CN219101728U

CN219101728U - Induced draft fan

Info

Publication number: CN219101728U
Application number: CN202223446789.2U
Authority: CN
Inventors: 王保民
Original assignee: Shaanxi Antai Technology Co ltd
Current assignee: Shaanxi Antai Technology Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-05-30
Anticipated expiration: 2032-12-22

Abstract

The utility model relates to the technical field of induced fans and discloses an induced fan, which comprises a box body, wherein a fixed block is arranged at the top of the box body, a motor is arranged on the box body through the fixed block at the top, a rotating shaft is fixedly connected to one side of the motor, a fan cover is fixedly connected to one side of the rotating shaft, which is far away from the motor, an air inlet barrel is arranged on one side, which is far away from the rotating shaft, of the fan cover, a stainless steel pipe is fixedly connected to one side, which is far away from the fan cover, of the air inlet barrel, a dustproof filter screen is movably clamped on the inner side of the stainless steel pipe, handles are fixedly arranged on two sides of one end, which is far away from the stainless steel pipe, a water inlet is formed on one side of the top of the water tank, and a water suction pipe inlet pipe is arranged on one side, which is close to the water inlet, of the top of the water tank.

Description

Induced draft fan

Technical Field

The utility model relates to the technical field of induced draft fans, in particular to an induced draft fan.

Background

With the continuous improvement of the industrial level, a large amount of technological products can be used in production and life, and induced draft fans can be used for most factory boilers, mines, tunnels and the like.

The induced draft fan is a device which generates negative pressure through rotation of the impeller and then extracts air from the system, is generally arranged at the tail end of the boiler and is used for extracting hot flue gas in a hearth, and is generally divided into the induced draft fan and the blower by people according to different positive and negative pressure using modes, and the existing induced draft fan is generally not provided with a certain dustproof mechanism in the using process, so that the induced draft fan can suck floating dust and large-particle suspended matters in the air in a lump in the normal using process, certain damage is generated inside the induced draft fan, and a large amount of dust enters the room, so that the indoor air effect is worse, and the use of people is seriously influenced.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides an induced draft fan to solve the above-mentioned problems in the prior art.

The utility model provides the following technical scheme: the utility model provides a draught fan, includes the box, the fixed block has been placed at the top of box, the motor has been placed through the fixed block at top to the box, one side fixedly connected with pivot of motor, one side fixedly connected with fan housing that the motor was kept away from to the pivot, the fan housing is kept away from one side of pivot and is installed the inlet tube, one side fixedly connected with stainless steel pipe that the fan housing was kept away from to the inlet tube, the inboard movable joint of stainless steel pipe has dustproof filter screen, the equal fixed mounting in one end both sides of stainless steel pipe is kept away from to dustproof filter screen has the handle, the water tank has been placed to the inside of box, the water inlet has been seted up on one side of the top of water tank, the water tank top has been placed the draught tube inlet tube near one side of water inlet, one end fixedly connected with return bend connecting pipe of box is kept away from to the inlet tube, the suction valve has been placed to the connecting pipe inner wall, the one end fixedly connected with retaining tube of inlet tube is kept away from the one end fixedly connected with outlet pipe of connecting tube, the outlet pipe inner wall has been placed the outlet valve, the one end and fan housing fixed connection of retaining tube that the water pipe kept away from the one end of retaining tube, the fan can reach the effect that the fan housing can directly be cooled down to the fan under the effect that the motion of fan can make the fan under the fan rotor and the inner wall that the fan can directly reach the inside of fan cooling effect under the effect of the fan.

Further, an air outlet cylinder is fixedly connected to the bottom end of the fan cover, a pressing groove is formed in one side, close to the water inlet, of the top end of the box body, and the bottom end of the pressing groove is communicated with the water storage pipe.

Furthermore, the lower end of the suction valve is fixedly connected with a suction pipe, and the inner side of the water inlet is movably clamped with a box cover.

Further, the inner side of the pressing groove is clamped with a piston, and the bottom end of the piston is fixedly connected with a spring. The user can wash the wind wheel with water by pressing the piston, and the operation is simple.

Further, the box, pivot, fan housing, air inlet section of thick bamboo, play dryer are integrated into one piece, the box inner wall includes the water tank, the inlet tube has been placed to the inner wall of box above being located the water tank, connecting pipe, retaining pipe, outlet pipe.

Further, a barrel groove is formed in the fixedly connected position of the fan cover and the water outlet pipe, a wind wheel is placed in the fan cover, and the wind wheel in the fan cover is fixedly connected with the rotating shaft.

The utility model has the technical effects and advantages that:

1. according to the utility model, the dust-proof filter screen is additionally arranged on the outer side of the air inlet cylinder of the induced draft fan, so that dust in air is reduced from adhering to the inside of the induced draft fan, and the damage of dust to parts of the induced draft fan is reduced.

