Smoke guide structure of fire-fighting smoke exhaust fan

By introducing directional and spray components into the fire exhaust fan, the problem of inflexible smoke exhaust in the existing technology has been solved, realizing directional smoke exhaust and smoke purification, and improving the practicality and safety of the fire exhaust fan.

CN223662179UActive Publication Date: 2025-12-12SICHUAN AOYUAN ENERGY SAVING & ENVIRONMENTAL PROTECTION EQUIP CO LTD
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Patent Information

Application Number
CN202520373452.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-05
Publication Date
2025-12-12
Estimated Expiration
2035-03-05

AI Technical Summary

Technical Problem

Existing fire exhaust fans are not convenient for directional exhaust according to on-site needs during fire exhaust, resulting in poor practicality.

Method used

A directional assembly comprising an electric valve and a flue is designed. The emission direction of the smoke is guided by adjusting the on/off state of the electric valve. A spray assembly is provided to reduce the temperature of the flue gas and filter particulate matter. Water resources are recycled using a pump box and a water supply pipe.

Benefits of technology

It enables flexible directional smoke extraction based on site requirements, reduces flue gas temperature and purifies flue gas, improves the safety and practicality of smoke extraction, extends equipment life and saves water resources.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223662179U_ABST
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Abstract

The utility model discloses a fire-fighting smoke exhaust fan smoke guide structure which comprises a fan cylinder, a fan is fixedly installed in the fan cylinder, a smoke outlet guide box is arranged on one side of the fan cylinder, a second cylinder body is fixedly installed between the fan cylinder and the smoke outlet guide box, and a smoke outlet is formed in the second cylinder body. Orientation assemblies are arranged on one side, the upper portion, the lower portion, the front end and the rear end of the smoke outlet guiding box, each orientation assembly comprises an electric valve and a smoke discharging barrel, each electric valve is arranged between the smoke outlet guiding box and the smoke discharging barrel, and the two ends of each electric valve are fixedly connected with the smoke outlet guiding box and the smoke discharging barrel respectively. According to the invention, the capability of conveniently guiding the directional discharge of smoke according to the demand of on-site smoke discharge is realized, and the practicability is improved, so that the problems that the directional discharge of the smoke is inconvenient to guide according to the demand of on-site smoke discharge and the practicability is poor during fire-fighting smoke discharge are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a smoke guide structure technology field, concretely is a fire smoke exhaust fan smoke guide structure. BACKGROUND

[0002] The fire smoke exhaust fan is the core part of the fire smoke exhaust system, and the smoke exhaust fan generally adopts the axial flow fan, the motor is coaxial with the blade, that is, the airflow is in the same direction as the shaft of the fan blade, that is, the flow direction of the wind is parallel to the shaft, which is different from the general fan, the motor and the fan blade are in a cylinder, and the shape is a cylinder, which is used for local ventilation, convenient to install, and flexible to use in fire smoke exhaust;

[0003] For example, the authorized patent (a fire axial flow smoke exhaust fan) with the announcement number CN218493840U: the fan casing and the mounting base are fixedly installed on the mounting base, the fan casing is provided with a smoke exhaust fan and a smoke guide tail fan, the smoke exhaust fan and the smoke guide tail fan are rotatably connected in the fan casing, the mounting base is provided with telescopic supporting columns and damping springs, so that the fire smoke exhaust fan can extract smoke in sequence during use;

[0004] The above-mentioned prior art can improve the smoke exhaust efficiency of the fire smoke exhaust fan, but does not have a smoke guide structure, so that it is not convenient to guide the smoke to be discharged in a directional manner according to the demand of on-site smoke exhaust during fire smoke exhaust, and the practicability is poor; therefore, there is an urgent need in the market to develop a fire smoke exhaust fan smoke guide structure to help people solve the existing problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a fire smoke exhaust fan smoke guide structure to solve the problem that it is not convenient to guide the smoke to be discharged in a directional manner according to the demand of on-site smoke exhaust during fire smoke exhaust in the background art.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a fire smoke exhaust fan smoke guide structure, comprising a fan cylinder, a fan is fixedly installed in the inside of the fan cylinder, a smoke outlet guide box is arranged on one side of the fan cylinder, a cylinder two is fixedly installed between the fan cylinder and the smoke outlet guide box, directional components are arranged on one side, the upper side, the lower side, the front end and the rear end of the smoke outlet guide box, the directional components comprise an electric valve and a smoke exhaust cylinder, the electric valve is arranged between the smoke outlet guide box and the smoke exhaust cylinder, and the two ends of the electric valve are fixedly connected with the smoke outlet guide box and the smoke exhaust cylinder respectively.

