CN218236446U

CN218236446U - Fireproof and heat-insulation composite air pipe

Info

Publication number: CN218236446U
Application number: CN202221908098.7U
Authority: CN
Inventors: 张建兵; 王占群; 陈希
Original assignee: Hubei Zhengrong Cooling And Heating Equipment Engineering Co ltd
Current assignee: Hubei Zhengrong Cooling And Heating Equipment Engineering Co ltd
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2023-01-06
Anticipated expiration: 2032-07-22

Abstract

The utility model discloses a composite air pipe with fireproof and heat insulation functions, which comprises an outer air pipe and a connecting flange, wherein the inner surface of the outer air pipe is fixedly connected with a honeycomb aluminum plate, and the inner surface of the honeycomb aluminum plate is fixedly connected with a cross reinforcing rib; the inner surface of the cross reinforcing rib is fixedly connected with a heat-insulating layer, the inner surface of the heat-insulating layer is fixedly connected with a glass magnesium fireproof plate, and the inner surface of the glass magnesium fireproof plate is fixedly connected with an inner air pipe. This compound tuber pipe with fire prevention is thermal-insulated, through honeycomb aluminum plate, the cross strengthening rib, the heat preservation, the setting of glass magnesium PLASTIC LAMINATED, the honeycomb aluminum plate inner core is aluminium honeycomb core, can bear the external pressure of high strength, realize the first layer and support, utilize the cross bearing structure of cross strengthening rib, provide the secondary and support, strengthen the impact resistance of this compound tuber pipe, at the internally surface mounting heat preservation of cross strengthening rib, play the thermal-insulated effect of insulating fire prevention, at the internally surface mounting glass magnesium PLASTIC LAMINATED of heat preservation, improve the thermal-insulated effect of fire prevention of this compound tuber pipe.

Description

Fireproof and heat-insulation composite air pipe

Technical Field

The utility model relates to a compound tuber pipe technical field, in particular to have fire prevention compound tuber pipe that insulates against heat.

Background

The air pipe is a pipeline system for conveying and distributing air, and is composed of a composite air pipe and an inorganic air pipe, wherein the air pipe can be divided into a circular air pipe, a rectangular air pipe, a flat circular air pipe and the like according to the cross section shape, the composite air pipe is represented by a rubber-plastic composite air pipe and is made of a rubber-plastic composite heat-insulating material, and the traditional air pipe, an air valve, an air port, a static pressure box and a heat-insulating material can be comprehensively replaced in an air-conditioning air outlet system.

Through the search discovery, disclosed a fine compound tuber pipe of glass in the utility model patent of grant publication No. CN203115329U, be tetragonal square body including the terminal surface, the body is enclosed by four fine compound tuber pipe boards of glass, fine compound tuber pipe board of glass constitute by skin, intermediate level and inlayer, the intermediate level be fine layer of glass, skin and inlayer compound by colloid and non-woven fabrics into the non-woven fabrics layer, the outer one end of fine compound tuber pipe board of glass is equipped with the buckle, the outer other end be equipped with buckle complex draw-in groove. But this compound tuber pipe body only has glass fiber board and non-woven fabrics, and glass fiber board nature is fragile, and impact resistance is poor, and this tuber pipe structure bearing capacity is weak when meeting with emergency such as conflagration, collapses to body inside easily in high temperature environment to the inner and outer layer uses the non-woven fabrics not only accumulates the dust easily, and is more easily burnt, and the fire prevention effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a compound tuber pipe that insulates against heat has the fire, can effectively solve the problem in the background art.

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

a fireproof and heat-insulating composite air pipe comprises an outer air pipe and a connecting flange, wherein a honeycomb aluminum plate is fixedly connected to the inner surface of the outer air pipe, and a cross reinforcing rib is fixedly connected to the inner surface of the honeycomb aluminum plate; the honeycomb aluminum plate heat preservation structure is characterized in that the number of the cross reinforcing ribs is four, the four cross reinforcing ribs are evenly distributed on the inner surfaces of the honeycomb aluminum plate in four directions, the inner surface of each cross reinforcing rib is fixedly connected with a heat preservation layer, the inner surface of each heat preservation layer is fixedly connected with a glass magnesium fireproof plate, and the inner surface of each glass magnesium fireproof plate is fixedly connected with an inner air pipe.

