CN217842134U - Explosion-proof axial fan - Google Patents

Abstract

The utility model discloses an explosion-proof axial flow fan, which comprises a circular tube, a water tank and a refrigeration device. The two ends of the circular tube are respectively provided with an air inlet and an air outlet, and the bottom end of the outer edge of the circular tube is installed There is a water tank, the upper end of the water tank is provided with a long pipe, one end of the long pipe runs through the top of the water tank and extends into the inner bottom of the water tank, a refrigeration device is installed inside the circular pipe, and the other end of the long pipe One end communicates with the refrigeration device, the bottom end of the refrigeration device communicates with the inside of the water tank, the refrigeration device includes a refrigeration pipe, the top of the refrigeration pipe is configured with a water inlet pipe, and the end of the refrigeration pipe far away from the water inlet pipe is configured with an outlet The water pipe and the bottom end of the outlet pipe run through the round pipe and the water tank continuously and extend into the upper end of the water tank. The explosion-proof axial flow fan can reduce the temperature of the fan when it is working, avoid igniting flammable and explosive gases, and can be installed after installation. Keep it horizontal to reduce the noise it makes while working.

Description

An explosion-proof axial flow fan

technical field

The utility model belongs to the technical field of axial flow fans, in particular to an explosion-proof axial flow fan.

Background technique

Axial flow fans have a wide range of uses, that is, the airflow in the same direction as the axis of the fan blades, such as electric fans and air conditioner external fans are axial flow fans. It is called "axial flow" because the gas flows parallel to the shaft of the fan. Axial flow fans are usually used in occasions with high flow requirements and low pressure requirements. Axial fans hold the position and move the air. The axial flow fan is mainly composed of the fan impeller and the casing. The structure is simple but the data requirements are very high.

Explosion-proof axial flow fans can be used to convey explosive, volatile, and corrosive gases. They are widely used in general factories, warehouses, offices, and residential buildings for ventilation or strong heating and cooling. They can also have long exhaust pipes. Install in series at intervals to increase the pressure in the pipeline, and remove the motor to make a free fan.

In the existing explosion-proof axial flow fan, the motor will generate heat when it is working, and it is easy to ignite flammable and explosive gases.

Utility model content

The purpose of this utility model is to provide an explosion-proof axial flow fan to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: an explosion-proof axial flow fan, including a circular tube, a water tank and a refrigeration device, the two ends of the circular tube are respectively provided with an air inlet and an air outlet, and the circular tube A water tank is installed at the bottom of the outer edge of the pipe, and a long tube is arranged on the upper end of the water tank. One end of the long tube runs through the top of the water tank and extends into the inner bottom of the water tank. device, the other end of the long pipe communicates with the refrigeration device, and the bottom end of the refrigeration device communicates with the inside of the water tank.

Preferably, the refrigerating device includes a refrigerating pipe, the top of the refrigerating pipe is configured with a water inlet pipe, and the end of the refrigerating pipe far away from the water inlet pipe is configured with a water outlet pipe, and the bottom end of the outlet pipe continuously runs through the round pipe and the water tank and Extending into the inner upper end of the tank.

Preferably, a long plate is arranged below the water tank, four threaded rods are symmetrically arranged on the upper end of the long plate, and connecting pipes are spirally connected to the top ends of the four threaded rods, and the top ends of the connecting pipes are connected to the The lower end surface of the water tank is fixedly connected, and the bottom end of the connecting pipe is rotatably connected with a turntable, and the turntable is helically connected with the threaded rod.

Preferably, the upper end of the water tank is provided with a water pump that is connected to the long pipe and allows the long pipe to pump the liquid inside the water tank, and the side of the upper end of the water tank where the water pump is installed is provided with a level.

Preferably, the air inlet and the air outlet at both ends of the round pipe are configured with flanges, and the flanges are provided with a plurality of threaded holes for easy installation.

Preferably, a round frame is installed on the side of the circular tube close to the air outlet, a motor is installed on the side of the round frame away from the air outlet, and a fan is installed on the side of the motor near the air outlet.

The technical effects and advantages of the utility model: the explosion-proof axial flow fan reduces the temperature of the air entering the air inlet through the refrigeration device installed inside the round tube and the motor installed inside the round tube, so that the temperature of the motor drops , to avoid ignition of flammable and explosive gases.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the sectional view of A-A place in Fig. 1 of the utility model;

Fig. 3 is the enlarged schematic view of the structure at B place in Fig. 1 of the utility model;

Fig. 4 is a structural schematic diagram of the refrigeration device of the present invention.

In the figure: 1, round pipe; 101, flange plate; 102, air inlet; 103, air outlet; 2, water tank; 201, long pipe; 202, water pump; 203, spirit level; 3, refrigeration device; 301, refrigeration 302, water inlet pipe; 303, water outlet pipe; 4, long board; 401, threaded rod; 402, connecting pipe; 403, turntable; 5, round frame; 501, motor; 502, fan.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

