CN216949305U - Stainless steel flue and residential flue using same - Google Patents

Stainless steel flue and residential flue using same Download PDF

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Publication number
CN216949305U
CN216949305U CN202122286742.3U CN202122286742U CN216949305U CN 216949305 U CN216949305 U CN 216949305U CN 202122286742 U CN202122286742 U CN 202122286742U CN 216949305 U CN216949305 U CN 216949305U
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flue
stainless steel
floor
residential
section
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马锋
曹陈
王菁
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Nantong Bajian Construction Group Co ltd
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Nantong Bajian Construction Group Co ltd
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Abstract

The utility model provides a stainless steel flue and a residential flue using the same, wherein the stainless steel flue is formed by sequentially connecting a plurality of sections of stainless steel pipelines prefabricated and formed in a machining factory from bottom to top, a flue gas inlet is formed in the side of the upper part of each section of stainless steel pipeline, and a flue cleaning opening is formed in the side of the lower part of the lowest section of stainless steel pipeline. The house flue comprises a plurality of sections of stainless steel pipelines, a first-floor base and a roof hood, flue air pipe holes are formed in floors of the house, the first-floor base is formed by pouring cement on the floor of the lowest floor of the house, and the plurality of sections of stainless steel pipelines are installed in the reserved flue air pipe holes in the floors of the house from bottom to top section by section from the upper side of the first-floor base. The utility model is different from cement products, is produced mechanically by professional manufacturers, has controllable quality and can effectively prevent the environmental pollution of cement. The stainless steel pipelines of the utility model are internally welded, thereby effectively preventing smoke leakage and ensuring the use function of the flue.

