CN219825981U - Fire-resistant type tuber pipe of discharging fume - Google Patents
Fire-resistant type tuber pipe of discharging fume Download PDFInfo
- Publication number
- CN219825981U CN219825981U CN202321242186.2U CN202321242186U CN219825981U CN 219825981 U CN219825981 U CN 219825981U CN 202321242186 U CN202321242186 U CN 202321242186U CN 219825981 U CN219825981 U CN 219825981U
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- resistant
- smoke exhaust
- fire
- layer
- closing plate
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- 230000009970 fire resistant effect Effects 0.000 title claims abstract description 45
- 238000007599 discharging Methods 0.000 title description 2
- 239000003517 fume Substances 0.000 title description 2
- 239000000779 smoke Substances 0.000 claims abstract description 81
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000003063 flame retardant Substances 0.000 claims abstract description 13
- 239000011248 coating agent Substances 0.000 claims abstract description 5
- 238000000576 coating method Methods 0.000 claims abstract description 5
- 230000007797 corrosion Effects 0.000 claims description 16
- 238000005260 corrosion Methods 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 9
- 239000011490 mineral wool Substances 0.000 claims description 7
- 239000011491 glass wool Substances 0.000 claims description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 18
- 239000003546 flue gas Substances 0.000 abstract description 18
- 230000032683 aging Effects 0.000 abstract description 11
- 238000012423 maintenance Methods 0.000 abstract description 11
- 230000002265 prevention Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000008602 contraction Effects 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Abstract
The utility model belongs to the technical field of pipelines, in particular to a fire-resistant smoke exhaust air pipe, which comprises a smoke exhaust pipe body; the outer side wall of the smoke exhaust pipe body is sleeved with a U-shaped fireproof protection plate, and the inner side wall of the U-shaped fireproof protection plate is arranged on the outer side wall of the smoke exhaust pipe body in a sliding manner; a closing plate is hinged at the edge of the bottom end of one side of the outer wall of the U-shaped fireproof protection plate; a fixing piece is arranged on one side of the outer wall of the closing plate, and the closing plate is fixed through the fixing piece; in order to solve among the prior art flue gas tuber pipe and divide into inside and outside bilayer mostly, the skin is the fire prevention flame retardant coating, and the inlayer is the flue gas pipeline layer, and when flue gas pipeline does not use for a long time, ageing phenomenon appears in the skin more than the inlayer, and when ageing circumstances appears in the skin, just need maintain the skin or change whole flue gas tuber pipe completely, and the maintenance and the replacement cost of flue gas tuber pipe are all higher to when leading to flue gas tuber pipe skin to appear ageing, change or the higher problem of cost of maintenance.
Description
Technical Field
The utility model belongs to the technical field of pipelines, and particularly relates to a fire-resistant smoke exhaust air pipe.
Background
The smoke exhaust air pipe is a fire-fighting pipeline and is commonly used for various ventilation openings and large places. When a fire disaster occurs, the smoke exhaust air pipe can effectively exhaust smoke to help people suffering from the fire disaster escape from the fire disaster site, and is one of necessary fire-fighting equipment in some public places.
The flue gas tuber pipe among the prior art is mostly divided into inside and outside bilayer, and the inlayer is the fire prevention flame retardant coating, and the inlayer is the flue gas pipeline layer, and when the flue gas pipeline does not use for a long time, ageing phenomenon appears in the skin more than the inlayer, and when ageing circumstances appears in the skin, just need maintain the skin or change whole flue gas tuber pipe completely, and the maintenance and the replacement cost of flue gas tuber pipe are all higher to when ageing appears in the flue gas tuber pipe that leads to, the cost of change or maintenance is higher.
To this end, the utility model provides a fire-resistant smoke exhaust duct.
