CN105256092A - Treating method for bonding substances at converter opening of semi-steel smelting converter - Google Patents
Treating method for bonding substances at converter opening of semi-steel smelting converter Download PDFInfo
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- CN105256092A CN105256092A CN201510700826.3A CN201510700826A CN105256092A CN 105256092 A CN105256092 A CN 105256092A CN 201510700826 A CN201510700826 A CN 201510700826A CN 105256092 A CN105256092 A CN 105256092A
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- converter
- fire door
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- bonding substances
- oxygen
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Abstract
The invention relates to the field of semi-steel smelting converter devices, in particular to a treating method for bonding substances at a converter opening of a semi-steel smelting converter. According to the treating method for the bonding substances at the converter opening of the semi-steel smelting converter, safety is high, and the one-time thorough-treating success rate for the converter opening bonding substances is high. The treating method for the bonding substances at the converter opening of the semi-steel smelting converter includes the following steps that a, the bonding substances at the converter opening are blown and swept through oxygen; and in other words, after carbon catching and gun lifting are carried out on converter-smelted molten steel, oxygen blowing and sweeping are carried out on a converter opening through an oxygen gun at the waiting point; b, then a special steel pipe is installed on a shaking furnace, and after the special steel pipe is installed, all operators evacuate to the safe position; c, corresponding converter opening anti-ejecting operation and converter lifting operation are carried out to eject the bonding substances at the converter opening away; and d, the bonding substances at the converter opening are removed, and removing of the bonding substances at the converter opening is completed. The treating method is particularly suitable for the removing technology for the bonding substances at the converter opening of the semi-steel smelting converter.
Description
Technical field
The present invention relates to semisteel smelting converter installation field, especially a kind of semisteel smelting converter mouth adhesive treatment process.
Background technology
Climbing steel vanadium extraction steelworks is semisteel smelting technique, and half steel and hot metal ratio comparatively have its singularity, are mainly reflected in: carbon is low, silicon is vestige, temperature is low, half steel main chemical.Climb steel semisteel smelting and molten iron smelting has larger difference: 1. slag charge consumes low; 2. smelting process slag foamed is more serious; 3. terminal slag TFe content is high, and therefore fire door adhesive is formed fast, if process fire door adhesive not in time, affects and falls cover operation thus affect coal-gas recovering.
The processing mode of existing fire door adhesive is: due to its singularity of semisteel smelting, Primary period is without slagformation period, directly enter carbon period, require that in slag, (TFe) content is higher, therefore slag foamed is more serious, it is fast that fire door adhesive forms speed, and cover operation and coal-gas recovering fall in impact, and therefore steelmaker will process fire door adhesive in time.The method of original place reason fire door adhesive is called " top fire door operation ".Such processing mode belongs to comparatively dangerous mode of operation, easily personnel safety accident occurs; Secondly, process fire door adhesive one-time success rate is low, and pushes up fire door adhesive special steel pipe and consume high.
Summary of the invention
It is high that technical problem to be solved by this invention is to provide a kind of security, the semisteel smelting converter mouth adhesive treatment process that the clean success ratio of the disposable process of fire door adhesive is high.
The technical solution adopted for the present invention to solve the technical problems is: semisteel smelting converter mouth adhesive treatment process, comprises the following steps:
A, oxygen blow fire door adhesive, after carrying rifle by converter smelting molten steel catch carbon, oxygen rifle a little carries out oxygen blow to fire door waiting;
B, then lay special steel pipe at grate, after described special steel pipe is laid, all operations personnel withdraw to secure location;
C, carry out corresponding anti-top fire door and lift furnace operating, fire door adhesive is pushed away;
D, cleaning fire door adhesive, complete the cleaning of fire door adhesive.
Further, the oxygen blow mode in described step 1 is: tactile switch oxygen, continue out oxygen time≤30 seconds/time.
The invention has the beneficial effects as follows: have employed " anti-top fire door lifts furnace operating " different from traditional way of the invention, except the safety of staff can be ensured and process except clean success ratio height, also little to the injury of fire door refractory materials, reduce resistance to material consumption, meanwhile, fire door internal diameter can also effectively be controlled.In addition, the top fire door special steel pipe adopted in the present invention consumes low, also reduces the production cost of enterprise.The present invention is particularly useful among the cleaning technology of semisteel smelting converter mouth adhesive.
Embodiment
Semisteel smelting converter mouth adhesive treatment process, comprises the following steps: a, oxygen blow fire door adhesive, and after carrying rifle by converter smelting molten steel catch carbon, oxygen rifle a little carries out oxygen blow to fire door waiting; B, then lay special steel pipe at grate, after described special steel pipe is laid, all operations personnel withdraw to secure location; C, carry out corresponding anti-top fire door and lift furnace operating, fire door adhesive is pushed away; D, cleaning fire door adhesive, complete the cleaning of fire door adhesive.
