CN104743587A - Method and device for rapid cooling of zirconia corundum abrasive during smelting - Google Patents
Method and device for rapid cooling of zirconia corundum abrasive during smelting Download PDFInfo
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- CN104743587A CN104743587A CN201510094010.0A CN201510094010A CN104743587A CN 104743587 A CN104743587 A CN 104743587A CN 201510094010 A CN201510094010 A CN 201510094010A CN 104743587 A CN104743587 A CN 104743587A
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- corundum abrasive
- cooling plate
- abrasive material
- zircon corundum
- cooling
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Abstract
The invention provides a method and a device for rapid cooling of zirconia corundum abrasive during smelting. After a zirconia corundum abrasive solution is smelted, a cooling plate clamp is soaked in the solution, and is lifted out in 5 seconds, and then the solution is extracted in turns; a supporting body is arranged on a base, a rotating body is arranged on the supporting body, a work table is arranged on the rotating body, and a control device is arranged on the work table; the rotating body in the work table is also provided with a reducing device and a driving device, and suspension arms are arranged on the outer side wall of the work table; the middle part of each suspension arm is hinged to a hydraulic power arm, and the other end of each hydraulic power arm is hinged to the rotating body; the cooling plate clamp is hung on the front end of each suspension arm. According to the method and the device, the cooling plate clamps are soaked in the zirconia corundum abrasive solution, and are lifted out in 5 seconds, namely the extraction of the solution is finished in 5 seconds by utilizing cracks between plates of the cooling plate clamps, so that crystals stop growing in 5 seconds, and thus the high-quality zirconia corundum abrasive with a crystal diameter smaller than 5-15 micrometers is obtained.
Description
Technical field
The present invention relates to the production method of zircon corundum abrasive material, specifically zircon corundum abrasive material smelts method for rapid cooling and device.
Background technology
Zircon corundum abrasive material was succeeded in developing from the sixties in last century, and the nineties China in latter stage starts to produce voluntarily, and period affects the core technology of zircon corundum abrasive qualities----process for cooling fast, never good terms of settlement.
Generally adopt at present and connect bag method process for cooling to produce zircon corundum abrasive material, the defect of this technique has: 1, to topple over the time used longer for solution, and solution is all poured into from dumping furnace and connects that bag is omnidistance approximately needs three to five minutes, and period, crystal was still in quick growth; 2, the required cooling fin of bag is connect more, general one connects minimum need 100 multi-disc of bag, the stack up that cooling fin is intensive, thus solution pour into connect bag after heat can not rapid dispersion, crystal is still with fast speed growth, and the zircon corundum abrasive material crystalline size finally obtained is general all more than 50 μm; 3, can form a thick layer of oxide skin connecing bag surface after solution cooling, yield rate is not high, and obtain cooling block also needs manually to use reciprocating drill scale removal, and work consuming is consuming time; 4, solution is in toppling process, even if the workman be skilled in technique also can be spattered and form unnecessary waste connecing beyond bag by some solution in operation.
Summary of the invention
The present invention is intended to by a kind of new method and apparatus, and make the solution in smelting furnace complete transfer and cooling fast, thus suppress zircon corundum abrasive material crystal growth, the special zircon corundum abrasive material that proposes smelts method for rapid cooling and device.
Technical scheme of the present invention is for this reason, and method for rapid cooling smelted by zircon corundum abrasive material, it is characterized in that: zircon corundum abrasive solution is smelted well, smelting furnace is shifted out, then be impregnated in solution by cooling plate fixture, propose in 5 seconds, rotation is carried out next group and is extracted.
Further improvement is: smelting furnace is shifted out by removable flatcar.
Quickly cooling device smelted by zircon corundum abrasive material, and comprise a base, it is characterized in that: base is provided with supporter, supporter is provided with rotator, and rotator is provided with workplatform, and workplatform is provided with control device; Rotator in workplatform is also provided with deceleration device and drive unit, and workplatform outer side wall is provided with arm; Wherein the middle part of arm is hinged with hydraulic power arm, and the other end of hydraulic power arm is hinged on rotator; The front end of arm is hung with cooling plate fixture.
