CN103057981B - Contractive material stacking device and material stacking method - Google Patents
Contractive material stacking device and material stacking method Download PDFInfo
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- CN103057981B CN103057981B CN201210547665.5A CN201210547665A CN103057981B CN 103057981 B CN103057981 B CN 103057981B CN 201210547665 A CN201210547665 A CN 201210547665A CN 103057981 B CN103057981 B CN 103057981B
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Abstract
The invention relates to a contractive material stacking device which is applied to smelting industry and comprises a mixing stacker and moving tracks, a first probe which can generate electric signals when touching top of material stacks is arranged beside a centering hopper of the mixing stacker, a cantilever of the mixing stacker is provided with a second probe in a suspension mode though a guide rod, vertical guide rails are arranged on a machine frame of the mixing stacker, and the second probe moves vertically along the guide rails. The device also comprises a tilt limit and a vertical limit which are positioned between the material stacks and the mixing stacker, roots of the tilt limit and the vertical limit respectively face the starting point and the finishing point of the material stacks, and the second probe can detect the tilt limit and the vertical limit to generate electric signals when moving horizontally to positions facing the tilt limit and the vertical limit. The invention further relates to a contractive material stacking method utilizing the contractive material stacking device. The method comprises setting the positions of the tilt limit and the vertical limit and an angle of the tilt limit; setting a single lifting height of the cantilever in a controller; starting the mixing to start material stacking; and finishing the material stacking by automatically stopping the mixing stacker.
Description
Technical field
The present invention relates to a kind of method being applied to the contracting heap material stocking device in metallurgy industry and carrying out windrow with this device.
Background technology
At present, Iron industry produce in, mixing material Stock mode be mainly divided into determine starting point determine terminal, change starting point determine terminal two kinds of Stock mode.Both differences are that the former starting point and terminal are constant, and namely mixed-windrowed locomotive does the motion of round windrow all the time in a constant distance; The latter's starting point in whole windrow process be change, terminal is constant, in whole windrow process mixed-windrowed locomotive one according to job requirement apart from doing round windrow work in diminishing region.The stockpile that two kinds of modes finally pile is different in the structure of material grade: the mixing stockpile that the former is formed exists butt ends material, trunk material and head material.When cutting mixing material, trunk material is special quality mixing material, and the fluctuation of head material composition can not send into sintering as finished product material very greatly, can only take away and carry out secondary mixing.The latter also can produce butt ends material and the trunk material of the taste of same material, but the bed blending quality of the head material material of the latter more levels off to trunk material, and the needs that can meet subsequent processing reluctantly are directly delivered to sintering.Both compare, and the latter is one production process less, more advanced in Stock mode.
The ironmaking enterprise of domestic advanced person adopts according to technical strength and becomes the contracting heap Stock mode that starting point determines terminal, and it is current state-of-the-art technology, utilizes the memory function of PLC, realizes the object that free setting stockpile is spacing, completes this windrow process.There are some shortcomings in this bedding technology: complexity of designing program, requires that high, expense has high input to staff's technical ability and hardware configuration.The reason of technical limitation causes this bedding technology can only realize the windrow of 9 change starting points at present.In actual production, to change number of times more for starting point, and the composition of end material just more levels off to trunk material, and the fluctuation produced the sintering process in next portion could be less.
Summary of the invention
The present invention provides a kind of windrow realizing becoming more frequently starting point for solving in known technology the technical matters that exists, makes the composition of head material more level off to trunk material, reduces the contracting heap material stocking device to the fluctuation that next step technique produces.
The technical scheme that the present invention takes for the technical matters existed in solution known technology is: a kind of contracting heap material stocking device comprises mixed-windrowed locomotive and moving track thereof, produces the first probe of electric signal when the centering hopper side of described mixed-windrowed locomotive is provided with at touching stockpile top; The cantilever of described mixed-windrowed locomotive is also provided with the second probe by guide rod hanger, the frame of described mixed-windrowed locomotive is provided with vertical guide rail, described second probe moves up and down along this guide rail; Also comprise between described stockpile and mixed-windrowed locomotive, root respectively just to the start position of described stockpile with the inclination in final position is spacing and vertically spacing, described second probe described mixed-windrowed locomotive horizontal motion to just to described inclination spacing and vertical spacing time detect both and produce electric signal.
