CN202808865U - Argon blowing device with ultrasonic agitation - Google Patents
Argon blowing device with ultrasonic agitation Download PDFInfo
- Publication number
- CN202808865U CN202808865U CN 201220499071 CN201220499071U CN202808865U CN 202808865 U CN202808865 U CN 202808865U CN 201220499071 CN201220499071 CN 201220499071 CN 201220499071 U CN201220499071 U CN 201220499071U CN 202808865 U CN202808865 U CN 202808865U
- Authority
- CN
- China
- Prior art keywords
- ultrasonic
- argon
- porous plug
- molten steel
- blowing device
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Treatment Of Steel In Its Molten State (AREA)
Abstract
The utility model discloses an argon blowing device with ultrasonic agitation, which belongs to the technical field of argon blowing devices for external refining of metallurgical furnaces. The argon blowing device with ultrasonic agitation comprises two porous plugs at the bottom of a steel ladle and argon channels connected with the porous plugs, wherein the two porous plugs are symmetrically arranged on the same diameter and are positioned at half of the radius of the bottom of the steel ladle, a circular through hole is formed in the center of each porous plug, an ultrasonic generator is arranged on the outer side of each porous plug and is fixedly connected with the top end of the corresponding argon channel, an amplitude change pole is arranged in each ultrasonic generator and penetrates through the circular through hole in the center of the corresponding porous plug to extend into the steel ladle, and the ultrasonic generators are connected with a power supply through leads. According to the utility mode, the ultrasonic generators are used for outputting ultrasonic waves which are then introduced into molten steel in the steel ladle and are used for removing impurities out of the molten steel, thereby reaching the aims of further removing the impurities out of the molten steel, and improving the purity degree of the molten steel.
Description
Technical field
The utility model relates to a kind of argon-blowing device, more particularly, relates to a kind of argon-blowing device of ultrasonic stirring.
Background technology
Steel product quality is relevant with the purity of steel, and in recent years, the raising that steel product quality is required with the user requires also corresponding raising to the purity of molten steel, and the Clean Steel smelting technology is the major subjects of steel-smelting technology research in the world always.
Ladle refining is to guarantee the requisite key link of molten steel clean level, mainly contains at present RH method, LF method and VD method.Wherein, the VD method is at first to be used by Germany the 1950's, for the production of soft steel, and can strict control composition and temperature.It is to go together to be mingled with technique in the VD method that Argon purifies, in molten steel, be blown into the rare gas elementes such as argon gas, itself does not participate in metallurgical reaction this gas, but each small bubbles that rises from molten steel are equivalent to one " little vacuum chamber ", H, N are vacuum chamber, therefore to wherein spreading and taking away, realize the purpose of cleaning molten steel.In addition, Argon be beneficial to remove be mingled with, evenly composition and temperature, avoid the molten steel secondary oxidation.
Yet, adopt the degassed deficiency that also has dynamic conditions of BOTTOM ARGON BLOWING, argon bottom-blowing flow hour, there is the circulation dead band in the ladle, can not full and uniform molten steel component, temperature, if argon flow amount increases, easily cause the exposed and rolling of molten steel face, increase the secondary oxidation chance, can not satisfy the Clean Steel smelting requirements.Increasing simultaneously argon flow amount also can make running cost rise.
Ultrasonic wave is a kind of compression compressional wave, can in gas, liquid, solid and Solid solution, effect spread be arranged, has very strong penetrance, when propagating it in liquid, these natural characteristicss can transmit very strong energy, can produce at the interface strong impact and cavatition, propagation distance is far away in liquid simultaneously, and equally can produce reflection, interference, stack and resonance effect with sound wave.Many characteristics that ultrasonic wave has make its a plurality of fields such as be widely used in cleaning, detected a flaw and test the speed, and application is seldom except detecting a flaw but it is at metallurgy industry.Therefore, the using ultrasound ripple stirs molten steel and can reach better refining effect.
