CN108547555A - One kind is every cigarette heavy pressure fine spray cover safe house formula intelligent fire-pretection system - Google Patents
One kind is every cigarette heavy pressure fine spray cover safe house formula intelligent fire-pretection system Download PDFInfo
- Publication number
- CN108547555A CN108547555A CN201810449489.9A CN201810449489A CN108547555A CN 108547555 A CN108547555 A CN 108547555A CN 201810449489 A CN201810449489 A CN 201810449489A CN 108547555 A CN108547555 A CN 108547555A
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- China
- Prior art keywords
- door body
- fire
- water
- fine spray
- heavy pressure
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/005—Delivery of fire-extinguishing material using nozzles
-
- 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
- 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
- E06B2003/7051—Specific panel characteristics of layered construction involving different materials
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The present invention discloses one kind every cigarette heavy pressure fine spray cover safe house formula intelligent fire-pretection system, and door body ecto-entad includes solid wood board layer and refractory material layer, and the inner cavity of refractory material layer is equipped with water tank, air pump, water pump；Door body front and/or the back side are equipped with several nozzles along door body upside and left and right sides edge, bury water-supply-pipe inside door body, nozzle is connect by water-supply-pipe with water pump；The embedded air inlet pipe in door body edge, air inlet pipe are uniformly provided with several stomatas outside towards door body, absorb flue gas at crack between a door and its frame for passing through air pump.This fire-fighting system realizes water mists cover safe house technology, and merges negative pressure smoke discharging function, and smoke discharging effect is good, victims can be allowed to hide fire；Door body space is reduced, application range is expanded；This fire-fighting system can also add the intelligent objects such as image capture module, controller, water mists cover size can be intelligently adjusted according to the intensity of a fire, while fire information distal end being transmitted, understand control fire condition in time convenient for personnel, have higher level of intelligence.
Description
Technical field
The invention belongs to fire resistant doorsets or similar closing device fields, and especially one kind is every cigarette heavy pressure fine spray cover safe house formula
Intelligent fire-pretection system.
Background technology
Fire resistant doorsets refer to the door that can meet fire stability, integrality and thermal insulation within a certain period of time and require.Purpose is
Ensure to protect the prestige of the people that is escaping in escape route from fire within one section of reasonable time (be typically escape time)
The side of body, including barrier dense smoke, and certain safeguard protection space is provided for disaster-stricken crowd.However existing fire prevention gate technique exists at present
Flue gas and heating power are obstructed, safeguard protection space etc. is provided for victims, is difficult to reach good effect.
The prior art provides safeguard protection space etc., such as Patent No. in barrier heating power for victims
The fire resistant doorsets for a kind of no fire endurance that 2015102558125 patent provides, by being arranged filled with water in doorframe
Vessel makes fire resistant doorsets play fireproofing function using the heat absorption and fire-fighting characteristic of water.In another example the patent of Patent No. 002237253
A kind of water-fog type provided puts fireproof and theftproof door, is equipped with water pipeline component, and the ozzle of component sprays water mist in the attached of door-plate
Closely, gasification takes away heat to play cooling fireproof effect.The mode of both fire resistant doorsets, although can obstruct door to a certain degree
The outer intensity of a fire and heating power, but when outdoors with fire all occurs in door, i.e. victims be in raging fire surround among when, both are anti-
Vent just all loses the effect of isolation heating power, and when waiting for rescue, the space hidden can not be provided for victims, is unfavorable for
Victims escape or wait for rescue.
In addition, in terms of obstructing flue gas, for example, Patent No. 2015211174098 a kind of smoke filtration for providing of patent
Fire resistant doorsets are equipped with clean room by the way that air intlet and air outlet slit are arranged on door between air intlet and air outlet slit, and
Filter assemblies are equipped in clean room, to reach smoke filtering effect.In another example the patent of Patent No. 2016104938320 carries
A kind of smoke-exhaust fire device supplied, fire exit door is externally provided with fume extractor, by devices such as external aspiration channel, wind turbines, by door
Around smoke absorption and drain into other positions.In the technology of both barrier flue gases, the exhaust gas volumn that the former absorbs is limited, flue gas
It generally spreads out of door four circumferential doors, by the way that inlet, outlet and filter assemblies is arranged in door leaf tow sides, is unable to reach good
The effect of good barrier air, flue gas can penetrate into instead from door surrounding, endanger victims' life；The latter's package unit is excessively multiple
It is miscellaneous, and the combination of the equipment such as external aspiration channel and wind turbine is needed, when external device is damaged because of high temperature of fire, fire resistant doorsets completely cut off cigarette
The effect of gas will be unable to realize.
