CN112360311A

CN112360311A - Prevent fire door with thermal-insulated cooling function

Info

Publication number: CN112360311A
Application number: CN202011101710.5A
Authority: CN
Inventors: 蔡云建
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-02-12

Abstract

The invention discloses a fireproof door with heat insulation and cooling functions, belonging to the field of fireproof doors, wherein a hollow glass bead is burnt and cracked by naked fire, an aluminum sulfate solution inside the hollow glass bead leaks to contact and react with a sodium hydroxide solution inside a storage cavity to generate a large amount of foam, an LDPE film in a U-shaped fire-blocking strip is melted, potassium phosphate particles reduce flammable liquid to be close to the naked fire, carbon dioxide gas in a gas storage bag expands when meeting high temperature, an expansion type fireproof sealant is extruded through an extrusion plate, the sealing film is burst by pressure, a gap between a door frame and the fireproof door is sealed through a smoke-stopping groove, so that the permeation of toxic gas and smoke is reduced, magnetic rubbers at the outer side end of the fireproof door mutually adsorb, a diaphragm is melted by the high temperature of waste gas, and the burnt suspended particles are adsorbed through adsorption fibers, the active carbon in the adsorption ball adsorbs the burned peculiar smell.

Description

Prevent fire door with thermal-insulated cooling function

Technical Field

The invention relates to the field of fire doors, in particular to a fire door with heat insulation and temperature reduction functions.

Background

The fire-proof test method is qualified according to the fire-proof test method of the national standard GB _12955 plus 2008 of fire-proof door implemented from 1 month and 1 day in 2009, and the fire-proof door certifications and the authorized identifiers are obtained by the ministry of economic standards, so that the fire-proof door is called as a fire-proof door, and the fire-proof door defined by the US NFPA and IBC specifications is a combination of any fire-proof door leaf, door jamb, hardware and other accessories which can jointly provide a certain degree of fire protection for an opening part.

The fire-proof wooden door is made up by using fire-retardant wood or fire-retardant wood product as door frame, door leaf skeleton and door leaf panel, filling the interior of door leaf with fire-retardant heat-insulating material which is non-toxic and harmless to human body, and matching it with fire-retardant hardware fittings.

The overlap joint size of door leaf and door frame should not be less than 12mm, the door leaf has the cooperation clearance of hinge one side should not be greater than the dimensional tolerance that the design drawing stipulated with the door frame, the door leaf has the cooperation clearance of lock one side should not be greater than the dimensional tolerance that the design drawing stipulated, the door leaf should not be greater than 3mm with the cooperation clearance of upper ledge, the double leaf, the gap should not be greater than 3mm between the door leaf of many leaves, the door leaf should not be greater than 9mm with the clearance on lower frame or ground, door leaf and door frame binding face clearance: door leaf and door frame have hinge one side, have lock one side and the binding face clearance of upper ledge all should not be greater than 3mm, the plane height difference of door leaf and door frame: on the opening surface of the fireproof door, the height difference between the door frame and the door leaf of the Tianjin telescopic bar code reader is not larger than 1 mm.

