CN113027308A - Large steel heat-insulation fireproof door capable of enhancing fire resistance integrity - Google Patents

Abstract

The application relates to a large steel heat-insulation fireproof door with enhanced fire resistance integrity, which comprises a door plate and a water cooling system, wherein the door plate comprises a door frame and a door leaf, the door frame and the door leaf are made of heat-resistant steel, a cavity which is distributed in a roundabout manner is concavely arranged in the door leaf, two groups of water injection ports which are distributed up and down are arranged on the vertical edge of one side of the door leaf in the cavity, and the two groups of water injection ports face the hinged end of the door leaf and; the water cooling system comprises two groups of steel pipes which are embedded in the wall body and arranged up and down, connecting pipes which are in sealed insertion connection with the water injection ports of the groups, and hoses which are used for connecting the connecting pipes and the steel pipes. This application has realized preventing fire door cooling under fire hazard environment through water-cooled mode, so when the conflagration breaing out, prevent fire door because of the defeated water cooling that lasts of water cooling system, make the temperature of preventing fire door be in controllable within range all the time, make the fire-resistant integrality performance of preventing fire door promote, prevent that fire door keeps structural integrity's time by the extension, and then has promoted the protection to indoor lives and property safety when the conflagration takes place.

Description

Large steel heat-insulation fireproof door capable of enhancing fire resistance integrity

Technical Field

The present application relates to the field of fire doors, and more particularly to a large steel heat insulating fire door with enhanced fire integrity.

Background

A fire door is a door that can meet the requirements of fire stability, integrity and thermal insulation within a certain period of time. The fire-proof partition is generally arranged in places such as fire-proof subareas, evacuation staircases, vertical shafts and the like, has certain fire-proof performance, has the functions of preventing fire spreading and smoke diffusion, can prevent the fire spreading within a certain time and ensures personnel evacuation. The steel fireproof door is characterized in that a door frame, a door leaf framework and a door leaf panel are made of steel materials, if materials are filled in the door leaf, fireproof heat insulation materials which are nontoxic and harmless to a human body are filled in the door leaf, and a door which is formed by matching fireproof hardware fittings and has the specified fireproof performance is formed.

Integrity of fire resistance: the ability of a building partition element to prevent the penetration of flames and hot gases or the appearance of flames on a backfire surface for a period of time when one surface is exposed to a fire under standard fire test conditions. The limit of fire resistance is the time, expressed in hours, from when a fire has acted to when the support is lost or the integrity is destroyed or the fire barrier is lost, when the fire resistance test is carried out on any building element according to a standard curve of time and temperature. The existing fireproof doors are divided into different grades according to the fireproof requirements, equipment rooms (steel bottle rooms, foam stations and the like) for fixing fire extinguishing devices are arranged in high-rise civil buildings in an attached mode, and partition walls of ventilation and air conditioning machine rooms and the like are made of first-grade fireproof doors; a class A fireproof door is adopted for a door on a partition wall of a basement room where people often stay or combustible materials are more; because of the limitation of conditions, a boiler for burning oil and gas, a power transformer for soaking combustible oil in oil, a high-voltage capacitor filled with combustible oil, a switch and the like must be arranged in a high-rise building, and a first-class fireproof door is adopted for a door on a special partition wall; and the special-requirement fire-proof individual door is designed, such as the individual door of a fire-fighting monitoring command center, a file data room, a valuable goods warehouse and the like, and a class A or class B fire-proof door is usually selected.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: the new standard of fire door GB12955-2008, 4.5.1.2 stipulates that the fire door is divided into three grades of A, B and C, and the fire resistance and heat insulation performance and the fire resistance integrity of the fire door are more than or equal to the following numerical values: the grade A should be 1.50 h; the second grade should be 1.0 h; the third grade is 0.5h, when the existing fireproof door encounters a serious fire accident, the time length of the fireproof door for keeping the fireproof integrity is still short, the safety of life and property in a building room is not guaranteed, and therefore an improved space exists.

Disclosure of Invention

In order to promote the time length that prevents that fire door keeps fire-resistant integrality, to the protection of indoor life and property safety when promoting the conflagration to take place, this application provides the thermal-insulated fire door of large-scale steel of reinforcing fire-resistant integrality.

