CN212839241U - Pneumatic speed increasing device of centrifugal pump - Google Patents
Pneumatic speed increasing device of centrifugal pump Download PDFInfo
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- CN212839241U CN212839241U CN202021166540.4U CN202021166540U CN212839241U CN 212839241 U CN212839241 U CN 212839241U CN 202021166540 U CN202021166540 U CN 202021166540U CN 212839241 U CN212839241 U CN 212839241U
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- pneumatic
- centrifugal pump
- speed increasing
- increasing device
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Abstract
The utility model discloses a pneumatic acceleration rate device of centrifugal pump, including base, centrifugal pump, pneumatic accelerating device, shaft coupling, air pressure adjusting device and compressed gas station, centrifugal pump and pneumatic accelerating device are fixed in the base and set up side by side, and pneumatic accelerating device passes through the coupling joint centrifugal pump, and pneumatic accelerating device passes through the tube coupling and compresses the gas station, and pneumatic accelerating device and connect to be equipped with air pressure adjusting device on the pipeline between the compressed gas station, the utility model has the beneficial effects of the structure is reliable, adjust that the centrifugal pump rotational speed is convenient, with low costs relatively, low energy consumption, noiselessness.
Description
Technical Field
The utility model belongs to the technical field of the centrifugal pump, more specifically relates to a pneumatic speed increasing device of centrifugal pump.
Background
In the prior art, the speed increasing of the centrifugal pump generally needs to be realized by a high-speed motor, the power span of the high-speed motor is small, and if the centrifugal pump needs to adjust different rotating speeds, the high-speed motor with different rotating speeds needs to be used, so that the high-speed motor is expensive in manufacturing cost and higher in cost. Therefore, when the centrifugal pump needs to run at high speed, the speed is increased by adopting the secondary bearing box, but the bearing box is large in size, and an oil way and cooling equipment need to be specially equipped to ensure normal operation.
The patent number is 2016210765856 patent name is centrifugal pump acceleration rate and the chinese utility model patent of system discloses a technical scheme motor pulley's change of drive ratio realizes the acceleration rate of centrifugal pump or utilizes the cooperation of the different drive ratios of bevel gear spare to realize the acceleration rate of centrifugal pump, but this technical scheme has following defect:
1. the adjustment of the rotating speed of the centrifugal pump cannot be realized, and if the adjustment is needed, belt pulleys or bevel gear sets with different transmission ratios need to be replaced, which is troublesome;
2. the motor is still used for driving, so that the manufacturing cost is high and the energy consumption is high;
3. the running time is affected and the bevel gear meshing is noisy.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a structure is reliable, adjust the centrifugal pump rotational speed convenient, with relatively low costs, low energy consumption, noiseless pneumatic speed increaser of centrifugal pump.
According to the utility model discloses an aspect, the pneumatic acceleration rate of centrifugal pump includes base, centrifugal pump, pneumatic accelerating device, shaft coupling, air pressure adjusting device and compressed gas station, and centrifugal pump and pneumatic accelerating device are fixed in the base and set up side by side, and pneumatic accelerating device passes through the coupling joint centrifugal pump, and pneumatic accelerating device passes through the tube coupling and compresses the gas station, and pneumatic accelerating device and connect to be equipped with air pressure adjusting device on the pipeline between the compressed gas station.
In some embodiments, the pneumatic speed increasing device comprises a housing, an air inlet, a containing cavity, turbine blades, a bearing, an output shaft and a sealing element, wherein the air inlet is formed in the outer wall of the housing, the turbine blades are arranged on the output shaft, the output shaft is installed in the containing cavity through the bearing, one end of the output shaft extends out of the containing cavity, and the sealing element is arranged between the output shaft and the housing.
In some embodiments, the air inlet is connected to a pipeline.
In some embodiments, the bearing is provided in plurality, and the bearing is an ultra-high precision bearing.
In some embodiments, the air pressure adjusting device comprises a pneumatic adjusting valve, a pressure gauge and a one-way valve, and the one-way valve, the pneumatic adjusting valve and the pressure gauge are sequentially arranged on a pipeline from the compressed air station to the pneumatic speed increasing device.
The utility model has the advantages that: the centrifugal pump is directly driven by the pneumatic speed increasing device, so that the rotation speed of the centrifugal pump can be adjusted conveniently, the motor drive is replaced, the cost is saved, and no energy consumption is caused; the pneumatic speed increasing device is noiseless, has long service life and can be operated in 24 hours without intermittence and silence; the air pressure of the compressed air is adjusted by the air pressure adjusting device, so that the rotating speed of the pneumatic speed increasing device can be controlled, and further the rotating speed of the centrifugal pump can be controlled.
Drawings
FIG. 1 is a schematic structural view of the pneumatic speed increasing device of the centrifugal pump of the present invention;
FIG. 2 is a schematic structural view of a pneumatic speed increasing device of the centrifugal pump of the present invention;
fig. 3 is a schematic structural view of the air pressure adjusting device of the pneumatic speed increasing device of the centrifugal pump of the present invention.
Detailed Description
The present invention will be further described with reference to the following embodiments.
As shown in fig. 1, the pneumatic speed increasing device of centrifugal pump include base 1, centrifugal pump 2, pneumatic speed increasing device 3, shaft coupling 4, air pressure adjusting device 5 and compressed gas station 6, centrifugal pump 2 and pneumatic speed increasing device 3 are fixed in base 1 and set up side by side, pneumatic speed increasing device 3 passes through shaft coupling 4 and connects centrifugal pump 2, pneumatic speed increasing device 3 passes through pipeline 7 and connects compressed gas station 6, pneumatic speed increasing device 3 with connect to be equipped with air pressure adjusting device 5 on the pipeline 7 between the compressed gas station 6. The centrifugal pump 2 is directly driven by the pneumatic speed increasing device 3, so that the rotation speed of the centrifugal pump 2 can be adjusted conveniently, the motor drive is replaced, the cost is saved, and no energy consumption is caused; the pneumatic speed increasing device 3 has no noise and long service life and can be operated in 24 hours without intermittence and silence; the rotation speed of the pneumatic speed increasing device 3 can be controlled by adjusting the air pressure of the compressed air by using the air pressure adjusting device 5, so that the rotation speed of the centrifugal pump 2 can be controlled.
As shown in fig. 2, the pneumatic speed increasing device 3 includes a housing 31, an air inlet 32, an accommodating chamber 33, turbine blades 34, a bearing 35, an output shaft 36 and a sealing member 37, the air inlet 32 is disposed on an outer wall of the housing 31, the turbine blades 34 are disposed on the output shaft 36, the output shaft 36 is mounted in the accommodating chamber 33 through the bearing 35, one end of the output shaft 36 extends out of the accommodating chamber 33, and the sealing member 37 is disposed between the output shaft 36 and the housing 31. The standard rotating speed of the pneumatic speed increasing device 3 is 48000rpm and 80000rpm, and the highest rotating speed can reach 30 ten thousand rpm; the operation rotating speed can be adjusted by adjusting the air pressure; the pneumatic speed increasing device 3 is driven by compressed air, a motor is not needed for driving, the cost is saved, and meanwhile, the pneumatic speed increasing device 3 only needs to be driven by the compressed air, so that the pneumatic speed increasing device is safe, simple and reliable; the pneumatic speed increasing device 3 has few rotating parts and small heat, and can operate in a silent mode for 24 hours without intermittence; generally, when the rotating speed needs to be over 35000 turns after long-time operation, a pneumatic speed increaser is recommended; and utilize the utility model discloses can realize centrifugal pump 235000 and change above rotational speed, and the rotational speed is adjustable.
The air inlet 32 is connected with the pipeline 7, so that the output shaft 36 is driven conveniently.
