CN204550682U - A kind of non-ferrous metal oxygen-enriched bottom-blowing oxygen lance - Google Patents
A kind of non-ferrous metal oxygen-enriched bottom-blowing oxygen lance Download PDFInfo
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- CN204550682U CN204550682U CN201520080993.8U CN201520080993U CN204550682U CN 204550682 U CN204550682 U CN 204550682U CN 201520080993 U CN201520080993 U CN 201520080993U CN 204550682 U CN204550682 U CN 204550682U
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- gun barrel
- base frame
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- fixed base
- ferrous metal
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Abstract
The utility model discloses a kind of non-ferrous metal oxygen-enriched bottom-blowing oxygen lance, comprise two-way flange assembly, fixed base frame, gun barrel adapter portion and the gun barrel refractory sections side of fixing plate; Described two-way flange assembly is bolted fixed base frame; Described fixed base frame is by being welded to connect fixing side's plate; Described gun barrel adapter portion and gun barrel refractory sections, by being welded to form oxygen lance assembly, are threaded connection two-way flange assembly and fixing square plate.The utility model has carried out rational design to the structure of spray gun and material, thus improves the work-ing life of spray gun, reduces cost, peace is torn open more convenient, and spray gun is convenient to after damaging change, and spray gun base can be reused, thus, reduce spray gun use cost, smelting cost is reduced.
Description
Technical field
The utility model includes non-ferrous metal oxygen bottom-blowing technology, is specifically related to a kind of non-ferrous metal oxygen-enriched bottom-blowing oxygen lance.
Background technology
The history of non-ferrous metals oxygen bottom-blown smelting technology at home and abroad existing two more than ten years, to refine plumbous technological development rapid for domestic oxygen bottom blowing in recent years.Bottom convertor is the key equipment of bottom-blown smelting, and oxygen blowing lance is the core technology in oxygen bottom-blowing technique.The work-ing life of spray gun is key issue, and spray gun index in work-ing life is very important.Extend spray gun work-ing life oxygen bottom blown furnace raising efficiency and reduction smelting cost to be significant.Research now compares the material that concentrates on oxygen rifle and structure, the flow characteristics of bottom blown gas, bottom blown gas by the problem of the aspect such as configuration of the kinetics caused by furnace bottom heating and thermodynamics, nozzle.
After Canada nationality Chinese Li Wode (Ssvad-Lee) invention protective medium makes oxygen rifle at high temperature work; the sixties in 20th century, first oxygen rifle obtained industrial application at oxygen bottom blown converter steel making, and oxygen rifle structure is along the track development of single tube → sleeve pipe → gas permeable brick → straight-through porous plug.Oxygen bottom blowing refining lead once used circular seam type or plane-of-weakness joint type bilayer sleeve oxygen rifle; It is plane-of-weakness joint type multilayer sleeve oxygen rifle that oxygen bottom blowing after industrialization refines plumbous.Plane-of-weakness joint type multilayer sleeve oxygen rifle is in fact the structure that a kind of micropore boundling and the line of rabbet joint combine.Boundling micropore walks oxygen, and the line of rabbet joint walks cooling gas.The air-flow of this structure ejection, bubble diameter is little, dispersity is high, whipping force is large, heat and mass is effective.
But, this structure due to the connection of lance tube and spray gun base be welded construction, once spray gun damage, need to change together with spray gun base, base can not be reused.In addition, according to the mechanism of nozzle dross, take oxygen lance strengthening cooling provision; cause the condition of dross, generate dross, spray gun termination and surrounding refractory brick and liquation thereof are separated; effectively protect the refractory brick of spray gun termination and surrounding thereof, the work-ing life of spray gun can be extended.Existing structure to spray gun cooling not, is difficult to form stable dross.
Summary of the invention
The utility model, for the problems referred to above, provides a kind of non-ferrous metal oxygen-enriched bottom-blowing oxygen lance.
The technical scheme in the invention for solving the above technical problem is: a kind of non-ferrous metal oxygen-enriched bottom-blowing oxygen lance, comprises two-way flange assembly, fixed base frame, gun barrel adapter portion and the gun barrel refractory sections side of fixing plate; Described two-way flange assembly is bolted fixed base frame; Described fixed base frame is by being welded to connect fixing side's plate; Described gun barrel adapter portion and gun barrel refractory sections, by being welded to form oxygen lance assembly, are threaded connection two-way flange assembly and fixing square plate.
Further, polytetrafluoroethylene sealing gasket circle is provided with between described two-way flange assembly and fixed base frame.