Chinese patent Granted publication number: CN101307374B, Granted publication day is on September 8th, 2010, invention and created name is: nonmetal inclusion removal method in the molten steel, this application case relate to nonmetal inclusion removal method in a kind of molten steel.The method may further comprise the steps: the ladle that (1) will be equipped with molten steel is lifted on the turn around table, begins blowing argon gas by argon blowing hole and stirs, and stops blowing argon gas after maximum 2 minutes; (2) one or several horn are immersed in molten steel, and start ultrasonic generator; (3) start ultrasonic generator after maximum 1 minute, close ultrasonic generator and horn is broken away from molten steel, get back to standby position at once.Nonmetal inclusion removal method can further reduce and is mingled with quantity in the molten steel in the molten steel of this application case, can produce that to be mingled with quantity enough less or be mingled with the enough little molten steel of size, reach the high purity steel production requirement, but the horn of this application case immerses from the molten steel top, and argon gas is blown into from ladle bottom, stir the dead band so stir to exist, can not realize well the agitating function to molten steel, also need to do further improvement.
Summary of the invention
The technical problem that utility model will solve
Not enough for the degassed dynamic conditions that exists of BOTTOM ARGON BLOWING in the prior art, can not realize well the problem to the agitating function of molten steel, a kind of argon-blowing device of ultrasonic stirring is provided, can reaches in the further removal molten steel and be mingled with, improve the purpose of molten steel purity.
Technical scheme
The argon-blowing device of a kind of ultrasonic stirring of the present utility model, comprise the porous plug that is arranged on ladle bottom and the ar gas passage that links to each other with porous plug, described porous plug is provided with two, and be symmetrically distributed on the same diameter, this porous plug is positioned on ladle bottom 1/2 radius, described porous plug center is provided with manhole, side outside porous plug is provided with ultrasonic generator, be fixedly connected with the top of ar gas passage, be provided with horn in the ultrasonic generator, above-mentioned horn is passed the manhole at porous plug center, stretches in the ladle, and described ultrasonic generator is connected with power supply by wire.Ultrasonic generator is arranged on the porous plug of ladle bottom, installs simple and conveniently, and simultaneously two porous plugs are symmetrically distributed on the same diameter, can stir molten steel better, solves Bottom Gas Stirring and exists and stir dead-time problem, improves mixing effect.
Further, described porous plug upper surface evenly is provided with 35 ~ 50 circular holes, and this Circularhole diameter is 6 ~ 10mm.
Further, the ultrasonic power that sends of described ultrasonic generator is 1000W ~ 2000W.
Further, the length of described horn is 2/3 of level.
Further, described porous plug upper surface evenly is provided with 40 circular holes, and this Circularhole diameter is 8mm; The ultrasonic power that ultrasonic generator sends is 1000W.
Further, the upper surface of described porous plug is higher than ladle bottom 10 ~ 15mm.
Further, the material of described porous plug is that chromium steel is beautiful.
Beneficial effect
The technical scheme that adopts the utility model to provide is compared with existing known technology, has following beneficial effect:
(1) argon-blowing device of a kind of ultrasonic stirring of the present utility model, ultrasonic stirring has good cavatition, and a large amount of cavitation bubbles of generation have obviously increased Gas-liquid interfacial area, prolong the bubble floating time, are conducive to remove be mingled with;
(2) argon-blowing device of a kind of ultrasonic stirring of the present utility model, by the ultrasonic generator output ultrasonic wave, by horn ultrasonic wave is introduced the molten steel of ladle, the using ultrasound ripple is removed in the molten steel and is mingled with, reach in the further removal molten steel and be mingled with the purpose of raising molten steel purity;
(3) argon-blowing device of a kind of ultrasonic stirring of the present utility model, two porous plugs all are positioned on ladle bottom 1/2 radius, and be symmetrically distributed on the same diameter, for same bottom gas pushing quantity, the Blending Efficiency of Blending that two argon blowing holes of the present utility model are symmetrically distributed on the same diameter is better than existing argon blowing hole layout on the whole;
(4) argon-blowing device of a kind of ultrasonic stirring of the present utility model, porous plug upper surface evenly are provided with 35 ~ 50 circular holes, and this Circularhole diameter is 6 ~ 10mm, and Air permenbility is of moderate size, and can improve the molten steel mixed effect;
(5) argon-blowing device of a kind of ultrasonic stirring of the present utility model, horn is passed the porous plug that is arranged on ladle bottom, stretches in the ladle, solves Bottom Gas Stirring and has the stirring dead-time problem, improves mixing effect, removes Impurities of Molten Steel, produces Clean Steel.
