CN104990596A - Straight blade vertical shaft impeller flow meter - Google Patents
Straight blade vertical shaft impeller flow meter Download PDFInfo
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- CN104990596A CN104990596A CN201510355399.XA CN201510355399A CN104990596A CN 104990596 A CN104990596 A CN 104990596A CN 201510355399 A CN201510355399 A CN 201510355399A CN 104990596 A CN104990596 A CN 104990596A
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- prismatic blade
- flowmeter
- vertical pivot
- impeller
- blade vertical
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Abstract
The invention is to provide a straight blade vertical shaft impeller flow meter in a simple mechanical structure and possessing small fluid hydraulic loss due to great fluid mechanics features, and having high measuring precision and wide application range. The straight blade vertical shaft impeller flow meter is mainly formed by a meter body (1), a rectifier (2), a straight blade (3), a connection rod member (4), a wheel hub (5), a shaft (6), a first rolling bearing (7) and a second rolling bearing (8) as well as a flow meter counter (9). The flow meter works according to a principle that with the straight blade vertical shaft impeller as a core passage component to measure flow, the straight blade can be successfully started with impact of incoming flows (V); the blade is affected by various lifting force and resistance in different positions; after the flow meter works for a while, a rotor rotates at a constant angular velocity; and according to a mathematic relation between the rotating speed of the impeller and flowing speed of the fluid, rotating speed of the impeller is converted into fluid flow parameters.
Description
Technical field
The present invention is to provide a kind of gas-liquid flow amount detecting device, a kind of prismatic blade vertical pivot propeller flowmeter of special design, and this flowmeter structure is simpler, and cost is lower, and it is high to measure precision.
Background technology
Flowmeter is a kind of instrument measuring fluid flow, is one of most important instrument in commercial measurement.Along with industrial expansion, to the accuracy of flow measurement and area requirement more and more higher, in order to adapt to multiple use, various types of flowmeter is come out one after another, and is widely used in the industries such as petroleum gas, petrochemical complex, water treatment, food and drink, pharmacy, the energy, metallurgy, paper pulp papermaking and building materials.Common flow is in respect of target type meter, volumeter, turbo flow meter, differential pressure flowmeter, variable area formula flowmeter, electromagnetic flowmeter, ultrasonic flow meter etc., and these flowmeters are at precision, and hydraulic loss and price can not get both.Such as turbo flow meter is moderate, but hydraulic loss is comparatively large, fragile; Electromagnetic flowmeter price is high, and response is very slow etc.In order to change above present situation, the invention provides a kind of new flowmeter, is a kind of prismatic blade vertical pivot propeller flowmeter, and it is simple that this flowmeter has structure, the advantages such as cost is low, and hydraulic loss is little, and measuring accuracy is higher, applied widely.
Summary of the invention
The object of this invention is to provide a kind of new flowmeter, this flowmeter adopts simple physical construction, and in conjunction with its good hydrodynamic characteristic, the hydraulic loss of fluid is minimum, and the measuring accuracy of flowmeter is higher, the industries such as petroleum gas, petrochemical complex, water treatment can be widely used in.
The present invention is a kind of prismatic blade vertical pivot propeller flowmeter, its principle of work adopts prismatic blade vertical pivot impeller as the core flow passage components of measuring flow, prismatic blade (3) starts successfully under the impact of incoming flow V, and after the certain hour that works, rotor is by with constant angular velocity omega uniform rotation, its blade is subject to different lift and the effect of resistance at diverse location angle place, according to the mathematical relation of wheel speed and rate of flow of fluid, wheel speed is converted into fluid flow parameter.
The present invention is primarily of table body (1), rectifier (2), prismatic blade (3), connecting rod (4), wheel hub (5), axle (6), rolling bearing (7), rolling bearing (8), counter of flowmeter (9) forms, wherein prismatic blade vertical pivot impeller is primarily of prismatic blade (3), connecting rod (4) and wheel hub (5) composition, the flowing of fluid drives the rotation of prismatic blade vertical pivot impeller, the synchronous rotary of prismatic blade vertical pivot impeller band moving axis (6), axle (6) is directly connected with counter of flowmeter (9), counter of flowmeter (9) directly can record wheel speed, and wheel speed is converted into flow parameter, prismatic blade (3) xsect of prismatic blade vertical pivot impeller is airfoil structure, and the number of blade is odd number, and connecting rod (4) is connected in the position near aerofoil profile prismatic blade (3) leading edge, prismatic blade vertical pivot impeller is made to produce larger torque like this, impeller radius R
2be less than fluid meter radius R
13/4ths, rolling bearing (7) and (8) are equipped with in the two ends of axle (6).
Beneficial effect of the present invention is as follows: prismatic blade vertical pivot flowmeter structure is simple, and the hydraulic loss of fluid is less, and measuring accuracy is high, and cost is lower, applied widely.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present invention;
Fig. 2 is aerofoil profile prismatic blade aerofoil section figure;
In figure: 1. show body, 2. rectifier, 3. prismatic blade, 4. connecting rod, 5. wheel hub, 6. axle, 7. rolling bearing, 8. rolling bearing, 9. counter of flowmeter
Embodiment
A kind of structure of prismatic blade vertical pivot propeller flowmeter as shown in Figure 1, by table body (1), rectifier (2), prismatic blade (3), connecting rod (4), wheel hub (5), axle (6), rolling bearing (7), rolling bearing (8), counter of flowmeter (9) forms, and wherein prismatic blade vertical pivot impeller forms primarily of prismatic blade (3), connecting rod (4) and wheel hub (5).
