CN212774416U

CN212774416U - Fire door structure is used in pit in colliery

Info

Publication number: CN212774416U
Application number: CN202021344031.6U
Authority: CN
Inventors: 李连刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-03-23
Anticipated expiration: 2030-07-10

Abstract

The utility model relates to a colliery is fire door structure with preventing in pit discloses one kind and is sealed by the thermal energy through gas storage bag cooperation air bag, cuts off the oxygen source that the burning needs, fire prevention effect is good prevents fire door structure, its characterized in that it has a plurality of holes of placing to open on the door plant, it has the mount to place the downthehole mount, puts on the mount is arranged in to the ball of putting out a fire, the ball of putting out a fire embeds the fire extinguishing agent, the fire extinguisher outerwind has put the lead wire, door plant edge has been put around the gas storage bag, the outside protruding sealed air bag that forms of gas storage bag outer wall, the gas storage bag is overhead has the bleed valve, the gas storage bag is built-in to have sodium bicarbonate powder, one side of door plant.

Description

Fire door structure is used in pit in colliery

Technical Field

The utility model relates to a colliery is fire door structure with preventing in pit relates to one kind and carries out fire door structure that prevents fires in the colliery in pit, belongs to the coal mine equipment field. In particular to a fireproof door structure which seals by the air storage bag matching with the sealing air bag and being heated by thermal expansion, cuts off the oxygen source required by combustion and has good fireproof effect.

Background

Have the potential safety hazard such as gas explosion emergence burning in the pit of colliery, colliery is sealed prevents fire door in the pit and will accomplish to protect personnel in the pit, avoid the conflagration to stretch the enlargement, hinge department at the door, some gaps are left to frame department from top to bottom, when burning, the air of outdoors can see through these gaps and get into, current prevent fire door covers the gap between two door leafs with airtight groove, however under high temperature, the door frame is out of shape easily, airtight groove can break away from original position, can not play sealed effect, outside air can get into inside through the gap, make the burning thing burning in the well more violent, so prevent fire door and need have sufficient sealed function, separation outside air gets into and continues to burn in the well.

The notice number CN210828944U discloses a solderless reinforced fire door, which comprises a fire door body, a fixing strip, screws, a clamping edge and a fixing pin, wherein one side of the fire door body is movably connected with a sub door, both sides of the fire door body and the sub door are both fixed with iron sheets, the surface area of the iron sheets is larger than that of the fire door body and the sub door, the fixing strip is fixed at the outer sides of the fire door body and the sub door through the screws, both sides of the fixing strip are equidistantly provided with circular grooves, the middle part of the lower end of the circular groove is provided with screw holes, the screws are positioned at the inner sides of the circular grooves and the screw holes, the middle part of the upper end of the fire door body is provided with a through hole, the inside of the through hole is inlaid with glass, the clamping edge is movably arranged at both sides of the glass through the screws, the middle part of one side of, this prevent airtight groove between two door leafs of door can warp when the high temperature, breaks away from original position, plays sealed effect well, still leaves certain space, and when the burning, outside air can gush into through the gap, aggravates the burning intensity.

The publication No. CN206233816U discloses a smoke-proof fire door, which is provided with a nozzle capable of communicating with a tap water pipeline, a rectangular nozzle placing plate is arranged at the upper end of a door frame, the rectangular nozzle placing plate is connected with a rectangular nozzle by welding, the rectangular nozzle is in a long rectangular shape, a rectangular nozzle interface is communicated with the rectangular nozzle, the rectangular nozzle interface is arranged on the door frame, one end of an iron pipe is connected with the rectangular nozzle interface by welding, the other end of the iron pipe is connected with a flange by welding, a valve is arranged on the iron pipe, a fire door groove is arranged on the door frame, a sealing ring is arranged on the fire door groove, a fire door shell corresponds to the fire door groove, the fire door shell is connected with the door frame by a hinge, fillers in the fire door shell are divided into two layers, one layer is an asbestos thermal insulation layer, the other layer is a steel vacuum inner container, the outside air passes through the gap to the inside, which aggravates the combustion intensity.

Disclosure of Invention

In order to improve the condition, the utility model relates to a colliery is fire door structure for pit provides one kind and is sealed by the thermal energy through the sealed gasbag of gas storage bag cooperation, cuts off the oxygen source that the burning needs, fire prevention effect is good prevents fire door structure.

The utility model relates to a colliery is fire door structure for in pit is realized like this: the utility model relates to a colliery is fire door structure with in pit by door plant, gas storage bag, air bag, fire extinguishing ball, hinge, bleed valve, meshing lug, mount and place the hole and constitute, it has a plurality of holes of placing to open on the door plant, it has the mount to place the downthehole, the ball of putting out a fire is arranged in on the mount, the ball of putting out a fire is built-in to put out a fire extinguishing agent, the lead wire has been put in the outer winding of fire extinguishing agent, door plant edge has been encircleed and has been put the gas storage bag, the outside protruding sealed gasbag that forms of gas storage bag outer wall, the gas storage bag is overhead to have the bleed valve, the gas storage bag is built-in to have sodium bicarbonate powder.

Has the beneficial effects.

