CN219472417U

CN219472417U - Spiral-flow type updraft ventilator

Info

Publication number: CN219472417U
Application number: CN202320794083.0U
Authority: CN
Inventors: 甘雨; 吴光军; 叶平; 朱琴
Original assignee: SHANSHUILE SHENZHEN ENVIRONMENTAL TECHNOLOGIES CO LTD
Current assignee: SHANSHUILE SHENZHEN ENVIRONMENTAL TECHNOLOGIES CO LTD
Priority date: 2023-04-01
Filing date: 2023-04-01
Publication date: 2023-08-04
Anticipated expiration: 2033-04-01

Abstract

The application belongs to the technical field of exhaust fans, and discloses a rotational flow type exhaust device which comprises a suction hood, a rotational flow hood, a fan and an output air pipe, wherein the rotational flow hood is vertically arranged on the suction hood, and the fan is arranged on the output air pipe; the air suction cover is provided with an inclined side plate, the inclined side plate and the air suction cover are enclosed to form a containing chamber for containing gas, the inclined side plate is provided with an air inlet hole for the gas to enter and an air pipe orifice, and a connecting air pipe communicated with the air pipe orifice is sleeved in the cyclone cover; one end of the output air pipe is communicated with the accommodating cavity, and the other end of the output air pipe is communicated with the cyclone cover. This application has the work efficiency who improves the convulsions, reduces power consumption's effect simultaneously.

Description

Spiral-flow type updraft ventilator

Technical Field

The application belongs to the technical field of exhaust fans and relates to rotational flow type exhaust equipment.

Background

Suction fans, also called side-stream blowers, centrifugal blowers, small blowers, are a common source of air for both blowing and suction, typically for mechanical equipment. Some production workshops and some larger production facilities typically require air extraction and ventilation, which can be used for the extraction equipment. The traditional air draft device is connected to a motor through an air pipe, and gas in a workshop is taken away through rotation of the motor.

Aiming at the related technical means, the air draft device has the defects of low working efficiency and high power consumption.

Disclosure of Invention

In order to improve the defects of low working efficiency and high power consumption of the existing exhaust device, the application provides spiral-flow type exhaust equipment.

The application provides a spiral-flow type updraft ventilator adopts following technical scheme:

the cyclone type air draft device comprises an air draft cover, a cyclone cover, a fan and an output air pipe, wherein the cyclone cover is vertically arranged on the air draft cover, and the fan is arranged on the output air pipe; the air suction cover is provided with an inclined side plate, the inclined side plate and the air suction cover are enclosed to form a containing chamber for containing gas, the inclined side plate is provided with an air inlet hole for the gas to enter and an air pipe orifice, and a connecting air pipe communicated with the air pipe orifice is sleeved in the cyclone cover; one end of the output air pipe is communicated with the accommodating cavity, and the other end of the output air pipe is communicated with the connecting air pipe through the cyclone cover.

Through adopting above-mentioned technical scheme, during operation, the fan starts, utilizes the wind-force that the fan produced, and the direction of gas flow direction cover that induced drafts gets into through the fresh air inlet in holding the chamber, draws gas to output tuber pipe under the effect of fan, and gas forms the whirl and upwards discharges in entering the whirl cover through output tuber pipe, and the negative pressure that forms in the middle of the whirl cover provides suction for the interior wind pipe of whirl cover, drives the gas in the connection tuber pipe and draws, thereby further extract gas through the tuber pipe mouth, thereby improve the work efficiency of convulsions, reduce power consumption simultaneously.

Optionally, a butt joint cover is arranged between the output air pipe and the cyclone cover, one end of the butt joint cover is communicated with the output air pipe, and the other end of the butt joint cover is communicated with the cyclone cover; the butt joint cover is fixedly connected with one side of the rotational flow cover in a tangential direction.

Through adopting above-mentioned technical scheme, in the gaseous entering whirl cover with tangential direction in the butt joint cover, the air current rises along the inner wall spiral of whirl cover to strengthened the suction that provides for connecting the tuber pipe, strengthened the velocity of flow of the interior air of whirl cover, make more gaseous can get into in connecting the tuber pipe from the tuber pipe mouth, strengthened the effect of convulsions.

Optionally, the cross section of the butt joint cover, which is perpendicular to the horizontal plane, from the end close to the cyclone cover to the end close to the output air pipe is gradually increased after gradually decreasing.

