CN218671032U

CN218671032U - Fire-proof structure for air pipe flange

Info

Publication number: CN218671032U
Application number: CN202223100538.9U
Authority: CN
Inventors: 石飞; 穆苏新
Original assignee: Laminit Building Systems Suzhou Co ltd
Current assignee: Laminit Building Systems Suzhou Co ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-03-21
Anticipated expiration: 2032-11-22

Abstract

A fire-proof structure of an air pipe flange is wrapped around the outer part of the air pipe flange; the fireproof structure comprises a plurality of fireproof plates, the fireproof plates are sequentially arranged around the outer portion of the air pipe flange and connected with the air pipe flange through connecting pieces, the joint openings of the inner sides of the fireproof plates are matched with the flanging joints of the air pipe flange, the two adjacent fireproof plates are matched through bosses and groove joints, the groove bottoms of the grooves extend to the flanging outer sides, and the connecting pieces located on the outer sides of the grooves penetrate through the fireproof plates and the bosses and are connected with the air pipe flange. Among this fire resistive construction, through boss and recess joint between two adjacent PLASTIC LAMINATED, rethread glass fiber net check cloth bonds, and through connecting piece fixed connection again at last, both bonding strength can be strengthened, avoid the PLASTIC LAMINATED to absorb water after the inflation alternate segregation, influence the thermal-insulated effect of fire prevention then.

Description

Fire-proof structure for air pipe flange

Technical Field

The utility model relates to an tuber pipe field, concretely relates to tuber pipe flange fire resistive construction.

Background

The air pipes are pipeline systems for air conveying and distribution, and the adjacent two sections of air pipes are connected through air pipe flanges.

The traditional air pipe is generally made of iron sheet, is fire-resistant but not heat-insulating, and in order to meet the requirement of the current standard on the heat-insulating performance of the air pipe, the periphery of the traditional air pipe is wrapped with fire-resistant and heat-insulating materials, the fire-resistant and heat-insulating materials are generally fixed outside the air pipe by adopting a connecting piece, and the joint is lapped by adopting a high-temperature-resistant and non-combustible glass fiber cloth adhesive tape.

And traditional tuber pipe flange is the angle bar preparation, and it is fire-resistant but not thermal-insulated, also need wrap up fire-resistant thermal insulation material, but because the flanging structure of flange, can have following defect:

1. a gap exists between the fire-resistant and heat-insulating materials wrapped outside the adjacent flange flanging, so that the sealing performance of the flange is poor, and the fire-resistant and heat-insulating performance is affected.

2. The fire-resistant heat-insulating material generally has the problem of strong water absorption, and the bonding part of the high-temperature-resistant non-combustible glass fiber cloth adhesive tape is easy to fall off, so that the fire-resistant heat-insulating property is influenced.

Therefore, how to solve the above-mentioned deficiencies of the prior art is a problem to be solved by the present invention.

Disclosure of Invention

The utility model aims at providing a tuber pipe flange fire resistive construction.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

a fire-proof structure of an air pipe flange is wrapped around the outer part of the air pipe flange;

fireproof structure includes a plurality of PLASTIC LAMINATED, and is a plurality of the PLASTIC LAMINATED is followed the outside of tuber pipe flange sets gradually all around, and through the connecting piece with tuber pipe flange joint, the inboard joint mouth of PLASTIC LAMINATED with the flanging joint cooperation of tuber pipe flange, adjacent two through boss and recess joint cooperation between the PLASTIC LAMINATED, the tank bottom of recess extends to the flanging outside is located the recess outside the connecting piece runs through the PLASTIC LAMINATED with the boss, and with tuber pipe flange joint.

