CN110905599A - Explosion venting door for safety protection of coal mine fire area - Google Patents

Explosion venting door for safety protection of coal mine fire area Download PDF

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Publication number
CN110905599A
CN110905599A CN201911243591.4A CN201911243591A CN110905599A CN 110905599 A CN110905599 A CN 110905599A CN 201911243591 A CN201911243591 A CN 201911243591A CN 110905599 A CN110905599 A CN 110905599A
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CN
China
Prior art keywords
door
explosion venting
holes
door frame
door leaf
Prior art date
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Pending
Application number
CN201911243591.4A
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Chinese (zh)
Inventor
李昂
谢宏
司俊鸿
李雪冰
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North China Institute of Science and Technology
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North China Institute of Science and Technology
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Publication date
Application filed by North China Institute of Science and Technology filed Critical North China Institute of Science and Technology
Priority to CN201911243591.4A priority Critical patent/CN110905599A/en
Publication of CN110905599A publication Critical patent/CN110905599A/en
Pending legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
    • E21F17/103—Dams, e.g. for ventilation
    • E21F17/12—Dam doors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00—Braking devices, e.g. checks; Stops; Buffers
    • E05F5/06—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops
    • E05F5/08—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops with springs
    • 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
    • E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
    • E06B1/04—Frames for doors, windows, or the like to be fixed in openings
    • E06B1/52—Frames specially adapted for doors
    • E06B1/526—Frames specially adapted for doors for door wings that can be set up to open either left or right, outwards or inwards, e.g. provided with grooves for easily detachable hinges or latch plates
    • 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
    • E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
    • E06B1/56—Fastening frames to the border of openings or to similar contiguous frames
    • E06B1/58—Fastening frames to the border of openings or to similar contiguous frames by filling up the joints, e.g. by cementing
    • 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
    • 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
    • E06B5/12—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 against air pressure, explosion, or gas
    • E06B5/125—Closures for relieving excess pressure inside the building
    • 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
    • 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
    • E06B2003/7049—Specific panel characteristics
    • 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
    • E06B2003/7057—Door leaves with little passing through doors

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Special Wing (AREA)

Abstract

The invention discloses an explosion venting door for safety protection of a coal mine fire area, which comprises a door frame and a door leaf arranged in the door frame, wherein the left side of the door leaf is connected with the door frame through more than one hinge, more than one group of explosion venting holes are formed in the outer surface of the door leaf, each group of explosion venting holes consists of more than one through hole, the through holes in each group of explosion venting holes are uniformly distributed in a rectangular structure, an explosion venting small door for covering the through holes is arranged in front of each group of explosion venting holes, the left opening of each through hole is arranged in a cylindrical structure, the explosion venting small door protrudes outwards from the through holes to form a sealing part with a conical structure, and one end of the sealing part is inserted into the through hole. According to the invention, the impact wave sprayed from the front can be prevented from directly hitting workers, ores carried in the impact wave are prevented from flying out to hit workers ahead, meanwhile, the door frame and the door leaf are provided with the protection structures to be prevented from being washed away, and the safety is higher.

