CN213570565U - High-efficient purification steelmaking converter based on big molten bath degree of depth - Google Patents
High-efficient purification steelmaking converter based on big molten bath degree of depth Download PDFInfo
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- CN213570565U CN213570565U CN202022671429.7U CN202022671429U CN213570565U CN 213570565 U CN213570565 U CN 213570565U CN 202022671429 U CN202022671429 U CN 202022671429U CN 213570565 U CN213570565 U CN 213570565U
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- converter
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- oxygen blowing
- molten
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- 238000009628 steelmaking Methods 0.000 title claims abstract description 24
- 238000000746 purification Methods 0.000 title claims abstract description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000007664 blowing Methods 0.000 claims abstract description 32
- 239000001301 oxygen Substances 0.000 claims abstract description 32
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 32
- 238000003756 stirring Methods 0.000 claims abstract description 31
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000010079 rubber tapping Methods 0.000 claims abstract description 25
- 238000005070 sampling Methods 0.000 claims abstract description 16
- 229910052742 iron Inorganic materials 0.000 claims abstract description 15
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 239000007788 liquid Substances 0.000 abstract description 4
- 239000007789 gas Substances 0.000 abstract description 3
- 239000013049 sediment Substances 0.000 abstract description 3
- 230000000630 rising effect Effects 0.000 abstract 1
- 238000003723 Smelting Methods 0.000 description 7
- 239000002893 slag Substances 0.000 description 5
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The utility model discloses a high-efficiency purification steelmaking converter based on large molten pool depth, which comprises a converter body, a top oxygen blowing device, a side stirring device, a bottom stirring device, a non-falling furnace molten iron charging device, a non-falling furnace temperature measurement sampling device, a non-falling furnace slag-free tapping device and a furnace shell electromagnetic stirring device, wherein the upper end of the converter body is provided with the non-falling furnace temperature measurement sampling device, and the bottom of the converter body is provided with the non-falling furnace slag-free tapping device; this high-efficient purification steelmaking converter based on big molten bath degree of depth adopts many notes points to pour into gas simultaneously in the stove outer covering through setting up top oxygen blowing device and side oxygen blowing device, has realized evenly rising temperature stirring and has smelted, reduces the splash blow loss, does not convert the stove and adds the molten iron device and does not fall stove temperature measurement sampling device through setting up, ensures staff's personal safety when effectively having stopped the furnace body hidden danger of tumbling, through being provided with not falling the stove and having no sediment tapping device, has stopped the tapping and has rolled up the sediment pollution, has improved the molten liquid purity.
Description
Technical Field
The utility model relates to a converter steelmaking technical field specifically is a high-efficient purification steelmaking converter based on big molten bath degree of depth.
Background
At present, compared with an electric arc furnace, an electric converter and the like, a steel converter used in the steel smelting industry of industrial enterprises has a shallow depth of a molten pool, and in the prior art, a 30-ton converter adopts a depth of a molten pool of about 800mm, and a 300-ton converter adopts a depth of a molten pool of about 2000 mm. Because of the restriction of the tilting moment of the furnace shell, the steel tapping amount is small, the equipment capacity can not be fully exerted, and the productivity is small; the traditional converter steelmaking process does not have the function of slag-free tapping, can not effectively ensure the quality of molten steel and is easy to generate secondary pollution of rephosphorization of clean molten steel; the traditional shallow molten pool depth, the purification efficiency is low, and the quality of molten steel is poor.
The prior art has the following defects or problems:
1. the existing steel-making converter is limited by the tilting moment of the furnace shell, so that the steel tapping amount is small, the equipment capacity cannot be fully exerted, and the productivity is small;
2. the existing steel-making converter and the traditional converter steel-making process do not have the function of slag-free steel tapping, can not effectively ensure the quality of molten steel and are easy to generate secondary pollution of clean molten steel rephosphorization;
3. the traditional steel-making converter has the defects of shallow depth of a molten pool, low purification efficiency and poor quality of molten steel.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-efficient purification steelmaking converter based on big molten bath degree of depth to the weak point of prior art to solve the problem that provides in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: the converter comprises a converter body, a top oxygen blowing device, a side stirring device, a bottom stirring device, a non-inverted furnace molten iron adding device, a non-inverted furnace temperature measuring and sampling device, a non-inverted furnace slag-free tapping device and a furnace shell electromagnetic stirring device, wherein the top oxygen blowing device is arranged at the top of the converter body, the side oxygen blowing devices are arranged at two sides of the converter body, the side oxygen blowing device is arranged at the same side of the side oxygen blowing device inside the converter body, the bottom stirring device is arranged at the bottom of the converter body, the non-inverted furnace molten iron adding device is arranged at the top of the converter body, the non-inverted furnace temperature measuring and sampling device is arranged at the upper end of the converter body, the non-inverted furnace slag-free tapping device is arranged at the bottom of the converter body, and the furnace shell electromagnetic.
