JPS57144003A - Operating method for membrane separator - Google Patents
Operating method for membrane separatorInfo
- Publication number
- JPS57144003A JPS57144003A JP3016981A JP3016981A JPS57144003A JP S57144003 A JPS57144003 A JP S57144003A JP 3016981 A JP3016981 A JP 3016981A JP 3016981 A JP3016981 A JP 3016981A JP S57144003 A JPS57144003 A JP S57144003A
- Authority
- JP
- Japan
- Prior art keywords
- membrane
- valve
- liquid
- pump
- upper stream
- 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
Abstract
PURPOSE: To elminate the possibility of liquid leakage and the sticking of valves in a membrane separator for liquid contg. adhesive or tacky materials, by preventing the failure of a membrane owing to the negative pressure on the upper stream side of the membrane when the operation is stopped only through the operation of a stop valve.
CONSTITUTION: Treating liquid is pumped 2 from a tank to the upper stream side of the membrane of a membrane separator 1. Here, the liquid components permeate through the membrane and are recovered into a separate tank through a discharge pipe 5. During this time, a stop valve 6 is held opened and a safety valve 8 held closed. When the valve 6 is closed extremely gradually by driving a motor 7 to stop the operation of the membrane sepn., the amt. of the treating liquid to be supplied to the upper stream side of the membrane of the device 1 decreases gradually and it goes zero when the valve 6 is fully shut. At the same time, negative pressure is developed gradually in a delivery piping 3 on the discharge side of the pump 2 on gradual closing of the valve 6, and when it rises above a certain pressure, the valve 8 opens to circulate the treating liquid delivered from the pump 2 to a pressure release piping 9. Finally, the liquid flow in the device 1 is stopped completely, after which the pump 2 is turned off.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3016981A JPS57144003A (en) | 1981-03-03 | 1981-03-03 | Operating method for membrane separator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3016981A JPS57144003A (en) | 1981-03-03 | 1981-03-03 | Operating method for membrane separator |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57144003A true JPS57144003A (en) | 1982-09-06 |
Family
ID=12296245
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3016981A Pending JPS57144003A (en) | 1981-03-03 | 1981-03-03 | Operating method for membrane separator |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57144003A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57153703A (en) * | 1981-03-17 | 1982-09-22 | Nitto Electric Ind Co Ltd | Membrane separation treatment |
JPS60882A (en) * | 1983-05-31 | 1985-01-05 | Kurita Water Ind Ltd | Device for producing ultra-pure water |
JPS60235616A (en) * | 1984-05-10 | 1985-11-22 | Asahi Chem Ind Co Ltd | Automatic stopping device of up-lift pressure in filtration apparatus |
JP2007253084A (en) * | 2006-03-24 | 2007-10-04 | Kagome Co Ltd | Reverse osmosis enrichment method |
JP2007253047A (en) * | 2006-03-23 | 2007-10-04 | Kagome Co Ltd | Reverse osmosis concentration apparatus |
JP2013133951A (en) * | 2011-12-26 | 2013-07-08 | Daikin Industries Ltd | Humidity controller |
-
1981
- 1981-03-03 JP JP3016981A patent/JPS57144003A/en active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57153703A (en) * | 1981-03-17 | 1982-09-22 | Nitto Electric Ind Co Ltd | Membrane separation treatment |
JPS60882A (en) * | 1983-05-31 | 1985-01-05 | Kurita Water Ind Ltd | Device for producing ultra-pure water |
JPS60235616A (en) * | 1984-05-10 | 1985-11-22 | Asahi Chem Ind Co Ltd | Automatic stopping device of up-lift pressure in filtration apparatus |
JP2007253047A (en) * | 2006-03-23 | 2007-10-04 | Kagome Co Ltd | Reverse osmosis concentration apparatus |
JP2007253084A (en) * | 2006-03-24 | 2007-10-04 | Kagome Co Ltd | Reverse osmosis enrichment method |
JP2013133951A (en) * | 2011-12-26 | 2013-07-08 | Daikin Industries Ltd | Humidity controller |
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