JPS57130519A - Filtration of oil-containing sludge - Google Patents

Filtration of oil-containing sludge

Info

Publication number
JPS57130519A
JPS57130519A JP56014725A JP1472581A JPS57130519A JP S57130519 A JPS57130519 A JP S57130519A JP 56014725 A JP56014725 A JP 56014725A JP 1472581 A JP1472581 A JP 1472581A JP S57130519 A JPS57130519 A JP S57130519A
Authority
JP
Japan
Prior art keywords
sludge
water
air
oil
filter cloth
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
JP56014725A
Other languages
Japanese (ja)
Inventor
Fumio Nishiguchi
Shigeharu Matsuura
Riichi Urushibara
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries 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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP56014725A priority Critical patent/JPS57130519A/en
Publication of JPS57130519A publication Critical patent/JPS57130519A/en
Pending legal-status Critical Current

Links

Landscapes

  • Treatment Of Sludge (AREA)
  • Filtration Of Liquid (AREA)

Abstract

PURPOSE: To remove oil films formed in meshes of filter cloth, in an oil-contg. sludge filter, by washing the filter cloth with water and then with air.
CONSTITUTION: The main body 1 of a rotary thickener is rotated at 4W10r.p.m., cleaning water having a pressure of 3W5kg/cm2G is fed to a pipe 3 provided with a water-washing nozzle, and compressed air having a pressure of 3kg/cm2G is fed to a pipe 4 provided with an air-washing nozzle, so that filter cloth 2 is washed with water and then with air by jets discharged from the water-washing nozzle 6 and the air-washing nozzle 7. On the other hand, coagulating sludge fed through an oil-contg. sludge-feed pipe 8 is transfered with rotation of the main body 1 of the rotary thickener, so that free water adherent to the sludge is let flow through the meshes of the filter cloth 2 into a filtrate-reservoir 9 and then drained. The coagulating sludge, which is concentrated by separation of the free water, is discharged through a concentrated sludge reservoir 10 outside the system.
COPYRIGHT: (C)1982,JPO&Japio
JP56014725A 1981-02-03 1981-02-03 Filtration of oil-containing sludge Pending JPS57130519A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56014725A JPS57130519A (en) 1981-02-03 1981-02-03 Filtration of oil-containing sludge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56014725A JPS57130519A (en) 1981-02-03 1981-02-03 Filtration of oil-containing sludge

Publications (1)

Publication Number Publication Date
JPS57130519A true JPS57130519A (en) 1982-08-13

Family

ID=11869099

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56014725A Pending JPS57130519A (en) 1981-02-03 1981-02-03 Filtration of oil-containing sludge

Country Status (1)

Country Link
JP (1) JPS57130519A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60176214U (en) * 1984-04-28 1985-11-21 石垣機工株式会社 Suspension concentration equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60176214U (en) * 1984-04-28 1985-11-21 石垣機工株式会社 Suspension concentration equipment
JPH0133140Y2 (en) * 1984-04-28 1989-10-09

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