CN106086258A - A kind of analog blast furnace air blast cloth experimental provision and experimental technique - Google Patents
A kind of analog blast furnace air blast cloth experimental provision and experimental technique Download PDFInfo
- Publication number
- CN106086258A CN106086258A CN201610714542.4A CN201610714542A CN106086258A CN 106086258 A CN106086258 A CN 106086258A CN 201610714542 A CN201610714542 A CN 201610714542A CN 106086258 A CN106086258 A CN 106086258A
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- CN
- China
- Prior art keywords
- blast furnace
- analog
- analog blast
- cloth
- experimental provision
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/008—Composition or distribution of the charge
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/18—Bell-and-hopper arrangements
- C21B7/20—Bell-and-hopper arrangements with appliances for distributing the burden
Abstract
The invention discloses a kind of analog blast furnace air blast cloth experimental provision, and analog blast furnace (10) equipped with blower system transparent including furnace wall, the platform (4) being arranged at described analog blast furnace (10) top and the high-speed camera (1) just analog blast furnace (10) axis arranged, feed bin (6) it is fixed with on described platform (4), the stream pipe (2) that described feed bin (6) discharging opening is socketed with in extending analog blast furnace (10) and is rotated by driving means, described stream pipe (2) end opening is connected with distributor chute (9), stream pipe (2) outer wall is provided with the flange being supported in analog blast furnace (10) top cover.The experimental provision of the present invention simulates in true smelting process cloth process and track in blast furnace, as actual blast furnace material distribution reference frame, solves the problem that blast furnace material distribution trajectory measurement is difficult.
Description
Technical field
The present invention relates to Ferrous Metallurgy experiment field, be specially a kind of analog blast furnace air blast cloth experimental provision and experiment side
Method.
Background technology
Real blast furnace is a closed reaction vessel, carries out heat transfer, mass transfer, MOMENTUM TRANSMISSION and the physical-chemical reaction of complexity.
Porosity, gas fluid distrbution and the thermal efficiency of blast furnace burden distribution influence stock column, so affect smooth operation of furnace, gas utilization rate and
Ore-reduction efficiencies etc..By rational cloth, it is thus achieved that stablizing rational gas fluid distrbution is that blast furnace obtains good technique economy
The key of index.
In reality, owing to blast furnace material distribution track and charge level information cannot be obtained during blast furnace process, only when overhaul blow-on
Cloth manual testing can be carried out, can substantially understand cloth drop point during different cloth angle, but these workloads are big, simultaneously
Its test also obtains in the case of not having air blast, has deviation with actual.
Summary of the invention
The present invention is directed to above technical problem, it is provided that a kind of analog blast furnace air blast cloth experimental provision and experimental technique, solve
Existing blast furnace material distribution of having determined relies on the problem of artificial actual measurement, reduces workload, and experimental result is with practical situation closely.
The present invention is achieved through the following technical solutions, it is provided that a kind of analog blast furnace air blast cloth experimental provision, including
Furnace wall is transparent and analog blast furnace equipped with blower system, is arranged at the platform above described analog blast furnace and just to analog blast furnace
The high-speed camera that axis is arranged, described platform is fixed with feed bin, and described feed bin discharge hole is socketed with and extends analog blast furnace
Stream pipe interior and that be rotated by driving means, described stream pipe end opening is connected with distributor chute, and stream pipe outer wall is provided with
It is supported in the flange of analog blast furnace top cover.In this programme, each several part all reduces according to same ratio and makes, during use, to simulation
In the case of blast furnace air, drive stream pipe to rotate by driving means, thus drive distributor chute to carry out rotating cloth, use
High-speed camera catches stream track the most in the same time and records a video, for post analysis and research.
As preferably, described blower system includes aerator, connection blower export and the blast pipe within analog blast furnace
And it is fixedly arranged on the blowpipe on analog blast furnace top cover, in stove, carry out air blast by blower system, make experimental situation be more nearly
In practical situation, experiment conclusion is more accurately and reliably.
