CN103215398A - Blast furnace overhauling residual iron placing device and method - Google Patents
Blast furnace overhauling residual iron placing device and method Download PDFInfo
- Publication number
- CN103215398A CN103215398A CN2013101795853A CN201310179585A CN103215398A CN 103215398 A CN103215398 A CN 103215398A CN 2013101795853 A CN2013101795853 A CN 2013101795853A CN 201310179585 A CN201310179585 A CN 201310179585A CN 103215398 A CN103215398 A CN 103215398A
- Authority
- CN
- China
- Prior art keywords
- residual iron
- iron
- blast furnace
- residual
- ladle
- 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.)
- Granted
Links
Images
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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention provides a blast furnace overhauling residual iron placing device and method. The blast furnace overhauling residual iron placing device comprises a residual iron groove, a residual iron platform, multiple hot metal ladles and multiple hot metal ladle diversion trenches, wherein the upper end of the residual iron groove corresponds to a residual iron port of a blast furnace so as to guide the residual iron in the blast furnace to flow out of the blast furnace; the residual iron groove is formed in the residual iron platform; the hot metal ladles are linearly arranged and used for collecting residual iron; the hot metal ladle diversion trenches are respectively connected between adjacent hot metal ladles to connect the hot metal ladles together; and at least one hot metal ladle diversion trench is connected with the lower end of the residual iron groove, so that the residual iron in the blast furnace sequentially passes through the residual iron groove and the hot metal ladle diversion trenches and flows into the hot metal ladles. The device provided by the invention has the advantages of simple structure, convenience in manufacturing and mounting, easiness in operation, safety and reliability and the like, can guarantee timely discharge of residual iron, prevents molten iron from burning out the hot metal ladles and a hot metal ladle car in the residual iron discharge process, and saves the overhauling time.
Description
Technical field
The present invention relates to field of metallurgy, the particularly a kind of blast furnace overhaul that can emit remaining molten iron in the stove easy, safely be put residual iron device and method.
Background technology
In the Iron and Steel Production field, when the iron-smelting blast furnace blowing out carried out large repairs, after blast furnace had gone out last stove iron damping down, high furnace interior still had a large amount of remaining molten iron, must open residual iron mouth on shell of blast furnace, and remaining molten iron is discharged in stove.In case residual iron mouth is opened, molten iron will continually flow out, and must molten iron be sent in the previously prepd iron ladle by putting residual iron device.
Blast furnace normally taps a blast furnace and flows in a plurality of iron ladles by a plurality of casting runners.Put residual iron process and be different from blast furnace and normally tap a blast furnace, must make separately, install and put residual iron device.Because residual Tie Kou position is lower than Tie Kou position, be subjected to the blast furnace space constraint, design, make, install that to put residual iron device all very difficult.Therefore, putting residual iron device must be practical, effective, otherwise can influence the normal discharge of molten iron, controls bad meeting with iron ladle and tank car scaling loss, prolongs the blast furnace overhaul time.
In the prior art, emit technology, proposed multiple scheme for improving residual iron.For example, the patent No. is that CN201120378462.9, name are called the Chinese patent proposition of " the residual iron runner of a kind of blast furnace ": residual iron runner adopts the concrete depositing groove, is provided with the unhurried current lock at residual iron runner turning.But, do not mention further that wherein residual flowing molten iron goes out residual iron runner groove after, the treatment unit of molten iron.Application number is that CN201110370546.2, name are called the Chinese invention patent application proposition of " method that a kind of blowing out that is used for medium-and-large-sized blast furnace goes out residual iron ": in the position of determining two residual iron mouths near a side of railway line.But this method need be opened twice residual iron mouth and carry out the discharging of residual iron, and time-consuming, effort is dangerous.
Summary of the invention
The object of the present invention is to provide a kind of blast furnace overhaul to put residual iron device and method, to eliminate putting making complexity, operational difficulty that residual iron device exists, putting the uneasy congruent defective of residual iron of prior art.
