Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
  • B04B—CENTRIFUGES
  • B04B11/00—Feeding, charging, or discharging bowls
  • B04B11/08—Skimmers or scrapers for discharging ; Regulating thereof
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
  • B04B—CENTRIFUGES
  • B04B15/00—Other accessories for centrifuges
  • B04B15/06—Other accessories for centrifuges for cleaning bowls, filters, sieves, inserts, or the like

Definitions

• the present invention relates to a peeler centrifuge with a centrifugal drum, at least one filling device with a discharge opening and a peeling and discharging device, which has at least one arranged inside the centrifugal drum, attached to a knife carrier peeling knife, against the drum shell deposited on the solid layer for peeling them and is movable back into its initial position and actuated by a arranged outside the centrifugal drum actuator via a projecting into the centrifugal drum and the Messerträ ger connected tubular connecting member, wherein the knife carrier and the tubular connecting member are connected to each other via a plurality of substantially radially extending connecting arms, which form free spaces between themselves.
• Such a peeler centrifuge is known from EP 1 088 593 B1.
• the known peeler centrifuge has a combined filling and peeling and discharging device, so that the number of the first centrifugal drum is increased to the inside of the centrifugal drum. ckenden internals is reduced. Due to the large number of provided connecting arms between the knife carrier and Ver connecting member creates a particularly rigid overall structure.
• This embodiment can find application in peeler centrifuges with rotatable or pivotable peeling device, but also in peeler centrifuges with linearly movable peeling device.
• the connecting member is preferably formed as a rotary tube.
• the connecting member is preferably formed as perpendicular to its axis linearly movable tube.
• the connecting member between the actuating device and knife carrier can form the connecting member between the actuating device and knife carrier simultaneously as a filling tube in such a peeler centrifuge.
• the filling tube can contain several tubes that open at different locations in the centrifugal drum.
• the substance to be treated can axially but also radially emerge from the filling tube.
• the present invention has for its object to provide a peeler centrifuge of the type described above, which offers particularly good access to the centrifugal drum.
• a peeler centrifuge of the specified type in that the Messerträ ger is designed as a nozzle bar or such and that a connecting arm between the knife carrier and connecting member is designed as at one end into the nozzle bar opening feed channel, which at the other end a feed device for a medium, in particular a cleaning fluid for the centrifugal drum, is in communication.
• the solution according to the invention makes it possible to supply a medium, in particular a cleaning liquid, into the region of the knife carrier and to deliver the medium or the cleaning liquid from the knife carrier into the region of the wall of the centrifugal drum to be cleaned.
• a medium for example, air, nitrogen, steam or other gases can be introduced, and for a variety of purposes, in particularishszwe bridges, for example by gassing. Above all, this is about the replacement of the existing residual layer.
• the nozzle bar has a plurality of spaced-apart nozzle openings, from which the Rei n concernss hangkeit can be discharged under pressure against the Schleudertrommelwandung.
• the nozzle openings are provided over the entire length of the knife carrier, so that a large cleaning area can be swept over.
• a feeding device for the medium or the cleaning liquid which is preferably a flexible feeder, in particular a
• Hose is to Kings to join the corresponding movements of the connecting arm or link NEN.
• the corresponding feeder can be connected to a reservoir with pumping device to pressurize the medium or the cleaning liquid.
• the nozzle bar is formed as arranged on the knife carrier hollow box, which has a plurality of Dü senö Maschinenen.
• the hollow box may be formed in the knife carrier itself or attached as an additional part on the knife carrier, for example by welding. He may, for example, extend over the entire length of the Messerträ gers. At intervals, nozzle openings are provided in the hollow box, which allow the delivery of the corresponding cleaning / washing liquid under pressure.
• the feeding device for the medium or the cleaning liquid is preferably a flexible element, in particular a special hose.
• a flexible element for example a hose, is connected to the supply channel provided in the connecting arm.