The application provides a large-scale steel heat-insulating fireproof door of reinforcing fire-resistant integrality adopts following technical scheme:

the large steel heat-insulation fireproof door capable of enhancing fire resistance integrity comprises a door plate and a water cooling system, wherein the door plate comprises a door frame and a door leaf hinged with the door frame, the door frame and the door leaf are made of heat-resistant steel materials, a cavity distributed in a roundabout manner is concavely arranged in the door leaf, two groups of water injection ports distributed up and down are formed in the vertical edge of one side of the door leaf of the cavity, and the two groups of water injection ports face to the hinged end of the door leaf and the door frame; the water cooling system comprises two groups of steel pipes which are embedded in the wall body and arranged up and down, connecting pipes which are in sealed insertion connection with the water injection ports of the groups, and hoses which are connected with the connecting pipes and the steel pipes.

By adopting the technical scheme, the door plate in the fireproof door is hinged with the door frame, the door plate rotates around the door frame, so that the fireproof door can be normally opened, the inside of the door plate is concavely provided with the cavities distributed in a circuitous way, the upper end and the lower end of each cavity are communicated with the outside through the two groups of water injection ports distributed up and down, meanwhile, the water cooling system comprises two groups of steel pipes which are pre-embedded in the wall body, and a connecting pipe and a hose which are hermetically connected with the upper water injection port and the lower water injection port, the upper group of steel pipes and the lower group of steel pipes are pre-embedded in the wall body, a water body is conveyed in the steel pipes, the water body continuously passes through the hose and the connecting pipe to enter the cavity of the door plate through the upper end, when a fire disaster occurs indoors or outdoors, the temperature of the fireproof door is continuously increased due to the influence of the fire disaster, the, the water body continuously flows back to the interior of the steel pipe at the lowest end through the connecting pipe and the hose through the water injection port at the lowest end, so that the high-temperature water body is continuously taken away; technical scheme in this application has realized preventing fire door cooling under the fire hazard environment through water-cooled mode, the water constantly flows in to the inside cavity of door plant, the water constantly absorbs the heat, and constantly flow back in the steel pipe of wall body inside through the water filling port of lower extreme, the event is when the conflagration breaing out, prevent fire door because of the continuous water delivery cooling of water cooling system, the temperature that makes to prevent fire door is in controllable within range all the time, make the fire-resistant integrality performance of preventing fire door promote, prevent that fire door keeps the time of structural integrity by the extension, and then to the protection of indoor life and property safety when having promoted the conflagration and taking place.

Preferably, a cavity is concavely arranged in the wall body, an electromagnetic valve is arranged in the cavity and is communicated with the steel pipe in a sealing mode, a plurality of groups of sensors are distributed in the cavity, a controller for driving the electromagnetic valve to open and close is arranged in each group of cavities, and the sensors are in signal connection with the controller.

Through adopting above-mentioned technical scheme, the solenoid valve is installed to the inside cavity of wall body, solenoid valve and steel pipe seal intercommunication, the controller with arrange each sensor electric connection of group indoor, each group sensor acquires the temperature data of each position in real time, the sensor sends data to the controller, the controller is controlled the solenoid valve according to the data value of each group sensor, and then realize the control of opening and shutting to the inside water of steel pipe, the control of the flow of water has been realized to the aforesaid setting, all flow to the inside cavity of door plant for the inside water of steel pipe 24 hours, this technical scheme has realized the flow of the inside water of steel pipe when taking place the conflagration, under daily state, the water does not flow to the inside door plant, and then realized this water cooling system's water conservation target.

Preferably, the door leaf includes two sets of steel sheets, and is two sets of the steel sheet is equipped with the basin in the side end face upper concave that is close to each other, and is two sets of basin amalgamation vacuole formation on the steel sheet is a set of link up on the border all around of steel sheet has seted up the round hole, each group the round hole is inside to be pegged graft and to be had attack the end and another group steel sheet threaded connection's screw.

