CN102554248B - Ferronickel granulation method and ferronickel granulation device - Google Patents
Ferronickel granulation method and ferronickel granulation device Download PDFInfo
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Abstract
The invention relates to a ferronickel granulation method, which includes the steps: treating high-temperature molten ferronickel by using a granulation device; collecting the high-temperature molten ferronickel into a molten iron jar and conveying the molten iron jar to a tipping device through conveying equipment; starting the granulation device and leading a horizontally rotating granulation disc to be 500-1000 revolution per minute; stating the tipping device to pour the high-temperature molten ferronickel into a hopper with an outlet positioned above the horizontally rotating granulation disc; dropping the high-temperature molten ferronickel into the horizontally rotating granulation disc in the granulation device, centrifugally sputtering and granulating the high-temperature molten ferronickel by the horizontally rotating granulation disc to form high-temperature molten ferronickel grains, and crushing and cooling the high-temperature molten ferronickel grains through jet stream to form smaller ferronickel grains; dropping the ferronickel grains into a water quenching bin and forming fine ferronickel grains by means of water quenching; dewatering the fine ferronickel grains by a lifting dewaterer and feeding the fine ferronickel grains into a fine ferronickel grain collecting bin. The fine ferronickel grains generated by the ferronickel granulation method are small in grain size, and steelmaking time can be shortened.
Description
Technical field
The present invention relates to a kind of ferronickel granulation processing method, use granulating device to handle the high temperature nickel molten iron, described granulated processed device comprises granulation tank body, disc type pelletizer, promotes dehydrator; 1600 ℃-1630 ℃ high temperature nickel molten iron are handled to form particle diameters be 5 millimeters-20 millimeters ferronickel fine grained.
Background technology
Need to add the ferronickel raw material in the stainless steel production, the particle when the ferronickel piece is gone into stove is more little, can shorten the duration of heat of steel-making more, thereby saves the power consumption of electric furnace, and the way of prior art is with the ferro nickel ingot mechanical crushing.The size of the ferronickel fragment that prior art generates is bigger, generally is 200 millimeter, promptly increases ground ingredients and has strengthened the stainless steel smelting cost again.Chinese patent 97228276.9 discloses a kind of wheel method furnace slag particle makeup and has put, comprise transmission device, slag slide mouth, pelletizer, dehydrator, hopper, the slag of being discharged by blast furnace is injected in the pelletizer by slag slide mouth, is provided with the granulation wheel in pelletizer slag is carried out fragmentation; Meanwhile, there is cooling water to be sprayed onto on the slag it is carried out Water Quenching, make slag become fine granularity, fall in the dehydrator again and dewater, by hopper short grained grain slag is exported granulating device at last; This apparatus structure is reasonable in design.But, in processing procedure,, easily cause granulation, cooling insufficient often because the variation of slag amount, cause occurring the red slag of bulk, influenced the quality of finished product slag; A large amount of steam that moment produces accumulate in the equipment, and the temperature and pressure in the device is increased severely, and explosion accident happens occasionally.Therefore, need to propose a kind of ferronickel granulation processing method and device.
Summary of the invention
The object of the present invention is to provide a kind of ferronickel granulation processing method, use granulating device to handle the high temperature nickel molten iron, described granulated processed device comprises granulation tank body, disc type pelletizer, promotes dehydrator; 1600 ℃-1630 ℃ high temperature nickel molten iron are handled to form particle diameters be 5 millimeters-20 millimeters ferronickel fine grained.