• the flexible feeder for the medium or the Rei n concernsswashkeit leads to a suitable Vorratsbeffleffleffle with pumping station to set the medium or the cleaning liquid speed under pressure.
• the filling of the peeler centrifuge with the substance to be treated in the peeler centrifuge can follow it in a known manner. However, it can also be carried out as described in EP 1 088 593 B1.
• the filling device of the peeler centrifuge comprises at least one pipe arranged in the connecting member, which has at least one discharge opening for the substance to be treated.
• the at least one discharge opening of the filling tube can be located in the region of a hub cone of the centrifugal drum during at least part of the filling phase.
• the connecting member may be formed as a rotary tube or as a linearly movable tube, as just if in the aforementioned EP 1 088 593 Bl is described.
• connecting member Between the connecting member and the knife carrier a plurality of connecting arms is provided, of which at least one connecting arm is formed as a feed channel for the medium or the cleaning liquid.
• the connecting member is connected to the knife carrier via at least one axially and then obliquely radially extending connecting arm.
• a connecting arm can be used, for example, with further radially arranged connecting arms, wherein the feed channel for the medium or the cleaning liquid is preferably arranged in a radially arranged connecting arm.
• Figure 1 shows a longitudinal section through a horizontally mounted peeler centrifuge
• FIG. 2 is an enlarged partial longitudinal section through another embodiment of a peeler centrifuge;
• FIG. 3 shows a detail of the peeling and discharging device with filling tube in yet another embodiment of a peeler centrifuge; and
• FIG. 4 shows a section along line A-A in FIG. 3.
• the peeler centrifuge 1 shown in FIG. 1 consists essentially of a centrifuge housing 2 with a stator 2a and a skid drum 3 rotating within the housing 2, which is mounted in a bearing 4a.
• Housing 2 is provided on the opposite side of the storage with a housing door 5, which has an opening 6 on. Through this opening, a connecting member 17 is guided for a knife carrier 8 in the centrifugal drum 3.
• the connecting member 17 provides the connection between the knife carrier 8 and an actuating device 9 for the measuring serisme 8 ago.
• paring knives (not shown) arranged on the knife carrier 8 are retracted linearly for emptying the peeler centrifuge 1 into the solid material layer 7 arranged on the drum casing.
• the peeled off by the paring knives Good falls down into a discharge funnel 10 with a discharge nozzle 10a.
• the knife carrier 8 and also the connecting member 17 to the actuator 9 must be designed to be stable so that on the one hand, the elastic deflection is minimized and on the other hand minimized during the Aus syndromemvorganges the reaction forces transmitted to the actuator 9.
• This is achieved in that the connec tion member 17 via a plurality of arms which extend approximately in the radial direction of the centrifugal drum, carrier 8 is connected to the knife.
• a first connecting arm 12 in the form of a radial arm and a second connecting arm 11 are provided in the form of an angle to the centrifugal drum axis to the bearing end of the same extending the arm.
• the connecting member 17 is formed as a tube and func tioned simultaneously as a filling tube for the Schleudertrom mel.
• a suitable pipe connection on the outside of the housing 2 is indicated by dashed lines at 14. Since the connecting member and thus the filling tube performs a linear movement in the radial direction of the centrifugal centrifuge, a flexible pipe connection, for example in the form of a hose, is advantageous.
• the connecting member 17 and filling tube has at its end to La delay of the centrifugal drum adjacent a discharge opening 13, via which the substance to be treated in the centrifugal centrifuge substance is introduced approximately in the axial direction in the centrifugal drum. This discharge opening 13 is arranged relatively close to the hub of the centrifugal drum, so that the introduced substance (suspension) meets the hub cone or its surroundings and is distributed accordingly. The water effect is desired.
• connecting arms between the knife carrier 8 and the connecting member 17 are required.
• the connecting arms are preferably welded to the knife carrier and the connecting member 17, so that a stiff Ge felgesente is obtained. It is essential that the connecting arms allow a passage between the connecting member 17 and knife carrier 8.
• the knife carrier 8 further comprises a nozzle bar 20, and the connecting arm 12 between the knife carrier 8 and connecting member 17 has a feed channel 22 which is connected at one end to the nozzle bar 20 and at the other end to a flexible feeder 23 in the form of a tube which leads to a reservoir with Pum p liked.
• a cleaning liquid speed for the centrifugal drum 3 can be introduced into the region of the wall and sprayed via the corresponding nozzles 21 of the nozzle bar 20 against the Schleudertrommelwandung or the existing filter cake there to clean the centrifugal drum. Details of the corresponding the cleaning device shown in the other figures.
• FIG. 2 shows an enlarged partial longitudinal section through a further embodiment of a peeler centrifuge.
• the same or almost identical parts as in the embodiment of Figure 1 are provided with the same reference numerals.
• a housing door 5 which has an opening through which a connecting member 17 extends, which establishes the connection between a knife carrier 8 within the centrifugal drum 3 and an actuator 9 for the knife carrier outside the centrifugal drum 3.
• the knife carrier 8 is not moved linearly to clear out the solid material layer 7, but pivots.
• the connecting member 17 thus forms a pivot shaft which is pivoted by the actuator 9 over a certain radian measure.
• the connecting member 17 pivot shaft
• the filling device for the Schleu dertrommel a unit.
• the pivot shaft 17 is hollow and has in its interior two filling tubes 18, 19 with different diameters.
• the filling tubes 18, 19 are arranged coaxially with each other within the link 17.
• the filling tube 18 extends beyond the connecting member 17 in the axial direction from the free end of the same in Figure 2 obliquely upward.
• the filling tube 19 is formed shorter and opens laterally from the connecting member 17th
• the centrifugal drum can thus be filled by the two filling tubes 18, 19 at two different locations. Furthermore, the filling process can be carried out in any pivoting positions of the connecting member 17, for example in the non-pivoted starting position or in the fully pivoted position in which the peeling blades of the knife carrier 8 engage in the solid material layer 7.
• the knife carrier 8 is provided with a nozzle bar 20, which may be, for example, a hollow box which is welded to the knife carrier.
• the nozzle bar 20 has a plurality of nozzle openings 21, which are arranged at a distance from each other over the length of the nozzle bar and thus of the Mes seyears.
• the interior of the nozzle bar 20 is connected via a feed channel 22, which is formed in the left in the figure connecting arm 12, with a flexible fe feeder 23 in the form of a hose connected to a reservoir with Pumpeinrich device (not shown) is connected , In this way, a suitable cleaning liquid from the knife carrier to the wall of the centrifugal drum or there angeord Neten filter cake are sprayed.
• the connecting member 17 for the blade carrier 8 and the filling device for the direction of the centrifugal drum 3 a unit.
• the connecting member 17 is also formed as a pivot shaft or rotary tube and is hollow in its interior.
• a first filling tube is gebil det, which has an axial outlet opening 20.
• a second fill tube coaxial therewith, which branches off at right angles to the end of the link 17, as shown at 19, and has a radially directed exit opening.
• three connecting arms 11, 12 and 21 are provided which carry the knife carrier 8. By the branching filling pipe 19 of the connecting arm 21 is stiffened accordingly.
• a nozzle bar 20 is welded in the form of a provided with a plurality of nozzle openings 21 hollow box with the blade carrier 8.
• the interior of the nozzle bar is connected via a feed channel 22 formed in the connecting arm 12 to a flexible feed device 23 in the form of a hose. In this way, a cleaning liquid can be guided to the nozzle bar and discharged from this against the wall of Schleu dertrommel.
• Figure 4 shows a section through the knife carrier along line AA in Figure 3.
• the nozzle bar 20 is welded in the form of a hollow box.
• the hollow box has a plurality of nozzle openings 21, the are arranged at a distance from each other over the length of the nozzle bar.
• the feed device can generally also be designed as a discharge device if a corresponding suction process takes place.

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• Centrifugal Separators (AREA)

Priority Applications (2)

Applications Claiming Priority (2)

Publications (1)

Family

ID=65685076

Family Applications (1)

Country Status (4)

Citations (5)

• 2018
  • 2018-01-05 DE DE102018000056.8A patent/DE102018000056A1/de active Pending
  • 2018-12-19 EP EP18855112.1A patent/EP3735322B1/de active Active
  • 2018-12-19 WO PCT/DE2018/000380 patent/WO2019134721A1/de unknown
  • 2018-12-19 ES ES18855112T patent/ES2955924T3/es active Active

Patent Citations (6)

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