CN102978323A - Multi-blade molten iron desulphurization stirring device - Google Patents
Multi-blade molten iron desulphurization stirring device Download PDFInfo
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- CN102978323A CN102978323A CN2012105478595A CN201210547859A CN102978323A CN 102978323 A CN102978323 A CN 102978323A CN 2012105478595 A CN2012105478595 A CN 2012105478595A CN 201210547859 A CN201210547859 A CN 201210547859A CN 102978323 A CN102978323 A CN 102978323A
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- stirring device
- iron desulphurization
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- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
The invention belongs to the field of desulphurization devices in the metallurgy casting industry and in particular relates to a multi-blade molten iron desulphurization stirring device. The multi-blade molten iron desulphurization stirring device comprises a flange connecting piece (1), a stirring shaft (2) fixedly connected with the flange connecting piece (1) and a stirring blade (4) fixedly connected with the lower part of the stirring shaft (2); spiral blades are fixedly arranged at the upper part of the stirring blade (4); an auxiliary stirring blade (6) is fixedly arranged at the bottom of the stirring blade (4); and a longitudinal deflection angle a of the vertical face of the stirring blade (4) is more than or equal to 10 degrees and less than or equal to 20 degrees. The multi-blade molten iron desulphurization stirring device provided by the invention is simple in structure, low in cost and long in service life, and a stirring head can operate under a low rotating speed condition.
Description
Technical field
The invention belongs to metallurgical casting industry desulfurizer field, relate in particular to a kind of multiple-blade molten iron desulphurization stirring device.
Background technology
Along with market to improving constantly that steel product quality requires, more and more harsh to the requirement of high strength, low-temperature flexibility, cold-formed property and the welding property of steel.For this requirement of satisfying the market, the Iron And Steel Industry of countries in the world all hardy by reducing impurity in the steel, particularly reduce the quality that the approach of sulphur content in the steel improves steel.
KR(Kambara Reactor) doctor treatment is a kind of molten iron desulfurizing method that adopts the mechanical stirring mode.When iron (steel) water carries out desulfurization in bag, add a certain amount of sweetening agent, and require it fully to mix, react with iron (steel) water.This just need to carry out mechanical stirring to iron (steel) water.Because KR(Kambara Reactor) desulfurization kinetics characteristic that stirring desulphurization is good, thereby obtain the extensive concern of domestic and international iron and steel enterprise.
A kind of mechanical stirring device is arranged at present, its stirring-head is made by refractory materials, be shaped as cruciform, namely around stirring-head, be provided with four agitating vanes, by the stirring of rotation realization to iron (steel) water, but above-mentioned stirring-head sweetening effectiveness is undesirable, for reaching corresponding desulfurization technology index, stirring-head often moves under higher rotation speed, has had a strong impact on the work-ing life of system.
Summary of the invention
The present invention is intended to overcome the deficiencies in the prior art part and provides a kind of simple in structure, and is with low cost, long service life, the multiple-blade molten iron desulphurization stirring device that stirring-head can move under low speed state.
For solving the problems of the technologies described above, the present invention realizes like this.
Multiple-blade molten iron desulphurization stirring device, it comprises flange connector, the stir shaft that is fixedly connected with described flange connector, the agitating vane affixed with the stir shaft bottom; Top at described agitating vane fixedly is furnished with screw-blade.
As a kind of preferred version, the present invention is fixed with auxiliary agitating vane in the bottom of described agitating vane.
As another kind of preferred version, the vertical drift angle 10o≤a of agitating vane facade of the present invention≤20o.
The present invention is simple in structure, and is with low cost, long service life, and stirring-head can move under low speed state.The present invention is by the screw-blade on employing agitating vane top and the auxiliary agitating vane structure design of agitating vane bottom, and under the prerequisite that keeps identical desulfuration efficiency, stirring-head can move under low speed state, thereby has saved a large amount of energy.The vertical drift angle 10o≤a of agitating vane facade≤20o also can guarantee not dross of blade body.
