CN111983982A - Ball feeding machine control system based on DCS system platform - Google Patents
Ball feeding machine control system based on DCS system platform Download PDFInfo
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/41835—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by programme execution
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4184—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by fault tolerance, reliability of production system
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/41845—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by system universality, reconfigurability, modularity
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/41865—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by job scheduling, process planning, material flow
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25232—DCS, distributed control system, decentralised control unit
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
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Abstract
A ball feeder control system based on a DCS system platform belongs to an automatic ore dressing control technology, and particularly relates to an automatic ball feeder system of a ball mill. The system comprises a steel ball counting and outputting device and a DCS detection control system. The system calculates the quantity of steel balls to be added by a new ore feeding quantity automatic calculation unit, a steel ball demand automatic calculation unit, an actual steel ball adding automatic control unit and an automatic period circulation control unit in a timing period, sends out a command to enable a steel ball output device to add the steel balls into the ball grinder, measures the adding quantity, feeds back the steel balls to the actual steel ball adding automatic control unit, and enters the next adding period after the adding is finished. The invention reduces the labor cost, improves the safe production index, reduces the direct production cost, reduces the difficulty of system operation and maintenance by operators and automation technicians, and improves the high efficiency of the steel ball adding system.
Description
Technical Field
The invention belongs to an automatic control technology for mineral separation, and particularly relates to an automatic steel ball feeding system for a ball mill.
Background
At present, the steel ball adding application modes of domestic copper mine mill systems for daily processing of more than ten thousand tons are mainly divided into two types: 1, hoisting a steel ball to a mill ore inlet by using a navigation vehicle, and manually adding the steel ball; and 2, a specially designed adding control system of the mill steel ball is adopted, a PLC is taken as a core, and a matched instrument and electrical equipment jointly realize the automatic adding of the steel ball.
The mode of adding the steel balls manually needs a large amount of physical operation processing, increases the physical labor amount of the staff, and reduces the physical and mental health indexes of the staff. In addition, the steel ball hoisting process has great potential safety risks of crane operation, cross operation, high-altitude operation and the like. A whole set of steel ball adding control system is newly added by taking the PLC as a core, so that the design, equipment spare part materials, installation, debugging and the like of each steel ball adding control system are too much to invest, and the burden is difficult.
Disclosure of Invention
The invention aims to apply the functions of the existing DCS system, establish a control strategy CM on the system, and realize the detection and control of the relevant process only by additionally arranging a sensor and a small frequency converter on the equipment.
The ball feeder control system based on the DCS system platform comprises a steel ball counting and outputting device and a DCS detection control system;
the steel ball counting and outputting device is used for adding the steel balls into the roller and metering the number of the steel balls added into the roller;
the DCS detection control system comprises a timing period new ore feeding amount automatic calculation unit, a steel ball demand automatic calculation unit, an actual steel ball adding automatic control unit and an automatic period circulation control unit, wherein:
the automatic calculating unit for the new ore feeding amount in the timing period comprises a timer module, a pulse accumulation module, a condition pushing module and an immediate data storage module, and specifically comprises the following steps:
the timer module is used for setting a time period;
the pulse accumulation module is used for accumulating the total ore input amount and the ore return amount of the hard rocks respectively and triggering the condition pushing module;
the condition pushing module is used for pushing the total ore input amount and the hard rock returning ore amount to the immediate data storage module respectively;
the immediate data storage module is used for calculating the new ore feeding amount in a timing period and pushing data to the steel ball demand automatic calculation unit;
the automatic steel ball demand calculation unit is used for calculating the number of steel balls needing to be added into the mill;
the actual steel ball adding automatic control unit is used for controlling the actual steel ball adding amount to be consistent with the calculated amount and entering the next period after the timing period is finished;
and the automatic period cycle control unit is used for enabling each module to start setting and enable resetting and starting the next timing period.
The time period is set arbitrarily according to actual production requirements, and the common period setting is generally 2-3 minutes.
The steel ball output device is a cylindrical roller, the roller is driven by a variable frequency motor to rotate, grippers are uniformly arranged on the cylindrical surface of the roller in a staggered manner in the longitudinal direction and the transverse direction, and the grippers are in the shape of two fingers; a steel ball counting device is arranged right above the roller, and the counting device consists of a bracket arranged right above the roller, a photoelectric switch sensor, a brake baffle and a reset plate; the brake baffle and the reset plate are arranged between the bracket and the roller, distributed along the bracket and arranged at the position corresponding to the gripper; the photoelectric switch sensor is a diffuse reflection type photoelectric switch sensor, is arranged on the bracket and is arranged at a position corresponding to the brake baffle, and the surface of the photoelectric switch sensor is used for measuring the signal of the brake baffle.
The number of the pulse accumulation module, the condition push module and the immediate data storage module is two, and the total ore input amount and the ore amount returned by the hard rocks are respectively accumulated by using one module.
And the new ore feeding amount in the timing period is the total ore feeding amount-the hard rock returning amount.
The steel ball demand is new ore feeding amount multiplied by single steel ball consumption divided by the weight of each steel ball.
The system of the invention achieves the following technical effects:
1. the labor cost is reduced, the problem that a large amount of physical operation processing is needed when steel balls are added manually is avoided, and the physical and mental health indexes of staff are improved;
2. the large potential safety risk operations such as aviation lifting operation, cross operation, overhead operation and the like on a complex site in a grinding workshop are avoided, and the safe production index of a company is improved;
3. the cost of direct production cost is reduced by about 200 ten thousand yuan, and two ball adding machine equipment control systems are prevented from being newly added in a mode of adopting a whole set of steel ball adding control system with a PLC as a core;
4. the difficulty of system operation and maintenance by operators and automation technicians is reduced, and the efficiency of the steel ball adding system is improved.
Drawings
FIG. 1 is a schematic structural diagram of a steel ball counting and outputting device in embodiment 1.
FIG. 2 is a schematic structural diagram of a steel ball input front view in embodiment 1.
FIG. 3 is a schematic diagram of a steel ball input rear view structure in embodiment 1.
FIG. 4 is a logic block diagram of an automatic calculating unit for new ore feeding amount in a timing cycle in embodiment 1.
Fig. 5 is a logic block diagram of automatic control of the ball feeder system in embodiment 1.
FIG. 6 is a logic block diagram of an actual steel ball adding automatic control unit in embodiment 1.
FIG. 7 is a logic block diagram of an automatic cycle control unit according to embodiment 1.
The device comprises a roller 1, a variable frequency motor 2, a gripper 3, a photoelectric switch sensor 4, a brake baffle 5, a reset plate 6, a bracket 7, an antenna 8, a magnet 9 and a steel ball 10.
Detailed Description
Example 1: a ball adding machine control system based on a DCS system platform is based on a DCS system built by a PKS of a picking and selecting process control system Honeywell, and a control strategy CM (CM is an abbreviation of each control strategy of each C300 control station of the PKS system) is newly built on the system to realize related process detection and control.
The advantages of the Honeywell DCS system platform are analog quantity detection processing, the motion logic control aspect is backward relative to the PLC, the motion logic control aspect has no logic language, and the processing speed of the controller is far lower than that of the PLC. The method has the advantages that the ball adding machine control strategy environment hung under the DCS is scanned and accelerated, the external digital quantity input signals are subjected to special processing such as 1S high-level clamping setting, in addition, the control strategies of other production links of the controller are kept unchanged, the requirement of quick movement detection and control of the ball adding machine is met, the integral use of the controller is not influenced, and abnormal conditions such as overlarge load and dead halt cannot occur.
