CN203797982U - Phase-change heat-storage solar water heater with novel radiating structure - Google Patents

Phase-change heat-storage solar water heater with novel radiating structure Download PDF

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Publication number
CN203797982U
CN203797982U CN201420161404.4U CN201420161404U CN203797982U CN 203797982 U CN203797982 U CN 203797982U CN 201420161404 U CN201420161404 U CN 201420161404U CN 203797982 U CN203797982 U CN 203797982U
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China
Prior art keywords
phase
water heater
solar water
storage solar
thermal storage
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Withdrawn - After Issue
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CN201420161404.4U
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Chinese (zh)
Inventor
王志
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PIONEER ENERGY Co Ltd
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PIONEER ENERGY Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/44Heat exchange systems

Abstract

The utility model relates to a phase-change heat-storage solar water heater with a novel radiating structure. The phase-change heat-storage solar water heater comprises a phase-change heat-storage solar water heater body (1) and a radiating device. Evaporating media are carried inside the radiating device, the radiating device is mounted on the upper portion of the phase-change heat-storage solar water heater body (1) and comprises an evaporating tube (2) and a condensing tube (4), the condensing tube (4) is arranged on the outside of the phase-change heat-storage solar water heater body (1), the evaporating tube (2) is buried in the phase-change heat-storage solar water heater body (1) and is in heat transfer contact with phase-change heat-storage materials in the phase-change heat-storage solar water heater body (1), an outlet end of the evaporating tube (2) is communicated with an inlet end of the condensing tube (4), an outlet end of the condensing tube (4) is communicated with an inlet end of the evaporating tube (2), and the evaporating tube (2) and the condensing tube (4) form a circulating circuit. The phase-change heat-storage solar water heater has the advantages that excessively high internal temperature of the phase-change heat-storage solar water heater can be assuredly prevented by a self-circulation mode, radiating effects can be realized without tap water or power sources, and accordingly water sources and electric power can be saved.

