CN111442155A - Novel fire-fighting smoke exhaust pipeline - Google Patents

Novel fire-fighting smoke exhaust pipeline Download PDF

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Publication number
CN111442155A
CN111442155A CN202010390793.8A CN202010390793A CN111442155A CN 111442155 A CN111442155 A CN 111442155A CN 202010390793 A CN202010390793 A CN 202010390793A CN 111442155 A CN111442155 A CN 111442155A
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China
Prior art keywords
pipeline
heat
fixedly connected
flange
insulating layer
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CN202010390793.8A
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Chinese (zh)
Inventor
范开峰
李美菊
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Guangdong Meilesi Energy Saving Technology Co ltd
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Guangdong Meilesi Energy Saving Technology Co ltd
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Priority to CN202010390793.8A priority Critical patent/CN111442155A/en
Publication of CN111442155A publication Critical patent/CN111442155A/en
Pending legal-status Critical Current

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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
    • F16L59/00—Thermal insulation in general
    • F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
    • F16L59/029—Shape or form of insulating materials, with or without coverings integral with the insulating materials layered
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B1/00—Layered products having a general shape other than plane
    • B32B1/08—Tubular products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/12—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/18—Layered products comprising a layer of metal comprising iron or steel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/065—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
    • F16L3/006—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets for 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
    • F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
    • F16L3/02—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets partly surrounding the pipes, cables or protective tubing
    • 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
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • 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
    • F16L59/14—Arrangements for the insulation of pipes or pipe systems
    • F16L59/145—Arrangements for the insulation of pipes or pipe systems providing fire-resistance
    • 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
    • F16L59/14—Arrangements for the insulation of pipes or pipe systems
    • F16L59/16—Arrangements specially adapted to local requirements at flanges, junctions, valves or the like
    • F16L59/18—Arrangements specially adapted to local requirements at flanges, junctions, valves or the like adapted for joints
    • F16L59/184—Flanged joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/05—5 or more layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/206—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/304—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion

Abstract

The invention discloses a novel 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 rod, wherein the first flange is fixedly connected to the outer edges of two ends of the pipeline main body respectively, the second flange is fixedly connected to one of the first flanges through screws, the pipeline windproof valve is fixedly connected to the second flange, and the harness cord screw rod is fixedly connected to the middle of the pipeline main body in an up-and-down penetrating mode. 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

