FI971729A - Blow box used in the drying section of the paper machine and method in the drying section of the paper machine - Google Patents
Blow box used in the drying section of the paper machine and method in the drying section of the paper machine Download PDFInfo
- Publication number
- FI971729A FI971729A FI971729A FI971729A FI971729A FI 971729 A FI971729 A FI 971729A FI 971729 A FI971729 A FI 971729A FI 971729 A FI971729 A FI 971729A FI 971729 A FI971729 A FI 971729A
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- FI
- Finland
- Prior art keywords
- screen
- drying
- paper machine
- situated
- blowing
- Prior art date
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Abstract
The invention concerns a blowing box for use in a drying part of a paper machine, said blowing box comprising at least one chamber space 22 and a nozzle 30, 37, 38, 39 arranged in conjunction with it, in which blowing is arranged to occur through this. The blowing box 20 is situated in a drying group that applies to normal single screen driving in the drying part of the paper machine in a pocket space T partly bounded by two drying cylinders 10 situated next to each other and a lower cut-off cylinder or roll 14 situated between them, as well as a drying screen 17 to create an underpressure effect in the screen course, especially in the final input nip. The blowing box 20 comprises at least one moveable nozzle 30, 38 so that nozzle 30, 38 in the normal running position is situated next to screen 17 and the nozzle 30, 38 is moved farther away from the screen 17 for end guiding and/or bypassing of a paper lump, etc. The invention also concerns a method in the drying part of a paper machine in which a blowing box 20 is used to create an ejection effect, the blowing box being situated in a drying group as it applies normal single-screen guiding in a drying part of the paper machine in a pocket space T partly bounded by two drying cylinders 10 situated next to each other and a lower cut-off cylinder or roll 14 situated between them, as well as a drying screen 17. In the method at least one nozzle 30, 38 on the blowing box 20 is moved so that blowing during normal running is produced as close as possible to the screen 17 and blowing is produced farther away from the screen 17 during end guiding and/or bypassing of the paper lump, etc. <IMAGE>
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI971729A FI102774B1 (en) | 1997-04-23 | 1997-04-23 | Blowing box for use in a drying part of a paper machine and method in a drying part of a paper machine |
EP98917158A EP1012387B1 (en) | 1997-04-23 | 1998-04-23 | Drying section of a paper machine and a method for sealing an underpressure zone in a pocket space in a drying section of a papermaking machine |
DE1012387T DE1012387T1 (en) | 1997-04-23 | 1998-04-23 | BLOWING BOX FOR USE IN THE DRYING SECTION OF A PAPER MACHINE AND METHOD FOR SEALING THE POCKETS PROVIDED WITH A BLOWING BOX IN THE DRYING SECTION OF A PAPER MACHINE |
CA002287889A CA2287889C (en) | 1997-04-23 | 1998-04-23 | A blow box to be used in the drying section of a paper machine and a method for tightening a pocket provided with a blow box in the drying section of a paper machine |
JP54510398A JP3427388B2 (en) | 1997-04-23 | 1998-04-23 | Structure of dryer section for paper machine and method for sealing pocket space in dryer section of paper machine |
AT98917158T ATE330063T1 (en) | 1997-04-23 | 1998-04-23 | DRYING SECTION OF A PAPER MACHINE AND METHOD FOR SEALING A PRESSURE ZONE IN A POCKET IN A DRYING SECTION OF A PAPER MACHINE |
EP06115225A EP1717367A1 (en) | 1997-04-23 | 1998-04-23 | Blow box for the drying section of a papermaking machine and method for sealing a pocket with a blow box in the drying section of a papermaking machine |
AU70468/98A AU7046898A (en) | 1997-04-23 | 1998-04-23 | A blow box to be used in the drying section of a paper machine and a method for tightening a pocket provided with blow box in the drying section of a paper machine |
PCT/FI1998/000360 WO1998048109A1 (en) | 1997-04-23 | 1998-04-23 | A blow box to be used in the drying section of a paper machine and a method for tightening a pocket provided with a blow box in the drying section of a paper machine |
DE69834922T DE69834922T2 (en) | 1997-04-23 | 1998-04-23 | DRY PART OF A PAPER MACHINE AND METHOD FOR SEALING A UNDERPRESSURE ZONE IN A POCKET IN A DRY PART OF A PAPER MACHINE |
US09/420,760 US6247247B1 (en) | 1997-04-23 | 1999-10-20 | Blow box for the drying section of a papermaking machine, method for sealing a pocket with a blow box in the drying section of a papermaking machine, and arrangement in a papermaking machine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI971729 | 1997-04-23 | ||
FI971729A FI102774B1 (en) | 1997-04-23 | 1997-04-23 | Blowing box for use in a drying part of a paper machine and method in a drying part of a paper machine |
Publications (4)
Publication Number | Publication Date |
---|---|
FI971729A0 FI971729A0 (en) | 1997-04-23 |
FI971729A true FI971729A (en) | 1998-10-24 |
FI102774B FI102774B (en) | 1999-02-15 |
FI102774B1 FI102774B1 (en) | 1999-02-15 |
Family
ID=8548713
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI971729A FI102774B1 (en) | 1997-04-23 | 1997-04-23 | Blowing box for use in a drying part of a paper machine and method in a drying part of a paper machine |
Country Status (1)
Country | Link |
---|---|
FI (1) | FI102774B1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8117765B2 (en) | 2005-06-06 | 2012-02-21 | Metso Paper, Inc. | Apparatus and method of sealing of a pocket space between drying cylinders in a paper machine or a board machine |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI115232B (en) | 2002-11-19 | 2005-03-31 | Metso Paper Inc | Sealing device against moving fabric |
FI119152B (en) | 2004-06-03 | 2008-08-15 | Metso Paper Inc | Procedure and arrangement in paper machine or equivalent in the vicinity of a generally supported mobile web, sealing device and paper machine |
-
1997
- 1997-04-23 FI FI971729A patent/FI102774B1/en not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8117765B2 (en) | 2005-06-06 | 2012-02-21 | Metso Paper, Inc. | Apparatus and method of sealing of a pocket space between drying cylinders in a paper machine or a board machine |
Also Published As
Publication number | Publication date |
---|---|
FI971729A0 (en) | 1997-04-23 |
FI102774B (en) | 1999-02-15 |
FI102774B1 (en) | 1999-02-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |