CN112113043A - Fireproof structure for smoke prevention and exhaust air pipe and installation method thereof - Google Patents

Fireproof structure for smoke prevention and exhaust air pipe and installation method thereof Download PDF

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Publication number
CN112113043A
CN112113043A CN202010967612.3A CN202010967612A CN112113043A CN 112113043 A CN112113043 A CN 112113043A CN 202010967612 A CN202010967612 A CN 202010967612A CN 112113043 A CN112113043 A CN 112113043A
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CN
China
Prior art keywords
fixing
shaped steel
smoke
screw rod
fixedly connected
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Granted
Application number
CN202010967612.3A
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Chinese (zh)
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CN112113043B (en
Inventor
陈卫根
徐建明
胡瑞
邵明峦
沈学文
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Kunshan Urban And Rural Construction Co ltd
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Kunshan Urban And Rural Construction Co ltd
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Priority to CN202010967612.3A priority Critical patent/CN112113043B/en
Publication of CN112113043A publication Critical patent/CN112113043A/en
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Publication of CN112113043B publication Critical patent/CN112113043B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/003—Rigid pipes with a rectangular cross-section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
    • F16L57/04—Protection of pipes or objects of similar shape against external or internal damage or wear against fire or other external sources of extreme heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
    • F16L59/021—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeve, two half sleeves
    • F16L59/025—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeve, two half sleeves with more then two segments
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
    • F16L59/028—Composition or method of fixing a thermally insulating material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/12—Arrangements for supporting insulation from the wall or body insulated, e.g. by means of spacers between pipe and heat-insulating material; Arrangements specially adapted for supporting insulated bodies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/12—Arrangements for supporting insulation from the wall or body insulated, e.g. by means of spacers between pipe and heat-insulating material; Arrangements specially adapted for supporting insulated bodies
    • F16L59/123—Anchoring devices; Fixing arrangements for preventing the relative longitudinal displacement of an inner pipe with respect to an outer pipe, e.g. stress cones
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/22—Pipes composed of a plurality of segments
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/0245—Manufacturing or assembly of air ducts; Methods therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/0263—Insulation for air ducts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/0281—Multilayer duct

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Manufacturing & Machinery (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)

Abstract

The application relates to the field of fire control and smoke prevention and exhaust, in particular to a fireproof structure for a smoke prevention and exhaust air pipe, which comprises a plurality of sections of heat insulation layers wrapped on the outer surface of the smoke prevention and exhaust air pipe, wherein the sections of heat insulation layers are arranged at equal length; each section of heat insulation layer is provided with a plurality of fixing devices for fixing the heat insulation layer, and the fixing devices are uniformly distributed on the corresponding smoke prevention and discharge air pipes. The method and the device have the effect of better guaranteeing the life safety of people.

Description

Fireproof structure for smoke prevention and exhaust air pipe and installation method thereof
Technical Field
The application relates to the field of fire control and smoke prevention and exhaust, in particular to a fireproof structure for a smoke prevention and exhaust air pipe and an installation method of the fireproof structure.
Background
The function of the smoke prevention and exhaust system mainly has two aspects: firstly, smoke-proof facilities are arranged at the evacuation channel and the position where people are dense, so that the safe evacuation of the people is facilitated; and toxic high-temperature smoke generated in a fire scene is discharged in time, so that the fire extinguishing barrier is eliminated. At present, people have higher and higher requirements on the safety of buildings, and the heat insulation and fire prevention performance of a smoke prevention and exhaust system is an important guarantee for the safety of the buildings.
The conventional fire-fighting smoke-control air duct is mostly made of galvanized steel plates, and the fire resistance limit of the conventional fire-fighting smoke-control air duct is only 0.25 hour.
In view of the above-mentioned related technologies, the inventor believes that if the fire prevention and exhaust work is performed only through the smoke prevention and exhaust air duct, the life safety of people cannot be well guaranteed when a fire occurs because the fire resistance limit of the smoke prevention and exhaust air duct is extremely short.
Disclosure of Invention
In order to better guarantee the life safety of people, the application provides a fireproof structure for a smoke prevention and exhaust air pipe and an installation method thereof.
First aspect, the application provides a fire resistive construction for preventing and discharging fume tuber pipe adopts following technical scheme:
a fireproof structure for a smoke prevention and exhaust air pipe comprises a plurality of sections of heat insulation layers wrapped on the outer surface of the smoke prevention and exhaust air pipe, wherein the sections of heat insulation layers are arranged in equal length; and each section of heat insulation layer is provided with a plurality of fixing devices for fixing the heat insulation layer, and the fixing devices are uniformly distributed on the corresponding smoke prevention and discharge air pipes.
Through adopting above-mentioned technical scheme, through after preventing that the tuber pipe surface of discharging fume wraps up the insulating layer, can strengthen the heat-resisting ability of preventing the tuber pipe of discharging fume, fixing device fixes the back to the insulating layer, can fix the insulating layer on the surface of preventing the tuber pipe of discharging fume, and then guarantees that the insulating layer can last stable parcel on the surface of preventing the tuber pipe of discharging fume, realizes better heat-resisting effect, and then better guarantee people's life safety.
Optionally, each section of the thermal insulation layer is provided with four fire-proof plates and four blank holders, and the fire-proof plates and the blank holders are arranged along the length direction of the smoke-proof and exhaust-discharge air pipe; four fire prevention board end to end connection forms square frame and wraps up on the surface of insulating layer, four the blank holder strip is located the four corners department of square frame respectively.
Through adopting above-mentioned technical scheme, the cross-section of PLASTIC LAMINATED can reduce the space between the PLASTIC LAMINATED when the concatenation PLASTIC LAMINATED, and the blank holder strip can compress tightly two adjacent PLASTIC LAMINATED, and rethread fixing device fixes blank holder strip and PLASTIC LAMINATED, and then improves the sealed effect of PLASTIC LAMINATED, guarantees the fire behavior of PLASTIC LAMINATED.
Optionally, each fixing device comprises two fixing pieces and two connecting pieces, each fixing piece comprises a first C-shaped steel and a second C-shaped steel, and the first C-shaped steel and the second C-shaped steel in each fixing piece are perpendicular to each other and fixedly connected; the connecting piece is used for fixedly connecting the two fixing pieces in the corresponding fixing devices.
Through adopting above-mentioned technical scheme, behind first C shaped steel and second C shaped steel mutually perpendicular and fixed connection, the rethread connecting piece can play the fixed effect of going on blank holder strip and PLASTIC LAMINATED with two mounting fixed connection.
Optionally, the cross section of each fireproof plate is an isosceles trapezoid, each edge strip comprises two side strips and a middle strip, the two side strips are perpendicular to each other, and the middle strip is clamped between the two side strips; each equal fixedly connected with sheet rubber on two sides of middle strip, the both ends of PLASTIC LAMINATED all contact with the sheet rubber.
Through adopting above-mentioned technical scheme, can strengthen the sealed effect between two PLASTIC LAMINATED after the rubber piece sets up, and then improve the fire behavior of PLASTIC LAMINATED.
Optionally, each of the connecting pieces comprises a first connecting plate and a second connecting plate; the end face, far away from the first C-shaped steel, of the second C-shaped steel in each fixing piece is rotatably connected with a fastening screw rod, the side face, far away from one end of the first C-shaped steel, of the second C-shaped steel in each fixing piece is fixedly connected with a connecting screw rod, and a connecting nut is in threaded connection with the connecting screw rod; a butting screw rod is fixedly connected to the side face of one end, away from the second C-shaped steel, of the first C-shaped steel in each fixing piece, and a butting nut is connected to the butting screw rod in a threaded mode;
the first connecting plate is provided with an abutting screw hole and a fastening screw hole, the inner peripheral wall of the fastening screw hole is provided with an internal thread, and the fastening screw hole is in threaded connection with a fastening screw rod; the second is even seted up on the board and is connected the screw, it is rectangular shape and even extends to the second one end of keeping away from first even board.
Through adopting above-mentioned technical scheme, can be connected fastening screw closely with first connecting plate through rotating fastening screw, constantly rotate fastening screw after, through coupling nut and coupling screw threaded connection, butt nut and butt screw threaded connection, two mountings can realize zonulae occludens.
Optionally, each of the connecting members comprises a first stabilizer plate and a second stabilizer plate; the end face, far away from the first C-shaped steel, of the second C-shaped steel in each fixing piece is fixedly connected with a fixing screw rod, and a fixing nut is connected to the fixing screw rod in a threaded mode; a stabilizing screw rod is fixedly connected to the side face of one end, away from the second C-shaped steel, of the first C-shaped steel in each fixing piece, and a stabilizing nut is connected to the stabilizing screw rod in a threaded mode;
a groove is formed in the side face of one end, away from the first C-shaped steel, of the second C-shaped steel in each fixing piece, a spring is connected to the groove bottom of the groove, a clamping block is connected to one end, away from the groove bottom of the groove, of the spring, and the end face, away from the spring, of the clamping block is arranged in an inclined mode; the first stabilizing plate is provided with a stabilizing screw hole and a fixing screw hole, and the second stabilizing plate is provided with a plurality of accommodating grooves for accommodating the clamping blocks.
Through adopting above-mentioned technical scheme, promote second C shaped steel to second stabilising plate, it is inseparabler to connect between two mountings in the promotion process, along with the fixture block that carries out of promotion constantly block into the holding tank in, because the terminal surface slope setting of spring is kept away from to the fixture block, the fixture block is constantly pushed out from the holding tank again, the fixture block can only promote forward, can not retreat until can not promote, the fixture block card is gone into in one of them holding tank this moment. At this moment, the two fixing pieces can be mutually fixed through the threaded connection of the fixing nut and the fixing screw rod and the threaded connection of the stabilizing nut and the stabilizing screw rod.
Optionally, an annular plate is fixedly connected to a notch of the groove, and the outer peripheral wall of the annular plate is fixedly connected to the notch of the groove; the fixture block comprises a connecting portion and a clamping portion, the connecting portion is located in the groove and fixedly connected with the spring, one end, far away from the spring, of the connecting portion is fixedly connected with the clamping portion, and the clamping portion is clamped into the accommodating groove.
Through adopting above-mentioned technical scheme, connecting portion are located can prevent in the recess that the fixture block from breaking away from the recess, guarantee the stability that the fixture block is connected.
