CN203349537U - Split solar energy water heater with heat pipe type heat collector and enamel external interlayer heat exchanger - Google Patents

Abstract

The utility model relates to a split solar energy water heater with a heat pipe type heat collector and an enamel external interlayer heat exchanger. The split solar energy water heater comprises a water tank and a heat collector. The split solar energy water heater is characterized in that a liner is arranged in the water tank; the the enamel external interlayer heat exchanger is formed by the liner and an interlayer liner; the external end of the heat exchanger is provided with an exhaust pipe, a liquid filling port, a medium circulating inlet and a medium circulating outlet; and the medium circulating inlet and the medium circulating outlet respectively pass through the outside wall of the water tank and are connected with a medium circulating pipeline. The heat collector is formed by a united collecting tank, a heat collecting pipe and a tail rack, wherein a united collecting pipe passes through the united collecting tank; two ends of the united collecting pipe are respectively connected with a medium heat collecting outlet and a medium heat collecting inlet; heat collecting pipes are distributed between the two ends at an average interval; the condensing end of a heat collecting core pipe in the heat collecting pipe is inserted in the united collecting pipe; the other end of the heat collecting core pipe is provided with heat absorbing fins; and the medium heat collecting outlet and the medium heat collecting inlet are connected with the medium circulating inlet and the medium circulating outlet of the water tank via a medium circulating pipe, thereby forming a circulating loop. The distance between the medium circulating inlet and the medium circulating outlet is widened in the split solar energy water heater, so that temperature differences of the medium in the heat collecting pipe are increased and circulating speed and heat exchanging of the heat exchanging medium are also accelerated.

Description

The splitting solar of a kind of heat pipe type heat collector and enamel outside sandwich heat exchanger

Technical field

The utility model relates to the solar water heater field, is specifically related to the splitting solar of a kind of heat pipe type heat collector and enamel outside sandwich heat exchanger.

Background technology

Solar Enercy Fission Geyser is all to adopt the pressure-bearing type structure at present, and heat exchange structure is divided into built-in heat exchange and external heat exchanger.Built-in heat exchanger is stainless heat exchanger, and heat exchange efficiency is high, but usually adopt the stainless steel welding to make, has etching problem, greatly reduces the service life of water tank, and final heat exchanger damages, thereby causes whole water tank to be scrapped; External heat exchanger water tank heat exchange area is large, and heat exchanger does not bear ambient pressure, but heat transferring medium can cause corrosion to the inner water tank outside and the inboard formed interlayer heat exchanger of heat exchanger equally, thereby causes whole water tank to be scrapped.Whole glass vacuum tube solar energy heat collector mainly contains three large series of products on the market, respectively: whole glass vacuum tube solar energy heat collector, U-shaped tubular type whole glass vacuum tube solar energy heat collector and flat-plate collector.Still take at present the plain edition whole glass vacuum tube solar energy heat collector as main.U-shaped pipe heat collector less than normally causes heat absorption abundant not because its U-shaped tube outer surface is long-pending, makes heat in vacuum tube lose whole collecting efficiency on the low side; The collecting efficiency of vacuum tube collector is high, but, along with the increase vacuum of service life descends gradually, makes its collecting efficiency deficiency, and the damaged operation that can affect whole heat collector of indivedual thermal-collecting tube; The flat plate collector heat leakage is large and be not suitable for cold district, and overall thermal efficiency is not high.

Summary of the invention

Technical problem to be solved in the utility model is to overcome above-mentioned the deficiencies in the prior art, provide a kind of can significantly improve solar energy the heat pipe type heat collector in service life of the thermal efficiency and water tank and the splitting solar of enamel outside sandwich heat exchanger.

The utility model solves the problems of the technologies described above taked technical scheme: the splitting solar of a kind of heat pipe type heat collector and enamel outside sandwich heat exchanger, comprise water tank and heat collector, it is characterized in that: inner bag is installed in water tank, inner bag and interlayer inner bag form enamel outside sandwich heat exchanger, the outer end of heat exchanger arranges respectively blast pipe, liquid injection port, medium circulation import and medium circulation outlet, with medium circulation, outlet is connected with the medium circulation pipeline through tank outer wall respectively in the medium circulation import, inner bag is provided with water inlet pipe and outlet pipe, water inlet pipe, outlet pipe communicates with atmosphere through water tank, heat collector consists of header, heat pipe and tailstock, union pipe passes from header inside, the header two ends are the outlet of connecting media thermal-arrest and the import of medium thermal-arrest respectively, the centre vacuum heat collection pipe that evenly is intervally arranged, the inner collecting core pipework condensation of vacuum heat collection pipe end inserts union pipe inside, by the sealing ring sealing, other end band heat absorbing fins, the vacuum heat collection pipe tail end is by the tailstock fixed support, the outlet of medium thermal-arrest exports and is connected with medium circulation with the medium circulation import of water tank by the medium circulation pipeline with the import of medium thermal-arrest, forms closed circuit.

The heat exchanger of separated type solar water tank of the present utility model is enamel outside sandwich heat exchange structure, and heat exchange area is large; The medium circulation import is located at the heat exchanger upper end, and the medium circulation outlet is located at lower end, has improved the temperature difference of circulatory mediator, has accelerated the circulation rate of medium, greatly improves the heat exchange efficiency of water tank; The heat exchanger inwall adopts enamel technology, and is welded on the inner bag outer end and has avoided Welding of Heat-exchanger in inside, causes weld seam because etching problem appears in high pressure, high heat, has greatly improved the service life of water tank.

