CN101550468B - Metal smelting device driven by gravitational potential energy and method thereof - Google Patents
Metal smelting device driven by gravitational potential energy and method thereof Download PDFInfo
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- CN101550468B CN101550468B CN2009100114001A CN200910011400A CN101550468B CN 101550468 B CN101550468 B CN 101550468B CN 2009100114001 A CN2009100114001 A CN 2009100114001A CN 200910011400 A CN200910011400 A CN 200910011400A CN 101550468 B CN101550468 B CN 101550468B
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Abstract
The invention relates to a metal smelting device driven by gravitational potential energy and a method thereof, relating to the field of metallurgical technology. The device comprises a teeming device, a funnel-shaped cyclone generator and an overflow trough; the upper side of the overflow trough is provided with the funnel-shaped cyclone generator on which the teeming device is arranged; the funnel-shaped cyclone generator consists of a cone-shaped body, a hybrid tube and a guide plate; and the cone-shaped inner side of the cone-shaped body is connected guide plates, and the hybrid tube of the funnel-shaped cyclone generator is inserted into the overflow trough. The application method comprises the following steps: under the action of gravity, molten metal is poured between the guide plates of the funnel-shaped cyclone generator, and then the molten metal flows to the hybrid tube along the guide plate and enters the overflow trough. The device is simple in structure and convenient in operation, thereby achieving the purposes of saving energy and reducing cost.
Description
Technical field
The invention belongs to metallurgical technology field, particularly a kind of metal smelting device and method thereof of utilizing gravitional force to drive.
Background technology
Development of modern industry not only requires smelter to produce high-quality, premium quality product, and is the environment of preserving our planet, and realizes sustainable development, the also necessary high efficiency of the production technology of product, low cost, saving resource and the energy.The technological principle of metallurgical reaction reaches molten steel and the mixing that needs component (alloying element and smelt pulvis) and reaches the purpose of separating with harmful constituent (non-metallic inclusion) through stirring (mechanical agitation, jet stirring, electromagnetic agitation) method exactly.Good metallurgical reaction should possess high efficiency simultaneously and mix the dual capability of separating with high efficiency.
The present widely used blowing gas stirring means of steel industry; Argon gas is by in the spirt liquid steel refining reactor, and through near the Argon Bubble come-up effect that nozzle, forms, driving reactor inner metal liquid body is done and circulated; Evenly molten metal temperature and composition promote the chemical reaction in the molten metal.In order to prevent that gas and molten metal react under the hot conditions, what spray into all is expensive inert gas, i.e. argon gas.Folk prescription often causes the reactor corners to have the dead band to moving upward because bubble receives buoyancy.Therefore international metallurgical boundary cost great amount of manpower and material resources improve jet stirring efficiency.In addition, in some cases, also there is small bubble to remain in molten metal often, causes the defective of product quality.
In chemical field, churned mechanically efficient is very high.But in metallurgical reaction, the agitator paddle strength of materials that stirs high temperature (more than 1500 ℃) melt is required too high, and the impeller residue of these rapid wears sneaks in the molten steel, causes the secondary pollution of molten steel.So less use mechanical mixing method in the metallurgical reaction.
In recent years, electromagnetic stirring method also is applied in metallurgical reaction gradually, and it can contactlessly stir molten steel, reaches the purpose that molten steel mixes, separates.But electromagnetic stirring method still has following problem: 1. a large amount of electric energy of efficient low (about electrical efficiency 15%) convert heat-energy losses to and fall.2. the penetration depth in magnetic field is little.Intensity is insufficient.Therefore, the application of electromagnetic stirring method still needs further investigation.
Summary of the invention
Carrying capacity of environment to existing in the conventional method is big, the problem that resource and energy consumption are big, and the present invention provides a kind of metal smelting device and method thereof of utilizing gravitional force to drive.