Advantage of the present invention and good effect are: the present invention to becoming starting point in prior art, determine the contracting of terminal heap material stocking device and carried out effective improvement.Change starting point of the prior art, determine terminal contracting heap material stocking device comprise mixed-windrowed locomotive and control system, contracting is piled windrow process and is relied on PLC in the controls to preset cantilever lifting rule and each position coordinate becoming starting point completely, and such mixed-windrowed locomotive is complete in this rule action in operational process.The intelligentized degree of said system is lower, usually needs complicated designing program, and require very high to operating personal technical ability and hardware configuration, expense drops into also larger.Due to the reasons such as the restriction of technology and actual complex condition cause this bedding technology can only realize at present windrow that 9 times become starting points, this is normally far from being enough for actual production.The present invention by arranging the second probe on the cantilever of mixed-windrowed locomotive, and arrange between stockpile and mixed-windrowed locomotive and spacing and vertically spacingly pop one's head in interact with second, the mode responded again to the spacing rear generation electric signal that tilts according to the second probe detection is become by presetting each mode becoming the position of starting point in original control system, make the distance only need presetting each cantilever lifting in control system, enormously simplify the configuration requirement of Control System Software, hardware, the skill set requirements of operating personal is also reduced, decreases the input of expense.Simultaneously by realizing the change starting point windrow of more times (much larger than 9 times), improving stockpile end material and middle part trunk material consistence of composition, reducing the fluctuation that next sintering process is produced.
Preferably: the contact of described first probe is positioned at below the nadir of described centering hopper.
Preferably: for being rotatably connected between the upper end of described guide rod and described cantilever.
Preferably: be provided with rotating shaft at the top of described guide rod, described rotating shaft is arranged in the axis hole be opened on described cantilever.
Preferably: described guide rod is steel rope.
Preferably: between described guide rail and described frame, be provided with support.
Preferably: described second probe is for electromagnetic inductive probe, and described inclination is spacing and vertically spacing is the body of rod of steel matter.
Preferably: the bottom spacing in described inclination is provided with supporter, described inclination spacing can by with the point of connection of described supporter centered by rotate, also comprise spacing for the described inclination anchor fitting being fixed to certain angle.
Preferably: the root spacing in described inclination is provided with angle display device.
Another object of the present invention is to provide a kind of above-mentioned contracting heap material stocking device of applying and completes the method for windrow.
The technical solution used in the present invention is: comprise the following steps,
A, calculate spacing and vertically spacing position according to the stereometer producing required stockpile, i.e. start position and final position, adjustment is tilted spacing angle the so far angle that is fixed;
B, the single lift distance value of described cantilever is set in the controller of described mixed-windrowed locomotive;
C, described mixed-windrowed locomotive is moved to the starting point place of stockpile;
D, start described mixed-windrowed locomotive start contracting heap windrow;
E, to described mixed-windrowed locomotive automatically stop time completing windrow.
Advantage of the present invention and good effect are: by the contracting piling method adopting above-mentioned contracting heap material stocking device to realize, the volume size of stockpile will be estimated in prior art, then the position of calculating each change starting point arranges the step change of this value in the controls into the inclination angle that also setting inclination is spacing, spacing and vertically spacing position that tilts according to the material stack volume Size calculation estimated, cantilever single lift height value is set in the controller, enormously simplify computation process and improve the precision of control, reduce Control System Software, the requirement of hardware and operating personal level of skill, intelligence degree is higher.
Accompanying drawing explanation
Fig. 1 is the structural representation (mixed-windrowed locomotive part) of contracting heap material stocking device of the present invention;
Fig. 2 is the structural representation (stockpile part) of contracting heap material stocking device of the present invention;
Fig. 3 be mixed-windrowed locomotive from windrow process schematic to windrow;
Fig. 4 is the composition schematic cross-section of whole stockpile after windrow;
Fig. 5 determines the composition schematic cross-section that starting point determines whole stockpile after terminal Stock mode windrow in prior art.
In figure: 1, stockpile; 2, the first probe; 3, centering hopper; 4, cantilever; 5, guide rod; 6, mixed-windrowed locomotive; 7, the second probe; 8, guide rail; 9, tilt spacing; 10, vertically spacing; 11, blending reclaimer; 12, head material; 13, trunk material; 14, butt ends material.
