WO2020144595A9 - A cleaning device and a cleaning method for a dust collector. - Google Patents

A cleaning device and a cleaning method for a dust collector. Download PDF

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Publication number
WO2020144595A9
WO2020144595A9 PCT/IB2020/050120 IB2020050120W WO2020144595A9 WO 2020144595 A9 WO2020144595 A9 WO 2020144595A9 IB 2020050120 W IB2020050120 W IB 2020050120W WO 2020144595 A9 WO2020144595 A9 WO 2020144595A9
Authority
WO
WIPO (PCT)
Prior art keywords
dust
fluid
hammering
insulation system
outflow
Prior art date
Application number
PCT/IB2020/050120
Other languages
French (fr)
Other versions
WO2020144595A1 (en
Inventor
Vainer Marchesini
Original Assignee
Wamgroup S.P.A.
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 Wamgroup S.P.A. filed Critical Wamgroup S.P.A.
Priority to CN202080017988.6A priority Critical patent/CN113573793B/en
Publication of WO2020144595A1 publication Critical patent/WO2020144595A1/en
Publication of WO2020144595A9 publication Critical patent/WO2020144595A9/en

Links

Classifications

    • 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
    • B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • B01D46/04—Cleaning filters
    • 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
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Electrostatic Separation (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Abstract

Described is a device and a method for making a cleaning system for dust collectors (1) for gaseous fluids, with a vertical structure, equipped with vertical channels (2) for introducing the fluid to be freed from dust and vertical conduits (3) for the outfeed of the fluid from which the dust has been removed. The device comprises: a hammering device (4, 104) to cause, on command, percussion strokes on a head of the dust collector, an insulation system (5, 105) which, on command, is positioned either in an open position or in a closed position which, respectively, allow or prevent the flow towards the outside of the fluid coming from the conduits; first means for bringing the insulation system to the closed position and for actuating the hammering device for a variable number of percussion strokes as desired; second means for keeping the insulation system in the closed position during the operation of the hammering device, and for bringing the insulation system to the open position at the end of the hammering. The method, as well as a hammering step which causes the detachment of the dust from the filtering channels, comprises the following steps: using a first energy source, actuating an actuator which acts on an insulation system for preventing the outflow of fluid from which dust has been removed towards the clean fluid zone; using a second energy source, actuating a constraint which maintains the interruption of the outflow of the fluid from which dust has been removed and, with the first energy source, continuing the hammering step for a predetermined time and number of strokes; interrupting both the energy sources to end both the hammering step and the step for preventing the outflow of the fluid from which dust has been removed towards the clean fluid zone and re-establishing the initial condition.
PCT/IB2020/050120 2019-01-08 2020-01-08 A cleaning device and a cleaning method for a dust collector. WO2020144595A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202080017988.6A CN113573793B (en) 2019-01-08 2020-01-08 Cleaning device and cleaning method for dust collector

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102019000000175A IT201900000175A1 (en) 2019-01-08 2019-01-08 Cleaning device and method for dust collector.
IT102019000000175 2019-01-08

Publications (2)

Publication Number Publication Date
WO2020144595A1 WO2020144595A1 (en) 2020-07-16
WO2020144595A9 true WO2020144595A9 (en) 2020-12-17

Family

ID=66166371

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2020/050120 WO2020144595A1 (en) 2019-01-08 2020-01-08 A cleaning device and a cleaning method for a dust collector.

Country Status (3)

Country Link
CN (1) CN113573793B (en)
IT (1) IT201900000175A1 (en)
WO (1) WO2020144595A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4223388B1 (en) 2022-02-04 2024-08-07 Wamgroup S.p.A. An apparatus comprising a filtering device and relative cleaning system
CN117654779B (en) * 2023-12-29 2024-06-07 华能辛店发电有限公司 Dust removing device and method for thermal power plant

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191120823A (en) * 1911-02-13 1912-06-13 W F L Beth An Improved Apparatus for Cleaning Filters for Dust Charged Air and the like.
DE440960C (en) * 1926-06-12 1927-02-22 Beth Akt Ges Maschf Air switching for knocking devices on dust filters
GB752138A (en) * 1953-05-22 1956-07-04 Fischer Georg Improvements in the cleaning of air filter tubes
BE562632A (en) * 1957-03-21
DE1407967A1 (en) * 1963-04-30 1969-10-09 Beth Gmbh Maschf Process for cleaning fabric filters and device for carrying out this process
DE1900866U (en) * 1964-05-06 1964-09-17 Teutonia Cementwerk HOSE FILTERS FOR DUST SEPARATION FROM GAS-FORM MEDIA.
FR1425728A (en) * 1965-02-16 1966-01-24 Neu Sa Device for percussive shaking of the sleeves of filter cloth separators
DE1607722C3 (en) * 1967-06-02 1975-09-04 Intensiv-Filter Gmbh, 5602 Langenberg Dust separator with fiber filter elements
US4099940A (en) * 1977-03-17 1978-07-11 Fmc Corporation Impulse filter cleaner
US4410428A (en) * 1982-07-29 1983-10-18 Pall Corporation Duplex cam-operated pressure-balanced sleeve valve
US5223005A (en) * 1992-08-14 1993-06-29 Aercology, Inc. Dust and fume collector
CN2447645Y (en) * 2000-08-04 2001-09-12 倪文龙 Air valve back-blowing device
CN101004150A (en) * 2007-01-18 2007-07-25 孙海潮 Method for changing motion regulation of execution piece controlled by cam
DE202010009971U1 (en) * 2010-07-01 2010-10-14 Weigert, Fidelo Knockpicker for ribbed filter
CN104771967A (en) * 2015-03-23 2015-07-15 张延民 Offline dust removal method for bag dust collector
CN207137562U (en) * 2017-07-31 2018-03-27 沈阳蓝天公用节能环保设备有限公司 A kind of novel vibrating ash-cleaning type sack cleaner

Also Published As

Publication number Publication date
WO2020144595A1 (en) 2020-07-16
CN113573793B (en) 2023-09-12
CN113573793A (en) 2021-10-29
IT201900000175A1 (en) 2020-07-08

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