In order to make and seal outer tuber pipe and interior tuber pipe and intermediate layer, be convenient for interconnect between the compound tuber pipe, as the utility model relates to a fixed slot has been seted up to flange's side surface, fixed slot's size and outer tuber pipe and interior tuber pipe and intermediate layer's thickness size looks adaptation, flange passes through fixed slot joint both ends about this compound tuber pipe, fixed slot's internal surface and the surface of outer tuber pipe, the internal surface of interior tuber pipe are the joint state.

In order to make to reach the increase gas tightness, prevent to leak out and the inseparable purpose of joint, conduct the utility model relates to a have the thermal-insulated compound tuber pipe of fire prevention, fixed slot's internal surface fixed connection has elastic sealing strip.

In order to make the anticorrosive purpose of outer tuber pipe surface of reaching, as the utility model relates to a have fire prevention thermal-insulated compound tuber pipe, the material of outer tuber pipe is the aluminized zinc steel sheet.

In order to make and reach this compound tuber pipe edge of protection, make the difficult purpose that sinks of tuber pipe, conduct the utility model relates to a compound tuber pipe that insulates against heat has the fire prevention, the edge of outer tuber pipe passes through screw fixedly connected with angle steel, the quantity of angle steel is four, four the angle steel wraps up respectively on four edges of outer tuber pipe.

In order to make the difficult dust that piles up of tuber pipe inner wall, strengthen its automatically cleaning ability, conduct the utility model relates to a compound tuber pipe that insulates against heat has the fire prevention, the internal surface fixed connection of interior tuber pipe has the waterproof oil reservoir of dredging, the material of waterproof oil reservoir of dredging is the fluorocarbon coating.

In order to make reach the thermal-insulated purpose of fire prevention smoke protection, conduct the utility model relates to a have the thermal-insulated compound tuber pipe of fire prevention, the material of heat preservation is the phenolic foam board.

In order to increase the terminal surface gas tightness when two sections compound tuber pipes are connected, prevent that the junction from leaking out, as the utility model relates to a have the thermal-insulated compound tuber pipe of fire prevention, flange's lateral surface fixedly connected with butyl rubber board.

In order to make to be convenient for through flange with two sections compound tuber pipe threaded connection's purpose, conduct the utility model relates to a have the thermal-insulated compound tuber pipe of fire prevention, flange has seted up a plurality of spiral hole in the edge all around.

In order to be convenient for the purpose of this compound tuber pipe of migration during the installation, as the utility model relates to a compound tuber pipe of thermal-insulated has the fire prevention, the upper surface bilateral symmetry fixedly connected with lug of outer tuber pipe, the protective sheath has been cup jointed to the surface of lug.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses in, through outer tuber pipe, honeycomb aluminum plate, the cross strengthening rib, the heat preservation, the glass magnesium PLASTIC LAMINATED, the setting of interior tuber pipe, honeycomb aluminum plate is installed at the internal surface welding of outer tuber pipe, honeycomb aluminum plate uses high strength alloy aluminum plate as the face, the inner core is the aluminium honeycomb core, can bear the external pressure of high strength, non-deformable, realize outside first floor support for this compound tuber pipe, at honeycomb aluminum plate's interior surface mounting cross strengthening rib, utilize this cross bearing structure, give the inside secondary support that provides of compound tuber pipe, strengthen the shock resistance of this compound tuber pipe, at the interior surface mounting heat preservation of cross strengthening rib, not only insulating fire prevention, can also prevent that the intraductal heat of compound tuber pipe or cold air from giving off, play thermal-insulated effect, at the interior surface mounting glass magnesium PLASTIC LAMINATED on heat preservation, the glass magnesium PLASTIC LAMINATED has high temperature resistant, it is fire-retardant, the sound absorption, the shockproof characteristic, improve the thermal-insulated effect of the fire prevention of this compound tuber pipe.

