CN112696129A

CN112696129A - Fire-proof door

Info

Publication number: CN112696129A
Application number: CN202011548307.7A
Authority: CN
Inventors: 马建发
Original assignee: Xi'an Shenma Energy Saving Doors And Windows Co ltd
Current assignee: Xi'an Shenma Energy Saving Doors And Windows Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-04-23
Anticipated expiration: 2040-12-24
Also published as: CN112696129B

Abstract

The application relates to a fireproof door, which relates to the technical field of safety door structures, and comprises a fireproof door plate and a door frame, the fireproof door plate is matched with a door frame, a groove and a storage tank are arranged on the door frame, a protection device is arranged in the groove, the storage tank is provided with fire extinguishing agent, the placing plate is placed in the groove and hinged with the door frame, the spray head is arranged on one side of the placing plate far away from the fireproof door plate, the connecting pipe is arranged on one side of the placing plate facing the fireproof door plate, the connecting pipe is a hose, one end of the connecting pipe is communicated with the spray head, the other end of the connecting pipe extends into the storage tank, the angle adjusting part sets up the angle that is used for adjusting the board of placing in the recess, the extrusion part sets up and is used for squeezing into the connecting pipe with fire extinguishing agent in the hold up tank, and this application has the effect of being convenient for reduce to prevent that fire door stands the possibility of burning a fire for a long time.

Description

Fire-proof door

Technical Field

The utility model belongs to the technical field of emergency exit structure and specifically relates to a prevent fire door.

Background

The fire door is an important component of building fire-fighting measures, and fire doors are required to be arranged at fire-proof subareas of evacuation channels in a building. The fireproof door can deform in processing, installation and use, and is more deformed when meeting heat, the factors often make the gap between the door leaf and the door leaf smaller and can not be normally opened to close the fireproof door, and the gap between the door leaf and the door leaf is enlarged and different fire spreading and smoke diffusion are effectively prevented.

At present, in application No. 201610535444.4's application file, a prevent fire door is disclosed, including door frame and door plant, wherein the door plant adopts foamed aluminum plate, be equipped with first layer polypropylene fibre spunbonded fabric, three-dimensional wavy mixed short fiber layer, second floor polypropylene fibre spunbonded fabric, acrylic resin, flame retardant coating and stainless steel material layer in proper order in foamed aluminum plate's the outside, the door frame is located around the door plant, the vertical side of door plant one and the vertical lateral wall of door frame, the door plant medial surface is equipped with the apron of outer edge all around, it has seal ring to bond in the contained angle that this apron and door plant thickness face formed.

In view of the above-mentioned related technologies, the inventor believes that when the fire door resists fire, it is difficult to avoid deformation caused by too high temperature of the fire door after long-time fire, thereby causing the fire and smoke protection performance of the fire door to be reduced or the fire door to be difficult to open.

Disclosure of Invention

To reduce the likelihood that a fire rated door will experience prolonged fire, the present application provides a fire rated door.

The application provides a prevent fire door adopts following technical scheme:

a fireproof door comprises a fireproof door plate and a door frame, wherein the fireproof door plate is matched with the door frame, a groove and a storage groove are formed in the door frame, a protective device is arranged in the groove, a fire extinguishing agent is arranged in the storage groove, the protective device comprises a baffle plate, a placing plate, a connecting pipe, a spray head, an angle adjusting component, an extrusion component, a sensor and a controller, the placing plate is placed in the groove, the placing plate is hinged with the door frame, the spray head is arranged on one side, away from the fireproof door plate, of the placing plate, the connecting pipe is arranged on one side, facing the fireproof door plate, of the placing plate, the connecting pipe is arranged as a hose, one end of the connecting pipe is communicated with the spray head, the other end of the connecting pipe extends into the storage groove, the angle adjusting component is arranged in the groove and used for adjusting the angle of the placing plate, the, the shower nozzle is provided with a plurality of along the length direction of door frame, the sensor is used for setting up on the fire prevention door plant, the sensor is used for controlling the sensor, the sensor is used for controlling opening of angle adjusting part, extrusion part.

Through adopting above-mentioned technical scheme, when the fire prevention door plant is burnt to fire, the heat is experienced to the sensor, sensor control controller, the controller opening angle adjusting part, the extrusion part, protection device begins to play a role, the angle of board is placed in the angle adjusting part regulation, the shower nozzle rotates along with placing the board, under angle adjusting part's effect, the fire prevention door plant is aimed at to the shower nozzle, simultaneously the extrusion part lets in the shower nozzle through the connecting pipe with fire extinguishing agent, the shower nozzle is aimed at the fire prevention door plant and sprays fire extinguishing agent, be convenient for go out the fire on the fire prevention door plant, reduce the possibility that the fire prevention door plant withstood long-.

Optionally, the angle adjustment part includes rotation motor, action wheel, follows the driving wheel, the output shaft that rotates the motor and the pivot fixed connection of action wheel, the action wheel with follow driving wheel meshing and be connected, the action wheel is round gear with follow driving wheel, the action wheel is the same with the radius from the driving wheel, the pivot from the driving wheel with place board fixed connection, the pivot from the driving wheel is located the articulated department of placing board and door frame, the articulated shaft of placing board and door frame is syntropy with the pivot from the driving wheel, the action wheel sets up to intermittent gear, driven gear sets up to continuous gear.

Through adopting above-mentioned technical scheme, the rotation motor is opened to the sensor, rotates the motor and drives the action wheel rotation, and the action wheel rotates the in-process and drives from the driving wheel rotation, and the action wheel lasts the rotation, rotates from driving wheel intermittent type, is not convenient for drive from the driving wheel and places board intermittent type transform angle, rotates to another angle again after spraying of fire extinguishing agent at an angle, reduces the fire door plant and stands the possibility of burning with a fire for a long time.

Optionally, the driving wheel includes a continuous tooth section and an interval tooth section, the continuous tooth section is semicircular, the continuous tooth section is continuously provided with gear teeth, the interval tooth section is provided with gear teeth at intervals, and the starting point of the continuous tooth section is meshed with the driven wheel when the placing plate is located in the groove.

Through adopting above-mentioned technical scheme, the action wheel rotates, the action wheel drives from the driving wheel rotation, when the continuous tooth section of action wheel with from the driving wheel meshing, rotate in succession from the driving wheel, the messenger places the board and rotates 180 around the articulated shaft of placing board and door frame, when intermittent type tooth section with from the driving wheel meshing, the driven wheel stops the secondary rotation after rotating to certain angle, the shower nozzle of being convenient for spouts the fire extinguishing agent towards the different positions of fire prevention door plant, reduce the possibility that fire prevention door plant stands long-time burning.

Optionally, the extrusion part includes stripper plate, push motor, the stripper plate is located the one side that the recess was kept away from to the holding vessel, stripper plate and holding vessel inside wall butt, fire extinguishing agent places on the stripper plate, push motor is located the one side that fire extinguishing agent was kept away from to the stripper plate.

Through adopting above-mentioned technical scheme, promotion motor promotes the stripper plate motion, and the stripper plate extrusion fire extinguishing agent pushes away the fire extinguishing agent to connecting pipe department, and the fire extinguishing agent is delivered to shower nozzle department through the connecting pipe under the effect of stripper plate, and the shower nozzle of being convenient for sprays the fire extinguishing agent, reduces the fire prevention door plant and experiences the possibility of burning a fire for a long time.

Optionally, the extrusion part includes the cutter, the cutter is located the extrusion board towards one side of fire extinguishing agent, the fire extinguishing agent includes aluminium sulfate package, sodium bicarbonate package, aluminium sulfate package and sodium bicarbonate package set up side by side along the door frame direction, the cutter can cut aluminium sulfate package and sodium bicarbonate package.

Through adopting above-mentioned technical scheme, the stripper plate promotes the cutter motion, and the cutter cuts aluminium sulfate package, sodium bicarbonate package, and aluminium sulfate and sodium bicarbonate are mixed, produce a large amount of carbon dioxide fast, and carbon dioxide is sent into shower nozzle department through the connecting pipe, and on the shower nozzle was spouted to the fire door plant, the reduction fire door plant experienced the possibility of burning with a fire for a long time.

Optionally, a plurality of stirring beads are placed in both the aluminum sulfate bag and the sodium bicarbonate bag.

Through adopting above-mentioned technical scheme, after producing a large amount of gases, there is the possibility that carbon dioxide surges in the standing groove, and carbon dioxide drives the stirring pearl and removes, and the stirring pearl has increased the possibility that aluminium sulfate and sodium bicarbonate mix, is convenient for aluminium sulfate and sodium bicarbonate's mixture.