2. According to the utility model, the water pump structure is arranged in the box body, so that the effect of simply cleaning the wind wheel and simultaneously cooling the interior of the induced draft fan is achieved.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is an exploded view of the overall structure of the present utility model.

Fig. 3 is a schematic cross-sectional view of the water tank of the present utility model.

Fig. 4 is a schematic partial cross-sectional view of the water tank of the present utility model.

Fig. 5 is a schematic side cross-sectional view of the water tank of the present utility model.

The reference numerals are: 1. a case; 101. a water tank; 102. a water inlet pipe; 103. a connecting pipe; 1031. a suction valve; 104. a water storage pipe; 105. a water outlet pipe; 1051. a water outlet valve; 106. a pressing groove; 1061. a piston; 107. a water inlet; 1071. a case cover; 2. a motor; 3. a rotating shaft; 4. a fan cover; 5. an air inlet cylinder; 501. stainless steel tube; 502. a dust-proof filter screen; 503. a handle; 6. and (5) an air outlet cylinder.

Detailed Description

The embodiments of the present utility model will be described more fully hereinafter with reference to the accompanying drawings, in which the configurations of the embodiments described below are merely illustrative, and an induced draft fan according to the present utility model is not limited to the configurations described below, but all other embodiments obtained by a person skilled in the art without making any inventive effort are within the scope of the present utility model.

Referring to fig. 1-4, the utility model provides an induced draft fan, which comprises a box body 1, the fixed block is placed at the top of the box body 1, the motor 2 is placed at the top of the box body 1 through the fixed block at the top, one side of the motor 2 is fixedly connected with a rotating shaft 3, one side of the rotating shaft 3, which is far away from the motor 2, is fixedly connected with a fan cover 4, one side of the fan cover 4, which is far away from the rotating shaft 3, is provided with an air inlet tube 5, one side of the air inlet tube 5, which is far away from the fan cover 4, is fixedly connected with a stainless steel tube 501, a dustproof filter screen 502 is movably clamped on the inner side of the stainless steel tube 501, handles 503 are fixedly arranged on two sides of one end, which is far away from the stainless steel tube 501, a water tank 101 is placed in the box body 1, a water inlet 107 is formed on one side of the top of the water tank 101, one side, which is close to the water inlet tube 102 is placed on one side, which is far away from the water inlet tube 107, an elbow 103 is fixedly connected with one end of the box body 1, an inner wall 103, an inner wall of the connecting tube 103 is placed with a suction valve 1031, one end of the connecting tube 103 is fixedly connected with a water storage tube 104, one end of the water storage tube 104 far away from the connecting tube 103, an inner wall 105 is fixedly connected with a water outlet tube 105, an inner wall 105, and the inner wall 105 of the inner wall of the water storage tube 104 is placed far away from the fan 2, and a water outlet tube 105 is directly cooled down by the effect of the fan 4 under the effect of the fan, and the effect of cooling effect of the fan, the inner temperature can be cooled down, and the effect of the fan is achieved.

Wherein, the bottom fixedly connected with of fan housing 4 goes out dryer 6, and the top of box 1 has seted up the pressing groove 106 near one side of water inlet 107, presses the bottom of groove 106 and communicates with each other with retaining pipe 104.

The lower end of the suction valve 1031 is fixedly connected with a suction pipe, and the inner side of the water inlet 107 is movably clamped with a box cover 1071.

Wherein, the inner side of the pressing groove 106 is clamped with a piston 1061, and the bottom end of the piston 1061 is fixedly connected with a spring. The user can wash the wind wheel with water by pressing the piston 1061, and the operation is simple.

Wherein, box 1, pivot 3, fan housing 4, air inlet section of thick bamboo 5, play dryer 6 are integrated into one piece, and box 1 inner wall includes water tank 101, and water inlet tube 102, connecting pipe 103, retaining pipe 104, outlet pipe 105 have been placed to the inner wall of box 1 in the top of water tank 101.

Wherein, the fixed connection department of fan housing 4 and outlet pipe 105 has seted up the bucket groove, and the wind wheel has been placed to fan housing 4 inside, and the inside wind wheel of fan housing 4 is fixed connection with pivot 3.

The working principle of the utility model is as follows: before using the induced draft fan, a user confirms that the temperature of the outer wall of the induced draft fan is normal, then aligns the mouth of a stainless steel pipe 501 of an induced draft fan air inlet barrel 5 to the tail end of the cremator, then turns on a switch of the induced draft fan to enable a motor 2 of the induced draft fan to be electrified to run normally, the motor 2 drives a wind wheel in the induced draft fan to rotate through a rotating shaft 3, the wind wheel rotates to enable the interior of the induced draft fan to be in a negative pressure state, at the moment, gas in the cremator enters the interior of the induced draft fan through the stainless steel pipe 501 and the air inlet barrel 5 of the induced draft fan, and is discharged from an air outlet barrel 6 through the rotation of the wind wheel, dust in the cremator is also brought into the induced draft fan when the gas in the cremator enters the induced draft fan, the induced draft fan runs for a long time, dust is arranged on the inner surface and parts of the induced draft fan, the user can clean a dust-proof filter screen 502 of the stainless steel pipe 501 at fixed time, handles 503 at two ends of the dust-proof filter screen 502 are held, the water tank is taken down to be washed, the water tank is clamped at the joint of the stainless steel pipe 501 again after washing, meanwhile, the tank cover 1071 can be opened from the water inlet 107, clean water is injected into the water tank 101 in the tank body 1, then the tank cover 1071 is inserted into the water inlet 107, the tank cover 1071 is ensured to be completely clamped into the water inlet 107, at the moment, the piston 1061 is pressed, a spring at the bottom of the piston 1061 is completely pressed, the bottom end of the piston 1061 enters the water storage pipe 104, the liquid volume in the water tank 101 can be contracted by the downward stroke entered by the piston 1061, water or air enters the connecting pipe 103 through the water suction pipe fixedly connected below the suction valve 1031, at the moment, the piston 1061 is not pressed any more, the pressure at the top of the piston 1061 disappears, the spring at the bottom of the piston 1061 is enabled to rebound the piston 1061 to the original position under the action of elasticity, the upward stroke rebounded by the spring can expand the liquid volume in the water tank 101, the connecting pipe 103 and the water in the water storage pipe 104 are sprayed out through the water outlet pipe 105, and as the through groove is formed in the position where the water outlet pipe 105 is connected with the fan cover 4, the water can be sprayed onto the wind wheel in the fan cover 4 through the water outlet pipe 105, the water sprayed onto the wind wheel can move to the inner wall of the fan cover 4 under the action of centrifugal force, the temperature of the inner wall of the fan cover 4 can enable the water to be directly evaporated, and the effect of simply cleaning the wind wheel and simultaneously cooling the interior of the induced draft fan is achieved.

Finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. An induced draft fan, includes box (1), its characterized in that: the utility model discloses a water storage device, including box (1), motor (2) have been placed at the top of box (1), motor (2) have been placed through the fixed block at top to box (1), one side fixedly connected with pivot (3) of motor (2), one side fixedly connected with fan housing (4) of motor (2) are kept away from to pivot (3), fan housing (4) are kept away from one side of pivot (3) and are installed inlet tube (5), one side fixedly connected with stainless steel pipe (501) of fan housing (4) are kept away from to inlet tube (5), the inboard movable joint of stainless steel pipe (501) has dustproof filter screen (502), one end both sides that stainless steel pipe (501) were kept away from to dustproof filter screen (502) are all fixedly connected with handle (503), water tank (101) have been placed to the inside of box (1), water inlet tube (107) have been seted up on one side of top of water tank (101), one side that water inlet tube (102) are kept away from at water tank (101) top is close to water inlet (107) has been placed inlet tube (102), one end fixedly connected with connecting pipe (103) of box (1) is kept away from to inlet tube (103), one end connecting pipe (103) is kept away from connecting pipe (103), one end of the water storage pipe (104) away from the connecting pipe (103) is fixedly connected with a water outlet pipe (105), a water outlet valve (1051) is arranged on the inner wall of the water outlet pipe (105), and one end of the water outlet pipe (105) away from the water storage pipe (104) is fixedly connected with a fan cover (4).

2. An induced draft fan according to claim 1 wherein: the bottom fixedly connected with of fan housing (4) goes out dryer (6), one side that is close to water inlet (107) on the top of box (1) has seted up presses groove (106), the bottom of pressing groove (106) communicates with each other with retaining pipe (104).

3. An induced draft fan according to claim 1 wherein: the lower end of the suction valve (1031) is fixedly connected with a suction pipe, and the inner side of the water inlet (107) is movably clamped with a box cover (1071).

4. An induced draft fan according to claim 2 wherein: the inner side of the pressing groove (106) is clamped with a piston (1061), and the bottom end of the piston (1061) is fixedly connected with a spring.

5. An induced draft fan according to claim 1 wherein: the novel air conditioner comprises a box body (1), a rotating shaft (3), a fan cover (4), an air inlet cylinder (5) and an air outlet cylinder (6), wherein the inner wall of the box body (1) comprises a water tank (101), a water inlet pipe (102), a connecting pipe (103), a water storage pipe (104) and a water outlet pipe (105) are arranged above the water tank (101) on the inner wall of the box body (1).

6. An induced draft fan according to claim 1 wherein: the fan cover (4) is fixedly connected with the water outlet pipe (105) to form a barrel groove, a wind wheel is arranged in the fan cover (4), and the wind wheel in the fan cover (4) is fixedly connected with the rotating shaft (3).