JPS55142599A - Sludge treating apparatus - Google Patents
Sludge treating apparatusInfo
- Publication number
- JPS55142599A JPS55142599A JP5129679A JP5129679A JPS55142599A JP S55142599 A JPS55142599 A JP S55142599A JP 5129679 A JP5129679 A JP 5129679A JP 5129679 A JP5129679 A JP 5129679A JP S55142599 A JPS55142599 A JP S55142599A
- Authority
- JP
- Japan
- Prior art keywords
- sludge
- heat
- concentrated
- heat exchanger
- concn
- 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
Links
Landscapes
- Treatment Of Sludge (AREA)
Abstract
PURPOSE: To make it possible to heat treat the sludge concentrated to a semi-solid state by a method wherein a concentrated sludge is heat treated by a heated fluid to improve dehydrating property thereof and, thereafter, subjected to dehydrating treatment.
CONSTITUTION: The sludge withdrawn from a concn. tank 1 is concentrated to a semi-solid state by a concn. apparatus, e.g., a centrifugal concn. machine or the like. The concentrated sludge is introduced under pressure into a primary side of a heat exchanger 3 and heated by a high temp. fluid flowing through a secondary side of a heat exchanger 3 and, by this heat treatment, the dehydrating property of the said sludge is modified to an improved state. Thereby, the heat treated sludge taken out by a method which lowers pressure of a primary side outlet of a heat exchanger 3 and, after being sent into a storage tank 8, succeedingly taken out to a dehydrator 5 to be dehydrated. The high temp. fluid flowing through a secondary side of a heat exchanger 3 is formed by a heater 8. Therefore, when the sludge after heat treatment is dehydrated, an amount of a filtrate can be significantly reduced and its effect to a water treating system can be reduced.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5129679A JPS55142599A (en) | 1979-04-24 | 1979-04-24 | Sludge treating apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5129679A JPS55142599A (en) | 1979-04-24 | 1979-04-24 | Sludge treating apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55142599A true JPS55142599A (en) | 1980-11-07 |
Family
ID=12882952
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5129679A Pending JPS55142599A (en) | 1979-04-24 | 1979-04-24 | Sludge treating apparatus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55142599A (en) |
-
1979
- 1979-04-24 JP JP5129679A patent/JPS55142599A/en active Pending
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