CN115434482A - Exhaust pipeline system and construction method thereof - Google Patents
Exhaust pipeline system and construction method thereof Download PDFInfo
- Publication number
- CN115434482A CN115434482A CN202211191526.3A CN202211191526A CN115434482A CN 115434482 A CN115434482 A CN 115434482A CN 202211191526 A CN202211191526 A CN 202211191526A CN 115434482 A CN115434482 A CN 115434482A
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- exhaust duct
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- 238000010276 construction Methods 0.000 title claims abstract description 12
- 239000010410 layer Substances 0.000 claims abstract description 34
- 239000011241 protective layer Substances 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 239000004746 geotextile Substances 0.000 claims description 5
- 239000002344 surface layer Substances 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 2
- 230000005494 condensation Effects 0.000 abstract description 3
- 238000009833 condensation Methods 0.000 abstract description 3
- 241000255925 Diptera Species 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/17—Ventilation of roof coverings not otherwise provided for
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/14—Junctions of roof sheathings to chimneys or other parts extending above the roof
- E04D13/143—Junctions of roof sheathings to chimneys or other parts extending above the roof with ventilating means in junctions of roof sheathings to parts extending above the roof
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/17—Ventilation of roof coverings not otherwise provided for
- E04D13/172—Roof insulating material with provisions for or being arranged for permitting ventilation of the roof covering
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Sink And Installation For Waste Water (AREA)
Abstract
The application discloses exhaust duct system and construction method thereof, this exhaust duct system includes: the first exhaust pipelines are arranged in parallel and transversely, and the second exhaust pipelines are vertical to the first exhaust pipelines; the first exhaust pipeline comprises transverse branch pipes which are arranged transversely in parallel and longitudinal branch pipes which are arranged longitudinally in parallel, the cross points of the transverse branch pipes and the longitudinal branch pipes are communicated with one end of a second exhaust pipeline through a five-way pipe, and the other end of the second exhaust pipeline penetrates through the heat-insulating layer, the waterproof layer and the protective layer to protrude out of the roof and is fixedly connected with an exhaust waterproof cap assembly. This application is through the second exhaust duct of five-way pipe with the steam in the first exhaust duct to outstanding roofing, and the waterproof cap subassembly of airing exhaust that is located the second exhaust duct top can effectually prevent that the steam condensation from flowing backward to second exhaust duct and can prevent that the mosquito from getting into, discharge steam that can be better improves the holistic life of exhaust duct system simultaneously.
Description
Technical Field
The application belongs to the technical field of moisture-proof exhaust, and particularly relates to an exhaust pipeline system and a construction method thereof.
Background
In the subsection construction of the roof, the vent holes of the roof are used for timely removing water vapor in the slope finding layer and the heat insulation layer, and are widely applied in the roof construction to ensure that the water vapor in the slope finding layer of the roof is timely removed, so that the water under the waterproof layer cannot be evaporated due to high temperature to jack up the waterproof layer of the roof to damage the waterproof layer. Generally, a steel pipe, a stainless steel pipe or a brick exhaust pipe is basically adopted as the exhaust pipe, but due to factors such as temperature difference between day and night, condensed water sometimes forms in the exhaust pipe made of the material such as the steel pipe, and therefore the condensed water flows back into the exhaust pipe, and the service life of the exhaust pipe is affected.
Disclosure of Invention
The application provides an exhaust pipeline system and a construction method thereof, which aim to solve the technical problem of backflow of condensed water of an exhaust pipeline.
In order to solve the technical problem, the application adopts a technical scheme that: an exhaust conduit system, comprising: the first exhaust pipeline and the second exhaust pipeline are arranged in parallel and longitudinally and transversely, and the second exhaust pipeline is perpendicular to the first exhaust pipeline; the first exhaust pipeline comprises transverse branch pipes which are arranged transversely in parallel and longitudinal branch pipes which are arranged longitudinally in parallel, the cross points of the transverse branch pipes and the longitudinal branch pipes are communicated with one end of a second exhaust pipeline through a five-way pipe, and the other end of the second exhaust pipeline penetrates through the heat-insulating layer, the waterproof layer and the protective layer to protrude out of a roof and is fixedly connected with an exhaust waterproof cap assembly.
Further, the waterproof cap subassembly of airing exhaust includes movable support, pneumatic arc hood and drainage groove, and movable support's base rigid coupling is in the opening of second exhaust duct, and the inboard center of pneumatic arc hood is connected to movable support's dwang, and drainage groove rigid coupling is in the opening outside of second exhaust duct and is located the below of pneumatic arc hood.
Furthermore, the drainage groove is provided with a drainage pipe, and the lower end of the arc-shaped fan blade of the pneumatic arc-shaped hood is positioned in the drainage groove.
Furthermore, the roof is provided with a water diversion platform 200-250mm higher than the roof, and the surface of the water diversion platform is provided with a water diversion channel, wherein the water diversion channel is positioned right below the drain pipe.
Further, the five-way pipe comprises four horizontal openings and a vertical opening, the four horizontal openings are located on the same plane and communicated with the transverse branch pipe and the longitudinal branch pipe, the vertical opening is communicated with the second exhaust pipeline, and a pipeline between the horizontal openings and the vertical opening is arranged in an arc shape.
Further, the second exhaust duct is made of metal, wherein one end of the second exhaust duct is provided with an insect-proof net and an annular groove used for connecting the air-exhaust waterproof cap assembly.
Further, horizontal branch pipe and longitudinal branch pipe choose for use PVC material and outward appearance package to have geotechnological cloth, and wherein, the interval between the horizontal branch pipe is not more than 6m, and the interval between the longitudinal branch pipe is not more than 6m.
Furthermore, the surfaces of the transverse branch pipe and the longitudinal branch pipe are provided with a plurality of groups of annular hole groups, wherein each annular hole group comprises a plurality of air holes which annularly surround the transverse branch pipe and the longitudinal branch pipe.
Another technical scheme adopted by the application is as follows: a construction method of an exhaust pipeline system comprises the following steps:
cleaning a roof base layer, and carrying out elastic line separation positioning on a roof area according to the size of the roof;
arranging air holes on the surface of the first exhaust pipe according to the preset requirement and finishing laying according to positioning;
winding the first exhaust pipe with geotextile, installing a second exhaust pipe and installing an exhaust waterproof cap assembly;
constructing a heat-insulating layer, a leveling layer and a waterproof layer and a protective layer;
constructing a surface layer and building a diversion platform below the exhaust cap.
The beneficial effect of this application is: this application is through the second exhaust duct of five-way pipe with the steam in the first exhaust duct row to outstanding roofing, and the waterproof cap subassembly of airing exhaust that is located the second exhaust duct top can effectually prevent that the steam condensation from flowing backward to second exhaust duct, discharge steam that can be better and prevent that the mosquito from getting into, improves the holistic life of exhaust duct system simultaneously.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a cross-sectional schematic view of an embodiment of an exhaust conduit system of the present application;
FIG. 2 is a perspective view of an embodiment of the first exhaust conduit of FIG. 1;
FIG. 3 is a schematic diagram of an embodiment of the second exhaust conduit of FIG. 1;
FIG. 4 is a schematic structural view of an embodiment of the vented water cap assembly of FIG. 1;
FIG. 5 is a schematic structural diagram of an embodiment of the bottom bracket in FIG. 1;
FIG. 6 is a schematic diagram of the structure of one embodiment of the circumferential hole set of FIG. 2;
fig. 7 is a schematic flow chart illustrating an embodiment of a method of constructing an exhaust duct system according to the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
As shown in fig. 1-2, fig. 1 is a schematic cross-sectional structure diagram of an embodiment of an exhaust duct system of the present application, and fig. 2 is a schematic perspective structure diagram of an embodiment of a first exhaust duct in fig. 1. This exhaust duct includes: the exhaust system comprises a first exhaust pipeline 1 and a second exhaust pipeline 2, wherein the first exhaust pipeline 1 and the second exhaust pipeline 2 are arranged in parallel and in a longitudinal and transverse mode; the first exhaust pipeline 1 comprises transverse branch pipes 11 arranged transversely in parallel and longitudinal branch pipes 12 arranged longitudinally in parallel, the cross points of the transverse branch pipes 11 and the longitudinal branch pipes 12 are communicated with one end of a second exhaust pipeline 2 through a five-way pipe 3, and the other end of the second exhaust pipeline 2 penetrates through an insulating layer 102, a waterproof layer 104 and a protective layer 105 to protrude out of a roof and is fixedly connected with an exhaust waterproof cap assembly 4.
First exhaust pipe 1 sets up according to certain distance criss-cross in the above-mentioned design, can effectual absorption heat preservation 102 in steam, steam row is to the second exhaust pipe 2 of outstanding roofing afterwards, and the waterproof cap subassembly 4 of airing exhaust that is located 2 tops of second exhaust pipe can effectually prevent that the steam condensation from flowing backward to second exhaust pipe 2, discharge steam that can be better, improves the holistic life of exhaust pipe system simultaneously.
As shown in fig. 3, fig. 3 is a schematic structural diagram of an embodiment of the second exhaust duct in fig. 1. The second exhaust duct 2 is made of metal, such as steel, stainless steel, and the like, and has good hardness and anti-corrosion effect. Wherein, the second exhaust duct 2 is provided with an insect-proof net 22 and an annular groove 21 for connecting the waterproof exhaust cap assembly 4 at one end. The second exhaust duct 2 is designed as described above for draining water vapour from the wind-tight cap assembly. In one embodiment, the second exhaust duct 2 is made of a stainless steel plate with a thickness of 1.2mm and a thickness of 500 × 16mm, a 5 × 5mm annular groove 21 is formed in a folded plate mode along the short side direction after the plate is cut, the top of the annular groove 21 is 50mm away from the top end of the steel plate, and then the steel plate is rolled into a tubular shape along the long side and the abutted seams are welded and ground. When the second exhaust pipeline 2 is installed, the annular groove 21 is arranged at the top, and a steel wire mesh is arranged in the pipeline above the annular groove 21 to prevent insects from entering the pipeline. The steel wire mesh is cut into a round shape with the diameter of 50mm by adopting a 20-mesh steel wire mesh, and the edge of one circle of the steel wire mesh is sealed by a stainless steel plate.
As shown in fig. 4, fig. 4 is a schematic structural view of an embodiment of the blast water proof cap assembly in fig. 1. The air-exhaust waterproof cap assembly 4 comprises a movable support 41, a pneumatic arc-shaped hood 42 and a drainage groove 43, wherein the base of the movable support 41 is fixedly connected in the opening of the second exhaust pipeline 2, the rotating rod of the movable support 41 is connected with the inner side center of the pneumatic arc-shaped hood 42, and the drainage groove 43 is fixedly connected outside the opening of the second exhaust pipeline 2 and is positioned below the pneumatic arc-shaped hood 42. In the above design, the air-exhausting waterproof cap assembly 4 can vent the arc-shaped hood 42 to discharge the condensed water into the drainage groove 43.
The drainage groove 43 is provided with a drainage pipe 44, and the lower end of the arc fan blade of the pneumatic arc hood 42 is positioned in the drainage groove 43. The pneumatic arc hood 42 in the above design can guide the condensed water condensed in the pneumatic arc hood 42 to the drainage groove 43 and is discharged through the drainage pipe 44.
In one embodiment, the ventilation waterproof cap assembly 4 adopts a 60 unpowered hood, and the drainage groove 43 at the bottom of the hood is fixed in the annular groove 21 at the top end of the vertical second exhaust duct 2. The staple bolt in pneumatic arc hood 42 bottom leaves 5mm clearance with second exhaust duct 2 outer wall, the comdenstion water of the pneumatic arc hood 42 inner wall of being convenient for to prevent that the comdenstion water from directly falling into in the second exhaust duct 2.
Referring to fig. 1, the roof is provided with a water diversion platform 5 200-250mm higher than the roof, and the surface of the water diversion platform 5 is provided with a water diversion channel 51, wherein the water diversion channel 51 is positioned right below the water drainage pipe 44. The catchment platform 5 in the above design is close to the surface drain 44 and the catchment channel 51 will receive the condensate from the drain 44 and then lead to the other drainage facilities on the roof.
As shown in fig. 5, fig. 5 is a schematic structural diagram of an embodiment of the bottom bracket in fig. 1. This five-way pipe 3 includes four horizontal openings 31 that lie in the coplanar and communicate with horizontal branch pipe 11 and longitudinal branch pipe 12 and the vertical opening 32 with second exhaust duct 2 UNICOM, and wherein, the pipeline between horizontal opening 31 and the vertical opening 32 is the arc setting. The arc setting between the opening in the above-mentioned design is favorable to the circulation of steam.
Fig. 6 is a schematic structural diagram of an embodiment of the circumferential hole set in fig. 2, as shown in fig. 6. The surfaces of the transverse branch pipes 11 and the longitudinal branch pipes 12 are provided with a plurality of sets of circumferential hole sets 13, wherein the circumferential hole sets 13 comprise a plurality of air holes 131 annularly surrounding the transverse branch pipes 11 and the longitudinal branch pipes 12. The circumferential hole group formed by the air holes 131 in the design can effectively absorb water vapor in the insulating layer 102 into the first pipeline.
