CN106521147A - Pelletizing disc control system and method - Google Patents

Pelletizing disc control system and method Download PDF

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Publication number
CN106521147A
CN106521147A CN201710012639.5A CN201710012639A CN106521147A CN 106521147 A CN106521147 A CN 106521147A CN 201710012639 A CN201710012639 A CN 201710012639A CN 106521147 A CN106521147 A CN 106521147A
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CN
China
Prior art keywords
disk
pelletizing
feed
control
scraper
Prior art date
Application number
CN201710012639.5A
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Chinese (zh)
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CN106521147B (en
Inventor
寿宏飚
潘龙
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中冶北方(大连)工程技术有限公司
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Priority to CN201710012639.5A priority Critical patent/CN106521147B/en
Publication of CN106521147A publication Critical patent/CN106521147A/en
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Publication of CN106521147B publication Critical patent/CN106521147B/en

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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00Preliminary treatment of ores or scrap
    • C22B1/14Agglomerating; Briquetting; Binding; Granulating
    • C22B1/24Binding; Briquetting ; Granulating
    • C22B1/2406Binding; Briquetting ; Granulating pelletizing

Abstract

A pelletizing disc control system and method belong to the technical field of automation of the metallurgical industry. The pelletizing disc control system comprises a pelletizing disc controller, a feed silo meter, a feeding belt batching scale, a water supply flowmeter, a control valve, a pelletizing disc speed sensor and a scraper speed sensor, wherein the sensors acquire data of feed silo material level L, pelletizing disc feed quantity W, supply pipe water addition F, control valve opening degree V, pelletizing disc rotational speed S and scraper rotational speed S1 and send the acquired data to an upper computer and the pelletizing disc controller; the upper computer performs linkage on L and feeding belt speed; the pelletizing disc controller performs linkage on F and W; and an operator can adjust S, S1 and F according to the pelletizing quality and displayed values. As operation of pelletizing discs are centralized on site, the pelletizing quality can be improved more visually and efficiently, and the production efficiency is improved; one person can operate multiple pelletizing discs to pelletize; and frequency signals susceptible to electromagnetic interference are converted into standard current signals which are then transmitted to the upper computer, so that the signal truth and accuracy are guaranteed.

Description

A kind of pelletizing disk control system and method
Technical field
The invention belongs to Metallurgical Industry Automation technical field, and in particular to a kind of pelletizing disk control system and method.
Background technology
Generally existing unit-hour output is low in process of production for disc balling machine, and ball-formation quality is poor, the high problem of rate containing powder.
Pelletizing is the important step of pelletizing production, but due to affecting the factor of pelletizing effect a lot, such as supplied materials composition, grain Degree, the size of feeding coal, amount of water, balling disk (-sc) speed, angle etc., these factors are interrelated, at present, there is no the mathematics of practicality Model, it is difficult to which realization is automatically controlled.General, pelletizing plant is that every disc balling machine arranges post work, observe balling-up granularity, Quality, powder containing quantity etc., and notify control room to rotating speed, confluent, feed by modes such as intercommunications according to the practical experience of production Amount etc. is adjusted.When balling disk (-sc) feeding coal changes, needs are manually adjusted to rotating speed, confluent, feeding coal etc., are operation Personnel bring in a large number, complicated workload.
Additionally, the tach signal of collection in worksite, including balling disk (-sc) rotating speed, scraper rotating speed is all the frequency signal of voltage, is passed The defeated electromagnetic interference for being often subject to scene to control room causes signal jitter and distortion.
The content of the invention
For the deficiency that above-mentioned prior art is present, the present invention provides a kind of pelletizing disk control system and method.
Technical scheme:
A kind of pelletizing disk control system, including:
Pelletizing disk controller, feed silometer, feeding belt burden balance, feed meter, control valve, balling disk (-sc) speed Sensor and scraper speed sensor;
The pelletizing disk controller includes:Crust of the device, isolated location, I/O units, frequency transmitter, central controller, Alarm device and man machine interface;Crust of the device is arranged on balling disk (-sc) front, frequency transmitter, isolated location, I/O units and central authorities Controller is arranged in crust of the device, and alarm device and man machine interface are arranged on crust of the device front surface, are fed silometer It is arranged at the top of feed hopper, feeding belt burden balance are placed on balling disk (-sc) feeding belt, feed meter and control valve are arranged On feed pipe, balling disk (-sc) velocity sensor and scraper speed sensor are respectively arranged on pelletizing coil motor and scraper motor;
The feed silometer outfan, feeding belt burden balance outfan, feed meter outfan and control valve I/O units, balling disk (-sc) velocity sensor outfan and scraper speed sensor output difference are connected by isolated location respectively Rate of connections transmitter, frequency transmitter connect I/O units by isolated location;Isolated location respectively with plantwide control system, Balling disk (-sc) motor inverter input and the connection of scraper motor inverter input, alarm device input connection I/O units, I/ O unit connects the different communication interface of central controller respectively with man machine interface.
Using the pelletizing disk control method of pelletizing disk control system, comprise the steps:
Step 1:Feed hopper thing position bottom threshold, feed hopper material position threshold value, balling disk (-sc) feed are preset in the central controller Amount threshold value, feed pipe amount of water threshold value, balling disk (-sc) rotary speed threshold value and scraper rotary speed threshold value;
Step 2:Feed silometer, feeding belt burden balance, feed meter and control valve are respectively by Real-time Collection Feed hopper material position L, balling disk (-sc) feeding coal W, feed pipe amount of water F and control valve opening V are sent to central control by isolated location Device processed and plantwide control system;Balling disk (-sc) velocity sensor and scraper speed sensor difference Real-time Collection balling disk (-sc) rotating speed S and Scraper rotating speed S1, and after passing sequentially through frequency transmitter and isolated location respectively, it is sent respectively to central controller and plantwide control System;
Step 3:Measured value L, W, F, V, S and S1 for receiving are shown by central controller by man machine interface;
