CN101712070A - Portable crystallizer vibration amplitude and horizontal oscillation measuring system of continuous caster - Google Patents
Portable crystallizer vibration amplitude and horizontal oscillation measuring system of continuous caster Download PDFInfo
- Publication number
- CN101712070A CN101712070A CN200910219274A CN200910219274A CN101712070A CN 101712070 A CN101712070 A CN 101712070A CN 200910219274 A CN200910219274 A CN 200910219274A CN 200910219274 A CN200910219274 A CN 200910219274A CN 101712070 A CN101712070 A CN 101712070A
- Authority
- CN
- China
- Prior art keywords
- horizontal
- crystallizer
- vibration
- processing
- conticaster
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention relates to the field of vibration detection, in particular to a portable crystallizer vibration amplitude and horizontal oscillation measuring system of a continuous caster, providing reliable evidences for technicians to regulate and maintain a crystallizer. The system at least comprises vertical displacement sensors, horizontal displacement sensors and a processing and analyzing unit and is characterized in that the vertical displacement sensors and the horizontal displacement sensors are distributed on a crystallizer vibrating platform; the crystallizer vibrating platform of the continuous caster vibrates at a frequency of 0.35-6Hz and the processing and analyzing unit synchronously acquires vertical vibration quantity and horizontal oscillating quantity signals of each distributed vertical displacement sensor and horizontal displacement sensor at the adoption rate being bigger than the vibration frequency of the crystallizer vibrating platform, and the processing and analyzing unit obtains the casting blank quality and the relation between the vibration amplitude and the frequency influence of the crystallizer vibrating platform of the continuous caster through processing and analyzing the vertical vibration quantity and the horizontal oscillating quantity. The system is beneficial to carrying out real-time reconstruction, record, analysis and judgment on the crystallizer vibration amplitude and horizontal oscillation, thereby providing the reliable evidences for the technicians to regulate and maintain the crystallizer.
Description
Technical field
The present invention relates to the vibration detection field, crystallizer of portable conticaster amplitude and horizontal hunting measuring system that to be the technical staff provide reliable basis to the adjustment and the maintenance of crystallizer.
Background technology
Crystallizer is a conticaster equipment, its function is that the high-temperature molten steel that continuously injects its inner chamber is forced cooling by the water-cooled copper wall, derive its heat, make it the shelly that solidify out into gradually has the section configuration of requirement, and this core is still continuously pulled out from the crystallizer end opening for liquid strand, create conditions for solidifying fully in its secondary cooling zone territory afterwards.And the mould vibration device major function is that crystallizer is moved by given amplitude, frequency and waveform deflection characteristic camber line outside conticaster, realize " demoulding ", prevent that strand from bonding taking place and cause occurring sticking the bleed-out accident with the crystallizer copper wall in process of setting.So the vibration parameters of vibrating device or crystallizer and vibration shape (as: size of amplitude and frequency, stability, torsional oscillation, phase difference etc.) are the key parameters of decision slab quality and normal safety.Therefore the vibration characteristics of mould vibration device or crystallizer is analyzed and monitored and to help casting machine ordinary production, raising slab quality and output.
Existing mould vibration device is in use and maintenance is safeguarded, owing to lack the actual vibration parameter test data of mould vibration device, cause the technical staff when mould vibration device work is undesired, can't judge causing the abnormal reason of work specifically where, can not carry out maintenance targetedly.
Summary of the invention
The purpose of this invention is to provide a kind of crystallizer of portable conticaster amplitude and horizontal hunting measuring system, so that can reproduce in real time, write down, analyze and judge, for the technical staff provides reliable basis to the adjustment and the maintenance of crystallizer to crystallizer vibration amplitude and horizontal hunting.
Technical scheme of the present invention is: crystallizer of portable conticaster amplitude and horizontal hunting measuring system, which comprises at least vertical displacement sensor and horizontal displacement sensors and processing and analysis unit, it is characterized in that: vertical displacement sensor and horizontal displacement sensors are distributed in the mold oscillation platform, the mold oscillation platform of conticaster is with the frequency vibration of 0.35-6Hz, processing and analysis unit is with each vertical displacement sensor of gathering distribution greater than the employing speed of mold oscillation platform vibration frequency synchronously and the vertical vibration amount and the horizontal pendulum momentum signal of horizontal displacement sensors, by mold oscillation platform amplitude and the frequency influence relation of processing and analysis unit by slab quality and conticaster are obtained in the processing and the analysis of vertical vibration amount and horizontal pendulum momentum.
Described vertical vibration amount is after carrying out filtering by the signal to the vertical displacement sensor, to obtain data signal through 24 A/D converters again, and data signal is input to that processing and analysis unit is handled and analysis obtains.
Described horizontal pendulum momentum is after carrying out filtering by the signal to horizontal displacement sensors, to obtain data signal through 24 A/D converters again, and data signal is input to that processing and analysis unit is handled and analysis obtains.
Described vertical vibration and horizontal pendulum momentum are to measure by the following method:
If A
0Be center line amplitude (mm); R0 is casting machine radius (m); L
1, L
2Be inner arc measuring point Z
1, Z
2Apart from distance between center line (m); L
3, L
4Be outer arc measuring point Z
3, Z
4Distance (m) apart from center line; A
0iBe Z
iThe amplitude design load; Can calculate by following formula:
(1)A
0i＝A
0×(R
0-L
i)/R
0(mm) i＝1，2
(2)A
0i＝A
0×(R
0+L
i)/R
0(mm) i＝3，4
(3) if actual measurement vibration peak value is Z
Imax, the low valley of vibration is Z
Imin, then survey amplitude and be
A
i＝(Z
imax-Z
imin)/2 i＝1，2，3，4
In like manner as can be known, horizontal play deviate is exactly the measured value of horizontal hunting, that is:
(4)AXi＝(Ximax-Ximin)/2 i＝1，2
AY＝(Ymax-Ymin)/2
Described vertical displacement sensor and horizontal displacement sensors install 1 as follows) 2 vertical direction; 2) 2 vertical direction, 2 horizontal directions; 3) 4 vertical direction; 2 horizontal directions; 4) 4 vertical direction; 4 horizontal directions.
Advantage of the present invention is: by vertical displacement sensor and horizontal displacement sensors (installing 1 as follows) 2 vertical direction are installed; 2) 2 vertical direction, 2 horizontal directions; 3) 4 vertical direction; 2 horizontal directions; 4) 4 vertical direction; 4 horizontal directions.At the diverse location of mold oscillation platform 1, the mold oscillation platform of conticaster is with the frequency vibration of 0.35-6Hz.Its vibration information is obtained the amplitude and the horizontal hunting of conticaster crystallizer vibrating device through anti-interference filter, 24 A/D converter, dynamic signal acquisition device and power circuit, processing and analysis software.By mold oscillation platform amplitude and the frequency influence relation that slab quality and conticaster are obtained in the processing and the analysis of vertical vibration amount and horizontal pendulum momentum.
Description of drawings
Below in conjunction with the embodiment accompanying drawing invention is described further.
Fig. 1 is embodiment 1 structural representation;
Fig. 2 is embodiment 2 structural representations;
Fig. 3 is embodiment 3 structural representations;
Fig. 4 is the displacement sensor structure schematic diagram;
Fig. 5 is a dynamic signal acquisition device structural representation.
Among the figure: 1, mold oscillation platform; 2, the first vertical displacement sensor; 3, the second vertical displacement sensor; 4, the 3rd vertical displacement sensor; 5, the 4th vertical displacement sensor; 6, processing and analysis unit; 7, anti-interference filter; 8,24 A/D converters; 9, dynamic signal acquisition device; 10, first horizontal displacement sensors; 11, second horizontal displacement sensors; 12, the 3rd horizontal displacement sensors; 13, the 4th horizontal displacement sensors; 14, wireless or wired; 15, housing; 16, sensor; 17, single-chip microcomputer; 18, interface circuit.