In order to address the above problem, the invention provides a kind of blast furnace overhaul and put residual iron device, its technical scheme is as follows:
A kind of blast furnace overhaul is put residual iron device, comprising: residual iron runner groove, and the upper end of described residual iron runner groove is corresponding with the residual iron mouth of blast furnace, flows out from blast furnace with the residual iron in the guiding blast furnace; Residual iron platform, described residual iron runner groove are located on the described residual iron platform; A plurality of iron ladles, linearly type is arranged, and is used to collect residual iron; A plurality of iron ladle diversion trenchs, be connected between the adjacent described iron ladle so that described iron ladle is linked into an integrated entity, and at least one described iron ladle diversion trench is connected with the lower end of described residual iron runner groove, make the interior residual iron of blast furnace successively by described residual iron runner groove, iron ladle diversion trench, flow in the described iron ladle.
Put a kind of preferred implementation of residual iron device according to above-mentioned blast furnace overhaul, wherein, described residual iron runner groove comprises leading portion, stage casing and the back segment that sets gradually, described leading portion is corresponding with the described residual iron mouth of blast furnace, described back segment is corresponding with described iron ladle diversion trench, described stage casing is for connecting the segmental arc of described leading portion and described back segment, elder generation is installed on described residual iron platform with the stage casing and the back segment of described residual iron runner groove before the blast furnace overhaul blowing out, and the leading portion of described residual iron runner groove is installed after the connecting leg cross-over connection of stove skin place is finished after the blast furnace overhaul blowing out.
Put a kind of preferred implementation of residual iron device according to above-mentioned blast furnace overhaul, wherein, the medullary ray of the residual iron eye of the medullary ray of the leading portion of described residual iron runner groove and described blast furnace is on same vertical line, and the vertical range between the center of residual iron runner groove inside upper surface center and described residual iron eye is 600-800mm.
According to a kind of preferred implementation that above-mentioned blast furnace overhaul is put residual iron device, wherein, the medullary ray of the back segment of described residual iron runner groove is parallel with the medullary ray of the railway line of transporting described iron ladle, and projection overlaps.
According to a kind of preferred implementation that above-mentioned blast furnace overhaul is put residual iron device, wherein, the cross section of described residual iron runner groove is the U type, and described residual iron runner groove comprises steel plate layer, fire brick layer and stemming layer from outside to inside successively.
According to a kind of preferred implementation that above-mentioned blast furnace overhaul is put residual iron device, wherein, the internal depth of described residual iron runner groove is 900--1000mm, and width is 900--1000mm; And/or the thickness of the described fire brick layer of described residual iron runner trench bottom is 140--160mm, and the thickness of the described fire brick layer of described residual iron runner groove sidewall is 70--80mm; And/or the thickness of the stemming layer of described residual iron runner groove is 90-110mm; And/or the thickness of the steel plate layer of described residual iron runner groove is 10--14mm.
According to a kind of preferred implementation that above-mentioned blast furnace overhaul is put residual iron device, wherein, the back segment of described residual iron runner groove and the angle between the horizontal plane are 3 °--4 °.
According to a kind of preferred implementation that above-mentioned blast furnace overhaul is put residual iron device, wherein, the central point of described each end of iron ladle diversion trench and the central point vertical range of described iron ladle are 200-300mm.
According to a kind of preferred implementation that above-mentioned blast furnace overhaul is put residual iron device, wherein, the cross section of described iron ladle diversion trench is the U type, and described iron ladle diversion trench comprises steel plate layer, fire brick layer and stemming layer from outside to inside successively.
According to a kind of preferred implementation that above-mentioned blast furnace overhaul is put residual iron device, wherein, the internal depth of described iron ladle diversion trench is 500--600mm, and width is 800--900mm; And/or the thickness of the described fire brick layer of described iron ladle diversion trench bottom is 70--80mm, and the thickness of the described fire brick layer of described iron ladle diversion trench sidewall is 70--80mm; And/or the thickness of the stemming layer of described iron ladle diversion trench is 30-50mm; And/or the thickness of the steel plate layer of described iron ladle diversion trench is 10--14mm.
