CN203375741U - Automatic hot water circulation device based on heat pipe solar thermal collector - Google Patents

Automatic hot water circulation device based on heat pipe solar thermal collector Download PDF

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Publication number
CN203375741U
CN203375741U CN201320430168.7U CN201320430168U CN203375741U CN 203375741 U CN203375741 U CN 203375741U CN 201320430168 U CN201320430168 U CN 201320430168U CN 203375741 U CN203375741 U CN 203375741U
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China
Prior art keywords
heat
thermal collector
solar thermal
evaporation
condensation
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Expired - Fee Related
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CN201320430168.7U
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Chinese (zh)
Inventor
江劲松
季弘
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HUNAN LANHAI ENERGY TECHNOLOGY Co Ltd
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HUNAN LANHAI ENERGY TECHNOLOGY 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 an automatic hot water circulation device based on a heat pipe solar thermal collector. The automatic hot water circulation device mainly comprises an evaporation chamber, an evaporation channel, a condensation chamber, a condensation channel and the plate-type heat pipe solar thermal collector. A thermal collection chamber of the plate-type heat pipe solar thermal collector serves as the evaporation chamber; the evaporation chamber is connected with a plate-type heat pipe in the thermal collector; the evaporation chamber, the evaporation channel, the condensation chamber and the condensation channel form an independent loop heat pipe which can automatically transmit solar power heat absorbed by the solar thermal collector to a heat storage water tank connected with the condensation chamber so as to form a solar hot water natural circulation system and transmit the heat efficiently. The solar automatic hot water circulation device has the advantages of being simple in system flow, high in heat transfer efficiency, free of moving parts, low in cost, high in loading capacity, stable in heat transmission, easy and convenient to install, and the like, thereby being a novel and efficient natural circulation solar hot water device.