The specific embodiment
As shown in Figure 1, crystallizer of portable conticaster amplitude and horizontal hunting measuring system, which comprises at least vertical displacement sensor and horizontal displacement sensors and processing and analysis unit 6, at mold oscillation platform 1 two-way low frequency vertical displacement transducer is installed along its length, the first vertical displacement sensor 2, the second vertical displacement sensor 3, the vibration signal that the first vertical displacement sensor 2 and the second vertical displacement sensor 3 provide carries out filtering through anti-interference filter 7 to be handled, deliver to 24 A/D converters 8 and carry out analog-to-digital conversion, the first vertical displacement sensor 2 and the second vertical displacement sensor 3 are after 24 A/D converters 8 carry out analog-to-digital conversion, by sending processing and analysis unit 6 to carry out analyzing and processing after 9 collections of dynamic signal acquisition device, obtain the vibration signal of conticaster crystallizer vibrating device.The diverse location that 2 low frequency vertical displacement transducers are distributed in mold oscillation platform 1 is installed in this embodiment, the mold oscillation platform 1 of conticaster is with the frequency vibration of 0.35-6Hz, the first vertical displacement sensor 2 and the second vertical displacement sensor 3 are constantly exported the frequency information of vertical vibration continuously, 24 A/D converters 8 are through quick 24 analog-to-digital conversion at a high speed, dynamic signal acquisition device 9 send processing and analysis unit 6 to carry out analyzing and processing with the signal (greater than the 10 multiplying power speed of mold oscillation platform 1 vibration frequency 0.35-6Hz) of frequency collection mold oscillation platform 1 each collection point of suitable sampling law.
Described vertical vibration and horizontal pendulum momentum are to measure by the following method:
If A
0Be center line amplitude (mm); R0 is casting machine radius (m); L
1, L
2Be inner arc measuring point Z
1, Z
2Apart from distance between center line (m); L
3, L
4Be outer arc measuring point Z
3, Z
4Distance (m) apart from center line; A
0iBe Z
iThe amplitude design load; Can calculate by following formula:
(1)A
0i＝A
0×(R
0-L
i)/R
0(mm) i＝1，2
(2)A
0i＝A
0×(R
0+L
i)/R
0(mm) i＝3，4
(3) if actual measurement vibration peak value is Z
Imax, the low valley of vibration is Z
Imin, then survey amplitude and be
A
i＝(Z
imax-Z
imin)/2 i＝1，2，3，4
In like manner as can be known, horizontal play deviate is exactly the measured value of horizontal hunting, that is:
(4)AXi＝(Ximax-Ximin)/2 i＝1，2
AY＝(Ymax-Ymin)/2
As shown in Figure 2, crystallizer of portable conticaster amplitude and horizontal hunting measuring system, which comprises at least vertical displacement sensor and horizontal displacement sensors and processing and analysis unit 6, at mold oscillation platform 1 four road low frequency displacement transducers are installed, the first vertical displacement sensor 2 and the second vertical displacement sensor, 3, the first horizontal displacement sensors 10, second horizontal displacement sensors 11; The vibration signal that the first vertical displacement sensor 2, the second vertical displacement sensor 3 and first horizontal displacement sensors 10, second horizontal displacement sensors 11 provide carries out filtering through anti-interference filter 7 to be handled, deliver to 24 A/D converters 8 and carry out analog-to-digital conversion, after 24 A/D converters 8 carry out analog-to-digital conversion, by sending processing and analysis unit 6 to carry out analyzing and processing after 9 collections of dynamic signal acquisition device, obtain the vibration phase of conticaster crystallizer vibrating device.Four low frequency displacement transducers are installed in this embodiment, 2 levels and 2 vertical distribution are at the diverse location of mold oscillation platform 1, the mold oscillation platform 1 of conticaster is with the frequency vibration of 0.35-6Hz, the first vertical displacement sensor 2, the second vertical displacement sensor 3, first horizontal displacement sensors 10, second horizontal displacement sensors 11, constantly export the frequency information of vertical and horizontal vibration continuously, 24 A/D converters 8 are through quick 24 analog-to-digital conversion at a high speed, dynamic signal acquisition device 9 send processing and analysis unit 6 to carry out analyzing and processing with the signal (greater than the 10 multiplying power speed of mold oscillation platform 1 vibration frequency 0.35-6Hz) of each mold oscillation platform 1 collection point of frequency collection of suitable sampling law.
As shown in Figure 3, crystallizer of portable conticaster amplitude and horizontal hunting measuring system, which comprises at least vertical displacement sensor and horizontal displacement sensors and processing and analysis unit 6, at mold oscillation platform 1 eight road low frequency displacement transducers are installed, the first vertical displacement sensor 2, the second vertical displacement sensor 3, the 3rd vertical displacement sensor 4, the 4th vertical displacement sensor 5 and first horizontal displacement sensors 10, the second horizontal level sensor 11, the 3rd horizontal displacement sensors 12 and the 4th horizontal displacement sensors 13, the first vertical displacement sensor 2, the second vertical displacement sensor 3, the 3rd vertical displacement sensor 4, the 4th vertical displacement sensor 5 and first horizontal displacement sensors 10, second horizontal displacement sensors 11, the vibration signal that the 3rd horizontal displacement sensors 12 and the 4th horizontal displacement sensors 13 provide carries out filtering through anti-interference filter 7 to be handled, deliver to 24 A/D converters 8 and carry out analog-to-digital conversion, after 24 A/D converters 8 carry out analog-to-digital conversion, by sending processing and analysis unit 6 to carry out analyzing and processing after 9 collections of dynamic signal acquisition device, obtain the vibration phase of conticaster crystallizer vibrating device.Eight low frequency displacement transducers are installed in this embodiment, 4 levels and 4 vertical distribution are at the diverse location of mold oscillation platform 1, the mold oscillation platform 1 of conticaster is with the frequency vibration of 0.35-6Hz, the first vertical displacement sensor 2, the second vertical displacement sensor 3, the 3rd vertical displacement sensor 4, the 4th vertical displacement sensor 5, first horizontal displacement sensors 10, second horizontal displacement sensors 11, the 3rd horizontal displacement sensors 12 and the 4th horizontal displacement sensors 13 are constantly exported the frequency information of vertical and horizontal vibration continuously, 24 A/D converters 8 are through quick 24 analog-to-digital conversion at a high speed, dynamic signal acquisition device 9 send processing and analysis unit 6 to carry out analyzing and processing with the signal (greater than the 10 multiplying power speed of mold oscillation platform 1 vibration frequency 0.35-6Hz) of each mold oscillation platform 1 collection point of frequency collection of suitable sampling law.
Correlation analysis has very strong inhibition ability for interference such as direct current offset in the sample conversion signal and noises, its error mainly is to adopt the sample of finite length to replace white Gaussian noise and equally distributed A/D quantization error, makes that tested sinusoidal signal and noise signal are not uncorrelated fully.So measure error is relevant with sampling number, the signal to noise ratio of above-mentioned implementation process explanation signal is relevant with the A/D figure place, and under the situation that the A/D figure place is fixed, increase sampling number and raising sample frequency all can improve certainty of measurement.This kind method can adapt to the variation of measured signal preferably, and error is less.
No matter be four tunnel vertical displacement sensors, still can be between four road horizontal displacement sensors and the processing and analysis unit 6 by wireless or wired 14 be electrically connected, wireless have characteristics easy for installation, and wired have the advantages that synchronism is not influenced by radio transmitter and wireless receiving circuit hardware.But no matter adopt any mode, processing and analysis unit 6 must truly be described the 0.35-6Hz vibration frequency of mold oscillation platform 1 to the collection of each road vertical displacement sensor signal except considering acquisition time, also will consider the sequential relationship between each road, finally having each road collection letter described is the vibration signal of the same vibration source of same time.
Among the present invention, vertical displacement sensor and horizontal displacement sensors can be as shown in Figure 4, sensor 16 is arranged in housing 15, anti-interference filter 7, with 24 A/D converters 8 of high speed and single-chip microcomputer 17, vertical displacement sensor and horizontal displacement sensors are that sensor 16 is arranged in housing 15, anti-interference filter 7, with 24 A/D converters 8 of high speed and single-chip microcomputer 17, sensor 16 is electrically connected with the input port of anti-interference filter 7, anti-interference filter 7 delivery outlets are electrically connected with the input port of high-speed a/d converter 8, the delivery outlet of high-speed a/d converter 8 is electrically connected with the control mouth and the data port of single-chip microcomputer 17, exports displacement or vibration signals by dynamic signal acquisition device 9 to processing and analysis unit 6 by single-chip microcomputer 17.This is a kind of vertical displacement sensor of the formula that becomes one, and it outwards directly exports the vibration signal of vibration source, and this embodiment is owing to too high being out of favour of price of high-speed a/d converter 8.Another kind of mode is that vertical displacement sensor and horizontal displacement sensors have only sensor 16 and anti-interference filter 7, the vibration signal of vibration source is given dynamic signal acquisition device 9, and dynamic signal acquisition device 9 as shown in Figure 5, and dynamic signal acquisition device 9 comprises: anti-interference filter 7,24 A/D converters 8 of high speed and interface circuit 18.The output of anti-interference filter 7 is electrically connected with the input port of 24 A/D converters 8 of high speed, the delivery outlet of 24 A/D converters 8 of high speed is delivered to processing and analysis unit 6 by interface circuit 18 with final signal and is analyzed, and processing and analysis unit 6 is to embed the computer that analysis software is arranged.
Vertical displacement sensor and horizontal displacement sensors are to make its output characteristics reduce to 1/20～1/40 of wave detector intrinsic frequency by the low frequency expanded circuit geophone.The transfer function of geophone is a second order high pass link, and its intrinsic frequency depends on the quality suspension.In being lower than the frequency range of its intrinsic frequency, the output signal of telecommunication is very little, can't do low frequency vibration measurement., the output of wave detector is proofreaied and correct through the LFC low-frequency correction circuit, the transfer function after overcorrect remains a high pass link for this reason, and its intrinsic frequency and damping ratio are determined by circuit parameter fully.Can make its intrinsic frequency reduce to 1/20～1/40 of former wave detector during design circuit, and adopt optimum damping ratio.
The technical parameter of vertical displacement sensor and horizontal displacement sensors is as follows:
Hz-KHz: 0.35Hz-200Hz
Sensitivity: 1mv/ μ m
Range: ± 10mm
Power supply: ± 6-± 12VDC
Appearance and size: φ 60 * 90mm.
Claims (8)
1. crystallizer of portable conticaster amplitude and horizontal hunting measuring system, which comprises at least vertical displacement sensor and horizontal displacement sensors and processing and analysis unit (6), it is characterized in that: vertical displacement sensor and horizontal displacement sensors are distributed in mold oscillation platform (1), the mold oscillation platform (1) of conticaster is with the frequency vibration of 0.35-6Hz, processing and analysis unit (6) is with each vertical displacement sensor of gathering distribution greater than the employing speed of mold oscillation platform vibration frequency synchronously and the vertical vibration amount and the horizontal pendulum momentum signal of horizontal displacement sensors, by mold oscillation platform (1) amplitude and the frequency influence relation of processing and analysis unit (6) by slab quality and conticaster are obtained in the processing and the analysis of vertical vibration amount and horizontal pendulum momentum.
2. crystallizer of portable conticaster amplitude according to claim 1 and horizontal hunting measuring system, it is characterized in that: described vertical vibration amount is after carrying out filtering by the signal to the vertical displacement sensor, obtain data signal through 24 A/D converters (8) again, data signal is input to that processing and analysis unit (6) is handled and analysis obtains.
