CN202229291U - Indoor geothermal heating structure with capillary net and phase change heat storage material - Google Patents
Indoor geothermal heating structure with capillary net and phase change heat storage material Download PDFInfo
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- CN202229291U CN202229291U CN 201120239691 CN201120239691U CN202229291U CN 202229291 U CN202229291 U CN 202229291U CN 201120239691 CN201120239691 CN 201120239691 CN 201120239691 U CN201120239691 U CN 201120239691U CN 202229291 U CN202229291 U CN 202229291U
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/12—Hot water central heating systems using heat pumps
Abstract
The utility model discloses an indoor geothermal heating structure with a capillary net and a phase change heat storage material, belonging to the technical field of solar building heating. The indoor geothermal heating structure comprises a floor decorative layer, an upper layer phase change material, a capillary net grid, a lower layer phase change material, a reflection film, a heat-insulating layer and a floor base layer from the top down. The floor decorative layer is supported by keel frames paved on the heat-insulating layer, the keel frames pass through intervals of the capillary net grid, and each phase change material is arranged between adjacent keel frames. Hot water of a low-temperature heat source exchanges heat with the upper layer phase change material and the lower layer phase change material in capillaries and then supplies heat for a room through the floor decorative layer; and the phase change material is solidified to discharge heat and then supplies heat for the room through the floor decorative layer at night. The indoor geothermal heating structure with the capillary net and the phase change heat storage material, disclosed by the utility model, has the characteristics of large heat exchange area, uniform temperature, fast start, small floor area, better flexibility for arranging and convenience for installation, and has the advantages of uniform indoor temperature, good comfortableness of indoor heat, wide application prospect and good popularization value.
Description
Technical field
The utility model belongs to the heating in solar energy building technical field, the indoor geothermal heating structure of particularly a kind of capillary network and phase change heat storage material.
Background technology
Building energy conservation will improve the performance and the heating and air-conditioning system efficient of building enclosure on the one hand; Making full use of natural energy resources on the other hand is an important approach; Therefore various solar building technology have been developed; Passive type is like directly be benefited formula, heat collecting and accumulating wall type etc., and is active like the solar water radiant floor heating system.The solar energy resources energy-flux density is low, intermittent and unsettled characteristics need develop energy storage technology to make full use of.It is that variations in temperature is big, heat storage capacity is relatively little that conventional method is utilized the shortcoming of floor concrete sensible heat accumulation of heat; And phase-change material can the form with latent heat absorb or discharge great amount of heat under isothermal or approximate isothermal condition; The equivalent specific heat of latent heat of phase change in certain temperature range is far longer than the sensible heat of common normal rerum natura material; So utilize phase-change material to store solar energy remarkable advantages is arranged, so people have developed solar water-phase-transition heat-storage floor heating system.Daytime, phase-change material melted storage from the unnecessary heat of solar water, discharged evening to room air again and improved its temperature.But owing to the floor hot-water coil pipe more slightly exists thereby to reduce floor height, tube pitch big thereby hold that rate of heat release is low to be started slowly and problems such as non-uniform temperature.The indoor geothermal heating structure of utilizing capillary network and phase change heat storage material that the present invention proposes has that heat exchange area is big, more uniform temperature, startup soon, occupy little space and arrange characteristics such as more flexible; Solved traditional phase-change floor hot water heating mode and held little and then slow and these problems of non-uniform temperature of room intensification of rate of heat release, for improving solar thermal utilization rate and indoor thermal comfort and reducing conventional heating air conditioning energy consumption and then realize that building energy conservation is significant.
The utility model content
The purpose of the utility model is that to utilize the shortcoming of floor concrete sensible heat accumulation of heat to conventional method be the deficiency that variations in temperature is big, heat storage capacity is relatively little; The indoor geothermal heating structure of a kind of capillary network and phase change heat storage material is proposed; It is characterized in that concrete structure comprises floor decorative layer, upper strata phase-change material, capillary network grid, lower floor's phase-change material, reflectance coating, heat-insulation layer and flooring base from top to bottom.The floor decorative layer supports by the keel frame on the heat-insulation layer that is laid in, and the keel frame passes from the ligament of capillary network grid, and phase-change material layers is arranged between the adjacent keel frame.
Said upper and lower phase-change material layers is but is not limited to the inorganic phase-changing material of bag encapsulation or the organic phase change material of interpolation fireproof agent that said phase-change material is Na
2SO
410H
2O, GaCl
26H
2O or octadecane.
Said capillary two ends are communicated with feed pipe and return pipe respectively, compose in parallel the capillary network grid by many capillaries.
The beneficial effect of the utility model is an indoor geothermal heating structure of utilizing capillary network and phase change heat storage material; Heat exchange area is big because the capillary network grid have, temperature is even, it is fast to start, occupy little space and arrange more flexible characteristic; That has improved phase-change material holds heat release usefulness; Thereby improved the efficient of solar heat water heating system, made indoor temperature more even in addition, thereby improved indoor hot comfort.This geothermal heating structure has solved phase-change floor hot water heating mode and has held little and then the slow and uneven temperature defective of room intensification of rate of heat release, and has reduced the downward heat loss of floor heating.The present invention is for improving solar thermal utilization rate and indoor thermal comfort and reducing conventional heating air conditioning energy consumption and then realize that building energy conservation is significant.In addition, the utility model is simple in structure, and is easy for installation; Save the space, good reliability is suitable for the use under construction of solar water floor heating.
Description of drawings
Fig. 1 is the indoor floor hot water heating structure normal cross-section sketch map of capillary network and phase-transition heat-storage.
Fig. 2 is the indoor floor hot water heating structure flat cutting face sketch map of capillary network and phase-transition heat-storage.
The specific embodiment
The utility model provide have hold rate of heat release height, temperature evenly, solar thermal utilization rate and the high a kind of indoor geothermal heating structure of utilizing capillary network and phase change heat storage material of indoor hot comfort, the concrete structure of this geothermal heating structure such as Fig. 1, shown in Figure 2.It is said that to utilize the indoor geothermal heating structure of capillary network and phase change heat storage material be to comprise floor decorative layer 1, upper strata phase-change material 2, keel frame 3, capillary network grid 4, lower floor's phase-change material 5, reflectance coating 6, heat-insulation layer 7 and flooring base 8 from top to bottom.Heat-insulation layer 7 is laid on the flooring base 8; Floor decorative layer 1 supports by the keel frame on the heat-insulation layer 7 that is laid in 3, and keel frame 3 passes from the ligament of capillary network grid 4, and phase-change material layers is arranged between the adjacent keel frame up and down.The capillary two ends are communicated with feed pipe 9 and return pipe 10 respectively.Flow through in capillary from the hot water of low-temperature heat source (solar water heater or auxiliary thermal source) daytime and conduct heat and give upper and lower layer phase-change material; Upper and lower layer phase-change material melted; Melted phase-change material heat is stored, simultaneously through the room heat supply of floor decorative course; Evening, phase-change material solidified heat release through the room heat supply of floor decorative course.
Said upper and lower phase-change material layers can be but be not limited to bag inorganic phase-changing material of encapsulation (like Na
2SO
410H
2O, GaCl
26H
2O) or add the organic phase change material (like octadecane etc.) of fireproof agent, satisfy the Building Fire Protection demand.The phase transition temperature of said phase-change material is between 28-32 ℃, suitable solar energy or auxiliary thermal source hot water heating floor temperature requirement, and latent heat of phase change is bigger; Pouch can with but be not limited to the higher aluminium foil of thermal conductivity factor or tinfoil paper and make, have certain deformability can make upper and lower layer phase-change material closely contact capillary clamped wrap in wherein, phase-change material thickness and total amount satisfy the indoor heating designing requirement.
Said capillary external diameter is at 3-5mm, and tube pitch is 15-30mm, and between the capillary pipe length 0.8-1.5m, two ends are communicated with feed pipe 9 and return pipe 10 respectively, compose in parallel capillary network grid 4 by many capillaries.The phase-transition heat-storage floor panel structure in a room can be made up of polylith capillary network grid.The material of capillary network grid can but be not limited to plastic tubes such as PP-R, PE, PE-RT.
