CN204983188U - Heat exchange low carbon building energy conservation wall - Google Patents
Heat exchange low carbon building energy conservation wall Download PDFInfo
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- CN204983188U CN204983188U CN201520467916.8U CN201520467916U CN204983188U CN 204983188 U CN204983188 U CN 204983188U CN 201520467916 U CN201520467916 U CN 201520467916U CN 204983188 U CN204983188 U CN 204983188U
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Abstract
The utility model provides a heat exchange low carbon building energy conservation wall, including basic unit's wall body, characterized by: the outside of basic unit's wall body is by interior and set gradually outward to entity heat preservation, dead weight formula circulating pipe way, air interlayer and exterior trim surface course, be provided with a set of air intake on the exterior trim surface course, air interlayer's top is provided with air outlet and absorber plate. The utility model discloses a dead weight formula circulating water system and air interlayer combine together, and make full use of seals the air interlayer characteristics thermal -insulated with ventilation air interlayer that keep warm, make the wall body not by a wide margin on the basis of incremental cost, having the good result that keeps warm at a distance from heat energy -saving. Air interlayer's air intake can be opened and close according to the condition in season. The air intake was closed winter, and air interlayer becomes confined air interlayer, had increased the heat preservation ability of wall body.
Description
Technical field
The utility model relates to energy-saving building technology field, specifically, relates to a kind of interchange of heat low-carbon (LC) building energy conservation wall.
Background technology
Along with the fast development of World Economics, energy shortage becomes the realistic problem that can not be ignored.At present, there is the energy consumption of nearly 30% in the whole world on building, if things go on like this, will have a strong impact on and govern the sustainable development of World Economics.Energy conservation has been subject to the common concern of countries in the world, and China is no exception.Current, the building energy consumption of China accounts for 1/4 of the total energy in the whole nation, occupies power consumption first place, the heating of especially building and air conditioning energy consumption, and be also ascendant trend year by year, therefore building energy conservation is very urgent.Energy-saving design in construction is a very important link in comprehensive building energy conservation, is conducive to the waste of stopping the energy from source.And in building, as the exterior wall of peripheral structure and roof be the main portions of power consumption, therefore the energy-saving design on exterior wall and roof is exactly the most important thing.The coefficient of thermal conductivity of air under normal temperature condition is 0.03W/ (mK), well below the coefficient of thermal conductivity of architectural conventional heat preserving and insulating material, in architectural design, therefore often utilizes air space as the heat insulation layer of space enclosing structure.
Summary of the invention:
The technical problems to be solved in the utility model is to provide a kind of interchange of heat low-carbon (LC) building energy conservation wall, to reduce the energy consumption of building, reaches the effect of heat-insulation and heat-preservation.
The utility model adopts following technical scheme to realize goal of the invention:
A kind of interchange of heat low-carbon (LC) building energy conservation wall, comprise base course wall, it is characterized in that: the outside of described base course wall sets gradually as entity insulation layer, self gravity type circulation waterpipe, air space and exterior trim surface layer from inside to outside, described exterior trim surface layer is provided with one group of air intake, the top of described air space is provided with air outlet and absorber plate.
As the further restriction to the technical program, described entity insulation layer forms by extruded polystyrene board is bonding with glue powder polyphenyl particle.
As the further restriction to the technical program, anticracking grout compound alkali resistant glass fibre open weave cloth and flexible waterproof putty are laid in the outside of described entity insulation layer.
As the further restriction to the technical program, described base course wall is cast in situ ferroconcrete wall body.
As the further restriction to the technical program, described base course wall and described entity insulation layer pass through bonding connection.
As the further restriction to the technical program, described air space is separated by by described entity insulation layer and described exterior trim surface layer and is formed, and arranges described air intake every certain floor height layering.
As the further restriction to the technical program, described self gravity type circulation waterpipe is arranged in described air space, and near described entity insulation layer, described self gravity type circulation waterpipe is snakelikely to lay along described entity insulation layer, and the gradient is 1%.
Compared with prior art, advantage of the present utility model and good effect are: self gravity type circulation water system of the present utility model combines with air space, and make full use of the feature that occluded air interbed is incubated and vent air interbed is heat insulation, make body of wall increase on the basis of cost not significantly, there is the good result of thermal-insulation energy-conservation.The air intake of air space can open and close according to seasonal conditions.Winter, air intake was closed, and air space becomes closed air space, adds the insulating power of body of wall; Recirculated water obtains heat by ground origin system simultaneously, and when flowing through exterior wall, release heat, decreases the heat loss of exterior wall, further enhancing the insulation of body of wall.Summer, air intake was opened, air layer just becomes vent air interbed, the air of flowing takes away a large amount of waste heats on the one hand, recirculated water is cooled by ground origin system on the other hand, when flowing through exterior wall, absorb the heat of air in air space, further reduce and enter indoor heat, serve heat insulation effect.
