CN111853428A - Building pipeline fire prevention clad structure - Google Patents

Building pipeline fire prevention clad structure Download PDF

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Publication number
CN111853428A
CN111853428A CN202010829627.3A CN202010829627A CN111853428A CN 111853428 A CN111853428 A CN 111853428A CN 202010829627 A CN202010829627 A CN 202010829627A CN 111853428 A CN111853428 A CN 111853428A
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CN
China
Prior art keywords
pipeline
end edge
fire
periphery
building
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010829627.3A
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Chinese (zh)
Inventor
司马昕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Laminit Building Systems Suzhou Co Ltd
Original Assignee
Laminit Building Systems Suzhou Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Laminit Building Systems Suzhou Co Ltd filed Critical Laminit Building Systems Suzhou Co Ltd
Priority to CN202010829627.3A priority Critical patent/CN111853428A/en
Publication of CN111853428A publication Critical patent/CN111853428A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • B32B15/02—Layer formed of wires, e.g. mesh
    • 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
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • 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
    • B32B5/22—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • 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
    • F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
    • 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
    • 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
    • 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
    • B32B2262/103—Metal fibres
    • 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
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/54—Yield strength; Tensile strength
    • 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
    • B32B2307/724—Permeability to gases, adsorption
    • B32B2307/7242—Non-permeable
    • B32B2307/7246—Water vapor barrier
    • 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
    • B32B2419/00—Buildings or parts thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Building Environments (AREA)
  • Thermal Insulation (AREA)

Abstract

A fire-proof coating structure for building pipelines is characterized in that a main body of the coating structure is composed of a plurality of coating units. The cladding unit is formed by a rectangular fireproof composite material sheet which is tightly attached to and wraps the periphery of the pipeline in the axial direction of the pipeline, the rectangular fireproof composite material sheet is composed of a fiber core blanket and an aluminum foil fiber composite veneering material, the rectangular fireproof composite material sheet comprises a first end edge and a second end edge in the circumferential direction of the pipeline, and the second end edge is overlapped on the first end edge and then extends to form a first laminating part. Each coating unit is overlapped with the corresponding end part of the other adjacent coating unit inside and outside the axial end part of the pipeline to form a second laminated part. And the periphery of the second lamination part is bound by a binding belt along the circumferential direction of the pipeline, and/or a plurality of fixing nails are arranged on the periphery of the second lamination part. By adopting the invention, the problems of poor sealing property, heavy additional weight and low adaptability of the existing building pipeline fireproof structure can be effectively solved, and the fixing property is good.

Description

Building pipeline fire prevention clad structure
Technical Field
The invention relates to a passive fire protection system for a building, in particular to a fire protection cladding structure for a building pipeline.
Background
The fire resistance of building materials is an important safety standard for modern buildings. If the building material has unqualified fireproof performance, the fire disaster can cause great loss. Especially, the number of modern high-rise buildings is more and more, and the modern high-rise buildings have the advantages of complex functions, large scale and centralized personnel, so that greater fire safety hidden dangers can be generated.
The building pipeline needs to have certain fireproof function, and especially the fireproof performance of the ventilation pipeline is particularly important. In case of fire, a large amount of toxic gas is generated from various indoor furniture and decoration materials. Ventilation ducts are duct systems for air transport and distribution, which, in large public places, are responsible not only for ventilation but also for the removal of toxic gases. Therefore, the fire-proof performance of the pipeline is also very critical, and if toxic gas cannot be exhausted, casualties can be directly caused, the fire is easy to increase, and greater economic loss is caused.
However, the prior art has certain disadvantages. The existing building pipeline fire prevention generally adopts a hard fire-proof plate outer cladding structure. The heat insulating pipe is usually coated with rock wool as heat insulating layer and fire-proof plate as fire-proof layer is fixed around the rock wool. Firstly, the hard structure is usually formed by directly splicing a plurality of hard fireproof plates, and the splicing position of the plates has a gap, so that the sealing property is poor. Secondly, the density of this PLASTIC LAMINATED is high for this stereoplasm structure for this system is from great, and the transport is difficult, and the high place installation danger coefficient is high. Moreover, the hard structure can be coated with fire-proof pipeline only by matching and using metal keel and screw; the structure is complex, the construction difficulty is large, the construction period is long, and the cost is high. In addition, the fireproof plate and the metal keel are made of hard materials, so that the cutting noise is high and the dust pollution is serious; and the standardized construction of a complex and variable pipeline system cannot be carried out, the adaptability is poor, and the shock resistance is poor.
In view of the above, the present invention is to design a fireproof covering structure for a building duct, which can effectively solve the above problems of a fireproof hard structure for a building duct.
Disclosure of Invention
The invention provides a fireproof cladding structure for a building pipeline, and aims to achieve good sealing performance, light weight and high adaptability for the building pipeline.
In order to achieve the purpose, the invention adopts the technical scheme that: the fireproof cladding structure of the building pipeline is innovative in that; the main body of the cladding structure is composed of a plurality of cladding units which are sequentially and linearly arranged along the axial direction of the pipeline. The coating unit is formed by a rectangular fireproof composite material sheet which is wrapped around the pipeline in an axial direction and is tightly attached to the periphery of the pipeline in a coating mode, the rectangular fireproof composite material sheet comprises a first end portion edge and a second end portion edge in the circumferential direction of the pipeline, and the second end portion edge is overlapped on the first end portion edge and then extends to form a first laminating portion. Each coating unit is overlapped with the corresponding end part of the other adjacent coating unit inside and outside the axial end part of the pipeline to form a second laminated part. And the periphery of the second laminated part is bound by a binding tape along the circumferential direction of the pipeline, and/or the periphery of the second laminated part is provided with a plurality of fixing nails which fasten all the layers of the second laminated part, so that the coating structure is positioned on the periphery of the pipeline. The rectangular fireproof composite material sheet is composed of a fiber core blanket and an aluminum foil fiber composite facing material, and the aluminum foil fiber composite facing material is completely packaged outside the fiber core blanket.
The relevant content in the above technical solution is explained as follows:
1. the fiber core blanket is an inorganic fiber blanket with silicate as a main component and has a heat insulation function. The 'aluminum foil fiber composite facing material' packaged on the surface of the fiber core blanket is a composite material of an aluminum foil and glass fibers, the aluminum foil layer is located on the outer side of the glass fiber layer, and the 'aluminum foil fiber composite facing material' can increase the tensile tearing strength of a coiled material, block moisture and prevent fibers from leaking.
2. In this aspect, preferably, the sheet of fire-resistant composite material has a thickness of less than or equal to 50 millimeters and a density in a range from 64 kilograms per cubic meter to 128 kilograms per cubic meter.
3. In this embodiment, the first laminate portion preferably has a width of 75 to 90 mm.
4. In this aspect, the second stacked portion preferably has a width of 75 to 90 mm.
5. In this aspect, preferably, a filament fiber tape is further attached to the first lamination portion, and the filament fiber tape is temporarily fixed by being bridged over the first end edge and the second end edge of the wrapping unit.
6. In this embodiment, it is preferable that the wrapping unit between the adjacent second stacked portions is wrapped with the tie in the circumferential direction of the pipe, and/or the wrapping unit between the adjacent second stacked portions is provided with a plurality of the fixing nails.
7. In this embodiment, the distance between the fixing pins in the circumferential direction of the pipe is preferably less than or equal to 305 mm to ensure the fixing strength.
8. In this embodiment, preferably, the distance between the fixing pins in the axial direction of the pipe is less than or equal to 270 mm, so as to ensure the fixing strength.
Compared with the existing hard fireproof structure special for the building pipeline, the fireproof cladding structure for the building pipeline provided by the invention can effectively solve the problems of poor sealing property, heavy additional weight and low adaptability. The invention has the beneficial effects that:
1. this flexible coiled material cladding structure for fire prevention adopts the stromatolite butt joint mode of first folded layer portion and second folded layer portion, and the leakproofness is good.
2. Compared with the prior art, the flexible coiled material coating structure for fire prevention can realize fixation by combining the reinforcement of the filament fiber adhesive tape, the binding belt and the fixing nail, on one hand, the required mounting tools and accessories have fewer specifications, and the standard property and the universality are strong; on the other hand, simple structure, the construction degree of difficulty is low.