2. The utility model discloses in, through the setting of angle steel, use the screw to install the angle steel on four edges of outer tuber pipe respectively, the angle steel has certain mechanical strength, impact resistance is strong, difficult rupture, it is difficult for collapsing from the centre to protect this compound tuber pipe under dangerous circumstances such as conflagration earthquake, through the setting of waterproof hydrophobic layer, interior surface mounting waterproof hydrophobic layer including the tuber pipe, waterproof hydrophobic layer adopts fluorocarbon coating to make interior tuber pipe internal surface smooth, fluorocarbon coating has fabulous hydrophobicity and repellent oil, coefficient of friction is minimum, can not glue the dirt scale deposit, antifouling nature is good, improve the automatically cleaning ability of tuber pipe, setting through the butyl rubber board, all install the butyl rubber board at the flange lateral surface of both sides, the butyl rubber board receives the extrusion when two sections compound tuber pipes are connected, closely laminate, butyl rubber gas tightness and water proofness are fabulous, can increase the terminal surface gas tightness, prevent that the junction from leaking, through the lug, the setting of protective sheath, when installing compound tuber pipe, often need lift its lifting and transporting to eminence, pass the lug of lifting rope, make compound tuber pipe lift up, make, the smooth lug of hanging, easy operation, reduce the manpower and move the lug.

Drawings

Fig. 1 is a schematic front view of embodiment 1 of the present invention;

fig. 2 is a schematic side sectional view of embodiment 1 of the present invention;

fig. 3 is a schematic structural view of a fixed slot in embodiment 1 of the present invention;

fig. 4 is a schematic structural view of a connection state of the connection flange according to embodiment 1 of the present invention;

fig. 5 is a schematic view of the lug structure of embodiment 2 of the present invention.

In the figure: 1. an outer air duct; 2. a connecting flange; 3. a honeycomb aluminum plate; 4. a cross reinforcing rib; 5. a heat-insulating layer; 6. a glass magnesium fireproof plate; 7. an inner air duct; 8. fixing the clamping groove; 9. an elastic sealing strip; 10. angle steel; 11. water and oil repellent layer; 12. a butyl rubber sheet; 13. a helical bore; 14. lifting lugs; 15. and (6) a protective sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

As shown in fig. 1-4, a composite air duct with fire prevention and heat insulation comprises an outer air duct 1 and a connecting flange 2, wherein the inner surface of the outer air duct 1 is fixedly connected with a honeycomb aluminum plate 3, and the inner surface of the honeycomb aluminum plate 3 is fixedly connected with a cross reinforcing rib 4;

in this embodiment, the number of the cross reinforcing ribs 4 is four, the four cross reinforcing ribs 4 are evenly distributed on the inner surfaces of the honeycomb aluminum plate 3 in four directions, the inner surface of each cross reinforcing rib 4 is fixedly connected with the heat preservation layer 5, the inner surface of each heat preservation layer 5 is fixedly connected with the glass magnesium fireproof plate 6, and the inner surface of each glass magnesium fireproof plate 6 is fixedly connected with the inner air pipe 7.

During the specific use, honeycomb aluminum plate 3 is installed in the internal surface welding of outer tuber pipe 1, honeycomb aluminum plate 3 uses high strength alloy aluminum plate as the face, the inner core is the aluminium honeycomb core, can bear the external pressure of high strength, non-deformable, realize outside first floor support for this compound tuber pipe, internal surface mounting cross strengthening rib 4 at honeycomb aluminum plate 3, utilize this cross bearing structure, give the inside secondary support that provides of compound tuber pipe, strengthen this compound tuber pipe's shock resistance, internal surface mounting heat preservation 5 at cross strengthening rib 4, not only insulating fire prevention, can also prevent that the intraductal heat of compound tuber pipe or cold air from giving off, play thermal-insulated effect, internal surface mounting magnesium PLASTIC LAMINATED 6 at heat preservation 5, glass magnesium PLASTIC LAMINATED 6 has high temperature resistant, it is fire-retardant, the sound absorption, jar-proof characteristic, improve the thermal-insulated effect of the fire prevention of this compound tuber pipe.

In this embodiment, fixing slot 8 has been seted up to flange 2's side surface, fixing slot 8's size and outer tuber pipe 1 and interior tuber pipe 7 and intermediate layer's thickness size looks adaptation, and flange 2 is at both ends about this compound tuber pipe through 8 joints of fixing slot, and fixing slot 8's internal surface and the surface of outer tuber pipe 1, the internal surface of interior tuber pipe 7 are the joint state.