In order to address the above problem, the invention provides a kind of blast furnace overhaul and put residual iron method, its technical scheme is as follows:
A kind of blast furnace overhaul is put residual iron method, and it is applied to above-mentioned arbitrary described blast furnace overhaul and puts residual iron device, and the medullary ray of the residual iron mouth of the medullary ray of the upper end of described residual iron runner groove and blast furnace is on same vertical line; And the vertical range of the residual iron mouth of the upper end of described residual iron runner groove and blast furnace is 600-800mm.
Put a kind of preferred implementation of residual iron method according to above-mentioned blast furnace overhaul, wherein, the medullary ray of the lower end of described residual iron runner groove is parallel with the medullary ray of described iron ladle, and projection overlaps.
As from the foregoing, of the present inventionly put that residual iron device comprises residual iron runner groove, supports residual iron platform, the iron ladle of residual iron runner groove, the iron ladle diversion trench of connection iron ladle.By diversion trench iron ladle is linked into an integrated entity, residual iron runner concentrated flow is crossed in iron ladle diversion trench, inflow iron ladle by residual Tie Tong in the blast furnace.Thereby, when emitting residual iron, can prevent the outside of residual flowing molten iron to iron ladle.Whereby, the present invention can overcome making complexity, the operational difficulty of the residual iron device of putting of prior art, puts the unsafe defective of residual iron.Have simple in structure, easily manufactured, easy for installation, easy handling, advantage such as safe and reliable, can guarantee in time emitting of residual iron, avoid putting that molten iron burns out iron ladle and hot-metal ladle and carriage in the residual iron process.And, by segmentation residual iron runner groove is installed, can finish this blast furnace overhaul in the short as far as possible time after the blast furnace overhaul blowing out and put residual iron Unit Installation, shortened blast furnace overhaul and emitted the time of residual iron, so can save the overhaul time.In addition, the present invention can use in any blast furnace overhaul, has applied range, application value advantages of higher.
Description of drawings
Fig. 1 is put the structural representation of residual iron device embodiment for blast furnace overhaul of the present invention;
Among Fig. 1, blast furnace 6, residual iron runner groove 1, residual iron platform 2 are main TV structure, and iron ladle 4, iron ladle diversion trench 3 and hot-metal ladle and carriage 5 are plan structure, to simplify accompanying drawing.
Fig. 2 is the cross section structure synoptic diagram of residual iron runner groove embodiment illustrated in fig. 1;
Fig. 3 is the cross section structure synoptic diagram of iron ladle diversion trench embodiment illustrated in fig. 1.
Embodiment
Further the present invention is elaborated below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, the blast furnace overhaul of the present invention embodiment of putting residual iron device comprises: residual iron runner groove 1, residual iron platform 2, a plurality of iron ladle diversion trench 3, a plurality of iron ladle 4.The upper end of residual iron runner groove 1 is corresponding with the residual iron mouth 61 of blast furnace 6, and when blast furnace overhaul, the residual iron in the guiding blast furnace 6 flows out from blast furnace 6.Residual iron runner groove 1 is located on the residual iron platform 2, and preferably, residual iron platform 2 can be walked on stage and lower support is formed by top, and by the making of shaped steel and steel plate.Can determine the size and the height of residual iron platform 2 according to the space structure of different blast furnace 6.A plurality of iron ladles 4 linearly type arrangement are fixed on the hot-metal ladle and carriage 5, are used to collect aqueous residual iron.A plurality of iron ladle diversion trenchs 3 are connected between the adjacent iron ladle 4 so that iron ladle 4 is linked into an integrated entity, one of them iron ladle diversion trench 3 is connected with the lower end of residual iron runner groove 1, make the residual iron in the blast furnace 6 pass through residual iron runner groove 1, iron ladle diversion trench 3 successively, flow in the iron ladle 4.
