CN215522468U - Fire-fighting smoke-discharging heat-insulating air pipe - Google Patents
Fire-fighting smoke-discharging heat-insulating air pipe Download PDFInfo
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- CN215522468U CN215522468U CN202022586096.8U CN202022586096U CN215522468U CN 215522468 U CN215522468 U CN 215522468U CN 202022586096 U CN202022586096 U CN 202022586096U CN 215522468 U CN215522468 U CN 215522468U
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- 238000007599 discharging Methods 0.000 title claims description 40
- 229920000742 Cotton Polymers 0.000 claims abstract description 48
- 238000009413 insulation Methods 0.000 claims abstract description 44
- 239000000779 smoke Substances 0.000 claims abstract description 27
- 239000000853 adhesive Substances 0.000 claims abstract description 15
- 230000001070 adhesive effect Effects 0.000 claims abstract description 15
- 239000003063 flame retardant Substances 0.000 claims abstract description 13
- 239000003517 fume Substances 0.000 claims description 38
- 239000002344 surface layer Substances 0.000 claims description 18
- 239000002131 composite material Substances 0.000 claims description 10
- 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 description 9
- 239000004744 fabric Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 6
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims description 5
- 239000004964 aerogel Substances 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 2
- 230000002265 prevention Effects 0.000 abstract description 10
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 238000004026 adhesive bonding Methods 0.000 abstract description 2
- 238000009792 diffusion process Methods 0.000 abstract description 2
- 239000000725 suspension Substances 0.000 description 10
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 9
- 239000003546 flue gas Substances 0.000 description 9
- 239000010410 layer Substances 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000010425 asbestos Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 229910052895 riebeckite Inorganic materials 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- TYCFGHUTYSLISP-UHFFFAOYSA-N 2-fluoroprop-2-enoic acid Chemical compound OC(=O)C(F)=C TYCFGHUTYSLISP-UHFFFAOYSA-N 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 description 1
- YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The application relates to a fire protection smoke exhaust heat insulation air pipe, which belongs to the technical field of fire protection facilities. It includes adiabatic cotton felt and fire prevention surface course, be provided with fire-retardant adhesive between adiabatic cotton felt and the fire prevention surface course, adiabatic cotton felt and fire prevention surface course pass through fire-retardant adhesive bonding fixed. This application parcel is in exhaust pipe's outer peripheral face, can effectively reduce the diffusion of the heat in the exhaust pipe to the outside all around, reduces the risk that exhaust pipe high temperature ignites its week side facility to when the building conflagration breaks out, can guarantee exhaust pipe's normal use, flee for the personnel and strive for the time.
Description
Technical Field
The application relates to the field of fire-fighting facilities, in particular to a fire-fighting composite heat-insulation cotton and a fire-fighting smoke-discharging heat-insulation air pipe thereof.
Background
In modern society, fire is one of the most common major disasters threatening public safety and social development. In the construction process of modern buildings, a fire-fighting smoke exhaust pipeline is one of indispensable fire-fighting equipment. The fire-fighting smoke exhaust pipeline can discharge smoke in time, thereby gaining precious time for people to escape in a fire.
Present fume extractor is mainly by the fire damper of discharging fume, exhaust pipe and enclosure constitute, when the conflagration breaing out, the flue gas can be gushed into in the exhaust pipe, cause the exhaust pipe intensification, some exhaust pipe can span the fire prevention subregion, at this moment, just need reduce the influence of exhaust pipe's temperature to the external world, too high in order to avoid the temperature of exhaust pipe, the exhaust pipe takes place to warp, perhaps the gallows of exhaust pipe or mounting can't make the exhaust pipe keep original position, cause the exhaust pipe to take place to collapse, thereby cause more important fire incident.
Based on this, this application has designed a compound thermal-insulated cotton of fire control and have discharged fume thermal-insulated tuber pipe thereof.
SUMMERY OF THE UTILITY MODEL
In order to help improving the problem that the exhaust pipe collapses caused by too high temperature of the exhaust pipe, the application provides a fire-fighting composite heat-insulating cotton and a fire-fighting exhaust heat-insulating air pipe thereof.