Through adopting above-mentioned technical scheme, the door plant includes two sets of steel sheets, the terminal surface that two sets of steel sheets are close to each other goes up the concave basin that is equipped with, two sets of basins are just to and amalgamation formation cavity, inside each group of round hole on the screw plug-in a set of steel sheet, each group screw constantly screws up, attack the end of input and another group steel sheet threaded connection of screw, the aforesaid sets up and makes the door plant be divided into two, independently carry out the open processing of basin on each group steel sheet, for directly carrying out the processing of cavity on the door plant of entity, two sets of steel sheets that divide into two independently carry out the processing of basin, be convenient for carry out the overall arrangement to the circuit.

Preferably, the end faces, close to each other, of the two groups of steel plates are concavely provided with first notches in a surrounding mode, the first notches are distributed around the periphery of the water tank, and the first notches are arranged in a facing mode and are fixedly provided with first sealing strips in a common inner inserting mode.

Through adopting above-mentioned technical scheme, first notch on two sets of steel sheets just is fixed with first sealing strip just and peg graft jointly, and first sealing strip encircles the cavity and distributes, and the setting of first sealing strip plays door plant sealing effect all around, prevents that whole leakproofness when fire door carries the water body promotes.

Preferably, the groove bottoms at the head end and the tail end of the first groove opening are both concavely provided with sunk grooves, the two sides at the head end and the tail end of the first sealing belt are both convexly provided with positioning blocks, and the two groups of positioning blocks are inserted into the head end and the tail end of each group of sunk grooves.

Through adopting above-mentioned technical scheme, the tank bottom at each first notch head and the tail both ends of organizing is concave to be equipped with heavy groove, the protruding locating piece of inserting heavy inslot portion that is equipped with in the head and the tail both ends of first sealing strip, the setting of each locating piece of organizing plays the joint limiting displacement to first sealing strip in first notch inside, first sealing strip is the rubber material, the first sealing strip of rubber material is easy ageing in long-time use, the shrink, two sets of locating pieces of head and the tail end play the tensile effect to first sealing strip both ends, the head and the tail both ends emergence shrink of first sealing strip has been avoided, and then guaranteed first sealing strip to the leak protection all around of cavity.

Preferably, the end faces, close to each other, of the two groups of door leaves are concavely provided with second notches, each group of second notches is located between the upper and lower groups of water injection ports, and a second sealing strip is inserted into the two groups of second notches together.

Through adopting above-mentioned technical scheme, the second notch is located between two sets of water filling ports from top to bottom, and two sets of second notches to setting up are inside to peg graft jointly and have the second sealing area, and the cooperation of second sealing area and first sealing area accomplishes surrounding of cavity and sets up, and the aforesaid sets up the overall arrangement that surrounds of having realized the cavity, has promoted the holistic waterproof performance of door plant, and the inside water of cavity is difficult for flowing out from the gap between two sets of steel sheets.

Preferably, each group of sensors is sleeved with a hoop, and each group of hoops is connected with wall fixing bolts of the indoor wall body.

Through adopting above-mentioned technical scheme, each group of sensor is located indoor wall body, and the setting up of each group's staple bolt makes each group of sensor can be fixed to the wall body on steadily, makes each group of sensor can monitor indoor steadily.

Preferably, a door closer is installed between an upper end frame of the door frame and an upper end of the door leaf, and the door closer keeps the door panel to rotate toward the inside of the door frame.

Through adopting above-mentioned technical scheme, install the door closer between door plant and the door frame, door closer self has the characteristic of automatic door closing, and then makes to prevent that fire door guarantees under daily state to the inside closure of door frame, when the conflagration takes place, prevents that fire door is automatic closed, has reduced the intensity of a fire from preventing stretching of fire door one side to the opposite side.

Preferably, the two groups of door leaves are connected with a plurality of groups of screws in a threaded manner, and the screws of each group are distributed with the water tank in a staggered manner.

Through adopting above-mentioned technical scheme, above-mentioned setting makes a plurality of groups of screws realize fixed connection with two sets of steel sheets, and the hookup location of each group screw distributes with the circuitous pipeline extending direction dislocation of basin, and each group screw cooperation annular door plant is along each group screw all around, has promoted joint strength between two sets of steel sheets, makes the wholeness of two sets of steel sheets promote.

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

1. when a fire disaster occurs indoors or outdoors, the temperature of the fireproof door is continuously raised due to the influence of the fire disaster, the temperature of the protective door is raised, the water body continuously flows towards the interior of the door plate at the moment, the water body is heated at the position of the door plate, so that the heat on the fireproof door is taken away by the water body, the raised water body continuously flows downwards through the circuitous cavity, the water body continuously flows back to the interior of the steel pipe at the lowest end through the connecting pipe and the hose through the water injection port at the lowest end, and the high-temperature water body is; the electromagnetic valve is communicated with the steel pipe in a sealing mode, the controller is electrically connected with various groups of sensors arranged indoors, the sensors acquire temperature data of various sites in real time, the sensors send data to the controller, the controller controls the electromagnetic valve according to the data values of the various groups of sensors, and then the opening and closing of the water body in the steel pipe are controlled, the flowing of the water body is controlled through the arrangement, the water body flows into the cavity in the door plate within 24 hours relative to the water body in the steel pipe, the flowing of the water body in the steel pipe is achieved in the case of fire, and the water-saving target of the water-cooling system is achieved; according to the technical scheme, the temperature of the fireproof door in a fire environment is realized in a water cooling mode, the water continuously flows into the cavity inside the door plate, the water continuously absorbs heat and continuously flows back to the steel pipe pre-embedded in the wall body through the water injection port at the lower end, so that when a fire occurs, the temperature of the fireproof door is always in a controllable range due to continuous water delivery and cooling of the water cooling system, the fire-resistant integrity performance of the fireproof door is improved, the time for keeping the structural integrity of the fireproof door is prolonged, and the protection of indoor life and property safety is further improved when the fire occurs;

2. the first notches on the two groups of steel plates are opposite and fixedly provided with first sealing strips in a joint insertion mode, the first sealing strips are distributed around the cavity, the arrangement of the first sealing strips plays a role in sealing the periphery of the door plate, and the overall sealing performance of the fireproof door is improved when the fireproof door conveys water; the second notch is located between two sets of water filling ports from top to bottom, and two sets of second notches to setting up are inside to peg graft jointly and have the second sealing strip, and the cooperation of second sealing strip and first sealing strip accomplishes the encircleing the setting to the cavity, and the aforesaid sets up the overall arrangement that encircles that has realized the cavity, has promoted the holistic waterproof performance of door plant, and the inside water of cavity is difficult for flowing out from the gap between two sets of steel sheets.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic diagram of the overall structure from another perspective of an embodiment of the present application;

FIG. 3 is a cross-sectional view of a wall and an exploded view of a door panel in an embodiment of the present application;

FIG. 4 is an enlarged view at A in FIG. 3;

fig. 5 is an enlarged view at B in fig. 3.

Description of reference numerals: 1. a door panel; 11. a door frame; 12. a door leaf; 121. a first notch; 1211. a first sealing tape; 122. sinking a groove; 1221. positioning blocks; 123. a second notch; 1231. a second sealing tape; 13. a steel plate; 131. a circular hole; 132. a screw; 14. loose leaves; 15. a handle; 2. a water cooling system; 21. a steel pipe; 22. taking over a pipe; 23. a hose; 3. a cavity; 31. a water injection port; 32. a water tank; 4. a wall body; 41. a chamber; 42. an electromagnetic valve; 43. a controller; 5. a sensor; 51. hooping; 6. provided is a door closer.

Detailed Description

The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all 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 application.

In addition, the term "and/or" herein is only one kind of association relationship describing an associated object, and means that there may be three kinds of relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship, unless otherwise specified.

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a large steel heat-insulation fireproof door capable of enhancing fire resistance integrity. Referring to fig. 1, a wall 4 is built on the ground, a wall opening for installing a fire door is reserved on the wall 4, and the wall opening is matched with the fire door in shape. The large-scale steel heat-insulation fireproof door is a square door plate 1, the door plate 1 comprises a door frame 11 and a door leaf 12, the door frame 11 is embedded and fixed inside a wall opening, the door leaf 12 is matched with the door frame 11 in shape, the door leaf 12 and the door frame 11 are made of high-strength heat-resistant steel materials, martensite steel is preferably selected, the content of chromium is 7-13% generally, and the large-scale steel heat-insulation fireproof door has high-temperature strength, oxidation resistance and steam corrosion resistance below 650 ℃, for example, 1Cr13 and 2Cr13 containing 12% of chromium, and steel grades such as 1Cr11MoV, 1Cr12WMoV and 2Cr12WMoNbVB developed on the basis can be used as materials for selecting the door plate 1 in the application.

And a door closer 6 is arranged between the upper end part of the door leaf 12 and the horizontal frame of the upper end part of the door frame 11, and the shell of the door closer 6 is made of the heat-resistant steel, so that the structural integrity of the door closer 6 can be ensured on a fire scene. Door leaf 12 is articulated with door frame 11, installs handle 15 on the door leaf 12 keeps away from the intermediate position of the vertical border in one side of its articulated shaft, and handle 15's setting is convenient for open, close fire door.

Referring to fig. 2, the sensors 5 are installed at the upper ends of the four sets of wall bodies 4 of the house, the anchor ear 51 is sleeved on the periphery of each set of sensor 5, the anchor ear 51 is fixedly connected with the inner wall surfaces of the two sets of wall bodies 4 at the wall corners through the expansion bolts, and each set of sensor 5 can sense the indoor temperature in real time. The door leaf 12 comprises two sets of steel plates 13, and the steel plates 13 in each set are identical in shape.

Referring to fig. 3 and 4, hinges 14 are installed between the sets of steel plates 13 and the door frames 11, and the door panels 1 are opened and closed on the door frames 11 by opening and closing the hinges 14. Prevent fire door and include water cooling system 2, water cooling system 2 is including being two sets of steel pipe 21, takeover 22 and connecting steel pipe 21 and takeover 22's hose 23, and two sets of steel pipe 21 are pre-buried inside 4 of income walls, and two sets of steel pipes 21 set up from top to bottom, and vertical distance between two sets of steel pipes 21 is less than the height of door leaf 12, and each steel pipe 21 level of organizing sets up, and each steel pipe 21 of organizing and the inside fire hose intercommunication of housing construction, the water gets into from the steel pipe 21 of top. A cavity 41 is concavely arranged on the wall 4, the cavity 41 is communicated with a wall opening for installing the door frame 11, an electromagnetic valve 42 is arranged in the cavity 41, the electromagnetic valve 42 is hermetically communicated with the steel pipe 21 at the upper end part, a controller 43 is arranged on the vertical upper end surface of the electromagnetic valve 42, electric wires are pre-buried in the wall 4, and the electric wires are respectively electrically connected with the controller 43 and the electromagnetic valve 42; each group of sensors 5 is connected with the controller 43 through WIFI signals, temperature data acquired by each group of sensors 5 in real time are continuously conveyed to the controller 43, the controller 43 stores and compares the sensed temperature data, the controller 43 is provided with a threshold value of the temperature data, and the threshold value is set to be 80 ℃. When the real-time temperature sensed by the controller 43 is higher than 80 ℃, the controller 43 controls the electromagnetic valve 42 to be opened at the moment, so that the water body in the steel pipe 21 continuously flows; the water body flows through the electromagnetic valve 42 and continuously enters the hose 23 and the connecting pipe 22, the hose 23 is flexible, and the outer side of the cartilage is coated with steel wires, so that the hose 23 can resist high temperature.

The basin 32 that circuitous distribution was equipped with to the recess between the vertical terminal surface that two sets of steel sheet 13 are close to each other, two sets of steel sheet 13 are just to the time, synthetic cavity 3 is enclosed to two sets of basins 32, the cross-section of cavity 3 is circularly, water filling port 31 has been seted up in one side of the articulated shaft towards door plant 1 and the vertical layer lateral wall intercommunication of steel sheet 13 to cavity 3, the bore of water filling port 31 cooperatees with the external diameter of taking over 22, the outer peripheral face processing of taking over 22 has the external screw thread, the internal peripheral surface processing of water filling port 31 has the internal thread, take over 22 and. The water in the steel pipe 21 enters the water tank 32 through the water inlet 31 and flows along the pipeline of the water tank 32.

The end surfaces of the two groups of steel plates 13, which are close to each other, are concavely provided with first notches 121, the first notches 121 are positioned outside the water tank 32, and the first sealing strips 1211 are oppositely arranged on the two groups of steel plates 13 and are jointly inserted and fixed with the first notches 121; the groove bottoms at the head end and the tail end of the first notch 121 are concavely provided with the sunken grooves 122, the two sides at the head end and the tail end of the first sealing strip 1211 are convexly provided with the positioning blocks 1221, each group of the positioning blocks 1221 are inserted into the sunken grooves 122 at the head end and the tail end, and the positioning blocks 1221 at the head end and the tail end of the first sealing strip 1211 enable the first sealing strip 1211 to be limited in the first notch 121, so that the first sealing strip 1211 is prevented from shrinking in the first notch 121.

A second notch 123 is concavely arranged between the mutually close end surfaces of the two groups of steel plates 13, the second notch 123 is vertically arranged and close to one side of a hinge shaft of each group of steel plates 13, the second notches 123 on the two groups of steel plates 13 are opposite and are fixedly inserted with a second sealing strip 1231 together, and the groove bottoms of the upper and lower end parts of the second notch 123 are similar to the groove bottom of the head and tail end parts of the first notch 121 and are concavely provided with sunk grooves 122; the head and the tail of the second sealing strip 1231 are also provided with positioning blocks 1221 in a protruding manner.

The round holes 131 are formed in the periphery of a group of steel plates 13 close to the doorframe 11 in a mixed penetrating mode, the axis of each group of round holes 131 is perpendicular to the plane where the steel plates 13 are located, meanwhile, each group of water tanks 32 which are arranged in a circuitous mode are formed in a penetrating mode, the round holes 131 are formed in each group of round holes 131, screws 132 are inserted into the round holes 131 in an inserted mode, the screws 132 are of countersunk structures, the inlets of the round holes 131 are in a stepped mode, and the tapping ends of the screws 132 are connected with the other group of steel plates 13 in.

Referring to fig. 3 and 5, the water tank 32 is distributed in a winding manner, the water tank 32 communicates with the steel plate 13 from the lower end surface of the steel plate 13 toward the hinge shaft side thereof, and the water tank 32 communicates with the water injection port 31 at the lowermost end. The hose 23 is connected with the connecting pipe 22 and the steel pipe 21, and the connecting pipe 22 is in threaded connection with the water injection port 31 at the lowest end; the water body detouring from the water tank 32 enters the steel pipe 21 through the connection pipe 22 and the hose 23, so that the high-temperature water body is continuously conveyed away.

The implementation principle of the large-scale steel heat-insulation fireproof door with enhanced fire resistance integrity of the embodiment of the application is as follows:

in the daily state of the large steel heat-insulation fireproof door with enhanced fire-resistant integrity, the door closer 6 keeps the door leaf 12 and the door frame 11 in a closed state; when a fire breaks out, each group of sensors 5 on the indoor wall corner continuously senses indoor temperature data and continuously transmits the data to the controller 43, the controller 43 senses high-temperature data and compares the high-temperature data with the set threshold value, the electromagnetic valve 42 is opened, and then the water body in the steel pipe 21 continuously flows to the cavity 3 in the door panel 1 through the hose 23 and the connecting pipe 22.

After the water body enters the door panel 1, the temperature of the fireproof door is raised in a high-temperature environment, the water body poured into the door panel 1 is continuously heated under the action of heat exchange, and the water body continuously flows out of the downward broken water injection port 31 along the circuitous pipeline of the cavity 3 after being heated; inside water constantly got into door plant 1, made the temperature control of preventing fire door in the temperature range that can tolerate, and then promoted the fire-resistant integrality of preventing fire door. Technical scheme in this application has realized preventing fire door temperature under the fire hazard environment through water-cooled mode, the water is continuous to flowing in the cavity 3 of door plant 1 inside, the water is continuous to absorb the heat, and the water filling port 31 of continuous through the lower extreme flows back to pre-buried in the inside steel pipe 21 of wall body 4, so when the conflagration breaing out, prevent fire door because of the defeated water cooling that lasts of water cooling system 2, the temperature that makes to prevent fire door is in controllable within range all the time, make the fire-resistant integrality of preventing fire door promote, prevent that fire door keeps structural integrity's time by the extension, and then to the protection of indoor life property safety when having promoted the conflagration.