As shown in fig. 7, fig. 7 is a flowchart illustrating an embodiment of a method of constructing an exhaust duct system according to the present application. The construction method of the exhaust pipeline system comprises the following steps:
s1, cleaning a roof base layer, and carrying out elastic line separation and positioning on a roof area according to the size of the roof.
Specifically, the sundries and garbage on the surface of the roof base layer 101 should be cleaned. And (4) positioning the elastic lines in a grid manner according to design requirements and the number of the first exhaust pipelines 1. The distance between the first exhaust pipelines 1 is generally 6m multiplied by 6m, a second exhaust pipeline 2 is arranged at the junction of the vertical horizontal pipe and the horizontal pipe, and the maximum distance between the longitudinal branch pipe 12 and the horizontal branch pipe 11 in the first exhaust pipeline 1 is not more than 6m.
S2, arranging air holes on the surface of the first exhaust pipe according to preset requirements and finishing laying according to positioning.
Specifically, DN50PVC pipe is selected as the first exhaust pipeline 1, and 4 holes with the diameter of 5mm are drilled on the surfaces of the longitudinal branch pipe 12 and the transverse branch pipe 11 in the circumferential direction at the interval of 100mm. Criss-cross is laid, the interval is not more than 6m, lay according to the position line put in advance, the crossing of longitudinal branch pipe 12 and horizontal branch pipe 11 sets up a DN50PVC five-way pipe 3, connect and adopt PVC special glue to fix.
And S3, winding the first exhaust pipe with geotextile, installing a second exhaust pipe and installing an exhaust waterproof cap assembly.
Specifically, a layer of geotextile is wound on the surface of the laid first exhaust pipeline 1. The second exhaust pipeline 2 adopts a DN50 stainless steel pipe, the wall thickness is not less than 1.2mm, and the length is 500mm. A5 mm annular groove 21 is formed in the position 50mm away from the top end of the pipeline. When the second exhaust duct 2 is installed, a section without the annular groove 21 is coated with special glue and then inserted into the vertical opening 32 in the PVC five-way pipe. Finally, the drainage groove 43 of the air-exhausting waterproof cap assembly 4 is fixed in the annular groove 21, and the pneumatic arc-shaped air cap 42 is connected with the opening of the second exhaust pipeline 2 through the movable bracket 41, so that the bottom of the fan blade of the pneumatic arc-shaped air cap 42 is positioned in the drainage groove 43.
And S4, constructing a heat preservation layer, a leveling layer, a waterproof layer and a protective layer.
Specifically, the construction of the insulating layer 102 and the leveling layer 103 is carried out according to the design requirements. And then, constructing a waterproof layer 104, turning up the additional layer and the waterproof layer at the position of the air exhaust waterproof cap component 4, wherein the turning-up height is not less than 250mm of the finished roof, a steel hoop is additionally arranged at the sealing position, and the turning-up end part of the waterproof coiled material is tightly sealed by adopting sealant.
And S5, constructing a surface layer and building a diversion platform below the exhaust cap.
Specifically, the construction of the surface layer 106 is performed according to the design requirements. When the surface layer 106 is constructed, finished product protection of the air exhaust waterproof cap assembly 4 is well performed. The exhaust cap is provided with a water diversion platform 5, the height of the platform surface is 250mm higher than the finished surface of the roof, and a water diversion channel 51 is arranged at the opening of the water diversion platform 5 for slope finding and used for draining condensed water.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings, or which are directly or indirectly applied to other related technical fields, are intended to be included within the scope of the present application.
Claims (9)
1. An exhaust conduit system, comprising:
the first exhaust pipeline is arranged in parallel and longitudinally and transversely, and the second exhaust pipeline is perpendicular to the first exhaust pipeline;
the first exhaust pipeline comprises transverse branch pipes which are transversely arranged in parallel and longitudinal branch pipes which are longitudinally arranged in parallel, the cross points of the transverse branch pipes and the longitudinal branch pipes are communicated with one end of the second exhaust pipeline through a five-way pipe, and the other end of the second exhaust pipeline penetrates through the heat-insulating layer, the waterproof layer and the protective layer to protrude out of the roof and is fixedly connected with an exhaust waterproof cap assembly.