Further, external large flange, big syphon assembly is provided with above described gun barrel adapter portion; Described external large flange by big syphon assembly by being welded to connect fixed base frame; Red copper pad is provided with between described gun barrel adapter portion's outboard end and fixing square plate.
Further, little winding pipe assembly and external little flange is provided with below described gun barrel adapter portion; Described external little flange is connected and fixed pedestal by little winding pipe assembly.
Further, center is provided with in described fixed base frame; Center is threaded connection fixed base frame.
Further, described gun barrel adapter portion is provided with extension tube attached, middle adapter and inner connecting tube from outside to inside successively, is provided with location three calvus between described middle adapter and inner connecting tube, takes over and inner connecting tube in connecting.
Further, described gun barrel refractory sections is provided with outer tube, large floral tube, middle floral tube, little floral tube from outside to inside successively.
Advantage of the present utility model:
The utility model has carried out rational design to the structure of spray gun and material, thus improves the work-ing life of spray gun, reduces cost, peace is torn open more convenient, and spray gun is convenient to after damaging change, and spray gun base can be reused, thus, reduce spray gun use cost, smelting cost is reduced.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.Below with reference to figure, the utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the left view of the utility model embodiment;
Fig. 3 is the adapter portion sectional view of the utility model embodiment;
Fig. 4 is the refractory sections sectional view of the utility model embodiment.
Reference numeral:
1 be two-way flange assembly, 2 be bolt, 3 be seal washer, 4 be external large flange, 5 be big syphon assembly, 6 be fixing square plate, 7 be red copper pad, 8 be oxygen lance assembly, 9 be little winding pipe assembly, 12 be external little flange, 13 be gun barrel adapter portion, 14 be gun barrel refractory sections, 15 be extension tube attached, 16 be middle adapter, 17 be inner connecting tube, 18 be location three calvus, 19 be outer tube, 20 be large floral tube, 21 be middle floral tube, 22 be little floral tube for cover, 11 centered by fixed base frame, 10.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Referring to figs. 1 to Fig. 4, a kind of non-ferrous metal oxygen-enriched bottom-blowing oxygen lance as shown in Figures 1 to 4, comprises two-way flange assembly 1, fixed base frame 9, gun barrel adapter portion 13 and gun barrel refractory sections 14 side of fixing plate 6; Described two-way flange assembly 1 is connected and fixed pedestal 9 by bolt 2; Described fixed base frame 9 is by being welded to connect fixing side's plate 6; Described gun barrel adapter portion 13 and gun barrel refractory sections 14, by being welded to form oxygen lance assembly 8, are threaded connection two-way flange assembly 1 and fixing square plate 6.
Polytetrafluoroethylene sealing gasket circle 3 is provided with between described two-way flange assembly 1 and fixed base frame 9.
External large flange 4, big syphon assembly 5 is provided with above described gun barrel adapter portion 13; Described external large flange 4 by big syphon assembly 5 by being welded to connect fixed base frame 9; Red copper pad 7 is provided with between described gun barrel adapter portion 13 outboard end and fixing square plate 6.
Little winding pipe assembly 11 and external little flange 12 is provided with below described gun barrel adapter portion 13; Described external little flange 12 is connected and fixed pedestal 9 by little winding pipe assembly 11.
Center 10 is provided with in described fixed base frame 9; Center 10 is threaded connection fixed base frame 9.
Described gun barrel adapter portion 13 is provided with extension tube attached 15, middle adapter 16 and inner connecting tube 17 from outside to inside successively, is provided with location three calvus 18 between described middle adapter 16 and inner connecting tube 17, in order to adapter 16 and inner connecting tube 17 in connection.
Described gun barrel refractory sections 14 is provided with outer tube 19, large floral tube 20, middle floral tube 21, little floral tube 22 from outside to inside successively.
The utility model changes the connection between the base of spray gun and gun barrel, adopt between base with gun barrel and be threaded, sealing member is increased between linker, between fixing side's plate and gun barrel outer tube of the base near body of heater, adopt red copper to seal, PTFE stuffing materials is adopted between two-way flange and fixed base frame, like this, bearing under certain high temperature, sealing effectiveness can be played.
This structure can solve when deteriorating in gun barrel front end, and only can change gun barrel part, spray gun base can be reused.In order to realize this structure, except connection portion is changed, also to carrying out appropriate design to spray gun base portion, also can ensure when changing that for making gun barrel three layers of gun barrel are changed follower heads and flushed smoothly.Understructure adopts screw thread and solder bond, oxygen channel, cold gas passage, the mutually isolated sealing of aquaporin.
The utility model has carried out rational design to the structure of spray gun and material, thus improves the work-ing life of spray gun, reduces cost, peace is torn open more convenient, and spray gun is convenient to after damaging change, and spray gun base can be reused, thus, reduce spray gun use cost, smelting cost is reduced.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model,
All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. a non-ferrous metal oxygen-enriched bottom-blowing oxygen lance, is characterized in that, comprises the fixing square plate (6) of two-way flange assembly (1), fixed base frame (9), gun barrel adapter portion (13) and gun barrel refractory sections (14); Described two-way flange assembly (1) is connected and fixed pedestal (9) by bolt (2); Described fixed base frame (9) is by being welded to connect fixing side's plate (6); Described gun barrel adapter portion (13) and gun barrel refractory sections (14), by being welded to form oxygen lance assembly (8), are threaded connection two-way flange assembly (1) and fixing square plate (6).
2. non-ferrous metal oxygen-enriched bottom-blowing oxygen lance according to claim 1, is characterized in that, is provided with polytetrafluoroethylene sealing gasket circle (3) between described two-way flange assembly (1) and fixed base frame (9).
3. non-ferrous metal oxygen-enriched bottom-blowing oxygen lance according to claim 1, is characterized in that, described gun barrel adapter portion (13) top is provided with external large flange (4), big syphon assembly (5); Described external large flange (4) by big syphon assembly (5) by being welded to connect fixed base frame (9); Red copper pad (7) is provided with between described gun barrel adapter portion (13) outboard end and fixing square plate (6).
4. non-ferrous metal oxygen-enriched bottom-blowing oxygen lance according to claim 1, is characterized in that, described gun barrel adapter portion (13) below is provided with little winding pipe assembly (11) and external little flange (12); Described external little flange (12) is connected and fixed pedestal (9) by little winding pipe assembly (11).
5. non-ferrous metal oxygen-enriched bottom-blowing oxygen lance according to claim 1, is characterized in that, is provided with center (10) in described fixed base frame (9); Center (10) is threaded connection fixed base frame (9).
6. non-ferrous metal oxygen-enriched bottom-blowing oxygen lance according to claim 1, it is characterized in that, described gun barrel adapter portion (13) is provided with extension tube attached (15), middle adapter (16) and inner connecting tube (17) from outside to inside successively, be provided with location three calvus (18) between described middle adapter (16) and inner connecting tube (17), in connecting, take over (16) and inner connecting tube (17).
7. according to the arbitrary described non-ferrous metal oxygen-enriched bottom-blowing oxygen lance of claim 1-6, it is characterized in that, described gun barrel refractory sections (14) is provided with outer tube (19), large floral tube (20), middle floral tube (21), little floral tube (22) from outside to inside successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520080993.8U CN204550682U (en) | 2015-02-05 | 2015-02-05 | A kind of non-ferrous metal oxygen-enriched bottom-blowing oxygen lance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520080993.8U CN204550682U (en) | 2015-02-05 | 2015-02-05 | A kind of non-ferrous metal oxygen-enriched bottom-blowing oxygen lance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204550682U true CN204550682U (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520080993.8U Expired - Fee Related CN204550682U (en) | 2015-02-05 | 2015-02-05 | A kind of non-ferrous metal oxygen-enriched bottom-blowing oxygen lance |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106191469A (en) * | 2016-08-30 | 2016-12-07 | 中冶华天南京工程技术有限公司 | A kind of magnesium oxide spray gun |
| CN107354312A (en) * | 2017-09-12 | 2017-11-17 | 侯锦峰 | Four-way oxygen fine coal spray gun |
| CN107400785A (en) * | 2017-09-12 | 2017-11-28 | 侯锦峰 | Triple channel oxygen lance |
| CN109628754A (en) * | 2019-02-03 | 2019-04-16 | 包头华鼎铜业发展有限公司 | Copper making continuous-blowing furnace oxygen lance nozzle |
-
2015
- 2015-02-05 CN CN201520080993.8U patent/CN204550682U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106191469A (en) * | 2016-08-30 | 2016-12-07 | 中冶华天南京工程技术有限公司 | A kind of magnesium oxide spray gun |
| CN106191469B (en) * | 2016-08-30 | 2018-01-23 | 中冶华天南京工程技术有限公司 | A kind of magnesia spray gun |
| CN107354312A (en) * | 2017-09-12 | 2017-11-17 | 侯锦峰 | Four-way oxygen fine coal spray gun |
| CN107400785A (en) * | 2017-09-12 | 2017-11-28 | 侯锦峰 | Triple channel oxygen lance |
| CN109628754A (en) * | 2019-02-03 | 2019-04-16 | 包头华鼎铜业发展有限公司 | Copper making continuous-blowing furnace oxygen lance nozzle |
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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: 20150812 Termination date: 20170205 |