WO2001081017A2 - System and method for cleaning a screen - Google Patents

System and method for cleaning a screen Download PDF

Info

Publication number
WO2001081017A2
WO2001081017A2 PCT/ZA2001/000046 ZA0100046W WO0181017A2 WO 2001081017 A2 WO2001081017 A2 WO 2001081017A2 ZA 0100046 W ZA0100046 W ZA 0100046W WO 0181017 A2 WO0181017 A2 WO 0181017A2
Authority
WO
WIPO (PCT)
Prior art keywords
screen
cleaning
nozzle
spray bar
nozzle unit
Prior art date
Application number
PCT/ZA2001/000046
Other languages
English (en)
French (fr)
Other versions
WO2001081017A3 (en
WO2001081017A8 (en
Inventor
Oliver Francois Dominique Jason
Vivian Andrew Rocher
Original Assignee
Multotec Manufacturing (Pty) Limited
Reitech Sa (Pty) Limited
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Multotec Manufacturing (Pty) Limited, Reitech Sa (Pty) Limited filed Critical Multotec Manufacturing (Pty) Limited
Priority to AU2001263524A priority Critical patent/AU2001263524A1/en
Priority to DE10196096T priority patent/DE10196096T1/de
Publication of WO2001081017A2 publication Critical patent/WO2001081017A2/en
Publication of WO2001081017A8 publication Critical patent/WO2001081017A8/en
Publication of WO2001081017A3 publication Critical patent/WO2001081017A3/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B08B3/024—Cleaning by means of spray elements moving over the surface to be cleaned
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • B01D29/6438—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element nozzles
    • B01D29/6453—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element nozzles with a translational movement with respect to the filtering element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/70—Regenerating the filter material in the filter by forces created by movement of the filter element
    • B01D29/72—Regenerating the filter material in the filter by forces created by movement of the filter element involving vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
    • B01D33/015—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with flat filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/44—Regenerating the filter material in the filter
    • B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
    • B01D33/463—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/44—Regenerating the filter material in the filter
    • B01D33/52—Regenerating the filter material in the filter by forces created by movement of the filter element
    • B01D33/54—Regenerating the filter material in the filter by forces created by movement of the filter element involving vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
    • B01D46/71—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with pressurised gas, e.g. pulsed air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
    • B01D46/76—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations
    • B01D46/762—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations involving sonic or ultrasonic waves
    • 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
    • B07B1/55—Cleaning with fluid jets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B2203/00—Details of cleaning machines or methods involving the use or presence of liquid or steam
    • B08B2203/02—Details of machines or methods for cleaning by the force of jets or sprays
    • B08B2203/0288—Ultra or megasonic jets

Definitions

  • This invention relates to a system and a method for cleaning a screen.
  • the nozzle unit being positioned operatively
  • the nozzle may be a rotating nozzle, capable of rotating about an axis
  • the nozzle unit may be movable relative to the surface of the screen.
  • the nozzle unit is movable in an oscillatory manner
  • the nozzle may have a diameter of between 0.3 mm and 1.5 mm and
  • the nozzle unit may be of the type made available to the South
  • the fluid supplied to the nozzle may at a pressure between 0.1 and 12
  • the pressure may be constant, alternatively pulsating.
  • the fluid may be supplied to the nozzle at a flow rate of between 8
  • the nozzle unit may be mounted on a spray bar.
  • the spray bar may
  • the spray bar may be suspended operatively
  • the spray bar may be spaced above the screen such that the nozzle is
  • the spray bar Preferably, the spray bar
  • nozzle may be spaced above the screen such that the nozzle is between
  • the spray bar may be suspendable between tensioned cables, fixed
  • the spray bar may be
  • the spray bar serving as a
  • the rotation of the nozzle may result in a circular sprayed zone
  • the screen may include a number of screening panels .
  • nozzle units (3) includes two nozzle units (3), the nozzle units (3) being supplied with
  • the nozzle units (3) are positioned so as in
  • the nozzle units (3) each include a rotating nozzle (not shown),
  • the nozzle units (3) are of the type available to the South African
  • the nozzle (not shown) has a diameter of between 0.889 mm and
  • the fluid is supplied to the nozzle at a pressure between 0.1 and 12
  • the fluid is supplied to the nozzle at a flow rate of about 121itres/min.
  • the nozzle units (3) are mounted on a spray bar (8) in the form of a
  • the spray bar (8) serves as a manifold to the nozzle
  • the spray bar (8) is suspended above and movable in a plane
  • nozzles capable of directing the jets at adjacent apertures across the
  • the spray bar (8) is suspended between a support-and-movement
  • this mechanism (9) could be tensioned cables or
  • the spray bar (8) is spaced from the screen (2) such that the distance
  • nozzles results in sprayed zones having diameters (10) at the screen
  • nozzle units (3) mounted to the spray bar.
  • suspension device could also be from side to side.
  • the ultrasonic velocity of the jets dislodges particles blinding

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Cleaning By Liquid Or Steam (AREA)
PCT/ZA2001/000046 2000-04-20 2001-04-20 System and method for cleaning a screen WO2001081017A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2001263524A AU2001263524A1 (en) 2000-04-20 2001-04-20 System and method for cleaning a screen
DE10196096T DE10196096T1 (de) 2000-04-20 2001-04-20 System und Verfahren zum Reinigen eines Gitters

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA2000/0997 2000-04-20
ZA200000997 2000-04-20

Publications (3)

Publication Number Publication Date
WO2001081017A2 true WO2001081017A2 (en) 2001-11-01
WO2001081017A8 WO2001081017A8 (en) 2002-01-10
WO2001081017A3 WO2001081017A3 (en) 2002-03-07

Family

ID=25588644

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ZA2001/000046 WO2001081017A2 (en) 2000-04-20 2001-04-20 System and method for cleaning a screen

Country Status (3)

Country Link
AU (1) AU2001263524A1 (de)
DE (1) DE10196096T1 (de)
WO (1) WO2001081017A2 (de)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005051514A1 (de) * 2003-10-29 2005-06-09 Romag Röhren- Und Maschinen Ag Reinigungsvorrichtung für einen siebrechen, siebrechen mit reinigungsvorrichtung, sowie verfahren zur reinigung eines siebrechens
ITMI20100620A1 (it) * 2010-04-13 2011-10-14 Studio Nuove Applic Ind Li S R L Apparato per la pulizia di pannelli filtranti.
US8273185B2 (en) 2009-07-25 2012-09-25 Ceramex Limited Cleaning a vehicle exhaust filter
WO2015001375A1 (en) * 2013-07-02 2015-01-08 Renault Trucks Cleaning assembly
CN107551622A (zh) * 2017-09-21 2018-01-09 浙江天美环境科技有限公司 废水快速处理设备
CN111617959A (zh) * 2020-05-13 2020-09-04 福建航融建材科技有限公司 一种混凝土湿筛砂浆振动筛装置
IT202000017395A1 (it) * 2020-07-17 2022-01-17 Mauro Service Impianti S R L Sistema e metodo di lavaggio di un macchinario separatore
WO2024056493A3 (de) * 2022-09-13 2024-05-23 Eriver Ag Anordnung zum reinigen eines grillrostes

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006050127A1 (de) 2006-10-25 2008-04-30 Ets Trade S.A.R.L. Filtervorrichtung
CN107744943B (zh) * 2017-11-30 2020-08-14 界首市鑫龙粮油机械加工有限公司 一种振动式清理筛
CN107812710A (zh) * 2017-12-01 2018-03-20 枞阳县螺丝尖花木园艺有限公司 一种茶叶分筛设备的选筛

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2313124A1 (fr) * 1975-06-05 1976-12-31 Venot Pic Sa Procede et dispositif pour ameliorer le tamisage des produits fins
FR2351717A2 (fr) * 1976-05-18 1977-12-16 Rech Geolog Miniere Procede et appareil de separation granulometrique de materiaux granuleux, pulverulents ou arcileux
FR2399287A1 (fr) * 1977-08-02 1979-03-02 Canales Candido Dispositif d'arrosage du cote inferieur de la toile d'une machine a tamiser
GB2235393A (en) * 1989-08-25 1991-03-06 Wu Kie Pyng Waste separator

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2913625B1 (ja) * 1998-05-11 1999-06-28 株式会社コンセプツ 水流噴射式超音波洗浄ノズル

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2313124A1 (fr) * 1975-06-05 1976-12-31 Venot Pic Sa Procede et dispositif pour ameliorer le tamisage des produits fins
FR2351717A2 (fr) * 1976-05-18 1977-12-16 Rech Geolog Miniere Procede et appareil de separation granulometrique de materiaux granuleux, pulverulents ou arcileux
FR2399287A1 (fr) * 1977-08-02 1979-03-02 Canales Candido Dispositif d'arrosage du cote inferieur de la toile d'une machine a tamiser
GB2235393A (en) * 1989-08-25 1991-03-06 Wu Kie Pyng Waste separator

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 02, 29 February 2000 (2000-02-29) & JP 11 319638 A (CONCEPTS:KK), 24 November 1999 (1999-11-24) -& DATABASE WPI Derwent Publications Ltd., London, GB; AN 2000-067004 XP002184718 & JP 11 319638 A (CONCEPTS KK), 24 November 1999 (1999-11-24) *

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005051514A1 (de) * 2003-10-29 2005-06-09 Romag Röhren- Und Maschinen Ag Reinigungsvorrichtung für einen siebrechen, siebrechen mit reinigungsvorrichtung, sowie verfahren zur reinigung eines siebrechens
US8273185B2 (en) 2009-07-25 2012-09-25 Ceramex Limited Cleaning a vehicle exhaust filter
ITMI20100620A1 (it) * 2010-04-13 2011-10-14 Studio Nuove Applic Ind Li S R L Apparato per la pulizia di pannelli filtranti.
EP2384827A1 (de) * 2010-04-13 2011-11-09 Studio Nuove Applicazioni Industriali, S.r.l. Methode und Vorrichtung zum Reinigen von Tropfenabscheidern
WO2015001375A1 (en) * 2013-07-02 2015-01-08 Renault Trucks Cleaning assembly
CN107551622A (zh) * 2017-09-21 2018-01-09 浙江天美环境科技有限公司 废水快速处理设备
CN111617959A (zh) * 2020-05-13 2020-09-04 福建航融建材科技有限公司 一种混凝土湿筛砂浆振动筛装置
IT202000017395A1 (it) * 2020-07-17 2022-01-17 Mauro Service Impianti S R L Sistema e metodo di lavaggio di un macchinario separatore
WO2022013899A1 (en) * 2020-07-17 2022-01-20 Mauro Service Impianti Srl System and method for washing a separating machinery
WO2024056493A3 (de) * 2022-09-13 2024-05-23 Eriver Ag Anordnung zum reinigen eines grillrostes

Also Published As

Publication number Publication date
DE10196096T1 (de) 2003-05-08
WO2001081017A3 (en) 2002-03-07
AU2001263524A1 (en) 2001-11-07
WO2001081017A8 (en) 2002-01-10

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