During the specific use, with flange 2 through the one end of this compound tuber pipe of fixed slot 8 chucking installation to seal outer tuber pipe 1 completely with interior tuber pipe 7 and the exposed terminal surface of intermediate layer, prevent that inside material from damaging, and be convenient for the connection and the dismantlement between the compound tuber pipe of multistage.

In this embodiment, an elastic sealing strip 9 is fixedly connected to the inner surface of the fixing slot 8.

When specifically using, when with fixed slot 8 and compound tuber pipe joint, elastic sealing strip 9 receives the extrusion, and the joint is accomplished the back, abundant outer tuber pipe 1 with compound tuber pipe and the contact of interior tuber pipe 7 for the joint is more firm, and increases the gas tightness, is difficult for leaking out.

In this embodiment, the material of the outer duct 1 is an aluminum-zinc-plated steel plate.

When the composite air duct is used specifically, the outer air duct 1 is made of aluminum-zinc-plated steel plates which are high in corrosion resistance and heat resistance and have high illumination reflection performance, so that the composite air duct is not prone to corrosion and is not prone to external deformation at high temperature.

In this embodiment, the edge of the outer air duct 1 is fixedly connected with four angle steels 10 through screws, the number of the angle steels 10 is four, and the four angle steels 10 are respectively wrapped on the four edges of the outer air duct 1.

When the composite air pipe is used specifically, the four edges of the outer air pipe 1 are respectively provided with the angle steel 10 through screws, the angle steel 10 has certain mechanical strength and strong impact resistance, is not easy to break, and protects the composite air pipe from collapsing from the middle under the dangerous conditions such as fire and earthquake.

In this embodiment, the inner surface of the inner air duct 7 is fixedly connected with a waterproof oil-repellent layer 11, and the waterproof oil-repellent layer 11 is made of fluorocarbon coating.

When the self-cleaning oil-repellent device is used specifically, the waterproof oil-repellent layer 11 is arranged on the inner surface of the inner air pipe 7, the inner surface of the inner air pipe 7 is smooth due to the adoption of the waterproof oil-repellent layer 11 through the fluorocarbon coating, the fluorocarbon coating has excellent hydrophobicity, is oil-repellent, has extremely low friction coefficient, can not be adhered with dust and scale, is good in antifouling property, and improves the self-cleaning capability of the air pipe.

In this embodiment, the insulating layer 5 is made of phenolic foam.

When the thermal insulation layer is used specifically, the thermal insulation layer 5 is made of phenolic foam, the phenolic foam is high in closed pore rate and low in heat conductivity coefficient, the thermal insulation performance is good, and smoke dust can be prevented from entering the air pipe.

In this embodiment, a butyl rubber plate 12 is fixedly connected to the outer side surface of the connecting flange 2.

During the specific use, all install butyl rubber board 12 at the flange 2 lateral surface of both sides, butyl rubber board 12 receives the extrusion when two sections compound tuber pipes are connected, closely laminates, and butyl rubber gas tightness and water proofness are fabulous, can increase the terminal surface gas tightness, prevent that the junction from leaking out.

In this embodiment, the connecting flange 2 is provided with a plurality of spiral holes 13 at the peripheral edge thereof.

When the composite air pipe is used specifically, when the two sections of composite air pipes are connected, the connecting flanges 2 at the two ends are installed through the screw holes 13 by screws, the installation steps are simple, and the operation is convenient.

Working principle; honeycomb aluminum plate 3 is installed in the internal surface welding of outer tuber pipe 1, honeycomb aluminum plate 3 uses high strength alloy aluminum plate as the face, the inner core is the aluminium honeycomb core, can bear the external pressure of high strength, non-deformable, realize outside first floor support for this compound tuber pipe, internal surface mounting cross strengthening rib 4 at honeycomb aluminum plate 3, utilize this cross bearing structure, give the inside secondary support that provides of compound tuber pipe, strengthen this compound tuber pipe's shock resistance, internal surface mounting heat preservation 5 at cross strengthening rib 4, phenolic foam is used to the material of heat preservation 5, phenolic foam closed cell rate is high, the coefficient of heat conductivity is low, not only heat preservation heat-proof quality is good can prevent still that the smoke and dust from getting into the tuber pipe, internal surface mounting glass magnesium PLASTIC LAMINATED 6 at heat preservation 5, glass magnesium PLASTIC LAMINATED 6 has high temperature resistant, fire-retardant, the sound absorption, shockproof characteristic, improve the thermal-insulated effect of the fire prevention of this compound tuber pipe.

