CN102517049A

CN102517049A - Intelligent coke feeding control method

Info

Publication number: CN102517049A
Application number: CN2012100011100A
Authority: CN
Inventors: 刘海东; 张长青; 关宏宇
Original assignee: Acre Coking and Refractory Engineering Consulting Corp MCC
Current assignee: Acre Coking and Refractory Engineering Consulting Corp MCC
Priority date: 2012-01-04
Filing date: 2012-01-04
Publication date: 2012-06-27
Anticipated expiration: 2032-01-04
Also published as: CN102517049B

Abstract

The invention relates to an intelligent coke feeding control method for realizing the automatic positioning of a coke quenching vehicle on a coke bench, automatic delay coke feeding, and the automatic control of coke feeding quantity. A control system sends out a control signal to ensure that the coke quenching vehicle stops on the unit area of a coke bench, which is nearest to the coke quenching vehicle and loaded with no coke, and the quenched coke on the coke quenching vehicle is unloaded to the unit area of the coke bench; the control system sends out another control signal to the variable frequency motor and the actuating mechanism of a coke feeder, so that the automatic delay coke feeding for the corresponding unit area is realized, the electronic scale of a belt conveyor weighs coke on the belt conveyor instantaneously, and when the weight of the coke is out of the range of set values, the variable frequency motor of the coke feeder is adjusted and driven automatically to control the coke feeding quantity of the coke feeder. The method has the advantages that the degree of automation is high; unmanned operation can be realized; coke feeding quantity can be controlled effectively; and the coke feeding of a system is uniform, safe and reliable.

Description

A kind of intelligence is put burnt control method

Technical field

The present invention relates to a kind of Jiao Tai that is used for coke-oven plant's wet quenching and put burnt control method.

Background technology

At present, the process of coke-oven plant's wet quenching is: pack the pyritous coke in the quenching car into through the cooperation of pushing machine, coke guide, and move under the coke quenching tower, by the water spray quench system in the coke quenching tower coke is cooled off.Coke after will putting out well by quenching car again is put on the Jiao Tai.The Jiao Tai effect is with the burnt cooling of the mixing after the coke wet quenching, draining, transpiring moisture, and replenishes quenching to remaining red Jiao.Burnt about 30 minutes of the time of the cold of coke on Jiao Tai generally.Jiao Tai is following to adopt mechanize to put Jiao, sees the burnt endless belt conveyor of fortune that mixing Jiao who slides from Jiao Tai scrapes in the ditch of burnt tableland equably off.

Domestic each coke-oven plant is commonly used puts burnt system and method for work is: quenching car will put out the idle area that coke after good is discharged to coke through the quenching car driver observation Jiao Tai; Keep watch on by burnt platform operative employee then and unsnatch about 30 minutes of back timing; Burnt platform operative employee estimates red defocused that nothing do not put out, and manually boots at the burnt machine drive-motor of putting of this zone.The last coke of Jiao Tai drops down onto on the burnt platform major groove endless belt conveyor.Used electronic of present burnt platform put burnt machinery has scraper plate to put burnt machine, impeller coke transporting machine and coke-drawing machine etc.This puts burnt process need operator manual observation control, and coke needs operator to write down the burnt order of putting of each section on Jiao Tai, and the burnt time put in record; Putting burnt machine puts burnt amount size and can not regulate according to practical situation; Level of automation is low, at abominable site environment, wholely puts a plurality of operator's executivecontrol functions of burnt process need, and labor intensity of operating personnel is big.

Summary of the invention

For overcoming the deficiency of prior art, the purpose of this invention is to provide a kind of intelligence and put burnt control method, this method level of automation is high, can realize unattendedly, and can effectively control and puts burnt amount, and it is evenly burnt, safe and reliable that system is put.

For realizing above-mentioned purpose, the present invention realizes through following technical scheme:

A kind of intelligence is put burnt control method, and this method can realize automatically that quenching car is located in the position of Jiao Tai, automatic time delay is put Jiao and put burnt automatic control of measuring, specifically may further comprise the steps:

1) according to the length of Jiao Tai, Jiao Tai is divided into a plurality of unit areas, and with each unit area numbering;

2) material detection device detects on each Jiao Tai unit area whether be placed with coke, and detection signal is sent to system;

3) system is sent the burnt locating device of putting that controls signal to apart from quenching car on the nearest and Jiao Tai unit area that do not place coke; Put burnt locating device startup the quenching car that gets into this unit area is stopped, quenching car will put out good coke and be discharged to this Jiao Tai unit area;

4) system is sent to control signal to and is put burnt machine variable-frequency motor and topworks, realizes putting burnt corresponding unit zone automatic time delay and puts Jiao, and coke is fallen into endless belt conveyor;

5) on endless belt conveyor, be provided with electronic scales; Electronic scales is measured the coke on the endless belt conveyor in real time; The weight of coke that records is compared with set(ting)value, adjust automatically when going beyond the scope and drive the variable-frequency motor and the topworks of putting burnt machine, the burnt amount of putting of burnt machine is put in control.

Described method also is provided with the red burnt step that detects, and in the time-delay process of step 4), if detecting the Jiao Tai unit area has red Jiao who does not put out, then continues time-delay, till detecting less than red Jiao; And then carry out step 5).

Compared with prior art, the invention has the beneficial effects as follows:

Level of automation is high, has realized putting at the abominable situ production Jiao Tai of environment the automatic control of burnt process; Can realize unattended automated operation, safe and reliable, also can realize putting Jiaozhuo remote monitoring already, the upper computer management.

Description of drawings

Fig. 1 is that system of the present invention forms synoptic diagram.

Fig. 2 is a systematic schematic diagram of the present invention.

Among the figure: 1-PLC system 2-material detection device 3-is put the red burnt proofing unit of burnt locating device 4-

The burnt platform 9-of 5-variable-frequency motor 6-electronic scales 7-endless belt conveyor 8-quenching car

Embodiment

Below in conjunction with accompanying drawing to the present invention in concrete production and make as describing in further detail.

See Fig. 1, Fig. 2; A kind of intelligence is put burnt system; Comprise PLC system 1, material detection device 2, put burnt locating device 3, red burnt proofing unit 4, variable-frequency motor 5, electronic scales 6; Be provided with material detection device 2, red burnt proofing unit 3 in the Jiao Tai unit area; In quenching car 9 trackside a plurality of burnt locating devices 3 of putting are set, electronic scales 6 is arranged on the endless belt conveyor 7, material detection device 2, red burnt proofing unit 3 and put burnt locating device 3, electronic scales 6 communicates with the PLC system respectively.

Material detection device 2 is used for detecting on the burnt platform unit 8 zone whether be placed with coke, and detection signal is sent to PLC system 1; Whether red burnt proofing unit 3 real-time detection Jiao Tai unit areas have is not put out red Jiao, and detected result is sent to PLC system 1; Put burnt locating device 3 and receive the wave of PLC system, the control quenching car stops in and Jiao Tai unit area that do not place coke nearest apart from quenching car 9; Coke on 6 pairs of endless belt conveyor of electronic scales is measured in real time, and the weight of coke signal that records is passed to the PLC system;

Variable-frequency motor 5 and actuating mechanism controls are put burnt machine and are put the burnt open and-shut mode of opening door; On endless belt conveyor, be provided with electronic scales; Electronic scales is measured the coke on the endless belt conveyor in real time; The weight of coke that records is compared with set(ting)value, adjust automatically when going beyond the scope to drive to put the variable-frequency motor 5 of burnt machine and put burnt machine and open a door topworks, Jiao's amount of burnt machine is put in control.

1) based on the length of burnt platform 8, burnt platform 8 is divided into a plurality of unit areas, and with each unit area numbering;

2) material detection device 2 detects on each Jiao Tai unit area whether coke is arranged, and detection signal is sent to the PLC system;

3) the PLC system is sent the burnt locating device 3 of putting that controls signal to apart from quenching car on the nearest and Jiao Tai unit area that do not place coke; Put burnt locating device 3 startups the quenching car 9 that gets into this unit area is stopped, quenching car 9 will put out good coke and be discharged to this Jiao Tai unit area;

4) the PLC system is sent to control signal to put burnt machine variable-frequency motor 5 and put burnt machine and is opened door topworks, realizes putting burnt corresponding unit zone automatic time delay and puts Jiao, and coke is fallen into endless belt conveyor 7; It is that the coke that put out is cooled completely that burnt purpose is put in time-delay, is convenient to next step operation.

5) on endless belt conveyor 7, be provided with electronic scales 6, the coke on 6 pairs of endless belt conveyor 7 of electronic scales is measured in real time, and the weight of coke that records is compared with set(ting)value, adjusts automatically when going beyond the scope and drives the variable-frequency motor 5 of putting burnt machine, and the burnt amount of putting of burnt machine is put in control.

Also can comprise the red burnt step that detects in the described method, in the time-delay process of step 4), if detecting the Jiao Tai unit area has red Jiao who does not put out, then continue time-delay, till detecting less than red Jiao; And then carry out step 5).

The PLC system also can be connected with the far-end watch-keeping cubicle, realizes putting the remote monitoring of Jiaozhuo industry, realizes that finally Jiao Tai puts the unmanned operation of burnt operation.

Claims

1. an intelligence is put burnt control method, it is characterized in that, this control method can realize that quenching car is located in the position of Jiao Tai automatically, automatic time delay is put Jiao and put burnt automatic control of measuring, specifically may further comprise the steps:

2. a kind of intelligence according to claim 1 is put burnt control method, it is characterized in that, described method also is provided with the red burnt step that detects; In the time-delay process of step 4); If detecting the Jiao Tai unit area has red Jiao who does not put out, then continue time-delay, till detecting less than red Jiao.