CN109356504B

CN109356504B - Fire-proof door device for fire-fighting access

Info

Publication number: CN109356504B
Application number: CN201811575659.4A
Authority: CN
Inventors: 王占军
Original assignee: Ningbo Xinwantai Fire Equipment Co ltd
Current assignee: Ningbo Xinwantai Fire Equipment Co ltd
Priority date: 2018-12-22
Filing date: 2018-12-22
Publication date: 2021-04-02
Anticipated expiration: 2038-12-22
Also published as: CN109356504A

Abstract

The invention discloses a fire door device for a fire fighting channel, wherein a water tank is arranged at the top of a door frame, a fixing sleeve is arranged at the bottom of the water tank, the lower end of the fixing sleeve is communicated with the water tank, and a sealing block is arranged in the fixing sleeve in a sliding manner along the vertical direction; a floating ball is further arranged in the water tank, a notch is formed in the top of the door frame, and the notch extends upwards into the inner cavity of the fixed sleeve; the upper part of the sealing block is connected with the floating ball through a connecting rope, and the sealing block is matched in the notch; a water supply pipeline is arranged on the side wall of the water tank, a water supply mechanism, a smoke sensor and a controller are also preset in the wall body, and the water supply pipeline is communicated with the water supply mechanism; the water supply mechanism and the smoke sensor are electrically connected with the controller. According to the fire door device for the fire fighting access, when a fire breaks out, the water spraying device is arranged at the top of the door frame and sprays water towards the door panel, so that the temperature of the door panel is effectively reduced, and flames close to the door panel are broken.

Description

Fire-proof door device for fire-fighting access

Technical Field

The invention relates to the technical field of fire fighting equipment, in particular to a fire door device for a fire fighting access.

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 fire-proof door can prevent the fire from expanding within a certain time as long as the fire-proof door is made of steel or steel wood and attached with a fire retardant, but in a closed room provided with important equipment, the fire-proof door cannot transfer the equipment and cannot easily put out the fire, even if the fire-proof door can temporarily prevent the fire, the equipment is still easily burnt, and property loss is caused.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the utility model provides a fire control passageway is with preventing fire door device sets up water jet equipment at the door frame top, when the conflagration breaing out, can effectively reduce the temperature of door plant to the fire that is close to the door plant position is abolished, prevents the intensity of a fire and spreads.

The technical scheme adopted by the invention is as follows: the fireproof door device for the fire fighting access comprises a door plate and a door frame arranged in the circumferential direction of the door plate, wherein the outer side of the door frame is assembled in a preset mounting door hole on a wall body, one side of the door plate is hinged to the side wall of the door frame, a water tank is arranged in a cavity at the top of the door frame, a fixed sleeve arranged in the vertical direction is arranged at the bottom of the water tank, and a plurality of water inlets communicated with a water tank cavity are formed in the side wall at the lower end of the fixed sleeve; a sealing block is arranged in the fixed sleeve in a sliding manner along the vertical direction;

a floating ball is further arranged in the water tank, a notch is formed in the position, close to the door plate, of the top of the door frame, and the notch extends upwards into the inner cavity of the fixing sleeve; the upper part of the sealing block is connected with the floating ball through a connecting rope, the sealing block is matched in the notch, and the lower bottom surface of the sealing block is flush with the outer surface of the top of the door frame; a water supply pipeline communicated with the cavity of the water tank is arranged on the side wall of the water tank, and a water supply mechanism, a smoke sensor and a controller are also preset in the wall body at a position close to the door frame; one end, far away from the water tank, of the water supply pipeline is communicated with the water supply mechanism, and the water supply mechanism and the smoke sensor are electrically connected with the controller.

Compared with the prior art, the technical scheme of the invention has the following advantages:

after taking place the fire disaster, smoke signal is sensed to the smoke inductor, and with signal transmission to controller, the operation of controller control water supply mechanism, water passes through supply line entering water tank, along with the rising of water level, the floater is by slow jack-up, after reaching preset water level, it is in the state of flare-outing to connect the rope, along with the water level continues to rise, the floater is through connecting rope with up promoting of seal block, the rubber block slowly separates from the notch, water in the water tank is through the notch down spraying, a temperature for reducing the door plant, can destroy the flame that is close to the door plant position again.