3. crystallizer of portable conticaster amplitude according to claim 1 and horizontal hunting measuring system, it is characterized in that: described horizontal pendulum momentum is after carrying out filtering by the signal to horizontal displacement sensors, obtain data signal through 24 A/D converters (8) again, data signal is input to that processing and analysis unit (6) is handled and analysis obtains.
4. crystallizer of portable conticaster amplitude according to claim 1 and horizontal hunting measuring system is characterized in that: described vertical vibration and horizontal pendulum momentum are to measure by the following method:
If A
0Be center line amplitude (mm); R0 is casting machine radius (m); L
1, L
2Be inner arc measuring point Z
1, Z
2Apart from distance between center line (m); L
3, L
4Be outer arc measuring point Z
3, Z
4Distance (m) apart from center line; A
0iBe Z
iThe amplitude design load; Can calculate by following formula:
(1) A
0i＝A
0×(R
0-L
i)/R
0(mm) i＝1，2
(2) A
0i＝A
0×(R
0+L
i)/R
0(mm) i＝3，4
(3) if actual measurement vibration peak value is Z
Imax, the low valley of vibration is Z
Imin, then survey amplitude and be
A
i＝(Z
imax-Z
imin)/2 i＝1，2，3，4
In like manner as can be known, horizontal play deviate is exactly the measured value of horizontal hunting, that is:
(4)AXi＝(Ximax-Ximin)/2 i＝1，2
AY＝(Ymax-Ymin)/2。
5. crystallizer of portable conticaster amplitude according to claim 1 and horizontal hunting measuring system is characterized in that: described vertical displacement sensor and horizontal displacement sensors install 1 as follows) 2 vertical direction; 2) 2 vertical direction, 2 horizontal directions; 3) 4 vertical direction; 2 horizontal directions; 4) 4 vertical direction; 4 horizontal directions.
6. crystallizer of portable conticaster amplitude according to claim 1 and horizontal hunting measuring system, it is characterized in that: described vertical displacement sensor and horizontal displacement sensors are that sensor (16) is arranged in housing (15), anti-interference filter (7), with 24 high-speed a/d converters (8) and single-chip microcomputer (17), sensor (16) is electrically connected with the input port of anti-interference filter (7), anti-interference filter (7) delivery outlet is electrically connected with the input port of 24 A/D converters of high speed (8), the delivery outlet of 24 A/D converters (8) is electrically connected with the control mouth and the data port of single-chip microcomputer (17) at a high speed, exports displacement or vibration signal by dynamic signal acquisition device (9) to processing and analysis unit (6) by single-chip microcomputer (17).
7. crystallizer of portable conticaster amplitude according to claim 1 and horizontal hunting measuring system is characterized in that: described vertical displacement sensor and horizontal displacement sensors are to have sensor (16), anti-interference filter (7), anti-interference filter (7) to export displacement or vibration signal by dynamic signal acquisition device (9) to processing and analysis unit (6) in housing (15).