The objective of the invention is to realize by following technical proposals: a kind of ferronickel granulation processing method, use granulating device to handle the high temperature nickel molten iron; Described granulated processed device comprises granulation tank body, disc type pelletizer, promotes dehydrator; The top of described granulation tank body is provided with ferronickel water inlet, the top of granulation tank body is provided with granulation flue dust collecting storehouse, the middle part of granulation tank body is provided with the granulated processed storehouse, and the bottom of granulation tank body is provided with the Water Quenching storehouse, and bottom, Water Quenching storehouse is communicated with described lifting dehydrator bottom; Described disc type pelletizer is set in the described granulated processed storehouse, and disc type pelletizer top is provided with and horizontally rotates pelletizing disc, and the bottom is provided with drive unit; Top, described Water Quenching storehouse is provided with the grid filtration device, and the middle part is provided with water injector, and the top is provided with the overflow water recovery apparatus; Described granulated processed is provided with jet-propelled air-cooling apparatus in the storehouse; Described ferronickel granulation treatment step is:
A, 1600 ℃-1630 ℃ high temperature nickel molten iron is collected in the hot-metal bottle, this hot-metal bottle is transported on the tipple by transporting equipment;
B, the described granulated processed device of startup, the described rotating speed that horizontally rotates pelletizing disc is 500～1000 rev/mins;
C, the described tipple of startup are injected into described high temperature nickel molten iron in the hopper, and this hopper outlet is positioned at the described pelletizing disc top that horizontally rotates;
D, described hopper guiding high temperature nickel molten iron fall into horizontally rotating on the pelletizing disc of described granulated processed device, carry out centrifugal sputter granulated processed and form high temperature nickel molten iron particle by horizontally rotating pelletizing disc, high temperature nickel molten iron particle forms less ferronickel particle through jet-stream wind fragmentation, cooling;
E, described ferronickel particle fall into the Water Quenching storehouse of described granulated processed device, form the ferronickel fine grained by Water Quenching; The fine grain particle diameter of described ferronickel is 5 millimeters-20 millimeters; Water temperature in the described Water Quenching storehouse remains on 40 ℃-80 ℃;
F, described lifting dehydrator dewater described ferronickel fine grained, send into ferronickel fine particle collection storehouse.
Second purpose of the present invention is to provide a kind of ferronickel granulation treating apparatus, and this granulated processed device comprises granulation tank body, disc type pelletizer, promotes dehydrator; Utilization horizontally rotates pelletizing disc the centrifugal sputter granulated processed of high temperature nickel molten iron is become the ferronickel fine grained.
Second purpose of the present invention realized by following technical proposals: a kind of ferronickel granulation treating apparatus, comprise granulation tank body, disc type pelletizer, and promote dehydrator; The top of described granulation tank body is provided with ferronickel water inlet, the top of granulation tank body is provided with granulation flue dust collecting storehouse, the middle part of granulation tank body is provided with the granulated processed storehouse, and the bottom of granulation tank body is provided with the Water Quenching storehouse, and the bottom in this Water Quenching storehouse is communicated with described lifting dehydrator bottom; Described disc type pelletizer is set in the described granulated processed storehouse, and the top of this disc type pelletizer is provided with and horizontally rotates pelletizing disc, and the bottom of this disc type pelletizer is provided with drive unit; The top in described Water Quenching storehouse is provided with the grid filtration device, and the middle part in described Water Quenching storehouse is provided with water injector, and the top in described Water Quenching storehouse is provided with the overflow water recovery apparatus; Described granulated processed is provided with jet-propelled air-cooling apparatus in the storehouse.
The present invention compared with prior art has following advantage:
1, the present invention utilizes the granulated processed device to handle the high temperature nickel molten iron, 1600 ℃-1630 ℃ high temperature nickel molten iron is handled to form particle diameters be 5 millimeters-20 millimeters ferronickel fine grained, has saved mechanical crushing process, has saved cost.
2, the fine grain particle diameter of ferronickel of the present invention's generation is little, can shorten the duration of heat of steel-making, thereby saves the power consumption of electric furnace.
3, the fine grain particle diameter of ferronickel of the present invention's processing is even, treatment process safety.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the ferronickel granulation treating apparatus structure chart of embodiment three;
Fig. 3 is the rotating cylinder layout in the drum-type secondary pelletizer of embodiment three;
Fig. 4 is the barrel configuration figure in the drum-type secondary pelletizer;
Fig. 5 is the rotating cylinder electric structure figure in the drum-type secondary pelletizer.