In an embodiment, residual iron runner groove 1 sectional making, installation.As shown in Figure 1, residual iron runner groove 1 comprises epimere 11, stage casing 12, back segment 13.Because prior art is when concrete the application, owing to limited by blast furnace 6 spatial, and the cooling stave connecting leg can not be removed during the firm damping down blowing out of blast furnace 6, so residual iron runner groove 1 can not be installed in advance.But the present invention is by the residual iron runner groove 1 of sectional making, and before the overhaul blowing out, stage casing 12 and the back segment 13 with residual iron runner groove 1 is installed on residual iron platform 2 earlier, after blast furnace 6 overhaul blowing outs, after the connecting leg cross-over connection of stove skin place is finished, the leading portion 11 of residual iron runner groove 1 is installed again.Thus, just can begin that before the blast furnace overhaul blowing out blast furnace overhaul of the present invention is installed and put residual iron device, thereby can save the overhaul time.
When using embodiment shown in Figure 1, preferably, the medullary ray of medullary ray of the leading portion 11 of residual iron runner groove 1 (dotted line at leading portion 11 places among Fig. 1) and residual iron mouth 61 makes molten iron can flow to the center of residual iron runner groove 1 on same vertical line.The vertical range at center, residual iron runner groove 1 upper surface (leading portion 11 and residual iron mouth 61 corresponding end face) and residual iron mouth 61 centers is 600-800mm, can guarantee the safe distance of molten iron and residual iron runner groove 1 like this.The medullary ray of the back segment 13 of residual iron runner groove 1 and railway line (iron ladle 4, also can be described as the railway line of the hot-metal car that transports the mounting iron ladle) medullary ray (dotted line that runs through a plurality of iron ladles 4 among Fig. 1) parallel, and projection overlaps, and can make molten iron can flow to the center (guaranteeing that the iron spot that falls of the molten iron that comes out from back segment is positioned at the center of iron ladle) of iron ladle 4 like this.
As shown in Figure 2, residual iron runner groove 1 cross section embodiment illustrated in fig. 1 is the U type, and the height L2 of its internal space is 900--1000mm, and width L1 is 900--1000mm, certainly, in other embodiments, can determine size as the case may be.
Preferably, more as shown in Figure 2, the skin of residual iron runner groove 1 is a steel plate layer 14, is made by the steel plate of 10--14mm.Build fire brick layer 15 by laying bricks or stones in the inside of steel plate layer 14, the bottom thickness of fire brick layer 15 is 140--160mm, and sidewall thickness is 70--80mm, certainly, in other embodiments, can determine gauge as the case may be.In fire brick layer 15 inside, the ramming stemming forms stemming layer 16, and the thickness of stemming layer 16 is 90-110mm, and it also can determine gauge as the case may be.This residual iron runner groove 1 is easy to make, and after having put residual iron, can also reuse.
As shown in Figure 1, the leading portion 11 of residual iron runner groove 1 is vertical state, stage casing 12 is that a segmental arc is to connect leading portion 11 and back segment 13, back segment 13 is substantially and is horizontally disposed with, but in order to increase residual flowing molten iron speed, ensure safety simultaneously, the angle between the horizontal plane of back segment 13 and residual iron platform 2 is 3 °--4 ° also is that the lower surface of back segment 13 is slight sag.
Preferably, iron ladle diversion trench 3 embodiment illustrated in fig. 1 also comprises lower guide chute supporting beam (not shown).This supporting beam is determined supporting beam size and height by section steel manufacture according to the space structure of different iron ladle 4.
The quantity of iron ladle diversion trench 3 is determined according to the quantity of iron ladle 4, is connected in one by one between adjacent two iron ladles 4, lacks one than the quantity of iron ladle 4 on the sum.Iron ladle 4 and its diversion trench 3 cross arrangements become an all-in-one-piece residual iron storage of successive and delivery system.When an iron ladle 4 was filled molten iron soon, when moving next iron ladle 4, molten iron stream entered in another iron ladle 4 through the iron ladle diversion trench 3 between the two, guarantees that molten iron does not outflow.
Wherein, the length of iron ladle diversion trench 3 is determined according to the length of the central point of two adjacent iron ladles 4.The vertical range of the central point of iron ladle diversion trench 3 each end and the central point of iron ladle 4 is preferably 200-300mm, and concrete numerical value can determine to be advisable in the center that makes molten iron can flow to iron ladle 4 according to the size of iron ladle 4.Iron ladle diversion trench 3 guarantees at 300-400mm with the safe distance of residual iron platform 2.
As shown in Figure 3, the cross section of iron ladle diversion trench 3 is the U type, and its inner grooved spatial height L4 is 500--600mm, and width L3 is 800--900mm.Iron ladle diversion trench 3 plays ligation, and its height, width requirement needn't can be determined according to the situation of each blast furnace as residual iron runner groove 1 strictness.
As shown in Figure 3, preferably, the skin of iron ladle diversion trench 3 is a steel plate layer 31, is made by the steel plate of 10--14mm.Steel plate layer 31 inside are built refractory brick by laying bricks or stones, form fire brick layer 32, and its thickness in grooved spatial bottom is 70--80mm, and sidewall thickness is 70--80mm, can determine gauge as the case may be.At fire brick layer 32 inner ramming stemmings, form stemming layer 33, the stemming layer thickness is 30--50mm, can determine gauge as the case may be.This iron ladle diversion trench 3 is easy to make, and can also reuse after having put residual iron.
As from the foregoing, present embodiment mainly comprises the residual iron platform of residual iron runner groove, the residual iron runner groove of support, the iron ladle diversion trench of connection iron ladle.By the iron ladle diversion trench a plurality of iron ladles are linked into an integrated entity, residual iron runner concentrated flow is crossed through the iron ladle diversion trench by residual Tie Tong in the blast furnace, flows into successively in each iron ladle.Thus, when emitting residual iron, can prevent the outside of residual flowing molten iron, reach safe and reliable, prevent that residual iron from burning out iron ladle and hot-metal ladle and carriage purpose to iron ladle.
In sum, the present invention is simple in structure, easily manufactured, easy for installation, easy handling, safe and reliable, guaranteed in time emitting of residual iron, avoided putting that molten iron burns out iron ladle and hot-metal ladle and carriage in the residual iron process, simultaneously, put residual iron Unit Installation owing to can finish this blast furnace overhaul in the short as far as possible time after the blast furnace overhaul blowing out, shortened blast furnace overhaul and emitted the time of residual iron, so can save the overhaul time.
As known by the technical knowledge, the present invention can realize by other the embodiment that does not break away from its spirit or essential feature.Therefore, above-mentioned disclosed embodiment with regard to each side, all just illustrates, and is not only.All within the scope of the present invention or the change in being equal to scope of the present invention all be included in the invention.
Claims (12)
1. a blast furnace overhaul is put residual iron device, it is characterized in that, comprising:
Residual iron runner groove, the upper end of described residual iron runner groove is corresponding with the residual iron mouth of blast furnace, flows out from described blast furnace with the residual iron in the guiding blast furnace;
Residual iron platform, described residual iron runner groove are located on the described residual iron platform;
A plurality of iron ladles, linearly type is arranged, and is used to collect residual iron;
A plurality of iron ladle diversion trenchs, be connected between the adjacent described iron ladle so that described iron ladle is linked into an integrated entity, and at least one described iron ladle diversion trench is connected with the lower end of described residual iron runner groove, make the interior residual iron of blast furnace successively by described residual iron runner groove, iron ladle diversion trench, flow in the described iron ladle.
2. blast furnace overhaul as claimed in claim 1 is put residual iron device, it is characterized in that,
Described residual iron runner groove comprises leading portion, stage casing and the back segment that sets gradually,
Described leading portion is corresponding with the described residual iron mouth of blast furnace, and described back segment is corresponding with described iron ladle diversion trench, and described stage casing is the segmental arc of described leading portion of connection and described back segment,
Elder generation is installed on described residual iron platform with the stage casing and the back segment of described residual iron runner groove before the blast furnace overhaul blowing out, and the leading portion of described residual iron runner groove is installed after the connecting leg cross-over connection of stove skin place is finished after the blast furnace overhaul blowing out.
3. as claimed in claim 1ly put residual iron device, it is characterized in that,
The medullary ray of the residual iron eye of the medullary ray of the leading portion of described residual iron runner groove and described blast furnace is on same vertical line, and the vertical range between the center of residual iron runner groove inside upper surface center and described residual iron eye is 600-800mm.
4. as claimed in claim 3ly put residual iron device, it is characterized in that,
The medullary ray of the back segment of described residual iron runner groove is parallel with the medullary ray of the railway line of transporting described iron ladle, and projection overlaps.
5. blast furnace overhaul as claimed in claim 1 is put residual iron device, it is characterized in that,
The cross section of described residual iron runner groove is the U type, and described residual iron runner groove comprises steel plate layer, fire brick layer and stemming layer from outside to inside successively.
6. blast furnace overhaul as claimed in claim 5 is put residual iron device, it is characterized in that,
The internal depth of described residual iron runner groove is 900--1000mm, and width is 900--1000mm; And/or,
The thickness of the described fire brick layer of described residual iron runner trench bottom is 140--160mm, and the thickness of the described fire brick layer of described residual iron runner groove sidewall is 70--80mm; And/or,
The thickness of the stemming layer of described residual iron runner groove is 90-110mm; And/or,
The thickness of the steel plate layer of described residual iron runner groove is 10--14mm.
7. blast furnace overhaul as claimed in claim 2 is put residual iron device, it is characterized in that,
The back segment of described residual iron runner groove and the angle between the horizontal plane are 3 °--4 °.
8. blast furnace overhaul as claimed in claim 2 is put residual iron device, it is characterized in that, the central point of described each end of iron ladle diversion trench and the central point vertical range of described iron ladle are 200-300mm.
9. blast furnace overhaul as claimed in claim 1 is put residual iron device, it is characterized in that,
The cross section of described iron ladle diversion trench is the U type, and described iron ladle diversion trench comprises steel plate layer, fire brick layer and stemming layer from outside to inside successively.
10. blast furnace overhaul as claimed in claim 9 is put residual iron device, it is characterized in that,
The internal depth of described iron ladle diversion trench is 500--600mm, and width is 800--900mm; And/or,
The thickness of the described fire brick layer of described iron ladle diversion trench bottom is 70--80mm, and the thickness of the described fire brick layer of described iron ladle diversion trench sidewall is 70--80mm; And/or,
The thickness of the stemming layer of described iron ladle diversion trench is 30-50mm; And/or,
The thickness of the steel plate layer of described iron ladle diversion trench is 10--14mm.
11. a blast furnace overhaul is put residual iron method, it is characterized in that, is applied to the arbitrary described blast furnace overhaul of claim 1-10 and puts residual iron device, the medullary ray of the residual iron mouth of the medullary ray of the upper end of described residual iron runner groove and blast furnace is on same vertical line; And the vertical range of the residual iron mouth of the upper end of described residual iron runner groove and blast furnace is 600-800mm.