Optionally, the bottom of the placement groove is provided with a first inclined plate and a second inclined plate, the first inclined plate and the second inclined plate are arranged in parallel, one end of the first inclined plate facing the second inclined plate is lower than one end of the first inclined plate far away from the second inclined plate, and one end of the second inclined plate facing the first inclined plate is lower than one end of the second inclined plate far away from the first inclined plate.

Through adopting above-mentioned technical scheme, aluminium sulfate and sodium bicarbonate collect along first inclined plate and second inclined plate, reduce aluminium sulfate and the unable possibility that can not produce carbon dioxide of contact of sodium bicarbonate.

Optionally, the groove and the storage tank are arranged in parallel, and the connecting pipe is communicated with one side of the storage tank far away from the fire extinguishing agent.

By adopting the technical scheme, the possibility that the aluminum sulfate liquid and the sodium bicarbonate liquid flow into the connecting pipe is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the fire extinguishing device is characterized in that a baffle is arranged, a placing plate is arranged, a connecting pipe is arranged, a spray head is arranged, an angle adjusting part is arranged, an extruding part is arranged, a sensor and a controller are arranged, when a fire-proof door plate is burnt, the sensor senses heat, the sensor controls the controller, the controller opens the angle adjusting part, the extruding part is arranged, a protection device starts to function, the angle adjusting part adjusts the angle of the placing plate, the spray head rotates along with the placing plate, under the action of the angle adjusting part, the spray head is aligned to the fire-proof door plate, meanwhile, the extruding part enables a fire extinguishing agent to be introduced into the spray head through the connecting pipe, the spray head is aligned to the fire-proof door plate to spray;

2. according to the fire extinguishing device, the angle adjusting part comprising the rotating motor, the driving wheel and the driven wheel is arranged, the rotating motor is started by the sensor, the rotating motor drives the driving wheel to rotate, the driven wheel is driven to rotate in the rotating process of the driving wheel, the driving wheel continuously rotates, the driven wheel intermittently rotates, the driven wheel is inconvenient to drive the placing plate to intermittently change the angle, the fire extinguishing agent is sprayed at one angle and then rotates to another angle, and the possibility that the fire extinguishing door is subjected to long-time fire burning is reduced;

3. this application sets up the extrusion part including stripper plate, push motor, cutter simultaneously, and the aluminium sulfate package, sodium bicarbonate package are set up to the stripper plate, and the motion of cutter is promoted to the stripper plate, and the cutter cuts aluminium sulfate package, sodium bicarbonate package, and aluminium sulfate and sodium bicarbonate mix, produce a large amount of carbon dioxide fast, and carbon dioxide is sent into shower nozzle department through the connecting pipe, on being spouted to the fire door board through the shower nozzle, reduces to prevent that fire door stands the possibility of burning with a fire for a long time.

Drawings

Figure 1 is a schematic view of the structure of a fire rated door according to an embodiment of the present application.

Figure 2 is a partial cross-sectional view of a fire rated door of an embodiment of the present application.

Fig. 3 is a schematic structural view of a hidden fireproof door panel and a hidden fireproof door frame of the fireproof door according to the embodiment of the present application.

Fig. 4 is an enlarged schematic view of a part of fig. 3.

Description of reference numerals: 1. a fire door panel; 2. a door frame; 3. a groove; 4. a storage tank; 5. a fire extinguishing agent; 501. aluminum sulfate bag; 502. sodium bicarbonate bag; 6. a protection device; 601. a baffle plate; 602. placing the plate; 603. a connecting pipe; 604. a spray head; 605. an angle adjusting member; 6051. rotating the motor; 6052. a driving wheel; 6053. a driven wheel; 606. an extrusion member; 6061. a pressing plate; 6062. a push motor; 6063. a cutter; 607. a sensor; 608. a controller; 7. stirring the beads; 8. a first inclined plate; 9. a second inclined plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses prevent fire door. Referring to fig. 1 and 2, a fireproof door, including fireproof door panel 1, door frame 2, fireproof door panel 1 cooperates with door frame 2, recess 3 has been seted up on door frame 2, hold up tank 4, recess 3 sets up with hold up tank 4 side by side, be provided with baffle 601 on the door frame 2, baffle 601 is located the recess 3 department, baffle 601 is articulated with door frame 2, recess 3 all sets up the one side of keeping away from ground at door frame 2 with hold up tank 4, be provided with protection device 6 in the recess 3, be provided with fire extinguishing agent 5 in the hold up tank 4, protection device 6 includes baffle 601, place board 602, connecting pipe 603, shower nozzle 604, angle adjusting part 605, extrusion part 606, sensor 607, controller 608, sensor 607 sets up to temperature sensor 607, controller 608 sets up to the PLC controller.

Referring to fig. 1 and 2, a placing plate 602 is placed in a groove 3, the placing plate 602 is hinged to a door frame 2, a hinge shaft of the placing plate 602 and the door frame 2 is arranged along a length direction of the placing plate 602, a spray head 604 is welded on one side of the placing plate 602, which is far away from a fire door panel 1, a connecting pipe 603 is bonded on one side of the placing plate 602, which faces the fire door panel 1, the connecting pipe 603 is provided as a hose, one end of the connecting pipe 603 is bonded and communicated with the spray head 604, the other end of the connecting pipe 603 extends into a storage tank 4, an angle adjusting component 605 is arranged in the groove 3 for adjusting an angle of the placing plate 602, and a squeezing component 606 is arranged in the storage tank.

Referring to fig. 1 and 2, there may be 8, 10, or 12 nozzles 604 arranged along the length direction of the door frame 2, in this embodiment, there are 10 nozzles 604, a sensor 607 arranged on the fire door panel 1, a sensor 607 for controlling the sensor 607, and a sensor 607 for controlling the opening of the angle adjusting component 605 and the squeezing component 606. When the fire door panel 1 is burnt, the sensor 607 feels heat, the sensor 607 controls the controller 608, the controller 608 opens the angle adjusting part 605 and the extruding part 606, the protection device 6 starts to function, the angle adjusting part 605 adjusts the angle of the placing plate 602, the spray head 604 rotates along with the placing plate 602, under the action of the angle adjusting part 605, the spray head 604 aims at the fire door panel 1, meanwhile, the extruding part 606 leads the fire extinguishing agent 5 into the spray head 604 through the connecting pipe 603, the spray head 604 aims at the fire door panel 1 to spray the fire extinguishing agent 5, so that fire on the fire door panel 1 is extinguished, the possibility that the fire door panel 1 is burnt for a long time is reduced, and the connecting pipe 603 is communicated with one side of the placing groove, which is far away from the fire. Reducing the possibility of aluminum sulfate liquid and sodium bicarbonate liquid flooding into connecting tube 603.

Referring to fig. 3 and 4, the angle adjustment component 605 includes a rotation motor 6051, a driving wheel 6052 and a driven wheel 6053, an output shaft of the rotation motor 6051 is fixedly connected with a rotation shaft of the driving wheel 6052 through a coupler, the driving wheel 6052 is engaged with the driven wheel 6053, the driving wheel 6052 and the driven wheel 6053 are both circular gears, and the radii of the driving wheel 6052 and the driven wheel 6053 are the same. Referring to fig. 2 and 4, the rotating shaft of the driven wheel 6053 is welded to the placing plate 602, the rotating shaft of the driven wheel 6053 is located at the hinge joint of the placing plate 602 and the door frame 2, the hinge shaft of the placing plate 602 and the door frame 2 is in the same direction as the rotating shaft of the driven wheel 6053, the driving wheel 6052 is provided as an intermittent gear, and the driven gear is provided as a continuous gear. Rotation motor 6051 is opened to sensor 607, rotates motor 6051 and drives action wheel 6052 and rotate, and action wheel 6052 rotates the in-process and drives from driving wheel 6053 and rotate, and action wheel 6052 continuously rotates, follows driving wheel 6053 intermittent type and rotates, is not convenient for drive from driving wheel 6053 and places board 602 intermittent type transform angle, rotates to another angle again after spraying of fire extinguishing agent 5 at an angle, reduces the possibility that fire door plant 1 withstood long-time burning.

Referring to fig. 2 and 4, the driving wheel 6052 includes a continuous tooth section and an interval tooth section, the continuous tooth section is semicircular, gear teeth are continuously provided on the continuous tooth section, the interval tooth section is provided with the gear teeth at intervals, and a starting point of the continuous tooth section is engaged with the driven wheel 6053 when the placing plate 602 is located in the groove 3. The action wheel 6052 rotates, the action wheel 6052 drives the driven wheel 6053 to rotate, when the continuous tooth section of the action wheel 6052 is meshed with the driven wheel 6053, the driven wheel 6053 continuously rotates, the placing plate 602 rotates 180 degrees around the hinge shaft of the placing plate 602 and the door frame 2, when the intermittent tooth section is meshed with the driven wheel 6053, the driven wheel 6053 stops rotating again after rotating to a certain angle, the fire extinguishing agent 5 is conveniently sprayed towards different parts of the fireproof door plate 1 by the spray head 604, and the possibility that the fireproof door plate 1 is subjected to long-time fire burning is reduced.

Referring to fig. 2 and 3, the pressing component 606 includes a pressing plate 6061 and a pushing motor 6062, the pressing plate 6061 is located on one side of the storage tank 4 far from the groove 3, the pressing plate 6061 abuts against the inner side wall of the storage tank 4, the fire extinguishing agent 5 is placed on the pressing plate 6061, and the pushing motor 6062 is located on one side of the pressing plate 6061 far from the fire extinguishing agent 5. Push motor 6062 promotes the stripper plate 6061 motion, and stripper plate 6061 extrudes fire extinguishing agent 5, pushes away fire extinguishing agent 5 to connecting pipe 603 department, and fire extinguishing agent 5 is sent to shower nozzle 604 department through connecting pipe 603 under stripper plate 6061's effect, and the shower nozzle 604 of being convenient for sprays fire extinguishing agent 5, reduces the possibility that fire door plant 1 survived a fire for a long time and burns.

Referring to fig. 2 and 3, the pressing member 606 includes a cutter 6063, the cutter 6063 is located on a side of the pressing plate 6061 facing the fire extinguishing agent 5, the fire extinguishing agent 5 includes an aluminum sulfate bag 501 and a sodium bicarbonate bag 502, the aluminum sulfate bag 501 and the sodium bicarbonate bag 502 are arranged in parallel along the door frame 2, and the cutter 6063 can cut the aluminum sulfate bag 501 and the sodium bicarbonate bag 502. The extrusion plate 6061 pushes the cutter 6063 to move, the cutter 6063 cuts the aluminum sulfate bag 501 and the sodium bicarbonate bag 502, aluminum sulfate and sodium bicarbonate are mixed to rapidly generate a large amount of carbon dioxide, the carbon dioxide is sent to the spray head 604 through the connecting pipe 603 and sprayed onto the fireproof door plate 1 through the spray head 604, and the possibility that the fireproof door plate 1 is burnt for a long time is reduced.

Referring to fig. 2 and 3, a plurality of stirring beads 7 are placed in both the aluminum sulfate bag 501 and the sodium bicarbonate bag 502. After a large amount of gas is generated, the possibility of carbon dioxide surging exists in the storage tank 4, the carbon dioxide drives the stirring bead 7 to move, and the stirring bead 7 increases the possibility of mixing aluminum sulfate and sodium bicarbonate, so that the aluminum sulfate and the sodium bicarbonate can be conveniently mixed.

Referring to fig. 2 and 3, a first inclined plate 8 and a second inclined plate 9 are provided at the bottom of the placement groove, the first inclined plate 8 and the second inclined plate 9 are arranged in parallel, one end of the first inclined plate 8 facing the second inclined plate 9 is lower than one end of the second inclined plate 9 far away from the second inclined plate 9, and one end of the second inclined plate 9 facing the first inclined plate 8 is lower than one end of the second inclined plate 9 far away from the first inclined plate 8. The aluminum sulfate and the sodium bicarbonate are converged along the first inclined plate 8 and the second inclined plate 9, so that the possibility that the aluminum sulfate and the sodium bicarbonate cannot contact each other and cannot generate carbon dioxide is reduced.

The implementation principle of this application embodiment fire door does: when the fireproof door panel 1 is subjected to high temperature for a long time, the sensor 607 transmits the temperature to the controller 608, the controller 608 starts the rotating motor 6051 and the pushing motor 6062, the rotating motor 6051 drives the driving wheel 6052 to rotate, the driving wheel 6052 drives the driven wheel 6053 to do intermittent motion, the driven wheel 6053 drives the placing plate 602 to rotate 180 degrees first and then intermittently rotate, the spray head 604 rotates along with the placing plate 602, the pushing motor 6062 pushes the extruding plate 6061, the cutter 6063 advances along with the extruding plate 6061, the cutter 6063 cuts the aluminum sulfate packet 501 and the sodium bicarbonate packet 502, aluminum sulfate and sodium bicarbonate flow along the first inclined plate 8 and the second inclined plate 9 to generate carbon dioxide through mixing, the carbon dioxide pushes the stirring beads 7 to move, the stirring beads 7 are convenient to further mix with the sodium bicarbonate in the moving process, the carbon dioxide is communicated to the spray head 604 through the connecting pipe 603 and is sprayed to the fireproof door panel 1 through the, the fire on the fireproof door panel 1 is convenient to extinguish, and the possibility that the fireproof door panel 1 is burnt for a long time is reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a fireproof door, includes fire door board (1), door frame (2), fire door board (1) and door frame (2) cooperation, its characterized in that: the fire-fighting, the other end of the connecting pipe (603) extends into the storage tank (4), the angle adjusting component (605) is arranged in the groove (3) and used for adjusting the angle of the placing plate (602), the squeezing component (606) is arranged in the storage tank (4) and used for squeezing the fire extinguishing agent (5) into the connecting pipe (603), the spray head (604) is provided with a plurality of nozzles along the length direction of the door frame (2), the sensor (607) is arranged on the fireproof door panel (1), the sensor (607) is used for controlling the sensor (607), and the sensor (607) is used for controlling the opening of the angle adjusting component (605) and the squeezing component (606).

2. A fire rated door as claimed in claim 1, further comprising: angle adjusting part (605) is including rotating motor (6051), action wheel (6052), follow driving wheel (6053), the output shaft of rotating motor (6051) and the pivot fixed connection of action wheel (6052), action wheel (6052) are connected with from driving wheel (6053) meshing, action wheel (6052) are circular gear with follow driving wheel (6053), action wheel (6052) are the same with the radius from driving wheel (6053), follow the pivot of driving wheel (6053) and place board (602) fixed connection, the pivot from driving wheel (6053) is located the articulated department of placing board (602) and door frame (2), the articulated shaft of placing board (602) and door frame (2) and the pivot syntropy from driving wheel (6053), action wheel (6052) set up to intermittent gear, driven gear sets up to continuous gear.

3. A fire rated door as claimed in claim 2, further comprising: the action wheel (6052) includes continuous tooth section, interval tooth section, continuous tooth section is semi-circular, continuous tooth section is provided with the gear tooth in succession, interval tooth section interval is provided with the gear tooth, place board (602) and be located when recess (3) the starting point of continuous tooth section and follow driving wheel (6053) meshing.

4. A fire rated door as claimed in claim 1, further comprising: extrusion part (606) includes stripper plate (6061), push motor (6062), stripper plate (6061) are located one side that recess (3) were kept away from in holding vessel (4), stripper plate (6061) and holding vessel (4) inside wall butt, fire extinguishing agent (5) are placed on stripper plate (6061), push motor (6062) are located one side that fire extinguishing agent (5) were kept away from in stripper plate (6061).

5. A fire rated door as claimed in claim 4, further comprising: the extrusion part (606) includes cutter (6063), cutter (6063) are located extrusion board (6061) and are towards one side of fire extinguishing agent (5), fire extinguishing agent (5) include aluminium sulfate package (501), sodium bicarbonate package (502), aluminium sulfate package (501) and sodium bicarbonate package (502) set up side by side along door frame (2) direction, cutter (6063) can cut aluminium sulfate package (501) and sodium bicarbonate package (502).

6. A fire rated door as claimed in claim 5, further comprising: a plurality of stirring beads (7) are respectively arranged in the aluminum sulfate bag (501) and the sodium bicarbonate bag (502).

7. A fire rated door as claimed in claim 5, further comprising: the bottom of the placing groove is provided with a first inclined plate (8) and a second inclined plate (9), the first inclined plate (8) and the second inclined plate (9) are arranged in parallel, one end, facing the second inclined plate (9), of the first inclined plate (8) is lower than one end, away from the second inclined plate (9), of the second inclined plate (9), and one end, facing the first inclined plate (8), of the second inclined plate (9) is lower than one end, away from the first inclined plate (8).

8. A fire rated door as claimed in claim 5, further comprising: the groove (3) and the storage tank (4) are arranged in parallel, and the connecting pipe (603) is communicated with one side of the storage tank (4) far away from the fire extinguishing agent (5).