FI102196B1 - Method and arrangement during drying of a paper web or the like - Google Patents
Method and arrangement during drying of a paper web or the likeInfo
- Publication number
- FI102196B1 FI102196B1 FI971220A FI971220A FI102196B1 FI 102196 B1 FI102196 B1 FI 102196B1 FI 971220 A FI971220 A FI 971220A FI 971220 A FI971220 A FI 971220A FI 102196 B1 FI102196 B1 FI 102196B1
- Authority
- FI
- Finland
- Prior art keywords
- drying
- air
- arrangement
- paper web
- pocket space
- Prior art date
Links
Landscapes
- Drying Of Solid Materials (AREA)
- Paper (AREA)
Abstract
The invention concerns a method during drying of a paper web or the like. In the method the paper web W is dried in a drying group R which applies single screen running in which the paper web being dried is supported by the drying screen F from the suction rolls 21 or corresponding rolls in a lower roll RA to the drying cylinders 20 and in an upper row RY on which drying cylinders 20 the paper web W is dried against a contact drying surface. In the method a pocket space T is air conditioned in the lower row, which pocket space is formed in an area bounded by two suction rolls 21 positioned next to each other for the screen F and a drying cylinder 20 with an air conditioning arrangement 10. Dry air is blown with the air conditioning arrangement 10 with a blowing part 11 and moist air is drawn in with a suction part 12. With air conditioning arrangement 10 an air curtain blowing P4 is also created with which moist air is limited to the pocket the space region and moist air is fed from pocket space D to the suction zone 12 from the air conditioning arrangement 10 situated in the next pocket space T in the running direction SW of the web. The invention also concerns an arrangement for drying a paper web or the like. The arrangement is positioned in a pocket space T in a lower row RA on a section that employs single-screen running in a drying group R in a paper machine or the like, the pocket space being formed in an area bounded by two suction rolls 21 situated next to each other for the screen F in a drying cylinder 20. The arrangement includes a blowing part 11 and a suction part 12. The air conditioning arrangement 10 also includes an air curtain blowing part 13 for air curtain blowing P4 to feed moist air to the suction zone 12 from the air conditioning arrangement 10 situated in the next pocket space T in the running direction SW of the web. <IMAGE>
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI971220A FI102196B (en) | 1997-03-24 | 1997-03-24 | Method and apparatus for drying a paper web or equivalent |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI971220A FI102196B (en) | 1997-03-24 | 1997-03-24 | Method and apparatus for drying a paper web or equivalent |
FI971220 | 1997-03-24 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI971220A0 FI971220A0 (en) | 1997-03-24 |
FI102196B1 true FI102196B1 (en) | 1998-10-30 |
FI102196B FI102196B (en) | 1998-10-30 |
Family
ID=8548453
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI971220A FI102196B (en) | 1997-03-24 | 1997-03-24 | Method and apparatus for drying a paper web or equivalent |
Country Status (1)
Country | Link |
---|---|
FI (1) | FI102196B (en) |
-
1997
- 1997-03-24 FI FI971220A patent/FI102196B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FI971220A0 (en) | 1997-03-24 |
FI102196B (en) | 1998-10-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MA | Patent expired |