CN1724193A - Method for baking immersing type water gap of continuous casting ladle - Google Patents
Method for baking immersing type water gap of continuous casting ladle Download PDFInfo
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- CN1724193A CN1724193A CN 200510050711 CN200510050711A CN1724193A CN 1724193 A CN1724193 A CN 1724193A CN 200510050711 CN200510050711 CN 200510050711 CN 200510050711 A CN200510050711 A CN 200510050711A CN 1724193 A CN1724193 A CN 1724193A
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- China
- Prior art keywords
- tundish
- baking
- continuous casting
- submersed nozzle
- water gap
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- 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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- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
A method for baking the immersion water gap of the continuous casting tundish features that the immersion water gap is installed on the top of the tundish, and then is baked by gas flame while introducing the compressed air in the tundish via the bottom of immersion water gap. Its advantages are high baking effect and low cost.
Description
Technical field:
The present invention relates to the baking method of the middle submersed nozzle of continuous casting in a kind of iron and steel enterprise production process, belong to the technical field of Ferrous Metallurgy.
Background technology:
Continuous casting tundish submersed nozzle is a kind of steel stream protective casing that is used between tundish and the crystallizer, to prevent to be injected by tundish the molten steel oxidation by air of crystallizer, influences the quality of steel billet.For prevent that submersed nozzle from explosion taking place when pouring into a mould, it must toast before use, with the moisture that contains in the material of removing submersed nozzle, ensures carrying out smoothly of producing.At present, the baking of continuous casting tundish submersed nozzle is toasted from the bottom of submersed nozzle with jet for gas mostly, this baking method is more serious to the waste of coal gas, and needs the raising baking temperature just can reach the baking requirement.At the problems referred to above, in recent years, some have also occurred and be used for toasting the roaster of tundish submersed nozzle specially, but its equipment complexity costs an arm and a leg, increased the production cost of enterprise.
Summary of the invention:
The objective of the invention is to: a kind of baking method of continuous casting tundish submersed nozzle is provided, makes in this way, can save coal gas, and do not need to increase in addition special roasting plant, to overcome the deficiency that prior art exists.
The present invention is achieved in that it is contained in submersed nozzle on the filling pipe end of tundish and toasts with coal gas combustion flame, and feeds compressed air by the bottom of submersed nozzle in tundish when baking; Described compressed-air actuated pressure is not less than 0.7Mpa, and flow is not less than 25NM
3/ h.
Because the present invention directly is contained in submersed nozzle on the filling pipe end of tundish, in the baking tundish, submersed nozzle is toasted, do not need separately submersed nozzle to be toasted, saved coal gas; Simultaneously, when baking the bottom by submersed nozzle in tundish, feed compressed air so that the flame of jet for gas can enter into submersed nozzle under compressed-air actuated pressure submersed nozzle is toasted, to reach desirable cured effect, for the flame that guarantees jet for gas can enter into submersed nozzle fully, compressed-air actuated pressure must be not less than 0.7Mpa, and flow is not less than 25NM
3/ h.Therefore compared with prior art, the present invention have save coal gas, cured effect good, need not increase extra roasting plant, advantage that production cost is low.
The specific embodiment:
Embodiments of the invention 1: to three stream caster machines, before baking, three tundish submersed nozzles of 1,2,3 streams are contained in respectively on the corresponding tundish upper nozzle, and in tundish, feed compressed air by the bottom of every submersed nozzle by sebific duct, the switch that turns on the gas-fire is then lighted jet for gas, tundish is toasted get final product, wherein employed compressed-air actuated pressure is not less than 0.7Mpa, and flow is not less than 25NM
3/ h.
Embodiments of the invention 2: to four stream caster machines, before baking, four tundish submersed nozzles of 1,2,3,4 streams are contained in respectively on the corresponding tundish upper nozzle, and in tundish, feed compressed air by the bottom of every submersed nozzle by sebific duct, the switch that turns on the gas-fire is then lighted jet for gas, tundish is toasted get final product, wherein employed compressed-air actuated pressure is not less than 0.7Mpa, and flow is not less than 25NM
3/ h.
Claims (2)
1, a kind of baking method of continuous casting tundish submersed nozzle is characterized in that: it is contained in submersed nozzle on the filling pipe end of tundish and toasts with coal gas combustion flame, and feeds compressed air by the bottom of submersed nozzle in tundish when baking.
2, the baking method of continuous casting tundish submersed nozzle according to claim 1 is characterized in that: described compressed-air actuated pressure is not less than 0.7Mpa, and flow is not less than 25NM
3/ h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510050711 CN1724193A (en) | 2005-07-14 | 2005-07-14 | Method for baking immersing type water gap of continuous casting ladle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510050711 CN1724193A (en) | 2005-07-14 | 2005-07-14 | Method for baking immersing type water gap of continuous casting ladle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1724193A true CN1724193A (en) | 2006-01-25 |
Family
ID=35923898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510050711 Pending CN1724193A (en) | 2005-07-14 | 2005-07-14 | Method for baking immersing type water gap of continuous casting ladle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1724193A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101683684B (en) * | 2008-09-26 | 2012-08-08 | 鞍钢股份有限公司 | Tundish cold casting method |
| CN103525970A (en) * | 2013-10-17 | 2014-01-22 | 四川金广实业（集团）股份有限公司 | Production process for suppressing peeling of hot rolled steel strips of 304 austenitic stainless steel |
-
2005
- 2005-07-14 CN CN 200510050711 patent/CN1724193A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101683684B (en) * | 2008-09-26 | 2012-08-08 | 鞍钢股份有限公司 | Tundish cold casting method |
| CN103525970A (en) * | 2013-10-17 | 2014-01-22 | 四川金广实业（集团）股份有限公司 | Production process for suppressing peeling of hot rolled steel strips of 304 austenitic stainless steel |
| CN103525970B (en) * | 2013-10-17 | 2015-02-18 | 四川金广实业（集团）股份有限公司 | Production process for suppressing peeling of hot rolled steel strips of 304 austenitic stainless steel |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |