CN208649371U - A kind of de- titanium device of ladle bottom blowing stirring - Google Patents
A kind of de- titanium device of ladle bottom blowing stirring Download PDFInfo
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- CN208649371U CN208649371U CN201821168176.8U CN201821168176U CN208649371U CN 208649371 U CN208649371 U CN 208649371U CN 201821168176 U CN201821168176 U CN 201821168176U CN 208649371 U CN208649371 U CN 208649371U
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Abstract
A kind of de- titanium device of ladle bottom blowing stirring, belongs to molten iron smelting and takes off titanium eguipment and method and technology field, takes off titanium for carrying out bottom blowing stirring to ladle.Its technical solution is: the utility model increases bottom blowing stirring device in ladle bottom, and when molten iron discharging, bottom blowing stirring device carries out ventilation bottom blowing stirring to molten iron in ladle, guarantees ladle bottom blowing pressure and flow, mixing power needed for improving removing titanium in molten iron；Bottom blown gas type can require to be selected according to steel grade；Solid de-titanium agent is added in ladle in molten iron discharging position increase de-titanium agent adding apparatus, tapping；Dispersive air brick, which is arranged, in ladle bottom to guarantee ladle service life to avoid molten iron high-temp liquid leakage problems.In process of production, iron packet Bottom Blowing and flowing molten iron impact are stirred by the utility model, de-titanium agent is sufficiently reacted with the titanium in molten iron, substantially increases the using effect of de-titanium agent, removing titanium in molten iron rate can reach 50% or more, improve the quality of molten iron.
Description
Technical field
The utility model relates to a kind of ladle bottom blowing stirrings to take off titanium device, belong to molten iron smelting and take off titanium eguipment technology neck
Domain,.
Background technique
Since there are Ti elements in steel, Ti and N in steel or O generates TiN or TiO chemical combination in steel in steel production process
Object, this compound is non-metallic inclusion, and is a kind of brittle inclusion with corner angle, has seriously affected steel fatigue life.
It is higher and higher to the supplementary material of smelting when smelting low titanium steel with to steel degree of purity increasingly higher demands, especially pair
Entering furnace molten iron Ti also has higher requirement.In actual production, titanium is taken off using converter, titanium can be dropped to lower numerical value, but
Since titanyl compound content is higher in clinker, the converting process influence of falling slag rhythm of production, there are clinker flow capacities early period to ask less
Topic, is unavoidably rolled into ladle with molten steel in tapping process, causes titanyl compound in slag to be reduced in later process
Into in molten steel.
High Ti molten iron enters before converter if by Ti partial removal, it is excessively high do not will lead to vessel slag amount containing titanium oxide, it is difficult to guarantee
The control of molten steel Ti content is in claimed range after deoxidation.For this reason, it is necessary to by portion in tapping process or Hot Metal Pretreatment
Divide Ti removing.When existing research proves 1350 DEG C, the sequence that oxidation reaction occurs for element in molten iron is Ti, Si, Mn, C, this is just
It is created condition to take off titanium in ladle.It is mostly carried out in ladle currently, making steel de- titanium on Industry, China Patent No.
CN201310680667.6 discloses a kind of method of removing titanium in molten iron, its main feature is that de-titanium agent is added directly into ladle,
Steel stream impact when passing through tapping makes the oxidation reaction of de-titanium agent and the molten iron carry out de- titanium, and advantage is simple and convenient, but its
Charging is uneven, and no internal stirring, de- titanium rate is not high, and it is undesirable to take off titanium effect；Another China Patent No.
201010137534.0 disclosing a kind of removing titanium from ladle by using stirring method, this method stirs molten iron implementation using agitating paddle
It mixes, de-titanium agent uses pneumatic conveying, and de-titanium agent is sent into iron liquid at the top of the ladle with nitrogen, and de- titanium effect is good when advantage,
But de-titanium agent is added unevenly, and agitating paddle is inserted directly into iron liquid and is easily damaged.
Existing in view of current removing titanium in molten iron needs special de- titanium eguipment and the lower, higher cost of de-titanium agent utilization rate etc.
Problem, therefore compel the iron developed and can carry out that de- titanium and de- titanium slag can be removed to molten iron before molten iron enters in furnace that is essential
Water takes off titanium eguipment.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of ladle bottom blowing stirrings to take off titanium device, this device
De-titanium agent can be added in molten iron, be stirred by iron packet Bottom Blowing and flowing molten iron impact, enable de-titanium agent and molten iron
In titanium sufficiently react, improve the service efficiency of de-titanium agent, after removing titanium in molten iron, de- titanium slag removed, so as not to smelt when
" returning titanium " phenomenon occurs.
The technical solution for solving above-mentioned technical problem is:
A kind of de- titanium device of ladle bottom blowing stirring, it includes the ladle with bottom blowing function, metal hose, fast quick access
Head, ladle bottom blowing pipeline, oxygen conveying pipe, bottom blown gas conveyance conduit, one end of ladle bottom blowing pipeline passes through metal
The quick coupling of hose end is connected with ladle bottom blowing port, and the other end of ladle bottom blowing pipeline is conveyed with oxygen respectively
Pipeline, bottom blown gas conveyance conduit are connected, in ladle bottom blowing pipeline, oxygen conveying pipe, bottom blown gas conveyance conduit
Bottom blowing pipe break valve, oxygen channel shut-off valve, bottom blown gas pipe break valve, bottom blowing pipeline pressure gauge, oxygen are installed respectively
Pipeline pressure table, bottom blown gas pipeline pressure table, in oxygen conveying pipe, bottom blown gas conveyance conduit and ladle bottom blowing pipeline
Junction be separately installed with oxygen channel non-return valve and bottom blown gas pipeline non-return valve, be equipped in ladle bottom blowing pipeline
Bottom blowing pipeline flowmeter, the molten iron discharging position above ladle are equipped with de-titanium agent adding apparatus.
Above-mentioned ladle bottom blowing stirring takes off titanium device, and the de-titanium agent adding apparatus includes charging chute, lower vibrating feed
Device, scale hooper, upper vibra feeder, feed bin, install vibra feeder below feed bin, the feed opening of upper vibra feeder with
Scale hooper is opposite, and the lower end of scale hooper is opposite with lower vibra feeder, and lower vibra feeder is connected with the upper end of charging chute,
The discharge port of charging chute is located at the top of ladle, opposite with the packet mouth of ladle.
Above-mentioned ladle bottom blowing stirring takes off titanium device, and two pieces of dispersive air bricks, two pieces of disperses are arranged in ladle bottom
Type air brick is laid along a diameter of ladle bottom, and two pieces of dispersive air bricks are located at apart from diameter both ends 0.45
The position of diameter length.
The beneficial effects of the utility model are:
The utility model selection has the ladle of bottom blowing function, increases bottom blowing stirring device in ladle bottom, out
When molten iron, bottom blowing stirring device carries out ventilation bottom blowing stirring to molten iron in ladle, guarantees ladle bottom blowing pressure and flow, mentions
Mixing power needed for high removing titanium in molten iron；The utility model increases de-titanium agent adding apparatus in molten iron discharging position, to incite somebody to action when tapping
Solid de-titanium agent is added in ladle, is stirred by iron packet Bottom Blowing and flowing molten iron impact, is enabled de-titanium agent and iron
Titanium in water sufficiently reacts, and improves the service efficiency of de-titanium agent；The utility model advantageously ensures that peace using dispersive air brick
Entirely, molten iron high-temp liquid leakage problems are avoided, guarantee ladle service life, dispersive air brick is not limited by bottom blown gas type
System can require selection variety classes gas to carry out bottom blowing according to steel grade and take off titanium.
The utility model is the pioneering of removing titanium in molten iron, is stirred when creatively being realized using bottom blown gas to removing titanium in molten iron
Function is mixed, not only de-titanium agent can be made adequately to be mixed and be stirred with molten iron, and eliminates mechanical part stirring and is easy
The drawbacks of damage.The utility model can make solid de-titanium agent sufficiently be reacted with molten iron, substantially increase de-titanium agent
Using effect, removing titanium in molten iron rate can reach 50% or more, improve the quality of molten iron, provide for the high-grade steel of smelting excellent
Matter raw material have significant economic benefit.
