JPS55127111A - Filter - Google Patents

Filter

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Publication number
JPS55127111A
JPS55127111A JP3325279A JP3325279A JPS55127111A JP S55127111 A JPS55127111 A JP S55127111A JP 3325279 A JP3325279 A JP 3325279A JP 3325279 A JP3325279 A JP 3325279A JP S55127111 A JPS55127111 A JP S55127111A
Authority
JP
Japan
Prior art keywords
filter
ball
balls
support plate
filter material
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.)
Pending
Application number
JP3325279A
Other languages
Japanese (ja)
Inventor
Shiro Kaneko
Masa Iwai
Azuma Nakaoka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Plant Technologies Ltd
Original Assignee
Hitachi Plant Technologies Ltd
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 Hitachi Plant Technologies Ltd filed Critical Hitachi Plant Technologies Ltd
Priority to JP3325279A priority Critical patent/JPS55127111A/en
Publication of JPS55127111A publication Critical patent/JPS55127111A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To perform efficient backwash and to eliminate blocking due to clogged filter support member by installing filter support member filled with a lot of balls between a pair of upper and lower porous plates in a filter tank.
CONSTITUTION: As shown by the arrow 48, raw water is guided from inlet 12 into filter tank 10, is filtered by filter material 18, is passed through upper support plate 20, ball-contained chamber 24, lower support plate 22, and is discharged from outlet 14 to the outside. In backwashing of filter material 18, cleaning water is forced to enter the tank 10 from the outlet 14 as shown by the arrow 52, and is passed through the support plate 22, ball chamber 24, and support plate 20. Because the cleaning water passes through fine spaces between many balls 26, the water forms complex turbulent flow. This gives the filter material 18 momentarily and locally strong shearing force intermittently. As a result, deposit is easily separated from the filter material 18. The balls 26 are sent to ball cleaning section 32 by cleaning water coming from the pipe 46 which supplies ball transfer medium. There, the balls are cleaned and returned to the ball chamber 24.
COPYRIGHT: (C)1980,JPO&Japio
JP3325279A 1979-03-23 1979-03-23 Filter Pending JPS55127111A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3325279A JPS55127111A (en) 1979-03-23 1979-03-23 Filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3325279A JPS55127111A (en) 1979-03-23 1979-03-23 Filter

Publications (1)

Publication Number Publication Date
JPS55127111A true JPS55127111A (en) 1980-10-01

Family

ID=12381298

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3325279A Pending JPS55127111A (en) 1979-03-23 1979-03-23 Filter

Country Status (1)

Country Link
JP (1) JPS55127111A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100458563B1 (en) * 2002-08-24 2004-12-03 주식회사 종합공해 Spherical Filter For Water Treatment Device
CN104740905A (en) * 2014-07-22 2015-07-01 施周平 Multi-medium filter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100458563B1 (en) * 2002-08-24 2004-12-03 주식회사 종합공해 Spherical Filter For Water Treatment Device
CN104740905A (en) * 2014-07-22 2015-07-01 施周平 Multi-medium filter

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