CN111425872A - Fire-fighting smoke exhaust pipeline - Google Patents
Fire-fighting smoke exhaust pipeline Download PDFInfo
- Publication number
- CN111425872A CN111425872A CN202010393931.8A CN202010393931A CN111425872A CN 111425872 A CN111425872 A CN 111425872A CN 202010393931 A CN202010393931 A CN 202010393931A CN 111425872 A CN111425872 A CN 111425872A
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- CN
- China
- Prior art keywords
- pipeline
- fixedly connected
- smoke exhaust
- main body
- flange
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J11/00—Devices for conducting smoke or fumes, e.g. flues
- F23J11/02—Devices for conducting smoke or fumes, e.g. flues for conducting smoke or fumes originating from various locations to the outside, e.g. in locomotive sheds, in garages
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J13/00—Fittings for chimneys or flues
- F23J13/02—Linings; Jackets; Casings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J13/00—Fittings for chimneys or flues
- F23J13/04—Joints; Connections
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Insulation (AREA)
Abstract
The invention discloses a fire-fighting smoke exhaust pipeline which comprises a pipeline main body, a first flange, a second flange, a pipeline windproof valve and a harness cord screw, wherein the first flange is fixedly connected to the outer edges of two ends of the pipeline main body respectively, one of the first flanges is fixedly connected with the second flange through a screw, the second flange is fixedly connected with the pipeline windproof valve, the harness cord screw is fixedly connected to the middle part of the pipeline main body in a penetrating manner from top to bottom, the pipeline main body comprises an outer pipeline, a heat-insulating layer and an inner pipeline, the inner side of the outer pipeline is fixedly connected with the heat-insulating layer, and the inner side of the heat-insulating layer is fixedly connected. The smoke exhaust pipeline is scientific and reasonable in structure, good in fireproof effect and low in manufacturing cost, and is suitable for popularization and use, and the smoke exhaust pipeline is manufactured by adopting the pipeline main body with the multilayer structure.
Description
Technical Field
The invention relates to the technical field of urban rail transit fire-fighting equipment, in particular to a fire-fighting smoke exhaust pipeline.
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.
Disclosure of Invention
The invention aims to provide a fire-fighting smoke exhaust pipeline, which solves the problems that the existing smoke exhaust device mainly comprises a smoke exhaust fire valve, a galvanized iron pipeline and a smoke exhaust hood, when flame burns to the smoke exhaust pipeline through the smoke exhaust hood, the fire extends outwards along the smoke exhaust pipeline to collapse the pipeline, the significance of the smoke exhaust pipeline is lost, and more serious fire accidents are caused.
In order to solve the technical problems, the invention provides the 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 invention has the beneficial effects that: 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, therefore, the smoke exhaust pipeline can smoothly realize the smoke exhaust function, meanwhile, the material price is low, the production cost is reduced, and the smoke exhaust pipeline has the advantages of scientific and reasonable structure, good fireproof effect and low manufacturing cost, and is suitable for popularization and use.
Drawings
FIG. 1 is a schematic view of a fire-fighting smoke exhaust duct according to 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 according to the present invention;
FIG. 3 is a partial cross-sectional view of a main section of a fire protection and smoke exhaust duct of the present invention.
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 apparent, the present invention is described in further 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", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to 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 principle and the advantages of the invention are as follows: 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, the smoke exhaust pipe has the advantages of good insulation property, strong heat resistance, good corrosion resistance, low heat conductivity coefficient, light weight and the like, so that the application between the pipe wall of the inner pipe 103 and the pipe wall of the outer pipe 101 is favorable for improving the fire-resistant integrity and the fire-resistant heat-insulating property of the smoke exhaust pipe main body 1, the damage to the structure of the pipe main body 1 after high-temperature smoke enters the smoke exhaust pipe main body 1 is effectively prevented, the possibility of collapse of the pipe main body 1 is reduced, the smooth smoke exhaust and the internal temperature protection are favorably realized, the smoke exhaust function of the pipe main body 1 can be ensured, in addition, the production cost is favorably reduced because the superfine centrifugal glass fiber cotton plate material is cheap, the smoke exhaust pipe is scientific and reasonable in structure, the fire prevention.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (5)
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 smoke exhaust duct according to claim 1, wherein said duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010393931.8A CN111425872A (en) | 2020-05-11 | 2020-05-11 | Fire-fighting smoke exhaust pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010393931.8A CN111425872A (en) | 2020-05-11 | 2020-05-11 | Fire-fighting smoke exhaust pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111425872A true CN111425872A (en) | 2020-07-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010393931.8A Pending CN111425872A (en) | 2020-05-11 | 2020-05-11 | Fire-fighting smoke exhaust pipeline |
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| Country | Link |
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| CN (1) | CN111425872A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727007A (en) * | 2020-12-29 | 2021-04-30 | 河南安筑装配式防排烟风管有限公司 | Fire prevention tuber pipe is with floating pearl fire-resistant heat insulating board module |
-
2020
- 2020-05-11 CN CN202010393931.8A patent/CN111425872A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727007A (en) * | 2020-12-29 | 2021-04-30 | 河南安筑装配式防排烟风管有限公司 | Fire prevention tuber pipe is with floating pearl fire-resistant heat insulating board module |
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