CN217841422U

CN217841422U - Smoke-discharging fireproof door

Info

Publication number: CN217841422U
Application number: CN202221641567.3U
Authority: CN
Inventors: 曹鹏; 尚献波; 孟福东
Original assignee: Cnnc Lihua Fire Engineering Co ltd
Current assignee: Cnnc Lihua Fire Engineering Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-11-18
Anticipated expiration: 2032-06-29

Abstract

The application discloses prevent fire door of discharging fume, its include the fire prevention door frame, install in the fire prevention door frame prevent fire door body and be used for ordering about prevent fire door body pivoted fire prevention hinge, prevent being provided with on the fire door body and prevent fire door handle, including set up in prevent the temperature sensor on hand, still be provided with on the fire prevention door frame be used for to the automatic first subassembly that sprays water on the fire door handle. This application is to preventing the effect that the fire door handle cooled down when having indoor conflagration.

Description

Smoke-discharging fireproof door

Technical Field

The application relates to the field of fire-fighting equipment, in particular to a smoke-discharging fireproof door.

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, etc.

The fire door assembly generally includes a fire door frame, a fire door body mounted to the fire door frame, and a fire hinge actuating the fire door body to rotate, and further includes a fire door handle disposed on the fire door. When preventing the installation of fire door assembly, one side is towards indoor, opposite side towards fire control passageway, and prevents that the fire door body is usually towards the one-way promotion of fire control passageway, and when the indoor conflagration that breaks out, the people who is in indoor pushes away the fire prevention door handle and can open and prevent the fire door body, shifts to the fire control passageway.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the fire door handle among the correlation technique is mostly the metal preparation, has good fire prevention effect, but along with conflagration makes indoor temperature rise, the temperature of fire door handle also risees gradually for personnel are difficult to promote fire door handle, open fire door under the condition of not having the protection.

SUMMERY OF THE UTILITY MODEL

Prevent the higher problem of fire door handle temperature when the conflagration takes place in order to improve, this application provides a prevent fire door of discharging fume.

The application provides a prevent fire door that discharges fume adopts following technical scheme:

the utility model provides a fire door is prevented in discharging fume, includes the fire prevention door frame, install in the fire door body of fire prevention door frame with be used for ordering about prevent fire door body pivoted fire prevention hinge, prevent being provided with on the fire door body and prevent fire door handle, including set up in prevent the temperature sensor on hand, still be provided with on the fire door frame be used for to prevent the automatic first spray assembly who sprays water on the fire door handle.

By adopting the technical scheme, when a fire disaster occurs indoors, the temperature sensor detects that the temperature on the handle of the fireproof door is higher than a set numerical value which can be born by a human body, the first spraying assembly automatically and continuously sprays water onto the handle of the fireproof door to cool the handle of the fireproof door until the temperature sensor detects that the temperature of the handle of the door is lower than the set numerical value; realize the cooling to preventing fire door handle through temperature sensor and first spray assembly's cooperation, make stranded indoor personnel also can push away prevents fire door through preventing fire door handle under the condition that does not have relevant protective device, avoid indoor personnel to be scalded by the high temperature of preventing fire door handle when withdrawing as far as possible.

Optionally, the first spraying assembly includes a first water pipe communicated with a water source, the first water pipe is embedded in one side of the fireproof door frame perpendicular to the ground, a directional nozzle pointing to the fireproof door handle is communicated with the first water pipe, and the directional nozzle extends out of the fireproof door frame.

By adopting the technical scheme, the first water pipe is used for connecting a water source, and the directional spray head is used for spraying water towards the fireproof door handle so as to cool the fireproof door handle; the first water pipe embedded in the fireproof door frame can avoid damage caused by high temperature.

Optionally, one side of the fireproof door frame parallel to the ground is also embedded with a second water pipe communicated with the first water pipe, a plurality of atomizing nozzles are communicated on the second water pipe and arranged at intervals, and the atomizing nozzles are exposed out of the fireproof door frame.

Through adopting above-mentioned technical scheme, atomizer top-down is to preventing that fire door's week side blowout water smoke cools down to preventing fire door assembly and preventing fire door assembly week side, also can slow down the speed that fire door handle temperature rises to a certain extent.

Optionally, the first water pipe is communicated with a water tank, and an ice maker is arranged in the water tank.

Through adopting above-mentioned technical scheme, the ice maker can make the ice-cube and carry the ice-cube in the water tank, and the water that the water tank was extracted from external water source is by the ice-cube cooling back in the water tank, by directional shower nozzle blowout, can be better to the fire door handle cool down.

Optionally, the side wall of the fireproof door frame parallel to the ground and one side of the fireproof door frame located indoors are provided with air pipes, a plurality of exhaust heads are arranged on the air pipes at intervals, exhaust fans used for extracting indoor flue gas are arranged in the air pipes, and the exhaust heads are provided with filter mechanisms used for filtering smoke dust.

By adopting the technical scheme, after indoor personnel are evacuated, indoor smoke is pumped out of a room through the matching of the air pipe and the exhaust fan, so that the oxygen content in indoor air is reduced, and an indoor fire source can be extinguished more quickly; the air extracted is filtered through the filtering mechanism, and the flue gas particles in the air are prevented from entering the air pipe to cause the blockage of the air pipe as far as possible.

Optionally, the filtering mechanism includes a filter screen and an activated carbon bag, and further includes a component for mounting and dismounting the filter screen and the activated carbon bag on the exhaust head.

Through adopting above-mentioned technical scheme, filter screen and active carbon package can both effectively adsorb the smoke and dust granule in the air, avoid the flue gas granule to get into the tuber pipe and lead to the tuber pipe to block up, and the active carbon package also can absorb the harmful compound that indoor burning of burning source is incomplete to a certain extent, and then avoids causing harm to external personnel or external environment via the tuber pipe combustion gas.

Optionally, the mounting and dismounting assembly comprises a mounting basket, the activated carbon pack is movably arranged in the mounting basket, and the filter screen is movably inserted into the mounting basket and closes the cross section of the mounting basket; the mounting basket is also provided with a fixing structure for detachably connecting the mounting basket to the exhaust head.

Through adopting above-mentioned technical scheme, put into the installation basket with the active carbon package after, insert the filter screen again and locate in the installation basket, connect the installation basket in the exhaust head through fixed knot structure at last, can install the active carbon package on the tuber pipe with the filter screen together.

Optionally, the fixing structure includes an internal thread provided on the inner wall of the mounting basket and an external thread provided on the outer side wall of the exhaust head.

Through adopting above-mentioned technical scheme, rotate the installing frame and can be connected or pull down it with the head of airing exhaust, easy operation is convenient for change the active carbon package and the clearance to the filter screen.

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

1. the temperature sensor is matched with the first spraying assembly to cool the fireproof door handle, so that people trapped in a room can push the fireproof door body through the fireproof door handle without related protective tools, and the indoor people are prevented from being scalded by high temperature of the fireproof door handle during evacuation as much as possible;

2. the ice maker can make ice blocks and convey the ice blocks into the water tank, and water pumped by the water tank from an external water source is sprayed out by the directional spray head after being cooled by the ice blocks in the water tank, so that the fireproof door handle can be better cooled;

3. after indoor personnel are evacuated, indoor smoke is extracted outdoors through the matching of the air pipe and the exhaust fan, so that the oxygen content in indoor air is reduced, and an indoor fire source can be extinguished more quickly; the air extracted is filtered through the filtering mechanism, and the flue gas particles in the air are prevented from entering the air pipe to cause the blockage of the air pipe as far as possible.

Drawings

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

Fig. 2 is a schematic structural diagram mainly showing a first spray assembly and a second spray assembly in the embodiment of the present application.

Fig. 3 is a schematic structural diagram mainly used for showing an air duct and a filtering mechanism in the embodiment of the application.

Fig. 4 is an enlarged schematic view of a portion a in fig. 3.

Reference numerals: 11. a fireproof door frame; 12. a fire door body; 13. a fire door handle; 2. a first spray assembly; 21. a first water pipe; 22. a directional nozzle; 23. a water tank; 24. a water valve; 3. a second spray assembly; 31. a second water pipe; 32. an atomizing spray head; 41. an air duct; 42. an exhaust head; 43. an exhaust fan; 44. a filtering mechanism; 441. filtering with a screen; 442. an active carbon bag; 443. installing and detaching the component; 4431. installing a basket; 4432. a limiting strip; 4433. a card slot; 4434. and (4) a slot.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses prevent fire door discharges fume. Referring to fig. 1, prevent fire door including preventing fire door assembly, prevent fire door assembly includes fire door frame 11, install on fire door frame 11 prevent fire door body 12 and be convenient for prevent fire door body 12 pivoted fire prevention hinge (not shown in the figure), prevent being provided with on the fire door body 12 and prevent fire door handle 13, it has temperature sensor (not shown in the figure) to embed on the fire door handle 13, the temperature sensor electricity is connected with the controller, install in the fire door frame 11 and be used for the automatic first spray assembly 2 that sprays the water cooling to fire door handle 13 when the high temperature and be used for spraying the second spray assembly 3 of water cooling to preventing fire door body 12.

