1978-08-23 | 1980-01-07 | Takuma Sogo Kenkyusho:Kk | Heat recycling apparatus |
| CN2509522Y (en) * | 2001-11-30 | 2002-09-04 | 张立生 | Solar energy heat supply apparatus |
| CN101832590A (en) * | 2009-03-13 | 2010-09-15 | 潘戈 | Solar heating system and method thereof for heating and supplying hot water |
| CN201522025U (en) * | 2009-08-14 | 2010-07-07 | 乔养正 | Solar heat and hot water supply equipment |
| CN102620447B (en) * | 2012-02-27 | 2013-07-31 | 徐何燎 | Brand-new serial structure solar water heater system |
| CN202769993U (en) * | 2012-08-25 | 2013-03-06 | 徐何燎 | Solar heat collecting system with warm-supply function and heat-supply function simultaneously |
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