CN108009354A - The computational methods of converter inclining torque - Google Patents
The computational methods of converter inclining torque Download PDFInfo
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- CN108009354A CN108009354A CN201711245358.0A CN201711245358A CN108009354A CN 108009354 A CN108009354 A CN 108009354A CN 201711245358 A CN201711245358 A CN 201711245358A CN 108009354 A CN108009354 A CN 108009354A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/17—Mechanical parametric or variational design
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
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Abstract
The present invention relates to a kind of computational methods of converter inclining torque, empty stove torque MK, stove fluid moment MD are calculated respectively and are added after moment of friction MM, by establishing threedimensional model so as to theoretical calculation sky stove torque MK, converter tapping overall process is simulated by XFLOW softwares, obtain stove fluid moment MD, this method has taken into full account a braking and the influence of converter tapping, and the moment variations during being fascinated with accurate simulation, foundation is provided for tilting equipment design and choice of electrical machine.
Description
Technical field
The invention belongs to pneumatic steelmaking field, and in particular to a kind of computational methods of converter inclining torque.
Background technology
Converter is the capital equipment of steel-making, and tilting equipment is its important part.Converter inclining torque is that converter is inclined
One of important parameter of motivation structure, is not only the important evidence of the components such as design tilting equipment, furnace shell, backing ring, while is also to set
The important references index of standby safety in production and Maintenance and Repair.The ability of tilting equipment should meet that converter is kept the safety in production, and pass through again
Ji is reasonable, therefore converter inclining torque need to be calculated, and foundation is provided for tilting equipment design and choice of electrical machine.
The method of traditional calculating Tilting Torque, usually only calculates the statical moment during fascinating, while cannot accurate mould
Intend influence of the tapping process to Tilting Torque.The practical work process of converter is accelerates, and at the uniform velocity, slows down, stopping is circulated throughout
Journey, during this, dynamics torque can be brought by playing a braking, and stove liquid can rock, and molten steel can gradually decrease, therefore, conventional method
It has been short of in computational accuracy.
The content of the invention
The object of the present invention is to provide a kind of computational methods of converter inclining torque, this method passes through theoretical calculation method meter
Empty stove torque is calculated, converter tapping overall process is simulated by XFLOW softwares, obtains stove fluid moment, a braking has been taken into full account and has turned
The influence of stove tapping, the moment variations during being fascinated with accurate simulation, provide for tilting equipment design and choice of electrical machine
Foundation.
The technical solution adopted in the present invention is：
A kind of computational methods of converter inclining torque, calculate empty stove torque MK, stove fluid moment MD and moment of friction MM respectively
After be added, wherein：
When calculating sky stove torque MK, converter shell, backing ring and the model of resistance to material are established using three-dimensional software, obtain the matter of converter
Measure m1, distance of centre of gravity gudgeon distance h, the rotary inertia J using gudgeon as rotation axis, according to operation operating mode, obtain converter inclining angle
θ versus time curve θ (t) and angular acceleration curve α (t), calculate empty stove torque MK=m1Ghsin [θ (t)]+J α (t),
Wherein, g is acceleration of gravity；
When calculating stove fluid moment MD, using gudgeon center as coordinate origin, furnace shell inner cavity entity mould is established using three-dimensional software
Type, relevant parameter and setting operation operating mode are inputted after importing XFLOW softwares, and converter tapping overall process is simulated by XFLOW softwares
And obtain stove fluid moment MD；
When calculating moment of friction MM, MM=(m1+m2) r μ, wherein r is bearing radius, μ is bearing friction coefficient, m2For
Stove liquid quality.
Further, when calculating stove fluid moment MD, 1) using gudgeon center as coordinate origin, stove is established using three-dimensional software
Shell inner cavity physical model, and export * .xt files；2) XFLOW is started, the flow model defined in Environment is freely
Surface stream, turbulence model WALE, the material parameter defined in Materials, setting acceleration of gravity direction, according to stove liquid
Quality m2Set initial liquid level height；3) * .xt files are imported in Geometry, geometry behavior is defined as Enforced, angle
Degree pattern definition is Euler angles, is set as [tabulardatainterpolated (t, " * in corresponding rotation axis
.txt ")] deg, * .txt files are turning angle versus time curve θ (t), define tapping hole and fire door goes out for pressure
Mouthful, gauge pressure 0Pa, it is wall surface to define other faces；4) in Simulation, simulated time, Courant number is defined, solves rule
Mould, Precise Algorithm are defined as Near static walls；5) RUN is clicked on, after the completion of calculating, exports stove fluid moment MD.
