Fire-fighting smoke exhaust fan with cooling and dedusting functions

Abstract

The utility model discloses a fire-fighting smoke exhaust fan with cooling and dedusting functions, which comprises a shell, a first water tank, a second water tank and a smoke exhaust component, the first water tank is mounted at the bottom of an inner cavity of the shell, the second water tank is mounted at the top of the inner cavity of the shell, and the smoke exhaust component is arranged between the first water tank and the second water tank. The smoke exhaust assembly comprises an air inlet, a cooling mechanism, a first cold and heat exchange pipe, a second cold and heat exchange pipe, a first water pump, a second water pump, a watering plate, a third water pump, an air draft mechanism, a supporting rod, a driving motor, fan blades, an air outlet, a water inlet, a protection cover and a water outlet. According to the fire-fighting smoke exhaust fan with the cooling and dust removing functions, exhausted smoke is cooled through the cooling mechanism in the smoke exhaust assembly, the smoke can be cooled, the situation that the working environment temperature of a driving motor is too high due to the effect of high-temperature smoke of an air draft mechanism is avoided, particles in the high-temperature smoke are removed, and the service life of the driving motor is prolonged. The inner wall of the pipeline is prevented from being blackened by high-temperature smoke.

Description

Technical Field

[0001] The utility model relates to the technical field of fire smoke exhaust fans, in particular to a fire smoke exhaust fan with cooling and dust removal functions. Background Art

[0002] Fire smoke exhaust fans are generally used in high-rise buildings, underground buildings, tunnels, drying rooms and other places for ventilation or high-temperature smoke exhaust. Different models are designed to meet different ventilation and smoke exhaust needs. Centrifugal fans and axial flow fans are usually used. They can also quickly exhaust the odor, high temperature, and oil smoke generated during food processing in the kitchen.

[0003] For example, application number CN202022931109.0 discloses a smoke exhaust fan for fire smoke exhaust, which is convenient for disassembly and assembly of the smoke exhaust fan by arranging main and auxiliary fixed plates at the bottom of the main and auxiliary circular rings, and arranging cross bars between the main and auxiliary fixed plates for connection and fixation; however, when using the smoke exhaust fan, since the smoke exhaust fan often works in a high temperature environment, it is necessary to cool the smoke absorbed by the smoke exhaust fan, and the high temperature environment can easily cause the pipe to turn black, and thus the pipe needs to be cleaned frequently.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a fire smoke exhaust fan with cooling and dust removal functions is proposed to achieve a more practical purpose. Utility Model Content

[0005] The utility model aims to provide a fire smoke exhaust fan with cooling and dust removal functions to solve the problems of cooling the smoke and preventing the pipe from blackening proposed in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fire smoke exhaust fan with cooling and dust removal function, comprising a shell, a first water tank, a second water tank and a smoke exhaust component, wherein the first water tank is installed at the bottom of the inner cavity of the shell, the second water tank is installed at the top of the inner cavity of the shell, a smoke exhaust component is arranged between the first water tank and the second water tank, the smoke exhaust component comprises an air inlet and a cooling mechanism, the air inlet is installed on the side end surface of the shell, and a cooling mechanism is arranged on one side of the air inlet, the cooling mechanism comprises a first cold and heat exchange pipe and a second cold and heat exchange pipe. Exchange tube, and two groups of second cold and heat exchange tubes are arranged, the first cold and heat exchange tube is installed on one side of the air inlet, and one end of the first cold and heat exchange tube is connected to the first water pump, the end of the first cold and heat exchange tube away from the first water pump is connected to the first water tank, one end of the second cold and heat exchange tube is connected to the second water pump, and the end of the second cold and heat exchange tube away from the second water pump is connected to the first water tank, a sprinkler plate is arranged on the bottom end surface of the second water tank, and the sprinkler plate is connected to the third water pump, and the third water pump is connected to the second water tank.

[0007] Furthermore, an exhaust mechanism is arranged between the two groups of the second heat exchange tubes, and the exhaust mechanism includes a support rod and a drive motor, the support rod is installed between the two groups of the second heat exchange tubes, and there are two groups of support rods, and the support rods are arranged crosswise, a drive motor is installed at the intersection of the two groups of support rods, fan blades are arranged at the output shaft of the output end of the drive motor, and an air outlet is installed on the side of the shell away from the air inlet.

[0008] Furthermore, the input end of the first water pump forms a connecting structure with the first water tank through a water pipe, the output end of the first water pump forms a connecting structure with the first heat exchange tube through a water pipe, the input end of the second water pump forms a connecting structure with the first water tank through a water pipe, the output end of the second water pump forms a connecting structure with the second heat exchange tube through a water pipe, the input end of the third water pump forms a connecting structure with the second water tank through a water pipe, and the output end of the third water pump forms a connecting structure with the sprinkler plate through a water pipe.

[0009] Furthermore, a water inlet is provided on the upper end surface of the second water tank, and the water inlet forms a connecting structure with the second water tank. The first heat exchange tube, the second heat exchange tube, the sprinkler plate and the exhaust mechanism are wrapped by a protective cover, and a water outlet is provided at the bottom of the protective cover.

[0010] Furthermore, the first heat exchange tube and the second heat exchange tube are both made of copper tubes, and outer surfaces of the first heat exchange tube and the second heat exchange tube are both provided with heat conducting plates, and the heat conducting plates are arc-shaped.

[0011] Furthermore, the inner cavity of the watering plate is a hollow structure, and the watering plate is provided with a plurality of spraying ports, and the spraying ports are all fixedly connected to the watering plate, and the third water pump forms a communication structure with the spraying ports through the watering plate.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the fire smoke exhaust fan with cooling and dust removal function cools down the exhaust smoke through the cooling mechanism in the smoke exhaust component, which can not only cool down the smoke, prevent the high-temperature smoke from damaging the exhaust mechanism, and avoid the exhaust mechanism causing the working environment temperature of the driving motor to be too high due to the action of the high-temperature smoke, thus affecting the service life of the driving motor, but also remove the particles in the high-temperature smoke, and prevent the high-temperature smoke from staining the inner wall of the pipe black;

[0013] In the fire smoke exhaust fan with cooling and dust removal function, the input end of the first water pump forms a communication structure with the first water tank through a water pipe, and the output end of the first water pump forms a communication structure with the first cold and heat exchange pipe through a water pipe, so that the first water pump injects water in the first water tank into the first cold and heat exchange pipe, and the water flow finally flows into the inner cavity of the first water tank, so that the first water pump, the first water tank and the first cold and heat exchange pipe form a circulation loop, the input end of the second water pump forms a communication structure with the first water tank through a water pipe, and the output end of the second water pump forms a communication structure with the second cold and heat exchange pipe through a water pipe, so that The second water pump is used to pump the water in the first water tank into the second cold and heat exchange tube, and the water flow finally flows into the inner cavity of the first water tank, so that the second water pump, the first water tank and the second cold and heat exchange tube form a circulation loop, the input end of the third water pump forms a communication structure with the second water tank through the water pipe, and the output end of the third water pump forms a communication structure with the sprinkler plate through the water pipe, wherein the third water pump discharges the water flow in the second water tank from the sprinkler plate, and then sprays water mist through the sprinkler plate to cool the high-temperature flue gas, and finally cools the flue gas through the first cold and heat exchange tube, the second cold and heat exchange tube and the sprinkler plate;

[0014] The first and second heat exchange tubes in the fire smoke exhaust fan with cooling and dust removal functions are externally installed with heat conduction plates. Since the heat conduction plates are arc-shaped, the area between the heat conduction plates and the smoke is increased, so that the smoke and the first and second heat exchange tubes can exchange heat, so that the smoke can be cooled. In the process of cooling the high-temperature smoke by spraying water mist through the sprinkler plate, the second water tank is replenished with water through the water inlet, and the water mist sprayed by the sprinkler plate finally flows out of the water outlet. The fan blades are driven to rotate by the driving motor in the exhaust mechanism, so that the smoke is sucked in through the air inlet and finally discharged from the air outlet, thereby completing the complete smoke exhaust process. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the front view structure of a fire smoke exhaust fan with cooling and dust removal functions of the utility model;

[0016] Figure 2 This is a side structural schematic diagram of a fire smoke exhaust fan exhaust mechanism with cooling and dust removal functions of the utility model;

[0017] Figure 3 This is a schematic diagram of the top view of the first heat exchange tube of a fire smoke exhaust fan with cooling and dust removal functions according to the utility model;

[0018] Figure 4 This is a front view structural schematic diagram of the second cold and heat exchange tube of a fire smoke exhaust fan with cooling and dust removal functions according to the utility model.