Whole fire resistive construction utilizes PLASTIC LAMINATED joint flange flanging, through boss and recess joint between two adjacent PLASTIC LAMINATED, utilizes the connecting piece to fix the PLASTIC LAMINATED on the tuber pipe flange at last, and the connecting piece that is located the recess outside runs through adjacent PLASTIC LAMINATED and fixes on the tuber pipe flange again. Through the arrangement, the fireproof and heat-insulating performance of the fireproof structure is greatly improved, the problem that gaps exist between the fireproof plates wrapped by the flanges easily is solved, and the technical problem that the water-absorbing fireproof plates are separated from each other due to water absorption is also solved.

1. According to a further technical scheme, the longitudinal section of the fireproof plate is arranged to be in an inverted U shape, and an opening formed at the bottom of the fireproof plate is the clamping interface.

2. Further technical scheme, the boss with the recess all sets up to the shape of falling the U, the boss with fire prevention fibre integrated into one piece sets up, PLASTIC LAMINATED and boss adopt the silicate fiberboard, and its material matter is light, and it is effectual to prevent fires thermal-insulated, and the shaping of accessible injection molding. One or more layers of grooves and bosses can be arranged from inside to outside, compared with one or two layers of clamping, the arrangement of more layers can correspondingly increase the connection strength and the sealing performance, but the manufacturing cost is higher, and the clamping operation during installation is relatively complex.

3. Further technical scheme, adjacent two bond through first fire prevention bonding net between the binding face of PLASTIC LAMINATED, strengthen the joint strength between two adjacent PLASTIC LAMINATED, improve sealed effect.

4. According to a further technical scheme, the fireproof plate is bonded with the air pipe flange and/or the air pipe through a second fireproof bonding net, and the purpose of strengthening the connection strength and the sealing performance between the fireproof plate and the air pipe flange is also achieved.

5. According to the technical scheme, the first fireproof bonding net and the second fireproof bonding net respectively comprise glass fiber mesh cloth and fireproof glue adhered to the surface of the glass fiber mesh cloth, the glass fiber mesh cloth has the advantages of corrosion resistance, impact resistance, tensile strength, bending strength, freezing resistance, cracking resistance and the like, the bonding strength of two adjacent fireproof plates can be enhanced, the two adjacent fireproof plates are not easily separated when absorbing water and expanding, the glass fiber mesh cloth comprises alkali-free, medium alkali and alkali-resistant types and can be selectively used according to the environment in an air pipe, the water resistance of the alkali-free glass fiber is superior to that of the medium alkali-free glass fiber, the acid resistance of the medium alkali-free glass fiber is superior to that of the alkali-free glass fiber, and the alkali resistance of the alkali-resistant glass fiber is optimal.

6. According to a further technical scheme, the connecting piece is made of heat-preservation welding nails or self-tapping screws.

7. According to the technical scheme, the side wall of the fireproof plate is provided with obstacle avoidance marks, the obstacle avoidance marks comprise connecting piece position marks or bolt position marks, the connecting piece position marks and bolts on the air pipe flanges are arranged in a staggered mode, the bolt position marks correspond to the bolts on the air pipe flanges one to one, and the bolt position marks and the connecting piece position marks can be marking pen marks, paint coating or groove-shaped structures.

The utility model discloses a theory of operation and advantage as follows:

1. when a plurality of fireproof plates are clamped and wrapped outside the air pipe flange, the two adjacent fireproof plates are clamped through the bosses and the grooves, and step surfaces formed by clamping are convenient for preliminarily splicing and fixing the plurality of fireproof plates so as to perform subsequent fixing operation, the sealing effect between the two fireproof plates can be enhanced, the fireproof plates are not easy to separate from each other after water absorption and expansion, and the fireproof plates are matched with glass fiber mesh cloth for use, so that the bonding area between the adjacent fireproof plates can be increased, the bonding strength is enhanced, the fireproof plates are prevented from separating from each other after water absorption and expansion, and then the fireproof and heat insulation effects are influenced;

2. the clamping joint of two adjacent fireproof plates is matched with a connecting piece for use, the connecting piece penetrates through the bosses on the end faces of one fireproof plate and the other fireproof plate, the two adjacent fireproof plates can be fixed together again, and the connecting strength of the splicing joint of the two adjacent fireproof plates is ensured to a greater extent;

