CN101434844B - Foal feeding amount control system for coke oven coal feeding cart - Google Patents
Foal feeding amount control system for coke oven coal feeding cart Download PDFInfo
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- CN101434844B CN101434844B CN2008101364781A CN200810136478A CN101434844B CN 101434844 B CN101434844 B CN 101434844B CN 2008101364781 A CN2008101364781 A CN 2008101364781A CN 200810136478 A CN200810136478 A CN 200810136478A CN 101434844 B CN101434844 B CN 101434844B
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Abstract
The invention discloses a control system used for controlling the coal feeding quantity of a coke oven coaling vehicle; the coke oven coaling vehicle comprises a coal receiving hopper (1), and a vehicle body of the coaling vehicle; the coal receiving hopper (1) is provided with a coal hopper gate plate (12) which is used for arranging the coal; and the coal receiving hopper (1) is connected with the vehicle body by a plurality of weighing sensors (2, 3, 4). By adopting the technical proposal and applying the weighing sensors and the control of PLC, the coal can be added automatically, fast, precisely and quantitatively, the coal feeding quantity of the coking chamber, the pollution is reduced, the labor intensity of the worker is reduced, the flatting time is reduced, phenomena of corner loss of the coal and furnace hole blockage by the coal and coke discharging times not at regular points are obviously reduced, and the labor productivity is greatly improved.
Description
Technical field
The invention belongs to the technical field of metallurgical industry production unit, specifically, the present invention relates to a kind of coke oven and add coal car coal amount control system.
Background technology
At present, in metallurgical industry was produced, coke oven added the coal-adding type of coal car, generally adopts the vertical spin blanking.The spiral blanking is made up of change speed motor, speed reduction unit, transmission rig and screw mechanism.The number of turns of screw is used near switch and is detected, and detected signal is given PLC, in program, counts the output of relay with telltale.Change speed motor is used double-speed motor more, and double-speed motor drives speed reduction unit, and speed reduction unit drives transmission rig, and transmission rig drives the screw that adds in the coal bunker, controls the coal amount by the revolution of spiral.Preceding 6 circles of spiral are at a slow speed, and 6 circle back double-speed motors change high-speed cruising automatically, and inverse 20 circles of program convert SR again into, so that pushing machine is put down coal.The spiral blanking velocity is more slow, and is more satisfactory to the coal error control with the mode of spiral control, but coal is softer in coking chamber; Bulk density is less, and screw feeder butt coal amount is less, and single oven coke output is few; Coke oven production capacity and efficient are not high, are unfavorable for saving energy and reduce the cost.Spiral blanking time while is longer, influences the rhythm that coke oven is produced, and influences the productivity of coke.
Summary of the invention
Problem to be solved by this invention provides a kind of coke oven and adds coal car coal amount control system, its objective is the automatic control of realization to the coal amount, makes mode very simple, accurate, reduces the error of single stove coal amount.
To achieve these goals, the technical scheme taked of the present invention is:
This coke oven provided by the present invention adds coal car coal amount control system; Described coke oven adds the car body that coal car comprises the bucket of coalingging, adds coal car; Establish the coal bunker flashboard that is used to coaling on the described bucket of coalingging, the described bucket of coalingging links to each other with described car body through a plurality of LOAD CELLSs.
For making the present invention more perfect, more detailed and concrete technical scheme below also further having proposed, to obtain best practical function, realize goal of the invention better, and improve novelty of the present invention and creativeness:
The bucket of coalingging is provided with 3 point of suppon and is connected with described car body, and described 3 point of suppon are uniform distribution on the horizontal plane periphery of bucket of coalingging, and a described LOAD CELLS is installed on each point of suppon.
Establish PLC in the described coal amount control system, be provided with power module, CPU module, analog quantity load module and switching value output module among the described PLC.
Establish weighing controller in the described coal amount control system, described LOAD CELLS is connected with weighing controller through sensor signal lines, and will the coaling weight that struggles against of described LOAD CELLS converts standard signal to and sends weighing controller to; Described weighing controller is connected with PLC through the form of cable with standard signal.
Weighing controller is connected with analog quantity load module among the PLC through the standard signal line; The output of described weighing controller with the relevant standard signal of bucket weight of coalingging; After the analog quantity load module processing through described PLC, send described CPU module to and handle.
Establish SV and hydro-cylinder in the described coal amount control system, described SV is located on the control oil circuit of hydro-cylinder, and described coal bunker flashboard is by the Driven by Hydraulic Cylinder opening and closing, and promptly the moving parts of said hydro-cylinder is connected with the coal bunker flashboard; The electromagnetic control structure of described SV is connected with described PLC through cable.The electromagnetic control structure of described SV is connected with switching value output module among the described PLC through cable.
Establish touch-screen in the described coal amount control system, described touch-screen is connected with described PLC through the MPI communication line.Touch-screen is connected with CPU module among the PLC through the MPI communication line.
The present invention adopts technique scheme, uses the control of LOAD CELLS and PLC, can realize automatic, quick, accurate quantification coal; Increased the coal amount of coking chamber; Reduce and pollute, reduced working strength of workers, reduced the flat coal time; Coal unfilled corner, the stifled fire door phenomenon of coal and the number of times that do not discharge of the coke are on schedule obviously descended, improved labour productivity greatly.
Description of drawings
The mark of facing down among expressed content of this Figure of description and the figure is made brief description:
Fig. 1 is a structural representation of the present invention.
Be labeled as among the figure:
1, the bucket of coalingging, 2, LOAD CELLS, 3, LOAD CELLS, 4, LOAD CELLS; 5, sensor signal lines, 6, weighing controller, 7, the standard signal line, 8, cable; 9, SV, 10, SV, 11, hydro-cylinder, 12, the coal bunker flashboard; 13, PLC, 14, touch-screen, 15, the MPI communication line.
Embodiment
Contrast accompanying drawing below; Through description to embodiment; Effect and principle of work, the ME of mutual alignment between the shape of specific embodiments of the invention such as related each member, structure, the each several part and annexation, each several part and manipulate method etc.; Do further detailed explanation, inventive concept of the present invention, technical scheme are had more complete, accurate and deep understanding to help those skilled in the art.Additional numeral is the reference numerals in the accompanying drawing behind the technical characterictic.
The of the present invention structure expressed like Fig. 1, the present invention adds coal car coal amount control system for a kind of coke oven, and described coke oven adds the car body that coal car comprises the bucket 1 of coalingging, adds coal car, establishes the coal bunker flashboard 12 that is used to coaling on the described bucket 1 of coalingging.
In order to solve the problem that exists at the described present known technology of this specification sheets background technology part and to overcome its defective; Realization to the automatic control of coal amount, make mode very simple, accurately; Reduce the goal of the invention of the error of single stove coal amount, the present invention takes following technical scheme:
As shown in Figure 1, this coke oven of the present invention adds coal car coal amount control system, and the bucket 1 of coalingging wherein links to each other with described car body through LOAD CELLS 2, LOAD CELLS 3 and LOAD CELLS 4.
Adopt technique scheme; Use LOAD CELLS and combine the control of PLC, form the electric control system that coke oven adds coal car coal amount, the gravity control of coal amount can solve the little problem of dump density in the coking chamber; Butt coal amount is many, and single oven coke output is big.Therefore, technique scheme can realize automatically, quick, accurate quantification coal, makes coal control very simple, accurate; Make single stove coal amount error control in ± 50Kg; Increase the coal amount of coking chamber, reduced and pollute, reduced working strength of workers, reduced the flat coal time, coal unfilled corner, the stifled fire door phenomenon of coal and the number of times that do not discharge of the coke are on schedule obviously descended, improved labour productivity greatly.
Practical implementation example below the present invention also provides, those skilled in the art can be with reference to selecting for use when embodiment of the present invention:
Embodiment one:
The bucket 1 of coalingging described in the present invention is provided with 3 point of suppon and is connected with described car body; Described 3 point of suppon are uniform distribution on bucket 1 the horizontal plane periphery of coalingging, and a described LOAD CELLS 2, LOAD CELLS 3, LOAD CELLS 4 are installed on each point of suppon.
The bucket 1 of coalingging is an independent body of active with respect to car body; The bucket 1 of coalingging links to each other with the car body that adds coal car through three LOAD CELLSs; The standard signal of LOAD CELLS output 4-20mA; Give weighing controller 6, the corresponding tonnage number of 4mA and 20mA standard signal is set on weighing controller 6, standard signal is linearly proportional with corresponding tonnage number.
Embodiment two:
Establish PLC13 in the coal amount control system described in the present invention, comprise power module, CPU module, analog quantity load module and switching value output module among the described PLC13.Described PLC is the programable unit, is a kind of novel electrical control gear.PLC has the following advantages: safety is high, immunity from interference is strong; That system constitutes is simple, combined and instant, highly versatile; Programming is simple, and working service is convenient; Function is strong, have wide range of applications; Volume is little, in light weight, low in energy consumption.The electric current that the present invention utilizes PLC to detect motor is controlled the running of motor through the size that compares load current.Wherein, power module provides the work energy of PLC; The CPU module is a central processing unit, is the core components and parts of PLC; The analog quantity load module accepts to add the simulating signal of coal weight, and becomes numerary signal to send the CPU resume module to through treatment conversion; The switching value output module is accepted the steering order of CPU, need be sent to the control device of topworks by the action command that topworks implements through soft relay.
Embodiment three:
Establish weighing controller 6 in the coal amount control system of the present invention; Press the example among Fig. 1; Described LOAD CELLS is respectively LOAD CELLS 2, LOAD CELLS 3 and LOAD CELLS 4; Each above-mentioned LOAD CELLS is connected with weighing controller 6 through sensor signal lines 5, and will coaling struggle against 1 weight of described LOAD CELLS 2, LOAD CELLS 3, LOAD CELLS 4 converts standard signal to and sends weighing controller 6 to; Described weighing controller 6 is connected with PLC13 through standard signal line 7.The standard signal line that this calibration signal line 7 is 4mA and 20mA.
The standard signal of LOAD CELLS output 4-20mA is given weighing controller 6, and the corresponding tonnage number of 4mA and 20mA standard signal is set on weighing controller, and standard signal is linearly proportional with corresponding tonnage number.The standard signal of weighing controller 6 outputs sends the analog quantity load module of PLC13 to, uses for the CPU computing.After configuring parameter according to the needs of production technique, add coal car and under the coal tower, connect coal, the coal amount reaches PLC13 after the set(ting)value, can control corresponding rly., by cut-off coal bunker flashboard 12, thereby reaches automatically the accurately purpose of control.
Embodiment four:
Weighing controller 6 described in the present invention is connected with analog quantity load module among the PLC13 through standard signal line 7; 6 outputs of described weighing controller be analog quantity with the relevant standard signal of bucket 1 weight of coalingging; After the analog quantity load module processing through described PLC13, send described CPU module to and handle.The analog quantity load module of PLC13 is the numerary signal that becomes CPU to handle the analog signal conversion by weighing controller 6 inputs.
Embodiment five:
Establish SV 9, SV 10 and hydro-cylinder 11 in the coal amount control system described in the present invention; Described SV 9, SV 10 are located on the control oil circuit of hydro-cylinder 11; Described coal bunker flashboard 12 drives opening and closing by hydro-cylinder 11, and the moving parts of promptly said hydro-cylinder 11 is connected with the on-off mechanism of coal bunker flashboard 12; The electromagnetic control structure of described SV 9, SV 10 is connected with described PLC13 through cable 8.
SV 9, SV 10 are accepted the switching value wave of PLC; Make the armature adhesive or the release of the motion of control valve core of the electromagnetic valve; Realize the break-make of hydro-cylinder 11 control oil circuits or the switching of traffic direction; And then realize the cylinder body of hydro-cylinder 11 and the relative movement of piston, make coal bunker flashboard 12 open or close.
The cylinder body of hydro-cylinder 11 is connected with the bucket 1 of coalingging, and piston is connected with coal bunker flashboard 12; Perhaps the cylinder body of hydro-cylinder 11 is connected with coal bunker flashboard 12, and piston is connected with the bucket 1 of coalingging.
Embodiment six:
The electromagnetic control structure of the SV 9 described in the present invention, SV 10 is connected with switching value output module among the described PLC13 through cable 8.This switching value output module adopts soft relay output to carry out the signal of action.
Embodiment seven:
Establish touch-screen 14 in the coal amount control system described in the present invention, described touch-screen 14 is connected with described PLC13 through MPI communication line 14.
The present invention adopts touch-screen 14 to show and carries out the data input operation, and parameters such as the coal of the action midway amount of needs adjustment, whole coal amount, moisture are inputed on touch-screen among the PLC13, can adjust control to these parameters at any time.Can also the numerical value among the PLC13, variable state be shown on this screen simultaneously.Operator can make things convenient for, independent completion coal amount, the isoparametric adjustment work of moisture like a cork.
Embodiment eight:
Touch-screen 14 described in the present invention is connected with CPU module among the PLC13 through MPI communication line 14.The display window of pusher side, centre, coke side coal amount and wet basis moisture is set on touch-screen 14, links to each other through the MPI agreement between the CPU module on touch-screen 14 and the PLC13.
Embodiment nine:
When influenced by the gravity etc. of coal bunker coal, the data of institute's weighing are affected.For addressing this problem; Get moment that the back coal bunker flashboard 12 that puts in place under the sleeve opens alleged numerical value as initial weight, these data are stored in the DB of PLC13, when last numerical value during smaller or equal to the difference of initial value and set(ting)value; Close coal bunker flashboard 12, finish coal.
Embodiment ten:
The moist degree of coal equally also has influence on theoretical coal amount, needs to cut water parameters when the PLC13 internal calculation.
Combine accompanying drawing that the present invention has been carried out exemplary description above; Obviously the concrete realization of the present invention does not receive the restriction of aforesaid way; As long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; Or design of the present invention and technical scheme are directly applied to other occasion without improving, all within protection scope of the present invention.
Claims (7)
1. a coke oven adds coal car coal amount control system, and described coke oven adds the car body that coal car comprises the bucket (1) of coalingging, adds coal car, and the described bucket (1) of coalingging is provided with the coal bunker flashboard (12) that is used to coaling;
The described bucket (1) of coalingging links to each other with described car body through a plurality of LOAD CELLSs;
Establish PLC (13) in the described coal amount control system, be provided with power module, CPU module, analog quantity load module and switching value output module among the described PLC (13);
It is characterized in that:
Establish weighing controller (6) in the described coal amount control system; Described LOAD CELLS is connected with weighing controller (6) through sensor signal lines (5), and will the coaling weight of bucket (1) of described LOAD CELLS converts standard signal to and sends weighing controller (6) to; Described weighing controller (6) is connected with PLC (13) through standard signal line (7).
2. add coal car coal amount control system according to the described coke oven of claim 1; It is characterized in that: the described bucket (1) of coalingging is provided with 3 point of suppon and is connected with described car body; Described 3 point of suppon are uniform distribution on the horizontal plane periphery of bucket (1) of coalingging, and a described LOAD CELLS is installed on each point of suppon.
3. add coal car coal amount control system according to the described coke oven of claim 1; It is characterized in that: described weighing controller (6) is connected with analog quantity load module among the PLC (13) through standard signal line (7); Described weighing controller (6) output with the relevant standard signal of bucket (1) weight of coalingging; After the analog quantity load module processing through described PLC (13), send described CPU module to and handle.
4. add coal car coal amount control system according to claim 1 or 2 or 3 described coke ovens; It is characterized in that: establish SV (9,10) and hydro-cylinder (11) in the described coal amount control system; Described SV is located on the control oil circuit of hydro-cylinder (11); Described coal bunker flashboard (12) drives opening and closing by hydro-cylinder (11), and the moving parts of promptly said hydro-cylinder (11) is connected with coal bunker flashboard (12); The electromagnetic control structure of described SV is connected with described PLC (13) through cable (8).
5. add coal car coal amount control system according to the described coke oven of claim 4, it is characterized in that: the electromagnetic control structure on the described SV is connected with switching value output module among the described PLC (13) through cable (8).
6. add coal car coal amount control system according to claim 1 or 2 or 3 or 5 described coke ovens, it is characterized in that: establish touch-screen in the described coal amount control system, described touch-screen is connected with described PLC (13) through the MPI communication line.
7. add coal car coal amount control system according to the described coke oven of claim 5, it is characterized in that: described touch-screen is connected with CPU module among the PLC (13) through the MPI communication line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101364781A CN101434844B (en) | 2008-12-15 | 2008-12-15 | Foal feeding amount control system for coke oven coal feeding cart |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008101364781A CN101434844B (en) | 2008-12-15 | 2008-12-15 | Foal feeding amount control system for coke oven coal feeding cart |
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| CN101434844A CN101434844A (en) | 2009-05-20 |
| CN101434844B true CN101434844B (en) | 2012-04-04 |
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| CN2008101364781A Active CN101434844B (en) | 2008-12-15 | 2008-12-15 | Foal feeding amount control system for coke oven coal feeding cart |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102965125A (en) * | 2012-11-29 | 2013-03-13 | 马钢(集团)控股有限公司 | Coal top loading type coke oven coal-loading truck |
| CN104962297A (en) * | 2015-06-23 | 2015-10-07 | 山西太钢不锈钢股份有限公司 | Method for controlling coal capacity of large coal charging car for coke ovens |
| CN108117875B (en) * | 2016-11-29 | 2020-01-31 | 宝山钢铁股份有限公司 | Method for detecting blockage of coal feeding port of coke ovens |
| CN108871523B (en) * | 2018-08-01 | 2024-04-05 | 马鞍山钢铁股份有限公司 | Unmanned device, system and method for precisely counting coal leveling quantity |
| CN109508045B (en) * | 2018-12-17 | 2021-09-10 | 中国航空工业集团公司北京航空精密机械研究所 | PLC-based sleeve position accurate adjustment control method and device |
| CN113467386B (en) * | 2020-03-30 | 2023-06-09 | 上海梅山钢铁股份有限公司 | Method for accurately measuring coal feeding amount of carbonization chamber of coke oven |
| CN112552930A (en) * | 2020-11-24 | 2021-03-26 | 新乡贝诺电子信息技术有限公司 | Coking feeding equipment convenient for pretreatment and controllable in feeding speed |
| CN113372929A (en) * | 2021-06-25 | 2021-09-10 | 马鞍山钢铁股份有限公司 | Process system and method for adjusting temperature of furnace top space |
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| CN101124301A (en) * | 2005-02-16 | 2008-02-13 | 沙尔克尔钢铁机械制造有限公司 | Coke quenching car and method for measuring the weight of coke |
| CN201301302Y (en) * | 2008-10-30 | 2009-09-02 | 芜湖新兴铸管有限责任公司 | Coke oven coal car fed-coal controlling system |
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2008
- 2008-12-15 CN CN2008101364781A patent/CN101434844B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101124301A (en) * | 2005-02-16 | 2008-02-13 | 沙尔克尔钢铁机械制造有限公司 | Coke quenching car and method for measuring the weight of coke |
| CN201301302Y (en) * | 2008-10-30 | 2009-09-02 | 芜湖新兴铸管有限责任公司 | Coke oven coal car fed-coal controlling system |
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