The number of the bearings 35 is plural, and the bearings 35 are ultra-high precision bearings. The bearing 35 adopts an ultra-high precision bearing, the precision reaches more than P4 level, and the bearing is assembled in a pre-tightening way; the runout precision is high, and runout is 0.001 mm.
As shown in fig. 3, the air pressure adjusting device 5 includes a pneumatic control valve 51, a pressure gauge 52 and a check valve 53, and the check valve 53, the pneumatic control valve 51 and the pressure gauge 52 are sequentially provided from the compressed air station 6 to the pipeline 7 of the pneumatic speed increasing device 3. The one-way valve 53 is used for preventing the compressed air from flowing back, and the pneumatic regulating valve 51 and the pressure gauge 52 are used for regulating the air pressure input into the pneumatic speed increasing device 3, so that the rotating speed of the pneumatic speed increasing device 3 is regulated, and finally the rotating speed of the centrifugal pump 2 is controlled to use different rotating speed requirements.
The utility model has the advantages that: the centrifugal pump 2 is directly driven by the pneumatic speed increasing device 3, so that the rotation speed of the centrifugal pump 2 can be adjusted conveniently, the motor drive is replaced, the cost is saved, and no energy consumption is caused; the pneumatic speed increasing device 3 has no noise and long service life and can be operated in 24 hours without intermittence and silence; the rotation speed of the pneumatic speed increasing device 3 can be controlled by adjusting the air pressure of the compressed air by using the air pressure adjusting device 5, so that the rotation speed of the centrifugal pump 2 can be controlled.
The foregoing is only a few embodiments of the present invention, and it should be noted that, for those skilled in the art, other modifications and improvements can be made without departing from the inventive concept of the present invention, and all of them belong to the protection scope of the present invention.
Claims (5)
1. The pneumatic speed increasing device of the centrifugal pump is characterized by comprising a base, the centrifugal pump, the pneumatic speed increasing device, a coupler, an air pressure adjusting device and a compressed air station, wherein the centrifugal pump and the pneumatic speed increasing device are fixed on the base and are arranged side by side, the pneumatic speed increasing device is connected with the centrifugal pump through the coupler, the pneumatic speed increasing device is connected with the compressed air station through a pipeline, and the pneumatic speed increasing device is connected with the air pressure adjusting device on a pipeline between the compressed air station.
2. The centrifugal pump pneumatic speed increasing device of claim 1, comprising a housing, an air inlet, a receiving cavity, turbine blades, a bearing, an output shaft and a sealing element, wherein the air inlet is arranged on the outer wall of the housing, the turbine blades are arranged on the output shaft, the output shaft is arranged in the receiving cavity through the bearing, one end of the output shaft extends out of the receiving cavity, and the sealing element is arranged between the output shaft and the housing.
3. The centrifugal pump pneumatic booster of claim 2, wherein the air inlet is connected to a pipeline.
4. The centrifugal pump pneumatic booster of claim 3, wherein a plurality of bearings are provided, and the bearings are ultra-high precision bearings.
5. The pneumatic centrifugal pump speed increasing device according to claim 4, wherein the pneumatic pressure adjusting device comprises a pneumatic adjusting valve, a pressure gauge and a one-way valve, and the one-way valve, the pneumatic adjusting valve and the pressure gauge are sequentially arranged on a pipeline from the compressed gas station to the pneumatic speed increasing device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021166540.4U CN212839241U (en) | 2020-06-22 | 2020-06-22 | Pneumatic speed increasing device of centrifugal pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021166540.4U CN212839241U (en) | 2020-06-22 | 2020-06-22 | Pneumatic speed increasing device of centrifugal pump |
Publications (1)
Publication Number | Publication Date |
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CN212839241U true CN212839241U (en) | 2021-03-30 |
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CN202021166540.4U Active CN212839241U (en) | 2020-06-22 | 2020-06-22 | Pneumatic speed increasing device of centrifugal pump |
Country Status (1)
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CN (1) | CN212839241U (en) |
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2020
- 2020-06-22 CN CN202021166540.4U patent/CN212839241U/en active Active
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