CN201106254Y - Exhausting equipment for heat preserving roofing - Google Patents
Exhausting equipment for heat preserving roofing Download PDFInfo
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- CN201106254Y CN201106254Y CNU200720074036XU CN200720074036U CN201106254Y CN 201106254 Y CN201106254 Y CN 201106254Y CN U200720074036X U CNU200720074036X U CN U200720074036XU CN 200720074036 U CN200720074036 U CN 200720074036U CN 201106254 Y CN201106254 Y CN 201106254Y
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- heat insulation
- air inlet
- house surface
- roofing
- insulation house
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Abstract
The utility model discloses a heat-insulation roofing exhaust device which is characterized in that the device comprises an air inlet device with adjustable passing air volume, a variable section barrier-free exhaust device and an exhaust structure with adjustable height. By adopting the principles of atmospheric pressure difference and temperature difference, special exhaust structures such as the air inlet device with adjustable passing air volume, the variable section barrier-free exhaust device and the exhaust structure with adjustable height, etc. form an aerodynamic servo system; after a roofing waterproof layer is repaired or put into use, water in an heat insulation layer can be continuously discharged by the heat-insulation roofing exhaust device which plays the role of reducing or removing water stored in the heat insulation layer and causes the system to be in the balance state of the automatic adjustment of water content all the time so as to further prevent the roofing leakage.
Description
Technical field
The utility model relates to building field, is mainly used in functional rehabilitation or newly-built heat insulation house surface waterproofing after the heat insulation house surface infiltration was lost efficacy, is applicable to the eliminating aqueous vapor device that needs to get rid of roofing heat-insulating layer ponding.
Background technology
Under normal conditions, after the main waterproofing course in first road of roofing lost efficacy, rain water on roof infiltrates insulation layer inside rapidly, hydrophobic type heat insulating material for expanded perlite one class, the hydrophobicity performance of material own can not guarantee that material void is not in water stored state, therefore, mainly show as moisture storage capacity in the insulation layer and accumulate over a long period, constantly increase.Because roofing Reinforced Concrete Structure layer is under various extraneous factor effects, often shown as fine cracks, when the water storage in the insulation layer under sunny temperature condition with higher, be evaporated to steam gradually, water vapour pressure promotes water storage and moves downward, water enters the deck fine cracks, oozes out at the bottom of plate gradually then, forms the state that drips.
In the construction work maintenance, the building maintenance difficulty that the heat insulation house surface seepage causes is big, show that mainly dismounting is very big because of infiltration inefficacy insulation layer workload, particularly the expanded perlite material is (in light weight, volume is big, fly upward everywhere easily, contaminated environment is removed the back waste material and is not easy to recycle) situation is special, therefore, under small-sized roofing situation, select long one section stable fair weather, just consider to use disposable update all waterproofing materials and insulation layer method, but, consider weather, construction costs, comprehensive factors such as the user mode of building own, the possibility that thorough renovation is reformed is also little, still the appeasing property maintenance of general consideration.
The maintenance of appeasing property refers to keep insulation layer, the waterproofing course that has damaged is renovated reform.Key to the issue is the moisture that stores in the place to go insulation layer material how, method commonly used is selected continuous sunny weather, open insulation layer fast and expose airing, owing to influenced by weather, duration, generally in 2-3 days, seal at once and do waterproofing course, the problem of drawing thus heat insulating material often may only have been finished surface drying in the time that limits, its inside also is to be in saturated water stored state fully.Therefore, whether the insulation layer water storage can be got rid of totally, is directly connected to the quality of appeasing property maintenance, adopts the workmanship of this maintenance technique to depend on weather condition in the work progress to a greater extent.
Patent 91215441.1 discloses a kind of heat insulation house surface exhaust plant, in roofing heat-insulating layer, at a certain distance, setting is embedded in energy four energy eight air-breathers that reach in the crushed crude pearlite, this device becomes the well type at roofing, according to the long-pending size of roofing the exhaust chimney that several have venthole is set, the steam in the insulation layer can be discharged by the exhaust chimney, thereby can not form pressure and destroy leveling layer and waterproofing course at leveling layer and waterproofing course.Exhaust plant of the present utility model is made up of exhaust chimney, air discharge duct, connector, three-way connector, four-way connector.This patent is mainly used in newly-built roof waterproof design, is that common thermal-insulating water-proof roof technology occurs with the patent form.This technology does not have the specific scope of application, because the exhaust passage is not smooth, poor effect too much adopts complicated structural member on air discharge duct, make construction costs uneconomical.
