JPS55142599A - Sludge treating apparatus - Google Patents

Sludge treating apparatus

Info

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
Application number
JP5129679A
Other languages
Japanese (ja)
Inventor
Tetsuo Moriguchi
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP5129679A priority Critical patent/JPS55142599A/en
Publication of JPS55142599A publication Critical patent/JPS55142599A/en
Pending legal-status Critical Current

Links

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  • 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CONSTITUTION: The sludge withdrawn from a concn.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
JP5129679A 1979-04-24 1979-04-24 Sludge treating apparatus Pending JPS55142599A (en)

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)

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