When a fire disaster occurs, a large amount of toxic gas and smoke are generated after the open fire is burnt, people are easy to suffocate, the toxic gas and high temperature are difficult to escape, many existing fireproof doors cannot effectively block the toxic gas and smoke, and the escape probability of people in the fire disaster is greatly reduced.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a fireproof door with heat insulation and cooling functions, the scheme is that a hollow glass bead is burnt and cracked by open fire, an aluminum sulfate solution inside the hollow glass bead leaks to be in contact with a sodium hydroxide solution inside a storage cavity to react and generate a large amount of foam, an LDPE film in a U-shaped fire bar is melted, potassium phosphate particles reduce inflammable liquid to be close to the open fire, carbon dioxide gas in a gas storage bag expands at high temperature, the expansion type fireproof sealant is extruded by the extrusion plate, the sealing film is burst by pressure, the gap between the doorframe and the fireproof door is sealed by the smoke stop groove, thereby reducing the penetration of toxic gas and smoke, the magnetic rubber at the outer side end of the fireproof door is mutually adsorbed, the diaphragm is melted by the high temperature of the waste gas, the burned suspended particles are adsorbed by the adsorption fibers, and the odor generated by burning is adsorbed by the activated carbon in the adsorption balls.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A fireproof door with heat insulation and cooling functions comprises a door frame, wherein a pair of fireproof doors are rotatably connected between the inner walls of the door frame, a plurality of uniformly distributed mounting grooves are formed in the outer ends of the fireproof doors, water guide wires are fixedly connected between the mounting grooves, hollow glass beads are fixedly connected inside the mounting grooves, aluminum sulfate solution is filled inside the hollow glass beads, a storage cavity is formed in the door frame, sodium hydroxide solution is filled inside the storage cavity, a pair of connecting pipes are fixedly connected inside the door frame and are respectively positioned on two sides of the storage cavity, the storage cavity is communicated with the mounting grooves through the connecting pipes, a U-shaped fire resisting strip is fixedly connected to the upper end of the fireproof door, an LDPE film is fixedly connected between the inner walls of the U-shaped fire resisting strip, and potassium phosphate particles (21) are filled between the U-shaped fire resisting strip and the LDPE film, deposit the inside in chamber and be equipped with a pair of sealing device, it is a pair of sealing device is located the upper and lower both sides of depositing the chamber respectively sealing device is when obvious ignition source and high temperature smog have in the outside, the ignition source extends to the surface of preventing fire door, hollow glass pearl meets open fire ignition a period of time after, hollow glass pearl bursts apart, the inside aluminum sulfate solution of hollow glass pearl reveals and deposits the inside sodium hydroxide solution contact of chamber and reaction, produce a large amount of foams, the foam passes through the even cover of water guide silk of mounting groove outer end on the surface of preventing fire door, thereby effectually to the ignition of isolated open fire to preventing fire door, when open fire is close to preventing fire door, high temperature gets into the inside of U-shaped fire bar along preventing fire, melt the LDPE film in the U-shaped fire bar, potassium phosphate granule drops in following U-shaped fire bar, cover the periphery at preventing fire door, it is close to reduce inflammable liquid and open fire.

Furthermore, the sealing device comprises a top rod, the lower end of the top rod is fixedly connected with a gas storage bag, carbon dioxide gas is filled in the gas storage bag, the upper end of the top rod is fixedly connected with an extrusion plate, the outer end of the extrusion plate is in contact with the inner wall of the storage cavity, expansion type fireproof sealant is filled in the storage cavity and is positioned on the upper side of the extrusion plate, smoke stopping grooves are formed in the upper end wall and the lower end wall of each pair of fireproof doors, through holes are formed in the bottom end wall of each smoke stopping groove, a sealing film is fixedly connected between the inner walls of the through holes, one ends of the through holes, far away from the smoke stopping grooves, are communicated with the storage cavity, the outer ends of the smoke stopping grooves correspond to the inner wall of the door frame, when the fireproof doors are fired by open fire, the outer ends and the interiors of the fireproof doors are heated, and the carbon dioxide in the gas, the ejector pin is depositing the inside slip of bag depositing the chamber through gas, extrudeing the sealed glue of expanding type fire prevention through the stripper plate, and sealing film is broken to pressure, and the sealed glue of expanding type fire prevention flows to the inside of smoke stop groove through sealing film, seals the gap between door frame and the fire door through smoke stop groove to reduce the toxic gas smog that open fire ignition produced and get into the opposite side of fire door.

Furthermore, one end of each pair of the fireproof doors close to each other is fixedly connected with magnetic rubber, one end of each pair of the magnetic rubbers close to each other is provided with a plurality of uniformly distributed grooves, adsorption balls are arranged inside the grooves, high-temperature resistant fibers are fixedly connected between the adsorption balls and the bottom walls of the grooves, activated carbon is filled inside the adsorption balls, adsorption fibers are fixedly connected to the outer ends of the adsorption balls, diaphragms are fixed between the inner walls of the grooves, the diaphragms are located on the right sides of the adsorption balls, when the pair of fireproof doors are closed, the magnetic rubbers on the outer side ends of the fireproof doors adsorb each other, the sealing performance between the pair of fireproof doors is improved, when toxic gas and peculiar smell generated by open fire ignition penetrate into gaps between the pair of fireproof doors, the diaphragms are melted by high temperature of waste gas, the ignited suspended particles are adsorbed by the adsorption fibers, and the harm to personnel caused by the particles penetrating the fireproof doors is reduced, the inside active carbon of absorption ball adsorbs the peculiar smell that the firing produced to reduce the secondary injury to the staff.