3. The periphery of the second laminated part and/or the space between the adjacent second laminated parts are/is bound by a binding belt along the circumferential direction of the pipeline; a plurality of fixing nails are arranged on the periphery of the second laminated part and/or between the adjacent second laminated parts, and the fixing nails fasten each layer of the second laminated part. The arrangement enables the cladding structure to be effectively fixed on the pipeline.
4. Compared with the prior art, the flexible coiled material coating structure for fire prevention has low requirement on site space and high adaptability, and can be well suitable for installation in narrow space and complex and staggered areas of pipelines.
5. This flexible coiled material clad structure for fire prevention's density is little, and light in weight, weight are one tenth of prior art PLASTIC LAMINATED, and its transportation and transport are light, and the danger coefficient of eminence installation is low.
6. This flexible coiled material clad structure for fire prevention adopts flexible coiled material, has high temperature resistant and thermal-insulated fire prevention function. The fiber core blanket has a heat insulation function, and the aluminum foil fiber composite facing material packaged on the surface of the fiber core blanket can increase the tensile tearing strength of the coiled material, block moisture and prevent fibers from leaking.
Drawings
FIG. 1 is a schematic structural view of a building duct according to the present invention;
FIG. 2 is a schematic view of the construction of the first ply portion of the flexible web unit of the present invention;
FIG. 3 is a schematic structural view of a coil covering structure according to the present invention in a first state during construction;
FIG. 4 is a schematic structural view of another state of the coil covering structure of the present invention during construction;
FIG. 5 is a schematic view of a coil covering structure according to an embodiment of the present invention;
fig. 6 is a schematic view of a coil covering structure in another embodiment of the present invention.
In the above drawings: 1. a cladding structure; 2. a flexible roll unit; 3. a pipeline; 4. a first circumferential end; 5. a second circumferential end; 6. a first lamination portion; 7. a second lamination portion; 8. binding a belt; 9. fixing nails; 10. filament fiber tape.
Detailed Description
The invention is further described with reference to the following figures and examples:
example (b): building pipeline fire prevention clad structure
Referring to fig. 1 to 6, a fire-proof covering structure for a building pipeline, the covering structure is made of a flexible material, a main body of the covering structure 1 is composed of a plurality of covering units 2, and the plurality of covering units 2 are sequentially and linearly arranged along an axial direction of a pipeline 3. The cladding unit 2 is formed by a rectangular fireproof composite material sheet which is tightly attached to and wraps the periphery of the pipeline 3 around the pipeline 3 in the axial direction. The rectangular fireproof composite material sheet is composed of a fiber core blanket and an aluminum foil fiber composite facing material, and the aluminum foil fiber composite facing material is coated outside the fiber core blanket. The fiber core blanket is an inorganic fiber blanket mainly comprising calcium, silicon oxide, magnesium and aluminum.
As shown in fig. 2 to 4, the rectangular fireproof composite material sheet includes a first end edge 4 and a second end edge 5 in the circumferential direction of the duct 3, and the second end edge 5 overlaps the first end edge 4 and extends to form a first laminated part. The first lay-up 6 has a width of 80 mm. The first lamination part 6 is further attached with a filament fiber adhesive tape 10 used as a temporary fixing, and the filament fiber adhesive tape 10 is bridged on the first end edge 4 and the second end edge 5 of the coating unit 2.
As shown in fig. 5 and 6, at an end of each of the coating units 2 in the axial direction of the pipe 3, corresponding ends of another adjacent coating unit 2 are overlapped with each other to form a second lamination portion 7, and the width of the second lamination portion 7 is 80 mm.
As shown in fig. 5 and 6, the second lamination portion 7 is wrapped with a band 8 around the circumference of the pipe 3, the second lamination portion 7 is provided with a plurality of fixing nails 9 around the circumference, and the fixing nails 9 fasten the layers of the second lamination portion 7, so as to position the cladding structure 1 around the circumference of the pipe 3. The bundling of the bands 8 is performed along the circumferential direction of the pipeline 3 on the coating unit 2 between the adjacent second lamination parts 7, and a plurality of fixing nails 9 are arranged on the coating unit 2 between the adjacent second lamination parts 7. The spacing of the fixing pegs 9 in the circumferential direction of the pipe 3 is equal to 305 mm. The spacing of the fixing pegs 9 in the axial direction of the pipe 3 is equal to 270 mm.
Other embodiments and structural variations of the present invention are described below:
1. in the above embodiment, the first lamination part is further attached with a filament fiber tape for temporary fixation. But the width of the overlapping portion in the present invention is not limited thereto. As would be readily understood and accepted by those skilled in the art.
2. In the above embodiments, the fiber core blanket is an inorganic fiber blanket whose main components include calcium, silicon oxide, magnesium and aluminum. The fiber core blanket of the present invention is not so limited. The fiber core blanket may simply be a roll of fiber that is heat resistant, thermally insulating, and flexible, as would be readily understood and accepted by those skilled in the art.
3. In the above embodiment, the second laminated part outer periphery is bundled around the pipe circumference with the band, and the second laminated part outer periphery is provided with the plurality of fixing nails, but the present invention is not limited thereto. The second laminated part is only bundled by a binding tape or only provided with a plurality of fixing nails along the circumference of the pipeline, and the two related technical solutions also fall into the protection scope of the invention, which is easily understood and accepted by the technical personnel in the field.
4. In the above embodiment, the bundling tapes are arranged around the coating unit between the adjacent second stacked portions along the circumferential direction of the pipeline, and a plurality of fixing nails are arranged on the coating unit between the adjacent second stacked portions. The invention is not so limited. The wrapping units between the adjacent second laminated parts can be only bound by the binding tapes along the circumferential direction of the pipeline, a plurality of fixing nails can be arranged, and the reinforcing arrangement can be omitted. As would be readily understood and accepted by those skilled in the art.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (7)

