WO2022149787A1 - Registre anti-feu pour conduit d'échappement - Google Patents

Registre anti-feu pour conduit d'échappement Download PDF

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Publication number
WO2022149787A1
WO2022149787A1 PCT/KR2021/020027 KR2021020027W WO2022149787A1 WO 2022149787 A1 WO2022149787 A1 WO 2022149787A1 KR 2021020027 W KR2021020027 W KR 2021020027W WO 2022149787 A1 WO2022149787 A1 WO 2022149787A1
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WO
WIPO (PCT)
Prior art keywords
fire
exhaust duct
damper
blades
blade
Prior art date
Application number
PCT/KR2021/020027
Other languages
English (en)
Korean (ko)
Inventor
고의환
고재환
Original Assignee
고의환
고재환
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 고의환, 고재환 filed Critical 고의환
Publication of WO2022149787A1 publication Critical patent/WO2022149787A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C2/00—Fire prevention or containment
    • A62C2/06—Physical fire-barriers
    • A62C2/24—Operating or controlling mechanisms
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C2/00—Fire prevention or containment
    • A62C2/06—Physical fire-barriers
    • A62C2/24—Operating or controlling mechanisms
    • A62C2/241—Operating or controlling mechanisms having mechanical actuators and heat sensitive parts
    • A62C2/242—Operating or controlling mechanisms having mechanical actuators and heat sensitive parts with fusible links
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/0209—Ducting arrangements characterised by their connecting means, e.g. flanges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • F24F2013/146—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with springs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • F24F2013/1473—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with cams or levers

Definitions

  • the present invention relates to a fire damper for an exhaust duct, and more particularly, to a fire damper for an exhaust duct that is installed in an exhaust duct in a building to prevent the spread of flames and toxic smoke in the event of a fire.
  • an exhaust duct for ventilating indoor air is installed in a building as part of an air conditioning system, and a damper is installed in this exhaust duct to adjust the amount of air circulating indoors and outdoors as needed.
  • the exhaust duct is a very useful facility in terms of indoor and outdoor ventilation, but in case of a fire, it can be a passageway for flames and smoke to spread.
  • fire dampers that normally maintain an open state to ventilate indoor and outdoor air, and switch to a closed state in case of a fire, are used to prevent flames and smoke from spreading to other places.
  • Patent Document 1 in the fire duct for blocking the movement of toxic gases and flames mounted on a duct of a building, a frame integrally fixed to the duct; a plurality of blades respectively fixed on a plurality of shafts arranged to be rotatable across the frame from the inside of the frame to open and close the inner space of the frame; A plurality of horizontal link members each integrally fixed to one end of the shafts from the outside of the frame, and a single vertical link rotatably connected to the ends of the horizontal link members to connect all of the horizontal link members integrally connecting link; A rotary shaft is connected to any one of the plurality of shafts, is rotatably mounted on the outside of the frame, and a lever protruding at a right angle from the rotary shaft is provided to rotate the shaft connected thereto through the rotary shaft by the rotation operation of the lever handle part; and a plurality of blade fixing fuses that connect the lowermost blade among the plurality of blades to the lower edge of the frame, melt in a temperature range of
  • a number of fuses for fixing blades melt and fall off only in case of fire, including ;, and the closed state of the blade can be identified through an externally installed connection link.
  • a fire damper characterized in that it is configured to be able to open the damper.
  • Patent Document 2 discloses: a tube body configured to intermittently flow an airflow while rotating a rotating plate to open, close and rotate by a hinge on one side of a hollow tube having openings at both ends; A mesh network is inserted into the opening hole of the tube body, but a fireproof material is coated or applied on the grill surface or the wire rod surface of the mesh network to block all the penetrating mesh eyes while foaming and expanding when a fire occurs.
  • Fire-resistant filling net to block the transfer In the fire damper having a fire-resistance filling net composed of, the hollow tube of the tube body is formed with a margin for securing a foaming space that is slightly expanded compared to the duct diameter on the longitudinal line, so that a fire-resisting net of a large area compared to the diameter of the duct is inserted.
  • Fireproof filling characterized in that the air flow transfer is smooth and the foaming space of the fireproof filler is secured, and a steel wire support is inserted between the plurality of fireproof filling nets inserted into the foaming space secured free space.
  • a fire damper having a mesh is disclosed.
