CN201124232Y - Device for separating oxide scale and protective slag residue in continuous casting - Google Patents
Device for separating oxide scale and protective slag residue in continuous casting Download PDFInfo
- Publication number
- CN201124232Y CN201124232Y CNU2007200882553U CN200720088255U CN201124232Y CN 201124232 Y CN201124232 Y CN 201124232Y CN U2007200882553 U CNU2007200882553 U CN U2007200882553U CN 200720088255 U CN200720088255 U CN 200720088255U CN 201124232 Y CN201124232 Y CN 201124232Y
- Authority
- CN
- China
- Prior art keywords
- flushing cinder
- detritus tank
- elementary
- continuous casting
- chamber
- 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 - Lifetime
Links
Images
Abstract
Equipment for separating iron scale and residual mould powder during continuous casting comprises a sluiceway in a molten steel continuous casting system, wherein the sluiceway consists of an arc-shaped segment with a V-shaped cross section and a linear segment; a terminal grit chamber arranged on the tail section of the linear segment of the sluiceway; a high-position granulation water pipe arranged on the top of the arc-shaped segment of the sluiceway; a primary grit chamber arranged on the arc-shaped segment of the sluiceway below a molten steel crystallizer; a vertical separator arranged in the primary grit chamber for dividing the primary grit chamber into a left and a right chambers communicated with each other at the bottom; a granulation water inlet formed on the upper section of the left chamber of the primary grit chamber; a granulation water overflow hole formed on the upper section of the right chamber of the primary grit chamber; a filter mesh arranged below the granulation water overflow hole on the right chamber of the primary grit chamber; and a baffle arranged on the granulation water overflow hole on the right chamber of the primary grit chamber. The equipment can effectively separate iron scales from residual mould powder in iron scale in continuous casting production of molten steel.
Description
Technical field
The utility model relates to the equipment of in the continuous casting of molten steel production impurity that pours slag runner being handled, and refers to a kind of continuous casting iron scale and covering slag residue separation equipment particularly.
Background technology
Molten steel is in passing through the process of conticaster moulding, and oxidation can take place billet surface, produces a large amount of iron scales.Simultaneously, also have the crystallizer protecting residue residue (the about 0.5kg/t steel of slab covering slag consumption) of a great deal of to sneak in the iron scale, this mixture is referred to as the iron sheet slag.At present, the iron sheet slag all enters the terminal detritus tank through sluice.Through sample analysis, the covering slag residue accounts for 20～40% in the iron sheet slag, and TFe content accounts for 40～60%.Because the covering slag residue contains low melting point such as Na
2O, K
2O, CaF
2, B
2O
3Deng, the iron sheet slag that contains the covering slag residue perhaps is directly used in the production pellet by the sintering aid of some producer as sintering deposit.But the iron sheet slag is unprocessed directly as iron-smelting raw material, its composition such as Na
2O, K
2O etc. will cause blast furnace fire door dross, and will be extremely harmful to operation of blast furnace.International standard requires Na in the pellet
2O, K
2O content sum is lower than 0.35%, and directly with Na in the pellet of iron sheet slag production
2O+K
2The content of O may restrict the comprehensive utilization of iron sheet slag thus up to 4%.So existing iron sheet slag is used as the waste material cheapness basically and has handled, and causes great waste.
For above-mentioned iron sheet slag is fully utilized, scientific and technical personnel attempt covering slag residue and iron scale in the iron sheet slag are separated.Can make like this as waste material and after separating, reach 500～800 yuan/ton value with the iron sheet slag of 200 yuan of/ton processing.But in the present continuous casting of molten steel system, the iron sheet slag is directly poured in the detritus tank, needs the special equipment of the many covers of configuration to separate and covering slag residue and iron scale could be separated through magnetic separation repeatedly, and its complex procedures, efficient is low, cost is high.There is not at present a kind of equipment that in the flushing cinder process, can separate the iron sheet slag directly, effectively yet.
Summary of the invention
The purpose of this utility model will overcome the deficiencies in the prior art exactly, provide a kind of simple in structure, separation process is easy, good separating effect and continuous casting iron scale and covering slag residue separation equipment with low cost.
For realizing this purpose; continuous casting iron scale that the utility model is designed and covering slag residue separation equipment; comprise the sluice in the continuous casting of molten steel system; described sluice is combined by cross section V-shaped camber line flushing cinder section and straight line flushing cinder section; the straight line flushing cinder segment trailer of described sluice is provided with the terminal detritus tank; the camber line flushing cinder section top of described sluice is provided with high-order flushing cinder water pipe; the camber line flushing cinder section of described sluice is provided with the elementary detritus tank that is positioned at molten steel crystallizer below; be provided with vertical partition plate in the described elementary detritus tank; described vertical partition plate with elementary detritus tank be separated into the bottom mutually together with a left side; right chamber; flushing cinder water inlet port is formed at the top of described elementary detritus tank left chamber; flushing cinder water overfall is formed at the top of the right chamber of described elementary detritus tank; the flushing cinder water overfall below of the right chamber of described elementary detritus tank is provided with screen pack, and the flushing cinder water overfall top of the right chamber of described elementary detritus tank is provided with shutter.
Further, the right side of described elementary detritus tank also is close to and is provided with the secondary detritus tank, be provided with in the described secondary detritus tank with elementary detritus tank in structure and all identical vertical partition plate, screen pack and the shutter of effect.
In the process that continuous casting of molten steel is produced, the covering slag residue can be cooled water at once towards coming off from billet surface after going out crystallizer.Advantage of the present utility model just is: after setting up new detritus tank on the existing sluice; the most covering slag residues that come off from steel billet can directly drop into new detritus tank and be stopped by wherein screen pack and accumulate in the detritus tank, and flushing cinder water then can overflow and continue to finish flushing cinder work.Like this, just can not mix with the iron scale of later stage generation at the isolated covering slag residue of flushing cinder process early stage institute, what enter the terminal detritus tank mainly is iron scale, thereby reaches the purpose that the covering slag residue in the iron sheet slag is separated with iron scale.And the utility model is simple in structure, with low cost, finishes simple and convenient, good separating effect automatically in the flushing cinder technology that is separated in continuous casting production of covering slag residue and iron scale.
Description of drawings
Fig. 1 is the structural representation of a kind of continuous casting iron scale and covering slag residue separation equipment;
Fig. 2 is the A-A sectional structure schematic diagram among Fig. 1;
Fig. 3 is the B-B sectional structure schematic diagram among Fig. 1.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
Continuous casting iron scale shown in the figure and covering slag residue separation equipment comprise the sluice 1 in the continuous casting of molten steel system, and sluice 1 is combined by cross section V-shaped camber line flushing cinder section and straight line flushing cinder section.The straight line flushing cinder segment trailer of sluice 1 is provided with terminal detritus tank 4.
The camber line flushing cinder section of sluice 1 is provided with the elementary detritus tank 5 that is positioned at molten steel crystallizer 12 belows, be provided with vertical partition plate 8 in the elementary detritus tank 5, vertical partition plate 8 with elementary detritus tank 5 be separated into the bottom mutually together with left and right chamber, flushing cinder water inlet port is formed at the top of elementary detritus tank 5 left chamber, and flushing cinder water overfall is formed at the top of elementary detritus tank 5 right chambers.The flushing cinder water inlet port orientation of elementary detritus tank 5 left chamber should guarantee that the covering slag residue of the overwhelming majority falls in it.
The flushing cinder water overfall below of elementary detritus tank 5 right chambers is provided with screen pack 10, and the covering slag residue that falls in the elementary detritus tank 5 with prevention overflows with flushing cinder water.The flushing cinder water overfall top of elementary detritus tank 5 right chambers is provided with shutter 9, falls into elementary detritus tank 5 with the iron scale that prevents the follow-up generation of steel billet.
During steel billet 13 tapping water crystallization devices 12, always some covering slag residue can remain in steel billet 13 upper surfaces, can not poured elementary detritus tank 5, but just can be swept away in the time after a while at once.In order to collect this part covering slag residue; further improve the grade of iron scale in the terminal detritus tank 4; also be close on the right side of elementary detritus tank 5 and be provided with secondary detritus tank 6, be provided with in the secondary detritus tank 6 with elementary detritus tank 5 in structure vertical partition plate 8, screen pack 10 and the shutter 9 all identical with effect.The orientation of secondary detritus tank 6 is roughly at the camber line flushing cinder section and the straight line flushing cinder section intersection of sluice 1.Like this, the covering slag residue that does not fall in the elementary detritus tank 5 can be brought in the secondary detritus tank 6 by flushing cinder water, and under in secondary detritus tank 6, depositing.
Camber line flushing cinder section top at sluice 1 is provided with high-order flushing cinder water pipe 3; high-order flushing cinder water pipe 3 is a low pressure flushing cinder water pipe; only need to pour from the covering slag residue that steel billet 13 comes off elementary detritus tank 5 interior getting final product, and the covering slag residues that lower hydraulic pressure also can be avoided falling in the elementary detritus tank 5 are dashed once more.After steel billet 13 was run to the straight line flushing cinder section of sluice 1 by aligning, its surperficial covering slag residue came off substantially, and the whole of generation are iron scale thereafter.Because the density of iron scale is bigger, rely on the high-order flushing cinder water pipe 3 of low pressure possibly it all can't be poured subsequent segment, therefore, straight line flushing cinder section at sluice 1 also is provided with low level flushing cinder water pipe 7, low level flushing cinder water pipe 7 is a high pressure flushing cinder water pipe, be arranged in the right side of secondary detritus tank 6, higher hydraulic pressure can pour the iron scale that comes off from steel billet 13 in the terminal detritus tank 4 effectively.
The course of work of the present utility model is as follows: enter the molten steel crystallizer 12 through tundish 11 from the molten steel of conticaster 2 outputs, formation steel billet 13 backs are pushed by pressure roller 14 and are carried.The water slug that is cooled of the covering slag residue major part on steel billet 13 surfaces comes off, and falls into elementary detritus tank 5, and the covering slag residue of bulk directly deposits to elementary detritus tank 5 bottoms, and the covering slag residue of fritter is filtered and also deposits after net 10 blocks.Adhere to the covering slag residue that remains in steel billet 13 upper surfaces on a small quantity and then drop in thereafter the secondary detritus tank 6, and the effect deposit of screen pack 10 is got off within it.The effect of shutter 9 is to prevent that the iron scale that steel billet produces from falling into elementary detritus tank 5 and secondary detritus tank 6.Flushing cinder water and cooling water then flow out by screen pack 10; the water under high pressure of going out with low level flushing cinder water pipe 7; continue to impact the iron scale that comes off from steel billet 13 surfaces thereafter, it pours deposition in the terminal detritus tank 4 the most at last, thereby covering slag residue and iron scale are separated.
Through sample analysis, the iron sheet slag that is deposited in the elementary detritus tank 5 is essentially the covering slag residue, and its composition mass percent is: SiO
2Account for 29.9%, Al
2O
3Account for 6.97%, CaO accounts for 27.47%, and MgO accounts for 4.25%, and TFe accounts for 3.83%, and F accounts for 5.14%, Na
2O accounts for 9.5%, K
2O accounts for 0.17%.Its iron-holder only is 3.83%.And deposited in the ultimate detritus tank 4 be essentially iron scale, impurity content is extremely low.
The sediments that take out in the elementary detritus tank 5, it is few and the covering slag residue is many to contain iron scale, behind the magnetic separation de-iron, just can be used as high-quality covering slag raw material slightly, and is the fritting raw material.The sediments that take out in the terminal detritus tank 4 are iron scale substantially, and its purity is higher, can make the iron-making and steel-making raw material and can not damage body of heater, can also produce iron powder or magnetic material.The sediment of collecting from secondary detritus tank 6 needs could effectively use after the further magnetic separation separation.
Claims (4)
1. continuous casting iron scale and covering slag residue separation equipment; comprise the sluice (1) in the continuous casting of molten steel system; described sluice (1) is combined by cross section V-shaped camber line flushing cinder section and straight line flushing cinder section; the straight line flushing cinder segment trailer of described sluice (1) is provided with terminal detritus tank (4); it is characterized in that: the camber line flushing cinder section top of described sluice (1) is provided with high-order flushing cinder water pipe (3); the camber line flushing cinder section of described sluice (1) is provided with the elementary detritus tank (5) that is positioned at molten steel crystallizer (12) below; be provided with vertical partition plate (8) in the described elementary detritus tank (5); described vertical partition plate (8) with elementary detritus tank (5) be separated into the bottom mutually together with a left side; right chamber; flushing cinder water inlet port is formed at the top of described elementary detritus tank (5) left chamber; flushing cinder water overfall is formed at the top of the right chamber of described elementary detritus tank (5); the flushing cinder water overfall below of the right chamber of described elementary detritus tank (5) is provided with screen pack (10), and the flushing cinder water overfall top of the right chamber of described elementary detritus tank (5) is provided with shutter (9).
2. continuous casting iron scale according to claim 1 and covering slag residue separation equipment; it is characterized in that: the right side of described elementary detritus tank (5) also is close to and is provided with secondary detritus tank (6), is provided with in the described secondary detritus tank (6) and the middle structure of elementary detritus tank (5) vertical partition plate (8), screen pack (10) and the shutter (9) all identical with effect.
3. continuous casting iron scale according to claim 1 and 2 and covering slag residue separation equipment is characterized in that: the straight line flushing cinder section of described sluice (1) also is provided with low level flushing cinder water pipe (7).