The metal smelting device that utilizes gravitional force to drive of the present invention comprises beam device, funnel type rotational flow generator and overflow launder, and the overflow launder top is provided with the funnel type rotational flow generator, and funnel type rotational flow generator top is provided with the beam device; The funnel type rotational flow generator comprises bullet and mixing tube; The conical inner face of bullet is a back taper, and conical inner face upper end is a tip circle, and the lower end is an end circle, and outside diameter circle is greater than end circular diameter; The end circle of conical inner face is connected with the mixing tube upper end, forms the funnel type structure, the axis of conical inner face and the dead in line of mixing tube; Conical inner face is equipped with and is no less than 4 deflectors; And the mixing tube of funnel type rotational flow generator is inserted in the overflow launder.Deflector is board-type or circular arc template, and each deflector has two wide and four leptoprosopy.Become 15 °～75 ° angles between the plane at circle place and the conical inner face at the bottom of the conical inner face.
Above-mentioned beam device is made up of flow-injection groove and flow control board, and flow-injection groove is the fluted body structure, and the flow-injection groove bottom is provided with orifice; And flow-injection groove bottom connection traffic adjustable plate has the Flow-rate adjustment hole on the flow control board; Orifice in the projection on the conical inner face between two deflectors.
Above-mentioned deflector evenly distributes on conical inner face, and each the deflector shape that is distributed on the same conical inner face is identical; A leptoprosopy of each deflector is connected with conical inner face, and its upper end joins with the tip circle of conical inner face, and the lower sideline of the lateral surface of each deflector and guide face intersect and be tangent, and the lower end of lower sideline is positioned on the guide face.
Wherein said guide face is the extension face of cylinder of mixing tube, and the diameter of this guide face is 1～2 times of mixed tube diameter; Described lateral surface is far away one wide of two wide middle distance mixing tube axis of deflector.
Overflow launder of the present invention is made up of inner drum and outside drum, and inner drum and outside drum are formed by cylinder type sidewall and base plate, and the base plate of inner drum is the part of outer circle barrel soleplate; The mixing tube bottom is arranged in inner drum.
The method that the metal smelting device that utilizes gravitional force to drive of the present invention is implemented metal smelt is: ladle is elevated to above the beam device; Utilize the gravity beam in flow-injection groove molten metal, the molten metal exit of ladle is higher than flow-injection groove top 0.5～1.5m; Add metallurgical pulvis simultaneously; Move flow control board under external force; Metallic solution is through flow control board and orifice beam between each deflector of funnel type rotational flow generator in the flow-injection groove, and under the gravity effect, the molten metal between each deflector flows to mixing tube along deflector; Tangential direction along the extension face of cylinder of mixing tube when molten metal breaks away from deflector is moved; Molten metal between each deflector gets into eddy flow takes place in the mixing tube, produces strong stirring action, carries out the chemical reaction of desiliconization, desulfurization or dephosphorization.
Molten metal gets into the inside drum of overflow launder through behind the mixing tube, thereby the nonmetal harmful field trash of the part in the molten metal floats in overflow launder and is separated.Molten metal is emitted from overflow launder, accomplishes metal smelt.
In the above-mentioned beam device, move flow control board under external force, make flow control board do horizontal movement, regulate the area that is communicated with between Flow-rate adjustment hole and the orifice; Regulate the flow of molten metal simultaneously.
When each orifice and conical inner face tip circle minimum range are zero, and the peak that is connected with conical inner face of each deflector can make full use of the length of bullet when conical inner face tip circle, makes the better effects if of stirring action, and chemical reaction is more abundant.
Metal smelting device and the method for utilizing gravitional force to drive of the present invention; Only need the beam device be raised to certain altitude and mobile flow control board; Do not need other power just can reach the strong agitation effect of molten metal, reached the purpose of saving the energy and resource and reducing cost undoubtedly.For the protection environment, realize that sustainable development has great importance.The present invention is simple in structure, easy to operate, has a good application prospect.
Description of drawings
Fig. 1 is the cross-sectional view of the metal smelting device that utilizes the gravitional force driving in the embodiment of the invention;
Fig. 2 is the funnel type rotational flow generator cross-sectional view in the embodiment of the invention 1;
Fig. 3 is the vertical view of Fig. 2;
Fig. 4 is the funnel type rotational flow generator cross-sectional view in the embodiment of the invention 2;
Fig. 5 is the vertical view of Fig. 4;
Fig. 6 is the funnel type rotational flow generator cross-sectional view in the embodiment of the invention 3;
Fig. 7 is the vertical view of Fig. 6;
Among the figure 1, flow-injection groove, 2, flow control board, 3, bullet, 4, overflow launder, 5, deflector, 6, conical inner face, 7, mixing tube.
The specific embodiment
The equipment size ratio that adopts in the embodiment of the invention is: the big diameter of a circle of overflow launder is 1 o'clock, and the diameter of bullet tip circle is 1～1.15, and the diameter of mixing tube is 1/4～1/3.
The orifice of the flow-injection groove that adopts in the embodiment of the invention is for circular, and diameter is 1/4～1/6 of a conical inner face outside diameter circle.
The metal smelting device cross-section structure that utilizes gravitional force to drive is as shown in Figure 1, and flow-injection groove 1 is the fluted body structure, and the bottom evenly is provided with 6 orifices; Flow-injection groove 1 bottom connection traffic adjustable plate 2, flow control board 2 is plate, evenly is provided with 6 Flow-rate adjustment holes on the flow control board; Each Flow-rate adjustment hole is identical with the orifice shape, and when an orifice overlapped with a Flow-rate adjustment hole, other orifices also overlapped with certain orifice.Regulate the horizontal level of flow control board 2, can make orifice be communicated with fully with the Flow-rate adjustment hole, partly be communicated with or not be communicated with fully; When orifice was communicated with the Flow-rate adjustment bore portion, each orifice equated with the area that is communicated with between the Flow-rate adjustment hole accordingly.
Flow-injection groove 1 bottom is the funnel type rotational flow generator; The funnel type cyclone is made up of bullet 3, mixing tube 7 and deflector 5, and cross-section structure is as shown in Figure 2, and the vertical view structure is as shown in Figure 3; The conical inner face 6 of bullet 3 is a back taper; Conical inner face 6 upper ends are tip circle, and the lower end is an end circle, become 45 ° of angles between the plane at circle place, 6 ends of conical inner face and the conical inner face 6; Mixing tube 7 is a straight barrel type.The conical inner face 6 of bullet 3 is connected with mixing tube 7 upper ends, forms funnel type structure, the axis of conical inner face and the dead in line of mixing tube.Conical inner face 6 connects 6 deflectors.Deflector on conical inner face all with distribute, and each deflector shape is identical.
The vertical view of infundibulate rotational flow generator is as shown in Figure 3, and deflector is the front curve line style.
Each orifice is communicated with the tip circle of conical inner face, and the projection of each orifice is on the conical inner face between two deflectors.
Insert in the overflow launder 4 the mixing tube bottom, and overflow launder 4 is made up of inner drum and outside drum, and inner drum and outside drum are formed by cylinder type sidewall and base plate, and the base plate of inner drum is the part of outer circle barrel soleplate; The mixing tube bottom is arranged in inner drum.Inner drum and outside drum bottom are equipped with valve.
Adopt said apparatus, when needing refining ladle raise, utilize gravity with the molten steel beam in the ladle in flow-injection groove, the molten steel outlet place of ladle is higher than flow-injection groove top 1.0m; Add metallurgical pulvis simultaneously; Regulate the connection area of Flow-rate adjustment hole and orifice; Molten steel is flowed between two deflectors of funnel type rotational flow generator from orifice, and under the gravity effect, the molten metal between each deflector flows to mixing tube along deflector; Tangential direction along the extension face of cylinder of mixing tube when molten steel breaks away from deflector is moved; Molten metal gets into eddy flow takes place in the mixing tube, produces strong stirring action, under the effect of molten steel eddy flow stirring, carries out desiliconization, desulfurization or dephosphorization.
Said orifice with the mode of selecting for use that is communicated with area between the Flow-rate adjustment hole is: the liquid level of molten metal on conical inner face is not higher than the height of deflector during beam, and promptly molten metal can not overflow from wide upper sideline of deflector.
Molten steel gets into the inside drum of overflow launder through behind the mixing tube, thereby the nonmetal harmful field trash of the part in the molten steel floats in overflow launder and is separated.Molten metal is emitted from overflow launder, accomplishes metal smelt.
Carry out dephosphorization, desulfurization and desiliconization test as stated above, the content of phosphorus, sulphur and silicon reaches expectation index in the molten steel, and effect is better than the metallurgical effect that the winding-up argon gas stirs.
The metal smelting device that utilizes the gravitional force driving that adopts is with embodiment 1, and difference is: the deflector vertical view is the rear curved line style.Funnel type rotational flow generator cross-section structure is as shown in Figure 4, and the vertical view structure is as shown in Figure 5.
Adopt said apparatus to carry out dephosphorization, desulfurization and desiliconization test, method of work is with embodiment 1; The content of phosphorus, sulphur and silicon reaches expectation index in the molten steel, and effect is better than the metallurgical effect that the winding-up argon gas stirs.
The metal smelting device that utilizes the gravitional force driving that adopts is with embodiment 1, and difference is: deflector is a board-type, and the lower end of the lower sideline of the lateral surface of each deflector is connected with the mixing tube top, and the diameter of guide face is identical with mixed tube diameter; The lower sideline of the lateral surface of each deflector and this guide face are tangent.Funnel type rotational flow generator cross-section structure is as shown in Figure 6, and the vertical view structure is as shown in Figure 7.
Adopt said apparatus to carry out dephosphorization, desulfurization and desiliconization test, method of work is with embodiment 1; The content of phosphorus, sulphur and silicon reaches expectation index in the molten steel, and effect is better than the metallurgical effect that the winding-up argon gas stirs.
That adopts utilizes flow-injection groove in the metal smelting device that gravitional force drives, flow control board identical with embodiment 1 with overflow launder.Flow-injection groove 1 bottom connects the funnel type rotational flow generator, and the funnel type cyclone is made up of bullet 3, mixing tube 7 and deflector 5, becomes 15 ° of angles between the plane that circle belongs at the bottom of the conical inner face and the conical inner face; Other parts are with embodiment 1.
Adopt said apparatus to carry out dephosphorization, desulfurization and desiliconization test, method of work is with embodiment 1, and difference is: ladle is raised the back when the flow-injection groove beam, and the molten metal exit of ladle is higher than flow-injection groove top 1.5m; The content of phosphorus, sulphur and silicon reaches expectation index in the molten steel, and effect is better than the metallurgical effect that the winding-up argon gas stirs.
That adopts utilizes flow-injection groove in the metal smelting device that gravitional force drives, flow control board identical with embodiment 1 with overflow launder.Flow-injection groove 1 bottom connects the funnel type rotational flow generator, and the funnel type cyclone is made up of bullet 3, mixing tube 7 and deflector 5, becomes 75 ° of angles between the plane that circle belongs at the bottom of the conical inner face and the conical inner face; Other parts are with embodiment 1.
Adopt said apparatus to carry out dephosphorization, desulfurization and desiliconization test, method of work is with embodiment 1, and difference is: ladle is raised the back when the flow-injection groove beam, and the molten metal exit of ladle is higher than flow-injection groove top 0.5m; The content of phosphorus, sulphur and silicon reaches expectation index in the molten steel, and effect is better than the metallurgical effect that the winding-up argon gas stirs.