Description

Automatic circulation device of warm water based on heat pipe solar thermal collector
Technical field
The utility model relates to the solar energy utilization technique field, particularly the automatic circulation device of warm water based on heat pipe solar thermal collector.
Background technology
Aggravation along with energy crisis; solar building integrated solar thermal utilization is people's concern extremely; the flat plate solar water heater in the market weak position always in China solar water heater family; because it is compared with the glass tube with vacuum solar thermal collector; be easy to and Integration of building, thereby obtain applying more and more widely.Particularly in recent years, people have researched and developed a kind of flat-plate solar collector of plate-type heat-pipe as heat conducting element that adopt,, bearing capacity good with its freeze proof resistance to frost be strong, without backheat, not overheated, non-scaling, the plurality of advantages such as not only thin but also light, become the novel flat-plate solar thermal collector that has development potentiality.
The solar heat-collection plate of flat panel solar heat collecting system and water tank are generally partial installations, and the hot water circuit mode has two kinds, and a kind of is the forced circulation mode, and another kind is natural circulation mode.Forced circulation is to adopt hot water circulating pump in system, forced circulation by circulating pump, the heat that collecting plate is absorbed constantly is sent in heat storage water tank, thereby the water in heat storage water tank is heated, this system, except adopting circulating pump, also will adopt expansion drum, relief valve, so system complex, cost is higher, and fault rate is large; Natural Circulation is that heat storage water tank is placed on solar heat-collection plate, density contrast after utilizing medium to be heated is realized flowing of circulation line medium, thereby constantly solar heat is delivered in heat storage water tank, although this system is comparatively easy, but heat exchange efficiency is lower, toggle speed is slow, it is unstable to conduct heat, the mounting condition requirement is high, has affected solar thermal utilization efficiency.
The latter will be radiated at solar heat on solar heat-collection plate by the main channel of flowing through of the liquid branch road in copper pipe, and by heat delivery, in heat storage water tank, thereby the passage of heat that liquid is flowed through is longer.If the evaporation cavity using the heat collector cavity of plate-type heat-pipe solar thermal collector as loop circuit heat pipe, spontaneously heat is passed to the condensation chamber be connected with heat storage water tank by loop circuit heat pipe, to be conducive to the heat efficient transmission and be delivered in heat storage water tank, a kind of efficient automatic cycle heat collector of can yet be regarded as.
Summary of the invention
The utility model purpose is: high for existing solar thermal collection system forced circulation mode system complex as above, cost, and natural circulation mode efficiency is low, unsettled defect, a kind of novel automatic circulation device of the photo-thermal for the plate-type heat-pipe solar thermal collector is provided, this device has the advantages such as system flow is simple, heat transfer efficiency is high, movement-less part, cost is low, bearing capacity is strong, heat transfer is stable, simple installation, this device is simply efficient, economical and practical, is conducive to realize solar building integrated.
The technical solution of the utility model is, automatic circulation device of warm water for heat pipe solar thermal collector, this device is mainly by evaporation cavity, evaporation channel, condensation chamber, condensation channel and plate-type heat-pipe solar thermal collector form, using the heat collector cavity of plate-type heat-pipe solar thermal collector as evaporation cavity, evaporation cavity is connected with the plate-type heat-pipe in heat collector, , evaporation cavity, evaporation channel, condensation chamber and condensation channel form an independently loop circuit heat pipe, the solar heat that can automatically solar thermal collector be absorbed is delivered in the heat storage water tank be connected with condensation chamber, thereby form the solar water natural cycle system, and efficient transferring heat.
Below the utility model is made and being further illustrated.
The described automatic circulation device of warm water based on heat pipe solar thermal collector, it is characterized in that being filled with in loop that evaporation cavity, evaporation channel, condensation chamber and condensation channel form the working medium of phase transformation effect, when the evaporation cavity heat, working medium in evaporation cavity is subject to thermal evaporation heat absorption, and steam flows to condensation chamber by evaporation channel; Steam-condensation heat release during by condensation chamber, by the cool water heating in heat storage water tank; Then, working medium is got back to heat absorption again in evaporation cavity by condensation channel, and so circulation, until heat the water in heat storage water tank.In this loop circuit heat pipe, the evaporation channel sectional area is greater than condensation channel, is processed with wing in triangular form, square type etc. in condensation channel, and its capillarity is greater than evaporation channel.The built-in capillary wick of evaporation channel.
The described automatic circulation device of warm water based on heat pipe solar thermal collector, is characterized in that condensation chamber is connected with heat storage water tank, and condensation chamber is placed in heat storage water tank directly and water carries out heat exchange.Condensation chamber is placed in outside heat storage water tank, built-in heat exchange coil in condensation chamber, and external heat storage water tank carries out heat exchange.
The described automatic circulation device of warm water based on heat pipe solar thermal collector, is characterized in that evaporation cavity adopts the condensation end laminating of welding or the mode of glueing joint and many plate-type heat-pipes in solar thermal collector.The condensation end of plate-type heat-pipe inserts in evaporation cavity.
Described based on the plate-type heat-pipe solar thermal collector, it is characterized in that being formed by solar absorber plate and the laminating of Duo Gen novel plate type heat pipe, or coat heat-absorbing material on the employing heat pipe and make.Heat-absorbent surface Chaoyang in solar heat-collection plate absorbs solar heat, and transfer heat to the plate-type heat-pipe fitted tightly with it, plate-type heat-pipe is passed the heat efficient transmission heat collector cavity of fitting with plate-type heat-pipe, evaporation cavity using heat collector cavity as loop circuit heat pipe, then by loop circuit heat pipe, heat is delivered in heat storage water tank.
Described novel plate type heat pipe inside arranges the micro heat pipe of a plurality of independent operatings, can solve the problem of the multiple-contact thermal resistance of utilizing conventional circular heat pipe to occur, has greatly improved the reliability of heat exchange area and the integral heat pipe of equivalent steam.The Flat-plate heat collector of design has overcome the shortcomings of existing solar thermal collector thus.
As known from the above, the automatic circulation device of warm water of the utility model based on heat pipe solar thermal collector, its good effect is as follows.
(1) very simple, the simple installation, with low cost of solar water heating system flow process described in the utility model, solved existing solar thermal collection system forced circulation mode system complex, cost is high, and conventional natural circulation mode efficiency is low, unsettled problem.
(2) due in the automatic circulation device of warm water based on heat pipe solar thermal collector described in the utility model, loop circuit heat pipe heat transmission capacity comes from the effect of self liquid phase-change, whole heat transfer process is spontaneous carrying out, do not need additional circulating pump, reduced the expense of operation and maintenance, be a kind of novel solar energy automatic cycle thermal-arrest mode, such solar energy equipment is particularly suitable for partial installation under construction, realizes solar building integrated.
(3) mode of carrying out Natural Circulation due to liquid temperature differential in the tube road with general is compared, the loop circuit heat pipe heat transfer efficiency is much higher, can conduct spontaneously, rapidly heat, thereby make this apparatus for heating water by solar energy heat transference efficiency very high, and it is stable to conduct heat.
(4) what adopt due to solar heat EGR described in the utility model is the heat transfer type of indirect type, thereby heat storage water tank is strong for the water end (W.E.) bearing capacity, and bearing capacity only depends on the pressure-bearing of water tank.
(5) heat transfer of loop circuit heat pipe is that the evaporation of evaporation cavity heat, steam flow to condensation chamber condensation heat release, are back to heat absorption again in evaporation cavity by condensation channel again by evaporation channel, loop like this, can control the highest water temperature in heat storage water tank by the character of working medium in loop circuit heat pipe like this, and can not produce superheating phenomenon.
The accompanying drawing explanation
The embodiment schematic diagram that Fig. 1 is solar energy heat collector described in the utility model.
Fig. 2 is the embodiment schematic diagram that plate-type heat-pipe solar thermal collector described in the utility model is connected with evaporation cavity.
Fig. 3 is plate-type heat-pipe and evaporation cavity relative position embodiment schematic diagram.
In the drawings:
1-evaporation cavity (heat collector cavity), 2-evaporation channel, 3-condensation chamber,
4-condensation channel, 5-solar heat-collection plate, 6-heat storage water tank,
7-absorber plate, 8-plate-type heat-pipe, 9-insulation material,
10-aluminum alloy frame, 11-transparent glass, 12-backboard.
The specific embodiment
As shown in Figure 1, this is based on the embodiment of the automatic circulation device of warm water of heat pipe solar thermal collector, this thermocirculator is mainly by evaporation cavity 1, evaporation channel 2, condensation chamber 3, condensation channel 4 and plate-type heat-pipe solar thermal collector 5 form, the outer wall of evaporation cavity 1 is connected with the tube wall way of contact with the 8 evaporation ends outer walls of plate-type heat-pipe in plate-type heat-pipe solar thermal collector 5, condensation chamber 1 is placed in heat storage water tank 6, evaporation cavity 1, evaporation channel 2, condensation chamber 3 forms a loop circuit heat pipe with condensation channel 4, the solar heat that can automatically solar heat-collection plate be absorbed passes in the heat storage water tank 6 be connected with condensation chamber 3, thereby form the solar water natural cycle system, and efficient transferring heat.
As shown in Figure 2, this is the embodiment that the plate-type heat-pipe solar thermal collector is connected with evaporation cavity, the plate-type heat-pipe solar thermal collector is comprised of transparent glass 11, absorber plate 7, plate-type heat-pipe 8, insulation material 9, backboard 12 and aluminum alloy frame 10, heat collector cavity is made to the evaporation cavity 1 of above-mentioned loop circuit heat pipe device, evaporation cavity 1 is placed in the back of plate-type heat-pipe 8, the mode indirect heat transfer that its outer wall contacts with tube wall with the outer wall of plate-type heat-pipe 8 evaporation ends.
As shown in Figure 3, this is the another embodiment of plate-type heat-pipe and evaporation cavity relative position in solar thermal collector, and in this embodiment, plate-type heat-pipe 8 directly inserts in the evaporation cavity 1 of loop circuit heat pipe, and the evaporation ends of plate-type heat-pipe 8 contacts with the working medium in evaporation cavity 1.