Invention content
For the above the deficiencies in the prior art, the present invention provides one kind intelligently to disappear every cigarette heavy pressure fine spray cover safe house formula
Anti- system not only has good every cigarette effect, moreover it is possible to provide a suitable solid space waited for rescue for victims, hinder
Keep off surrounding raging fire and high temperature injury victims.It is realized especially by following technology.
One kind is every cigarette heavy pressure fine spray cover safe house formula intelligent fire-pretection system, and the fire exit door door body of the fire-fighting system is by outer
Include inwardly the solid wood board layer fitted closely and refractory material layer, forms inner cavity in the refractory material layer, the inner cavity is equipped with
Water tank, air pump, water pump, the water tank are connect with water pump；
The front and/or the back side of the door body are equipped with several nozzles, the door along door body upside and left and right sides edge
Internal portion is embedded with water-supply-pipe, and the nozzle is connect by the water-supply-pipe with the water pump；
The edge of the door body is embedded with air inlet pipe, if the air inlet pipe is uniformly provided with outside towards the door body
Dry gas hole, the stomata are used to absorb the flue gas at the door body surrounding crack between a door and its frame；The air pump both ends respectively with exhaust pipe, described
Air inlet pipe connects.
Above-mentioned fire-fighting system when in use, closes fire exit door door body, opens air pump and water pump, under air pump effect, is disappearing
Negative pressure is formed at the surrounding crack between a door and its frame of anti-door door body, the flue gas that fire exit door door body surrounding crack between a door and its frame is penetrated into sucks air inlet pipe, then by arranging
Tracheae is discharged；Under water pump effect, the water in water tank is sprayed from the nozzle of door body both sides and top, due to gravity, water
Stream makees parabolic motion, and region surrounds to form a large range of water mists cover near door body, can in water mists cover
Accommodate 1 or more victims.The fire exit door door body of this fire-fighting system uses integrated design, and smoke evacuation and water spray are formed thin water
Two functions of mist cover incorporate in the internal structure of door, substantially reduce required the space occupied so that this fire exit door door body is not
It is simply possible to use in industrial circle, in the house that can be also used for resident.Such as the door in some room of residenter house is made this
Fire occurs for fire-fighting system when stranded resident family, and on the one hand fire exit door door body prevents smog from penetrating into, one side water mists cover is also
Victims provide a space for hiding fire.In addition, for there are the room of gas leak, this door can also absorb coal gas row
Go out, avoids damaging people.
Preferably, the front and back of the door body is equipped with several nozzles along door body upside and left and right sides edge,
The nozzle of front and back is respectively connect using independent water-supply-pipe with the water pump, and every water-supply-pipe is equipped with valve
Door.This purpose is that not only the obverse and reverse of door can spray water to form water mists cover simultaneously, acceptable artificial control valve,
The nozzle of one side is only opened, applicable range and fire scenario are wider.
Preferably, the door body be equipped with adjust the gentle pump power of water pump control panel, the control panel respectively with
The water pump and air pump electrical connection.This purpose is that smoke discharging effect can be adjusted by adjusting air pump power, and adjusting pump power can control
The flow velocity of the water of ejection can wrap up the area of covering, to accommodate appropriate number of victims to control water mists cover.
Preferably, the raw material of the refractory material layer is perlite, asbestos, rock wool, magnesia.
Preferably, the door body surface coats steel plate, and the nozzle and the corresponding hole of stomata are reserved on the steel plate.
The more enough fireproofing and heat resistant performances for improving fire exit door door body of steel plate, extend taking refuge the time for victims.
It is highly preferred that the steel plate is fire resisting galvanized steel plain sheet.
