CN108296595A - The treatment process of slabs made of steel defect - Google Patents
The treatment process of slabs made of steel defect Download PDFInfo
- Publication number
- CN108296595A CN108296595A CN201710530550.8A CN201710530550A CN108296595A CN 108296595 A CN108296595 A CN 108296595A CN 201710530550 A CN201710530550 A CN 201710530550A CN 108296595 A CN108296595 A CN 108296595A
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- CN
- China
- Prior art keywords
- cleaning
- slab
- hand
- clear rifle
- carried out
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K7/00—Cutting, scarfing, or desurfacing by applying flames
- B23K7/06—Machines, apparatus, or equipment specially designed for scarfing or desurfacing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
Abstract
The invention belongs to steel continuous casting slab technology field, more particularly to a kind for the treatment of process of slabs made of steel defect, including following steps：The first step：Igniting, lights a fire for clear rifle, first opens burnt gas valve, open oxygen valve after lighting again；Second step：Slab corner defect is handled, is specifically included：1) with the clear rifle of hand longitudinal slowly cleaning is carried out along slab corner for 2 centimeters；2) longitudinal cleaning is carried out with 6 centimeters away from corner side of the clear rifle of hand, it is ensured that cleaning width；3) longitudinal cleaning is carried out with 6 centimeters above hand clear rifle elongation portion；Third walks：Processing board blank surface defects carry out local cleaning to surface abnormalities slab or whole face are cleared up.Advantage is handled by the clear technique of hand, solves the problems such as mass defect existing for slab (crackle, slag inclusion, stomata, reclosing, dent), realize production capacity maximization, effectively reduce investment in productive enterprise cost, reduce degradation rate and scrappage, product qualification rate is improved, the performance of enterprises is increased.
Description
Technical field
The invention belongs to steel continuous casting slab technology field, more particularly to a kind for the treatment of process of slabs made of steel defect.
Background technology
Steel are the important foundation materials of the national economic development, the market demand is powerful and the slab of continuous casting exist it is certain
Quality problems.Currently, domestic steel enterprise grinds the method to disappear using grinding wheel, the method is time-consuming, laborious, inefficient, and especially crackle is deep
Slab, then it is ineffective, but with the further surplus of steel billet processing industry production capacity, the competition between enterprise increasingly sharpens, and innovates
Driving develops into the supporting method of Promoting Enterprise progress, and steel billet processing is objectively required to meet hot rolling requirement.So such as
What effective progress treatment of mat process integration, and it is made to meet coils of hot rolled requirement, become the problem of my enterprise must face,
Compete increasingly perfervid today in processing technology, to improve enterprise competitiveness, expand product category, reduce production and invest at
This, has important practical significance.
Invention content
One, technical problems to be solved
The purpose of the present invention is for the above problem present in the prior art, provide a kind of place of slabs made of steel defect
Science and engineering skill, method that the effective solution prior art disappears to slabs made of steel defect using grinding wheel mill is time-consuming, laborious, efficiency not
The slab of height, especially crackle depth, then ineffective defect.
Two, technical solution
In order to solve the above technical problems, the present invention provides a kind for the treatment of process of slabs made of steel defect, include the following steps：
The first step：Igniting, lights a fire for clear rifle, first opens burnt gas valve, open oxygen valve after lighting again；
Second step：Slab corner defect is handled, is specifically included：
1) with the clear rifle of hand longitudinal slowly cleaning is carried out along slab corner for 2 centimeters；
2) longitudinal cleaning is carried out with 6 centimeters away from corner side of the clear rifle of hand, it is ensured that cleaning width；
3) longitudinal cleaning is carried out with 6 centimeters above hand clear rifle elongation portion；
Third walks：Processing board blank surface defects carry out local cleaning to surface abnormalities slab or whole face are cleared up.
As an optimization, the ratio of coal oxygen is 1: 10 when lighting a fire in the above-mentioned first step.
Three, beneficial effects of the present invention
The treatment process of the slabs made of steel defect of the present invention is handled by the clear technique of hand, solves matter existing for slab
The problems such as measuring defect (crackle, slag inclusion, stomata, reclosing, dent) realizes production capacity maximization, effectively reduces manufacturing enterprise's throwing
Cost is provided, degradation rate and scrappage are reduced, product qualification rate is improved, increases the performance of enterprises.
Specific implementation mode
The treatment process of the slabs made of steel defect of the present invention is described further below：
Embodiment：The treatment process of the slabs made of steel defect of the present invention includes following steps：
The first step：Igniting, lights a fire for clear rifle, first opens burnt gas valve, open oxygen valve after lighting again；
Second step：Slab corner defect is handled, is specifically included：
1) with the clear rifle of hand longitudinal slowly cleaning is carried out along slab corner for 2 centimeters；
2) longitudinal cleaning is carried out with 6 centimeters away from corner side of the clear rifle of hand, it is ensured that cleaning width；
3) longitudinal cleaning is carried out with 6 centimeters above hand clear rifle elongation portion；
Third walks：Processing board blank surface defects carry out local cleaning to surface abnormalities slab or whole face are cleared up；
The ratio of coal oxygen is 1: 10 when lighting a fire in the above-mentioned first step, it is ensured that the temperature of the clear rifle of fire, it is ensured that effectively cleaning.