Step 4:Central controller judges whether measured value L, W, F, V, S, S1 exceed default feed hopper material position threshold respectively Value, balling disk (-sc) feeding coal threshold value, feed pipe amount of water threshold value, balling disk (-sc) rotary speed threshold value, scraper rotary speed threshold value, have, and generation includes The alarm logging of time of fire alarming, alarm condition, type of alarm, warning measured value title and alarming value, execution step 5 otherwise, are held Row step 6;The alarming value is the difference of measured value and threshold value;Type of alarm includes:The low warning of feed hopper material position, balling disk (-sc) feed Amount abnormal alarm, water system amount of water abnormal alarm, control valve opening abnormal alarm, balling disk (-sc) rotating speed abnormal alarm, scraper Rotating speed abnormal alarm;
Step 5:Central controller passes through other interface display after collecting to All Alerts record, and according to warning class Type sends different alarm sounds by alarm device;
Step 6:Plantwide control system is interlocked with feeding belt speed to feed hopper thing position L, judges feed hopper material position L Whether feed hopper material position bottom threshold is less than, is, the speed of reduction feeding belt, execution step 7, otherwise, execution step 7;
Step 7:Central controller calculates the ratio of feed pipe amount of water F and balling disk (-sc) feeding coal W, when balling disk (-sc) feeding coal W increases, central controller increase control valve opening V, makes the ratio of feed pipe amount of water F and balling disk (-sc) feeding coal W keep constant;
Step 8:The parameter that site operation personnel is arranged by man machine interface according to ball-formation quality:Balling disk (-sc) rotating speed S, scrape swivel Fast S1 and water system amount of water F are sent to central controller;
Step 9:The parameter that central controller is arranged according to site operation personnel, by balling disk (-sc) motor inverter, scraper Motor inverter progressively adjusts balling disk (-sc) rotating speed and scraper rotating speed, and is added water by adjusting control valve aperture regulation water system Amount, to improve balling-up granularity and quality.
Beneficial effect:The present invention a kind of pelletizing disk control system and method compared with prior art, with following advantage:
(1) balling disk (-sc) operation is concentrated on into scene, more intuitively efficiently improves quality of green pellets, improve production efficiency is reduced Labor intensity, reduces the workload of post work;
(2) it is easy to operate, it is capable of achieving one man operation multiple stage balling disk (-sc) pelletizing;
(3) balling disk (-sc) rotating speed, scraper rotating speed are converted into being adapted to the standard of teletransmission by the frequency signal being easily disturbed on the spot Current signal reaches middle control, it is to avoid impact of the electromagnetic interference to signal.
Description of the drawings
A kind of balling disk (-sc) control system architecture schematic diagrams of the Fig. 1 for one embodiment of the present invention;
A kind of pelletizing disk control system scheme of installations of the Fig. 2 for one embodiment of the present invention;
Wherein, 1- pelletizings disk controller, 2- feed silometers, 3- feeding belt burden balance, 4- feed meters, 5- controls Valve processed, 8- supports, 9- feed hoppers, 10- balling disk (-sc) feeding belts, 11- balling disk (-sc)s, 12- feed pipes, 13- scrapers;
A kind of pelletizing disk control system balling disk (-sc) velocity sensor and scraper speed of the Fig. 3 for one embodiment of the present invention Sensor scheme of installation;
6- balling disk (-sc) velocity sensors, 7- scraper speed sensors;
A kind of balling disk (-sc) control method flow charts of the Fig. 4 for one embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings one embodiment of the present invention is elaborated.
As shown in figure 1, a kind of pelletizing disk control system of present embodiment, including:
Pelletizing disk controller, feed silometer, feeding belt burden balance, feed meter, control valve, balling disk (-sc) speed Sensor and scraper speed sensor;
The pelletizing disk controller includes:Crust of the device, isolated location, I/O units, frequency transmitter, central controller, Alarm device and man machine interface;The isolated location, I/O units, frequency transmitter, central controller are arranged on crust of the device Interior, man machine interface and alarm device are arranged on crust of the device front surface.
The feed silometer outfan, feeding belt burden balance outfan, feed meter outfan and control valve I/O units, balling disk (-sc) velocity sensor outfan and scraper speed sensor output difference are connected by isolated location respectively Rate of connections transmitter, frequency transmitter connect I/O units by isolated location;Isolated location respectively with plantwide control system, Balling disk (-sc) motor inverter input and the connection of scraper motor inverter input, alarm device input connection I/O units, I/ O unit connects the different communication interface of central controller respectively with man machine interface.
