EP1567276A1 - Stauch-setzmaschine - Google Patents
Stauch-setzmaschineInfo
- Publication number
- EP1567276A1 EP1567276A1 EP03767572A EP03767572A EP1567276A1 EP 1567276 A1 EP1567276 A1 EP 1567276A1 EP 03767572 A EP03767572 A EP 03767572A EP 03767572 A EP03767572 A EP 03767572A EP 1567276 A1 EP1567276 A1 EP 1567276A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lifting
- rocker
- cylinder
- pressure oil
- braking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 241001584775 Tunga penetrans Species 0.000 title abstract 2
- 238000006073 displacement reaction Methods 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 12
- 239000003245 coal Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 3
- 239000011707 mineral Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 239000008247 solid mixture Substances 0.000 claims description 2
- 101100495769 Caenorhabditis elegans che-1 gene Proteins 0.000 claims 1
- 239000010720 hydraulic oil Substances 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 12
- 239000006096 absorbing agent Substances 0.000 description 5
- 230000035939 shock Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/02—Washing granular, powdered or lumpy materials; Wet separating using shaken, pulsated or stirred beds as the principal means of separation
- B03B5/10—Washing granular, powdered or lumpy materials; Wet separating using shaken, pulsated or stirred beds as the principal means of separation on jigs
- B03B5/24—Constructional details of jigs, e.g. pulse control devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/02—Washing granular, powdered or lumpy materials; Wet separating using shaken, pulsated or stirred beds as the principal means of separation
- B03B5/10—Washing granular, powdered or lumpy materials; Wet separating using shaken, pulsated or stirred beds as the principal means of separation on jigs
- B03B5/12—Washing granular, powdered or lumpy materials; Wet separating using shaken, pulsated or stirred beds as the principal means of separation on jigs using pulses generated mechanically in fluid
- B03B5/18—Moving-sieve jigs
Definitions
- the invention relates to an upsetting machine for sorting solid mixtures such as raw coal or other minerals in a separating liquid such as water according to density, in particular for the pre-separation of mountains, with a rocker that can pivot in the water bath and carry the seed material carrier and the seed material experiences a downward stroke when dropped under the influence of gravity.
- the swiveling upward movement that is, the upward stroke of the seed rocker takes place through the pressurization of a single-acting hydraulic cylinder acting on the rocker.
- the rocker After reaching a lifting height of z. B. 300 to 400 mm, the rocker is dropped and by its own weight (including good material) of z. B. about 4000 to 5000 kg moved down again.
- the loaded rocker falls at the end their downward movement to at least two hydraulic shock absorbers, which are able to transmit the forces released when the rocker falls down as smoothly as possible. It has been found that with this type of swing arm drive the stroke frequency of the swing arm is limited to approx. 40 strokes per minute.
- the shock absorbers are subject to wear and undesirable heat development.
- the invention has for its object to provide an upsetting machine with a swinging up and down swinging seed swing, which is controllable with respect to its stroke and / or its stroke frequency while overcoming previous limits and which does not require any wear-resistant shock absorbers.
- the seed rocker is driven neither with a conventional single-acting hydraulic cylinder nor with a conventional so-called double-acting hydraulic cylinder. Rather, the drive of the seedlings rocker is designed according to the invention as a lifting and braking cylinder, utilizing a single working space of the cylinder to fulfill several purposes.
- a pressure oil supply and discharge line, into which a proportional control valve is integrated, is connected to this cylinder work chamber.
- the lift and brake cylinder is equipped with a cylinder piston displacement measurement, the measurement signal of which is fed via a displacement transducer to a controller that is operatively connected to the proportional control valve to control the upward and downward movement and thus the lifting height and / or the lifting frequency of the rocker.
- the control intervention on the proportional control valve takes place in such a way that pressure oil is introduced through the pressure oil supply and discharge line into the working space of the lifting and braking cylinder until the piston reaches top dead center, and that the rocker is lowered to lower the rocker initially in free fall, pressure oil is displaced from the cylinder work space and pressure oil is discharged through the same line with subsequent hydraulic braking of the cylinder piston before bottom dead center is reached.
- the hydraulic drive cylinder thus simultaneously takes over the function of a controlled swing arm shock absorber, ie there is no need for the swing arm's own mechanical shock absorber to limit the swinging stroke.
- the working cycle of the lifting and braking cylinder is thus composed of the lifting phase of the swing arm, the free-fall phase of the swing arm and the braking phase of the swing arm, with all three phases being individually controllable.
- This allows the seed hopper to be controlled with regard to its stroke and / or its stroke frequency, while overcoming previous limits, and the operation of the upsetting machine with regard to throughput and / or selectivity depending on the respective sorting process, the respective mineral mixture to be sorted, etc. can be further optimized.
- FIG. 1 schematically in vertical section an upsetting machine for density sorting of raw coal in operation
- Fig. 2 drawn out as a detail drawing the drive of the
- Fig. 3 the up and down movement of the seedlings swing of the figure
- the density sorting of the raw coal 10 given takes place in a water bath 11.
- the loosening of the material required for sorting is produced by swiveling up and swiveling down a set material rocker 12 in the water bath 11 with swivel axis 13.
- the crossbar 15 of a hydraulic cylinder is articulated to a crossbar of the rocker 12 at an anchoring point 14, which is designed according to the invention as a lifting and braking cylinder 16.
- the lifting height of the rocker 12, which is part of a circular arc, is indicated by the double arrow 17.
- the lifting height 17 of the rocker is z. B. about 300 to 400 mm at a stroke frequency of z. B. 40 strokes per minute.
- the good 10 to be sorted is transported through the upsetting machine by the movements of the rocker 12 and by the good slope pressure. While the specifically heavier mountains 18 are drawn off via a discharge roller 19, the specifically lighter coal and the middle goods 20 are drawn off via a separate slide. Both products, namely piles and coal / middle goods, are discharged from the setting machine separately from one another by means of a twin lifting wheel 21 and are dewatered, while the fine material 22 which has fallen into the barrel through the setting material carrier is discharged from the bottom of the setting machine and a fine A displacement measurement 23 of the piston 24 is integrated in the articulated lifting and braking cylinder 16, which is shown enlarged in FIG.
- the measurement signal being fed via a signal line to a displacement transducer 25, which in turn is connected to a controller 27 via a signal line 26 ,
- a pressure oil supply and discharge line 28, into which a proportional control valve 29 is integrated, is connected to the working space of the cylinder 16.
- the lifting and braking cylinder 16 is operatively connected via the controller 27 via a further signal line 30 to the proportional control valve 29 for controlling the upward movement and the downward movement and thus the lifting height 17 and / or the lifting frequency of the seed rocker 12.
- the working cycle of the lifting and braking cylinder 16 is composed of three phases, namely the lifting phase of the rocker 12, the free-fall phase of the rocker and a braking phase of the rocker, all three phases are individually controllable.
- the difference between the upper and lower piston positions of the lifting and braking cylinder 16 corresponds to the lifting height 17 of the rocker 12 from z. B. 350 mm, the lifting height range between the limits of top dead center OT and bottom dead center UT of the cylinder piston 24.
- the proportional control valve 29 is switched into the pressure oil network between the motor-driven hydraulic oil pump 31 of the hydraulic unit and the working space of the lifting and braking cylinder 16.
- the control intervention on the proportional control valve 29 takes place in such a way that for lifting, ie for the upward movement of the rocker 12, pressure oil through the pressure oil supply and discharge before top dead center OT is reached, and that in order to lower the rocker 12, the rocker 12 first falls in free fall, displacing pressure oil from the cylinder work space and discharging pressure oil through the same line 28, with subsequent hydraulic braking of the cylinder piston 24 before reaching the lower one Dead center UT.
- a controllable electronic clock system 32 contained in the proportional control valve 29 ensures that the pressure oil line 28 is acted upon in a precisely timed manner in order to maintain the three successive periodic time intervals for the lifting phase, free-fall phase and braking phase of the rocker 12, these three phases each having one Work cycle of the lifting and braking cylinder 16 result.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combined Means For Separation Of Solids (AREA)
- Fluid-Pressure Circuits (AREA)
- Glass Compositions (AREA)
- Golf Clubs (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10255321A DE10255321A1 (de) | 2002-11-27 | 2002-11-27 | Stauch-Setzmaschine |
DE10255321 | 2002-11-27 | ||
PCT/EP2003/012933 WO2004047996A1 (de) | 2002-11-27 | 2003-11-19 | Stauch-setzmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1567276A1 true EP1567276A1 (de) | 2005-08-31 |
EP1567276B1 EP1567276B1 (de) | 2007-07-04 |
Family
ID=32318725
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03767572A Expired - Lifetime EP1567276B1 (de) | 2002-11-27 | 2003-11-19 | Stauch-setzmaschine |
Country Status (8)
Country | Link |
---|---|
US (1) | US7571815B2 (de) |
EP (1) | EP1567276B1 (de) |
CN (1) | CN1318145C (de) |
AT (1) | ATE366143T1 (de) |
AU (1) | AU2003292044B2 (de) |
DE (2) | DE10255321A1 (de) |
WO (1) | WO2004047996A1 (de) |
ZA (1) | ZA200504211B (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101823016B (zh) * | 2010-03-19 | 2012-07-04 | 陈义 | 湿式振摆联合重力选矿机 |
DE102012201042A1 (de) | 2012-01-25 | 2013-07-25 | Mbe Coal & Minerals Technology Gmbh | Verfahren zum Betrieb einer Luftsetzmaschine |
CN104863912B (zh) * | 2014-11-06 | 2017-05-24 | 山东泰安煤矿机械有限公司 | 用于动筛跳汰机的液控系统 |
CN104747622A (zh) * | 2015-02-06 | 2015-07-01 | 张斐斐 | 一种振动分选机转轴制动器 |
CN205518163U (zh) * | 2016-01-26 | 2016-08-31 | 张路征 | 联体三产品动筛跳汰机 |
CN112888506B (zh) * | 2018-08-17 | 2023-06-09 | 普欧萨汀吉格斯国际(私人)有限公司 | 分离装置和方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2734736C2 (de) * | 1977-08-02 | 1984-08-16 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Austragssteuerverfahren für eine druckluftgesteuerte Naßsetzmaschine |
GB2141641B (en) * | 1983-06-20 | 1986-04-30 | Krupp Polysius Ag | Percussion jig |
DE3322137A1 (de) * | 1983-06-20 | 1984-12-20 | Krupp Polysius Ag, 4720 Beckum | Stauchsetzmaschine |
DE3428824A1 (de) | 1984-08-04 | 1986-02-13 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Verfahren und vorrichtung zur regelung einer setzmaschine, insbesondere einer stauchsetzmaschine |
DE3531240C2 (de) * | 1984-10-09 | 1987-02-12 | MAN Gutehoffnungshütte GmbH, 4200 Oberhausen | Elektronische Ventilsteuerung für Setzmaschinen |
US5207742A (en) * | 1992-03-09 | 1993-05-04 | Svedala Industries, Inc. | Control apparatus for coal/mineral jigs |
DE4302672C1 (de) * | 1993-01-30 | 1994-05-26 | Ruhrkohle Ag | Setzmaschine mit pneumatischer Ventilsteuerung |
AUPN531995A0 (en) * | 1995-09-08 | 1995-10-05 | University Of Queensland, The | Dynamic monitoring and control of jigs |
DE102004048071A1 (de) * | 2004-10-02 | 2006-04-20 | Ina-Schaeffler Kg | Ventiltrieb für ein nockenbetätigtes Hubventil |
-
2002
- 2002-11-27 DE DE10255321A patent/DE10255321A1/de not_active Withdrawn
-
2003
- 2003-11-19 WO PCT/EP2003/012933 patent/WO2004047996A1/de active IP Right Grant
- 2003-11-19 AU AU2003292044A patent/AU2003292044B2/en not_active Expired
- 2003-11-19 CN CNB2003801044312A patent/CN1318145C/zh not_active Expired - Lifetime
- 2003-11-19 AT AT03767572T patent/ATE366143T1/de not_active IP Right Cessation
- 2003-11-19 EP EP03767572A patent/EP1567276B1/de not_active Expired - Lifetime
- 2003-11-19 DE DE50307630T patent/DE50307630D1/de not_active Expired - Lifetime
- 2003-11-19 US US10/536,521 patent/US7571815B2/en active Active
-
2005
- 2005-05-24 ZA ZA2005/04211A patent/ZA200504211B/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2004047996A1 * |
Also Published As
Publication number | Publication date |
---|---|
US7571815B2 (en) | 2009-08-11 |
DE10255321A1 (de) | 2004-06-17 |
ZA200504211B (en) | 2006-02-22 |
AU2003292044B2 (en) | 2008-10-23 |
WO2004047996A1 (de) | 2004-06-10 |
US20060163123A1 (en) | 2006-07-27 |
CN1318145C (zh) | 2007-05-30 |
WO2004047996A9 (de) | 2005-07-21 |
AU2003292044A1 (en) | 2004-06-18 |
DE50307630D1 (de) | 2007-08-16 |
ATE366143T1 (de) | 2007-07-15 |
CN1717281A (zh) | 2006-01-04 |
EP1567276B1 (de) | 2007-07-04 |
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