  • the conventional technique as described above has a problem in that the exhaust efficiency is lowered because the flow of indoor air that is normally exhausted to the outside through the exhaust duct is hindered due to the structure in which the mesh network is installed inside the tube body.
  • An object of the present invention is to provide a fire damper for an exhaust duct capable of preventing the spread of toxic smoke.
  • An object of the present invention is to provide a fire damper for an exhaust duct that can prevent diffusion into the air.
  • the fireproof filler is manufactured to be attached to the upper and lower outer surfaces and both outer surfaces of the body in advance during the manufacturing process of the damper prior to construction, thereby preventing the spread of flames and toxic smoke in the event of a fire after construction.
  • An object of the present invention is to provide a fire damper for an exhaust duct with excellent workability.
  • the fire damper for an exhaust duct is installed in the exhaust duct (D) in a building to prevent the spread of flames and toxic smoke.
  • Link means 300 comprising a fixing bracket 310 fixed to each of the blades 220 and a link member 320 that is link-coupled to the fixing bracket 310 to interlock the blades 220 with each other; a fixed fuse 400 connected between the body 100 and the blade 220 to release the binding of the blade 220 in an open state while being cut by flame and heat; and an elastic spring 500 connected between the inner bottom of the body 100 and the bottom surface of the lower blade 220 to provide an elastic force.
  • the body 100 is composed of a combination of upper and lower plates and side plates provided on both sides of the upper and lower plates, and the front and rear ends of the upper and lower plates and the front and rear ends of the side plates are bent inwardly extending inward flanges 110 ) is characterized in that each is formed.
  • the body 100 is composed of a combination of an upper plate, a lower plate, and side plates provided on both sides of the upper and lower plates, and inner flanges 110 bent inward and extending inwardly are formed at front and rear ends of the upper and lower plates, respectively.
  • the front and rear ends of the side plate are characterized in that each of the outer flanges 120 extending outwardly multi-stage bent are formed.
  • the body 100 is composed of an upper plate, a lower plate, and a combination of side plates provided on both sides of the upper plate and the lower plate, and the front end of the upper plate, the lower plate and the side plate has an outer flange 120 that is bent and extended to the outside in multiple stages. It is characterized in that each of the inner flanges 110 bent inwardly extending inwardly are formed at the rear ends of the upper plate, the lower plate, and the side plate.
  • the body 100 is composed of a combination of an upper plate, a lower plate, and side plates provided on both sides of the upper and lower plates, and the front and rear ends of the upper and lower plates and the front and rear ends of the side plates are external flanges ( 120) is characterized in that each is formed.
  • the body 100 is characterized in that it is formed in a cylindrical shape.
  • opening and closing means 200 is characterized in that a plurality of vertically disposed inside the body (100).
  • the opening and closing means 200 is characterized in that it is composed of a double structure in which a plurality of vertically arranged front and rear inner front and rear of the body (100), respectively.
  • both ends of the rotating shaft 210 are respectively supported on both inner surfaces of the body 100 .
  • both ends of the rotating shaft 210 are characterized in that each protrudes toward both outer surfaces of the body 100 .
  • a plurality of reinforcing frames 130 are installed spaced apart from each other in the longitudinal direction of the body 100 in order to reinforce the structural strength of the body 100 on the upper inner surface and the lower inner surface of the body 100 .
  • the fire resistant filler 600 in the form of sheet paper is attached to the upper and lower surfaces of the blade 220 to seal the damper passage as it expands in response to heat caused by flames and pyrotechnic heat.
  • the upper inner surface and the lower inner surface of the body 100 are characterized in that the fire resistant filler 600 in the form of sheet paper is respectively attached to seal the damper passage as it expands in response to heat caused by flames and pyrotechnic heat.
  • the fire resistant filler 600 in the form of sheet paper is attached to the outer surface of the upper and lower portions of the body 100 and the outer surfaces of both sides to seal the damper passage as it expands in response to heat caused by flames and fire heat, respectively.
  • a plurality of fixing clips 700 are bound to the front and rear ends of the blade 220 to strengthen the fixing force of the fire resistant filler 600 attached to the upper and lower surfaces of the blade 220 .
  • the fire damper for an exhaust duct completely fills the gap between the blades as the fireproof filler attached to the upper and lower surfaces of the blade expands in response to heat from the flame, thereby preventing flames and toxic smoke from entering other spaces. It has the effect of preventing the spread.