The treatment process of the slabs made of steel defect of the present invention is handled by the clear technique of hand, solves matter existing for slab
Measure (crackle, slag inclusion, stomata, reclosing, dent) the problems such as, realize production capacity maximization, effectively reduce investment in productive enterprise at
This, reduces degradation rate and scrappage, improves product qualification rate, increases the performance of enterprises.
Advantageous embodiment only of the invention described above, it is noted that for those skilled in the art
For, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (2)
1. a kind for the treatment of process of slabs made of steel defect, which is characterized in that including following steps：
The first step：Igniting, lights a fire for clear rifle, first opens burnt gas valve, open oxygen valve after lighting again；
Second step：Slab corner defect is handled, is specifically included：
1) with the clear rifle of hand longitudinal slowly cleaning is carried out along slab corner for 2 centimeters；
2) longitudinal cleaning is carried out with 6 centimeters away from corner side of the clear rifle of hand, it is ensured that cleaning width；
3) longitudinal cleaning is carried out with 6 centimeters above hand clear rifle elongation portion；
Third walks：Processing board blank surface defects carry out local cleaning to surface abnormalities slab or whole face are cleared up；
2. a kind for the treatment of process of slabs made of steel defect as described in claim 1, it is characterised in that：It lights a fire in the first step
When coal oxygen ratio be 1: 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710530550.8A CN108296595A (en) | 2017-07-03 | 2017-07-03 | The treatment process of slabs made of steel defect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710530550.8A CN108296595A (en) | 2017-07-03 | 2017-07-03 | The treatment process of slabs made of steel defect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108296595A true CN108296595A (en) | 2018-07-20 |
Family
ID=62872631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710530550.8A Pending CN108296595A (en) | 2017-07-03 | 2017-07-03 | The treatment process of slabs made of steel defect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108296595A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112575227A (en) * | 2020-11-02 | 2021-03-30 | 抚顺特殊钢股份有限公司 | Manufacturing method of high-silicon nickel-based alloy cold-rolled sheet |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101402133A (en) * | 2008-11-13 | 2009-04-08 | 武汉钢铁(集团)公司 | High-efficiency method for clearing surface defect of continuous casting plate slab |
| CN202427914U (en) * | 2012-01-19 | 2012-09-12 | 宝山钢铁股份有限公司 | Continuous casting hand cleaning gun nozzle |
| KR20140034562A (en) * | 2012-09-12 | 2014-03-20 | 메탈젠텍 주식회사 | Apparatus for improving surface of cast strip and surface improving method thereof |
| CN103831412A (en) * | 2014-02-26 | 2014-06-04 | 钢铁研究总院 | Production method for controlling straight crack defect of surface edge of medium-thick plate |
| CN105772667A (en) * | 2014-12-23 | 2016-07-20 | 鞍钢股份有限公司 | Plate blank corner clearing device and method |
| CN106312239A (en) * | 2015-06-30 | 2017-01-11 | Posco公司 | Scarfing apparatus |
| CN106424623A (en) * | 2016-10-21 | 2017-02-22 | 东北大学 | Device and method for cleaning continuous casting slab through lateral-frontal sweeping |
-
2017
- 2017-07-03 CN CN201710530550.8A patent/CN108296595A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101402133A (en) * | 2008-11-13 | 2009-04-08 | 武汉钢铁(集团)公司 | High-efficiency method for clearing surface defect of continuous casting plate slab |
| CN202427914U (en) * | 2012-01-19 | 2012-09-12 | 宝山钢铁股份有限公司 | Continuous casting hand cleaning gun nozzle |
| KR20140034562A (en) * | 2012-09-12 | 2014-03-20 | 메탈젠텍 주식회사 | Apparatus for improving surface of cast strip and surface improving method thereof |
| CN103831412A (en) * | 2014-02-26 | 2014-06-04 | 钢铁研究总院 | Production method for controlling straight crack defect of surface edge of medium-thick plate |
| CN105772667A (en) * | 2014-12-23 | 2016-07-20 | 鞍钢股份有限公司 | Plate blank corner clearing device and method |
| CN106312239A (en) * | 2015-06-30 | 2017-01-11 | Posco公司 | Scarfing apparatus |
| CN106424623A (en) * | 2016-10-21 | 2017-02-22 | 东北大学 | Device and method for cleaning continuous casting slab through lateral-frontal sweeping |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112575227A (en) * | 2020-11-02 | 2021-03-30 | 抚顺特殊钢股份有限公司 | Manufacturing method of high-silicon nickel-based alloy cold-rolled sheet |
| CN112575227B (en) * | 2020-11-02 | 2021-12-07 | 抚顺特殊钢股份有限公司 | Manufacturing method of high-silicon nickel-based alloy cold-rolled sheet |
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| DD01 | Delivery of document by public notice |
Addressee: NANJING NANMEI METAL PROCESSING Co.,Ltd. Document name: Notification that Application Deemed to be Withdrawn |
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Addressee: Chen Hantao Document name: Notification of Passing Examination on Formalities |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180720 |
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| RJ01 | Rejection of invention patent application after publication |