Preferably, the door body is equipped with image capture module, and described image acquisition module is equipped with physical address, the figure
Picture acquisition module is connect by LAN with controller, and the controller is connect by internet with Fire Net center；It is described
Controller includes micro treatment module, flame identification module, data memory module, data transmit-receive module.Described image acquisition module
For a kind of high definition high speed camera, contribute to the shooting of scene of fire, described image acquisition module that can be continuously shot fire exit door
Fire hazard environment image near door body is sent to the controller, by flame identification module to a large amount of flames by LAN
Image is compared, and judges fire from fire disaster flame area of flame, flame fringe shake, flame profile, flame location etc. are many-sided
Gesture size, and the denoising by micro treatment module to image, Edge contrast keep image smoother clear；Then pass through internet
Picture signal is sent to other commanding agencies such as the Fire Net center of distal end, the staff of network center can be according to image
The physical address of acquisition module sends police strength appropriate that scene of fire is gone to put out a fire using nearby principle.In addition, controller is also
It can be by local area network remote regulating water pump pressure, to control the space size of safe house.
It is highly preferred that being additionally provided with face recognition module in the door body.This purpose is, by Migrant women into pedestrian
Face identifies, related data with data memory module compare, or related data is passed by data transmit-receive module
Distal end safety supervision department is transported to, judges Migrant women identity information, there is certain forewarning function.
Compared with prior art, the invention has the beneficial effects that：
1, using integrated design, smoke discharging function and water spray are formed into the internal structure that two functions of water mists cover incorporate door
In, required fire-fighting system the space occupied is substantially reduced, is applied not only to the larger industrial occupancy of room area, moreover it can be used to room
Between the smaller residenter house of area；
2, water mists cover is formed by water spray in fire-fighting system, compared and the prior art, can by water mists cover by
Calamity person keeps apart with external fire, protects victims from the injury of fire；
3, poison gas is absorbed and excluded by the way of negative pressure, and effect is more compared to the filter assemblies such as activated carbon effect
It is good；
It 4, can be according to the intensity of a fire by adding the intelligent objects such as high definition high speed camera, micro-chip processor, GPS communication module
Intelligence adjusts water mists cover size, while fire information distal end being transmitted, and has higher level of intelligence.
Description of the drawings
Fig. 1 is that a kind of front outer portion every cigarette heavy pressure fine spray cover safe house formula intelligent fire-pretection system of embodiment 1 is illustrated
Figure；
Fig. 2 is a kind of positive internal structure every cigarette heavy pressure fine spray cover safe house formula intelligent fire-pretection system of embodiment 1
Schematic diagram；
Fig. 3 is a kind of lateral inner structure every cigarette heavy pressure fine spray cover safe house formula intelligent fire-pretection system of embodiment 1
Schematic diagram；
Fig. 4 is a kind of office of lateral inner every cigarette heavy pressure fine spray cover safe house formula intelligent fire-pretection system of embodiment 1
Portion's enlarged structure schematic diagram；
Fig. 5 is a kind of lateral inner structure every cigarette heavy pressure fine spray cover safe house formula intelligent fire-pretection system of embodiment 2
Schematic diagram；
Figure label is as follows：
1, door body；2, solid wood board layer；3, perlite refractory material layer；4, inner cavity；5, water tank；6, air pump；7, water pump；8, it sprays
Mouth；9, water-supply-pipe；10, air inlet pipe；11, stomata.
Specific implementation mode
Below in conjunction with the attached drawing in the present invention, technical scheme of the present invention is clearly and completely described, it is clear that
Described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the implementation in the present invention
Example, all other embodiment that those of ordinary skill in the art are obtained under the conditions of not making creative work belong to
The scope of protection of the invention.
Embodiment 1
It is as shown in figures 1-4, provided in this embodiment a kind of every cigarette heavy pressure fine spray cover safe house formula intelligent fire-pretection system,
1 ecto-entad of fire exit door door body of the fire-fighting system includes the solid wood board layer 2 fitted closely and perlite refractory material layer 3,
Inner cavity 4 is formed in the perlite refractory material layer 3, the inner cavity 4 is equipped with water tank 5, air pump 6, water pump 7, the water tank 5 and water
7 connection of pump；
The front of the door body 1 is equipped with several nozzles 8, the door body 1 along 1 upside of the door body and left and right sides edge
Inside is embedded with water-supply-pipe 9, and the nozzle 8 is connect by the water-supply-pipe 9 with the water pump 7；
The edge of the door body 1 is embedded with air inlet pipe 10, and the air inlet pipe 10 is uniform outside towards the door body 1
Equipped with several stomatas 11, the stomata 11 is used to absorb the flue gas at 1 surrounding crack between a door and its frame of the door body；Distinguish at 6 both ends of the air pump
It is connect with exhaust pipe, the air inlet pipe 10.
