CN111472649A - Steel heat-insulation fireproof door leaf - Google Patents
Steel heat-insulation fireproof door leaf Download PDFInfo
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- CN111472649A CN111472649A CN202010280166.9A CN202010280166A CN111472649A CN 111472649 A CN111472649 A CN 111472649A CN 202010280166 A CN202010280166 A CN 202010280166A CN 111472649 A CN111472649 A CN 111472649A
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- door leaf
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- steel
- storage tank
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/30—Coverings, e.g. protecting against weather, for decorative purposes
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
- A62C37/10—Releasing means, e.g. electrically released
- A62C37/11—Releasing means, e.g. electrically released heat-sensitive
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a steel heat-insulation fireproof door leaf which comprises a door leaf, wherein the door leaf comprises a frame and a steel skin, and a filling cavity is formed between the frame and the steel skin; the steam generating mechanism comprises a water storage tank, heat conducting fins are arranged outside the water storage tank and connected with the water storage tank and the metal skin, the water storage tank is connected with an air guide pipe, and an air guide check valve is arranged on the air guide pipe; the pressurizing spraying mechanism comprises a pressurizing cylinder, a piston body is connected in the pressurizing cylinder in a sealing sliding mode, the piston body divides the pressurizing cylinder into an upper cavity and a lower cavity, the upper cavity is communicated with the air guide pipe, fire extinguishing liquid is filled in the lower cavity, the lower cavity is connected with a high-pressure hose, a pressure release valve is arranged on the high-pressure hose, the high-pressure hose is connected with a front flow dividing pipe and a rear flow dividing pipe, and the front flow dividing pipe and the rear flow dividing pipe are respectively connected with the water mist. Through the arrangement, when a fire source approaches the door leaf, corresponding fire extinguishing operation can be automatically carried out, and the temperature around the door leaf is reduced, so that the door leaf has good heat insulation and fire prevention effects.
Description
Technical Field
The invention relates to the field of fireproof doors, in particular to a steel heat-insulation fireproof door leaf.
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. It is a fire-proof partition with certain fire resistance, which is arranged in fire-proof subareas, evacuation staircases, vertical shafts and the like. The fireproof door has the functions of a common door, has the functions of preventing the fire from spreading and the smoke from diffusing, and can prevent the fire from spreading within a certain time to ensure the evacuation of people.
The steel fireproof door is a door which is made of steel materials, is provided with a door frame, a door leaf framework and a door leaf panel, is filled with fireproof heat-insulating materials which are nontoxic and harmless to a human body if the materials are filled in the door leaf, and is matched with fireproof hardware fittings, and has the specified fireproof performance.
The performance of the existing steel fire door is generally limited by the performance of the fire-proof and heat-insulating material in the door leaf, and therefore, the improvement of the performance of the steel fire door is correspondingly limited.
If the bulletin number is an internally-filled steel fireproof door, the second layer of silicon rubber coated glass fiber cloth is wrapped by fireproof mud which takes organic synthetic resin as an adhesive and is added with a fireproof agent and filler and has a cuboid structure formed by rolling, the second layer of silicon rubber coated glass fiber cloth is piled up by taking natural igneous rock as a main raw material, and is fused at high temperature, cotton made by a centrifugal method takes thermosetting resin as a flame-retardant plate produced by taking the thermosetting resin as a binder, the flame-retardant plate is fixed by wrapping the first layer of silicon rubber coated glass fiber cloth, the steel door body is wrapped outside the first layer of silicon rubber coated glass fiber cloth by pressing, and fireproof paint is coated outside the steel door body. This fire door is prevented to intussuseption steel adopts at steel door body lateral surface coating fire prevention paint and the first layer silicon rubber coating glass fiber cloth of inside packing, fire-retardant board, second floor silicon rubber coating glass fiber cloth and fire prevention mud carries out the separation to the burning things which may cause a fire disaster, and overall structure is simple, and preparation simple process, the fire prevention effect is good.
Although the steel fireproof door is optimized through the filling material, the fireproof and heat insulation effects are improved, the lifting degree is limited at that time, and further improvement is needed.
Disclosure of Invention
The invention aims to provide a steel heat-insulation fireproof door leaf, which can automatically perform corresponding fire extinguishing operation when a fire source approaches the door leaf, and reduce the temperature around the door leaf, so that the door leaf has good heat-insulation and fireproof effects.
