CN101457563A - Enclosure structure energy-conserving reconstruction method for existing workshop - Google Patents
Enclosure structure energy-conserving reconstruction method for existing workshop Download PDFInfo
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- CN101457563A CN101457563A CNA2007101723205A CN200710172320A CN101457563A CN 101457563 A CN101457563 A CN 101457563A CN A2007101723205 A CNA2007101723205 A CN A2007101723205A CN 200710172320 A CN200710172320 A CN 200710172320A CN 101457563 A CN101457563 A CN 101457563A
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Abstract
The invention relates to an energy saving modification method for a factory building exterior protective construction. The method comprises the steps as follows: a transparent ceiling is added on the roof; a ventilating skylight is arranged on the top; a ventilating roof ridge is manufactured, or a dormant window is made at a certain distance; an old steel window is modified to improve the heat engineering performance of the window; heat preservation modification is carried out on the outer wall to improve the performances of heat preservation and heat insulation of the wall body of the building. The modification of the old steel window means that the old steel window is changed into a faulting heat aluminium alloy hollow window. The heat preservation modification of the outer wall means that an inorganic heat preservation sand pulp or an EPS/XPS external thermal insulation system is adopted. The method adopts the transparent ceiling by which the original roof of the old factory building can be seen; furthermore, the ventilating skylight is arranged on the top, so as to achieve the effect of good ventilation, heat insulation and natural lighting; the outer wall adopts a proper heat preservation mode such as the inorganic heat preservation sand pulp external thermal insulation system or the EPS/XPS external thermal insulation system, thus having good functions of heat preservation and heat insulation; by adopting the comprehensive exterior protected construction modification, the invention has the advantages of low cost, simple construction and short period, and can saves more than 15% of the energy than the energy consumed before modification.
Description
Technical field
The invention belongs to building field, relate to the roofing energy saving retrofit technology, especially the transformation of factory building (industrial premises, warehouse and similar large space span building).
Background technology
The reducing energy consumption of roofing must be repaired with waterproof and be combined.Common reforming mode comprises that flat roof deck adds the insulation layer heat-insulation system and flat roof deck changes the pitched roof heat-insulation system at present.Before the roofing reducing energy consumption, tackle former roofing surface layer and handle, clear up the surface, mend a split, scalp the hollowing position, the thickness of insulation layer should be determined according to the result of energy-conservation assessment, the roofing thermal transmittance is met design requirement.
1. polyphenyl plate (EPS or XPS) roof heat insulation system
Adopt polyphenyl plate heat preserving system, should root out the waterproofing course that former roofing damages, damage, also should root out former insulation layer as former insulation layer.Heat-insulation system generally is made up of setting course, polyphenyl plate heat preserving layer, overcoat and finish coat.Polyphenyl plate is used for the flat roof deck insulation, can adopt and do the shop, also can adopt the adhesive material compatible with the waterproofing course wood property to paste.
2. hard polyaminoester waterproofing and thermal insulation of roofing system
Can keep former roofing heat-insulating layer to intact or intact substantially roofing, directly carry out hard polyaminoester waterproofing and thermal insulation of roofing system handles; To damaging or the badly damaged roofing, must root out damaged location, carry out hard polyaminoester waterproofing and thermal insulation of roofing system handles again.Hard polyaminoester waterproofing and thermal insulation of roofing system is divided into not accessible roof and accessible roof.Accessible roof generally is not made up of the thin pulp of filming, hard polyaminoester insulation layer, film thin pulp and enhancing anti-crack mastic topping and colored, water-repellent coating protective layer.Accessible roof is generally formed by the thin pulp of filming, hard polyaminoester insulation layer, nonwoven (or plastic sheeting) separation layer, pea gravel concreten topping and bulk or floor tile paving.