It is provided in this embodiment every cigarette heavy pressure fine spray cover safe house formula intelligent fire-pretection system when in use, close fire exit door
Door body opens air pump and water pump, under air pump effect, negative pressure is formed at the surrounding crack between a door and its frame of fire exit door door body, by fire exit door door
The flue gas that body surrounding crack between a door and its frame penetrates into sucks air inlet pipe, then is discharged by exhaust pipe；Under water pump effect, water in water tank is from door body two
It is sprayed in the nozzle of side and top, due to gravity, flow makees parabolic motion, and region surrounds to form one near door body
A large range of water mists cover can accommodate 1 or more victims in water mists cover.
The fire exit door of this fire-fighting system uses integrated design, and smoke evacuation and water spray are formed two functions of water mists cover and melted
In the internal structure of introduction, required the space occupied is substantially reduced so that this fire-fighting system can be used not only for industrial circle,
In the house that can be also used for resident.Such as the door in some room of residenter house is made into this fire-fighting system, fire occurs
And resident family it is stranded when, on the one hand fire-fighting system prevents smog from penetrating into, one side water mists cover also provides one for victims and hide
The space of fire.In addition, for there are the room of gas leak, this door can also absorb coal gas discharge, avoid to artificial into wound
Evil.
Embodiment 2
As shown in figure 5, provided in this embodiment a kind of every cigarette heavy pressure fine spray cover safe house formula intelligent fire-pretection system, knot
Structure is substantially the same manner as Example 1, the difference is that：The front and back of the door body 1 is along 1 upside of the door body and left and right
Both sides of the edge are equipped with several nozzles 8, and the nozzle 8 of front and back respectively uses independent water-supply-pipe 9 and the water pump 7
Connection, and every water-supply-pipe 9 is equipped with valve.
It is provided in this embodiment every cigarette heavy pressure fine spray cover safe house formula intelligent fire-pretection system, compared to embodiment 1, fire-fighting
2 faces of door door body can generate water mists cover, and the water mists cover function in each face can be opened individually, can also be opened simultaneously, energy
It enough accommodates more people and hides fire, the scope of application is wider.
Claims (8)
1. one kind is every cigarette heavy pressure fine spray cover safe house formula intelligent fire-pretection system, which is characterized in that the fire-fighting of the fire-fighting system
Door door body ecto-entad includes the solid wood board layer fitted closely and refractory material layer, and inner cavity, institute are formed in the refractory material layer
Inner cavity is stated equipped with water tank, air pump, water pump, the water tank is connect with water pump；
The front and/or the back side of the door body are along on the upside of door body and left and right sides edge is equipped with several nozzles, in the door body
Portion is embedded with water-supply-pipe, and the nozzle is connect by the water-supply-pipe with the water pump；
The edge of the door body is embedded with air inlet pipe, if the air inlet pipe is uniformly provided with dry gas outside towards the door body
Hole, the stomata are used to absorb the flue gas at the door body surrounding crack between a door and its frame；The air pump both ends respectively with exhaust pipe, the air inlet
Pipe connects.
2. one kind according to claim 1 is every cigarette heavy pressure fine spray cover safe house formula intelligent fire-pretection system, which is characterized in that
The front and back of the door body along on the upside of door body and left and right sides edge is equipped with several nozzles, front and back it is described
Nozzle is respectively connect using independent water-supply-pipe with the water pump, and every water-supply-pipe is equipped with valve.
3. one kind according to claim 1 or 2 is every cigarette heavy pressure fine spray cover safe house formula intelligent fire-pretection system, feature exists
In the door body is equipped with the control panel for adjusting the gentle pump power of water pump, and the control panel is gentle with the water pump respectively
Pump electrical connection.
4. one kind according to claim 1 or 2 is every cigarette heavy pressure fine spray cover safe house formula intelligent fire-pretection system, feature exists
In the raw material of the refractory material layer is perlite, asbestos, rock wool, magnesia.
5. one kind according to claim 1 or 2 is every cigarette heavy pressure fine spray cover safe house formula intelligent fire-pretection system, feature exists
In the door body surface coats steel plate, and the nozzle and the corresponding hole of stomata are reserved on the steel plate.