The beneficial effects of the invention are as follows：
This method is simulated converter by XFLOW softwares and is gone out by establishing threedimensional model so as to theoretical calculation sky stove torque MK
Steel overall process, obtains stove fluid moment MD, has taken into full account a braking and the influence of converter tapping, can have been fascinated with accurate simulation
Moment variations in journey, foundation is provided for tilting equipment design and choice of electrical machine.
Embodiment
The present invention is further illustrated below.
A kind of computational methods of converter inclining torque, calculate empty stove torque MK, stove fluid moment MD and moment of friction MM respectively
After be added, wherein：
1. calculate sky stove torque MK, converter shell, backing ring and the model of resistance to material are established using three-dimensional software, obtain converter
Quality m1, distance of centre of gravity gudgeon distance h, the rotary inertia J using gudgeon as rotation axis, according to operation operating mode, obtain converter inclining angle
θ versus time curve θ (t) and angular acceleration curve α (t) are spent, calculate empty stove torque MK=m1ghsin[θ(t)]+J α
(t), wherein, g is acceleration of gravity.
2. calculate stove fluid moment MD, 1) using gudgeon center as coordinate origin, furnace shell inner cavity reality is established using three-dimensional software
Body Model, and export * .xt files；2) start XFLOW, the flow model defined in Environment for free surface flow,
Turbulence model is WALE, the material parameter defined in Materials (density, viscosity etc.), setting acceleration of gravity direction, root
According to stove liquid quality m2Set initial liquid level height；3) * .xt files are imported in Geometry, geometry behavior is defined as
Enforced, angle mode are defined as Euler angles, are set as in corresponding rotation axis
[tabulardatainterpolated (t, " * .txt ")] deg, * .txt files are turning angle versus time curve
θ (t), it is pressure export to define tapping hole and fire door, and gauge pressure 0Pa, it is wall surface to define other faces；4) in Simulation
In, define simulated time, Courant number, solve scale, Precise Algorithm is defined as Near static walls；5) RUN is clicked on,
After the completion of calculating, stove fluid moment MD is exported.
3. calculate moment of friction MM, MM=(m1+m2) r μ, wherein r is bearing radius, μ is bearing friction coefficient, m2
For stove liquid quality.
This method is simulated converter by XFLOW softwares and is gone out by establishing threedimensional model so as to theoretical calculation sky stove torque MK
Steel overall process, obtains stove fluid moment MD, has taken into full account a braking and the influence of converter tapping, can have been fascinated with accurate simulation
Moment variations in journey, foundation is provided for tilting equipment design and choice of electrical machine.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (2)
- A kind of 1. computational methods of converter inclining torque, after calculating empty stove torque MK, stove fluid moment MD and moment of friction MM respectively It is added, it is characterised in that：When calculating sky stove torque MK, converter shell, backing ring and the model of resistance to material are established using three-dimensional software, obtain the quality m of converter1、 Distance of centre of gravity gudgeon distance h, the rotary inertia J using gudgeon as rotation axis, according to operation operating mode, obtain converter inclining angle, θ at any time Between change curve θ (t) and angular acceleration curve α (t), calculate empty stove torque MK=m1Ghsin [θ (t)]+J α (t), wherein, g For acceleration of gravity；When calculating stove fluid moment MD, using gudgeon center as coordinate origin, furnace shell inner cavity physical model is established using three-dimensional software, is led Relevant parameter and setting operation operating mode are inputted after entering XFLOW softwares, converter tapping overall process is simulated by XFLOW softwares and obtains stove Fluid moment MD；When calculating moment of friction MM, MM=(m1+m2) r μ, wherein r is bearing radius, μ is bearing friction coefficient, m2For stove liquid Quality.
