CN203807569U - Electrolytic reaction control device for degrading slag oxidability - Google Patents
Electrolytic reaction control device for degrading slag oxidability Download PDFInfo
- Publication number
- CN203807569U CN203807569U CN201420172926.4U CN201420172926U CN203807569U CN 203807569 U CN203807569 U CN 203807569U CN 201420172926 U CN201420172926 U CN 201420172926U CN 203807569 U CN203807569 U CN 203807569U
- Authority
- CN
- China
- Prior art keywords
- anode
- control device
- cathode
- slag
- direct
- 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.)
- Expired - Fee Related
Links
Landscapes
- Treatment Of Steel In Its Molten State (AREA)
Abstract
The utility model provides an electrolytic reaction control device for degrading slag oxidability. The control device comprises a direct-current power supply control device, an anode lifting device, an anode, a cathode lifting device and a cathode, wherein the anode is mounted at the lower part of the anode lifting device; the cathode is mounted at the lower part of the cathode lifting device; the anode is connected with a direct-current power supply anode of the direct-current power supply control device through a lead; the cathode is connected with a direct-current power supply cathode of the direct-current power supply control device through another lead. The anode is inserted into top steel ladle slag, the cathode is inserted into molten steel, subsequently a stable direct-current electric field is applied to a slag molting molten steel system through a direct-current power supply through the anode and the cathode, then iron oxide in the slag is subjected to electrolytic reduction reaction, along with proceeding of the electrolytic reaction, FeO in the slag is constantly consumed till FeO is degraded to be of target content. By adopting the electrolytic reaction control device, the content of FeO in the top steel ladle slag can be reduced to less than 1% from about 20%, and secondary pollution to molten steel in the top slag modification process is effectively avoided.
Description
Technical field
The utility model belongs to process for making control device field, relates in particular to a kind of electrolytic reaction control device that reduces slag oxidation.
Background technology
In steel-making refining process, the oxidisability of top slag in ladle (FeO+MnO content, mainly taking FeO as main) has direct impact to molten steel component and steel cleanliness factor.As sulphur content required to harsh high-grade pipe line steel, before the dark desulfurization of LF refining, must control ladle top slag oxidisability, general top slag oxidizing need be controlled in 2%, stricter will be controlled in 1.5%, and this just requires must carry out modifying process to top slag before desulfurization.General modification agent all contains aluminium, and after upgrading, a large amount of inclusion of meeting output in molten steel, has a negative impact to steel cleanliness factor.And for producing ultra low-carbon steel, general production line is that rimming steel is produced in converter, reduce the carbon content of molten steel through vacuum refinement.More difficult to top slag upgrading in ladle in this route, existing method for modifying is to add modification agent in ladle top slag, provides dynamic conditions by the method for molten steel being carried out to argon bottom-blowing.But be made with so a lot of drawbacks, as upgrading after vacuum refinement, by the molten steel oxidation causing after refining; If upgrading before vacuum refinement, because molten steel oxygen level is high, top slag modifier reacts with the oxygen in molten steel, and upgrading effect is poor.If not upgrading, in casting cycle, the top slag of hyperoxia voltinism will cause secondary pollution to molten steel.
Summary of the invention
The utility model aims to provide one can effectively reduce slag oxidation, and avoids molten steel to cause the electrolytic reaction control device of secondary pollution.
For reaching this object, the utility model has been taked following technical solution:
The electrolytic reaction control device that reduces slag oxidation, comprises DC power control device, cathode lifting device, anode, cathode lifting device and negative electrode; The bottom of cathode lifting device is provided with anode, and the bottom of cathode lifting device is provided with negative electrode, and anode is connected with the DC power anode of DC power control device by wire, and negative electrode is connected with the DC power cathode of DC power control device by wire.
Described anode is refractory metal pottery, graphite or refractory metal, is shaped as right cylinder or flat board.
Described negative electrode adopts inside and outside two-layer composite structure, and outer for having refractory ceramics, the high temperature resistant cement of insulating property, internal layer is graphite, sintering metal or the refractory metal with high temperature resistant conduction property.
