CN208293030U - A kind of ladle bottom blowing air brick volume control device - Google Patents
A kind of ladle bottom blowing air brick volume control device Download PDFInfo
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- CN208293030U CN208293030U CN201820628571.3U CN201820628571U CN208293030U CN 208293030 U CN208293030 U CN 208293030U CN 201820628571 U CN201820628571 U CN 201820628571U CN 208293030 U CN208293030 U CN 208293030U
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- ladle
- air brick
- air
- pipe
- control valve
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Abstract
The utility model discloses a kind of ladle bottom blowing air brick volume control devices, including ladle, molten steel is contained on the inside of ladle, the upper surface of molten steel is covered with coverture, the bottom of ladle is equipped with the first air brick and the second air brick, the first air entraining pipe is provided on first air brick, the first air entraining pipe is connect by first pipe with BOTTOM ARGON BLOWING gas source, and the first control valve and first pressure gauge are equipped in first pipe.The utility model ladle bottom blowing air brick volume control device, the first control valve is accurately controlled by PLC control system and the second control valve is connect with BOTTOM ARGON BLOWING gas source respectively, control the argon flow of the first air brick and the second air brick respectively by the first control valve and the second control valve, meet ladle in the different Argon stages, using forming suitable ladle flow field under different Argon modes, promote the temperature component of molten steel in wrapping uniform, field trash sufficiently floats, and avoids molten steel is exposed from contacting and oxidation and degradation steel quality with air.
Description
Technical field
The utility model relates to technical field of ferrous metallurgy, specially a kind of ladle bottom blowing air brick volume control device.
Background technique
The ladle argon-blown stage is a very important link in converter steelmaking process production process.Good ladle argon-blown
Process can accurately control temperature, the ingredient of molten steel；Remove AL2O3, SiO2, FeO, the MnO generated during deoxidation alloying
Deng harmful field trash, cleaning molten steel walks continuous casting working procedure production requirement after meeting, and meets requirement of the terminal client to steel product quality；Especially
It is production SPHC, and whens aluminum killed steels such as SPHD is most important.
Steel ladle bottom is equipped with 2 blocks of refractory material air bricks, and traditional control mode is a set of control system (including valve
And pipeline) 2 blocks of air bricks of centralized control；There is very big drawback in this control mode, 2 blocks of air bricks of ladle bottom belong to fire resisting
Material；In continuous commercial process, the loss of 2 blocks of air bricks and state and therefrom caused by permeability become
Change be it is nonsynchronous, under a set of control system, the air permeability effect of 2 blocks of air bricks is often distinguished very big；Often in actual production
It is very big to occur the argon flow that one block of air brick passes through in journey, and another piece of air brick flow very little；When increasing flow, thoroughly
It is exposed and aoxidize that molten steel occurs in the good air brick of gas performance；When reducing flow, the air brick flow of permeability difference too it is small then
It is not able to satisfy the requirement of AL2O3 inclusion floating exclusion, so a traditional valve controls two blocks of air bricks and is difficult to realize to 2
The accurate control of block air brick.
Summary of the invention
The purpose of this utility model is to provide a kind of ladle bottom blowing air brick volume control devices, using 2 road control valves
Door accurately controls 2 pieces of air brick flows, smelts the high added values steel grades such as SPHC, SPHD, Q235B-Z for low cost and creates
Condition can solve the problems of the prior art.
To achieve the above object, the utility model provides the following technical solutions: a kind of ladle bottom blowing air brick flow control
Device, including ladle are contained with molten steel on the inside of the ladle, and the upper surface of the molten steel is covered with coverture, the covering
Agent is located at the upper end on the inside of ladle, and the bottom of the ladle is equipped with the first air brick and the second air brick, and described first is ventilative
Brick and the second air brick are arranged side by side, and are provided with the first air entraining pipe on first air brick, and first air entraining pipe passes through the
One pipeline is connect with BOTTOM ARGON BLOWING gas source, is equipped with the first control valve and first pressure gauge in the first pipe, and described first
Control valve is located at the side of first pressure gauge, and the second air entraining pipe, second air entraining pipe are provided on second air brick
It is also connect with BOTTOM ARGON BLOWING gas source by second pipe, the second control valve and second pressure gauge is installed on the second pipe,
Second control valve is located at the side of second pressure gauge.
Preferably, the side of the BOTTOM ARGON BLOWING gas source is provided with PLC control system.
Preferably, first control valve, first pressure gauge, the second control valve and second pressure gauge are controlled with PLC
System connection processed.