In a second aspect, the present application provides a method for installing a fire protection structure of a smoke prevention and exhaust air duct, which adopts the following technical scheme: the method comprises the following steps:
s1, segmentation: the method comprises the following steps of segmenting the smoke prevention and exhaust air pipe along the length direction of the smoke prevention and exhaust air pipe, dividing the smoke prevention and exhaust air pipe into a plurality of sections with fixed length, and installing a fireproof structure by taking each section as a unit;
s2, measurement: measuring the outer surface of each section of smoke and smoke prevention and discharge air pipe, and recording the size of the outer surface of each section of smoke and smoke prevention and discharge air pipe;
s3, customizing: customizing a corresponding heat insulation layer, a fireproof plate, a blank holder strip and a fixing device according to the size of the outer surface of each section of smoke prevention and exhaust air pipe;
s4, installing a heat insulation layer: wrapping a plurality of sections of customized heat insulation layers on the outer surfaces of the corresponding smoke prevention and exhaust air pipes;
s5, mounting a fireproof plate: two fireproof plates are respectively arranged on two adjacent sides of the heat insulation layer, a certain gap is reserved between the two fireproof plates, the middle strip of the edge pressing strip is inserted into the gap, and the four fireproof plates are sequentially arranged on the heat insulation layer in the same mode. Three fixing devices are respectively arranged on the outer surfaces of the four fireproof plates corresponding to each section of the smoke prevention and discharge air pipe, and the three fixing devices are respectively positioned at the two ends and in the middle of the corresponding smoke prevention and discharge air pipe.
Through adopting above-mentioned technical scheme, through after segmentation, measurement, customization, installation insulating layer and installation fixing device, can realize will prevent that the insulating layer of the outer parcel of tuber pipe of discharging fume is fixed inseparable, and then realize better thermal-insulated effect, guarantee people's life health safety.
Optionally, each fixing device comprises two fixing pieces and two connecting pieces, each fixing piece comprises a first C-shaped steel and a second C-shaped steel, and the first C-shaped steel and the second C-shaped steel in each fixing piece are perpendicular to each other and fixedly connected; the connecting piece is used for fixedly connecting the two fixing pieces in the corresponding fixing devices;
each connecting piece comprises a first connecting plate and a second connecting plate; the end face, far away from the first C-shaped steel, of the second C-shaped steel in each fixing piece is rotatably connected with a fastening screw rod, the side face, far away from one end of the first C-shaped steel, of the second C-shaped steel in each fixing piece is fixedly connected with a connecting screw rod, and a connecting nut is in threaded connection with the connecting screw rod; a butting screw rod is fixedly connected to the side face of one end, away from the second C-shaped steel, of the first C-shaped steel in each fixing piece, and a butting nut is connected to the butting screw rod in a threaded mode;
the first connecting plate is provided with an abutting screw hole and a fastening screw hole, the inner peripheral wall of the fastening screw hole is provided with an internal thread, and the fastening screw hole is in threaded connection with a fastening screw rod; the second connecting plate is provided with a connecting screw hole which is in a long strip shape and extends towards one end of the second connecting plate far away from the first connecting plate;
step S5 includes the following substeps:
s51, connecting the fastening screw corresponding to one of the fixing pieces with the fastening screw hole in a threaded manner, and rotating the fastening screw to tightly connect the fastening screw with the fastening screw hole;
and S52, connecting the abutting nut and the abutting screw rod in a threaded manner, and connecting the connecting nut and the connecting screw rod in a threaded manner.
Through adopting above-mentioned technical scheme, make fastening screw and fastening screw threaded connection back through rotating fastening screw, with butt nut and butt screw threaded connection, coupling nut and coupling screw threaded connection can be inseparabler with connecting between two mountings.
Optionally, each fixing device comprises two fixing pieces and two connecting pieces, each fixing piece comprises a first C-shaped steel and a second C-shaped steel, and the first C-shaped steel and the second C-shaped steel in each fixing piece are perpendicular to each other and fixedly connected; the connecting piece is used for fixedly connecting the two fixing pieces in the corresponding fixing devices;
each of the connectors includes a first stabilizer plate and a second stabilizer plate; the end face, far away from the first C-shaped steel, of the second C-shaped steel in each fixing piece is fixedly connected with a fixing screw rod, and a fixing nut is connected to the fixing screw rod in a threaded mode; a stabilizing screw rod is fixedly connected to the side face of one end, away from the second C-shaped steel, of the first C-shaped steel in each fixing piece, and a stabilizing nut is connected to the stabilizing screw rod in a threaded mode;
a groove is formed in the side face of one end, away from the first C-shaped steel, of the second C-shaped steel in each fixing piece, a spring is connected to the groove bottom of the groove, a clamping block is connected to one end, away from the groove bottom of the groove, of the spring, and the end face, away from the spring, of the clamping block is arranged in an inclined mode; the first stabilizing plate is provided with a stabilizing screw hole and a fixing screw hole, and the second stabilizing plate is provided with a plurality of accommodating grooves for accommodating the clamping blocks;
an annular plate is fixedly connected to the notch of the groove, and the outer peripheral wall of the annular plate is fixedly connected with the notch of the groove; the clamping block comprises a connecting part and a clamping part, the connecting part is positioned in the groove and fixedly connected with the spring, one end of the connecting part, which is far away from the spring, is fixedly connected with the clamping part, and the clamping part is clamped in the accommodating groove;
step S5 includes the following substeps:
s51, respectively penetrating a fixing screw corresponding to one fixing piece and a stabilizing screw corresponding to the other fixing piece into a fixing screw hole and a stabilizing screw hole;
s52, pushing one of the fixing pieces, wherein the clamping parts slide in the plurality of accommodating grooves, and continuing to push the fixing pieces until the clamping blocks cannot be pushed, and the clamping parts are clamped in one of the accommodating grooves;
and S523, connecting the fixing nut with the fixing screw in a threaded manner, and connecting the stabilizing nut with the stabilizing screw in a threaded manner.
