CN103163169A - Reciprocating type ore pulp sampling device and method of X fluorescence multielement analyzer in process of calibrating - Google Patents
Reciprocating type ore pulp sampling device and method of X fluorescence multielement analyzer in process of calibrating Download PDFInfo
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- CN103163169A CN103163169A CN2012104551771A CN201210455177A CN103163169A CN 103163169 A CN103163169 A CN 103163169A CN 2012104551771 A CN2012104551771 A CN 2012104551771A CN 201210455177 A CN201210455177 A CN 201210455177A CN 103163169 A CN103163169 A CN 103163169A
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Abstract
The invention relates to a reciprocating type ore pulp sampling device and a method of an X fluorescence multielement analyzer in the process of calibrating. The purpose of sampling is achieved by a manner that a programmable logic controller (PLC) controls a sampling funnel to transversely cross overflowing ore pulp in a launder. At the beginning of sampling, the PLC controls a sampling motor to rotate clockwise or rotate anticlockwise through a transducer to enable a sliding block to drive the sampling funnel to slide leftwards or rightwards between a left limit position and a right limit position through an oscillating bar until measuring time is up and sampling is not needed. After the sampling is finished, the sliding block is placed at the left limit position or the right limit position, and the sampling funnel is stopped below a left rubber baffle or a right rubber baffle. According to the reciprocating type ore pulp sampling device and the method of the X fluorescence multielement analyzer in the process of calibrating, a worker does not need to sample, sampling quantity is stable, representativeness is good, and the sampling time well corresponds to the measuring time of the device.
Description
Technical field
The present invention relates to the online fluid foods automatic sampling device of a kind of industry and method, relate to specifically a kind of industry in automatic sampling device and the method for stream X-fluorescence multielement analysis instrument in calibration process.
Background technology
In the production run of the various fields such as China's metallurgy, non-ferrous metal, mine, building materials, in raw material, the proportioning of various elements plays a part crucial to product quality.At present based on patented technology " detect multielement analysis device and method at stream " (patent No.: 200710010105.5) well realized real-time detection to each component content of material stream at stream X-fluorescence multielement analysis instrument, carry out again chemico-analytic loaded down with trivial details program after having broken away from hand sampling, greatly improved production efficiency.
But owing to needing instrument is demarcated before formally coming into operation at stream X-fluorescence multielement analysis instrument, and need instrument is calibrated after using certain time limit.Concrete way be with apparatus installation after the related process point of production line is upper, by the material in actual production process is detected, the result of calculation of corresponding count information and former mathematical model under instrument record, compare with the laboratory chemical analysis results of these materials, progressively revise the correlation parameter in the mathematical model of instrument, make the final use error of instrument satisfy on-the-spot application requirements.
This just requires to be got the laboratory and carries out chemico-analytic material sample, have good homogeneity and representativeness with the measured material of instrument, otherwise with grievous injury meter calibration effect.Especially the laboratory chemical analysis can only be analyzed for amount seldom, and in commercial production often the flow of material reach per hour tens cubic metres, how to get homogeneity and representativeness and all well expect sample, be a difficult problem that is perplexed in this quasi-instrument calibration process always.
In the calibration process of instrument, mode that adopt or hand sampling namely repeatedly dips with band handle container in the Flow of Goods and Materials process and expects to flow and collect one to be used from the laboratory chemical analysis at present.This process is affected by human factors larger, also there is some difference in different personnel's samplings, and sampling and the time deviation of measuring are also larger, and the error that causes bringing in the industry spot hand sampling often accounts for the very most of of whole analytic process cumulative errors, far above Error and Assay.Therefore industrial dynamics material stream is carried out the instrument automatic sampling very necessary.
