CN103018407B - A kind of PLC filling slurry concentration detection system and method thereof - Google Patents
A kind of PLC filling slurry concentration detection system and method thereof Download PDFInfo
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- CN103018407B CN103018407B CN201210523347.5A CN201210523347A CN103018407B CN 103018407 B CN103018407 B CN 103018407B CN 201210523347 A CN201210523347 A CN 201210523347A CN 103018407 B CN103018407 B CN 103018407B
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Abstract
A kind of PLC filling slurry concentration detection system, it utilizes PLC master control system to carry out the operation process of various data, and each attal feeds data back to PLC master control system after utilizing gauging instrument to measure, carry out data analysis contrast, show filling slurry concentration constantly; If deviation of concentration setting range, intelligent identifying system adjusts the frequency parameter of each equipment automatically, to guarantee that filling slurry concentration is in rational variation range.The present invention breaches the defect of existing single concentration sensing modality, alternative existing nucleon densimeter is as a kind of new tool of filling slurry Concentration Testing, pass through Data Comparison, the detection data distortion problem of energy Timeliness coverage nucleon densimeter or PLC filling slurry concentration detection system, and can verify in time, accurately to show the situation of filling slurry concentration, avoid the injury of the nuclear radiation in nucleon densimeter to human body in addition.
Description
Technical field
The present invention relates to Concentration Testing field, particularly relate to slip Cemented filling Concentration Testing field, a kind of filling mine.
Background technology
Filling slurry generally adopts high concentration or paste body filling, higher to pulp density accuracy requirement during filling, if low concentration slip flows in filling route, because slip bleeding is serious, segregation degree increases, and strength of filling mass reduces, cause Tight filling rate variance (connecing top rate lower than 85%), during adjacent route exploitation, dead zone is comparatively large, and randomness water burst accident easily occurs, and potential safety hazard is high; If concentration is higher, when slip is carried in the duct, easily there is pipeline jam accident.
Existing unique detection means---nucleon densimeter utilizes gamma-rays to pass measured medium, and detector receives ray strong and weak signals and is transferred to MICROCOMPUTER PROCESSING, and calculate and show pulp density, accurately can detect pulp density, precision can reach 0.005 ~ 0.001g/cm
3.Therefore domestic and international cut and fill mine, all relies on nucleon densimeter detectable concentration at present, and nucleon densimeter is the unique selection measuring pulp density during current filling is produced in real time.
In nucleon densimeter accuracy of detection and pipeline, full packages and full packages degree have a direct impact slurry, but full-section pipe-flow conveying is the technical barrier in filling process always, in usual actual filling, the full packages rate of pipeline only can reach 65% ~ 80%, if therefore automatic control system only relies on nucleon densimeter to detect, lack the effective means to its data check, easily because nucleon densimeter detection error causes Filling density to be controlled in time, exactly, and then affect the unimpeded of filling quality and filling pipeline.
Summary of the invention
The present invention is directed to the present situation that domestic and international filling slurry Concentration Testing means are relatively single, for avoiding because nucleon densimeter precision is inclined
Difference and cannot in time, accurate perception Filling density, cause the problems such as filling system fault to propose a kind of PLC filling slurry concentration detection system and detection method.
The invention provides a kind of PLC filling slurry concentration detection system, this detection system forms primarily of PLC master control system, measuring apparatus, display device, warning device and intelligent identifying system.Wherein measuring apparatus by measure the attal variable obtained and feed back in PLC master control system in time, PLC master control system carries out data processing to attal variable, result is shown in real time by display device, to provide the CONCENTRATION STATE of filling slurry in time.If the CONCENTRATION STATE of filling slurry exceeds normality threshold, then PLC master control system carries out automatic alarm by warning device, and then carries out the control and management of filling slurry concentration by intelligent identifying system.PLC master control system, except the attal variable that reception measuring apparatus obtains, can also receive the Concentration Testing result of nucleon densimeter and compare analysis with the concentration result of calculation of PLC master control system.Measuring apparatus can be one or more in the measuring apparatus such as impact flow meter, sandstone belt conveyer scale.Display device can adopt LED to show the CONCENTRATION STATE of filling slurry.
Present invention also offers a kind of PLC filling slurry concentration detection method, specifically comprise: measuring apparatus by measure the attal variable obtained and feed back in PLC master control system; PLC master control system carries out data processing to attal variable, and result is shown in real time by display device, provides the CONCENTRATION STATE of filling slurry in time; If the CONCENTRATION STATE of filling slurry exceeds the normality threshold of setting, then PLC master control system carries out automatic alarm by warning device; Carried out the control of filling slurry concentration by intelligent identifying system, avoid the blindness caused because of concentration distortion to fill.