Through adopting above-mentioned technical scheme, along with the promotion of second C shaped steel, the fixture block card is to the holding tank in, with fixation nut and clamping screw threaded connection after the fixture block chucking, and stabilizing nut and stabilizing screw threaded connection can be connected closely two mountings, improve the fixity ability of mounting to the insulating layer, and then realize better heat-insulating effect.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through the heat insulation layer and the fixing device, the outer surface of the smoke-proof and exhaust air pipe can be wrapped by the heat insulation layer, so that the heat resistance of the smoke-proof and exhaust air pipe is improved, and the life health safety of people can be better guaranteed;
2. through the setting of blank holder strip and rubber piece, can make to connect more closely between two PLASTIC LAMINATED, and then make the PLASTIC LAMINATED tighter to the insulating layer parcel, promote the heat-resisting ability of preventing and discharging fume the tuber pipe.
Drawings
FIG. 1 is a schematic view of the overall structure of a fire protection structure for a smoke protection duct according to an embodiment;
FIG. 2 is a partial exploded view of a fire protection architecture for a smoke protection duct according to one embodiment;
FIG. 3 is another partial exploded view of a fire protection architecture for a smoke protection duct of the first embodiment;
FIG. 4 is a partial exploded view of the fire protection architecture for the smoke protection ductwork of embodiment two;
fig. 5 is another partial exploded view of the fire protection architecture for a smoke protection duct of the second embodiment.
Description of reference numerals: 1. a smoke exhaust preventing air duct; 2. a heat insulation plate; 3. a fire-proof plate; 4. edge pressing strips; 41. a side bar; 42. a middle strip; 43. a rubber sheet; 5. a fixing member; 51. a first C-section steel; 52. a second C-shaped steel; 53. connecting blocks; 54. a fixed block; 541. a rotating groove; 542. a rotating ring; 55. fastening a screw rod; 56. connecting a screw rod; 561. a connecting nut; 57. abutting against the screw; 571. abutting against the nut; 58. fixing the screw rod; 581. fixing a nut; 59. stabilizing the screw rod; 591. a stabilizing nut; 6. a connecting member; 61. a first connecting plate; 611. abutting against the screw hole; 612. fastening screw holes; 62. a second connecting plate; 621. a connecting screw hole; 63. a first stabilizer plate; 631. stabilizing the screw hole; 632. fixing screw holes; 64. a second stabilizing plate; 641. accommodating grooves; 7. a groove; 71. a spring; 72. a clamping block; 721. a connecting portion; 722. a snap-in portion; 73. an annular 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 resistive construction for preventing and discharging fume tuber pipe.
Example 1
Referring to fig. 1, a fire resistive construction for preventing discharging fume tuber pipe, including the parcel at a plurality of sections insulating layers of preventing discharging fume 1 surface of tuber pipe, the insulating layer specifically is the rock wool material, and a plurality of sections insulating layers are isometric to be set up. Take one of them section insulating layer as an example, every section insulating layer all wraps up four PLASTIC LAMINATED 3 and four blank holder 4 outward, all is provided with three fixing device who is used for fixed insulating layer on every section insulating layer, and three fixing device is located the both ends and the centre that correspond prevention and cure exhaust flue 1 respectively.
Referring to fig. 2, the length of each section of heat insulation layer can be set between 0.8m and 1.2m according to different actual conditions, each section of heat insulation layer is composed of four heat insulation plates 2, and the four heat insulation plates 2 are sequentially connected end to wrap the smoke prevention and discharge air pipe 1.
Referring to fig. 2, the fire-proof plates 3 and the blank holder strips 4 are arranged along the length direction of the smoke-proof exhaust air pipe 1, the cross section of each fire-proof plate 3 is isosceles trapezoid, and the four fire-proof plates 3 are connected end to form a square frame and wrapped on the outer surface of the heat-insulating layer.
Referring to fig. 2, four blank holders 4 are located the four corners of square frame respectively, and each blank holder 4 all includes two side strakes 41 and a middle strip 42, and two side strakes 41 mutually perpendicular are the setting of L type, and middle strip 42 centre gripping is between two side strakes 41, and the contained angle that forms between middle strip 42 and two side strakes 41 adjacent to it equals. All fixedly connected with sheet rubber 43 on two sides of each middle strip 42, middle strip 42 is inserted and is established between two adjacent PLASTIC LAMINATED 3, and the both ends of PLASTIC LAMINATED 3 all contact with sheet rubber 43.
Referring to fig. 3, three fixing devices are located on the outer surface of the fire prevention plate 3, each fixing device includes two fixing members 5 and two connecting members 6, each fixing member 5 includes first and second C-shaped steels 51 and 52, the first and second C-shaped steels 51 and 52 in each fixing member 5 are perpendicular to each other and in an L shape, and the first and second C-shaped steels 51 and 52 in each fixing member 5 are fixedly connected by a connecting block 53.
Referring to fig. 3, the connecting member 6 is used to fixedly connect two fixing members 5 in the corresponding fixing device. Two connecting pieces 6 are located between the first C-section steel 51 of one of the fixing pieces 5 and the second C-section steel 52 of the other fixing piece 5, respectively. Each of the connecting members 6 includes a first link plate 61 and a second link plate 62. Second C shaped steel 52 in each mounting 5 is kept away from all to rotate on the terminal surface of first C shaped steel 51 and is connected with fastening screw 55, it is specific, fixedly connected with fixed block 54 on second C shaped steel 52's the terminal surface, fixed block 54 has been kept away from and has been seted up on second C shaped steel 52's the terminal surface and has rotated groove 541, the notch department fixedly connected with rotating ring 542 who rotates groove 541, the periphery wall of rotating ring 542 and the notch fixed connection who rotates groove 541 play limiting displacement, fastening screw 55 is the setting of T type, the great one end of fastening screw 55 is located and rotates groove 541.
