CN106179629B - A kind of grinding chemical mechanical system of double-layered bucket wall - Google Patents

A kind of grinding chemical mechanical system of double-layered bucket wall Download PDF

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Publication number
CN106179629B
CN106179629B CN201610541440.7A CN201610541440A CN106179629B CN 106179629 B CN106179629 B CN 106179629B CN 201610541440 A CN201610541440 A CN 201610541440A CN 106179629 B CN106179629 B CN 106179629B
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China
Prior art keywords
cylinder
signal
powder
mrow
main controller
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CN201610541440.7A
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Chinese (zh)
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CN106179629A (en
Inventor
王立
周力
张晓倩
吕明飞
杨帆
李欣然
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Qingdao University
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Qingdao University
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/10—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with one or a few disintegrating members arranged in the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/16—Mills in which a fixed container houses stirring means tumbling the charge
    • B02C17/163—Stirring means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/18—Details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/18—Details
    • B02C17/1815—Cooling or heating devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/18—Details
    • B02C17/183—Feeding or discharging devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/18—Details
    • B02C17/20—Disintegrating members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/18—Details
    • B02C17/24—Driving mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C25/00—Control arrangements specially adapted for crushing or disintegrating

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)

Abstract

A kind of grinding chemical mechanical system of double-layered bucket wall, it is characterised in that：Including means of abrasion and control system two parts, means of abrasion includes raw material bucket, batcher, collector, feeding belt, grinder, bead separator, tailing separator, pulverized-coal collector, powder bucket, wind turbine, valve and pipeline, there is grinder feed inlet, discharge port, cylinder, base bearing, auxiliary bearing, lodicule, bead, main shaft, cylinder to swing belt wheel and pipe shaft gear, main shaft rotates under the drive of spindle motor, and cylinder swings at an angle carry out reciprocating rotation of the belt wheel in the drive periodical of stepper motor.

Description

A kind of grinding chemical mechanical system of double-layered bucket wall
Technical field
The invention belongs to grinding machinery, more particularly to a kind of grinding chemical mechanical system of double-layered bucket wall.
Background technology
At present, the technical force of production of the grinding machinery of chemicals is weak, production line automation degree is low, manual operation More, process is disperseed, working environment difference fall behind production way in, production process there are the problem of following points.
Lapping efficiency is low, and abrasive product is single, can not adjust machinery in due course as needed；Automatically control degree It is low, operating personnel's manual operations inefficiency；In chemicals process of lapping, chemicals can produce heat, it is necessary to shut down cooling, It cannot cool down in real time；In production process some parameters adjusting and monitoring rely primarily on experienced operator monitoring so that Production information and process data cannot be accurate, it is impossible to adjustment in time.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of grinding chemical mechanical system of double-layered bucket wall, it can accelerate Grind the efficiency of production, there is provided the finished product powder of variable grain size, realizes the automation of grinding production.
To achieve these goals, the technical scheme is that：Including means of abrasion and control system two parts, grinding Part include raw material bucket, batcher, collector, feeding belt, grinder, bead separator, tailing separator, pulverized-coal collector, Powder bucket, wind turbine, valve and pipeline, raw material enter collector by batcher, are brought into other powder set by feeding Enter grinder, grinder forms preliminary working powder after material is ground, enters bead separator by pipeline, by bead separation simultaneously Retract in grinder, the preliminary working powder after separation enters tailing separator by pipeline, by oversized preliminary working powder Separate and collector is entered by pipeline, just separation powder is formed by the preliminary working powder of tailing separator, it is straight by pipeline Tap into and form final powder into powder bucket, or pulverized-coal collector is entered by pipeline, further will just separate Powder screen form slection Collector is returned into final powder, and by off size defined powder；
Wherein, grinder has feed inlet, discharge port, cylinder, base bearing, auxiliary bearing, lodicule, bead, main shaft, cylinder pendulum Movable belt pulley and pipe shaft gear, raw material enter inner barrel by the feed inlet of cylinder, auxiliary bearing, cylinder are arranged outside feed inlet Interior lodicule is fixedly connected with main shaft, and main shaft is hollow tubular structure, and multiple through holes are formed on surface, and shape is stretched out in main shaft one end Into discharge port, base bearing is set on main shaft, and pipe shaft gear is set on main shaft, pipe shaft gear and the sliding tooth on spindle motor Wheel engagement, main shaft rotate under the drive of spindle motor, and cylinder swings belt wheel and is fixedly connected with cylinder, and cylinder swings belt wheel and passes through Belt be connected with exterior stepper motor, cylinder swing belt wheel stepper motor drive periodical at an angle into Row reciprocating rotation；
Cylinder has double-layered bucket wall, and double-layered bucket wall forms accommodating cavity, accommodates cooling water, is set on the outer layer bucket wall of cylinder cold Water inlet, wastewater outlet；Cold water inlet, wastewater outlet are spaced apart in cylinder circumferential direction into 180 degree, and cold water inlet, waste water go out Mouth is located at the both ends of cylinder in drum shaft, so that cooling water runs through whole cylinder, to reach more preferable cooling；
Control system includes sensor, main controller, executive device, display device and communication device, and sensor will measure Obtained signal passes to main controller, and main controller is the digital signal processor using ARM frameworks, the signal that main controller will obtain Control executive device to be acted accordingly after being handled, and corresponding parameter is shown on the desplay apparatus, communication device It is connected with main controller, communication device is wireless connection device, and then realizes remote monitoring.
Beneficial effects of the present invention：
1. effective processing of pair powder processed, and different powders can be processed according to demand；
2. the processing dynamics to raw material is increased, so as to improve crush efficiency；
3. realize the control to barrel temperature；
4. realize the grinding that becomes more meticulous of particle；
5. automated control, reduce wasted in the efficiency that the change tape repeatedly manually set comes and precision it is inaccurate Really；
6. realize the automatic cooling to cylinder；
7. monitoring material position situation in real time, prevent the too high or too low situation of material position from occurring.
Brief description of the drawings
Fig. 1 is the means of abrasion structure diagram of the present invention；
Fig. 2 is the grinding machine structure schematic diagram of the present invention；
Fig. 3 a are the dispersion impeller structure size schematic diagram one of the present invention；
Fig. 3 b are the dispersion impeller structure size schematic diagram two of the present invention
Fig. 4 is the driving schematic diagram of the spindle motor of the present invention；
The schematic diagram of the fuzzy controller of Fig. 5 present invention；
Embodiment
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.
The embodiment of the present invention is with reference to shown in figure 1-5.
A kind of grinding chemical mechanical system of double-layered bucket wall, it includes means of abrasion and control system two parts, grind section Dividing includes raw material bucket, batcher, collector, feeding belt, grinder, bead separator, tailing separator, pulverized-coal collector, powder Hopper, wind turbine, valve and pipeline, as shown in the figure, raw material enters collector by batcher, with other powder set by sending Material strip enters grinder, and grinder forms preliminary working powder after material is ground, enters bead separator by pipeline, by bead Separate and retract in grinder, the preliminary working powder after separation enters tailing separator by pipeline, by oversized first plus Work powder separates and enters collector by pipeline, forms just separation powder by the preliminary working powder of tailing separator, passes through Pipeline is directly entered powder bucket and forms final powder, or enters pulverized-coal collector by pipeline, further will just separate powder Screening forms final powder, and off size defined powder is returned collector.
Set by the multi-cycle of above-mentioned multiple pipelines, realize effective processing to powder processed, and can be according to demand Process different powders.
Wherein, grinder has feed inlet, discharge port, cylinder, base bearing, auxiliary bearing, lodicule, bead, main shaft, cylinder pendulum Movable belt pulley and pipe shaft gear, raw material enter inner barrel by the feed inlet of cylinder, auxiliary bearing, cylinder are arranged outside feed inlet Interior lodicule is fixedly connected with main shaft, and main shaft is hollow tubular structure, and multiple through holes are formed on surface, and shape is stretched out in main shaft one end Into discharge port, base bearing is set on main shaft, and pipe shaft gear is set on main shaft, pipe shaft gear and the sliding tooth on spindle motor Wheel engagement, main shaft rotate under the drive of spindle motor, and cylinder swings belt wheel and is fixedly connected with cylinder, and cylinder swings belt wheel and passes through Belt be connected with exterior stepper motor, cylinder swing belt wheel stepper motor drive periodical at an angle into Row reciprocating rotation.
In said structure, main shaft and cylinder rotate at the same time, relatively the rotating technical side of in the past single main shaft or cylinder Case, increases the processing dynamics to raw material, so as to improve crush efficiency.
Control system includes sensor, main controller, executive device, display device and communication device, and sensor will measure Obtained signal passes to main controller, and main controller is the digital signal processor using ARM frameworks, the signal that main controller will obtain Control executive device to be acted accordingly after being handled, and corresponding parameter is shown on the desplay apparatus, communication device It is connected with main controller, communication device is wireless connection device, and then realizes remote monitoring.
Further, the granularity of raw material is more than 450 microns, and the granularity by the separated powder of tailing separator is 50 Micron is following, and the granularity by the separated powder of pulverized-coal collector is less than 1 micron.
Further, pulverized-coal collector separation parameter adjusts.
Further, bead is artificial bead or steel ball.
The milling apparatus is suitable for paint by the setting of above-mentioned separator, grind pigment, dyestuff, medicine or glue and hang The Grinding manufacturing of the chemical materials of a variety of variable grain degree requirements such as agent.
Further, cylinder has double-layered bucket wall, and double-layered bucket wall forms accommodating cavity, accommodates cooling water, the outer layer of cylinder Cold water inlet, wastewater outlet are set on bucket wall；Cold water inlet, wastewater outlet are spaced apart in cylinder circumferential direction into 180 degree, cold water Entrance, wastewater outlet are located at the both ends of cylinder in drum shaft, so that cooling water runs through whole cylinder, to reach more preferable Cooling.
By setting the cylinder of double-layered bucket wall and entering water and water outlet accordingly, the control to barrel temperature is realized.
Further, main shaft is in the alternating forward and reverse rotation of the drive periodical of spindle motor, and forward and reverse rotation Alternate cycle and cylinder swing belt wheel reciprocation period it is identical.
Further, main shaft is opposite with the direction of motion of cylinder swing belt wheel.
By the setting of the above-mentioned direction of motion, crush efficiency is further increased.
Further, the lodicule on the main shaft in grinder body is multiple dispersion impellers, during main axis, the pearl in body Body carries out scattered grinding under the drive of dispersion impeller to the slurry in press-in cylinder, and dispersion impeller shares 3, has on each dispersion impeller 5 using the central shaft through hole evenly distributed as the center of circle, dispersion impeller diameter 100cm, through-hole diameter 20cm, the thickness of dispersion impeller is 9cm, major axis diameter 25cm, it is 39cm to close on the distance between dispersion impeller.
By the setting of above-mentioned multiple 5 holes dispersion impeller, realize under the conditions of the spindle motor slow-speed of revolution to the fine of particle Change grinding.
Further, bead is divided into big bead and small bead, and big bead diameter is generally 60mm, and small bead is a diameter of 20mm。
By the setting of size bead, the gap between bead can be effectively filled, be conducive to fine powder grinds life Into.
Wherein sensor include tachogenerator, speed probe, weight sensor, temperature sensor, pressure sensor, Vibrating sensor, audio sensor, load estimation module, tachogenerator are installed on feeding belt to measure the speed of feeding belt Degree, weight sensor are installed on raw material bucket and powder bucket to measure the powder weight after raw material and processing, temperature sensor peace Measurement water temperature is sentenced mounted in the wastewater outlet of grinder, and pressure sensor is installed on the discharge outlet of grinder to measure discharge port Pressure, vibrating sensor and audio sensor be installed on grinder pedestal on measure the mechanical oscillation signal of grinder and Noise signal, load estimation module are arranged between spindle motor and power supply the load with the electric current of measurement motor and voltage, turn Fast sensor is arranged on main shaft to measure the rotating speed of main shaft；
Tachogenerator, weight sensor, temperature sensor, pressure sensor, vibrating sensor, audio sensor pass through Sampling A/D chip inputs a signal into main controller, and load estimation module inputs a signal into main controller by bandpass filter；
Further, the material position in cylinder is judged by mechanical oscillation signal and noise signal, is comprised the following steps that：
Step 1, mechanical oscillation signal and noise signal are filtered, remove garbage signal, and obtain mechanical oscillation frequency Rate function fzWith noise frequency function fc；
Step 2, sound level is calculated,
In formula, L is sound level intensities, and t is the time, and e is the truth of a matter of natural logrithm function, and lg is logarithmic function, and F () is cylinder Impact force function between interior bead and material, He() is tube structure receptance function, and a is sound level weighting coefficient, σradCylinder knot The sound radiation coefficient of structure, ηsFor the internal damping coefficient of cylinder, d is cylinder average thickness, and Re represents to take real；
Step 3, the curve of sound level intensities L is drawn, and extracts envelope signal, envelope curve is formed and envelope signal is carried out Lower sample process, carries out data compression；
Step 4, low-frequency reconfiguration is carried out to compressed data, obtains low-frequency reconfiguration signal；
Step 5, above-mentioned low-frequency reconfiguration signal is obtained by trained three layers of BP neural network with measurement in advance Be respectively at 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, 90% material position low-frequency reconfiguration signal carry out Compare, export the Realtime Level information of grinder.
Material position is too low will to cause ball mill to be operated in scarce material state, and mass output rate is low, and the abrasion of bead and cylinder is more serious, The excessive mass output rate that will also result in of material position is low, or even the problem of there may come a time when to cause putty.It can be monitored in real time by the above method Material position situation in cylinder, so prevent material position too low or excessive situation occur.
Executive device includes pulley electric motor, stepper motor, spindle motor, water supply pump, pneumatic pump, clutch, gear The belt pulley connection of case, pulley electric motor and feeding belt, main controller are connected with pulley electric motor by driving device and provided it Tach signal is to adjust the feeding speed of feeding belt, and main controller is connected by impulse generator with stepper motor, impulse generator The pulse signal in cycle is provided to stepper motor and then controls its service cycle and rotation angle, and main controller passes through drive spindle Motor connects and provides it drive signal to adjust the supply of electric power of spindle motor and then adjust the load capacity of spindle motor, Main controller is connected with control valve on water supply pump to control the supply pressure of cold water, and then realizes effective cooling to cylinder, master control Device is connected with pneumatic pump to control the flow of powder.
Spindle motor is connected by clutch with gear-box, have on the output shaft of gear-box gear so as to on grinder Pipe shaft gear is intermeshed, and main controller is connected with clutch so as to make spindle motor be disconnected with gear-box in load excessive, main Control device is connected with gear-box is adjusted rotating speed and steering.
Further, pulse signal is generated by sinusoidal signal modulation, and positive and negative with two in each cycle The identical pulse of pulsewidth, main controller controls stepper motor rotation angle by adjusting the size of pulse width, passes through tune Save pulse signal cycle and adjust stepper motor service cycle, the half of pulse signal cycle is used as to gear-box steering by main controller The cycle of adjusting.
Display device includes liquid crystal display and warning indicator, and display device liquid crystal display is connected with main controller, shows Show the data of each sensor collection and the state of each executing agency, warning indicator is connected with main controller, for going out Alarm is sent to remind operating personnel during existing failure；
Further, for pipeline putty, feeding belt stalling occur for failure, and clutch separates, wastewater outlet water temperature Excessive, mechanical oscillation signal and noise signal are abnormal；
Main controller has fuzzy control device, and fuzzy control device includes difference engine, differentiator, defuzzification interface, output Modular converter, inference machine, knowledge base are measured, load estimation module filters the measurement load voltage of the spindle motor measured by band logical Ripple device is supplied to difference engine, and the setting load voltage that operating personnel input is subtracted each other to obtain error by difference engine with measurement load voltage Value E, error value E obtain error rate dE/dt by differentiator, and error value E and error rate dE/dt are supplied to blurring Interface, blurring assignment is carried out to error value E and error rate dE/dt, respectively obtains blurring error amount ME and blurring Error change value MEC, blurring error amount ME and blurring error change value MEC are supplied to inference machine, and inference machine is according to knowledge Input and output degree of membership vector value and reasoning from logic rule in storehouse is to blurring error amount ME and blurring error change value MEC carries out fuzzy reasoning and obtains fuzzy control quantity MU, and fuzzy control quantity MU is converted to actual controlled quentity controlled variable by output quantity modular converter U, controls power supply to provide voltage to spindle motor according to actual controlled quentity controlled variable U.
Wherein, the process for being blurred assignment is specially：According to selection parameter PL, PB of the linguistic variable of operating personnel, PM, PS, ZO, NS, NM, NB, BL represent respectively positive super large, honest, center, it is just small, zero, it is negative it is small, negative in, negative big, negative super large, it is corresponding Fuzzy set-n ,-n+1 ..., 0 ..., n-1, n }, n=4；
Determine quantizing factor, ke=n/e, wherein, keFor error amount quantizing factor, e is the worst error value of measurement, kec= N/ec, kecFor error rate quantizing factor, ec is the worst error change rate of measurement,
If m≤keE≤m+1, m ＜ n, then it is the k by rounding up to be blurred error amount MEeE；
If keE ＜-n, then it is-n to be blurred error amount ME；
If keE ＞ n, then it is n to be blurred error amount ME；
If m≤kecE≤m+1, m ＜ n, then it is the k by rounding up to be blurred error change value MECecE；
If kecE ＜-n, then it is-n to be blurred error change value MEC；
If kecE ＞ n, then it is n to be blurred error change value MEC.
Further, knowledge base includes database and rule base,
Storage input, the fuzzy membership vector value of output variable in database, this vector value are input, output quantity process The set of corresponding value, then can be membership function if corresponding domain is continuous after the discretizations such as corresponding domain, right In the fuzzy variable of input, membership function is stored in database, and data are provided to inference machine in fuzzy reasoning relation.
Fuzzy rule is stored with rule base, fuzzy rule is the experience of operating personnel's long-term accumulation and combines expertise On the basis of formed, expressed by the vocabulary of relevant logical relation, such as if-then, else, end, and, or etc..
It can effectively realize the rapid setting of motor load automatically by fuzzy control, reduce repairing repeatedly of manually setting Change the inaccuracy of waste and precision in the efficiency brought.
Embodiment described above only expresses one embodiment of the present invention, but can not therefore be interpreted as to this The limitation of invention scope.It should be pointed out that for those of ordinary skill in the art, the premise of present inventive concept is not being departed from Under, various modifications and improvements can be made, these belong to protection scope of the present invention.

Claims (10)

  1. A kind of 1. grinding chemical mechanical system of double-layered bucket wall, it is characterised in that：Including means of abrasion and control system two parts, Means of abrasion includes raw material bucket, batcher, collector, feeding belt, grinder, bead separator, tailing separator, fine powder separation Device, powder bucket, wind turbine, valve and pipeline, raw material enter collector by batcher, pass through feeding belt with other powder set Into grinder, grinder forms preliminary working powder after material is ground, and enters bead separator by pipeline, bead is separated And retract in grinder, the preliminary working powder after separation enters tailing separator by pipeline, by oversized preliminary working powder Material separates and enters collector by pipeline, forms just separation powder by the preliminary working powder of tailing separator, passes through pipeline It is directly entered powder bucket and forms final powder, or pulverized-coal collector is entered by pipeline, further will just separates powder screening Final powder is formed, and off size defined powder is returned into collector；
    Wherein, there is grinder feed inlet, discharge port, cylinder, base bearing, auxiliary bearing, lodicule, bead, main shaft, cylinder to swing band Wheel and pipe shaft gear, raw material enter inner barrel by the feed inlet of cylinder, are arranged auxiliary bearing outside feed inlet, in cylinder Lodicule is fixedly connected with main shaft, and main shaft is hollow tubular structure, and multiple through holes are formed on surface, and main shaft one end is stretched out to be formed out Material mouth, base bearing are set on main shaft, and pipe shaft gear is set on main shaft, and pipe shaft gear is nibbled with the drive gear on spindle motor Close, main shaft rotates under the drive of spindle motor, and cylinder swings belt wheel and is fixedly connected with cylinder, and cylinder swings belt wheel and passes through belt It is connected with exterior stepper motor, it is past in the carry out at an angle of the drive periodical of stepper motor that cylinder swings belt wheel It is multiple to rotate；
    Cylinder has double-layered bucket wall, and double-layered bucket wall forms accommodating cavity, accommodates cooling water, sets cold water to enter on the outer layer bucket wall of cylinder Mouth, wastewater outlet；Cold water inlet, wastewater outlet are spaced apart in cylinder circumferential direction into 180 degree, and cold water inlet, wastewater outlet exist It is located at the both ends of cylinder in drum shaft, so that cooling water runs through whole cylinder, to reach more preferable cooling；
    Control system includes sensor, main controller, executive device, display device and communication device, and sensor obtains measurement Signal pass to main controller, main controller is the digital signal processor using ARM frameworks, and main controller carries out obtained signal Control executive device to be acted accordingly after processing, and corresponding parameter is shown on the desplay apparatus, communication device and master Device connection is controlled, communication device is wireless connection device, and then realizes remote monitoring.
  2. A kind of 2. grinding chemical mechanical system of double-layered bucket wall according to claim 1, it is characterised in that：Main shaft is in main shaft The alternating forward and reverse rotation of the drive periodical of motor, and the alternate cycle of forward and reverse rotation swings the reciprocal of belt wheel with cylinder The period of motion is identical, and the direction of motion that main shaft swings belt wheel with cylinder is opposite.
  3. A kind of 3. grinding chemical mechanical system of double-layered bucket wall according to claim 1, it is characterised in that：In grinder body Main shaft on lodicule be multiple dispersion impellers, during main axis, the bead in grinder body is under the drive of dispersion impeller to press-in Slurry in cylinder carries out scattered grinding, and dispersion impeller shares 3, and have 5 on each dispersion impeller uniformly arranges using central shaft as the center of circle The through hole of row, dispersion impeller diameter 100cm, through-hole diameter 20cm, the thickness of dispersion impeller is 9cm, and major axis diameter 25cm, closes on The distance between dispersion impeller is 39cm；Bead is divided into big bead and small bead, the big a diameter of 60mm of bead, and small bead is a diameter of 20mm。
  4. A kind of 4. grinding chemical mechanical system of double-layered bucket wall according to claim 1, it is characterised in that：Sensor includes Tachogenerator, speed probe, weight sensor, temperature sensor, pressure sensor, vibrating sensor, audio sensor, Load estimation module, tachogenerator are installed on feeding belt to measure the speed of feeding belt, and weight sensor is installed on raw material To measure the powder weight after raw material and processing on bucket and powder bucket, the wastewater outlet that temperature sensor is installed on grinder is sentenced Water temperature is measured, pressure sensor is installed on the discharge outlet of grinder to measure discharge port pressure, vibrating sensor and audio Sensor is installed on the pedestal of grinder to measure the mechanical oscillation signal of grinder and noise signal, and load estimation module is set Put with the electric current of measurement motor and the load of voltage between spindle motor and power supply, speed probe is arranged on main shaft to survey Measure the rotating speed of main shaft；
    Tachogenerator, weight sensor, temperature sensor, pressure sensor, vibrating sensor, audio sensor pass through sampling Chip inputs a signal into main controller, and load estimation module inputs a signal into main controller by bandpass filter.
  5. A kind of 5. grinding chemical mechanical system of double-layered bucket wall according to claim 4, it is characterised in that：Shaken by machinery Dynamic signal and noise signal judge the material position in cylinder, comprise the following steps that：
    Step 1, mechanical oscillation signal and noise signal are filtered, remove garbage signal, and obtain mechanical oscillation frequencies letter Number fzWith noise frequency function fc；
    Step 2, sound level is calculated,
    <mrow> <mi>L</mi> <mo>=</mo> <mn>10</mn> <mo>*</mo> <mrow> <mo>(</mo> <mi>lg</mi> <mo>|</mo> <mfrac> <mrow> <mi>d</mi> <mi>F</mi> <mrow> <mo>(</mo> <msub> <mi>f</mi> <mi>z</mi> </msub> <mo>)</mo> </mrow> </mrow> <mrow> <mi>d</mi> <mi>t</mi> </mrow> </mfrac> <mo>|</mo> <mo>+</mo> <mi>lg</mi> <mi> </mi> <mi>Re</mi> <mo>&amp;lsqb;</mo> <msub> <mi>H</mi> <mi>e</mi> </msub> <mo>(</mo> <msub> <mi>f</mi> <mi>c</mi> </msub> <mo>)</mo> </mrow> <msup> <mi>e</mi> <mrow> <mo>-</mo> <mi>j</mi> <mn>90</mn> </mrow> </msup> <mo>&amp;rsqb;</mo> <mo>+</mo> <mi>lg</mi> <mrow> <mo>(</mo> <mfrac> <mrow> <msub> <mi>a&amp;sigma;</mi> <mrow> <mi>r</mi> <mi>a</mi> <mi>d</mi> </mrow> </msub> </mrow> <msub> <mi>f</mi> <mi>z</mi> </msub> </mfrac> <mo>)</mo> </mrow> <mo>-</mo> <msub> <mi>lg&amp;eta;</mi> <mi>s</mi> </msub> <mo>-</mo> <mi>lg</mi> <mi> </mi> <mi>d</mi> <mo>)</mo> </mrow>
    In formula, L is sound level intensities, and t is the time, and e is the truth of a matter of natural logrithm function, and lg is logarithmic function, and F () is cylinder inner integument Impact force function between body and material, He() is tube structure receptance function, and a is sound level weighting coefficient, σradTube structure Sound radiation coefficient, ηsFor the internal damping coefficient of cylinder, d is cylinder average thickness, and Re represents to take real；
    Step 3, the curve of sound level intensities L is drawn, and extracts envelope signal, envelope curve is formed and lower pumping is carried out to envelope signal Sample processing, carries out data compression；
    Step 4, low-frequency reconfiguration is carried out to compressed data, obtains low-frequency reconfiguration signal；
    Step 5, by above-mentioned low-frequency reconfiguration signal by trained three layers of BP neural network, point obtained with measurement in advance Other places are compared in the low-frequency reconfiguration signal of 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, 90% material position, Export the Realtime Level information of grinder.
  6. A kind of 6. grinding chemical mechanical system of double-layered bucket wall according to claim 5, it is characterised in that：Executive device bag Include pulley electric motor, stepper motor, spindle motor, water supply pump, pneumatic pump, clutch, gear-box, pulley electric motor and feeding The belt pulley connection of band, main controller is connected by driving device with pulley electric motor provides it tach signal to adjust feeding belt Feeding speed, main controller is connected by impulse generator with stepper motor, and impulse generator provides the cycle to stepper motor Pulse signal and then its service cycle and rotation angle are controlled, main controller is connected and provided it with spindle motor by driver Drive signal is to adjust the supply of electric power of spindle motor and then adjust the load capacity of spindle motor, and main controller on water supply pump with controlling Valve processed connection realizes effective cooling to cylinder to control the supply pressure of cold water, main controller be connected with pneumatic pump with Control the flow of powder.