Disclosure of Invention
In order to make up the deficiency of the prior art, the flue gas duct in the prior art is divided into inner and outer double layers mostly, the outer layer is a fireproof flame retardant coating, the inner layer is a flue gas duct layer, when the flue gas duct is not used for a long time, the outer layer is easier to age than the inner layer, when the outer layer ages, the outer layer needs to be maintained or the whole flue gas duct is completely replaced, and the maintenance and replacement costs of the flue gas duct are higher, so that the problem that the replacement or maintenance cost is higher when the outer layer of the flue gas duct ages is solved.
The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a fire-resistant smoke exhaust air pipe, which comprises a smoke exhaust pipe body; the outer side wall of the smoke exhaust pipe body is sleeved with a U-shaped fireproof protection plate, and the inner side wall of the U-shaped fireproof protection plate is arranged on the outer side wall of the smoke exhaust pipe body in a sliding manner; a closing plate is hinged at the edge of the bottom end of one side of the outer wall of the U-shaped fireproof protection plate; a fixing piece is arranged on one side of the outer wall of the closing plate, and the closing plate is fixed through the fixing piece; the closing plate and the U-shaped fireproof protection plate are of three-layer structures; the outer layers of the closed plate and the U-shaped fireproof protection plate are fireproof and corrosion-resistant layers, the middle layer is a high-temperature-resistant heat-insulating layer, and the inner layer is a heat-insulating and flame-retardant layer; the cost is saved, and the whole smoke exhaust air pipe is not required to be detached during replacement, so that the maintenance and replacement time is saved.
Preferably, the fixing member includes a threaded rod; one end of the outer wall of the threaded rod is connected to one side of the outer wall of the closing plate in a threaded manner, and one end of the threaded rod penetrates through the closing plate; a thread groove is formed in one side of the outer wall of the U-shaped fireproof protection plate, and the thread groove is matched with the threaded rod; the device is simple to install and detach.
Preferably, the heat-insulating flame-retardant layer is made of rock wool; the thickness of the heat-insulating flame-retardant layer is 30-50mm; the heat preservation is carried out on the smoke exhaust pipe body, so that gaps are formed at the joint of the smoke exhaust pipe body and the smoke exhaust pipe body due to heat expansion and cold contraction, the fire resistance and the fire resistance are realized, and the smoke exhaust pipe body can be further protected.
Preferably, the high-temperature-resistant heat insulation layer is made of You Tesen glass wool; the thickness of the high-temperature-resistant heat insulation layer is 25-50mm; the device is safer and more reliable.
Preferably, the fireproof corrosion-resistant layer is formed by wrapping the outer side wall of the high-temperature-resistant heat-insulating layer with color steel materials; the thickness of the fireproof corrosion-resistant layer is 0.5-1mm; the device has longer service life and higher safety.
Preferably, the inner side wall of the smoke exhaust pipe body is coated with fireproof and heat-resistant paint; the smoke exhaust pipe body is not easy to be damaged by flame when fire occurs during smoke exhaust.
The beneficial effects of the utility model are as follows:
1. according to the fire-resistant smoke exhaust air pipe, the inner side wall of the U-shaped fire-resistant protection plate is arranged on the outer side wall of the smoke exhaust pipe body in a sliding manner, so that the smoke exhaust pipe body is wrapped by the U-shaped fire-resistant protection plate and the closing plate, the U-shaped fire-resistant protection plate and the closing plate have a fire-resistant effect, the original outer side structure of the smoke exhaust air pipe is replaced, the fire-resistant layer of the fire-resistant smoke exhaust air pipe is convenient to install and detach, when the U-shaped fire-resistant protection plate and the closing plate of the fire-resistant smoke exhaust air pipe are aged, only the U-shaped fire-resistant protection plate and the closing plate are required to be replaced, the smoke exhaust pipe body is not required to be replaced, the cost is saved, and the smoke exhaust air pipe is not required to be integrally detached during replacement, so that maintenance and replacement time is saved.