Novel fire-fighting smoke exhaust pipeline
Technical Field
The invention relates to the technical field of urban rail transit fire-fighting equipment, in particular to a novel 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. Present fume extractor mainly comprises fire damper, galvanized iron pipeline and the 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 outwards spread, leads to collapsing of pipeline to lose the meaning of exhaust pipe, cause more important fire incident, for this reason, we propose a novel fire control exhaust pipe.
Disclosure of Invention
The invention aims to solve the technical problem of providing a novel fire-fighting smoke exhaust pipeline, and 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 can spread outwards along the smoke exhaust pipeline to cause collapse of the pipeline, so that 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 novel fire control smoke exhaust pipeline, 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 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 prevent wind valve on the flange two, fixedly connected with harness cord screw rod runs through fixedly connected with about the pipeline main part middle part.
On the basis of the scheme, the pipeline main body comprises an outer pipeline, a heat-resistant layer, a heat-insulating layer and an inner pipeline, the heat-resistant layer is fixedly connected to the inner side of the outer pipeline, the heat-insulating layer is fixedly connected to the inner side of the heat-resistant layer, the heat-insulating layer is fixedly connected to the inner side of the heat-insulating layer, and the inner pipeline is fixedly connected to the inner side of the.
On the basis of the scheme, the outer pipeline is made of galvanized steel sheets, the heat-resistant layer is made of high-alumina aluminum silicate ceramic fiber paper, the heat-insulating layer is made of superfine centrifugal glass fiber cotton boards, the heat-insulating layer is made of fire-gram fireproof boards, the inner pipeline is made of galvanized steel sheets, and the outer pipeline, the heat-resistant layer, the heat-insulating layer and the inner pipeline are bonded through high-temperature-resistant glass cement.
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 new fire-fighting smoke exhaust pipeline adopts a new structure, the pipeline main body of the fire-fighting smoke exhaust pipeline is improved, the pipeline main body is arranged into a multi-layer structure, a heat-resistant layer, a heat-insulating layer and a heat-insulating layer are arranged between an outer pipeline and an inner pipeline, the heat-resistant layer, the heat-insulating layer and the heat-insulating layer are respectively made of high-alumina aluminum silicate ceramic fiber paper, superfine centrifugal glass fiber cotton boards and fire-proof plates, the materials have the advantages of good insulating property, strong heat resistance, good corrosion resistance, low heat conductivity coefficient, light weight and the like, the fire-resistant integrity and the fire-resistant heat-insulating property of the pipeline main body can be greatly improved, the high-temperature smoke is effectively prevented from damaging the structure of the smoke exhaust pipeline after entering the inside of the smoke exhaust pipeline, the possibility of collapse of the smoke exhaust pipeline is reduced, the smooth smoke exhaust and the internal temperature protection, the fireproof door has the advantages of reducing the production cost, having scientific and reasonable structure, good fireproof effect and low manufacturing cost, and being suitable for popularization and use.
Drawings
FIG. 1 is a schematic view of a novel fire-fighting smoke exhaust pipeline 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 the novel fire and smoke exhaust pipe of the present invention;
FIG. 3 is a partial cross-sectional view of the main section of the novel fire and smoke exhaust pipe of the present invention.
The reference numbers in the figures are: 1-a pipeline body, 101-an outer pipeline, 102-a heat-resistant layer, 103-a heat-insulating layer, 104-a heat-insulating layer, 105-an inner pipeline, 2-a flange I, 3-a flange II, 4-a pipeline windproof valve, 5-a harness cord screw, 6-a locking nut, 7-a bolt, 8-a sealing gasket, 9-a hanger and 10-a hanger rod.
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, it can be known that the novel 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 cord screw 5, wherein the first flange 2 is fixedly connected to the outer edges of the two ends of the pipeline main body 1 respectively, the first flange 2 is convenient for fixedly connecting parts of the pipeline main body, one of the first flange 2 is fixedly connected with the second flange 3 through screws, the second flange 3 is fixedly connected with the pipeline windproof valve 4, the pipeline windproof valve 4 is an existing mature technology product and can play a role in wind and fire prevention, the harness cord screw 5 penetrates through the middle of the pipeline main body 1 from top to bottom, and the harness cord screw 5 can support the pipeline main body 1 and can enhance the strength of the pipeline main body 1.
The pipeline body 1 comprises an outer pipeline 101, a heat-resistant layer 102, a heat-insulating layer 103, a heat-insulating layer 104 and an inner pipeline 105, the heat-resistant layer 102 is fixedly connected to the inner side of the outer pipeline 101, the heat-insulating layer 103 is fixedly connected to the inner side of the heat-resistant layer 102, the heat-insulating layer 104 is fixedly connected to the inner side of the heat-insulating layer 103, the inner pipeline 105 is fixedly connected to the inner side of the heat-insulating layer 104, and the pipeline body 1 formed by a multilayer structure has a good high.
The outer pipeline 101 is made of galvanized steel plates, the heat-resistant layer 102 is made of high-alumina aluminum silicate ceramic fiber paper, the heat-insulating layer 103 is made of superfine centrifugal glass fiber cotton plates, the high-alumina aluminum silicate ceramic fiber paper and the superfine centrifugal glass fiber cotton plates belong to inorganic nonmetal materials with excellent performance, and the high-alumina aluminum silicate ceramic fiber paper and the superfine centrifugal glass fiber cotton plates have the advantages of good insulativity, 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 pipeline 105 and the pipe wall of the outer pipeline 101 is beneficial to improving the fire-resistant integrity and the fire-resistant heat-insulating property of the smoke exhaust pipeline main body 1, the heat-insulating layer 104 is made of fire-proof plates, the fire-proof plates can play a good role in flame retardance, the inner pipeline 105 is made of galvanized steel plates, and the outer pipeline 101, the heat-resistant layer 102, the, the high-temperature-resistant glass cement can resist high temperature and has good bonding effect.
The upper end and the lower end of the harness wire screw 5 penetrate through and are exposed outside the pipeline 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 105 and are connected with the locking nuts 6 through threads respectively, the harness wire screw 5 can be fixed on the pipeline body 1 through the locking nuts 6 and can support the pipeline body 1, gaskets are respectively compressed between the inner sides of the locking nuts 6 and the outer pipeline 101 and the inner pipeline 105, the gaskets can increase the contact area between the locking nuts 6 and the outer pipeline 101 and the inner pipeline 105, and the outer pipeline 101 and the inner pipeline 105 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 novel fire-fighting smoke exhaust pipeline is characterized in that when the fire-fighting smoke exhaust pipeline is installed, a pipeline main body 1 is fixedly connected to a building through a support hanger 9 and a hanger rod 10, one end of the pipeline main body 1 is provided with a first flange 2, a second flange 3 and a screw fixed connection pipeline windproof valve 4, the first flange 2 and the second flange 3 are of a broken bridge type design, when a plurality of pipeline main bodies 1 need to be installed, a sealing gasket 8 is arranged between the first flanges 2 at the ends of the two pipeline main bodies 1, the two first flanges 2 are fixedly connected together through bolts 7, the sealing gasket 8 is clamped and fixed through the first flanges 2, overall assembly is completed, a wire screw 5 is used for supporting the pipeline main bodies 1, the strength of the pipeline main bodies 1 is enhanced, a plurality of wire screws 5 can be arranged under the conditions that the pipeline main bodies 1 are wide and long, a heat-resistant layer 102, a heat-insulating layer 103 and a heat-insulating layer, The high-alumina aluminum silicate ceramic fiber paper and the superfine centrifugal glass fiber cotton board belong to inorganic non-metallic materials with excellent performance, and have the advantages of good insulating property, strong heat resistance, good corrosion resistance, low heat conductivity coefficient, light weight and the like, so the application between the pipe wall of the inner pipeline 105 and the pipe wall of the outer pipeline 101 is beneficial to improving the fire-resistant integrity and the fire-resistant heat-insulating property of the exhaust pipeline main body 1, effectively prevents high-temperature smoke from damaging the structure of the pipeline main body 1 after entering the interior of the exhaust pipeline main body 1, reduces the possibility of collapse of the pipeline main body 1, is beneficial to smooth smoke exhaust and internal temperature protection, thereby ensuring that the pipeline main body 1 can smoothly realize the smoke exhaust function, in addition, the high-alumina aluminum silicate ceramic fiber paper, the centrifugal glass fiber cotton board and the superfine centrifugal glass fiber cotton board are cheap, therefore, the fireproof door is beneficial to reducing the production cost, has a scientific and reasonable structure, a good fireproof effect and low manufacturing cost, and is suitable for popularization and use.
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 (6)

1. The utility model provides a novel fire control smoke exhaust pipeline, 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 the two ends of the pipeline main body (1) are respectively fixedly connected with a flange I (2) and a flange II (3) through screws fixedly connected with the flange I (2), the flange II (3) is fixedly connected with a pipeline windproof valve (4), and the middle part of the pipeline main body (1) is vertically penetrated by a fixedly connected harness cord screw (5).
2. A novel fire protection and smoke exhaust pipe according to claim 1, wherein said pipe body (1) comprises an outer pipe (101), a heat-resistant layer (102), a heat-insulating layer (103), a heat-insulating layer (104) and an inner pipe (105), said heat-resistant layer (102) is fixedly connected to the inner side of said outer pipe (101), said heat-insulating layer (103) is fixedly connected to the inner side of said heat-resistant layer (102), said heat-insulating layer (104) is fixedly connected to the inner side of said heat-insulating layer (103), and said inner pipe (105) is fixedly connected to the inner side of said heat-insulating layer (104).
3. A novel fire protection and smoke exhaust pipe according to claim 2, wherein said outer pipe (101) is made of galvanized steel sheet, said heat resistant layer (102) is made of alumina-alumina silicate ceramic fiber paper, said heat insulating layer (103) is made of ultra-fine centrifugal glass fiber cotton board, said heat insulating layer (104) is made of fire-proof board, said inner pipe (105) is made of galvanized steel sheet, and said outer pipe (101), said heat resistant layer (102), said heat insulating layer (103), said heat insulating layer (104) and said inner pipe (105) are bonded to each other by high temperature resistant glass-water adhesive.
4. A novel fire and smoke exhaust pipe according to claim 1, wherein the upper and lower ends of the wire screw (5) are respectively exposed outside the pipe body (1), and the two ends of the wire screw (5) are located at the outer side of the outer pipe (101) and the inner side of the inner pipe (105) 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 (105).
5. A novel fire protection and smoke exhaust pipeline according to claim 1, wherein said pipeline main body (1) is provided with a plurality of said pipeline main bodies (1) which are fixedly connected through a first flange (2) and a bolt (7), and a sealing gasket (8) made of composite heat insulation material is fixedly connected between the first flanges (2) which are connected with each other.
6. A novel fire smoke exhaust pipeline according to claim 1, wherein a support hanger (9) is arranged at the bottom of the pipeline main body (1), and a suspension rod (10) is fixedly connected to two ends of the support hanger (9) respectively at the outer side of the pipeline main body (1).
CN202010390793.8A 2020-05-11 2020-05-11 Novel fire-fighting smoke exhaust pipeline Pending CN111442155A (en)

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Application Number Priority Date Filing Date Title
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Publications (1)

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CN111442155A true CN111442155A (en) 2020-07-24

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113958744A (en) * 2021-11-08 2022-01-21 上海核工程研究设计院有限公司 Heat-insulation type fireproof valve
CN114963383A (en) * 2022-05-25 2022-08-30 中电环宇（北京）建设工程有限公司 Manufacturing and assembling method of smoke-preventing and exhausting air pipe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113958744A (en) * 2021-11-08 2022-01-21 上海核工程研究设计院有限公司 Heat-insulation type fireproof valve
CN114963383A (en) * 2022-05-25 2022-08-30 中电环宇（北京）建设工程有限公司 Manufacturing and assembling method of smoke-preventing and exhausting air pipe

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