Through adopting above-mentioned technical scheme, the air current gets into the whirl cover from the output tuber pipe through the butt joint cover in, and the cross-sectional area of the middle part position perpendicular to horizontal plane of butt joint cover is minimum, and corresponding this position department air velocity of flow is biggest, has further strengthened the velocity of flow of air, promotes the efficiency of convulsions.

Optionally, the docking cover is made of PP material.

By adopting the technical scheme, the PP material has good fatigue resistance, impact strength and chemical corrosion resistance in various acids and alkalis, and is easy to obtain and relatively cheap.

Optionally, the inclined side plate forms an included angle of 45 degrees with the horizontal direction.

Through adopting above-mentioned technical scheme, the oblique curb plate is 45 contained angles setting and makes the gas can get into the whirlwind cover through the inlet opening from the tangential direction of oblique curb plate, thereby forms the whirl and upward flow passes through the transportation tuber pipe under the effect of fan.

Optionally, a plurality of extension plates are arranged on the periphery of the inclined side plate, and the extension plates are fixedly connected with the periphery wall of the air suction cover; the lengthened plates are connected end to form an outer cover, the outer cover is in a horn mouth shape, and the cross section of the vertical horizontal plane of the outer cover is gradually reduced along with the entering direction of air flow.

Through adopting above-mentioned technical scheme, under the effect of fan, gaseous orientation induced draft the direction of cover flows, and the horn mouth form opening that a plurality of extension boards were enclosed makes the air current area reduce along with the entering direction of air current gradually, and the air current speed will be strained big relatively to guarantee that more gases flow into in the cover that induced drafts.

Optionally, the cover that induced drafts is provided with two fixed pendants that are used for being connected with the bearing thing, two fixed pendants are located respectively the both ends of cover and be axisymmetric distribution induced drafts, fixed pendants with cover fixed connection induced drafts, fixed pendants are provided with the mounting hole that supplies the bolt to install.

Through adopting above-mentioned technical scheme, use the mounting hole that the bolt passed fixed pendant to with cover fixed mounting that induced drafts on the load-carrying object, the setting of two fixed pendant symmetric distributions makes the cover that induced drafts can keep the stability of installation.

In summary, the present application includes at least one of the following beneficial technical effects:

1. during operation, the fan starts, and the direction of the wind power that utilizes the fan to produce, and gaseous flow direction induced draft cover gets into through the fresh air inlet and holds the chamber in, absorbs gas to output tuber pipe under the effect of fan, and gaseous forms the whirl and upwards discharges in getting into the whirl cover through output tuber pipe, and the negative pressure that forms in the middle of the whirl cover provides suction for the interior tuber pipe of whirl cover, drives the gaseous drawing in the tuber pipe of connection to further extract gas through the tuber pipe mouth, thereby improve the work efficiency of convulsions, reduce power consumption simultaneously.

2. The air current gets into the whirl cover from the output tuber pipe through the butt joint cover in, the cross-sectional area of the middle part position perpendicular to horizontal plane of butt joint cover is minimum, corresponding this position department air velocity of flow is biggest, improved the velocity of flow of air, the gas in the butt joint cover gets into the whirl cover with tangential direction simultaneously in, the air current rises along the inner wall spiral of whirl cover, thereby the suction that provides for connecting the tuber pipe has been strengthened, the velocity of flow of the interior air of whirl cover has been strengthened, make more gas can get into in the connection tuber pipe from the tuber pipe mouth, the effect of convulsions has been strengthened.

3. Under the effect of the fan, the gas flows towards the direction of the induced draft cover, and the horn mouth-shaped openings surrounded by the lengthened plates enable the area of the gas flow channel to be gradually reduced along with the entering direction of the gas flow, so that the gas flow speed is correspondingly high, and more gas is ensured to flow into the induced draft cover.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a cyclone-type air extraction device.

Fig. 2 is a structural cross-sectional view of a cyclone-type suction apparatus of the present application.