Description

Stainless steel flue and residential flue using same
Technical Field
The utility model relates to the technical field of exhaust flues, in particular to a stainless steel flue and a residential flue using the same.
Background
In high-rise houses, the flue is a pipe product for removing smoke generated in kitchen cooking activities or foul air in toilets, and is a basic component of a common exhaust pipe system for kitchens and toilets. With modern high-rise buildings and daily use, the flue system is used as a channel for discharging waste oil fume and gas of the high-rise buildings, plays a very important role in maintaining indoor air quality of the high-rise buildings, and meanwhile, in building engineering, the material and construction quality of the flue system are more and more critical.
The conventional flue system is prefabricated by sandwiching glass fiber gridding cloth or steel wire mesh sheets in a cement pipeline, the market environment of the product is disordered, the quality of the material is uneven, the quality of the finished product is closely related to the technical strength of a manufacturer and the operation process of workers, and the control is difficult; meanwhile, the cement product has great influence on the environment.
The traditional cement flue adopts an installation process that holes are reserved firstly, then the flue is installed, and finally the gap of a hole opening is blocked.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a stainless steel flue and a residential flue using the same, which are mechanically produced, have controllable quality and can effectively prevent cement-type environmental pollution; after the verticality adjustment is completed, the flue and the wall surface are fixed by galvanized angle steel, and the air exhaust stability of the flue is ensured.
In order to solve the technical problem, an embodiment of the present invention provides a stainless steel flue, which is formed by sequentially connecting multiple sections of stainless steel pipelines prefabricated and formed in a machining plant from bottom to top, wherein a flue gas inlet is formed on the upper side of each section of the stainless steel pipeline, and a flue cleaning opening is formed on the lower side of the lowest section of the stainless steel pipeline.
Wherein, the end parts of two adjacent sections of stainless steel pipelines are welded and connected. The outer side cover of the flue cleaning port is provided with a cleaning port cover plate, the cleaning port cover plate is connected with the pipe wall of the stainless steel pipeline through an M8 stainless steel bolt by adopting a nut, and an annular sealing gasket is arranged between the cleaning port cover plate and the pipe wall of the stainless steel pipeline.
The flue gas inlet is provided with a fireproof check valve, the fireproof check valve comprises a check valve gas inlet and a valve seat arranged on the periphery of the check valve gas inlet, and the valve seat is fixedly connected with the pipe wall of the stainless steel pipeline through a bolt assembly.
Further, a sealing gasket is arranged between the valve seat and the pipe wall of the stainless steel pipeline.
The utility model also provides a house flue, which comprises a stainless steel flue, a first-layer base and a roof hood, wherein flue air pipe holes are formed in each floor of the house, the flue air pipe holes are formed in the intersection of two main body walls of the house, the first-layer base is formed by pouring cement on the floor at the bottommost layer of the house, the stainless steel flue is formed by sequentially connecting a plurality of sections of stainless steel pipes prefabricated and formed in a machining factory from bottom to top, the plurality of sections of the stainless steel pipes are installed in the flue air pipe holes reserved in each floor of the house from bottom to top section by section, the height of the first-layer base is 100mm, the size of each side is larger than 150mm larger than that of the stainless steel flue, a connecting flange connecting two adjacent sections of the stainless steel pipes is positioned between the two floors and fixedly connected with the main body walls of the house through angle iron, and the outer side of the stainless steel pipe and the flue air pipe holes are plugged through a C20 fine stone concrete layer, a flue gas inlet is formed in the upper side of each section of the stainless steel pipeline, a fireproof check valve is mounted at the flue gas inlet, a flue cleaning port is formed in the lower side of the lowest section of the stainless steel pipeline, and a cleaning port cover plate is arranged on the outer side cover of the flue cleaning port;
the roof wind cap is arranged above the opening of the flue duct on the roof.
And a water-stopping reverse ridge is poured between the fine stone concrete layer of the stainless steel pipeline adjacent to the floor side and the floor.
Preferably, the height of the water stop reverse threshold relative to the floor is not less than 50 mm.
The outer side of the stainless steel pipeline is surrounded by a brick protection wall, and a plurality of tie bars are arranged in the brick protection wall at intervals from top to bottom. The bricked protection wall is provided with holes corresponding to the flue sweeping openings and the flue air inlet openings.
The roof hood comprises a hood, four louver air exhaust windows which are located in four directions are installed between the hood and a flue air pipe opening, each louver air exhaust window comprises four frames and a plurality of aluminum alloy blades which are located on the inner sides of the four frames and are arranged at the upper and lower intervals, the left and right frames of each louver air exhaust window are fixedly connected with a concrete wall column above the roof through self-plugging rivets, the lower frames of the louver air exhaust windows are fixedly connected with the top ends of the flue air pipe openings through the self-plugging rivets, the upper frames of the louver air exhaust windows are fixedly connected with the hood through the self-plugging rivets, and the outer sides of the four frames of the louver air exhaust windows are sealed through foaming glue.
The technical scheme of the utility model has the following beneficial effects:
1. the stainless steel pipeline provided by the utility model is different from cement products, is mechanically produced by professional manufacturers, has controllable quality, and can effectively prevent the environmental pollution of cement.
2. According to the utility model, each section of stainless steel pipeline penetrates through the floor slab, and the connecting node of the stainless steel pipeline of the adjacent section is not in the floor slab concrete, so that secondary pollution in the stainless steel pipeline is avoided.