Compared with prior art, the beneficial effects of the utility model are as follows:
The utility model ladle bottom blowing air brick volume control device, the first adjusting is accurately controlled by PLC control system
Valve and the second control valve are connect with BOTTOM ARGON BLOWING gas source respectively, in production process, hold molten steel in ladle, in BOTTOM ARGON BLOWING gas source
Argon gas ladle is blown by first pipe and second pipe, and controlled respectively by the first control valve and the second control valve
The argon flow of first air brick and the second air brick meets ladle in the different Argon stages, using under different Argon modes
Form suitable ladle flow field, promote the temperature component of molten steel in wrapping uniform, field trash sufficiently floats, avoid molten steel exposed with it is empty
Gas is contacted and is aoxidized, and deteriorates steel quality, is smelted the high added values steel grades such as SPHC, SPHD, Q235B-Z for low cost and is created item
Part, simple process can be widely applied to new steel mill's design and built the reconstruction of steel mill, have significant economic benefit.
Detailed description of the invention
Fig. 1 is the ladle bottom blowing air brick volume control device schematic diagram of the utility model.
In figure: 1 ladle, 2 molten steel, 3 covertures, 4 first air bricks, 41 first air entraining pipes, 5 second air bricks, 51 second
Air entraining pipe, 6 first pipes, 7 BOTTOM ARGON BLOWING gas sources, 8 first control valves, 9 first pressure gauges, 10 second pipes, 11 second are adjusted
Valve, 12 second pressure gauges, 13 PLC control systems.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, a kind of ladle bottom blowing air brick volume control device, including ladle 1, the inside of ladle 1 are contained with
Molten steel 2, the upper surface of molten steel 2 are covered with coverture 3, and coverture 3 is located at the upper end of 1 inside of ladle, and coverture 3 can be effectively prevent
Molten steel 2 cools down too fast, and the bottom of ladle 1 is equipped with the first air brick 4 and the second air brick 5, and the first air brick 4 and second is ventilative
Brick 5 is arranged side by side, and the first air entraining pipe 41 is provided on the first air brick 4, and the first air entraining pipe 41 passes through first pipe 6 and BOTTOM ARGON BLOWING
Gas source 7 connects, and the argon gas in BOTTOM ARGON BLOWING gas source 7 is blown into ladle 1 by first pipe 6 and the first air brick 4, PLC control
Accurately the first control valve of control 8 meets ladle 1 and blows in different system 13 to the argon flow of the first air brick 4 of control
The argon stage promotes the temperature component of molten steel 2 in wrapping uniform, is mingled with using suitable 1 flow field of ladle is formed under different Argon modes
Object sufficiently floats, and avoids exposed contact with air of molten steel 2 and aoxidizes to deteriorate 2 mass of molten steel, and the is equipped in first pipe 6
One control valve 8 and first pressure gauge 9, the first control valve 8 are located at the side of first pressure gauge 9, are arranged on the second air brick 5
There is the second air entraining pipe 51, the second air entraining pipe 51 is also connect with BOTTOM ARGON BLOWING gas source 7 by second pipe 10, in BOTTOM ARGON BLOWING gas source 7
Argon gas is blown into ladle 1 by second pipe 10 and the second air brick 5, and PLC control system 13 accurately controls the second regulating valve
Door 11 meets ladle 1 in the different Argon stages, using different Argon modes to the argon flow of the second air brick 5 of control
It is lower to form suitable 1 flow field of ladle, promote the temperature component of molten steel 2 in wrapping uniform, field trash sufficiently floats, and avoids molten steel 2 naked
Dew contacts with air and aoxidizes to deteriorate 2 mass of molten steel, and the side of BOTTOM ARGON BLOWING gas source 7 is provided with PLC control system 13, PLC
Control system 13 is precisely controlled the first control valve 8, first pressure gauge 9, the second control valve 11 and second pressure gauge 12, and first
Pressure gauge 9 and second pressure gauge 12 are used for the pressure of real-time detection first pipe 6 and second pipe 10, install on second pipe 10
There are the second control valve 11 and second pressure gauge 12, the second control valve 11 is located at the side of second pressure gauge 12, and first is adjusted
Valve 8, first pressure gauge 9, the second control valve 11 and second pressure gauge 12 are connect with PLC control system 13, are controlled by PLC
Accurately the first control valve 8 of control and the second control valve 11 are connect with BOTTOM ARGON BLOWING gas source 7 system 13 processed respectively, production process
In, molten steel 2 is held in ladle 1, the argon gas in BOTTOM ARGON BLOWING gas source 7 is blown into ladle 1 by first pipe 6 and second pipe 10, and
Control the argon flow of the first air brick 4 and the second air brick 5 respectively by the first control valve 8 and the second control valve 11,
Meet ladle 1 in the different Argon stages, smelts the high added values steel grades such as SPHC, SPHD, Q235B-Z for low cost and create item
Part, simple process can be widely applied to new steel mill's design and built the reconstruction of steel mill, have significant economic benefit.
