Building smoke exhaust system

Abstract

The utility model discloses a building smoke exhaust system which comprises a supporting base, the top end of the supporting base is fixedly connected with a negative pressure fan, the output end of the negative pressure fan is fixedly connected with a smoke exhaust pipe, the front end of the smoke exhaust pipe is fixedly connected with a processing box, and the other side of the processing box is fixedly connected with a smoke exhaust channel. A connecting groove is formed in the inner side of the treatment box, a smoke exhaust mechanism is arranged on the inner side of the connecting groove, a filter screen is movably connected to the interior of the treatment box, a push-pull handle is fixedly connected to the rear end of the filter screen, and a fixing mechanism is movably connected to the rear end of the push-pull handle. By arranging the smoke discharging mechanism, smoke is fed into the treatment box through the negative pressure fan and the smoke discharging pipe, then the smoke is filtered through the filter screen, later discharging is facilitated, then the flowing speed of the smoke in the treatment box is increased through the exhaust fan, the smoke is sprayed through the spraying head, the concentration of the smoke is reduced, and the smoke is discharged conveniently. Therefore, the flue gas treatment speed is increased.

Description

Technical Field

[0001] The utility model relates to a smoke exhaust system, in particular to a building smoke exhaust system. Background Art

[0002] When a fire occurs in a building, a large amount of smoke will be generated, causing casualties. Usually, during the construction of a building, a smoke exhaust duct will be installed on the wall or roof of the building. The smoke exhaust duct connects the indoor and outdoor areas, and then mechanical or natural smoke exhaust is used to discharge the indoor smoke to the outside through the smoke exhaust duct, thereby reducing the indoor smoke concentration and increasing the survival rate of trapped people.

[0003] Prior art, such as: CN211953153U A building fire smoke exhaust device, including an air duct and a control panel, wherein the air duct is provided with a plurality of groups, the plurality of groups of air ducts are interconnected, and the inner side walls of the plurality of groups of air ducts are provided with a ventilation mechanism at a fixed distance, and the ventilation mechanism includes a first bracket, a second bracket and a fan blade. The utility model is provided with a ventilation mechanism at a fixed distance inside the plurality of groups of air ducts, and the fan blade is fixedly connected to the ventilation mechanism through the central axis of the rotating shaft on the fixed block. When the driving fan blade at the top of each section of the air duct rotates, each section of the air duct can generate wind flow, thereby driving the fan blade on the ventilation mechanism, thereby effectively increasing the wind flow in each group of air ducts, improving the smoke exhaust efficiency, and reducing the consumption of electric energy, which is conducive to a more practical use of the building fire smoke exhaust device, is relatively practical, and is suitable for wide promotion and use.

[0004] There are other existing technologies such as: CN210320496U, a smoke exhaust system in a building

[0005] CN212566122U, Building fire smoke exhaust device

[0006] CN217817251U, A new type of building smoke exhaust structure

[0007] However, the above-mentioned and other typical existing technologies still have certain problems when in use: when in use, the existing building smoke exhaust devices mostly only exhaust smoke through fans. When the amount of smoke is large, the smoke exhaust is relatively slow, which affects the efficiency of smoke exhaust. Moreover, after long-term use, the filter needs to be replaced, but it is not convenient to quickly disassemble the filter for cleaning. Utility Model Content

[0008] The purpose of the utility model is to provide a building smoke exhaust system to solve the problem that the existing smoke exhaust system proposed in the above background technology exhausts smoke slowly when the smoke volume is large, affecting the efficiency of smoke exhaust, and after long-term use, the filter needs to be replaced, but it is not convenient to quickly disassemble the filter for cleaning.

[0009] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a building smoke exhaust system, comprising a supporting base, a negative pressure fan is fixedly connected to the top of the supporting base, a smoke exhaust pipe is fixedly connected to the output end of the negative pressure fan, a treatment box is fixedly connected to the front end of the smoke exhaust pipe, and a smoke exhaust channel is fixedly connected to the other side of the treatment box, a connecting groove is opened on the inner side of the treatment box, a smoke exhaust mechanism is arranged on the inner side of the connecting groove, a filter is movably connected to the inside of the treatment box, and a push-pull handle is fixedly connected to the rear end of the filter, and a fixing mechanism is movably connected to the rear end of the push-pull handle.

[0010] As a preferred technical solution of the utility model, the smoke exhaust mechanism includes an exhaust fan, a water tank, a sprinkler head and a connecting pipe. The exhaust fan is symmetrically arranged, the connecting pipe is fixedly connected to the inside of the water tank, and the other end of the connecting pipe is fixedly connected to the inside of the sprinkler head.

[0011] As a preferred technical solution of the utility model, the exhaust fan is fixedly connected to the upper side of the processing box, and the exhaust fan is located on the inner side of the connecting groove, the water tank is fixedly connected to the top of the processing box, and the sprinkler head is fixedly connected to the inner side of the processing box.

[0012] As a preferred technical solution of the utility model, a fixing frame is fixedly connected to the lower side of the processing box, and a water permeable layer is arranged inside the fixing frame, and the fixing frame is located at the lower side of the spray head.

[0013] As a preferred technical solution of the utility model, the fixing mechanism includes an outer frame, a movable plate, an adjusting rod, a positioning block and a guide rail, the upper side of the movable plate is movably connected to the inner side of the outer frame, the lower side of the movable plate is movably connected to the inner side of the guide rail, the adjusting rod is movably connected to the inside of the positioning block, and the positioning block is movably connected to the inside of the movable plate.

[0014] As a preferred technical solution of the utility model, the outer frame and the guide rail are respectively fixedly connected to the outside of the processing box, the top of the outer frame is fixedly connected to an adjustment block, and the front end of the adjustment rod is movably connected to the inside of the adjustment block through a thread, the front end of the movable plate is provided with a slot, and the front end of the positioning block is located on the inner side of the slot.

[0015] As a preferred technical solution of the utility model, the movable plate is movably connected to the rear end of the push-pull handle, the lower side of the processing box is fixedly connected with a support frame, and the support frame is located at the lower side of the movable plate.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The utility model provides a smoke exhaust mechanism, sends smoke into a processing box through a negative pressure fan and a smoke exhaust pipe, and then filters the smoke through a filter to facilitate later discharge, and then accelerates the flow rate of the smoke in the processing box through an exhaust fan, and sprays the smoke through a spray head to reduce its concentration, thereby increasing the processing speed of the smoke.

[0018] 2. The utility model sets a fixing mechanism, holds the movable plate, and then rotates the adjusting rod outward, so that the adjusting rod drives the positioning block away from the movable plate, and then pulls the movable plate downward to move the movable plate downward in the guide rail, so that the upper side of the movable plate is placed in the supporting frame, the processing box is opened, and then the push-pull handle is pulled outward to pull out the filter plate, and it is cleaned and replaced, so that the filter screen can be disassembled and cleaned, thereby ensuring the filtering effect of the filter screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 2 It is a side view stereoscopic structural schematic diagram of the utility model;

[0021] Figure 3 It is a partial cross-sectional structural schematic diagram of the utility model;

[0022] Figure 4 It is a partial bottom view structural diagram of the utility model;

[0023] Figure 5 For the utility model Figure 2 Enlarged structural diagram at A in the middle.

[0024] In the figure: 1. Support base; 2. Negative pressure fan; 3. Smoke exhaust pipe; 4. Processing box; 5. Smoke exhaust channel; 6. Connecting slot; 7. Smoke exhaust mechanism; 701. Exhaust fan; 702. Water tank; 703. Sprinkler head; 704. Connecting pipe; 8. Filter; 9. Fixing mechanism; 901. Outer frame; 902. Moving plate; 903. Adjusting rod; 904. Positioning block; 905. Guide rail; 10. Push-pull handle; 11. Fixing frame; 12. Water seepage layer; 13. Adjusting block; 14. Slot; 15. Support frame. 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] See also Figure 1-5 , the utility model provides a technical solution for a building smoke exhaust system:

[0027] Embodiment 1:

[0028] according to Figure 1-Figure 5 As shown, a building smoke exhaust system includes a support base 1, the top of the support base 1 is fixedly connected to a negative pressure fan 2, the output end of the negative pressure fan 2 is fixedly connected to a smoke exhaust pipe 3, the front end of the smoke exhaust pipe 3 is fixedly connected to a processing box 4, and the other side of the processing box 4 is fixedly connected to a smoke exhaust channel 5, a connecting groove 6 is opened on the inner side of the processing box 4, a smoke exhaust mechanism 7 is arranged on the inner side of the connecting groove 6, a filter screen 8 is movably connected to the inside of the processing box 4, and a push-pull handle 10 is fixedly connected to the rear end of the filter screen 8, and the rear end of the push-pull handle 10 is movably connected to a fixing mechanism 9.

