JPS57174200A - Dry treatment for high moisture content waste - Google Patents
Dry treatment for high moisture content wasteInfo
- 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
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
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5025474A (en) * | 1973-07-09 | 1975-03-18 |
-
1981
- 1981-04-21 JP JP56059183A patent/JPS57174200A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5025474A (en) * | 1973-07-09 | 1975-03-18 |
Cited By (3)
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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