A ball feeder control system based on a DCS system platform comprises a steel ball counting and outputting device and a DCS detection control system. The system calculates the number of steel balls to be added by a new ore feeding amount automatic calculation unit, a steel ball demand automatic calculation unit, an actual steel ball adding automatic control unit and an automatic period circulation control unit in a timing period, sends out a command to enable a steel ball output device to add the steel balls into the ball grinding machine, measures the adding amount, feeds back the steel balls to the actual steel ball adding automatic control unit, and enters the next adding period after the adding is finished; the method comprises the following steps:
a steel ball counting and output device;
the steel ball output device is a cylindrical roller 1, the roller 1 is driven by a variable frequency motor 2 to rotate, three grippers 3 are arranged on the cylindrical surface of the roller, and the grippers are in the shape of two fingers;
the roller surface is axially and uniformly divided into three parts, each part is provided with a gripper, and adjacent grippers are radially arranged at equal intervals;
a steel ball counting device is arranged right above the roller and comprises a bracket 7 arranged right above the roller, a photoelectric switch sensor 4, a brake baffle 5 and a reset plate 6. The brake baffle 5 and the reset plate 6 are arranged between the bracket 7 and the roller, are positioned right above the roller, are uniformly distributed along the axial directions of the bracket 7 and the roller 1, and correspond to the three grippers 3 of the roller 1 up and down; the brake plate 5 is iron movable and can be pushed by a steel ball to rotate for a certain angle, and after the brake plate rotates, the brake plate is reset by the attraction of a magnet arranged on the reset plate 6; when the brake is not pushed by the steel ball, the brake baffle 5 and the reset plate 6 are attracted and fixed together by the magnet 9; the steel ball 10 pushes the brake plate by pushing the antenna 8 extending out of the brake baffle 5; the photoelectric switch sensor 4 is a diffuse reflection type photoelectric switch sensor, is arranged on the bracket 7 and is used for detecting signals of the brake baffle 5.
Generally, steel ball detection is a point detection mode, a signal is generated only when the detection light intensity of the diffuse reflection type photoelectric switch is required to be high, and the detection modes of other non-spherical regular objects are surface detection modes, the detection light intensity of the diffuse reflection type photoelectric switch is not required to be high, and a signal is generated. Therefore, when the diffuse reflection type photoelectric switch is adjusted to play a role in a steel ball point and has signal feedback output, the surface measurement mode distance reaches the highest cylinder surface of the roller, and signal interference can be generated on the cylinder surface, so that the light smooth panel, namely the brake baffle, is designed and applied to replace the steel ball as a measured object. And a surface measurement mode is adopted to replace a point measurement mode to reduce the generation of interference signals of the surface of the roller. Generally, the detection range of the photoelectric switch sensor is 0-40 cm.
In addition, the invention applies the iron brake baffle and the reset plate to install the magnet attraction mode to eliminate the signal interference generated by multiple free swings after the measured brake plate is pushed by the steel ball, the steel ball pushes the brake plate to swing towards the steel ball transportation direction each time when reaching the bottom of the sensor, the measured brake plate returns to the central initial position to immediately stop swinging after being separated from the steel ball, the photoelectric switch detects that the feedback signal is only output once, and the number of the steel balls is counted.
The roller gripper is in a two-hand finger shape, the brake pad bottom feeler is designed to be in a single-finger shape, the fact that the gripper passes through the space between the two fingers of the gripper in the operation process is guaranteed, the brake pad cannot be pushed when no steel ball exists, the brake pad smoothly passes through the detection photoelectric bottom, and therefore signal interference caused by an empty gripper is avoided.
The DCS detection control system comprises a timing period new ore feeding amount automatic calculation unit, a steel ball demand automatic calculation unit, an actual steel ball adding automatic control unit and an automatic period circulation control unit, wherein:
the automatic calculating unit for the new ore feeding amount in the timing period comprises a timer module, a pulse accumulation module, a condition pushing module and an immediate data storage module, and specifically comprises the following steps:
a timer module;
for setting a time period of 3 minutes;
the pulse accumulation module is used for accumulating the ore amount and triggering the condition pushing module;
the total ore input amount and the hard rock return amount are respectively provided with a module for accumulating the ore amount, and after the timer finishes the time, a pulse signal which finishes the timing is output to trigger the condition pushing module;
a condition push module;
the ore amount is pushed to the immediate data storage module;
the total ore input amount and the hard rock return ore amount are respectively provided with a module and used for pushing the total ore input amount and the hard rock return ore amount accumulated by the periodic pulse accumulation module to an immediate data storage module;
an immediate data storage module;
the automatic ore feeding device is used for calculating the new ore feeding amount of a timing period and pushing data to the steel ball demand automatic calculation unit;
and the total ore input amount and the hard rock returning ore amount respectively use one module, the accumulated amount of the immediate number corresponding to the total ore input amount is subtracted from the accumulated amount of the immediate number corresponding to the hard rock returning ore amount to obtain the accumulated amount of the new ore feeding amount in the timing period, and then the accumulated amount of the new ore feeding amount in the timing period is transmitted to the next steel ball demand automatic calculation unit.
The total ore input amount and the ore return amount of the hard rocks are weighed by a belt scale. The accumulated quantity of the belt scale is that a pulse signal is fed back to a DI input channel of the DCS for integrated processing, every time the belt scale accumulates to one ore quantity, the belt scale feeds back and outputs a pulse signal to be used as an ore quantity accumulation signal source of the DCS, and the instantaneous quantity of the belt scale is fed back to an AI input channel of the DCS in real time by analog quantity for integrated application and display.
A steel ball demand automatic calculation unit;
the method is used for calculating the number of the steel balls needing to be added into the mill; according to the accumulated amount of new ore feeding, the single consumption of the steel balls and the weight of each steel ball, the method specifically comprises the following steps: and multiplying the accumulated new ore feeding amount by the unit consumption of the steel balls, and dividing by the weight of each steel ball to obtain the required addition amount of the steel balls.
The unit consumption of the steel balls is set according to the ore property, the weight of each steel ball is set according to the actual batch weight of the steel balls, and the set values serving as the signal source variables are stored in an immediate data storage module of the CM.
An actual steel ball adding automatic control unit;
the method is used for controlling the actual addition amount of the steel balls to be consistent with the calculated amount, and entering the next period after the timing period is finished;
in the last timing period, the required addition amount of the steel balls conveyed by the steel ball required amount automatic calculation unit is rounded upwards to be used as a given set value, the set value is compared with the actual steel ball addition feedback amount in real time, and when the set value is larger than the actual steel ball addition feedback amount, the variable frequency motor is output to operate to continue ball addition; and when the set value is equal to the actual steel ball adding feedback value, finishing the ball adding.
And in the period, after the steel ball is added, entering a remaining timing stage of the set time of the period and a waiting time period for continuously accumulating the new ore feeding amount, and finishing the actual steel ball adding automatic control and calculation processing process of the period when the timing of the period is finished.
The automatic control output mode comprises a PID variable frequency speed regulation control mode and a constant speed control mode, wherein:
the PID variable frequency speed control mode is that the SP set value is a carry rounding value of the required addition amount of the steel ball, the PV process value is a feedback value of the actual real-time ball addition amount, and the OP output amount is a frequency set value of the frequency converter. When the mill runs at full load, one hour is set as a period, and when the frequency is 10Hz, the steel ball adding in one hour period can be completed only in about 8 minutes, so that the PID is used for adjusting the frequency output in an automatic control mode, and the range of 0-15Hz is feasible. PID parameter tuning is set as follows: the ratio P is 5; the integral I is 0.3; the differential D is 0;
the constant speed control is periodic cycle automatic ball adding control and can also be output and operated at fixed frequency, 10Hz is set in the program to meet the use requirement, the constant speed control is used in the process of adding a small amount of steel balls at the front section of the adding machine or supplementing the steel balls, and the ball adding machine and the surrounding environment are relatively safe and reliable.