Half steel and hot metal ratio comparatively have its singularity, are mainly reflected in: carbon is low, silicon is vestige, temperature is low.Existing mode not only safety coefficient is low, and the efficiency of process is not high yet.The present invention looks for another way in design, creationaryly improves traditional treatment process.Wherein, in oxygen blow fire door adhesive, after carrying rifle by converter smelting molten steel catch carbon, oxygen rifle a little carries out oxygen blow to fire door waiting immediately, thus ensures that the cleaning in later stage is more thorough.In addition, the present invention also gives operator's evacuation time timely, and ensuing operation sequence can when operator withdraw the carrying out of safety, this be also traditional mode do not possess completely.In addition, in order to further improve the effect of oxygen blow, can following proposal be selected: the oxygen blow way selection in described step 1 is the Purge methods of tactile switch oxygen, and continue out oxygen time≤30 seconds/time.
The present invention well overcomes the more serious defect of traditional slag foamed, also have impact on the ensuing cover that falls and operates and coal-gas recovering.Added realize fire door adhesive cleaning operation while, also ensure that the safety of operator, therefore, the present invention has very wide marketing prospect, is particularly useful for the enterprise carrying out the cleaning technology of semisteel smelting converter mouth adhesive needing environmental protection more and safety.
Claims (2)
1. semisteel smelting converter mouth adhesive treatment process, is characterized in that, comprise the following steps:
A, oxygen blow fire door adhesive, after carrying rifle by converter smelting molten steel catch carbon, oxygen rifle a little carries out oxygen blow to fire door waiting;
B, then lay special steel pipe at grate, after described special steel pipe is laid, all operations personnel withdraw to secure location;
C, carry out corresponding anti-top fire door and lift furnace operating, fire door adhesive is pushed away;
D, cleaning fire door adhesive, complete the cleaning of fire door adhesive.
2. semisteel smelting converter mouth adhesive treatment process as claimed in claim 1, is characterized in that: the oxygen blow mode in described step 1 is: tactile switch oxygen, continue out oxygen time≤30 seconds/time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510700826.3A CN105256092A (en) | 2015-10-26 | 2015-10-26 | Treating method for bonding substances at converter opening of semi-steel smelting converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510700826.3A CN105256092A (en) | 2015-10-26 | 2015-10-26 | Treating method for bonding substances at converter opening of semi-steel smelting converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105256092A true CN105256092A (en) | 2016-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510700826.3A Pending CN105256092A (en) | 2015-10-26 | 2015-10-26 | Treating method for bonding substances at converter opening of semi-steel smelting converter |
Country Status (1)
| Country | Link |
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| CN (1) | CN105256092A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108344307A (en) * | 2018-03-20 | 2018-07-31 | 马鞍山钢铁股份有限公司 | A kind of revolving furnace fume hood accumulated slag method for cleaning and revolving furnace fume hood accumulated slag clear up rifle |
| CN108359765A (en) * | 2018-03-30 | 2018-08-03 | 山东钢铁股份有限公司 | A kind of blowing method for purging converter mouth dry slag |
| CN108842026A (en) * | 2018-08-21 | 2018-11-20 | 成渝钒钛科技有限公司 | The method for improving steel-making vanadium extraction rate |
| CN112226568A (en) * | 2020-09-18 | 2021-01-15 | 包头钢铁（集团）有限责任公司 | Production control method for preventing sublance top furnace mouth |
| CN115386674A (en) * | 2022-08-02 | 2022-11-25 | 湖南华菱涟源钢铁有限公司 | Method for removing converter mouth slagging |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2002332513A (en) * | 2001-05-09 | 2002-11-22 | Kobe Steel Ltd | Method for removing metal on nose of melting vessel furnace |
| CN1995405A (en) * | 2006-12-28 | 2007-07-11 | 鞍钢股份有限公司 | Processing method of combined blowing from top and bottom for maintaining converter and removing cohered steel slag |
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2015
- 2015-10-26 CN CN201510700826.3A patent/CN105256092A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002332513A (en) * | 2001-05-09 | 2002-11-22 | Kobe Steel Ltd | Method for removing metal on nose of melting vessel furnace |
| CN1995405A (en) * | 2006-12-28 | 2007-07-11 | 鞍钢股份有限公司 | Processing method of combined blowing from top and bottom for maintaining converter and removing cohered steel slag |
Non-Patent Citations (2)
| Title |
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| 欧阳德刚 等: "转炉炉口粘渣清理技术现状与发展方向", 《工业加热》 * |
| 王龙 等: "吹氧处理转炉炉口结渣的工艺研究", 《本钢技术》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108344307A (en) * | 2018-03-20 | 2018-07-31 | 马鞍山钢铁股份有限公司 | A kind of revolving furnace fume hood accumulated slag method for cleaning and revolving furnace fume hood accumulated slag clear up rifle |
| CN108359765A (en) * | 2018-03-30 | 2018-08-03 | 山东钢铁股份有限公司 | A kind of blowing method for purging converter mouth dry slag |
| CN108842026A (en) * | 2018-08-21 | 2018-11-20 | 成渝钒钛科技有限公司 | The method for improving steel-making vanadium extraction rate |
| CN112226568A (en) * | 2020-09-18 | 2021-01-15 | 包头钢铁（集团）有限责任公司 | Production control method for preventing sublance top furnace mouth |
| CN115386674A (en) * | 2022-08-02 | 2022-11-25 | 湖南华菱涟源钢铁有限公司 | Method for removing converter mouth slagging |
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Application publication date: 20160120 |