Referring to fig. 3, a connecting screw 56 is fixedly connected to a side surface of one end of the second C-shaped steel 52 away from the first C-shaped steel 51 in each fixing member 5, and a connecting nut 561 is connected to the connecting screw 56 in a threaded manner; an abutting screw 57 is fixedly connected to the side surface of one end, away from the second C-shaped steel 52, of the first C-shaped steel 51 in each fixing piece 5, and an abutting nut 571 is connected to the abutting screw 57 in a threaded manner.
Referring to fig. 3, the first connecting plate 61 is provided with an abutting screw hole 611 and a fastening screw hole 612, an inner circumferential wall of the fastening screw hole 612 is provided with an inner thread, and the fastening screw hole 612 is in threaded connection with the fastening screw 55; the second connecting plate 62 is provided with a connecting screw hole 621, and the connecting screw hole 621 is elongated and extends towards one end of the second connecting plate 62 far away from the first connecting plate 61. The abutment screw 57 is threaded to the abutment nut 571 after passing through the abutment screw hole 611, and the connection screw 56 is threaded to the connection nut 561 after passing through the connection screw hole 621.
The implementation principle of the fireproof structure for the smoke prevention and exhaust air pipe in embodiment 1 of the application is as follows:
install with one section prevention and exhaust fume tuber pipe 1 as the unit, at first connect gradually four blocks of heat shields 2 end to end and live preventing the parcel of exhaust fume tuber pipe 1 to place two PLASTIC LAMINATED 3 respectively on two adjacent heat shields 2, leave certain space between two PLASTIC LAMINATED 3, insert the space with the middle strip 42 of a blank holder strip 4, and install four PLASTIC LAMINATED 3 on the insulating layer in proper order according to same mode. The installation of the edge strip 4 and the fire-proof plate 3 is completed.
Then, three fixing devices are respectively installed and are respectively positioned at the two ends and the middle of the smoke and smoke prevention and exhaust air pipe 1, when the fixing devices are installed, the fastening screw 55 corresponding to one fixing piece 5 is in threaded connection with the fastening screw hole 612, and the fastening screw 55 is rotated to enable the fastening screw 55 to be tightly connected with the fastening screw hole 612; the abutment nut 571 is screwed to the abutment screw 57, and the connection nut 561 is screwed to the connection screw 56.
Example 2
This example differs from example 1 in that: referring to fig. 4, each of the connecting members 6 includes a first stabilizer plate 63 and a second stabilizer plate 64. The end surface of the second C-shaped steel 52 in each fixing part 5, which is far away from the first C-shaped steel 51, is fixedly connected with a fixing screw 58, and the fixing screw 58 is in threaded connection with a fixing nut 581; a stabilizing screw 59 is fixedly connected to the side surface of one end, away from the second C-shaped steel 52, of the first C-shaped steel 51 in each fixing part 5, and a stabilizing nut 591 is connected to the stabilizing screw 59 in a threaded mode.
Referring to fig. 4, a groove 7 is formed in a side surface of one end, away from the first C-shaped steel 51, of the second C-shaped steel 52 in each fixing member 5, a spring 71 is fixedly connected to a groove bottom of the groove 7, a fixture block 72 is fixedly connected to one end, away from the groove bottom of the groove 7, of the spring 71, and an end surface, away from the spring 71, of the fixture block 72 is obliquely arranged. The notch of the groove 7 is fixedly connected with an annular plate 73, and the outer peripheral wall of the annular plate 73 is fixedly connected with the notch of the groove 7. The latch 72 includes a connection portion 721 and a locking portion 722, the connection portion 721 is located in the recess 7 and is fixedly connected to the spring 71, and an end of the connection portion 721 away from the spring 71 is fixedly connected to the locking portion 722.
Referring to fig. 5, the first stabilizing plate 63 is provided with a stabilizing screw hole 631 and a fixing screw hole 632, the stabilizing screw 59 penetrates through the stabilizing screw hole 631 and is then screwed with a stabilizing nut 591, and the fixing screw 58 penetrates through the fixing screw hole 632 and is then screwed with a fixing nut 581. The second stabilizing plate 64 is sequentially provided with a plurality of receiving grooves 641 for receiving the engaging blocks 72, the groove bottoms of the receiving grooves 641 are inclined, and the engaging portions 722 are engaged in the receiving grooves 641.
The implementation principle of the fire protection structure for the smoke prevention and exhaust air pipe in embodiment 2 of the application is as follows:
install with one section prevention and exhaust fume tuber pipe 1 as the unit, at first connect gradually four blocks of heat shields 2 end to end and live preventing the parcel of exhaust fume tuber pipe 1 to place two PLASTIC LAMINATED 3 respectively on two adjacent heat shields 2, leave certain space between two PLASTIC LAMINATED 3, insert the space with the middle strip 42 of a blank holder strip 4, and install four PLASTIC LAMINATED 3 on the insulating layer in proper order according to same mode. The installation of the edge strip 4 and the fire-proof plate 3 is completed.
Then, three fixing devices are respectively installed, the three fixing devices are respectively positioned at two ends and in the middle of the smoke prevention and exhaust air pipe 1, and when the fixing devices are installed, the fixing screw 58 corresponding to one fixing piece 5 and the stabilizing screw 59 corresponding to the other fixing piece 5 are respectively inserted into the fixing screw hole 632 and the stabilizing screw hole 631; pushing one of the fixing members 5, at this time, the clamping portion 722 slides in the plurality of receiving grooves 641, and continuing to push the fixing member 5 until the clamping block 72 cannot be pushed, at this time, the clamping portion 722 is clamped in one of the receiving grooves 641; the fixing nut 581 is screwed to the fixing screw 58, and the stabilizing nut 591 is screwed to the stabilizing screw 59.
The embodiment of the application discloses an installation method of a fireproof structure for a smoke prevention and exhaust air pipe based on the above.
Example 1
S1, segmentation: the length direction along preventing and discharging fume tuber pipe 1 divides preventing and discharging fume tuber pipe 1, will prevent that the tuber pipe 1 that discharges fume divides into a plurality of sections of fixed length, and every section prevents that the tuber pipe 1 length of discharging fume is between 0.8m to 1.2m to every section carries out fire resistive construction's installation as a unit.
S2, measurement: and measuring the outer surface of each section of the smoke prevention and exhaust air pipe 1, and recording the area of the outer surface of each section of the smoke prevention and exhaust air pipe 1.
S3, customizing: and customizing a corresponding heat insulation layer, a fireproof plate 3, a blank holder strip 4 and a fixing device according to the area of the outer surface of each section of smoke prevention and exhaust air pipe 1.
S4, installing a heat insulation layer: and a plurality of sections of customized heat insulation layers are wrapped on the outer surface of the corresponding smoke prevention and exhaust air pipe 1. Namely, the four heat insulation boards 2 are connected end to end and wrapped on the outer surface of the smoke prevention and exhaust air pipe 1.
S5, installation of the fireproof plate 3: two fire prevention boards 3 are respectively placed on two adjacent sides of the heat insulation layer, a certain gap is reserved between the two fire prevention boards 3, the middle strip 42 of one blank holder strip 4 is inserted into the gap, and the four fire prevention boards 3 are sequentially arranged on the heat insulation layer according to the same mode. Three fixing devices are respectively arranged on the outer surfaces of the four fireproof plates 3 corresponding to each section of the smoke prevention and discharge air pipe 1, and the three fixing devices are respectively positioned at the two ends and in the middle of the corresponding smoke prevention and discharge air pipe 1.
Step S5 includes the following substeps: the two connecting pieces 6 are respectively connected, and one of the connecting pieces 6 is taken as an example:
s51, the fastening screw 55 corresponding to one of the fixing members 5 is screwed into the fastening screw hole 612, and the fastening screw 55 is rotated to tightly connect the fastening screw 55 to the fastening screw hole 612.
S52, the abutment nut 571 is screwed to the abutment screw 57, and the connection nut 561 is screwed to the connection screw 56.
The edge strip 4 and the fireproof plate 3 can be tightly fixed.
Example 2
Example 2 differs from example 1 in that:
step S5 includes the following substeps: the two connecting pieces 6 are respectively connected, and one of the connecting pieces 6 is taken as an example:
and S51, respectively penetrating the fixing screw 58 corresponding to one fixing piece 5 and the stabilizing screw 59 corresponding to the other fixing piece 5 into the fixing screw hole 632 and the stabilizing screw hole 631.
S52, pushing one of the fixing elements 5, wherein the engaging portion 722 slides in the plurality of receiving grooves 641, and continuing to push the fixing element 5 until the engaging block 72 cannot be pushed, and at this time, the engaging portion 722 engages in one of the receiving grooves 641.
S523, the fixing nut 581 is screwed to the fixing screw 58, and the stabilizing nut 591 is screwed to the stabilizing screw 59.
The edge strip 4 and the fireproof plate 3 can be tightly fixed.
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 (11)

1. The utility model provides a fire resistive construction for preventing and discharging fume tuber pipe which characterized in that: the heat insulation device comprises a plurality of sections of heat insulation layers wrapped on the outer surface of a smoke prevention and exhaust air pipe (1), wherein the sections of heat insulation layers are arranged in equal length; each section of heat insulation layer is provided with a plurality of fixing devices for fixing the heat insulation layer, and the fixing devices are uniformly distributed on the corresponding smoke prevention and discharge air pipes (1).
2. The fire protection architecture for a smoke exhaust prevention ductwork of claim 1, wherein: each section of the heat insulation layer is provided with four fireproof plates (3) and four blank holders (4), and the fireproof plates (3) and the blank holders (4) are arranged along the length direction of the smoke prevention and exhaust air pipe (1); four fire proof plate (3) end to end connection forms square frame and wraps up on the surface of insulating layer, four blank holder strip (4) are located the four corners department of square frame respectively.
3. The fire protection architecture for a smoke exhaust prevention ductwork of claim 2, wherein: each fixing device comprises two fixing pieces (5) and two connecting pieces (6), each fixing piece (5) comprises a first C-shaped steel (51) and a second C-shaped steel (52), and the first C-shaped steel (51) and the second C-shaped steel (52) in each fixing piece (5) are perpendicular to each other and fixedly connected; the connecting piece (6) is used for fixedly connecting the two fixing pieces (5) in the corresponding fixing device.