Summary of the invention
The present invention is directed to and have now in stream X-fluorescence multielement analysis instrument existing defective, proposes a kind of for industry in automatic sampling device and the method for stream X-fluorescence multielement analysis instrument in use and calibration process
The technical solution adopted in the present invention is:
When sampling system is not worked at ordinary times, slide block 3 will rest on limit on the left position or limit on the right-right-hand limit position, sampling funnel 7 is parked in below left rubber baffle 21 or right rubber baffle 22, when ore pulp from the top of front apron 23 and the regional overflow between left rubber baffle 21 and right rubber baffle 22 when entering ore discharge storehouse 27, to not have the narrow orifice that ore pulp can sampled funnel 7 to receive, there is no the flow of slurry sample funnel 7 of keeping forging ahead.
when sampling system is worked, slide block 3 will be done between limit on the left position and limit on the right-right-hand limit position and reciprocatingly slide, slide block 3 drives by fork 6 and makes sampling funnel 7 do same to-and-fro movement, when ore pulp from the top of front apron 23 and the regional overflow between left rubber baffle 21 and right rubber baffle 22 when entering ore discharge storehouse 27, sampling funnel 7 will be constantly along repeatedly streaking flow of slurry perpendicular to the direction of flow of slurry, the narrow orifice of sampling funnel 7 is met to flow of slurry, to there be the part flow of slurry to flow into sampling funnel 7 by the narrow orifice of sampling funnel 7, and through the final sample bucket 12 that flows into of rubber hose 13.
The duty of whole sampling system is controlled by PLC.By Frequency Converter Control take a sample motor 14 rotating speed and turn to, realize the control to translational speed and the direction of slide block 3, and cross and control final sampling amount by the translational speed of adjusting slider 3.Whether be in limit on the left position or limit on the right-right-hand limit position by left limit switch 1 and the right limit switch 2 judgement sampling funnel 7 that whether is triggered.
When beginning sampling, PLC makes slide block 3 drive sampling funnels 7 by fork 6 to slide to the left or to the right between limit on the left position and limit on the right-right-hand limit position by Frequency Converter Control motor 14 forward or reverse of take a sample, until Measuring Time finishes to need not to continue to take a sample.After sampling finished, slide block 3 was in limit on the left position or limit on the right-right-hand limit position, and sampling funnel 7 is parked in the below of left rubber baffle 21 or right rubber baffle 22.
The specific works process is:
When to demarcate at stream X-fluorescence multielement analysis instrument or with the work of laboratory analysis result contrast in need to be when measuring during sampling, press sampling and select button, the startup system, when stream X-fluorescence multielement analysis instrument begins the ore pulp in chute 24 is measured, make slide block 3 by fork 6 drives take a sample funnels 7 to the left slide and judge whether trigger left limit switch 1 by controls motor 14 forwards of take a sample when PLC judgement; If slide block 3 directly triggers left limit switch 1 in the limit on the left position; Control sampling motor 14 stops operating when PLC judgement left limit switch 1 has triggered.PLC continues to judge whether Measuring Time finishes, if Measuring Time has finished the end of taking a sample; If do not finish sample time, PLC continue to control 14 counter-rotatings of sampling motor and makes slide block 3 drive sampling funnels 7 by fork 6 to slide to the right and judge whether to trigger right limit switch 2, controlling sampling motor 14 and stop operating when PLC judgement right limit switch 2 has triggered.PLC continues to judge whether Measuring Time finishes, if Measuring Time has finished the end of taking a sample; If do not finish sample time, PLC continuation control sampling motor 14 forwards slide slide block 3 left and repeat aforementioned judgement and step, until Measuring Time finishes.
The invention has the beneficial effects as follows: realize automatic sampling, automatically control by PLC, can move sample by mechanical convection and take a sample online, avoided hand sampling, save human cost; Sample time is accurate, by timer setting-up time in PLC, can accurately control the initial and concluding time of sampling, realizes taking a sample and synchronizes with instrumental analysis; Sampling amount is stable, and the reciprocating type sampling of mechanical hook-up is more stable with respect to manual sampling sampling amount in setting-up time; By this device effectively lowering apparatus in the sampling error of sampling in modeling, demarcation and collation process.
Description of drawings:
Fig. 1 is apparatus structure schematic diagram of the present invention
Fig. 2 is the vertical view of chute
Fig. 3 is the structure cut-open view of sampling running part
Fig. 4 is the structural representation of sampling funnel
Fig. 5 is the A-A view of sampling funnel
Fig. 6 is the vertical view of sampling funnel
Fig. 7 is PLC input wiring diagram of the present invention
Fig. 8 is PLC output end wiring figure of the present invention
Fig. 9 is PLC electrical apparatus control system process flow diagram of the present invention
In figure: 1 left limit switch, 2 right limit switches, 3 slide blocks, cylinder slide rail on 4,5 times cylinder slide rails, 6 forks, 7 sampling funnels, 8 backboards, 9 feed pipes, 10 discharge gates, 11 discharge nozzles, 12 sample buckets, 13 rubber hose, 14 sampling motors, 15 left synchronous pulleys, 16 right synchronous pulleys, 17 Timing Belts, 18 frameworks, 19 protective covers, 20 reductors, 21 left rubber baffles, 22 right rubber baffles, 23 front aprons, 24 chutes, 25 advance ore storage bin, and 26 measure the storehouse, 27 ore discharge storehouses.
Embodiment:
Be described with reference to the accompanying drawings apparatus structure of the present invention and using method.
As shown in Figures 1 and 2, front baffle board 23 and rear plate washer 8 are housed in chute 24, chute 24 is separated into into ore storage bin 25, measures storehouse 26 and space, 27 3, storehouse of ore discharge, wherein advance ore storage bin 25 and is communicated with below rear plate washer 8 with measuring between storehouse 26, be communicated with above front apron 23 between measurement storehouse 26 and ore discharge storehouse 27.Be shaped with feed pipe 9 in the lateral location of advancing ore storage bin 25, be shaped with discharge gate 10 in the bottom of measuring storehouse 26,27 bottom is shaped with discharge nozzle 11 in the ore discharge storehouse.The top of front apron 23 is to ore discharge storehouse 27 direction bendings, left rubber baffle 21 and the right rubber baffle 22 of certain altitude are housed respectively above front apron 23, when ore pulp flows into chute 24 by feed pipe 9, in a direction indicated by the arrow, first flow through into ore storage bin 25, then flow into from the below of rear plate washer 8 and measure storehouse 26, then from the top of front apron 23 and the regional overflow between left rubber baffle 21 and right rubber baffle 22 enter ore discharge storehouse 27, flow out chutes 24 by discharge nozzle 11 at last.Shutoff when discharge gate 10 is flat, its effect are when ore pulp stops, can discharge gate 10 will be measured storehouse 26 and the silt ore deposit advanced in ore storage bin 25 is emptying by opening.
As Fig. 1 and shown in Figure 3, be shaped with framework 18 above chute 24, sampling motor 14, reductor 20, left synchronous pulley 15, right synchronous pulley 16, upper cylinder slide rail 4, lower cylinder slide rail 5, left limit switch 1, right left limit switch 2, protective cover 19 are housed on framework 18.Sampling motor 14 can drive right synchronous pulley 16 clockwise or be rotated counterclockwise by reductor 20.Pass through Timing Belt 17 transmissions between right synchronous pulley 16 and left synchronous pulley 15, and Timing Belt 17 is tightened, Timing Belt 17 is an endless belt.Be fixed with slide block 3 on Timing Belt 17, slide block 3 is shaped with two cross through hole, be nested on cylinder slide rail 4 and lower cylinder slide rail 5, and can under the drive of Timing Belt 7 along on the direction of cylinder slide rail 4 and lower cylinder slide rail 5 be free to slide.Be fixed with fork 6 on slide block 3, be fixed with sampling funnel 7 on fork 6, concrete structure such as Fig. 4, Fig. 5, shown in Figure 6 of sampling funnel 7 have the bar shaped hollow container of narrow orifice for the top, and sampling funnel 7 is in the below of ore discharge storehouse 27 interior front apron 23 bendings.Protective cover 19 protections comprise the devices such as sampling motor 14, reductor 20, left synchronous pulley 15, right synchronous pulley 16, slide block 3 at interior sampling running part, prevent laying dust.
When sampling motor 14 forward or reverse, can drive right synchronous pulley 16 clockwise or be rotated counterclockwise by reductor 20, and then be with movable sliders 3 to the right or move left by Timing Belt 17.Just trigger left limit switch 1 when slide block 3 slides into extreme position left, and drive by fork 6 below that makes sampling funnel 7 be positioned at left rubber baffle 21.Just trigger right limit switch 2 when slide block 3 slides into extreme position to the right, and drive by fork 6 below that makes sampling funnel 7 be positioned at right rubber baffle 22.
Sampling funnel 7 is connected to rubber hose 13, and rubber hose 13 is passed the wall of chute 24, the flowing material water conservancy diversion in sampling funnel 7 can be gone out, and flows in sample bucket 12.
When sampling system is not worked at ordinary times, slide block 3 will rest on limit on the left position or limit on the right-right-hand limit position, sampling funnel 7 is parked in below left rubber baffle 21 or right rubber baffle 22, when ore pulp from the top of front apron 23 and the regional overflow between left rubber baffle 21 and right rubber baffle 22 when entering ore discharge storehouse 27, to not have the narrow orifice that ore pulp can sampled funnel 7 to receive, there is no the flow of slurry sample funnel 7 of keeping forging ahead.
when sampling system is worked, slide block 3 will be done between limit on the left position and limit on the right-right-hand limit position and reciprocatingly slide, slide block 3 drives by fork 6 and makes sampling funnel 7 do same to-and-fro movement, when ore pulp from the top of front apron 23 and the regional overflow between left rubber baffle 21 and right rubber baffle 22 when entering ore discharge storehouse 27, sampling funnel 7 will be constantly along repeatedly streaking flow of slurry perpendicular to the direction of flow of slurry, the narrow orifice of sampling funnel 7 is met to flow of slurry, to there be the part flow of slurry to flow into sampling funnel 7 by the narrow orifice of sampling funnel 7, and through the final sample bucket 12 that flows into of rubber hose 13.
After the end-of-job of sampling system, slide block 3 is rested on limit on the left position or limit on the right-right-hand limit position, make sampling funnel 7 be parked in the below of left rubber baffle 21 or right rubber baffle 22.The sample bucket 12 that the staff will fill the ore pulp sample of getting is carried the laboratory and is gone to get final product.
Concrete application process is as follows:
As shown in Figure 7, from the signal driver sampling motor 14 of frequency converter, KM1 controls by A.C. contactor.When sampling selects button to press the switching value signal just the DCLDI1 input point by PLC be input in PLC and judge; When slide block 3 ran to left end and touches left limit switch 1, the switching value signal just DCLDI2 input point by PLC was input in PLC and judges; When slide block 3 ran to right-hand member and touches right limit switch 2, the switching value signal just DCLDI3 input point by PLC was input in PLC and judges.Switching value DCLDI1, DCLDI2, DCLDI3 are+24V that COM represents negative pole.
As shown in Figure 8, PLC is by DCLDO1 output switch amount signal control relay KA1, when its adhesive by Frequency Converter Control motor 14 forwards of taking a sample; By DCLDO2 output switch amount signal control relay KA2, when its adhesive by Frequency Converter Control motor 14 counter-rotating of taking a sample; By DCLDO3 output switch amount signal control relay KA3, A.C. contactor KM1 adhesive when its adhesive, sampling motor 14 starts.Relay K A1 and relay K A2 lock mutually, adhesive simultaneously.Relay K A1, KA2, KA3 input are 24V, and GND represents the 24V power cathode; A.C. contactor KM1 is input as 220V, and in figure, L represents live wire, and N represents zero line.
As shown in Figure 9, as to demarcate at stream X-fluorescence multielement analysis instrument or with the work of laboratory analysis result contrast in when needing to take a sample, pressing sampling and selecting button, sampling system starts, input switch amount signal is to the DCLDI1 of PLC.When PLC is judged as when stream X-fluorescence multielement analysis instrument begins the ore pulp in chute is measured, the DCLDO1 output switch amount signal of PLC makes normal adhesive battle of relay K A1, and transducer drive sampling motor 14 forwards make slide block 3 left lateral.
After slide block 3 touches left limit switch 1, input switch amount signal is to the DCLDI2 of PLC, the PLC internal program carries out the judgement whether Measuring Time finishes, if the arrival Measuring Time finishes DCLDO1 and the DCLDO3 of PLC stop output switch amount signal, disconnect the normal battle of relay K A1 and KA3, A.C. contactor KM1 disconnects, and sampling motor 14 stops; Otherwise the DCLDO1 of PLC stops output switch amount signal disconnects the normal battle of relay K A1, and the DCLDO2 output switch amount signal of PLC makes normal adhesive battle of relay K A2, and 14 counter-rotatings of transducer drive sampling motor make slide block 3 right laterals.
After slide block 3 touches right limit switch 2, input switch amount signal is to the DCLDI3 of PLC, the PLC internal program carries out the judgement whether Measuring Time finishes, if the arrival Measuring Time finishes DCLDO2 and the DCLDO3 of PLC stop output switch amount signal, disconnect the normal battle of relay K A1 and KA3, A.C. contactor KM1 disconnects, and sampling motor 14 quits work; Otherwise the DCLDO2 of PLC stops output switch amount signal disconnects the normal battle of relay K A2, and the DCLDO1 output switch amount signal of PLC makes normal adhesive battle of relay K A1, and transducer drive sampling motor 14 forwards make slide block 3 left lateral.
Finish if not yet arrive Measuring Time, slide block 3 with the reciprocation cycle motion, finishes until arrive Measuring Time, and sampling motor 14 is out of service, and slide block 3 is parked in limit on the left position or limit on the right-right-hand limit position, and sampling process finishes.
Application example:
Limit switch is selected " Omron " brand, and model is " LW01CA12 ".
Chute, cylinder slide rail, fork, sampling funnel, framework, protective cover etc. are for entrusting the customization of machining unit.
Reductor is chosen " 5IK120A1-S3F/NMRV030-15-DZ " type worm speed reducer of Boshan Shandong Province Xin Te electrical machinery plant, and the sampling motor is by supporting the providing of reductor producer.
Synchronous pulley and Timing Belt select the Ningbo shellfish to pass Timing Belt company limited product, and its left synchronous pulley model is " 25L100WF-45 ", and right synchronous pulley model is " 25L100WF-33 ", and the Timing Belt model is " 300L100 ".
PLC selects Siemens's brand " 6ES7 216-2AD23-0XB8 " type CPU and " 6ES7 232-0HB22-0XA8 " type simulated amount expansion module.
Frequency converter is selected the ABB brand product, and model is " ACS350-03E-01A2-4 ".
Claims (4)
1. reciprocating type ore pulp sampling device in an X-fluorescence multi-element analyser calibration process, it is characterized in that: front baffle board and rear plate washer are housed in chute, chute is separated into into ore storage bin, measure storehouse and space, three, storehouse of ore discharge, the top of front apron is to ore discharge storehouse direction bending, left rubber baffle and the right rubber baffle of certain altitude are housed respectively above front apron, be shaped with discharge gate in the bottom of measuring the storehouse, bottom in the ore discharge storehouse is shaped with discharge nozzle, be shaped with framework above chute, the sampling motor is housed on framework, reductor, left synchronous pulley, right synchronous pulley, upper cylinder slide rail, lower cylinder slide rail, the left limit switch, right left limit switch, protective cover, the sampling motor via reducer can drive right synchronous pulley clockwise or be rotated counterclockwise, pass through toothed belt transmission between right synchronous pulley and left synchronous pulley, be fixed with slide block on Timing Belt, slide block is shaped with two cross through hole, be nested on cylinder slide rail and lower cylinder slide rail, be fixed with fork on slide block, be fixed with the sampling funnel on fork, the sampling funnel is connected to rubber hose, rubber hose is passed the wall of chute.
2. reciprocating type ore pulp sampling device according to claim 1 a kind of X-fluorescence multi-element analyser calibration process is characterized in that: slide block can under the induced effect of Timing Belt along on the direction of cylinder slide rail and lower cylinder slide rail be free to slide.
3. reciprocating type ore pulp sampling device according to claim 1 a kind of X-fluorescence multi-element analyser calibration process, it is characterized in that: the sampling funnel is the bar shaped hollow container that the top has narrow orifice.
4. application rights requires the using method of reciprocating type ore pulp sampling device in a kind of X-fluorescence multi-element analyser calibration process of 1, it is characterized in that:
When to demarcate at stream X-fluorescence multielement analysis instrument or with the work of laboratory analysis result contrast in need to be when measuring during sampling, press sampling and select button, the startup system, when stream X-fluorescence multielement analysis instrument begins the ore pulp in chute 24 is measured, make slide block 3 by fork 6 drives take a sample funnels 7 to the left slide and judge whether trigger left limit switch 1 by controls motor 14 forwards of take a sample when PLC judgement; If slide block 3 directly triggers left limit switch 1 in the limit on the left position; Control sampling motor 14 stops operating when PLC judgement left limit switch 1 has triggered; PLC continues to judge whether Measuring Time finishes, if Measuring Time has finished the end of taking a sample; If do not finish sample time, PLC continue to control 14 counter-rotatings of sampling motor and makes slide block 3 drive sampling funnels 7 by fork 6 to slide to the right and judge whether to trigger right limit switch 2, controlling sampling motor 14 and stop operating when PLC judgement right limit switch 2 has triggered; PLC continues to judge whether Measuring Time finishes, if Measuring Time has finished the end of taking a sample; If do not finish sample time, PLC continuation control sampling motor 14 forwards slide slide block 3 left and repeat aforementioned judgement and step, until Measuring Time finishes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012104551771A CN103163169A (en) | 2012-11-14 | 2012-11-14 | Reciprocating type ore pulp sampling device and method of X fluorescence multielement analyzer in process of calibrating |
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| CN2012104551771A CN103163169A (en) | 2012-11-14 | 2012-11-14 | Reciprocating type ore pulp sampling device and method of X fluorescence multielement analyzer in process of calibrating |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105651950A (en) * | 2016-02-23 | 2016-06-08 | 南京三喜农机股份有限公司 | Grain moisture detecting device |
| CN110530915A (en) * | 2019-10-14 | 2019-12-03 | 中钢集团马鞍山矿山研究院有限公司 | A kind of mine slurry grade measurement and analytical equipment for mineral processing production |
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| CN202974897U (en) * | 2012-11-15 | 2013-06-05 | 丹东东方测控技术有限公司 | Reciprocating ore pulp sampling device used in calibration process of X-ray fluorescence analyzer |
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| CN2150549Y (en) * | 1993-03-03 | 1993-12-22 | 冶金工业部长沙矿冶研究院 | Automatic sampler with counting and fault alarm |
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| CN105651950A (en) * | 2016-02-23 | 2016-06-08 | 南京三喜农机股份有限公司 | Grain moisture detecting device |
| CN105651950B (en) * | 2016-02-23 | 2017-12-22 | 南京三喜农机股份有限公司 | A kind of device for detecting grain moisture |
| CN110530915A (en) * | 2019-10-14 | 2019-12-03 | 中钢集团马鞍山矿山研究院有限公司 | A kind of mine slurry grade measurement and analytical equipment for mineral processing production |
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Application publication date: 20130619 |