CN2203305Y - Fast Slagging-off device - Google Patents
Fast Slagging-off device Download PDFInfo
- Publication number
- CN2203305Y CN2203305Y CN93222234U CN93222234U CN2203305Y CN 2203305 Y CN2203305 Y CN 2203305Y CN 93222234 U CN93222234 U CN 93222234U CN 93222234 U CN93222234 U CN 93222234U CN 2203305 Y CN2203305 Y CN 2203305Y
- Authority
- CN
- China
- Prior art keywords
- iron ladle
- drag head
- slagging
- pig iron
- skimming
- 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
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Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
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- Treatment Of Steel In Its Molten State (AREA)
Abstract
The utility model discloses a fast slagging-off device, comprising a pig iron ladle and a slagging-off device matching with the pig iron ladle. The matching use of the pig iron ladle and the slagging-off device can quickly and effectively remove desulphurizing slag. The pig iron ladle is composed of a rectangular groove positioned at the upper part and a circular barrel positioned at the lower part. The slagging-off device is better to have an arc-shaped drag head, and the length of the drag head is a little smaller than the width of the rectangular groove of the pig iron ladle. Because the length of the drag head keeps a smaller gap all along with the wall of the pig iron ladle, the arc-shaped drag head has definite functions of slag gathering and storing, the backflow of the slag is reduced or avoided, and the slagging-off efficiency is increased. The slagging-off of the desulphurizing slag of the pig iron ladle needs only 3-8 times, about 2 minutes, the time is 1/4 of the original slagging-off time, and the temperature drop of the liquid iron in the pig iron ladle is greatly reduced.
Description
The utility model belongs to steel smelting equipment, the device that relates in particular to iron ladle and skim from iron ladle.
The used iron ladle of existing each Steel Plant all is cylindrical can mouths, when stretching into a jar interior slag blanket and outwards skim with the tee T drag head, because desulfurization slag good fluidity, bits often from drag head two side refluxs in jar, cause the efficient of skimming not high, slag-removing time reaches 6～8 minutes, so, hot metal temperature drop is big, and the molten iron loss also increases.
The purpose of this utility model is a kind of upward different iron ladle of lower section of design, and is equipped with the rake that can hold certain quantity of slag, and the length of drag head is slightly littler than the top cross-sectional width of iron ladle, and the supporting use of these two kinds of devices just can reach the purpose of skimming fast.
The utility model adopts following proposal to realize.The device of skimming fast is made up of the iron ladle and the device of skimming, and the described device of skimming comprises drag head and raking arm, and drag head length P is relevant with the width b of matching used iron ladle, b-p=60～150mm, drag head be shaped as curved surface shaped.As crescent moon, herring-bone or door font etc.
The bottom of described iron ladle is circular tubbiness, top is the rectangular slot shape, one end of groove is made skewed, its angle of inclination is: with the angle α of iron ladle medullary ray be the determining of degree of depth h value of 60～20 ° of rectangular slots, when iron ladle tilted to skim, the h value was than the also low 30～100mm of minimum slag line.
When skimming when device and the above-mentioned supporting use of iron ladle above-mentioned, owing to 1. remain less gap between drag head length and tank skin, 2. the drag head of curved month type (or other arcs) has certain poly-slag effect, reduces or avoided the backflow of slag, and the efficient of skimming is improved.The desulfurization slag that scratches clean an iron ladle only needs 3～8 times, about 2 minutes, is 1/4 of original slag-removing time.Reduce jar temperature drop of interior molten iron significantly.The drag head that adopts the utility model only need change iron ladle jar degree of lip-rounding shape and slag removal machine gets final product.