Description of drawings
Fig. 1 is the structural representation of the argon-blowing device of a kind of ultrasonic stirring of the present utility model;
Fig. 2 is the vertical view of the argon-blowing device of a kind of ultrasonic stirring of the present utility model.
Label declaration in the synoptic diagram:
1, ladle; 2, horn; 3, porous plug; 4, ultrasonic generator; 5, ar gas passage.
Embodiment
For further understanding content of the present utility model, in conjunction with the accompanying drawings and embodiments the utility model is described in detail.
In conjunction with Fig. 1, the argon-blowing device of a kind of ultrasonic stirring of present embodiment, comprise the porous plug 3 that is arranged on ladle 1 bottom and the ar gas passage 5 that links to each other with porous plug 3, wherein, porous plug 3 is provided with two, and is symmetrically distributed on the same diameter, and this porous plug 3 is positioned on 1/2 radius of ladle 1 bottom, for same bottom gas pushing quantity, the Blending Efficiency of Blending that two argon blowing holes of the present utility model are symmetrically distributed on the same diameter is better than existing argon blowing hole layout on the whole.Porous plug 3 centers are equipped with manhole, and the side outside porous plug 3 is provided with ultrasonic generator 4, are fixedly connected with the top of ar gas passage 5, are provided with horn 2 in the ultrasonic generator 4.Above-mentioned horn 2 is passed porous plug 3 by the manhole that porous plug 3 centers arrange, and stretches in the ladle 1, and the length of horn 2 can be regulated according to level, draws by experiment, and the length of horn 2 is that 2/3 place's mixing effect of level is best.
The horn 2 of present embodiment is designed to clavate, and Main Function is amplitude, the raising vibration velocity ratio that increases ultrasonic generator 4, realizes well the agitating function to molten steel.
In addition, ultrasonic generator 4 is connected with power supply by wire, and the ultrasonic power that the ultrasonic generator 4 of present embodiment sends is 1000W.Experimental result shows, when ultrasonic power is 1000W, all does time and obviously shortens, and mixing effect is best.Simultaneously, and only compare by Bottom Gas Stirring, ultrasonic stirring can obviously shorten all does time, and improves the ladle refining dynamic conditions.
Further, the Air permenbility size during ladle 1 BOTTOM ARGON BLOWING is moderate, and is little to improving the contribution of molten steel mixed effect when tolerance is excessive, and tolerance is crossed conference and produced obvious slag phenomenon.And the Air Bubble Size during ladle 1 BOTTOM ARGON BLOWING is moderate.As shown in Figure 2, porous plug 3 upper surfaces of present embodiment evenly are provided with 40 circular holes, and this Circularhole diameter is 8mm, and argon gas stream is stable, and the molten steel good mixing effect.Need to prove that the circular hole number and the diameter thereof that arrange on the porous plug 3 of the present utility model are not limited to the described numerical value of present embodiment, its can be in certain scope value.
After having watered at molten steel, be convenient to clear up the slag that remains on porous plug 3 working faces, the upper surface of the porous plug 3 of present embodiment is higher than ladle 1 bottom 10mm, like this, behind the residual steel residue of evacuation, the slag that remains on porous plug 3 working faces lacks comparatively speaking, has alleviated the burden of cleaning porous plug 3, blow loss degree to porous plug 3 reduces the work-ing life of having improved porous plug 3.
The advantages such as the material of the porous plug 3 in the present embodiment adopts chromium steel beautiful, and it is large to have volume density, and hot strength is high, and anti-melting loss scouring capability is strong, and the life-span is long, and is safe and reliable.
The basic structure of present embodiment is with embodiment 1, and difference is: porous plug 3 upper surfaces evenly are provided with 35 circular holes, and this Circularhole diameter is 10mm.And the upper surface of porous plug 3 is higher than ladle 1 bottom 12mm.The ultrasonic power that ultrasonic generator 4 sends is 1500W.
The basic structure of present embodiment is with embodiment 1, and difference is: porous plug 3 upper surfaces evenly are provided with 50 circular holes, and this Circularhole diameter is 6mm.And the upper surface of porous plug 3 is higher than ladle 1 bottom 15mm.The ultrasonic power that ultrasonic generator 4 sends is 2000W.
The argon-blowing device of a kind of ultrasonic stirring of embodiment 1 ~ 3, during use, porous plug 3 by ladle 1 bottom is blown into molten steel with argon gas, connect simultaneously ultrasonic power, ultrasonic generator 4 imports ultrasonic wave in the molten steel by horn 2, and after the argon gas that passes into arrived molten steel, argon gas formed small bubbles in rising, H, N are vacuum chamber, therefore to wherein spreading and taking away.Argon-blowing device of the present utility model, using ultrasound ripple are removed in the molten steel and are mingled with, and reach in the further removal molten steel to be mingled with, and improve the purpose of molten steel purity.It has solved the Bottom Gas Stirring existence and has stirred dead-time problem simultaneously, improves mixing effect, removes Impurities of Molten Steel, produces Clean Steel.
Below schematically the utility model and embodiment thereof are described, this description does not have restricted, and shown in the accompanying drawing also is one of embodiment of the present utility model, and actual structure is not limited to this.So, if those of ordinary skill in the art is enlightened by it, in the situation that does not break away from the utility model creation aim, without the creationary frame mode similar to this technical scheme and the embodiment of designing, all should belong to protection domain of the present utility model.
Claims (7)
1. the argon-blowing device of a ultrasonic stirring, comprise the porous plug (3) and the ar gas passage (5) that links to each other with porous plug (3) that are arranged on ladle (1) bottom, it is characterized in that: described porous plug (3) is provided with two, and be symmetrically distributed on the same diameter, this porous plug (3) is positioned on 1/2 radius of ladle (1) bottom, described porous plug (3) center is provided with manhole, side outside porous plug (3) is provided with ultrasonic generator (4), be fixedly connected with the top of ar gas passage (5), be provided with horn (2) in the ultrasonic generator (4), above-mentioned horn (2) is passed the manhole at porous plug (3) center, stretch in the ladle (1), described ultrasonic generator (4) is connected with power supply by wire.
2. the argon-blowing device of a kind of ultrasonic stirring according to claim 1, it is characterized in that: described porous plug (3) upper surface evenly is provided with 35 ~ 50 circular holes, and this Circularhole diameter is 6 ~ 10mm.
3. the argon-blowing device of a kind of ultrasonic stirring according to claim 1 and 2, it is characterized in that: the ultrasonic power that described ultrasonic generator (4) sends is 1000W ~ 2000W.
4. the argon-blowing device of a kind of ultrasonic stirring according to claim 3, it is characterized in that: the length of described horn (2) is 2/3 of level.
5. the argon-blowing device of a kind of ultrasonic stirring according to claim 3, it is characterized in that: described porous plug (3) upper surface evenly is provided with 40 circular holes, and this Circularhole diameter is 8mm; The ultrasonic power that ultrasonic generator (4) sends is 1000W.
6. the argon-blowing device of a kind of ultrasonic stirring according to claim 5 is characterized in that: the upper surface of described porous plug (3) is higher than ladle (1) bottom 10 ~ 15mm.