1. The utility model provides a building pipeline fire prevention clad structure which characterized in that: the main body of the cladding structure (1) is composed of a plurality of cladding units (2), and the cladding units (2) are sequentially and linearly arranged along the axial direction of the pipeline (3);
the cladding unit (2) is formed by a rectangular fireproof composite material sheet which is tightly attached to and wraps the periphery of the pipeline (3) around the pipeline (3) in the axial direction, the rectangular fireproof composite material sheet comprises a first end edge (4) and a second end edge (5) in the circumferential direction of the pipeline (3), and the second end edge (5) is overlapped on the first end edge (4) and then extends to form a first laminating part (6);
each coating unit (2) is overlapped with the corresponding end part of the other adjacent coating unit (2) at the axial end part of the pipeline (3) in an inner-outer laminated way to form a second laminated part (7);
the periphery of the second lamination part (7) is bound by a binding belt (8) in the circumferential direction of the pipeline (3), and/or a plurality of fixing nails (9) are arranged on the periphery of the second lamination part (7), and the fixing nails (9) fasten all the layers of the second lamination part (7) so as to position the cladding structure (1) on the periphery of the pipeline (3);
the rectangular fireproof composite material sheet is composed of a fiber core blanket and an aluminum foil fiber composite facing material, and the aluminum foil fiber composite facing material is completely packaged outside the fiber core blanket.
2. The fire-proof covering structure for building pipelines of claim 1, wherein: the width of the first laminated part (6) is 75-90 mm.
3. The fire-proof covering structure for building pipelines of claim 1, wherein: the width of the second lamination part (7) is 75-90 mm.
4. The fire-proof covering structure for building pipelines of claim 1, wherein: the first laminated part (6) is also provided with a filament fiber adhesive tape (10) for temporary fixation; the filament fiber adhesive tape (10) is bridged on the first end edge (4) and the second end edge (5) of the cladding unit (2).
5. The fire-proof covering structure for building pipelines of claim 1, wherein: the wrapping unit (2) between the adjacent second laminated parts (7) is circumferentially wound with the strapping tapes (8) along the pipeline (3), and/or the wrapping unit (2) between the adjacent second laminated parts (7) is provided with a plurality of fixing nails (9).
6. The fire-proof covering structure for building pipelines of claim 1, wherein: the distance between the fixing nails (9) in the circumferential direction of the pipeline (3) is less than or equal to 305 mm.
7. The fire-proof covering structure for building pipelines of claim 1, wherein: the distance between the fixing nails (9) in the axial direction of the pipeline (3) is less than or equal to 270 mm.
CN202010829627.3A 2020-08-18 2020-08-18 Building pipeline fire prevention clad structure Pending CN111853428A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010829627.3A CN111853428A (en) 2020-08-18 2020-08-18 Building pipeline fire prevention clad structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010829627.3A CN111853428A (en) 2020-08-18 2020-08-18 Building pipeline fire prevention clad structure

Publications (1)

Publication Number Publication Date
CN111853428A true CN111853428A (en) 2020-10-30

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CN202010829627.3A Pending CN111853428A (en) 2020-08-18 2020-08-18 Building pipeline fire prevention clad structure

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113669555A (en) * 2021-09-18 2021-11-19 中广核工程有限公司 Fire prevention clad structure of tuber pipe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113669555A (en) * 2021-09-18 2021-11-19 中广核工程有限公司 Fire prevention clad structure of tuber pipe

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