Water-cooled fireproof door
By designing a water-cooled fire door, a water curtain is sprayed using a drain pipe and a temperature control valve, which solves the problem of high temperature after the fire door is burned by flames, achieving temperature control and flame isolation, and protecting the safety of escaping personnel.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2026-03-24
AI Technical Summary
Fire doors carry high temperatures after being scorched by flames, which may cause burns to people escaping when they open them, and the flames may spread to other areas.
Design a water-cooled fire door that uses a horizontal drain pipe and a temperature control valve to spray tap water through spray holes to form a water curtain, reduce the door temperature and prevent the spread of flames.
Effectively control the temperature of fire doors to prevent burns, reduce the spread of flames, enhance sealing, reduce smoke hazards, and maintain the structural integrity of the door leaf.
Smart Images
Figure CN224032490U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fire door technical field, concretely relates to a water -cooled fire door. BACKGROUND
[0002] Fire door is a special type of door, is designed for preventing the spread of fire when fire occurs, protects personnel safety and property safety. Fire door is usually installed in the evacuation passage of building, stairwell, elevator shaft, machine room and so on critical position. However, the trapped personnel in the fire needs to open the fire door first when entering the evacuation passage, but if the fire door is burned by the flame in advance, the surface of the fire door will carry higher temperature. If the flame is burned after the fire door and then extinguished, the trapped personnel will be scalded by high temperature when they contact with the fire door without knowing that the fire door is burned by the flame, causing personal injury. SUMMARY
[0003] The utility model intends to provide a water -cooled fire door to solve the problem of carrying high temperature after the fire door is burned by the flame.
[0004] To solve the above technical problem, the utility model provides the following technical scheme: a water -cooled fire door, including fire door body and cooling mechanism, the fire door body includes door frame and door leaf, the door leaf is rotatably connected in the door frame,
[0005] The cooling mechanism includes the drain pipe and temperature -controlled valve of transverse arrangement, the drain pipe is fixed at the top of door frame, is equipped with a plurality of water spray holes on the drain pipe, and the water spray hole is toward the top of door leaf, one end of the drain pipe is blind end, and the other end of the drain pipe is communicated with the water pipe, the temperature -controlled valve is installed on the drain pipe, and the temperature -controlled valve is used to connect the water pipe with the drain pipe after sensing high temperature.
[0006] The utility model working principle: when fire occurs, if the flame is close to the fire door, the temperature sensing element in the temperature -controlled valve senses high temperature and opens the temperature -controlled valve, the drain pipe is communicated with the water pipe at this time, and the tap water in the water pipe flows into the drain pipe, because the drain pipe is transversely arranged, and is equipped with a plurality of water spray holes, and the water spray hole is toward the top of door leaf, so after the tap water flows into the drain pipe, under the action of water pressure, it is sprayed to the whole top of door leaf through the water spray hole, and the tap water sprayed to the top of door leaf flows down from the top of door leaf under the action of gravity, covers the whole surface of door leaf and forms a water curtain, if the flame directly burns the fire door at this time, the water curtain separates the flame from the fire door, so that the flame cannot directly burn the fire door, and the temperature of the fire door will not rise, and the flowing water curtain continuously carries away the temperature generated by the flame burning, so that the temperature cannot accumulate and rise, and the fire door is kept in a lower temperature state.
[0007] The utility model discloses beneficial effect:
[0008] 1, this scheme is through the temperature control valve and is automatically watered to the drain pipe, can in time water when the fire occurs, then the drain pipe is watered, and the water curtain is formed to the fireproof door and is protected, ensures that it will not because the burning of flame and leads to temperature rise, and then avoids being scalded when the door of the escape personnel is touched.
[0009] 2, through the water curtain cooling, the temperature of the door leaf is effectively controlled, even in long time fire can keep the integrity of structure, effectively prevents the flame through the door leaf and spreads to other areas, reduces the spread of fire, protects the safety of other areas, and then reaches the long time fireproof purpose.
[0010] 3, water has fluidity, when it flows to the gap between the door frame and the door leaf, will close the gap, so can effectively increase the closeness of the fireproof door, avoids the smoke produced in the fire and is penetrated, reduces the harm of smoke to the escape personnel.
[0011] Further, the surface of the door leaf is provided with a plurality of vertical water tanks, the water tank extends from the top end of the door leaf to the bottom end of the door leaf, and the water tank is adjacent to each other. Its purpose is to guide the flow direction of the water sprayed from the drain pipe, avoid the water flowing down on the door leaf because of the uneven surface of the door leaf, and the convex part of the door leaf cannot be covered by water.
[0012] Further, the door leaf is fixedly connected with a flow guide plate, and the flow guide plate is used for guiding part of the water flow on the door leaf to the door handle of the door leaf. Its purpose is to guide the water left on the door leaf to the door handle to water and cool the door handle.
[0013] Further, the water spraying hole is a long strip-shaped water spraying hole. Its purpose is to increase the width of the sprayed water, and thus better form a water curtain to cover the entire door leaf.