8. crystallizer of portable conticaster amplitude according to claim 7 and horizontal hunting measuring system, it is characterized in that: described dynamic signal acquisition device (9) comprises anti-interference filter (7), high-speed a/d converter (8) and interface circuit (18), the output of anti-interference filter (7) is electrically connected with the input port of 24 A/D converters of high speed (8), the delivery outlet of 24 A/D converters of high speed (8) is delivered to processing and analysis unit (6) by interface circuit (18) with final signal and is analyzed, and processing and analysis unit (6) is to embed the computer that analysis software is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910219274A CN101712070A (en) | 2009-12-17 | 2009-12-17 | Portable crystallizer vibration amplitude and horizontal oscillation measuring system of continuous caster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910219274A CN101712070A (en) | 2009-12-17 | 2009-12-17 | Portable crystallizer vibration amplitude and horizontal oscillation measuring system of continuous caster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101712070A true CN101712070A (en) | 2010-05-26 |
Family
ID=42416276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910219274A Pending CN101712070A (en) | 2009-12-17 | 2009-12-17 | Portable crystallizer vibration amplitude and horizontal oscillation measuring system of continuous caster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101712070A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103121086A (en) * | 2013-02-20 | 2013-05-29 | 内蒙古科技大学 | Crystallizer vibration measuring device |
| CN103894573A (en) * | 2014-03-20 | 2014-07-02 | 攀钢集团攀枝花钢钒有限公司 | Control method for reducing continuous casting machine bleed-out |
| CN114646281A (en) * | 2022-03-11 | 2022-06-21 | 北京海卓博尔科技有限公司 | Crystallizer vibration deflection detection device, detection method and detection system |
-
2009
- 2009-12-17 CN CN200910219274A patent/CN101712070A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103121086A (en) * | 2013-02-20 | 2013-05-29 | 内蒙古科技大学 | Crystallizer vibration measuring device |
| CN103121086B (en) * | 2013-02-20 | 2015-01-21 | 内蒙古科技大学 | Crystallizer vibration measuring device |
| CN103894573A (en) * | 2014-03-20 | 2014-07-02 | 攀钢集团攀枝花钢钒有限公司 | Control method for reducing continuous casting machine bleed-out |
| CN103894573B (en) * | 2014-03-20 | 2016-05-25 | 攀钢集团攀枝花钢钒有限公司 | Reduce the control method of conticaster bleed-out |
| CN114646281A (en) * | 2022-03-11 | 2022-06-21 | 北京海卓博尔科技有限公司 | Crystallizer vibration deflection detection device, detection method and detection system |
| CN114646281B (en) * | 2022-03-11 | 2024-03-12 | 北京海卓博尔科技有限公司 | Crystallizer vibration deflection detection device, detection method and detection system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102416970B (en) | knock detection method of on-line steel rail fracture monitoring system | |
| CA2620006C (en) | Industrial field device with automatic indication of solids | |
| CN101446517A (en) | Method for testing vibration of high-tower structure of transmission line | |
| CN110939040B (en) | Roadbed compaction quality detection method and system based on modal parameter identification | |
| CN112162034B (en) | Steel-concrete combined beam damage identification method applying structural noise | |
| CN109821619A (en) | A kind of ball mill load measuring device based on piezoelectric transducer and wireless transmission | |
| CN101712070A (en) | Portable crystallizer vibration amplitude and horizontal oscillation measuring system of continuous caster | |
| CN207231525U (en) | A kind of concrete pier health monitoring device | |
| CN201572891U (en) | Portable device for measuring amplitude and horizontal swing of crystallizer of continuous casting machine | |
| CN110487909A (en) | A kind of non-intrusion type soil moisture acoustic detector and method | |
| CN109208657A (en) | A kind of low strain dynamic quality testing measuring tool and its test method | |
| CN201622165U (en) | Portable plate blank continuous casting crystallizer vibration detection device | |
| CN108061813A (en) | A kind of bullet train crosswind data measurin system based on five-hole probe | |
| CN100429106C (en) | Force detector and detection method for stress generated by defferent temp of long rail | |
| CN104504911A (en) | Motor vehicle speed measuring device and speed measuring method | |
| CN108318126A (en) | A method of based on rail vertical motion Characteristics Detection railway rail pad rigidity | |
| CN107570692B (en) | A kind of casting technique time data analysis method and its monitoring system of application | |
| CN201028286Y (en) | Pipe real-time monitoring system | |
| CN205981152U (en) | Shield constructs quick -witted hobbing cutter convenient to monitoring cutter grinder damage volume | |
| CN101726355B (en) | Measuring and analyzing system for vibration and vibration phase of crystallizer of portable conticaster | |
| CN203785660U (en) | Wind turbine tower cylinder inclination deformation monitoring device | |
| CN201586735U (en) | Portable device for measuring and analyzing vibration and vibrating phase of crystallizer of continuous casting machine | |
| CN106596025A (en) | Highway tunnel hanging fan base stability detection method and system based on impulse response | |
| CN105499519B (en) | Mold oscillation on-line detection device and its application method | |
| CN103123303A (en) | Quantifying and online monitoring method of bridge girder safe reliability |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20100526 |