CN103243193A - Nitrogen sealing device of lower muzzle of steel converter - Google Patents
Nitrogen sealing device of lower muzzle of steel converter Download PDFInfo
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- CN103243193A CN103243193A CN2013101716902A CN201310171690A CN103243193A CN 103243193 A CN103243193 A CN 103243193A CN 2013101716902 A CN2013101716902 A CN 2013101716902A CN 201310171690 A CN201310171690 A CN 201310171690A CN 103243193 A CN103243193 A CN 103243193A
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- nitrogen
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- blocking
- seal
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Abstract
The invention relates to a nitrogen sealing device of the lower muzzle of a steel converter, and the nitrogen sealing device comprises a nitrogen sealing ring and a nitrogen sealing plug, wherein the nitrogen sealing plug is placed on the nitrogen sealing ring; the nitrogen sealing ring comprises an annular nitrogen chamber and a nitrogen inlet pipe arranged on the outer wall of the nitrogen chamber; the inner wall of the nitrogen chamber is provided with a conic lower sealing surface; the lower sealing surface is provided with a nitrogen hole; the nitrogen sealing plug comprises an annular nitrogen cavity and a baffle plate fixed at the bottom of the nitrogen sealing plug; the outer wall of the nitrogen cavity is provided with a conic upper sealing surface matched with the lower sealing surface; a nitrogen inlet is arranged on the upper sealing surface; the upper sealing surface is hermetically matched with the lower sealing surface; the nitrogen hole just faces the nitrogen inlet; and the inner wall of the nitrogen cavity is provided with a first nitrogen jet orifice, and the bottom of the nitrogen cavity is provided with a second nitrogen jet orifice.
Description
Technical field
The invention belongs to the packing technique of converter oxygen gun, relate to the nitrogen seal device of muzzle under a kind of steel-making converter.
Background technology
The muzzle nitrogen seal device is the important device of banking up a fire of converter oxygen gun mouth under the steel-making converter, also is the important device that effectively guarantees dust removing effects, guarantees the normal use of oxygen rifle dolly.Under the existing converter burn with anger in the muzzle position, flue dust is serious, and the nitrogen usage quantity is very high, and dust removing effects is very poor, power house environment is quite abominable, and oxygen rifle dolly places under the hot environment for a long time, and locating device can produce distortion, problem such as loosening, and oxygen rifle equipment life cycle is short.
Summary of the invention
The purpose of this invention is to provide muzzle nitrogen seal device under a kind of steel-making converter, muzzle is burned with anger seriously to solve down, the nitrogen loss is big, the problem of sealing effectiveness difference.
The muzzle nitrogen seal device can be placed on the nitrogen blocking that forms sealing in the described nitrogen seal by a nitrogen seal and one and constitutes under the steel-making converter of the present invention, wherein:
Described nitrogen seal is fixed on the oxygen muzzle position place of converter, several that comprise that the nitrogen chamber and being arranged on of an annular is communicated with on the nitrogen chamber outer wall, with nitrogen chamber advance nitrogen tube, the inwall of described nitrogen chamber is provided with a conical lower sealing surface, in described lower sealing surface some nitrogen pores perpendicular to described lower sealing surface is set;
Described nitrogen blocking is movably arranged on the oxygen rifle, the nitrogen chamber that comprises an annular, and be fixed on bottom the nitrogen blocking, be used for supporting the baffle plate of oxygen rifle outer wall block, the outer wall in described nitrogen chamber is provided with the conical trim of going up that cooperates with described nitrogen seal lower sealing surface, and be provided with at last trim and somely advance the nitrogen mouth perpendicular to trim on described, inwall in described nitrogen chamber is provided with some first nitrogen spray orifices perpendicular to nitrogen blocking medullary ray, and the bottom in nitrogen chamber is provided with the second nitrogen spray orifice of some oblique nitrogen blocking medullary rays;
Described nitrogen blocking is placed in the nitrogen seal, and last trim and lower sealing surface are sealed and matched, and nitrogen pore aligns into nitrogen mouth, and nitrogen chamber is communicated with the nitrogen chamber.
Preferably, the present invention is arranged to annular slotted hole with the nitrogen mouth that advances on the nitrogen blocking nitrogen cavity outer wall, like this, and when the nitrogen blocking is placed in the nitrogen seal, even if the nitrogen blocking has certain rotation, can guarantee that also the nitrogen mouth that advances in the nitrogen seal can be to the nitrogen pore in the ortho-nitrogen seal.
And then the present invention also inwall in the nitrogen chamber is provided with some cyclic reinforcing ribs, to increase the intensity of nitrogen blocking.
