CN214027508U

CN214027508U - Steel fire-resistant fireproof air pipe

Info

Publication number: CN214027508U
Application number: CN202022412537.2U
Authority: CN
Inventors: 徐洪超
Original assignee: Shandong Maikainuo Energy Saving Technology Co ltd
Current assignee: Shandong Maikainuo Energy Saving Technology Co ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-08-24
Anticipated expiration: 2030-10-21

Abstract

The utility model belongs to building smoke protection field of discharging fume, especially a fire-resistant fire prevention tuber pipe of steel, which comprises a pipe body, the body is from outer toward interior outer metal level, micropore foaming material layer, inorganic material layer and interior metal layer of having superposed in proper order, be equipped with the tie coat between interior metal layer and the inorganic material layer, the utility model provides the holistic intensity of high composite air pipe board has good fire prevention fire resistance, has good fire prevention heat-proof quality, and is lighter than the traditional tuber pipe of discharging fume, and the environmental protection is nontoxic.

Description

Steel fire-resistant fireproof air pipe

Technical Field

The utility model relates to a building smoke protection and exhaust technical field especially relates to a fire-resistant fire prevention tuber pipe of steel.

Background

The air pipe of the system smoke prevention and exhaust system is a galvanized iron pipe; in order to meet the fire-resistant requirement of the smoke-proof and smoke-discharging technical standard GB 51251; the existing smoke-proof and smoke-discharging system air pipe is additionally provided with a layer of heat-insulating layer and a fireproof plate on the basis of galvanized iron sheet, but the air pipe is too heavy and complicated in construction, so that the bearing pressure and the cost of a building are greatly increased, and meanwhile, the existing air pipe material can be decomposed to generate a large amount of irritant hydrogen chloride harmful gas during combustion; therefore, the market urgently needs an air pipe which is light, good in strength, long in fire-resistant time and environment-friendly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a steel fire-resistant fireproof air pipe.

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

the utility model provides a fire-resistant fire prevention tuber pipe of steel, includes the body, the body is from outer to interior outer metal level, micropore foaming material layer, inorganic material layer and interior metal level of having superimposed in proper order, be equipped with the tie coat between interior metal level and the inorganic material layer.

Preferably, the bonding layer is a magnesium oxide-magnesium sulfate inorganic bonding layer.

Preferably, the inner metal layer is a color steel plate, a galvanized plate or a stainless steel plate, the outer metal layer is a color steel plate, a galvanized plate or a stainless steel plate, and glass fiber cloth layers are bonded on the surfaces of the outer metal layer and the inner metal layer.

Preferably, the inorganic material layer is one of a gypsum board, a cement foam board, a silicate series board, a glass magnesium board and a magnesium oxysulfide board.

Preferably, the side of the inner metal layer connected with the inorganic material layer is subjected to embossing treatment and cotton-planting treatment.

Preferably, the thickness of the inorganic material layer is 5mm-40mm, the thickness of the microporous foaming material layer is 10mm-50mm, and the thickness of the outer metal layer is 0.15mm-1 mm; the thickness of the inner metal layer is 0.15mm-1 mm.

In the utility model, the steel fire-resistant fireproof air pipe has the advantages that the steel fire-resistant fireproof air pipe plays a role in protecting the pipe body through the outer metal layer and the inner metal layer, the overall strength of the composite air pipe plate is improved, the resistance of air circulation can be reduced, the smoke exhaust air speed is accelerated, the inorganic material layer is close to the inner side of the pipe body, the inorganic material layer has excellent fire-resistant and flame-retardant properties, the fire resistance of the smoke-resistant and exhaust air pipe can be effectively prolonged, and the integrity of the smoke-resistant and exhaust air pipe structure is kept after long-time fire resistance; the microporous foam material layer is close to the outer side of the smoke-exhaust preventing air pipe, and the microporous foam material has good fireproof and heat-insulating properties, so that the microporous foam material layer can effectively isolate heat transfer from the inside to the outside of the smoke-exhaust preventing air pipe while ensuring the fire resistance of the smoke-exhaust preventing air pipe system, and secondary disasters caused by high temperature of the smoke-exhaust preventing air pipe in an unfired area are avoided; the inorganic material layer and the microporous foaming material layer are both light foaming materials, so that the smoke exhaust air pipe is lighter than a traditional smoke exhaust air pipe, and meanwhile, the magnesium oxide-magnesium sulfate inorganic bonding layer is arranged, so that the effects of environmental protection and no toxicity are facilitated;

the utility model provides high compound tuber pipe board holistic intensity has good fire prevention fire resistance, has good fire prevention heat-proof quality, and is lighter than the tradition tuber pipe of discharging fume, and the environmental protection is nontoxic.

