JPS57136999A - Washing device for digested sludge - Google Patents

Washing device for digested sludge

Info

Publication number
JPS57136999A
JPS57136999A JP56023363A JP2336381A JPS57136999A JP S57136999 A JPS57136999 A JP S57136999A JP 56023363 A JP56023363 A JP 56023363A JP 2336381 A JP2336381 A JP 2336381A JP S57136999 A JPS57136999 A JP S57136999A
Authority
JP
Japan
Prior art keywords
bowl
supplied
digested sludge
mixed liquids
port
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
JP56023363A
Other languages
Japanese (ja)
Inventor
Teizo Yamashita
Tomio Suzuki
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.)
Nishihara Environment Co Ltd
Original Assignee
Nishihara Environmental Sanitation Research 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 Nishihara Environmental Sanitation Research Corp filed Critical Nishihara Environmental Sanitation Research Corp
Priority to JP56023363A priority Critical patent/JPS57136999A/en
Publication of JPS57136999A publication Critical patent/JPS57136999A/en
Pending legal-status Critical Current

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  • Treatment Of Sludge (AREA)

Abstract

PURPOSE: To improve the recovery rate of solids by providing a mixer which adds washing water of low alkalinity to digested sludge, a rotary bowl, a supply device for a mixture, and a centrifugal concentrator of said mixture provided with a supernatant overflow part.
CONSTITUTION: The digested sludge supplied into a tank 2 and secondary treated water as washing water are mixed, and the mixed liquids are supplied to the next centrifugal concentrator 4. The mixed liquids from a mixer 1 are supplied into a cylindrical shaft 9 through a supply pipe 10 then into a rotary bowl 5 through the through-hole provided in the shaft 8. While the mixed liquids revolve at a high speed together with the rotary bowl, they receive powerful settling and separating effect by centrifugal force. The separated liquid in the upper layer is discharged through an overflow port 11 formed as a supernatant overflow part at one end of the bowl 5. The solids settling in the bowl 5 are transferred by a screw 6 to the side opposite from the port 11 and are discharged through a discharge port 12.
COPYRIGHT: (C)1982,JPO&Japio
JP56023363A 1981-02-19 1981-02-19 Washing device for digested sludge Pending JPS57136999A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56023363A JPS57136999A (en) 1981-02-19 1981-02-19 Washing device for digested sludge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56023363A JPS57136999A (en) 1981-02-19 1981-02-19 Washing device for digested sludge

Publications (1)

Publication Number Publication Date
JPS57136999A true JPS57136999A (en) 1982-08-24

Family

ID=12108478

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56023363A Pending JPS57136999A (en) 1981-02-19 1981-02-19 Washing device for digested sludge

Country Status (1)

Country Link
JP (1) JPS57136999A (en)

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