Summary of the invention
The purpose of this utility model provides a kind of heat insulation house surface exhaust plant, utilize atm difference and temperature difference principle, by special exhaust structures such as air quantity adjustable type inlet duct, the accessible exhaust plant of variable cross-section and lift in height adjustment type devices, form the air force servo-drive system, after the roof waterproof layer reparation comes into operation, make the moisture of insulation layer inside can continue to discharge by this device, play the effect that reduces or eliminates insulation layer internal reservoir moisture, and make system be in the automatic adjustment state of water content all the time, and then prevent roof leakage.
The purpose of this utility model is achieved in that a kind of heat insulation house surface exhaust plant, comprising: be distributed in the air discharge duct of arranging in length and breadth in the roofing heat-insulating layer; Some air inlet pipe that are positioned at the roofing edge, the one end is connected with air discharge duct; The stack of some vertical settings, its lower end is connected with air discharge duct, and the upper end is provided with an anti-soaker that pours in down a chimney; The inlet end of described air inlet pipe extends downwards, has certain height.
Preferably, also comprise a blast regulator, described blast regulator is installed in the lower end of air inlet pipe.
Preferably, described blast regulator is a loose flange sheet.
Preferably, be provided with a screen pack in the described air inlet pipe.
Preferably, described air inlet and exhaust piper is located on the node of air discharge duct.
Preferably, the lower end of described air inlet pipe is near ground.
Preferably, described air discharge duct and screen pack are variable cross-section air discharge duct and variable cross-section screen pack.
Preferably, the diameter range of described blast regulator and air inlet pipe is 50-200mm.
Preferably, the scope of described air discharge duct spacing is 3000-6000mm, and the scope of width is 100-200mm, and the scope of the degree of depth is 100-500mm.
Preferably, described filtration mesh is counted scope 10mm * 12mm-6mm * 8mm.
Preferably, the scope of described stack height is 1000-2000mm.
Preferably, the described anti-diameter range that pours in down a chimney exhaust plant is 50-200mm.
The utility model makes it compared with prior art owing to adopted technique scheme, has the following advantages and good effect:
(1) division of labor of air inlet and escape pipe is clear and definite, air force sufficient condition, good exhaust effect.
(2) how many air inlet pipe can suitably regulate according to climatic characteristic and insulation layer water content, has played quick drain moisture and has obtained the effect that stops moisture laden air to enter.
(3) adopt the obstructiveless vent groove configuration, the exhaust cross section is bigger, and exhaust effect is better.
(4) for 〉=2000M
2Heat insulation house surface adopts lift in height adjustment type stack can make roofing central part exhaust effect and roofing edge exhaust effect approaching.
Aspect economic benefit of engineering, use this device can reach following leading indicator:
(1) prolonged former heat insulation house surface insulation layer application life, insulation layer need not often be changed.
(2) when roof waterproof layer has a small amount of destruction, the exhaust passage of heat insulation house surface can start servo-drive system rapidly, discharges excessive moisture automatically, guarantees that roofing normally uses.
(3) this apparatus structure is simple, and easy construction is effective, long service life, and it is low to have construction costs, the superior characteristics of cost performance.
Description of drawings
Fig. 1 is air inlet pipe of the present utility model and air discharge duct sectional drawing;
Fig. 2 is air discharge duct of the present utility model and stack sectional drawing;
Fig. 3 is an overall structure stereogram of the present utility model.
The specific embodiment
As shown in Figure 1, this device comprises air inlet blast regulator 1, air inlet pipe 2, the accessible air discharge duct 3 of variable cross-section, air inlet blast regulator 1 is installed in the lower end of air inlet pipe 2, air inlet blast regulator 1 is meant all kinds low pressure and the no pressure pipeline raft door accessory supporting with the caliber of air inlet pipe 2, comprises by-pass cock etc.; Higher when temperature, when air pressure is higher, can consider to open whole valves, form open conduit, quick drain moisture; Otherwise, but valve-off then stops moisture laden air to enter.When the insulation layer water balance, can implement forever to close.
