FI885116A - FOERFARANDE OCH ANORDNING FOER TILLFOERSEL AV KEMIKALIER I EN VAETSKA ELLER SUSPENSION SOM SKALL BEHANDLAS. - Google Patents
FOERFARANDE OCH ANORDNING FOER TILLFOERSEL AV KEMIKALIER I EN VAETSKA ELLER SUSPENSION SOM SKALL BEHANDLAS. Download PDFInfo
- Publication number
- FI885116A FI885116A FI885116A FI885116A FI885116A FI 885116 A FI885116 A FI 885116A FI 885116 A FI885116 A FI 885116A FI 885116 A FI885116 A FI 885116A FI 885116 A FI885116 A FI 885116A
- Authority
- FI
- Finland
- Prior art keywords
- suspension
- pressure
- chemical
- liquid
- feed
- Prior art date
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- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
- Paper (AREA)
Abstract
The present invention relates to a method and a device for feeding chemicals into a liquid or suspension that is to be treated. The method and the device according to the invention are especially well suited not only to feeding bleaching and other chemicals or the like into a fibre pulp in the cellulose and paper industry, but also, for example, to feed chemicals in connection with various treatment processes for untreated water and waste water. The method according to the invention is characterised in that the chemical(s) is/are fed into the liquid/the suspension that is to be treated so that, with a force proportional to the process pressure, a change is caused to the shape of a spring element forming part of the apparatus, a feed opening for the chemical(s) opening and the chemical(s) being fed into the liquid/the suspension with a pressure that is essentially greater than this pressure. The device for feeding chemicals according to the invention is, for its part, characterised in that the feed opening of the nozzle 21 is designed to open against a spring force under the effect of the feed pressure of the chemical(s), the feed pressure of the chemical being essentially greater than the pressure of the liquid/the suspension that is to be treated. <IMAGE>
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI885116A FI82725C (en) | 1988-11-07 | 1988-11-07 | FOERFARANDE OCH ANORDNING FOER TILLFOERSEL AV KEMIKALIER I EN VAETSKA ELLER SUSPENSION SOM SKALL BEHANDLAS. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI885116A FI82725C (en) | 1988-11-07 | 1988-11-07 | FOERFARANDE OCH ANORDNING FOER TILLFOERSEL AV KEMIKALIER I EN VAETSKA ELLER SUSPENSION SOM SKALL BEHANDLAS. |
FI885116 | 1988-11-07 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI885116A0 FI885116A0 (en) | 1988-11-07 |
FI885116A true FI885116A (en) | 1990-05-08 |
FI82725B FI82725B (en) | 1990-12-31 |
FI82725C FI82725C (en) | 1991-04-10 |
Family
ID=8527307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI885116A FI82725C (en) | 1988-11-07 | 1988-11-07 | FOERFARANDE OCH ANORDNING FOER TILLFOERSEL AV KEMIKALIER I EN VAETSKA ELLER SUSPENSION SOM SKALL BEHANDLAS. |
Country Status (1)
Country | Link |
---|---|
FI (1) | FI82725C (en) |
-
1988
- 1988-11-07 FI FI885116A patent/FI82725C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FI885116A0 (en) | 1988-11-07 |
FI82725B (en) | 1990-12-31 |
FI82725C (en) | 1991-04-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: A. AHLSTROEM OSAKEYHTIOE |