As an improvement, an elastic element is arranged between the top wall of the fixed sleeve and the upper surface of the sealing block; and the connecting rope is arranged in the elastic element in a penetrating way. After the elastic element is arranged, the sealing block is always matched in the notch in a normal state, so that the smoothness of the outer side surface of the top of the door frame is ensured.

In a further improvement, the lower end of the sealing block is provided with a rubber block which is in a strip-shaped trapezoidal structure; the upper end of the notch is a trapezoidal groove matched with the rubber block, the lower end of the notch is a plurality of round holes evenly arranged along the length direction of the top of the door frame, and the round holes are all inclined towards the door panel. The sealing effect of the rubber block is better; in addition, the through holes inclined towards the door panel direction are arranged, so that flame at the position of the door panel can be well broken, and the temperature of the door panel is reduced.

As a preferable structure, the circumferential outer side wall of the door panel is recessed to form an annular accommodating groove, a water expansion adhesive tape is embedded in the annular accommodating groove, a water passing channel for cooling water to pass through is arranged in the door panel, the water passing channel comprises a plurality of annular pipelines, and the annular pipelines are communicated with one another; a plurality of water outlets are formed in the annular pipeline close to the outermost side of the door panel along the circumferential direction and are communicated with the bottom of the annular accommodating groove; the lower end of the side wall of the door plate, which is close to one side of the door frame, is provided with a water inlet, and the water inlet extends towards the inside of the door plate until being communicated with the annular pipeline; and a water supply mechanism electrically connected with the controller is arranged on the wall body close to the door frame, a water outlet pipe is arranged on the water supply mechanism, the other end of the water outlet pipe penetrates through the door frame until the other end of the water outlet pipe exceeds the end surface of the inner side of the door frame, and when the door plate is in a closed state, an outlet of the water outlet pipe is matched with a water inlet on the side wall of the door plate.

In another preferred structure, an annular accommodating groove is formed in the circumferential direction of the door plate, an annular pneumatic tire is arranged in the annular accommodating groove, and an annular boss is arranged on the annular pneumatic tire in the direction towards the outer side of an opening of the annular accommodating groove; the lower end of the side wall of the door plate close to one side of the door frame is provided with an air inlet pipe, and one end of the air inlet pipe is communicated with the annular air tire; an air pump device electrically connected with the controller is arranged on the wall body close to the door frame, an inflation tube is arranged on the air pump device, and one end of the inflation tube penetrates through the door frame until the outer end face of the inflation tube penetrates through the end face of the side wall of the door frame; when the door plate is in a door closing state, one end of the inflation tube, which is far away from the air pump device, is connected with the air inlet tube.

As an improvement, the door plate is provided with a glass window, the glass window comprises a glass frame and fireproof glass, the door plate is provided with a mounting opening, the glass frame is assembled in the mounting opening, the inner side wall of the glass frame is provided with a mounting groove, the periphery of the fireproof glass is embedded in the mounting groove, and the mounting groove is filled with fireproof sealant.

Preferably, the fireproof glass is of a double-layer structure, and a gap is formed between the two layers of fireproof glass. The double-layer glass structure has higher safety performance.

As a modification, a first annular dovetail groove is formed on the circumferential side wall of the glass frame in an inwards concave manner, and the first annular dovetail groove extends along the length direction of each edge of the glass frame; and when the glass frame is arranged at the central position of the mounting opening, fireproof adhesive is extruded and filled in a gap between the glass frame and the mounting opening.

Drawings

Fig. 1 is a partial sectional view in a vertical direction in a fire door apparatus for a fire passage of the present invention. (Main display door frame top structure)

Fig. 2 is an enlarged structural view at X in fig. 1.

Fig. 3 is a front view of the fire door apparatus for a fire passage of the present invention mounted on a wall body.

Fig. 4 is a partial sectional view taken in a direction parallel to the door panel surface in the second structure according to the embodiment of the present invention.

FIG. 5 is a partial cross-sectional view taken parallel to the door panel plane in a third configuration of an embodiment of the present invention.

Fig. 6 is a sectional view taken along a-a in fig. 5.