The present invention still further provides the cooperative control method of a kind of PLC filling slurry Concentration Testing and nucleon densimeter filling slurry Concentration Testing, specifically comprises: measuring apparatus by measure the attal variable obtained and feed back in PLC master control system; PLC master control system obtains slip calculating concentration after carrying out data processing to the attal variable that induction installation feeds back, and slip calculating concentration is shown in real time by display device, provides the CONCENTRATION STATE of filling slurry in time; The pulp density data feedback that detection obtains by nucleon densimeter is to PLC master control system; The slip detectable concentration that slip calculating concentration and nucleon densimeter provide is analyzed by PLC master control system, if exceed the threshold range of regulation, PLC master control system by automatic alarm, and is checked PLC filling slurry concentration detection system and nucleon densimeter.
Further, when nucleon densimeter break down maybe cannot use nucleon densimeter time, PLC master control system will enter automatic shaping modes: slip calculating concentration PLC master control system provided and the slip normality threshold of setting compare, if slip calculating concentration is not within normality threshold scope, then carry out reporting to the police and outputing signal to intelligent identifying system, and then automatically regulate various mass transport to parameters such as frequency during agitator and rotating speeds, to guarantee that pulp density is qualified.
PLC filling slurry concentration detection system of the present invention and detection method not only can substitute nucleon densimeter, independently filling slurry concentration is detected, also can detect filling slurry concentration with nucleon densimeter is collaborative simultaneously, data can be detected to nucleon densimeter in time and carry out school inspection, so that Timeliness coverage problem, avoid the blindly filling because of concentration distortion.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of PLC filling slurry concentration detection system
The Collaborative Control schematic diagram of Fig. 2 PLC filling slurry Concentration Testing and nucleon densimeter filling slurry Concentration Testing
Fig. 3 PLC filling slurry concentration independent detection schematic diagram
Description of reference numerals
1 water; 2 cement; 3 sands; 4 flyash; 5 PLC master control systems; 6 PLC master control system detectable concentration values; 7 nucleon densimeter detectable concentrations; 8 nucleon densimeters; 9 agitators; 10 detect normally; 11 detection failure; 12; Intelligent identifying system; 13 certified concentrations; 14 defective concentration; 15 impact flow meter data; 16 sandstone belt conveyer scale data; 17 concentration feedback data; 18 concentration are examined mutually
Embodiment
PLC filling slurry concentration detection system provided by the invention forms primarily of PLC master control system, measuring apparatus, display device, warning device and intelligent identifying system.Wherein measuring apparatus can be one or more in the measuring apparatus such as impact flow meter, sandstone belt conveyer scale, see Fig. 1, impact flow meter data 15 and sandstone belt conveyer scale data 16 feed back in PLC master control system 5 by data line in time, PLC master control system 5 pairs of impact flow meter data 15 and sandstone belt conveyer scale data 16 carry out data processing, result is shown, to provide the CONCENTRATION STATE of filling slurry in time in real time by display device (not shown).Display device can be LED.When nucleon densimeter break down maybe cannot use nucleon densimeter time, PLC master control system will enter automatic shaping modes, if now the CONCENTRATION STATE of filling slurry is not within normality threshold scope, then PLC master control system 5 carries out automatic alarm by warning device (not shown), and then carries out the control and management of filling slurry concentration by intelligent identifying system 12.
When nucleon densimeter normally runs, PLC master control system 5 is except the attal variable that reception measuring apparatus obtains, the nucleon densimeter detectable concentration 7 of nucleon densimeter 8 can also be received and itself and PLC master control system detectable concentration value 6 are compared analyze to obtain concentration feedback data 17, and then by carrying out the detection data distortion problem of Timeliness coverage nucleon densimeter and PLC filling slurry concentration detection system to the analysis of these concentration feedback data 17, to verify in time, detection system and method is enable to show filling slurry concentration levels accurately.
Figure 2 shows the Collaborative Control schematic diagram of PLC filling slurry Concentration Testing and nucleon densimeter filling slurry Concentration Testing.Data are fed back in PLC master control system 5 by data line by attal such as water 1, cement 2, sand 3, flyash 4 after gauging instrument metering.Obtain PLC master control system slip detectable concentration value 6 after PLC master control system 5 carries out data processing, nucleon densimeter 8 feeds back to PLC master control system 5 by detecting the nucleon densimeter detectable concentration 7 obtained; PLC master control system slip detectable concentration value 6 and nucleon densimeter detectable concentration 7 are analyzed by PLC master control system 5, if the comparative result of the two is in the threshold range of regulation, then illustrate that the testing result of PLC filling slurry concentration detection system and nucleon densimeter 8 is all normal, otherwise the two one of there is fault, need to check to PLC filling slurry concentration detection system and nucleon densimeter 8.
Fig. 3 gives process flow diagram during PLC filling slurry concentration detection system independent detection pulp density.Data are fed back in PLC master control system 5 by data line by attal such as water 1, cement 2, sand 3, flyash 4 after gauging instrument metering.PLC master control system slip detectable concentration value 6 is obtained after PLC master control system 5 carries out data processing, whether intelligent identifying system 12 is within regime values scope based on PLC master control system slip detectable concentration value 6 judges that whether pulp density is qualified, carry out controlling filling slurry concentration, avoid blindly filling because of concentration distortion.
Claims (7)
1. a PLC filling slurry concentration detection system, it is characterized in that: described detection system is used for slip Cemented filling Concentration Testing field, filling mine, and this detection system comprises PLC master control system, measuring apparatus, display device, warning device and intelligent identifying system; Wherein measuring apparatus by measure the attal variable obtained and feed back in PLC master control system, PLC master control system carries out data processing to attal variable, result is shown in real time by display device, to provide the CONCENTRATION STATE of filling slurry in time; If the CONCENTRATION STATE of filling slurry exceeds normality threshold, then PLC master control system carries out automatic alarm by warning device, and then the control and management of filling slurry concentration is carried out by intelligent identifying system, avoid blindly filling because concentration distortion causes, and described PLC filling slurry concentration detection system can substitute, and nucleon densimeter is independent to be detected filling slurry concentration, also can detect filling slurry concentration with nucleon densimeter is collaborative simultaneously, data can be detected to nucleon densimeter in time and verify;
Wherein, described PLC filling slurry concentration detection system carries out the method for Concentration Testing, comprises the following steps:
Step one: measuring apparatus by measure the attal variable obtained and feed back in PLC master control system;
Step 2: PLC master control system carries out data processing to attal variable, and result is shown in real time by display device, provides the CONCENTRATION STATE of filling slurry in time;
Step 3: if the CONCENTRATION STATE of filling slurry exceeds the normality threshold of setting, then PLC master control system carries out automatic alarm by warning device;
Step 4: the control being carried out filling slurry concentration by intelligent identifying system, avoids blindly filling because concentration distortion causes.
2. system according to claim 1, is characterized in that: described intelligent identifying system also receives the Concentration Testing result of nucleon densimeter and compares analysis with the CONCENTRATION STATE data that PLC master control system calculates.
3. system according to claim 1 and 2, is characterized in that: described measuring apparatus is one or both in impact flow meter, sandstone belt conveyer scale.
4. system according to claim 1 and 2, is characterized in that: described display device adopts LED to realize the CONCENTRATION STATE display of filling slurry.
5. a cooperative control method for PLC filling slurry Concentration Testing and nucleon densimeter filling slurry Concentration Testing, is characterized in that the method comprises the following steps:
Step one: measuring apparatus by measure the attal variable obtained and feed back in PLC master control system;
Step 2: PLC master control system obtains slip calculating concentration after carrying out data processing calculating to the attal variable that measuring apparatus is fed back, and slip calculating concentration is shown in real time by display device, provides the CONCENTRATION STATE of filling slurry in time;
Step 3: the slip detectable concentration data feedback that detection obtains by nucleon densimeter is to PLC master control system;
Step 4: described slip calculating concentration and described slip detectable concentration are analyzed by PLC master control system, if exceed the threshold range of regulation, then PLC master control system is by automatic alarm;
Step 5: check PLC filling slurry concentration detection system and nucleon densimeter, wherein said PLC filling slurry concentration detection system is PLC filling slurry concentration detection system according to any one of claim 1 to 4.
6. cooperative control method according to claim 5, it is characterized in that: when nucleon densimeter break down maybe cannot use nucleon densimeter time, PLC master control system will enter automatic shaping modes, described automatic shaping modes is: slip calculating concentration PLC master control system provided and the slip normality threshold of setting compare, if slip calculating concentration is not within normality threshold scope, then carry out reporting to the police and outputing signal to intelligent identifying system, carried out the control of filling slurry concentration by intelligent identifying system, avoid blindly filling because concentration distortion causes.
7. cooperative control method according to claim 6, is characterized in that: intelligent identifying system, by automatically regulating various mass transport to frequency during agitator and at least one in rotating speed, is avoided blindly filling because concentration distortion causes.
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