As the preferred technical scheme of the utility model, the inside molten bath that is provided with of converter furnace body, the inside molten bath degree of depth of converter furnace body is 2-3 times of ordinary converter.
As the preferred technical scheme of the utility model, the converter body outside corresponds molten bath position fixed mounting and has two sets of stove outer covering electromagnetic stirring device.
As the preferred technical proposal of the utility model, the upper end of the converter body is fixedly connected with a device for charging molten iron without pouring the converter and a temperature measuring and sampling device without pouring the converter.
As the utility model discloses a preferred technical scheme, converter body top fixedly connected with top oxygen blast device, two sets of side oxygen blast devices of converter body both sides fixedly connected with.
As the preferred technical proposal of the utility model, the bottom of the converter body is fixedly provided with a non-falling slag tapping device.
Compared with the prior art, the utility model provides a high-efficient purification steelmaking converter based on big molten bath degree of depth possesses following beneficial effect:
1. according to the high-efficiency purification steelmaking converter based on the large molten pool depth, the molten pool is arranged in the converter body, and the depth of the molten pool in the converter body is 2-3 times of that of a common converter, so that the smelting of the multiplied capacity is realized, the consumption of refractory materials is reduced, and the production efficiency and the labor efficiency are obviously improved;
2. according to the high-efficiency purification steelmaking converter based on the large molten pool depth, the furnace shell electromagnetic stirring devices are arranged, and two groups of furnace shell electromagnetic stirring devices are fixedly installed on the outer side of the converter body corresponding to the molten pool, so that the molten steel in the furnace shell is further promoted to be further uniformly heated and smelted;
3. according to the high-efficiency purification steelmaking converter based on the large molten pool depth, the non-reverse converter molten iron adding device and the non-reverse converter temperature measurement sampling device are arranged, and the non-reverse converter molten iron adding device and the non-reverse converter temperature measurement sampling device are fixedly connected to the upper end of the converter body, so that the potential risk of furnace body rollover is eliminated, and the personal safety of workers is ensured;
4. according to the high-efficiency purification steelmaking converter based on the large molten pool depth, the top oxygen blowing device and the side oxygen blowing devices are arranged, the top of the converter body is fixedly connected with the top oxygen blowing device, two groups of side oxygen blowing devices are fixedly connected to two sides of the converter body, and gas is injected into the converter shell simultaneously through multiple injection points, so that uniform temperature rise stirring smelting is realized, and splashing blowing loss is reduced;
5. according to the efficient purification steelmaking converter based on the large molten pool depth, the non-pouring slag-free tapping device is fixedly arranged at the bottom of the converter body, slag-free tapping is adopted, slag pollution caused by tapping and slag rolling is avoided, and the purity of molten liquid is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the top view structure of the present invention.
In the figure: 1. a converter body; 2. a top-blown oxygen plant; 3. a side-blown oxygen device; 4. a side-blown stirring device; 5. a bottom-blowing stirring device; 6. a molten iron charging device without reversing the furnace; 7. a non-falling furnace temperature measuring and sampling device; 8. a non-falling furnace and slag-free tapping device; 9. the furnace shell electromagnetic stirring device.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, in this embodiment: the converter comprises a converter body 1, a top oxygen blowing device 2, a side oxygen blowing device 3, a side stirring device 4, a bottom stirring device 5, a non-inverted converter molten iron charging device 6, a non-inverted converter temperature measurement sampling device 7, a non-inverted converter slag-free steel tapping device 8 and a converter shell electromagnetic stirring device 9, wherein the top oxygen blowing device 2 is arranged at the top of the converter body 1, the side oxygen blowing devices 3 are arranged at two sides of the converter body 1, the side stirring device 4 is arranged at the same side of the side oxygen blowing device 3 inside the converter body 1, the bottom stirring device 5 is arranged at the bottom of the converter body 1, the non-inverted converter molten iron charging device 6 is arranged at the top of the converter body 1, the non-inverted converter temperature measurement sampling device 7 is arranged at the upper end of the converter body 1, the non-inverted converter slag-free steel tapping device 8 is arranged at the bottom of the converter body 1.
In the embodiment, the molten pool is arranged in the converter body 1, and the depth of the molten pool in the converter body 1 is 2-3 times of that of a common converter, so that the smelting with multiplied capacity is realized, the consumption of refractory materials is reduced, and the production efficiency and the labor efficiency are obviously improved; two to six groups of furnace shell electromagnetic stirring devices 9 are fixedly arranged on the outer side of the converter body 1 corresponding to the position of the molten pool, so that the molten steel in the furnace shell is further promoted to be further uniformly heated and smelted; the upper end of the converter body 1 is fixedly connected with a non-reverse converter molten iron charging device 6 and a non-reverse converter temperature measuring and sampling device 7, thereby avoiding the potential risk of furnace body rollover and ensuring the personal safety of workers; the top of the converter body 1 is fixedly connected with a top oxygen blowing device 2, two sides of the converter body 1 are fixedly connected with two groups of side oxygen blowing devices 3, and gas is simultaneously injected into the furnace shell by adopting multiple injection points, so that uniform heating stirring smelting is realized, and splashing blowing loss is reduced; the bottom of the converter body 1 is fixedly provided with a non-tilting slag-free tapping device 8, and slag-free tapping is adopted, so that the pollution of slag rolling during tapping is avoided, and the purity of the molten liquid is improved.