Detailed description of the invention
For summary of the invention of the present invention, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1 and Fig. 2, contracting heap material stocking device of the present invention comprises mixed-windrowed locomotive 6 and moving track thereof.Centering hopper 3 side of mixed-windrowed locomotive 6 is provided with the first probe 2, and this first probe 2 is for touching the top of stockpile 1 and producing electric signal, and this electric signal sends control system to and responds.In actual installation, the contact of the first probe 2 is arranged at below the nadir of centering hopper 3, makes mixed-windrowed locomotive 6 in moving process, when the first probe 2 touches the top of stockpile 1, centering hopper 3 does not also touch the top of stockpile 1.
The cantilever 4 of mixed-windrowed locomotive 6 is also hung by guide rod 5 and is provided with the second probe 7.This second probe 7 strictly should be followed cantilever 4 and be moved up and down, and for realizing above-mentioned requirements, the frame of mixed-windrowed locomotive 6 arranges support, this support arranges vertical guide rail 8, second probe 7 and moves up and down along this guide rail 8.In actual installation, between the second probe 7 and guide rail 8, corresponding construction should be set and ensure above-mentioned requirements, as guide rail 8 arranges chute, slide block is set in this chute, the second probe 7 is fixed on this slide block.Guide rod 5 can also be replaced by steel cable.
Because cantilever 4 is promoting always, therefore the matching relationship between guide rod 5 and cantilever 4 also should be construed as limiting.Be preferably between the upper end of guide rod 5 and cantilever 4 and be rotatably connected, particularly, can arrange rotating shaft at the top of guide rod 5, this rotating shaft is arranged in the axis hole be opened on cantilever 4.More preferably, can also arrange bearing between rotating shaft and axis hole, make cantilever 4 in uphill process, the top of guide rod 5 can not affect the second probe 7 of lower end owing to there is twisting.
Also comprise in this example between stockpile 1 and mixed-windrowed locomotive 6, root is respectively just to the start position of stockpile 1 and the inclination in final position spacing 9 and vertically spacing 10, second probe 7 is at mixed-windrowed locomotive 6 horizontal motion to just detecting both to during inclination spacing 9 and vertically spacing 10 and produce electric signal, and this electric signal sends control system to and responds.Actual when arranging, the position of spacing 9 and vertically spacing 10 is calculated according to the volume size of the stockpile 1 estimated.Tilt spacing 9 inclination angle be designed to adjustable form, need in use to carry out in advance arranging and fixing.Particularly, thus tilt spacing 9 root angle display device is set can inclination angle be set handled easily person.Particularly, tilt spacing 9 bottom be provided with supporter, tilt spacing 9 can by with the point of connection of this supporter centered by rotate, also comprise spacing 9 anchor fittings being fixed to certain angle that tilt.In order to set the size at inclination angle more easily, arrange angle display device at the root of inclination spacing 9, this device can be fixed on supporter.Particularly, angle display device can be an angulometer, also can be electronic measurement and read out instrument, can select according to specific needs.
In this example, tilting spacing 9 and vertically spacing 10 is the body of rod of steel matter, and corresponding be with it the second probe 7 is electromagnetic inductive probe, and its detection principle is that induction probe carries out detection also return signal to the body of rod of metal material.In actual installation, when need ensure that the second probe 7 vertically moves on guide rail 8, its detection direction remains unchanged, and need to ensure cantilever 4 smallest limit to start when windrow and limes superiors terminate windrow second pop one's head in 7 can well with inclination spacing 9 with vertically spacing 10 have an effect, do not produce blind area.The concrete model of electromagnetic inductive probe can be selected as required, can select the probe that distance of reaction is different.If the probe detection distance selected during in-place test is for 1-150mm, can there is electric signal in the body of rod that probe runs into steel structure in this distance, therefore tilt spacing 9 and vertically spacing 10 install after and second pop one's head in 7 vertical distance should be less than 150mm.
Fig. 3 be mixed-windrowed locomotive 6 from windrow process schematic to windrow.The process utilizing above-mentioned contracting heap material stocking device to carry out windrow can be found out, at this, windrow method is described:
First, estimate the volume size of stockpile 1, calculate the approximate location of spacing 9 and vertically spacing 10 and the angle of inclination spacing 9 is fixed to a suitable angle.
In actual windrow, tilt spacing 9 angle be not the same with the angle of the last stockpile 1 formed.Tilt spacing 9 angle do not need all to adjust at every turn because the angle of the stockpile end to end of stockpile 1 is constant, it be mixing material angle of repose, the angle of repose of the mixing stockpile of different producers normally about 37 °.Therefore tilt spacing 9 inclination angle should be an empirical value, namely ensure 37 ° of angle of reposies of above-mentioned stockpile 1.
Then, the single lift distance of cantilever 4 is set in the controller of mixed-windrowed locomotive 6.Like this, the distance of equal lifting above-mentioned setting during each lifting of cantilever 4, by choosing suitable above-mentioned lifting distance, controlling mixed-windrowed locomotive 6 and repeatedly becoming starting point windrow.
Then, mixed-windrowed locomotive 6 being moved to the starting point place of stockpile 1, is namely the place starting windrow immediately below centering hopper 3.
Then, start mixed-windrowed locomotive 6 and start contracting heap windrow.
With reference to figure 3, mixed-windrowed locomotive 6 to terminal direction windrow by A1, is produced electric signal and passes to control system after the second probe 7 detects vertically spacing 10 of terminal B1, and control system controls mixed-windrowed locomotive 6 and carries out turning back and continue to A1 point place walking windrow.Distance definition between A1 and B1 is the first interval.In two-way process, when stockpile 1 first time touches the first probe 2, feedback of popping one's head in electric signal is to control system, and control system controls the automatic segment distance that rises of cantilever 4, and now mixed-windrowed locomotive 6 windrow terminated in the first interval enters the second interval.Inclination due to starting point spacing 9 and terminal vertically spacing 10 effect, mixed-windrowed locomotive 6 does round windrow in the second interval of A2 and B2 point-to-point transmission.When stockpile 1 second time touches the first probe 2, feedback of popping one's head in electric signal is to control system, and control system controls the automatic segment distance that rises of cantilever 4, and now mixed-windrowed locomotive 6 windrow terminated in the second interval enters the 3rd interval.By that analogy, mixed-windrowed locomotive 6 finally can terminate windrow in the N interval of AN and BN point-to-point transmission, completes the contracting heap windrow that whole change starting point determines terminal.
Finally, mixed-windrowed locomotive 6 automatically stops and returning initial point, can transfer them to next station.
Fig. 4 is the composition schematic cross-section of whole stockpile 1 after windrow, shows the windrow effect that said apparatus and method reach.Can find out, be divided into head material 12, trunk material 13 and butt ends material 14 according to blending ore composition, head material 12 only has very thin one deck, its composition and trunk material 13 slightly difference, but fewer owing to measuring, and substantially meets the requirement of sintering process.Mixing stockpile 1 now can use blending reclaimer 11 to carry out feeding.Obviously, the number of times of contracting heap windrow is more, and the bed of material of head material 12 is thinner, doses is fewer, and sinter the fluctuation produced also less, trunk material 13 is also more as special quality blending ore.
In contrast thereto, determine starting point in Fig. 5, determine the windrow effect of the Stock mode of terminal.Can find out, head material 12 ' and butt ends material 14 ' is formed at the two ends of middle part trunk material 13 ', wherein the effect that obtains of trunk material 13 ' and this method is basically identical, but head material 12 ' and butt ends material 14 ' also exist larger difference, both composition fluctuations can not send into sintering as finished product material very greatly, can only take away and carry out secondary mixing.
It is envisioned that become starting point 9 times in prior art, the effect of stockpile 1 that the mode of determining terminal is formed.The thickness of its head material 12 ' and doses are all greater than the head material 12 that this method obtains, and the effect that the composition of middle part trunk material 13 ' and butt ends material 14 ' and this method obtain is basically identical.
Therefore the windrow successful that these apparatus and method can reach is better than prior art.
Claims (10)
1. a contracting heap material stocking device, comprises mixed-windrowed locomotive (6) and moving track thereof, it is characterized in that: at other the first probe (2) being provided with the generation electric signal when touching stockpile (1) top of the centering hopper (3) of described mixed-windrowed locomotive (6); The cantilever (4) of described mixed-windrowed locomotive (6) is also hung by guide rod (5) and is provided with the second probe (7), the frame of described mixed-windrowed locomotive (6) is provided with vertical guide rail (8), described second probe (7) moves up and down along this guide rail (8); Also comprise be positioned between described stockpile (1) and mixed-windrowed locomotive (6), root respectively just to the start position of described stockpile (1) and the inclination in final position spacing (9) and vertically spacing (10), described second probe (7) described mixed-windrowed locomotive (6) horizontal motion to just to described inclination spacing (9) and vertically spacing (10) time detect both and produce electric signal.
2. according to contracting heap material stocking device according to claim 1, it is characterized in that: the contact of described first probe (2) is positioned at below the nadir of described centering hopper (3).
3., according to contracting heap material stocking device according to claim 1, it is characterized in that: for being rotatably connected between the upper end of described guide rod (5) and described cantilever (4).
4., according to contracting heap material stocking device according to claim 3, it is characterized in that: be provided with rotating shaft at the top of described guide rod (5), described rotating shaft is arranged in the axis hole be opened on described cantilever (4).
5., according to contracting heap material stocking device according to claim 4, it is characterized in that: described guide rod (5) is steel rope.
6., according to contracting heap material stocking device according to claim 1, it is characterized in that: between described guide rail (8) and described frame, be provided with support.
7. according to contracting heap material stocking device according to claim 1, it is characterized in that: described second probe (7) is electromagnetic inductive probe, the body of rod that described inclination spacing (9) and vertically spacing (10) are steel matter.
8. according to contracting heap material stocking device according to claim 7, it is characterized in that: be provided with supporter in the bottom of described inclination spacing (9), described inclination spacing (9) can by with the point of connection of described supporter centered by rotate, also comprise the anchor fitting spacing for described inclination (9) being fixed to certain angle.
9., according to contracting heap material stocking device according to claim 8, it is characterized in that: be also provided with angle display device at the root of described inclination spacing (9).
10. the method adopting the heap of the contracting described in any one of claim 1 to 9 material stocking device to carry out windrow: comprise the following steps,
A, calculate the position of spacing (9) and vertically spacing (10) according to the stereometer producing required stockpile (1), i.e. start position and final position, the angle of adjustment inclination spacing (9) the so far angle that is fixed;
B, the single lift distance value of described cantilever (4) is set in the controller of described mixed-windrowed locomotive (6);
C, described mixed-windrowed locomotive (6) is moved to the starting point place of stockpile (1);
D, start described mixed-windrowed locomotive (6) start contracting heap windrow;
Windrow is completed when e, stopping automatic to described mixed-windrowed locomotive (6).
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| CN201210547665.5A CN103057981B (en) | 2012-12-14 | 2012-12-14 | Contractive material stacking device and material stacking method |
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| CN201210547665.5A CN103057981B (en) | 2012-12-14 | 2012-12-14 | Contractive material stacking device and material stacking method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104401743B (en) * | 2014-12-17 | 2016-08-24 | 天津港远航矿石码头有限公司 | A kind of trapezoidal buttress clamp method |
| CN104555339B (en) * | 2015-01-16 | 2016-10-26 | 青海省能源发展（集团）有限公司 | A kind of coarse coal belt feeder automatic lifting control system |
| CN108163562B (en) * | 2017-12-13 | 2022-01-18 | 泰富重工制造有限公司 | Automatic stacking control method of stacking device |
| CN109279379B (en) * | 2018-11-06 | 2021-03-05 | 陕钢集团汉中钢铁有限责任公司 | Method for stacking materials based on counting device |
| CN109504852B (en) * | 2018-12-18 | 2020-06-02 | 包头钢铁（集团）有限责任公司 | Method for reducing rolling segregation of end tailings |
| CN111302087A (en) * | 2020-03-04 | 2020-06-19 | 首钢京唐钢铁联合有限责任公司 | Uniformly-mixing and stacking method |
| CN113581871B (en) * | 2021-08-24 | 2023-05-12 | 陕钢集团汉中钢铁有限责任公司 | Gradual-change type mixing ore stacking method |
| CN114620500B (en) * | 2022-03-19 | 2022-11-25 | 华能上海石洞口发电有限责任公司 | Moving device of bucket-wheel stacker reclaimer and cross-field automatic return method thereof |
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| CN201890603U (en) * | 2010-08-05 | 2011-07-06 | 青岛港（集团）有限公司 | Material conveying and discharging device |
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| CN2595761Y (en) * | 2002-11-29 | 2003-12-31 | 国家粮食储备局郑州科学研究设计院 | Feeding material control mechanism of movable screw store house cleaner |
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| CN201890603U (en) * | 2010-08-05 | 2011-07-06 | 青岛港（集团）有限公司 | Material conveying and discharging device |
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