Example 2

As shown in fig. 5, the distinguishing features of this embodiment that distinguish embodiment 1 are: the upper surface bilateral symmetry fixedly connected with lug 14 of outer tuber pipe 1, the surface of lug 14 cup joints protective sheath 15.

During specific use, when installing compound tuber pipe, often need to lift it and transport to the eminence, pass both sides lug 14 with the lifting rope for compound tuber pipe is steadily lifted, and easy operation reduces the manpower and transports the cost, and protective sheath 15 protection lug 14 surface avoids wearing and tearing.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a compound tuber pipe with fire prevention is thermal-insulated, includes outer tuber pipe (1) and flange (2), its characterized in that: the inner surface of the outer air pipe (1) is fixedly connected with a honeycomb aluminum plate (3), and the inner surface of the honeycomb aluminum plate (3) is fixedly connected with a cross reinforcing rib (4);

the quantity of cross strengthening rib (4) is four, four cross strengthening rib (4) evenly distributed is at the internal surface of four directions of honeycomb aluminum plate (3), the internal surface fixed connection of cross strengthening rib (4) has heat preservation (5), the internal surface fixed connection of heat preservation (5) has glass magnesium PLASTIC LAMINATED (6), tuber pipe (7) in the internal surface fixed connection of glass magnesium PLASTIC LAMINATED (6).

2. The composite air duct with fire protection and heat insulation functions as claimed in claim 1, wherein: fixing clamping grooves (8) are formed in the side surfaces of the connecting flanges (2), the sizes of the fixing clamping grooves (8) are matched with the thickness sizes of the outer air pipe (1), the inner air pipe (7) and the middle interlayer of the outer air pipe and the inner air pipe, the connecting flanges (2) are connected to the left end and the right end of the composite air pipe in a clamping mode through the fixing clamping grooves (8), and the inner surfaces of the fixing clamping grooves (8) are connected with the outer surface of the outer air pipe (1) and the inner surface of the inner air pipe (7) in a clamping mode.

3. The composite air duct with fire protection and heat insulation functions as claimed in claim 2, wherein: and an elastic sealing strip (9) is fixedly connected to the inner surface of the fixed clamping groove (8).

4. The composite air duct with fire protection and heat insulation functions as claimed in claim 1, wherein: the outer air pipe (1) is made of an aluminum-zinc plated steel plate.

5. The composite air duct with fire protection and heat insulation functions as claimed in claim 1, wherein: the edge of outer tuber pipe (1) passes through screw fixedly connected with angle steel (10), the quantity of angle steel (10) is four, four angle steel (10) are wrapped up respectively on four edges of outer tuber pipe (1).

6. The composite air duct with fire prevention and heat insulation functions as claimed in claim 1, wherein: the inner surface of the inner air pipe (7) is fixedly connected with a waterproof oil-dredging layer (11), and the waterproof oil-dredging layer (11) is made of a fluorocarbon coating.

7. The composite air duct with fire protection and heat insulation functions as claimed in claim 1, wherein: the heat-insulating layer (5) is made of phenolic foam.

8. The composite air duct with fire protection and heat insulation functions as claimed in claim 1, wherein: the outer side surface of the connecting flange (2) is fixedly connected with a butyl rubber plate (12).

9. The composite air duct with fire protection and heat insulation functions as claimed in claim 1, wherein: and a plurality of spiral holes (13) are formed in the edges of the periphery of the connecting flange (2).

10. The composite air duct with fire protection and heat insulation functions as claimed in claim 1, wherein: the upper surface bilateral symmetry fixedly connected with lug (14) of outer tuber pipe (1), protective sheath (15) have been cup jointed to the surface of lug (14).