CN211202380U - Flow regulating device of gas ventilator - Google Patents
Flow regulating device of gas ventilator Download PDFInfo
- Publication number
- CN211202380U CN211202380U CN201922424108.4U CN201922424108U CN211202380U CN 211202380 U CN211202380 U CN 211202380U CN 201922424108 U CN201922424108 U CN 201922424108U CN 211202380 U CN211202380 U CN 211202380U
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- air inlet
- protective net
- inlet plate
- impeller housing
- impeller
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Abstract
A flow regulating device of a gas ventilator comprises an impeller housing, wherein an impeller is rotationally connected in the impeller housing, and one side of the impeller housing is provided with an air inlet; the air inlet consists of an upper air inlet plate and a lower air inlet plate, one end of the lower air inlet plate is connected with a support plate through a pin shaft, the other end of the lower air inlet plate is provided with a protective net support, and the protective net support is provided with a double-layer protective net; the support plate is fixedly connected with the bottom of the impeller housing; the two sides of the protective net support are connected with the upper air inlet plate in a sliding manner; the bottom of the impeller housing is provided with an air cylinder; a group of lug plates are welded at the bottom of the lower air inlet plate, and a rotating shaft is connected between the lug plates; and the piston end of the cylinder is connected with the rotating shaft through a universal joint bearing. Compared with the prior art, the utility model discloses a gas ventilation blower flow regulation device adjusts the position of air inlet plate down through the cylinder, plays the effect of adjusting the air inlet flow, through double-deck protection network, plays the protection impeller in addition, slows down impeller wearing and tearing.
Description
Technical Field
The utility model relates to a fan equipment field specifically indicates a coal gas ventilation blower flow control device.
Background
The coal gas ventilator is a special power device for conveying coal gas in the process of purifying the coke oven gas, is generally arranged at the tail end of a coal gas purification process after the coke oven gas is initially cooled, and the size of the air inlet side of the existing coal gas ventilator is fixed, so the air inlet flow cannot be adjusted, and the air exhaust amount can be increased only by outputting higher power by a motor.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to the not enough of above-mentioned prior art, and provide a gas ventilation blower flow control device.
In order to solve the technical problem, the utility model discloses a technical scheme is:
a flow regulating device of a gas ventilator comprises an impeller housing, wherein an impeller is rotationally connected in the impeller housing, and one side of the impeller housing is provided with an air inlet; the air inlet consists of an upper air inlet plate and a lower air inlet plate, one end of the lower air inlet plate is connected with a supporting plate through a pin shaft, and the other end of the lower air inlet plate is provided with a protective net support; the support plate is fixedly connected with the bottom of the impeller housing; two sides of the protective net support are connected with the upper air inlet plate in a sliding manner, and two end faces of the protective net support are respectively connected with a first protective net and a second protective net; the bottom of the impeller housing is provided with an air cylinder; a group of lug plates are welded at the bottom of the lower air inlet plate, and a rotating shaft is connected between the lug plates; and the piston end of the cylinder is connected with the rotating shaft through a universal joint bearing.
Furthermore, the upper air inlet plate is arc-shaped and extends from the outer side of the impeller housing to the inner side of the impeller housing; the end part of the upper air inlet plate is provided with a U-shaped opening, and two sides of the U-shaped opening of the upper air inlet plate are connected with guide shafts inwards; guide grooves are formed in two sides of the protective net support, and the protective net support is connected with the guide shafts in a sliding mode through the guide grooves.
Further, the bottom of the impeller housing is welded with an air cylinder mounting seat, and the air cylinder is mounted on the air cylinder mounting seat.
Further, the meshes of the first protection net are larger than the meshes of the second protection net.
Compared with the prior art, the utility model discloses a coal gas ventilation blower flow regulation device adjusts the position of air inlet plate down through the cylinder, can change the size of air intake, plays the effect of adjusting the air inlet flow, and through double-deck protection network, the impurity with big granule blocks in the air intake outside in addition, plays the protection impeller, slows down the impeller wearing and tearing.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
the device comprises an impeller housing 1, an impeller housing 2, an impeller 3, an upper air inlet plate 4, a lower air inlet plate 5, a support plate 6, a protective net support 7, a first protective net 8, a second protective net 9, an air cylinder 10, an air cylinder mounting seat 11 and lug plates.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below.
As shown in fig. 1, the flow regulating device of the gas ventilator comprises an impeller housing 1, an impeller 2 is rotatably connected in the impeller housing 1, and an air inlet is formed in one side of the impeller housing 1; the air inlet consists of an upper air inlet plate 3 and a lower air inlet plate 4, one end of the lower air inlet plate 4 is connected with a support plate 5 through a pin shaft, and the other end of the lower air inlet plate is provided with a protective net support 6; the support plate 5 is fixedly connected with the bottom of the impeller housing 1; the two sides of the protective net support 6 are connected with the upper air inlet plate 3 in a sliding manner, the two end faces of the protective net support 6 are respectively connected with a first protective net 7 and a second protective net 8, and meshes of the first protective net 7 are larger than meshes of the second protective net 8; the bottom of the impeller housing 1 is provided with an air cylinder 9, and the air cylinder 9 is arranged on the impeller housing 1 through an air cylinder mounting seat 10; a group of lug plates 11 are welded at the bottom of the lower air inlet plate 4, and a rotating shaft is connected between the lug plates 11; and the piston end of the cylinder 9 is connected with the rotating shaft through a universal joint bearing.
The upper air inlet plate 3 is arc-shaped, and the upper air inlet plate 3 extends from the outer side of the impeller housing 1 to the inner side of the impeller housing 1; the end part of the upper air inlet plate 3 is provided with a U-shaped opening, and two sides of the U-shaped opening of the upper air inlet plate 3 are connected with guide shafts inwards; guide grooves are formed in two sides of the protective net support 6, and the protective net support 6 is connected with the guide shafts in a sliding mode through the guide grooves.
The working principle is as follows: the position of the lower air inlet plate 4 is adjusted through the up-and-down work of the piston end of the air cylinder 9, the size of the air inlet is changed, the effect of adjusting the air inlet flow is achieved, the double-layer protective net is arranged on the side of the air inlet, large particles in smoke are intercepted, and the effect of slowing down the abrasion of the impeller is achieved.
The present invention is not limited to the above-described embodiments, and those skilled in the art can make modifications or changes without departing from the spirit of the present invention.
Claims (4)
1. The utility model provides a gas ventilator flow adjusting device, includes the impeller housing, and the impeller housing internal rotation is connected with the impeller, and impeller housing one side is provided with air intake, its characterized in that: the air inlet consists of an upper air inlet plate and a lower air inlet plate, one end of the lower air inlet plate is connected with a supporting plate through a pin shaft, and the other end of the lower air inlet plate is provided with a protective net support; the support plate is fixedly connected with the bottom of the impeller housing; two sides of the protective net support are connected with the upper air inlet plate in a sliding manner, and two end faces of the protective net support are respectively connected with a first protective net and a second protective net; the bottom of the impeller housing is provided with an air cylinder; a group of lug plates are welded at the bottom of the lower air inlet plate, and a rotating shaft is connected between the lug plates; and the piston end of the cylinder is connected with the rotating shaft through a universal joint bearing.
2. The gas ventilator flow regulating device according to claim 1, wherein: the upper air inlet plate is arc-shaped and extends from the outer side of the impeller housing to the inner side of the impeller housing; the end part of the upper air inlet plate is provided with a U-shaped opening, and two sides of the U-shaped opening of the upper air inlet plate are connected with guide shafts inwards; guide grooves are formed in two sides of the protective net support, and the protective net support is connected with the guide shafts in a sliding mode through the guide grooves.
3. The gas ventilator flow regulating device according to claim 1, wherein: the bottom of the impeller housing is welded with an air cylinder mounting seat, and the air cylinder is mounted on the air cylinder mounting seat.
4. The gas ventilator flow regulating device according to claim 1, wherein: the meshes of the first protective net are larger than the meshes of the second protective net.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922424108.4U CN211202380U (en) | 2019-12-29 | 2019-12-29 | Flow regulating device of gas ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922424108.4U CN211202380U (en) | 2019-12-29 | 2019-12-29 | Flow regulating device of gas ventilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211202380U true CN211202380U (en) | 2020-08-07 |
Family
ID=71853963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922424108.4U Active CN211202380U (en) | 2019-12-29 | 2019-12-29 | Flow regulating device of gas ventilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211202380U (en) |
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2019
- 2019-12-29 CN CN201922424108.4U patent/CN211202380U/en active Active
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