In order to achieve the purpose, the invention provides the following technical scheme: a steel heat-insulation fireproof door leaf comprises a door leaf, wherein the door leaf comprises a frame, a steel skin is arranged on the frame, a filling cavity is formed between the frame and the steel skin, a steam generation structure and a pressurization spraying structure are further arranged in the filling cavity, and a heat-insulation material is further filled in the filling cavity;
the steam generating mechanism comprises a water storage tank positioned in the filling cavity, heat conducting fins are uniformly arranged outside the water storage tank and in the space in the filling cavity, the heat conducting fins are connected with the water storage tank, two sides of each heat conducting fin are connected with the metal skin, the uppermost part of the water storage tank is connected with an air guide pipe, and the air guide pipe is provided with an air guide one-way valve for enabling air flow to flow out of the water storage tank;
the pressure boost sprays the mechanism include with the pressure boost section of thick bamboo that the air duct is connected, the sealed sliding connection has a piston body in the pressure boost section of thick bamboo, the piston body will upper chamber and lower cavity are cut apart into to the pressure boost section of thick bamboo, the upper chamber with the air duct intercommunication, the cavity intussuseption is filled with the liquid of putting out a fire down, the lower of cavity is connected with high-pressure hose down, be provided with the relief valve on the high-pressure hose, high-pressure hose is connected with preceding shunt tubes and back shunt tubes, preceding shunt tubes and back shunt tubes respectively with be located two big fine water smoke shower nozzles that set up on the.
Through the technical scheme, when a fire source is close to the door leaf, the fire source heats water in the water storage tank through the heat conduction effect of the heat conduction surface and the steel skin, and the process can play a role in fire prevention because the water can absorb heat; the water after the heating becomes vapor, and ice passes through air duct and air guide check valve, has entered into the last cavity of a pressurization section of thick bamboo, because the continuous accumulation of vapor, vapor constantly produces pressure to the piston body, after the increase of equal pressure to a certain degree, the relief valve is opened, then the liquid of putting out a fire flows to thin water smoke shower nozzle department through preceding shunt tubes and back shunt tubes to through thin water smoke shower nozzle blowout high pressure thin water smoke, thin water smoke has following effect: a. the high-pressure water mist can be quickly evaporated into water vapor, and a large amount of heat is absorbed in the evaporation process, so that the temperature near the door leaf can be greatly reduced; b. the water mist is vaporized to form water vapor with the original volume of 1680 time after being heated rapidly, and a barrier is formed around the combustion object so as to isolate oxygen and stop combustion; c. the fine water mist is quickly vaporized to form an atomizing space, so that thermal radiation can be well isolated; from the above, the water mist has good fireproof and heat insulation effects; the arrangement of the heat conduction fins can not only play a good role in heat conduction, but also play a certain role in strengthening the structure of the whole door leaf, and enhance the strength of the door leaf in a high-temperature state.
Preferably, the frame is provided with a mounting hole for mounting the water mist spray head, the water mist spray head is located in the mounting hole, the mounting hole is clamped with a cover, and the cover is opened by impact when the water mist spray head works.
Through above-mentioned technical scheme, through lid and mounting hole, under the condition that does not take place the conflagration, thin water smoke shower nozzle can hide the setting in the mounting hole to guarantee thin water smoke shower nozzle can not blockked up by debris such as dust, and the guarantee conflagration comes to work normally temporarily.
Preferably, the water storage tank is uniformly provided with heat conducting fins.
Through the technical scheme, the heat conducting fins have a good heat conducting effect, and meanwhile, the contact area between personnel and water is increased, so that the heat conducting efficiency is increased, and the pressure condition is favorably and quickly realized.
Preferably, the front shunt tube and the rear shunt tube are respectively provided with an inductive switch for judging the position of the fire source, the inductive switch comprises a heat conduction bag arranged on a steel skin, sodium bicarbonate is arranged in the heat conduction bag, the heat conduction bag is connected with a conduit, the conduit is connected with a switch piston cylinder, the switch piston cylinder is perpendicular to and connected with the front shunt tube or the rear shunt tube, a piston block is arranged in the switch piston cylinder, a communication hole is formed in the piston block, a compression spring is arranged between the piston block and the piston block, the communication hole is not communicated under the action of the compression spring in an initial state, and the piston block is communicated under the action of air pressure of gas generated by the heat conduction bag.
Through the technical scheme, the sodium bicarbonate in the heat conducting bag on the side, close to the fire source, of the door leaf is preferentially decomposed, meanwhile, the sodium bicarbonate starts to be gradually decomposed at the temperature of more than 50 ℃ to generate sodium carbonate, carbon dioxide and water, and is completely decomposed at the temperature of 270 ℃, so that good induction can be performed on a heat source, the decomposed carbon dioxide can cause the pressure in the switch piston cylinder to be increased, the piston block overcomes the spring to move under the action of gas pressure until the communicating pipe is communicated with the front shunt pipe or the shunt pipe, and the switch action is completed at the moment; the induction switch is arranged, so that the phenomenon of fire extinguishing liquid waste caused by simultaneous opening of the water mist nozzles on two sides of the door can be avoided, and the fire source is subjected to targeted water mist spraying.
Preferably, the pressure relief valve opens at greater than 10 MPa.
Through the technical scheme, the larger the pressure is, the smaller the formed fine water mist particles are, so that the larger the contact area between the fine water mist and air is, and the better the fire extinguishing effect is.
Preferably, the fire extinguishing liquid is water or a mixed liquid of water and foam concentrate.
Through above-mentioned technical scheme, above two water have with low costs advantage, and the mixed liquid of water and foam concentrate has the advantage that the fire control effect is good, and the two can be selected according to actual need and use.
Preferably, the water mist spray head is arranged to be inclined upwards at an angle of 45 degrees.
Through the technical scheme, the formed water mist can be ensured to be treated in the air for a longer time, and the water mist is gasified into water vapor in time, so that a better fire extinguishing effect is achieved.
Compared with the prior art, the invention has the beneficial effects that:
(1) when the fire source is close to the door leaf, the fire source heats water in the water storage tank through the heat conduction effect of the heat conduction surface and the steel skin, and the process can play a role in fire prevention as the water can absorb heat;
(2) the heated water is changed into steam, so that the fire extinguishing liquid is pressurized, and high-pressure water mist is sprayed out through the water mist spray head, and the water mist has the following effects: a. the high-pressure water mist can be quickly evaporated into water vapor, and a large amount of heat is absorbed in the evaporation process, so that the temperature near the door leaf can be greatly reduced; b. the water mist is vaporized to form water vapor with the original volume of 1680 time after being heated rapidly, and a barrier is formed around the combustion object so as to isolate oxygen and stop combustion; c. the fine water mist is quickly vaporized to form an atomizing space, so that thermal radiation can be well isolated; from the above, the water mist has good fireproof and heat insulation effects;
(3) the sodium bicarbonate in the heat conducting bag on the side, close to the fire source, of the door leaf is preferentially decomposed, meanwhile, the sodium bicarbonate starts to be gradually decomposed at the temperature of more than 50 ℃ to generate sodium carbonate, carbon dioxide and water, and the sodium bicarbonate is completely decomposed at the temperature of 270 ℃, so that good induction can be carried out on a heat source, the decomposed carbon dioxide can cause the pressure in the switch piston cylinder to be increased, the piston block overcomes the spring to move under the action of the gas pressure until the communicating pipe is communicated with the front shunt pipe or the shunt pipe, and the switch action is completed at the moment;
(4) the induction switch is arranged, so that the phenomenon of fire extinguishing liquid waste caused by the simultaneous opening of the water mist nozzles on the two sides of the door can be avoided, and the fire source is subjected to targeted water mist spraying;
(5) through lid and mounting hole, under the condition that does not take place the conflagration, thin water smoke shower nozzle can hide the setting in the mounting hole to guarantee thin water smoke shower nozzle can not blockked up by debris such as dust, and the guarantee conflagration comes to be can normally work temporarily.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic view of a water mist head according to the present invention;
fig. 4 is a schematic structural diagram of the inductive switch of the present invention.
