Smoke exhaust device for fire engineering

Abstract

The utility model relates to the technical field of smoke exhaust devices, and discloses a smoke exhaust device for fire protection engineering, which solves the problem that the existing smoke exhaust device for fire protection engineering is poor in use effect, and comprises a smoke exhaust main pipeline, and a smoke dust filtering mechanism is fixedly arranged at one end of the smoke exhaust main pipeline; a smoke exhaust main fan is fixedly arranged at the end, away from the smoke exhaust main pipeline, of the smoke dust filtering mechanism, a plurality of branch smoke exhaust fans are fixedly arranged on the two sides of the smoke exhaust main pipeline, L-shaped smoke exhaust branch pipes are fixedly arranged at one ends of the branch smoke exhaust fans, and smoke suction hoods are fixedly arranged at the ends, away from the smoke exhaust main pipeline, of the L-shaped smoke exhaust branch pipes. The L-shaped smoke exhaust branch pipe is fixedly provided with a plurality of fire-fighting branch pipes, one end of each fire-fighting branch pipe is connected with a fire-fighting system water pipe, and a spraying mechanism is arranged at the top end in the L-shaped smoke exhaust branch pipe; by means of the smoke exhaust device, cooling and fire extinguishing of the smoke exhaust pipeline can be achieved, flames are prevented from being exhausted along the smoke exhaust pipeline, safety is improved, and meanwhile smoke dust in smoke can be filtered.

Description

Technical Field

[0001] The utility model belongs to the technical field of smoke exhaust devices, in particular to a smoke exhaust device for fire protection engineering. Background Art

[0002] In fire protection engineering, smoke exhaust is an important task. Smoke can cause the fire to expand, which not only threatens the life safety of people, but also affects fire rescue. The authorization announcement number CN220689269U discloses a smoke exhaust device for fire protection engineering. By setting an exhaust component and an air supply component, the device can effectively exhaust the smoke and send in fresh air, thereby improving the safety and efficiency of fire protection engineering; however, when the device is in use, it is impossible to cool the smoke exhaust pipe and extinguish the fire. In actual use, if the fire is large, the flames will be discharged along the smoke exhaust pipe, which may easily cause outdoor buildings to burn, which is dangerous. In addition, the high temperature environment will also affect the safety of the smoke exhaust pipe. Therefore, the present application proposes a smoke exhaust device for fire protection engineering to achieve improvements on the above problems. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a smoke exhaust device for fire protection engineering, which effectively solves the problem that the existing smoke exhaust devices for fire protection engineering have poor performance.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a smoke exhaust device for fire protection engineering, comprising a smoke exhaust main pipe, a smoke dust filtering mechanism is fixedly provided at one end of the smoke exhaust main pipe, a smoke dust filtering mechanism is fixedly provided at the end of the smoke dust filtering mechanism away from the smoke exhaust main pipe, a plurality of branch smoke exhaust fans are fixedly provided on both sides of the smoke exhaust main pipe, an L-shaped smoke exhaust branch pipe is fixedly provided at one end of the branch smoke exhaust fan, a smoke hood is fixedly provided at the end of the L-shaped smoke exhaust branch pipe away from the smoke exhaust main pipe, a plurality of fire-fighting branch pipes are fixedly provided on the L-shaped smoke exhaust branch pipe, one end of the fire-fighting branch pipe is connected to the water pipe of the fire-fighting system, and a sprinkler mechanism fixedly connected to the fire-fighting branch pipe is provided at the top end inside the L-shaped smoke exhaust branch pipe.

[0005] Preferably, a solenoid valve is provided on the fire branch pipe, and a plurality of drain pipes are fixedly provided at the bottom end of the smoke exhaust main pipe, and the other end of the drain pipe is connected to the indoor drainage pipeline.

[0006] Preferably, the sprinkler mechanism consists of a vertical pipe, a horizontal pipe and several sprinkler heads. The vertical pipe is inserted into the L-shaped smoke exhaust branch pipe and fixedly connected to the fire branch pipe. The horizontal pipe is fixedly connected to the bottom end of the vertical pipe, and the sprinkler head is fixedly connected to the bottom end of the horizontal pipe.

[0007] Preferably, the smoke filtering mechanism consists of a filter box, a smoke collection box, a filter mesh plate and an anti-blocking component. The filter box is fixedly connected between the smoke exhaust main duct and the smoke exhaust main fan, the smoke collection box is fixedly connected to the bottom end of the filter box, the filter mesh plate is connected to the inside of the filter box and the smoke collection box, and the anti-blocking component is inserted and connected to the top of one side of the filter mesh plate.

[0008] Preferably, a door is provided at the bottom end of the smoke and dust collecting box.

[0009] Preferably, the anti-blocking component is composed of a limiting sleeve, a rotating shaft, a bearing, a plurality of blades, a plurality of strip support plates and a plurality of brush strips. The limiting sleeve is inserted into the filter screen plate and fixedly connected thereto. The rotating shaft is rotatably connected to the limiting sleeve through the bearing. The blade is fixedly connected to one end of the rotating shaft. The strip support plate is fixedly connected to one end of the side of the rotating shaft close to the filter screen plate. The brush strip is fixedly connected to one side of the strip support plate close to the filter screen plate.

[0010] Compared with the prior art, the beneficial effects of the present invention are:

[0011] (1) During operation, by providing a main smoke exhaust pipe, a main smoke exhaust fan, a branch smoke exhaust fan, an L-shaped smoke exhaust branch pipe and a smoke hood, smoke exhaust can be achieved at multiple locations simultaneously, so that indoor smoke can be quickly discharged. By providing a fire branch pipe, a solenoid valve and a sprinkler mechanism consisting of a vertical pipe, a horizontal pipe and a plurality of sprinkler heads, it can cooperate with the fire protection system and use fire water to cool the main smoke exhaust pipe and the L-shaped smoke exhaust branch pipe and extinguish the fire, thereby avoiding the temperature of the main smoke exhaust pipe and the L-shaped smoke exhaust branch pipe being too high and preventing the flames from being discharged to the outside through the main smoke exhaust pipe and the L-shaped smoke exhaust branch pipe, thereby improving safety;

[0012] (2) By setting up a smoke filter mechanism consisting of a filter box, a smoke collection box, a filter screen and an anti-blocking component, the smoke in the smoke can be filtered to prevent the smoke from being discharged into the external air. By setting up an anti-blocking component consisting of a limiting sleeve, a rotating shaft, a bearing, a plurality of blades, a plurality of strip support plates and a plurality of brush strips, the filter screen can be cleaned to prevent the filter screen from being blocked, thereby improving the fluency of smoke exhaust. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention.

[0014] In the attached figure:

[0015] Figure 1 This is a schematic diagram of the structure of a smoke exhaust device for fire protection engineering of the utility model;

[0016] Figure 2This is a schematic diagram of the structure of the spray mechanism and L-shaped smoke exhaust branch pipe of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the spray mechanism of the utility model;

[0018] Figure 4 This is a schematic diagram of the internal structure of the smoke and dust filtering mechanism of the utility model;

[0019] Figure 5 This is a schematic diagram of the anti-blocking component structure of the utility model;

[0020] In the figure: 1. Smoke exhaust main duct; 2. Smoke dust filtering mechanism; 3. Smoke exhaust main fan; 4. Branch smoke exhaust fan; 5. L-shaped smoke exhaust branch pipe; 6. Smoke hood; 7. Fire branch pipe; 8. Sprinkler mechanism; 9. Solenoid valve; 10. Drain pipe; 11. Vertical pipe; 12. Horizontal pipe; 13. Sprinkler head; 14. Filter box; 15. Smoke dust collection box; 16. Filter screen; 17. Anti-blocking component; 18. Door body; 19. Limit sleeve; 20. Rotating shaft; 21. Bearing; 22. Blade; 23. Strip support plate; 24. Brush strip. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0022] Depend on Figure 1 and Figure 2 The utility model provides a smoke exhaust device for fire protection engineering, comprising a smoke exhaust main pipe 1, one end of the smoke exhaust main pipe 1 is fixedly provided with a smoke dust filtering mechanism 2, the end of the smoke dust filtering mechanism 2 away from the main smoke exhaust pipe 1 is fixedly provided with a smoke exhaust main fan 3, both sides of the main smoke exhaust pipe 1 are fixedly provided with a plurality of branch smoke exhaust fans 4, one end of the branch smoke exhaust fan 4 is fixedly provided with an L-shaped smoke exhaust branch pipe 5, the end of the L-shaped smoke exhaust branch pipe 5 away from the main smoke exhaust pipe 1 is fixedly provided with a smoke hood 6, the L-shaped smoke exhaust branch pipe 5 is fixedly provided with a plurality of fire branch pipes 7, one end of the fire branch pipe 7 is connected to the water pipe of the fire protection system, and the top of the L-shaped smoke exhaust branch pipe 5 is provided with a sprinkler mechanism 8 fixedly connected to the fire branch pipe 7;

[0023] When a fire occurs, the main smoke exhaust fan 3 and the branch smoke exhaust fan 4 are started at the same time, and smoke is absorbed by the smoke extraction hood 6. The smoke enters the L-shaped smoke exhaust branch pipe 5 along the smoke extraction hood 6, and then enters the main smoke exhaust pipe 1, so that smoke is exhausted from multiple positions at the same time, and the smoke exhaust efficiency is improved. The smoke dust filtering mechanism 2 is used to filter the smoke and prevent the smoke from being discharged into the external air. Water is supplied to the fire branch pipe 7 through the fire protection system water pipe, and the L-shaped smoke exhaust branch pipe 5 is sprayed by the sprinkler mechanism 8. On the one hand, it can achieve cooling, and on the other hand, it can prevent the flames from being discharged to the outside along the L-shaped smoke exhaust branch pipe 5 and the main smoke exhaust pipe 1;

[0024] Depend on Figures 1 to 3 A solenoid valve 9 is provided on the fire branch pipe 7, and a plurality of drain pipes 10 are fixedly provided at the bottom end of the smoke exhaust main pipe 1. The other end of the drain pipe 10 is connected to the indoor drainage pipe. The sprinkler mechanism 8 is composed of a vertical pipe 11, a horizontal pipe 12 and a plurality of sprinkler heads 13. The vertical pipe 11 is inserted into the L-shaped smoke exhaust branch pipe 5 and is fixedly connected to the fire branch pipe 7. The horizontal pipe 12 is fixedly connected to the bottom end of the vertical pipe 11, and the sprinkler head 13 is fixedly connected to the bottom end of the horizontal pipe 12.

[0025] The solenoid valve 9 is electrically connected to the fire protection system. When a fire occurs, the solenoid valve 9 is controlled to open, allowing the fire protection water to enter the fire protection branch pipe 7 and then be sprayed along the vertical pipe 11, horizontal pipe 12 and sprinkler head 13 to cool the L-shaped smoke exhaust branch pipe 5 and the smoke exhaust main pipe 1 to extinguish the fire. The water inside the L-shaped smoke exhaust branch pipe 5 and the smoke exhaust main pipe 1 can be drained to the sewer pipe through the drain pipe 10;

[0026] Depend on Figure 1 、 Figure 4 and Figure 5 The smoke filter mechanism 2 is composed of a filter box 14, a smoke collection box 15, a filter screen plate 16 and an anti-blocking component 17. The filter box 14 is fixedly connected between the smoke exhaust main pipe 1 and the smoke exhaust main fan 3. The smoke collection box 15 is fixedly connected to the bottom end of the filter box 14. The filter screen plate 16 is connected to the inside of the filter box 14 and the smoke collection box 15. The anti-blocking component 17 is connected to the top of one side of the filter screen plate 16. The bottom end of the smoke collection box 15 is provided with a door body 18. The anti-blocking component 17 is limited. The filter element 16 is composed of a limiting sleeve 19, a rotating shaft 20, a bearing 21, a plurality of blades 22, a plurality of strip support plates 23 and a plurality of brush strips 24. The limiting sleeve 19 is inserted into the filter screen plate 16 and fixedly connected thereto. The rotating shaft 20 is rotatably connected to the limiting sleeve 19 through the bearing 21. The blade 22 is fixedly connected to one end of the rotating shaft 20. The strip support plate 23 is fixedly connected to one end of the side of the rotating shaft 20 close to the filter screen plate 16. The brush strip 24 is fixedly connected to one side of the strip support plate 23 close to the filter screen plate 16.

[0027] When a fire occurs, there will be smoke and dust in the smoke. At this time, the smoke and dust are filtered through the filter plate 16 to prevent the smoke and dust from being discharged to the outside. The wind drives the blades 22 to rotate, and the blades 22 drive the rotating shaft 20 to rotate. The rotating shaft 20 drives the strip support plate 23 and the brush strip 24 to rotate. The brush strip 24 is used to scrape the smoke and dust on the filter plate 16 to prevent the filter plate 16 from being blocked, thereby improving the smoothness of smoke exhaust.

[0028] During operation, by setting up the main smoke exhaust pipe, main smoke exhaust fan, branch smoke exhaust fan, L-shaped smoke exhaust branch pipe and smoke hood, smoke exhaust can be achieved in multiple positions at the same time, so that the indoor smoke is quickly discharged. By setting up the fire branch pipe, solenoid valve and the sprinkler mechanism composed of vertical pipe, horizontal pipe and several sprinkler heads, it can cooperate with the fire protection system and use fire water to cool down the main smoke exhaust pipe and L-shaped smoke exhaust branch pipe and extinguish the fire, so as to avoid the temperature of the main smoke exhaust pipe and L-shaped smoke exhaust branch pipe being too high and the flames being prevented. The smoke is discharged to the outside through the smoke exhaust main pipe and the L-shaped smoke exhaust branch pipe, thereby improving safety; by setting up a smoke and dust filtering mechanism composed of a filter box, a smoke and dust collection box, a filter screen and an anti-blocking component, the smoke and dust in the smoke can be filtered to prevent the smoke and dust from being discharged into the external air; by setting up an anti-blocking component composed of a limiting sleeve, a rotating shaft, a bearing, a plurality of blades, a plurality of strip support plates and a plurality of brush strips, the filter screen can be cleaned to prevent the filter screen from being blocked, thereby improving the fluency of smoke exhaust.

Claims

1. A smoke exhaust device for fire protection engineering, comprising a smoke exhaust main duct (1), characterized in that: A smoke dust filtering mechanism (2) is fixedly arranged at one end of the smoke exhaust main pipe (1), a smoke exhaust main fan (3) is fixedly arranged at one end of the smoke dust filtering mechanism (2) away from the smoke exhaust main pipe (1), a plurality of branch smoke exhaust fans (4) are fixedly arranged on both sides of the smoke exhaust main pipe (1), an L-shaped smoke exhaust branch pipe (5) is fixedly arranged at one end of the branch smoke exhaust fan (4), a smoke extraction hood (6) is fixedly arranged at one end of the L-shaped smoke exhaust branch pipe (5) away from the smoke exhaust main pipe (1), a plurality of fire-fighting branch pipes (7) are fixedly arranged on the L-shaped smoke exhaust branch pipe (5), one end of the fire-fighting branch pipe (7) is connected to a water pipe of a fire-fighting system, and a spray mechanism (8) fixedly connected to the fire-fighting branch pipe (7) is arranged at the top end of the L-shaped smoke exhaust branch pipe (5).

2. A smoke exhaust device for fire protection engineering according to claim 1, characterized in that: The fire branch pipe (7) is provided with a solenoid valve (9), and a plurality of drainage pipes (10) are fixedly provided at the bottom end of the smoke exhaust main pipe (1), and the other end of the drainage pipe (10) is connected to the indoor drainage pipeline.

3. A smoke exhaust device for fire protection engineering according to claim 1, characterized in that: The spray mechanism (8) is composed of a vertical pipe (11), a horizontal pipe (12) and a plurality of spray heads (13); the vertical pipe (11) is inserted into the L-shaped smoke exhaust branch pipe (5) and is fixedly connected to the fire branch pipe (7); the horizontal pipe (12) is fixedly connected to the bottom end of the vertical pipe (11); and the spray head (13) is fixedly connected to the bottom end of the horizontal pipe (12).

4. A smoke exhaust device for fire protection engineering according to claim 1, characterized in that: The smoke filter mechanism (2) is composed of a filter box (14), a smoke collection box (15), a filter screen plate (16) and an anti-blocking component (17); the filter box (14) is fixedly connected between the smoke exhaust main duct (1) and the smoke exhaust main fan (3); the smoke collection box (15) is fixedly connected to the bottom end of the filter box (14); the filter screen plate (16) is connected to the inside of the filter box (14) and the smoke collection box (15); and the anti-blocking component (17) is connected to the top end of one side of the filter screen plate (16).

5. A smoke exhaust device for fire protection engineering according to claim 4, characterized in that: The bottom end of the smoke and dust collecting box (15) is provided with a door body (18).

6. A smoke exhaust device for fire protection engineering according to claim 4, characterized in that: The anti-blocking component (17) is composed of a limiting sleeve (19), a rotating shaft (20), a bearing (21), a plurality of blades (22), a plurality of strip support plates (23) and a plurality of brush strips (24); the limiting sleeve (19) is inserted into the filter screen plate (16) and fixedly connected thereto; the rotating shaft (20) is rotatably connected to the limiting sleeve (19) via the bearing (21); the blade (22) is fixedly connected to one end of the rotating shaft (20); the strip support plate (23) is fixedly connected to one end of the side of the rotating shaft (20) close to the filter screen plate (16); and the brush strip (24) is fixedly connected to one side of the strip support plate (23) close to the filter screen plate (16).

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