Accompanying drawing explanation
Fig. 1 is the overall sectional drawing of body of wall of the present utility model.
Fig. 2 is wall structure schematic diagram.
Fig. 3 is self gravity type circulation waterpipe schematic diagram.
In figure, 1-base course wall, 2-tack coat, 3-extruded polystyrene board, 4-glue powder polyphenyl particle layer, 5-anticracking grout compound alkali resistant glass fibre open weave cloth, 6-flexible waterproof putty, 7-self gravity type circulation waterpipe, 8-air space, 9-exterior trim surface layer, 10-air intake, 11-air outlet, 12-absorber plate.
Detailed description of the invention:
Below in conjunction with example, further illustrate the utility model.
See Fig. 1-Fig. 3, the utility model comprises base course wall 1, the outside of described base course wall 1 sets gradually as entity insulation layer, self gravity type circulation waterpipe 7, air space 8 and exterior trim surface layer 9 from inside to outside, described exterior trim surface layer 9 is provided with one group of air intake 10, the top of described air space 8 is provided with air outlet 11 and absorber plate 12; Described entity insulation layer forms by extruded polystyrene board 3 is bonding with glue powder polyphenyl particle layer 4; Anticracking grout compound alkali resistant glass fibre open weave cloth 5 and flexible waterproof putty 6 are laid in the outside of described entity insulation layer; Described base course wall 1 is cast in situ ferroconcrete wall body; Described base course wall 1 is connected by tack coat 2 with described entity insulation layer; Described air space 8 is separated by by described entity insulation layer and described exterior trim surface layer 9 and is formed, and arranges described air intake 10 every certain floor height layering; Described self gravity type circulation waterpipe 7 is arranged in described air space 8, and near described entity insulation layer, described self gravity type circulation waterpipe 7 lays along described entity insulation layer in snakelike, and the gradient is 1%.
1, self gravity type circulation water system
Self gravity type circulation waterpipe is connected with ground origin system.Utilize ground can the characteristic of temperature stabilization throughout the year, winter can as thermal source ground, heat cycles water, when circulating water flow is through exterior wall, carries out exchange heat with the air in air space on the one hand, improve air themperature, on the other hand with solid wall heat exchange, improve wall surface temperature, reduce the appearance of condensation in insulation layer, serve the effect of insulation.Summer can as low-temperature receiver ground, cooling circulating water, when recirculated water relies on deadweight to flow down along wall, on the one hand with the air heat-exchange in ventilation interbed, be equivalent to for body of wall adds one barrier on the other hand, reduce further and enter indoor heat, serve heat insulation effect.
2, air space
Air space 8 is different at the working mechanism in season in summer in winter two.Winter air interbed 8 is for what close, and now air intake 10 Close All is static air in air space 8; Summer, each air intake 10 was opened, and is the air of flowing, takes away waste heat in air space 8.
(1) winter condition
Diabatic process in occluded air interbed 8 is different from layers of solid material.With heat-conducting mode transferring heat in layers of solid material.And in air space 8, heat conduction, convection current and radiation three kinds of heat transfer types also exist all significantly, its diabatic process is actually the heat transfer process between two surfaces of a limited air layer, comprises heat convection and radiation heat transfer.Therefore, the unlike solid material layer of air space 8, after material thermal conductivity is certain, thermal resistance and the thickness of material layer are proportional.In air space 8, its thermal resistance depends primarily on the fix density of radiate heat exchange between air boundary layer thickness on interbed two interfaces and interface.So, there is not the relation increased pro rata between the thermal resistance of air space 8 and thickness.Binding experiment test result and engineering actual state, the air space of 50mm thickness can well play insulation effect.In the utility model, the air space 8 of body of wall all adopts 50mm.In addition, for air space 8, in total heat output, the ratio that radiation heat transfer accounts for is maximum, therefore, should take measures to reduce Radiant exothermicity.