Detailed description of the invention
Fig. 1 is that the ladle bottom blowing stirring of the utility model takes off titanium apparatus structure schematic diagram；
Fig. 2 is the de-titanium agent adding apparatus structural schematic diagram of the utility model；
Fig. 3 is the schematic view of the mounting position of dispersive air brick.
It is marked in figure as follows: ladle 1, metal hose 2, quick coupling 3, ladle bottom blowing pipeline 4, oxygen conveying pipe
5, bottom blown gas conveyance conduit 6, bottom blowing pipe break valve 7, oxygen channel shut-off valve 8, bottom blown gas pipe break valve 9, bottom blowing
Pipeline pressure table 10, oxygen channel pressure gauge 11, bottom blown gas pipeline pressure table 12, oxygen channel non-return valve 13, bottom blown gas
Pipeline non-return valve 14, bottom blowing pipeline flowmeter 15, charging chute 16, lower vibra feeder 17, scale hooper 18, upper vibra feeder
19, feed bin 20, dispersive air brick 21.
Specific embodiment
The utility model is a kind of device of de- titanium of ladle bottom blowing stirring, utilizes the existing equipment of enterprise, completes molten iron
De- titanium has the characteristics that be not required to put into larger fund, takes off that titanium effect is good, strong applicability.
The utility model is transformed and adds ladle bottom-blowing device to current possessed ladle, when guaranteeing tapping
Iron packet has bottom blowing function.In molten iron discharging, ventilation bottom blowing stirring is carried out to the molten iron in ladle, guarantees ladle bottom blowing pressure
Power and flow, mixing power needed for improving removing titanium in molten iron are stirred, so that de-titanium agent by iron packet Bottom Blowing and flowing molten iron impact
It can sufficiently be reacted with the titanium in molten iron, improve the using effect of de-titanium agent.After removing titanium in molten iron, de- titanium slag is removed, with
" returning titanium " phenomenon occurs when exempting to smelt.
Fig. 1 shows, ladle bottom blowing stirring take off titanium device it include the ladle 1 with bottom blowing function, metal hose 2,
Quick coupling 3, ladle bottom blowing pipeline 4, oxygen conveying pipe 5, bottom blown gas conveyance conduit 6.The one of ladle bottom blowing pipeline 4
End is connected by the quick coupling 3 of 2 end of metal hose with ladle bottom blowing port, the other end of ladle bottom blowing pipeline 4
It is connected respectively with oxygen conveying pipe 5, bottom blown gas conveyance conduit 6.
Fig. 1 is shown, installs bottom respectively in ladle bottom blowing pipeline 4, oxygen conveying pipe 5, bottom blown gas conveyance conduit 6
Blow pipe break valve 7, oxygen channel shut-off valve 8, bottom blown gas pipe break valve 9, bottom blowing pipeline pressure gauge 10, oxygen channel pressure
Power table 11, bottom blown gas pipeline pressure table 12.In oxygen conveying pipe 5, bottom blown gas conveyance conduit 6 and ladle bottom blowing pipeline
4 junction is separately installed with oxygen channel non-return valve 13 and bottom blown gas pipeline non-return valve 14.In ladle bottom blowing pipeline 4
Bottom blowing pipeline flowmeter 15 is installed.Molten iron discharging position above ladle 1 is equipped with de-titanium agent adding apparatus.
Fig. 2 shows, de-titanium agent adding apparatus include charging chute 16, lower vibra feeder 17, scale hooper 18, upper vibration to
Glassware 19, feed bin 20.Install vibra feeder 19, the feed opening and scale hooper 18 of upper vibra feeder 19 in the lower section of feed bin 20
Relatively, the lower end of scale hooper 18 and lower vibra feeder 17 are opposite, and lower vibra feeder 17 is connected with the upper end of charging chute 16
It connects, the discharge port of charging chute 16 is located at the top of ladle 1, opposite with the packet mouth of ladle 1.Scale hooper 18 can control and
The addition weight of solid de-titanium agent is weighed, solid de-titanium agent can be added in ladle 1 along charging chute 16.
Fig. 3 is shown, two pieces of dispersive air bricks 21 is arranged in 1 bottom of ladle, two pieces of dispersive air bricks 21 are along iron
One diameter of 1 bottom of water packet is laid, and two pieces of dispersive air bricks 21 are located at apart from 0.45 diameter length of diameter both ends
Position.Safety is advantageously ensured that using dispersive air brick 21, avoids molten iron high-temp liquid leakage problems, guarantees that ladle uses
Service life.Meanwhile not limited by bottom blown gas type using dispersive air brick 21, selection variety classes gas can be required according to steel grade
Body carries out bottom blowing and takes off titanium.
The application method of the utility model is as follows:
The first, confirm the integrity of ladle bottom-blowing device
A. selection has the ladle 1 of bottom blowing function, connects upper ladle by the quick coupling 3 of 2 end of metal hose
1；
B. the oxygen channel shut-off valve 8 in the oxygen conveying pipe 5 of ladle bottom-blowing device is opened, adjustment oxygen channel is cut
The only aperture of valve 8, it is ensured that the bottom blowing oxygen gas pressure of oxygen channel pressure gauge 11 is 1.2MPa；
C. the bottom blowing pipe break valve 7 in the ladle bottom blowing pipeline 4 of ladle bottom-blowing device is opened, bottom blowing pipeline is adjusted
The aperture of shut-off valve 7, it is ensured that the bottom blowing oxygen gas pressure of bottom blowing pipeline pressure gauge 10 is 1.2MPa；
D. ladle bottom blowing element is purged using the oxygen of 1.2Mp, after bottom blowing dispersive air brick 20 is ventilative,
Close bottom blowing pipe break valve 7 and oxygen channel shut-off valve 8；
The second, the selection of confirmation bottom blowing gas source and pressure
E. bottom blown gas conveyance conduit 6 connects nitrogen, in the bottom blown gas conveyance conduit 6 for opening ladle bottom-blowing device
Bottom blown gas pipe break valve 9 adjusts the aperture of bottom blown gas pipe break valve 9, it is ensured that bottom blown gas pipeline pressure table 12
Bottom blowing nitrogen gas pressure >=0.75MPa；
F. the opening degree of bottom blowing pipe break valve 7 is adjusted, it is ensured that bottom blowing nitrogen flow >=40m of bottom blowing pipeline flowmeter 15
³/h；
G. bottom blowing pipe break valve 7 and bottom blown gas pipe break valve 9, waiting for the start bottom blowing operation are closed；
Third, tapping bottom blowing and addition solid de-titanium agent
H. when molten iron discharging, the bottom blown gas pipe break valve 9 and bottom blowing pipe break valve 7 of ladle bottom-blowing device are opened,
Nitrogen bottom blowing, bottom blowing nitrogen pressure >=0.75MPa, flow >=40m3/h, to ladle when guaranteeing tapping are carried out to ladle 1
Molten iron has enough bottom blowing stirring power, 1 head room of ladle >=400mm in 1；
I. according to bottom blown gas type and molten iron terminal titanium desired value, solid de-titanium agent additional amount guarantee >=30Kg/t iron
Water is added continuously in ladle 1 in tapping with hot metal flow, is added when weight of molten iron goes out to 1/2, adjoint ladle bottom
The Double stirring of air blowing source and the impact of steel stream, to guarantee de-titanium agent service efficiency, the bottom blowing time is controlled in 3~5min after tapping,
Ensure de- titanium process hot metal temperature drop≤40 DEG C；
J. 3~5min after tapping is complete closes bottom blown gas pipe break valve 9 and bottom blowing pipe break valve 7, passes through metal
The quick coupling 3 of 2 end of hose disconnects the bottom blowing gas of ladle 1；
4th, removing titanium in molten iron clinker removes
K. de- titanium slag is removed in molten iron drossing position, molten iron carries out thermometric sampling, to avoid occurring " to return when smelting
Titanium " phenomenon.
The utility model ladle bottom blowing stirring take off titanium method in, bottom blown gas can be used nitrogen, argon gas, air,
The gaseous mixture of the pure gas such as oxygen or two kinds and two or more above-mentioned gas is stirred and takes off titanium.
It is taken off in titanium method in the ladle bottom blowing stirring of the utility model, solid de-titanium agent is to guarantee that de- titanium effect uses block
It returns, FeO+Fe2O3 >=70%, and granularity is 0.1~3mm, granularity > 3mm ratio does not surpass 5%.