6. one kind according to claim 5 is every cigarette heavy pressure fine spray cover safe house formula intelligent fire-pretection system, which is characterized in that
The steel plate is fire resisting galvanized steel plain sheet.
7. one kind according to claim 1,2 or 6 is every cigarette heavy pressure fine spray cover safe house formula intelligent fire-pretection system, feature
It is, the door body is equipped with image capture module, and described image acquisition module is equipped with physical address, described image acquisition module
It is connect with controller by LAN, the controller is connect by internet with Fire Net center；The controller includes
Micro treatment module, flame identification module, data memory module, data transmit-receive module.
8. one kind according to claim 7 is every cigarette heavy pressure fine spray cover safe house formula intelligent fire-pretection system, which is characterized in that
It is additionally provided with face recognition module in the door body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810449489.9A CN108547555A (en) | 2018-05-11 | 2018-05-11 | One kind is every cigarette heavy pressure fine spray cover safe house formula intelligent fire-pretection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810449489.9A CN108547555A (en) | 2018-05-11 | 2018-05-11 | One kind is every cigarette heavy pressure fine spray cover safe house formula intelligent fire-pretection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108547555A true CN108547555A (en) | 2018-09-18 |
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ID=63494461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810449489.9A Pending CN108547555A (en) | 2018-05-11 | 2018-05-11 | One kind is every cigarette heavy pressure fine spray cover safe house formula intelligent fire-pretection system |
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| Country | Link |
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| CN (1) | CN108547555A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109138779A (en) * | 2018-10-18 | 2019-01-04 | 罗铭亮 | A kind of fire-proof smoke insulation door |
| CN111472649A (en) * | 2020-04-10 | 2020-07-31 | 上海银汀创新不锈钢发展有限公司 | Steel heat-insulation fireproof door leaf |
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| TW200840607A (en) * | 2007-04-04 | 2008-10-16 | Nat Huwei University Of Science And Technology | Smoke scrubbing water mist system |
| CN101293127A (en) * | 2008-06-16 | 2008-10-29 | 河南海力特机电制造有限公司 | Portable fire-proof smoke-proof and doorway-cooling device of fine spray |
| CN205743576U (en) * | 2016-05-11 | 2016-11-30 | 宁波爱瑞门业有限公司 | A kind of intelligent fire-proofing door |
| KR101703291B1 (en) * | 2016-08-05 | 2017-02-06 | (주)케이디 엔지니어링 건축사사무소 | Firedoorframe |
| CN206091778U (en) * | 2016-10-07 | 2017-04-12 | 佛山市艾臣智能门窗科技有限公司 | Multifunctional fire -proof door |
| CN206279960U (en) * | 2016-12-14 | 2017-06-27 | 天津华安天建门业有限公司 | A kind of Environmental-protection fire-proof door of controllable seal expansion |
| CN206299313U (en) * | 2016-11-28 | 2017-07-04 | 公安部四川消防研究所 | A kind of Initial Stage of Fire Smoke proofing and fire proofing door with drencher |
| CN208294380U (en) * | 2018-05-11 | 2018-12-28 | 武汉迪克坦科技有限公司 | One kind is every cigarette heavy pressure fine spray cover safe house formula intelligent fire-pretection system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TW200840607A (en) * | 2007-04-04 | 2008-10-16 | Nat Huwei University Of Science And Technology | Smoke scrubbing water mist system |
| CN101293127A (en) * | 2008-06-16 | 2008-10-29 | 河南海力特机电制造有限公司 | Portable fire-proof smoke-proof and doorway-cooling device of fine spray |
| CN205743576U (en) * | 2016-05-11 | 2016-11-30 | 宁波爱瑞门业有限公司 | A kind of intelligent fire-proofing door |
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| CN206299313U (en) * | 2016-11-28 | 2017-07-04 | 公安部四川消防研究所 | A kind of Initial Stage of Fire Smoke proofing and fire proofing door with drencher |
| CN206279960U (en) * | 2016-12-14 | 2017-06-27 | 天津华安天建门业有限公司 | A kind of Environmental-protection fire-proof door of controllable seal expansion |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109138779A (en) * | 2018-10-18 | 2019-01-04 | 罗铭亮 | A kind of fire-proof smoke insulation door |
| CN111472649A (en) * | 2020-04-10 | 2020-07-31 | 上海银汀创新不锈钢发展有限公司 | Steel heat-insulation fireproof door leaf |
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