Shown in Fig. 2,3, the accessible air discharge duct 3 of variable cross-section, be distributed in length and breadth in the roofing heat-insulating layer 5, be cross, layout mode, spacing, cross sectional shape and the size of this air discharge duct 3 determined according to roofing length and width size, ratio, area size, insulation layer thickness, material and composite factors such as cross section characteristics, insulation layer water content.In the accessible air discharge duct 3 of variable cross-section a variable cross-section screen pack 4 is installed, this screen pack 4 is according to heat insulating material kind, characteristics, the various metals that air discharge duct cross section characteristics are selected or web plate, the braiding net of non-metallic material.Screen pack 4 can effectively stop the expanded perlite that comes off, and forms wall and protects.This air discharge duct 3 is embedded in the roofing heat-insulating layer 5, also is provided with a macromolecule waterproofing course 6 on this insulation layer 5.
As shown in Figure 2, this device also comprises the lift in height adjusting shape stack 7 of vertical setting, and stack 7 all is located on the node of air discharge duct 3 with air inlet pipe 2.In the present embodiment, one end of stack 7 stretches into from the cross center of air discharge duct 3, this stack 7 rises plane stringing height design according to what length dimension, ratio, area size and the insulation layer water content distribution situation of roofing were determined as calculated gradually from the edge to the centre, comprises conduit saddle, straight tube and tee piece.In the upper end of stack 7 an anti-exhaust plant 8 that pours in down a chimney is installed, also is connected with ell in anti-both-side ends of pouring in down a chimney exhaust plant 8.
The operating principle of this device is:
When the insulation layer of heat insulation house surface lost efficacy because of waterproof measure, insulation layer is lost by water logging, under the outer atmospheric temperature influence, moisture in the insulation layer forms water vapour and enters air discharge duct 3, and when atmospheric humidity and wind direction satisfy certain condition, the dry air that enters air inlet pipe 2 is under aerodynamic effect, promote the slow water vapour that discharges in the air discharge duct 3, to the motion of stack 7 positions, under the pressure reduction of air, water vapour is discharged by stack 7 gradually.Along with outside air temperature uprises, other position moisture of insulation layer gathers to the top layer with near air discharge duct 3 edges fast, and water vapour constantly discharges in groove in a steady stream, discharge by stack 7, finally, insulation layer 5 contained humidities die away or form new balance, and the state that drips stops.
Provide the specific embodiment and the parameter that are applicable to the above structure below:
Certain building area is 7800m
2Roofing on, water proof structure is formed: steel concrete roof+(30mm-450mm) play sloping expanded pearlite insulating layer+20mm, steel concrete leveling layer+1.2mm, polyethylene rubber blend coiled material.
According to statistics,, drip at the bottom of the roof panel constantly, drip and cause the above switchboard burnout failure of secondary at sunny weather, direct and indirect economic loss reach millions of more than.
By to this roof waterproof layer, the insulation layer mode of occupation is investigated discovery further, and waterproofing course partly wears out, breaks, and the insulation layer moisture content 〉=more than 5%, insulation and water-proof function can not guarantee present instructions for use, and keep high antiseep standard after can not guaranteeing.This roofing adopts and upgrades maintenance difficulty and be mainly reflected in the insulation layer that whole replacings have soaked and do not meet continuous production (not having a power failure) situation, and it is big to change the insulation layer workload, is difficult to satisfy environmental protection requirement.
According to producing actual needs, comprehensive factors such as combining environmental, safety, construction costs, maintenance condition, to utilize insulation layer, repairing waterproofing course is basic means, by how in time concerning between the discharge water steam after waterproofing course inefficacy certainty and the insulation layer immersion, should dredge the basic principle that should not block up by waterproofing, by the following technical solutions:
Air inlet blast regulator 1 adopts the loose flange chip architecture, utilizes the flange plate opening angle to realize the air inflow adjusting, and air inlet pipe 2 adopts the lightweight pipelines.
Accessible air discharge duct 3 spacings of variable cross-section, width and the degree of depth are determined by roofing area and insulation layer thickness, variable cross-section drainage gas net 4 adopts the expanded metal lath after the preservative treatment, insulation layer 5 adopts the thick XPS warming plate of 5mm, and waterproofing course 6 adopts the thick macromolecule waterproof coating of 1.2mm.
Lift in height adjustment type stack 7 does not wait the lightweight pipeline to form by height, and duct height reduces to two sides successively from roofing central authorities, and the discrepancy in elevation is determined by roofing area size, inlet and outlet piping diameter, air discharge duct arrangement.The anti-exhaust plant 8 that pours in down a chimney is determined by regional air pressure and wind direction.
