JPS54108066A - Washing method of upward flow sande filter device - Google Patents

Washing method of upward flow sande filter device

Info

Publication number
JPS54108066A
JPS54108066A JP1558078A JP1558078A JPS54108066A JP S54108066 A JPS54108066 A JP S54108066A JP 1558078 A JP1558078 A JP 1558078A JP 1558078 A JP1558078 A JP 1558078A JP S54108066 A JPS54108066 A JP S54108066A
Authority
JP
Japan
Prior art keywords
layer
bottom portion
filter
air
filter sand
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
JP1558078A
Other languages
Japanese (ja)
Inventor
Naohisa Ueda
Hisakatsu Matsumoto
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 Zosen Corp
Original Assignee
Hitachi Zosen Corp
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 Zosen Corp filed Critical Hitachi Zosen Corp
Priority to JP1558078A priority Critical patent/JPS54108066A/en
Publication of JPS54108066A publication Critical patent/JPS54108066A/en
Pending legal-status Critical Current

Links

Landscapes

  • Filtration Of Liquid (AREA)

Abstract

PURPOSE: To make complete washing through the process consisting removing most of suspensoid in air washing process, facilitating the development of filter sand by destroying said suspensoid by means of the air supplied to the bottom portion of said filter sand layer in subsequent water washing process and continuing water washing even after stopping air supply.
CONSTITUTION: In an upward flow sand filter system made by providing a sand filter layer 4 over a gravel layer 3, most of the suspensoid in gravel layer 3 bed by feeding supply air C to the bottom portion of said gravel layer 3 with the water level in a thak 1 is set in the vicintity of the surface of said filter sand layer 4. Supply air c is fed to the bottom portion of said filter sand layer 4 through a pipe 13 while washing water d is fed from the bottom portion of a tank 1 through a pipe 15 and asid supply water d is fed continuously after stopping said supply air c of said bottom portion of said filter sand layer 4, so that the portion on which the largest port of said suspenoid sticks is easily destroyed for making efficient development of said filter sand layer 4.
COPYRIGHT: (C)1979,JPO&Japio
JP1558078A 1978-02-13 1978-02-13 Washing method of upward flow sande filter device Pending JPS54108066A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1558078A JPS54108066A (en) 1978-02-13 1978-02-13 Washing method of upward flow sande filter device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1558078A JPS54108066A (en) 1978-02-13 1978-02-13 Washing method of upward flow sande filter device

Publications (1)

Publication Number Publication Date
JPS54108066A true JPS54108066A (en) 1979-08-24

Family

ID=11892661

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1558078A Pending JPS54108066A (en) 1978-02-13 1978-02-13 Washing method of upward flow sande filter device

Country Status (1)

Country Link
JP (1) JPS54108066A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014151278A (en) * 2013-02-08 2014-08-25 Mitsubishi Heavy Ind Ltd Method for cleaning sand filter apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50139458A (en) * 1974-04-25 1975-11-07

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50139458A (en) * 1974-04-25 1975-11-07

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014151278A (en) * 2013-02-08 2014-08-25 Mitsubishi Heavy Ind Ltd Method for cleaning sand filter apparatus

Similar Documents

Publication Publication Date Title
JPS54108066A (en) Washing method of upward flow sande filter device
JPS5748312A (en) Washing method for filter material
JPS5613040A (en) Method and apparatus for washing of ion exchange resin
JPS5217375A (en) Membrane separating apparatus
JPS5297265A (en) Bubbling cleaning method for liquid pipe system
JPS5721905A (en) Continuous sand filter
JPS57190695A (en) Method for purifying and deodorizing sewage by soil
JPS5339566A (en) Method of cleaning filter tank
JPS5575799A (en) Drying process of sludge
JPS52120978A (en) Washing method of semipermeable membrane
JPS55102420A (en) Purifying method for air in cattle shed or aviary
JPS52131263A (en) Method of cleaning filtration layer in filtration tank
JPS57159523A (en) Deodorizing method and apparatus using soil
JPS54103240A (en) Excrementitious matter purifying apparatus
JPS5554095A (en) Cleaning method for night soil digestion tank
JPS55116450A (en) Removing of salt from sea sand and device therefor
JPS56158104A (en) Degassing method
JPS5316458A (en) Process for treating organic sewage water
JPS52118613A (en) Removal method for high viscosity fluid
JPS52100608A (en) Air feed and water level control apparatus of pressure water tank
JPS54102058A (en) Water processing device using granular active carbons
JPS5581708A (en) Activated charcoal treating apparatus
JPS5253572A (en) Apparatus for continuously discharging water separated from muddy wate r
JPS5218062A (en) Sewage disposal method and sewage disposal device used in the method
JPS5367171A (en) Filter method