In the application method of the utility model, steps are as follows for the addition of solid de-titanium agent:
The upper vibra feeder 19 for opening 20 lower section of feed bin expects that scale hooper 18 weighs under in feed bin 20；
After de-titanium agent meets dosage in scale hooper 18, the upper vibra feeder 19 of 20 lower section of feed bin is closed；
After molten iron in ladle 1 is measured to~10 tons, the lower vibra feeder 17 for opening 18 lower section of scale hooper is fed；
After de-titanium agent is added in ladle 1 with feeding chute 16 in scale hooper 18, close under 18 lower section of scale hooper
Vibra feeder 17.
The embodiments of the present invention are as follows:
Embodiment 1
The present embodiment employs nitrogen as to take off titanium bottom blown gas, and removing titanium in molten iron rate can averagely reach 50.8%, and molten iron is average
30.7 DEG C of temperature drop, so as to added solid de-titanium agent carrying out that reaction is sufficiently stirred when tapping, increase the utilization rate of de-titanium agent.
Ladle bottom blowing operating procedure is as follows:
(1) upper ladle 1 is connected by the quick coupling 3 of 2 end of metal hose.
(2) the oxygen channel shut-off valve 8 in oxygen conveying pipe 5 is opened, adjusts the aperture of oxygen channel shut-off valve 8, really
The bottom blowing oxygen gas pressure for protecting oxygen channel pressure gauge 11 is 1.2MPa.
(3) the bottom blowing pipe break valve 7 in ladle bottom blowing pipeline 4 is opened, the aperture of bottom blowing pipe break valve 7 is adjusted,
The bottom blowing oxygen gas pressure for ensuring bottom blowing pipeline pressure gauge 10 is 1.2MPa.
(4) ladle bottom blowing element is purged using the oxygen of 1.2Mp, it is ventilative to bottom blowing dispersive air brick 20
Afterwards, bottom blowing pipe break valve 7 and oxygen channel shut-off valve 8 are closed.
(5) the bottom blown gas pipe break valve 9 in bottom blown gas conveyance conduit 6 is opened, bottom blown gas pipeline cut-off is adjusted
The aperture of valve 9, it is ensured that the bottom blowing nitrogen gas pressure 0.85MPa of bottom blown gas pipeline pressure table 12.
(6) opening degree of bottom blowing pipe break valve 7 is adjusted, it is ensured that the bottom blowing nitrogen flow 55m of bottom blowing pipeline flowmeter 15
3/h guarantees 1 head room of ladle~400mm.
(7) 3~5min after tapping closes bottom blowing pipe break valve 7 and bottom blown gas pipe break valve 9.
(8) bottom blowing gas of ladle 17 is disconnected by the quick coupling 3 of 2 end of metal hose.
De-titanium agent is added, and steps are as follows:
(1) the upper vibra feeder 19 for opening 20 lower section of feed bin expects that scale hooper 18 weighs under in feed bin 20.
(2) after de-titanium agent meets 45Kg/t molten iron dosage in scale hooper 18, the upper vibra feeder of 20 lower section of feed bin is closed
19。
(3) after molten iron in ladle is measured to~10 tons, the lower vibra feeder 17 for opening 18 lower section of scale hooper is fed,
It is added when weight of molten iron goes out to 1/2.
(4) after de-titanium agent is added in ladle 1 with feeding chute 16 in scale hooper 18,18 lower section of scale hooper is closed
Lower vibra feeder 17.
Embodiment 2
The present embodiment is using argon gas as bottom blown gas, and removing titanium in molten iron rate can averagely reach 53.5%, the equal temperature drop of iron level
39.8 DEG C, so as to added solid de-titanium agent carrying out that reaction is sufficiently stirred when tapping, increase the utilization rate of de-titanium agent, molten iron is taken off
Slag effect increases.
Ladle bottom blowing operating procedure is as follows:
(1) upper ladle 1 is connected by the quick coupling 3 of 2 end of metal hose.
(2) the oxygen channel shut-off valve 8 in oxygen conveying pipe 5 is opened, adjusts the aperture of oxygen channel shut-off valve 8, really
The bottom blowing oxygen gas pressure for protecting oxygen channel pressure gauge 11 is 1.2MPa.
