The heat storage water tank of band fair water sleeves heat exchanger
Technical field: the utility model relates to field of water heaters, is a kind of energy saver that is used for Teat pump boiler or electric heater.
Background technology: the heat storage water tank that is to use band spiral coil heater that a class Teat pump boiler is arranged at present, coil pipe is directly to be immersed in the interior water of case, the electric heater of a large amount of electric heaters that use also is to be placed on the water tank inner bottom part directly to be immersed in the interior water of case, and this device that heater directly is immersed in the interior water of heat storage water tank has advantage of simple structure.But, the shortcoming of its maximum, be the hot water of heating when rising with the cold water blending, be the entropy increase in theory
Loss, in fact performance is that water temperature integral body is rising gradually in the water tank, the user will wait very long heat time heating time and just can use the hot water of comparative heat.The utility model is exactly for the hot water that reduces the heater heating and the blending degree of cold water, makes the user just can use hot water in the short time after the heater starting, has reduced the unnecessary energy dissipation for using a small amount of hot water will heat a large amount of hot water.
Summary of the invention:
In order to overcome the immersion type coil heat exchanger that existing Teat pump boiler uses and the deficiency of electric heater mode of heating, the utility model proposes a kind of heat storage water tank with the fair water sleeves heat exchanger, with the cold water blending, just can get hot water in the short time after heater starts in the time of avoiding that heated hot water rises in the heat storage water tank on heat storage water tank top.
Technical solution:
The heat storage water tank of band fair water sleeves heat exchanger of the present utility model, include the heat storage water tank 1 that the outside is surrounded by the heat-insulation layer shell, heating tube 2, water inlet 4, delivery port 5, cooling-water temperature sensor 9, water temperature display controller 10, it is characterized in that: increasing in the water tank has fair water sleeves 3, heating tube and fair water sleeves suit, stand on the water tank bottom plate, the top board and the base plate of fair water sleeves and water tank leave spacing, and hot water outlet 5 is located at the top of water tank upper fair water sleeves, and cold water inlet 4 is located at the below of water tank bottom spiral coil;
Described heating tube is the spiral coil of logical cold-producing medium, or electric heating tube;
Because the utility model has adopted and increased the fair water sleeves that water conservancy diversion is used in water tank, and the water around heating tube and the fair water sleeves suit heating tube is heated rapid expansion, density diminishes and fast rise, since the buffer action of fair water sleeves not can with cold water mix, heated water, rise to tank top very soon, hot water is crossed the fair water sleeves top and is entered another district that fair water sleeves is isolated; The big water gaging in another district of fair water sleeves is not heated directly heating of pipe, and density descends greatly, replenishes the thermal treatment zone that flows to heating tube water from the fair water sleeves bottom, refluxes thereby form; If replenish cold water, cold water enters water tank bottom, and cold water is following, and hot water is last, and the hot water of equivalent is taken from water outlet of water tank, and cold water is sent to heating.During heat make-up cold water, the hot water of tank top can not be subjected to the extruding of water tank bottom cold water yet and flow out from tank top.
Therefore, adopt technology of the present utility model, can reduce the hot water that heat storage water tank heated by heater and the blending degree of cold water, reduced effective loss of energy, make the user just can use hot water in the short time after heating tube is started working.Because under many situations, the user only needs to use a small amount of hot water, can obtain hot water fast with this scheme does not need again the water of FCL is all heated, many times have been saved, can reduce simultaneously the unnecessary energy loss of hot water storage phase, play energy-conservation effect, make things convenient for the user again.Water tank is a pressure-bearing type, need not to use booster pump, just can obtain the spray hot water of enough pressure and flow.The technical solution of the utility model makes the water of heat storage water tank can realize under no blending situation that enclosed self-loopa heating and DC heating, this heat storage water tank can be used as the heat storage water tank use of varying capacity in finite time.
The heat storage water tank of band fair water sleeves heat exchanger of the present utility model is suitable for use in Teat pump boiler, on the cold-heat air-conditioning, water-heating three-purpose machine, also is applicable to the improvement of electric heater.
Description of drawings:
Accompanying drawing 1 is the structural profile schematic diagram of a kind of embodiment of the present utility model.
Accompanying drawing 2 is structural profile schematic diagrames of a kind of embodiment of technical solutions of the utility model two, and this scheme is applicable to the heat storage water tank that big capacity is high.
Accompanying drawing 3 is structural profile schematic diagrames of a kind of embodiment of technical solutions of the utility model three, and this scheme can make electric heater go out hot water fast.
The specific embodiment:
Further specify concrete technology contents of the present utility model below in conjunction with accompanying drawing.But the utility model is not limited in this.