3. the side wall of the fireproof plate is provided with the obstacle avoidance mark, so that the obstacle avoidance can be prompted when the connecting piece is installed, and the influence on the installation efficiency caused by nail collision of the connecting piece and the bolt on the flange is avoided.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment of the present invention;

fig. 2 is a schematic view illustrating installation of a fire prevention plate according to an embodiment of the present invention;

fig. 3 is a schematic view of a splicing structure of two adjacent fireproof plates according to an embodiment of the present invention;

FIG. 4 is a schematic view of a fire protection plate with a connector position mark according to an embodiment of the present invention;

fig. 5 is a schematic view of a fire protection plate with bolt position marks according to an embodiment of the present invention.

In the above drawings: 100. a fire-resistant structure; 101. a fire-proof plate; 102. a connecting member; 103. a boss; 104. a groove; 105. a first fireproof adhesive net; 106. a second fireproof adhesive net; 107. obstacle avoidance marking; 200. an air duct flange; 300. and (7) an air pipe.

Detailed Description

The invention will be further described with reference to the following drawings and examples:

example (b): the present disclosure will be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the disclosure may be shown and described, and which, when modified and varied by the techniques taught herein, can be made by those skilled in the art without departing from the spirit and scope of the disclosure.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. The singular forms "a", "an", "the" and "the", as used herein, also include the plural forms.

The terms "first," "second," and the like, as used herein, do not denote any order or importance, nor do they denote any order or importance, but rather are used to distinguish one element from another element or operation described in such technical terms.

As used herein, the terms "comprising," "including," "having," and the like are open-ended terms that mean including, but not limited to.

As used herein, the term (terms), unless otherwise indicated, shall generally have the ordinary meaning as commonly understood by one of ordinary skill in the art, in this written description and in the claims. Certain words used to describe the disclosure are discussed below or elsewhere in this specification to provide additional guidance to those skilled in the art in describing the disclosure.

Referring to fig. 1-5, a fire-proof structure for a flange of an air duct, wherein the fire-proof structure 100 is wrapped around the outside of the flange 200 of the air duct;

the fireproof structure comprises a plurality of fireproof plates 101, the fireproof plates 101 are made of silicate fiber boards, and the fireproof structure is light in material quality and good in fireproof and heat insulation effects.

A plurality of PLASTIC LAMINATED 101 is followed tuber pipe flange 200 outside sets gradually all around to through connecting piece 102 with tuber pipe flange 200 is connected, PLASTIC LAMINATED 101 longitudinal section sets up to the shape of falling U, and the opening that its bottom formed is the joint mouth, the joint mouth with the cooperation of tuber pipe flange 200's flanging joint.

Adjacent two through boss 103 and recess 104 joint cooperation between the PLASTIC LAMINATED 101, the boss 103 with recess 104 all sets up to the shape of falling the U, the boss 103 with fire prevention fibre integrated into one piece sets up, accessible injection molding.

One or more layers of the grooves 104 and the bosses 103 can be arranged from inside to outside, and in the embodiment, the grooves 104 and the bosses 103 are arranged as one layer, as shown in fig. 2.

The groove bottom of the groove 104 extends to the outer side of the flanging, and the connecting piece 102 positioned on the outer side of the groove 104 penetrates through the fireproof plate 101 and the boss 103 and is connected with the air duct flange 200.

The two adjacent fireproof plates 101 are bonded through a first fireproof bonding net 105, the surface of the boss 103 or the surface of the groove 104 are also bonded with the first fireproof bonding net 105, the connecting strength between the two adjacent fireproof plates 101 is enhanced, and the sealing effect is improved.

