Fireproof door with ALC (autoclaved lightweight concrete) internal partition wall

By combining modular fireproof panels and a water sprinkler system, the problem of insufficient fire resistance of traditional ALC interior fire doors is solved, achieving efficient fire protection and convenient maintenance, improving fire resistance limits and reducing maintenance costs.

CN121363365APending Publication Date: 2026-01-20杭州铧泓置业有限公司
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Patent Information

Application Number
CN202511520291.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-10-23
Publication Date
2026-01-20

AI Technical Summary

Technical Problem

Traditional ALC interior fire doors rely on a single material for fire resistance, are prone to deformation or damage, lack active fire protection measures, and are susceptible to flame or smoke penetration, resulting in high maintenance costs.

Method used

The modularly designed fireproof board and water spray components, combined with temperature sensors and water-expanding strips, form a double-layer fireproof structure. The water spray cools the surface and seals the gaps, achieving a combination of active fire protection and passive flame retardancy.

Benefits of technology

Significantly improves fire resistance, reduces maintenance costs, prevents flame and smoke penetration, and enables convenient replacement of local components.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses an ALC internal partition wall fireproof door which comprises a door frame, an ALC fireproof door body and an observation window. A fireproof plate is movably arranged on one side of the ALC fireproof door body and detachably installed through a connecting hole. A water guide groove is formed in the fireproof plate, and a water swelling strip is embedded in the bottom of the fireproof plate; a water spraying component is movably mounted on the fireproof plate and comprises a water tank, a water pump, a water spraying plate, an atomizing nozzle and a connecting lug plate; a temperature sensor is arranged on the fireproof plate and used for triggering the water spraying component to work. Through the modular design of the detachable fireproof plate and the water spraying component, a double-layer fireproof structure is formed on the basis of a traditional ALC fireproof door, the temperature sensor triggers the atomization nozzle to conduct spraying cooling when encountering high temperature, and the water guide groove guides water flow to enable the water swelling strip to seal a gap; and the observation window is compositely fixed by fireproof glass and sealant, so that the combination of active fire prevention and passive flame retardance is realized, local replacement of damaged parts is facilitated, the fire endurance is remarkably improved, and the maintenance cost is reduced.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of fireproof doors, in particular to an ALC interior partition wall fireproof door. BACKGROUND

[0002] Traditional ALC interior partition wall fireproof doors are mostly of an integral structure, and the fire resistance depends on a single material. Long-term high-temperature baking can easily cause the whole to deform or be damaged, and the whole door needs to be replaced, so the maintenance cost is high. At the same time, the existing fireproof doors lack active fireproof measures and only rely on the fire resistance of the material itself. In extreme high temperature, local failure may occur, causing flame or smoke penetration and affecting the overall fireproof effect. SUMMARY

[0003] The application aims to provide an ALC interior partition wall fireproof door to solve the problems in the background art.

[0004] To achieve the above-mentioned purpose, the application provides the following technical scheme: an ALC interior partition wall fireproof door, comprising a door frame, an ALC fireproof door and an observation window. One side of the ALC fireproof door is movably provided with a fireproof plate, which is detachably installed through a connecting hole. A water guide groove is arranged on the fireproof plate, and a water-swelling strip is embedded at the bottom of the water guide groove. A water spraying member is movably installed on the fireproof plate, and the water spraying member comprises a water tank, a water pump, a water spraying plate, an atomizing nozzle and a connecting lug plate. A temperature sensor is arranged on the fireproof plate to trigger the water spraying member to work.

[0005] Preferably, the fireproof plate is fixed by bolts or quick-release structures through the connecting hole to realize modular replacement.

[0006] Preferably, the water guide groove is vertically arranged along the fireproof plate to guide the water discharged by the water spraying member to the position of the water-swelling strip.

[0007] Preferably, the water spraying member is detachably installed on the fireproof plate through the connecting lug plate, and the water spraying plate is connected with the water pump through a hose.

[0008] Preferably, the atomizing nozzles are uniformly distributed on the water spraying plate, and the water spraying range covers the fire surface of the fireproof plate.

[0009] Preferably, the temperature sensor is arranged on the water tank and electrically connected with the water pump. When the temperature detected exceeds the set threshold value, the water spraying is automatically started.

