EP1567275A1 - Dissolving station - Google Patents
Dissolving stationInfo
- Publication number
- EP1567275A1 EP1567275A1 EP03788824A EP03788824A EP1567275A1 EP 1567275 A1 EP1567275 A1 EP 1567275A1 EP 03788824 A EP03788824 A EP 03788824A EP 03788824 A EP03788824 A EP 03788824A EP 1567275 A1 EP1567275 A1 EP 1567275A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- trough
- insert
- dissolving
- shaft
- active surface
- 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
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
Definitions
- the invention relates to a dissolving plant for granular material, in particular for soft-bodied components such as clay and / or clay-laden minerals, nodular mineral conglomerates o. ⁇ .
- the plant has a trough with an inlet and an outlet for the good, between inlet and Outlet is conveyed through the trough.
- a driven in rotation, equipped with wedge tools shaft is arranged in the longitudinal axis of the trough.
- EP 0 712 665 A1 discloses a washing system for gravel containing slurries.
- the system has wash tools that include a wedge angle with the trough circumference to provide a strong wedge effect on the product. This results in a high pressure build-up and a strong squeezing, fretting and dissolving effect on the material to be treated.
- the shape of the trough is basically not critical either, as the trough hogs during operation. This means that a tank forms on the trough wall adhering Guts, which extends in the circumferential direction of the shaft and between the and the wedging tools remains a working gap.
- the Beschamottieren the trough is desirable because it counteracts the wear.
- the typical shape of an upwardly open trough with a shaft therein can be found in DE 24 54 443 A1 or GB 2 081 117 A.
- the trough has a semi-cylindrical bottom and vertical side walls.
- the shaft lies in the cylinder longitudinal axis.
- bottom and walls of a trough of the dissolving plant according to the invention can be prefabricated accordingly, but this is not mandatory. Also at In other trough shapes, it can be assumed that this shell inner contour of the trough usually sets in by shuffling.
- the object of the invention is to provide a dissolving system of the type mentioned with improved dissolution effect.
- the trough is narrowed at the tool rising side above the central axis of the shaft away from the vertical upwards and inwards. This lengthens the scope over which pressure builds up on the goods in the upward movement of the wedging tools.
- the trough is retracted to form the constriction.
- the trough is narrowed by an insert therein.
- the trough narrowing the insert can be rigid.
- An advantage of this variant is that the insert easily hoggles. But there is a risk of damage in a transition to coarser grain or the unexpected accumulation of coarse-grained impurities in the estate.
- the trough narrowing insert is movable.
- the insert can be articulated in particular to the trough.
- the insert is elastically buffered on the trough. This prevents that to be treated good between trough and use sets and affects the mobility of the insert.
- the insert is spring-loaded against the trough.
- spring is a helical compression spring made of spring steel into consideration. Also preserved is a gas spring, which should preferably be adjustable in their spring characteristic.
- the active surface runs in the direction of rotation of the shaft to the wedging tools, so that narrows the wedge gap. This is particularly recommended on the last degrees of centrifuge lengthened by the insert, over which an upward movement of wedging tools with strong wedging action occurs.
- the active surface of the insert is structured in the manner to be treated holding manner. This promotes the shuffling of the insert and counteracts the wear.
- the active surface may in particular be provided with parallel grooves which extend in the longitudinal direction of the shaft. Preferably, the grooves have a U-profile.
- the insert is provided with at least one of the active surface reinforcing insert made of ceramic or hard metal.
- the trough is provided at the constriction with identical or non-identical Schl prepare only accounts.
- the latter are supported for force introduction in the direction of rotation in front form fit to the trough or insert.
- Figs. 1, 2 and Fig. 5 to Fig. 8 All of the disintegrators shown in the drawing have a tray with a bottom 10 and vertical side walls 12.
- the bottom 10 is semi-cylindrical, rectangular in Fig. 3 and prismatic in Fig. 4.
- a shaft 14 is arranged, which is equipped with wedge tools 16.
- wedge tools 16 With regard to their attachment and design can be made to EP 0 712 665 AI and DE 202 18 917.1 Ul reference.
- the dissolver systems serve to rid granular mineral material from adhering soft components. To do this, the systems usually run wet. The trough is flowed through in countercurrent with the material to be treated by water. However, the use of water for washing the Guts is not mandatory for the invention. There are special cases in which dissolution plants run better dry.
- the trough is provided with inserts in the illustrated embodiments. That creates flexibility. You can work with or without use as needed. Mind you there is also the possibility to retract the side wall 12 of the trough and thereby achieve the desired gap narrowing.
- the trough of the dissolver plants in operation to a thickness thick, which is indicated by the line 18. It forms on the ground and over large parts of the trough circumference a tank of material to be treated, which adheres to the trough. The mixing is desired. It counteracts the wear.
- the invention aims to extend the zuschamottierende operatespar- tie the trough in the upward direction of rotation of the seated on the shaft 14 wedge tools 16, thereby improving the dissolving effect.
- internals are suitable, which take the place of the non-forming from home tank, or zuschamott in part or completely in the desired manner.
- a wedge-shaped insert 20 is rigidly attached to the vertical side wall 12 of the trough, at which the upward rotation of the shaft 14 with the wedging tools 16 takes place.
- the base 22 of the wedge is located at the height of the shaft axis.
- the flat inclined surface (active surface) 26 of the wedge narrows the gap between the trough wall 12 and shaft 14 above the shaft axis. The wedge fires over approximately half the length of the active surface 26, in the thickness of the tank, which forms in the bottom region of the trough.
- a wedge-shaped insert 20 similar to that of FIG. 1 is designed as a housing with chambers 28 open toward the shaft.
- the planar partitions 30 between the chambers 28 are directed substantially radially to the shaft 14.
- an insert 20 at the level of the central axis of the shaft is pivotally mounted on the trough wall 12.
- the pivot axis 32 is directed parallel to the shaft 14.
- the surface of the insert 20 according to FIG. 4 is simply stepped polygonal, so that two flat oblique surfaces (active surfaces) 26 are formed with a substantially tangential inclination to the shaft 14.
- an elastic pad 34 made of rubber or a gum iähnlichen material is arranged between the insert 20 and the wall 12 of the trough.
- the pad 34 serves for elastic buffering. It prevents that the material to be treated settles between the insert and the trough wall and impairs the joint mobility of the insert.
- a hinged insert 20 is buffered against the trough wall 12 in addition to the elastic pad 34 with a helical compression spring mounted above it.
- the active surface 26 of the insert 20 is curved coaxially with the shaft 14 in the circumferential direction. It has at the height of the shaft axis a distance from the trough wall 12, which corresponds approximately to the thickness of the tank, which forms below the insert 20 by Beschamottieren.
- U-shaped grooves 38 are provided, which enforce in operation with good.
- inserts 40 made of ceramic or hard metal are provided in the grooves 38, which completely fill the grooves 38.
- the insert 20 is graduated in a double polygonal manner, so that three flat oblique surfaces (active surfaces) 26 are formed with a substantially tangential inclination to the shaft 14.
- the inserts 20 are hinged below the shaft axis on the trough wall 12 and buffered with an elastic pad 34 and a gas spring 42 mounted above it against the trough wall 12.
- the gas spring 42 is adjustable in its spring characteristic.
- the inclined active surfaces 26 of the insert 20 are formed by three identical Schllustrate arrangementsn 44, which are provided with grooves 38.
- the wear sets 44 are positively supported in the direction of rotation at the front of lugs 46 of the insert 20.
Landscapes
- Mixers Of The Rotary Stirring Type (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Working-Up Tar And Pitch (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Pretreatment Of Seeds And Plants (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20218919U | 2002-12-06 | ||
DE20218919U DE20218919U1 (en) | 2002-12-06 | 2002-12-06 | pulping unit |
PCT/DE2003/003897 WO2004052546A1 (en) | 2002-12-06 | 2003-11-25 | Dissolving station |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1567275A1 true EP1567275A1 (en) | 2005-08-31 |
EP1567275B1 EP1567275B1 (en) | 2012-03-21 |
Family
ID=7977709
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03788824A Expired - Lifetime EP1567275B1 (en) | 2002-12-06 | 2003-11-25 | Dissolving station |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1567275B1 (en) |
AT (1) | ATE550100T1 (en) |
AU (1) | AU2003292988A1 (en) |
DE (1) | DE20218919U1 (en) |
ES (1) | ES2383264T3 (en) |
WO (1) | WO2004052546A1 (en) |
ZA (1) | ZA200503874B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20218917U1 (en) | 2002-12-06 | 2003-03-06 | Müller & Co. Aufbereitungstechnik AG, Stetten | pulping unit |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4341778C1 (en) * | 1993-12-08 | 1995-06-08 | Hermann Trestler | Single shaft washing machine for removing mineral waste from objects |
-
2002
- 2002-12-06 DE DE20218919U patent/DE20218919U1/en not_active Expired - Lifetime
-
2003
- 2003-11-25 EP EP03788824A patent/EP1567275B1/en not_active Expired - Lifetime
- 2003-11-25 AT AT03788824T patent/ATE550100T1/en active
- 2003-11-25 ES ES03788824T patent/ES2383264T3/en not_active Expired - Lifetime
- 2003-11-25 WO PCT/DE2003/003897 patent/WO2004052546A1/en not_active Application Discontinuation
- 2003-11-25 AU AU2003292988A patent/AU2003292988A1/en not_active Abandoned
-
2005
- 2005-05-13 ZA ZA200503874A patent/ZA200503874B/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2004052546A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE20218919U1 (en) | 2003-03-06 |
EP1567275B1 (en) | 2012-03-21 |
AU2003292988A1 (en) | 2004-06-30 |
WO2004052546A1 (en) | 2004-06-24 |
ZA200503874B (en) | 2006-08-30 |
ATE550100T1 (en) | 2012-04-15 |
ES2383264T3 (en) | 2012-06-19 |
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