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 (9)

1. The utility model provides a large-scale steel of reinforcing fire-resistant integrality is thermal-insulated prevents fire door, includes door plant (1) and water cooling system (2), its characterized in that: the door plate (1) comprises a door frame (11) and a door leaf (12) hinged to the door frame (11), the door frame (11) and the door leaf (12) are both made of heat-resistant steel, a cavity (3) which is distributed in a roundabout mode is concavely arranged in the door leaf (12), two groups of water injection ports (31) which are distributed up and down are formed in the vertical edge of one side of the door leaf (12) of the cavity (3), and the two groups of water injection ports (31) face the hinged end of the door leaf (12) and the door frame (11); the water cooling system is characterized in that the door frame (11) is fixedly embedded on the wall body (4), and the water cooling system (2) comprises two groups of steel pipes (21) which are embedded in the wall body (4) and arranged up and down, connecting pipes (22) which are connected with the water injection ports (31) in a sealing and inserting mode, and hoses (23) which are connected with the connecting pipes (22) and the steel pipes (21).

2. The large steel insulating and fire-proof door with enhanced fire resistance as recited in claim 1, further comprising: wall body (4) inside concave cavity (41) that is equipped with, cavity (41) internally mounted has solenoid valve (42), solenoid valve (42) with steel pipe (21) sealed intercommunication, indoor distribution have a plurality of groups sensor (5), and each group cavity (41) internally mounted has the drive controller (42) that solenoid valve (42) opened and close, each group sensor (5) with controller (42) signal connection.

3. The large steel insulating and fire-proof door with enhanced fire resistance as recited in claim 2, further comprising: door leaf (12) are including two sets of steel sheet (13), and are two sets of steel sheet (13) are equipped with basin (32) in the concave side end face that is close to each other, and are two sets of basin (32) amalgamation vacuole formation (3) on steel sheet (13) are a set of round hole (131) have been seted up to link up on the border all around of steel sheet (13), and each group round hole (131) inside grafting has attack end and another group steel sheet (13) threaded connection's screw (132).

4. The large steel insulating and fire-proof door of claim 3, characterized in that: the end faces, close to each other, of the two groups of steel plates (13) are provided with first notches (121) in a surrounding and concave mode, the first notches (121) are distributed around the periphery of the water tank (32), and the first notches (121) are arranged just opposite to each other and are fixedly provided with first sealing strips (1211) in a common inner inserting mode.

5. The large steel insulating and fire-proof door with enhanced fire resistance as recited in claim 4, wherein: the groove bottoms at the head end and the tail end of the first groove opening (121) are both concavely provided with sinking grooves (122), the two sides at the head end and the tail end of the first sealing belt (1211) are both convexly provided with positioning blocks (1221), and the two groups of positioning blocks (1221) are inserted into the head end and the tail end of each group of sinking grooves (122).

6. The large steel insulating and fire-proof door with enhanced fire resistance as recited in claim 5, wherein: the end faces, close to each other, of the two groups of door leaves (12) are concavely provided with second notches (123), each group of second notches (123) is located between the upper water injection port (31) and the lower water injection port (31), and second sealing strips (1231) are inserted into the two groups of second notches (123) jointly.

7. The large steel insulating and fire-proof door of claim 6, characterized in that: and each group of the sensors (5) is sleeved with a hoop (51), and each group of the hoops (51) is connected with the wall surface fixing bolt of the indoor wall body (4).

8. The large steel insulating and fire-proof door with enhanced fire resistance as recited in claim 7, further comprising: a door closer (6) is installed between the upper end frame of the door frame (11) and the upper end of the door leaf (12), and the door closer (6) keeps the door plate (1) to rotate towards the inside of the door frame (11).

9. The large steel insulating and fire-resistant door of claim 8, wherein: the two groups of door leaves (12) are in threaded connection with a plurality of groups of screws (132), and the screws (132) of each group are distributed with the water tank (32) in a staggered manner.

Images