The specific embodiment
Embodiment one:
A kind of ferronickel granulation processing method uses granulating device to handle the high temperature nickel molten iron; Referring to Fig. 1, described granulated processed device comprises granulation tank body, disc type pelletizer, promotes dehydrator; The top of described granulation tank body is provided with ferronickel water inlet, the top of granulation tank body is provided with granulation flue dust collecting storehouse, the middle part of granulation tank body is provided with the granulated processed storehouse, and the bottom of granulation tank body is provided with the Water Quenching storehouse, and bottom, Water Quenching storehouse is communicated with described lifting dehydrator bottom; Described disc type pelletizer is set in the described granulated processed storehouse, and disc type pelletizer top is provided with and horizontally rotates pelletizing disc, and the bottom is provided with drive unit; Top, described Water Quenching storehouse is provided with the grid filtration device, and the middle part is provided with water injector, and the top is provided with the overflow water recovery apparatus; Described granulated processed is provided with jet-propelled air-cooling apparatus in the storehouse, and granulating device can also adopt the device of embodiment two; Described ferronickel granulation treatment step is:
A, 1600 ℃-1630 ℃ high temperature nickel molten iron is collected in the hot-metal bottle 5, this hot-metal bottle is transported to (tipple belongs to prior art, does not show among the figure) on the tipple by transporting equipment;
B, the described granulated processed device of startup, the described rotating speed that horizontally rotates pelletizing disc is 500～1000 rev/mins; Preferred rotating speed is 800 rev/mins;
C, the described tipple of startup are injected into described high temperature nickel molten iron in the hopper 4, and this hopper outlet is positioned at the described pelletizing disc top that horizontally rotates; Hopper also can be called fixed chute, and the flow maximum of injecting the high temperature nickel molten iron can reach per minute 1.5-1.6 ton;
D, described hopper guiding high temperature nickel molten iron falls into and horizontally rotates on the pelletizing disc, carries out centrifugal sputter granulated processed and forms high temperature nickel molten iron particle by horizontally rotating pelletizing disc, and high temperature nickel molten iron particle is through jet-stream wind fragmentation, the less ferronickel particle of cooling formation; The speed of jet-stream wind is the 20-50 meter per second, and temperature is 20 ℃-40 ℃;
E, described ferronickel particle fall into the Water Quenching storehouse, form the ferronickel fine grained by Water Quenching; The fine grain particle diameter of described ferronickel is 5 millimeters-20 millimeters; Water temperature in the described Water Quenching storehouse remains on 40 ℃-80 ℃;
F, lifting dehydrator dewater described ferronickel fine grained, send into ferronickel fine particle collection storehouse 31.
In the present embodiment; in order to obtain better granulation effect; among the described ferronickel granulation treatment step D, form less ferronickel particle through jet-stream wind fragmentation, cooling and in parabola shaped dropping process, strike on the rotating cylinder in the drum-type secondary pelletizer by further broken.The structure and layout of drum-type secondary pelletizer are not described in detail referring to embodiment three herein.In the present embodiment, the chemical composition of high temperature nickel molten iron, technical performance and smelting process belong to prior art, are not described in detail.
Embodiment two:
Referring to Fig. 1, a kind of ferronickel granulation treating apparatus comprises granulation tank body 1, disc type pelletizer 2, promotes dehydrator 3; The top of described granulation tank body is provided with ferronickel water inlet 11, the top of granulation tank body is provided with granulation flue dust collecting storehouse 12, the middle part of granulation tank body is provided with granulated processed storehouse 13, the bottom of granulation tank body is provided with Water Quenching storehouse 14, Water Quenching storehouse bottom is communicated with described lifting dehydrator 3 bottoms, the centre valve 144 of can connecting; Described disc type pelletizer is set in the described granulated processed storehouse, and disc type pelletizer top is provided with and horizontally rotates pelletizing disc 21, and the bottom is provided with drive unit 22; Top, described Water Quenching storehouse is provided with grid filtration device 141, and the middle part is provided with water injector 143, and the top is provided with overflow water recovery apparatus 142; Jet-propelled air-cooling apparatus 131 is set in the described granulated processed storehouse, and referring to Fig. 2, in the present embodiment, jet-propelled air-cooling apparatus comprises spout 133, the high pressure cold access port 134 of cooling cover 132, a plurality of horizontal-jets.The CONSTRUCTED SPECIFICATION of the ferronickel granulation treating apparatus of present embodiment can also be understood referring to Fig. 2.
The present invention is fixed on (not shown) on the reinforced concrete foundation, and in the present embodiment, the granulation tank body is taper barrel, and the barrel dliameter of granulation tank body is 4 meters, highly is 5 meters.The granulation flue dust collecting storehouse that the top of granulation tank body is provided with is an endless tube shape structure, disposes the air-introduced machine exhaust chimney and is connected (exhaust chimney omission) in the present embodiment with one by dedusting interface 121, and the barrel dliameter of exhaust chimney is 1 meter.
In the present embodiment, water injector on the Water Quenching storehouse is around evenly distributed a plurality of water spouts (143) around the Water Quenching bulkhead, water injector also comprises water circulating pump and circulating line, and circulating line is communicated with (not showing the cooling pond among the figure) recirculated cooling water with the cooling pond flow is 800-1000m
3/ h.Overflow water recovery apparatus on the Water Quenching storehouse is communicated with (not shown) by circulating line (water return pipeline) with the cooling pond.Top, Water Quenching storehouse is provided with the grid filtration device, and high temperature nickel molten iron particle filters through the grid filtration device earlier before entering bottom, Water Quenching storehouse, and the particle that particle separation diameter is excessive stops the excessive grain slag of particle diameter to stop up outlet.
Disc type pelletizer top is provided with and horizontally rotates pelletizing disc, hopper 4 guiding high temperature nickel molten iron fall into and horizontally rotate on the pelletizing disc, carry out centrifugal sputter granulated processed and form high temperature nickel molten iron particle by horizontally rotating pelletizing disc, high temperature nickel molten iron particle forms less ferronickel particle through jet-stream wind fragmentation, cooling; Hopper also can be called fixed chute, and resistant to elevated temperatures lining material is arranged in it.Horizontally rotate pelletizing disc and drive rotation by transmission device in the drive unit and drive motors, transmission device comprises a vertical vertical shaft and a trunnion axis, vertical shaft and trunnion axis are in transmission connection by bevel gear, trunnion axis is arranged in the shrend storehouse, vertical shaft is provided with cooling cover 132 outward, and the cooling cover bottom is provided with high pressure cold access port 134, and cooling cover top is provided with the spout 133 of a plurality of horizontal-jets, form a jet layer in plane, adopt jet-stream wind fragmentation, cooling ferronickel particle; In the present embodiment, promote dehydrator and belong to prior art, bottom, Water Quenching storehouse and the valve that promotes between the dehydrator can adopt closed rotating vane batcher (or claiming rotary valve), and this rotary valve belongs to prior art, is not described in detail.
Heat-resisting and shock-resistant ability for the rotation pelletizing disc of improving the standard; in the present embodiment; horizontally rotate the pelletizing disc surface boride ceramics protective layer is set; the setting of boride ceramics protective layer is to adopt special process to generate; it is a kind of boride-nitride complex-phase ceramic; sintering temperature is 1700 ℃, and the surface need polish smooth, and realizes effect high temperature resistant, that do not adhere to slag.
In order to improve the service life of granulation tank body, scribble wear-resistant heat-resisting paint in the granulation tank body.
Embodiment three:
Present embodiment is the improvement to disclosed ferronickel granulation treating apparatus among the embodiment two, and present embodiment and embodiment two identical parts are not described in detail, and disclosed technology contents also belongs to the disclosed technology contents of present embodiment among the embodiment two.
