CN203238287U - Distribution rule researching system for furnace top device - Google Patents
Distribution rule researching system for furnace top device Download PDFInfo
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- CN203238287U CN203238287U CN 201320185509 CN201320185509U CN203238287U CN 203238287 U CN203238287 U CN 203238287U CN 201320185509 CN201320185509 CN 201320185509 CN 201320185509 U CN201320185509 U CN 201320185509U CN 203238287 U CN203238287 U CN 203238287U
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Abstract
The utility model discloses a distribution rule researching system for a furnace top device, belonging to the technical field of ironmaking. The distribution rule researching system comprises a full-stimulation belt conveyer feeding system, a full-transparent furnace top distribution device integral model, a full-transparent furnace body partitioning research model, an enterprise-level high-speed camera analyzing system and an experimental platform, wherein the full-stimulation belt conveyer feeding system (1) is arranged at the top end of the distribution rule researching system and can be connected with a second layer of platform of the experimental platform (4) through a movable bracket, a lower opening of the full-stimulation belt conveyer feeding system (1) is connected with the full-transparent furnace top distribution device integral model (2), the lower end of the full-transparent furnace top distribution device integral model (2) is arranged on the full-transparent furnace body partitioning research model (3), and a shooting terminal of the enterprise-level high-speed camera analyzing system (5) is generally placed on a first layer of platform of the experimental platform (4). The distribution rule researching system has the advantage of being complete, integral, visual and accurate; meanwhile, an experimental scheme is simple and easy to operate, and reliable in result, and is a new breakthrough in the field of researching the distribution rule of a blast furnace.
Description
Technical field
The utility model belongs to the ironmaking technology field, particularly relates to a kind of furnace top equipment cloth regular Study system, is applicable to metallurgical test research.
Background technology
Furnace top equipment is one of most important equipment of whole ferrous metallurgy flow process, be a kind of under the bad working environments condition of high temperature, high pressure, strong dust the accurate equipment of cloth.After coke and ore enter blast furnace top equipment through feeding system, enter blast furnace through commutation chute, upper sealing valve, batch can, airtight box, distributor chute etc., carry out chemical reaction, the beginning smelting process.Study for the fuel ratio that reduces blast furnace, reduce the blast furnace gas dilution for the cloth regular of furnace top equipment, improve caloric power of gas, it is most important to save the cool nitrogen aspect.
At present, more and more be subject to the attention of each big steel enterprise and relevant speciality universities and colleges for the research of blast furnace material distribution rule, still, the blast furnace material distribution process still belongs to discrete, secret operation, therefore, has also just limited going deep into of this area research.
Existing roof material distributing research mode generally is scale down preparing department subset model, and perhaps direct manual measurement cloth data before blow-on are used for carrying out simple cloth regular analysis.Owing to be among the camera bellows, the condition that is subject to is limit, and these cloth simulation systems generally exist analogy method single, study comprehensive not, the problem such as the conclusion versatility is not strong.
Therefore, how to break the black box of blast furnace burden distribution system, carry out multianalysis from whole cloth flow process, simulation practical condition to greatest extent, the bonding apparatus characteristics are carried out the further investigation of cloth regular, expansion blast furnace material distribution rule research method is the present technical issues that need to address of those skilled in the art.
Summary of the invention
The purpose of this utility model provides a kind of furnace top equipment cloth regular Study system, this system adopts full emulation charging belt, all-transparent device model, high-speed camera data processing method, the whole cloth process of complete simulation, break black box, accurately process experimental data by computer technology, further investigate the blast furnace material distribution rule comprehensively.
The utility model comprises full emulation conveyor feeding system 1, all-transparent roof material distributing Whole Equipment model 2, all-transparent body of heater subregion research model 3, enterprise-level High-speed Photography Analysis system 5, experiment porch (two-layer) 4.Full emulation conveyor feeding system 1 is connected with the second layer platform of experiment porch 4 by Moveable support on the whole system top, and its end opening and all-transparent roof material distributing Whole Equipment model 2 join.All-transparent roof material distributing Whole Equipment model 2 lower ends are installed on the all-transparent body of heater subregion research model 3.The camera terminal of enterprise-level High-speed Photography Analysis system 5 generally is placed on the first layer platform of experiment porch 4, and its position can be adjusted according to the shooting demand.The first layer height of experiment porch 4 flushes with the first layer dividing plate in the all-transparent body of heater subregion research model 3, two layers of experiment porch 4 join with the both sides inclined ladder that is erected at experiment porch 4 the first layers, in height and the all-transparent roof material distributing Whole Equipment model 2 on the clack box along flushing, experiment porch 4 is two-layer all to add protective grating by the national standard requirement.