Reference numerals illustrate:

1. an air suction cover; 11. a sloping side plate; 111. an air inlet hole; 112. an air pipe opening; 113. a lengthening plate; 12. a housing chamber; 13. an outer cover; 14. fixing the hanging piece; 141. a mounting hole; 2. a swirl cover; 21. connecting an air pipe; 3. a blower; 4. an output air pipe; 5. a butt joint cover; 51. a first docking conduit; 52. and a second docking conduit.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses spiral-flow type air draft equipment. Referring to fig. 1, a cyclone type air extraction device includes an air suction cover 1, a cyclone cover 2, a fan 3 and an output air pipe 4, wherein the cyclone cover 2 is vertically installed on the air suction cover 1, the fan 3 is installed on the output air pipe 4 to generate wind force to suck the air entering the air suction cover 1 into the output air pipe 4, one end of the output air pipe 4 is installed on the air suction cover 1, and the other end is installed on the cyclone cover 2. In this embodiment, the cyclone cover 2 is located at the left side of the air suction cover 1, the output air pipe 4 is transversely placed and the output air pipe 4 is fixedly connected with the air suction cover 1, and the air flowing through the air suction cover 1 is introduced into the output pipeline from the right side of the air suction cover 1 under the action of the fan 3, so that the air flows through the cyclone cover 2.

Referring to fig. 2, the suction hood 1 is provided with a diagonal side plate 11, the diagonal side plate 11 and the suction hood 1 enclose a receiving chamber 12 for receiving gas, and the diagonal side plate 11 is provided with an air inlet hole 111 into which the gas enters and an air duct opening 112. In this embodiment, the diameter of the air inlet 111 is smaller than that of the air duct 112, and a plurality of air inlets 111 are provided, and the plurality of air inlets 111 are uniformly and orderly distributed on the inclined side plate 11. The inclined side plate 11 forms an included angle of 45 degrees with the horizontal direction. The air can enter the cyclone cover from the tangential direction of the inclined side plate 11 through the air inlet 111, and forms a rotational flow and flows upwards through the conveying air pipe under the action of the fan 3.

Referring to fig. 1 and 2, further, a plurality of extension plates 113 are arranged on the periphery of the inclined side plate 11, and the plurality of extension plates 113 are fixedly connected with the periphery wall of the suction hood 1; the plurality of elongated plates 113 are connected end to form the housing 13, the housing 13 is arranged in a "bell mouth" shape, and the cross section of the housing 13 perpendicular to the horizontal plane gradually decreases along with the entering direction of the air flow. Under the action of the fan 3, the air flows towards the direction of the air suction cover 1, and the horn-shaped openings surrounded by the plurality of extension plates 113 enable the area of the air flow passage to be gradually reduced along with the entering direction of the air flow, so that the air flow speed is correspondingly high, and more air is ensured to flow into the air suction cover 1.

Referring to fig. 2, the cyclone cover 2 is provided in a cylindrical shape, and a connecting air duct 21 communicated with an air duct port 112 is sleeved in the cyclone cover 2; one end of the output air pipe 4 is communicated with the accommodating chamber 12, and the other end is communicated with the connecting air pipe 21 through the cyclone cover 2. In this embodiment, the central axis of the connecting air duct 21 is perpendicular to the upper end surface of the air suction cover 1, the connecting air duct 21 is located in the cyclone cover 2, and the high-level end of the connecting air duct 21 is lower than the high-level end of the cyclone cover 2.

Referring to fig. 1 and 2, in order to enhance the flow velocity of air in the cyclone cover 2, a butt joint cover 5 is arranged between the output air pipe 4 and the cyclone cover 2, one end of the butt joint cover 5 is communicated with the output air pipe 4, the other end is communicated with the cyclone cover 2, and the butt joint cover 5 is fixedly connected with one side of the cyclone cover 2 in a tangential direction. The gas in the butt joint cover 5 enters the cyclone cover 2 in the tangential direction, and the air flow rises along the spiral inner wall of the cyclone cover 2, so that the suction force provided for the connecting air pipe 21 is enhanced, the flow speed of the air in the cyclone cover 2 is enhanced, more gas can enter the connecting air pipe 21 from the air pipe opening 112, and the air draft effect is enhanced. Further, the cross section of the butt-joint cover 5 perpendicular to the horizontal plane from the end near the swirl cover 2 to the end near the output air duct 4 becomes gradually larger after gradually decreasing. The air flow enters the cyclone cover 2 from the output air pipe 4 through the butt joint cover 5, the cross-sectional area of the middle position of the butt joint cover 5 vertical to the horizontal plane is minimum, the air flow velocity at the corresponding position is maximum, the air flow velocity is further enhanced, and the air draft efficiency is improved. The butt joint cover 5 is made of PP material. The PP material has good fatigue resistance, impact strength and chemical corrosion resistance in various acids and alkalis, and is easy to obtain and relatively cheap. In the present embodiment, the docking cover 5 is composed of a first docking pipe 51 and a second docking pipe 52, the cross section of the first docking pipe 51 along the gas flow direction is gradually reduced, the cross section of the second docking pipe 52 along the gas flow direction is gradually increased, the cross section of the portion of the first docking pipe 51 connected with the second docking pipe 52 is identical, and the first docking pipe 51 and the second docking pipe 52 are fixed by a screw.