Further, the inner wall fixedly connected with high temperature resistant rubber circle of door frame, high temperature resistant rubber circle and the outer end phase-match of preventing fire door, increase door frame and prevent the leakproofness between the fire door to improve the security of preventing fire door.

Furthermore, prevent that fire door adopts the thermoforming shaped steel to make, the outer end of preventing fire door is scribbled and is brushed the insulating layer to reduce the outer end that high temperature transmitted to prevent fire door and cause the scald to the personnel.

Furthermore, the water guide wire is made of high-temperature alloy, the microcapsule color-changing particles are filled in the water guide wire, the water guide wire is not easily damaged by high temperature of combustion, and the fire behavior and the temperature are observed through the microcapsule color-changing particles after the fire disaster is over.

Furthermore, the inner wall of the gas storage bag is filled with plastic particles, anti-slip lines are chiseled at the outer end of the gas storage bag, the sliding of the ejector rod at the internal temperature of the storage cavity is effectively improved, and the extrusion plate can uniformly extrude the expansion type fireproof sealant.

Further, prevent fire door's outer end fixedly connected with handle, the outer end fixedly connected with skid resistant course of handle is convenient for timely open and close preventing fire door, improves the time of fleing.

A fireproof door with heat insulation and temperature reduction functions comprises the following steps:

s1, when the hollow glass beads are burnt and burst by open fire, the aluminum sulfate solution inside the hollow glass beads leaks to be in contact reaction with the sodium hydroxide solution inside the storage cavity to generate a large amount of foam, the LDPE film in the U-shaped fire-retardant strips is melted, and the potassium phosphate particles reduce the possibility that flammable liquid is close to the open fire;

s2, expanding the carbon dioxide gas in the gas storage bag at high temperature, extruding the expansion type fireproof sealant through the extrusion plate, bursting the sealing film by pressure, and sealing a gap between the door frame and the fireproof door through the smoke stop groove, so that the permeation of toxic gas and smoke is reduced;

s3, magnetic rubber at the outer side end of the fireproof door is mutually adsorbed, the diaphragm is melted by the high temperature of waste gas, the ignited suspended particles are adsorbed through adsorption fibers, and the peculiar smell generated by ignition is adsorbed by activated carbon in the adsorption balls.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) according to the scheme, the hollow glass bead is burnt and burst by open fire, an aluminum sulfate solution inside the hollow glass bead is leaked and is in contact reaction with a sodium hydroxide solution inside a storage cavity, and a large amount of foam is generated, an LDPE film in a U-shaped fire-blocking strip is melted, potassium phosphate particles reduce flammable liquid to be close to the open fire, carbon dioxide gas in a gas storage bag is expanded by high temperature, an expansion type fireproof sealant is extruded through an extrusion plate, a sealing film is burst by pressure, a gap between a door frame and a fireproof door is sealed through a smoke-stopping groove, accordingly, the permeation of toxic gas smoke is reduced, magnetic rubber at the outer side end of the fireproof door is mutually adsorbed, a diaphragm is melted by high temperature of waste gas, the burnt suspended particles are adsorbed through adsorption fibers, and the peculiar smell generated by burning is adsorbed by activated carbon inside the adsorption ball.

(2) The sealing device comprises a push rod, the lower end of the push rod is fixedly connected with a gas storage bag, carbon dioxide gas is filled in the gas storage bag, the upper end of the push rod is fixedly connected with an extrusion plate, the outer end of the extrusion plate is contacted with the inner wall of the storage cavity, the inner part of the storage cavity is filled with expansion type fireproof sealant, the expansion type fireproof sealant is positioned on the upper side of the extrusion plate, the upper end wall and the lower end wall of each pair of fireproof doors are both provided with smoke stopping grooves, the bottom end walls of the smoke stopping grooves are provided with through holes, sealing films are fixedly connected between the inner walls of the through holes, one ends of the through holes, far away from the smoke stopping grooves, are communicated with the storage cavity, the outer ends of the smoke stopping grooves correspond to the inner wall of a door frame, when the fireproof doors are burnt by naked fire, the outer ends and the inner parts of the fireproof, the expansion type fireproof sealant is extruded through the extrusion plate, the sealing film is burst under pressure, the expansion type fireproof sealant flows out of the smoke stop groove through the sealing film, and a gap between the doorframe and the fireproof door is sealed through the smoke stop groove, so that toxic gas smoke generated by open fire ignition is reduced from entering the other side of the fireproof door.