Claims (9)

1. the automatic circulation device of warm water based on heat pipe solar thermal collector, it is characterized in that, this device mainly is comprised of evaporation cavity, evaporation channel, condensation chamber, condensation channel and plate-type heat-pipe solar thermal collector, and evaporation cavity, evaporation channel, condensation chamber and condensation channel form an independently loop circuit heat pipe.
2. the automatic circulation device of warm water based on heat pipe solar thermal collector according to claim 1, is characterized in that using the heat collector cavity of plate-type heat-pipe solar thermal collector as evaporation cavity, and evaporation cavity is connected with the plate-type heat-pipe in heat collector.
3. the automatic circulation device of warm water based on heat pipe solar thermal collector according to claim 1, is characterized in that being filled with in loop that evaporation cavity, evaporation channel, condensation chamber and condensation channel form the working medium of phase transformation effect.
4. according to the described automatic circulation device of warm water based on heat pipe solar thermal collector of claim 1 or 2, it is characterized in that condensation chamber is placed in heat storage water tank directly and water carries out heat exchange.
5. according to the described automatic circulation device of warm water based on heat pipe solar thermal collector of claim 1 or 2, it is characterized in that condensation chamber is placed in outside heat storage water tank, built-in heat exchange coil in condensation chamber, external heat storage water tank carries out heat exchange.
6. according to the described automatic circulation device of warm water based on heat pipe solar thermal collector of claim 1 or 2, it is characterized in that evaporation cavity adopts the condensation end laminating of welding or the mode of glueing joint and many plate-type heat-pipes in solar thermal collector.
7. according to the described automatic circulation device of warm water based on heat pipe solar thermal collector of claim 1 or 2, it is characterized in that the condensation end of plate-type heat-pipe inserts in evaporation cavity.
8. the automatic circulation device of warm water based on heat pipe solar thermal collector according to claim 1, is characterized in that the evaporation channel sectional area is greater than condensation channel, is processed with wing in triangular form, square type in condensation channel, and its capillarity is greater than evaporation channel.
9. the automatic circulation device of warm water based on heat pipe solar thermal collector according to claim 1, is characterized in that the built-in capillary wick of evaporation channel.
CN201320430168.7U 2013-07-19 2013-07-19 Automatic hot water circulation device based on heat pipe solar thermal collector Expired - Fee Related CN203375741U (en)

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CN201320430168.7U CN203375741U (en) 2013-07-19 2013-07-19 Automatic hot water circulation device based on heat pipe solar thermal collector

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Application Number Priority Date Filing Date Title
CN201320430168.7U CN203375741U (en) 2013-07-19 2013-07-19 Automatic hot water circulation device based on heat pipe solar thermal collector

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103344052A (en) * 2013-07-19 2013-10-09 湖南蓝海能源科技有限公司 Solar collector system based on heat pipe natural circulation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103344052A (en) * 2013-07-19 2013-10-09 湖南蓝海能源科技有限公司 Solar collector system based on heat pipe natural circulation

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140101

Termination date: 20200719

CF01 Termination of patent right due to non-payment of annual fee