CN219082486U

CN219082486U - Thick light fire-resistant weather-resistant self-supporting smoke-proof air duct

Info

Publication number: CN219082486U
Application number: CN202223479750.0U
Authority: CN
Inventors: 黄莉; 黄甫; 乔涛; 方穆兴; 黄诗华
Original assignee: Jiangxi Yuanyang Weili Industrial Co ltd
Current assignee: Jiangxi Yuanyang Weili Industrial Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-05-26
Anticipated expiration: 2032-12-26

Abstract

The utility model relates to the field of smoke prevention and exhaust air pipes, and discloses a thick light fire-resistant weather-resistant self-supporting smoke prevention and exhaust air pipe which effectively solves the problem that smoke dust is easy to adhere to the inner wall of the smoke prevention and exhaust air pipe at present, so that the service life of the smoke prevention and exhaust air pipe is reduced.

Description

Thick light fire-resistant weather-resistant self-supporting smoke-proof air duct

Technical Field

The utility model belongs to the field of smoke-proof air pipes, and particularly relates to a thick light fire-resistant weather-resistant self-supporting smoke-proof air pipe.

Background

The smoke is a primary factor of people to death in fire, besides threatening life safety of people, the smoke provides conditions for spreading of fire, the smoke prevention and exhaust system is a general term of a smoke prevention system and a smoke exhaust system, the smoke prevention system adopts a mechanical pressurizing air supply mode or a natural ventilation mode to prevent the smoke from entering a system of an evacuation channel, the smoke exhaust system adopts a mechanical smoke discharge mode or a natural ventilation mode to exhaust the smoke to a system outside a building, the smoke prevention system is generally formed by interconnecting smoke prevention and exhaust air pipes, and the end parts of the smoke prevention and exhaust air pipes are provided with mechanical pressurizing air supply equipment and other equipment, so that the smoke is conveniently exhausted, but the following defects still exist:

because the smoke and dust is discharged through the smoke prevention and discharge air pipe, the smoke and dust is easy to adhere to the inner wall of the smoke and discharge air pipe, and the inner wall of the smoke and discharge air pipe is possibly corroded, so that the service life of the smoke and discharge air pipe is reduced.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the thick light fireproof weather-resistant self-supporting smoke prevention and exhaust air pipe, which effectively solves the problem that smoke dust is easy to adhere to the inner wall of the smoke prevention and exhaust air pipe at present, so that the service life of the smoke prevention and exhaust air pipe is reduced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the thick light fire-resistant weather-resistant self-supporting smoke prevention and exhaust air pipe comprises an air pipe body, wherein a cleaning assembly is arranged in the air pipe body;

the cleaning component comprises sleeves arranged at four corners of the inner top wall of the air pipe body, movable blocks are movably connected in the sleeves, bottom rods are arranged at the bottoms of the movable blocks, bottoms of the bottom rods are located below the bottoms of the sleeves, cleaning sleeves are arranged on one sides, close to each other, of the sleeves at two ends of the air pipe body, rotating rods are connected to the bottoms of the bottom rods in a rotating mode, the bottoms of the rotating rods are connected with the cleaning sleeves in a rotating mode, guide rods are arranged between one sides, close to each other, of the sleeves at two ends of the air pipe body, and the cleaning sleeves are connected with the guide rods in a sliding mode.

Preferably, the outer wall of the cleaning sleeve is uniformly provided with bristles, and the bristles are clung to the inner wall of the air pipe body.

Preferably, springs are symmetrically arranged at the bottom ends of the movable blocks, and the bottom ends of the springs are fixedly connected with the inner bottom wall of the sleeve.

Preferably, the magnetic block is installed on the top of movable block, and the top of magnetic block is equipped with the electro-magnet, and electro-magnet fixed mounting is in the top of tuber pipe body, and electro-magnet and magnetic block magnetism are connected.

Preferably, the air pipe body comprises two angle iron flanges, an outer L-shaped light steel keel is arranged between the two angle iron flanges at equal angles, an inner L-shaped light steel keel is arranged between the two angle iron flanges at equal angles, and the inner L-shaped light steel keel is located on the inner side of the outer L-shaped light steel keel.

Preferably, rectangular supporting frames are arranged between the outer L-shaped light steel keels and the inner L-shaped light steel keels at equal intervals, three rectangular supporting frames are arranged, and inner pipes are arranged on the inner sides of the inner L-shaped light steel keels.

Preferably, the inner tube comprises a fireproof FCA plate, a heat insulation layer is arranged on the inner side of the fireproof FCA plate, a galvanized sheet is arranged on the inner side of the heat insulation layer, heat insulation cotton is used as a heat insulation layer, and aluminum foil is attached to the inner wall of the inner tube.

Compared with the prior art, the utility model has the beneficial effects that:

(1) According to the utility model, after the electromagnet is electrified, the bottom rod moves downwards, and then the rotating rod rotates to drive the two cleaning sleeves to be close to each other, so that the bristles on the outer side of the cleaning sleeves clean smoke dust attached to the inner wall of the air pipe body, and the service life of the air pipe body is prolonged;

(2) This novel material through insulating layer is thermal-insulated cotton, and fire prevention FCA board has fire behavior for the tuber pipe body has very strong fire behavior, has the aluminium foil on the inner wall of inner tube simultaneously, can reduce the intraductal friction resistance and improve the leakproofness, has improved the thermal-insulated performance of tuber pipe body, reduces high temperature flue gas in the diffusion rapidly, and the fire situation is through various ventilation, the mutual possibility of flame-retardant of extension of exhaust pipe.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a schematic diagram of a thick light fire-resistant weather-resistant self-supporting smoke-preventing and exhausting air duct structure of the utility model;

FIG. 2 is a schematic view of a cleaning assembly according to the present utility model;

FIG. 3 is a schematic view of the structure of the air duct body of the present utility model;

FIG. 4 is a schematic view of the structure of the inner tube of the present utility model;

in the figure: 1. an air duct body; 101. an angle iron flange; 102. an outer L-shaped light steel keel; 103. an L-shaped light steel keel at the inner side; 104. a rectangular support frame; 105. an inner tube; 1051. a fire-resistant FCA panel; 1052. a thermal insulation layer; 1053. a galvanized plate; 2. a cleaning assembly; 201. a sleeve; 202. a movable block; 203. a bottom bar; 204. a rotating lever; 205. a spring; 206. a cleaning sleeve; 207. a magnetic block; 208. a guide rod; 3. an electromagnet.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

1-4, the utility model includes tuber pipe body 1, the internally mounted of tuber pipe body 1 has clean subassembly 2, clean subassembly 2 includes the sleeve 201 of installing in tuber pipe body 1 roof four corners department, the inside swing joint of sleeve 201 has movable block 202, the sill bar 203 is installed to the bottom of movable block 202, the bottom of sill bar 203 is located the bottom below of sleeve 201, the one side that sleeve 201 is close to each other at tuber pipe body 1 both ends all is equipped with cleaning sleeve 206, the bottom of sill bar 203 rotates and is connected with dwang 204, the bottom and the cleaning sleeve 206 of dwang 204 rotate to be connected, install guide bar 208 between the one side that sleeve 201 is close to each other at tuber pipe body 1 both ends, cleaning sleeve 206 and guide bar 208 sliding connection, the outer wall of cleaning sleeve 206 evenly installs the brush hair, the brush hair is hugged closely with the inner wall of tuber pipe body 1, the bottom symmetry of movable block 202 installs spring 205, the bottom of spring 205 and the inner bottom of sleeve 201 are fixed connection, the top of movable block 202 installs magnet 207, the top of magnet 207 is equipped with electro-magnet 3, electro-magnet 3 is fixed on the top of electromagnet 3 and is installed on the top of tuber pipe body 1, electro-magnet 3 and electromagnet 207 is connected with magnet 3, make the electro-magnet 3 and the electro-magnet 3 are close to each other, make the inside the cleaning sleeve 206 rotate and make the inside the clean sleeve 1 rotate, thereby make the clean sleeve is followed by the life-cycle, and make the clean sleeve is made to rotate and make the clean sleeve 1, and make and clean the inside and the life-form, and the life-cycle.

The air duct body 1 comprises two angle iron flanges 101, an outer L-shaped light steel keel 102 is arranged between the two angle iron flanges 101 at equal angles, an inner L-shaped light steel keel 103 is arranged between the two angle iron flanges 101 at equal angles, the inner L-shaped light steel keel 103 is located on the inner side of the outer L-shaped light steel keel 102, rectangular supporting frames 104 are arranged between the outer L-shaped light steel keel 102 and the inner L-shaped light steel keel 103 at equal intervals, the rectangular supporting frames 104 are provided with three, inner pipes 105 are arranged on the inner sides of the inner L-shaped light steel keels 103, the inner pipes 105 comprise fireproof FCA plates 1051, heat insulation layers 1052 are arranged on the inner sides of the fireproof FCA plates 1051, galvanized plates 1053 are arranged on the inner sides of the heat insulation layers 1052, the heat insulation layers 1052 are made of heat insulation cotton, aluminum foils are attached to the inner walls of the inner pipes 105, the fireproof FCA plates 1051 are of fireproof characteristics, meanwhile, the inner walls of the inner pipes 105 are provided with aluminum foils, the inner-resistance ratios of the inner pipes can be reduced, the sealing performance is improved, the air duct body 1 has strong fireproof performance, the heat insulation performance is improved, the heat insulation performance of the air duct body 1 is reduced, and the smoke can spread in various fire-and smoke can pass through various fire-and spread through the fire-spreading ducts.

Working principle: when the cleaning device is used, when the inner wall of the air pipe body 1 needs to be cleaned, the electromagnet 3 is electrified, so that repulsive force is generated on the magnetic block 207, the bottom rod 203 moves downwards under the repulsive force, the guide rods 208 arranged between the sleeves 201 on the two sides are in sliding connection with the cleaning sleeves 206, so that after the bottom rod 203 moves downwards, the rotating rods 204 are driven to rotate, the cleaning sleeves 206 on the two sides are pushed to approach each other, bristles are arranged on the outer sides of the cleaning sleeves 206, the inner wall of the air pipe body 1 is cleaned by the bristles through the movement of the cleaning sleeves 206, the adhesion of smoke dust on the inner wall of the air pipe body 1 is reduced, and the service life of the air pipe body 1 is prolonged;

the inner tube 105 comprises fire prevention FCA board 1051, insulating layer 1052 and galvanized sheet 1053, and the material of insulating layer 1052 is thermal-insulated cotton, and fire prevention FCA board 1051 has fire behavior to make tuber pipe body 1 have very strong fire behavior, attached the aluminium foil on the inner wall of inner tube 105 simultaneously, can reduce the intraductal friction resistance and improve the leakproofness, improved the thermal-insulated performance of tuber pipe body 1, reduced high temperature flue gas in the rapid diffusion, the fire through various ventilation, the mutual possibility of delaying combustion of exhaust flue.

Claims

1. The utility model provides a thick light-duty fire-resistant weatherability self-supporting formula is prevented fume exhaust tuber pipe, includes tuber pipe body (1), its characterized in that: a cleaning component (2) is arranged in the air pipe body (1);

the cleaning assembly (2) comprises sleeves (201) arranged at four corners of the inner top wall of the air pipe body (1), movable blocks (202) are movably connected in the sleeves (201), bottom rods (203) are arranged at the bottoms of the movable blocks (202), the bottoms of the bottom rods (203) are located below the bottoms of the sleeves (201), cleaning sleeves (206) are arranged on one sides, close to each other, of the sleeves (201) at two ends of the air pipe body (1), rotating rods (204) are rotatably connected to the bottoms of the bottom rods (203), the bottoms of the rotating rods (204) are rotatably connected to the cleaning sleeves (206), guide rods (208) are arranged between one sides, close to each other, of the sleeves (201) at two ends of the air pipe body (1), and the cleaning sleeves (206) are slidably connected with the guide rods (208).

2. The thick lightweight fire resistant weatherable self supporting smoke prevention and removal duct of claim 1, wherein: the outer wall of the cleaning sleeve (206) is uniformly provided with bristles, and the bristles are clung to the inner wall of the air pipe body (1).

3. The thick lightweight fire resistant weatherable self supporting smoke prevention and removal duct of claim 1, wherein: the bottom of the movable block (202) is symmetrically provided with springs (205), and the bottom of the springs (205) is fixedly connected with the inner bottom wall of the sleeve (201).

4. The thick lightweight fire resistant weatherable self supporting smoke prevention and removal duct of claim 1, wherein: the top of movable block (202) is installed magnetic path (207), and the top of magnetic path (207) is equipped with electro-magnet (3), and electro-magnet (3) fixed mounting is in the top of tuber pipe body (1), and electro-magnet (3) are connected with magnetic path (207) magnetism.

5. The thick lightweight fire resistant weatherable self supporting smoke prevention and removal duct of claim 1, wherein: the air duct body (1) comprises two angle iron flanges (101), an outer side L-shaped light steel keel (102) is arranged between the two angle iron flanges (101) at equal angles, an inner side L-shaped light steel keel (103) is arranged between the two angle iron flanges (101) at equal angles, and the inner side L-shaped light steel keel (103) is located on the inner side of the outer side L-shaped light steel keel (102).

6. The thick lightweight fire resistant weatherable self supporting smoke prevention and removal duct of claim 5, wherein: rectangular supporting frames (104) are arranged between the outer L-shaped light steel keels (102) and the inner L-shaped light steel keels (103) at equal intervals, three rectangular supporting frames (104) are arranged, and inner pipes (105) are arranged on the inner sides of the inner L-shaped light steel keels (103).

7. The thick lightweight fire resistant weatherable self supporting smoke prevention and removal duct of claim 6, wherein: the inner tube (105) comprises a fireproof FCA plate (1051), a heat insulation layer (1052) is arranged on the inner side of the fireproof FCA plate (1051), a galvanized plate (1053) is arranged on the inner side of the heat insulation layer (1052), heat insulation cotton is used as a material of the heat insulation layer (1052), and aluminum foils are attached to the inner wall of the inner tube (105).