Referring to accompanying drawing 1, the outside of heat storage water tank 1 of the present utility model is surrounded by the heat-insulation layer shell, the heating tube 2 of spiral coil is installed in the water tank, water inlet 4 is arranged at the bottom, delivery port 5 is arranged at top, top, and cooling-water temperature sensor 9 is installed, water temperature display controller 10, cooling-water temperature sensor is installed in nearly delivery port place, top, water tank top, controller can make the power connection starting heating of heater by the water temperature lower limit of setting, and according to the water temperature upper limit of setting the power supply of heater is disconnected to stop heating, it is characterized in that: increasing in the water tank has fair water sleeves 3, spiral coil place tank inner wall and the fair water sleeves that increases newly between, all leave several mm clearance between spiral coil and tank inner wall and the fair water sleeves outer wall; Fair water sleeves is fixedly stood on the water tank bottom plate by lattice framing and pad pin 8, and about 1 centimetre of suitable spacing is all left with the top board and the base plate of water tank in the top of fair water sleeves and bottom, and the height of fair water sleeves is higher than the height of coil pipe; The hot water outlet pipe is welded on the sidewall of water tank upper, above spiral coil and fair water sleeves, cooling water inlet is located at the below of water tank bottom spiral coil, and water inlet pipe is welded on the lower sides of water tank, and water inlet enters tilting towards suitable tank wall tangential direction and towards the bottom surface of water tank; The spiral coil two ends are welded in respectively on water tank top board and the base plate, and import 6 is stayed outside the water tank top board, and outlet 7 is stayed outside the water tank bottom plate, and refrigerant gas flows into from the import 6 of spiral coil, and refrigerant liquid flows out from the outlet 7 of spiral coil;
Owing to adopted among the embodiment 1 and in water tank, increased fair water sleeves, and the heating tube of helical disk tubular type placed tank inner wall and the fair water sleeves that increases newly between, the water yield between tank inner wall and the fair water sleeves only is the very fraction of the total moisture storage capacity of water tank, this part water is heated the pipe heating and expands rapidly, density diminishes and fast rise, the water that rises can not mixed with the water in the fair water sleeves by the obstruct of fair water sleeves, the heated tank top that is raised to waterborne, hot water is crossed the fair water sleeves top and is entered the fair water sleeves inner top; Big water gaging in the fair water sleeves is not heated directly heating of pipe, and density descends greatly, replenishes the thermal treatment zone that flows between tank inner wall and the fair water sleeves from the fair water sleeves bottom, refluxes thereby form; Additional cold water enters water tank bottom, and equivalent hot water is taken from water outlet of water tank.During heat make-up cold water, the hot water of tank top can not be subjected to the cold water extruding yet and flow out, because the density contrast of hot and cold water, cold water is down, and hot water is last, and hot and cold water blending degree is little, but can conduction heat transfer.
The embodiment 2 of accompanying drawing 2 designs for big capacity high flush tank, 160 liters of water tank capacities, high 1.5 meters, 350 millimeters of water tank diameters, the difference of it and embodiment 1 is: spiral coil is the spiral coil heating tube 2 in ringlet footpath, 120 millimeters of the circle internal diameters of spiral coil, 10 millimeters of coil pipe calibers, place within the fair water sleeves 3 of 145 millimeters of diameters, spiral coil loop diameter and fair water sleeves diameter are all little many than water tank diameter, it is lower limit that the spiral coil loop diameter can not become flat minimum diameter during with the coiling coil pipe, the 7-15 that generally gets caliber doubly, the fair water sleeves internal diameter is only than the big 3-10 millimeter of spiral coil loop diameter.During heating, the water in the fair water sleeves is heated expansion, rises rapidly, the obstruct that is subjected to fair water sleeves not can with the outer water blending of fair water sleeves.
The embodiment 3 of accompanying drawing 3 designs for electric heater, the difference of it and embodiment 2 is that heating tube is an electric heating tube 2, the heat exchange area of electric heating tube is little, so place in the fair water sleeves 3, hot water outlet pipe 5 is also placed in the fair water sleeves, the oblate shape in fair water sleeves cross section, to reduce the sectional area of fair water sleeves as far as possible, can entangle electrothermal tube and hot water outlet pipe again and be principle, the delivery port of hot water outlet pipe in water tank reaches tank top, the height that is higher than fair water sleeves, hot water outlet pipe's lower end be welded in below the storage tank with the port of water inlet pipe 4 side by side so that the mixed flow control valve is installed, flow-stopping plate 11 is equipped with in the water inlet pipe top, to prevent the hot water blending in the into water and water tank, electric heating tube is made inverted U-shaped, can be with a little wavy bendings again in order to strengthen heat exchange.Because the effect of fair water sleeves, hot water can rise to the top very soon, has solved the slow problem of electric heater water temperature rising.