(3) the bottom blowing pipe break valve 7 in ladle bottom blowing pipeline 4 is opened, the aperture of bottom blowing pipe break valve 7 is adjusted,
The bottom blowing oxygen gas pressure for ensuring bottom blowing pipeline pressure gauge 10 is 1.2MPa.
(4) ladle bottom blowing element is purged using the oxygen of 1.2Mp, it is ventilative to bottom blowing dispersive air brick 20
Afterwards, bottom blowing pipe break valve 7 and oxygen channel shut-off valve 8 are closed.
(5) the bottom blown gas pipe break valve 9 in bottom blown gas conveyance conduit 6 is opened, bottom blown gas pipeline cut-off is adjusted
The aperture of valve 9, it is ensured that the argon bottom-blowing gas pressure 0.80MPa of bottom blown gas pipeline pressure table 12.
(6) opening degree of bottom blowing pipe break valve 7 is adjusted, it is ensured that the argon bottom-blowing flow 50m of bottom blowing pipeline flowmeter 15
3/h guarantees 1 head room of ladle~450mm.
(7) 3~5min after tapping closes bottom blowing pipe break valve 7 and bottom blown gas pipe break valve 9.
(8) bottom blowing gas of ladle 17 is disconnected by the quick coupling 3 of 2 end of metal hose.
De-titanium agent is added, and steps are as follows:
(1) the upper vibra feeder 19 for opening 20 lower section of feed bin expects that scale hooper 18 weighs under in feed bin 20.
(2) after de-titanium agent meets 40Kg/t molten iron dosage in scale hooper 18, the upper vibra feeder of 20 lower section of feed bin is closed
19。
(3) after molten iron in ladle is measured to~10 tons, the lower vibra feeder 17 for opening 18 lower section of scale hooper is fed,
It is added when weight of molten iron goes out to 1/2.
(4) after de-titanium agent is added in ladle 1 with feeding chute 16 in scale hooper 18,18 lower section of scale hooper is closed
Lower vibra feeder 17.
Embodiment 3
The present embodiment uses air as bottom blown gas, and removing titanium in molten iron rate can averagely reach 63%, the equal temperature drop 35 of iron level
DEG C, so as to added solid de-titanium agent carrying out that reaction is sufficiently stirred when tapping, increase the utilization rate of de-titanium agent, molten iron drossing effect
Fruit increases.
Ladle bottom blowing operating procedure is as follows:
(1) upper ladle 1 is connected by the quick coupling 3 of 2 end of metal hose.
(2) the oxygen channel shut-off valve 8 in oxygen conveying pipe 5 is opened, adjusts the aperture of oxygen channel shut-off valve 8, really
The bottom blowing oxygen gas pressure for protecting oxygen channel pressure gauge 11 is 1.2MPa.
(3) the bottom blowing pipe break valve 7 in ladle bottom blowing pipeline 4 is opened, the aperture of bottom blowing pipe break valve 7 is adjusted,
The bottom blowing oxygen gas pressure for ensuring bottom blowing pipeline pressure gauge 10 is 1.2MPa.
(4) ladle bottom blowing element is purged using the oxygen of 1.2Mp, it is ventilative to bottom blowing dispersive air brick 20
Afterwards, bottom blowing pipe break valve 7 and oxygen channel shut-off valve 8 are closed.
(5) the bottom blown gas pipe break valve 9 in bottom blown gas conveyance conduit 6 is opened, bottom blown gas pipeline cut-off is adjusted
The aperture of valve 9, it is ensured that the bottom blowing air gas pressure 0.75MPa of bottom blown gas pipeline pressure table 12.
(6) opening degree of bottom blowing pipe break valve 7 is adjusted, it is ensured that the bottom blowing air mass flow 43m of bottom blowing pipeline flowmeter 15
3/h guarantees 1 head room of ladle~450mm.
(7) 3~5min after tapping closes bottom blowing pipe break valve 7 and bottom blown gas pipe break valve 9.
(8) bottom blowing gas of ladle 17 is disconnected by the quick coupling 3 of 2 end of metal hose.
De-titanium agent is added, and steps are as follows:
(1) the upper vibra feeder 19 for opening 20 lower section of feed bin expects that scale hooper 18 weighs under in feed bin 20.