In the utility model, furnace charge enters all-transparent roof material distributing Whole Equipment model 2 by full emulation conveyor feeding system 1,2 on all-transparent roof material distributing Whole Equipment model is simulated actual blast furnace material distribution process fully furnace charge is distributed into all-transparent body of heater subregion research model 3, furnace charge moves whole process and will and analyze by enterprise-level High-speed Photography Analysis system 5 records, thereby furnace charge running orbit, burden distribution situation are studied.Because apparatus for distributing model and body of heater partition model are the all-transparent material, and simulation making in proportion, so experiment analysis results will have important references value to the blast furnace actual production.
(1) full emulation conveyor feeding system
Full emulation conveyor feeding system 1 comprises furnace charge hoisting system, furnace charge storage silo 6, charging belt 8, Moveable belt machine base 9, leather belt head wheel cover 10.Furnace charge hoisting system is comprised of elevator motor, pulley, drag hook and barrel.The elevator motor is installed on the first layer platform of experiment porch 4, and pulley is installed in wall top, laboratory, near the furnace charge storage silo, is convenient to charging.Furnace charge storage silo end opening is equipped with adjustable valve, and joins with charging belt 8 input terminuss.Charging belt 8 and furnace charge storage silo 6 are installed on the Moveable belt machine base 9 together, and Moveable belt machine base 9 is positioned on the second layer platform of experiment porch 4.Charging belt 8 output terminals are covered with leather belt head wheel cover 10, and leather belt head wheel cover 10 commutation chutes direct and in the all-transparent roof material distributing Whole Equipment model 2 are connected.
Furnace charge hoisting system by putting into charging belt 8 behind the furnace charge storage silo storing, sends into all-transparent roof material distributing Whole Equipment model 2 by charging belt 8 thereafter with the furnace charge furnace charge storage silo of packing into.
This charging belt is made width 160mm in the 1:15 ratio, conventional rotating speed 2m/s with frequency conversion speed-adjusting system, can carry out charge by speed governing, the material retry is tested, in conjunction with the production practical situation, the reasonableness of checking furnace top equipment design is carried out furnace top equipment and is caught up with the material capability study.
(2) all-transparent roof material distributing Whole Equipment model
All-transparent roof material distributing Whole Equipment model 2 is pressed the 1:15 Proportionality design, comprises commutation chute 11, upper sealing valve 12, batch can 13, clack box 14, middle bucket 15, airtight box 16, distributor chute 17.Commutation chute 11 end openings of top connect left and right sides upper sealing valve 12, direct and 13 suitable for reading joining of batch can of upper sealing valve 12 end openings, batch can 13 lower ends connect clack box (comprising material flow gate and lower sealing valve) 14, bucket in the middle of clack box 14 end openings connect (middle bucket end opening is provided with push-pull valve) 15, clack box 14 is by the equipment support load-bearing on the first layer platform that is installed in experiment porch 4.Middle bucket 15 end openings connect airtight box 16, and distributor chute 11 and airtight box 16 interior swing arms are connected, and swing arm is driven by geartransmission by the frequency control motor that is installed on the airtight box 16.Except the transmitting gear in the airtight box 16 is metallic substance, all the other equipment all adopt synthetic glass to make.This experiment take and the pot type bell-less top equipment as basic analogue formation, the method is equally applicable to go here and there the tank bell-less top equipment.
Furnace charge enters batch can by commutation chute, upper sealing valve after sending into the commutation chute by charging belt.Treat that batch can is full of, start the distributor chute drive-motor, distributor chute begins to rotate, then open material flow gate, lower sealing valve, bucket in the middle of furnace charge enters by material flow gate, lower sealing valve, the end opening that then struggles against from the centre enters the central throat tube in the airtight box, passes central throat tube again and falls into distributor chute, furnace charge enters body of heater inside along distributor chute, carries out cloth.Whole process furnace charge bumps in many places such as commutation chute, batch can outlet, material flow gate, middle bucket, central throat tube, distributor chutes, cause trail change, carry out whole process by enterprise-level High-speed Photography Analysis system and observe and record, these phenomenons that affect the cloth regular result are carried out qualitative analysis.
Because batch can uses transparent material to make in proportion, therefore can the accumulation of furnace charge in the batch can be sunk, the phenomenons such as funneling effect record and analyze, and have broken the batch can black box.The batch can lower end is connected with material flow gate, and material flow gate is equipped with manual gear setting device and scale card, can simulate actual blast furnace aperture fully and test.
Adopt frequency control motor to drive metal material gear in the airtight box, through the final distributor chute that is connected on the swing arm that drives of transmission, by adjusting rotating speed and distributor chute turning angle, carry out the cloth test, can analyze monocycle, polycyclic distributing rule situation under the distributor chute different rotating speeds, obtain the charging segregation on cloth track and the charge level, size-grade distribution, furnace charge angle of rest (repose) etc.
(3) all-transparent body of heater subregion research model
The body of heater subregion research model of all-transparent has been broken black box in the stove, comprises last furnace shell top cone section, furnace throat, shaft, vertical lamina of septum pellucidum 21, horizontal hierarchical-transparent dividing plate 22 and lower end support 25.Be provided with flange in cone section bottom, furnace shell top, furnace throat adopts flange to be connected with furnace shell cone section, and furnace throat is made with shaft, and shaft is by the lower end stent support, and lower end support is directly installed on the ground.Establish vertical lamina of septum pellucidum in body of heater, vertically lamina of septum pellucidum is vertically placed, and vertical with the two batch can lines of centres, vertically on the lamina of septum pellucidum along with furnace throat on along flushing, lower edge until the shaft bottom begin downwards body of heater to be divided into two from furnace throat.Set up discharge valve separately bottom vertical lamina of septum pellucidum both sides, shaft, an emptying wing furnace material carries out the furnace charge fractograph analysis and measures separately.In addition, the horizontal hierarchical-transparent dividing plate in three roads is set in body of heater, the horizontal hierarchical-transparent dividing plate of first is positioned at the furnace throat end opening, and three layers of horizontal hierarchical-transparent dividing plate can carry out layering, subregion research to burden distribution respectively at a distance of 130mm.
By various distributing modes such as monocycle, many rings, with furnace charge cloth to stove.According to producing the simulation of the working of a furnace in the reality, and the stove inner compartment carried out segmentation, subregion research, explore the distribution situation of blast furnace burden in stove, thereby put into practice the cloth effect, analytical furnace internal reaction process, and then instruct blast furnace production, reduce fuel ratio, improve the capacity factor of a blast furnace.
(4) enterprise-level High-speed Photography Analysis system
The integrated cover enterprise-level High-speed Photography Analysis system that used of the utility model comprises 4mm industry special lens, industry high speed pick up camera 27, data line, image storage, data handling machine 26, transparent rectangular coordinates basis panel 28.The 4mm industry special lens of system terminal is installed on the industry high speed pick up camera, industry high speed pick up camera 27 is connected by the storage of the image in data line and the watch-keeping cubicle, data handling machine 26, image storage, data handling machine 26 are equipped with image taking and process software, transparent rectangular coordinates basis panel 28 vertically is installed on the horizontal lamina of septum pellucidum of furnace throat place the first layer, and transparent rectangular coordinates basis panel 28 is with vertically lamina of septum pellucidum and the horizontal lamina of septum pellucidum of the first layer are all vertical.Enterprise-level High-speed Photography Analysis system omnidistance record furnace charge operation whole process.Computer in the watch-keeping cubicle is controlled industry high speed pick up camera photographic images by data line, and preserves and data processing.Take many group material stream photos in same position, according to basic panel coordinate setting, by the image stacking method, obtain material stream coordinate, carry out the material flow track analysis.
(5) two-layer furnace roof experiment porch
Two-layer furnace roof experiment porch comprises the first layer integral platform, the first layer platform legs, the first layer platform both sides inclined ladder, second layer chain-wales, second layer chain-wales supporting leg, second layer chain-wales both sides inclined ladder, equipment support.The first layer platform legs is installed on the ground, supports the first layer integral platform, and inclined ladder is equipped with in the first layer platform both sides, and equipment support is installed on the first layer platform.Second layer platform legs is welded on the first layer integral platform, supports second layer chain-wales, and inclined ladder is equipped with in second layer chain-wales both sides.
The first layer platform is used for equipment to be installed, operates the apparatus for distributing model, support the industry high speed camera system, supports second layer platform.Second layer platform is used for operating full emulation conveyor feeding system.
Innovation of the present utility model is,
1, complete blast furnace material distribution whole process experimental study;
2, adopt the material circulation road of transparent material, opened the black box of furnace top equipment;
3, bonding apparatus characteristic is carried out cloth regular research;
4, adopt all-transparent body of heater subregion research model, opened the black box of high furnace interior;
5, introducing enterprise-level high-speed camera, image processing techniques are carried out the cloth regular quantitative analysis.
The utility model proposes whole process blast furnace material distribution rule research method, theoretical in the invention of links application choice or the invention of migrating, established research approach.This Study system has related to many factors that affects cloth regular, has comprehensively complete, advantage accurately directly perceived, and simultaneously, experimental program is simple, and reliable results is the new breakthrough of blast furnace material distribution rule research field.
Description of drawings
Fig. 1 is test platform overall plan figure, wherein, and full emulation conveyor feeding system 1, all-transparent roof material distributing Whole Equipment model 2, all-transparent body of heater subregion research model 3, test platform (two-layer) 4, enterprise-level High-speed Photography Analysis system 5.
Fig. 2 is full emulation conveyor feeding system fitting arrangement (left view), wherein, and furnace charge storage silo 6, storage bin valve 7, charging belt 8, Moveable belt machine base 9, leather belt head wheel cover 10.
Fig. 3 is all-transparent roof material distributing Whole Equipment model synoptic diagram, wherein, and commutation chute 11, upper sealing valve 12, batch can 13, clack box (comprising material flow gate and lower sealing valve) 14, middle bucket 15, airtight box 16, distributor chute 17.
Fig. 4 is all-transparent body of heater subregion research model synoptic diagram, wherein, and vertical lamina of septum pellucidum 21, horizontal hierarchical-transparent dividing plate 22, A part blanking valve 23, B part blanking valve 24, lower end support 25.
Fig. 5 is the burnt layer distributed synoptic diagram in ore deposit in the stove.
Fig. 6 is enterprise-level high-speed camera, analytical system layout drawing, wherein, and image storage, data handling machine 26, industry high speed pick up camera 27, transparent rectangular coordinates basis panel 28, all-transparent roof material distributing Whole Equipment model 2.
Embodiment
The utility model comprises full emulation conveyor feeding system 1, all-transparent roof material distributing Whole Equipment model 2, all-transparent body of heater subregion research model 3, enterprise-level High-speed Photography Analysis system 5, experiment porch (two-layer) 4.Full emulation conveyor feeding system 1 is connected with the second layer platform of experiment porch 4 by Moveable support on the whole system top, and its end opening and all-transparent roof material distributing Whole Equipment model 2 join.All-transparent roof material distributing Whole Equipment model 2 lower ends are installed on the all-transparent body of heater subregion research model 3.The camera terminal of enterprise-level High-speed Photography Analysis system 5 generally is placed on the first layer platform of experiment porch 4, and its position can be adjusted according to the shooting demand.The first layer height of experiment porch 4 flushes with the first layer dividing plate in the all-transparent body of heater subregion research model 3, two layers of experiment porch 4 join with the both sides inclined ladder that is erected at the experiment porch the first layer, in height and the all-transparent roof material distributing Whole Equipment model 2 on the clack box along flushing, experiment porch 4 is two-layer all to add protective grating by the national standard requirement.
In the utility model, furnace charge enters all-transparent roof material distributing Whole Equipment model 2 by full emulation conveyor feeding system, 2 on all-transparent roof material distributing Whole Equipment model is simulated actual blast furnace material distribution process fully furnace charge is distributed into all-transparent body of heater subregion research model 3, furnace charge moves whole process and will and analyze by enterprise-level High-speed Photography Analysis system 5 records, thereby furnace charge running orbit, burden distribution situation are studied.Apparatus for distributing model and body of heater partition model are the all-transparent material, and simulation making in proportion.
Please refer to Fig. 2, utilize the furnace charge hoisting system that furnace charge is injected furnace charge storage silo 6, the furnace top equipment when filling with substance, open the end opening adjustable valve 7 of furnace charge storage silo 6, furnace charge falls into and is installed on the removable bearing 9 charging belt 8, be transported to great wheel cover 10 by charging belt, through entering the commutation chute after connect material platform buffering, the centering in the great wheel cover.
The furnace charge storage silo valve opening of this device is adjustable, and charging belt material loading speed is adjustable, and charging belt direction of travel and batch can medullary ray angle are adjustable, can be used for furtheing investigate feeding system to the impact of furnace charge stacked form in the batch can.
Please refer to Fig. 3, a cover all-transparent roof material distributing Whole Equipment model provided by the utility model dwindles making according to ratio in kind fully.Wherein, two blowing positions of two tanks about commutation chute 11 has, upper sealing valve 12 has two positions of keying, and batch can 13 adopts the all-transparent material to make, and the material flow gate position in the clack box 14 is adjustable, and at adjusting position scale card is housed, middle bucket 15 also adopts transparent material to make, during intuitive analysis variable valve different opening, and the motion conditions of furnace charge in the material passing passage links, movement parts in the airtight box 16 adopts the metal material gear, and distributor chute 17 adopts synthetic glass to make.Because adopt the all-transparent material, the motion morphology of furnace charge in whole furnace top equipment material circulation road can be by qualitative analysis.
Please refer to Fig. 4, systematic study method provided by the utility model is not limited only to the blast furnace top equipment cloth regular, the discharging point position, and more the angle of burden distribution is furtherd investigate in the body of heater.
In body of heater interior diameter direction vertical lamina of septum pellucidum 21 is set, body of heater is divided into symmetrical A, B two portions, when furnace charge is full of body of heater, A side blanking valve 23 is opened, can obtain the bed of material distributes in the body of heater sectional schematic diagram such as Fig. 5.In addition, three layers of horizontal hierarchical-transparent dividing plate are set in body of heater also, layering, subregion research burden distribution situation.
With reference to figure 6, the utility model adopts enterprise-level High-speed Photography Analysis system, by the storage of the image in the watch-keeping cubicle, data handling machine control industry high speed pick up camera real time record cloth process, according to planimetric rectangular coordinates sole plate intuitively, obtain accurate material flow track data by the later image treatment technology.Can also analyze by video recording, obtain the layer distributed situation of furnace charge in furnace throat, body of heater, charge level is piled sharp data etc.
Several parts connect each other, form a whole set of Burden Distribution in BF Study system.
Claims (5)
1. a furnace top equipment cloth regular Study system comprises full emulation conveyor feeding system, all-transparent roof material distributing Whole Equipment model, all-transparent body of heater subregion research model, enterprise-level High-speed Photography Analysis system, experiment porch; Full emulation conveyor feeding system (1) is connected by the second layer platform of Moveable support with experiment porch (4) on the whole system top, and its end opening and all-transparent roof material distributing Whole Equipment model (2) join; All-transparent roof material distributing Whole Equipment model (2) lower end is installed on the all-transparent body of heater subregion research model (3); The camera terminal of enterprise-level High-speed Photography Analysis system (5) generally is placed on the first layer platform of experiment porch (4); The first layer height of experiment porch (4) flushes with the first layer dividing plate in the all-transparent body of heater subregion research model (3), two layers of experiment porch (4) join with the both sides inclined ladder that is erected at the experiment porch the first layer, height flushes with edge on the middle clack box of all-transparent roof material distributing Whole Equipment model (2), and experiment porch (4) is two-layer all to add protective grating by the national standard requirement.
2. system according to claim 1, it is characterized in that described full emulation conveyor feeding system (1) comprises furnace charge hoisting system, furnace charge storage silo (6), charging belt (8), Moveable belt machine base (9), leather belt head wheel cover (10); Furnace charge hoisting system is comprised of elevator motor, pulley, drag hook and barrel; The elevator motor is installed on the first layer platform of experiment porch (4), and pulley is installed in wall top, laboratory; Furnace charge storage silo (6) end opening is equipped with adjustable valve, and joins with charging belt (8) input terminus; Charging belt (8) and furnace charge storage silo (6) are installed on the Moveable belt machine base (9) together, and Moveable belt machine base (9) is positioned on the second layer platform of experiment porch (4); Charging belt (8) output terminal is covered with leather belt head wheel cover (10), and leather belt head wheel cover (10) commutation chute direct and in the all-transparent roof material distributing Whole Equipment model (2) is connected.
3. system according to claim 1, it is characterized in that, described all-transparent roof material distributing Whole Equipment model comprise commutation chute (11), upper sealing valve (120, batch can (13), clack box (14), middle bucket (15), airtight box (16), distributor chute (17); Commutation chute (11) end opening of top connects left and right sides upper sealing valve (12), direct and suitable for reading joining of batch can (13) of upper sealing valve (12) end opening, batch can (13) lower end connects clack box (14), bucket (15) in the middle of clack box (14) end opening connects; Middle bucket (15) end opening connects airtight box (16), and distributor chute (11) and airtight box 16 interior swing arms are connected, and swing arm is driven by geartransmission by the frequency control motor that is installed on the airtight box (16).
4. system according to claim 1, it is characterized in that, the body of heater subregion research model of described all-transparent comprises last furnace shell top cone section, furnace throat, shaft, vertical lamina of septum pellucidum (21), horizontal hierarchical-transparent dividing plate (22) and lower end support (25); Be provided with flange in cone section bottom, furnace shell top, furnace throat adopts flange to be connected with furnace shell cone section, and furnace throat is made with shaft, and shaft is by the lower end stent support, and lower end support is directly installed on the ground; Establish vertical lamina of septum pellucidum in body of heater, vertically lamina of septum pellucidum is vertically placed, and vertical with the two batch can lines of centres, vertically on the lamina of septum pellucidum along with furnace throat on along flushing, lower edge until the shaft bottom begin downwards body of heater to be divided into two from furnace throat; Bottom vertical lamina of septum pellucidum both sides, shaft, set up discharge valve separately; The horizontal hierarchical-transparent dividing plate in three roads is set in body of heater, and the horizontal hierarchical-transparent dividing plate of first is positioned at the furnace throat end opening, and three layers of horizontal hierarchical-transparent dividing plate are respectively at a distance of 130mm.
5. system according to claim 1, it is characterized in that described enterprise-level High-speed Photography Analysis system comprises 4mm industry special lens, industry high speed pick up camera (27), data line, image storage, data handling machine (26), transparent rectangular coordinates basis panel (28); The 4mm industry special lens of system terminal is installed on the enterprise-level high-speed camera, industry high speed pick up camera (27) by the storage of the image in data line and the watch-keeping cubicle, (260 are connected data handling machine, image storage, data handling machine (26) are equipped with image taking and process software, transparent rectangular coordinates basis panel (28) vertically is installed on the horizontal lamina of septum pellucidum of furnace throat place the first layer, and transparent rectangular coordinates basis panel (28) is with vertically lamina of septum pellucidum and the horizontal lamina of septum pellucidum of the first layer are all vertical.
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| CN 201320185509 CN203238287U (en) | 2013-04-12 | 2013-04-12 | Distribution rule researching system for furnace top device |
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| CN 201320185509 CN203238287U (en) | 2013-04-12 | 2013-04-12 | Distribution rule researching system for furnace top device |
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| CN203238287U true CN203238287U (en) | 2013-10-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103194555A (en) * | 2013-04-12 | 2013-07-10 | 北京首钢国际工程技术有限公司 | System for researching material distribution rule of furnace top equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103194555A (en) * | 2013-04-12 | 2013-07-10 | 北京首钢国际工程技术有限公司 | System for researching material distribution rule of furnace top equipment |
| CN103194555B (en) * | 2013-04-12 | 2015-04-15 | 北京首钢国际工程技术有限公司 | System for researching material distribution rule of furnace top equipment |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 Termination date: 20190412 |