As shown in Figure 1, adopt prismatic blade vertical pivot impeller as the core flow passage components of measuring flow, prismatic blade (3) starts successfully under the impact of incoming flow V, and after the certain hour that works, rotor is by with constant angular velocity omega uniform rotation, its blade is subject to different lift and the effect of resistance at diverse location angle place, therefore the flowing of fluid drives the rotation of prismatic blade vertical pivot impeller, the synchronous rotary of prismatic blade vertical pivot impeller band moving axis (6), axle (6) is directly connected with counter of flowmeter (9), counter of flowmeter (9) directly can record wheel speed, according to the mathematical relation of wheel speed and rate of flow of fluid, and wheel speed is converted into flow parameter.
Prismatic blade (3) xsect of prismatic blade vertical pivot impeller be airfoil structure as shown in Figure 2, and the number of blade is odd number, and connecting rod (4) is connected in the position near aerofoil profile prismatic blade (3) leading edge, prismatic blade vertical pivot impeller is made to produce larger torque, impeller radius R like this
2be less than fluid meter radius R
13/4ths, rolling bearing (7) and (8) are equipped with in the two ends of axle (6).
Shown in Fig. 1,2, be primarily characterized in that: adopt prismatic blade vertical pivot impeller as the core flow passage components of measuring flow, the rotation of fluid driven prismatic blade vertical pivot impeller, according to the mathematical relation of wheel speed and rate of flow of fluid, is converted into fluid flow parameter by wheel speed.
Claims (4)
1. a prismatic blade vertical pivot propeller flowmeter, it is primarily of table body (1), rectifier (2), prismatic blade (3), connecting rod (4), wheel hub (5), axle (6), rolling bearing (7), rolling bearing (8), counter of flowmeter (9) forms, and is primarily characterized in that: adopt prismatic blade vertical pivot impeller as the core flow passage components of measuring flow, the rotation of fluid driven prismatic blade vertical pivot impeller, according to the mathematical relation of wheel speed and rate of flow of fluid, wheel speed is converted into fluid flow parameter.
2. a kind of prismatic blade vertical pivot flowmeter as claimed in claim 1, it is characterized in that: prismatic blade vertical pivot impeller band moving axis (6) synchronous rotary, axle (6) is directly connected with counter of flowmeter (9), counter of flowmeter (9) directly can record wheel speed, and wheel speed is converted into flow parameter.
3. a kind of prismatic blade vertical pivot flowmeter as claimed in claim 1, it is characterized in that: prismatic blade (3) xsect of prismatic blade vertical pivot impeller is airfoil structure, the number of blade is odd number, and connecting rod (4) is connected in the position near aerofoil profile prismatic blade (3) leading edge.
4. a kind of prismatic blade vertical pivot flowmeter as claimed in claim 1, is characterized in that: prismatic blade vertical pivot impeller trace radius R
2be less than flowmeter radius R
13/4ths.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510355399.XA CN104990596A (en) | 2015-06-24 | 2015-06-24 | Straight blade vertical shaft impeller flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510355399.XA CN104990596A (en) | 2015-06-24 | 2015-06-24 | Straight blade vertical shaft impeller flow meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104990596A true CN104990596A (en) | 2015-10-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510355399.XA Pending CN104990596A (en) | 2015-06-24 | 2015-06-24 | Straight blade vertical shaft impeller flow meter |
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| CN (1) | CN104990596A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1839258A (en) * | 2003-09-09 | 2006-09-27 | 蓬特迪阿基米德股份有限公司 | Vertical axis water current turbine |
| CN101532854A (en) * | 2009-04-08 | 2009-09-16 | 吕德月 | Detecting device for swirl flowmeter |
| KR101196357B1 (en) * | 2010-06-18 | 2012-11-01 | 한국에너지기술연구원 | Energy integration with Magnetism-operation of Vertical axis a Water current Hydraulic turbine |
| KR101250330B1 (en) * | 2011-03-02 | 2013-04-03 | 한국해양과학기술원 | Apparatus for increase Torque of Vertical Axis Turbine System |
| CN104089661A (en) * | 2014-07-14 | 2014-10-08 | 重庆邮电大学 | Air flow meter |
-
2015
- 2015-06-24 CN CN201510355399.XA patent/CN104990596A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1839258A (en) * | 2003-09-09 | 2006-09-27 | 蓬特迪阿基米德股份有限公司 | Vertical axis water current turbine |
| CN101532854A (en) * | 2009-04-08 | 2009-09-16 | 吕德月 | Detecting device for swirl flowmeter |
| KR101196357B1 (en) * | 2010-06-18 | 2012-11-01 | 한국에너지기술연구원 | Energy integration with Magnetism-operation of Vertical axis a Water current Hydraulic turbine |
| KR101250330B1 (en) * | 2011-03-02 | 2013-04-03 | 한국해양과학기술원 | Apparatus for increase Torque of Vertical Axis Turbine System |
| CN104089661A (en) * | 2014-07-14 | 2014-10-08 | 重庆邮电大学 | Air flow meter |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151021 |
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| RJ01 | Rejection of invention patent application after publication |