EP2363278B1 - Device for separating solids from water - Google Patents

Device for separating solids from water Download PDF

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Publication number
EP2363278B1
EP2363278B1 EP20100162062 EP10162062A EP2363278B1 EP 2363278 B1 EP2363278 B1 EP 2363278B1 EP 20100162062 EP20100162062 EP 20100162062 EP 10162062 A EP10162062 A EP 10162062A EP 2363278 B1 EP2363278 B1 EP 2363278B1
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EP
European Patent Office
Prior art keywords
rings
mobile
worm screw
driving shaft
fixed
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.)
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Application number
EP20100162062
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German (de)
French (fr)
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EP2363278A1 (en
Inventor
Alonso Sánchez Osma
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Individual
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Individual
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
    • B30B9/26—Permeable casings or strainers

Definitions

  • French Patent No. 2892657 "Dispositif pour primar le volume d'un matériau, et/ou le compacter et/ouraceer un solide et un liquide", 2005, in the name of SHINRYOKU TECHNOLOGIES, is part of the state of the art, and it relates to a device provided with mobile and fixed rings that define a central fixed opening.
  • a worm screw rotates around a rotation axis that traverses the central opening of the fixed and mobile rings. Via driving means, the worm screw moves each mobile ring without touching the fixed rings.
  • European Patent No. 1112968 SOIL WATER ACTIVATED SLUDGE TREATING SYSTEM AND METHOD THEREFOR
  • 2000 in the name of N S CONSULTANTS LTD, is known, which relates to a mixture of active sludge that is removed directly from a reaction tank and is dehydrated by means of a multi-disc dehydrating machine.
  • a pump In order to remove said active sludge mixture, a pump is controlled to maintain the SRT in the reaction tank at a predetermined value. Also the nitrification and denitrification processes are carried out, while the ASRT is controlled by regulating the aerobic time within a certain range.
  • Japan Patent JP7057287 Solid-liquid separator
  • a separator which is designed to eliminate clogging and to control of the diameters of solid particles to be separated, by eccentrically rotating a moving annular plate along with the driving of a spiral body and setting the control of the particle diameter in accordance with the depth of a fluid outlet passage.
  • This invention is an improvement on the solid separation devices in waste water cleansing machines.
  • the inventor is known for owning various registrations that protect machinery associated with cleansing waste water.
  • the present invention provides a device for separating solids, of the type comprising a series of fixed and mobile rings, arranged in alternate fashion, a worm screw that passes through the centre of the rings, moved by driving means and elements that keep said fixed rings in a fixed position, wherein the mobile rings have one extension per mobile ring, with said extension being traversed by an eccentric driving shaft that is parallel to the worm screw, wherein, when said eccentric driving shaft moves it moves the extension of the respective mobile ring producing a reciprocating movement on the mobile ring, also leaving the worm screw free of contact with any of the rings, characterised in that said eccentric driving shaft has an external sinusoidal profile that produces a different reciprocating movement between one mobile ring and the one immediately following.
  • FIG. 1 shows a frame 8, fixed rings 1 with their attachment elements or rods 4, mobile rings 2 with their extensions 6, a worm screw 3 with its driving means 5 and an eccentric driving shaft 7 with its driving means 9.
  • Figure 2 shows fixed rings 1 with their attachment elements or rods 4, mobile rings 2 with their extensions 6, worm screw 3 and its driving means 5 and eccentric driving shaft 7 with its driving means 9.
  • Fixed rings 1 and mobile rings 2 are arranged in alternate fashion, so that one fixed ring 1 is placed between two mobile ones 2.
  • Fixed rings 1 are immobilised or fixed by rods 4.
  • Worm screw 3 passes through the centre of rings 1, 2, without touching them.
  • eccentric driving shaft 7 When the worm screw 3 starts up, in this embodiment, eccentric driving shaft 7 also starts up, because their respective driving means 5, 9 are meshed. Said shaft 7 traverses a hole formed in extensions 6 of each mobile ring 2. Said eccentric driving shaft 7 has a sinusoidal shape, so when one extension 6 moves upwards, the one immediately before moves upwards a little less and so on, and this way causing that the mobile rings 2 have a reciprocating movement when the current of dirty water passes from worm screw 3 trapping all the dirt, preventing worm screw 3 from wearing and also preventing said worm screw from becoming blocked, thereby creating an additional water current that contributes to cleaning.
  • said eccentric driving shaft 7 moves, it moves extension 6 of the respective mobile ring 2 producing a reciprocating movement on mobile ring 2, also leaving worm screw 3 free of contact with any of the rings, with said eccentric driving shaft 7 having a sinusoidal external profile that produces a different reciprocating movement between one mobile ring and the one immediately following.
  • said controlled reciprocating movement prevents mobile rings 2 from touching or knocking worm screw 3, whereby worm screw 3 can last longer, as it does not touch the rings.
  • This invention describes a new device for separating solids.
  • the examples mentioned herein are non-limiting with respect to the invention, and therefore said invention can have different applications and/or adaptations, all included in the scope of the appended claim.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filtration Of Liquid (AREA)
  • Treatment Of Sludge (AREA)
  • Transmission Devices (AREA)

Description

    BACKGROUND TO THE INVENTION
  • Various devices are known in the state of the art that separate solids from water, by filtering through mobile rings.
  • French Patent No. 2892657 "Dispositif pour réduir le volume d'un matériau, et/ou le compacter et/ou séparer un solide et un liquide", 2005, in the name of SHINRYOKU TECHNOLOGIES, is part of the state of the art, and it relates to a device provided with mobile and fixed rings that define a central fixed opening. A worm screw rotates around a rotation axis that traverses the central opening of the fixed and mobile rings. Via driving means, the worm screw moves each mobile ring without touching the fixed rings.
  • Also, European Patent No. 1112968 "SOIL WATER ACTIVATED SLUDGE TREATING SYSTEM AND METHOD THEREFOR", 2000, in the name of N S CONSULTANTS LTD, is known, which relates to a mixture of active sludge that is removed directly from a reaction tank and is dehydrated by means of a multi-disc dehydrating machine. In order to remove said active sludge mixture, a pump is controlled to maintain the SRT in the reaction tank at a predetermined value. Also the nitrification and denitrification processes are carried out, while the ASRT is controlled by regulating the aerobic time within a certain range.
  • And finally, the Japan Patent JP7057287 "Solid-liquid separator" describes a separator which is designed to eliminate clogging and to control of the diameters of solid particles to be separated, by eccentrically rotating a moving annular plate along with the driving of a spiral body and setting the control of the particle diameter in accordance with the depth of a fluid outlet passage.
    • BRIEF DESCRIPTION OF THE INVENTION
  • This invention is an improvement on the solid separation devices in waste water cleansing machines.
  • French Patent No. FR2892657 and European Patent No. EP1112968 are known.
  • The inventor is known for owning various registrations that protect machinery associated with cleansing waste water.
  • In this case, the application is an improvement on the two previous patents. The inventor has developed a third, different option, or via, because, as will be shown later, some limitations of said patents have been overcome.
  • It is an improvement over European Patent No. 1112968 because it does not use worm screw friction, with the subsequent wearing of parts, to activate the rings, which leaves some jammed because of the solids down trapped in them, and this blocks the machine. In this case, the worm screw is maintained without touching any of the rings, either the fixed or mobile ones. The rings move by virtue of a shaft that is parallel to the worm screw, thereby avoiding the friction and wear of the worm screw against the rings.
  • It is an improvement over French Patent No. 2892657 where all the mobile rings move at once, because in this application each mobile ring has an independent movement, whereby it falls by virtue of gravity and rises thanks to the eccentric driving shaft, thereby improving the cleansing of the solids, because it creates a additional current of water that increases the quality of the cleansing operation.
  • The present invention provides a device for separating solids, of the type comprising a series of fixed and mobile rings, arranged in alternate fashion, a worm screw that passes through the centre of the rings, moved by driving means and elements that keep said fixed rings in a fixed position, wherein the mobile rings have one extension per mobile ring, with said extension being traversed by an eccentric driving shaft that is parallel to the worm screw, wherein, when said eccentric driving shaft moves it moves the extension of the respective mobile ring producing a reciprocating movement on the mobile ring, also leaving the worm screw free of contact with any of the rings, characterised in that said eccentric driving shaft has an external sinusoidal profile that produces a different reciprocating movement between one mobile ring and the one immediately following.
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • In order to facilitate the explanation, two sheets of drawings are attached to this invention, showing a practical embodiment thereof, which is provided as a non-limiting example of the scope of this invention:
    • Figure 1 shows a side view of the object of this invention, and
    • Figure 2 shows a perspective view without the frame
    SPECIFIC EMBODIMENT OF THIS INVENTION
  • So Figure 1 shows a frame 8, fixed rings 1 with their attachment elements or rods 4, mobile rings 2 with their extensions 6, a worm screw 3 with its driving means 5 and an eccentric driving shaft 7 with its driving means 9.
  • Figure 2 shows fixed rings 1 with their attachment elements or rods 4, mobile rings 2 with their extensions 6, worm screw 3 and its driving means 5 and eccentric driving shaft 7 with its driving means 9.
  • This way, in a particular embodiment, when the device is started up in the frame 8, worm screw 3, thanks to its driving means 5, makes the liquids containing solids advance through the centre of rings 1, 2, without touching them.
  • Fixed rings 1 and mobile rings 2 are arranged in alternate fashion, so that one fixed ring 1 is placed between two mobile ones 2. Fixed rings 1 are immobilised or fixed by rods 4. Worm screw 3 passes through the centre of rings 1, 2, without touching them.
  • When the worm screw 3 starts up, in this embodiment, eccentric driving shaft 7 also starts up, because their respective driving means 5, 9 are meshed. Said shaft 7 traverses a hole formed in extensions 6 of each mobile ring 2. Said eccentric driving shaft 7 has a sinusoidal shape, so when one extension 6 moves upwards, the one immediately before moves upwards a little less and so on, and this way causing that the mobile rings 2 have a reciprocating movement when the current of dirty water passes from worm screw 3 trapping all the dirt, preventing worm screw 3 from wearing and also preventing said worm screw from becoming blocked, thereby creating an additional water current that contributes to cleaning.
  • In other words, when said eccentric driving shaft 7 moves, it moves extension 6 of the respective mobile ring 2 producing a reciprocating movement on mobile ring 2, also leaving worm screw 3 free of contact with any of the rings, with said eccentric driving shaft 7 having a sinusoidal external profile that produces a different reciprocating movement between one mobile ring and the one immediately following.
  • Also, said controlled reciprocating movement prevents mobile rings 2 from touching or knocking worm screw 3, whereby worm screw 3 can last longer, as it does not touch the rings.
  • This invention describes a new device for separating solids. The examples mentioned herein are non-limiting with respect to the invention, and therefore said invention can have different applications and/or adaptations, all included in the scope of the appended claim.

Claims (1)

  1. Device for separating solids, of the type comprising a series of fixed rings (1) and mobile rings (2), arranged in alternate fashion, a worm screw (3) that traverses the centre of the rings, moved by driving means (5) and elements (4) that keep said fixed rings (1) in a fixed position, the mobile rings (2) having one extension (6) per mobile ring (2), with said extension being traversed by an eccentric driving shaft (7) parallel to the worm screw (3), and that when said eccentric driving shaft (7) moves, it moves the extension (6) of the respective mobile ring (2) producing a reciprocating movement on the mobile ring (2), also leaving the worm screw (3) free of contact with any of the rings (1, 2), characterized in that said eccentric driving shaft (7) has a sinusoidal external profile that produces a different reciprocating movement between one mobile ring and the one immediately following.
EP20100162062 2010-03-01 2010-05-05 Device for separating solids from water Active EP2363278B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES201030178U ES1072414Y (en) 2010-03-01 2010-03-01 DEVICE FOR SEPARATION OF SOLIDS

Publications (2)

Publication Number Publication Date
EP2363278A1 EP2363278A1 (en) 2011-09-07
EP2363278B1 true EP2363278B1 (en) 2013-03-20

Family

ID=42272337

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20100162062 Active EP2363278B1 (en) 2010-03-01 2010-05-05 Device for separating solids from water

Country Status (2)

Country Link
EP (1) EP2363278B1 (en)
ES (2) ES1072414Y (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2319075A1 (en) * 1998-12-02 2000-06-08 Toyokazu Katabe Screw drum type filter
KR20000049300A (en) 1999-04-13 2000-08-05 니시야마 쇼고 System and Method for Treating Activated Sludge of Sewage
FR2892657B1 (en) 2005-11-03 2009-05-01 Shinryoku Technologies DEVICE FOR COMPACTING A MATERIAL AND / OR FOR SEPARATING A SOLID AND A LIQUID, AND CORRESPONDING METHOD

Also Published As

Publication number Publication date
ES1072414U (en) 2010-07-08
ES1072414Y (en) 2010-10-05
EP2363278A1 (en) 2011-09-07
ES2412982T3 (en) 2013-07-15

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