Using method of the present utility model is:
When ladle is transported to after electrolysis treatment station, the anode being connected on DC power anode is inserted in ladle top slag, control the position of anode in the slag of top, avoid anode to contact with molten steel; Again the negative electrode being connected on DC power cathode is inserted in molten steel through after the slag of top, and guarantee that negative electrode conducting position does not contact with top slag; Then by anode and negative electrode, slag molten steel system is applied to galvanic current field by direct supply, direct supply voltage control is at 1～100V, outward current is controlled at 10～2000A, the electrolytic reaction time is controlled in 30min, make ferriferous oxide generation electrolytic reduction reaction in slag, along with electrolytic reaction continue carry out, constantly consume the FeO in slag, until FeO in slag is down to target content.
The beneficial effects of the utility model are:
The utility model applies a galvanic current field by anode and the negative electrode of inserting in top slag and molten steel to slag molten steel system, ladle top slag FeO content can be down to below 1% by 20% left and right, and can effectively avoid the secondary pollution in the slag upgrading process of top, molten steel being caused.
Brief description of the drawings
Fig. 1 is that electrolytic reaction control device uses view.
In figure: cathode lifting device 1, anode 2, top slag 3, molten steel 4, ladle 5, cathode lifting device 6, negative electrode 7, DC power control device 8.
Embodiment
As seen from Figure 1, the utility model electrolytic reaction control device is mainly made up of cathode lifting device 1, anode 2, cathode lifting device 6, negative electrode 7 and DC power control device 8.The bottom of cathode lifting device 1 is provided with a graphite-rod anode 2, and anode 2 regulates the degree of depth of inserting slag 3 by cathode lifting device 1.The bottom of cathode lifting device 6 is provided with one negative electrode 7, the pole that negative electrode 7 is inside and outside two layer composite structure, and skin is enclosed with high temperature resistant cement, and inside is graphite rod; Negative electrode 7 regulates its lifting travel and position by cathode lifting device 6.Anode 2 is connected with the DC power anode of DC power control device 8 by wire, and negative electrode is connected with the DC power cathode of DC power control device 8 by wire.
When use, cathode lifting device 1 and anode 2 are installed on to ladle 5 positions, upper left side, cathode lifting device 6 and negative electrode 7 are installed in to ladle furnace 5 positions, upper right side, by cathode lifting device 1, anode 2 is inserted in the top slag 3 in ladle 5, control the position of anode 2 in top slag 3, avoid anode 2 to contact with molten steel 4.By cathode lifting device 6, negative electrode 7 is passed in the rear insertion molten steel 4 of top slag 3 again, and guarantee that the conducting position of negative electrode 7 does not contact with top slag 3.Then control and regulate direct supply by DC power control device 8, by anode 2 and negative electrode 7, slag molten steel system is applied to galvanic current field, thereby realize the oxidisability that had both reduced slag, prevent from again in the slag upgrading process of top, molten steel being caused the object of secondary pollution.
Claims (3)
1. an electrolytic reaction control device that reduces slag oxidation, is characterized in that, comprises DC power control device, cathode lifting device, anode, cathode lifting device and negative electrode; The bottom of cathode lifting device is provided with anode, and the bottom of cathode lifting device is provided with negative electrode, and anode is connected with the DC power anode of DC power control device by wire, and negative electrode is connected with the DC power cathode of DC power control device by wire.
2. the electrolytic reaction control device of reduction slag oxidation according to claim 1, is characterized in that, described anode is refractory metal pottery, graphite or refractory metal, is shaped as right cylinder or flat board.