Referring to Fig. 1 and Fig. 2, ferronickel granulation treating apparatus comprises granulation tank body, disc type pelletizer, promotes dehydrator; The top of described granulation tank body is provided with ferronickel water inlet 11, the top of granulation tank body is provided with granulation flue dust collecting storehouse 12, the middle part of granulation tank body is provided with the granulated processed storehouse, and the bottom of granulation tank body is provided with the Water Quenching storehouse, and the bottom in this Water Quenching storehouse is communicated with described lifting dehydrator bottom; Described disc type pelletizer is set in the described granulated processed storehouse, and the top of this disc type pelletizer is provided with and horizontally rotates pelletizing disc, and the bottom of this disc type pelletizer is provided with drive unit; The top in described Water Quenching storehouse is provided with grid filtration device 141, and the middle part in described Water Quenching storehouse is provided with water injector 143, and the top in described Water Quenching storehouse is provided with overflow water recovery apparatus 142; Jet-propelled air-cooling apparatus 131 is set in the described granulated processed storehouse.The disc type pelletizer is fixed by at least three horizontal supporting plates 23 that are provided with radially and the flase floor in the grid filtration device and granulation tank body; horizontal supporting plate and disc type pelletizer top are fixed; flase floor and disc type pelletizer bottom are fixed; this fixed form belongs to the routine techniques measure, is not described in detail.In the present embodiment, jet-propelled air-cooling apparatus comprises spout 133, the high pressure cold access port 134 of cooling cover 132, a plurality of horizontal-jets.Vertical shaft and trunnion axis in the drive unit are in transmission connection by bevel gear, and trunnion axis is arranged in the shrend storehouse and is cooled off by flowing water flow, and vertical shaft is provided with cooling cover outward, by the high pressure cold cooling of flowing.
Referring to Fig. 2, Fig. 3, Fig. 4, (Fig. 3 is the A-A cutaway view of Fig. 2) in order to improve the granulation effect, obtains the more ferronickel particle of small particle diameter.In the present embodiment, the pelletizing disc that horizontally rotates in the described disc type pelletizer is provided with drum-type secondary pelletizer 24 on every side; End face in the described granulation flue dust collecting storehouse 12 is provided with annular suspension bracket 242(or 241), hang a plurality of rotating cylinders 243 from above by suspension rod 2431 on this annular suspension bracket; Described rotating cylinder comprises a cylindrical shell 2432, with fixing horizontal upper bracket 2433 and the horizontal lower carriage 2434 of the inwall of cylindrical shell, be positioned at the vertical pivot 2435 at cylindrical shell center, described horizontal upper bracket and horizontal lower carriage are installed together by bearing and described vertical shaft, on described horizontal upper bracket and the horizontal lower carriage water delivery duct 2430 are set; Fixedly connected with described suspension rod bottom in described vertical pivot top; A plurality of broken pile crowns 2436 are set on the outer surface of described cylindrical shell.
In the present embodiment; around horizontally rotating pelletizing disc two drum-type secondary pelletizers are set; be that end face in the granulation flue dust collecting storehouse is provided with two annular suspension brackets 242 and 241; the diameter of annular suspension bracket 241 is greater than the diameter of annular suspension bracket 242, and two annular suspension brackets are separately by four pull bar 2411(or 2421) fix with the end face in the granulation flue dust collecting storehouse.Annular suspension bracket 242 upper edge circumference evenly hang a plurality of rotating cylinders from above, annular suspension bracket 241 upper edge circumference evenly hang a plurality of rotating cylinders from above, rotating cylinder on rotating cylinder on the major diameter annular suspension bracket (241) and the minor diameter annular suspension bracket (242) is not on a reticule, generally speaking, the rotating cylinder on the major diameter annular suspension bracket is on the reticule of 1/2nd between adjacent two rotating cylinders on the minor diameter annular suspension bracket.Also can be understood as two-layer rotating cylinder is crisscross arranged.Referring to Fig. 4, suspension ring 2422 are set on the annular suspension bracket, suspension rod 2431 tops are provided with hook, articulate by this hook and suspension ring.The upper port of each rotating cylinder all is provided with an aqueduct 244, arrow among the figure is represented the flow direction of cooling water, the cooling water that flows out in the aqueduct enters rotating cylinder inside and is sprayed onto on the rotating cylinder inwall along the water delivery duct 2430 on horizontal upper bracket and the horizontal lower carriage, rotating cylinder is lowered the temperature, rotating cylinder outside wall surface temperature is remained in 30 ℃ of-60 ℃ of scopes, and cooling water is that circulating line provides by the cooling pond.The material selection cast steel material of cylindrical shell is provided with the boride ceramics protective layer on its outer surface and the broken pile crown.When the ferronickel granulation treating apparatus of present embodiment is worked, in parabola shaped dropping process, strike further fragmentation of quilt on the rotating cylinder, further improve the granulation effect by the ferronickel particle that horizontally rotates the pelletizing disc generation.The ferronickel particle promotes rotating cylinder simultaneously and freely rotates, and each periphery of rotating cylinder is contacted with the ferronickel particle, guarantees that the surface of ferronickel particle contact is the lower working face of temperature, helps the further cold quenching of ferronickel particle and decomposes, and generates littler particle diameter.In the present embodiment, two-layer rotating cylinder is crisscross arranged and can improves interception rate to the ferronickel particle, improves the granulation effect.