Further improvement is: be provided with between rotator and workplatform and drive location ring gear.
Further improvement is: the arm on workplatform outer side wall is six, uniform on workplatform outer side wall.
Further improvement is: cooling plate fixture one group is 10 ~ 15 pieces; Polylith cooling plate top is provided with the pin-and-hole run through, and by bearing pin, cooling plate is conspired to create string in pin-and-hole; A plate face of every block cooling plate is provided with multiple boss, and the boss that staggers laterally is provided with multiple groove.
Further improvement is: the height of described single cooling plate is 530-550mm, width is 280-300mm, thickness is 30-35mm; Wherein the thickness of boss is 3-5mm, and the degree of depth of groove is 1-1.5mm.
Further improvement is: cooling plate and arc block use the fast material many with heat absorption of heat conduction to make.
Further improvement is: containing 8%--10% nickel and 5%---6% chromium in the material that heat conduction is fast and heat absorption is many, all the other are stainless steel.
Beneficial effect:
In the present invention, cooling plate fixture is impregnated in zircon corundum abrasive solution, propose in 5 seconds, namely utilize the crack between cooling plate and plate within 5 seconds, complete the extraction of solution, be beneficial to heat that the good heat absorption capacity of cooling plate takes away solution to make it to become and be less than 1000 DEG C solid-state simultaneously, crystal is stopped growing in 5 seconds, the high-quality zircon corundum abrasive material that crystal diameter is less than 5 ~ 15 μm can be obtained.
Smelting furnace is shifted out by removable flatcar, ensure that the steady of smelting furnace and safety.
Arranging of six arms is rationally safer, also has time enough to be taken away by cooled finished product, carries out the circulation of a new round.
It is to cooling plate be formed necessary gap that a plate face of every block cooling plate is provided with boss, zircon corundum abrasive solution is made to be cooled to sheet, more zircon corundum abrasive solution can be stayed in gap by arranging of groove, as much as possible zircon corundum abrasive solution is formed cooled sheet in mould.
8%--10% nickel and 5%---6% chromium, all the other are that stainless material not only has the time cooled fast, cooled zircon corundum abrasive material can easily can also be shaken off adhesion on mould.
The present invention makes crystal stop growing in 5 seconds, and the leaching process of a stove solution is greatly within 30 seconds, and its advantageous exists: 1, solution extraction time is short, and cooling plate one group of quantity is less, and permeability is good, rapid heat dissipation, effectively can suppress crystal growth; 2, the cooling plate fixture that controlled many group rotary suspension arms hold can be worked continuously, and substantially reduces solution extraction time; 3, the oxide skin of cooling plate chucking surface formation is less, even can ignore; 4, solution is all machine automatization operation from the production process extracting finished product block, and production efficiency is high, and recruitment is very few; 5, owing to being soak into operation, can not there is splash phenomena in solution, substantially do not waste in the process extracted; 6, after adopting present method, the recruitment time is 1/10th in the past, and work efficiency improves more than octuple, and yield rate rose to 99% by 85% of the past, and crystalline size narrows down to less than 15 microns by more than 50 microns.
Accompanying drawing explanation
Fig. 1 is the scheme of installation of the single arm of the present invention.
Fig. 2 is the front view of cooling plate fixture.
Fig. 3 is the sectional view of cooling plate fixture.
Fig. 4 is the plate face schematic diagram of monolithic cooling plate.
Fig. 5 is the sectional view of monolithic cooling plate.
Fig. 6 is the crystallization picture of zircon corundum abrasive material naturally cooling.
Fig. 7 is the crystallization picture of zircon corundum abrasive material cooling in 15 seconds.
Fig. 8 is the crystallization picture that zircon corundum abrasive material cools in 5 seconds fast.