In summary: the utility model ladle bottom blowing air brick volume control device is accurately controlled by PLC control system 13
It makes the first control valve 8 and the second control valve 11 is connect with BOTTOM ARGON BLOWING gas source 7 respectively, in production process, hold steel in ladle 1
Water 2, the argon gas in BOTTOM ARGON BLOWING gas source 7 is blown into ladle 1 by first pipe 6 and second pipe 10, and passes through the first control valve 8
The argon flow for controlling the first air brick 4 and the second air brick 5 respectively with the second control valve 11 meets ladle 1 different
The Argon stage promotes the temperature component of molten steel 2 in wrapping uniform, folder using suitable 1 flow field of ladle is formed under different Argon modes
Sundries sufficiently floats, and avoids exposed contact with air of molten steel 2 and aoxidizes, deteriorate 2 mass of molten steel, for low cost smelt SPHC,
The high added values steel grade such as SPHD, Q235B-Z creates conditions, simple process, can be widely applied to new steel mill's design and is completed
The reconstruction of steel mill has significant economic benefit.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (3)
1. a kind of ladle bottom blowing air brick volume control device, including ladle (1), it is characterised in that: the inside of the ladle (1)
It is contained with molten steel (2), the upper surface of the molten steel (2) is covered with coverture (3), and the coverture (3) is located on the inside of ladle (1)
Upper end, the bottom of the ladle (1) is equipped with the first air brick (4) and the second air brick (5), first air brick (4)
It is arranged side by side, is provided with the first air entraining pipe (41) on first air brick (4), first bleed with the second air brick (5)
Pipe (41) is connect by first pipe (6) with BOTTOM ARGON BLOWING gas source (7), is equipped with the first control valve on the first pipe (6)
(8) and first pressure gauge (9), first control valve (8) are located at the side of first pressure gauge (9), second air brick
(5) be provided on the second air entraining pipe (51), second air entraining pipe (51) by second pipe (10) also with BOTTOM ARGON BLOWING gas source (7)
It connects, the second control valve (11) and second pressure gauge (12), second regulating valve is installed on the second pipe (10)
Door (11) is located at the side of second pressure gauge (12).
2. a kind of ladle bottom blowing air brick volume control device according to claim 1, it is characterised in that: the BOTTOM ARGON BLOWING
The side of gas source (7) is provided with PLC control system (13).
3. a kind of ladle bottom blowing air brick volume control device according to claim 2, it is characterised in that: described first adjusts
Valve (8), first pressure gauge (9), the second control valve (11) and second pressure gauge (12) is saved to connect with PLC control system (13)
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820628571.3U CN208293030U (en) | 2018-04-27 | 2018-04-27 | A kind of ladle bottom blowing air brick volume control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820628571.3U CN208293030U (en) | 2018-04-27 | 2018-04-27 | A kind of ladle bottom blowing air brick volume control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208293030U true CN208293030U (en) | 2018-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820628571.3U Active CN208293030U (en) | 2018-04-27 | 2018-04-27 | A kind of ladle bottom blowing air brick volume control device |
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| CN (1) | CN208293030U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110523966A (en) * | 2019-09-25 | 2019-12-03 | 张家港广大特材股份有限公司 | A kind of double porous cores of ladle |
| CN111842819A (en) * | 2020-08-26 | 2020-10-30 | 安徽林洪重工科技有限公司 | Ingot mold casting device based on flow field control and using method thereof |
-
2018
- 2018-04-27 CN CN201820628571.3U patent/CN208293030U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110523966A (en) * | 2019-09-25 | 2019-12-03 | 张家港广大特材股份有限公司 | A kind of double porous cores of ladle |
| CN111842819A (en) * | 2020-08-26 | 2020-10-30 | 安徽林洪重工科技有限公司 | Ingot mold casting device based on flow field control and using method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190603 Address after: 153000 Xinxing Street, Xilin District, Yichun City, Heilongjiang Province Patentee after: Jianlong Xilin Iron and Steel Co., Ltd. Address before: Dongzhen, Wenxi County, Yuncheng City, Shanxi Province Patentee before: Shanxi Jianlong Industry Co., Ltd. |