CN212227073U

CN212227073U - Fire-fighting smoke exhaust pipeline

Info

Publication number: CN212227073U
Application number: CN202020766795.8U
Authority: CN
Inventors: 范开峰; 李美菊
Original assignee: Guangdong Meilesi Energy Saving Technology Co ltd
Current assignee: Guangdong Meilesi Energy Saving Technology Co ltd
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2020-12-25
Anticipated expiration: 2030-05-11

Abstract

The utility model discloses a fire control exhaust pipe, including pipeline main part, flange one, flange two, pipeline windproof valve and harness cord screw rod, the both ends of pipeline main part are followed respectively fixedly connected with flange one, one of them on the flange one through screw fixedly connected with flange two, fixedly connected with pipeline windproof valve on the flange two, run through fixedly connected with harness cord screw rod from top to bottom in the middle part of the pipeline main part, the pipeline main part includes outer pipeline, heat preservation and interior pipeline, the inboard fixedly connected with heat preservation of outer pipeline, the inboard fixedly connected with interior pipeline of heat preservation. The utility model has the advantages of being scientific and reasonable in structure, adopt multilayer structure's pipeline main part to make exhaust pipe, the fire prevention effect is good, and the cost of manufacture is low, is fit for using widely.

Description

Fire-fighting smoke exhaust pipeline

Technical Field

The utility model relates to a technical field of urban rail transit fire-fighting equipment specifically is to relate to a fire control smoke exhaust pipe.

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. At present, a smoke exhaust device mainly comprises a smoke exhaust fire valve, a galvanized iron pipe and a smoke exhaust hood, when flame burns to the smoke exhaust pipe through the smoke exhaust hood, the fire can spread outwards along the smoke exhaust pipe to cause collapse of the pipe, so that the meaning of the smoke exhaust pipe is lost, more important fire accidents are caused, and therefore the smoke exhaust pipe for fire protection is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a fire control smoke exhaust pipe is provided, solved present fume extractor and mainly constitute by fire damper, galvanized iron pipeline and enclosure of discharging fume, when flame burns the exhaust pipe through the enclosure, the intensity of a fire can be followed the exhaust pipe and is stretched outward, leads to collapsing of pipeline to lose the meaning of exhaust pipe, cause the problem of more important fire incident.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a fire control discharge flue, includes pipeline main part, flange one, flange two, pipeline prevent wind valve and harness cord screw rod, the both ends of pipeline main part are outer along last fixedly connected with flange one respectively, one of them flange one is gone up through screw fixedly connected with flange two, fixedly connected with pipeline prevents wind valve on the flange two, run through fixedly connected with harness cord screw rod from top to bottom in the middle part of the pipeline main part, the pipeline main part includes outer pipeline, heat preservation and interior pipeline, the inboard fixedly connected with heat preservation of outer pipeline, the inboard fixedly connected with interior pipeline of heat preservation.

On the basis of the scheme, the outer pipeline is made of galvanized steel sheets, the heat insulation layer is made of superfine centrifugal glass fiber cotton plates, the inner pipeline is made of galvanized steel sheets, and the outer pipeline, the heat insulation layer and the inner pipeline are bonded through high-temperature-resistant glass water adhesives respectively.

On the basis of the scheme, the upper end and the lower end of the harness cord screw rod penetrate through the pipeline body and are exposed outside the pipeline body, the two ends of the harness cord screw rod are located on the outer side of the outer pipeline and the inner side of the inner pipeline and are respectively connected with a locking nut through threads, and gaskets are respectively compressed between the inner side of the locking nut and the outer pipeline and the inner pipeline.

On the basis of the scheme, the pipeline main bodies are provided with a plurality of flanges I and bolts, and the flanges I connected with each other are fixedly connected with sealing gaskets made of composite heat-insulating materials.

On the basis of the scheme, a supporting and hanging frame is arranged at the bottom of the pipeline main body, and two ends of the supporting and hanging frame are respectively and fixedly connected with hanging rods on the outer side of the pipeline main body.

Compared with the prior art, the utility model beneficial effect who has is: a fire-fighting smoke exhaust pipeline adopts a new structure, improves the pipeline main body of the fire-fighting smoke exhaust pipeline, sets the pipeline main body into a multilayer structure, the heat-insulating layer is arranged between the outer pipeline and the inner pipeline and is made of superfine centrifugal glass fiber cotton plates, so that the smoke-discharging pipeline has the advantages of good insulativity, strong heat resistance, good corrosion resistance, low heat conductivity coefficient, light weight and the like, can greatly improve the fire-resistant integrity and fire-resistant heat-insulating property of the pipeline main body, effectively prevents high-temperature smoke from entering the inside of the smoke-discharging pipeline, the damage to the structure of the smoke exhaust pipeline is reduced, the possibility of collapse of the smoke exhaust pipeline is reduced, the smooth smoke exhaust and the internal temperature protection are facilitated, thereby guaranteed that exhaust pipe can realize the function of discharging fume smoothly, material low price has reduced manufacturing cost simultaneously, the utility model discloses structure scientific and reasonable, the fireproof effect is good, and the cost of manufacture is low, is fit for using widely.

Drawings

FIG. 1 is a schematic view of a fire-fighting smoke exhaust pipe of the present invention;

FIG. 2 is a schematic view of a partial structure of a joint between a main pipe body and a main pipe body in a fire-fighting smoke exhaust pipe of the present invention;

fig. 3 is a partial cross-sectional view of the main section of the fire-fighting smoke exhaust pipe of the utility model.

The reference numbers in the figures are: 1-a pipeline main body, 101-an outer pipeline, 102-a heat insulation layer, 103-an inner pipeline, 2-a flange I, 3-a flange II, 4-a pipeline wind-proof valve, 5-a harness cord screw, 6-a locking nut, 7-a bolt, 8-a sealing gasket, 9-a hanger and 10-a suspender.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1 to 3, a fire-fighting smoke exhaust pipeline comprises a pipeline main body 1, a first flange 2, a second flange 3, a pipeline windproof valve 4 and a harness screw 5, wherein the outer edges of two ends of the pipeline main body 1 are respectively fixedly connected with the first flange 2, the first flange 2 is convenient for fixedly connecting parts of each part, one of the first flanges 2 is fixedly connected with the second flange 3 through a screw, the second flange 3 is fixedly connected with the pipeline windproof valve 4, the pipeline windproof valve 4 is an existing mature technical product and can play a role in wind and fire prevention, the harness screw 5 is fixedly connected with the middle of the pipeline main body 1 in an up-and-down penetrating manner, the harness screw 5 can support the pipeline main body 1 and can enhance the strength of the pipeline main body 1, the pipeline main body 1 comprises an outer pipeline 101, a heat-insulating layer 102 and an inner pipeline 103, the inner side of the outer pipeline 101 is fixedly connected with the heat-insulating layer 102, the inner side of the heat-insulating layer 102 is fixedly connected with an inner pipeline 103, and a pipeline main body 1 formed by a multilayer structure has good high-temperature-resistant and fireproof effects.

The outer pipeline 101 is made of galvanized steel sheets, the heat insulation layer 102 is made of superfine centrifugal glass fiber cotton plates, the superfine centrifugal glass fiber cotton plates belong to inorganic non-metallic materials with excellent performance and have the advantages of good insulation, strong heat resistance, good corrosion resistance, low heat conductivity coefficient, light weight and the like, so that the inner pipeline 103 and the outer pipeline 101 are applied between the pipe wall of the inner pipeline 103 and the pipe wall of the outer pipeline 101, the improvement of the fire-resistant integrity and the fire-resistant heat insulation performance of the smoke exhaust pipeline main body 1 is facilitated, the inner pipeline 103 is made of the galvanized steel sheets, the outer pipeline 101, the heat insulation layer 102 and the inner pipeline 103 are bonded through high-temperature-resistant glass water adhesives, and the high-temperature-resistant glass water adhesives can resist high temperature.

The upper end and the lower end of the harness wire screw 5 penetrate through and are exposed outside the pipeline main body 1 respectively, the two ends of the harness wire screw 5 are located on the outer side of the outer pipeline 101 and the inner side of the inner pipeline 103 and are connected with the locking nuts 6 through threads respectively, the harness wire screw 5 can be fixed on the pipeline main body 1 through the locking nuts 6 and can support the pipeline main body 1, gaskets are respectively compressed between the inner sides of the locking nuts 6 and the outer pipeline 101 and the inner pipeline 103, the gaskets can increase the contact area between the locking nuts 6 and the outer pipeline 101 and the inner pipeline 103, and the outer pipeline 101 and the inner pipeline 103 can be prevented from being damaged due to overlarge pressing force.

Pipeline main part 1 is equipped with a plurality ofly, and is a plurality of carry out fixed connection through flange 2 and bolt 7 between the pipeline main part 1, when the distance of discharging fume is longer, can establish ties a plurality of pipeline main parts 1 and use to the sealed pad 8 that fixedly connected with composite insulation material made between interconnect's flange 2, sealed pad 8 can prevent to leak the cigarette when discharging fume.

The bottom of the pipeline main body 1 is provided with a supporting hanger 9, two ends of the supporting hanger 9 are positioned at the outer side of the pipeline main body 1 and are respectively and fixedly connected with a suspender 10, and the whole smoke exhaust pipeline can be fixedly installed on other buildings through the supporting hanger 9 and the suspender 10.

The utility model discloses a principle and advantage: a fire-fighting smoke exhaust pipeline, when in installation, a pipeline main body 1 is fixedly connected on a building through a support hanger 9 and a suspender 10, one end of the pipeline main body 1 is fixedly connected with a wind valve 4 of a pipeline through a flange I2, a flange II 3 and a screw, the flange I2 and the flange II 3 are both in a bridge-cut design, when a plurality of pipeline main bodies 1 need to be installed, a sealing gasket 8 is arranged between the flanges I2 at the ends of the two pipeline main bodies 1, the two flanges I2 are fixedly connected together by bolts 7, the sealing gasket 8 is clamped and fixed by the two flanges I2, so that the integral assembly is completed, a wire screw 5 is used for supporting the pipeline main body 1, the strength of the pipeline main body 1 is enhanced, under the condition that the pipeline main body 1 is wider and longer, a plurality of wire screws 5 can be arranged to enhance the supporting strength, an insulating layer 102 is an ultrafine centrifugal glass fiber cotton plate, the ultrafine centrifugal glass fiber cotton plate belongs to an inorganic nonmetallic material with excellent, have insulating nature good, the heat resistance is strong, corrosion resistance is good and the coefficient of heat conductivity is low, advantages such as light, use between pipeline 103 pipe wall and outer pipeline 101 pipe wall including the event, be favorable to improving the fire-resistant integrality and the fire-resistant heat-proof quality of exhaust pipe main part 1, effectively prevented that the high temperature flue gas from getting into the inside back of exhaust pipe main part 1, to the harm of pipeline main part 1 structure, reduce the possibility that pipeline main part 1 collapses, be favorable to discharging fume smoothly and inside temperature protection, thereby guaranteed that pipeline main part 1 can realize the function of discharging fume smoothly, in addition, because superfine centrifugal glass fiber cotton board material low price, consequently be favorable to reduction in production cost, the utility model discloses structure scientific and reasonable, the fireproof effect is good, and low in manufacturing cost is fit.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a fire control pipeline of discharging fume, includes pipeline main part (1), flange one (2), flange two (3), pipeline blast gate (4) and harness cord screw rod (5), its characterized in that: the pipeline is characterized in that flanges I (2) are fixedly connected to the outer edges of two ends of the pipeline main body (1) respectively, one of the flanges I (2) is fixedly connected with a flange II (3) through a screw, a pipeline windproof valve (4) is fixedly connected to the flange II (3), a harness cord screw (5) fixedly connected to the middle of the pipeline main body (1) penetrates through the middle of the pipeline main body up and down, the pipeline main body (1) comprises an outer pipeline (101), a heat preservation layer (102) and an inner pipeline (103), the heat preservation layer (102) is fixedly connected to the inner side of the outer pipeline (101), and the inner pipeline (103) is fixedly connected to the inner side of the heat.

2. A fire protection and smoke exhaust pipe according to claim 1, wherein said outer pipe (101) is made of galvanized steel sheet, said insulation layer (102) is made of ultra-fine centrifugal glass fiber cotton sheet, said inner pipe (103) is made of galvanized steel sheet, and said outer pipe (101), insulation layer (102) and inner pipe (103) are bonded to each other by high temperature resistant glass cement.

3. A fire protection and smoke exhaust pipe according to claim 1, wherein the upper and lower ends of the wire rod (5) are respectively exposed outside the pipe body (1), and the two ends of the wire rod (5) are located at the outer side of the outer pipe (101) and the inner side of the inner pipe (103) and are respectively connected with a locking nut (6) through threads, and gaskets are respectively compressed between the inner side of the locking nut (6) and the outer pipe (101) and the inner pipe (103).

4. A fire protection and smoke exhaust duct according to claim 1, wherein said duct main body (1) is provided in plurality, a plurality of said duct main bodies (1) are fixedly connected with each other by a first flange (2) and a bolt (7), and a sealing gasket (8) made of composite heat insulating material is fixedly connected between the first flanges (2) connected with each other.

5. A fire protection and smoke exhaust duct according to claim 1, wherein a support hanger (9) is provided at the bottom of said main duct body (1), and a suspension rod (10) is fixedly connected to both ends of said support hanger (9) at the outer side of said main duct body (1).