Fig. 7 is a partial view of a glass window in the present invention.

Fig. 8 is a cross-sectional view of a glass window structure in a fifth configuration in accordance with an embodiment of the present invention.

Fig. 9 is a schematic view of a glass window structure in a six-structure of an embodiment of the present invention. (removal of decorative frame)

Fig. 10 is a schematic structural view of a decorative outer frame in a sixth configuration according to an embodiment of the present invention.

Wherein, 100-wall body, 110-glass window, 1-door plate, 1.1-mounting opening, 1.2-annular groove, 2-door frame, 2.1-notch, 2.1.1-round hole, 3-mounting door opening, 4-water tank, 5-fixing sleeve, 5.1-water inlet, 6-sealing block, 7-floating ball, 8-connecting rope, 9-rubber block, 10-water supply pipeline, 11-elastic element, 12-annular containing groove, 13-water expansion rubber strip, 14-annular pipeline, 14.1-water outlet, 15-water inlet, 16-water outlet pipe, 17-annular air tire, 17.1-annular boss, 18-pressing plate, 18.1-opening, 19-air inlet pipe, 20-air charging pipe, 21-air charging pipe, 21.1-air outlet, 22-glass frame, 22.1-mounting groove, 23-fireproof glass, 24-first annular dovetail groove, 25-second annular dovetail groove, 26-fireproof decorative strip, 27-decorative outer frame, 27.1-insertion block, 28-outer groove, 29-inner groove and 30-insertion hole

Detailed Description

The invention is further described with reference to the following figures and detailed description.

In the description of the present invention, it should be noted that the terms "top", "bottom", "lower end", "upper end", "lower bottom", "top wall", "upper surface", "circumferential outer side wall", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "coupled" are to be interpreted broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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.

Basic embodiment structure:

as shown in fig. 3, the fire door structure disclosed in the present invention comprises a door panel 1 and a door frame 2 sleeved on a circumferential edge of the door panel 1, wherein the door frame 2 is used for being installed in an installation door opening 3 of a wall 100, the door panel 1 may be a single door type structure or a double door type structure, one side of the door panel 1 is hinged on a side wall of the door frame 2, and a fire-proof sealing strip is arranged on the circumferential edge of the door panel 1. The door panel 1 is provided with a door lock for locking the door panel 1 and the door frame 2 or locking the two door panels 1. Be equipped with the door closer between the top of door plant 1 and the top of door frame 2, the door closer sets up the back, can release after the compression of hydraulic press after the door is opened, closes the door automatically, is similar to the effect of spring door, can guarantee that the door is opened the back, accurate, timely closing to initial position.

The first embodiment is as follows:

as shown in fig. 1 and 2, on the basis of the structure of the basic embodiment, a water tank 4 is arranged in a top cavity of a door frame 2, a fixing sleeve 5 arranged along the vertical direction is arranged at the bottom of the water tank 4, a plurality of water inlets 5.1 communicated with the cavity of the water tank 4 are arranged on the side wall of the lower end of the fixing sleeve 5, and a sealing block 6 is arranged in the fixing sleeve 5 in a sliding manner along the vertical direction; a floating ball 7 is also arranged in the water tank 4, and the upper end of the sealing block 6 is connected with the floating ball 7 through a connecting rope 8. A notch 2.1 is arranged at the top of the door frame 2 close to the door panel 1, and the notch 2.1 extends upwards to the inner cavity of the fixed sleeve 5. Under normal conditions, under the action of the self gravity of the sealing block 6, the lower bottom surface of the sealing block 6 is flush with the outer surface of the top of the doorframe 2. Preferably, a rubber block 9 is arranged at the lower end of the sealing block 6, and the rubber block 9 is inserted in the notch 2.1 in a sealing mode. A water supply pipeline 10 communicated with the cavity is arranged on the side wall of the water tank 4, and a water supply mechanism, a smoke sensor and a controller are preset in the wall 100 close to the door frame 2.

One end of the water supply pipeline 10, which is far away from the water tank 4, is communicated with a water supply mechanism, and the water supply mechanism and the smoke sensor are electrically connected with a controller. In this structure, the water supply mechanism, the smoke sensor, and the controller are not shown in the drawing.