Under the condition of any given frequency, the motor drives the direct-connected roller to rotate to add balls, and the action execution time is far shorter than the period set time length of the automatic steel ball adding mode.
An automatic periodic cycle control unit;
the timing control module is used for enabling each module to start setting and enable resetting and starting the next timing period;
when the timing of each period is finished, the timer module and the pulse accumulation module are reset by using the output pulse signals timed by the timer, so that the two modules are timed and accumulated for counting again, and the input data is prepared for automatic ball adding control in the next period; enabling the condition pushing module to push the total ore feeding accumulated quantity and the hard rock feeding accumulated quantity to an immediate storage module for storage, simultaneously executing data calculation of the immediate storage module to obtain a new ore feeding accumulated quantity and a required addition amount of steel balls, and sending the new ore feeding accumulated quantity and the required addition amount of the steel balls to an actual steel ball addition automatic control unit of the next period;
when the automatic control execution of the steel ball adding action is finished, the frequency setting module and the digital quantity output module are reset, so that the controlled frequency converter and the controlled motor immediately stop running;
the control signal of the automatic periodic cycle control unit can be remotely and automatically started, under the condition that the control signal is always true, the automatic control action of adding balls is immediately carried out when the accumulated amount of new ore feeding and the required addition amount of steel balls output when the previous period is finished and the current period is started, and the automatic ball adding action is finished before the current period is timed to be finished. The calculation processing data of the new ore feeding accumulated quantity and the required addition quantity of the steel balls are automatically calculated and output when the current period is ended, simultaneously, the next period is immediately started, and the new automatic control action of the steel ball addition and the calculation processing process of the new ore feeding quantity and the required addition quantity of the steel balls are immediately executed; the CM program function is executed periodically and circularly, so that the automatic ball adding periodic circulating stable operation under the automatic mode is achieved.
And the new ore feeding amount calculation value, the steel ball required addition amount calculation value, the steel ball addition feedback amount, the timer set value, the timer countdown and other data are set and displayed on the HMI. The new ore feeding amount calculated value, the steel ball required addition amount calculated value and the steel ball addition feedback amount can be kept and displayed for one period, and the historical trend configuration is made in the CM, so that the steel ball can be permanently searched.
In addition, the ball adding machine control system based on the DCS system platform can be additionally provided with the following functional modules:
the process flow interlocking automatic control module is used for limiting the condition that a ball feeder cannot be started when the real-time ore quantity is too small for a belt for conveying steel balls into the mill and automatically controlling the ball feeder in an interlocking manner during the operation of the mill;
when the ore amount is too small or the belt does not run, the steel balls can be accumulated after reaching the belt or fall towards the tail part of the belt at a low position, the purpose of adding the steel balls cannot be achieved, and meanwhile, potential safety hazards exist. In addition, when the mill is not operated, the addition of the steel balls is meaningless, and potential safety hazards also exist.
The steel ball use addition amount counting module in class and month is characterized in that the actual addition feedback cumulative amount of the steel ball in each set time period is obtained by accessing the system time (day, time, minute and second) of the C300 controller into the comparison module of the CM, the cumulative amount is pushed as historical data of the previous class or the previous month for storage by taking a time node signal as true when the class addition amount counting only needs to be compared and set for comparison, and the current accumulative counting module is reset and used as the current class or the current month addition amount. Data display is carried out on the HMI, and after historical trend configuration is carried out in the CM, the data can be permanently searched.
The manual steel ball supplement and addition control module is characterized in that a frequency interface and steel ball number addition interfaces are designed on a CM program and an HMI operation interface, an operator beats the ball adding machine to a manual state according to needs, the input frequency and the number of steel balls can be started to operate, and the counting device is in a single manual operation mode, finishes adding the steel balls when the feedback number of the counting device is consistent with the set number, and stops immediately.
And the ball-free alarm module of the ball feeder takes the time length of about 6S for the roller to rotate for one circle when the ball feeder operates at 5Hz as an idle ball-free state alarm prompt of the ball feeder, and the alarm is automatically eliminated until feedback signals of the number of the steel balls return to DCS.
The HMI function module of the operation station of the DCS system platform comprises manual/automatic picture configuration, historical trend configuration, operation state configuration of a ball adding machine, sound and light alarm configuration and report function configuration.
Claims (6)
1. The ball feeder control system based on the DCS system platform is characterized by comprising a steel ball counting and outputting device and a DCS detection control system;
the steel ball counting and outputting device is used for adding the steel balls into the roller and metering the number of the steel balls added into the roller;
the DCS detection control system comprises a timing period new ore feeding amount automatic calculation unit, a steel ball demand automatic calculation unit, an actual steel ball adding automatic control unit and an automatic period circulation control unit, wherein:
the automatic calculating unit for the new ore feeding amount in the timing period comprises a timer module, a pulse accumulation module, a condition pushing module and an immediate data storage module, and specifically comprises the following steps:
the timer module is used for setting a time period;
the pulse accumulation module is used for accumulating the total ore input amount and the ore return amount of the hard rocks respectively and triggering the condition pushing module;
the condition pushing module is used for pushing the total ore input amount and the hard rock returning ore amount to the immediate data storage module respectively;
the immediate data storage module is used for calculating the new ore feeding amount in a timing period and pushing data to the steel ball demand automatic calculation unit;
the automatic steel ball demand calculation unit is used for calculating the number of steel balls needing to be added into the mill;
the actual steel ball adding automatic control unit is used for controlling the actual steel ball adding amount to be consistent with the calculated amount and entering the next period after the timing period is finished;
and the automatic period cycle control unit is used for enabling each module to start setting and enable resetting and starting the next timing period.
2. The DCS platform based ball feeder control system of claim 1, wherein the steel ball output device is a cylindrical roller driven by a variable frequency motor to rotate, and the cylindrical surface of the roller is provided with fingers uniformly arranged in a staggered manner in the longitudinal and transverse directions; a steel ball counting device is arranged right above the roller, and the counting device consists of a bracket arranged right above the roller, a photoelectric switch sensor, a brake baffle and a reset plate; the brake baffle and the reset plate are arranged between the bracket and the roller, distributed along the bracket and arranged at the position corresponding to the gripper; the photoelectric switch sensor is a diffuse reflection type photoelectric switch sensor, is arranged on the bracket and is arranged at a position corresponding to the brake baffle, and the surface of the photoelectric switch sensor is used for measuring the signal of the brake baffle.
3. The DCS platform-based ball feeder control system of claim 1, wherein the number of the pulse accumulation module, the condition push module and the immediate data storage module is two, and one module is used for each of the total ore input amount and the hard rock return amount to respectively accumulate the ore amount.
4. A control system for a balling machine based on a DCS system platform as claimed in claim 1, wherein the new feed rate = total feed rate-hard rock return rate in a timed cycle.
5. The DCS platform based ball feeder control system of claim 1, wherein the DCS platform based ball feeder control system is configured to control the ball feeder control system based on the DCS platform
。
6. The DCS system platform based ball feeder control system as claimed in claim 1, wherein the system function module further comprises a process flow interlocking automatic control module, a month-to-month steel ball usage additive amount statistical module, a manual steel ball supplement addition control module, and a ball feeder no-ball alarm module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010736123.7A CN111983982A (en) | 2020-07-28 | 2020-07-28 | Ball feeding machine control system based on DCS system platform |
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| CN112973884A (en) * | 2021-04-16 | 2021-06-18 | 常熟市龙特耐磨球有限公司 | Ball adding method of ore mill |
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| CN112973884A (en) * | 2021-04-16 | 2021-06-18 | 常熟市龙特耐磨球有限公司 | Ball adding method of ore mill |
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