CN212359545U

CN212359545U - Fire-retardant thermal-insulated steel prevents fire door

Info

Publication number: CN212359545U
Application number: CN202020567656.2U
Authority: CN
Inventors: 李思祥; 陈明桥
Original assignee: Guangzhou Weiya Fire Door Co ltd
Current assignee: Guangzhou Weiya Fire Door Co ltd
Priority date: 2020-04-16
Filing date: 2020-04-16
Publication date: 2021-01-15
Anticipated expiration: 2030-04-16

Abstract

The utility model belongs to the technical field of fire door technique and specifically relates to a fire-retardant thermal-insulated steel prevents fire door, it includes prevents fire door shell body, prevent that the inside of fire door shell body has set gradually insulating layer, basic unit and cooling layer from right side to left, the utility model discloses simple structure, the practicality is strong, through preventing that the inside of fire door shell body is provided with insulating layer, basic unit and cooling layer, not only can improve the fire resistance of preventing fire door, moreover, is provided with the cooling piece in the cooling layer, the cooling piece can absorb heat and become liquid from the solid, and then realizes rapid cooling, reaches thermal-insulated effect in the process of cooling; in addition, the flame-retardant layer is arranged, so that the flame-retardant layer can prevent fire from burning the fireproof door quickly, the burning time of the fireproof door is further prolonged, enough time for waiting for rescue is strived for escape personnel, and the life safety of the escape personnel is guaranteed to a certain extent.

Description

Fire-retardant thermal-insulated steel prevents fire door

Technical Field

The utility model belongs to the technical field of prevent fire door technique and specifically relates to a fire-retardant thermal-insulated steel prevents fire door.

Background

A fire door is a door that can meet the requirements of fire stability, integrity and thermal insulation within a certain period of time. The fireproof partition is arranged in fireproof partitions, evacuation staircases, vertical shafts and the like and has certain fire resistance, and the fireproof door has the functions of preventing fire from spreading and smoke from diffusing besides the function of a common door, can prevent the fire from spreading within a certain time and ensures personnel evacuation. However, the existing fireproof door is poor in flame retardant property, and the fireproof door can be burnt or partially burnt in a short time under the high temperature of fire burning, so that the time of waiting for rescue of an escape person is shortened, and the life safety of the escape person is threatened to a certain extent; in addition, some present prevent fire door and do not possess the function of thermal-insulated cooling, because the high temperature of big fire, the heat permeates through preventing in fire door enters into escape passage very easily, brings serious threat (because the flee personnel when waiting for the rescue in escaping the passageway, if too big can make the personnel of fleing suffocate in the heat, still can lead to personnel to die when serious) for this reason, we propose a fire-retardant thermal-insulated steel prevent fire door.

Disclosure of Invention

Not enough to prior art, the utility model provides a fire door is prevented to fire-retardant thermal-insulated steel should prevent that fire door through simple structural design, can effectively solve the problem that proposes in the above-mentioned background art.

The technical scheme of the utility model is that:

the utility model provides a fire-retardant thermal-insulated steel prevents fire door which characterized in that: it is including preventing the fire door shell body, prevent that the inside of fire door shell body has set gradually insulating layer, basic unit and cooling layer from the right side to a left side, the outer wall of insulating layer and the inner wall welding of preventing the fire door shell body, the right flank on cooling layer is provided with a plurality of recess, it has the cooling piece to bond in the recess, the right flank welding on cooling layer has the shrouding, the side welds with shrouding and insulating layer respectively about the basic unit, the last downside of basic unit respectively with prevent the inner wall welding of fire door shell body upper and lower, the coating of the right flank outer wall of preventing the fire door shell body has fire-retardant layer, the right flank outer wall end of preventing the fire door shell body is provided with the slot, it has protective housing and fire-retardant level in the inside of protective.

Further, prevent that fire door shell body's material is forged steel, prevent that fire door shell body's thickness is 6 mm.

Further, the heat insulating layer is a cold-drawn steel layer, and the thickness of the heat insulating layer is 30 mm.

Further, the base layer is a cast steel layer, and the thickness of the base layer is 45 mm.

Further, the cooling layer is a hard aluminum alloy layer, and the thickness of the cooling layer is 25 mm.

Furthermore, the cooling block adopts blocky phase-change paraffin.

Furthermore, the closing plate is made of steel.

Further, the flame-retardant layer is a halogen-free flame-retardant polypropylene layer, and the thickness of the flame-retardant layer is 15 mm.

Furthermore, the protective shell is made of hard PVC.

The utility model has the advantages that: the utility model discloses simple structure, the practicality is strong, through be provided with insulating layer, basic unit and cooling layer in the inside of preventing fire door shell body, not only can improve the fire resistance of preventing fire door, moreover, be provided with the cooling piece in the cooling layer, the cooling piece can absorb heat and become liquid from the solid, and then realizes rapid cooling, reaches thermal-insulated effect in the process of cooling, avoids having a large amount of heats to see through preventing fire door to reduce the degree that the heat threatens the personnel of fleing, guarantee personnel's life safety better; in addition, through being equipped with fire-retardant layer, fire-retardant layer can prevent the fire door is prevented in the fast burning of big fire, and then the extension prevents that fire door is by the time of burning, and after fire-retardant layer burns out, prevents that fire door shell body, insulating layer, basic unit and cooling layer can also constantly carry out the separation to big fire, strives for abundant time of waiting for the rescue for the personnel of fleing for escaping, has ensured the life safety of personnel of fleing for escaping to a certain extent.

Drawings

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

figure 2 is the utility model discloses prevent the front view of fire door shell body.

In the figure, 1, an outer shell of the fireproof door; 2. a thermal insulation layer; 3. a base layer; 4. a cooling layer; 5. a groove; 6. cooling blocks; 7. closing the plate; 8. a flame retardant layer; 9. a slot; 10. a protective shell.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:

as shown in fig. 1-2, a fire-retardant and heat-insulating steel fireproof door comprises a fireproof door outer shell 1, wherein a heat insulating layer 2, a base layer 3 and a cooling layer 4 are sequentially arranged inside the fireproof door outer shell 1 from right to left, the outer wall of the heat insulating layer 2 is welded with the inner wall of the fireproof door outer shell 1, the right side surface of the cooling layer 4 is provided with a plurality of grooves 5, cooling blocks 6 are bonded in the grooves 5, a sealing plate 7 is welded on the right side surface of the cooling layer 4, the left side surface and the right side surface of the base layer 3 are respectively welded with the sealing plate 7 and the heat insulating layer 2, the upper surface and the lower surface of the base layer 3 are respectively welded with the inner wall of the upper surface and the lower surface of the fireproof door outer shell 1, the right side surface outer wall of the fireproof door outer shell 1 is coated with a fire-retardant layer 8, the end, the inserting portion of the inserting slot 9 and the inserting portion of the protective shell 10 are fixedly bonded through strong glue.

The material of preventing fire door shell body 1 is forged steel, prevent that fire door shell body 1's thickness is 6 mm.

The heat insulation layer 2 is a cold-drawn steel layer, and the thickness of the heat insulation layer 2 is 30 mm.

The basic unit 3 is the cast steel layer, the thickness of basic unit 3 is 45 mm.

The cooling layer 4 is a hard aluminum alloy layer, and the thickness of the cooling layer 4 is 25 mm.

The cooling block 6 is block phase-change paraffin.

The closing plate 7 is made of steel. Through being equipped with the shrouding, can effectively seal its inside cooling piece.

The flame-retardant layer 8 is a halogen-free flame-retardant polypropylene layer, and the thickness of the flame-retardant layer 8 is 15 mm. The halogen-free flame-retardant polypropylene has good flame retardant property, and can prevent fire from burning the fireproof door quickly when being arranged at the position, so that the burning time of the fireproof door is prolonged.

The protective shell 10 is made of hard PVC. Through being equipped with the protective housing, on the one hand the in-process protection fire-retardant layer of using is not destroyed, and on the other hand avoids influencing fire door's aesthetic property.