Description

Explosion venting door for safety protection of coal mine fire area
Technical Field
The invention relates to the technical field of explosion venting doors, in particular to an explosion venting door for safety protection of a coal mine fire area.
Background
When a fire accident happens under a coal mine, if the fire cannot be directly extinguished, a fire area is closed, and a gas explosion accident is often caused in the closing process. The existing sealing technology is mainly used for building a sealing wall, the sealing time is too long, gas explosion accidents are easily caused, the building sealing work risk is high, the sealing is a whole body, a quick pressure relief device and a fault escape channel are not arranged, the compressive strength is low, the effect of blocking explosion shock waves and flame waves is not provided, once the gas explosion accidents occur, the gas explosion accidents are easily damaged due to the influence of the explosion shock waves, the sealing is required to be built again manually after the gas explosion accidents occur, secondary explosion and even continuous explosion often occur, and a large amount of casualties are easily caused.
At present, patent CN 105927273 a discloses a coal mine fire district quick-closing explosion venting door, including the door frame and install in the door leaf of door frame, the door leaf can be relative the door frame is opened or closed, be equipped with at least one on the door leaf and let out and explode the window, let out and explode the area of window and be less than the area of door leaf, let out and explode the top of window through the pivot pin joint in the door leaf, when being strikeed, let out and explode the window around the pivot rotates to open in order to let out explode, let out explode the completion after let out explode the window self-sealing. Explosion venting is performed by opening an explosion venting window.
However, after the explosion venting window in the above patent is opened, the explosion venting window directly faces the mine from the front, once a worker runs in front of the door leaf, the worker can be directly hit by the shock wave sprayed from the front, and the worker is injured.
Therefore, the explosion venting door for the safety protection of the coal mine fire area is provided.
Disclosure of Invention
The invention aims to provide an explosion venting door for safety protection of a coal mine fire area, which can prevent impact waves sprayed from the front side from directly hitting workers, prevent ores carried in the impact waves from flying out to hit the workers ahead, meanwhile, protect a door frame and a door leaf from being washed away, and has high safety so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the explosion venting door for safety protection in a coal mine fire area comprises a door frame and a door leaf arranged in the door frame, wherein the left side of the door leaf is connected with the door frame through more than one hinge, more than one group of explosion venting holes are formed in the outer surface of the door leaf, each group of explosion venting holes consists of more than one through hole, the through holes in each group of explosion venting holes are uniformly distributed in a rectangular structure, an explosion venting small door for covering the through holes is arranged in front of each group of explosion venting holes, the left opening of each through hole is arranged in a cylindrical structure, the explosion venting small door is outwards protruded towards the through holes to form a sealing part with a conical structure, one end of each sealing part is inserted into the through hole and seals the through hole, more than one movable hinge is welded at the upper end of each explosion venting small door, one end of each movable hinge is welded and fixed on the door leaf, and a baffle with a factory-type structure is also arranged at the upper end of each explosion, and one end of the baffle is welded and fixed on the door leaf.
Can effectually block the ore through the through-hole, avoid the ore through letting out the hole of exploding, and can effectually block through the baffle letting out the small door of exploding, avoided letting out the complete opening of small door of exploding, let out the small door of exploding that opens through the slope and enable the downward discharge of shock wave slope, avoided positive impact to the workman when letting out the explosion, increased the security.
Preferably, the upper end face and the lower end face of the inside of the door frame are both provided with an inward concave positioning notch, the upper end face and the lower end face of the door leaf are both provided with an outward convex positioning part, and one end of each positioning part is inserted into each positioning notch.
This setting has increased the area of contact between door leaf and the door frame to the increase that can be better blocks the effect.
Preferably, more than one first connecting lug is fixedly welded on the left side of the surface of the door frame, a second connecting lug is fixedly welded on the left side of the surface of the door leaf opposite to the first connecting lug, and a steel wire rope is connected between the first connecting lug and the second connecting lug.
The door leaf can be effectively pulled through the steel wire rope, the door leaf is prevented from being washed away by shock waves, and the safety is improved.
Preferably, the right side of the surface of the door frame is fixedly welded with a fixing plate of an L-shaped structure, the right side of the surface of the door leaf is provided with a bearing in an embedded mode, an axle rod is fixedly welded in an inner ring of the bearing, one end of the axle rod is fixedly welded with a cross rod, the right side of the cross rod is inserted into the fixing plate from top to bottom, and the surface of the cross rod is fixedly welded with a handle.
The connecting firmness between the door leaf and the door frame is increased through the cross rod.