4. continuous casting iron scale according to claim 3 and covering slag residue separation equipment is characterized in that: described high-order flushing cinder water pipe (3) is a low pressure flushing cinder water pipe, and described low level flushing cinder water pipe (7) is a high pressure flushing cinder water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200882553U CN201124232Y (en) | 2007-11-19 | 2007-11-19 | Device for separating oxide scale and protective slag residue in continuous casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200882553U CN201124232Y (en) | 2007-11-19 | 2007-11-19 | Device for separating oxide scale and protective slag residue in continuous casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201124232Y true CN201124232Y (en) | 2008-10-01 |
Family
ID=39997647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200882553U Expired - Lifetime CN201124232Y (en) | 2007-11-19 | 2007-11-19 | Device for separating oxide scale and protective slag residue in continuous casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201124232Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231049A (en) * | 2013-05-13 | 2013-08-07 | 德阳宏广科技有限公司 | Automatic slag removing device of pouring boiler |
| CN103447489A (en) * | 2013-09-12 | 2013-12-18 | 武汉钢铁(集团)公司 | Method for preparing high-iron-content continuous casting mold flux for laboratory |
| CN103567400A (en) * | 2013-10-30 | 2014-02-12 | 芜湖新兴铸管有限责任公司 | Continuous-casting slag-washing structure |
| CN108947001A (en) * | 2018-06-27 | 2018-12-07 | 张家港浦项不锈钢有限公司 | A kind of low chlorine ion stainless steel continuous casting secondary cooling water system |
| CN110744025A (en) * | 2019-10-16 | 2020-02-04 | 中冶南方连铸技术工程有限责任公司 | Method for preventing slag accumulation of continuous casting secondary cooling chamber |
-
2007
- 2007-11-19 CN CNU2007200882553U patent/CN201124232Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231049A (en) * | 2013-05-13 | 2013-08-07 | 德阳宏广科技有限公司 | Automatic slag removing device of pouring boiler |
| CN103447489A (en) * | 2013-09-12 | 2013-12-18 | 武汉钢铁(集团)公司 | Method for preparing high-iron-content continuous casting mold flux for laboratory |
| CN103567400A (en) * | 2013-10-30 | 2014-02-12 | 芜湖新兴铸管有限责任公司 | Continuous-casting slag-washing structure |
| CN108947001A (en) * | 2018-06-27 | 2018-12-07 | 张家港浦项不锈钢有限公司 | A kind of low chlorine ion stainless steel continuous casting secondary cooling water system |
| CN110744025A (en) * | 2019-10-16 | 2020-02-04 | 中冶南方连铸技术工程有限责任公司 | Method for preventing slag accumulation of continuous casting secondary cooling chamber |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201124232Y (en) | Device for separating oxide scale and protective slag residue in continuous casting | |
| CN102603324B (en) | Main channel material produced by adopting waste blast furnace main channel materials and machining process thereof | |
| CN102055045A (en) | Energy-saving, environmental-protection and loss-reduction method for recovering and processing waste lead-acid storage battery | |
| CN105296694A (en) | Technological method for reducing block masses containing carbon, iron, zinc, etc. into molten iron, zinc, etc. in blast furnace molten iron trough | |
| CN201545895U (en) | Magnesium alloy recycled material remelting and refining device | |
| CN102212705A (en) | Combined furnace system for fire refining of red copper scrap | |
| CN101054607A (en) | Processing technique for steel smelting casting residue | |
| CN202963405U (en) | Liquid aluminum casting filter device | |
| CN103170609A (en) | Ferroalloy casting modeling device and ferroalloy casting modeling process in front of furnace | |
| CN102912156A (en) | System and method for recycling magnesium and magnesium alloy waste | |
| CN107904407A (en) | One kind bismuth technique | |
| CN108620571B (en) | Multi-cavity slag stopping mechanism for molten metal and method for recovering fluorine salt in aluminum electrolytic cell | |
| CN101476047A (en) | Method for preparing metal aluminum from aluminum-containing raw material | |
| CN101486086B (en) | Flat die casting method for silver bullion | |
| CN214881625U (en) | Novel double-groove skimmer | |
| CN105268541A (en) | Method for recycling metals from furnace lining waste bricks | |
| CN115710634A (en) | Method for treating sintering dust removal ash and waste coating of continuous casting tundish | |
| CN102133618B (en) | Aluminum alloy casting filter unit | |
| CN104928589A (en) | High-manganese-steel lining plate for ball mill and manufacturing method thereof | |
| CN211516060U (en) | Small-space long-flow pouring device for vacuum induction furnace | |
| CN107350427A (en) | A kind of super thick strip running gate system of injection machine and its pouring technology | |
| CN109280739B (en) | Method for improving molten steel yield of electric furnace | |
| CN103736984A (en) | Hot-metal bottle slag stopper with hot metal flowing port and manufacturing method thereof | |
| CN203695934U (en) | Molten iron jar slag stopper with molten iron flowing opening | |
| CN114058762A (en) | Method for smelting vanadium-containing steel slag by treating zinc-containing fly ash in blast furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081001 |