Referring to fig. 1, the suction hood 1 is provided with two fixing pendants 14 for connection with a load-bearing object, the two fixing pendants 14 are respectively located at two ends of the suction hood 1 and are axisymmetrically distributed, the fixing pendants 14 are fixedly connected with the suction hood 1, and the fixing pendants 14 are provided with mounting holes 141 for mounting bolts. Bolts are used to penetrate through the mounting holes 141 of the fixing pendants 14, so that the suction hood 1 is fixedly mounted on a load, and the two fixing pendants 14 are symmetrically distributed, so that the suction hood 1 can keep mounting stability.

The implementation principle of the spiral-flow type air draft device in the embodiment of the application is as follows: during operation, the fan 3 is started, the direction of the induced draft hood 1 is utilized by the wind power generated by the fan 3, the air flows into the accommodating chamber 12 through the air inlet 111, the air is sucked into the output air pipe 4 under the action of the fan 3, the air passes through the butt joint hood 5 through the output air pipe 4 to enter the cyclone hood 2 to form cyclone and is discharged upwards, the negative pressure formed in the middle of the cyclone hood 2 provides suction for the air pipe 21 in the cyclone hood 2 to drive the air in the connecting air pipe 21 in the vertical direction to pump, and the air is further pumped through the air pipe orifice 112, so that the working efficiency of ventilation is improved, and meanwhile, the power consumption is reduced.

The foregoing description is not intended to limit the scope of the present application, in which like reference numerals refer to like elements throughout, and it should be noted that the terms "front", "rear", "left", "right", "upper" and "lower" used in the foregoing description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward or away from the geometric center of a particular element, respectively. Therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The cyclone type air draft device is characterized by comprising an air draft cover (1), a cyclone cover (2), a fan (3) and an output air pipe (4), wherein the cyclone cover (2) is vertically arranged on the air draft cover (1), and the fan (3) is arranged on the output air pipe (4); the cyclone cover (1) is provided with an inclined side plate (11), the inclined side plate (11) and the cyclone cover (1) are enclosed to form a containing chamber (12) for containing gas, the inclined side plate (11) is provided with an air inlet (111) and an air pipe opening (112) for allowing the gas to enter, and a connecting air pipe (21) communicated with the air pipe opening (112) is sleeved in the cyclone cover (2); one end of the output air pipe (4) is communicated with the accommodating cavity (12), and the other end of the output air pipe is communicated with the connecting air pipe (21) through the cyclone cover (2).

2. Swirl-type air extraction device according to claim 1, characterized in that a docking hood (5) is arranged between the output air duct (4) and the swirl hood (2), one end of the docking hood (5) being in communication with the output air duct (4) and the other end being in communication with the swirl hood (2); the butt joint cover (5) is fixedly connected with one side of the rotational flow cover (2) in a tangential direction.

3. A swirl-type suction device according to claim 2, characterized in that the cross-section of the docking hood (5) perpendicular to the horizontal plane from the end closest to the swirl hood (2) to the end closest to the outlet air duct (4) changes from gradually decreasing to gradually increasing.

4. A cyclone-type air extraction device according to claim 3, characterized in that the docking hood (5) is made of PP material.

5. A cyclone-type air extraction device according to claim 1, characterized in that the inclined side plate (11) forms an angle of 45 ° with the horizontal direction.

6. The cyclone type air extraction device according to claim 5, wherein a plurality of extension plates (113) are arranged on the periphery of the inclined side plate (11), and the extension plates (113) are fixedly connected with the periphery wall of the air suction cover (1); the plurality of lengthening plates (113) are connected end to form an outer cover (13), the outer cover (13) is arranged in a horn mouth shape, and the cross section of the vertical horizontal plane of the outer cover (13) is gradually reduced along with the entering direction of air flow.

7. The cyclone type air suction device according to claim 1, wherein the air suction cover (1) is provided with two fixing pendants (14) used for being connected with a bearing object, the two fixing pendants (14) are respectively positioned at two ends of the air suction cover (1) and are in axisymmetric distribution, the fixing pendants (14) are fixedly connected with the air suction cover (1), and the fixing pendants (14) are provided with mounting holes (141) for mounting bolts.