JPS57110308A - Method and apparatus for removing screenings - Google Patents

Method and apparatus for removing screenings

Info

Publication number
JPS57110308A
JPS57110308A JP18840980A JP18840980A JPS57110308A JP S57110308 A JPS57110308 A JP S57110308A JP 18840980 A JP18840980 A JP 18840980A JP 18840980 A JP18840980 A JP 18840980A JP S57110308 A JPS57110308 A JP S57110308A
Authority
JP
Japan
Prior art keywords
washing
screenings
machine
washed
tank
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.)
Granted
Application number
JP18840980A
Other languages
Japanese (ja)
Other versions
JPS5910262B2 (en
Inventor
Masanori Fushio
Tetsuo Yamagata
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 Kiden Kogyo Ltd
Original Assignee
Hitachi Kiden Kogyo 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 Kiden Kogyo Ltd filed Critical Hitachi Kiden Kogyo Ltd
Priority to JP18840980A priority Critical patent/JPS5910262B2/en
Publication of JPS57110308A publication Critical patent/JPS57110308A/en
Publication of JPS5910262B2 publication Critical patent/JPS5910262B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)

Abstract

PURPOSE: To enable to carry out washing sufficiently, in a process for washing off the screenings recovered from a sewage treatment plant, by washing the screenings again when the washing is insufficient by one washing.
CONSTITUTION: Said screenings is supplied in a washing tank 1 by a charging conveyor 2 or the like as well as washing water is supplied therein and stirred and washed by a stirring and washing machine 3. The washed screenings is scraped up by a dust removing machine 4 and conveyed out from the tank by a discharge conveyor machine 5. When the washing of the screenings is insufficient, after said screenings is dehydrated by a dehydrator, the discharge conveyor machine 5 is reversely operated to supply and transfer said screenings in a conveyor trough 9 and again thrown in the washing tank 1. After the screenings is again washed, it is scraped up by the dust removing machine. As described above, a washing time can be selected corresponding to a contamination degree of the screenings and repeating washing is carried out for a definite time.
COPYRIGHT: (C)1982,JPO&Japio
JP18840980A 1980-12-26 1980-12-26 Screen scum cleaning method and device Expired JPS5910262B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18840980A JPS5910262B2 (en) 1980-12-26 1980-12-26 Screen scum cleaning method and device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18840980A JPS5910262B2 (en) 1980-12-26 1980-12-26 Screen scum cleaning method and device

Publications (2)

Publication Number Publication Date
JPS57110308A true JPS57110308A (en) 1982-07-09
JPS5910262B2 JPS5910262B2 (en) 1984-03-07

Family

ID=16223140

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18840980A Expired JPS5910262B2 (en) 1980-12-26 1980-12-26 Screen scum cleaning method and device

Country Status (1)

Country Link
JP (1) JPS5910262B2 (en)

Also Published As

Publication number Publication date
JPS5910262B2 (en) 1984-03-07

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