CN101003845A - Maintenance and clinker removal method of sub lance for converter dual blown from top and bottom, and equipment - Google Patents

Maintenance and clinker removal method of sub lance for converter dual blown from top and bottom, and equipment Download PDF

Info

Publication number
CN101003845A
CN101003845A CN 200610135139 CN200610135139A CN101003845A CN 101003845 A CN101003845 A CN 101003845A CN 200610135139 CN200610135139 CN 200610135139 CN 200610135139 A CN200610135139 A CN 200610135139A CN 101003845 A CN101003845 A CN 101003845A
Authority
CN
China
Prior art keywords
sublance
slag
converter
wiper
test
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
Application number
CN 200610135139
Other languages
Chinese (zh)
Other versions
CN100482810C (en
Inventor
魏春新
张越
张志文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Angang Steel Co Ltd
Original Assignee
Angang Steel Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Angang Steel Co Ltd filed Critical Angang Steel Co Ltd
Priority to CNB2006101351392A priority Critical patent/CN100482810C/en
Publication of CN101003845A publication Critical patent/CN101003845A/en
Application granted granted Critical
Publication of CN100482810C publication Critical patent/CN100482810C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Carbon Steel Or Casting Steel Manufacturing (AREA)

Abstract

This invention discloses method and apparatus for maintaining and removing slag from sublance of steelmaking top-bottom composite blown converter. The method solves the problems of adverse effects and many malfunctions caused by slag adhered to sublance. The method comprises: brushing slag, maintaining sublance and removing slag on the probe end during sublance lifting process after testing in converter. Therefore, the sublance can receive maintenance in time, and the method has such advantages as simple process, good slag removing effect, and few malfunctions. The brushing apparatus is easy to adjust, use and maintain. The converter with cleaned sublance has such advantages as high productivity, and short smelting period.