[0014] Further, the drain pipe is a stainless steel pipe. Its purpose is that the drain pipe made of stainless steel has high heat resistance and corrosion resistance, so the drain pipe can maintain the integrity of the structure at high temperature, ensuring normal use in fire. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a structure diagram of the water-cooled fireproof door of the utility model;
[0016] Figure 2 It is Figure 1 The structure diagram of the flow guide plate;
[0017] Figure 3 It isFigure 1 Structure diagram of drain pipe. DETAILED DESCRIPTION
[0018] Further described in detail through specific embodiments as follows:
[0019] The reference signs in the drawings of the specification include: door frame 1, drain pipe 2, door leaf 3, water groove 4, door handle 5, flow guide plate 6, temperature control valve 7, water spray hole 8.
[0020] The embodiment is basically as shown in the accompanying Figure 1 , the accompanying Figure 2 and the accompanying Figure 3 :
[0021] A water-cooled fireproof door, comprising a fireproof door body and a cooling mechanism, the fireproof door body comprises a door frame 1 and a door leaf 3, the door leaf 3 is rotatably connected in the door frame 1, the surface of the door leaf 3 is provided with a plurality of vertical water grooves 4, the water grooves 4 extend from the top end of the door leaf 3 to the bottom end of the door leaf 3, and the water grooves 4 are in close proximity to each other, the door leaf 3 is fixedly connected with a wedge-shaped flow guide plate 6 perpendicular to the door leaf 3, the flow guide plate 6 is located directly above the door handle 5 of the door leaf 3, the inclined surface of the flow guide plate 6 faces upward, and the end of the flow guide plate 6 away from the door leaf 3 is provided with a rounded corner.
[0022] The cooling mechanism comprises a transversely arranged drain pipe 2 and a temperature control valve 7, the drain pipe 2 is a stainless steel pipe, the drain pipe 2 is fixed on the top of the door frame 1, a plurality of long strip-shaped water spray holes 8 are arranged on the drain pipe 2, and the water spray holes 8 are arranged on the top of the drain pipe 2, one end of the drain pipe 2 is a blind end, the other end of the drain pipe 2 is communicated with a water pipe, and the temperature control valve 7 is installed on the drain pipe 2, the temperature control valve 7 is used for connecting the water pipe with the drain pipe 2 after sensing high temperature.
[0023] The specific implementation process is as follows:
[0024] When a fire occurs, if the flame is close to the fire door, the temperature sensing element in the temperature control valve 7 senses high temperature and opens the temperature control valve 7, at this time the drain pipe 2 is communicated with the water pipe, the tap water in the water pipe flows into the drain pipe 2, because the drain pipe 2 is transversely arranged, and is provided with a plurality of long strip-shaped water spray holes 8, and the water spray holes 8 are directed to the top of the door leaf 3, therefore the tap water flows into the drain pipe 2 and is sprayed to the whole top of the door leaf 3 through the water spray holes 8 under the action of water pressure, and the tap water sprayed to the top of the door leaf 3 flows down from the top of the door leaf 3 along the water groove 4 under the action of gravity, covering the whole surface of the door leaf 3 to form a water curtain, at this time if the flame directly burns the fire door, the water curtain separates the flame from the fire door, so that the flame cannot directly burn the fire door, and thus the temperature of the fire door will not rise, and part of the water flows to the flow guide plate 6, when the water flows to the inclined upper surface of the flow guide plate 6, it flows along the inclined surface to the end of the flow guide plate 6, and the end of the flow guide plate 6 is provided with a rounded corner, therefore part of the water flows along the end to the lower surface of the flow guide plate 6, with the increase of the water on the lower surface of the flow guide plate 6, the water falls on the door handle 5 directly below under the action of gravity, cooling the door handle 5, at the same time the flowing water curtain continuously takes away the temperature generated by the flame burning, so that the temperature cannot accumulate and rise, keeping the fire door in a relatively low temperature state.
Claims
1. A water-cooled fire door, characterized in that: It includes a fire door body and a cooling mechanism. The fire door body includes a door frame and a door leaf, and the door leaf is rotatably connected to the door frame. The cooling mechanism includes a horizontally arranged drain pipe and a temperature control valve. The drain pipe is fixed to the top of the door frame and has several water spray holes facing the top of the door leaf. One end of the drain pipe is a blind end, and the other end of the drain pipe is connected to a tap water pipe. The temperature control valve is installed on the drain pipe and is used to connect the tap water pipe to the drain pipe after sensing a high temperature. The surface of the door leaf is provided with several vertical water grooves, which extend from the top of the door leaf to the bottom of the door leaf, and the water grooves are adjacent to each other.
2. A water-cooled fire door according to claim 1, characterized in that: A guide plate is fixedly connected to the door leaf, and the guide plate is used to direct part of the water flow on the door leaf to the door handle.
3. A water-cooled fire door according to claim 2, characterized in that: The water spray hole is a long, narrow shape.
4. A water-cooled fire door according to claim 3, characterized in that: The drain pipe is made of stainless steel.