In the figure: 1. a door leaf; 2. a frame; 3. steel skin; 4. filling the cavity; 5. a thermal insulation material; 6. a water storage tank; 7. heat conducting fins; 8. an air duct; 9. an air guide one-way valve; 10. a pressurizing cylinder; 11. a piston body; 12. an upper cavity; 13. a lower cavity; 14. a fire extinguishing liquid; 15. a high pressure hose; 16. a pressure relief valve; 17. a front shunt tube; 18. a rear shunt tube; 19. a water mist spray head; 20. mounting holes; 21. a cover; 22. a heat conductive sheet; 23. a thermally conductive bladder; 24. sodium bicarbonate; 25. a conduit; 26. a switch piston cylinder; 27. a piston block; 28. a communicating hole; 29. compressing the spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an embodiment of the present invention is shown:
the utility model provides a thermal-insulated fire prevention door leaf of steel 1, includes door leaf 1, and door leaf 1 includes frame 2, is provided with steel covering 3 on the frame 2, forms between frame 2 and the steel covering 3 and fills chamber 4, still is provided with steam generation structure and pressure boost in filling chamber 4 and sprays the structure, still fills in filling chamber 4 and has thermal insulation material 5.
Steam generation mechanism is including being located the storage water tank 6 that fills the chamber 4, and storage water tank 6 is outer and evenly is provided with heat conduction fin 7 in the space in filling chamber 4, and heat conduction fin 7 is connected with storage water tank 6, and the both sides of heat conduction fin 7 are connected with the metal covering, and the top of storage water tank 6 is connected with air duct 8, is provided with on the air duct 8 and makes the air current follow the air guide check valve 9 that flows out in the storage water tank 6. The water storage tank 6 is uniformly provided with heat conducting fins 22. The heat conducting sheet 22 has a good heat conducting effect, and the heat conducting sheet 22 increases the contact area between a person and water, so that the heat conducting efficiency is increased, and the pressure condition is favorably and quickly realized.
The pressurizing spraying mechanism comprises a pressurizing cylinder 10 connected with an air duct 8, a piston body 11 is connected in the pressurizing cylinder 10 in a sealing and sliding mode, the piston body 11 divides the pressurizing cylinder 10 into an upper cavity 12 and a lower cavity 13, the upper cavity 12 is communicated with the air duct 8, fire extinguishing liquid 14 is filled in the lower cavity 13, the lowest position of the lower cavity 13 is connected with a high-pressure hose 15, and a pressure release valve 16 is arranged on the high-pressure hose 15. The pressure relief valve 16 opens at greater than 10 MPa. The larger the pressure is, the smaller the formed water mist particles are, and the larger the contact area of the water mist and the air is, the better the fire extinguishing effect is. The high-pressure hose 15 is connected with a front shunt pipe 17 and a rear shunt pipe 18, and the front shunt pipe 17 and the rear shunt pipe 18 are respectively connected with water mist spray nozzles 19 arranged on two large surfaces of the door leaf 1.
When a fire source approaches the door leaf 1, the fire source heats water in the water storage tank 6 through the heat conduction effect of the heat conduction surface and the steel skin 3, and the process can play a role in fire prevention as the water can absorb heat; the water after the heating becomes vapor, and ice passes through air duct 8 and air guide check valve 9, has entered into in the upper cavity 12 of a pressurization section of thick bamboo 10, because the continuous accumulation of vapor, vapor is to piston body 11 continuous production pressure, wait the pressure increase to a certain degree after, relief valve 16 opens, then fire-extinguishing liquid 14 flows to water mist shower nozzle 19 department through preceding shunt tubes 17 and back shunt tubes 18 to through the thin water mist shower nozzle 19 blowout high pressure thin water mist, thin water mist has following effect: a. the high-pressure water mist can be quickly evaporated into water vapor, and a large amount of heat is absorbed in the evaporation process, so that the temperature near the door leaf 1 can be greatly reduced; b. the water mist is vaporized to form water vapor with the original volume of 1680 time after being heated rapidly, and a barrier is formed around the combustion object so as to isolate oxygen and stop combustion; c. the fine water mist is quickly vaporized to form an atomizing space, so that thermal radiation can be well isolated; from the above, the water mist has good fireproof and heat insulation effects; the arrangement of the heat conducting fins 7 not only can play a good role in heat conduction, but also can play a certain role in strengthening the structure of the whole door leaf 1, and can enhance the strength of the door leaf 1 in a high-temperature state.
The frame 2 is provided with a mounting hole 20 for mounting the water mist spray head 19, the water mist spray head 19 is positioned in the mounting hole 20, a cover 21 is clamped on the mounting hole 20, and the cover 21 is opened by impact when the water mist spray head 19 works. Through lid 21 and mounting hole 20, under the condition that does not have the conflagration to take place, thin water smoke shower nozzle 19 can hide the setting in mounting hole 20 to guarantee that thin water smoke shower nozzle 19 can not be blockked up by debris such as dust, guarantee conflagration comes to be can normally work temporarily. The water mist head 19 is arranged at an angle of 45 ° obliquely upward. The formed water mist can be ensured to be kept for a longer time in the air, and the water mist is gasified into steam in time, so that the fire extinguishing effect is better achieved.
The front shunt pipe 17 is provided with an inductive switch for judging the direction of a fire source, as shown in fig. 4, the inductive switch of the rear shunt pipe 18 has the same structure as that of fig. 4, the inductive switch comprises a heat conduction bag 23 arranged on the steel skin 3, sodium bicarbonate 24 is arranged in the heat conduction bag 23, the heat conduction bag 23 is connected with a conduit 25, the conduit 25 is connected with a switch piston cylinder 26, the switch piston cylinder 26 is perpendicular to and connected with the front shunt pipe 17 or the rear shunt pipe 18, a piston block 27 is arranged in the switch piston cylinder 26, a communication hole 28 is arranged on the piston block 27, a compression spring 29 is arranged between the piston block 27 and the piston block 27, the communication hole 28 is not communicated under the action of the compression spring 29 in an initial state, and the piston block 27 is communicated under the air pressure action.
The sodium bicarbonate 24 in the heat conducting bag 23 on the side of the door leaf 1 close to the fire source is decomposed preferentially, meanwhile, the sodium bicarbonate 24 starts to be decomposed gradually at the temperature of more than 50 ℃ to generate sodium carbonate, carbon dioxide and water, and the sodium bicarbonate is completely decomposed at the temperature of 270 ℃, so that good induction can be carried out on a heat source, the decomposed carbon dioxide can cause the pressure in the switch piston cylinder 26 to be increased, the piston block 27 overcomes the spring to move under the action of the gas pressure until the communicating pipe is communicated with the front shunt pipe 17 or the shunt pipe, and the switch action is finished at the moment; the induction switch is arranged, so that the phenomenon of waste of fire extinguishing liquid 14 caused by simultaneous opening of the water mist nozzles 19 on the two sides of the door can be avoided, and the fire source is subjected to targeted water mist spraying.
In this embodiment, the fire-extinguishing liquid 14 is water or a mixture of water and a foam concentrate. The water and the foam concentrate have the advantage of low cost, the mixed liquid of the water and the foam concentrate has the advantage of good fire extinguishing effect, and the water and the foam concentrate can be selected for use according to actual needs.
In conclusion, the beneficial effects of the invention are as follows: (1) when a fire source approaches the door leaf 1, the fire source heats water in the water storage tank 6 through the heat conduction effect of the heat conduction surface and the steel skin 3, and the process can play a role in fire prevention as the water can absorb heat; (2) the heated water is changed into steam, so that the fire extinguishing liquid 14 is pressurized, and high-pressure water mist is sprayed out through the water mist spray head 19, and the water mist has the following functions: a. the high-pressure water mist can be quickly evaporated into water vapor, and a large amount of heat is absorbed in the evaporation process, so that the temperature near the door leaf 1 can be greatly reduced; b. the water mist is vaporized to form water vapor with the original volume of 1680 time after being heated rapidly, and a barrier is formed around the combustion object so as to isolate oxygen and stop combustion; c. the fine water mist is quickly vaporized to form an atomizing space, so that thermal radiation can be well isolated; from the above, the water mist has good fireproof and heat insulation effects; (3) the sodium bicarbonate 24 in the heat conducting bag 23 on the side of the door leaf 1 close to the fire source is decomposed preferentially, meanwhile, the sodium bicarbonate 24 starts to be decomposed gradually at the temperature of more than 50 ℃ to generate sodium carbonate, carbon dioxide and water, and the sodium bicarbonate is completely decomposed at the temperature of 270 ℃, so that good induction can be carried out on a heat source, the decomposed carbon dioxide can cause the pressure in the switch piston cylinder 26 to be increased, the piston block 27 overcomes the spring to move under the action of the gas pressure until the communicating pipe is communicated with the front shunt pipe 17 or the shunt pipe, and the switch action is finished at the moment; (4) the induction switch is arranged, so that the phenomenon of waste of the fire extinguishing liquid 14 caused by the simultaneous opening of the water mist nozzles 19 on the two sides of the door can be avoided, and the fire source is subjected to targeted water mist spraying; (5) through lid 21 and mounting hole 20, under the condition that does not have the conflagration to take place, thin water smoke shower nozzle 19 can hide the setting in mounting hole 20 to guarantee that thin water smoke shower nozzle 19 can not be blockked up by debris such as dust, guarantee conflagration comes to be can normally work temporarily.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a thermal-insulated fire prevention door leaf of steel (1), its characterized in that: the door comprises a door leaf (1), wherein the door leaf (1) comprises a frame (2), a steel skin (3) is arranged on the frame (2), a filling cavity (4) is formed between the frame (2) and the steel skin (3), a steam generation structure and a pressurization spraying structure are further arranged in the filling cavity (4), and a heat insulation material (5) is further filled in the filling cavity (4);
the steam generating mechanism comprises a water storage tank (6) positioned in the filling cavity (4), heat conducting fins (7) are uniformly arranged outside the water storage tank (6) and in a space in the filling cavity (4), the heat conducting fins (7) are connected with the water storage tank (6), two sides of each heat conducting fin (7) are connected with the metal skin, the uppermost part of the water storage tank (6) is connected with an air duct (8), and an air guide one-way valve (9) enabling air flow to flow out of the water storage tank (6) is arranged on the air duct (8);
the pressure boost sprays the mechanism include with a pressurization section of thick bamboo (10) that air duct (8) are connected, a pressurization section of thick bamboo (10) inner seal sliding connection has piston body (11), piston body (11) will a pressurization section of thick bamboo (10) are cut apart into upper chamber (12) and lower cavity (13), upper chamber (12) with air duct (8) intercommunication, cavity (13) intussuseption is filled with fire-extinguishing liquid (14) down, the lowest of cavity (13) is connected with high-pressure hose (15) down, be provided with relief valve (16) on high-pressure hose (15), high-pressure hose (15) are connected with preceding shunt tubes (17) and back shunt tubes (18), preceding shunt tubes (17) and back shunt tubes (18) respectively with be located two big water mist shower nozzles (19) that set up on the surface of door leaf (1) are connected.
2. A steel heat-insulating fire door leaf (1) according to claim 1, characterised in that: be provided with on frame (2) and be used for the installation mounting hole (20) of thin water smoke shower nozzle (19), thin water smoke shower nozzle (19) are located in mounting hole (20), the joint has lid (21) on mounting hole (20), lid (21) are in thin water smoke shower nozzle (19) during operation is strikeed and is opened.
3. A steel heat-insulating fire door leaf (1) according to claim 1, characterised in that: the water storage tank (6) is uniformly provided with heat conducting fins (22).
4. A steel heat-insulating fire door leaf (1) according to claim 1, characterised in that: the fire source detection device is characterized in that the front shunt pipe (17) and the rear shunt pipe (18) are respectively provided with an inductive switch for judging the position of a fire source, the inductive switch comprises a heat conduction bag (23) arranged on a steel skin (3), sodium bicarbonate (24) is arranged in the heat conduction bag (23), the heat conduction bag (23) is connected with a conduit (25), the conduit (25) is connected with a switch piston cylinder (26), the switch piston cylinder (26) is perpendicular to and connected with the front shunt pipe (17) or the rear shunt pipe (18), a piston block (27) is arranged in the switch piston cylinder (26), a communication hole (28) is arranged on the piston block (27), a compression spring (29) is arranged between the piston block (27) and the piston block (27), and the communication hole (28) is not communicated under the action of the compression spring (29) in the initial state, the piston block (27) is communicated under the air pressure of the gas generated by the heat conducting bag (23).
5. A steel heat-insulating fire door leaf (1) according to claim 1, characterised in that: the pressure relief valve (16) opens at greater than 10 MPa.
6. A steel heat-insulating fire door leaf (1) according to claim 1, characterised in that: the fire extinguishing liquid (14) is water or a mixed liquid of water and foam concentrate.
7. A steel heat-insulating fire door leaf (1) according to claim 1, characterised in that: the water mist spray head (19) is arranged to be inclined upwards at an angle of 45 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010280166.9A CN111472649A (en) | 2020-04-10 | 2020-04-10 | Steel heat-insulation fireproof door leaf |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010280166.9A CN111472649A (en) | 2020-04-10 | 2020-04-10 | Steel heat-insulation fireproof door leaf |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111472649A true CN111472649A (en) | 2020-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010280166.9A Pending CN111472649A (en) | 2020-04-10 | 2020-04-10 | Steel heat-insulation fireproof door leaf |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111472649A (en) |
Cited By (10)
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|---|---|---|---|---|
| CN111963029A (en) * | 2020-08-21 | 2020-11-20 | 周倩倩 | Fireproof door plate with cooling and heat insulation functions |
| CN112431534A (en) * | 2020-11-20 | 2021-03-02 | 湖南盈达门业有限公司 | Smoke-isolating fireproof door |
| CN112431533A (en) * | 2020-11-20 | 2021-03-02 | 湖南盈达门业有限公司 | Smoke blocking type fireproof door |
| CN112643865A (en) * | 2020-12-23 | 2021-04-13 | 台州东部建材科技有限公司 | Steam curing equipment for concrete prefabricated part and using method |
| CN112854982A (en) * | 2021-01-12 | 2021-05-28 | 重庆吉银装饰材料有限公司 | Prevent fire door with function of putting out a fire |
| CN112957644A (en) * | 2021-02-03 | 2021-06-15 | 张春富 | Unattended gas collecting station monitoring device and monitoring method |
| CN113303688A (en) * | 2021-06-30 | 2021-08-27 | 浙江明鼎玻璃科技有限公司 | Shower room glass sliding door |
| CN114320118A (en) * | 2021-11-18 | 2022-04-12 | 重庆祥格家居有限公司 | Fire-extinguishing door for high building |
| CN115288587A (en) * | 2022-07-28 | 2022-11-04 | 来安县佳美建材有限公司 | Multifunctional steel door and manufacturing method of frame thereof |
| CN117449743A (en) * | 2023-11-02 | 2024-01-26 | 安徽弘飞新型建材科技有限公司 | Active fireproof heat-insulating intelligent door plate and production process |
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| CN205895071U (en) * | 2016-07-27 | 2017-01-18 | 天津市森奥门窗有限公司 | Steel insulates against heat and prevents fire door |
| CN207080129U (en) * | 2017-07-05 | 2018-03-09 | 深圳市龙电科技实业有限公司 | A kind of fire-proof wooden door |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963029A (en) * | 2020-08-21 | 2020-11-20 | 周倩倩 | Fireproof door plate with cooling and heat insulation functions |
| CN112431534B (en) * | 2020-11-20 | 2021-08-10 | 湖南盈达门业有限公司 | Smoke-isolating fireproof door |
| CN112431534A (en) * | 2020-11-20 | 2021-03-02 | 湖南盈达门业有限公司 | Smoke-isolating fireproof door |
| CN112431533A (en) * | 2020-11-20 | 2021-03-02 | 湖南盈达门业有限公司 | Smoke blocking type fireproof door |
| CN112643865A (en) * | 2020-12-23 | 2021-04-13 | 台州东部建材科技有限公司 | Steam curing equipment for concrete prefabricated part and using method |
| CN112854982A (en) * | 2021-01-12 | 2021-05-28 | 重庆吉银装饰材料有限公司 | Prevent fire door with function of putting out a fire |
| CN112957644A (en) * | 2021-02-03 | 2021-06-15 | 张春富 | Unattended gas collecting station monitoring device and monitoring method |
| CN112957644B (en) * | 2021-02-03 | 2022-01-28 | 张春富 | Unattended gas collecting station monitoring device and monitoring method |
| CN113303688A (en) * | 2021-06-30 | 2021-08-27 | 浙江明鼎玻璃科技有限公司 | Shower room glass sliding door |
| CN114320118A (en) * | 2021-11-18 | 2022-04-12 | 重庆祥格家居有限公司 | Fire-extinguishing door for high building |
| CN115288587A (en) * | 2022-07-28 | 2022-11-04 | 来安县佳美建材有限公司 | Multifunctional steel door and manufacturing method of frame thereof |
| CN117449743A (en) * | 2023-11-02 | 2024-01-26 | 安徽弘飞新型建材科技有限公司 | Active fireproof heat-insulating intelligent door plate and production process |
| CN117449743B (en) * | 2023-11-02 | 2024-06-21 | 安徽弘飞新型建材科技有限公司 | Active fireproof heat-insulating intelligent door plate and production process |
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Application publication date: 20200731 |