Claims (2)
1. metal smelting device that utilizes gravitional force to drive; Comprise beam device, funnel type rotational flow generator and overflow launder; The overflow launder top is provided with the funnel type rotational flow generator, and the mixing tube of funnel type rotational flow generator is inserted in the overflow launder, and funnel type rotational flow generator top is provided with the beam device; Described funnel type rotational flow generator comprises bullet and mixing tube; The conical inner face lower end of bullet is connected with the mixing tube upper end, forms the funnel type structure; It is characterized in that: conical inner face is equipped with 4 deflectors at least; Described deflector is board-type or circular arc template, and each deflector has two wide and four leptoprosopy; Described deflector evenly distributes on conical inner face, and each the deflector shape that is distributed on the same conical inner face is identical; A leptoprosopy of each deflector is connected with conical inner face, and its upper end joins with the tip circle of conical inner face, and the lower sideline and the guide face of the lateral surface of each deflector are tangent; Become 15 °～75 ° angles between the plane at circle place and the conical inner face at the bottom of the described conical inner face; Described beam device is made up of flow-injection groove and flow control board, and flow-injection groove is the fluted body structure, and the flow-injection groove bottom is provided with orifice, and flow control board places on the orifice, has the Flow-rate adjustment hole on the flow control board; Orifice in the projection on the conical inner face between two deflectors; Described overflow launder is made up of inner drum and outside drum, and inner drum and outside drum are formed by cylinder type sidewall and base plate, and the base plate of inner drum is the part of outer circle barrel soleplate; The mixing tube bottom is arranged in inner drum.
2. one kind is adopted the described method of utilizing the metal smelting device enforcement metal smelt of gravitional force driving of claim 1; Comprise with in the molten metal hopper type rotational flow generator, add metallurgical pulvis, in overflow launder, remove impurity and emit molten metal; It is characterized in that described is that ladle is raised with molten metal hopper type rotational flow generator with adding metallurgical pulvis, utilizes the gravity beam in flow-injection groove molten metal, adds metallurgical pulvis simultaneously; Regulate through the flow control board in the flow-injection groove again; Through orifice beam between each deflector of funnel type rotational flow generator, under the gravity effect, the molten metal between each deflector flows to mixing tube along deflector; Tangential direction along the extension face of cylinder of mixing tube when molten metal breaks away from deflector is moved; Molten metal between each deflector gets into eddy flow takes place in the mixing tube, produces strong stirring action, carries out the chemical reaction of desiliconization, desulfurization or dephosphorization; Described when utilizing the gravity beam in flow-injection groove metallic solution, the molten metal exit of ladle is higher than flow-injection groove top 0.5～1.5m.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100114001A CN101550468B (en) | 2009-05-04 | 2009-05-04 | Metal smelting device driven by gravitational potential energy and method thereof |
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| CN2009100114001A CN101550468B (en) | 2009-05-04 | 2009-05-04 | Metal smelting device driven by gravitational potential energy and method thereof |
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| CN101550468A CN101550468A (en) | 2009-10-07 |
| CN101550468B true CN101550468B (en) | 2012-05-23 |
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| CN102133618B (en) * | 2011-03-18 | 2013-04-24 | 四川鑫星铝业有限责任公司 | Aluminum alloy casting filter unit |
| JP2016052629A (en) * | 2014-09-04 | 2016-04-14 | 株式会社Ihi | Desulfurization apparatus |
| CN104793649B (en) * | 2015-04-21 | 2017-05-31 | 永兴县东宸有色金属再生利用有限公司 | Lead solution emission control system |
| CN113134580B (en) * | 2021-04-26 | 2022-05-20 | 兰州理工大学 | Preparation method and preparation device of metal semi-solid non-dendritic crystal slurry |
| CN113509747A (en) * | 2021-06-11 | 2021-10-19 | 瑞安市人民医院 | Traditional Chinese medicine purification separator and purification method |
| CN113559771B (en) * | 2021-09-18 | 2021-12-14 | 常熟市春来机械有限公司 | Multifunctional chemical carbon fiber product raw material mixing equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2402389Y (en) * | 2000-01-14 | 2000-10-25 | 孟楚年 | Gravity-driven mixing device for solid particle materials |
| CN2813079Y (en) * | 2005-05-31 | 2006-09-06 | 宝山钢铁股份有限公司 | Spiral-flow funnel shape rotary mixer |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2402389Y (en) * | 2000-01-14 | 2000-10-25 | 孟楚年 | Gravity-driven mixing device for solid particle materials |
| CN2813079Y (en) * | 2005-05-31 | 2006-09-06 | 宝山钢铁股份有限公司 | Spiral-flow funnel shape rotary mixer |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2006-239668A 2006.09.14 |
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Granted publication date: 20120523 Termination date: 20130504 |