Said floor decorative layer can be but be not limited to timber floor that thickness is decided according to the building decoration timber floor, satisfies indoor article load-bearing requirement.The keel chord position of support floor decorative layer is on heat-insulation layer and reflectance coating; Can embed heat-insulation layer and peg; Its material can be but be not limited to materials such as wood, steel, and its size is according to two-layer phase-change material bed thickness up and down and satisfy indoor article and floor decorative layer load-bearing requirement and deciding.
Said insulation layer thickness can but be not limited to 50mm, material can be styrofoam (but being not limited thereto).
Said indoor geothermal heating structure hot water can be from solar water heater, and the hot water temperature can be incubated relevant with parts such as local climate, solar thermal collector area, arrangement and water tanks between 35-45 ℃; Daytime, hot water provided heat part to be stored by phase-change material layers, part through the floor to being uploaded to space air; Evening, phase-change material solidified to the room heat release, improved indoor hot comfort.Simple in structure, easy for installation, save the space, good reliability.
Claims (5)
1. the indoor geothermal heating structure of capillary network and phase change heat storage material is characterized in that concrete structure comprises floor decorative layer, upper strata phase-change material, capillary network grid, lower floor's phase-change material, reflectance coating, heat-insulation layer and flooring base from top to bottom.The floor decorative layer supports by the keel frame on the heat-insulation layer that is laid in, and the keel frame passes from the ligament of capillary network grid, and phase-change material layers is arranged between the adjacent keel frame.
2. according to the indoor geothermal heating structure of said a kind of capillary network of claim 1 and phase change heat storage material; It is characterized in that; Said upper and lower phase-change material layers is but is not limited to the inorganic phase-changing material of bag encapsulation or the organic phase change material of interpolation fireproof agent that said phase-change material is Na
2SO
410H
2O, GaCl
26H
2O or octadecane.
3. according to the indoor geothermal heating structure of said a kind of capillary network of claim 1 and phase change heat storage material, it is characterized in that said capillary two ends are communicated with feed pipe and return pipe respectively, compose in parallel the capillary network grid by many capillaries.
4. according to the indoor geothermal heating structure of said a kind of capillary network of claim 1 and phase change heat storage material; It is characterized in that; With the pouch of the phase-change material layers of bag encapsulation with but be not limited to the higher aluminium foil of thermal conductivity factor or tinfoil paper is made, have certain deformability can make upper and lower layer phase-change material closely contact capillary clamped wrap in wherein.
5. according to the indoor geothermal heating structure of said a kind of capillary network of claim 1 and phase change heat storage material,, it is characterized in that said low-temperature heat source is solar water heater or auxiliary heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120239691 CN202229291U (en) | 2011-07-08 | 2011-07-08 | Indoor geothermal heating structure with capillary net and phase change heat storage material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120239691 CN202229291U (en) | 2011-07-08 | 2011-07-08 | Indoor geothermal heating structure with capillary net and phase change heat storage material |
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| CN202229291U true CN202229291U (en) | 2012-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201120239691 Expired - Fee Related CN202229291U (en) | 2011-07-08 | 2011-07-08 | Indoor geothermal heating structure with capillary net and phase change heat storage material |
Country Status (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106123100A (en) * | 2016-08-16 | 2016-11-16 | 中国建筑材料科学研究总院 | Ground-warming system and method |
| CN109028266A (en) * | 2018-06-04 | 2018-12-18 | 东南大学 | A kind of floor heating module with energy storage materials of phase change |
-
2011
- 2011-07-08 CN CN 201120239691 patent/CN202229291U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106123100A (en) * | 2016-08-16 | 2016-11-16 | 中国建筑材料科学研究总院 | Ground-warming system and method |
| CN109028266A (en) * | 2018-06-04 | 2018-12-18 | 东南大学 | A kind of floor heating module with energy storage materials of phase change |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 Termination date: 20130708 |