(2) after de-titanium agent meets 38Kg/t molten iron dosage in scale hooper 18, the upper vibra feeder of 20 lower section of feed bin is closed
19。
(3) after molten iron in ladle is measured to~10 tons, the lower vibra feeder 17 for opening 18 lower section of scale hooper is fed,
It is added when weight of molten iron goes out to 1/2.
(4) after de-titanium agent is added in ladle 1 with feeding chute 16 in scale hooper 18,18 lower section of scale hooper is closed
Lower vibra feeder 17.
Claims (3)
1. a kind of ladle bottom blowing stirring takes off titanium device, it is characterised in that: it includes the ladle (1) with bottom blowing function, gold
Belong to hose (2), quick coupling (3), ladle bottom blowing pipeline (4), oxygen conveying pipe (5), bottom blown gas conveyance conduit (6),
One end of ladle bottom blowing pipeline (4) passes through the quick coupling (3) and ladle (1) bottom blowing port phase of metal hose (2) end
Connection, the other end of ladle bottom blowing pipeline (4) are connected with oxygen conveying pipe (5), bottom blown gas conveyance conduit (6) respectively
It connects, bottom blowing pipeline is installed respectively in (6) in ladle bottom blowing pipeline (4), oxygen conveying pipe (5), bottom blown gas conveyance conduit
Shut-off valve (7), oxygen channel shut-off valve (8), bottom blown gas pipe break valve (9), bottom blowing pipeline pressure gauge (10), oxygen channel
Pressure gauge (11), bottom blown gas pipeline pressure table (12), in oxygen conveying pipe (5), bottom blown gas conveyance conduit (6) and molten iron
The junction of packet bottom blowing pipeline (4) is separately installed with oxygen channel non-return valve (13) and bottom blown gas pipeline non-return valve (14),
Bottom blowing pipeline flowmeter (15) is installed, the molten iron discharging position above ladle (1) is equipped in ladle bottom blowing pipeline (4)
De-titanium agent adding apparatus.
2. ladle bottom blowing stirring according to claim 1 takes off titanium device, it is characterised in that: the de-titanium agent adding apparatus
Including charging chute (16), lower vibra feeder (17), scale hooper (18), upper vibra feeder (19), feed bin (20), feed bin
(20) it is installed below vibra feeder (19), the feed opening of upper vibra feeder (19) and scale hooper (18) relatively, weigh
Relatively, lower vibra feeder (17) is connected with the upper end of charging chute (16) for the lower end of bucket (18) and lower vibra feeder (17)
It connects, the discharge port of charging chute (16) is located at the top of ladle (1), opposite with the packet mouth of ladle (1).
3. ladle bottom blowing stirring according to claim 1 takes off titanium device, it is characterised in that: set in ladle (1) bottom
Two pieces of dispersive air bricks (21) are set, two pieces of dispersive air bricks (21) are laid along a diameter of ladle (1) bottom, and two
Block dispersive air brick (21) is located at the position apart from 0.45 diameter length of diameter both ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821168176.8U CN208649371U (en) | 2018-07-23 | 2018-07-23 | A kind of de- titanium device of ladle bottom blowing stirring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821168176.8U CN208649371U (en) | 2018-07-23 | 2018-07-23 | A kind of de- titanium device of ladle bottom blowing stirring |
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| Publication Number | Publication Date |
|---|---|
| CN208649371U true CN208649371U (en) | 2019-03-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108728609A (en) * | 2018-07-23 | 2018-11-02 | 石家庄钢铁有限责任公司 | A kind of de- titanium device and method of ladle bottom blowing stirring |
| CN111421130A (en) * | 2020-04-01 | 2020-07-17 | 东北大学 | Air brick anti-seepage device and anti-seepage method thereof |
-
2018
- 2018-07-23 CN CN201821168176.8U patent/CN208649371U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108728609A (en) * | 2018-07-23 | 2018-11-02 | 石家庄钢铁有限责任公司 | A kind of de- titanium device and method of ladle bottom blowing stirring |
| CN111421130A (en) * | 2020-04-01 | 2020-07-17 | 东北大学 | Air brick anti-seepage device and anti-seepage method thereof |
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