2. According to the fire-resistant smoke exhaust air pipe, the threaded rod is rotated to enter the threaded groove by rotating the threaded rod, so that the closing plate and the U-shaped fire-resistant protection plate are fixed, the closing plate and the U-shaped fire-resistant protection plate can wrap the smoke exhaust pipe body, and when the fire-resistant smoke exhaust air pipe is detached, the threaded rod is reversed, and the fixing is released, so that the fire-resistant smoke exhaust air pipe can be detached and replaced, and the installation and the detachment of the fire-resistant smoke exhaust air pipe are simpler.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is an exploded view of the present utility model;
FIG. 3 is an exploded view of the U-shaped refractory guard and closure plate;
FIG. 4 is a cross-sectional view of the U-shaped refractory guard and closure plate;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
in the figure: 1. a smoke exhaust pipe body; 2. u-shaped fire-resistant protection plates; 3. a closing plate; 4. a fireproof corrosion-resistant layer; 5. a high temperature resistant insulating layer; 6. a heat-insulating flame-retardant layer; 7. a threaded rod; 8. a thread groove.
Detailed Description
The utility model is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1 to 5, the fire-resistant smoke exhaust duct of the present utility model includes a smoke exhaust duct body 1; the outer side wall of the smoke exhaust pipe body 1 is sleeved with a U-shaped fireproof protection plate 2, and the inner side wall of the U-shaped fireproof protection plate 2 is slidably arranged on the outer side wall of the smoke exhaust pipe body 1; a closing plate 3 is hinged at the edge of the bottom end of one side of the outer wall of the U-shaped fireproof protection plate 2; a fixing piece is arranged on one side of the outer wall of the closing plate 3, and the closing plate 3 is fixed through the fixing piece; the closing plate 3 and the U-shaped fireproof protection plate 2 are of three-layer structures; the outer layers of the closing plate 3 and the U-shaped fireproof protection plate 2 are fireproof and corrosion-resistant layers 4, the middle layer is a high-temperature-resistant heat-insulating layer 5, and the inner layer is a heat-insulating and flame-retardant layer 6; in the prior art, most of the smoke exhaust air pipes in the prior art are divided into inner and outer double layers, the outer layers are fireproof fire-resistant layers, the inner layers are smoke exhaust pipeline layers, when the smoke exhaust pipeline is not used for a long time, the outer layers are more prone to aging than the inner layers, when aging occurs on the outer layers, the outer layers are required to be maintained or the whole smoke exhaust air pipe is completely replaced, and the maintenance and replacement costs of the smoke exhaust air pipes are higher, so that when aging occurs on the outer layers of the smoke exhaust air pipes, the replacement or maintenance costs are higher.
The fixing member comprises a threaded rod 7; one end of the outer wall of the threaded rod 7 is in threaded connection with one side of the outer wall of the closing plate 3, and one end of the threaded rod 7 penetrates through the closing plate 3; a thread groove 8 is formed in one side of the outer wall of the U-shaped fireproof protection plate 2, and the thread groove 8 is matched with the threaded rod 7; during operation, through rotating threaded rod 7, make threaded rod 7 rotate get into in the screw groove 8 to make closure plate 3 and the fire-resistant guard plate 2 of U-shaped fixed, thereby make closure plate 3 and fire-resistant guard plate 2 of U-shaped can wrap up smoke tube body 1, when dismantling, reverse threaded rod 7, remove fixedly, just can dismantle the change, thereby make the installation and the dismantlement of this device comparatively simple.
The heat-insulating flame-retardant layer 6 is made of rock wool; the thickness of the heat-insulating flame-retardant layer 6 is 30-50mm; during operation, the rock wool not only has good heat preservation and flame retardance, but also has the advantages of light weight, small heat conductivity, excellent fireproof performance, excellent sound insulation performance, heat absorption, incombustibility, lasting chemical stability and the like, so that the rock wool can keep the heat preservation and flame retardance of the smoke exhaust pipe body 1, the smoke exhaust pipe body 1 is kept warm, gaps are formed at the joint of the smoke exhaust pipe body 1 and the smoke exhaust pipe body 1 due to heat expansion and cold contraction, and the smoke exhaust pipe body 1 is further protected in flame retardance and fire prevention.
The high-temperature-resistant heat insulation layer 5 is made of You Tesen glass wool; the thickness of the high-temperature-resistant heat insulation layer 5 is 25-50mm; during operation, the You Tesen glass wool not only has better high temperature resistance, but also has the advantages of strong tensile property, rebound resilience, excellent fire resistance, ageing resistance, long service life, no corrosiveness and the like, and can reduce the loss in the links of production, packaging, transportation, installation, use and the like, so that the high-temperature-resistant heat insulation layer 5 can insulate heat, is not easy to consume, has long service life, and can fully insulate heat when a fire disaster occurs, thereby ensuring that the device is safer and more reliable.
The fireproof corrosion-resistant layer 4 is formed by wrapping the outer side wall of the high-temperature-resistant heat-insulating layer 5 with color steel materials; the thickness of the fireproof corrosion-resistant layer 4 is 0.5-1mm; during operation, the color steel material not only has better corrosion resistance, but also has the characteristics of lighter texture, high strength, bending resistance, pressure resistance, attractive appearance, convenient processing and forming, original strength of the steel plate, lower cost and the like, and the fireproof performance of the color steel material is excellent, so that the fireproof corrosion-resistant layer 4 can block the flame during fire occurrence outside, the device can be prevented from being burnt by the flame during fire occurrence, and the corrosion resistance of the color steel is better, so that the device can be used for a longer time, and the device is longer in service life and higher in safety.
The inner side wall of the smoke exhaust pipe body 1 is coated with fireproof and heat-resistant paint; during operation, the inner side wall of the smoke exhaust pipe body 1 is coated with the fireproof heat-resistant coating, so that the smoke exhaust pipe body 1 is not easily damaged by flame during fire occurrence during smoke exhaust.
Working principle: the inner side wall of the U-shaped fire-resistant protection plate 2 is slidably arranged on the outer side wall of the smoke exhaust pipe body 1, so that the device wraps the smoke exhaust pipe body 1 through the U-shaped fire-resistant protection plate 2 and the closing plate 3, thereby enabling the U-shaped fire-resistant protection plate 2 and the closing plate 3 to play a fireproof and fire-resistant effect, replacing the original outer side structure of a smoke exhaust air pipe, enabling the fire-resistant layer of the device to be convenient to install and detach, enabling the U-shaped fire-resistant protection plate 2 and the closing plate 3 of the device to be replaced without replacing the smoke exhaust pipe body 1 when the U-shaped fire-resistant protection plate 2 and the closing plate 3 are aged, saving the cost, and avoiding the whole disassembly of the smoke exhaust air pipe when the smoke exhaust air pipe is replaced, saving the maintenance and replacement time, enabling the threaded rod 7 to rotate into the threaded groove 8, enabling the closing plate 3 and the U-shaped fire-resistant protection plate 2 to be fixed, therefore, the closing plate 3 and the U-shaped fire-resistant protection plate 2 can wrap the smoke exhaust pipe body 1, when the smoke exhaust pipe is disassembled, the threaded rod 7 is reversed, the fixing is released, and the smoke exhaust pipe body 1 can be disassembled and replaced, so that the device is simpler to install and disassemble, and the rock wool has the advantages of light weight, small heat conductivity, excellent fire resistance, excellent sound insulation performance, heat absorption, incombustibility, lasting chemical stability and the like, the rock wool can perform heat insulation and flame retardance on the smoke exhaust pipe body 1, the smoke exhaust pipe body 1 is insulated, gaps are formed at the joint of the smoke exhaust pipe body 1 and the smoke exhaust pipe body 1 due to heat expansion and cold contraction, the flame retardance and the fire resistance are realized, the smoke exhaust pipe body 1 can be further protected, and the You Tesen glass wool has good high temperature resistance and strong tensile resistance, the fire-resistant heat-insulating layer 5 has the advantages of excellent rebound resilience, fire resistance, ageing resistance, long service life, no corrosiveness and the like, can reduce the loss in the links of production, package, transportation, installation, use and the like, can insulate heat, is not easy to consume, has long service life, can fully insulate heat when a fire disaster occurs, and is safe and reliable, and because the color steel material not only has better corrosion resistance, but also has the characteristics of lighter texture, high strength, bending resistance, pressure resistance, attractive appearance, convenient processing and forming, original strength, lower cost of a steel plate and the like, and has excellent fireproof performance, so that the flame when the fire disaster occurs can be blocked outside by the fireproof corrosion-resistant layer 4, the device can be prevented from being burnt by flame when the fire disaster occurs, and has better corrosion resistance of color steel, so that the device can be used for a longer time, the device is longer in service life, and is higher in safety, and the inner side wall of the smoke exhaust pipe 1 is coated with the heat-resistant paint, so that the fire disaster is not easy to be destroyed when the fire disaster occurs when the smoke exhaust pipe 1 is exhausted.
