CN101396727A - Aluminium shot production technique and special device thereof - Google Patents
Aluminium shot production technique and special device thereof Download PDFInfo
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- CN101396727A CN101396727A CNA2008102308261A CN200810230826A CN101396727A CN 101396727 A CN101396727 A CN 101396727A CN A2008102308261 A CNA2008102308261 A CN A2008102308261A CN 200810230826 A CN200810230826 A CN 200810230826A CN 101396727 A CN101396727 A CN 101396727A
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Abstract
The invention discloses a technology for producing aluminum shots and special equipment using the technology. The aluminum shot is produced as follows: aluminum liquid is directly used, shaped by a particle swing plate, cooled off in cooling water that contains salt, washed and dried on a conveyor. The special equipment for producing the aluminum shot comprises a smelter and an insulating package, the particle swing plate is arranged at the lower part of the insulating package and positioned at the upper part of a cylindrical circulation cooling water tank, a stream bore taking a shape of parabola in horizontal direction is arranged on the side wall of the particle swing plate, the cylindrical circulation cooling water tank is filled with salt water with a mass percent concentration of 20%-30%, the bottom of the cylindrical circulation cooling water tank is connected with a solution pond by a pipeline, a separate mesh is arranged along the inclined plane outside the mouth of the cylindrical circulation cooling water tank, the outlet of the separate mesh is connected with a conveying mechanism with sprockets and chains, and the conveying mechanism is provided with an aluminum shot drying equipment that is used for drying in the conveying of the aluminum shots. The equipment has the advantages of simple structure, easy operation, high production efficiency, and is suitable for semiautomatic production of oxide-free aluminum shot used for steel-making in steelworks.
Description
Technical field
The invention belongs to the production technology and the equipment of alloy raw material, be specifically related to a kind of production technology of aluminium shot and use the special equipment of this technology, be mainly used in semiautomatic production of oxide-free aluminum shot.
Background technology
Aluminium shot is the production alloy materials, is to be ball or compressed globular alumina particles substantially, therefore is called aluminium shot.Requirement to aluminium shot in the production is that specification is wanted basically identical, feeds intake when being beneficial to alloy production.
At present steel mill's deoxidation in steel making is with aluminium shot (grain), and the production method of employing has two kinds usually: 1, be that aluminium liquid is cast and made the aluminium bar after aluminium ingot melts again, pass through special-purpose pelleter again, be cut into the granular of 10 millimeter.This production method complex process, operation is many, and aluminium decreases big, uses plurality of devices, the labour cost height, the energy loss height, one-time investment is big.2, be aluminium ingot to be dropped into melting furnace be melted to 725-750 ℃, after degasification, slagging-off, the tundish (claiming casting ladle again) that has an aperture is put in the aluminium fusing, aluminum melt flows out to the mini-roundabout of a tilting rotation from aperture, and that the rotating disk that aluminum melt is rotated is divided into is not of uniform size, form is similar to the spherical shape aluminium shot that partly solidifies.Then, the aluminium shot that begins to take shape rolls into the solid shape of cooling on the traffic cycle that has refrigerating function, collects, rejects mutual adhesion or aluminium block in irregular shape then.This method also causes the percent defective height because partly solidify the mutual adhesion of shape aluminium shot except that needing the higher energy because of needs fusings aluminium ingot, and size and shape are all inhomogeneous, need manually pick up choosing, so production efficiency are also very low.
Summary of the invention:
For solving the above-mentioned defective that prior art exists, the object of the present invention is to provide a kind of technology simple, operating cost is low, the yield rate height, the aluminium shot shape is even, the aluminium shot production technique that production efficiency is high.
The present invention also provides the special equipment that uses this technology, and it is simple in structure, and is easy to operate, is adapted to semiautomatic production of oxide-free aluminum shot.
For achieving the above object, the technical solution used in the present invention is: this aluminium shot production technique is characterized in that producing by following process: (1), aluminium ingot is melted by smelting furnace; (2), aluminium liquid flows in the insulation bag, flow into the flow that gets rid of the grain dish by stopper control aluminium liquid, getting rid of the grain dish rotates under rotating speed 60～90r/min, aluminium liquid is thrown out of from the parabola hole, being granular aluminium liquid falls into and fills the cylinder recirculated cooling water case that mass percent concentration is 20%-30% salt solution, brine temp is at 50 ℃～80 ℃, aluminium liquid cooled and solidified 1～2 minute in recirculated water; (3), the aluminium shot of cooling forming falls into aluminium shot salt water separation device from cylinder recirculated cooling water case, isolated aluminium shot is carried through the sprocket wheel chain conveying mechanism, and is dried by the aluminium shot drying unit, the finished product aluminium shot.