The utility model discloses a theory of operation and use flow: firstly, the top oxygen blowing device 2 and the side oxygen blowing device 3 blow air into the converter body 1, and simultaneously inject air into the furnace shell by adopting multiple injection points, thereby realizing uniform temperature rise stirring smelting, reducing splashing blowing loss, meanwhile, the electromagnetic stirring device 9 of the furnace shell is started, so that the further uniform heating smelting of the molten steel in the furnace shell can be effectively promoted, by adopting the non-reversing molten iron charging device 6 and the non-reversing temperature measuring and sampling device 7, the potential risk of furnace body overturning is avoided, the personal safety of workers is ensured, after the preparation of the inside molten steel of converter body 1 finishes, derive the molten steel by the no-slag tapping device 8 of not falling the stove, stopped the tapping and rolled up the sediment and pollute, improved the molten liquid purity, the utility model discloses the security is high, and the environmental protection is up to standard, and raises the efficiency reduces and consumes, improves the molten steel quality, reduces the construction investment, and the practicality is strong, is fit for generally promoting and applying.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A high-efficiency purification steelmaking converter based on large molten pool depth is characterized in that: comprises a converter body (1), a top oxygen blowing device (2), a side oxygen blowing device (3), a side stirring device (4), a bottom stirring device (5), a non-falling converter molten iron charging device (6), a non-falling converter temperature measurement sampling device (7), a non-falling converter slag-free steel tapping device (8) and a converter shell electromagnetic stirring device (9), wherein the top oxygen blowing device (2) is arranged at the top of the converter body (1), the side oxygen blowing devices (3) are arranged at two sides of the converter body (1), the side stirring devices (4) are arranged at the same side of the side oxygen blowing devices (3) in the converter body (1), the bottom stirring device (5) is arranged at the bottom of the converter body (1), the non-falling converter molten iron charging device (6) is arranged at the top of the converter body (1), the non-falling converter temperature measurement sampling device (7) is arranged at the upper end of the converter body (1), the bottom of the converter body (1) is provided with a non-falling slag-free tapping device (8), and two sides of the converter body (1) are provided with furnace shell electromagnetic stirring devices (9).
2. The converter for purifying and steelmaking with high efficiency based on large depth of molten pool as claimed in claim 1, wherein: a molten pool is arranged in the converter body (1), and the depth of the molten pool in the converter body (1) is 2-3 times of that of a common converter.
3. The converter for purifying and steelmaking with high efficiency based on large depth of molten pool as claimed in claim 1, wherein: two groups of furnace shell electromagnetic stirring devices (9) are fixedly arranged on the outer side of the converter body (1) corresponding to the position of the molten pool.
4. The converter for purifying and steelmaking with high efficiency based on large depth of molten pool as claimed in claim 1, wherein: the upper end of the converter body (1) is fixedly connected with a non-reversing molten iron charging device (6) and a non-reversing temperature measuring and sampling device (7).
5. The converter for purifying and steelmaking with high efficiency based on large depth of molten pool as claimed in claim 1, wherein: the top of the converter body (1) is fixedly connected with a top oxygen blowing device (2), and two sides of the converter body (1) are fixedly connected with two groups of side oxygen blowing devices (3).
6. The converter for purifying and steelmaking with high efficiency based on large depth of molten pool as claimed in claim 1, wherein: the bottom of the converter body (1) is fixedly provided with a non-falling slag-free tapping device (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022671429.7U CN213570565U (en) | 2020-11-18 | 2020-11-18 | High-efficient purification steelmaking converter based on big molten bath degree of depth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022671429.7U CN213570565U (en) | 2020-11-18 | 2020-11-18 | High-efficient purification steelmaking converter based on big molten bath degree of depth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213570565U true CN213570565U (en) | 2021-06-29 |
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ID=76538784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022671429.7U Active CN213570565U (en) | 2020-11-18 | 2020-11-18 | High-efficient purification steelmaking converter based on big molten bath degree of depth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213570565U (en) |
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2020
- 2020-11-18 CN CN202022671429.7U patent/CN213570565U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231220 Address after: Room 818, Building F, Haiyue Tiandi, No. 66 Yuhua West Road, Qiaoxi District, Shijiazhuang City, Hebei Province, 050000 Patentee after: Hebei Zunya Metallurgical Technology Co.,Ltd. Address before: 056304 Zhirong iron and steel company, Guzhen village, Yetao Town, Wu'an city, Handan City, Hebei Province Patentee before: Li Dianming |