[0007] Preferably, a smoke inlet guide box is arranged on one side of the fan cylinder, a cylinder one is fixedly installed between the fan cylinder and the smoke inlet guide box, a smoke inlet guide cylinder is fixedly installed on one side of the smoke inlet guide box, and a dust filter plate one is fixedly installed in the inside of the smoke inlet guide box.

[0008] Preferably, the top box is fixedly installed above the smoke inlet guide box, the inside of the top box is provided with a spraying assembly, the spraying assembly comprises a water distributor and water outlet pipes, the water outlet pipes are provided in plurality, the water outlet pipes are fixedly installed below the water distributor, the lower ends of the water outlet pipes extend into the inside of the smoke inlet guide box, and a plurality of atomizing nozzles are fixedly installed on the two sides of the water outlet pipes respectively and symmetrically.

[0009] Preferably, the water tank is fixedly installed below the smoke inlet guide box, the contact part of the smoke inlet guide box and the water tank is provided with a slot hole, and the inside of the slot hole is provided with a second dust filter plate.

[0010] Preferably, the pump box is fixedly installed above the top box, the inside of the pump box is fixedly installed with a water pump, the front end of the smoke inlet guide box is provided with a water delivery pipe, one end of the water delivery pipe extends into the inside of the pump box and is connected with the input end of the water pump, the other end of the water delivery pipe extends below the water tank and is fixedly connected with the water tank, and the output end of the water pump is fixedly connected with the water distributor through a pipeline.

[0011] Preferably, the inside of the water tank is fixedly installed with a water level sensor, the front end of the water tank is fixedly installed with a water filling head, and the inside of the smoke inlet guide box is fixedly installed with a dehumidifier on one side.

[0012] Preferably, the mounting frame is fixedly installed below the fan cylinder.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] (1) The utility model discloses a directional assembly comprising an electric valve and a smoke exhaust cylinder, so that the smoke can be guided to pass through the smoke exhaust cylinder in different directions and positions according to the need by adjusting the on-off state of different electric valves, thereby solving the problem that the traditional smoke exhaust system is not convenient to adjust flexibly according to the on-site smoke exhaust demand and is not practical enough, and the practicality is improved.

[0015] (2) The utility model discloses a spraying assembly, and the spraying assembly comprises a water distributor and water outlet pipes, so that the water mist can be sprayed into the inside of the smoke inlet guide box through the atomizing nozzles, the temperature of the flue gas can be reduced, the dust and particulate matters in the flue gas can be removed, and the safety of smoke exhaust is improved.

[0016] (3) The utility model discloses a pump box and a water delivery pipe, and the water pump in the pump box can deliver the water in the water tank to the spraying assembly through the water delivery pipe after being started, which is beneficial to the recycling of the water in the water tank and improves the practicality. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic view of the fire-fighting smoke exhaust fan smoke guide structure.

[0018] Figure 2 is a sectional view of the smoke inlet guide box of the utility model;

[0019] Figure 3 is a side view of the spray assembly of the utility model;

[0020] Figure 4 is a structure schematic view of the right view of the smoke outlet guide box of the utility model.

[0021] In the figure: 1, fan barrel; 101, barrel one; 102, barrel two; 2, mounting frame; 3, smoke inlet guide box; 4, smoke inlet guide barrel; 5, water tank; 6, water injection head; 7, water delivery pipe; 8, top box; 9, pump box; 10, dehumidifier; 11, dust filter plate one; 12, spray assembly; 1201, water distributor; 1202, water outlet pipe; 13, dust filter plate two; 14, water level sensor; 15, atomizing nozzle; 16, smoke outlet guide box; 17, directional assembly; 1701, electric valve; 1702, smoke outlet barrel. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0023] Please refer to Figures 1-4 The utility model provides an embodiment: a fire-fighting smoke exhaust fan smoke guide structure, including fan barrel 1, the inside fixed mounting of fan barrel 1 has fan, one side of fan barrel 1 is provided with smoke outlet guide box 16, and the fixed mounting between fan barrel 1 and smoke outlet guide box 16 has barrel two 102, the side, top, bottom, front end and rear end of smoke outlet guide box 16 are provided with directional assembly 17, and directional assembly 17 includes electric valve 1701 and smoke outlet barrel 1702, electric valve 1701 is arranged between smoke outlet guide box 16 and smoke outlet barrel 1702, and the both ends of electric valve 1701 are fixedly connected with smoke outlet guide box 16 and smoke outlet barrel 1702 respectively.