Description of drawings
The invention will be further described below in conjunction with the drawings and specific embodiments.Protection scope of the present invention not only is confined to the statement of following content.
Fig. 1 is one-piece construction synoptic diagram of the present invention.
Among the figure: 1, flange connector; 2, stir shaft; 4, agitating vane; 5, screw-blade; 6, auxiliary agitating vane.
Embodiment
As shown in the figure, multiple-blade molten iron desulphurization stirring device, it comprises flange connector 1, the stir shaft 2 that is fixedly connected with described flange connector 1, the agitating vane 4 affixed with stir shaft 2 bottoms; Top at described agitating vane 4 fixedly is furnished with screw-blade 5.
For increasing mixing effect, the present invention is fixed with auxiliary agitating vane 6 in the bottom of described agitating vane 4.
The vertical drift angle 10o≤a of agitating vane 4 facades of the present invention≤20o, the vertical drift angle a of facade is preferably 13 o
Screw-blade 5 of the present invention also has the function that makes in the sweetening agent pulvis degree of depth intrusion melt when work.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. multiple-blade molten iron desulphurization stirring device is characterized in that, the stir shaft (2) that comprises flange connector (1), is fixedly connected with described flange connector (1), the agitating vane (4) affixed with stir shaft (2) bottom; Fixedly is furnished with screw-blade (5) on the top of described agitating vane (4).
2. multiple-blade molten iron desulphurization stirring device according to claim 1 is characterized in that: be fixed with auxiliary agitating vane (6) in the bottom of described agitating vane (4).
3. multiple-blade molten iron desulphurization stirring device according to claim 2 is characterized in that: the vertical drift angle 10o≤a of described agitating vane (4) facade≤20o.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105478595A CN102978323A (en) | 2012-12-18 | 2012-12-18 | Multi-blade molten iron desulphurization stirring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105478595A CN102978323A (en) | 2012-12-18 | 2012-12-18 | Multi-blade molten iron desulphurization stirring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102978323A true CN102978323A (en) | 2013-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105478595A Pending CN102978323A (en) | 2012-12-18 | 2012-12-18 | Multi-blade molten iron desulphurization stirring device |
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| CN (1) | CN102978323A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106244759A (en) * | 2016-09-13 | 2016-12-21 | 武汉钢铁股份有限公司 | Mechanical agitation desulfuration method for desulfurizing iron pretreatment |
| CN106521095A (en) * | 2016-12-27 | 2017-03-22 | 营口东邦冶金设备耐材有限公司 | KR screw-type stirring device |
| CN107435085A (en) * | 2017-07-17 | 2017-12-05 | 武汉钢铁有限公司 | The efficient mixing agitator of desulfurizing iron |
| CN112011663A (en) * | 2020-08-31 | 2020-12-01 | 攀钢集团攀枝花钢铁研究院有限公司 | Composite molten iron desulphurization stirring head with blade cooling function |
-
2012
- 2012-12-18 CN CN2012105478595A patent/CN102978323A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106244759A (en) * | 2016-09-13 | 2016-12-21 | 武汉钢铁股份有限公司 | Mechanical agitation desulfuration method for desulfurizing iron pretreatment |
| CN106521095A (en) * | 2016-12-27 | 2017-03-22 | 营口东邦冶金设备耐材有限公司 | KR screw-type stirring device |
| CN107435085A (en) * | 2017-07-17 | 2017-12-05 | 武汉钢铁有限公司 | The efficient mixing agitator of desulfurizing iron |
| CN107435085B (en) * | 2017-07-17 | 2019-03-15 | 武汉钢铁有限公司 | The efficient mixing agitator of desulfurizing iron |
| CN112011663A (en) * | 2020-08-31 | 2020-12-01 | 攀钢集团攀枝花钢铁研究院有限公司 | Composite molten iron desulphurization stirring head with blade cooling function |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130320 |