The application provides a pair of compound thermal-insulated cotton of fire control and fire control smoke exhaust heat insulation tuber pipe thereof adopts following technical scheme:
first aspect, the application provides a compound thermal-insulated cotton of fire control adopts following technical scheme:
the utility model provides a compound thermal-insulated cotton of fire control, includes adiabatic cotton felt and fire prevention surface course, be provided with fire-retardant adhesive between adiabatic cotton felt and the fire prevention surface course, adiabatic cotton felt and fire prevention surface course pass through fire-retardant adhesive bonding fixed.
Through adopting above-mentioned technical scheme, adiabatic cotton felt and fire prevention surface course combined use, for example, wrap up its outer peripheral face at exhaust pipe, can effectively reduce the diffusion of the heat in the exhaust pipe to the outside all around, reduced the risk that exhaust pipe high temperature ignites its week side facility to when building conflagration, can guarantee exhaust pipe's normal use, strive for the time for personnel flee.
Optionally, the heat insulation cotton felt is an aluminum silicate cotton felt or an aerogel felt.
By adopting the technical scheme, the traditional high-temperature heat insulation materials such as asbestos and rock wool can not meet the requirements due to higher heat conductivity coefficient, and the aluminum silicate cotton felt or aerogel felt has very high heat resistance and lower heat conductivity coefficient, and can effectively realize heat insulation of the wrappage of the aluminum silicate cotton felt or aerogel felt.
Optionally, the fireproof surface layer is ceramic cloth or high and medium purity silica glass cloth.
By adopting the technical scheme, the ceramic cloth or the high-medium purity silica glass fiber cloth has low inflammability, high temperature resistance, low heat conductivity coefficient, long service life, high strength and large elasticity, is favorable for being attached and fixed with a heat insulation cotton felt, and can further improve the heat insulation performance of a wrapping object by combining the ceramic cloth and the heat insulation cotton felt.
Optionally, the thickness of the heat insulation cotton felt is 5-40mm, and the thickness of the fireproof surface layer is 0.2-3 mm.
Through adopting above-mentioned technical scheme, its limit of fire can reach 2h, then can be according to actual need, different thickness is used in different regions, can effectively save material and cost, can also guarantee the thermal insulation to its parcel simultaneously.
The second aspect, the application provides a fire control is discharged fume and is insulated from heat tuber pipe, adopts following technical scheme:
the utility model provides a fire control is discharged fume and is insulated against heat tuber pipe, includes the multisection tuber pipe of discharging fume, the tuber pipe of discharging fume includes interior pipeline and outer pipeline again, between pipeline and outer pipeline including adiabatic cotton felt and the setting of fire prevention surface course, the both ends of the tuber pipe of discharging fume all are provided with the flange, and are adjacent be provided with the retaining member between the flange of the tuber pipe of discharging fume, it is adjacent the tuber pipe of discharging fume passes through the retaining member and connects fixedly, the outside of the tuber pipe of discharging fume still is provided with and is used for fixing the mounting at building furred ceiling with the tuber pipe of discharging fume.
Through adopting above-mentioned technical scheme, will discharge fume the tuber pipe and set up to inside and outside two-layer, install adiabatic cotton felt and fire prevention surface course between interior pipeline and the outer pipeline, can effectively realize this heat preservation adiabatic of tuber pipe of discharging fume. Simultaneously, the flange between the multisection tuber pipe of discharging fume is connected fixedly through the retaining member, can fix the multisection tuber pipe of discharging fume, guarantees the stability of the tuber pipe of discharging fume, and this connected mode is convenient for the installation and the dismantlement of the tuber pipe of discharging fume simultaneously, is favorable to improving staff's dismouting efficiency.
Optionally, the mounting includes horizontal bracing piece, the bottom butt of horizontal bracing piece and the tuber pipe of discharging fume, the extending direction of horizontal bracing piece is mutually perpendicular with the extending direction of the tuber pipe of discharging fume, vertical jib and side direction jib are fixed with at the both ends of horizontal bracing piece, the horizontal bracing piece of vertical jib perpendicular to, the one end that horizontal bracing piece was kept away from to vertical jib is provided with and is used for the first connecting piece that links to each other with the building, be provided with the second connecting piece between side direction jib and the horizontal bracing piece, the side direction jib passes through the second connecting piece and is connected with the rotation of horizontal bracing piece, the one end that horizontal bracing piece was kept away from to the side direction jib is provided with and is used for the third connecting piece that links to each other with the building.