(3) The pair of fireproof doors are fixedly connected with magnetic rubber at the ends close to each other, a plurality of uniformly distributed grooves are formed in the ends close to each other of the pair of magnetic rubbers, adsorption balls are arranged inside the grooves, high-temperature-resistant fibers are fixedly connected between the adsorption balls and the bottom walls of the grooves, activated carbon is filled inside the adsorption balls, adsorption fibers are fixedly connected at the outer ends of the adsorption balls, diaphragms are fixed between the inner walls of the grooves and positioned on the right sides of the adsorption balls, when the pair of fireproof doors are closed, the magnetic rubbers at the outer side ends of the fireproof doors adsorb each other, the sealing performance between the pair of fireproof doors is improved, when toxic gas and peculiar smell generated by naked fire burning penetrate into gaps between the pair of fireproof doors, the diaphragms are melted by high temperature of waste gas, the burnt suspended particles are adsorbed by the adsorption fibers, the harm to personnel caused by the particles penetrating of the fireproof doors is reduced, and the peculiar smell generated by the, thereby reducing secondary damage to the staff.

(4) The inner wall fixedly connected with high temperature resistant rubber circle of door frame, high temperature resistant rubber circle and the outer end phase-match of preventing fire door, increase door frame and prevent the leakproofness between the fire door to improve the security of preventing fire door.

(5) Prevent fire door and adopt the thermoforming shaped steel to make, prevent that fire door's outer end is scribbled and is brushed the insulating layer to reduce the outer end that high temperature transmitted to prevent fire door and cause the scald to the personnel.

(6) The water guide wire is made of high-temperature alloy, the microcapsule color-changing particles are filled in the water guide wire, the water guide wire is not easily damaged by high temperature of combustion, and the fire behavior and the temperature are observed through the microcapsule color-changing particles after the fire disaster is over.

(7) The inner wall of the gas storage bag is filled with plastic particles, the outer end of the gas storage bag is provided with anti-slip lines, the ejector rod is effectively improved to slide at the internal temperature of the storage cavity, and the extrusion plate is enabled to uniformly extrude the expansion type fireproof sealant.

(8) Prevent fire door's outer end fixedly connected with handle, the outer end fixedly connected with skid resistant course of handle is convenient for timely open and close preventing fire door, improves the time of fleing.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

figure 2 is a side view cross-sectional structural schematic view of the fire rated door of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is a schematic structural view of a cross-section of the U-shaped flame retardant strip of the present invention in front elevation;

FIG. 5 is a schematic view of the cross-sectional structure of the magnetic rubber of the present invention;

FIG. 6 is an enlarged view of the structure at B in FIG. 5;

FIG. 7 is a front sectional view of the gas storage bag of the present invention.

The reference numbers in the figures illustrate:

1 door frame, 2 fireproof doors, 3U-shaped fire retardant strips, 4 smoke stopping grooves, 6 mounting grooves, 7 water guide wires, 8 magnetic rubber, 9 through holes, 10 storage cavities, 11 sodium hydroxide solution, 12 connecting pipes, 14 hollow glass beads, 15 aluminum sulfate solution, 16 ejector rods, 17 gas storage bags, 18 extrusion plates, 19 expansion type fireproof sealant, 20 sealing films, 21 potassium phosphate particles, 22 LDPE films, 23 grooves, 24 high temperature resistant fibers, 25 adsorption balls, 26 active carbon and 27 adsorption fibers.