- 2. the computational methods of converter inclining torque as claimed in claim 1, it is characterised in that：When calculating stove fluid moment MD, 1) Using gudgeon center as coordinate origin, furnace shell inner cavity physical model is established using three-dimensional software, and export * .xt files；2) start XFLOW, the flow model defined in Environment are free surface flow, turbulence model WALE, fixed in Materials Adopted material parameter, setting acceleration of gravity direction, according to stove liquid quality m2Set initial liquid level height；3) led in Geometry Enter * .xt files, geometry behavior is defined as Enforced, and angle mode is defined as Euler angles, is set in corresponding rotation axis It is set to [tabulardatainterpolated (t, " * .txt ")] deg, * .txt files change with time for turning angle Curve θ (t), it is pressure export to define tapping hole and fire door, and gauge pressure 0Pa, it is wall surface to define other faces；4) exist In Simulation, define simulated time, Courant number, solve scale, Precise Algorithm is defined as Near static walls；5) RUN is clicked on, after the completion of calculating, exports stove fluid moment MD.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711245358.0A CN108009354A (en) | 2017-11-29 | 2017-11-29 | The computational methods of converter inclining torque |
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| CN201711245358.0A CN108009354A (en) | 2017-11-29 | 2017-11-29 | The computational methods of converter inclining torque |
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| CN108009354A true CN108009354A (en) | 2018-05-08 |
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| CN201711245358.0A Pending CN108009354A (en) | 2017-11-29 | 2017-11-29 | The computational methods of converter inclining torque |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112613166A (en) * | 2020-12-14 | 2021-04-06 | 湖南镭目科技有限公司 | Method for planning tilting curve of converter tapping and method for controlling converter tapping |
| CN112668152A (en) * | 2020-12-11 | 2021-04-16 | 中冶南方工程技术有限公司 | Method for calculating liquid level height and flow in electric furnace tapping process |
| CN117191261A (en) * | 2023-11-06 | 2023-12-08 | 科弛医疗科技(北京)有限公司 | Surgical robot centroid inclination monitoring device and monitoring method |
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| CN102609991A (en) * | 2012-01-19 | 2012-07-25 | 北京航空航天大学 | Volume-reduction optimization method for three-dimensional solid model |
| CN102880764A (en) * | 2012-10-18 | 2013-01-16 | 南车株洲电力机车研究所有限公司 | Method for calculating front frame strength of wind generating set |
| CN105404791A (en) * | 2015-12-31 | 2016-03-16 | 中冶南方工程技术有限公司 | Calculation method for calculating turning torque of converter |
| CN105547556A (en) * | 2015-12-31 | 2016-05-04 | 中冶南方工程技术有限公司 | Method for calculating converter tilting movement according to size of converter filtering currents |
-
2017
- 2017-11-29 CN CN201711245358.0A patent/CN108009354A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102609991A (en) * | 2012-01-19 | 2012-07-25 | 北京航空航天大学 | Volume-reduction optimization method for three-dimensional solid model |
| CN102880764A (en) * | 2012-10-18 | 2013-01-16 | 南车株洲电力机车研究所有限公司 | Method for calculating front frame strength of wind generating set |
| CN105404791A (en) * | 2015-12-31 | 2016-03-16 | 中冶南方工程技术有限公司 | Calculation method for calculating turning torque of converter |
| CN105547556A (en) * | 2015-12-31 | 2016-05-04 | 中冶南方工程技术有限公司 | Method for calculating converter tilting movement according to size of converter filtering currents |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112668152A (en) * | 2020-12-11 | 2021-04-16 | 中冶南方工程技术有限公司 | Method for calculating liquid level height and flow in electric furnace tapping process |
| CN112668152B (en) * | 2020-12-11 | 2022-07-08 | 中冶南方工程技术有限公司 | Method for calculating liquid level height and flow in electric furnace tapping process |
| CN112613166A (en) * | 2020-12-14 | 2021-04-06 | 湖南镭目科技有限公司 | Method for planning tilting curve of converter tapping and method for controlling converter tapping |
| CN112613166B (en) * | 2020-12-14 | 2024-05-14 | 湖南镭目科技有限公司 | Method for planning tilting curve of converter tapping and method for controlling converter tapping |
| CN117191261A (en) * | 2023-11-06 | 2023-12-08 | 科弛医疗科技(北京)有限公司 | Surgical robot centroid inclination monitoring device and monitoring method |
| CN117191261B (en) * | 2023-11-06 | 2024-02-27 | 科弛医疗科技(北京)有限公司 | Surgical robot centroid inclination monitoring device and monitoring method |
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