Composite heat insulation fireproof door

Abstract

The utility model relates to the technical field of fireproof doors, in particular to a composite heat insulation fireproof door which comprises a fireproof door body, a door frame is installed outside the fireproof door body, and an exhaust mechanism used for exhausting smoke is installed on the side wall of the fireproof door body. The exhaust mechanism comprises a smoke exhaust part, the smoke exhaust part is installed on the side wall of the fireproof door body, one end of the smoke exhaust part communicates with an air inlet, a filter screen is installed in the air inlet, an activated carbon plate is fixed in the smoke exhaust part, and a fixing part is fixed to the side, close to the activated carbon plate, in the smoke exhaust part. Through the arrangement of the exhaust mechanism, flue gas is sucked in through the gas inlet, large dust particles in the flue gas are filtered through the filter screen, an activated carbon plate is used for purifying, when the flue gas passes through the heat absorption pipe, heat in the flue gas can be adsorbed, and the heat absorption pipe is blown to dissipate heat, so that the cooling effect on the flue gas is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of fireproof doors, in particular to a composite heat-insulating fireproof door. Background Art

[0002] Composite insulated fire doors are fire doors with special design and construction. Their main features are their composite structure and good thermal insulation performance. Insulated fire doors can withstand the high temperature and smoke of fire for a certain period of time, and play the role of heat insulation, isolation and smoke isolation. According to the opening method, insulated fire doors can be divided into normally open fire doors and normally closed fire doors. Normally open fire doors are usually open and can close automatically when a fire occurs. Normally closed fire doors always remain closed.

[0003] The existing exterior door panels have fast heat conduction and poor fire isolation, which affects the efficiency of fire fighting and rescue. The structure of the fire door is not strong enough.

[0004] The existing patent (publication number: CN214303568U) discloses a composite heat-insulating fireproof door, which includes a door frame and a door panel. An installation groove is arranged inside the door frame, and the door panel is fixedly installed in the installation groove of the door frame. The filling layer is sound insulation cotton and a perlite fireproof filling layer arranged on both sides of the sound insulation cotton, which can achieve good sound insulation and fire prevention effects. The halogen-free polyethylene hollow board arranged has a flame retardant effect, and the internal cavity can achieve good sound insulation effect.

[0005] In response to the above problems, although the solution given in the existing patent has a good sound insulation and fire prevention effect through the filling layer of sound insulation cotton and the perlite fireproof filling layer arranged on both sides of the sound insulation cotton, it is unable to discharge the smoke when in use. When calling for help, the smoke at the fire site is large and the rescue efficiency cannot be guaranteed. Summary of the invention

[0006] The purpose of the utility model is to provide a composite heat-insulating fire door, in which smoke is drawn in through an air inlet, a filter screen filters larger dust particles in the smoke, an activated carbon plate purifies the smoke, and when the smoke passes through a heat-absorbing tube, the heat in the smoke can be adsorbed, and the wind wheel rotates to blow air to the heat-absorbing tube to dissipate heat, thereby ensuring a cooling effect on the smoke, so as to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above object, the utility model provides the following technical solutions: a composite heat-insulating fire door, comprising a fire door body, a door frame is installed on the outside of the fire door body, and an exhaust mechanism for exhausting smoke is installed on the side wall of the fire door body;

[0008] The exhaust mechanism includes a smoke exhaust piece, which is installed on the side wall of the fire door body, one end of the smoke exhaust piece is connected to an air inlet, a filter is installed inside the air inlet, an activated carbon plate is fixed inside the smoke exhaust piece, a fixing piece is fixed inside the smoke exhaust piece and on one side close to the activated carbon plate, and a negative pressure fan is fixed inside the fixing piece by bolts.

[0009] Preferably, a transmission rod is fixed to one side of the negative pressure fan, and a wind wheel is fixed to the end of the transmission rod passing through the smoke exhaust member.

[0010] Preferably, the other end of the smoke exhaust member is connected to a plurality of heat absorbing tubes, and the ends of the heat absorbing tubes are connected to the exhaust member.

[0011] Preferably, a door hinge is fixed to one end of the fire door body by screws, and the door hinge is connected to the door frame by screws.

[0012] Preferably, a door handle is fixed to the outer surface of the fire door body.

[0013] Preferably, a fireproof board is fixed inside the fireproof door body, and a reinforcing plate fixed to the fireproof door body is fixed to the side wall of the fireproof board.

[0014] Preferably, a sound insulation board fixed to the fire door body is fixed to the side wall of the reinforcement plate.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. Through the exhaust mechanism, the flue gas is drawn in through the air inlet, the filter screen filters the larger dust particles in the flue gas, and the activated carbon plate purifies it. When the flue gas passes through the heat absorption tube, it can absorb the heat in the flue gas, and the wind wheel rotates to blow air to the heat absorption tube to dissipate heat, thereby ensuring the cooling effect of the flue gas;

[0017] 2. The fireproofing effect of the fireproof door can be improved by setting the fireproof board, and the setting reinforcement board can enhance the strength of the fireproof door. The setting soundproofing board plays a certain role in sound insulation, thereby improving the practicality of the fireproof door. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 This is the overall structural view of the utility model;

[0020] Figure 2 This is a schematic diagram of the half-section structure of the fire door body of the utility model;

[0021] Figure 3 For the utility model Figure 2 A magnified view of middle;

[0022] Figure 4 It is a half-section structural schematic diagram of the smoke exhaust component of the utility model.

[0023] Description of reference numerals:

[0024] 1. Fire door body; 2. Door frame; 3. Smoke exhaust parts; 31. Air inlet; 32. Filter; 33. Activated carbon plate; 34. Fixing parts; 35. Negative pressure fan; 36. Transmission rod; 37. Wind wheel; 38. Heat absorption pipe; 39. Exhaust parts; 4. Door hinge; 5. Door handle; 6. Fireproof board; 7. Reinforcement board; 8. Sound insulation board. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] The utility model provides a technical solution:

[0027] See also Figures 1 to 4 A composite heat-insulating fire door comprises a fire door body 1, a door frame 2 is installed outside the fire door body 1, and an exhaust mechanism for exhausting smoke is installed on the side wall of the fire door body 1;

[0028] The exhaust mechanism includes a smoke exhaust component 3, which is installed on the side wall of the fire door body 1, one end of the smoke exhaust component 3 is connected to an air inlet 31, a filter screen 32 is installed inside the air inlet 31, an activated carbon plate 33 is fixed inside the smoke exhaust component 3, a fixing component 34 is fixed inside the smoke exhaust component 3 and on one side close to the activated carbon plate 33, a negative pressure fan 35 is fixed inside the fixing component 34 by bolts, a transmission rod 36 is fixed on one side of the negative pressure fan 35, a wind wheel 37 is fixed at the end of the transmission rod 36 passing through the smoke exhaust component 3, a bearing is provided between the transmission rod 36 and the smoke exhaust component 3, and the normal rotation of the transmission rod 36 can be ensured by the provided bearing, the other end of the smoke exhaust component 3 is connected to a plurality of heat absorption pipes 38, and the end of the heat absorption pipe 38 is connected to an exhaust component 39, one end of the fire door body 1 is fixed to a door hinge 4 by screws, and the door hinge 4 and the door frame 2 are connected by screws.

[0029] By adopting the above technical solution, before using the composite heat-insulating fire door, the door frame 2 is first fixed to a suitable position by bolts, and the door frame 2 and the fire door body 1 are connected and fixed by the door hinge 4. When in use, the fire door is opened and closed by the door handle 5 on the fire door body 1, and the negative pressure fan 35 is started through the fixing part 34 set in the smoke exhaust part 3, so that negative pressure is generated in the smoke exhaust part 3, and the smoke generated by the fire is sucked in through the air inlet 31, and the larger smoke in the smoke can be filtered out through the filter screen 32 set in the air inlet 31. The dust particles are filtered, and the flue gas is purified by the activated carbon plate 33, thereby reducing harmful gases in the flue gas and improving practicality. When the flue gas is drawn into the smoke exhaust part 3, it is discharged into the exhaust part 39 through the heat absorption pipe 38, so that the flue gas is discharged to the outside through the exhaust part 39, and when the flue gas passes through the heat absorption pipe 38, the heat in the flue gas can be absorbed. When the negative pressure fan 35 rotates, it will drive the transmission rod 36 to rotate, and then synchronously drive the wind wheel 37 to rotate, blowing air to the heat absorption pipe 38 to dissipate heat, thereby ensuring the cooling effect of the flue gas.

[0030] Specifically, Figure 1-Figure 4 As shown, a door handle 5 is fixed to the outer surface of the fire door body 1, a fireproof board 6 is fixed inside the fire door body 1, a reinforcing board 7 fixed to the side wall of the fireproof board 6 is fixed, and a sound insulation board 8 fixed to the fire door body 1 is fixed to the side wall of the reinforcing board 7.

[0031] By adopting the above technical scheme, the fireproof board 6 arranged in the fireproof door body 1 can improve the fireproof effect of the fireproof door, and the arranged reinforcement board 7 can enhance the strength of the fireproof door, and the arranged sound insulation board 8 plays a certain sound insulation role, thereby improving the practicality of the fireproof door.

[0032] Working principle: Through the fixing part 34 set in the smoke exhaust part 3, the negative pressure fan 35 is started to generate negative pressure in the smoke exhaust part 3, and the smoke generated by the fire is sucked in through the air inlet 31, and the larger dust particles in the smoke can be filtered through the filter 32 set in the air inlet 31. The smoke is then purified by the activated carbon plate 33, thereby reducing the harmful gases in the smoke and improving the practicality. When the smoke is sucked into the smoke exhaust part 3, it is discharged into the exhaust part 39 through the heat absorption pipe 38, so that the smoke passes through The smoke is discharged to the outside through the exhaust component 39, and when the smoke passes through the heat absorption tube 38, the heat in the smoke can be absorbed. When the negative pressure fan 35 rotates, it will drive the transmission rod 36 to rotate, and then synchronously drive the wind wheel 37 to rotate, blowing air to the heat absorption tube 38 to dissipate heat, thereby ensuring the cooling effect of the smoke. The fireproof plate 6 arranged in the fire door body 1 can improve the fireproof effect of the fireproof door, and the arranged reinforcement plate 7 can enhance the strength of the fireproof door. The arranged sound insulation board 8 plays a certain sound insulation role.

[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A composite heat-insulating fire door, comprising a fire door body (1), characterized in that: A door frame (2) is installed outside the fire door body (1), and an exhaust mechanism for exhausting smoke is installed on the side wall of the fire door body (1); The exhaust mechanism comprises a smoke exhaust component (3), the smoke exhaust component (3) being installed on the side wall of the fire door body (1), one end of the smoke exhaust component (3) being connected to an air inlet (31), a filter (32) being installed inside the air inlet (31), an activated carbon plate (33) being fixed inside the smoke exhaust component (3), a fixing component (34) being fixed inside the smoke exhaust component (3) and close to a side of the activated carbon plate (33), and a negative pressure fan (35) being fixed inside the fixing component (34) by bolts.

2. A composite heat-insulating fireproof door according to claim 1, characterized in that: A transmission rod (36) is fixed to one side of the negative pressure fan (35), and a wind wheel (37) is fixed to the end of the transmission rod (36) passing through the smoke exhaust member (3).

3. A composite heat-insulating fireproof door according to claim 2, characterized in that: The other end of the smoke exhaust component (3) is connected to a plurality of heat absorbing pipes (38), and the ends of the heat absorbing pipes (38) are connected to an exhaust component (39).

4. A composite heat-insulating fireproof door according to claim 1, characterized in that: One end of the fire door body (1) is fixed with a door hinge (4) by means of screws, and the door hinge (4) is connected to the door frame (2) by means of screws.

5. The composite heat-insulating fireproof door according to claim 1, characterized in that: A door handle (5) is fixed to the outer surface of the fire door body (1).

6. A composite heat-insulating fireproof door according to claim 1, characterized in that: A fireproof board (6) is fixed inside the fireproof door body (1), and a reinforcing board (7) fixed to the fireproof door body (1) is fixed on the side wall of the fireproof board (6).

7. A composite heat-insulating fireproof door according to claim 6, characterized in that: A sound insulation board (8) fixed to the fire door body (1) is fixed to the side wall of the reinforcement board (7).

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