FR786601A - Appareil de nettoyage des bassins sablés pour la filtration lente - Google Patents

Appareil de nettoyage des bassins sablés pour la filtration lente

Info

Publication number
FR786601A
FR786601A FR786601DA FR786601A FR 786601 A FR786601 A FR 786601A FR 786601D A FR786601D A FR 786601DA FR 786601 A FR786601 A FR 786601A
Authority
FR
France
Prior art keywords
sandblasted
cleaning device
slow filtration
basin cleaning
basin
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.)
Expired
Application number
Other languages
English (en)
Inventor
Norman Garstang Elliot
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 filed Critical
Application granted granted Critical
Publication of FR786601A publication Critical patent/FR786601A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
    • B01D24/20—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being provided in an open container
    • B01D24/205—Downward filtration without specifications about the filter material supporting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/46—Regenerating the filtering material in the filter
    • B01D24/4605—Regenerating the filtering material in the filter by scrapers, brushes, nozzles or the like placed on the cake-side of the stationary filtering material and only contacting the external layer
    • B01D24/461—Regenerating the filtering material in the filter by scrapers, brushes, nozzles or the like placed on the cake-side of the stationary filtering material and only contacting the external layer by scrapers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/46—Regenerating the filtering material in the filter
    • B01D24/4605—Regenerating the filtering material in the filter by scrapers, brushes, nozzles or the like placed on the cake-side of the stationary filtering material and only contacting the external layer
    • B01D24/4621—Regenerating the filtering material in the filter by scrapers, brushes, nozzles or the like placed on the cake-side of the stationary filtering material and only contacting the external layer by nozzles acting on the cake side of the filter material, or by fluids acting in co-current direction with the feed stream
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/46—Regenerating the filtering material in the filter
    • B01D24/4631—Counter-current flushing, e.g. by air
    • B01D24/4636—Counter-current flushing, e.g. by air with backwash shoes; with nozzles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
FR786601D 1935-02-14 1935-02-27 Appareil de nettoyage des bassins sablés pour la filtration lente Expired FR786601A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7233/34A GB432742A (en) 1935-02-14 1935-02-14 Improvements in or relating to the cleaning of slow sand filters

Publications (1)

Publication Number Publication Date
FR786601A true FR786601A (fr) 1935-09-06

Family

ID=9829189

Family Applications (1)

Application Number Title Priority Date Filing Date
FR786601D Expired FR786601A (fr) 1935-02-14 1935-02-27 Appareil de nettoyage des bassins sablés pour la filtration lente

Country Status (2)

Country Link
FR (1) FR786601A (fr)
GB (1) GB432742A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3439547A1 (de) * 1983-11-11 1985-05-30 VEB Projektierung Wasserwirtschaft Stammbetrieb des Kombinates Wassertechnik und Projektierung Wasserwirtschaft, DDR 4020 Halle Verfahren und vorrichtung zur filtration von fluessigkeiten
DE4112237C1 (fr) * 1991-04-15 1992-08-06 Forschungszentrum Juelich Gmbh, 5170 Juelich, De
FR2706442B1 (fr) * 1993-06-14 1995-07-28 Morillon Corvol Courbot Sa Equipement de service pour bassin, réservoir d'eau ou analogue, notamment pour filtre lent à sable.
JP5201481B2 (ja) 2008-06-19 2013-06-05 株式会社ナガオカ 水処理装置および水処理装置濾材層の洗浄方法
CN102879433A (zh) * 2011-07-15 2013-01-16 江苏美诚生物科技有限公司 计量杯的反冲涡流清洗装置
CN118142223B (zh) * 2024-05-09 2024-07-05 山东凯米科化工股份有限公司 一种融雪剂砂滤过滤装置

Also Published As

Publication number Publication date
GB432742A (en) 1935-08-01

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