Specifically, referring to fig. 1 and 2, the first spray assembly 2 includes a first water pipe 21 embedded in the fireproof door frame 11 and a directional spray head 22 communicated with the first water pipe 21, the second spray assembly 3 includes a second water pipe 31 embedded in the fireproof door frame 11 and a plurality of atomization spray heads 32 communicated with the second water pipe 31, the directional spray head 22 extends out of the fireproof door frame 11, and the atomization spray heads 32 are exposed out of the fireproof door frame 11.

The first water pipe 21 is embedded in two vertical opposite sides of the fireproof door frame 11, the second water pipe 31 is embedded in the transverse top end of the fireproof door frame 11, two sections of the second water pipe 31 are respectively arranged on two sides of the fireproof door body 12 facing the indoor/fire fighting channel, and the two sections of the first water pipes 21 are communicated through the second water pipe 31 close to the indoor; the second water pipe 31 facing the fire fighting access is in a door shape and is communicated with the second water pipe 31 connected with the first water pipe 21.

Referring to fig. 2, two directional nozzles 22 are arranged on the first water pipes 21 at two ends, in this embodiment, the directional nozzles 22 are at the same height as the fire door handle 13, and the direction of the directional nozzles 22 is toward the fire door handle 13. In other possible embodiments, the directional nozzle 22 is also directed higher than the fire door handle 13 or the directional nozzle 22 is disposed higher than the fire door handle 13 to better counteract the effect of gravity on the sprayed water flow and thus better cool the fire door handle 13.

The interval is provided with eight atomizer 32 on one section second water pipe 31 in this application embodiment, can be great on a large scale through a plurality of atomizer 32 to prevent the cooling of water spraying of fire door body 12 week side, and then slows down the speed of preventing fire door handle 13 temperature rise to a certain extent.

Referring to fig. 2, the second water pipe 31 is provided with a water valve 24, the water valve 24 is electrically connected to the controller, and when the temperature sensor detects that the temperature on the fireproof door handle 13 is higher than a set value, the water valve 24 can be automatically opened to spray water to cool the fireproof door and the fireproof door handle 13. In other possible embodiments, the first water pipe 21 and the second water pipe 31 can be separately connected to the valve device to separately cool the fire door body 12 and the fire door handle 13.

Further, in order to lower the temperature of the fireproof door handle 13 more quickly, referring to fig. 2, the second water pipe 31 is further communicated with the water tank 23, the water tank 23 is communicated with an external water source, an ice maker (not shown in the figure) is arranged in the water tank 23 and used for making ice in the water tank 23, and then the temperature of water flow passing through the water tank 23 is reduced, so that the sprayed water flow can lower the temperature of the fireproof door handle 13 better, and therefore, people can leave a fire scene conveniently, and meanwhile indoor people are prevented from being scalded by the high temperature of the fireproof door handle 13 when being evacuated.

Further, referring to fig. 1 and 3 in combination, an air duct 41 communicated with the outside of the building is further embedded in one indoor side of the top of the fireproof doorframe 11, a plurality of air exhaust heads 42 are arranged on the air duct 41 at intervals, and the air exhaust heads 42 extend out of the fireproof doorframe 11; the air pipe 41 is provided with an exhaust fan 43 for extracting indoor smoke, after indoor personnel are evacuated, the indoor smoke is extracted outdoors through the matching of the air pipe 41 and the exhaust fan 43, so that the oxygen content in indoor air is reduced, and an indoor fire source can be extinguished more quickly.

In order to prevent the air duct 41 from being blocked by particles in the smoke extracted by the exhaust fan 43 or prevent harmful substances in the smoke from being directly exhausted out of the building to cause environmental pollution or influence on the health of people, a filtering mechanism 44 for filtering the smoke is further arranged at the exhaust head 42.

Specifically, referring to fig. 3 and 4, the filter mechanism 44 includes a filter screen 441 and an activated carbon bag 442, and further includes a mounting and dismounting assembly 443 for mounting and dismounting the filter screen 441 and the activated carbon bag 442 on the discharge head 42.

The mounting and dismounting assembly 443 comprises a cylindrical mounting basket 4431, one end of the mounting basket 4431 is provided with an opening, and the activated carbon bag 442 is placed in the mounting basket 4431; a limiting strip 4432 is fixedly connected to the inner side wall of the mounting basket 4431 close to the opening, the limiting strip 4432 is an arc strip circumferentially arranged along the inner side wall of the mounting basket 4431, and a clamping groove 4433 is formed in the inner arc wall of the limiting strip 4432; the side wall of the cambered surface of the mounting basket 4431 is also provided with a slot 4434 which is inserted and matched with the filter screen 441 in a penetrating way, so that the cross section of the mounting basket 4431 is blocked.