  • the fireproof filler is manufactured to be attached to the upper and lower outer surfaces and both outer surfaces of the body in advance during the manufacturing process of the damper prior to construction, thereby preventing the spread of flames and toxic smoke in the event of a fire after construction.
  • the workability is excellent, and the manufacturing process is also easy, so there is an effect of improving productivity and reducing manufacturing cost.
  • FIG. 1 to 3 are views showing a temporary example of the body in the fire damper for an exhaust duct according to the present invention.
  • FIG 4 to 6 are views showing another embodiment of the body according to the present invention.
  • FIG. 7 to 9 are views showing another embodiment of the body according to the present invention.
  • 10 to 12 are views showing another embodiment of the body according to the present invention.
  • FIG. 13 is a view showing another embodiment of a body according to the present invention.
  • FIG. 14 is a view showing a state in which a fire resistant filler is attached to the body and blade of the fire damper for an exhaust duct according to the present invention.
  • FIG. 15 is a view showing the structure of the opening and closing means disposed up and down inside the body according to the present invention.
  • Figure 16 is a view showing the structure of the opening and closing means arranged up and down on the inner front and rear of the body according to the present invention.
  • 17 is a view showing a state in which the fixing clip is bound to the blade according to the present invention.
  • FIG. 18 is a view showing the closed state of the blade in the fire damper for an exhaust duct according to the present invention.
  • the fire damper for the exhaust duct is installed in the exhaust duct (D) in the building to prevent the spread of flames and toxic smoke.
  • Link means 300 comprising a fixing bracket 310 fixed to each of the blades 220 and a link member 320 that is link-coupled to the fixing bracket 310 to interlock the blades 220 with each other; a fixed fuse 400 connected between the body 100 and the blade 220 to release the binding of the blade 220 in an open state while being cut by flame and heat; and an elastic spring 500 connected between the inner bottom of the body 100 and the bottom surface of the lower blade 220 to provide an elastic force.
  • the fire damper for an exhaust duct is installed in the exhaust duct (D) in a building to prevent the spread of flames and toxic smoke, and includes a body (100), an opening/closing means (200), a link means (300), and fixing. It includes a fuse 400 and an elastic spring 500 .
  • the body 100 is opened front and rear to form a passage inside, and is composed of a combination of an upper plate and a lower plate made of a metal plate, and side plates provided on both sides of the upper plate and the lower plate, respectively.
  • This body 100 may be configured as a built-in structure installed inside the exhaust duct (D) or an external structure connected between a plurality of exhaust ducts (D) depending on the situation of the exhaust duct construction site. Various embodiments of the structure of the body related thereto will be described.
  • the body 100 is composed of an upper plate, a lower plate, and a combination of side plates provided on both sides of the upper and lower plates, respectively, at the front and rear ends of the upper and lower plates and the front and rear ends of the side plates
  • Each of the inner flanges 110 bent inwardly extending may be formed.
  • the body 100 having the above structure is a built-in structure installed inside the exhaust duct (D), and after being inserted and installed inside the exhaust duct (D), bolts and the like are fastened from the outside of the exhaust duct (D). to fix it
  • the body 100 is composed of an upper plate, a lower plate, and a combination of side plates provided on both sides of the upper plate and the lower plate, and the front and rear ends of the upper plate and the lower plate are bent inwardly and extended.
  • the inner flanges 110 are formed, respectively, and the front and rear ends of the side plates may be respectively formed with outer flanges 120 extending outwardly in multiple stages.
  • the body 100 having the above structure is a built-in structure installed inside the exhaust duct (D) like the structure of the body described above, and after being inserted into the exhaust duct (D), the exhaust duct (D) Fix it by fastening bolts, etc., from the outside of the exhaust duct (D)
  • the body 100 is composed of a combination of an upper plate, a lower plate, and side plates provided on both sides of the upper plate and the lower plate, and the front ends of the upper plate, the lower plate and the side plate are multi-staged to the outside.
  • the bent outer flange 120 is formed, respectively, and the rear end of the upper plate, the lower plate, and the side plate may be respectively formed with the inner flange 110 bent inwardly extending.
  • the body 100 having the above structure is a built-in structure installed inside the exhaust duct (D) like the structure of the body described above, but at the end of the exhaust duct (D) where the outer flange 120 faces each other. It is fixed by fastening bolts or the like in a state in close contact between the formed flanges.