Detailed Description

The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-2 and 4, a fire door with heat insulation and cooling functions comprises a door frame 1, a pair of fire doors 2 is rotatably connected between inner walls of the door frame 1, a plurality of uniformly distributed installation grooves 6 are cut at outer ends of the fire doors 2, a water guide wire 7 is fixedly connected between the installation grooves 6, hollow glass beads 14 are fixedly connected inside the installation grooves 6, an aluminum sulfate solution 15 is filled inside the hollow glass beads 14, a storage cavity 10 is cut inside the door frame 1, the storage cavity 10 is filled with a sodium hydroxide solution 11, a pair of connecting pipes 12 are fixedly connected inside the door frame 1, the pair of connecting pipes 12 are respectively positioned at two sides of the storage cavity 10, the storage cavity 10 is communicated with the installation grooves 6 through the connecting pipes 12, a U-shaped fire blocking strip 3 is fixedly connected at the upper end of the fire doors 2, an LDPE film 22 is fixedly connected between the inner walls of the U-shaped fire blocking strips 3, the potassium phosphate particles 21 are filled between the U-shaped fire-resistant strip 3 and the LDPE film 22, a pair of sealing devices are arranged inside the storage cavity 10 and are respectively positioned at the upper side and the lower side of the storage cavity 10, when an obvious fire source and high-temperature smoke exist outside, the fire source extends to the surface of the fireproof door 2, the hollow glass beads 14 explode after being burnt by open fire for a period of time, the aluminum sulfate solution 15 inside the hollow glass beads 14 leaks to be in contact with the sodium hydroxide solution 11 inside the storage cavity 10 and react to generate a large amount of foam, the foam uniformly covers the surface of the fireproof door 2 through the water guide wires 7 at the outer end of the mounting groove 6, so that the burning of the open fire to the fireproof door 2 is effectively isolated, when the open fire is close to the fireproof door 2, high temperature enters the U-shaped fire-resistant strip 3 along the fireproof door 2, the LDPE film 22 inside the U-shaped fire-resistant strip 3 is melted, and the potassium phosphate particles 21 fall from the U, covering the periphery of the fireproof door 2 to reduce the approach of flammable liquid and open fire.

Referring to fig. 1-3 and 7, the sealing device includes a top rod 16, a gas storage bag 17 is fixedly connected to the lower end of the top rod 16, carbon dioxide gas is filled in the gas storage bag 17, a pressing plate 18 is fixedly connected to the upper end of the top rod 16, the outer end of the pressing plate 18 contacts with the inner wall of the storage chamber 10, an expansion type fire-proof sealant 19 is filled in the storage chamber 10, the expansion type fire-proof sealant 19 is located on the upper side of the pressing plate 18, smoke-stopping grooves 4 are formed in the upper and lower end walls of a pair of fire doors 2, through holes 9 are formed in the bottom end walls of the smoke-stopping grooves 4, a sealing film 20 is fixedly connected between the inner walls of the through holes 9, one ends of the through holes 9 far away from the smoke-stopping grooves 4 are communicated with the storage chamber 10, the outer ends of the smoke-stopping grooves 4 correspond to the inner wall of the door frame 1, carbon dioxide gas in the gas storage bag 17 expands when meeting high temperature, the ejector rod 16 slides in the storage cavity 10 through the gas storage bag 17, the expansion type fireproof sealant 19 is extruded through the extrusion plate 18, the sealing film 20 is burst by pressure, the expansion type fireproof sealant 19 flows out to the inside of the smoke stop groove 4 through the sealing film 20, and a gap between the doorframe 1 and the fireproof door 2 is sealed through the smoke stop groove 4, so that toxic gas smoke generated by open fire burning is reduced from entering the other side of the fireproof door.

Referring to fig. 5-6, a pair of fire doors 2 are fixedly connected to magnetic rubber 8 at ends close to each other, a plurality of uniformly distributed grooves 23 are formed at ends close to each other of the pair of fire doors 2, adsorption balls 25 are disposed inside the grooves 23, high temperature resistant fibers 24 are fixedly connected between the adsorption balls 25 and bottom walls of the grooves 23, activated carbon 26 is filled inside the adsorption balls 25, adsorption fibers 27 are fixedly connected to outer ends of the adsorption balls 25, diaphragms are fixed between inner walls of the grooves 23 and positioned on right sides of the adsorption balls 25, when the fire doors 2 are closed, the magnetic rubber 8 at outer ends of the fire doors 2 are mutually adsorbed, so that the sealing performance between the fire doors 2 is improved, when toxic gas and peculiar smell generated by open fire burn permeate into gaps between the fire doors 2, the diaphragms are melted by high temperature of waste gas, and the burned suspended particles are adsorbed by the adsorption fibers 27, reduce the granule and permeate fire door 2 and cause the injury to the personnel, adsorb the peculiar smell that the inside active carbon 26 of ball 25 produced the firing and adsorb to reduce the secondary damage to the staff.

Please refer to fig. 1, the inner wall of the door frame 1 is fixedly connected with a high temperature resistant rubber ring, the high temperature resistant rubber ring is matched with the outer end of the fireproof door 2, the sealing performance between the door frame 1 and the fireproof door 2 is increased, thereby improving the safety of the fireproof door 2, the fireproof door 2 is made of thermal forming steel, the outer end of the fireproof door 2 is coated with a thermal insulation layer, thereby reducing the high temperature transmitted to the outer end of the fireproof door 2 to scald the personnel.

Referring to fig. 1 and 3, the water guiding filament 7 is made of high-temperature alloy, the inside of the water guiding filament 7 is filled with microcapsule color-changing particles, the water guiding filament 7 is not easily damaged by high temperature of combustion, the fire behavior and temperature are observed through the microcapsule color-changing particles after the fire disaster is over, the inner wall of the gas storage bag 17 is filled with plastic particles, the outer end of the gas storage bag 17 is provided with anti-slip lines, the sliding of the ejector rod 16 at the internal temperature of the storage cavity 10 is effectively improved, the extrusion plate 18 uniformly extrudes the intumescent fire-proof sealant 19, the outer end of the fire-proof door 2 is fixedly connected with a handle, the outer end of the handle is fixedly connected with an anti-slip layer, the fire-proof door 2 is conveniently and timely opened and closed, and the escape.

s1, when the hollow glass bead 14 is burnt and cracked by open fire, the aluminum sulfate solution 15 inside the hollow glass bead 14 leaks to be in contact with the sodium hydroxide solution 11 inside the storage cavity 10 to react and generate a large amount of foam, the LDPE film 22 in the U-shaped fire-resisting strip 3 is melted, and the potassium phosphate particles 21 reduce the possibility of flammable liquid approaching the open fire;

s2, expanding the carbon dioxide gas in the gas storage bag 17 when meeting high temperature, extruding the expansion type fireproof sealant 19 through the extrusion plate 18, bursting the sealing film 20 by pressure, and sealing the gap between the doorframe 1 and the fireproof door 2 through the smoke stop groove 4, thereby reducing the permeation of toxic gas and smoke;

s3, the magnetic rubber 8 at the outer side end of the fireproof door 2 is mutually adsorbed, the diaphragm is melted by the high temperature of the waste gas, the burnt suspended particles are adsorbed by the adsorption fiber 27, and the peculiar smell generated by burning is adsorbed by the activated carbon 26 in the adsorption ball 25.

The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.

Claims

1. The utility model provides a prevent fire door with thermal-insulated cooling function, includes door frame (1), its characterized in that: the fireproof door is characterized in that a pair of fireproof doors (2) is rotatably connected between the inner walls of the door frame (1), a plurality of uniformly distributed mounting grooves (6) are arranged at the outer ends of the fireproof doors (2) in a chiseled mode, a water guide wire (7) is fixedly connected between the mounting grooves (6), hollow glass beads (14) are fixedly connected inside the mounting grooves (6), aluminum sulfate solution (15) is filled inside the hollow glass beads (14), a storage cavity (10) is arranged inside the door frame (1) in a chiseled mode, sodium hydroxide solution (11) is filled inside the storage cavity (10), a pair of connecting pipes (12) are fixedly connected inside the door frame (1), the connecting pipes (12) are respectively located on two sides of the storage cavity (10), the storage cavity (10) is communicated with the mounting grooves (6) through the connecting pipes (12), and a U-shaped fire blocking strip (3) is fixedly connected to the upper ends of the fireproof doors, the improved fire-retardant storage tank is characterized in that an LDPE film (22) is fixedly connected between the inner walls of the U-shaped fire-retardant strips (3), potassium phosphate particles (21) are filled between the U-shaped fire-retardant strips (3) and the LDPE film (22), a pair of sealing devices are arranged inside the storage cavity (10), and the sealing devices are respectively located on the upper side and the lower side of the storage cavity (10).

2. The fire door with heat insulation and temperature reduction functions as claimed in claim 1, wherein: the sealing device comprises a top rod (16), a gas storage bag (17) is fixedly connected to the lower end of the top rod (16), carbon dioxide gas is filled in the gas storage bag (17), an extrusion plate (18) is fixedly connected to the upper end of the top rod (16), the outer end of the extrusion plate (18) is in contact with the inner wall of the storage cavity (10), an expansion type fireproof sealant (19) is filled in the storage cavity (10), the expansion type fireproof sealant (19) is located on the upper side of the extrusion plate (18), smoke stopping grooves (4) are formed in the upper end wall and the lower end wall of each pair of fireproof doors (2), through holes (9) are formed in the bottom end walls of the smoke stopping grooves (4), sealing thin films (20) are fixedly connected between the inner walls of the through holes (9), and one ends, far away from the smoke stopping grooves (4), of the through holes (9) are communicated with the storage cavity (10), the outer end of the smoke stop groove (4) corresponds to the inner wall of the door frame (1).

3. The fire door with heat insulation and temperature reduction functions as claimed in claim 1, wherein: it is a pair of prevent equal fixedly connected with magnetic rubber (8) of one end that fire door (2) are close to each other, it is a pair of recess (23) that a plurality of evenly distributed have all been dug to the one end that magnetic rubber (8) are close to each other, the inside of recess (23) is equipped with adsorbs ball (25), fixedly connected with high temperature resistant fibre (24) between adsorbing ball (25) and recess (23) diapire, the inside packing of adsorbing ball (25) has active carbon (26), the outer end fixedly connected with of adsorbing ball (25) adsorbs fibre (27), there is the diaphragm in fixed two between recess (23) inner wall, the diaphragm is located the right side of adsorbing ball (25).

4. The fire door with heat insulation and temperature reduction functions as claimed in claim 1, wherein: the inner wall fixedly connected with of door frame (1) is high temperature resistant rubber circle, high temperature resistant rubber circle and the outer end phase-match that prevents fire door (2).

5. The fire door with heat insulation and temperature reduction functions as claimed in claim 1, wherein: the fireproof door (2) is made of hot forming steel, and a heat insulation layer is coated at the outer end of the fireproof door (2).

6. The fire door with heat insulation and temperature reduction functions as claimed in claim 1, wherein: the water guide wire (7) is made of high-temperature alloy, and microcapsule color-changing particles are filled in the water guide wire (7).

7. The fire door with heat insulation and temperature reduction functions as claimed in claim 2, wherein: the inner wall of the gas storage bag (17) is filled with plastic particles, and anti-skid grains are chiseled at the outer end of the gas storage bag (17).

8. The fire door with heat insulation and temperature reduction functions as claimed in claim 1, wherein: the outer end fixedly connected with handle of preventing fire door (2), the outer end fixedly connected with skid resistant course of handle.

9. The fire door with heat insulation and temperature reduction functions according to any one of claims 1 to 8, characterized in that: the using method comprises the following steps:

s1, when the hollow glass beads (14) are burnt and burst by open fire, the aluminum sulfate solution (15) inside the hollow glass beads (14) leaks to be in contact with the sodium hydroxide solution (11) inside the storage cavity (10) to react and generate a large amount of foam, the LDPE film (22) in the U-shaped fire-retardant strips (3) is melted, and the potassium phosphate particles (21) reduce flammable liquid to be close to the open fire;

s2, expanding carbon dioxide gas in the gas storage bag (17) at high temperature, extruding the expansion type fireproof sealant (19) through the extrusion plate (18), bursting the sealing film (20) by pressure, and sealing a gap between the door frame (1) and the fireproof door (2) through the smoke stop groove (4), thereby reducing the permeation of toxic gas and smoke;

s3, the magnetic rubber (8) at the outer side end of the fireproof door (2) is mutually adsorbed, the diaphragm is melted by the high temperature of the waste gas, the burnt suspended particles are adsorbed by the adsorption fiber (27), and the peculiar smell generated by burning is adsorbed by the activated carbon (26) in the adsorption ball (25).