4. The fire protection architecture for a smoke exhaust prevention ductwork of claim 2, wherein: the section of each fireproof plate (3) is isosceles trapezoid, each edge pressing strip (4) comprises two side edge strips (41) and a middle strip (42), the two side edge strips (41) are perpendicular to each other, and the middle strip (42) is clamped between the two side edge strips (41); and rubber sheets (43) are fixedly connected to two side surfaces of each middle strip (42), and two ends of the fireproof plate (3) are in contact with the rubber sheets (43).
5. A fire protection architecture for a smoke exhaust prevention ductwork according to claim 3, wherein: each connecting piece (6) comprises a first connecting plate (61) and a second connecting plate (62); a fastening screw rod (55) is rotatably connected to the end face, far away from the first C-shaped steel (51), of the second C-shaped steel (52) in each fixing piece (5), a connecting screw rod (56) is fixedly connected to the side face, far away from the first C-shaped steel (51), of one end of the second C-shaped steel (52) in each fixing piece (5), and a connecting nut (561) is in threaded connection with the connecting screw rod (56); an abutting screw rod (57) is fixedly connected to the side face of one end, away from the second C-shaped steel (52), of the first C-shaped steel (51) in each fixing piece (5), and an abutting nut (571) is connected to the abutting screw rod (57) in a threaded mode;
an abutting screw hole (611) and a fastening screw hole (612) are formed in the first connecting plate (61), internal threads are formed in the inner peripheral wall of the fastening screw hole (612), and the fastening screw hole (612) is in threaded connection with the fastening screw rod (55); the second connecting plate (62) is provided with a connecting screw hole (621), and the connecting screw hole (621) is long-strip-shaped and extends towards one end of the second connecting plate (62) far away from the first connecting plate (61).
6. A fire protection architecture for a smoke exhaust prevention ductwork according to claim 3, wherein: each of said connectors (6) comprising a first stabilizer plate (63) and a second stabilizer plate (64); a fixing screw rod (58) is fixedly connected to the end face, away from the first C-shaped steel (51), of the second C-shaped steel (52) in each fixing piece (5), and a fixing nut (581) is connected to the fixing screw rod (58) in a threaded mode; a stabilizing screw rod (59) is fixedly connected to the side face of one end, away from the second C-shaped steel (52), of the first C-shaped steel (51) in each fixing piece (5), and a stabilizing nut (591) is connected to the stabilizing screw rod (59) in a threaded mode;
a groove (7) is formed in the side face of one end, away from the first C-shaped steel (51), of the second C-shaped steel (52) in each fixing piece (5), a spring (71) is connected to the groove bottom of the groove (7), a clamping block (72) is connected to one end, away from the groove bottom of the groove (7), of the spring (71), and the end face, away from the spring (71), of the clamping block (72) is obliquely arranged; the first stabilizing plate (63) is provided with a stabilizing screw hole (631) and a fixing screw hole (632), and the second stabilizing plate (64) is provided with a plurality of accommodating grooves (641) for accommodating the clamping blocks (72).
7. The fire protection architecture for a smoke exhaust prevention ductwork of claim 6, wherein: an annular plate (73) is fixedly connected to the notch of the groove (7), and the outer peripheral wall of the annular plate (73) is fixedly connected with the notch of the groove (7); the clamping block (72) comprises a connecting portion (721) and a clamping portion (722), the connecting portion (721) is located in the groove (7) and fixedly connected with the spring (71), one end, far away from the spring (71), of the connecting portion (721) is fixedly connected with the clamping portion (722), and the clamping portion (722) is clamped in the accommodating groove (641).
8. The installation method of a fire protection structure for a smoke prevention and evacuation duct according to any one of claims 4 to 7, wherein: the method comprises the following steps:
s1, segmentation: dividing the smoke and smoke preventing and discharging air pipe (1) along the length direction of the smoke and smoke preventing and discharging air pipe (1), dividing the smoke and smoke preventing and discharging air pipe (1) into a plurality of sections with fixed length, and installing a fireproof structure by taking each section as a unit;
s2, measurement: measuring the outer surface of each section of smoke and smoke prevention and exhaust air pipe (1), and recording the area of the outer surface of each section of smoke and smoke prevention and exhaust air pipe (1);
s3, customizing: customizing a corresponding heat insulation layer, a fireproof plate (3), a blank holder strip (4) and a fixing device according to the size of the outer surface of each section of smoke prevention and exhaust air pipe (1);
s4, installing a heat insulation layer: a plurality of sections of customized heat insulation layers are wrapped on the outer surface of the corresponding smoke prevention and exhaust air pipe (1);
s5, installation of the fireproof plate (3): two fireproof plates (3) are respectively arranged on two adjacent sides of a heat insulation layer, a certain gap is reserved between the two fireproof plates (3), a middle strip (42) of one blank holder strip (4) is inserted into the gap, and the four fireproof plates (3) are sequentially arranged on the heat insulation layer in the same mode.
9. Three fixing devices are respectively arranged on the outer surfaces of the four fireproof plates (3) corresponding to each section of the smoke and smoke preventing and discharging air pipe (1), and the three fixing devices are respectively positioned at the two ends and the middle of the corresponding smoke and smoke preventing and discharging air pipe (1).
