CN203429201U - VOD (vacuum oxygen decarburization) furnace - Google Patents
VOD (vacuum oxygen decarburization) furnace Download PDFInfo
- Publication number
- CN203429201U CN203429201U CN201320377154.3U CN201320377154U CN203429201U CN 203429201 U CN203429201 U CN 203429201U CN 201320377154 U CN201320377154 U CN 201320377154U CN 203429201 U CN203429201 U CN 203429201U
- Authority
- CN
- China
- Prior art keywords
- vacuum tank
- oxygen
- vacuum
- angle
- ventilating pit
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 50
- 239000001301 oxygen Substances 0.000 title claims abstract description 50
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 238000005261 decarburization Methods 0.000 title abstract description 3
- 238000005070 sampling Methods 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 8
- 239000010959 steel Substances 0.000 abstract description 8
- 238000005086 pumping Methods 0.000 abstract 1
- 238000003723 Smelting Methods 0.000 description 5
- 238000007664 blowing Methods 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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- Treatment Of Steel In Its Molten State (AREA)
Abstract
The utility model discloses a VOD (vacuum oxygen decarburization) furnace. The VOD furnace comprises a ladle, a vacuum tank and a vacuum tank cover, wherein the ladle is arranged inside the vacuum tank and is connected with an oxygen system and a vacuum pumping system; the oxygen system comprises an oxygen chamber; the oxygen chamber is connected to the vacuum tank via an oxygen pipeline; a connector which is connected with the oxygen pipeline and is formed in the vacuum tank is wholly circular; a plurality of rows of vents are distributed up and down in the middle of the connector and form certain included angles with the vacuum tank; the included angles between the vents in the lower rows and the vacuum tank are larger than the included angles between the vents in the upper rows and the vacuum tank. The VOD furnace achieves complete coverage of an opening above the ladle by oxygen by utilizing the vents in the connector which is connected with the oxygen pipeline and is formed in the vacuum tank and ensures the uniformity of the blown-out oxygen, thus ensuring the quality of molten steel.
Description
Technical field
The utility model relates to a kind of VOD stove for steelworks smelting molten steel.
Background technology
VOD stove is mainly used in stainless steel smelting, and VOD type ladle refining furnace is alloying constituent fine setting under oxygen blast under vacuum, decarburization, vacuum stripping, vacuum, is mainly used in refining Ultralow Carbon Stainless Steel and electrical pure iron etc.Also have oxygen rifle smelting stainless steel is installed on the vacuum cover of VD stove, become VOD stove.General and the LF stove of VD stove matches, and respectively by completing the adjustment of composition, temperature on LF stove, is completed the tasks such as degassed, stirring by VD stove.For guaranteeing the purity of molten steel, the oxygen blowing out needs the opening that comprehensively covers ladle top just can reach good effect, and the oxygen blowing out does not now reach the effect of comprehensive covering, so can affect the quality of molten steel, affects purity.
Utility model content
The purpose of this utility model is to provide the VOD stove that a kind of oxygen blowing out can cover the opening of ladle top comprehensively.
For achieving the above object, the utility model provides a kind of VOD stove, comprise ladle, vacuum tank and vacuum container cover, it is inner that described ladle is positioned at described vacuum tank, described vacuum container cover covers on described vacuum tank, on described vacuum tank, be connected with oxygen system and pumped vacuum systems, described oxygen system comprises oxygen storehouse, described oxygen storehouse is connected on described vacuum tank by oxygen channel, the Link Port being connected with oxygen channel on described vacuum tank is whole for circular, in the middle of described Link Port, being distributes is up and down provided with many row's ventilating pits, the described ventilating pit of many rows and vacuum tank all have certain angle, and the angle of row described ventilating pit and a vacuum tank is greater than above an angle of arranging described ventilating pit and vacuum tank below, and be provided with gas flow regulating valve on described oxygen channel, described pumped vacuum systems comprises vacuum pump, described vacuum pump is connected on described vacuum tank by pipeline.VOD stove of the present utility model, the distribution that utilizes the Link Port being connected with oxygen channel on vacuum tank to go out ventilating pit realizes the comprehensive covering of oxygen to ladle upper opening, guarantees to blow out the homogeneity of oxygen, has guaranteed the quality of molten steel.