Description

A kind of phase-change thermal storage solar water heater with new radiator structure
[technical field]
The utility model relates to technical field of solar water heaters, specifically a kind of phase-change thermal storage solar water heater with new radiator structure.
[background technology]
Along with China's economic fast development, living standards of the people improve constantly, and the demand of the energy is also increased progressively thereupon.At present, energy resource consumption is mainly the fossil fuel such as coal, oil and natural gas.Because China's oil reserves are limited, nearly 50% crude oil relies on import at present, and coal is still the main fuels and energy source of China, and the environmental problem that fire coal causes has become the problem that must take seriously in China's strategy of sustainable development.Solar energy is a kind of energy of huge environmentally safe, the solar energy of the earth acquisition per second 5,000,000 tons of energy that fat coal sends that are equivalent to burn.
China is one of the abundantest country of solar energy in the world, China's solar energy irradiation total amount is greater than 5,020,000 kilojoules square metre, year sunshine time area of 2200 hours accounts for China's area more than 2/3, particularly west area, and a year sunshine-duration reaches more than 3000 hours.China utilizes solar energy to obtain achievement highly visible, and wherein solar water heater industry development is particularly rapid, is just becoming a new industry.
In recent years, solar water heater was with the speed increment of average annual growth 20% to 30%.China's solar energy industry is started late, still at an early stage of development, larger with the gap of abroad going together, the application of solar energy at present mainly concentrates on low-quality solar energy and utilizes aspect, and the solar water heater of domestic use mainly contains: stagnation type solar water heater, plate solar heat hydrophone, vacuum tubular glass solar collector and heat pipe vacuum tubular glass solar collector etc.Also there is in recent years the low side solar thermal collector of employing plastics-water pipe.Solar water heater these low sides, that directly leak water with hollow plate glass/pipe, its shortcoming is that heat-insulating property is poor, how interface easily leaks, opposing low temperature ability, frangible easy explosion, volume is large, Heavy Weight, the thermal efficiency is lower.
Phase-change accumulation energy and technology can be stored in energy in phase-change material (Phase Change Materials, PCMs) with the form of latent heat of phase change, realize the conversion of energy between different space-time.Utilizing the latent heat of phase change of phase-change material to realize storage and the utilization of energy, contribute to improve efficiency of energy utilization and exploitation regenerative resource, is a very active forward position research direction in energy science and material science in recent years.Compared with sensible heat energy storage technology, phase change energy storage technology has that energy storage density is high, volume is small and exquisite, temperature control is constant, energy-saving effect significantly, phase transition temperature range of choice is wide, be easy to the advantages such as control, all have broad prospects in various fields such as Aero-Space, solar energy utilization, heating and air-conditioning, electric power system optimization, engineering in medicine, military engineering, accumulation of heat building and extreme environment clothes.
It is overheated that the anti-overheated measure of existing phase-change thermal storage solar water heater generally adopts the mode of the constant temperature draining of T/P valve or abat vent to prevent.T/P valve constant temperature waterproof need ensure phase-change thermal storage solar water heater and running water unimpeded, not yet pay in house or have that running water is obstructed causes overheated danger when unoccupied for a long time, and overtemperature protection need discharge a large amount of hot water while starting, cause waste.And if adopt the mode of automatic sunshade curtain, the shortcoming that there is again system complex, investment is large, fault rate is high and consumes electric energy.
[utility model content]
The purpose of this utility model is exactly will solve above-mentioned deficiency and a kind of phase-change thermal storage solar water heater with new radiator structure is provided, ensure that by the mode of self-loopa phase-change thermal storage solar water heater internal temperature can be not too high, and this radiator structure works and does not rely on running water and power supply, thereby can save water source and electric power, simple in structure, dependable performance.
Design for achieving the above object a kind of phase-change thermal storage solar water heater with new radiator structure, comprise that a phase-change thermal storage solar water heater 1 and an inside carry the heat abstractor of evaporative medium, described heat abstractor is arranged on phase-change thermal storage solar water heater 1 top, described heat abstractor comprises to be become evaporative medium evaporation the evaporation tube 2 of gas and gas condensation is become to the condenser pipe 4 of evaporative medium, described condenser pipe 4 is arranged on phase-change thermal storage solar water heater 1 outside, described evaporation tube 2 is all or part of to be embedded in phase-change thermal storage solar water heater 1, phase-change heat-storage material heat transfer contact in described evaporation tube 2 and phase-change thermal storage solar water heater 1, the port of export of described evaporation tube 2 is communicated with the entrance point of condenser pipe 4, the port of export of described condenser pipe 4 is communicated with the entrance point of evaporation tube 2, described evaporation tube 2 forms closed circuit with condenser pipe 4.
On described condenser pipe 4, be connected with air tank 3, described air tank 3 is communicated with closed circuit.
The port of export of described condenser pipe 4 connects the entrance point of evaporation tube 2 by pipeline 5, or the entrance point of described condenser pipe 4 connects the port of export of evaporation tube 2 by pipeline 5, on described pipeline 5, is connected with air tank 3, and described air tank 3 is communicated with closed circuit.
Described evaporative medium is that boiling point is less than or equal to the material of 150 DEG C.
Described evaporative medium is water, alcohol, anti-icing fluid, liquefied ammonia, ether, acetone, methyl alcohol or isopropyl alcohol.
Described evaporation tube 2 is copper pipe, aluminum pipe, stainless steel tube or finned tube.
Described condenser pipe 4 is copper pipe, aluminum pipe, stainless steel tube or finned tube.
Described condenser pipe 4 is tubular structure, outside described condenser pipe 4, is provided with multiple fin.