[0019] In the figure: 1. shell; 2. first water tank; 3. second water tank; 4. smoke exhaust assembly; 401. air inlet; 402. cooling mechanism; 403. first cold and heat exchange tube; 404. second cold and heat exchange tube; 405. first water pump; 406. second water pump; 407. sprinkler plate; 408. third water pump; 409. exhaust mechanism; 4010. support rod; 4011. drive motor; 4012. fan blade; 4013. air outlet; 4014. water inlet; 4015. protective cover; 4016. water outlet; 5. heat conduction plate. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figures 1 to 4 The utility model provides a technical solution: a fire smoke exhaust fan with cooling and dust removal function, comprising a shell 1, a first water tank 2, a second water tank 3 and a smoke exhaust component 4, the first water tank 2 is installed at the bottom of the inner cavity of the shell 1, the second water tank 3 is installed on the top of the inner cavity of the shell 1, the smoke exhaust component 4 is arranged between the first water tank 2 and the second water tank 3, the smoke exhaust component 4 comprises an air inlet 401 and a cooling mechanism 402, the air inlet 401 is installed on the side end surface of the shell 1, and a cooling mechanism 402 is arranged on one side of the air inlet 401, the cooling mechanism 402 comprises a first cold and heat exchange pipe 403 and a second cold and heat exchange pipe 404, and the second cold and heat exchange pipe 404 is provided with a first cold and heat exchange pipe 403 and a second cold and heat exchange pipe 404. Two groups of heat exchange tubes 404 are provided, a first heat exchange tube 403 is installed on one side of the air inlet 401, and one end of the first heat exchange tube 403 is connected to the first water pump 405, and one end of the first heat exchange tube 403 away from the first water pump 405 is connected to the first water tank 2, one end of the second heat exchange tube 404 is connected to the second water pump 406, and one end of the second heat exchange tube 404 away from the second water pump 406 is connected to the first water tank 2, a sprinkler plate 407 is provided on the bottom end surface of the second water tank 3, and the sprinkler plate 407 is connected to the third water pump 408, and the third water pump 408 is connected to the second water tank 3;

[0022] An exhaust mechanism 409 is provided between the two groups of second cold and heat exchange tubes 404, and the exhaust mechanism 409 includes a support rod 4010 and a drive motor 4011. The support rod 4010 is installed between the two groups of second cold and heat exchange tubes 404, and two groups of support rods 4010 are provided, and the support rods 4010 are arranged crosswise, and the drive motor 4011 is installed at the intersection of the two groups of support rods 4010. The output shaft of the output end of the drive motor 4011 is provided with a fan blade 4012. The air outlet 401 is installed on the side of the shell 1 away from the air inlet 401 3. The input end of the first water pump 405 is connected to the first water tank 2 through a water pipe, the output end of the first water pump 405 is connected to the first cold and heat exchange pipe 403 through a water pipe, the input end of the second water pump 406 is connected to the first water tank 2 through a water pipe, the output end of the second water pump 406 is connected to the second cold and heat exchange pipe 404 through a water pipe, the input end of the third water pump 408 is connected to the second water tank 3 through a water pipe, and the output end of the third water pump 408 is connected to the sprinkler plate 407 through a water pipe;

[0023] The input end of the first water pump 405 is connected to the first water tank 2 through a water pipe, and the output end of the first water pump 405 is connected to the first cold and heat exchange tube 403 through a water pipe, so that the first water pump 405 can infuse the water in the first water tank 2 into the first cold and heat exchange tube 403, and the water flow finally flows into the inner cavity of the first water tank 2, so that the first water pump 405, the first water tank 2 and the first cold and heat exchange tube 403 form a circulation loop, the input end of the second water pump 406 is connected to the first water tank 2 through a water pipe, and the output end of the second water pump 406 is connected to the second cold and heat exchange tube 404 through a water pipe, so that the second water pump 406 can infuse the water in the first water tank 2 into the first cold and heat exchange tube 403, and the water flow finally flows into the inner cavity of the first water tank 2, so that the first water pump 405, the first water tank 2 and the first cold and heat exchange tube 403 form a circulation loop, and the input end of the second water pump 406 is connected to the first water tank 2 through a water pipe, and the output end of the second water pump 406 is connected to the second cold and heat exchange tube 404 through a water pipe, so that the second water pump 406 can infuse the water in the first water tank 2 into the first cold and heat exchange tube 403. The water in the first water tank 2 is poured into the second cold and heat exchange tube 404, and the water flow finally flows into the inner cavity of the first water tank 2, so that the second water pump 406, the first water tank 2 and the second cold and heat exchange tube 404 form a circulation loop, the input end of the third water pump 408 forms a communication structure with the second water tank 3 through a water pipe, and the output end of the third water pump 408 forms a communication structure with the sprinkler plate 407 through a water pipe, wherein the third water pump 408 discharges the water flow in the second water tank 3 from the sprinkler plate 407, and then uses the sprinkler plate 407 to spray water mist to cool the high-temperature flue gas, and then cools the flue gas through the first cold and heat exchange tube 403, the second cold and heat exchange tube 404 and the sprinkler plate 407;