3. According to the utility model, the hole plugging between the stainless steel pipeline and the hole of the flue air pipe and the water stop reverse ridge are synchronously carried out, and the brick wall is built on the outer side, so that the leakage of floors can be effectively prevented, and the fire-resistant requirement can be met.
4. The utility model is suitable for metal exhaust ducts and exhaust ducts of kitchens and bathrooms of residential engineering, and effectively solves the quality problems of smoke channeling and leakage of smoke in the flue.
Drawings
FIG. 1 is a schematic structural diagram according to a first embodiment of the present invention;
FIG. 2 is an enlarged view of a front view of a flue purge opening in one embodiment;
FIG. 3 is an enlarged side view of a flue purge opening in accordance with one embodiment;
FIG. 4 is an enlarged view of the front view at the flue gas inlet in the first embodiment;
FIG. 5 is an enlarged side view of the inlet of the flue in accordance with one embodiment;
FIG. 6 is a schematic structural diagram according to a second embodiment of the present invention;
FIG. 7 is an enlarged view of the structure of the first-layer base according to the second embodiment;
FIG. 8 is an enlarged view of the top view of the flue duct opening in the second embodiment;
FIG. 9 is an enlarged view of the structure of the water stop sill in the second embodiment;
FIG. 10 is an enlarged view of the structure of the ceiling hood according to the second embodiment;
FIG. 11 is a front view of the louvered exhaust window of the second embodiment;
FIG. 12 is a cross-sectional view taken along line A-A of FIG. 11;
FIG. 13 is a cross-sectional view taken along line B-B of FIG. 11;
FIG. 14 is a flow chart of the construction process of the present invention.
Description of reference numerals:
1. stainless steel pipeline; 101. a flue gas inlet; 102. a flue cleaning port; 104. a cleaning port cover plate; 2. a fire-proof check valve; 201. a check valve air inlet; 202. a valve seat; 3. a first layer of base; 4. a roof hood; 5. a flue duct opening; 6. galvanizing angle iron; 7. c20 fine stone concrete layer; 8. stopping water and reversely banking; 9. building a protective wall by bricks; 10. a louver air exhaust window; 11. and (4) building surfaces.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
Example 1
As shown in fig. 1, an embodiment of the present invention provides a stainless steel flue, which is formed by sequentially connecting multiple sections of stainless steel pipes 1 prefabricated and formed in a machining plant from bottom to top, wherein the stainless steel pipes are machined and manufactured by a professional manufacturer, are mechanically produced, have controllable quality, and can effectively prevent cement-based environmental pollution.
The stainless steel pipeline and the fittings are jointly organized and accepted by a construction unit and a supervision unit, and are respectively processed according to different materials, processing techniques and system types, including the material, specification, strength, tightness, appearance quality of finished products and the like of the air pipes and the fittings.
A flue gas inlet 101 is arranged on the upper side of each section of the stainless steel pipeline 1, and a flue gas cleaning opening 102 is arranged on the lower side of the lowest section of the stainless steel pipeline 1.
The end parts of two adjacent sections of stainless steel pipelines 1 are welded and connected. The construction method comprises the following steps: and (3) arranging a construction opening below the joint of the end parts of the stainless steel pipelines, fully welding the joint from the inside of the stainless steel pipelines, and finally welding the construction opening to achieve the purposes of connecting the upper end and the lower end and sealing the flue.
As shown in fig. 2 and 3, a cleaning port cover plate 104 is provided on the outer side of the flue cleaning port 102, the cleaning port cover plate 104 is connected to the pipe wall of the stainless pipe 1 by a M8 stainless steel bolt using a nut, and an annular gasket is provided between the cleaning port cover plate 104 and the pipe wall of the stainless pipe 1.
As shown in fig. 4 and 5, a stainless steel high-density fireproof check valve 2 is installed at the flue gas inlet 101, the fireproof check valve 2 includes a check valve gas inlet 201 and a valve seat 202 arranged on the periphery of the check valve gas inlet 201, and the valve seat 202 is fixedly connected with the pipe wall of the stainless steel pipeline 1 through a bolt assembly. And a sealing gasket is arranged between the valve seat 202 and the pipe wall of the stainless steel pipeline 1.
The check valve is required to meet the regulations of oil smoke exhaust fireproof check valve GA/T798-2008, and a stainless steel high-tightness fireproof check valve is adopted.
(1) The materials and parts of the fire-proof check valve should meet the following regulations:
the valve seat, the valve body, the valve plate and all parts except the temperature sensing element are made of materials with fire resistance, corrosion resistance and ageing resistance.
The temperature-sensing control element in the fire-proof check valve should be made of materials and process technology which can make the temperature-sensing control element repeatedly act for many times.
The fire-resistant time of the fire-proof check valve is not less than 1.5h, the fire-proof check valve is strictly forbidden to be replaced by a plastic check valve, and the product identification is clear and distinct.
(2) The appearance quality of the fireproof check valve is in accordance with the following regulations:
the surfaces of all parts of the fireproof check valve are smooth, and the defects of cracks, pits, obvious concave-convex, hammer marks, burrs, holes and the like are avoided. When the ordinary steel check valve is adopted, the surface is subjected to anticorrosion and antirust treatment, the treated surface is smooth and flat, and a plating layer and a coating are firm and cannot have the defects of air bubbles, peeling, cracking, paint leakage, flow marks, wrinkles and the like.
Example 2
As shown in fig. 6 and 7, the present embodiment provides a residential flue, which includes multiple sections of stainless steel pipelines 1, a first-floor base 3 and a roof hood 4, where the first-floor base 3 is formed by pouring cement on the lowest floor of a residential building, the first-floor base is 100mm high, and each side dimension is greater than 150mm of the section of the stainless steel flue.
As shown in FIG. 8, the intersection of the main body walls on each floor of the house is provided with a flue duct opening 5 (the single side is 100mm larger than the stainless steel flue).
The stainless steel pipeline 1 is installed in a reserved flue air pipe opening 5 on each floor 11 of the house from bottom to top section by section from the upper side of the first floor base 3, the joint of two adjacent sections of the stainless steel pipeline 1 is located between the two floors 11, the outer wall of the stainless steel pipeline at the joint is fixedly connected with a main wall of the house through galvanized angle iron 6, and reinforcing steel bars are not required to be reserved at the flue air pipe opening to fix the stainless steel pipeline.
As shown in fig. 9, the space between the outer side of the stainless steel pipeline 1 and the opening of the flue duct is plugged by a C20 fine stone concrete layer 7, a water stop sill 8 is poured between the C20 fine stone concrete layer 7 of the stainless steel pipeline 1 adjacent to the floor side and the floor, and the sill height of the water stop sill 8 relative to the floor is not less than 50 mm. In the embodiment, the peripheral opening of the flue is made of C20 fine-stone concrete, and the floor slab and the flue are supported and suspended by a mold at intervals to be densely embedded and leveled for two times. Before the bricks are built, C20 fine stone concrete water-stop reverse ridges are poured, and the height of the water-stop reverse ridges is not less than 50mm of the finish-fabricated floor. According to the actual situation on site, the hole plugging and the water stopping reverse ridge can be simultaneously poured.
The outer side of the stainless steel pipeline 1 is surrounded by a brick protection wall 9 with the thickness of 100mm, and steel tie bars with the diameter of 6mm are arranged in the brick protection wall 9 every 500 mm. The outer side of the brick protection wall is plastered by cement mortar, the two sides of the brick protection wall are formed, and glass fiber gridding cloth is fully hung on the brick protection wall.
In the embodiment, according to the 'design fire protection code for high-rise civil buildings' for vertical pipeline wells such as cable wells, pipeline wells, smoke exhaust ducts and exhaust ducts, the well wall is a non-combustible body with the fire resistance limit not lower than 1.00h, a protection wall with the thickness of 100mm is built outside a stainless steel flue by adopting clay bricks, and tie bars with the diameter of 6mm are arranged in the wall body at intervals of 500 mm.
In order to reduce common quality problems and ensure engineering quality, watering, moisturizing and maintaining are required in the wall building and plastering stages.
A flue gas inlet is formed in the side of the upper part of each section of the stainless steel pipeline 1, a fireproof check valve is installed at the flue gas inlet, a flue cleaning opening is formed in the side of the lower part of the lowest section of the stainless steel pipeline, and a cleaning opening cover plate is arranged on the outer side cover of the flue cleaning opening. The bricked protection wall 9 is provided with holes corresponding to the flue cleaning opening and the flue air inlet.
As shown in fig. 10, the roof hood 4 is installed above the opening of the flue duct on the roof. The roof hood 4 comprises a hood, four louver exhaust windows 10 which are respectively positioned in four directions are installed between the hood and a flue air pipe opening, and each louver exhaust window 10 comprises four frames and a plurality of aluminum alloy blades which are positioned on the inner sides of the four frames and are arranged at intervals up and down.
As shown in fig. 11-13, the left and right frames of the louver air outlet 10 are fixedly connected to the concrete wall column above the roof through blind rivets, the lower frame of the louver air outlet 10 is fixedly connected to the top end of the flue duct opening through blind rivets, the upper frames of the louver air outlet 10 are fixedly connected to the hood through blind rivets, and the four outer sides of the louver air outlet 10 are sealed through foamed glue.
The process principle of the utility model is as follows: reserving a flue hole (100 mm larger than the size of a flue), sequentially installing a stainless steel pipeline from bottom to top, wherein the length of the pipeline is the same as the height of a floor, welding flanges at two ends of the pipeline, connecting flanges between the two ends of the pipeline, adjusting the verticality after installation, fixing the pipeline and a wall body by galvanized angle steel after the installation is finished, synchronously installing a flue check valve, then simultaneously plugging and pouring the peripheral hole of the pipeline and a water stop reverse ridge (50 mm higher than the finished surface), and finally building a protective wall body with the thickness of 100mm outside the pipeline.
The construction flow of the present invention is shown in figure 14,
the material requirements of the utility model are as follows: the variety, specification, performance and grade of the used materials such as stainless steel pipelines, flanges, bolts, nuts, fixed angle steel, fireproof check valves, cement bricks, plastering mortar, glass fiber mesh cloth, roof hoods and the like meet the design requirements and the regulations of the national current product standards and engineering technical specifications, and pass certificates and product quality certificates are issued.
The main materials include: SUS304 stainless steel tubing 1.2mm thick; m8 stainless steel outer hexagon bolt and nut; l25 × 25 × 2.5 stainless steel flanges; stainless steel fixed angle steel; the material is SUS 201 stainless steel, the model is PFZF-Y-C-160-180, and the millet environment fire-proof check valve; cement bricks, plastering mortar, glass fiber mesh cloth and the like; a roof finished product hood; an aluminum alloy louver.
By adopting the stainless steel flue and the construction method thereof, the quality of finished products of pipelines is controllable, the engineering quality is improved, and the quality risks such as leakage of the floor flue are reduced. The total building area of the first application example of the utility model is 124511.26 square meters, the frame shear structure is formed, seventeen layers of the ground are adopted, and the stainless steel flue flange is used for connecting the engineering construction method, so that the labor cost and the material cost are saved by about 18 ten thousand yuan. The total building area of the second application example of the utility model is 72054.73 square meters, the frame shear structure is formed, seventeen layers of the ground are adopted, and the stainless steel flue flange is used for connecting the engineering construction method, so that the labor cost and the material cost are saved by about 17 ten thousand yuan.
While the foregoing is directed to the preferred embodiment of the present invention, it will be appreciated by those skilled in the art that various changes and modifications may be made therein without departing from the principles of the utility model as set forth in the appended claims.