Medium thermal-arrest of the present utility model import and the outlet of medium thermal-arrest are located at respectively the two ends of header, the cold medium looped back enters the union pipe center by an end medium thermal-arrest import, by the thermal-collecting tube condensation end, be heated, by the import of other end medium thermal-arrest, high-temperature medium is transported to heat exchanger, widened the distance of medium circulation import and medium circulation outlet, increase the temperature difference of medium in thermal-collecting tube, accelerated circulation rate and the heat exchange efficiency of heat transferring medium.

Between water tank of the present utility model and inner bag, between header and union pipe, all lean on the polyurethane foam sealing thermal insulation, the medium circulation pipeline is provided with heat-insulation layer, greatly reduces the heat leakage of structure.

Heat pipe type heat collector of the present utility model is because medium only flows and do not contact glass tube in union pipe, hot and cold water impacts can not affect glass tube, be not afraid of tan by the sun with freezing, not to be afraid of hydraulic pressure high; The heat pipe evaporator section volume is little, quick heating while shining upon; Autocratic heat pipe union pipe is arranged, make the installation of heat pipe very convenient with replacing.

The accompanying drawing explanation

Fig. 1 is structural representation of the present utility model.

In figure, be labeled as: 1. water tank, 2. inner bag, 3. blast pipe, 4. liquid injection port, 5. heat exchanger, 6. medium circulation import, 7. medium circulation outlet, 8. medium circulation pipeline, 9. water inlet pipe, 10. outlet pipe, 11. headers, 12. expanded materials, 13. sealing ring, 14. collecting core pipes, 15. union pipes, 16. the import of medium thermal-arrest, 17. heat absorbing fins, 18. thermal-collecting tubes, 19. tailstock, 20. medium thermal-arrest outlets, 21. interlayer inner bags.

The specific embodiment

Below in conjunction with accompanying drawing, the utility model is described further:

As shown in Figure 1, the utility model relates to the splitting solar of a kind of heat pipe type heat collector and enamel outside sandwich heat exchanger, comprise water tank and heat collector, the interior installation inner bag 2 of water tank 1, inner bag 2 forms enamel outside sandwich heat exchanger 5 with interlayer inner bag 21, the outer end of heat exchanger 5 arranges respectively blast pipe 3, liquid injection port 4, medium circulation import 6 and medium circulation outlet 7, medium circulation import 6 is connected with medium circulation pipeline 8 through water tank 1 outer wall respectively with medium circulation outlet 7, inner bag 2 is provided with water inlet pipe 9 and outlet pipe 10, water inlet pipe 9, outlet pipe 10 communicates with atmosphere through water tank 1, heat collector consists of header 11, heat pipe 18 and tailstock 19, union pipe 15 passes from header 11 inside, header 11 two ends are the outlet 20 of connecting media thermal-arrest and medium thermal-arrest import 16 respectively, the centre vacuum heat collection pipe 18 that evenly is intervally arranged, inner collecting core pipe 14 condensation ends of vacuum heat collection pipe 18 insert union pipe 15 inside, by sealing ring 13 sealings, other end band heat absorbing fins 17, vacuum heat collection pipe 18 tail ends are by tailstock 19 fixed supports.The outlet 20 of medium thermal-arrest is connected with medium circulation outlet 7 with the medium circulation import 6 of water tank by medium circulation pipeline 8 with medium thermal-arrest import 16, forms closed circuit.Between water tank 1 and inner bag, between union pipe 15 and header 11 by polyurethane foam material 12 sealing thermal insulations.

When the utility model is used, first by cold water, by water inlet pipe, input in the inner bag of water tank, medium is after the heat collector heating, through circulation import and loop exit, in heat exchanger, circulated, heat exchanger passes to cold water by medium by the heat of collecting in heat collector, and cold water is heated, when temperature reaches setting value, medium stops circulation, then opens outlet pipe, just can obtain the needed hot water of people.

Claims (1)

1. the splitting solar of a heat pipe type heat collector and enamel outside sandwich heat exchanger, comprise water tank and heat collector, it is characterized in that: inner bag is installed in water tank, inner bag and interlayer inner bag form enamel outside sandwich heat exchanger, the outer end of heat exchanger arranges respectively blast pipe, liquid injection port, medium circulation import and medium circulation outlet, with medium circulation, outlet is connected with the medium circulation pipeline through tank outer wall respectively in the medium circulation import, inner bag is provided with water inlet pipe and outlet pipe, and water inlet pipe, outlet pipe communicate with atmosphere through water tank; Heat collector consists of header, heat pipe and tailstock, union pipe passes from header inside, the header two ends are the outlet of connecting media thermal-arrest and the import of medium thermal-arrest respectively, the centre vacuum heat collection pipe that evenly is intervally arranged, the inner collecting core pipework condensation of vacuum heat collection pipe end inserts union pipe inside, by the sealing ring sealing, other end band heat absorbing fins, the vacuum heat collection pipe tail end is by the tailstock fixed support, the outlet of medium thermal-arrest exports and is connected with medium circulation with the medium circulation import of water tank by the medium circulation pipeline with the import of medium thermal-arrest, forms closed circuit.

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