JPS5561907A - Automatic switching filter apparatus - Google Patents

Automatic switching filter apparatus

Info

Publication number
JPS5561907A
JPS5561907A JP13408978A JP13408978A JPS5561907A JP S5561907 A JPS5561907 A JP S5561907A JP 13408978 A JP13408978 A JP 13408978A JP 13408978 A JP13408978 A JP 13408978A JP S5561907 A JPS5561907 A JP S5561907A
Authority
JP
Japan
Prior art keywords
liquid
backwash
stock
pipe
pump
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
JP13408978A
Other languages
Japanese (ja)
Other versions
JPS569365B2 (en
Inventor
Kenichi Fujiwara
Keisuke Inoue
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 Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
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 Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP13408978A priority Critical patent/JPS5561907A/en
Publication of JPS5561907A publication Critical patent/JPS5561907A/en
Publication of JPS569365B2 publication Critical patent/JPS569365B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To automatically switch a filter process of a stock liquid and a backwash process of a liquid filter apparatus by providing two three-way switch valve on the arranged pipe system of a pressure and down-flow type liquid filter apparatus.
CONSTITUTION: A three-way switch valve at a stock liquid supplying side connects a stock liquid suction pipe 14 and a stock liquid supplying and backwash waste liquid exhausting pipe 17 during the operation period of a stock solution pump 12 and connects the stock liquid supplying and backwash waste liquid exhausting pipe 17 and a backwash waste liquid discharging pipe 9 when the operation of the stock liquid pump 12 is stopped. On the other hand, a three-way switch valve 1' at the backwash liquid supplying side connects a backwash liquid suction pipe 23 and a backwash liquid supplying and filtrate exhausting pipe during the operation period of a backwash liquid pump 22 and connects the backwash liquid supplying and filtrate exhausting pipe 24 and a filtrate discharging pipe when the operation of the backwash liquid pump 22 is stopped. And the switching of a liquid supplying channel of a filter process and a liquid supplying channel of a backwash process is carried out automatically by the operation and the stop of the stock liquid pump 12 and the backwash liquid pump 22 only.
COPYRIGHT: (C)1980,JPO&Japio
JP13408978A 1978-10-31 1978-10-31 Automatic switching filter apparatus Granted JPS5561907A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13408978A JPS5561907A (en) 1978-10-31 1978-10-31 Automatic switching filter apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13408978A JPS5561907A (en) 1978-10-31 1978-10-31 Automatic switching filter apparatus

Publications (2)

Publication Number Publication Date
JPS5561907A true JPS5561907A (en) 1980-05-10
JPS569365B2 JPS569365B2 (en) 1981-02-28

Family

ID=15120155

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13408978A Granted JPS5561907A (en) 1978-10-31 1978-10-31 Automatic switching filter apparatus

Country Status (1)

Country Link
JP (1) JPS5561907A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4938627U (en) * 1972-07-06 1974-04-05

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4938627U (en) * 1972-07-06 1974-04-05

Also Published As

Publication number Publication date
JPS569365B2 (en) 1981-02-28

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