3. flat roof deck changes the pitched roof heat-insulation system
The flat roof that heat-insulating property is relatively poor changes pitched roof or pitched roof into, has both improved the thermal property on roof, helps roof water-proof again, designs the proper usage space that can increase building, beautifies the effect of architectural appearance in addition.Qingdao City's take the lead in from the beginning of the nineties " flat-changed-into-sloping ", Shanghai implement subsequently on a large scale.Watt material of current " flat-changed-into-sloping " is used the new type colorful cement tile more, and high-grade product is a malthoid watt.This engineering is carried out in Nanjing on a large scale, and what have props up concrete thin plates with lightgage steel joist on former flat roof deck, and what have only does shape with the scrap iron skin and get by under false pretences.The former has certain effect, and the latter more almost hot working effect does not have.Pitched roof truly should ventilate, and so just can in time see heat off.Can make Fig. 1, roof cornice shown in Figure 2 and ridge and ventilate, or dormer window ventilate (closing the air port winter to reach the insulation purpose)
If transform the Central Plains flat roof deck insulation layer is arranged, after checking computations, what reach the roof heat insulation requirement can not establish insulation layer in addition.For being the pitched roof of basic unit with steel concrete, insulation layer should be located at basic unit's upside; With the lightweight steel construction is the pitched roof of basic unit, and insulation layer should be arranged on the subbase upside.Higher when the building physical features, do not have and block on every side, or be located in the air port, or when being highrise building, its roofing may be subjected to than the strong wind effect, easily causes roofing tile to damage, and should take fixedly strengthening measure.Roof pitch is during greater than 1:2, and whole watts of materials all should be taked fixedly strengthening measure; When roof pitch was 1:3～1:2, a row of two rows that cornice (ditch) is located watt and ridge both sides watt should take fixedly strengthening measure.
4. planted roof
On the roof, plant plant, utilize photosynthesis of plants, heat energy is converted into biochemical energy, utilize the transpiration of plant leaf surface to increase the evaporative heat loss amount simultaneously, all can reduce the outdoor integrated temperature on roof greatly; Utilize the thermal resistance and the thermal inertia of plant culture material, can reduce internal surface temperature and temperature amplitude.The designing requirement of roof greening comprises that layer of plants, nutrition soil, draining and strainer, separating layer, plant roots stop layer, waterproofing course, insulation layer, steam obstruction layer, basis.The internal surface temperature that investigation shows planted roof is than low 2.8～7.7 ℃ of other roofing, and the temperature amplitude only is 1/4 of no isolation layer rigid waterproofing roof.
For the transformation of existing workshop building with own characteristic, more than several mode prior roofs power save modes can't be directly, be applied simply.
Summary of the invention
The object of the present invention is to provide a kind of existing workshop roofing energy-conserving reconstruction method,, improved factory building has good function of heat insulation; And cost is low, the construction simple, the cycle is short, and play the good ventilating heat-proof and the effect of natural lighting.
For reaching above purpose, solution of the present invention is:
A kind of roofing energy-conserving reconstruction method comprises:
Acquire transparent ceiling on the roof;
Ventilating skylight is offered at the top;
Make ventilating roof ridge or at certain intervals apart from making dormer window;
Old steel sash is promoted the window thermal property;
Exterior wall is incubated transformation to strengthen the thermal and insulating performance of building masonry wall.
Further: this transparent ceiling is selected the heat insulation organic material of printing opacity for use, and its visible light transmissivity is higher, and to infrared lower with transmitance ultraviolet light, and have lower coefficient of thermal conductivity.
Old steel sash transformation is meant old steel sash is replaced by disconnected hot aluminium alloy hollow window.
Exterior wall is incubated transformation is meant employing inorganic heat insulation mortar or EPS/XPS external thermal insulation system.
Owing to adopted above technical scheme, the present invention has following beneficial effect: adopt transparent ceiling can see the original roof of factory building until old; And the top has vent window, plays the good ventilating heat-proof and the effect of natural lighting; Exterior wall adopts the heat preserving mode that is fit to, and as inorganic heat-insulating mortar exterior wall outer heat preservation system, EPS/XPS external thermal insulation system, has good function of heat insulation; By comprehensive space enclosing structure transformation, cost is low, construction is simple, the cycle is short, than energy-conservation more than 15% before transforming.
Description of drawings
Fig. 1 is that the cornice of the embodiment of the invention and the flat roof deck of ridge ventilation change pitched roof heat-insulation system structural representation.
Fig. 2 changes pitched roof heat-insulation system structural representation for the flat roof deck of the dormer window ventilation of the embodiment of the invention.
Fig. 3 is the structural representation of the embodiment of the invention.
Fig. 4 is the factory building model schematic diagram of the embodiment of the invention.
Fig. 5 adds the model schematic diagram that puts in a skylight for the factory building roofing of the embodiment of the invention.
The specific embodiment
The present invention is further illustrated below in conjunction with the accompanying drawing illustrated embodiment.
Transparent ceiling 1 is acquired on the roof, transparent ceiling 1 is selected the heat insulation organic material of printing opacity for use, its visible light transmissivity is higher, and to infrared lower with transmitance ultraviolet light, and has a lower coefficient of thermal conductivity, therefore can reach good printing opacity effect of heat insulation (the LEXAN series polycarbonate engineering plastic of transparent organic material such as GE company) top and open wind skylight 2, as Figure 1-3, wherein, heat-preserving wall 8, heat insulation roof 9, can be on the basis of original pitched roof, according to original structure make ventilating roof ridge 3 or at certain intervals apart from making dormer window 4 (promptly the ventilation hole being set or window forms ventilating roof ridge or dormer window) at pitched roof both sides opposite position.Can form natural ventilation summer by the top portion ventilation skylight, increases heat-proof quality, and transparent ceiling can allow the exhibitor staff see factory building top original shape until old again simultaneously.Old steel sash is replaced by disconnected hot aluminium alloy hollow window 5, promotes the window thermal property.Exterior wall adopts suitable heat preserving mode, for example (this is existing two ripe class External Thermal Insulation Technology for External for inorganic heat insulation mortar or EPS/XPS external thermal insulation system, promptly reduce the thermal transmittance of body of wall by the mode of smearing inorganic heat insulation mortar or stickup EPS/XPS warming plate at exterior wall surface), the thermal and insulating performance of enhancing building masonry wall.
With certain heavy mounting shop is example, workshop floor space 2336m2, and building general height 24m, the building model schematic diagram is as shown in Figure 4.The building thermal technique parameter comprises:
(1) body of wall
| Title material | Thickness mm | Coefficient of thermal conductivity W/ (mK) | Coefficient of heat accumulation W/ (m 2K) | Thermal resistance (m 2K)/W | Heat inertia index D=RS |
| Porous clay brick | 240 | 0.64 | 8.49 | 0.375 | 3.184 |
| Cement mortar | 20 | 0.93 | 11.37 | 0.022 | 0.245 |
(2) roofing
| Title material | Thickness mm | Coefficient of thermal conductivity W/ (mK) | Coefficient of heat accumulation W/ (m 2K) | Thermal resistance (m 2K)/W | Heat inertia index D=RS |
| Pea gravel concreten | 40 | 1.51 | 15.36 | 0.026 | 0.407 |
| Cement mortar | 20 | 0.93 | 11.37 | 0.022 | 0.245 |
| Steel concrete | 120 | 1.74 | 17.2 | 0.069 | 1.186 |
(3) exterior window
This building is used if make museum into, because of its space enclosing structure thermal parameter can not satisfy " public building energy-saving design standard ", carry out reducing energy consumption so must adopt an effective measure, wherein roofing is as the weak link of thermal property, modification scheme can adopt on the basis that keeps existing building characteristic pitched roof 6, add and put in a skylight 7, inside is provided with coefficient of thermal conductivity 0.19W/ (m * K), the organic glass transparent ceiling 10 of thickness 120mm, both improve the thermal and insulating performance on roof, can improve indoor daylighting condition again; Exterior wall is pasted the thick EPS warming plate of 25mm; Original steel sash is replaced by disconnected hot aluminium alloy hollow glass window; Its building model is as shown in Figure 5:
Adopt DeST simulation of energy consumption software that the energy-saving potential of modification scheme is analyzed (annual energy consumption index is as shown in table 1), annual energy consumption level reduces by 19.2% after drawing the space enclosing structure comprehensive reformation, wherein wall thermal insulating is energy-conservation 2.8%, and it is energy-conservation 9.7% that roofing is transformed, and window transforms energy-conservation 6.7%.
Table 1 energy consumption comparative analysis table
| Annual accumulative total heat requirement (kWh/m 2) | Annual accumulative total refrigeration duty (kWh/m 2) | Annual energy consumption index (kWh/m 2) | |
| Before the transformation | 61.14 | 108.08 | 169.22 |
| After the transformation | 40.62 | 96.18 | 136.80 |
Indoor absolute altitude 0.8m place is carried out the natural lighting simulation, and improved analog result: indoor average daylight coefficient is 9.21%.The daylighting analog result at same absolute altitude place before transforming: indoor average daylight coefficient is 8.61%.Contrast two analog results as can be known, after the transformation, indoor natural illumination factor improves about 7% approximately, and indoor natural lighting amount improves.
