CN103868137A - Novel solar heat pipe heat collecting and storing floor radiation heating system - Google Patents
Novel solar heat pipe heat collecting and storing floor radiation heating system Download PDFInfo
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- CN103868137A CN103868137A CN201410085688.8A CN201410085688A CN103868137A CN 103868137 A CN103868137 A CN 103868137A CN 201410085688 A CN201410085688 A CN 201410085688A CN 103868137 A CN103868137 A CN 103868137A
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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Abstract
The invention discloses a novel solar heat pipe heat collecting and storing floor radiation heating system, comprising an outdoor flat plate solar heat collector, a fixing device and an indoor floor radiation cooling device; the outdoor solar flat plate heat collector comprises a heat pipe group with fins, a heat collecting plate, a honeycomb interlayer, a metal frame outer box body, a transparent glass cover plate and a heat preservation material; the heat pipe group, the heat collecting plate and the honeycomb interlayer are arranged in the metal frame outer box body; the transparent glass cover plate is positioned at the upper part of the metal frame outer box body; the heat preservation material is filled in the inside wall of the metal frame outer box body; the indoor floor radiation cooling device comprises an underground cooling header and an indoor heat pipe group which are connected to each other; a heat conduction material and a phase change material are filled in the underground cooling header; the evaporation section of the heat pipe group with the fins is positioned in the metal frame outer box body; the condensation section of the heat pipe group with the fins is positioned in the underground cooling header. The system does not need any power system, is energy-saving and environment-friendly and can be used as assisting heating equipment and main heating equipment.
Description
Technical field
The present invention relates to a kind of solar heat pipe heat-collection and heat-accumulation Radiant Floor Heating System, belong to solar utilization technique.
Background technology
Gravity assisted heat pipe, is called for short " two-phase closed type hot siphon ", is a kind of heat transfer element efficiently.When heat pipe work, evaporator section heat absorption, the heat that working solution absorbs tube wall elevates the temperature; When temperature gasifies during higher than saturated liquid temperature, pressure also increases thereupon; The lower condensation segment of steam flow pressure that gasification produces; Cooling at the managed outer medium of condensation segment, is condensed into liquid, emits latent heat; Condensation water returns to evaporator section under Action of Gravity Field, so moves in circles, and realizes transmission and the transfer of energy.Heat pipe utilizes the phase-change heat transfer of heat transfer medium, has good thermal conductivity, good isothermal, heat flow density changeability and the unidirectional advantage such as hot, is used widely at present in field of solar heat.
Now widely used solar thermal collector mainly comprises flat plate heat tube heat collector and electron tubes type heat pipe collector, and heat collector collecting efficiency height is the Quality degree of effective utilization of impact to solar energy directly.In view of electron tubes type heat pipe collector manufacturing process more complicated, technical difficulty larger, and not only performance brilliance of flat plate heat tube heat collector, there is heat transfer efficiency high, freezing tolerance is strong, stable work in work, the features such as long service life, and manufacturing process is comparatively simple, and therefore flat type solar heat collector becomes the ideal chose that is applied to field of solar heat.Research shows, cellular technology is combined and is applied to flat type solar heat collector with hot pipe technique, can greatly reduce surface heat loss, improves collecting efficiency.
Floor panel heating be with temperature not higher than the hot water of 60 DEG C, circulate being embedded in underfloor coil system, heat whole floor, by ground equably to a kind of heating system of indoor heat loss through radiation.Flooring radiation heat radiation, room temperature from bottom to top progressively declines along with the increase temperature of height, and this temperature curve just in time meets people's psychological need, gives the warm cool comfort of pin.Meanwhile, flooring radiation heating system is high compared with the convection current heating system thermal efficiency, even if indoor design temperature is lower 2～5 DEG C than convection type heating system, also can make people have same warm sensation, and therefore energy-saving benefit is remarkable.The discomforts such as in addition, compared with forced convertion circulating air heating, flooring radiation heat radiation cross-ventilation weakens, and has reduced spreading of harmful germ in air, also make moisture loss reduce, indoor scorching, the mouth parched and tongue scorched that has overcome that traditional heat-dissipating device causes.
Summary of the invention
Indoor sombre winter for area, Yangtze River Delta continent, without central heating, most of building adopts the distributing energy consumption equipments such as electrical heating, and this traditional heating mode exists uncomfortable, unhygienic, high in cost of production problem, the object of the invention is to propose a kind of solar heat pipe heat-collection and heat-accumulation Radiant Floor Heating System, utilize solar energy, in conjunction with the technological means of hot tube high-efficiency heat conduction, thermal-arrest and accumulation of heat, realize building zero energy consumption heating, to reach the effect of energy-conserving and environment-protective, reduction energy consumption.
Skill scheme of the present invention is:
A kind of new type solar energy heat pipe heat-collection and heat-accumulation Radiant Floor Heating System, comprise outdoor flat-plate solar collector, fixture and indoor floor heat loss through radiation device, outdoor plate solar collector is fixed on outside body of wall by fixture, it comprises finned heat pipe heat, collecting plate, honeycomb interlayer, metal frame outer case, clear glass cover plate and insulation material, described finned heat pipe heat, collecting plate and honeycomb interlayer are arranged in metal frame outer case, clear glass cover plate is positioned at the top of metal frame outer case, filled thermal insulation materials is at the madial wall of metal frame outer case, indoor floor heat loss through radiation device comprises underground radiation header and indoor heat pipe heat, and indoor heat pipe heat is connected with underground radiation header, is filled with heat-conducting medium and phase-change material in underground radiation header, the evaporator section of described finned heat pipe heat is positioned at metal frame outer case, and its condensation segment is positioned at underground radiation header.
Band fin heat pipe group evaporator section absorbs heat and emits heat at heat pipe condenser section, outdoor transfer of heat is arrived indoor, collect heat pipe condenser section heat by underground radiation header, part heat distribution gives indoor heat pipe heat for use, and unnecessary heat will be absorbed and store by phase-change material in header.
Described finned heat pipe heat is gravity assisted heat pipe, and its evaporator section surface scribbles coating for selective absorption; Described indoor heat pipe heat is gravity assisted heat pipe, and with fin, the angle of inclination between heat pipe and ground is 1 °.
The structure of described honeycomb interlayer is rectangular channel, circular channel, triangular duct or steam bubble type.
Described fixture is aluminium alloy right angle rack; Outdoor metal frame outer case adopts aluminium alloy, corrosion resistant plate, carbon steel sheet, plastics or glass-reinforced plastic material.
Further, described clear glass cover plate is the vacuum glas-cover board being made up of two blocks of plate glass, and the surrounding of two blocks of plate glass is sealed with glass cement, and interior surfaces of glass scribbles low-radiation film.
Described insulation material is phenol formaldehyde foam.
Described underground radiation header adopts fiberglass, and casing is cuboid, and the surrounding of casing is provided with the hole identical with heat pipe diameter, and the heat-conducting medium in underground radiation header is conduction oil, and phase-change material adopts the microcapsules of filling paraffin.
Beneficial effect of the present invention:
1. energy-saving effect is remarkable, applied widely.The design's origin of heat is all from solar energy, nontoxic, and clean environment firendly drives without outside resources.The heat pipe that has added selective coating improves heat-collecting temperature, and this system scope of application is expanded.
2. equipment is exquisite easily installs, easy to maintenance.The flat-plate collector that the design adopts takes up room little, degree of not affecting the appearance; Underground radiation header is reliability and durability, and regular maintenance expense is cheap, safe and reliable.
3. accumulation of heat effect is remarkable.Employing paraffin is low-temperature phase-change material, and latent heat of phase change value reaches 203KJ/Kg, can renew more heat, has solved room temperature rapid drawdown at night, the uncomfortable problem of human body.
4. heating system is comfortable, clean.Adopt after this device, indoor temperature can reach 22 degrees Celsius, and winter, indoor optimal temperature was generally 18 degrees Celsius to 25 degrees Celsius; Adopt radiant heating, not by mediums such as water, sanitary condition is good.
Brief description of the drawings
Below in conjunction with accompanying drawing and representative instance, the present invention will be further described.
Fig. 1 is the system schematic of the embodiment of the present invention, and wherein 1 is band fin heat pipe group, the 2nd, transparent vacuum glass cover-plate, the 3rd, metal frame outer case, the 4th, fixture, the 5th, underground radiation header, the 6th, indoor heat pipe heat.
Fig. 2 is that the A of Fig. 1 is to cutaway view.Wherein 7 is honeycomb interlayers, the 8th, collecting plate, the 9th, phenol formaldehyde foam heat-insulation layer.
Fig. 3 is the system indoor section construction schematic diagram of the present embodiment.
Fig. 4 is that the B of Fig. 3 is to cutaway view.Wherein 10 is heat-conducting oil media, the 11st, paraffin microcapsule.
Fig. 5 is finned gravity assisted heat pipe.
Detailed description of the invention
As shown in Figure 1, native system comprises band fin heat pipe group 1, transparent vacuum glass cover-plate 2, metal frame outer case 3, fixture 4, underground radiation header 5 and indoor heat pipe heat 6 to the structure of the present embodiment.Band fin heat pipe group 1, transparent vacuum glass cover-plate 2, metal frame outer case 3 form flat-plate solar collector; Flat-plate solar collector is fixed on outdoor body of wall by fixture 4; The band fin heat pipe group 1 that curves 135 ° is connected with underground radiation header 5 through body of wall; Indoor heat pipe heat 6 is connected with underground radiation header 5.
As shown in Figure 2, outdoor flat-plate solar collector is specifically made up of finned heat pipe heat 1, collecting plate 8, honeycomb interlayer 7, phenol formaldehyde foam heat-insulation layer 9, transparent vacuum glass cover-plate 2, metal frame outer case 3.Finned heat pipe heat 1 adopts and curves the gravity assisted heat pipe that 135 °, liquid filled ratio are 30%, make full use of the unidirectional hot and collecting efficiency advantages of higher of heat pipe, evaporator section at heat pipe scribbles coating for selective absorption, greatly improve solar energy heating efficiency, condensation segment is passed to underground radiation header 5 by adding fin reinforcing heat radiation by heat.Honeycomb interlayer 7 adopts circular channel structure, can effectively reduce the radiation heat loss of heat collector.Transparent vacuum glass cover-plate 2 utilizes the principle of vacuum heat-insulation, scribbles low-radiation film in interior surfaces of glass simultaneously, can improve collecting efficiency, and make heat-insulating property more superior.Casing adopts aluminium alloy to make, and is incubated with phenol formaldehyde foam layer.
As shown in Figure 3,4, indoor radiating device part is made up of underground radiation header 5, indoor heat pipe heat 6, conduction oil 10, paraffin microcapsule 11.Underground radiation header 5 receives the heat from outdoor heat pipe heat 1, carries out the conduction of heat by high-efficiency heat conduction medium-conduction oil, and wherein with the even blending of paraffin microcapsule 11, paraffin microcapsule 11 passes through phase-transition heat-storage storage compartment heat for night simultaneously.Indoor heat pipe heat 6 is connected with underground radiation header 5, absorbs the backward indoor heat loss through radiation of heat from conduction oil.The material of underground radiation header 5 is the fiberglass that antiseptic and rustproof intensity is large, and casing is cuboid, and surrounding has the hole identical with heat pipe diameter, and the conduction oil of even blending paraffin microcapsule is equipped with in inside, whole box sealing.
In this embodiment, room is non-energy saving building, room area 30m
2, floor height 3m.Wherein heat collector tube power is 239W/m
2, collector area is 1.35m
2if, long 80 ㎝ of heat pipe evaporator section, condensation segment length 50 ㎝, pipe external diameter is 42 ㎜, establishes 10 heat pipes in flat-plate solar collector, 35 heat pipes of interior heat pipe heat.Interior heat pipe heat size, quantity all can be according to adopted heat pipe model changes.
Claims (7)
1. a new type solar energy heat pipe heat-collection and heat-accumulation Radiant Floor Heating System, it is characterized in that, comprise outdoor flat-plate solar collector, fixture and indoor floor heat loss through radiation device, outdoor plate solar collector is fixed on outside body of wall by fixture, it comprises finned heat pipe heat, collecting plate, honeycomb interlayer, metal frame outer case, clear glass cover plate and insulation material, described finned heat pipe heat, collecting plate and honeycomb interlayer are arranged in metal frame outer case, clear glass cover plate is positioned at the top of metal frame outer case, filled thermal insulation materials is at the madial wall of metal frame outer case, indoor floor heat loss through radiation device comprises underground radiation header and indoor heat pipe heat, and indoor heat pipe heat is connected with underground radiation header, is filled with heat-conducting medium and phase-change material in underground radiation header, the evaporator section of described finned heat pipe heat is positioned at metal frame outer case, and its condensation segment is positioned at underground radiation header.
2. a kind of new type solar energy heat pipe heat-collection and heat-accumulation Radiant Floor Heating System according to claim 1, is characterized in that, described finned heat pipe heat is gravity assisted heat pipe, and its evaporator section surface scribbles coating for selective absorption; Described indoor heat pipe heat is the gravity assisted heat pipe with fin, and the angle of inclination between heat pipe and ground is 1 °.
3. a kind of new type solar energy heat pipe heat-collection and heat-accumulation Radiant Floor Heating System according to claim 1 and 2, is characterized in that, the structure of described honeycomb interlayer is rectangular channel, circular channel, triangular duct or steam bubble type.
4. a kind of new type solar energy heat pipe heat-collection and heat-accumulation Radiant Floor Heating System according to claim 1, is characterized in that, described fixture is aluminium alloy right angle rack; Described outdoor metal frame outer case adopts aluminium alloy, corrosion resistant plate, carbon steel sheet, plastics or glass-reinforced plastic material.
5. a kind of new type solar energy heat pipe heat-collection and heat-accumulation Radiant Floor Heating System according to claim 1, it is characterized in that, described clear glass cover plate is the vacuum glas-cover board being made up of two blocks of plate glass, the surrounding of two blocks of plate glass is sealed with glass cement, and interior surfaces of glass scribbles low-radiation film.
6. a kind of new type solar energy heat pipe heat-collection and heat-accumulation Radiant Floor Heating System according to claim 1, is characterized in that, described insulation material is phenol formaldehyde foam.
7. a kind of new type solar energy heat pipe heat-collection and heat-accumulation Radiant Floor Heating System according to claim 1, is characterized in that, described underground radiation header adopts fiberglass, and casing is cuboid, and the surrounding of casing is provided with the hole identical with heat pipe diameter; Described heat-conducting medium is conduction oil, and described phase-change material adopts the microcapsules of filling paraffin.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410085688.8A CN103868137B (en) | 2014-03-10 | 2014-03-10 | A kind of solar heat pipe heat-collection and heat-accumulation Radiant Floor Heating System |
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| CN201410085688.8A CN103868137B (en) | 2014-03-10 | 2014-03-10 | A kind of solar heat pipe heat-collection and heat-accumulation Radiant Floor Heating System |
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| CN103868137A true CN103868137A (en) | 2014-06-18 |
| CN103868137B CN103868137B (en) | 2016-08-17 |
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Cited By (4)
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| CN104613531A (en) * | 2015-01-28 | 2015-05-13 | 南京师范大学 | Separating heat pipe and flat plate solar indoor heat supply system |
| CN106016421A (en) * | 2016-05-13 | 2016-10-12 | 沈阳建筑大学 | Conduction oil roof radiation heating system with fresh air preheating function |
| CN106940035A (en) * | 2017-05-12 | 2017-07-11 | 天津商业大学 | A kind of pipe type solar heat accumulation of heat radiator |
| CN109539370A (en) * | 2017-08-16 | 2019-03-29 | 新疆工程学院 | A kind of Xinjiang region Kazak yurt phase-change constant-temperature system |
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| CN103411262A (en) * | 2013-07-25 | 2013-11-27 | 南京师范大学 | Novel solar heat tube heat collection and storage radiant heating system |
| CN103423799A (en) * | 2012-05-23 | 2013-12-04 | 新疆太阳能科技开发公司 | Solar heating system for geological trans-seasonal heat accumulation |
| CN203744370U (en) * | 2014-03-10 | 2014-07-30 | 南京师范大学 | Solar heat pipe radiant floor heating system |
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- 2014-03-10 CN CN201410085688.8A patent/CN103868137B/en not_active Expired - Fee Related
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| CN103423799A (en) * | 2012-05-23 | 2013-12-04 | 新疆太阳能科技开发公司 | Solar heating system for geological trans-seasonal heat accumulation |
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| CN203744370U (en) * | 2014-03-10 | 2014-07-30 | 南京师范大学 | Solar heat pipe radiant floor heating system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104613531A (en) * | 2015-01-28 | 2015-05-13 | 南京师范大学 | Separating heat pipe and flat plate solar indoor heat supply system |
| CN104613531B (en) * | 2015-01-28 | 2017-12-15 | 南京师范大学 | Separate heat pipe panel solar indoor heating system |
| CN106016421A (en) * | 2016-05-13 | 2016-10-12 | 沈阳建筑大学 | Conduction oil roof radiation heating system with fresh air preheating function |
| CN106940035A (en) * | 2017-05-12 | 2017-07-11 | 天津商业大学 | A kind of pipe type solar heat accumulation of heat radiator |
| CN109539370A (en) * | 2017-08-16 | 2019-03-29 | 新疆工程学院 | A kind of Xinjiang region Kazak yurt phase-change constant-temperature system |
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| CN103868137B (en) | 2016-08-17 |
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Granted publication date: 20160817 Termination date: 20190310 |