CN2895431Y - Molten iron pretreatment desulfurizing magnesium-spraying gun - Google Patents
Molten iron pretreatment desulfurizing magnesium-spraying gun Download PDFInfo
- Publication number
- CN2895431Y CN2895431Y CN 200620114268 CN200620114268U CN2895431Y CN 2895431 Y CN2895431 Y CN 2895431Y CN 200620114268 CN200620114268 CN 200620114268 CN 200620114268 U CN200620114268 U CN 200620114268U CN 2895431 Y CN2895431 Y CN 2895431Y
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- CN
- China
- Prior art keywords
- molten iron
- magnesium
- pipe
- pipeline
- desulphurization
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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.)
- Expired - Fee Related
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- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
The utility model belongs to the field of an apparatus for molten iron desulphurization, in particular relates to a lance with agent for desulphurization and magnesium injection in the pretreatment of molten iron. The apparatus is characterized in that the utility model comprises a pipe(1), a bulk of the lance(2), a refractory layer(4) located on the outside of the pipe(1),and a skeleton(3) provided outside the pipe but within the refractory layer. The pipe(1) is connected with the refractory layer(4) through the skeleton(3). The outlet of the pipe(1) can be equipped with the refractory cylinders(5). The outlet of the pipe (1) has the structure of a bell mouth columnar. The utility model is characterized in its simple structure, high utilization rate of desulfurizer, low operation costs, and good performance of desulphurization. The apparatus may stably introduce granular magnesium into molten iron, resulting in very high desulphurization indexes.
Description
Technical field
The invention belongs to desulfurizing iron treatment unit category, particularly a kind of molten iron pretreatment desulfurizing magnesium-spraying gun.
Background technology
All there are high, the shortcomings such as sorbent utilization is low, spray gun body heaviness, equipment cost height of material consumption in existing molten iron desulfuring spray gun.The said structure defective has directly caused the rising of desulphurization cost.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of simple in structure, sorbent utilization is high, working cost is cheap, sweetening effectiveness is good molten iron desulfuring spray gun.
Technical solution of the present invention can realize according to following mode:
A kind of molten iron pretreatment desulfurizing magnesium-spraying gun, it contains: pipeline, gun body, be positioned at the pipeline outside refractory masses, be attached to the skeleton that pipeline places refractory masses outward again; Described pipeline connects through skeleton and refractory masses.
As a kind of preferred version, the outlet of pipeline of the present invention can be furnished with refractory sleeve.
The outlet of pipeline of the present invention can be the hydraucone structure.
The present invention is simple in structure, sorbent utilization is high, working cost is cheap, sweetening effectiveness is good, can be stably imports particle magnesium in the molten iron and obtains very high desulfurization index.
Description of drawings
The invention will be further described below in conjunction with the drawings and specific embodiments.
Fig. 1 is one embodiment of the present invention structural representation;
Fig. 2 is the another embodiment of the invention structural representation;
Fig. 3 is the third embodiment structural representation of the present invention.
Embodiment
As shown in Figure 1, 2, molten iron pretreatment desulfurizing magnesium-spraying gun, contain: pipeline 1, gun body 2, be positioned at pipeline 1 outside refractory masses 4, be attached to the outer skeleton 3 that places refractory masses 4 again of pipeline 1; Described pipeline 1 connects through skeleton 3 and refractory masses 4.For improving work-ing life, the outlet of pipeline 1 of the present invention can be furnished with refractory sleeve 5 (as Fig. 2).According to actual needs, the outlet of pipeline 1 of the present invention can be designed to hydraucone structure (as Fig. 3).
Pipeline 1 of the present invention is used to carry magnesia mixture, and skeleton 3 and gun body 2 all adopt steel material.Refractory sleeve 5 can prevent that the pipe of pipeline 1 from directly contacting with molten iron.The performance that the anti-molten iron of refractory sleeve material soaks into is fine, and very high anti-rapid heat cycle intensity is arranged, and this has stable geometrical shape with regard to the pipeline that has guaranteed spray gun exit when jetting magnesia mixture in molten iron.When heavy wear, can change a new refractory sleeve rapidly and needn't change the very expensive whole spray gun of price.The length of refractory sleeve 5 is generally 2～8 times of pipeline 1 internal diameter, if pipeline 1 just may directly contact with molten iron during less than 2 times, and the replacing refractory sleeve is had any problem during greater than 8 times, thereby all unreasonable.Certainly, also can not adopt refractory sleeve 5 under special circumstances.
Confess gas by the flexible pipe on desulphurization spray gun top from spray magnesium jar in the hot metal ladle of the molten iron of packing into earlier during this device busy, flow is by per hour 15～30 cubic metres, earlier to the bath surface air feed.After then desulphurization spray gun being inserted the degree of depth that reaches necessary in the molten iron, in spray gun, confess magnesia mixture and be imported in the molten iron through leading the magnesium pipeline, provide magnesia inventory and control by 1-3 kilogram/ton iron by spray magnesium can system.
Claims (3)
1, a kind of molten iron pretreatment desulfurizing magnesium-spraying gun is characterized in that, contains: pipeline (1), gun body (2), be positioned at pipeline (1) outside refractory masses (4), be attached to the outer skeleton (3) that places refractory masses (4) again of pipeline (1); Described pipeline (1) connects through skeleton (3) and refractory masses (4).
2, molten iron pretreatment desulfurizing magnesium-spraying gun according to claim 1 is characterized in that: the outlet of described pipeline (1) can be furnished with refractory sleeve (5).
3, molten iron pretreatment desulfurizing magnesium-spraying gun according to claim 1 and 2 is characterized in that: the outlet of described pipeline (1) is the hydraucone structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620114268 CN2895431Y (en) | 2006-04-15 | 2006-04-15 | Molten iron pretreatment desulfurizing magnesium-spraying gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620114268 CN2895431Y (en) | 2006-04-15 | 2006-04-15 | Molten iron pretreatment desulfurizing magnesium-spraying gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2895431Y true CN2895431Y (en) | 2007-05-02 |
Family
ID=38065011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620114268 Expired - Fee Related CN2895431Y (en) | 2006-04-15 | 2006-04-15 | Molten iron pretreatment desulfurizing magnesium-spraying gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2895431Y (en) |
-
2006
- 2006-04-15 CN CN 200620114268 patent/CN2895431Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Yingkou Dongbang Metallurgical Refractory Co., Ltd. Assignor: Liu Dongye Contract fulfillment period: 2007.5.2 to 2012.5.2 Contract record no.: 2008210000052 Denomination of utility model: Molten iron pretreatment desulfurizing magnesium-spraying gun Granted publication date: 20070502 License type: Exclusive license Record date: 20081105 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2007.5.2 TO 2012.5.2; CHANGE OF CONTRACT Name of requester: YINGKOU DONGBANG METALLURGY EQUIPMENT REFRACTORIES Effective date: 20081105 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070502 Termination date: 20140415 |