Drawings

Fig. 1 is the structure schematic diagram of a steel fire-resistant and fireproof air duct provided by the utility model.

In the figure: 1 pipe body, 10 outer metal layers, 20 microcellular foam material layers, 30 inorganic material layers, 40 bonding layers and 50 inner metal layers.

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.

Referring to fig. 1, the steel fire-resistant and fire-proof air duct comprises a duct body 1, wherein an outer metal layer 10, a microporous foam material layer 20, an inorganic material layer 30 and an inner metal layer 50 are sequentially overlapped on the duct body 1 from outside to inside, and a bonding layer 40 is arranged between the inner metal layer 50 and the inorganic material layer 30.

In the utility model, the bonding layer 40 is a magnesium oxide-magnesium sulfate inorganic bonding layer.

The utility model discloses in, interior metal level 50 is various steel sheet, galvanized sheet or stainless steel sheet, and outer metal level 10 and interior metal level 50's surface all bonds and has the glass fiber cloth layer.

In the utility model, the inorganic material layer 30 is one of gypsum board, cement foam board, silicate series board, glass magnesium board, sulfur magnesium board.

In the present invention, the inner metal layer 50 is embossed and cotton-planted on the side connected to the inorganic material layer 30.

In the utility model, the thickness of the inorganic material layer 30 is 5mm-40mm, the thickness of the microporous foam material layer 20 is 10mm-50mm, and the thickness of the outer metal layer 10 is 0.15mm-1 mm; the inner metal layer 50 has a thickness of 0.15mm to 1 mm.

In the utility model, the working principle protects the pipe body through the outer metal layer and the inner metal layer, the overall strength of the composite air pipe plate is improved, the resistance of air circulation can be reduced, the smoke exhaust speed is accelerated, the inorganic material layer is close to the inner side of the pipe body, the inorganic material layer has excellent fireproof flame retardance, the fire resistance of the smoke exhaust prevention air pipe can be effectively improved, and the completeness of the smoke exhaust prevention air pipe structure is ensured and maintained after the smoke exhaust prevention air pipe is fire-resistant for a long time; the microporous foam material layer is close to the outer side of the smoke-exhaust preventing air pipe, and the microporous foam material has good fireproof and heat-insulating properties, so that the microporous foam material layer can effectively isolate heat transfer from the inside to the outside of the smoke-exhaust preventing air pipe while ensuring the fire resistance of the smoke-exhaust preventing air pipe system, and secondary disasters caused by high temperature of the smoke-exhaust preventing air pipe in an unfired area are avoided; and because the inorganic material layer and the micropore foaming material layer are both light foaming materials, the smoke exhaust air pipe is lighter than the traditional smoke exhaust air pipe, and simultaneously, because of the magnesium oxide-magnesium sulfate inorganic bonding layer, the smoke exhaust air pipe has the effects of environmental protection and no toxicity.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a fire-resistant fire prevention tuber pipe of steel, includes body (1), its characterized in that, body (1) is from outer metal level (10), micropore foaming material layer (20), inorganic material layer (30) and interior metal level (50) of having superimposed in proper order to interior, be equipped with tie coat (40) between interior metal level (50) and inorganic material layer (30).

2. The steel fire-resistant and fire-proof air duct of claim 1, wherein the bonding layer (40) is a magnesium oxide-magnesium sulfate inorganic bonding layer.

3. The steel fire-resistant fireproof air duct according to claim 1, wherein the inner metal layer (50) is a color steel plate, a galvanized plate or a stainless steel plate, the outer metal layer (10) is a color steel plate, a galvanized plate or a stainless steel plate, and glass fiber cloth layers are bonded to the surfaces of the outer metal layer (10) and the inner metal layer (50).

4. The fire-resistant and fireproof steel air duct of claim 1, wherein the inorganic material layer (30) is one of gypsum board, cement foam board, silicate series board, glass magnesium board, and magnesium oxysulfate board.

5. The fire-resistant and fire-proof steel air duct of claim 1, wherein the inner metal layer (50) is embossed and cotton-planted on the side connected to the inorganic material layer (30).

6. The fire-resistant and fireproof steel air duct according to claim 1, wherein the inorganic material layer (30) has a thickness of 5mm to 40mm, the microcellular foam material layer (20) has a thickness of 10mm to 50mm, and the outer metal layer (10) has a thickness of 0.15mm to 1 mm; the thickness of the inner metal layer (50) is 0.15mm-1 mm.