The front, rear, left, right, up and down are all based on fig. 1 in the drawings of the specification, the face of the device facing the observer is defined as front, the left side of the observer is defined as left, and so on, according to the viewing angle of the person.
In the description of the present utility model, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present utility model.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The fire-resistant smoke exhaust air pipe is characterized by comprising a smoke exhaust pipe body (1); the outer side wall of the smoke exhaust pipe body (1) is sleeved with a U-shaped fireproof protection plate (2), and the inner side wall of the U-shaped fireproof protection plate (2) is slidably arranged on the outer side wall of the smoke exhaust pipe body (1); a closing plate (3) is hinged at the edge of the bottom end of one side of the outer wall of the U-shaped fireproof protection plate (2); a fixing piece is arranged on one side of the outer wall of the closing plate (3), and the closing plate (3) is fixed through the fixing piece; the closing plate (3) and the U-shaped fireproof protection plate (2) are of three-layer structures; the outer layer of the closing plate (3) and the U-shaped fireproof protection plate (2) is a fireproof corrosion-resistant layer (4), the middle layer is a high-temperature-resistant heat-insulating layer (5), and the inner layer is a heat-insulating flame-retardant layer (6).
2. A fire resistant smoke evacuation ductwork according to claim 1, characterised in that the fixing means comprises a threaded rod (7); one end of the outer wall of the threaded rod (7) is in threaded connection with one side of the outer wall of the closing plate (3), and one end of the threaded rod (7) penetrates through the closing plate (3); a thread groove (8) is formed in one side of the outer wall of the U-shaped fireproof protection plate (2), and the thread groove (8) is matched with the threaded rod (7).
3. A fire-resistant smoke exhaust duct according to claim 2, characterized in that the heat-insulating flame-retardant layer (6) is rock wool; the thickness of the heat-insulating flame-retardant layer (6) is 30-50mm.
4. A fire-resistant smoke exhaust duct according to claim 3, characterized in that the high temperature resistant insulating layer (5) is made of You Tesen glass wool; the thickness of the high-temperature-resistant heat insulation layer (5) is 25-50mm.
5. The fire-resistant smoke exhaust duct according to claim 4, wherein the fire-resistant corrosion-resistant layer (4) is made of color steel and is wrapped on the outer side wall of the high-temperature-resistant heat-insulating layer (5); the thickness of the fireproof corrosion-resistant layer (4) is 0.5-1mm.
6. A fire-resistant smoke exhaust duct according to claim 5, wherein the inner side wall of the smoke exhaust duct body (1) is coated with a fire-resistant and heat-resistant coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321242186.2U CN219825981U (en) | 2023-05-22 | 2023-05-22 | Fire-resistant type tuber pipe of discharging fume |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321242186.2U CN219825981U (en) | 2023-05-22 | 2023-05-22 | Fire-resistant type tuber pipe of discharging fume |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219825981U true CN219825981U (en) | 2023-10-13 |
Family
ID=88279856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321242186.2U Active CN219825981U (en) | 2023-05-22 | 2023-05-22 | Fire-resistant type tuber pipe of discharging fume |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219825981U (en) |
-
2023
- 2023-05-22 CN CN202321242186.2U patent/CN219825981U/en active Active
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