The filter screen 441 is inserted into the mounting basket 4431 from the insertion groove 4434 and inserted into the insertion groove 4433, and the filter screen 441 can be directly drawn out from the mounting basket 4431 to replace the filter screen 441. In order to draw out/insert the filter screen 441 more conveniently, the cross section of the filter screen 441 in the embodiment of the present application is a shape formed by combining a semicircle and a rectangle, the corresponding part of the semicircle is inserted into the slot 4433, the filter screen 441 can be stably connected with the mounting basket 4431, and the rectangular part of the rectangle extends out of the mounting basket 4431, so that the filter screen 441 can be inserted and pulled out by a worker conveniently.

The mounting basket 4431 is further provided with a fixing structure, and after the activated carbon bag 442 and the filter screen 441 are placed into the mounting basket 4431, the mounting basket 4431 can be simply fixed on the exhaust head 42 through the fixing structure for filtering smoke. Referring to fig. 4, the fixing structure includes an internal thread formed on an inner wall of the mounting basket 4431 and an external thread formed on an outer side wall of the exhaust head 42, and the mounting basket 4431 can be screwed on the exhaust head 42 by rotating the mounting basket 4431, and is convenient to mount and dismount.

The implementation principle of fire door is prevented in discharging fume by this application embodiment does: through the matching of the temperature sensor, the water valve 24, the first water pipe 21 and the second water pipe 31, when the temperature of the fireproof door handle 13 exceeds a set value, water is automatically sprayed to the fireproof door handle 13 and the fireproof door body 12 for cooling, so that personnel trapped in a room can push the fireproof door body 12 away through the fireproof door handle 13 under the condition that no related protective tool is provided, and the indoor personnel are prevented from being scalded by the high temperature of the fireproof door handle 13 when the personnel are evacuated; indoor smoke is pumped out of the room through the matching of the air pipe 41 and the exhaust fan 43, so that an indoor fire source can be extinguished more quickly; the flue gas entering the air duct 41 is filtered by the activated carbon bag 442 and the filter screen 441, and the activated carbon bag 442 and the filter screen 441 are conveniently replaced/cleaned by workers through the mounting basket 4431.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a prevent fire door of discharging fume, including fire prevention door frame (11), install in prevent fire door body (12) of fire door frame (11) and be used for ordering about prevent fire door body (12) pivoted fire prevention hinge, prevent being provided with on fire door body (12) and prevent fire door handle (13), its characterized in that: including set up in prevent temperature sensor on fire door handle (13), still be provided with on fire door frame (11) be used for to prevent fire door handle (13) is gone up automatic first spraying assembly (2) of spraying water.

2. A smoke fire door as claimed in claim 1, wherein: first spray assembly (2) include first water pipe (21) with the water source intercommunication, first water pipe (21) bury underground in one side on fire prevention door frame (11) perpendicular to ground, the intercommunication is provided with the sensing on first water pipe (21) prevent fire door handle (13) directional shower nozzle (22), directional shower nozzle (22) stretch out fire prevention door frame (11).

3. A smoke fire rated door as claimed in claim 2, wherein: one side that fire prevention door frame (11) are on a parallel with ground still bury underground with second water pipe (31) of first water pipe (21) intercommunication, intercommunication and interval are provided with a plurality of atomizer (32) on second water pipe (31), atomizer (32) expose fire prevention door frame (11).

4. A smoke fire rated door as claimed in claim 2, wherein: the first water pipe (21) is communicated with a water tank (23), and an ice maker is arranged in the water tank (23).

5. A smoke fire rated door as claimed in any one of claims 1 to 4, wherein: the side wall that fire prevention door frame (11) is on a parallel with ground still is provided with tuber pipe (41) rather than being located indoor one side, and the interval is provided with a plurality of exhaust heads (42) on tuber pipe (41), be provided with air exhauster (43) that are used for extracting indoor flue gas in tuber pipe (41), be provided with filter mechanism (44) that are used for filtering the smoke and dust on exhaust head (42).

6. A smoke fire rated door as claimed in claim 5, wherein: the filtering mechanism (44) comprises a filter screen (441) and an activated carbon bag (442), and further comprises an installing and detaching component (443) for installing and detaching the filter screen (441) and the activated carbon bag (442) on the exhaust head (42).

7. A smoke fire rated door as claimed in claim 6, wherein: the mounting and dismounting assembly (443) comprises a mounting basket (4431), the activated carbon bag (442) is movably arranged in the mounting basket (4431), and the filter screen (441) is movably inserted into the mounting basket (4431) and closes the section of the mounting basket (4431); the mounting basket (4431) is also provided with a fixing structure for detachably connecting the mounting basket to the exhaust head (42).

8. A smoke fire door as claimed in claim 7, wherein: the fixing structure comprises internal threads arranged on the inner wall of the mounting basket (4431) and external threads arranged on the outer side wall of the exhaust head (42).