Nitrogen seal device of the present invention has increased a nitrogen blocking in the nitrogen seal, reduced time muzzle size, the mode of blowing is made the nitrogen plane into plane to blowing with compound to blowing the pattern of banking up a fire to what blow downwards simultaneously, not only having solved time muzzle burns with anger, smolders serious, the little vehicle device of oxygen rifle is in the problem of damaging under the hot environment for a long time, also solve simultaneously the big problem of nitrogen loss, effectively reduced the nitrogen consumption of converter smelting, significantly improved in-situ production environment.
Description of drawings
Fig. 1 is the structural representation of muzzle nitrogen seal device under the steel-making converter of the present invention.
Fig. 2 is the structural representation of nitrogen seal 1 among Fig. 1.
Fig. 3 is the structural representation of nitrogen blocking 2 among Fig. 1.
Fig. 4 is the upward view of Fig. 3.
Embodiment
Muzzle nitrogen seal device structure is made of a nitrogen seal 1 and a nitrogen blocking 2 as shown in Figure 1 under the steel-making converter of the present invention, and wherein nitrogen blocking 2 can be placed in the nitrogen seal 1, the common sealing that forms muzzle under the steel-making converter.
Nitrogen seal 1 is fixed on the oxygen muzzle position place of converter, its structure such as Fig. 2, comprise the nitrogen chamber 11 of an annular and be arranged on nitrogen chamber 11 outer walls, be communicated with nitrogen chamber several advance nitrogen tube 14.Inwall in nitrogen chamber 11 is provided with a conical lower sealing surface 13, and some nitrogen pores 12 perpendicular to described lower sealing surface are set on the lower sealing surface 13.
Nitrogen blocking 2 is movably arranged on the oxygen rifle, and its structure such as Fig. 3 comprise the nitrogen chamber 21 of an annular, and is fixed on nitrogen blocking 2 bottoms, is used for supporting the baffle plate 26 of oxygen rifle outer wall block.The outer wall in nitrogen chamber 21 is provided with the conical trim 27 of going up that cooperates with above-mentioned nitrogen seal 1 lower sealing surface 13, and is provided with at last trim 27 and somely advances nitrogen mouth 22 perpendicular to trim on described.As shown in Figure 4, advance the annular slotted hole that is shaped as of nitrogen mouth 22.Inwall in nitrogen chamber 21 is provided with some first nitrogen spray orifices 23 perpendicular to nitrogen blocking medullary ray, and the bottom in nitrogen chamber is provided with the second nitrogen spray orifice 24 of some oblique nitrogen blocking medullary rays.The inwall in nitrogen chamber 21 is provided with the stiffening web 25 of some ring-types.
Nitrogen blocking 2 is downward with the oxygen rifle, and the through hole by nitrogen seal 1 middle part enters under the steel-making converter in the muzzle, and nitrogen blocking 2 is placed in the nitrogen seal 1, and last trim 27 is sealed and matched with lower sealing surface 13, and nitrogen seal 1 top through hole is effectively sealed.Owing to advance nitrogen mouth 22 for annular slotted hole, can nitrogen chamber 11 is communicated with nitrogen chamber 21 to the nitrogen pore 12 in the ortho-nitrogen seal 1.External nitrogen enters in the nitrogen chamber 11 by advancing nitrogen tube 14, enters in the nitrogen chamber 21 along Fig. 1 direction of arrow, discharges from nitrogen chamber 21 along the direction of arrow again, reaches sealing flame and cool effect.
Claims (3)
1. muzzle nitrogen seal device under the steel-making converter is characterized in that can be placed on the nitrogen blocking that forms sealing in the described nitrogen seal by a nitrogen seal and one constitutes, wherein,
Described nitrogen seal is fixed on the oxygen muzzle position place of converter, several that comprise that the nitrogen chamber and being arranged on of an annular is communicated with on the nitrogen chamber outer wall, with nitrogen chamber advance nitrogen tube, the inwall of described nitrogen chamber is provided with a conical lower sealing surface, in described lower sealing surface some nitrogen pores perpendicular to described lower sealing surface is set;
Described nitrogen blocking is movably arranged on the oxygen rifle, the nitrogen chamber that comprises an annular, and be fixed on bottom the nitrogen blocking, be used for supporting the baffle plate of oxygen rifle outer wall block, the outer wall in described nitrogen chamber is provided with the conical trim of going up that cooperates with described nitrogen seal lower sealing surface, and be provided with at last trim and somely advance the nitrogen mouth perpendicular to trim on described, inwall in described nitrogen chamber is provided with some first nitrogen spray orifices perpendicular to nitrogen blocking medullary ray, and the bottom in nitrogen chamber is provided with the second nitrogen spray orifice of some oblique nitrogen blocking medullary rays;
Described nitrogen blocking is placed in the nitrogen seal, and last trim and lower sealing surface are sealed and matched, and nitrogen pore aligns into nitrogen mouth, and nitrogen chamber is communicated with the nitrogen chamber.
2. muzzle nitrogen seal device under the steel-making converter according to claim 1 is characterized in that the nitrogen mouth that advances on the described nitrogen cavity outer wall is annular slotted hole.
3. muzzle nitrogen seal device under the steel-making converter according to claim 1 is characterized in that the inwall in the nitrogen chamber is provided with some cyclic reinforcing ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101716902A CN103243193A (en) | 2013-05-11 | 2013-05-11 | Nitrogen sealing device of lower muzzle of steel converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101716902A CN103243193A (en) | 2013-05-11 | 2013-05-11 | Nitrogen sealing device of lower muzzle of steel converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103243193A true CN103243193A (en) | 2013-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101716902A Pending CN103243193A (en) | 2013-05-11 | 2013-05-11 | Nitrogen sealing device of lower muzzle of steel converter |
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| CN (1) | CN103243193A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106399623A (en) * | 2016-05-24 | 2017-02-15 | 江苏永钢集团有限公司 | Oxygen lance nitrogen sealing plug |
| CN109266808A (en) * | 2018-10-22 | 2019-01-25 | 中冶赛迪技术研究中心有限公司 | The synthesis cognitive method of converter |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60187612A (en) * | 1984-03-07 | 1985-09-25 | Nippon Steel Corp | Sealing device for lance of converter waste gas treating device |
| JPH0474816A (en) * | 1990-07-13 | 1992-03-10 | Nippon Steel Corp | Device for sealing lance hole in pressurizing type converter exhaust gas treating apparatus |
| JPH07118724A (en) * | 1993-10-19 | 1995-05-09 | Nippon Steel Corp | Method for sealing lance hole of converter and device therefor |
| CN201660658U (en) * | 2010-04-16 | 2010-12-01 | 中冶赛迪工程技术股份有限公司 | Oxygen lance nitrogen sealing device |
| CN102181600A (en) * | 2011-05-24 | 2011-09-14 | 中冶京诚工程技术有限公司 | Follow-up oxygen lance nitrogen seal device |
| CN202279835U (en) * | 2011-10-13 | 2012-06-20 | 中冶华天工程技术有限公司 | Combined type nitrogen seal cap for oxygen lance |
| CN202786315U (en) * | 2012-08-23 | 2013-03-13 | 河北钢铁股份有限公司唐山分公司 | Improved oxygen lance nitrogen seal device |
-
2013
- 2013-05-11 CN CN2013101716902A patent/CN103243193A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60187612A (en) * | 1984-03-07 | 1985-09-25 | Nippon Steel Corp | Sealing device for lance of converter waste gas treating device |
| JPH0474816A (en) * | 1990-07-13 | 1992-03-10 | Nippon Steel Corp | Device for sealing lance hole in pressurizing type converter exhaust gas treating apparatus |
| JPH07118724A (en) * | 1993-10-19 | 1995-05-09 | Nippon Steel Corp | Method for sealing lance hole of converter and device therefor |
| CN201660658U (en) * | 2010-04-16 | 2010-12-01 | 中冶赛迪工程技术股份有限公司 | Oxygen lance nitrogen sealing device |
| CN102181600A (en) * | 2011-05-24 | 2011-09-14 | 中冶京诚工程技术有限公司 | Follow-up oxygen lance nitrogen seal device |
| CN202279835U (en) * | 2011-10-13 | 2012-06-20 | 中冶华天工程技术有限公司 | Combined type nitrogen seal cap for oxygen lance |
| CN202786315U (en) * | 2012-08-23 | 2013-03-13 | 河北钢铁股份有限公司唐山分公司 | Improved oxygen lance nitrogen seal device |
Non-Patent Citations (1)
| Title |
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| 张亚男等: "新气封技术在60t转炉的应用", 《钢铁研究》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106399623A (en) * | 2016-05-24 | 2017-02-15 | 江苏永钢集团有限公司 | Oxygen lance nitrogen sealing plug |
| CN109266808A (en) * | 2018-10-22 | 2019-01-25 | 中冶赛迪技术研究中心有限公司 | The synthesis cognitive method of converter |
| CN109266808B (en) * | 2018-10-22 | 2020-12-22 | 中冶赛迪技术研究中心有限公司 | Comprehensive sensing method for converter |
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Application publication date: 20130814 |