The utility model has the advantages that: the utility model discloses simple structure, the practicality is strong, through be provided with insulating layer 2, basic unit 3 and cooling layer 4 in the inside of preventing fire door shell body 1, not only can improve the fire resistance of preventing fire door, moreover, be provided with cooling piece 6 in cooling layer 4, cooling piece 6 can absorb heat and become liquid from the solid, and then realize quick cooling, reach thermal-insulated effect in the process of cooling, avoid having a large amount of heats to see through preventing fire door to reduce the heat and cause the degree of threat to the personnel of fleing, guarantee personnel's life safety better; in addition, through being equipped with fire-retardant layer 8, fire-retardant layer 8 can prevent the fire door is prevented in the fast burning of conflagration, and then the time of preventing fire door by the burning is prolonged, and after fire-retardant layer 8 burns out, prevent that fire door shell body 1, insulating layer 2, basic unit 3 and cooling layer 4 can also constantly carry out the separation to the conflagration, strive for abundant time of waiting for the rescue for the personnel of fleing for one's life safety to a certain extent.

It is worth mentioning that: the cooling block 6 can only appear changing the phase under certain temperature, simultaneously, cooling block 6 also has different phase change temperature to select, here, we can select 50 degrees centigrade, when temperature more than or equal to 50 degrees centigrade, cooling block 6 can just appear changing the phase and cooling, and in ordinary use, can not appear cooling block 6's phase change because of the high temperature of weather.

The foregoing embodiments and description have been provided to illustrate the principles and preferred embodiments of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed.

Claims

1. The utility model provides a fire-retardant thermal-insulated steel prevents fire door which characterized in that: the fireproof door comprises a fireproof door shell body (1), wherein a heat insulation layer (2), a base layer (3) and a cooling layer (4) are sequentially arranged inside the fireproof door shell body (1) from right to left, the outer wall of the heat insulation layer (2) is welded with the inner wall of the fireproof door shell body (1), a plurality of grooves (5) are formed in the right side face of the cooling layer (4), cooling blocks (6) are bonded in the grooves (5), a sealing plate (7) is welded on the right side face of the cooling layer (4), the left side face and the right side face of the base layer (3) are respectively welded with the sealing plate (7) and the heat insulation layer (2), the upper face and the lower face of the base layer (3) are respectively welded with the inner walls of the upper face and the lower face of the fireproof door shell body (1), a flame-retardant layer (8) is coated on the right side face outer wall of the fireproof, protective housing (10) and fire-retardant layer (8) are located the inside of protective housing (10) to peg graft in slot (9), slot (9) and protective housing (10) grafting part are fixed through the powerful glue bonding.

2. The fire resistant, insulating steel fire rated door of claim 1 further comprising: the fireproof door shell body (1) is made of forged steel, and the thickness of the fireproof door shell body (1) is 6 mm.

3. The fire resistant and insulating steel fire door as claimed in claim 2, wherein: the heat insulation layer (2) is a cold-drawn steel layer, and the thickness of the heat insulation layer (2) is 30 mm.

4. A fire retardant and insulating steel fire door as claimed in claim 3, wherein: the base layer (3) is a cast steel layer, and the thickness of the base layer (3) is 45 mm.

5. The fire resistant and insulating steel fire door as claimed in claim 4, wherein: the cooling layer (4) is a hard aluminum alloy layer, and the thickness of the cooling layer (4) is 25 mm.

6. The fire resistant and insulating steel fire door as claimed in claim 5, wherein: the cooling block (6) adopts blocky phase-change paraffin.

7. The fire resistant and insulating steel fire door as claimed in claim 6, wherein: the closing plate (7) is made of steel.

8. The fire resistant, insulating steel fire rated door of claim 7, wherein: the flame-retardant layer (8) is a halogen-free flame-retardant polypropylene layer, and the thickness of the flame-retardant layer (8) is 15 mm.

9. The fire resistant, insulating steel fire rated door of claim 8, wherein: the protective shell (10) is made of hard PVC.