The utility model compared with the existing technology, by the inner heat abstractor that is perfused with evaporative medium is installed on phase-change thermal storage solar water heater top, this heat abstractor adopts evaporation tube and condenser pipe composition self circular loop, condenser pipe is placed in phase-change thermal storage solar water heater outside, evaporation tube is embedded in phase-change thermal storage solar water heater, and with phase-change thermal storage solar water heater in phase-change heat-storage material heat transfer contact, thereby without water source and power supply in the situation that, in the time that water heater temperature reaches a certain value, evaporative medium can flash to gas and take away heat, after being condensed into liquid, the heat radiation of condenser pipe place returns evaporation tube, ensure that by the mode of automatic cycle phase-change thermal storage solar water heater internal temperature can be not too high, and this heat abstractor works and does not rely on running water and power supply, thereby can save water source and electric power, simple in structure, dependable performance, in addition, the setting of air tank is in the time that radiation is very strong, the amount of evaporating the steam forming due to evaporative medium is excessive, thereby the closed circuit that evaporation tube and condenser pipe form is impacted, and set up air tank, in the time that quantity of steam is large, because gas can compress, therefore too much air can enter in air tank and form compressed air, has formed thus buffering, uses very safe, reliable.
[brief description of the drawings]
Fig. 1 is structural representation of the present utility model;
In figure: 1, phase-change thermal storage solar water heater 2, evaporation tube 3, air tank 4, condenser pipe 5, pipeline.
[detailed description of the invention]
Below in conjunction with accompanying drawing, the utility model is done to following further illustrating:
As shown in Figure 1, the utility model comprises: a phase-change thermal storage solar water heater 1 and an inside carry the heat abstractor of evaporative medium, heat abstractor is arranged on phase-change thermal storage solar water heater 1 top, heat abstractor comprises to be become evaporative medium evaporation the evaporation tube 2 of gas and gas condensation is become to the condenser pipe 4 of evaporative medium, condenser pipe 4 is arranged on phase-change thermal storage solar water heater 1 outside, evaporation tube 2 is all or part of to be embedded in phase-change thermal storage solar water heater 1, phase-change heat-storage material heat transfer contact in evaporation tube 2 and phase-change thermal storage solar water heater 1, the port of export of evaporation tube 2 is communicated with the entrance point of condenser pipe 4, the port of export of condenser pipe 4 is communicated with the entrance point of evaporation tube 2, evaporation tube 2 forms closed circuit with condenser pipe 4, wherein, evaporative medium is that boiling point is less than or equal to the material of 150 DEG C, as evaporative medium can be but be not limited to water, alcohol, anti-icing fluid, liquefied ammonia, ether, acetone, methyl alcohol or isopropyl alcohol, evaporation tube 2 can be but be not limited to copper pipe, aluminum pipe, stainless steel tube or finned tube, condenser pipe 4 can be but be not limited to copper pipe, aluminum pipe, stainless steel tube or finned tube, condenser pipe 4 is tubular structure, is provided with multiple fin outside condenser pipe 4.
The feature of phase-change thermal storage solar water heater is: in the time that user does not use, the inside of phase-change thermal storage solar water heater does not have current to pass through, and solar radiant energy changes thermal energy storage in phase-change heat-storage material.In the time that user uses, current flow through phase-change thermal storage solar water heater, and current and phase-change heat-storage material carry out heat exchange, and heat is along with current are taken phase-change thermal storage solar water heater out of.If radiation is very strong, and user is or not the time using phase-change thermal storage solar water heater, and the energy of phase-change heat-storage material is accumulated too much, can make the temperature rising of phase-change heat-storage material, thereby can be because of the overheated phase-change thermal storage solar water heater that damages.Therefore, the utility model has designed the closed circuit being made up of evaporation tube and condenser pipe, because evaporation tube is embedded in phase-change thermal storage solar water heater, along with the rising of the phase-change heat-storage material temperature in phase-change thermal storage solar water heater, the temperature of the evaporative medium in evaporation tube also can increase, until evaporative medium becomes steam, then this steam enters condenser pipe, and condenser pipe is located at outside phase-change thermal storage solar water heater, and the structure of condenser pipe is the multiple fin of tubular element peripheral hardware, therefore steam becomes the evaporative medium of liquid condition at condensing tube condensation.Therefore, the too much heat in phase-change heat-storage material can be taken out of outside phase-change thermal storage solar water heater because of the phase transformation of evaporative medium.
In the utility model, the port of export of condenser pipe 4 connects the entrance point of evaporation tube 2 by pipeline 5, or the entrance point of condenser pipe 4 connects the port of export of evaporation tube 2 by pipeline 5, pipeline 5 is easy to connect for evaporation tube 2 and condenser pipe 4, and being connected with air tank 3 on pipeline 5 or condenser pipe 4, air tank 3 is communicated with closed circuit; It is in the time that radiation is very strong that air tank is set, the amount of evaporating the steam forming due to evaporative medium is excessive, and the loop of evaporation tube and condenser pipe formation is impacted, and set up air tank, in the time that quantity of steam is large, because gas can compress, thereby too much air can enter formation compressed air in air tank, has formed thus buffering.
The utility model adopts evaporation tube, condenser pipe, air tank and connecting line composition self-circulation system, the phase-change heat-storage material close contact of evaporation tube and water heater inside, the transpirable medium of interior perfusion, in the time that water heater temperature reaches a certain value, evaporative medium flashes to gas and takes away heat, after the heat radiation of condenser pipe place is condensed into liquid, get back to evaporation tube, prevent that by the mode of self-loopa heat collector internal temperature is too high.
The utility model is not subject to the restriction of above-mentioned embodiment; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection domain of the present utility model.