Through adopting above-mentioned technical scheme, this mounting compares with the fixed mode of traditional single gallows of use, has used a lesson side direction jib to support the tuber pipe of discharging fume fixedly more, has improved the support effect to the tuber pipe of discharging fume, when the conflagration appearing, can effectively reduce because of the phenomenon that the gallows drops and causes the tuber pipe of discharging fume to collapse takes place for high temperature leads to.
Optionally, the first connecting piece includes expansion bolts, the one end that horizontal bracing piece was kept away from to vertical jib is through expansion bolts and building fixed connection, the second connecting piece includes first connection piece and second connection piece, first connection piece is fixed at the both ends of horizontal bracing piece, be provided with first pivot between first connection piece and the second connection piece, the second connection piece rotates through first pivot and first connection piece to be connected, second connection piece and side direction jib fixed connection, the third connecting piece includes connecting portion and rotation portion, connecting portion fix the one end that horizontal bracing piece was kept away from to the side direction jib, be provided with the second pivot between connecting portion and the rotation portion, rotation portion rotates through second pivot and connecting portion to be connected.
Through adopting above-mentioned technical scheme, vertical jib passes through expansion bolts and is fixed with the building furred ceiling, realizes the first heavy support to the tuber pipe of discharging fume, and the setting of second connecting piece and third connecting piece is favorable to adjusting the mounted position of side direction jib to installation between side direction jib and the building furred ceiling is fixed, when the conflagration emergence vibrations appear in the building, the side direction jib can effectively improve this shock resistance of the tuber pipe of discharging fume, ensures the normal use of the tuber pipe of discharging fume.
Optionally, a seal is disposed between adjacent flanges.
Through adopting above-mentioned technical scheme, if the junction of flange uses the retaining member to connect alone, the flue gas in the row's cigarette tuber pipe can spill over through this junction, causes the inefficacy of the tuber pipe of discharging fume. The setting of sealing member can effectively reduce the gap of flange joint department, reduces the condition that the flue gas spills over from flange joint department, ensures effectively discharging fume of the tuber pipe of discharging fume.
Drawings
FIG. 1 is a cross-sectional view of a fire fighting composite insulation blanket according to an embodiment of the present application.
Fig. 2 is a schematic overall structure diagram of the fire-fighting smoke-discharging heat-insulating air duct of the embodiment of the application.
FIG. 3 is a cross-sectional view of a fire protection smoke evacuation insulated ductwork of an embodiment of the present application.
Fig. 4 is a schematic structural view of a lateral boom according to an embodiment of the present application.
FIG. 5 is a cross-sectional view of a vertical boom of an embodiment of the present application.
Description of reference numerals: 10. a heat insulating cotton felt; 11. a fireproof surface layer; 20. a smoke exhaust duct; 201. an inner conduit; 202. an outer conduit; 203. a flange; 21. locking the nut; 22. locking the bolt; 23. a seal member; 30. a transverse support bar; 40. a vertical boom; 41. an expansion bolt; 50. a lateral boom; 511. a first connecting piece; 512. a second connecting sheet; 513. a first rotating shaft; 514. a hinge portion; 521. a connecting portion; 522. a rotating part; 523. a second rotating shaft; 60. channel steel; 70. a stiffening device; 701. a stiffening bolt; 702. a stiffening block; 703. and (4) a stiffening plate.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a fire-fighting composite heat insulation cotton. Referring to fig. 1, the heat insulation cotton felt comprises a heat insulation cotton felt 10 and a fireproof surface layer 11, a flame retardant adhesive is arranged between the heat insulation cotton felt 10 and the fireproof surface layer 11, and the heat insulation cotton felt 10 and the fireproof surface layer 11 are bonded and fixed through the flame retardant adhesive.
In this embodiment, the heat insulation cotton felt 10 may be an aluminum silicate cotton felt or an aerogel felt, the thickness of the heat insulation cotton felt 10 is 5-40mm, the fireproof surface layer 11 may be a ceramic cloth or a high and medium purity silica glass cloth, and the thickness of the fireproof surface layer 11 is 0.2-3 mm.
The flame-retardant adhesive comprises an inorganic adhesive and an organic adhesive, the inorganic adhesive can be water glass (sodium silicate) or inorganic resin, and the organic adhesive can be a flame-retardant urea-formaldehyde resin adhesive, a flame-retardant alpha-fluoro-acrylate adhesive or a benzene-free chloroprene flame-retardant adhesive. The fireproof surface layer 11 is bonded on one surface of the heat insulation cotton felt 10 through a flame retardant adhesive, so that the fireproof surface layer 11 is firmly attached to the heat insulation cotton felt 10. Meanwhile, the heat insulation cotton felt 10 and the fireproof surface layer 11 are combined for use, so that the heat insulation cotton felt can be applied to products such as high-temperature pipelines and containers for heat insulation and preservation, and has strong popularization.
The embodiment of the application also discloses a fire protection smoke exhaust heat insulation air pipe applying the fire protection composite heat insulation cotton. Referring to fig. 2, including multisection flue gas tuber pipe 20, the both ends of flue gas tuber pipe 20 are provided with flange 203, are provided with the retaining member between the flange 203 of adjacent flue gas tuber pipe 20, and adjacent flue gas tuber pipe 20 is connected fixedly through the retaining member, and the bottom of flue gas tuber pipe 20 still is provided with the mounting that is used for fixing flue gas tuber pipe 20 at building furred ceiling.
Referring to fig. 3, the smoke exhaust duct 20 further includes an inner duct 201 and an outer duct 202, a heat insulation cotton felt 10 and a fireproof surface layer 11 are disposed between the inner duct 201 and the outer duct 202, the heat insulation cotton felt 10 is attached to the outer circumferential surface of the inner duct 201, and the fireproof surface layer 11 is attached to the inner circumferential surface of the outer duct 202. The inner pipe 201 is used for exhausting smoke and ventilating, and the outer pipe 202 is used for connecting and fixing the multiple sections of smoke exhausting air pipes 20. In this embodiment, the inner pipe 201 and the outer pipe 202 are made of galvanized steel sheets, which are low in cost, resistant to high temperature, easy to manufacture, and capable of ensuring effective ventilation and smoke exhaust in a building.
Referring to fig. 2 and 3, the flange 203 is welded and fixed on the outer periphery of the end of the outer pipe 202, in this embodiment, the locking member includes a locking bolt 22 and a locking nut 21, the locking bolt 22 penetrates through the two flanges 203 along the extending direction of the smoke exhaust duct 20, the locking nut 21 is screwed on the outer side of the end of the locking bolt 22, and the locking nut 21 abuts against the side wall of the flange 203. Wherein. The retaining members are provided in plurality and evenly distributed along the circumference of the flange 203 at equal intervals, so that the adjacent flanges 203 are tightly fixed.
In addition, a sealing member 23 is arranged between the adjacent flanges 203, and the sealing member 23 is made of a non-combustible material (grade A) and has a thickness not less than 3 mm. In this embodiment, the sealing member 23 is made of asbestos rubber gasket, which is heat-insulating and high-temperature resistant, and can effectively ensure the sealing property at the joint of the flange 203 and ensure effective smoke discharge of the smoke discharge air pipe 20.
Referring to fig. 2, the fixing member includes a transverse support rod 30, a vertical suspension rod 40 and a lateral suspension rod 50, the transverse support rod 30 extends along the horizontal direction and is perpendicular to the smoke exhaust air duct 20, the bottom of the smoke exhaust air duct 20 abuts against the outer side of the transverse support rod 30, the vertical suspension rod 40 is fixed on the outer side of the end portion of the transverse support rod 30, and the vertical suspension rod 40 is perpendicular to the transverse support rod 30 along the vertical direction. In this embodiment, the outer peripheral surface of the vertical suspension rod 40 is provided with a screw thread, and the horizontal support rod 30 and the vertical suspension rod 40 are connected and fixed by a nut.