3. the electrolytic reaction control device of reduction slag oxidation according to claim 1, it is characterized in that, described negative electrode adopts inside and outside two-layer composite structure, outer for having refractory ceramics, the high temperature resistant cement of insulating property, internal layer is graphite, sintering metal or the refractory metal with high temperature resistant conduction property.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420172926.4U CN203807569U (en) | 2014-04-11 | 2014-04-11 | Electrolytic reaction control device for degrading slag oxidability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420172926.4U CN203807569U (en) | 2014-04-11 | 2014-04-11 | Electrolytic reaction control device for degrading slag oxidability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203807569U true CN203807569U (en) | 2014-09-03 |
Family
ID=51446352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420172926.4U Expired - Fee Related CN203807569U (en) | 2014-04-11 | 2014-04-11 | Electrolytic reaction control device for degrading slag oxidability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203807569U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108360023A (en) * | 2018-02-13 | 2018-08-03 | 鞍钢股份有限公司 | A kind of method and device of magnalium complex deoxidization alloying |
| CN108359769A (en) * | 2018-02-13 | 2018-08-03 | 鞍钢股份有限公司 | A kind of method and device carrying out deoxidation alloying with silicon oxide-containing material |
| CN108411065A (en) * | 2018-02-13 | 2018-08-17 | 鞍钢股份有限公司 | A kind of method and device carrying out alloying of manganese using manganese ore |
-
2014
- 2014-04-11 CN CN201420172926.4U patent/CN203807569U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108360023A (en) * | 2018-02-13 | 2018-08-03 | 鞍钢股份有限公司 | A kind of method and device of magnalium complex deoxidization alloying |
| CN108359769A (en) * | 2018-02-13 | 2018-08-03 | 鞍钢股份有限公司 | A kind of method and device carrying out deoxidation alloying with silicon oxide-containing material |
| CN108411065A (en) * | 2018-02-13 | 2018-08-17 | 鞍钢股份有限公司 | A kind of method and device carrying out alloying of manganese using manganese ore |
| CN108360023B (en) * | 2018-02-13 | 2020-06-23 | 鞍钢股份有限公司 | Method and device for composite deoxidation alloying of aluminum and magnesium |
| CN108359769B (en) * | 2018-02-13 | 2020-06-23 | 鞍钢股份有限公司 | Method and device for deoxidizing and alloying silicon oxide-containing material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203807569U (en) | Electrolytic reaction control device for degrading slag oxidability | |
| CN103305747A (en) | Steel bar or steel claw section for electric conduction of electrolytic aluminum and manufacturing method of steel bar or steel claw section | |
| CN108360023B (en) | Method and device for composite deoxidation alloying of aluminum and magnesium | |
| CN104975132A (en) | Method of reducing oxidability of furnace slag with application of electric field | |
| CN108411065A (en) | A kind of method and device carrying out alloying of manganese using manganese ore | |
| CN104263880A (en) | Stainless steel smelting method applicable to high-phosphorus raw material | |
| CN103993132B (en) | The method of LF stove smelting low-nitrogen steel | |
| CN102296326B (en) | Magnetic shielding aluminum electrolytic cell | |
| MY159932A (en) | Cell bottom structure of reduction cell | |
| CN201660661U (en) | Pollution-free deoxidization CAS-OB refining device | |
| CN103727799B (en) | A kind of using method of large-sized DC electric arc furnaces melting continuously high titanium slag electrode adding set | |
| CN1264997C (en) | Electrochemical pollution-free metal liquid deoxygenating process | |
| CN202757437U (en) | Metallic copper smelting device capable of removing oxygen | |
| CN206328424U (en) | A kind of extra electric field tundish slag device for deoxidizing | |
| CN104195293A (en) | Erosion-resistant CAS-OB refining device for dipping cover | |
| CN102925931B (en) | Negative electrode rare earth molten salt electrolytic under submergence type is inserted in side | |
| CN210826386U (en) | Magnesium electrolytic tank | |
| CN202297678U (en) | Single-tank-cap double-tank-body vacuum degassing (VD) furnace | |
| CN203657467U (en) | Aluminum and aluminum alloy melting composite crucible for medium-frequency induction furnace | |
| CN207443163U (en) | A kind of graphite electrode with the long life | |
| CN201660669U (en) | Pollution-free deoxidized RH refining device | |
| CN105568321A (en) | Method for preparing titanium-iron alloy | |
| CN201660668U (en) | Pollution-free deoxidized VD refining device | |
| CN201660666U (en) | VD processing device with pollution-free deoxidization | |
| CN203373383U (en) | LF (low-frequency) refining deoxygenation device capable of improving liquid steel cleanliness |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20140903 Termination date: 20200411 |