专利摘要:
A vibratory centrifuge for the dewatering of coal sludge, washed small coal or slack which comprises a revolvable conical screen which has a diameter that increases towards its discharge end. The conical screen is vibratable in an axial direction and includes radial steps each having a height of at least 20 mm to rearrangement or loosen the material in the zone of each step.
公开号:SU988177A3
申请号:SU782636903
申请日:1978-07-19
公开日:1983-01-07
发明作者:Шлебуш Людвиг;Шиле Херберт
申请人:Зибтехник Гмбх (Фирма);
IPC主号:
专利说明:

The invention relates to a device for separating heterogeneous systems under the action of centrifugal forces and can be used in coal npo-j forging.
Centrifuges are known for both ejection, coal, in which the movement of the material | Ala along the wall of the rotor is carried out '' due to the communication of axial vibra- ; tions to the rotor. The rotors of such centrifuges have the shape of a truncated cone, but the angle of inclination of their walls to the vertical is less than the angle of friction of the material along the walls with £ 1J and [2).
It is closest to the proposed centrifuge with vibrational discharge of sediment for coal dehydration, containing ~ 20 containing a cone-shaped drum consisting of a number of perforated shells mounted one above the other, connected by flat rings to form steps [2].
In this embodiment, the centrifuge moving towards the discharge side of the drum, the layers of material are loosened, which reduces the resistance to the passage of liquid. 30 steps, with the width of each flat However, * only the stepped form of the drum does not provide the desired degree of dehydration.
Pel invention - increasing the degree of dehydration.
This goal is achieved by the fact that in a centrifuge with vibrational discharge of sediment for coal dehydration, containing a cone-shaped drum, consisting of a number of perforated shells mounted one above the other, interconnected by flat rings with the formation of steps, the width of each flat ring is 0.02-0, 06 of the largest diameter of the drum.
The drawing schematically shows a centrifuge, a longitudinal section.
The centrifuge contains a housing 1, in which a cone-shaped drum 2 is placed, which has rotational and axial motion drives, a feed pipe 3 with a distributing crowns 2. 4. ‘
Drum 2 consists of a number of perforated shells 5 mounted one above the other, connected by flat rings 6 to form a ring 6 of which is 0.02-0.06 of the largest diameter of the drum.
The centrifuge operates as follows.
Through the feed pipe 3, coal slurry or wet fine coal to be dehydrated enters the distribution funnel 4, and from it into the cavity of the drum 2, where it is dehydrated by centrifugal forces. The separated liquid passes through 10 perforations of the shells into the collector, and the sediment moves under the action of axial vibrations of the drum to the discharge side of the latter.
Due to the fact that the width of each ^ flat ring connecting the shells is 0.02-0.06 of the largest diameter of the drum, sufficient separation and loosening of the material at each stage of the drum is achieved, and individual particles of water again easily and unobstructed enter the surface of the shell and pass through its perforation.
Practice has shown that when using the described centrifuge, for example, for dehydration of wet fine coal with a grain size of 10-0) 5 mm and an initial humidity of 20-30%, the final humidity can be reached
6-8.5%, while previously the final humidity was 7-10%.
权利要求:
Claims (1)
[1]
Claim
A centrifuge with vibrational discharge of a sediment for coal dehydration, containing a cone-shaped drum consisting of a series of perforated shells mounted one above the other, interconnected by flat rings to form steps, characterized in that, in order to increase the degree of dehydration, the width of each flat ring is 0, 02-0.06 of the largest diameter of the drum.
类似技术:
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同族专利:
公开号 | 公开日
BE871591A|1979-02-15|
GB2006631A|1979-05-10|
DE7733219U1|1978-04-13|
JPS5465880A|1979-05-26|
AU3998278A|1980-03-27|
GB2006631B|1982-02-17|
US4253961A|1981-03-03|
ZA783882B|1979-07-25|
JPS618749B2|1986-03-17|
AU520314B2|1982-01-28|
引用文献:
公开号 | 申请日 | 公开日 | 申请人 | 专利标题

NL87645C|1953-02-10|
NL195573A|1954-04-09|
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NL250351A|1959-04-10|JPS5965755U|1982-10-25|1984-05-02|
JPS6362272B2|1983-11-02|1988-12-01|
DE3410423C2|1984-03-21|1988-06-30|Krauss-Maffei Ag, 8000 Muenchen, De|
ZA883274B|1987-05-12|1988-11-14|Surescreen Manufacturing Co. Pty. Ltd.|Separating apparatus|
AU708438B2|1994-01-24|1999-08-05|Tema Engineers Pty Limited|Pre-dewatering cone|
AUPM350194A0|1994-01-24|1994-02-17|Tema Engineers Pty Ltd|Centrifuge for the dewatering of particulate material|
AU698183B2|1994-01-24|1998-10-29|Tema Engineers Pty Limited|Laterally stepped centrifuge basket for the dewatering of particulate material|
US7534358B2|2006-03-20|2009-05-19|Elgin National Industries, Inc.|Horizontal vibratory centrifuge apparatus|
US20110198269A1|2010-02-16|2011-08-18|Grant Young|Vibratory screen device|
法律状态:
优先权:
申请号 | 申请日 | 专利标题
DE7733219U|DE7733219U1|1977-10-28|1977-10-28|VIBRATION CENTRIFUGE FOR THE DRAINAGE OF CARBON SLUDGE|
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