[0029] During specific use, the utility model provides a building smoke exhaust system, which delivers smoke into the processing box 4 through the negative pressure fan 2 and the smoke exhaust pipe 3, and then filters the smoke through the filter 8 to facilitate subsequent discharge, and then accelerates the flow speed of smoke in the processing box 4 through the exhaust fan 701, and sprays the smoke through the spray head 703 to reduce its concentration, thereby increasing the processing speed of the smoke. When it is necessary to disassemble and clean the filter 8, hold the movable plate 902, and then rotate the adjustment rod 903 outward so that the adjustment rod 903 drives the positioning block 904 away from the movable plate 902, and then pull the movable plate 902 downward to move the movable plate 902 downward in the guide rail 905, so that the upper side of the movable plate 902 is placed in the support frame 15, open the processing box 4, and then pull the push-pull handle 10 outward to pull out the filter plate for cleaning and replacement, thereby facilitating the disassembly and cleaning of the filter 8 and ensuring the filtering effect of the filter 8.

[0030] Embodiment 2:

[0031] On the basis of the first embodiment, Figure 2 and Figure 4 As shown, the smoke exhaust mechanism 7 includes an exhaust fan 701, a water tank 702, a spray head 703 and a connecting pipe 704, the exhaust fan 701 is symmetrically arranged, the connecting pipe 704 is fixedly connected to the inside of the water tank 702, and the other end of the connecting pipe 704 is fixedly connected to the inside of the spray head 703, the exhaust fan 701 is fixedly connected to the upper side of the processing box 4, and the exhaust fan 701 is located on the inner side of the connecting groove 6, the water tank 702 is fixedly connected to the top of the processing box 4, and the spray head 703 is fixedly connected to the inner side of the processing box 4, the lower side of the processing box 4 is fixedly connected with a fixed frame 11, and a water permeable layer 12 is arranged inside the fixed frame 11, and the fixed frame 11 is located on the lower side of the spray head 703.

[0032] The flue gas is filtered through the filter 8 to facilitate subsequent discharge, and then the flow rate of the flue gas in the processing box 4 is accelerated by the exhaust fan 701, and the flue gas is sprayed through the spray head 703 to reduce its concentration, thereby increasing the processing speed of the flue gas.

[0033] Embodiment three:

[0034] On the basis of the first and second embodiments, Figure 1 , Figure 2 and Figure 5 As shown, the fixing mechanism 9 includes an outer frame 901, a movable plate 902, an adjusting rod 903, a positioning block 904 and a guide rail 905. The upper side of the movable plate 902 is movably connected to the inner side of the outer frame 901, the lower side of the movable plate 902 is movably connected to the inner side of the guide rail 905, the adjusting rod 903 is movably connected to the inside of the positioning block 904, the positioning block 904 is movably connected to the inside of the movable plate 902, and the outer frame 901 and the guide rail 905 are fixedly connected to each other. Connected to the outside of the processing box 4, the top of the outer frame 901 is fixedly connected to the adjusting block 13, and the front end of the adjusting rod 903 is movably connected to the inside of the adjusting block 13 through a thread, the front end of the movable plate 902 is provided with a card slot 14, and the front end of the positioning block 904 is located on the inner side of the card slot 14, the movable plate 902 is movably connected to the rear end of the push-pull handle 10, and the lower side of the processing box 4 is fixedly connected to the supporting frame 15, and the supporting frame 15 is located on the lower side of the movable plate 902.

[0035] Hold the movable plate 902, and then rotate the adjustment rod 903 outward so that the adjustment rod 903 drives the positioning block 904 away from the movable plate 902, and then pull the movable plate 902 downward to move the movable plate 902 downward in the guide rail 905, so that the upper side of the movable plate 902 is placed in the support frame 15, open the processing box 4, and then pull the push-pull handle 10 outward to pull out the filter plate, clean and replace it, so as to facilitate the disassembly and cleaning of the filter screen 8 to ensure the filtering effect of the filter screen 8.

