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1. WO2020116009 - FILTER ELEMENT FOR BACKWASH FILTERING DEVICE, AND BACKWASH FILTERING DEVICE

Publication Number WO/2020/116009
Publication Date 11.06.2020
International Application No. PCT/JP2019/038869
International Filing Date 02.10.2019
IPC
B01D 29/11 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
29Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/-B01D27/170;   Filtering elements therefor
11with bag, cage, hose, tube, sleeve or like filtering elements
B01D 24/48 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
24Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
48integrally combined with devices for controlling the filtration
B01D 29/50 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
29Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/-B01D27/170;   Filtering elements therefor
50with multiple filtering elements, characterised by their mutual disposition
B01D 29/60 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
29Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/-B01D27/170;   Filtering elements therefor
60integrally combined with devices for controlling the filtration
B01D 29/66 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
29Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/-B01D27/170;   Filtering elements therefor
62Regenerating the filter material in the filter
66by flushing, e.g. counter-current air-bumps
CPC
B01D 24/48
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
24Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
48integrally combined with devices for controlling the filtration
B01D 29/11
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
29Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor
11with bag, cage, hose, tube, sleeve or like filtering elements
B01D 29/50
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
29Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor
50with multiple filtering elements, characterised by their mutual disposition
B01D 29/60
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
29Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor
60integrally combined with devices for controlling the filtration
B01D 29/66
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
29Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor
62Regenerating the filter material in the filter
66by flushing, e.g. counter-current air-bumps
Applicants
  • 神奈川機器工業株式会社 KANAGAWA KIKI KOGYO CO., LTD [JP]/[JP]
Inventors
  • 山田 典生 YAMADA Norio
  • 松尾 崇 MATSUO Takashi
  • 久保 竜二 KUBO Ryuji
Agents
  • 高橋 隆二 TAKAHASHI Ryuji
  • 上野 晋 UENO Susumu
  • 杉原 誉胤 SUGIHARA Mototsugu
Priority Data
2018-22789105.12.2018JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) FILTER ELEMENT FOR BACKWASH FILTERING DEVICE, AND BACKWASH FILTERING DEVICE
(FR) ÉLÉMENT FILTRANT POUR DISPOSITIF DE FILTRAGE DE LAVAGE À CONTRE-COURANT, ET DISPOSITIF DE FILTRAGE DE LAVAGE À CONTRE-COURANT
(JA) 逆洗型ろ過装置用のフィルタエレメント及び逆洗型ろ過装置
Abstract
(EN)
A filter element 10 for a backwash filtering device has an outer element 11 formed in a hollow circular cylindrical shape and open at the opposite ends thereof, and has an inner element 12 formed in a hollow circular cylindrical shape and disposed within the outer element 11 so as to be coaxial with the center axis of the outer element 11. The radial length dimension of the outer element 11 is greater than the radial length dimension of the inner element 12. The upper end of the inner element 12 is open, and the lower end of the inner element 12 is closed and is formed as a lower end closed section 13. An annular upper cover 14 for closing the gap formed between the inner peripheral side surface of the upper end of the outer element 11 and the outer peripheral side surface of the upper end of the inner element 12 is provided on the upper end side of the filter element.
(FR)
Un élément filtrant 10 pour un dispositif de filtrage à contre-courant a un élément externe 11 formé dans une forme cylindrique circulaire creuse et ouvert aux extrémités opposées de celui-ci, et a un élément interne 12 formé dans une forme cylindrique circulaire creuse et disposé à l'intérieur de l'élément externe 11 de façon à être coaxial avec l'axe central de l'élément externe 11. La dimension radiale de l'élément externe 11 est supérieure à la dimension radiale de l'élément interne 12. L'extrémité supérieure de l'élément interne 12 est ouverte, et l'extrémité inférieure de l'élément interne 11 est fermée et est formée en tant que section fermée 13 d'extrémité inférieure. Un couvercle supérieur annulaire 14 pour fermer l'espace formé entre la surface latérale périphérique interne de l'extrémité supérieure de l'élément externe 11 et la surface latérale périphérique externe de l'extrémité supérieure de l'élément interne 12 est disposé sur le côté d'extrémité supérieure de l'élément filtrant.
(JA)
逆洗型ろ過装置用のフィルタエレメント10であって、両端が貫通している中空円筒状に形成された外側エレメント11と、外側エレメント11の筒内に、外側エレメント11と中心軸を同一にして配置された中空円筒状に形成された内側エレメント12とを有し、外側エレメント11の径方向の長さ寸法は、内側エレメント12の径方向の長さ寸法よりも大きくなっており、内側エレメント12は、上端が開口していると共に下端が閉塞された下端部閉塞部13になっており、その上端部側には、外側エレメント11の上端部の内周側面部と内側エレメント12の上端部の外周側面部との間に形成れた隙間部を塞ぐ環状の上蓋14が設けられている。
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