CN102854098A - Nozzle granularity laser test apparatus - Google Patents
Nozzle granularity laser test apparatus Download PDFInfo
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- CN102854098A CN102854098A CN201210331556XA CN201210331556A CN102854098A CN 102854098 A CN102854098 A CN 102854098A CN 201210331556X A CN201210331556X A CN 201210331556XA CN 201210331556 A CN201210331556 A CN 201210331556A CN 102854098 A CN102854098 A CN 102854098A
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Abstract
The invention belongs to the technical field of continuous casting test, and relates to a nozzle granularity laser test apparatus. The apparatus comprises a mechanical bench, a nozzle, a laser granularity tester, a measurement and control system computer, a water spraying pipeline, and an air pipeline. The nozzle (2) is arranged on the mechanical bench (1), and is connected to the water spraying pipeline and the air pipeline. The laser granularity tester (3) is arranged below the nozzle (2). A horizontal connection of the laser granularity tester (3), a transmitter (16) and a receiver (15) is in a same plane with the nozzle (2) and is perpendicular to the nozzle (2). A data output line of the laser granularity tester (3) is connected with the measurement and control system computer. The system can be used for testing the granularity of nozzle spray, wherein a testable granularity average diameter is 5-2000mum. Also, a related testing report is generated. The test apparatus provided by the invention has the advantages of convenient operation, high measuring precision, high speed, good representativeness, and good repeatability. The obtained results are closely related to production parameters. The apparatus can provide an instructive function upon continuous casting productions.
Description
Technical field
The invention belongs to the continuous casting technical field of measurement and test, a kind of laser testing nozzle granularity device particularly is provided; For the testing graininess of caster two cold nozzle, can accurately test out the granule size of nozzle spray.
Background technology
At present, nozzle testing graininess system general measure scope is narrower, and measuring accuracy is low, and speed is slow, need to manually regulate the position of nozzle, and automaticity is low, does not also have special proving installation for field of metallurgy nozzle granularity; And the test of field of metallurgy nozzle has very important effect for cooling and the surface quality of studying strand, therefore needs the device that can address this problem badly.
Therefore can overcome the deficiency of above-mentioned proving installation, and the granularity that can be good at the test nozzles spraying is the problem that this patent solves.
Summary of the invention
The object of the present invention is to provide a kind of laser testing nozzle granularity device, the measurement range that has solved above-mentioned prior art is narrower, and measuring accuracy is low, and speed waits problem slowly.Automatically detect the nozzle spray particle property, adopt the laser particle size measurement method, the rheological properties method is mainly measured micron particles, and measurement range is at 5-2000 μ m, acquisition be the equivalent sphere volume distributed median, measure accurately, speed is fast, and is representative strong, good reproducibility.
The present invention includes mechanical stand 1, nozzle 2, laser particle analyzer 3, TT﹠C system computing machine and water pipe and gas piping; Nozzle 2 is installed on the mechanical stand 1, connects water pipe and gas piping; The transmitter 16 of laser particle analyzer 3 and receiver 15 are installed in the both sides of nozzle 2, and transmitter 16 Emission Lasers of laser particle analyzer 3 pass the water smoke of nozzle 2 ejections, are received by the receiver 15 of laser particle analyzer 3; The DOL Data Output Line of the receiver 15 of laser particle analyzer 3 links to each other with the TT﹠C system computing machine.Described laser particle analyzer is comprised of transmitter 16 and receiver 15 two parts, and the data line of laser particle analyzer connects on the TT﹠C system computing machine.
The camera lens multiple of laser particle analyzer 3 of the present invention is divided into: 300,500,800,1000 times four kinds, test particle size diameter scope is: 5-2000 μ m.
TT﹠C system computing machine of the present invention is comprised of signal isolation adjusting tank 4, signal distributor box 5, granularity main frame 6, ups power module 7, motion control case 8; Ups power module 7 connects granularity main frame 6, gives the granularity main frame 6 supply stabilized power sources; The data line of laser particle analyzer 3 connects signal isolation adjusting tank 4, and signal isolation adjusting tank 4 connects signal distributor box 5, and signal distributor box 5 connects granularity main frame 6, and test data is input in the granularity main frame 6; Granularity main frame 6 connects motion control casees 8, and motion control case 8 simultaneously and be connected stand 1 and be connected with solenoid valve 11 plays the effect of controlling mechanical stand 1 and solenoid valve 11.
Special function software is installed on the granularity main frame 6, is mainly comprised nozzle characteristic testing system-granularity system software and laser system software.
Water pipe of the present invention and gas piping comprise water pump 9, variable valve 10, solenoid valve 11, flowmeter 12, air compressor 13, pipeline 14.The water pipe annexation is: water pump 9 connecting tubes 14, and pipeline 14 is connection traffic meter 12 again, and flowmeter 12 is connected electromagnetic valve 11 again, and solenoid valve 11 connects variable valve 10 again, and variable valve 10 is connecting tube 14 again, and pipeline 14 connects nozzle 2 waterpipe jointings again; The gas piping annexation is: air compressor 13 connecting tubes 14, and pipeline 14 is connection traffic meter 12 again, and flowmeter 12 is connected electromagnetic valve 11 again, and solenoid valve 11 connects variable valve 10 again, and variable valve 10 is connecting tube 14 again, and pipeline 14 connects nozzle 2 air pipe interfaces again.
Variable valve can be realized computer control automatic water pressure adjustment, air pressure and discharge and airshed; The range of each duty parameter is respectively: hydraulic pressure 0-1.6MPa, air pressure 0-1.0MPa, discharge 0-1000L/min, airshed 0-600 Nm
3/ h.Discharge, airshed size when needing according to nozzle operation in the test process are selected corresponding flowmeter, and use a variable valve to regulate.
Native system adopts the design of electromechanical integration, and whole process can be undertaken by computer control, and test result directly prints with the form of report, can obtain distribution curve and the data thereof of the droplet size of nozzle after test finishes simultaneously.Test findings can be saved in database, can check the size-grade distribution under different spray nozzles and the different condition in database, compares, thereby obtains being suitable for producing actual nozzle and condition of work.
Of the present inventionly be a little that position and direction that can the full-automatic regulation nozzle be regulated water discharge nozzle and airshed automatically, can utilize the granularity of the accurate gaging nozzle of laser, and automaticity are high, simple to operate, the test result precision is high.
Description of drawings
Fig. 1 is laser testing granularity Plant arrangement synoptic diagram.Machinery stand 1, nozzle 2, laser particle analyzer 3, signal isolation adjusting tank 4, signal distributor box 5, granularity main frame 6, ups power module 7, motion control case 8, water pump 9, variable valve 10, solenoid valve 11, flowmeter 12, air compressor 13, pipeline 14, receiver 15, transmitter 16.
Fig. 2 is nozzle robot brain tool stand synoptic diagram.Nozzle 2, nozzle set bolt 17, nozzle water, vapour flexible pipe 18, move horizontally arm 19, control system case 20, water, air pipe interface 21, vertical sliding swing arm 22, base 23.
Embodiment
Following example is used for setting forth the present invention, but protection scope of the present invention is not limited in following examples.
The present invention includes mechanical stand 1, nozzle 2, laser particle analyzer 3, TT﹠C system computing machine and water pipe and gas piping; Nozzle 2 is installed on the mechanical stand 1, connects water pipe and gas piping; The transmitter 16 of laser particle analyzer 3 and receiver 15 are installed in the both sides of nozzle 2, and transmitter 16 Emission Lasers of laser particle analyzer 3 pass the water smoke of nozzle 2 ejections, are received by the receiver 15 of laser particle analyzer 3; The DOL Data Output Line of the receiver 15 of laser particle analyzer 3 links to each other with the TT﹠C system computing machine.Described laser particle analyzer is comprised of transmitter 16 and receiver 15 two parts, and the data line of laser particle analyzer connects on the TT﹠C system computing machine.
1. nozzle is installed on the mechanical stand, and fixes, regulate level and the vertical range of nozzle according to test request;
2. the adjusting of laser particle analyzer:
(1) opens Laser Power Devices, stablize bright dipping after the laser instrument preheating.Check the quality of laser, if spot center does not work or be inhomogeneous, can open the transmitter top cover, carefully rotate the pin hole set screw.Adjust three transmitter set screw, make the outgoing laser beam level.
(2) centering is adjusted: receiver is moved on to the F=1000mm place, be screwed. and then adjust annulus with two and be put into respectively corresponding position, screwed annulus is pacified to the receiver lens frame, and another does not have threaded annulus to install on the receiver.Then open laser instrument adjustment, adjust the supporting screw of laser instrument bottom, make laser just in time pass two centers of adjusting annulus.According to the sight alignment principle, can determine to be exactly the effect that has reached centering like this.
(3) according to measurement range, select suitable receiver lens.It is 5-584 μ m that objective focal length 300mm measures particle size range; It is 9-975 μ m that objective focal length 500mm measures particle size range; It is 14-1579 μ m that objective focal length 800mm measures particle size range; It is 18-2000 μ m that objective focal length 800mm measures particle size range.
(4) according to the focal length of selected receiver lens, determine the position of receiver, its position from the close-by examples to those far off is followed successively by F=300, F=500, F=800, F=1000 from transmitter.Receiver installation method: according to lens focus, shift receiver onto correspondence position, and screw clamp-screw.
(5) open the receiver power supply switch, and open computer power supply, operation testing graininess software, click master menu " selection focal length " and " centering " button, carry out centering by the horizontal adjustment button of regulating on the receiver with vertical adjustment button, it is the most desirable that waveform is reduced to from left to right successively, then gathers background.
3. according to the working condition of test needs, set the parameter (Nm such as hydraulic pressure (MPa), air pressure (MPa), discharge (L/min), airshed of nozzle
3/ h), the range of each duty parameter is respectively: hydraulic pressure 0-1.6MPa, air pressure 0-1.0MPa, discharge 0-1000L/min, airshed 0-600 Nm
3/ h; Carry out data acquisition.
4. after being completed, after the data that the nozzle spray granularity collects through the laser testing instrument were processed through information distribution case, information isolation conditioning case, the input computing machine carried out data analysis and process, obtains the particle size distribution characteristic figure of nozzle.
Claims (7)
1. a nozzle laser particle size measurement device comprises mechanical stand, nozzle, laser particle analyzer, TT﹠C system computing machine and water pipe and gas piping; It is characterized in that: nozzle (2) is installed on the mechanical stand (1), connects water pipe and gas piping; Laser particle analyzer (3) is installed in below the nozzle (2), and the horizontal line of laser particle analyzer (3), transmitter (16) and receiver (15) and nozzle (2) are in same plane and vertical with nozzle; The DOL Data Output Line of laser particle analyzer (3) links to each other with the TT﹠C system computing machine.
2. device according to claim 1, it is characterized in that: described nozzle (2) is mobile, driven by the mechanical arm on the mechanical stand (1), can carry out parallel with vertical mobile, the moving range of nozzle (2) is: X:200mm Z:250mm.
3. device according to claim 1, it is characterized in that: the camera lens multiple of described laser particle analyzer (3) is divided into: 300,500,800,1000 times four kinds, test particle size diameter scope is: 5-2000 μ m.
4. device according to claim 1 is characterized in that: the TT﹠C system computing machine is isolated adjusting tank (4), signal distributor box (5), granularity main frame (6), ups power module (7), motion control case (8) by signal and is formed; Ups power module (7) connects granularity main frame (6); The data line of laser particle analyzer (3) connects signal isolation adjusting tank (4), and signal isolation adjusting tank (4) connects signal distributor box (5), and signal distributor box (5) connects granularity main frame (6); Granularity main frame (6) connects motion control case (8), motion control case (8) simultaneously be connected stand (1) and be connected with solenoid valve (11).
5. device according to claim 4 is characterized in that: granularity main frame (6) is upper installs special function software, and described special function software comprises nozzle characteristic testing system-granularity system software and laser system software.
6. device according to claim 1, it is characterized in that: water pipe and gas piping system comprise water pump 9, variable valve 10, solenoid valve 11, flowmeter 12, air compressor 13, pipeline 14; The water pipe annexation is: water pump (9) connecting tube (14), pipeline (14) is connection traffic meter (12) again, flowmeter (12) is connected electromagnetic valve (11) again, (110 connect variable valve (10) to solenoid valve again, variable valve (10) is connecting tube (14) again, and pipeline (14) connects nozzle (2) waterpipe jointing again; The gas piping annexation is: air compressor (13) connecting tube (14), pipeline (14) is connection traffic meter (12) again, flowmeter (12) is connected electromagnetic valve (11) again, solenoid valve (11) connects variable valve (10) again, variable valve (10) again connecting tube (140, pipeline (14) connects nozzle (2) air pipe interface again.
7. device according to claim 6, it is characterized in that: the range of the hydraulic pressure of water pipe and gas piping system, air pressure, discharge and airshed is respectively: hydraulic pressure 0-1.6MPa, air pressure 0-1.0MPa, discharge 0-1000L/min, airshed 0-600 Nm
3/ h.
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| CN201210331556.XA CN102854098B (en) | 2012-09-07 | 2012-09-07 | Nozzle granularity laser test apparatus |
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| CN201210331556.XA CN102854098B (en) | 2012-09-07 | 2012-09-07 | Nozzle granularity laser test apparatus |
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| CN102854098B CN102854098B (en) | 2014-07-23 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698256A (en) * | 2013-12-25 | 2014-04-02 | 浙江大学 | Method and device for on-line measurement of liquid spraying through full-field rainbow |
| CN103842797A (en) * | 2013-05-10 | 2014-06-04 | 浙江大学 | One-dimensional full-field rainbow measurement device and measurement method |
| CN104181083A (en) * | 2014-08-27 | 2014-12-03 | 天津商业大学 | Spray characteristic parameter detection device and method |
| CN104181086A (en) * | 2014-08-27 | 2014-12-03 | 天津商业大学 | Two-dimensional scanning detection device and method for atomized particle size distribution |
| CN104865171A (en) * | 2015-06-04 | 2015-08-26 | 南京林业大学 | System for dynamically testing nozzle-atomized three-dimensional liquid drop particle size spectra and application method for system |
| CN109115485A (en) * | 2018-10-23 | 2019-01-01 | 中国恩菲工程技术有限公司 | Nozzle performance test macro |
| CN109141864A (en) * | 2018-10-23 | 2019-01-04 | 中国恩菲工程技术有限公司 | Nozzle performance test macro |
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| CN101934299A (en) * | 2010-08-17 | 2011-01-05 | 大连康丰科技有限公司 | Continuous extrusion equipment using atomization cooling technology and cooling method |
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| US4329054A (en) * | 1979-08-16 | 1982-05-11 | Spectron Development Laboratories, Inc. | Apparatus for sizing particles, droplets or the like with laser scattering |
| CN1424569A (en) * | 2001-12-12 | 2003-06-18 | 株式会社堀场制作所 | Testing device and method for dry particle size distribution |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103842797A (en) * | 2013-05-10 | 2014-06-04 | 浙江大学 | One-dimensional full-field rainbow measurement device and measurement method |
| WO2014179976A1 (en) * | 2013-05-10 | 2014-11-13 | 浙江大学 | One-dimensional global rainbow measurement apparatus and measurement method |
| CN103842797B (en) * | 2013-05-10 | 2015-10-21 | 浙江大学 | One dimension whole audience rainbow measurement mechanism and measuring method |
| CN103698256A (en) * | 2013-12-25 | 2014-04-02 | 浙江大学 | Method and device for on-line measurement of liquid spraying through full-field rainbow |
| CN104181083A (en) * | 2014-08-27 | 2014-12-03 | 天津商业大学 | Spray characteristic parameter detection device and method |
| CN104181086A (en) * | 2014-08-27 | 2014-12-03 | 天津商业大学 | Two-dimensional scanning detection device and method for atomized particle size distribution |
| CN104181086B (en) * | 2014-08-27 | 2016-06-22 | 天津商业大学 | A kind of spray particle diameter distribution two-dimensional scan detecting device and detection method |
| CN104865171A (en) * | 2015-06-04 | 2015-08-26 | 南京林业大学 | System for dynamically testing nozzle-atomized three-dimensional liquid drop particle size spectra and application method for system |
| CN109115485A (en) * | 2018-10-23 | 2019-01-01 | 中国恩菲工程技术有限公司 | Nozzle performance test macro |
| CN109141864A (en) * | 2018-10-23 | 2019-01-04 | 中国恩菲工程技术有限公司 | Nozzle performance test macro |
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Address after: 100041 Shijingshan Road, Shijingshan District, Shijingshan District, Beijing Patentee after: Shougang Group Co. Ltd. Address before: 100041 Shijingshan Road, Shijingshan District, Shijingshan District, Beijing Patentee before: Capital Iron & Steel General Company |
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