[0024] The upper end surface of the second water tank 3 is provided with a water inlet 4014, and the water inlet 4014 and the second water tank 3 form a communication structure, the first cold and heat exchange tube 403, the second cold and heat exchange tube 404, the sprinkler plate 407 and the exhaust mechanism 409 are wrapped by a protective cover 4015, and the bottom of the protective cover 4015 is provided with a water outlet 4016, the first cold and heat exchange tube 403 and the second cold and heat exchange tube 404 are both composed of copper tubes, and the outer surfaces of the first cold and heat exchange tube 403 and the second cold and heat exchange tube 404 are both provided with a heat conducting plate 5, and the heat conducting plate 5 is arc-shaped, the inner cavity of the sprinkler plate 407 is a cavity structure, and the sprinkler plate 407 is provided with a plurality of groups of spraying ports, and the spraying ports are fixedly connected to the sprinkler plate 407, and the third water pump 408 forms a communication structure with the spraying ports through the sprinkler plate 407;

[0025] The first heat exchange tube 403 and the second heat exchange tube 404 are externally installed with a heat conduction plate 5. Since the heat conduction plate 5 is arc-shaped, the area between the heat conduction plate 5 and the flue gas is increased, so that the flue gas and the first heat exchange tube 403 and the second heat exchange tube 404 can exchange heat, thereby cooling the flue gas. In the process of cooling the high-temperature flue gas by spraying water mist with the sprinkler plate 407, the second water tank 3 is replenished with water through the water inlet 4014, and the water mist sprayed by the sprinkler plate 407 finally flows out of the water outlet 4016. The driving motor 4011 in the exhaust mechanism 409 is used to drive the fan blades 4012 to rotate, so that the smoke is sucked in through the air inlet 401, and finally discharged from the air outlet 4013, thereby completing the complete smoke exhaust process.

[0026] Working principle: When a fire smoke exhaust fan with cooling and dust removal function is used, the input end of the first water pump 405 forms a communication structure with the first water tank 2 through a water pipe, and the output end of the first water pump 405 forms a communication structure with the first cold and heat exchange pipe 403 through a water pipe, so that the first water pump 405, the first water tank 2 and the first cold and heat exchange pipe 403 form a circulation loop, the input end of the second water pump 406 forms a communication structure with the first water tank 2 through a water pipe, and the output end of the second water pump 406 forms a communication structure with the second cold and heat exchange pipe 404 through a water pipe, wherein the second water pump 406, the first water tank 2 and the second cold and heat exchange pipe 404 form a circulation loop, wherein the third water pump 408 discharges the water flow in the second water tank 3 from the sprinkler plate 407, and then sprays water mist through the sprinkler plate 407 to cool the high-temperature smoke, and then uses the third water pump 408 to discharge the water flow in the second water tank 3 from the sprinkler plate 407 to cool the high-temperature smoke. A cold and heat exchange tube 403, a second cold and heat exchange tube 404 and a sprinkler plate 407 are used to cool down the flue gas. A heat conducting plate 5 is installed outside the first cold and heat exchange tube 403 and the second cold and heat exchange tube 404. Since the heat conducting plate 5 is arc-shaped, the area between the heat conducting plate 5 and the flue gas is increased, so that the flue gas and the first cold and heat exchange tube 403 and the second cold and heat exchange tube 404 can exchange heat. In the process of cooling the high-temperature flue gas by spraying water mist from the sprinkler plate 407, the second water tank 3 is replenished with water through the water inlet 4014, and the water mist sprayed from the sprinkler plate 407 finally flows out of the water outlet 4016. The driving motor 4011 in the exhaust mechanism 409 is used to drive the fan blades 4012 to rotate, so that the flue gas is sucked in through the air inlet 401 and finally discharged from the air outlet 4013, thereby completing the complete smoke exhaust process.

[0027] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present invention.

[0028] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A fire smoke exhaust fan with cooling and dust removal functions, comprising a housing (1), a first water tank (2), a second water tank (3) and a smoke exhaust component (4), characterized in that: The first water tank (2) is installed at the bottom of the inner cavity of the shell (1), and the second water tank (3) is installed at the top of the inner cavity of the shell (1). A smoke exhaust component (4) is arranged between the first water tank (2) and the second water tank (3), and the smoke exhaust component (4) comprises an air inlet (401) and a cooling mechanism (402). The air inlet (401) is installed at the side end surface of the shell (1), and a cooling mechanism (402) is arranged on one side of the air inlet (401). The cooling mechanism (402) comprises a first cold-heat exchange tube (403) and a second cold-heat exchange tube (404), and the second cold-heat exchange tube (404) is provided with two groups. The first cold-heat exchange tube (403) is installed at the side end surface of the shell (1). One side of the air inlet (401), and one end of the first cold and heat exchange tube (403) is connected to the first water pump (405), one end of the first cold and heat exchange tube (403) away from the first water pump (405) is connected to the first water tank (2), one end of the second cold and heat exchange tube (404) is connected to the second water pump (406), and one end of the second cold and heat exchange tube (404) away from the second water pump (406) is connected to the first water tank (2), a sprinkler plate (407) is provided on the bottom end surface of the second water tank (3), and the sprinkler plate (407) is connected to the third water pump (408), and the third water pump (408) is connected to the second water tank (3).

2. The fire smoke exhaust fan with cooling and dust removal function according to claim 1 is characterized in that: An exhaust mechanism (409) is provided between the two groups of the second heat exchange tubes (404), and the exhaust mechanism (409) comprises a support rod (4010) and a drive motor (4011); the support rod (4010) is installed between the two groups of the second heat exchange tubes (404), and two groups of support rods (4010) are provided, and the support rods (4010) are arranged in a cross-shaped manner; a drive motor (4011) is installed at the intersection of the two groups of support rods (4010), and a fan blade (4012) is provided at the output shaft of the output end of the drive motor (4011); and an air outlet (4013) is installed on the side of the shell (1) away from the air inlet (401).

3. The fire smoke exhaust fan with cooling and dust removal function according to claim 2 is characterized in that: The input end of the first water pump (405) forms a communication structure with the first water tank (2) through a water pipe, the output end of the first water pump (405) forms a communication structure with the first cold and heat exchange tube (403) through a water pipe, the input end of the second water pump (406) forms a communication structure with the first water tank (2) through a water pipe, the output end of the second water pump (406) forms a communication structure with the second cold and heat exchange tube (404) through a water pipe, the input end of the third water pump (408) forms a communication structure with the second water tank (3) through a water pipe, and the output end of the third water pump (408) forms a communication structure with the sprinkler plate (407) through a water pipe.

4. The fire smoke exhaust fan with cooling and dust removal function according to claim 3 is characterized in that: The upper end surface of the second water tank (3) is provided with a water inlet (4014), and the water inlet (4014) and the second water tank (3) form a communication structure; the first cold and heat exchange tube (403), the second cold and heat exchange tube (404), the sprinkler plate (407) and the exhaust mechanism (409) are wrapped by a protective cover (4015); and a water outlet (4016) is provided at the bottom of the protective cover (4015).

5. The fire smoke exhaust fan with cooling and dust removal function according to claim 4 is characterized in that: The first heat exchange tube (403) and the second heat exchange tube (404) are both made of copper tubes, and the outer surfaces of the first heat exchange tube (403) and the second heat exchange tube (404) are both provided with heat conduction plates (5), and the heat conduction plates (5) are arc-shaped.

6. The fire smoke exhaust fan with cooling and dust removal function according to claim 5 is characterized in that: The inner cavity of the water sprinkling plate (407) is a hollow structure, and the water sprinkling plate (407) is provided with a plurality of groups of spraying ports, and the spraying ports are all fixedly connected to the water sprinkling plate (407), and the third water pump (408) forms a communication structure with the spraying ports through the water sprinkling plate (407).

Images