CN106288814A - A kind of immersion lance head - Google Patents
A kind of immersion lance head Download PDFInfo
- Publication number
- CN106288814A CN106288814A CN201610770823.1A CN201610770823A CN106288814A CN 106288814 A CN106288814 A CN 106288814A CN 201610770823 A CN201610770823 A CN 201610770823A CN 106288814 A CN106288814 A CN 106288814A
- Authority
- CN
- China
- Prior art keywords
- section
- submergence
- lance head
- radiating subassembly
- linkage section
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/16—Introducing a fluid jet or current into the charge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/16—Introducing a fluid jet or current into the charge
- F27D2003/168—Introducing a fluid jet or current into the charge through a lance
- F27D2003/169—Construction of the lance, e.g. lances for injecting particles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2003/00—Type of treatment of the charge
- F27M2003/13—Smelting
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Coating By Spraying Or Casting (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
One immersion lance head of the present invention, including submergence section, linkage section and support radiating subassembly, submergence section and linkage section are tubular structure, submergence section is sleeved on linkage section end portion, supporting radiating subassembly be fixedly mounted on linkage section upper part and be resisted against submergence section upper surface, submergence section is ceramic material.By using high temperature resistant, resistant to corrosion and there is the ceramic material submergence section as lance head of good thermal shock resistance, it is effectively increased the life-span of lance head.Carrying out spacing by supporting radiating subassembly to submergence section, the submergence section that effectively solution submergence section and linkage section are mechanically connected and bring rocks problem.
Description
Technical field
The present invention relates to metal smelt technical field, particularly relate to the lance driving device in metal smelt.
Background technology
In nonferrous metallurgy industry, top blast stove is a kind of metallurgical furnace kiln smelting multiclass metallic ore, and wherein oxygen-enriched top blowing produces
Technology uses extensively, and it is primarily adapted for use in the processes such as the fusing of non-ferrous metal raw material, sulfuration, oxidoreduction.Oxygen-enriched top blowing stove master
Oxygen-enriched top blowing immersion lance technology to be used, this technology is a kind of production skill relatively advanced in colored metallurgical industrial
Art.Worldwide oneself builds up and has reached tens sets at the stove built top-submerged lance melting technique, for copper, lead, zinc,
In the smeltings such as stannum, nickel, aluminium fluoride, platinum group metal, the pig iron and aid system.But at present in fusion process, because of melt wash away, high
The temperature complicated factor such as erosions, vibration impact, cause in production spray gun due to welding gun head come off or scaling loss seriously, cause melt
Seethe weak effect even to can not form and seethe, cause normal chemical reaction and thermal balance to be destroyed, easily cause foamed slag,
The technology accidents such as working of a furnace deterioration even dead stove.So, once find that lance head comes off or deteriorates serious, it is necessary to interrupt blowing
Change spray gun in time.At present lance head almost all uses metal material, owing to metal tolerance melt washes away and high temperature erosion
Ability is more weak, so service life of lance is short.Change lance head to not cause technology accident to need frequently, change to again from carrying rifle
Blowing typically at least needs the time of 1 hour, thus causes bigger loss.
Summary of the invention
In view of this, the invention provides a kind of immersion lance head, the problem short to solve service life of lance.
A kind of immersion lance head of the present invention, including submergence section, linkage section and support radiating subassembly, submergence section and connection
Section is tubular structure, and submergence section is sleeved on described linkage section end portion, and described support radiating subassembly is installed on described linkage section
Upper end is also resisted against described submergence section upper surface.
Preferably, the outside wall surface of described submergence section upper end has a bigger boss structure of external diameter, under described linkage section
The internal face of end has a less boss structure of internal diameter, the lower surface of the boss structure of described submergence section and described linkage section
The upper surface of boss structure offset, form bridging arrangement, described submergence section be sleeved in described linkage section.
Preferably, described boss structure can be continuous structure, it is also possible to for discontinuous structure.
Preferably, the ceramic material of described submergence section is selected from Quartz ceramic material, quartz-matrix ceramic composite material, carbonization
Silicon-based ceramic material or aluminum oxide ceramic material.
Preferably, described linkage section and described support radiating subassembly are heat-resisting steel material.
Preferably, the fit-up gap of described submergence section and described linkage section is filled with nonmetal heatproof material.
Preferably, described nonmetal heatproof material is heat-resistant felt.
Preferably, described support radiating subassembly includes support component and a radiating subassembly, and described support component is circulus,
Described radiating subassembly is tooth slice structure, and described radiating subassembly is uniformly arranged on the annular upper end face of described support component.
Preferably, described radiating subassembly and described support component are respectively by being fixedly welded on the inwall of described linkage section.
Preferably, the lower surface of described support component is resisted against described submergence section upper surface.
Using technique scheme, the present invention at least can obtain following technique effect:
Submergence section of the present invention uses high temperature resistant, resistant to corrosion and has the ceramic material of good thermal shock resistance as leaching
The material of the section of not having, can be effectively improved the service life of lance head；Support radiating subassembly and be resisted against submergence section end face, it is possible to leaching
The section of there not being carries out spacing, effectively weakens the submergence section brought because submergence section is mechanically connected with linkage section and rocks problem；Support heat radiation
Components welding is fixed in linkage section, can strengthen the bonding strength supporting radiating subassembly with linkage section, effectively alleviate linkage section
Degree of crook, it is to avoid spray gun because of overbending is stuck in gun slot and can not the problem of normal hoisting.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, institute in the embodiment of the present invention being described below
The accompanying drawing used is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is only some enforcements of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to implements according to the present invention
The content of example and these accompanying drawings obtain other accompanying drawing.
Fig. 1 is the structural representation of a kind of immersion lance head of the present invention；
Fig. 2 is the sectional view of a kind of immersion lance head of the present invention；
Fig. 3 is support heat radiation assembly structure schematic diagram of the present invention.
Accompanying drawing acceptance of the bid note is respectively as follows: 1, submergence section；2, linkage section；3, radiating subassembly is supported；4, support component is propped up；5, heat radiation group
Part；6, heat proof material.
Detailed description of the invention
There is provided description referring to the drawings to help to understand the disclosure limited by claim and equivalent thereof comprehensively
Various embodiments.Hereinafter describe the various details including helping to understand, but these details will be considered to be only example
Property.Therefore, it will be appreciated by those of ordinary skill in the art that in the case of without departing from the scope of the present disclosure and spirit, can be right
Various embodiments described herein makes various changes and modifications.It addition, in order to clear and succinct, retouching of known function and structure
State and can be omitted.
Term and vocabulary used in following description and claims are not limited to document implication, but only by inventor
It is used for enabling the disclosure clearly and as one man to be understood.Therefore, to those skilled in the art it should be apparent that carry
For the description of following various embodiments of this disclosure merely to exemplary purpose, and unrestricted by claims and
The purpose of the disclosure that equivalent limits.
As shown in Figure 1 and Figure 2, a kind of immersion lance head of the present invention, including submergence section 1 and linkage section 2.Submergence section 1 He
Linkage section 2 is circular tube structure.Outside wall surface in the close upper part of submergence section 1 has a bigger boss of external diameter
Structure 11, boss structure 11 can be continuous print circulus, it is also possible to for discontinuous circulus.Close at linkage section 2
The inside face of end portion has a less boss structure of internal diameter 21, and boss structure 21 can be continuous print circulus,
It can also be discontinuous circulus.The lower surface of the boss structure 11 of submergence section 1 and the upper end of the boss structure 21 of linkage section 2
Face offsets, and forms bridging arrangement, submergence section 1 is sleeved on the end portion of linkage section 2.Boss structure 11 He such as submergence section 1
The boss structure 21 of linkage section 2 is discontinuous circulus, then need boss structure 11 and boss structure 21 during overlap joint
Position is corresponding to be overlapped.
The present embodiment utilizes boss structure overlap, make submergence section 1 and linkage section 2 form one and connect cooperation,
In actually used, also has other design, as long as submergence section 1 can be made to be sleeved in linkage section 2.
The lance head almost all of prior art uses metal material, but owing to metal tolerance melt washes away and high temperature erosion
Ability more weak, so lance head is high temperature resistant, the long-life in order to make, in the present invention submergence section 1 have employed high temperature resistant, resistant to corrosion with
And there is the ceramic material of good thermal shock resistance, it is multiple that concrete ceramic material can be selected for Quartz ceramic material, quartz-matrix ceramic
Condensation material, carborundum-based ceramic material and aluminum oxide ceramic material.Linkage section 2 selects heat-resisting steel material, such as 310S not
The rust material such as steel, S12550 rustless steel, to realize and the welding of spraygun body.Owing to the thermal coefficient of expansion of heat-resisting steel material is obvious
More than ceramic material, in order to prevent in the case of a high temperature, the difference of thermal coefficient of expansion causes shape between submergence section 1 and linkage section 2
Become larger gap, thus bring the problem that submergence section 1 rocks, at boss structure 11 and the inwall of linkage section 2 and boss structure
21 and the fit-up gap of outer wall of submergence section 1 be filled with the nonmetal heatproof materials such as heat-resistant felt 6, make submergence section 1 all-the-time stable ground
It is sleeved in linkage section 2.