  • the body 100 is composed of an upper plate, a lower plate, and a combination of side plates provided on both sides of the upper and lower plates, respectively, at the front and rear ends of the upper and lower plates and the front and rear ends of the side plates
  • the outer flanges 120 extending outwardly in multiple stages may be respectively formed.
  • the body 100 having the above structure is an external structure connected between a plurality of exhaust ducts (D), and an exhaust duct (D) in which outer flanges 120 respectively formed at front and rear ends of the body 100 face each other. ) in close contact with the flange formed at the end of the bolt, etc. to fix it.
  • the body 100 may be configured in a cylindrical shape. This cylindrical body 100 is for connection with the cylindrical exhaust duct (D).
  • a plurality of reinforcing frames 130 are installed to be spaced apart from each other along the longitudinal direction of the body 100 on the upper inner surface and the lower inner surface of the body 100 .
  • the reinforcing frame 130 is formed in a “L” shape.
  • the reinforcing frame 130 serves to reinforce the structural strength of the body 100 to prevent distortion and deformation.
  • a fire resistant filler 600 in the form of sheet paper may be attached to the upper and lower surfaces of the blade 220 to seal the damper passage as it expands in response to heat caused by flames and pyrotechnic heat.
  • a fire-resisting filler 600 in the form of sheet paper is attached to the upper and lower surfaces of the blade 220, respectively, and the fire-resisting filler 600 expands rapidly in volume when the flame is ignited. Therefore, when a fire occurs, it expands in response to the heat caused by the flame and completely fills the gap between the blades 220, thereby preventing the flame and toxic smoke from spreading to other spaces.
  • the fire resistant filler 600 in the form of sheet paper may be attached to the upper inner surface and the lower inner surface of the body 100 to seal the damper passage as it expands in response to heat caused by flames and pyrotechnic heat.
  • fire-resisting fillers 600 in the form of sheet paper are attached to the outer surfaces of the upper and lower portions and both outer surfaces of the body 100 to seal the damper passage as they expand in response to heat caused by flames and fire heat, respectively.
  • the present invention provides a gap between the exhaust duct and the damper as the intumescent fireproof filler 600 attached to the outer surfaces of the upper and lower parts of the body 100 and both outer surfaces expands in response to heat from the flame when a fire occurs. And by filling the seam, it is possible to prevent the spread of flames and toxic smoke to other spaces.
  • the fire resistant filler 600 is manufactured to be attached to the upper and lower outer surfaces and both outer surfaces of the body 100 in advance during the manufacturing process of the damper prior to construction, thereby preventing the spread of flames and toxic smoke in the event of a fire after construction. At the same time, it has excellent constructability due to easy construction, and the manufacturing process is also easy to improve productivity and reduce manufacturing costs.
  • the opening/closing means 200 normally maintains an open state to ventilate indoor and outdoor air, and operates automatically when a fire occurs to close the damper passage to prevent the spread of fire.
  • the opening/closing means 200 may be configured in a structure in which a plurality of openings and closing means 200 are vertically disposed inside the body 100 .
  • the opening/closing means 200 may have a dual structure in which a plurality of the opening and closing means 200 are vertically disposed on the inside front and rear sides of the body 100 , respectively.
  • the opening/closing means 200 can prevent the flame from penetrating into the adjacent exhaust duct even when the flame intensity is strong according to the double structure disposed on the inner front and rear of the body 100, respectively. And, even when a failure occurs in the blade 220 located on the front side, it is possible to prevent the spread of the flame by the blade 220 located on the rear side, so it is stable.
  • the opening and closing means 200 is a plurality of rotation shafts 210 rotatably installed inside the body 100 , and a plurality of blades respectively coupled to the rotation shafts 210 to open and close the passage of the body 100 . (220).
  • the opening/closing means 200 configured as described above is normally maintained with the blades 220 in an open state.
  • the lower blade 220 is maintained connected to the inner bottom surface of the body 100 through the elastic spring 500 and the fixed fuse 400 .
  • the plurality of blades 220 are maintained in a horizontal state by the elastic spring 500 and the fixed fuse 400, and ventilation is made.
  • the rotation shaft 210 rotatably supports each of the blades 220 , and both ends thereof are rotatably supported through bearings (not shown) installed on both inner surfaces of the body 100 .
  • Both ends of the rotating shaft 210 may be configured to be respectively supported on both inner surfaces of the body 100 .
  • both ends of the rotating shaft 210 may be configured to protrude from both outer surfaces of the body 100 .