12. blast furnace overhaul as claimed in claim 11 is put residual iron method, it is characterized in that,
The medullary ray of the lower end of described residual iron runner groove is parallel with the medullary ray of described iron ladle, and projection overlaps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310179585.3A CN103215398B (en) | 2013-05-15 | 2013-05-15 | Blast furnace overhauling residual iron placing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310179585.3A CN103215398B (en) | 2013-05-15 | 2013-05-15 | Blast furnace overhauling residual iron placing device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103215398A true CN103215398A (en) | 2013-07-24 |
| CN103215398B CN103215398B (en) | 2015-02-18 |
Family
ID=48813545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310179585.3A Expired - Fee Related CN103215398B (en) | 2013-05-15 | 2013-05-15 | Blast furnace overhauling residual iron placing device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103215398B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102399926A (en) * | 2011-11-21 | 2012-04-04 | 攀钢集团攀枝花钢钒有限公司 | Furnace halt residue iron outlet method for middle and large-sized blast furnaces |
| KR20120061270A (en) * | 2010-12-03 | 2012-06-13 | 주식회사 포스코 | Pig casting machine and method for manufacturing cold pig iron using the same |
| CN202610246U (en) * | 2012-05-21 | 2012-12-19 | 鞍钢股份有限公司 | Furnace shutdown remaining iron discharge pit |
| CN202849459U (en) * | 2012-08-14 | 2013-04-03 | 济钢集团有限公司 | Double-iron-notch and single-casting-house system for blast furnace |
| CN203269959U (en) * | 2013-05-15 | 2013-11-06 | 莱芜钢铁集团有限公司 | Blast furnace overhauling residual iron placing device |
-
2013
- 2013-05-15 CN CN201310179585.3A patent/CN103215398B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120061270A (en) * | 2010-12-03 | 2012-06-13 | 주식회사 포스코 | Pig casting machine and method for manufacturing cold pig iron using the same |
| CN102399926A (en) * | 2011-11-21 | 2012-04-04 | 攀钢集团攀枝花钢钒有限公司 | Furnace halt residue iron outlet method for middle and large-sized blast furnaces |
| CN202610246U (en) * | 2012-05-21 | 2012-12-19 | 鞍钢股份有限公司 | Furnace shutdown remaining iron discharge pit |
| CN202849459U (en) * | 2012-08-14 | 2013-04-03 | 济钢集团有限公司 | Double-iron-notch and single-casting-house system for blast furnace |
| CN203269959U (en) * | 2013-05-15 | 2013-11-06 | 莱芜钢铁集团有限公司 | Blast furnace overhauling residual iron placing device |
Non-Patent Citations (2)
| Title |
|---|
| 任贵义: "《炼铁学 下册》", 31 December 1996, 冶金工业出版社 * |
| 傅燕乐: "《高炉操作》", 28 February 2006, 冶金工业出版社 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103215398B (en) | 2015-02-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204174222U (en) | The repair structure of iron-making heat wind furnace hot air duct and repairing mould thereof | |
| CN102399926B (en) | Furnace halt residue iron outlet method for middle and large-sized blast furnaces | |
| CN203269959U (en) | Blast furnace overhauling residual iron placing device | |
| CN102037146A (en) | Burner/injector panel apparatus | |
| CN104403694A (en) | Liquid-state continuous slag discharge device and slag discharge method of fixed bed gasification furnace | |
| CN105665689A (en) | Steel ladle capable of preventing steel slag from entering casting mold during pouring | |
| JP2014515991A (en) | Molten steel injection equipment | |
| CN103215398A (en) | Blast furnace overhauling residual iron placing device and method | |
| CN204672936U (en) | Double-station RH refining furnace dip pipe maintenance trolley | |
| CN108637235B (en) | Ladle drainage method | |
| CN104057077A (en) | High-pulling-speed sheet billet immersion-type water opening | |
| CN112296291A (en) | Method for closing top of continuous casting ending of plate blank | |
| JP2017166009A (en) | Molten iron residue processing method in large blast furnace molten iron gutter and large blast furnace molten iron gutter skimmer damper | |
| CN205183761U (en) | Ladle package end pouring structure | |
| CN108031829A (en) | Hot ladle pocket block repairing mould and restorative procedure | |
| CN108160958B (en) | A kind of feed trumpet brick installation method | |
| CN105135888B (en) | A kind of heating furnace burner spout pours forming method online | |
| CN103586444A (en) | Tilting type intermediate-frequency furnace discharging flow guiding device | |
| CN205110770U (en) | Ladle liner pouring is with collapsible child mould | |
| CN110819757A (en) | Maintenance method and device for converter bottom blowing air brick | |
| CN203343431U (en) | Blast furnace molten iron tank car capable of outputting iron continuously | |
| CN204830854U (en) | Online lower cone with alloy heating furnace | |
| CN206732113U (en) | Fan-shaped bag with fan-shaped slag trap | |
| CN103849708A (en) | Converter slagging device and method for controlling converter slagging | |
| CN204975307U (en) | Steel ladle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 Termination date: 20190515 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |