EP0992293B1 - Siebmaschine, insbesondere Taumelsiebmaschine - Google Patents
Siebmaschine, insbesondere Taumelsiebmaschine Download PDFInfo
- Publication number
- EP0992293B1 EP0992293B1 EP99119750A EP99119750A EP0992293B1 EP 0992293 B1 EP0992293 B1 EP 0992293B1 EP 99119750 A EP99119750 A EP 99119750A EP 99119750 A EP99119750 A EP 99119750A EP 0992293 B1 EP0992293 B1 EP 0992293B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- screen
- classifying
- outlet
- sorting
- ring segment
- 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.)
- Expired - Lifetime
Links
- 238000012216 screening Methods 0.000 claims description 14
- 239000002245 particle Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000011093 chipboard Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/06—Cone or disc shaped screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/288—Tumbling screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/50—Cleaning
- B07B1/54—Cleaning with beating devices
Definitions
- the invention relates to a circular construction device for classifying or Sorting goods, also called screening machines, According to the preamble of claim 1.
- a circular construction device for classifying or Sorting goods also called screening machines, According to the preamble of claim 1.
- Such a device is known from DE - 239 907.
- tumble screening machines for classifying or sorting goods known.
- the invention is basically applicable to both types of procedure. The simplicity for the sake of convenience, however, only the term “classifying” should be used in the following.
- Devices of this type are used in very many branches of industry.
- the food industry the chipboard industry, called the chemical industry.
- the devices are used for Disassembly of a flowable or pourable material into solid or liquid Form, for example in the form of a suspension, in individual components.
- On possible purpose of such a device is, for example, a granular material in different fractions of different grain sizes disassemble.
- Another application is the separation of Impurities from a good.
- a device of the type mentioned comprises a housing, further at least one classifying sieve, at least one inlet for the classifying Well, at least one outlet for the accept and at least one outlet for the backlog.
- a good is to be broken down into two or more fractions, one needs a screening machine with a corresponding number of screening decks. These are generally arranged one above the other. The good will be there first abandoned on the upper deck. This creates a first Fraction, which through a first Gutstoffauslass from the housing of the Screening machine is discharged. This first fraction has relatively large ones Particles on. The remaining good that has been screened for the first time, that by has passed through the first sieve body, then passes to a second Screen deck. Here is a second fraction with particles of somewhat smaller size separated. The individual screen decks are arranged one above the other. The Screening machine therefore has a certain vertical extension, the one appropriate room height of the company building is required. This is not always available.
- the invention has for its object to provide a screening machine requires a smaller installation space upwards than was previously the case.
- the inventor has accordingly recognized that the classification process involves disassembly of a good in several fractions can also be carried out in that divided a sieve body into a number of ring segments, the individual ring segments differing classification properties to have. This makes it possible to have one on a limited number of decks perform multi-stage classification process in which two or more Fractions.
- the screening machine shown in FIG. 1 has a housing 1. This is from essentially cylindrical shape.
- the housing 1 encloses a single one Screen deck 2.1. This comprises a sieve body.
- the sieve body is like this divided that an inner ring segment 2.1.1 and an outer ring segment 2.1.2 arises.
- a perforated plate 2.2 is located below the screen deck 2.1. On the Perforated sheet balls 2.2.3.
- the machine performs a wobbling or gyratory movement. This causes the material to be screened to move on the screen body. she causes the balls 2.2.3 which are on the Perforated plate 2.2 lie against the sieve body of the sieve deck 2.1 from below, and thus a loosening of particles that are in the mesh of the Screen body stick.
- the two ring segments of the screen body have different ones Klassiereigenschaften.
- the inner ring segment 2.1.1 the screen body 2.1 a mesh size of 1.6 mm while the outer Ring segment has a mesh size of 2.2 mm.
- FIG. 1 there is a screen 2.1 cylindrical nozzle 1.2. This separates the inner ring segment 2.1.1 from outer ring segment 2.1.2.
- An upper outlet 1.3 can also be seen, a middle outlet 1.4 and a lower outlet 1.5.
- the mentioned nozzle 1.2 has an opening through a flap 1.2.1 can be locked. You can see how this flap looks in plan view - at a similar embodiment of a screening machine according to the invention - from Figure 2b.
- the device works as follows:
- Material to be screened is introduced into the nozzle 1.2 from above. It arrives on the inner segment 2.1.1 of the screen body 2.1. Particles with a Diameters of up to 1.6 mm fall through and reach the outlet 1.5. Larger particles, however, migrate outwards against the inner edge of the nozzle 1.2. You get through the opening with the flap 1.2.1 finally on the outer ring segment 2.1.2. Those particles that one have larger diameters than 2.2 mm through the outlet 1.3. Particles emerge from outlet 1.4, which have a diameter of between 1.6 and 2.2 mm.
- Figures 2a, 2b and 3 leave details of another embodiment detect.
- On the perforated plate also called “baffle plate”, for example Balls arranged. These knock from below when the device is working against the sieve body and thus help to keep the sieve openings free at.
- the flap 1.2.1 already mentioned can be controlled in the present case, so that the selectivity can be influenced.
- a sieve body can also be divided into three or more Sieve segments are divided.
- FIGS 4 and 5 illustrate a tumbler screen in which a single screen deck has three ring segments 2.1.1, 2.1.2 and 2.1.3.
- the Ring segments are in turn divided by cylindrical partitions. You can also see flaps 1.2.1, 1.2.2 and 1.2.3.
- the material to be classified is placed on the central screen 2.1.1 given up.
- This central screen disc has a fine mesh size. in the In the course of the tumbling movement, the fine components fall through the mesh therethrough. The coarser migrate through the opening in the flap 1.2.1 to Ring segment 2.1.2, which has an average mesh size. What on that Ring segment 2.1.2 remains, passes through the opening in the flap 1.2.2 to the outer ring segment 2.1.3.
- the embodiment shown in Figure 6 again has a subdivided Sieve deck on. It comprises a central, central, circular sieve disc 10.1.1 fine mesh size.
- This central screen disk 10.1.1 is surrounded from a cylindrical partition 10.2.
- a screen deck according to the invention can thus be in closed ring segments can be divided. But it can also do that individual ring segment can be subdivided again, as with the Embodiment according to FIG. 6.
- a very decisive advantage of the invention is in any case the following: It is not necessary to stack several screen decks one above the other. hereby the tipping forces are kept to a minimum. In addition, there are rough ones Impurities are often present only in small quantities. In the state of the art must still have a complete screen deck for these coarse contaminants be used. Applying the invention, everything can be combined in one run single screen deck, or at least the number of Limit screen decks.
Landscapes
- Combined Means For Separation Of Solids (AREA)
Description
- Figur 1
- zeigt in einer Seitenansicht in schematischer Darstellung eine Siebmaschine.
- Figur 2a
- zeigt einen Ausschnitt aus einer Siebmaschine im Aufriß und im Schnitt.
- Figur 2b
- zeigt den Gegenstand von Figur 2a in einem Horizontalschnitt.
- Figur 3
- zeigt in vergrößerter Darstellung denjenigen Bereich, der in Figur 2a vom Kreis III umgeben ist.
- Figur 4
- zeigt in einer Draufsicht und in schematischer Darstellung ein Siebdeck, das in drei Ringsegmente unterteilt ist.
- Figur 5
- zeigt - verkleinert - eine Rundsiebmaschine mit dem Siebdeck gemäß Figur 4 in Seitenansicht.
- Figur 6
- zeigt in schematischer Ansicht eine Draufsicht auf ein Siebdeck, umfassend eine zentrale, kreisförmige Siebscheibe sowie zwei halbe Ringsegmente.
Claims (6)
- Vorrichtung in Rundbauweise zum Klassieren oder zum Sortieren von Gutgekennzeichnet durch die folgenden Merkmale: die Vorrichtung ist als Taumelsiebmaschine ausgeführt, die im Betrieb eine taumelude oder Kreiselude Bewegung ausfülub, wobei die Bereiche unterschiedlicher Klassier- bzw. Sortiereigenschaften durch Trennwände voneinander getrennt sind, die auf dem Sieb stehen.1.1 mit einem Gehäuse;1.2 mit wenigstens einem Sieb zum Klassieren bzw. Sortieren;1.3 mit einem Einlaß für das zu siebende Gut;1.4 mit wenigstens jeweils einem Auslaß für das gesiebte Gut;1.5 wenigstens eines der Siebe weist Bereiche unterschiedlicher Klassier-bzw. Sortiereigenschaften auf;
- Vorrichtung nach Anspruch 1, gekennzeichnet durch die folgenden Merkmale:2.1 wenigstens eines der Siebe ist in Ringsegmente unterteilt;2.2 die Ringsegmente haben voneinander abweichende Klassier- bzw. Sortiereigenschaften
- Vorrichtung nach Ansprüch 1, dadurch gekennzeichnet, daß wenigstens einem Ringsegment ein weiteres Sieb bzw. ein Ringsegment eines weiteren Siebes nachgeschaltet ist
- Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Trennwände jeweils einen Auslaß aufweisen.
- Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß der Auslaß steuerbar ist.
- Vorrichtung nach einem der Ansprüche 2 bis 5, dadurch gekennzeichnet, daß das einzelne Segment in radialer Richtung unterteilt ist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19846043A DE19846043C2 (de) | 1998-10-07 | 1998-10-07 | Rundsiebmaschine, insbesondere Taumelsiebmaschine |
| DE19846043 | 1998-10-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0992293A1 EP0992293A1 (de) | 2000-04-12 |
| EP0992293B1 true EP0992293B1 (de) | 2003-07-09 |
Family
ID=7883598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP99119750A Expired - Lifetime EP0992293B1 (de) | 1998-10-07 | 1999-10-06 | Siebmaschine, insbesondere Taumelsiebmaschine |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP0992293B1 (de) |
| DE (1) | DE19846043C2 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090261023A1 (en) * | 2006-09-25 | 2009-10-22 | Basf Se | Method for the Classification of Water Absorbent Polymer Particles |
| CN105032753B (zh) * | 2015-06-05 | 2017-04-19 | 裕东(中山)机械工程有限公司 | 一种多组侧面下粉振动粉筛 |
| US10928291B2 (en) | 2015-07-01 | 2021-02-23 | Basf Se | Method and device for classifying superabsorbent particles |
| CN106238315B (zh) * | 2016-07-30 | 2018-11-20 | 奈曼旗忠義砂产业有限公司 | 一种用于翻转式筛沙子的装置 |
| DE102022201991B3 (de) * | 2022-02-25 | 2023-03-30 | Hs-Tumbler Gmbh | Vorrichtung und Verfahren zum Sieben |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE239907C (de) * | ||||
| DE440697C (de) * | 1927-02-12 | Otto Wiencke | Umlaufendes Ringtellersieb | |
| AT114170B (de) * | 1928-06-22 | 1929-09-10 | Otto Wiencke | Drehbares Tellersieb. |
| GB623742A (en) * | 1946-05-22 | 1949-05-23 | Justin Hurst | Improvements in or relating to gyratory sieves and filters |
| DE1189834B (de) * | 1961-11-07 | 1965-03-25 | Allgaier Werke G M B H | Siebmaschine mit nicht umlaufenden Rundsieben |
| IT1039633B (it) * | 1975-07-04 | 1979-12-10 | Amedeo Sangati Sas | Machchina selezionatrice per gravita e spietratrice a secco per granulati in particolare cereali |
-
1998
- 1998-10-07 DE DE19846043A patent/DE19846043C2/de not_active Expired - Fee Related
-
1999
- 1999-10-06 EP EP99119750A patent/EP0992293B1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0992293A1 (de) | 2000-04-12 |
| DE19846043A1 (de) | 2000-04-20 |
| DE19846043C2 (de) | 2002-01-24 |
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