[0010] Compared with the prior art, the application has the following beneficial effects: The application forms a double-layer fireproof structure on the basis of the traditional ALC fireproof door through the modular design of the detachable fireproof plate and the water spraying component, the temperature sensor triggers the atomizing nozzle to spray and cool down when high temperature is encountered, the water guide groove guides the water flow to seal the gap of the water-swelling strip; the observation window is fixed by the fireproof glass and the sealing glue, which realizes the combination of active fireproofing and passive fire retardation, facilitates the local replacement of damaged components, significantly improves the fire resistance limit and reduces the maintenance cost. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 is a schematic diagram of the three-dimensional structure of the application; Fig. 2 is a schematic diagram of the ALC fireproof door and the fireproof plate structure of the application; Fig. 3 is a schematic diagram of the sectional structure of the water spraying component of the application.

[0012] In the figure: 1, door frame; 2, ALC fireproof door; 3, observation window; 4, fireproof plate; 401, connecting hole; 402, water guide groove; 5, water spraying component; 501, water tank; 502, water pump; 503, water spraying plate; 504, atomizing nozzle; 505, connecting ear plate; 6, temperature sensor; 7, water-swelling strip. DETAILED DESCRIPTION

[0013] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application.

[0014] Please refer to Figs. 1-3The application provides an ALC interior partition wall fireproof door technical scheme, which relates to the technical field of fireproof doors and aims to improve the fire resistance of the ALC interior partition wall fireproof door.The ALC interior partition wall fireproof door comprises a door frame 1, an ALC fireproof door 2 and an observation window 3.The observation window 3 is made of fireproof glass and is embedded between the ALC fireproof door 2 and a fireproof plate 4 to ensure the fire resistance integrity.An opening with the same size as the observation window 3 is reserved at a proper position of the ALC fireproof door 2, and the fireproof glass is fixed around the opening by high-temperature-resistant sealing glue or special fireproof sealing material to ensure that the fireproof glass is tightly combined with the ALC fireproof door 2 and the fireproof plate 4 and prevents the flame and smoke from entering one side of the ALC fireproof door 2 through the gap.The fireproof plate 4 is movably arranged on one side of the ALC fireproof door 2, and the fireproof plate 4 is made of fire-resistant plate material and forms a double-layer fireproof structure with the ALC fireproof door 2 to improve the overall fire resistance limit.The fireproof plate 4 is detachably installed through the connecting hole 401, and the material of the fireproof plate 4 needs to have good fire resistance and the thickness of the fireproof plate 4 should be selected according to the actual fireproof requirement.A water guide groove 402 is arranged on the fireproof plate 4, and a water-swelling strip 7 is embedded at the bottom of the water guide groove 402.The water-swelling strip 7 is arranged at the bottom edge of the fireproof plate 4 and expands after being contacted with water to enhance the sealing property and prevent the flame and smoke from penetrating.The water-swelling strip 7 is arranged at the bottom edge of the fireproof plate 4 and expands after being contacted with water to enhance the sealing property and prevent the flame and smoke from penetrating.A water spraying member 5 is movably arranged on the fireproof plate 4, and the water spraying member 5 comprises a water tank 501, a water pump 502, a water spraying plate 503, an atomizing nozzle 504 and a connecting lug plate 505.A temperature sensor 6 is arranged on the fireproof plate 4 and used for triggering the water spraying member 5 to work.The temperature sensor 6 is electrically connected with an external controller.When the detected temperature value reaches the set threshold value, a signal is sent to the controller, and the controller controls the water pump 502 to work to spray water for cooling.The electrical elements involved are powered by a high-temperature-resistant storage battery or connected with municipal power lines through high-temperature-resistant wires, and details are not described herein.

[0015] The fireproof plate 4 is fixed by bolts or quick-release structures through the connecting hole 401 to realize modular replacement, and the quick-release structure can be designed in a buckle type to facilitate quick assembly and disassembly.

[0016] The water guide groove 402 is vertically arranged on the fireproof plate 4 and used for guiding the water discharged from the water spraying member 5 to the position of the water-swelling strip 7.The water guide groove 402 is vertically arranged on the surface of the fireproof plate 4 and can be in a V shape or a U shape to ensure smooth water flow.The water-swelling strip 7 is installed at the bottom edge of the fireproof plate 4 by adhesion or embedding.

[0017] The water spraying member 5 is detachably installed on the fireproof plate 4 through the connecting lug plate 505, the water spraying plate 503 is connected with the water pump 502 through a hose, and the connecting lug plate 505 and the fireproof plate 4 are connected by bolts.

[0018] The atomizing spray head 504 is uniformly distributed on the water spraying plate 503, and the water spraying range covers the fire receiving surface of the fireproof plate 4, the capacity of the water tank 501 needs to be designed according to the actual demand, the performance of the water pump 502 needs to meet the requirements of water spraying pressure and flow, and the installation position of the water spraying plate 503 and the atomizing spray head 504 needs to ensure that the water spraying range covers the fire receiving surface of the fireproof plate 4.

[0019] The temperature sensor 6 is arranged on the water tank 501 and is electrically connected with the water pump 502, when the temperature exceeds the set threshold value, the water spraying is automatically started, the temperature sensor 6 is arranged on the fire receiving surface of the fireproof plate 4 or the water tank 501, and is connected with the external controller through a wire, when the temperature sensor 6 detects that the temperature value reaches the set threshold value, a signal is sent to the controller, and the controller controls the water pump 502 to start and spray water to reduce temperature.

[0020] The working principle of the present application is that the ALC fireproof door 2 and the fireproof plate 4 form a double-layer fireproof structure and cooperate with the intelligent water spraying system to realize efficient fireproofing: when a fire occurs, the temperature sensor 6 detects a high-temperature signal and triggers the water spraying member 5 to start, the water pump 502 uniformly sprays the water in the water tank 501 to the fire receiving surface of the fireproof plate 4 through the atomizing spray head 504 of the water spraying plate 503, the water flow is guided to the bottom through the water guide groove 402 and makes the water-swelling strip 7 swell to seal the gap, and the detachably connected fireproof plate 4 (fixed through the connecting hole 401) forms a fire-resistant barrier, this scheme integrates three protection mechanisms of active cooling (water spraying atomization), passive fire retardation (double-layer plate + water-swelling sealing) and real-time monitoring (temperature sensing), effectively improves the fire resistance limit and blocks the penetration of fire smoke.

[0021] The contents not described in detail in the specification belong to the prior art known to those skilled in the art, although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An ALC inner partition fire door, comprising a door frame (1), an ALC fire door (2), and a viewing window (3), characterized in that: One side of the ALC fire door (2) is movably provided with a fireproof plate (4), which is detachably installed through a connecting hole (401); The fireproof plate (4) is provided with a water guide groove (402), and a water-swelling strip (7) is embedded at the bottom thereof; The fireproof plate (4) is movably provided with a water spraying member (5), which comprises a water tank (501), a water pump (502), a water spraying plate (503), atomizing nozzles (504), and connecting lug plates (505); The fireproof plate (4) is provided with a temperature sensor (6) for triggering the water spraying member (5) to work.

2. The ALC interior partition fire door according to claim 1, characterized in that: The fireproof plate (4) is fixed by bolts or quick-release structures through the connecting hole (401), realizing modular replacement.

3. The ALC interior partition fire door according to claim 1, wherein: The water guide groove (402) is vertically arranged along the fireproof plate (4) for guiding the water discharged by the water spraying member (5) to the position of the water-swelling strip (7).

4. The ALC interior partition fire door according to claim 1, wherein: The water spraying member (5) is detachably installed on the fireproof plate (4) through the connecting lug plates (505), and the water spraying plate (503) is connected with the water pump (502) through a hose.

5. The ALC interior partition fire door according to claim 1, wherein: The atomizing nozzles (504) are uniformly distributed on the water spraying plate (503), and the water spraying range covers the fire surface of the fireproof plate (4).

6. The ALC interior partition fire door according to claim 1, wherein: The temperature sensor (6) is arranged on the water tank (501) and electrically connected with the water pump (502), and when the detected temperature exceeds the set threshold value, the water spraying is automatically started.