Use the special equipment of this aluminium shot production technique, has smelting furnace, the insulation bag, it is characterized in that: the bottom of described insulation bag is provided with stopper, the action of controlling organization control stopper, the bottom of insulation bag is provided with gets rid of the grain dish, get rid of grain and coil the top that is positioned at cylinder recirculated cooling water case, the sidewall that gets rid of the grain dish is provided with and is parabola shaped fluid hole on the horizontal plane direction, transmission mechanism gets rid of the grain dish by the connecting rod connection, filling mass percent concentration in the cylinder recirculated cooling water case is 20%～30% salt solution, cylinder recirculated cooling water case bottom is connected with solution pool by pipeline, cylinder recirculated cooling water case bottom is an inclined-plane, cylinder recirculated cooling water case open outer side is provided with separate mesh along bevel direction, and the bottom of separate mesh is a solution pool, and the outlet of separate mesh is connected with the sprocket wheel chain conveying mechanism, the sprocket wheel chain conveying mechanism is provided with the aluminium shot drying unit, dries in the aluminium shot course of conveying.
Described fluid hole is arranged on apart from getting rid of a tray bottom more than 30 millimeters, and get rid of the grain dish and be arranged on 100 millimeter apart from the refrigerated brine liquid level,
The inlet of described cylinder recirculated cooling water case bottom pipe tangentially enters cylinder recirculated cooling water case, forms rotary water current, and the prolongation aluminium shot is in the moulding cool time of recirculated cooling water case.
Adopt the beneficial effect of technique scheme to be: this aluminium shot production technique has been simplified production process, directly with aluminium liquid by getting rid of a disc molding, after in the saliferous cooling water, cooling off, on conveyer through cleaning, drying.Whole technology is simple, aluminium liquid is getting rid of grain dish at the uniform velocity under the rotation, aluminium liquid is thrown out of from the parabola hole, the aluminium liquid even particle size that is thrown out of, granular aluminium liquid just in time falls into and fills the cylinder recirculated cooling water case that mass percent concentration is 20%～30% salt solution under 60～90r/min rotating speed, aluminium liquid cooled and solidified in recirculated water, solution circulates, and aluminium liquid does not cool off in solution the phenomenon that bonds can occur.Whole process automation degree height, easy to operate, the production efficiency height, cost is low.
The special equipment of the production technology of this aluminium shot is provided with stopper in the bottom of insulation bag, the action of controlling organization control stopper, keep aluminium liquid flow into the insulation bag the bottom get rid of a dish speed, make the liquid level that gets rid of aluminium liquid in the grain dish constant, the rotating speed that gets rid of the grain dish is again at the uniform velocity, the sidewall that gets rid of the grain dish is provided with and is parabola shaped fluid hole on the horizontal plane direction, aluminium liquid tangentially is thrown out of, thereby make the aluminium liquid uniform particles that throws away, filling mass percent concentration in the cylinder recirculated cooling water case is 20%-30% salt solution, cylinder recirculated cooling water case bottom is connected with solution pool by pipeline, recirculated water is avoided the bonding of aluminium liquid particle, good cooling results, cylinder recirculated cooling water case bottom is an inclined-plane, cylinder recirculated cooling water case open outer side is provided with separate mesh along bevel direction, the bottom of separate mesh is a solution pool, open drain hole, aluminium shot passes through the separate mesh landing to the sprocket wheel chain conveying mechanism under the gravity effect, salt solution flows into the solution pool from separate mesh, the sprocket wheel chain conveying mechanism is provided with the aluminium shot drying unit, dries in the aluminium shot course of conveying.This special equipment has ensured described implementation of processes, and is simple in structure, is adapted to semiautomatic production of oxide-free aluminum shot.
Description of drawings
Below in conjunction with accompanying drawing specific embodiments of the invention are described in further detail.
Fig. 1 is the structural representation of special equipment of the present invention.
Fig. 2 is the structure for amplifying schematic diagram that gets rid of the grain dish.
The specific embodiment
The production technology of this aluminium shot is characterized in that producing by following process: (1), aluminium ingot is melted by smelting furnace; (2), aluminium liquid flows in the insulation bag, flow into the flow that gets rid of the grain dish by stopper control aluminium liquid, getting rid of the grain dish rotates under rotating speed 60～90r/min, aluminium liquid is thrown out of from the parabola hole, being granular aluminium liquid falls into and fills the cylinder recirculated cooling water case that mass percent concentration is 20%～30% salt solution, brine temp is at 50 ℃～80 ℃, aluminium liquid cooled and solidified 1～2 minute in recirculated water; (3), the aluminium shot of cooling forming falls into aluminium shot salt water separation device from cylinder recirculated cooling water case, isolated aluminium shot is carried through the sprocket wheel chain conveying mechanism, and is dried by the aluminium shot drying unit, the finished product aluminium shot.