  7. A kind of 7. grinding chemical mechanical system of double-layered bucket wall according to claim 6, it is characterised in that：Spindle motor leads to Cross clutch to be connected with gear-box, have gear on the output shaft of gear-box so as to be intermeshed with the pipe shaft gear on grinder, Main controller is connected with clutch so as to disconnect in load excessive spindle motor and gear-box, and main controller is connected pair with gear-box Rotating speed and steering are adjusted.
  8. A kind of 8. grinding chemical mechanical system of double-layered bucket wall according to claim 7, it is characterised in that：Pulse signal is By sinusoidal signal modulation generation, and pass through tune with the identical pulse of two positive and negative pulsewidths, main controller in each cycle Save the size of pulse width and then control stepper motor rotation angle, stepper motor operating is adjusted by adjusting pulse signal cycle Cycle, main controller turn to the cycle adjusted using the half of pulse signal cycle as to gear-box.
  9. A kind of 9. grinding chemical mechanical system of double-layered bucket wall according to claim 1, it is characterised in that：Display device bag Liquid crystal display and warning indicator are included, display device liquid crystal display is connected with main controller, shows each sensor collection Data and the state of each executing agency, warning indicator are connected with main controller, for break down when send alarm with Operating personnel are reminded, for pipeline putty, feeding belt stalling occur for failure, and clutch separates, wastewater outlet water temperature over-high, machine Tool vibration signal and noise signal are abnormal.
  10. A kind of 10. grinding chemical mechanical system of double-layered bucket wall according to claim 9, it is characterised in that：Master control utensil There is fuzzy control device, fuzzy control device includes difference engine, differentiator, defuzzification interface, output quantity modular converter, reasoning The measurement load voltage of the spindle motor measured is supplied to difference by machine, knowledge base, load estimation module by bandpass filter The setting load voltage that operating personnel input is subtracted each other to obtain error value E, error value E warp by device, difference engine with measuring load voltage Cross differentiator and obtain error rate dE/dt, error value E and error rate dE/dt are supplied to defuzzification interface, to error amount E and error rate dE/dt carry out blurring assignment, respectively obtain blurring error amount ME and blurring error change value MEC, Blurring error amount ME and blurring error change value MEC are supplied to inference machine, input and output of the inference machine in knowledge base Degree of membership vector value and reasoning from logic rule carry out fuzzy reasoning to blurring error amount ME and blurring error change value MEC Fuzzy control quantity MU is obtained, fuzzy control quantity MU is converted to actual controlled quentity controlled variable U by output quantity modular converter, according to actual controlled quentity controlled variable U controls power supply to provide voltage to spindle motor；
    Wherein, the process for being blurred assignment is specially：According to selection parameter PL, PB of the linguistic variable of operating personnel, PM, PS, ZO, NS, NM, NB, BL represent respectively positive super large, honest, center, it is just small, zero, it is negative it is small, negative in, negative big, negative super large, corresponding mould Paste collection-n ,-n+1 ..., 0 ..., n-1, n }, n=4,
    Determine quantizing factor, ke=n/e, wherein, keFor error amount quantizing factor, e is the worst error value of measurement, kec=n/ec, kecFor error rate quantizing factor, ec is the worst error change rate of measurement,
    If m≤keE≤m+1, m ＜ n, then it is the k by rounding up to be blurred error amount MEeE；
    If keE ＜-n, then it is-n to be blurred error amount ME；
    If keE ＞ n, then it is n to be blurred error amount ME；
    If m≤kecE≤m+1, m ＜ n, then it is the k by rounding up to be blurred error change value MECecE；
    If kecE ＜-n, then it is-n to be blurred error change value MEC；
    If kecE ＞ n, then it is n to be blurred error change value MEC；
    Knowledge base includes database and rule base,
    Storage input, the fuzzy membership vector value of output variable in database, this vector value are input, output quantity by corresponding to The set of corresponding value after the discretizations such as domain, if corresponding domain is continuous, then as membership function, for input Fuzzy variable, membership function are stored in database, and data are provided to inference machine in fuzzy reasoning relation.
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CN110501264B (en) * 2019-09-03 2020-11-06 中国石油大学(北京) Device and method for identifying field sand-mud rocks
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