JPS5658501A - Concentration controlling system in production of solution of plural kinds of concentrations - Google Patents

Concentration controlling system in production of solution of plural kinds of concentrations

Info

Publication number
JPS5658501A
JPS5658501A JP13553879A JP13553879A JPS5658501A JP S5658501 A JPS5658501 A JP S5658501A JP 13553879 A JP13553879 A JP 13553879A JP 13553879 A JP13553879 A JP 13553879A JP S5658501 A JPS5658501 A JP S5658501A
Authority
JP
Japan
Prior art keywords
concentration
output
flow rate
operator
equivalently
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
JP13553879A
Other languages
Japanese (ja)
Other versions
JPS6340121B2 (en
Inventor
Ikuo Miura
Hiroshi Muramatsu
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.)
Ebara Corp
Original Assignee
Ebara 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 Ebara Corp filed Critical Ebara Corp
Priority to JP13553879A priority Critical patent/JPS5658501A/en
Publication of JPS5658501A publication Critical patent/JPS5658501A/en
Publication of JPS6340121B2 publication Critical patent/JPS6340121B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

PURPOSE: To enable solution of multiple kinds to be produced easily and efficiently with the same concentrating apparatus by operating, correcting and optimizing the output signal of a product solution outlet concentration detecting part and obtaining an optimum control constant equivalently.
CONSTITUTION: At the time of controlling product solution outlet concentration in a concentrating apparatus 1, raw liquid inlet flow rate is mainly operated at the steady operation and heating vapor flow rate is used in combination as suboperating quantity at the output concentrating changing. At the same instant when the output concentration is set by an output concentration setter 18, setting of a vapor flow control indicating controller 14 corresponding to the rate of evaporation determined from the concentration set value and the desired value of the raw liquid inlet flow rate etc. by an operator 19 is carried out. At the same time, the setting of an operator 20 to optimize the output signal of an output concentration indicating controller 17 is carried out as correction to the change in the process gain caused owing to the change of the concentration set value. In this way, the PID constant of the controller 17 is automatically adjusted so as to enter the allowable range of the optimum value equivalently.
COPYRIGHT: (C)1981,JPO&Japio
JP13553879A 1979-10-20 1979-10-20 Concentration controlling system in production of solution of plural kinds of concentrations Granted JPS5658501A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13553879A JPS5658501A (en) 1979-10-20 1979-10-20 Concentration controlling system in production of solution of plural kinds of concentrations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13553879A JPS5658501A (en) 1979-10-20 1979-10-20 Concentration controlling system in production of solution of plural kinds of concentrations

Publications (2)

Publication Number Publication Date
JPS5658501A true JPS5658501A (en) 1981-05-21
JPS6340121B2 JPS6340121B2 (en) 1988-08-09

Family

ID=15154114

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13553879A Granted JPS5658501A (en) 1979-10-20 1979-10-20 Concentration controlling system in production of solution of plural kinds of concentrations

Country Status (1)

Country Link
JP (1) JPS5658501A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6869501B2 (en) 2001-12-20 2005-03-22 3M Innovative Properties Company Continuous process for controlled concentration of colloidal solutions

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53123374A (en) * 1977-04-04 1978-10-27 Ebara Corp Controlling method for concentrating still

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53123374A (en) * 1977-04-04 1978-10-27 Ebara Corp Controlling method for concentrating still

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6869501B2 (en) 2001-12-20 2005-03-22 3M Innovative Properties Company Continuous process for controlled concentration of colloidal solutions

Also Published As

Publication number Publication date
JPS6340121B2 (en) 1988-08-09

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