As shown in Figure 1, Figure 2, and Figure 4, in order to reduce the temperature of the blower during operation and prevent the ignition of flammable and explosive gases, the two ends of the round pipe 1 are respectively provided with an air inlet 102 and an air outlet 103, and the round pipe 1 A water tank 2 is installed at the bottom of the outer edge of the water tank 2, and a long pipe 201 is arranged on the upper end of the water tank 2. One end of the long pipe 201 runs through the top of the water tank 2 and extends into the inner bottom of the water tank 2. The inside of the round pipe 1 is equipped with a cooling Device 3, the other end of the long pipe 201 communicates with the refrigeration device 3, the bottom end of the refrigeration device 3 communicates with the inside of the water tank 2, and the refrigeration device 3 includes a refrigeration pipe 301. During specific implementation, the refrigeration pipe 301 can be made of glass, but not limited to this. The top of the cooling pipe 301 is configured with a water inlet pipe 302, and the end of the cooling pipe 301 away from the water inlet pipe 302 is configured with an outlet pipe 303, and the bottom end of the outlet pipe 303 runs through the round pipe 1 and the water tank 2 continuously and extends into the inner upper end of the water tank 2. 2 is provided with a water pump 202 that is connected to the long pipe 201 and allows the long pipe 201 to extract the liquid inside the water tank 2, and a level 203 is provided on the side where the water pump 202 is installed on the upper end surface of the water tank 2. The air inlet 102 and the air outlet 103 are all configured with a flange 101, and the flange 101 is provided with a plurality of threaded holes for easy installation. A round frame 5 is installed on the side of the round pipe 1 near the air outlet 103, and the round frame 5 A motor 501 is installed on the side away from the air outlet 103, and a fan 502 is installed on the side of the motor 501 close to the air outlet 103, which can reduce the temperature of the fan when the axial flow fan is working;

As shown in Figure 1 and Figure 3, in order to make the axial flow fan horizontal after installation, a long plate 4 is arranged below the water tank 2, and four threaded rods 401 are symmetrically arranged on the upper end surface of the long plate 4, and four threaded rods 401 The top of the connecting pipe 402 is spirally connected with a connecting pipe 402, and the top of the connecting pipe 402 is fixedly connected with the lower end surface of the water tank 2, and the bottom end of the connecting pipe 402 is rotatably connected with a turntable 403. Realized, the turntable 403 is spirally connected with the threaded rod 401, so that the whole device can be in a horizontal state after the axial flow fan is installed.

Working principle: When the explosion-proof axial flow fan is used, after it is installed, observe the level 203 and then adjust the four turntables 403 to make the whole device level, and then turn on the water pump 202 to draw out the water in the water tank 2 through the long pipe 201. The liquid enters the refrigeration pipe 301 through the water inlet pipe 302, and then is discharged into the water tank 2 through the water outlet pipe 303 to complete recycling. Turn on the motor 501 to drive the fan 502 to suck the gas through the air inlet 102 and discharge it through the air outlet 103. After the gas enters the circular tube 1, the temperature is lowered by the cooling tube 301, and the cooled gas is blown on the motor 501 to cool down the motor 501.

Finally, it should be noted that: the above is only a preferred embodiment of the utility model, and is not intended to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art , it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model, All should be included within the protection scope of the present utility model.

Claims (6)

1. The utility model provides an explosion-proof axial fan, includes pipe (1), water tank (2) and refrigerating plant (3), its characterized in that: air inlet (102) and gas outlet (103) have been seted up respectively to the both ends of pipe (1), just water tank (2) are installed to the outer fringe face bottom of pipe (1), the up end of water tank (2) is provided with long tube (201), the inside bottom of water tank (2) is run through and extend into on the top of water tank (2) to the one end of long tube (201), the internally mounted of pipe (1) has refrigerating plant (3), the other end and refrigerating plant (3) intercommunication of long tube (201), the bottom of refrigerating plant (3) and the inside intercommunication of water tank (2).

2. The explosion-proof axial flow fan according to claim 1, characterized in that: refrigerating plant (3) are including refrigeration pipe (301), the top of refrigeration pipe (301) is constructed and is had inlet tube (302), the one end that inlet tube (302) were kept away from in refrigeration pipe (301) is constructed and is had outlet pipe (303), the bottom of outlet pipe (303) runs through pipe (1) and water tank (2) in succession and extends into the inside upper end of water tank (2).

3. The explosion-proof axial flow fan according to claim 1, characterized in that: the below of water tank (2) is provided with long board (4), the up end symmetry of long board (4) is provided with four threaded rods (401), four the top screwed connection of threaded rod (401) has connecting pipe (402), the top of connecting pipe (402) and the lower terminal surface fixed connection of water tank (2), just the bottom swivelling joint of connecting pipe (402) has carousel (403), carousel (403) and threaded rod (401) screwed connection.

4. An explosion-proof axial flow fan according to claim 1, characterized in that: the water tank is characterized in that a water pump (202) which is connected with the long pipe (201) and enables the long pipe (201) to pump liquid in the water tank (2) is arranged on the upper end face of the water tank (2), and a level gauge (203) is arranged on one side, provided with the water pump (202), of the upper end face of the water tank (2).

5. An explosion-proof axial flow fan according to claim 1, characterized in that: the air inlet (102) and the air outlet (103) which are arranged at the two ends of the round pipe (1) are both provided with flange plates (101), and the flange plates (101) are provided with a plurality of threaded holes which are convenient to install.

6. An explosion-proof axial flow fan according to claim 1, characterized in that: circle frame (5) are installed to inside one side that is close to gas outlet (103) of pipe (1), motor (501) are installed to one side that gas outlet (103) were kept away from in circle frame (5), fan (502) are installed to one side that motor (501) are close to gas outlet (103).

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