As preferably, described blast pipe includes connecting with described blower export and enclosing enclosing in analog blast furnace outer lower portion
Pipe, described bustle pipe circumferencial direction is evenly distributed with some rigidity air inlet pipe of connecting internal with analog blast furnace, by from body of heater
The most uniformly air blast, makes the wind-force uniformity that material is subject to, and rigidity air inlet pipe not only acts as ventilation effect, and is used for
The support of bustle pipe is fixed, and simplifies bustle pipe fixed structure.
As optimization, described feed bin discharge hole is provided with push-pull valve, stream aperture can be controlled by push-pull valve, convenient
Carry out the experiment in the case of different size stream.
As preferably, described driving means includes the sprocket wheel being fixedly arranged on described stream tube outer surface and by chain with described
Sprocket wheel connects and is fixed on the motor on described platform, controls stream pipe rotating speed by motor, can simulate the cloth under various rotating speed
Material situation, simple in construction, highly reliable, maintenance cost is low.
As preferably, described distributor chute is affixed with stream pipe by bolt, and distributor chute with vertical direction angle is
0 ° ~ 90 °, by loosering a bolt, i.e. the angle of scalable distributor chute, simple to operate.
As preferably, described feed bin is up big and down small taper storehouse, convenient charging, and is easily controlled discharging, it is to avoid waste.
A kind of experimental technique of analog blast furnace air blast cloth:
(1) the various raw materials reducing scale smaller according to analog blast furnace are coated with dye different colours according to kind, and by after dyeing
Raw material is poured in feed bin, represents coke different from the raw material color of Ore, and during cloth, bed of material distribution becomes apparent from, and facilitates the later stage to see
Examine bed of material distribution situation；
(2) start high-speed camera and the device driving distributor chute to rotate, and push-pull valve is left to 1/3rd apertures, cloth
The rotary speed of chute is adjusted by driving its device rotated；
(3) use high-speed camera to catch distributor chute to go to and high-speed camera and line upright position, analog blast furnace axis
Time material flow track, through the horizontal line on edge under distributor chute as X-axis, to set up coordinate system with analog blast furnace axis for Y-axis,
The track captured is represented in built coordinate system, carries out the comparison in the case of quantitative analysis and different cloth by coordinate system；
(4) closing push-pull valve, pour into resin in analog blast furnace, after resin and material are cured as one, the cutting each layer of material enters
Row is observed.
(5) step (2) centerboard valve is opened to 1/2nd apertures, carry out step (3), (4)；
(6) by fully open for step (2) centerboard valve, step (3), (4) are carried out.
The invention have the benefit that in the true smelting process of simulation cloth process and track in blast furnace, as actual high
Stove cloth reference frame, the problem solving blast furnace material distribution trajectory measurement difficulty.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram；
Fig. 2 is A-A sectional view in Fig. 1；
Fig. 3 is B-B sectional view in Fig. 1；
Shown in figure:
1, high-speed camera, 2, stream pipe, 3, chain, 4, platform, 5, motor, 6, feed bin, 7, push-pull valve, 8, blowpipe, 9, cloth
Chute, 10, analog blast furnace, 11, aerator, 12, bustle pipe, 13, rigidity air inlet pipe, 14, sprocket wheel.
Detailed description of the invention
For the technical characterstic of this programme can be clearly described, below by detailed description of the invention, this programme is illustrated.
A kind of analog blast furnace air blast cloth experimental provision as shown in Figure 1, and mould equipped with blower system transparent including furnace wall
Intend blast furnace 10, be arranged at the platform 4 above analog blast furnace 10 and the high-speed camera just analog blast furnace 10 axis arranged
1.Blower system in the present embodiment includes aerator 11, be fixedly arranged on analog blast furnace top cover blowpipe 8 and and aerator
11 outlet and enclose the bustle pipe 12 in analog blast furnace outer lower portion, bustle pipe 12 circumferencial direction are evenly distributed with some with simulation
The rigidity air inlet pipe 13 of the internal connection of blast furnace 10, bustle pipe is played fixation by rigidity air inlet pipe 13.