Preferably, more than one positioning rod is fixedly welded on the outer wall surface of the door frame and inserted into the mine, and the positioning rods are fixedly poured between the positioning rods and the mine.
This setting has increased the fastness of being connected between door frame and the mine, has avoided the door frame to be washed away by shock wave and has flown.
Preferably, a rubber layer is adhered and fixed on the inner side face of the inclined end of the baffle.
After the explosion venting small door strikes the baffle, the impact force can be effectively reduced through the rubber layer, and the buffering effect is effectively achieved.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, ores can be effectively blocked through the through holes, so that the ores are prevented from passing through the explosion venting holes, the explosion venting small door can be effectively blocked through the baffle plate, the explosion venting small door is prevented from being completely opened, shock waves can be obliquely and downwards discharged through the obliquely opened explosion venting small door, the front impact on workers is avoided while explosion venting is carried out, the safety is improved, and the safety of a door frame and a door leaf is improved through the steel wire rope and the positioning rod.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a combination view of the door frame and the door leaf according to the present invention.
In the figure: 1. a door frame; 2. a door leaf; 3. a baffle plate; 4. a second engaging lug; 5. a wire rope; 6. a first connecting lug; 7. a small explosion venting door; 8. a cross bar; 9. a fixing plate; 10. a rubber layer; 11. a handle; 12. a positioning part; 13. a through hole; 14. positioning a rod; 15. and a sealing part.
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 and fig. 2, the present invention provides a technical solution:
an explosion venting door for safety protection in a coal mine fire area comprises a door frame 1 and a door leaf 2 arranged in the door frame 1, wherein the left side of the door leaf 2 is connected with the door frame 1 through more than one hinge, more than one group of explosion venting holes are formed in the outer surface of the door leaf 2, each group of explosion venting holes consists of more than one through hole 13, the through holes 13 in each group of explosion venting holes are uniformly distributed in a rectangular structure, an explosion venting small door 7 covering the through holes 13 is arranged in front of each group of explosion venting holes, the left opening of each through hole 13 is arranged in a cylindrical structure, the explosion venting small door 7 protrudes outwards from the through holes 13 to form a sealing part 15 with a conical structure, one end of each sealing part 15 is inserted into the through hole 13 and seals the through hole 13, more than one movable hinge is welded at the upper end of each explosion venting small door 7, one end of each movable hinge is welded and fixed on the door leaf 2, the upper end of the explosion venting small door 7 is also provided with a baffle 3 with a factory-shaped structure, and one end of the baffle 3 is welded and fixed on the door leaf 2.
Can effectually block the ore through-hole 13, avoid the ore through letting out the hole of exploding, and can effectually block through baffle 3 letting out explosion door 7, avoided letting out the complete opening of explosion door 7, let out explosion door 7 through the slope is opened and to be enabled the downward discharge of shock wave slope, avoided positive impact to the workman when letting out the explosion, increased the security.
Specifically, as shown in fig. 2, an inwardly concave positioning notch is formed on each of the upper and lower end surfaces inside the door frame 1, an outwardly convex positioning portion 12 is formed on each of the upper and lower end surfaces of the door leaf 2, and one end of each positioning portion 12 is inserted into each positioning notch.
Through adopting above-mentioned technical scheme, this setting has increased the area of contact between door leaf 2 and the door frame 1 to the increase that can be better blocks the effect.
Specifically, as shown in fig. 1, more than one first connecting lug 6 is fixedly welded to the left side of the surface of the door frame 1, a second connecting lug 4 is fixedly welded to the left side of the surface of the door leaf 2 opposite to the first connecting lug 6, and a steel wire rope 5 is connected between the first connecting lug 6 and the second connecting lug 4.
Through adopting above-mentioned technical scheme, can effectually hold door leaf 2 through wire rope 5, avoid door leaf 2 to be washed away by shock wave, increased the security.
Specifically, as shown in fig. 1, a fixing plate 9 of an L-shaped structure is welded and fixed to the right side of the surface of the door frame 1, a bearing is embedded and installed on the right side of the surface of the door leaf 2, a shaft rod is welded and fixed to an inner ring of the bearing, a cross rod 8 is welded and fixed to one end of the shaft rod, the cross rod 8 is inserted into the fixing plate 9 from top to bottom on the right side, and a handle 11 is welded and fixed to the surface of the cross rod 8.
Through adopting above-mentioned technical scheme, increased the fastness of connection between door leaf 2 and the doorframe 1 through horizontal pole 8.
Specifically, as shown in fig. 1, more than one positioning rod 14 is fixedly welded to the outer wall surface of the door frame 1, and the positioning rod 14 is inserted into a mine and fixed to the mine by casting.
Through adopting above-mentioned technical scheme, this setting has increased the fastness of connection between door frame 1 and the mine, has avoided door frame 1 to be dashed by shock wave and has flown.
Specifically, as shown in fig. 2, a rubber layer 10 is adhered and fixed on the inner side surface of the inclined end of the baffle 3.
Through adopting above-mentioned technical scheme, let out after explosion little door 7 strikes baffle 3, can effectually reduce the impact force through rubber layer 10, the effectual cushioning effect that plays.