2. The system according to claim 1, wherein the ventilation waterproof cap assembly comprises a movable support, a pneumatic arc-shaped hood and a drainage groove, a base of the movable support is fixedly connected in the opening of the second exhaust duct, a rotating rod of the movable support is connected with the center of the inner side of the pneumatic arc-shaped hood, and the drainage groove is fixedly connected to the outer side of the opening of the second exhaust duct and located below the pneumatic arc-shaped hood.
3. The system of claim 2, wherein the drainage groove is provided with a drainage pipe, and the lower ends of the arc-shaped fan blades of the pneumatic arc-shaped hood are positioned in the drainage groove.
4. The system of claim 3, wherein the roof is provided with a catchment platform 200-250mm higher than the roof, and the surface of the catchment platform is provided with a catchment channel, wherein the catchment channel is positioned right below the drain pipe.
5. The system of claim 1, wherein the five-way pipe comprises four horizontal openings in the same plane and communicating with the lateral branch and the longitudinal branch and a vertical opening communicating with the second exhaust duct, wherein the duct between the horizontal openings and the vertical opening is in an arc arrangement.
6. The system of claim 5, wherein the second exhaust duct is made of metal, and wherein an insect-proof net and an annular groove for connecting the waterproof exhaust cap assembly are arranged at one end of the second exhaust duct.
7. The system of claim 5 wherein the lateral and longitudinal legs are comprised of PVC and are wrapped with geotextiles, wherein the spacing between the lateral legs is no greater than 6m and the spacing between the longitudinal legs is no greater than 6m.
8. The system of claim 7, wherein the lateral and longitudinal legs are provided with a plurality of circumferential sets of holes, wherein the circumferential sets of holes comprise a plurality of air holes annularly surrounding the lateral and longitudinal legs.
9. A construction method of an exhaust pipeline system is characterized by comprising the following steps:
cleaning a roof base layer, and carrying out elastic line separation positioning on a roof area according to the size of the roof;
arranging air holes on the surface of the first exhaust pipe according to a preset requirement and finishing laying according to the positioning;
winding the first exhaust pipe with geotextile, installing a second exhaust pipe and installing an exhaust waterproof cap assembly;
constructing a heat-insulating layer, a leveling layer and a waterproof layer and a protective layer;
and constructing a surface layer and building a water diversion platform below the exhaust cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211191526.3A CN115434482A (en) | 2022-09-28 | 2022-09-28 | Exhaust pipeline system and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211191526.3A CN115434482A (en) | 2022-09-28 | 2022-09-28 | Exhaust pipeline system and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115434482A true CN115434482A (en) | 2022-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211191526.3A Pending CN115434482A (en) | 2022-09-28 | 2022-09-28 | Exhaust pipeline system and construction method thereof |
Country Status (1)
| Country | Link |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201202229Y (en) * | 2008-05-30 | 2009-03-04 | 浙江省一建建设集团有限公司 | Roof exhaust system |
| CN104499658A (en) * | 2014-12-19 | 2015-04-08 | 广西建工集团第五建筑工程有限责任公司 | Active breathing type damp-proof and steam-exhausting inverted roof system and construction method thereof |
| CN106320616A (en) * | 2015-12-10 | 2017-01-11 | 湖北晶標建筑工程有限公司 | Heat insulation roof exhaust pipeline system and construction method |
| CN108797904A (en) * | 2017-05-05 | 2018-11-13 | 五冶集团上海有限公司 | A kind of accessible roof secretly buries discharge duct construction method |
| CN212405778U (en) * | 2019-12-27 | 2021-01-26 | 深圳粤鹏环保技术股份有限公司 | Rainproof unpowered air interchanger |
-
2022
- 2022-09-28 CN CN202211191526.3A patent/CN115434482A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201202229Y (en) * | 2008-05-30 | 2009-03-04 | 浙江省一建建设集团有限公司 | Roof exhaust system |
| CN104499658A (en) * | 2014-12-19 | 2015-04-08 | 广西建工集团第五建筑工程有限责任公司 | Active breathing type damp-proof and steam-exhausting inverted roof system and construction method thereof |
| CN106320616A (en) * | 2015-12-10 | 2017-01-11 | 湖北晶標建筑工程有限公司 | Heat insulation roof exhaust pipeline system and construction method |
| CN108797904A (en) * | 2017-05-05 | 2018-11-13 | 五冶集团上海有限公司 | A kind of accessible roof secretly buries discharge duct construction method |
| CN212405778U (en) * | 2019-12-27 | 2021-01-26 | 深圳粤鹏环保技术股份有限公司 | Rainproof unpowered air interchanger |
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Application publication date: 20221206 |
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