The fireproof plate 101 and the air duct flange 200 and/or the air duct 300 are bonded through a second fireproof bonding net 106, that is, the second fireproof bonding net 106 is arranged between the fireproof plate 101 and the air duct flange 200 or between the fireproof plate 101 and the air duct 300, see fig. 2, or between the fireproof plate 101 and the air duct flange 200 and the air duct 300, and also is used for enhancing the connection strength and the sealing performance between the fireproof plate 101 and the air duct flange 200.

First fire prevention bonding net 105 and second fire prevention bonding net 106 all include glass fiber net check cloth and bond in the fire prevention glue on glass fiber net check cloth surface, glass fiber net check cloth possess advantages such as anticorrosive, shock resistance, tensile bending resistance, freeze proof anti-cracking, can strengthen the adhesive strength of two adjacent PLASTIC LAMINATED 101, also difficult separation when absorbing water the inflation between two adjacent PLASTIC LAMINATED 101.

The connecting piece 102 is made of heat-insulating welding nails or self-tapping screws.

The entire fire protection structure can be customized according to the shape of the air duct 300: when the air duct 300 is square, the number of the fire-proof plates 101 can be four, and the fire-proof plates 101 can be spliced into a rectangular frame shape, as shown in fig. 1, wherein the shape of the fire-proof plate 101 is an isosceles trapezoid. When the air duct 300 is circular, the fire-proof plate 101 has a multi-segment arc structure, and can be spliced into a ring shape, which is not shown in the figure.

When the square waterproof structure is installed, the first fireproof bonding net 105 is firstly bonded on the end face of the fireproof plate 101, then the second fireproof bonding net 106 is bonded on the connecting face of the fireproof plate 101 and the air pipe flange 200 and/or the air pipe 300, and particularly can be bonded on the fireproof plate 101, and the first fireproof bonding net 105 and the second fireproof bonding net 106 are both bonded on the fireproof plate 101, so that the operation is convenient;

then, the first fireproof plate 101 bonded with the fireproof bonding net is clamped outside the flange flanging, and preliminary bonding and fixing of the fireproof plate 101 and the air pipe flange 200 and/or the air pipe 300 are realized after the first fireproof plate is clamped in place;

when the second first fireproof plate 101 is installed, the second first fireproof plate 101 is clamped with the flange flanging and is bonded with the air pipe flange 200 and/or the air pipe 300, and is clamped with the first fireproof plate 101 through the groove 104 and the boss 103, so that the two adjacent fireproof plates 101 are clamped;

by analogy, until the four fireproof plates 101 are spliced into a rectangular frame shape;

finally, the heat-insulating welding nail or the self-tapping screw penetrates through the fireproof plate 101 and is connected to the surface of the air duct flange 200, so as to complete the secondary fixing between the fireproof plate 101 and the air duct flange 200, and the following embodiment is exemplified by the installation manner of the heat-insulating welding nail.

In above-mentioned fire resistive construction 100, the step face that the joint formed between two adjacent PLASTIC LAMINATED 101, can make things convenient for a plurality of PLASTIC LAMINATED 101 tentatively to splice fixedly, so as to carry out subsequent fixed operation, also can strengthen the sealed effect between two PLASTIC LAMINATED 101, difficult alternate segregation after the inflation that absorbs water, cooperation glass fiber net check cloth uses, can also increase the bonding area between the adjacent PLASTIC LAMINATED 101, thereby strengthen bonding strength, avoid PLASTIC LAMINATED 101 to absorb water after the inflation alternate segregation.

The joint department of two adjacent PLASTIC LAMINATED 101 cooperates with connecting piece 102 to use, can fix adjacent PLASTIC LAMINATED 101 together once more, and the joint strength of the adjacent PLASTIC LAMINATED 101 concatenation department of assurance to a greater extent has indirectly guaranteed the fire-proof heat insulation of fire resistive construction.

In addition, after the fire-proof plate 101 wraps the air duct flange 200, the position of the protruding mounting bolt head on the air duct flange 200 cannot be determined, in order to avoid that the connecting piece 102 collides with the bolt head to cause the fire-proof plate 101 to be incapable of tightly fitting with the air duct flange 200, a barrier avoiding mark 107 is arranged on the side wall of the fire-proof plate 101, the barrier avoiding mark 107 comprises a connecting piece position mark or a bolt position mark, the connecting piece position mark and bolts on the air duct flange are arranged in a staggered mode, the bolt position mark corresponds to the bolts on the air duct flange one by one, and the bolt position mark and the connecting piece position mark can be marked by a marking pen, painted or coated by a groove-shaped structure.

When the number of the connecting pieces 102 on the frame of the single air duct flange 200 is larger than the number of the bolts, bolt position marks are arranged on the fireproof plate 101, and the connecting pieces 102 are installed by avoiding the bolt position marks, as shown in fig. 5.

When the number of the connectors 102 on the frame of a single air duct flange 200 is less than the number of the bolts, the fireproof plate 101 is provided with a connector position mark, and the connector position mark is aligned when the connectors 102 are installed, as shown in fig. 4.

Through the arrangement of the marks, the connecting piece 102 cannot collide with the bolts when penetrating through the fireproof plate 101, the problem that the nails need to be withdrawn and inserted again after the nails are collided is solved, the installation efficiency is improved, and the fireproof plate 101 is tightly pressed on the outer wall of the air pipe flange 200 through the nail head wafer of the connecting piece 102.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot 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 in the protection scope of the present invention.

Claims

1. The utility model provides an tuber pipe flange fire resistive construction which characterized in that: the fireproof structure is wrapped around the outer part of the air pipe flange;

fireproof construction includes a plurality of PLASTIC LAMINATED (101), and is a plurality of PLASTIC LAMINATED (101) are followed tuber pipe flange outside sets gradually all around to through connecting piece (102) with tuber pipe flange joint, the inboard joint mouth of PLASTIC LAMINATED (101) with the flanging joint cooperation of tuber pipe flange, adjacent two through boss (103) and recess (104) joint cooperation between PLASTIC LAMINATED (101), the tank bottom of recess (104) extends to the flanging outside is located the recess (104) outside connecting piece (102) run through PLASTIC LAMINATED (101) with boss (103), and with tuber pipe flange joint.

2. The fire protection structure for the air duct flange according to claim 1, wherein: the longitudinal section of the fireproof plate (101) is arranged to be in an inverted U shape, and an opening formed at the bottom of the fireproof plate is the clamping interface.

3. The fire protection structure for the air duct flange according to claim 2, wherein: the boss (103) and the groove (104) are both arranged in an inverted U shape, and the boss (103) and the fireproof plate (101) are integrally formed.

4. The fire protection structure for the air duct flange according to claim 3, wherein: the fireproof plate (101) and the boss (103) are made of silicate fiber plates.

5. The fire protection structure for the air duct flange according to claim 1, wherein: the binding surfaces of two adjacent fireproof plates (101) are bonded through a first fireproof bonding net (105).

6. The fire protection structure for the air duct flange according to claim 5, wherein: the fireproof plate (101) is bonded with the air duct flange and/or the air duct through a second fireproof bonding net (106).

7. The fire protection structure for the air duct flange according to claim 6, wherein: the first fireproof bonding net (105) and the second fireproof bonding net (106) both comprise glass fiber mesh cloth and fireproof glue adhered to the surface of the glass fiber mesh cloth.

8. The fire protection structure for the air duct flange according to claim 1, wherein: the connecting piece (102) adopts a heat-preservation welding nail or a self-tapping screw.

9. The fire protection structure for the air duct flange according to claim 1, wherein: the side wall of the fireproof plate (101) is provided with obstacle avoidance marks (107), the obstacle avoidance marks (107) comprise connecting piece position marks or bolt position marks, the connecting piece position marks and bolts on the air pipe flange are arranged in a staggered mode, and the bolt position marks correspond to the bolts on the air pipe flange one to one.