Claims (8)

1. one kind has the phase-change thermal storage solar water heater of new radiator structure, it is characterized in that: comprise that a phase-change thermal storage solar water heater (1) and an inside carry the heat abstractor of evaporative medium, described heat abstractor is arranged on phase-change thermal storage solar water heater (1) top, described heat abstractor comprises to be become evaporative medium evaporation the evaporation tube (2) of gas and gas condensation is become to the condenser pipe (4) of evaporative medium, described condenser pipe (4) is arranged on phase-change thermal storage solar water heater (1) outside, described evaporation tube (2) is all or part of to be embedded in phase-change thermal storage solar water heater (1), phase-change heat-storage material heat transfer contact in described evaporation tube (2) and phase-change thermal storage solar water heater (1), the port of export of described evaporation tube (2) is communicated with the entrance point of condenser pipe (4), the port of export of described condenser pipe (4) is communicated with the entrance point of evaporation tube (2), described evaporation tube (2) forms closed circuit with condenser pipe (4).
2. the phase-change thermal storage solar water heater with new radiator structure as claimed in claim 1, is characterized in that: on described condenser pipe (4), be connected with air tank (3), described air tank (3) is communicated with closed circuit.
3. the phase-change thermal storage solar water heater with new radiator structure as claimed in claim 1, it is characterized in that: the port of export of described condenser pipe (4) connects the entrance point of evaporation tube (2) by pipeline (5), or the entrance point of described condenser pipe (4) connects the port of export of evaporation tube (2) by pipeline (5), on described pipeline (5), be connected with air tank (3), described air tank (3) is communicated with closed circuit.
4. the phase-change thermal storage solar water heater as claimed in claim 2 or claim 3 with new radiator structure, is characterized in that: described evaporative medium is that boiling point is less than or equal to the material of 150 DEG C.
5. the phase-change thermal storage solar water heater with new radiator structure as claimed in claim 4, is characterized in that: described evaporative medium is water, alcohol, anti-icing fluid, liquefied ammonia, ether, acetone, methyl alcohol or isopropyl alcohol.
6. the phase-change thermal storage solar water heater with new radiator structure as claimed in claim 5, is characterized in that: described evaporation tube (2) is copper pipe, aluminum pipe, stainless steel tube or finned tube.
7. the phase-change thermal storage solar water heater with new radiator structure as claimed in claim 6, is characterized in that: described condenser pipe (4) is copper pipe, aluminum pipe, stainless steel tube or finned tube.
8. the phase-change thermal storage solar water heater with new radiator structure as claimed in claim 7, is characterized in that: described condenser pipe (4) is tubular structure, is provided with multiple fin outside described condenser pipe (4).
CN201420161404.4U 2014-04-04 2014-04-04 Phase-change heat-storage solar water heater with novel radiating structure Withdrawn - After Issue CN203797982U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420161404.4U CN203797982U (en) 2014-04-04 2014-04-04 Phase-change heat-storage solar water heater with novel radiating structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420161404.4U CN203797982U (en) 2014-04-04 2014-04-04 Phase-change heat-storage solar water heater with novel radiating structure

Publications (1)

Publication Number Publication Date
CN203797982U true CN203797982U (en) 2014-08-27

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Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103912999A (en) * 2014-04-04 2014-07-09 江苏启能新能源材料有限公司 Phase-change heat storage solar water heater with novel heat dissipation structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103912999A (en) * 2014-04-04 2014-07-09 江苏启能新能源材料有限公司 Phase-change heat storage solar water heater with novel heat dissipation structure
CN103912999B (en) * 2014-04-04 2016-02-17 江苏启能新能源材料有限公司 A kind of phase-change thermal storage solar water heater with new radiator structure

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20140827

Effective date of abandoning: 20160217

C25 Abandonment of patent right or utility model to avoid double patenting