JPS57174200A - Dry treatment for high moisture content waste - Google Patents

Dry treatment for high moisture content waste

Info

Publication number
JPS57174200A
JPS57174200A JP56059183A JP5918381A JPS57174200A JP S57174200 A JPS57174200 A JP S57174200A JP 56059183 A JP56059183 A JP 56059183A JP 5918381 A JP5918381 A JP 5918381A JP S57174200 A JPS57174200 A JP S57174200A
Authority
JP
Japan
Prior art keywords
cake
sludge
dehydrated
discharged
quicklime
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
JP56059183A
Other languages
Japanese (ja)
Other versions
JPH0253119B2 (en
Inventor
Hisataka Ito
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.)
IHI Corp
Original Assignee
IHI 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 IHI Corp filed Critical IHI Corp
Priority to JP56059183A priority Critical patent/JPS57174200A/en
Publication of JPS57174200A publication Critical patent/JPS57174200A/en
Publication of JPH0253119B2 publication Critical patent/JPH0253119B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Processing Of Solid Wastes (AREA)
  • Treatment Of Sludge (AREA)

Abstract

PURPOSE: To make handling of sludge cake easy and to reduce the usage of a heating assistant by adding and including quicklime into dehydrated sludge cake, and drying the sludge cake by the heat of slaking reaction thereof then incinerating the sludge in an incineration stage.
CONSTITUTION: High moisture content waste is settled and separated with a concentrating device 1, and the concd. sludge 2 is discharged. This discharged sludge 2 is fed to a dehydrator 3 such as centrifugal separator, by which it is dehydrated and dehydrated cake 4 is formed. The separated dehydration liquid 5 is returned to a concentrator q1 from which it is discharged as treated water. The sludge cake 4 is transferred into an agitation mixing tank 6, and when quicklime is added and mixed to and with this, the quicklime generates high heat by acting with the water of the cake 4, thereby forming slaked lime. The moisture of the cake 4 is evaporated to steam by the reaction heat evolved at this slaking, and this steam is removed. The cake 4 is dried and dry fine powder 7 is formed.
COPYRIGHT: (C)1982,JPO&Japio
JP56059183A 1981-04-21 1981-04-21 Dry treatment for high moisture content waste Granted JPS57174200A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56059183A JPS57174200A (en) 1981-04-21 1981-04-21 Dry treatment for high moisture content waste

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56059183A JPS57174200A (en) 1981-04-21 1981-04-21 Dry treatment for high moisture content waste

Publications (2)

Publication Number Publication Date
JPS57174200A true JPS57174200A (en) 1982-10-26
JPH0253119B2 JPH0253119B2 (en) 1990-11-15

Family

ID=13106031

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56059183A Granted JPS57174200A (en) 1981-04-21 1981-04-21 Dry treatment for high moisture content waste

Country Status (1)

Country Link
JP (1) JPS57174200A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04273909A (en) * 1991-02-27 1992-09-30 Plando Kenkyusho:Kk Incineration method of refuse
JPH06300648A (en) * 1993-04-16 1994-10-28 Murata Mach Ltd Tension sensor and calibration method therefor
KR20010007835A (en) * 2000-10-05 2001-02-05 정상옥 drying method for organic waste using synthesis of ettringite

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5025474A (en) * 1973-07-09 1975-03-18

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5025474A (en) * 1973-07-09 1975-03-18

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04273909A (en) * 1991-02-27 1992-09-30 Plando Kenkyusho:Kk Incineration method of refuse
JPH06300648A (en) * 1993-04-16 1994-10-28 Murata Mach Ltd Tension sensor and calibration method therefor
KR20010007835A (en) * 2000-10-05 2001-02-05 정상옥 drying method for organic waste using synthesis of ettringite

Also Published As

Publication number Publication date
JPH0253119B2 (en) 1990-11-15

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