Wherein, the one end that horizontal bracing piece 30 was kept away from to vertical jib 40 still is provided with first connecting piece, and first connecting piece is expansion bolts 41, and vertical jib 40 passes through expansion bolts 41 and building furred ceiling fixed connection. In addition, a second connecting member is provided between the lateral suspension bar 50 and the transverse support bar 30, and a third connecting member is provided at an end of the lateral suspension bar 50 away from the transverse support bar 30.
Referring to fig. 4, the second connecting member includes a first connecting piece 511 and a second connecting piece 512, the first connecting piece 511 is fixed at the connection position of the vertical suspension rod 40 and the transverse support rod 30, one end of the first connecting piece 511, which is away from the transverse support rod 30, is bent to form a hinge portion 514, a first rotating shaft 513 is arranged between the second connecting piece 512 and the hinge portion 514, the second connecting piece 512 is rotatably connected with the hinge portion 514 through the first rotating shaft 513, and one end of the second connecting piece 512, which is away from the first connecting piece 511, is fixedly connected with the lateral suspension rod 50.
Referring to fig. 4, the third link includes a connecting portion 521 and a rotating portion 522, the connecting portion 521 is fixed at an end of the lateral boom 50 away from the transverse support rod 30, a second rotating shaft 523 is disposed between the rotating portion 522 and the connecting portion 521, and the rotating portion 522 is rotatably connected to the connecting portion 521 through the second rotating shaft 523. At this time, the rotating portion 522 abuts against and is fixed to the ceiling of the building, thereby further supporting and fixing the exhaust air duct 20.
Referring to fig. 4, a channel 60 is further fixed to the periphery of the vertical hanger 40, the vertical hanger 40 is installed in the channel 60, a part of the outer side of the vertical hanger 40 abuts against the inner side of the channel 60, and a stiffening device 70 is provided in the channel 60.
Referring to fig. 5, the stiffening device 70 includes a stiffening bolt 701, a stiffening block 702 and a stiffening plate 703, the stiffening bolt 701 is in threaded connection with the stiffening block 702, one side of the stiffening block 702 away from the vertical suspender 40 is abutted against the side of the channel steel 60, thereby the rotation of the stiffening block 702 when the stiffening bolt 701 is twisted can be limited, the stiffening plate 703 is fixed at the end of the stiffening bolt 701 and is rotatably connected with the end of the stiffening bolt 701, one side of the stiffening plate 703 away from the stiffening bolt 701 is abutted against the outer side of the part of the vertical suspender 40, thereby the vertical suspender 40 can be fixedly connected with the channel steel 60 through the stiffening device 70, and the tensile capacity of the vertical suspender 40 is further improved.
The implementation principle of the fire-fighting smoke-discharging heat-insulating air pipe in the embodiment of the application is as follows: the smoke exhaust air pipe 20 is arranged into an inner layer and an outer layer, and the fire-fighting composite heat insulation cotton is arranged between the inner layer air pipe and the outer layer air pipe, so that the heat insulation performance of the smoke exhaust air pipe 20 can be effectively improved. In addition, through setting up the mounting, compare with the traditional mode that uses single gallows to fix the tuber pipe 20 of discharging fume, additionally increased a lateral jib 50 more, further improved the stability of the tuber pipe 20 installation of discharging fume, guaranteed the normal use of tuber pipe 20 of discharging fume when taking place the conflagration.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. The utility model provides a fire control is discharged fume and is insulated from heat tuber pipe which characterized in that: the composite heat-insulation cotton composite smoke-discharging air pipe comprises a plurality of sections of smoke-discharging air pipes (20), wherein each smoke-discharging air pipe (20) comprises an inner pipeline (201) and an outer pipeline (202), composite heat-insulation cotton is arranged between the inner pipeline (201) and the outer pipeline (202), each composite heat-insulation cotton comprises a heat-insulation cotton felt (10) and a fireproof surface layer (11), a flame-retardant adhesive is arranged between the heat-insulation cotton felt (10) and the fireproof surface layer (11), and the heat-insulation cotton felt (10) and the fireproof surface layer (11) are bonded and fixed through the flame-retardant adhesive; the both ends of discharging fume tuber pipe (20) all are provided with flange (203), and are adjacent be provided with the retaining member between flange (203) of discharging fume tuber pipe (20), and are adjacent it is fixed that the tuber pipe (20) of discharging fume is connected through the retaining member, the outside of discharging fume tuber pipe (20) still is provided with and is used for fixing the mounting at building furred ceiling with the tuber pipe (20) of discharging fume.
