EA201401100A1 - METHOD AND DEVICE OF DRY FILTRATION OF TECHNOLOGICAL GAS - Google Patents

METHOD AND DEVICE OF DRY FILTRATION OF TECHNOLOGICAL GAS

Info

Publication number
EA201401100A1
EA201401100A1 EA201401100A EA201401100A EA201401100A1 EA 201401100 A1 EA201401100 A1 EA 201401100A1 EA 201401100 A EA201401100 A EA 201401100A EA 201401100 A EA201401100 A EA 201401100A EA 201401100 A1 EA201401100 A1 EA 201401100A1
Authority
EA
Eurasian Patent Office
Prior art keywords
filter chamber
chamber
process gas
filter
filter element
Prior art date
Application number
EA201401100A
Other languages
Russian (ru)
Inventor
Петрус Йоханнес Йонкер
Original Assignee
Тенова Пайромет (Препрайэтри) Лимитед
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 Тенова Пайромет (Препрайэтри) Лимитед filed Critical Тенова Пайромет (Препрайэтри) Лимитед
Publication of EA201401100A1 publication Critical patent/EA201401100A1/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
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • 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
    • B01D46/42—Auxiliary equipment or operation thereof
    • B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
    • 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
    • B01D46/42—Auxiliary equipment or operation thereof
    • B01D46/4272—Special valve constructions adapted to filters or filter elements
    • 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
    • B01D46/42—Auxiliary equipment or operation thereof
    • B01D46/44—Auxiliary equipment or operation thereof controlling filtration
    • B01D46/446—Auxiliary equipment or operation thereof controlling filtration by pressure measuring
    • 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
    • B01D46/79—Regeneration of the filtering material or filter elements inside the filter by liquid process

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

Заявка относится к системе (10, 100) охлаждения и сухой фильтрации технологического газа, выработанного в процессе плавки ферросплава. Система (10, 100) включает устройство (20) сухой фильтрации технологического газа, содержащее фильтровальную камеру (22), в которой установлен фильтровальный элемент (24). Технологический газ вводится в фильтровальную камеру через вход подающей магистрали (26) и направляется на фильтровальный элемент (24). После фильтрации на фильтровальном элементе (24) фильтрованный технологический газ выпускается через выпускную магистраль (28). Устройство (20) содержит также вход (32) очистного газа, предназначенный для подачи очистного газа в фильтровальную камеру (22) с целью удаления твердых частиц, задержанных в фильтровальном элементе (24). Удаленные твердые частицы накапливаются в выпускной камере (34), расположенной под фильтровальной камерой (22), перед выгрузкой в сборный бункер (38), установленный под выпускной камерой (34). Выравнивающая труба (46), проходящая между фильтровальной камерой (22) и сборным бункером (38), используется для регулирования разницы давлений между фильтровальной камерой (22) и сборным бункером (38) в процессе управления выгрузкой твердых частиц.The application relates to a system (10, 100) for cooling and dry filtration of a process gas generated during the smelting of a ferroalloy. The system (10, 100) includes a device (20) for dry filtration of a process gas containing a filter chamber (22) in which a filter element (24) is installed. The process gas is introduced into the filter chamber through the inlet of the supply line (26) and sent to the filter element (24). After filtration on the filter element (24), the filtered process gas is discharged through the exhaust line (28). The device (20) also contains an inlet (32) of the treatment gas, intended for supplying the treatment gas to the filter chamber (22) to remove solid particles trapped in the filter element (24). The removed solid particles accumulate in the exhaust chamber (34) located under the filter chamber (22) before unloading into the collection hopper (38) installed under the exhaust chamber (34). A leveling pipe (46) passing between the filter chamber (22) and the collection hopper (38) is used to control the pressure difference between the filter chamber (22) and the collection hopper (38) during the control of the discharge of solid particles.

EA201401100A 2012-04-05 2013-04-05 METHOD AND DEVICE OF DRY FILTRATION OF TECHNOLOGICAL GAS EA201401100A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA201202498 2012-04-05
PCT/IB2013/052740 WO2013150498A2 (en) 2012-04-05 2013-04-05 Method and apparatus for dry filtering process gas

Publications (1)

Publication Number Publication Date
EA201401100A1 true EA201401100A1 (en) 2015-06-30

Family

ID=48538019

Family Applications (1)

Application Number Title Priority Date Filing Date
EA201401100A EA201401100A1 (en) 2012-04-05 2013-04-05 METHOD AND DEVICE OF DRY FILTRATION OF TECHNOLOGICAL GAS

Country Status (5)

Country Link
KR (1) KR102066401B1 (en)
CN (1) CN104349830B (en)
EA (1) EA201401100A1 (en)
WO (1) WO2013150498A2 (en)
ZA (1) ZA201408088B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107008912A (en) * 2017-04-28 2017-08-04 江苏威拉里新材料科技有限公司 A kind of gas purge system for smelting furnace

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3408627A1 (en) * 1984-03-09 1985-09-12 Deutsche Babcock Werke AG, 4200 Oberhausen DEVICE FOR DEDUSTING HOT GASES
TW410237B (en) * 1996-12-25 2000-11-01 Nippon Steel Corp Vacuum, pressure reduction refining method and the vacuum, pressure reduction refining equipment
US6216612B1 (en) * 1999-09-01 2001-04-17 American Electric Power Service Corporation Ultra fine fly ash and a system for collecting the same
FI121368B (en) 2006-12-19 2010-10-29 Outotec Oyj Method and equipment for filtering process gas
US7731783B2 (en) 2007-01-24 2010-06-08 Pratt & Whitney Rocketdyne, Inc. Continuous pressure letdown system
CN201030271Y (en) * 2007-04-19 2008-03-05 穆祥 Rotary inverse-blowing ash-cleaning type flat bag duster
AT510177B1 (en) * 2010-07-20 2012-05-15 Siemens Vai Metals Tech Gmbh METHOD FOR CLEANING A DYED GAS STREAM

Also Published As

Publication number Publication date
CN104349830A (en) 2015-02-11
KR102066401B1 (en) 2020-01-15
KR20150005958A (en) 2015-01-15
WO2013150498A2 (en) 2013-10-10
WO2013150498A3 (en) 2014-02-20
CN104349830B (en) 2016-10-12
ZA201408088B (en) 2016-05-25

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