The above-mentioned description to embodiment is can understand and apply the invention for ease of those skilled in the art.The person skilled in the art obviously can easily make various modifications to these embodiment, and needn't pass through performing creative labour being applied in the General Principle of this explanation among other embodiment.Therefore, the invention is not restricted to the embodiment here, those skilled in the art should be within protection scope of the present invention for improvement and modification that the present invention makes according to announcement of the present invention.
Claims (4)
1, a kind of roofing energy-conserving reconstruction method is characterized in that: comprising:
Acquire transparent ceiling on the roof;
Ventilating skylight is offered at the top;
Make ventilating roof ridge or at certain intervals apart from making dormer window;
Old steel sash is promoted the window thermal property;
Exterior wall is incubated transformation to strengthen the thermal and insulating performance of building masonry wall.
2, roofing energy-conserving reconstruction method according to claim 1 is characterized in that:
This transparent ceiling is selected the heat insulation organic material of printing opacity for use, and its visible light transmissivity is higher, and to infrared lower with transmitance ultraviolet light, and have lower coefficient of thermal conductivity.
3, roofing energy-conserving reconstruction method according to claim 1 is characterized in that:
Old steel sash transformation is meant makes old steel sash into disconnected hot aluminium alloy hollow window.
4, roofing energy-conserving reconstruction method according to claim 1 is characterized in that:
Exterior wall is incubated transformation is meant employing inorganic heat insulation mortar or EPS/XPS external thermal insulation system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101723205A CN101457563A (en) | 2007-12-14 | 2007-12-14 | Enclosure structure energy-conserving reconstruction method for existing workshop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101723205A CN101457563A (en) | 2007-12-14 | 2007-12-14 | Enclosure structure energy-conserving reconstruction method for existing workshop |
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| Publication Number | Publication Date |
|---|---|
| CN101457563A true CN101457563A (en) | 2009-06-17 |
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| CNA2007101723205A Pending CN101457563A (en) | 2007-12-14 | 2007-12-14 | Enclosure structure energy-conserving reconstruction method for existing workshop |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102411829A (en) * | 2010-09-18 | 2012-04-11 | 欧道军 | Full-automatic intelligent control combined system with resistance to windblown sand, rain and snow, damp, theft and fire |
| CN108468404A (en) * | 2018-03-27 | 2018-08-31 | 青岛厚科信息工程有限公司 | A kind of tectonic sieving of energy saving and environment friendly workshop |
| CN109838051A (en) * | 2019-02-18 | 2019-06-04 | 浙江开达装饰工程有限公司 | Roof light and its remodeling method |
| CN113011032A (en) * | 2021-03-25 | 2021-06-22 | 安徽建筑大学城市建设学院 | Building ventilation energy-saving reconstruction method and detection device |
-
2007
- 2007-12-14 CN CNA2007101723205A patent/CN101457563A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102411829A (en) * | 2010-09-18 | 2012-04-11 | 欧道军 | Full-automatic intelligent control combined system with resistance to windblown sand, rain and snow, damp, theft and fire |
| CN102411829B (en) * | 2010-09-18 | 2014-09-03 | 欧道军 | Full-automatic intelligent control combined system with resistance to windblown sand, rain and snow, damp, theft and fire |
| CN108468404A (en) * | 2018-03-27 | 2018-08-31 | 青岛厚科信息工程有限公司 | A kind of tectonic sieving of energy saving and environment friendly workshop |
| CN109838051A (en) * | 2019-02-18 | 2019-06-04 | 浙江开达装饰工程有限公司 | Roof light and its remodeling method |
| CN113011032A (en) * | 2021-03-25 | 2021-06-22 | 安徽建筑大学城市建设学院 | Building ventilation energy-saving reconstruction method and detection device |
| CN113011032B (en) * | 2021-03-25 | 2023-08-08 | 安徽建筑大学城市建设学院 | Ventilating energy-saving reconstruction method and detection device for building |
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Open date: 20090617 |