[0024] Through the smoke outlet guide box 16 and the directional assembly 17 configured in multiple directions of the smoke outlet guide box 16, the electric valve 1701 of different directional assembly 17 can guide the smoke exhaust direction flexibly according to the on-site smoke exhaust demand, realizes the directional discharge of smoke, and is favorable for adapting to the smoke exhaust demand of different fire scenes.

[0025] Please refer to Figure 1 and Figure 2, one side of the fan barrel 1 is provided with a smoke guide box 3, a barrel body 101 is fixedly installed between the fan barrel 1 and the smoke guide box 3, a smoke guide barrel 4 is fixedly installed on one side of the smoke guide box 3, and a dust filter plate 11 is fixedly installed in the smoke guide box 3.

[0026] The arrangement of the smoke guide box 3 and the dust filter plate 11 effectively filters impurities and particulate matters in the smoke entering the fan barrel, improves the cleanliness, protects the normal operation of the fan, prolongs the service life of the equipment, and reduces equipment failures and safety hazards caused by excessive impurities in the smoke.

[0027] Please refer to Figure 2 and Figure 3 , the top box 8 is fixedly installed above the smoke guide box 3, the spray assembly 12 is arranged in the top box 8, the spray assembly 12 includes a water distributor 1201 and a plurality of water outlet pipes 1202, the water outlet pipes 1202 are fixedly installed below the water distributor 1201, the lower ends of the water outlet pipes 1202 extend into the smoke guide box 3, and a plurality of atomizing nozzles 15 are fixedly installed on both sides of the water outlet pipes 1202.

[0028] The arrangement of the spray assembly 12 can spray water mist into the smoke guide box 3 through the atomizing nozzles 15, which not only reduces the temperature of the flue gas and reduces the secondary harm of the fire scene, but also removes dust and particulate matters in the flue gas, improves the safety of smoke exhaust, and realizes the dual functions of flue gas cooling and purification.

[0029] Please refer to Figure 2 , the water tank 5 is fixedly installed below the smoke guide box 3, and a slot hole is arranged at the contact position between the smoke guide box 3 and the water tank 5, a dust filter plate 13 is arranged in the slot hole, and the dust filter plate 13 is fixedly connected with the smoke guide box 3.

[0030] The arrangement of the water tank 5 facilitates the provision of stable water source support for the spray assembly 12, ensures the continuous operation of the spray function, and the dust filter plate 13 arranged between the water tank 5 and the smoke guide box 3 can prevent impurities and particulate matters from entering the water tank 5, avoiding the pollution of the water tank 5.

[0031] Please refer to Figure 1 and Figure 2 , the pump box 9 is fixedly installed above the top box 8, a water pump is fixedly installed in the pump box 9, the front end of the smoke guide box 3 is provided with a water delivery pipe 7, one end of the water delivery pipe 7 extends into the interior of the pump box 9 and is connected with the input end of the water pump, the other end of the water delivery pipe 7 extends below the water tank 5 and is fixedly connected with the water tank 5, and the output end of the water pump is fixedly connected with the water distributor 1201 through a pipeline.

[0032] The water in the water tank 5 can be transported to the spray assembly 12 through the water pipe 7 by the water pump inside the pump box 9, the stable operation of the spray function is ensured, the automation of the spray work is improved, the automatic recycling of water resources is realized, and the practicability is improved.

[0033] Please refer to Figure 1 and Figure 2 The inside of the water tank 5 is fixedly provided with a water level sensor 14, and the front end of the water tank 5 is fixedly provided with a water filling head 6.

[0034] The water level sensor 14 can monitor the water level in the water tank in real time, and the dehumidifier 10 installed in the inside of the smoke guiding box 3 can effectively reduce the humidity in the flue gas, so that the practicability is improved.

[0035] Please refer to Figure 1 The mounting bracket 2 is fixedly installed below the fan cylinder 1, and a plurality of bolt holes are arranged in the inside of the mounting bracket 2.

[0036] The mounting bracket 2 with bolt holes is arranged, the mounting and fixing of the fan cylinder are facilitated, and the practicability is improved.

[0037] Working principle: when in use, the smoke at the fire scene is sucked into the smoke guiding box 3 after the fan in the fan cylinder 1 is started, the spray assembly 12 in the top box 8 draws water from the water tank 5 through the water pump, and the water is transported to the atomizing nozzle 15 through the water distributor 1201 and the water outlet pipe 1202, and the water mist is sprayed into the smoke guiding box 3, so that the flue gas temperature is reduced and the flue gas is purified, and the impurities and particulate matters remaining in the smoke are effectively filtered by the dust filter plate one 11, so that the fan is protected from damage, and the water droplets accumulated by the water mist flow into the water tank 5 through the filtration of the dust filter plate two 13, and the smoke is treated and then enters the fan cylinder 1, and according to the on-site demand, the electric valve 1701 in the corresponding directional assembly 17 is opened to guide the smoke exhaust, so that the smoke is guided and discharged, and the practicability is improved.

[0038] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A smoke exhaust fan smoke guide structure for fire fighting, comprising a fan drum (1), characterized in that: The inside of the fan cylinder (1) is fixedly installed with a fan, one side of the fan cylinder (1) is provided with a smoke outlet guide box (16), the fan cylinder (1) and the smoke outlet guide box (16) are fixedly installed with a cylinder two (102), one side, the upper, the lower, the front end and the rear end of the smoke outlet guide box (16) are provided with a directional assembly (17), the directional assembly (17) comprises an electric valve (1701) and a smoke exhaust cylinder (1702), the electric valve (1701) is arranged between the smoke outlet guide box (16) and the smoke exhaust cylinder (1702), and the two ends of the electric valve (1701) are fixedly connected with the smoke outlet guide box (16) and the smoke exhaust cylinder (1702) respectively.

2. The smoke exhaust fan smoke guide structure of claim 1, wherein: One side of the fan cylinder (1) is provided with a smoke inlet guide box (3), the fan cylinder (1) and the smoke inlet guide box (3) are fixedly installed with a cylinder one (101), one side of the smoke inlet guide box (3) is fixedly installed with a smoke inlet guide cylinder (4), and the inside of the smoke inlet guide box (3) is fixedly installed with a dust filter plate one (11).

3. The smoke exhaust fan smoke guide structure of claim 2, wherein: The top of the smoke inlet guide box (3) is fixedly installed with a top box (8), the inside of the top box (8) is provided with a spraying assembly (12), the spraying assembly (12) comprises a water distributor (1201) and a water outlet pipe (1202), a plurality of water outlet pipes (1202) are arranged, the water outlet pipe (1202) is fixedly installed below the water distributor (1201), the lower end of the water outlet pipe (1202) extends into the inside of the smoke inlet guide box (3), and a plurality of atomizing nozzles (15) are fixedly installed on the two sides of the water outlet pipe (1202) in pairs.

4. The smoke exhaust fan smoke guide structure of claim 3, wherein: The lower part of the smoke inlet guide box (3) is fixedly installed with a water tank (5), and a slot hole is arranged at the contact position of the smoke inlet guide box (3) and the water tank (5). The inside of the slot hole is provided with a dust filter plate two (13), and the dust filter plate two (13) is fixedly connected with the smoke inlet guide box (3).

5. A smoke exhaust fan smoke guiding structure for fire fighting according to claim 4, characterized in that: The top of the top box (8) is fixedly installed with a pump box (9), the inside of the pump box (9) is fixedly installed with a water pump, the front end of the smoke inlet guide box (3) is provided with a water delivery pipe (7), one end of the water delivery pipe (7) extends into the inside of the pump box (9) and is connected with the input end of the water pump, the other end of the water delivery pipe (7) extends below the water tank (5) and is fixedly connected with the water tank (5), and the output end of the water pump is fixedly connected with the water distributor (1201) through a pipeline.

6. A smoke exhaust fan smoke guiding structure for a fire according to claim 5, wherein: The inside of the water tank (5) is fixedly installed with a water level sensor (14), the front end of the water tank (5) is fixedly installed with a water filling head (6), and one side of the inside of the smoke inlet guide box (3) is fixedly installed with a dehumidifier (10).

7. The smoke exhaust fan smoke guide structure of claim 6, wherein: The lower part of the fan cylinder (1) is fixedly installed with a mounting bracket (2).

Citation Information

Patent Citations

  • Axial flow type smoke exhaust fan for fire fighting

    CN218493840U