2. The fire protection smoke exhaust heat insulation air pipe according to claim 1, characterized in that: the heat insulation cotton felt (10) is an aluminum silicate cotton felt or an aerogel felt.
3. The fire protection smoke exhaust heat insulation air pipe according to claim 1, characterized in that: the fireproof surface layer (11) is ceramic cloth or high and medium purity silica glass fiber cloth.
4. The fire protection smoke exhaust heat insulation air pipe according to claim 1, characterized in that: the thickness of the heat insulation cotton felt (10) is 5-40mm, and the thickness of the fireproof surface layer (11) is 0.2-3 mm.
5. The fire protection smoke exhaust heat insulation air pipe according to claim 1, characterized in that: the fixing piece comprises a transverse supporting rod (30), the transverse supporting rod (30) is abutted with the bottom of the smoke exhaust air pipe (20), the extending direction of the transverse supporting rod (30) is vertical to the extending direction of the smoke exhaust air pipe (20), a vertical suspender (40) and a lateral suspender (50) are fixed at the two ends of the transverse supporting rod (30), the vertical suspender (40) is perpendicular to the transverse supporting rod (30), one end of the vertical suspender (40) far away from the transverse supporting rod (30) is provided with a first connecting piece used for connecting with a building, a second connecting piece is arranged between the lateral suspender (50) and the transverse supporting rod (30), the lateral suspender (50) is rotatably connected with the transverse supporting rod (30) through a second connecting piece, and a third connecting piece used for connecting with the building is arranged at one end of the lateral suspender (50) far away from the transverse supporting rod (30).
6. The fire protection smoke exhaust heat insulation air pipe according to claim 5, characterized in that: the first connecting piece comprises an expansion bolt (41), one end, far away from the transverse supporting rod (30), of the vertical hanging rod (40) is fixedly connected with a building through the expansion bolt (41), the second connecting piece comprises a first connecting piece (511) and a second connecting piece (512), the first connecting piece (511) is fixed at two ends of the transverse supporting rod (30), a first rotating shaft (513) is arranged between the first connecting piece (511) and the second connecting piece (512), the second connecting piece (512) is rotatably connected with the first connecting piece (511) through the first rotating shaft (513), the second connecting piece (512) is fixedly connected with the lateral hanging rod (50), the third connecting piece comprises a connecting part (521) and a rotating part (522), the connecting part (521) is fixed at one end, far away from the transverse supporting rod (30), of the lateral hanging rod (50), and a second rotating shaft (523) is arranged between the connecting part (521) and the rotating part (522), the rotating part (522) is rotatably connected with the connecting part (521) through a second rotating shaft (523).
7. The fire protection smoke exhaust heat insulation air pipe according to claim 1, characterized in that: and a sealing member (23) is arranged between the adjacent flanges (203).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021949482 | 2020-09-08 | ||
| CN2020219494822 | 2020-09-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215522468U true CN215522468U (en) | 2022-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022586096.8U Expired - Fee Related CN215522468U (en) | 2020-09-08 | 2020-11-10 | Fire-fighting smoke-discharging heat-insulating air pipe |
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| Country | Link |
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| CN (1) | CN215522468U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114923033A (en) * | 2022-07-22 | 2022-08-19 | 广州市泰昌实业有限公司 | Large-deformation ventilation pipeline and disaster recovery control method thereof |
| CN114963383A (en) * | 2022-05-25 | 2022-08-30 | 中电环宇（北京）建设工程有限公司 | Manufacturing and assembling method of smoke-preventing and exhausting air pipe |
-
2020
- 2020-11-10 CN CN202022586096.8U patent/CN215522468U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114963383A (en) * | 2022-05-25 | 2022-08-30 | 中电环宇（北京）建设工程有限公司 | Manufacturing and assembling method of smoke-preventing and exhausting air pipe |
| CN114923033A (en) * | 2022-07-22 | 2022-08-19 | 广州市泰昌实业有限公司 | Large-deformation ventilation pipeline and disaster recovery control method thereof |
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Granted publication date: 20220114 |