Wherein, described ventilating pit is 5 rows, described in first row, the angle of ventilating pit and vacuum tank is 5 °, described in second row, the angle of ventilating pit and vacuum tank is 10 °, the angle of the 3rd described ventilating pit of row and vacuum tank is 15 °, the angle of the 4th described ventilating pit of row and vacuum tank is 20 °, and the angle of the 5th described ventilating pit of row and vacuum tank is 25 °.The angle of ventilating pit and vacuum tank increases progressively from top to bottom successively, can realize the comprehensive covering to ladle upper opening of the oxygen that blows out.
As further improvement of the utility model, on described vacuum tank, be also provided with thermometric sampling window and view port.Thermometric sampling window is for thermometric and sampling, and view port is used for the situation of observing vacuum tank inside.
VOD stove of the present utility model, oxygen can evenly comprehensively be blown into the opening of ladle top, improves the quality of smelting molten steel, improve purity, and cost is low, makes simply, utilizes the adjustment of ventilating pit angle to realize, and can be widely used.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the Link Port that is connected with oxygen channel on the utility model vacuum tank;
Fig. 3 is that the A-A of Fig. 2 is to sectional view;
Wherein, 1-ladle, 2-vacuum tank, 3-vacuum container cover, 4-Link Port, 5-oxygen storehouse, 6-oxygen channel, 7-gas flow regulating valve, 8-vacuum pump, 9-pipeline, 10-ventilating pit, 11-thermometric sampling window, 12-view port.
Embodiment
Below in conjunction with accompanying drawing, describe optimal technical scheme of the present utility model in detail.
As shown in the figure, VOD stove of the present utility model, comprise ladle 1, vacuum tank 2 and vacuum container cover 3, described ladle 1 is positioned at described vacuum tank 2 inside, described vacuum container cover 3 covers on described vacuum tank 2, on described vacuum tank 2, be connected with oxygen system and pumped vacuum systems, described oxygen system comprises oxygen storehouse 5, described oxygen storehouse 5 is connected on described vacuum tank 2 by oxygen channel 6, the Link Port 4 being connected with oxygen channel 6 on described vacuum tank 2 is whole for circular, in the middle of described Link Port 4, being distributes is up and down provided with many row's ventilating pits 10, the described ventilating pit 10 of many rows all has certain angle with vacuum tank 2, and the angle of row's described ventilating pit 10 and vacuum tank 2 is greater than the angle of the described ventilating pit 10 of a row and vacuum tank 2 above below, and be provided with gas flow regulating valve 7 on described oxygen channel 6, described pumped vacuum systems comprises vacuum pump 8, described vacuum pump 8 is connected on described vacuum tank 2 by pipeline 9, wherein said ventilating pit 10 is 5 rows, described in first row, ventilating pit 10 is 5 ° with the angle of vacuum tank 2, described in second row, ventilating pit 10 is 10 ° with the angle of vacuum tank 2, the described ventilating pit 10 of the 3rd row is 15 ° with the angle of vacuum tank 2, the described ventilating pit 10 of the 4th row is 20 ° with the angle of vacuum tank 2, the described ventilating pit 10 of the 5th row is 25 ° with the angle of vacuum tank 2, on described vacuum tank 2, be also provided with thermometric sampling window 11 and view port 12.
VOD stove of the present utility model, the distribution that utilizes the Link Port being connected with oxygen channel on vacuum tank to go out ventilating pit realizes the comprehensive covering of oxygen to ladle upper opening, guarantees to blow out the homogeneity of oxygen, has guaranteed the quality of molten steel.The angle of ventilating pit and vacuum tank increases progressively from top to bottom successively, can realize the comprehensive covering to ladle upper opening of the oxygen that blows out.Thermometric sampling window is for thermometric and sampling, and view port is used for the situation of observing vacuum tank inside.
VOD stove of the present utility model, oxygen can evenly comprehensively be blown into the opening of ladle top, improves the quality of smelting molten steel, improve purity, and cost is low, makes simply, utilizes the adjustment of ventilating pit angle to realize, and can be widely used.