Referring to Fig. 5,, obtain the more ferronickel particle of small particle diameter in order further to improve the granulation effect.In the present embodiment; on the cylinder inboard wall of the rotating cylinder in the described drum-type secondary pelletizer ring gear 2437 is set; described vertical pivot middle part is provided with a drive unit installing rack 2441; this drive unit installing rack one side is provided with drive motors 2438; driving pinion 2440 is set on this motor output shaft; described drive unit installing rack claims a side that counterweight body 2439 is set in addition, and described driving pinion and the engagement of described ring gear are installed.When the ferronickel granulation treating apparatus of present embodiment was worked, rotating cylinder uniform rotation under the driving of motor improved the granulation effect.
Claims (5)
1. a ferronickel granulation processing method uses granulating device to handle the high temperature nickel molten iron; Described granulated processed device comprises granulation tank body, disc type pelletizer, promotes dehydrator; The top of described granulation tank body is provided with ferronickel water inlet, the top of granulation tank body is provided with granulation flue dust collecting storehouse, the middle part of granulation tank body is provided with the granulated processed storehouse, and the bottom of granulation tank body is provided with the Water Quenching storehouse, and bottom, Water Quenching storehouse is communicated with described lifting dehydrator bottom; Described disc type pelletizer is set in the described granulated processed storehouse, and disc type pelletizer top is provided with and horizontally rotates pelletizing disc, and the bottom is provided with drive unit; Top, described Water Quenching storehouse is provided with the grid filtration device, and the middle part is provided with water injector, and the top is provided with the overflow water recovery apparatus; Described granulated processed is provided with jet-propelled air-cooling apparatus in the storehouse; Described ferronickel granulation treatment step is:
A, 1600 ℃-1630 ℃ high temperature nickel molten iron is collected in the hot-metal bottle, this hot-metal bottle is transported on the tipple by transporting equipment;
B, the described granulated processed device of startup, the described rotating speed that horizontally rotates pelletizing disc is 500～1000 rev/mins;
C, the described tipple of startup are injected into described high temperature nickel molten iron in the hopper, and this hopper outlet is positioned at the described pelletizing disc top that horizontally rotates;
D, described hopper guiding high temperature nickel molten iron fall into horizontally rotating on the pelletizing disc of described granulated processed device, carry out centrifugal sputter granulated processed and form high temperature nickel molten iron particle by horizontally rotating pelletizing disc, high temperature nickel molten iron particle forms less ferronickel particle through jet-stream wind fragmentation, cooling;
E, described ferronickel particle fall into the Water Quenching storehouse of described granulated processed device, form the ferronickel fine grained by Water Quenching; The fine grain particle diameter of described ferronickel is 5 millimeters-20 millimeters; Water temperature in the described Water Quenching storehouse remains on 40 ℃-80 ℃;
F, described lifting dehydrator dewater described ferronickel fine grained, send into ferronickel fine particle collection storehouse.
2. ferronickel granulation processing method according to claim 1; it is characterized in that: among the described ferronickel granulation treatment step D, form less ferronickel particle through jet-stream wind fragmentation, cooling and in parabola shaped dropping process, strike on the rotating cylinder in the drum-type secondary pelletizer by further broken.
3. a ferronickel granulation treating apparatus comprises granulation tank body, disc type pelletizer, promotes dehydrator; It is characterized in that: the top of described granulation tank body is provided with ferronickel water inlet, the top of granulation tank body is provided with granulation flue dust collecting storehouse, the middle part of granulation tank body is provided with the granulated processed storehouse, the bottom of granulation tank body is provided with the Water Quenching storehouse, and the bottom in this Water Quenching storehouse is communicated with described lifting dehydrator bottom; Described disc type pelletizer is set in the described granulated processed storehouse, and the top of this disc type pelletizer is provided with and horizontally rotates pelletizing disc, and the bottom of this disc type pelletizer is provided with drive unit; The top in described Water Quenching storehouse is provided with the grid filtration device, and the middle part in described Water Quenching storehouse is provided with water injector, and the top in described Water Quenching storehouse is provided with the overflow water recovery apparatus; Described granulated processed is provided with jet-propelled air-cooling apparatus in the storehouse.
4. ferronickel granulation treating apparatus according to claim 3 is characterized in that: the pelletizing disc that horizontally rotates in the described disc type pelletizer is provided with drum-type secondary pelletizer on every side; End face in the described granulation flue dust collecting storehouse is provided with the annular suspension bracket, hangs a plurality of rotating cylinders from above by suspension rod on this annular suspension bracket; Described rotating cylinder comprises a cylindrical shell, with fixing horizontal upper bracket and the horizontal lower carriage of the inwall of cylindrical shell, be positioned at the vertical pivot at cylindrical shell center, described horizontal upper bracket and horizontal lower carriage are installed together by bearing and described vertical pivot, on described horizontal upper bracket and the horizontal lower carriage water delivery duct are set; Fixedly connected with described suspension rod bottom in described vertical pivot top; A plurality of broken pile crowns are set on the outer surface of described cylindrical shell.
5. ferronickel granulation treating apparatus according to claim 4; it is characterized in that: on the cylinder inboard wall of the rotating cylinder in the described drum-type secondary pelletizer ring gear is set; described vertical pivot middle part is provided with a drive unit installing rack; this drive unit installing rack one side is provided with drive motors; on this motor output shaft driving pinion is set; described drive unit installing rack claims a side that the counterweight body is set in addition, and described driving pinion and the engagement of described ring gear are installed.
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| CN 201210087398 CN102554248B (en) | 2011-11-15 | 2012-03-29 | Ferronickel granulation method and ferronickel granulation device |
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| CN102554248B (en) * | 2011-11-15 | 2013-07-24 | 唐山市嘉恒实业有限公司 | Ferronickel granulation method and ferronickel granulation device |
| CN103862056B (en) * | 2014-03-31 | 2015-08-12 | 唐山市嘉恒实业有限公司 | A kind of ferroalloy liquation granulating method |
| CN107127350B (en) * | 2017-05-19 | 2023-12-12 | 湖南久泰冶金科技有限公司 | High-speed centrifugal atomizing device for metal centrifugal atomizing powder preparation |
| CN113399674B (en) * | 2021-06-18 | 2023-02-03 | 唐山市嘉恒实业有限公司 | Metal granulating device with more uniform particles and preparation method |
| CN113549715B (en) * | 2021-08-02 | 2023-01-03 | 内蒙古纳顺装备工程(集团)有限公司 | System for molten iron granulation |
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| JPH10287453A (en) * | 1997-04-11 | 1998-10-27 | Ebara Corp | Discharge of molten slag |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1113842A (en) * | 1994-06-22 | 1995-12-27 | 赵学文 | Method for producing uniform granular iron and its equipment |
| WO2009084781A1 (en) * | 2007-12-27 | 2009-07-09 | Iljin Electric Co., Ltd. | Device of manufacturing rapidly solidified powder alloy used as anode active material for rechargeable li secondary cell |
| CN101612666A (en) * | 2009-06-15 | 2009-12-30 | 连云港倍特超微粉有限公司 | A kind of preparation method of alloy balls and device |
| CN202555827U (en) * | 2011-11-15 | 2012-11-28 | 唐山市嘉恒实业有限公司 | Ferronickel granulation processing apparatus |
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| Publication number | Publication date |
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| CN102554248A (en) | 2012-07-11 |
| CN202555827U (en) | 2012-11-28 |
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