Firstly, the air can be prevented from entering the furnace, and the oxygen source required by combustion is cut off.

And secondly, the fire extinguishing ball is broken to release the fire extinguishing agent to assist in fire extinguishing, so that the fire prevention effect is good.

Drawings

FIG. 1 is a three-dimensional structure diagram of a fire door structure for underground coal mine of the present invention;

FIG. 2 is a schematic structural view of a fire door structure for a coal mine;

FIG. 3 is a schematic view of the structure of the engaging projection of the fireproof door structure for underground coal mine of the present invention;

FIG. 4 is a schematic view of a fire extinguishing ball with a fireproof door structure for underground coal mine;

fig. 5 is a schematic structural view of the door frame of the fireproof door structure for underground coal mine.

In the attached drawings

Wherein the method comprises the following steps: door plant 1, gas storage bag 2, air-tight bag 3, fire extinguishing ball 4, hinge 5, bleed valve 6, meshing lug 7, mount 8 place hole 9, wall 10, laminating recess 11.

The specific implementation mode is as follows:

the utility model relates to a colliery is fire door structure for in pit is realized like this: the utility model relates to a colliery is fire door structure for pit consists of door plant 1, gas storage bag 2, sealed airbag 3, ball 4 of putting out a fire, hinge 5, bleed valve 6, meshing lug 7, mount 8 and place hole 9, it has a plurality of holes 9 to place to open on the door plant 1, place hole 9 embeds there is mount 8, and ball 4 of putting out a fire is placed on mount 8, ball 4 of putting out a fire embeds there is the fire extinguishing agent, the fire extinguishing agent is twined outward and is put the lead wire, door plant 1 edge has surrounded gas storage bag 2, the outer wall of gas storage bag 2 is protruding outward and forms sealed airbag 3, gas storage bag 2 is overhead has bleed valve 6, gas storage bag 2 embeds there is sodium bicarbonate powder, it has hinge 5 to place on one side of door plant 1, door plant 1 opposite side is overhead has a set of meshing lug 7;

when the door panel is used, firstly, the mounting position of the door panel 1 of the wall body is provided with the attaching groove 11 corresponding to the sealing air bag 3 and the air storage bag 2, the two door panels 1 are mounted on the wall body through the hinges 5 and the bolts in a matching way, and the engaging lugs 7 on the two door panels 1 are engaged with each other;

when the door body is heated, sodium bicarbonate in the gas storage cavity is heated to react to generate a large amount of carbon dioxide, the gas storage bag 2 is filled to enable the gas storage bag 2 to collide with the sealing airbag 3 on the gas storage bag, the sealing airbag 3 is embedded into the attaching groove 11 on the wall body to form sealing, the engaging lug 7 on the door panel 1 is heated to expand and is engaged more tightly to isolate external air, meanwhile, the lead on the fire extinguishing ball 4 is heated to ignite, the fire extinguishing ball 4 is burnt, and a fire extinguishing agent in the fire extinguishing ball 4 is gushed out to assist in fire extinguishing, so that the fire prevention effect is good;

the door panel 1 is provided with a plurality of placing holes 9, so that the fire extinguishing ball 4 can be contained in the door panel 1, and the influence on the normal use is avoided;

the fire extinguishing agent is wound with a lead, so that the fire extinguishing ball 4 can be cut by burning in case of fire, and the fire extinguishing agent in the fire extinguishing ball 4 is released to assist in fire extinguishing;

the design that an air release valve 6 is arranged on the air storage bag 2, after a fire disaster occurs, the air valve 6 is opened by pulling, and the gas in the air storage bag 2 is released, so that the door plate 1 is opened;

the purposes of sealing by the matching of the gas storage bag 2 and the sealing air bag 3 through thermal expansion, cutting off the oxygen source required by combustion and having good fireproof effect are achieved.

The above embodiments are the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any person skilled in the art can make some modifications without departing from the scope of the invention, i.e. all equivalent modifications made according to the invention are intended to be covered by the scope of the invention.

It should also be noted that, unless otherwise specifically stated or limited, the terms "disposed on," "mounted on," "connected to" and "connected to" are to be construed broadly and may include, for example, a fixed connection such as a crimped connection, a riveted connection, a pinned connection, an adhesive connection, a welded connection, a removable connection such as a threaded connection, a snap connection, a hinged connection, an integral connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. The utility model provides a colliery is fire door structure for in pit, characterized by: by door plant, gas storage bag, air-tight bag, ball, hinge, bleed valve, meshing lug, mount and place the hole and constitute, it has a plurality of holes of placing to open on the door plant, it has the mount to place the downthehole, and the ball of putting out a fire is arranged in on the mount, the ball of putting out a fire is built-in to put out a fire extinguishing agent, door plant edge has been encircleed and has been put the gas storage bag, the outside protruding sealed bag that forms of gas storage bag outer wall, the gas storage bag is overhead to have the bleed valve, the gas storage bag is built.

2. The fire door structure for the underground coal mine according to claim 1, wherein a lead wire is wound outside the fire extinguishing agent.

3. The fire door structure for underground coal mine according to claim 1, wherein a hinge is disposed on one side of said door panel, and a set of engaging protrusions is disposed on the other side of said door panel.