7. the argon-blowing device of a kind of ultrasonic stirring according to claim 6 is characterized in that: the material of described porous plug (3) is that chromium steel is beautiful.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220499071 CN202808865U (en) | 2012-09-28 | 2012-09-28 | Argon blowing device with ultrasonic agitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220499071 CN202808865U (en) | 2012-09-28 | 2012-09-28 | Argon blowing device with ultrasonic agitation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202808865U true CN202808865U (en) | 2013-03-20 |
Family
ID=47867780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220499071 Expired - Fee Related CN202808865U (en) | 2012-09-28 | 2012-09-28 | Argon blowing device with ultrasonic agitation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202808865U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103252459A (en) * | 2013-06-07 | 2013-08-21 | 王海军 | Method of improving molten steel cleanness and refining crystal grains with ultrasonic waves |
| CN109295280A (en) * | 2018-11-24 | 2019-02-01 | 宁波市神光电炉有限公司 | A kind of exclusion device and impurity-removing method of medium frequency induction melting furnace |
-
2012
- 2012-09-28 CN CN 201220499071 patent/CN202808865U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103252459A (en) * | 2013-06-07 | 2013-08-21 | 王海军 | Method of improving molten steel cleanness and refining crystal grains with ultrasonic waves |
| CN103252459B (en) * | 2013-06-07 | 2015-10-28 | 马鞍山华盛冶金科技发展有限公司 | A kind of method being improved Cleanliness of Molten Steel and crystal grain thinning by ultrasonic wave |
| CN109295280A (en) * | 2018-11-24 | 2019-02-01 | 宁波市神光电炉有限公司 | A kind of exclusion device and impurity-removing method of medium frequency induction melting furnace |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202808865U (en) | Argon blowing device with ultrasonic agitation | |
| CN101307374B (en) | Process for removing nonmetal inclusion in molten steel | |
| CN103943894B (en) | One is internalized into lead-acid accumulator ultrasound wave chemical synthesizing method | |
| CN201516429U (en) | cleaning and drying integrated machine | |
| CN102260769A (en) | Ladle refining method for improving dynamical conditions by using ultrasonic wave | |
| CN202921601U (en) | Ultrasonic plate washer | |
| CN102127618A (en) | Device and method for refining, oxygenating and deeply decarbonizing molten steel in vacuum | |
| CN108396109B (en) | A method of generating disperse bubble in ladle molten steel | |
| CN206445208U (en) | A kind of T-shaped tundish impact area long-life flow straightener | |
| CN204529933U (en) | A kind of device purifying magnesium or magnesium alloy fused mass | |
| CN208532401U (en) | A kind of big aerator in improvement region | |
| CN113957203B (en) | Multifunctional non-centrosymmetric vacuum refining equipment | |
| CN102145380B (en) | Method for continuously casting clean molten steel in tundish | |
| CN208998541U (en) | The smelting apparatus of Nd Fe B alloys | |
| CN2866803Y (en) | Mud tank with mixing chamber and equalizing chamber | |
| CN105032247A (en) | Chemical engineering stirring kettle | |
| CN206127354U (en) | Novel aluminium calcium iron deoxidier | |
| CN207929032U (en) | A kind of New type agitation disk body | |
| CN201762368U (en) | Variable-frequency ultrasonic refined-smelting ladle furnace capable of rapidly slugging | |
| CN206359558U (en) | KR dusts melt desulfurization agitator | |
| CN206139097U (en) | Magnetic stirring ultrasonic water bath pot | |
| CN109652613A (en) | Four holes for quickly mixing molten steel recycle argon blowing method at bottom | |
| CN203393186U (en) | Vacuum circulating degassing refining device for molten steel | |
| CN110184472A (en) | A method of gas and impurity in removal high temperature molten aluminum | |
| CN201704385U (en) | Degassing rotor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20130928 |