It is fixed with the taper feed bin 6 that big end opening suitable for reading is little on platform 4, the discharging opening of feed bin 6 is provided with push-pull valve 7, can
To regulate mass flow, feed bin 6 discharging opening lower end is socketed with the stream pipe 2 extended in analog blast furnace 10, and stream pipe 2 outer surface is solid
Being provided with sprocket wheel 14, sprocket wheel 14 is connected by chain 3 motor 5 being fixed on platform 4, and motor 5 drives stream pipe by chain 3
2 rotate around its vertical axis.Stream pipe 2 end opening is connected with distributor chute 9 by bolt, and distributor chute 9 presss from both sides with vertical direction
Angle is 30 °, and stream pipe 2 outer wall is additionally provided with the flange being supported in analog blast furnace 10 top cover.
A kind of experimental technique of analog blast furnace air blast cloth, its step is as follows:
(1) the various raw materials reducing scale smaller according to analog blast furnace are coated with dye different colours according to kind, and by after dyeing
Raw material is poured in feed bin, represents coke different from the raw material color of Ore, and during cloth, bed of material distribution becomes apparent from, and facilitates the later stage to see
Examine bed of material distribution situation；
(2) start high-speed camera and the device driving distributor chute to rotate, and push-pull valve is left to 1/3rd apertures, cloth
The rotary speed of chute is adjusted by driving its device rotated；
(3) use high-speed camera to catch distributor chute to go to and high-speed camera and line upright position, analog blast furnace axis
Time material flow track, through the horizontal line on edge under distributor chute as X-axis, to set up coordinate system with analog blast furnace axis for Y-axis,
The track captured is represented in built coordinate system, carries out the comparison in the case of quantitative analysis and different cloth by coordinate system；
(4) closing push-pull valve, pour into resin in analog blast furnace, after resin and material are cured as one, the cutting each layer of material enters
Row is observed；
(5) step (2) centerboard valve is opened to 1/2nd apertures, carry out step (3), (4)；
(6) by fully open for step (2) centerboard valve, step (3), (4) are carried out.
Certainly, described above is also not limited to the example above, the present invention without describe technical characteristic can by or
Employing prior art realizes, and does not repeats them here；Above example and accompanying drawing are merely to illustrate technical scheme not
It is limitation of the present invention, with reference to preferred embodiment the present invention being described in detail, the ordinary skill people of this area
Member should be appreciated that change that those skilled in the art are made in the essential scope of the present invention, retrofits, adds
Or replace without departure from spirit of the invention, also should belong to the claims of the present invention.
Claims (8)
1. an analog blast furnace air blast cloth experimental provision, it is characterised in that: include that furnace wall is transparent and mould equipped with blower system
Intend blast furnace (10), be arranged at the platform (4) of described analog blast furnace (10) top and just analog blast furnace (10) axis arranged
High-speed camera (1), described platform (4) is fixed with feed bin (6), described feed bin (6) discharging opening be socketed with extend simulation height
The stream pipe (2) in stove (10) and being rotated by driving means, described stream pipe (2) end opening is connected with distributor chute (9), material
Flow tube (2) outer wall is provided with the flange being supported in analog blast furnace (10) top cover.
A kind of analog blast furnace air blast cloth experimental provision the most according to claim 1, it is characterised in that: described blower system
Export the blast pipe internal with analog blast furnace (10) including aerator (11), connection aerator (11) and be fixedly arranged on analog blast furnace
Blowpipe (8) on top cover.
A kind of analog blast furnace air blast cloth experimental provision the most according to claim 2, it is characterised in that: described blast pipe bag
Include and described aerator (11) outlet and enclose the bustle pipe (12) in analog blast furnace outer lower portion, described bustle pipe (12) circumference side
Upwards it is evenly distributed with some rigidity air inlet pipe (13) of connecting internal with analog blast furnace (10).