Being illustrated in figure 3 support radiating subassembly 3, be made up of a support component 4 and radiating subassembly 5 two parts, a support component 4 is
Circulus, radiating subassembly 5 is tooth slice structure.Radiating subassembly 5 is uniformly arranged on the annular upper end face of a support component 5, and hangs down
Directly in the upper surface of a support component 5, it is oppositely arranged on a support component 4 two-by-two radially.Prop up in the present embodiment on support component 4
Be provided with 12 radiating subassemblies 5, it is also possible to according to heat radiation need be set to other suitable numbers.Support radiating subassembly 3
Prop up support component 4 and radiating subassembly 5 can be one-body molded, it is also possible to be two individual components.In the present embodiment, a support component 4 is with scattered
Hot assembly 5 is two individual components, and the circumference at a support component 4 is provided with 12 slits identical with the thickness of radiating subassembly 5, narrow
The degree of depth of seam substantially props up the half of support component 4 ring width, extends from the annular inner wall outer wall direction of a support component 4.Heat radiation group
The width on part 5 top is identical with the ring width of a support component 4, the width of radiating subassembly 5 bottom and the slit depth one of a support component 4
Sample is also inserted in the slit propping up support component 4, can be fixed on a support component 4 by radiating subassembly 5 by welding.In this enforcement
In example, radiating subassembly 5 is gear piece shape, is vertically arranged on the circumference of a support component 4, in actual use can also be as required
The radiating subassembly of other shapes, the most trapezoidal or spiral radiating subassembly, radiating subassembly peace on a support component are set
Dress mode can also be arranged to other modes, the most circumferentially arranged askew etc..
Support in the toroidal cavity of the upper part that radiating subassembly 3 is fixedly mounted on linkage section 2, as shown in Figure 1 and Figure 2.?
Support component 5 lower surface and boss structure 11 upper surface of submergence section 1 in support radiating subassembly 3 offset, owing to supporting heat radiation group
Part 3 is integrally fixed on linkage section 2, so submergence section 1 is immovable in upwardly direction, thus spacing to submergence section 1 upper surface.
Submergence section 1 is in a downward direction due to the bridging arrangement of boss structure 21 of boss structure 11 and linkage section 2, thus to submergence
Section 1 lower surface is spacing.Submergence section 1 is owing to its boss structure 11 is fixed on the boss structure 21 of linkage section 2 and supports heat radiation group
Between part 3, form up and down spacing, thus secure relative to linkage section 2 and the position that supports radiating subassembly 3.
Supporting radiating subassembly 3 in the present embodiment is by being welded and fixed the upper part toroidal cavity being arranged on linkage section 2
In, the outer side edges of 12 radiating subassemblies 5 is welded in the cavity wall of linkage section 2 inner chamber, and the circulus outer wall of a support component 4 also welds
Be connected in the cavity wall of linkage section 2 inner chamber, by welding realize the support section 4 of support component and radiator portion 5 respectively be connected
Section 2 internal faces are fixed.By welding, radiating subassembly 4 is fixed on the inwall of linkage section 2, on the one hand enhances support and dissipate
Hot assembly and the bonding strength being connected end, be effectively reduced the degree of crook connecting end, it is to avoid spray gun is stuck in because of overbending
Gun slot and can not normal hoisting, on the other hand can improve inside is passed through gas to connecting the cooling effect of end, reduces and connects
The temperature of end, improves its outside wall surface dross effect, thus improves the connection end life-span.Support radiating subassembly 3 the same with linkage section 2,
Select heat-resisting steel material, such as materials such as 310S rustless steel, S12550 rustless steels, to ensure thermal coefficient of expansion identical under high temperature.
Immersion lance head of the present invention uses high intensity, high temperature resistant, resistant to corrosion, low cost and has good heat shock resistance
The ceramic material of performance, as the submergence section of lance head, is effectively increased the life-span of lance head, reduces production cost.By propping up
Submergence section 1 can be carried out spacing by support radiating subassembly 3, effectively weakens the leaching brought because submergence section 1 and linkage section 2 are mechanically connected
The section of there not being rocks problem.The bridging arrangement of lance head designs and fills the design of nonmetal heatproof material in fit-up gap, fully examines
Consider the dimensional change differential caused between different materials because of thermal expansion, it is to avoid because linkage section swell increment is led more than submergence section
The submergence section caused comes off problem.On the one hand radiating subassembly part enhances support radiating subassembly and the bonding strength being connected end, has
Effect alleviates the degree of crook connecting end, it is to avoid spray gun can not normal hoisting because overbending is stuck in gun slot；The opposing party
Face can be improved inside and is passed through the gas cooling effect to connection end, reduces the temperature connecting end, improves its outside wall surface dross effect
Really, thus improve the linkage section life-span.This high temperature resistant, long-life top blast immersion lance head meets the continuous firing need of top blast stove
Ask, reduce a large amount of human and material resources costs that enterprise puts into because frequently changing lance head, and because of the warp caused that frequently stops production
Ji loss.
Although the various embodiments with reference to the disclosure illustrate and describe the disclosure, but those skilled in the art will manage
Solve, in the case of the spirit and scope without departing from the disclosure being defined by the appended claims and the equivalents thereof, it can be entered
Various changes in row form and details.
Claims (10)
1. an immersion lance head, it is characterised in that include submergence section, linkage section and support radiating subassembly, submergence section and company
The section of connecing is tubular structure, and submergence section is sleeved on described linkage section end portion, and described support radiating subassembly is installed on described connection
Duan Shangduan is also resisted against described submergence section upper surface.
2. immersion lance head as claimed in claim 1, it is characterised in that the outside wall surface of described submergence section upper end has
The boss structure that external diameter is bigger, the internal face of described linkage section lower end has a less boss structure of internal diameter, described submergence
The upper surface of the lower surface of the boss structure of section and the boss structure of described linkage section offsets, and forms bridging arrangement, by described leaching
The section of there not being is sleeved in described linkage section.
3. immersion lance head as claimed in claim 2, it is characterised in that described boss structure can be continuous structure, also
It can be discontinuous structure.
4. immersion lance head as claimed in claim 1, it is characterised in that the ceramic material of described submergence section is selected from quartz
Ceramic material, quartz-matrix ceramic composite material, carborundum-based ceramic material or aluminum oxide ceramic material.
5. immersion lance head as claimed in claim 1, it is characterised in that described linkage section and described support radiating subassembly are
Heat-resisting steel material.
6. immersion lance head as claimed in claim 5, it is characterised in that the fit-up gap of described submergence section and linkage section is filled out
It is filled with nonmetal heatproof material.
7. immersion lance head as claimed in claim 6, it is characterised in that described nonmetal heatproof material is heat-resistant felt.
8. immersion lance head as claimed in claim 1, it is characterised in that described support radiating subassembly include a support component and
Radiating subassembly, described support component is circulus, and described radiating subassembly is tooth slice structure, and described radiating subassembly is uniformly arranged
Annular upper end face in described support component.
9. immersion lance head as claimed in claim 8, it is characterised in that described radiating subassembly and described support component are respectively
By being fixedly welded on the inwall of described linkage section.
10. immersion lance head as claimed in claim 8, it is characterised in that the lower surface of described support component is resisted against institute
State submergence section upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610770823.1A CN106288814B (en) | 2016-08-30 | 2016-08-30 | A kind of immersion lance head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610770823.1A CN106288814B (en) | 2016-08-30 | 2016-08-30 | A kind of immersion lance head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106288814A true CN106288814A (en) | 2017-01-04 |
| CN106288814B CN106288814B (en) | 2018-12-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610770823.1A Active CN106288814B (en) | 2016-08-30 | 2016-08-30 | A kind of immersion lance head |
Country Status (1)
| Country | Link |
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| CN (1) | CN106288814B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100711435B1 (en) * | 2001-04-09 | 2007-04-24 | 주식회사 포스코 | Lance for injecting pulverized coal |
| KR20130002775A (en) * | 2011-06-29 | 2013-01-08 | 현대제철 주식회사 | Pulverized coal injection lance for blast furnace and method for operating blast furnace using it |
| US20140008848A1 (en) * | 2010-04-09 | 2014-01-09 | Southwire Company | Ultrasonic Degassing of Molten Metals |
| CN105486091A (en) * | 2015-12-18 | 2016-04-13 | 中南大学 | Oxygen lance for smelting of molten pool |
| CN105737614A (en) * | 2016-04-01 | 2016-07-06 | 中国恩菲工程技术有限公司 | Spray gun used for side blowing of immersion combustion molten pool metallurgical furnace and metallurgical furnace with spraying gun |
-
2016
- 2016-08-30 CN CN201610770823.1A patent/CN106288814B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100711435B1 (en) * | 2001-04-09 | 2007-04-24 | 주식회사 포스코 | Lance for injecting pulverized coal |
| US20140008848A1 (en) * | 2010-04-09 | 2014-01-09 | Southwire Company | Ultrasonic Degassing of Molten Metals |
| KR20130002775A (en) * | 2011-06-29 | 2013-01-08 | 현대제철 주식회사 | Pulverized coal injection lance for blast furnace and method for operating blast furnace using it |
| CN105486091A (en) * | 2015-12-18 | 2016-04-13 | 中南大学 | Oxygen lance for smelting of molten pool |
| CN105737614A (en) * | 2016-04-01 | 2016-07-06 | 中国恩菲工程技术有限公司 | Spray gun used for side blowing of immersion combustion molten pool metallurgical furnace and metallurgical furnace with spraying gun |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106288814B (en) | 2018-12-25 |
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