10. The method of installation according to claim 8, wherein: each fixing device comprises two fixing pieces (5) and two connecting pieces (6), each fixing piece (5) comprises a first C-shaped steel (51) and a second C-shaped steel (52), and the first C-shaped steel (51) and the second C-shaped steel (52) in each fixing piece (5) are perpendicular to each other and fixedly connected; the connecting piece (6) is used for fixedly connecting the two fixing pieces (5) in the corresponding fixing device;
each connecting piece (6) comprises a first connecting plate (61) and a second connecting plate (62); a fastening screw rod (55) is rotatably connected to the end face, far away from the first C-shaped steel (51), of the second C-shaped steel (52) in each fixing piece (5), a connecting screw rod (56) is fixedly connected to the side face, far away from the first C-shaped steel (51), of one end of the second C-shaped steel (52) in each fixing piece (5), and a connecting nut (561) is in threaded connection with the connecting screw rod (56); an abutting screw rod (57) is fixedly connected to the side face of one end, away from the second C-shaped steel (52), of the first C-shaped steel (51) in each fixing piece (5), and an abutting nut (571) is connected to the abutting screw rod (57) in a threaded mode;
an abutting screw hole (611) and a fastening screw hole (612) are formed in the first connecting plate (61), internal threads are formed in the inner peripheral wall of the fastening screw hole (612), and the fastening screw hole (612) is in threaded connection with the fastening screw rod (55); the second connecting plate (62) is provided with a connecting screw hole (621), and the connecting screw hole (621) is in a long strip shape and extends towards one end of the second connecting plate (62) far away from the first connecting plate (61);
step S5 includes the following substeps:
s51, connecting the fastening screw rod (55) corresponding to one of the fixing pieces (5) with the fastening screw hole (612) in a threaded manner, and rotating the fastening screw rod (55) to enable the fastening screw rod (55) to be tightly connected with the fastening screw hole (612);
s52, the abutment nut (571) is screwed to the abutment screw (57), and the connection nut (561) is screwed to the connection screw (56).
11. The method of installation according to claim 8, wherein: each fixing device comprises two fixing pieces (5) and two connecting pieces (6), each fixing piece (5) comprises a first C-shaped steel (51) and a second C-shaped steel (52), and the first C-shaped steel (51) and the second C-shaped steel (52) in each fixing piece (5) are perpendicular to each other and fixedly connected; the connecting piece (6) is used for fixedly connecting the two fixing pieces (5) in the corresponding fixing device;
each of said connectors (6) comprising a first stabilizer plate (63) and a second stabilizer plate (64); a fixing screw rod (58) is fixedly connected to the end face, away from the first C-shaped steel (51), of the second C-shaped steel (52) in each fixing piece (5), and a fixing nut (581) is connected to the fixing screw rod (58) in a threaded mode; a stabilizing screw rod (59) is fixedly connected to the side face of one end, away from the second C-shaped steel (52), of the first C-shaped steel (51) in each fixing piece (5), and a stabilizing nut (591) is connected to the stabilizing screw rod (59) in a threaded mode;
a groove (7) is formed in the side face of one end, away from the first C-shaped steel (51), of the second C-shaped steel (52) in each fixing piece (5), a spring (71) is connected to the groove bottom of the groove (7), a clamping block (72) is connected to one end, away from the groove bottom of the groove (7), of the spring (71), and the end face, away from the spring (71), of the clamping block (72) is obliquely arranged; the first stabilizing plate (63) is provided with a stabilizing screw hole (631) and a fixing screw hole (632), and the second stabilizing plate (64) is provided with a plurality of accommodating grooves (641) for accommodating the fixture blocks (72);
an annular plate (73) is fixedly connected to the notch of the groove (7), and the outer peripheral wall of the annular plate (73) is fixedly connected with the notch of the groove (7); the clamping block (72) comprises a connecting part (721) and a clamping part (722), the connecting part (721) is positioned in the groove (7) and fixedly connected with the spring (71), one end, far away from the spring (71), of the connecting part (721) is fixedly connected with the clamping part (722), and the clamping part (722) is clamped in the accommodating groove (641);
step S5 includes the following substeps:
s51, respectively penetrating a fixing screw rod (58) corresponding to one fixing piece (5) and a stabilizing screw rod (59) corresponding to the other fixing piece (5) into a fixing screw hole (632) and a stabilizing screw hole (631);
s52, pushing one of the fixing pieces (5), wherein the clamping parts (722) slide in the accommodating grooves (641), and continuing to push the fixing pieces (5) until the clamping blocks (72) cannot be pushed, wherein the clamping parts (722) are clamped in one of the accommodating grooves (641);
s523, the fixing nut (581) is in threaded connection with the fixing screw (58), and the stabilizing nut (591) is in threaded connection with the stabilizing screw (59).
CN202010967612.3A 2020-09-15 2020-09-15 Fireproof structure for smoke prevention and exhaust air pipe and installation method thereof Active CN112113043B (en)

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CN112728742A (en) * 2020-12-31 2021-04-30 陕西建工第五建设集团有限公司 Modular assembly method of low-noise asbestos-free calcium silicate plate fireproof air pipe
CN113864648A (en) * 2021-11-30 2021-12-31 中国飞机强度研究所 Wide-temperature-range large-section straight-through type air valve pipeline for airplane test

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CN110566726A (en) * 2019-09-29 2019-12-13 中国铁路设计集团有限公司 Fire prevention integrative compound tuber pipe that keeps warm
CN111139996A (en) * 2020-01-16 2020-05-12 江苏特拉维斯暖通科技有限公司 Integrated fireproof heat-insulation assembled smoke-proof and smoke-discharging air pipe and preparation method thereof
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CN206656075U (en) * 2017-04-19 2017-11-21 广州市贵庭机电设备有限公司 A kind of fire compartment combined pipe
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CN113864648A (en) * 2021-11-30 2021-12-31 中国飞机强度研究所 Wide-temperature-range large-section straight-through type air valve pipeline for airplane test

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