JPS5556900A - Freezing and thawing treatment method for sludge - Google Patents
Freezing and thawing treatment method for sludgeInfo
- Publication number
- JPS5556900A JPS5556900A JP13201278A JP13201278A JPS5556900A JP S5556900 A JPS5556900 A JP S5556900A JP 13201278 A JP13201278 A JP 13201278A JP 13201278 A JP13201278 A JP 13201278A JP S5556900 A JPS5556900 A JP S5556900A
- Authority
- JP
- Japan
- Prior art keywords
- sludge
- freezing
- heat exchangers
- fluidity
- upheaved
- 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
- Treatment Of Sludge (AREA)
Abstract
PURPOSE: To make better the fluidity of sludge and hasten the freezing of the sludge by supplying a liquid substance of a higher fluidity than sludge to unfrozen sludge upheaved by its volumetric expansion by freezing between heat exchangers.
CONSTITUTION: When flowing a cooling brine into the heat exchangers 2a and 2b, the unfrozen sludge 4 is upheaved at the center of the frozen portion 5 between both heat exhangers, and then as the upheave exceeds, a liquid substnace of a higher fluidity than the sludge, e.g., water, is added in a fixed amount to the upheaved sludge 4 protion, whereby the fluidity of the sludge 4 is made better and the sludge extends in the form of the mixed sludge 7 into between the heat exchangers 2a and 2b and thus the contact area between the heat exchangers 2a and 2b is increased freezing time is shortened. Also, the liquid substance is jetted onto the sludge 4 at a fixed pressure to make better the mixing of the sludge and water and the extention of the sludge for enhancing expected effects.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13201278A JPS598200B2 (en) | 1978-10-25 | 1978-10-25 | Freeze-thaw treatment method for sludge |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13201278A JPS598200B2 (en) | 1978-10-25 | 1978-10-25 | Freeze-thaw treatment method for sludge |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5556900A true JPS5556900A (en) | 1980-04-26 |
JPS598200B2 JPS598200B2 (en) | 1984-02-23 |
Family
ID=15071464
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13201278A Expired JPS598200B2 (en) | 1978-10-25 | 1978-10-25 | Freeze-thaw treatment method for sludge |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS598200B2 (en) |
-
1978
- 1978-10-25 JP JP13201278A patent/JPS598200B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS598200B2 (en) | 1984-02-23 |
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