The working principle is as follows: after taking place the fire disaster, smoke signal is sensed to the smoke inductor, and with signal transmission to controller, the operation of controller control water supply mechanism, water passes through supply channel 10 and gets into water tank 4, along with the rising of water level, floater 7 is by slow jack-up, after reaching preset water level, during the specific two-thirds height for water tank 4 height, it is in the state of flare-outing to connect rope 8, along with the water level continues to rise, floater 7 promotes sealed piece 6 up through connecting rope 8, separation in notch 2.1 is slowly followed to block rubber 9, water in the water tank 4 passes through the notch and sprays down, a temperature for reducing door plant 1, can destroy the flame that is close to door plant 1 position again.

As an improvement, in order to ensure better sealing between the rubber block 9 and the notch 2.1, an elastic element 11 is provided between the top of the sealing block 6 and the top wall of the water tank 4, the elastic element 11 preferably being of a spring structure. Of course, the structure can be compressed after being stressed in other forms, and the structure can be reset after external force is released.

Preferably, the lower end of the rubber block 9 is a trapezoid structure and extends along the length direction of the top of the door frame 2. In addition, the upper end of notch 2.1 is the rectangular form dovetail groove with trapezoidal block rubber 9 complex, and the lower extreme of notch 2.1 is a plurality of round holes 2.1.1 along door frame 2 top length direction evenly sets up to a plurality of round holes 2.1.1 all incline towards the direction of door plant 1.

Example two:

as shown in fig. 4, on the basis of the first embodiment, an annular receiving groove 12 is formed in the circumferential side wall of the door panel 1, a water expansion rubber strip 13 is assembled in the annular receiving groove 12, and the water expansion rubber strip is a fireproof sealing strip. In this structure, under the conventional condition, leave appropriate amount of gap between water inflation adhesive tape 13 outside and the door frame 2 inboard for when preventing door plant 1 closed condition, by water inflation adhesive tape 13 card dead, influence the opening and shutting of door plant.

Specifically, a water passing channel for passing cooling water is arranged inside the door panel 1, the water passing channel comprises a plurality of annular pipelines 14, and the annular pipelines 14 are communicated with each other. A plurality of water outlets 14.1 are formed in the annular pipeline 14, close to the outermost side edge, of the door panel 1 along the circumferential direction, and the plurality of water outlets 14.1 are communicated with the bottom of the annular accommodating groove 12.

The lower end of the side wall of the door panel 1 on the side close to the door frame 2 is provided with a water inlet 15, and the water inlet 15 extends towards the inside of the door panel 1 until communicating with the annular pipeline 14. A water supply mechanism (not shown) is arranged on the wall 100 near the door frame 2, a water outlet pipe 16 is arranged on the water supply mechanism, the water outlet pipe 16 penetrates through the door frame until the outer end face penetrates out of the end face of the door frame 2 near the door panel side wall, and the part of the water outlet pipe exceeding the end face of the inner side of the door frame 2 is about 5mm-8 mm. The outlet of the outlet pipe 16 is fitted with the water inlet 15 on the side wall of the door panel 1 when the door panel 1 is in the closed state.

In order to realize intelligent control, the water supply mechanism is communicated with the controller, when the controller receives signals of the smoke sensor, the water supply mechanism is controlled to supply water, water flow enters the annular pipeline 14 along the water outlet pipe 16, water in the annular pipeline 14 flows to the bottom of the annular containing groove 12 along the water outlet 14.1, and the water expansion rubber strip 13 is expanded and sealed between the door frame 1 and the door plate 2 after absorbing the water, so that the original gap is eliminated, and toxic gas is effectively prevented from entering a room. In addition, after the plurality of annular pipelines 14 in the door panel 1 are filled with water, the effect of cooling the door panel 1 can be achieved.

Example three:

as shown in fig. 5 and 6, in the first embodiment, an annular receiving groove 12 is provided in the circumferential direction of the door panel 1, an annular pneumatic tire 17 is accommodated in the annular receiving groove 12, an annular boss 17.1 is provided on the annular pneumatic tire 17 in the direction of the outside of the opening of the annular receiving groove 12, a pressure plate 18 is provided on the outside of the annular receiving groove 12, an opening 18.1 is provided on the pressure plate 18, and the annular boss 17.1 is slidably provided in the opening 18.1.