A kind of analog blast furnace air blast cloth experimental provision the most according to claim 1, it is characterised in that: described feed bin (6)
Push-pull valve (7) it is provided with on discharging opening.
A kind of analog blast furnace air blast cloth experimental provision the most according to claim 1, it is characterised in that: described driving means
Including being fixedly arranged on the sprocket wheel (14) of described stream pipe (2) outer surface and being connected with described sprocket wheel by chain (3) and be fixed on institute
State the motor (5) on platform (4).
A kind of analog blast furnace air blast cloth experimental provision the most according to claim 1, it is characterised in that: described distributor chute
(9) pass through bolt affixed with stream pipe (2), and distributor chute (9) is 0 ° ~ 90 ° with vertical direction angle.
A kind of analog blast furnace air blast cloth experimental provision the most according to claim 1, it is characterised in that: described feed bin (6)
For up big and down small taper storehouse.
8. the experimental technique of an analog blast furnace air blast cloth, it is characterised in that:
(1) the various raw materials reducing scale smaller according to analog blast furnace are coated with dye different colours according to kind, and by after dyeing
Raw material is poured in feed bin；
(2) start high-speed camera and the device driving distributor chute to rotate, and push-pull valve is left to 1/3rd apertures；
(3) use high-speed camera to catch distributor chute to go to and high-speed camera and line upright position, analog blast furnace axis
Time material flow track, through the horizontal line on edge under distributor chute as X-axis, to set up coordinate system with analog blast furnace axis for Y-axis,
The track captured is represented in built coordinate system；
(4) closing push-pull valve, pour into resin in analog blast furnace, after resin and material are cured as one, the cutting each layer of material enters
Row is observed.
(5) step (2) centerboard valve is opened to 1/2nd apertures, carry out step (3), (4)；
(6) by fully open for step (2) centerboard valve, step (3), (4) are carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610714542.4A CN106086258A (en) | 2016-08-24 | 2016-08-24 | A kind of analog blast furnace air blast cloth experimental provision and experimental technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610714542.4A CN106086258A (en) | 2016-08-24 | 2016-08-24 | A kind of analog blast furnace air blast cloth experimental provision and experimental technique |
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| CN106086258A true CN106086258A (en) | 2016-11-09 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201148441Y (en) * | 2007-12-30 | 2008-11-12 | 重庆大学 | Blast furnace chute cloth regular experimental device |
| CN202011885U (en) * | 2011-01-01 | 2011-10-19 | 河北钢铁股份有限公司邯郸分公司 | Blast furnace bell-less top material distribution simulation system |
| CN104561418A (en) * | 2013-10-23 | 2015-04-29 | 江苏省沙钢钢铁研究院有限公司 | Experimental system for simulating bell-less parallel-hopper distribution of blast furnace |
| CN205893293U (en) * | 2016-08-24 | 2017-01-18 | 山东钢铁股份有限公司 | Simulation blast -furnace blast cloth experimental apparatus |
-
2016
- 2016-08-24 CN CN201610714542.4A patent/CN106086258A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201148441Y (en) * | 2007-12-30 | 2008-11-12 | 重庆大学 | Blast furnace chute cloth regular experimental device |
| CN202011885U (en) * | 2011-01-01 | 2011-10-19 | 河北钢铁股份有限公司邯郸分公司 | Blast furnace bell-less top material distribution simulation system |
| CN104561418A (en) * | 2013-10-23 | 2015-04-29 | 江苏省沙钢钢铁研究院有限公司 | Experimental system for simulating bell-less parallel-hopper distribution of blast furnace |
| CN205893293U (en) * | 2016-08-24 | 2017-01-18 | 山东钢铁股份有限公司 | Simulation blast -furnace blast cloth experimental apparatus |
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Application publication date: 20161109 |
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