As Figure 2-3, the pelletizing disk controller 1 is arranged on 11 front of balling disk (-sc), and feed silometer 2 passes through support 8 are arranged at the top of feed hopper 9, and feeding belt burden balance 3 are placed on balling disk (-sc) feeding belt 10, feed meter 4 and control Valve 5 is arranged on feed pipe 12, balling disk (-sc) velocity sensor 6 and scraper speed sensor 7 be not arranged at 11 motor of balling disk (-sc) and On 13 motor of scraper.
Wherein, it is fed silometer and adopts OPTIWAVE6300C;Feeding belt burden balance adopt ICS-0813DEL;Feedwater Effusion meter adopts 7ME6520-4HC-13-2CB2Y17;Control valve adopts P1000;Balling disk (-sc) velocity sensor adopts RI- 12H10S1-2B5000-C;Scraper speed sensor adopts ZKT-D100H45-51.2B-G8-30E;Data acquisition unit is I/O Unit adopts IBIL24AI4-PAC, IBIL24AO4-PAC or IBIL24DO4-PAC, frequency transmitter to adopt KPAU-B2LA-R, Central controller adopts ILC470ETH2TX, man machine interface to adopt TP10T, isolated location to adopt W5VS-AAA-R or W5DY-AA- R。
As shown in figure 4, using the pelletizing disk control method of pelletizing disk control system, comprising the steps:
Step 1:Feed hopper thing position bottom threshold, feed hopper material position threshold value, balling disk (-sc) feed are preset in the central controller Amount threshold value, feed pipe amount of water threshold value, balling disk (-sc) rotary speed threshold value and scraper rotary speed threshold value;
Step 2:Feed silometer, feeding belt burden balance, feed meter and control valve difference Real-time Collection feed Storehouse material position L, balling disk (-sc) feeding coal W, feed pipe amount of water F and control valve opening V, and in being sent to after isolated location respectively Centre controller and plantwide control system;Balling disk (-sc) velocity sensor and scraper speed sensor difference Real-time Collection balling disk (-sc) rotating speed S and scraper rotating speed S1, and frequency transmitter is passed sequentially through respectively and isolated location is sent to central controller and plantwide control system System;
Step 3:Measured value L, W, F, V, S and S1 for receiving are shown by central controller by man machine interface;
Step 4:Central controller judges whether measured value L, W, F, V, S, S1 exceed default feed hopper material position threshold respectively Value, balling disk (-sc) feeding coal threshold value, feed pipe amount of water threshold value, balling disk (-sc) rotary speed threshold value, scraper rotary speed threshold value, have, and generation includes The alarm logging of time of fire alarming, alarm condition, type of alarm, warning measured value title and alarming value, execution step 5 otherwise, are held Row step 6;The alarming value is the difference of measured value and threshold value;Type of alarm includes:The low warning of feed hopper material position, balling disk (-sc) feed Amount abnormal alarm, water system amount of water abnormal alarm, control valve opening abnormal alarm, balling disk (-sc) rotating speed abnormal alarm, scraper Rotating speed abnormal alarm;
Step 5:Central controller passes through other interface display after collecting to All Alerts record, and according to warning class Type sends different alarm sounds by alarm device;
Step 6:Plantwide control system is interlocked with feeding belt speed to feed hopper thing position L, judges that bin-level is No L is less than feed hopper material position bottom threshold, is, the speed of reduction feeding belt, execution step 7, otherwise, execution step 7;
Step 7:Central controller calculates the ratio of feed pipe amount of water F and balling disk (-sc) feeding coal W, when balling disk (-sc) feeding coal W increases, central controller increase control valve opening V, makes the ratio of feed pipe amount of water F and balling disk (-sc) feeding coal W keep constant;
Step 8:The parameter that site operation personnel is arranged by man machine interface according to ball-formation quality:Balling disk (-sc) rotating speed S, scrape swivel Fast S1 and water system amount of water F are sent to central controller;
Step 9:The parameter that central controller is arranged according to site operation personnel, by balling disk (-sc) motor inverter, scraper Motor inverter progressively adjusts balling disk (-sc) rotating speed and scraper rotating speed, and is added water by adjusting control valve aperture regulation water system Amount, to improve balling-up granularity and quality.

Claims (6)

1. a kind of pelletizing disk control system, it is characterised in that include:
Pelletizing disk controller, feed silometer, feeding belt burden balance, feed meter, control valve, balling disk (-sc) velocity pick-up Device and scraper speed sensor;
The pelletizing disk controller includes:I/O units, central controller, alarm device and man machine interface;
The feed silometer is arranged at the top of feed hopper, and feeding belt burden balance are placed on balling disk (-sc) feeding belt, are given Water ga(u)ge and control valve are may be contained within feed pipe, and balling disk (-sc) velocity sensor and scraper speed sensor are respectively arranged at and make On ball coil motor and scraper motor;
The feed silometer outfan, feeding belt burden balance outfan, feed meter outfan, control valve, pelletizing Disk velocity sensor outfan and scraper speed sensor output connect I/O units and plantwide control system respectively;Report to the police and fill Input connection I/O units are put, I/O units and man machine interface connect central controller respectively.
2. pelletizing disk control system according to claim 1, it is characterised in that the pelletizing disk controller also includes being arranged on The positive crust of the device of balling disk (-sc), I/O units and central controller are arranged in crust of the device, alarm device and man machine interface It is arranged on crust of the device front surface.
3. pelletizing disk control system according to claim 1, it is characterised in that the pelletizing disk controller also includes that isolation is single Unit and frequency transmitter;It is described feed silometer outfan, feeding belt burden balance outfan, feed meter outfan and Control valve connects I/O units, balling disk (-sc) velocity sensor outfan and the output of scraper speed sensor by isolated location respectively End difference rate of connections transmitter, frequency transmitter connect I/O units by isolated location;Isolated location and plantwide control system Connection.
4. pelletizing disk control system according to claim 1, it is characterised in that central controller is also connected by I/O units Balling disk (-sc) motor inverter input and scraper motor inverter input.
5. using the pelletizing disk control method of pelletizing disk control system described in claim 1, it is characterised in that including following step Suddenly:
Step 1:Feed hopper thing position bottom threshold is preset in the central controller;
Step 2:It is fed silometer, feeding belt burden balance, feed meter, control valve, balling disk (-sc) velocity sensor and scrapes Feed hopper material position L of Real-time Collection, balling disk (-sc) feeding coal W, feed pipe amount of water F, control valve are opened by knife velocity sensor respectively Plantwide control system is sent to after degree V, balling disk (-sc) rotating speed S and scraper rotating speed S1, and central control is sent to by I/O units respectively Device processed;
Step 3:Measured value L, W, F, V, S and S1 for receiving are shown by central controller by man machine interface;
Step 4:Plantwide control system is interlocked with feeding belt speed to feed hopper thing position L, whether judges feed hopper material position L Less than feed hopper material position bottom threshold, it is to reduce the speed of feeding belt, and execution step 5, otherwise, execution step 5;
Step 5:Central controller calculates the ratio of feed pipe amount of water F and balling disk (-sc) feeding coal W, when balling disk (-sc) feeding coal W increases Plus, central controller increase control valve opening V makes the ratio of feed pipe amount of water F and balling disk (-sc) feeding coal W keep constant;
Step 6:Balling disk (-sc) rotating speed S, scraper rotating speed S1 and confession that site operation personnel is arranged by man machine interface according to ball-formation quality Water system amount of water F is sent to central controller;
Step 7:The parameter that central controller is arranged according to site operation personnel, progressively adjust balling disk (-sc) rotating speed, scraper rotating speed and Water system amount of water, to improve balling-up granularity and quality.
6. pelletizing disk control method according to claim 5, it is characterised in that the pelletizing disk controller is additionally operable to sentence respectively Whether disconnected measured value L, W, F, V, S, S1 exceed default feed hopper material position threshold value, balling disk (-sc) feeding coal threshold value, water system adds Water yield threshold value, balling disk (-sc) rotary speed threshold value, scraper rotary speed threshold value, are that generation includes time of fire alarming, alarm condition, type of alarm, report The alarm logging of alert measured value title and alarming value, and All Alerts record is collected and shown, sent out according to type of alarm Go out different alarm sounds, otherwise, execution step 4;The alarming value is the difference of measured value and corresponding threshold value;Type of alarm includes: The low warning of feed hopper material position, balling disk (-sc) feeding coal abnormal alarm, water system amount of water abnormal alarm, control valve opening are reported extremely Police, balling disk (-sc) rotating speed abnormal alarm, scraper rotating speed abnormal alarm.
CN201710012639.5A 2017-01-09 2017-01-09 A kind of pelletizing disk control system and method CN106521147B (en)

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CN106521147B CN106521147B (en) 2018-05-25

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109988910A (en) * 2019-04-28 2019-07-09 湖南长天自控工程有限公司 A kind of amount of water adjusting method and device for pelletizer
CN109988906A (en) * 2019-04-28 2019-07-09 湖南长天自控工程有限公司 A kind of amount of water adjusting method and device for pelletizer
CN109988904A (en) * 2019-04-28 2019-07-09 湖南长天自控工程有限公司 A kind of amount of water adjusting method and device for pelletizer
CN109988905A (en) * 2019-04-28 2019-07-09 中冶长天国际工程有限责任公司 A kind of material adjusting method and device for pelletizer

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109988910A (en) * 2019-04-28 2019-07-09 湖南长天自控工程有限公司 A kind of amount of water adjusting method and device for pelletizer
CN109988906A (en) * 2019-04-28 2019-07-09 湖南长天自控工程有限公司 A kind of amount of water adjusting method and device for pelletizer
CN109988904A (en) * 2019-04-28 2019-07-09 湖南长天自控工程有限公司 A kind of amount of water adjusting method and device for pelletizer
CN109988905A (en) * 2019-04-28 2019-07-09 中冶长天国际工程有限责任公司 A kind of material adjusting method and device for pelletizer
CN109988910B (en) * 2019-04-28 2020-12-04 湖南长天自控工程有限公司 Water adding amount adjusting method and device for pelletizer

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