The working principle is as follows: this colliery fire district safety protection is with letting out explode door can effectually block the ore through-hole 13, avoided the ore through letting out the hole of exploding, and can effectually block through baffle 3 letting out explode little door 7, avoided letting out to explode the complete opening of little door 7, let out that explode little door 7 through the slope and enable the downward discharge of shock wave slope, let out the positive workman of strikeing of having avoided when exploding, the security has been increased, and the security that has increased door frame 1 and door leaf 2 through wire rope 5 and locating lever 14.
The using method comprises the following steps: when in use, firstly, the explosion venting door is arranged at a proper position in a mine, then, the explosion venting door is closed, the cross rod 8 is rotated through the handle 11, the cross rod 8 is inserted into the fixing plate 9, like a bolt is arranged on the door, the connection stability between the two is increased, finally, after the explosion is generated inside, the shock wave generated by the explosion can be directly discharged from the through hole 13, the discharged shock wave can effectively and upwards impact the explosion venting small door 7 until the explosion small door 7 is abutted against the rubber layer 10 on the inclined surface of the baffle plate 3, the buffering effect is increased through the rubber layer 10, the explosion venting small door 7 can be obliquely opened through the baffle plate 3, the shock wave can obliquely impact the ground along the inclined surface, the front impact on workers is avoided, the ore can be effectively blocked through the through hole 13, and the ore can be prevented from passing through the explosion venting small door 7, the worker is prevented from being hit, after explosion venting is completed, the explosion venting small door 7 is restored to the original position under the action of the gravity of the explosion venting small door, the sealing part 15 is inserted into the through hole 13 again, and the through hole 13 is sealed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a colliery fire district safety protection is with letting out explosion door, includes door frame (1) and sets up door leaf (2) in door frame (1), its characterized in that: the left side of the door leaf (2) is connected with the door frame (1) through more than one hinge, more than one group of explosion venting holes are formed in the outer surface of the door leaf (2), each group of explosion venting holes is composed of more than one through hole (13), the through holes (13) in each group of explosion venting holes are uniformly distributed in a rectangular structure, an explosion venting small door (7) covering the through holes (13) is arranged in front of each group of explosion venting holes, the left opening of each through hole (13) is arranged in a cylindrical structure, the explosion venting small door (7) protrudes outwards from the through holes (13) to form a sealing part (15) of a conical structure, one end of each sealing part (15) is inserted into each through hole (13) and seals the through holes (13), more than one movable hinge is welded to the upper end of the explosion venting small door (7), one end of each movable hinge is welded and fixed to the door leaf (2), and a baffle (3) of a factory type structure is arranged at the upper end of each explosion venting small door (7), and one end of the baffle (3) is welded and fixed on the door leaf (2).
2. The explosion venting door for the safety protection of the coal mine fire area as claimed in claim 1, wherein: the door frame is characterized in that the upper end face and the lower end face of the interior of the door frame (1) are respectively provided with an inward concave positioning notch, the upper end face and the lower end face of the door leaf (2) are respectively provided with an outward convex positioning part (12), and one end of each positioning part (12) is inserted into each positioning notch.
3. The explosion venting door for the safety protection of the coal mine fire area as claimed in claim 1, wherein: the left side on door frame (1) surface welded fastening installs more than one first engaging lug (6), the left side on door leaf (2) surface is just to first engaging lug (6) department all welded fastening second engaging lug (4), and all connects a wire rope (5) between first engaging lug (6), second engaging lug (4).
4. The explosion venting door for the safety protection of the coal mine fire area as claimed in claim 1, wherein: the door frame is characterized in that a fixing plate (9) of an L-shaped structure is fixedly welded on the right side of the surface of the door frame (1), a bearing is installed on the right side of the surface of the door leaf (2) in an embedded mode, a shaft lever is fixedly welded in an inner ring of the bearing, a cross rod (8) is fixedly welded at one end of the shaft lever, the right side of the cross rod (8) is inserted into the fixing plate (9) from top to bottom, and a handle (11) is fixedly welded on the surface of the cross rod (8).
5. The explosion venting door for the safety protection of the coal mine fire area as claimed in claim 1, wherein: more than one positioning rod (14) is fixedly welded on the outer wall surface of the door frame (1), and the positioning rods (14) are inserted into the mine and are fixedly poured with the mine.
6. The explosion venting door for the safety protection of the coal mine fire area as claimed in claim 1, wherein: and a rubber layer (10) is adhered and fixed on the inner side surface of the inclined end of the baffle (3).
CN201911243591.4A 2019-12-06 2019-12-06 Explosion venting door for safety protection of coal mine fire area Pending CN110905599A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911243591.4A CN110905599A (en) 2019-12-06 2019-12-06 Explosion venting door for safety protection of coal mine fire area

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Application Number Priority Date Filing Date Title
CN201911243591.4A CN110905599A (en) 2019-12-06 2019-12-06 Explosion venting door for safety protection of coal mine fire area

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CN110905599A true CN110905599A (en) 2020-03-24

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114033288A (en) * 2021-11-30 2022-02-11 湖南格瑞斯门业有限公司 Steel explosion venting door
CN114165149A (en) * 2021-11-25 2022-03-11 无锡市中旭环保设备有限公司 From open closed pressure release door with pressure regulation function

Citations (10)

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Publication number Priority date Publication date Assignee Title
DE1102377B (en) * 1957-09-07 1961-03-16 Vincenzo Moracchi Air protection door with splinter protection made of loosely stacked concrete beams on the outside
US4276725A (en) * 1979-07-12 1981-07-07 Ash John E Method and apparatus for releasing an elevated pressure developed behind a wall
US20070271845A1 (en) * 2006-05-26 2007-11-29 Wen Ming Chang Explosion-venting door structure
CN205135323U (en) * 2015-07-16 2016-04-06 北京五加防盗门制造有限公司 Let out and explode door
CN105927273A (en) * 2016-05-26 2016-09-07 辽宁工程技术大学 Fast closing venting door of coal mine fire area
CN106223808A (en) * 2016-08-30 2016-12-14 徐燕 A kind of explosion relief door
CN206386033U (en) * 2017-01-18 2017-08-08 南京恒威防护设备有限公司 One kind dangles formula explosion wave prevention active door
CN208251956U (en) * 2018-04-23 2018-12-18 广东龙电安防产品有限公司 A kind of novel venting of dust explosion door
CN209398267U (en) * 2018-09-26 2019-09-17 北京宝源润达人防设备有限公司 A kind of hanging deck type explosion blast proof movable door
CN209539154U (en) * 2018-10-16 2019-10-25 溧阳市鑫麒环保机械有限公司 A kind of gravity explosion relief door

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1102377B (en) * 1957-09-07 1961-03-16 Vincenzo Moracchi Air protection door with splinter protection made of loosely stacked concrete beams on the outside
US4276725A (en) * 1979-07-12 1981-07-07 Ash John E Method and apparatus for releasing an elevated pressure developed behind a wall
US20070271845A1 (en) * 2006-05-26 2007-11-29 Wen Ming Chang Explosion-venting door structure
CN205135323U (en) * 2015-07-16 2016-04-06 北京五加防盗门制造有限公司 Let out and explode door
CN105927273A (en) * 2016-05-26 2016-09-07 辽宁工程技术大学 Fast closing venting door of coal mine fire area
CN106223808A (en) * 2016-08-30 2016-12-14 徐燕 A kind of explosion relief door
CN206386033U (en) * 2017-01-18 2017-08-08 南京恒威防护设备有限公司 One kind dangles formula explosion wave prevention active door
CN208251956U (en) * 2018-04-23 2018-12-18 广东龙电安防产品有限公司 A kind of novel venting of dust explosion door
CN209398267U (en) * 2018-09-26 2019-09-17 北京宝源润达人防设备有限公司 A kind of hanging deck type explosion blast proof movable door
CN209539154U (en) * 2018-10-16 2019-10-25 溧阳市鑫麒环保机械有限公司 A kind of gravity explosion relief door

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114165149A (en) * 2021-11-25 2022-03-11 无锡市中旭环保设备有限公司 From open closed pressure release door with pressure regulation function
CN114165149B (en) * 2021-11-25 2023-12-15 无锡市中旭环保设备有限公司 Self-opening and closing type pressure relief door with pressure regulating function
CN114033288A (en) * 2021-11-30 2022-02-11 湖南格瑞斯门业有限公司 Steel explosion venting door

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