The lower end of the side wall of the door panel 1 close to one side of the door frame 2 is provided with an air inlet pipe 19, and one end of the air inlet pipe 19 is communicated with the annular air tire 17. An air pump device (not shown) is arranged on the wall 100 near the door frame, an air tube 20 is arranged on the air pump device, and the air tube 20 passes through the door frame 2 until the outer end face of the air tube passes through the end face of the door frame 2 near the side wall of the door panel 1 and extends out of the end face of the inner side of the door frame 2 by about 5mm-8 mm. When the door panel 1 is closed, the end of the air tube 20 away from the air pump device is connected to the air inlet tube 19.

As an improvement, an air duct 21 with an annular structure is arranged in the door panel 1, a plurality of air inlet holes 17.2 are circumferentially arranged on one side of the annular air tyre 17 close to the bottom of the annular accommodating groove 12, a plurality of air outlet holes 21.1 are circumferentially arranged on the air duct 21, and the air outlet holes 21.1 are communicated with the corresponding air inlet holes 17.2 in a one-to-one correspondence manner. The end of the air tube 20 remote from the air pump device extends inwardly of the door panel 1 until it communicates with the air duct 21.

In order to realize intelligent control, should be linked together with the controller, after the controller received smoke sensor's signal, control air pump device operation, gaseous admission pipe 21 that enters behind intake pipe 19 through gas tube 20, and then enter into gas child 17 through a plurality of ventholes 21.1, extrude annular boss 17.1 outwards after gas child 17 inflation for annular boss 17.1 is sealed between door frame 2 and door plant 1, the gap that originally exists has been eliminated, thereby effectively prevent toxic gas to get into indoorly.

Example four:

as shown in fig. 3 and 7, on the basis of the structure of the basic embodiment, the door panel 1 is further provided with a glass window, the door panel 1 is provided with the glass window, the glass window comprises a glass frame 22 and fireproof glass 23, the door panel 1 is provided with an installation opening 1.1, and the glass frame 22 is assembled in the installation opening 1.1. The glass frame 22 is made of fireproof material.

Specifically, the door panel 1 is provided with an installation opening 1.1, a glass frame 22 is arranged in the installation opening 1.1, and fireproof glass 23 is arranged in the glass frame 22. Specifically, the glass frame 22 is formed by splicing two horizontal rods and two vertical rods, each horizontal rod and each vertical rod are provided with a mounting groove 22.1 to form an annular assembling groove, the periphery of the fireproof glass 23 is embedded into the corresponding assembling groove on the glass frame 22, and the outer part of the glass frame 22 is embedded into the mounting opening 1.1.

As an improvement, after the fireproof glass 23 is embedded on the glass frame 22, the fireproof glue is extruded and filled in each mounting groove 22.1 in the glass frame 22, so that the mounting stability of the fireproof glass 23 is further improved, and the sealing performance of the fireproof glass 23 in the circumferential direction is improved.

Preferably, the fire-proof glass 23 is a double-layer structure, and a gap is arranged between the two layers of fire-proof glass 12.

Example five:

as shown in fig. 8, on the basis of the structure of the fourth embodiment, a first annular dovetail groove 24 is concavely provided in the middle of the circumferential outer side wall of the glass frame 22, and the first annular dovetail groove 24 extends along the length direction of each side of the glass frame 22, and correspondingly, a second annular dovetail groove 25 is provided on the circumferential inner side wall of the mounting opening 1.1 corresponding to the first annular dovetail groove 24, and the distance between the circumferential side wall of the glass frame 22 and the circumferential side wall of the mounting opening 1.1 is ensured to be 5mm to 8 mm. During installation, the glass frame 22 pre-installed with the fireproof glass 23 is embedded in the installation opening 1.1, the glass frame 22 is guaranteed to be located at the center of the installation opening 1.1, then the fireproof adhesive is extruded and filled in a gap between the glass frame 22 and the installation opening 1.1, after the fireproof adhesive is filled compactly, the fireproof adhesive is uniformly distributed in the first annular dovetail groove 24 and the second annular dovetail groove 25, and after the fireproof adhesive is cooled and solidified, the glass frame 22 and the installation opening 1.1 are connected in a sealing mode.

Annular grooves 1.2 are formed in circumferential positions of the inner side end face and the outer side end face of the door panel 1 along the installation opening 1.1, after the glass frame 22 is assembled in the installation opening 1.1, decorative strips 26 with fireproof performance are installed in the annular grooves 1.2, and the outer surfaces of the decorative strips 26 are flush with the outer surface of the door panel 1.

Example six:

as shown in fig. 9 and 10, on the basis of the fourth embodiment, the door panel 1 is provided with annular grooves 1.2 at circumferential positions along the installation opening 1.1 on the inner and outer side end surfaces, the two side surfaces of the glass frame 22 are respectively flush with the groove bottoms of the annular grooves 1.2 on the two side surfaces of the door panel 1.1, and the two annular grooves 1.2 are respectively provided with annular decorative outer frames 27.

Wherein, the peripheral side wall of the mounting opening 1.1 is provided with an outer groove 28 extending along the thickness direction of the door panel 1, and likewise, the peripheral side wall of the glass frame 22 is provided with an inner groove 29 extending along the thickness direction thereof, and when the glass frame 22 is fitted in the mounting opening 1.1, the position of the glass frame 22 is adjusted to drive the opening of the outer groove 28 to communicate with the opening of the inner groove 29 and form an annular insertion hole 30.

Specifically, a plurality of inserting blocks 27.1 are arranged on one side surface of the decorative outer frame 27 facing the annular groove 1.2 along the circumferential direction, and when the decorative outer frame 27 is arranged in the corresponding annular groove 1.2, the inserting blocks 27.1 on the decorative outer frame 27 are inserted into the annular inserting holes 30 in a one-to-one correspondence manner, so that the connection between the glass frame 22 and the mounting port 1.1 is realized.

Of course, in this mechanism, the inner groove 29 and the outer groove 28 are preferably dovetail grooves in order to improve the stability of the joint. And, when installing, scribble the fire prevention adhesive and bond, seal at the circumference side of decorating the frame 27 and the side that is close to annular groove 1.2.

The fireproof adhesive used in the invention is a novel compound fireproof adhesive. The medicine is prepared from the following raw materials: sodium water glass, silicon micropowder, alumina powder, phosphate powder, magnesium oxide powder, water, a water repellent, 0p-10 and a flame retardant. It has the characteristics of high temperature resistance, no toxicity, no pollution and simple and convenient field operation.

The foregoing has described preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary, and various changes made within the scope of the independent claims of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a fire control passageway is with preventing fire door device, includes door plant (1) and establishes door frame (2) in door plant (1) circumference, the outside of door frame 2 is joined in marriage in predetermined installation door opening (3) on wall body (100), one side of door plant (1) articulates on the lateral wall of door frame (2), its characterized in that: a water tank (4) is arranged in a cavity at the top of the door frame (2), a fixing sleeve (5) arranged along the vertical direction is arranged at the bottom of the water tank (4), and a plurality of water inlets (5.1) communicated with the cavity of the water tank (4) are formed in the side wall of the lower end of the fixing sleeve (5); a sealing block (6) is arranged in the fixed sleeve (5) in a sliding manner along the vertical direction, a rubber block (9) is arranged at the lower end of the sealing block (6), and the rubber block (9) is of a long-strip-shaped trapezoidal structure; an elastic element (11) is arranged between the top wall of the fixed sleeve (5) and the upper surface of the sealing block (6);

a floating ball (7) is further arranged in the water tank (4), a notch (2.1) is formed in the position, close to the door plate (1), of the top of the door frame (2), the notch (2.1) extends upwards into the inner cavity of the fixing sleeve (5), the upper end of the notch (2.1) is a trapezoidal groove matched with the rubber block (9), the lower end of the notch (2.1) is provided with a plurality of round holes (2.1.1) which are uniformly formed in the length direction of the top of the door frame (2), and the round holes (2.1.1) are inclined towards the door plate (1); the upper end of the sealing block (6) is connected with the floating ball through a connecting rope (8), and the connecting rope (8) penetrates through the elastic element (11); the lower end of the sealing block (6) is matched in the notch (2.1), and the lower bottom surface of the sealing block (6) is flush with the outer surface of the top of the door frame (2);