Claims (9)

1. A stainless steel flue is characterized in that a plurality of sections of stainless steel pipelines prefabricated and formed in a machining factory are sequentially connected from bottom to top, a flue gas inlet is formed in the side of the upper part of each section of stainless steel pipeline, and a flue cleaning opening is formed in the side of the lower part of the stainless steel pipeline at the lowest section;
the end parts of two adjacent sections of stainless steel pipelines are connected in a welding way.
2. The stainless steel flue according to claim 1, wherein the outer side cover of the flue cleaning opening is provided with a cleaning opening cover plate.
3. The stainless steel flue of claim 1, wherein a fireproof check valve is installed at the flue gas inlet, the fireproof check valve comprises a check valve gas inlet and a valve seat arranged on the periphery of the check valve gas inlet, and the valve seat is fixedly connected with the pipe wall of the stainless steel pipeline through a bolt assembly.
4. The stainless steel flue according to claim 3, wherein a sealing gasket is arranged between the valve seat and the pipe wall of the stainless steel pipeline.
5. A residential flue, characterized by comprising a plurality of sections of the stainless steel flue according to any one of claims 1 to 4, a first floor base and a roof hood, wherein flue air duct holes are formed in each floor of the residential building, the first floor base is formed by pouring cement on the lowest floor of the residential building, the stainless steel flue is formed by sequentially connecting a plurality of sections of stainless steel pipelines prefabricated and formed in a machining factory from bottom to top, the plurality of sections of the stainless steel pipelines are installed in the flue air duct holes reserved in each floor of the residential building from bottom to top section by section from the top of the first floor base, a connecting flange for connecting two adjacent sections of the stainless steel pipelines is positioned between the two floors and fixedly connected with a main wall of the residential building through angle irons, the outer side of each stainless steel pipeline and the flue air duct hole are plugged by filling and embedding a fine stone concrete layer, and a flue air inlet is formed in the upper part of each section of the stainless steel pipeline, a fireproof check valve is installed at the flue gas inlet, a flue cleaning opening is formed in the side of the lower portion of the stainless steel pipeline at the lowest section, and a cleaning opening cover plate is covered on the outer side of the flue cleaning opening;
the roof wind cap is arranged above the opening of the flue duct on the roof.
6. The residential flue of claim 5 wherein a water stop sill is cast between the stainless steel pipe and the floor adjacent the floor side fine stone concrete layer.
7. The residential flue of claim 6 wherein the water stop threshold is not less than 50mm above the threshold of the floor.
8. The residential flue as claimed in claim 5, wherein a brick protection wall is arranged around the outside of the stainless steel pipeline, and a plurality of tie bars are arranged in the brick protection wall at intervals up and down.
9. The residential flue according to claim 5, wherein the roof hood comprises a hood, four louver exhaust windows respectively located in four directions are installed between the hood and a flue duct opening, left and right frames of the louver exhaust windows are fixedly connected with a concrete wall column above the roof through blind rivets, a lower frame of the louver exhaust windows is fixedly connected with the top end of the flue duct opening through blind rivets, upper frames of the louver exhaust windows are fixedly connected with the hood through blind rivets, and the outsides of the four frames of the louver exhaust windows are sealed through foamed rubber.
CN202122286742.3U 2020-09-22 2021-09-22 Stainless steel flue and residential flue using same Active CN216949305U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2020220842431 2020-09-22
CN202022084243 2020-09-22

Publications (1)

Publication Number Publication Date
CN216949305U true CN216949305U (en) 2022-07-12

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ID=82303687

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122286742.3U Active CN216949305U (en) 2020-09-22 2021-09-22 Stainless steel flue and residential flue using same

Country Status (1)

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CN (1) CN216949305U (en)

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