Claims (3)
1. a VOD stove, it is characterized in that: comprise ladle (1), vacuum tank (2) and vacuum container cover (3), described ladle (1) is positioned at described vacuum tank (2) inside, described vacuum container cover (3) covers on described vacuum tank (2), on described vacuum tank (2), be connected with oxygen system and pumped vacuum systems, described oxygen system comprises oxygen storehouse (5), described oxygen storehouse (5) is connected on described vacuum tank (2) by oxygen channel (6), the upper Link Port (4) being connected with oxygen channel (6) of described vacuum tank (2) is whole for circular, in the middle of described Link Port (4), being distributes is up and down provided with many row's ventilating pits (10), the described ventilating pit of many rows (10) all has certain angle with vacuum tank (2), and a described ventilating pit of row (10) and the angle of vacuum tank (2) are greater than the angle of a described ventilating pit of row (10) and vacuum tank (2) above below, and on described oxygen channel (6), be provided with gas flow regulating valve (7), described pumped vacuum systems comprises vacuum pump (8), described vacuum pump (8) is connected on described vacuum tank (2) by pipeline (9).
2. VOD stove as claimed in claim 1, it is characterized in that: described ventilating pit (10) is 5 rows, ventilating pit described in first row (10) is 5 ° with the angle of vacuum tank (2), ventilating pit described in second row (10) is 10 ° with the angle of vacuum tank (2), the 3rd described ventilating pit of row (10) is 15 ° with the angle of vacuum tank (2), the 4th described ventilating pit of row (10) is 20 ° with the angle of vacuum tank (2), and the 5th described ventilating pit of row (10) is 25 ° with the angle of vacuum tank (2).
3. VOD stove as claimed in claim 1 or 2, is characterized in that: on described vacuum tank (2), be also provided with thermometric sampling window (11) and view port (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320377154.3U CN203429201U (en) | 2013-06-28 | 2013-06-28 | VOD (vacuum oxygen decarburization) furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320377154.3U CN203429201U (en) | 2013-06-28 | 2013-06-28 | VOD (vacuum oxygen decarburization) furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203429201U true CN203429201U (en) | 2014-02-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320377154.3U Expired - Fee Related CN203429201U (en) | 2013-06-28 | 2013-06-28 | VOD (vacuum oxygen decarburization) furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203429201U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107906953A (en) * | 2017-11-16 | 2018-04-13 | 石昌盛 | One kind inflation vacuum smelting furnace |
| CN107941003A (en) * | 2017-11-16 | 2018-04-20 | 石昌梅 | A kind of vacuum smelting furnace of raising efficiency |
| CN107990711A (en) * | 2017-11-16 | 2018-05-04 | 石昌梅 | A kind of oxygenation vacuum smelting furnace |
-
2013
- 2013-06-28 CN CN201320377154.3U patent/CN203429201U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107906953A (en) * | 2017-11-16 | 2018-04-13 | 石昌盛 | One kind inflation vacuum smelting furnace |
| CN107941003A (en) * | 2017-11-16 | 2018-04-20 | 石昌梅 | A kind of vacuum smelting furnace of raising efficiency |
| CN107990711A (en) * | 2017-11-16 | 2018-05-04 | 石昌梅 | A kind of oxygenation vacuum smelting furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 225722 1 Dongxing South Road, Zhang Guo Town, Xinghua City, Taizhou, Jiangsu Patentee after: JIANGSU SHENYUAN GROUP Co.,Ltd. Address before: 225700 Dongxingnan Road, Zhangguo Town, Xinghua City, Taizhou City, Jiangsu Province Patentee before: Jiangsu SHENYUAN Special Steel Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140212 |
|
| CU01 | Correction of utility model | ||
| CU01 | Correction of utility model |
Correction item: Termination upon expiration of patent Correct: Revocation of Patent Expiration and Termination False: On July 14, 2023, the expiration and termination of 39 volumes and 2802 issues of the patent Number: 28-02 Volume: 39 |
|
| 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: 20140212 |