In figure, 1 is base, and 2 is supporters, and 3 is rotatoies, 4 is workplatformes, and 5 is deceleration device, and 6 is drive units, 7 is hydraulic power arms, and 8 is arms, and 9 is cooling plate fixtures, 9-1 is cooling plate, 9-2 is boss, and 9-3 is groove, 9-4/5 pin-and-hole bearing pin, 10 is drive location ring gear, and 11 is control device.
Embodiment
The present invention is as shown in Fig. 1,2,3,4,5.
Concrete operation method of the present invention is: after smelting melted getting well smelted by zircon corundum abrasive material, by removable motor flatcar, smelting furnace is shifted out, then by cooling plate fixture 9(mono-group of 10---15 block that many group controllable rotating arms hold) be impregnated into zircon corundum abrasive material and smelt in solution and to utilize crack between cooling plate fixture 9 plate and plate within 5 seconds, complete the extraction of solution, be beneficial to heat that the good heat absorption capacity of cooling plate fixture 9 takes away solution to make it to become and be less than 1000 DEG C solid-state simultaneously, crystal is stopped growing in 5 seconds, the leaching process of one stove solution is greatly within 30 seconds.
In order to complete the extraction that solution smelted by zircon corundum abrasive material in 5 seconds, fast quick cooler smelted by the special zircon corundum abrasive material that proposes, and comprises a base 1, base 1 is provided with supporter 2, supporter 2 is provided with rotator 3, and rotator 3 is provided with workplatform 4, and workplatform 4 is provided with control device 11; Rotator 3 in workplatform 4 is also provided with deceleration device 5 and drive unit 6, workplatform 4 outer side wall is provided with arm 8; Wherein the middle part of arm 8 is hinged with hydraulic power arm 7, and the other end of hydraulic power arm 7 is hinged on rotator 3; The front end of arm 8 is hung with cooling plate fixture 9.
Be provided with between rotator 3 and workplatform 4 and drive location ring gear 10.
Arm 8 on workplatform 4 outer side wall is six, uniform on workplatform 4 outer side wall.
Cooling plate fixture 9 one groups is 10 ~ 15 pieces; Polylith cooling plate top is provided with the pin-and-hole 9-4 run through, and by bearing pin 9-5, cooling plate 9-1 is conspired to create string in pin-and-hole 9-4; A plate face of every block cooling plate 9-1 is provided with multiple boss 9-2, and the boss 9-2 that staggers laterally is provided with multiple groove 9-3.
The height of single cooling plate 9-1 is 530-550mm, width is 80-300mm, thickness is 30-35mm; Wherein the thickness of boss 9-2 is 3-5mm, and the degree of depth of groove 9-3 is 1-1.5mm, and these two sizes are benchmark based on cooling plate 9-1 thickness.
Cooling plate 9-1 uses the fast material many with heat absorption of heat conduction to make.
Containing 8%--10% nickel and 5%---6% chromium in the material that heat conduction is fast and heat absorption is many, all the other are stainless steel.
Fig. 6 is the crystallization picture of zircon corundum abrasive material at naturally cooling, and crystal size is 45 ~ 50 μm.
Fig. 7 is the crystallization picture of zircon corundum abrasive material cooling in 15 seconds, and crystal size is 20 ~ 30 μm.
Fig. 8 is the crystallization picture that zircon corundum abrasive material cools in 5 seconds fast, and crystal size is 5 ~ 15 μm.
Claims (9)
1. method for rapid cooling smelted by zircon corundum abrasive material, it is characterized in that: zircon corundum abrasive solution is smelted well, is shifted out by smelting furnace, is then impregnated in solution by cooling plate fixture, propose in 5 seconds, and rotation is carried out next group and extracted.
2. method for rapid cooling smelted by zircon corundum abrasive material according to claim 1, it is characterized in that: smelting furnace is shifted out by removable flatcar.
3. quickly cooling device smelted by zircon corundum abrasive material, and comprise a base, it is characterized in that: base is provided with supporter, supporter is provided with rotator, and rotator is provided with workplatform, and workplatform is provided with control device; Rotator in workplatform is also provided with deceleration device and drive unit, and workplatform outer side wall is provided with arm; Wherein the middle part of arm is hinged with hydraulic power arm, and the other end of hydraulic power arm is hinged on rotator; The front end of arm is hung with cooling plate fixture.
4. quickly cooling device smelted by zircon corundum abrasive material according to claim 3, it is characterized in that: be provided with between rotator and workplatform and drive location ring gear.
5. quickly cooling device smelted by the zircon corundum abrasive material according to claim 3 or 4, it is characterized in that: the arm on workplatform outer side wall is six, uniform on workplatform outer side wall.
6. quickly cooling device smelted by zircon corundum abrasive material according to claim 3, it is characterized in that: cooling plate fixture one group is 10 ~ 15 pieces; Polylith cooling plate top is provided with the pin-and-hole run through, and by bearing pin, cooling plate is conspired to create string in pin-and-hole; A plate face of every block cooling plate is provided with multiple boss, and the boss that staggers laterally is provided with multiple groove.
7. the zircon corundum abrasive material device for cooling according to claim 3 or 6, is characterized in that: the height of described single cooling plate is 530-550mm, width is 280-300mm, thickness is 30-35mm; Wherein the thickness of boss is 3-5mm, and the degree of depth of groove is 1-1.5mm.
8. the zircon corundum abrasive material refrigerating unit according to claim 3 or 6, is characterized in that: cooling plate and arc block use the fast material many with heat absorption of heat conduction to make.
9. zircon corundum abrasive material refrigerating unit according to claim 8, is characterized in that: containing 8%--10% nickel and 5%---6% chromium in the material that heat conduction is fast and heat absorption is many, all the other are stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510094010.0A CN104743587A (en) | 2015-03-03 | 2015-03-03 | Method and device for rapid cooling of zirconia corundum abrasive during smelting |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510094010.0A CN104743587A (en) | 2015-03-03 | 2015-03-03 | Method and device for rapid cooling of zirconia corundum abrasive during smelting |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3726621A (en) * | 1971-06-15 | 1973-04-10 | Carborundum Co | Apparatus for producing oxide refractory material having fine crystal structure |
| US3861849A (en) * | 1971-06-15 | 1975-01-21 | Carborundum Co | Apparatus for producing oxide refractory material having fine crystal structure |
| US4070796A (en) * | 1971-12-27 | 1978-01-31 | Norton Company | Method of producing abrasive grits |
| US4073096A (en) * | 1975-12-01 | 1978-02-14 | U.S. Industries, Inc. | Process for the manufacture of abrasive material |
| US5478510A (en) * | 1992-10-19 | 1995-12-26 | H.C. Starck Gmbh & Co Kg | Process for producing homogeneous structure abrasives |
| CN204529336U (en) * | 2015-03-03 | 2015-08-05 | 丹江口市北辰特种耐磨材料有限公司 | Quickly cooling device smelted by zircon corundum abrasive material |
-
2015
- 2015-03-03 CN CN201510094010.0A patent/CN104743587A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3726621A (en) * | 1971-06-15 | 1973-04-10 | Carborundum Co | Apparatus for producing oxide refractory material having fine crystal structure |
| US3861849A (en) * | 1971-06-15 | 1975-01-21 | Carborundum Co | Apparatus for producing oxide refractory material having fine crystal structure |
| US4070796A (en) * | 1971-12-27 | 1978-01-31 | Norton Company | Method of producing abrasive grits |
| US4073096A (en) * | 1975-12-01 | 1978-02-14 | U.S. Industries, Inc. | Process for the manufacture of abrasive material |
| US5478510A (en) * | 1992-10-19 | 1995-12-26 | H.C. Starck Gmbh & Co Kg | Process for producing homogeneous structure abrasives |
| CN204529336U (en) * | 2015-03-03 | 2015-08-05 | 丹江口市北辰特种耐磨材料有限公司 | Quickly cooling device smelted by zircon corundum abrasive material |
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Application publication date: 20150701 |