(2) summer condition
The each air intake 10 of air space 8 in summer is opened, and outdoor air flows through air space 8, takes away the heat that part is imported into from exterior trim surface layer 9, thus reduces the heat importing indoor through basic unit into.The effect of heat insulation of air space 8, mainly walks heat by ventilation strip.The heat taken away by air space 8 air is larger, then import indoor heat into less.Ventilation is relevant with factors such as the power that air flows, draught areas.
Blast and hot pressing are the power of air flowing, and its design formulas is as follows:
(1) blast:
In formula: p-blast, Pa; V-wind speed, m/s; ρ
e-outdoor air density, kg/m
3; G-acceleration of gravity, m/s
2; K-aerodynamic coefficient.
From formula, the size of Action of Wind pressure depends on the leeway of generation.In the utility model by the entering of air intake, air outlet is separately positioned on zone of positive pressure and negative pressuren zone, to improve the effect that blast ventilates.
(2) hot pressing:
ΔP＝h(ρ
e-ρ
i)kg/m
2(2)
In formula: Δ P-hot pressing, Pa; The vertical distance of h-enter, air outlet centreline space, m; ρ
e-outdoor air density, kg/m
3; ρ
i-room air density, kg/m
3.
From formula, the size of hot pressing function depends on the difference in height of the atmospheric density difference that the indoor-outdoor air temperature difference causes and air inlet/outlet, adopt in the utility model and air intake is set at different floor height, and choose color, the material of suitable air intake, to improve Ventilation effect.
Claims (7)
1. an interchange of heat low-carbon (LC) building energy conservation wall, comprise base course wall, it is characterized in that: the outside of described base course wall sets gradually as entity insulation layer, self gravity type circulation waterpipe, air space and exterior trim surface layer from inside to outside, described exterior trim surface layer is provided with one group of air intake, the top of described air space is provided with air outlet and absorber plate.
2. interchange of heat low-carbon (LC) building energy conservation wall according to claim 1, is characterized in that: described entity insulation layer forms by extruded polystyrene board is bonding with glue powder polyphenyl particle.
3. interchange of heat low-carbon (LC) building energy conservation wall according to claim 2, is characterized in that: anticracking grout compound alkali resistant glass fibre open weave cloth and flexible waterproof putty are laid in the outside of described entity insulation layer.
4. interchange of heat low-carbon (LC) building energy conservation wall according to claim 1, is characterized in that: described base course wall is cast in situ ferroconcrete wall body.
5. interchange of heat low-carbon (LC) building energy conservation wall according to claim 1, is characterized in that: described base course wall and described entity insulation layer pass through bonding connection.
6. interchange of heat low-carbon (LC) building energy conservation wall according to claim 1, is characterized in that: described air space is separated by by described entity insulation layer and described exterior trim surface layer and is formed, and arranges described air intake every certain floor height layering.
7. interchange of heat low-carbon (LC) building energy conservation wall according to claim 1, it is characterized in that: described self gravity type circulation waterpipe is arranged in described air space, near described entity insulation layer, described self gravity type circulation waterpipe is snakelikely to lay along described entity insulation layer, and the gradient is 1%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520467916.8U CN204983188U (en) | 2015-07-02 | 2015-07-02 | Heat exchange low carbon building energy conservation wall |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520467916.8U CN204983188U (en) | 2015-07-02 | 2015-07-02 | Heat exchange low carbon building energy conservation wall |
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| Publication Number | Publication Date |
|---|---|
| CN204983188U true CN204983188U (en) | 2016-01-20 |
Family
ID=55117570
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|---|---|---|---|
| CN201520467916.8U Active CN204983188U (en) | 2015-07-02 | 2015-07-02 | Heat exchange low carbon building energy conservation wall |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105040854A (en) * | 2015-07-02 | 2015-11-11 | 山东工艺美术学院 | Self-falling type heat exchange energy-saving wall and heat transfer calculation method |
| CN105821987A (en) * | 2016-04-14 | 2016-08-03 | 内蒙古工业大学 | Cellular convection ventilation exterior wall heat insulation device |
-
2015
- 2015-07-02 CN CN201520467916.8U patent/CN204983188U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105040854A (en) * | 2015-07-02 | 2015-11-11 | 山东工艺美术学院 | Self-falling type heat exchange energy-saving wall and heat transfer calculation method |
| CN105821987A (en) * | 2016-04-14 | 2016-08-03 | 内蒙古工业大学 | Cellular convection ventilation exterior wall heat insulation device |
| CN105821987B (en) * | 2016-04-14 | 2017-09-19 | 内蒙古工业大学 | A kind of cellular ventilation by forced draft exterior-wall heat insulation device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |