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 PDF

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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
Authority
FI
Finland
Prior art keywords
screen
drying
paper machine
situated
blowing
Prior art date
Application number
FI971729A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI971729A0 (en
FI102774B (en
FI102774B1 (en
Inventor
Matti Kurki
Raimo Virta
Original Assignee
Valmet Corp
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 Valmet Corp filed Critical Valmet Corp
Publication of FI971729A0 publication Critical patent/FI971729A0/en
Priority to FI971729A priority Critical patent/FI102774B1/en
Priority to EP06115225A priority patent/EP1717367A1/en
Priority to PCT/FI1998/000360 priority patent/WO1998048109A1/en
Priority to CA002287889A priority patent/CA2287889C/en
Priority to JP54510398A priority patent/JP3427388B2/en
Priority to AT98917158T priority patent/ATE330063T1/en
Priority to EP98917158A priority patent/EP1012387B1/en
Priority to AU70468/98A priority patent/AU7046898A/en
Priority to DE1012387T priority patent/DE1012387T1/en
Priority to DE69834922T priority patent/DE69834922T2/en
Publication of FI971729A publication Critical patent/FI971729A/en
Application granted granted Critical
Publication of FI102774B publication Critical patent/FI102774B/en
Publication of FI102774B1 publication Critical patent/FI102774B1/en
Priority to US09/420,760 priority patent/US6247247B1/en

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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>
FI971729A 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 FI102774B1 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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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