[0036] When in use, the utility model provides a building smoke exhaust system, which delivers smoke into the processing box 4 through the negative pressure fan 2 and the smoke exhaust pipe 3, and then filters the smoke through the filter 8 to facilitate later discharge, and then accelerates the flow speed of smoke in the processing box 4 through the exhaust fan 701, and sprays the smoke through the spray head 703 to reduce its concentration, and the excess water falls into the support frame 15 through the water permeable layer 12, thereby improving the processing speed of the smoke. When the filter 8 needs to be disassembled and cleaned, hold the movable plate 902, and then rotate the adjustment rod 903 outwards, so that the adjustment rod 903 drives the positioning block 904 away from the movable plate 902, and then pull the movable plate 902 downward to move the movable plate 902 downward in the guide rail 905, so that the upper side of the movable plate 902 is placed in the support frame 15, open the processing box 4, and then pull the push-pull handle 10 outwards to pull out the filter plate, and clean and replace it, so as to facilitate the disassembly and cleaning of the filter 8 and ensure the filtering effect of the filter 8.

[0037] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0038] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0039] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] In the present utility model, unless otherwise clearly specified and limited, the first feature "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description of reference terms "one scheme", "some schemes", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the scheme or example are included in at least one scheme or example of the present utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same scheme or example. Moreover, the specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more schemes or examples.

Claims

1. A building smoke exhaust system, comprising a support base (1), characterized in that: The top end of the support base (1) is fixedly connected to a negative pressure fan (2), the output end of the negative pressure fan (2) is fixedly connected to a smoke exhaust pipe (3), the front end of the smoke exhaust pipe (3) is fixedly connected to a processing box (4), and the other side of the processing box (4) is fixedly connected to a smoke exhaust passage (5), a connecting groove (6) is provided on the inner side of the processing box (4), a smoke exhaust mechanism (7) is provided on the inner side of the connecting groove (6), a filter screen (8) is movably connected to the inside of the processing box (4), and a push-pull handle (10) is fixedly connected to the rear end of the filter screen (8), and a fixing mechanism (9) is movably connected to the rear end of the push-pull handle (10).

2. A building smoke exhaust system according to claim 1, characterized in that: The smoke exhaust mechanism (7) comprises an exhaust fan (701), a water tank (702), a spray head (703) and a connecting pipe (704); the exhaust fan (701) is symmetrically arranged; the connecting pipe (704) is fixedly connected to the inside of the water tank (702); and the other end of the connecting pipe (704) is fixedly connected to the inside of the spray head (703).

3. A building smoke exhaust system according to claim 2, characterized in that: The exhaust fan (701) is fixedly connected to the upper side of the processing box (4), and the exhaust fan (701) is located on the inner side of the connecting groove (6); the water tank (702) is fixedly connected to the top of the processing box (4), and the spray head (703) is fixedly connected to the inner side of the processing box (4).

4. A building smoke exhaust system according to claim 2, characterized in that: A fixing frame (11) is fixedly connected to the lower side of the processing box (4), and a water permeable layer (12) is provided inside the fixing frame (11). The fixing frame (11) is located at the lower side of the spray head (703).

5. A building smoke exhaust system according to claim 1, characterized in that: The fixing mechanism (9) comprises an outer frame (901), a movable plate (902), an adjusting rod (903), a positioning block (904) and a guide rail (905); the upper side of the movable plate (902) is movably connected to the inner side of the outer frame (901); the lower side of the movable plate (902) is movably connected to the inner side of the guide rail (905); the adjusting rod (903) is movably connected to the inside of the positioning block (904); and the positioning block (904) is movably connected to the inside of the movable plate (902).

6. A building smoke exhaust system according to claim 5, characterized in that: The outer frame (901) and the guide rail (905) are respectively fixedly connected to the outside of the processing box (4); the top end of the outer frame (901) is fixedly connected to an adjustment block (13); the front end of the adjustment rod (903) is movably connected to the inside of the adjustment block (13) through a thread; the front end of the movable plate (902) is provided with a slot (14); and the front end of the positioning block (904) is located on the inner side of the slot (14).

7. A building smoke exhaust system according to claim 5, characterized in that: The movable plate (902) is movably connected to the rear end of the push-pull handle (10); the lower side of the processing box (4) is fixedly connected to a support frame (15), and the support frame (15) is located on the lower side of the movable plate (902).

Images