a water supply pipeline (10) communicated with the cavity of the water tank (4) is arranged on the side wall of the water tank, and a water supply mechanism, a smoke sensor and a controller are preset in the wall body (100) close to the door frame (2); one end of the water supply pipeline (10) far away from the water tank (4) is communicated with the water supply mechanism, and the water supply mechanism and the smoke sensor are electrically connected with the controller;

the door plate (1) is provided with a glass window, the glass window comprises a glass frame (22) and fireproof glass (23), the door plate (1) is provided with a mounting opening (1.1), and the glass frame (22) is assembled in the mounting opening (1.1); the inner side wall of the glass frame (22) is provided with a mounting groove (22.1), the periphery of the fireproof glass (23) is embedded into the mounting groove (22.1), and fireproof sealant is filled in the mounting groove (22.1); the circumferential outer side wall of the glass frame (22) is recessed inwards to form a first annular dovetail groove (24), and the first annular dovetail groove (24) extends along the length direction of each side of the glass frame (22); a second annular dovetail groove (25) is arranged on the circumferential inner side wall of the mounting opening (1.1) corresponding to the first annular dovetail groove (24), and a distance of 5mm-8mm is reserved between the peripheral side wall of the glass frame (22) and the peripheral side wall of the mounting opening (1.1); when the glass frame (22) is arranged at the center of the mounting opening (1.1), the fireproof adhesive is extruded and filled in the gap between the glass frame (22) and the mounting opening (1.1).

2. The fire door apparatus for a fire passage according to claim 1, characterized in that: the door plate is characterized in that a circumferential outer side wall of the door plate (1) is recessed to form an annular accommodating groove (12), a water expansion adhesive tape (13) is embedded in the annular accommodating groove (12), a water passing channel for cooling water to pass through is arranged in the door plate (1), the water passing channel comprises a plurality of annular pipelines (14), and the annular pipelines (14) are communicated with one another; a plurality of water outlets (14.1) are formed in the annular pipeline (14) close to the outermost side of the door panel (1) along the circumferential direction, and the plurality of water outlets (14.1) are communicated with the bottom of the annular accommodating groove (12); the lower end of the side wall of the door plate (1) close to one side of the door frame (2) is provided with a water inlet (15), and the water inlet (15) extends towards the inside of the door plate (1) until being communicated with the annular pipeline (14); the water supply device is characterized in that a water supply mechanism electrically connected with the controller is arranged on the wall body (100) close to the door frame (2), a water outlet pipe (16) is arranged on the water supply mechanism, the other end of the water outlet pipe (16) penetrates through the door frame (2) until the other end of the water outlet pipe exceeds the inner side end face of the door frame (2), and when the door panel (1) is in a closed state, an outlet of the water outlet pipe (16) is matched with a water inlet (15) in the side wall of the door panel (.

3. The fire door apparatus for a fire passage according to claim 1, characterized in that: an annular accommodating groove (12) is formed in the circumferential direction of the door panel (1), an annular pneumatic tire (17) is installed in the annular accommodating groove (12), and an annular boss (17.1) is arranged on the annular pneumatic tire (17) towards the outer side of an opening of the annular accommodating groove (12); the lower end of the side wall of the door plate (1) close to one side of the door frame (2) is provided with an air inlet pipe (19), and one end of the air inlet pipe (19) is communicated with the annular air tire (17); an air pump device electrically connected with the controller is arranged on the wall body (100) close to the door frame (2), an air inflation tube (20) is arranged on the air pump device, and one end of the air inflation tube (20) penetrates through the door frame (2) until the outer end face of the air inflation tube penetrates out of the end face of the side wall of the door frame (2); when the door panel (1) is in a door closing state, one end of the inflation tube (20) far away from the air pump device is connected with the air inlet tube (19).

4. The fire door apparatus for a fire passage according to claim 1, characterized in that: the fireproof glass (23) is of a double-layer structure, and a gap is formed between the two layers of fireproof glass (23).