As Fig. 1, the special equipment of the production technology of the aluminium shot shown in 2, has smelting furnace 1, smelting furnace is connected with insulation bag 2 by running channel, bottom at the insulation bag is provided with stopper 3, stopper is by the action of 3 controlling organizations control stopper, the bottom of insulation bag is provided with gets rid of grain dish 4, a sidewall that gets rid of grain dish is provided with and a plurality ofly is parabola shaped aluminium liquid portals 5 on the horizontal plane direction, for preventing that fluid hole from stopping up, fluid hole is arranged on apart from getting rid of a tray bottom more than 30 millimeters, transmission mechanism 6 gets rid of grain dish 4 by the connecting rod connection, get rid of grain dish 4 and be positioned at the top of cylinder recirculated cooling water case 7, filling mass percent concentration in the cylinder recirculated cooling water case 7 is 20%～30% salt solution, get rid of the grain dish and be arranged on 100 millimeter apart from the refrigerated brine liquid level, be more conducive to the moulding of aluminium liquid, cylinder recirculated cooling water case 7 bottoms are connected with solution pool 10 by pipeline, the inlet of cylinder recirculated cooling water case bottom pipe tangentially enters cylinder recirculated cooling water case, form rotary water current, the prolongation aluminium shot is in the moulding cool time of recirculated cooling water case.Cylinder recirculated cooling water case bottom is an inclined-plane 8, cylinder recirculated cooling water case open outer side is provided with separate mesh 9 along bevel direction, the bottom of separate mesh is a solution pool 10, the outlet of separate mesh is connected with sprocket wheel chain conveying mechanism 11, the sprocket wheel chain conveying mechanism is provided with the aluminium shot drying unit, dries in the aluminium shot course of conveying.
Claims (4)
1, a kind of aluminium shot production technique is characterized in that producing by following process:
(1), by smelting furnace aluminium ingot is melted;
(2), aluminium liquid flows in the insulation bag, flow into the flow that gets rid of the grain dish by stopper control aluminium liquid, getting rid of the grain dish rotates under rotating speed 60～90r/min, aluminium liquid is thrown out of from the parabola hole, being granular aluminium liquid falls into and fills the cylinder recirculated cooling water case that mass percent concentration is 20%-30% salt solution, brine temp is at 50 ℃～80 ℃, aluminium liquid cooled and solidified 1～2 minute in recirculated water;
(3), the aluminium shot of cooling forming falls into aluminium shot salt water separation device from cylinder recirculated cooling water case, isolated aluminium shot is carried through the sprocket wheel chain conveying mechanism, and is dried by the aluminium shot drying unit, the finished product aluminium shot.
2, a kind of special equipment that is used for aluminium shot production technique, has smelting furnace, the insulation bag, it is characterized in that: the bottom of described insulation bag is provided with stopper, the action of controlling organization control stopper, the bottom of insulation bag is provided with gets rid of the grain dish, get rid of grain and coil the top that is positioned at cylinder recirculated cooling water case, the sidewall that gets rid of the grain dish is provided with and is parabola shaped fluid hole on the horizontal plane direction, transmission mechanism gets rid of the grain dish by the connecting rod connection, filling mass percent concentration in the cylinder recirculated cooling water case is 20%～30% salt solution, cylinder recirculated cooling water case bottom is connected with solution pool by pipeline, cylinder recirculated cooling water case bottom is an inclined-plane, cylinder recirculated cooling water case open outer side is provided with separate mesh along bevel direction, and the bottom of separate mesh is a solution pool, and the outlet of separate mesh is connected with the sprocket wheel chain conveying mechanism, the sprocket wheel chain conveying mechanism is provided with the aluminium shot drying unit, dries in the aluminium shot course of conveying.
3, the special equipment that is used for aluminium shot production technique according to claim 2 is characterized in that: described fluid hole is arranged on apart from getting rid of a tray bottom more than 30 millimeters, gets rid of the grain dish and is arranged on 100 millimeter apart from the refrigerated brine liquid level.
4, the special equipment that is used for aluminium shot production technique according to claim 2, it is characterized in that: the inlet of described cylinder recirculated cooling water case bottom pipe tangentially enters cylinder recirculated cooling water case, form rotary water current, the prolongation aluminium shot is in the moulding cool time of recirculated cooling water case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102308261A CN101396727A (en) | 2008-11-11 | 2008-11-11 | Aluminium shot production technique and special device thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102308261A CN101396727A (en) | 2008-11-11 | 2008-11-11 | Aluminium shot production technique and special device thereof |
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| CN101396727A true CN101396727A (en) | 2009-04-01 |
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| CNA2008102308261A Pending CN101396727A (en) | 2008-11-11 | 2008-11-11 | Aluminium shot production technique and special device thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103223481A (en) * | 2013-04-09 | 2013-07-31 | 宁夏新和新材科技有限公司 | Method and device for preparing high-purity and high-activity aluminium shots |
| CN109500403A (en) * | 2018-12-14 | 2019-03-22 | 新疆众和股份有限公司 | A kind of preparation method of high-purity aluminum shot |
-
2008
- 2008-11-11 CN CNA2008102308261A patent/CN101396727A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103223481A (en) * | 2013-04-09 | 2013-07-31 | 宁夏新和新材科技有限公司 | Method and device for preparing high-purity and high-activity aluminium shots |
| CN109500403A (en) * | 2018-12-14 | 2019-03-22 | 新疆众和股份有限公司 | A kind of preparation method of high-purity aluminum shot |
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Open date: 20090401 |