After using the technical program, not only prolonged former heat insulation house surface insulation layer application life, when roof waterproof layer had a small amount of destructions, the exhaust passage of heat insulation house surface can start servo-drive system rapidly, discharges excessive moisture automatically, and the assurance roofing normally uses.
Claims (12)
1. heat insulation house surface exhaust plant comprises:
Be distributed in the air discharge duct of arranging in length and breadth in the roofing heat-insulating layer;
Some air inlet pipe that are positioned at the roofing edge, the one end is connected with air discharge duct;
The stack of some vertical settings, its lower end is connected with air discharge duct, and the upper end is provided with an anti-soaker that pours in down a chimney; It is characterized in that: the inlet end of described air inlet pipe extends downwards, has certain height.
2. heat insulation house surface exhaust plant as claimed in claim 1 is characterized in that: also comprise a blast regulator, described blast regulator is installed in the lower end of air inlet pipe.
3. heat insulation house surface exhaust plant as claimed in claim 2 is characterized in that: described blast regulator is a loose flange sheet.
4. heat insulation house surface exhaust plant as claimed in claim 3 is characterized in that: be provided with a screen pack in the described air inlet pipe.
5. heat insulation house surface exhaust plant as claimed in claim 4 is characterized in that: described air inlet and exhaust piper is located on the node of air discharge duct.
6. heat insulation house surface exhaust plant as claimed in claim 5 is characterized in that: the lower end of described air inlet pipe is near ground.
7. heat insulation house surface exhaust plant as claimed in claim 6 is characterized in that: described air discharge duct and screen pack are variable cross-section air discharge duct and variable cross-section screen pack.
8. heat insulation house surface exhaust plant as claimed in claim 7 is characterized in that: the diameter range of described blast regulator and air inlet pipe is 50-200mm.
9. heat insulation house surface exhaust plant as claimed in claim 7 is characterized in that: the scope of described air discharge duct spacing is 3000-6000mm, and the scope of width is 100-200mm, and the scope of the degree of depth is 100-500mm.
10. heat insulation house surface exhaust plant as claimed in claim 7 is characterized in that: described filtration mesh is counted scope 10mm * 12mm-6mm * 8mm.
11. heat insulation house surface exhaust plant as claimed in claim 7 is characterized in that: the scope of described stack height is 1000-2000mm.
12. heat insulation house surface exhaust plant as claimed in claim 7 is characterized in that: the described anti-diameter range that pours in down a chimney exhaust plant is 50-200mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720074036XU CN201106254Y (en) | 2007-08-24 | 2007-08-24 | Exhausting equipment for heat preserving roofing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720074036XU CN201106254Y (en) | 2007-08-24 | 2007-08-24 | Exhausting equipment for heat preserving roofing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201106254Y true CN201106254Y (en) | 2008-08-27 |
Family
ID=39958053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720074036XU Expired - Fee Related CN201106254Y (en) | 2007-08-24 | 2007-08-24 | Exhausting equipment for heat preserving roofing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201106254Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979258A (en) * | 2012-11-28 | 2013-03-20 | 江苏江中集团有限公司 | Roof exhaust system |
| CN104131661A (en) * | 2013-10-21 | 2014-11-05 | 中国建筑第四工程局有限公司 | Method and device for preventing mildewing of top indoor ceiling of building |
| CN107816175A (en) * | 2017-11-02 | 2018-03-20 | 上海延吉物业管理有限公司 | A kind of exhaust apparatus for heat insulation house surface and a kind of heat insulation house surface method for maintaining |
-
2007
- 2007-08-24 CN CNU200720074036XU patent/CN201106254Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979258A (en) * | 2012-11-28 | 2013-03-20 | 江苏江中集团有限公司 | Roof exhaust system |
| CN102979258B (en) * | 2012-11-28 | 2015-03-04 | 江林 | Roof exhaust system |
| CN104131661A (en) * | 2013-10-21 | 2014-11-05 | 中国建筑第四工程局有限公司 | Method and device for preventing mildewing of top indoor ceiling of building |
| CN107816175A (en) * | 2017-11-02 | 2018-03-20 | 上海延吉物业管理有限公司 | A kind of exhaust apparatus for heat insulation house surface and a kind of heat insulation house surface method for maintaining |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080827 Termination date: 20160824 |