  • a plurality of fixing clips 700 are bound to the front and rear ends of the blade 220 to strengthen the fixing force of the fire resistant filler 600 attached to the upper and lower surfaces of the blade 220.
  • the fixing clip 700 is preferably made of a metal material having an elastic force as a whole.
  • the fixing clip 700 is bound to the front and rear ends of the blade 220 to fix and support the fire resistant filler 600 attached to the upper and lower surfaces of the blade 220 .
  • the link means 300 includes a fixing bracket 310 fixed to the blade 220, respectively, and a link member 320 coupled to the fixing bracket 310 to link the blades 220 to each other.
  • the link means 300 connects the middle of the blades 220 in a link type so that a plurality of blades 220 are rotated in cooperation with each other.
  • the fixed fuse 400 is connected between the body 100 and the blade 220 so that the binding of the blade 220 in an open state is released while being cut off by flame and heat.
  • the fixed fuse 400 is melted and broken only in a temperature range above a predetermined temperature.
  • the elastic spring 500 is connected between the inner bottom of the body 100 and the bottom surface of the lower blade 220 to provide an elastic force.
  • the elastic spring 500 is a general spring that exerts an elastic force, and is connected between the inner bottom of the body 100 and the bottom surface of the lower blade 220 so that the blade 220 of the opening and closing means 200 is in a horizontal state. maintained and kept open.
  • the blade 220 when the fixed fuse 400 is melted and cut due to the heat caused by the flame when a fire occurs, the blade 220 is rotated by the elastic restoring force of the stretched elastic spring 500 . while closing the passage of the body 100 .
  • the fire resistant filler 600 attached to the upper and lower surfaces of the blade 220 expands in response to heat from the flame, the damper passage is sealed to prevent the flame and toxic smoke from spreading to other spaces.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Air-Flow Control Members (AREA)

Abstract

La présente invention se rapporte à un registre anti-feu destiné à un conduit d'échappement et concerne, plus particulièrement, un registre anti-feu destiné à un conduit d'échappement, le registre anti-feu étant installé dans un conduit d'échappement à l'intérieur d'un bâtiment et pouvant empêcher la propagation des flammes et des gaz toxiques en cas de feu. Selon la présente invention, le registre anti-feu destiné à un conduit d'échappement est un registre anti-feu installé dans un conduit d'échappement (D) à l'intérieur d'un bâtiment, afin d'empêcher la propagation des flammes et des gaz toxiques, le registre anti-feu étant caractérisé en ce qu'il comprend : un corps (100) ouvert à l'avant et à l'arrière et comportant un passage formé à son intérieur ; un moyen d'ouverture/fermeture (200) prenant la forme d'une double structure constituée de sections disposées respectivement à l'avant et à l'arrière de l'intérieur du corps (100), et comprenant une pluralité d'arbres rotatifs (210) montés rotatifs à l'intérieur du corps (100) et une pluralité de lames (220) accouplées respectivement aux arbres rotatifs (210) et destinées à ouvrir et à fermer le passage du corps (100) ; un moyen de liaison (300) comprenant des supports fixes (310) fixés respectivement sur les lames (220) et des éléments de liaison (320) reliés par liaison aux supports fixes (310) et verrouillant les lames (220) ; des fusibles fixes (400) reliés entre le corps (100) et les lames (220) et étant brisés par les flammes et la chaleur émanant du feu, libérant ainsi la liaison des lames (220) qui sont en état ouvert ; un ressort élastique (500) relié entre la partie inférieure interne du corps (100) et la surface inférieure de la lame inférieure (220) et produisant une force élastique ; et des charges réfractaires (600) prenant la forme d'un papier en feuille et fixées aux surfaces supérieures et aux surfaces inférieures des lames (220), et destinées à rendre étanche le passage du registre par expansion en réponse à la chaleur émanant des flammes et du feu.
PCT/KR2021/020027 2021-01-05 2021-12-28 Registre anti-feu pour conduit d'échappement WO2022149787A1 (fr)

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KR10-2021-0000720 2021-01-05
KR1020210000720A KR102509163B1 (ko) 2021-01-05 2021-01-05 배기덕트용 방화 댐퍼

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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JP2007292440A (ja) * 2006-03-31 2007-11-08 Inaba Denki Sangyo Co Ltd 空調用防火措置具及びそれを用いた空調用防火措置構造
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