Description

Sub lance for converter dual blown from top and bottom is safeguarded clinker removal method and device thereof
Technical field
The present invention relates to a kind of steel-making top and bottom combined blown converter, particularly relate to a kind of sub lance for converter dual blown and safeguard clinker removal method and device thereof, belong to ferrous metallurgy steel-making converter maintenance technology.
Background technology
The steel-making top and bottom combined blown converter, use sublance test molten steel composition in the converting process, temperature, usually control is smelted every stove steel at least through twice test, testing converter first is in blowing oxygen quantity and reaches in 80%-90% the fierce state, seethe in the molten bath, the slag splash is excessive, to making in the sublance test body of a gun slag that must bond, the bonding slag causes fault even damage accident when serious, influence sublance test use, when testing once more, be subjected to the influence of rifle body bonding slag, test probe can't accurately be in place, and has a strong impact on the operation of smelting process, incur loss through delay tap to tap time, delay production.
At present, safeguard a kind of sublance dregs scraper of splitting scraper type of the many employings of sublance clinker removal method, its formation is by the unlatching of pneumatics manipulation scraper and closes up, solve the sublance body scarfing cinder, it scrapes the schedule of operation that the slag sequence of control is included converter and sublance in, and its main drawback is: it is not thorough that (1) sublance is scraped the slag cleaning, often causes the sublance operating rate low, it is dumb to scrape the slag action, the failure rate height.(2) the scraper action is scraped slag with the sublance schedule of operation, and the slag that bondd influences and breaks down, and influences the converter procedure operation, and test can not be carried out smoothly, and the sublance operating rate is low, can not satisfy the production needs.
Summary of the invention
The technical problem to be solved in the present invention is: safeguard that to there being sub lance for converter dual blown from top and bottom in the prior art scarfing cinder is not thorough only, it is dumb to split the action of scraper type dregs scraper, the failure rate height, influence the revolving furnace sublance procedure operation, produce, when reusing the sublance test and incur loss through delay, because sublance safeguards that scarfing cinder is unholiness, test probe is installed not in place, so that can't test and cause the sublance operating rate low, can not satisfy the production needs.The solution that the present invention takes is: go deep into the converter test and test in the lifting process of back at sublance, can both obtain the wiper scarfing cinder, every blowing one heat steel, in twice test process of sublance, comprise test first, at least obtain 4 wiper scarfing cinders, thereby sublance is safeguarded the normal use of cleaning, raising operating rate.Clinker removal method carries out according to the following steps:
1, equipment Auxiliary gun testing probe,
2, sublance gos deep into converter and tests first,
3, test the lifting sublance that finishes, the wiper sublance body of a gun and probe thereof are equipped the bonding slag of end thereupon,
4, sublance Equipment Test probe once more gos deep into converter and carries out test second time, the wiper sublance slag that bonds once more thereupon,
5, end of test (EOT) promotes sublance, and wiper sublance bonding slag again thereupon realizes that cleaning safeguards.
Safeguard the wiper slag cleaning device that scarfing cinder designs for realizing sublance, on the annular disc 1 that is fastened on sublance water jacket end, distribution inclination fixed points to the sleeve pipe 2 of annular center on this annular disc 1, in each sleeve pipe 2 strand wire section 3 is arranged,, be clamped in the sleeve pipe by at least 1 or 2 fastening pieces 4, the steel wire head that the annular center end of sleeve pipe 2 is exposed, the looping wiper in the sublance body of a gun is come in and gone out the converter process and accept the wiper of annular brush, is realized the cleaning to its bonding slag.
On the annular disc 1 of wiper slag cleaning device, distribute and fixed tilt sleeve 2 by 3 or 12 at least, 8 of optimal selections, each sleeve pipe 2 tilts with the last plane of annular disc 1, and its angle is 5 ° to 15 °, and best angle is 8 ° or 10 °.
Strand wire section 3 in each tilt sleeve of wiper slag cleaning device is fixed by 1 to 2 fastening piece adjustment at least.
The present invention compares present technology following beneficial effect:
1, improves the sublance operating rate.The sublance environment for use of combined blown converter is abominable, safeguard the scarfing cinder difficulty, owing to can in the sublance operational process, obtain timely wiper scarfing cinder thereupon, reach and eliminate the probe installation incomplete phenomena that causes because of the bonding slag when testing once more, avoid the sublance fault, overcome deficiency of the prior art, improved the operating rate of sublance.
2 scraping and brushing apparatus are easy to adjust to use, safeguard that operation is normal, and the wiper scarfing cinder is effective, and it is dumb to have overcome in the prior art dregs scraper, the shortcoming that failure rate is high.
3, because sublance solves and safeguards scarfing cinder, reach normal operation on combined blown converter, overcome and solve the fault of sublance, no longer influence stably manufactured, thereby improve the converter operating rate, shorten the converter smelting cycle because of the sublance fault causes the upheaval of converter schedule of operation.
Description of drawings
Fig. 1, be that sublance of the present invention is safeguarded scarfing cinder scraping and brushing apparatus front view
Fig. 2, be the side-view of scraping and brushing apparatus shown in Figure 1
Embodiment
The realization preferred embodiments of the disclosure is: the 260t sub lance for converter dual blown from top and bottom is safeguarded the embodiment of clinker removal method, the technical solution scheme of taking, going deep into converter at sublance implements in the process of test or test back lifting sublance, wiper is removed the bonding slag thereupon, thereby sublance in time safeguarded cleaning, reaches normal use.Safeguard clinker removal method, carry out according to the following steps:
1, equipment Auxiliary gun testing probe,
2, sublance gos deep into converter and tests first,
3, test the lifting sublance that finishes, the wiper sublance body of a gun and probe thereof are equipped the bonding slag of end thereupon,
4, sublance Equipment Test probe once more gos deep into converter and carries out second time and test, thereupon the bonding slag of wiper sublance once more.
5, end of test (EOT) promotes sublance, and the bonding slag of wiper sublance again thereupon realizes that cleaning safeguards.
For the 260t sub lance for converter dual blown from top and bottom is safeguarded the scarfing cinder scraping and brushing apparatus that the clinker removal method of use manufactures and designs.Described in detail below in conjunction with accompanying drawing:
Fig. 1, be that sublance of the present invention is safeguarded scarfing cinder scraping and brushing apparatus front view, sublance water jacket 5 ends, fastening with welding process stationary annular disk 1, distribution inclination fixed points to the sleeve pipe 2 of annular center on the annular disc 1, wireline or burst section 3 are housed in each sleeve pipe 2, by 2 holding bolts 4, be clamped in the sleeve pipe, the steel wire head that the annular center end of sleeve pipe 2 is exposed, surround annular wiper,, implemented wiper sublance body and the equipment sound end that discrepancy is passed through, obtain the wiper scarfing cinder in the sublance use, realize the cleaning maintenance.
Also 8 sleeve pipes 2 of constant tilt distribute above the annular disc 1, the plane slanted angle is 8 ° on each sleeve pipe 2 and the annular disc 1, so that scarfing cinder is in the end of probe equipment, for ease of fastening and adjustment scarfing cinder annular wiper, respectively there is one on each sleeve pipe respectively tightly with bolt 4, wireline in the chucking sleeve pipe or burst section 3.
Fig. 2 is the side-view of scarfing cinder scraping and brushing apparatus.With reference to Fig. 2, revolving furnace sublance water jacket 5 upper end welding process stationary annular disks 1,8 sleeve pipes 2 of last horizontal distribution inclination fixed, on its each medullary ray and the annular disc plane respectively slanted angle be 8 °, wireline or burst section 3 are housed, by holding bolt 4 fastening and adjustment in the sleeve pipe 2 with it.Strand wire section 3 in the fastening sleeve pipe 2 respectively has a bolt 4 fastening and adjustment strand wire sections 3 respectively, so that the scarfing cinder of sublance wiper produces a desired effect on each sleeve pipe.

Claims (4)

1, a kind of sub lance for converter dual blown from top and bottom is safeguarded clinker removal method, carries out according to the following steps:
(1), the equipment Auxiliary gun testing probe,
(2), sublance gos deep into converter and tests first,
(3), the test back that finishes promotes sublance, the bonding slag of the wiper body of a gun and probe equipment end thereof thereupon,
(4), sublance Equipment Test probe once more, go deep into converter and carry out the test second time wiper sublance slag that bonds once more simultaneously,
(5), end of test (EOT) promotes sublance, the bonding slag of the wiper sublance body of a gun and probe equipment end thereupon realizes that cleaning safeguards.
2, a kind of sublance scraping and brushing apparatus of safeguarding the clinker removal method design by the described sublance of claim 1, it is by the annular disc (1) that is fastened on sublance water jacket (5) end, the sleeve pipe (2) of the sensing circle ring center of distribution constant tilt on this annular disc, in strand wire section (3) is respectively arranged, by fastening piece (4) adjust with fastening each sleeve pipe (2) in strand wire section (3) constitute the brush ring of the annular wiper of safeguarding scarfing cinder of sublance by the steel wire head of the exposed strand wire section of the center-side of each sleeve pipe (2).
3, sublance according to claim 2 is safeguarded slag cleaning device, it is characterized in that distributing and fixed tilt sleeve (2) by 3 or 12 at least above the annular disc (1), optimal selection is 8, each tilts with the last plane of annular disc, its angle is 5 ° to 15 °, and best angle is 8 ° or 10 ° usually.
4, sublance according to claim 2 is safeguarded slag cleaning device, it is characterized in that the strand wire section (3) in each tilt sleeve each has at least 1 or 2 fastening adjustment bolt (4).
CNB2006101351392A 2006-12-28 2006-12-28 Maintenance and clinker removal method of sub lance for converter dual blown from top and bottom, and equipment Expired - Fee Related CN100482810C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2006101351392A CN100482810C (en) 2006-12-28 2006-12-28 Maintenance and clinker removal method of sub lance for converter dual blown from top and bottom, and equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2006101351392A CN100482810C (en) 2006-12-28 2006-12-28 Maintenance and clinker removal method of sub lance for converter dual blown from top and bottom, and equipment

Publications (2)

Publication Number Publication Date
CN101003845A true CN101003845A (en) 2007-07-25
CN100482810C CN100482810C (en) 2009-04-29

Family

ID=38703219

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2006101351392A Expired - Fee Related CN100482810C (en) 2006-12-28 2006-12-28 Maintenance and clinker removal method of sub lance for converter dual blown from top and bottom, and equipment

Country Status (1)

Country Link
CN (1) CN100482810C (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102876829A (en) * 2011-07-15 2013-01-16 中冶宝钢技术服务有限公司 Technology for processing slag falling below rotary furnace in smelting process of furnace
CN108588312A (en) * 2018-04-23 2018-09-28 山西太钢不锈钢股份有限公司 A method of processing blast furnace spray gun slagging
CN109652609A (en) * 2019-01-11 2019-04-19 包头钢铁(集团)有限责任公司 A kind of inexpensive, high efficient protected sublance steel bonding method
CN112114556A (en) * 2020-09-24 2020-12-22 山信软件股份有限公司 Sublance operation monitoring method and system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102876829A (en) * 2011-07-15 2013-01-16 中冶宝钢技术服务有限公司 Technology for processing slag falling below rotary furnace in smelting process of furnace
CN102876829B (en) * 2011-07-15 2015-08-26 中冶宝钢技术服务有限公司 Stove whereabouts residues processing technique in converter steelmaking process
CN108588312A (en) * 2018-04-23 2018-09-28 山西太钢不锈钢股份有限公司 A method of processing blast furnace spray gun slagging
CN108588312B (en) * 2018-04-23 2019-11-26 山西太钢不锈钢股份有限公司 A method of processing blast furnace spray gun slagging
CN109652609A (en) * 2019-01-11 2019-04-19 包头钢铁(集团)有限责任公司 A kind of inexpensive, high efficient protected sublance steel bonding method
CN112114556A (en) * 2020-09-24 2020-12-22 山信软件股份有限公司 Sublance operation monitoring method and system
CN112114556B (en) * 2020-09-24 2024-03-26 山信软件股份有限公司 Method and system for monitoring operation of sublance

Also Published As

Publication number Publication date
CN100482810C (en) 2009-04-29

Similar Documents

Publication Publication Date Title
CN100482810C (en) Maintenance and clinker removal method of sub lance for converter dual blown from top and bottom, and equipment
CA2172898C (en) Apparatus for producing molten pig iron by direct reduction
CN101748246B (en) Method for improving service life of insert tube of vacuum degassing furnace
US6565798B2 (en) Method of relining a vessel
CN106048129B (en) Converter high-carbon low-phosphorus terminal point control metallurgical method under a kind of phosphorus high ferro water condition
CN106367557A (en) Method for treating converter mouth slag through oxygen blowing by oxygen lance
CN102399926B (en) Furnace halt residue iron outlet method for middle and large-sized blast furnaces
CN104032066A (en) Process for maintaining converter lining by combining metal material with heat-state furnace slag
CN105506217A (en) Method for online rapid cleaning of converter lance bonded steel slag
CN113846198A (en) Construction method for building blast furnace body
CN102311237B (en) Method for repairing mechanical shaft kiln lining
CN107828933A (en) The method for controlling convertor lining thickness
CN106555029A (en) VOD stove vacuum cover fast repairing methods
CN101381798A (en) Technique for observation of vacuum groove using top lance
CN113637820B (en) Differentiation control method and system for converter bottom blowing gas supply branch pipe based on image recognition
CN211112067U (en) Molten iron chute
CN211999793U (en) Blast furnace cooling wall
CN211972387U (en) Antiseized knot steelmaking slag ladle
CN102534092B (en) Method for protecting top-bottom combined blown converter
CN109405555B (en) Method for building wear-resistant bricks at end part of blanking chute of rotary hearth furnace
KR101623207B1 (en) Apparatus for preventing tob hole's clogging of vacuum degassing system
JPH0445218A (en) Method and jig for repairing steel tapping hole of converter
JP3633519B2 (en) Stave cooler for metallurgical furnace and its mounting method
JP2018104813A (en) Operation method of converter type refining furnace
CN219059020U (en) Converter tapping hole and brick replacing structure thereof

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
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090429

Termination date: 20181228