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 iron ladle front view
Fig. 2 iron ladle vertical view
Fig. 3 curved month type rake structure
Fig. 4 herring-bone rake structure
Fig. 5 door font rake structure
Rectangular groove 1 is made on the top of iron ladle, and the bottom still keeps round tank 2.That two of groove can make vertical or other shapes, an end of groove 1 is made in-line or arc, and is preferably consistent with the profile of drag head, so that when skimming, can to greatest extent slag be taken off totally.The other end of groove 1 (being commonly called as a jar mouth) is made the slope that becomes 60～20 ° of angles with the iron ladle medullary ray.The height h of groove 1 is by the tonnage decision of jar, and when general requirement tilted to skim at iron ladle, minimum slag line also hanged down 30～100mm when the h value tilted than iron ladle.The width b of groove 1 and length a determining dimensions: the rectangular groove that consider that rifle under the desulphurization spray gun (or agitator installation) is convenient and convert the reliable and iron ladle of converter decides with factors such as circular tank joining place refractory lining shaping in bottom are not difficult.
The device of skimming is made up of drag head 3 and raking arm 4.Drag head 3 is preferably crescent moon, herring-bone, door font, is referred to as arcually, and the arc rise r of drag head varies in size according to the tonnage of jar, gets r/p=0.05～0.7.
Claims (4)
1, a kind of device of skimming fast that belongs to field of steel-making, it is made up of the iron ladle and the device of skimming, the described device of skimming comprises drag head (3) and drag head bar (4), it is characterized in that drag head (3) length p is relevant with the width b of matching used iron ladle, b-p=60～150mm, drag head be shaped as curved surface shaped.
2, the device of skimming according to claim 1 is characterized in that the shape of drag head (3) can be crescent moon, herring-bone or door font.
3, the device of skimming according to claim 1, the bottom that it is characterized in that described iron ladle is circular tubbiness, top is the rectangular slot shape, an end of groove is made skewed, its angle of inclination is, with the angle α of iron ladle medullary ray be 60～20 °.
4, the device of skimming according to claim 3, it is characterized in that rectangular slot degree of depth h value determine that when iron ladle tilted to skim, h value was also hanged down 30～100mm than minimum slag line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93222234U CN2203305Y (en) | 1993-03-30 | 1993-08-25 | Fast Slagging-off device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93238424 | 1993-03-30 | ||
| CN93238424.2 | 1993-03-30 | ||
| CN93222234U CN2203305Y (en) | 1993-03-30 | 1993-08-25 | Fast Slagging-off device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2203305Y true CN2203305Y (en) | 1995-07-12 |
Family
ID=34065371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN93222234U Expired - Fee Related CN2203305Y (en) | 1993-03-30 | 1993-08-25 | Fast Slagging-off device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2203305Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101560584B (en) * | 2009-04-29 | 2011-03-23 | 郭利 | Special slag-sticking device for pretreating hot metal and slag-sticking technology thereof |
| CN102021275A (en) * | 2010-12-17 | 2011-04-20 | 莱芜钢铁股份有限公司 | Single-station desulphurization deslagging device and method thereof |
| CN106868256A (en) * | 2017-02-21 | 2017-06-20 | 江苏沙钢集团淮钢特钢股份有限公司 | HG Desulfuring Device of Hot Metal and its sulfur method and desulfurizing agent and slag-off machine |
| CN109807316A (en) * | 2019-01-24 | 2019-05-28 | 山东钢铁股份有限公司 | A kind of quick slag-off machine and its slag skimming method |
-
1993
- 1993-08-25 CN CN93222234U patent/CN2203305Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101560584B (en) * | 2009-04-29 | 2011-03-23 | 郭利 | Special slag-sticking device for pretreating hot metal and slag-sticking technology thereof |
| CN102021275A (en) * | 2010-12-17 | 2011-04-20 | 莱芜钢铁股份有限公司 | Single-station desulphurization deslagging device and method thereof |
| CN106868256A (en) * | 2017-02-21 | 2017-06-20 | 江苏沙钢集团淮钢特钢股份有限公司 | HG Desulfuring Device of Hot Metal and its sulfur method and desulfurizing agent and slag-off machine |
| CN109807316A (en) * | 2019-01-24 | 2019-05-28 | 山东钢铁股份有限公司 | A kind of quick slag-off machine and its slag skimming method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |