DE92297C - - Google Patents

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Publication number
DE92297C
DE92297C DENDAT92297D DE92297DA DE92297C DE 92297 C DE92297 C DE 92297C DE NDAT92297 D DENDAT92297 D DE NDAT92297D DE 92297D A DE92297D A DE 92297DA DE 92297 C DE92297 C DE 92297C
Authority
DE
Germany
Prior art keywords
paper
felt
group
drying
felts
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.)
Active
Application number
DENDAT92297D
Other languages
German (de)
Publication of DE92297C publication Critical patent/DE92297C/de
Active legal-status Critical Current

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Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F5/00Dryer section of machines for making continuous webs of paper
    • D21F5/02Drying on cylinders

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  • Paper (AREA)

Description

KAISERLICHESIMPERIAL

PATENTAMT.PATENT OFFICE.

Für eine gute Trocknung ist ein grofser Weg des Papiers erforderlich, der bei schnellem Lauf der Maschine für ein langsames, ganz allmäliges Trocknen mit geringen Heiztemperaturen eine angemessene Zeit zuläfst und die gute Leimung, Griffigkeit und Festigkeit des Papiers schont.For a good drying a long travel of the paper is necessary, that for a fast one Run the machine for slow, very gradual drying with low heating temperatures Allow a reasonable amount of time and the good gluing, grip and strength of the Paper spares.

Aus diesem Grunde sind die gewöhnlichen Filztrockner in die Filze abc gelegt, . damit sich die Papierbahn χ auf den Filzen mit den Filzen auch um die Cylinder 3, 6, 9 ausdehnen kann und aufserdem trocknen läfst.'For this reason, the ordinary felt dryers are placed in the felts abc,. so that the paper web χ on the felts with the felts can also expand around the cylinders 3, 6, 9 and can also dry. '

Um eine doppelseitige Filztrocknung zu erzielen, streichen die Filze abcd an den Oberflächen der üblichen Papiertrockner 1,2, 4,-5, 7, 8, 10, 11 entgegen, wo das Papier von einem in den anderen übergeht.To achieve double-sided felt drying, brush the felts abcd on the surfaces of the usual paper dryers 1, 2, 4, -5, 7, 8, 10, 11, where the paper merges from one to the other.

Auf solche Weise entstehen Kanäle ef, in denen die Papierbahn unter allen Umständen nicht entweichen kann und überall selbstthätig den Cylindern zugeleitet wird, so dafs der Arbeiter das Papier nicht mehr mit der Hand durchführen mufs.In this way channels ef are created in which the paper web cannot escape under any circumstances and is automatically fed to the cylinders everywhere, so that the worker no longer has to pass the paper through by hand.

Die Einrichtung ist aufserordentlich vortheilhaft im Interesse der Unfallverhütung und ermöglicht, eine noch unerreichte Geschwindigkeit des Papierlaufes (sogar bei geringem Stoff) zu erzielen und namentlich den Ausschufs auf ein Minimum zu reduciren.The facility is extremely beneficial in the interests of accident prevention and enables an as yet unmatched speed of the paper flow (even with little stock) achieve and especially to reduce the committee to a minimum.

Hervorzuheben ist, dafs die Trockencylinder hoch und tief, über einander angeordnet sind, damit jede Papierseite gleich grofse Umfangsausdehnung erhält und durch oftmaliges Wenden und inniges Andrücken an die heifsen, hochfein polirten Oberflächen der Cylinder kommt.It should be emphasized that the drying cylinders are arranged high and low, one above the other, so that each side of the paper has the same extent and is often turned over and intimate pressure is applied to the hot, extremely finely polished surfaces of the cylinders.

Dadurch wird das noch feuchte Papier zweiseitig glatt und gleichmäfsig gemacht (also eine Feuchtpresse überflüssig), und man braucht dann erst, nach der Trocknung, durch ein mehrwalziges Satinirwerk die Glätte zu vollenden.This makes the still moist paper smooth and even on both sides (i.e. a dampening press is superfluous), and you only need to go through a after drying multi-roll Satinirwerk to complete the smoothness.

Die Mantelflächen der Cylinder 3, 6, 9 und die der Leitwalzen 12, 13, 14, 15, 16 sind an den Enden mit Bordringen g h versehen, welche die Trockenfilze gegen Verlaufen schützen und Ueberwachungen, event. Betriebsstörungen vermeiden.The outer surfaces of the cylinders 3, 6, 9 and those of the guide rollers 12, 13, 14, 15, 16 are provided at the ends with flange rings gh , which protect the drying felts from running and monitor, if necessary. Avoid malfunctions.

Claims (3)

Patent-Ansprüche:Patent Claims: ι . Zur Durchführung von endlosem Papier auf einem Trockner die Einrichtung, dafs an den das Papier aufnehmenden oder abgebenden Cylinder einer Gruppe der in entgegengesetzter Richtung laufende Filz der Nachbargruppe von einer Walze geprefst wird.ι. For the implementation of continuous paper on a dryer, the device, dafs to the cylinder of a group that receives or delivers the paper, the felt running in the opposite direction the neighboring group is pressed by a roller. 2. Die Ueberführung des Papiers von einer Cylindergruppe auf die andere in Kanälen (e und f), deren Seitenwände aus nach Anspruch 1 angeordneten Filzen bestehen.2. The transfer of the paper from one cylinder group to the other in channels (e and f), the side walls of which consist of felts arranged according to claim 1. 3. Die Anordnung von Filztrocknern (3, 6, 9) in solcher Weise, dafs sie auch zum Trocknen der Papierbahn dienen, indem diese auf dem Filz der Gruppe ruht und vom Filz einer Nachbargruppe überdeckt wird.3. The arrangement of felt dryers (3, 6, 9) in such a way that they are also used for Serve drying of the paper web by resting it on the felt of the group and covered by the felt of a neighboring group will. Hierzu 1 Blatt Zeichnungen.1 sheet of drawings.
DENDAT92297D Active DE92297C (en)

Publications (1)

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DE92297C true DE92297C (en)

Family

ID=363836

Family Applications (1)

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DE (1) DE92297C (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989001073A2 (en) * 1987-07-23 1989-02-09 Beloit Corporation A dryer section apparatus
EP0503681A1 (en) * 1987-02-13 1992-09-16 Beloit Corporation Apparatus for drying a web
US5539999A (en) * 1994-03-02 1996-07-30 Valmet Corporation Dryer section of a paper machine with selected diameter drying cylinders at selected distances apart
US5553393A (en) * 1994-03-25 1996-09-10 Valmet Corporation Dryer section of a paper machine including cylinder groups with single-wire draw

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0503681A1 (en) * 1987-02-13 1992-09-16 Beloit Corporation Apparatus for drying a web
WO1989001073A2 (en) * 1987-07-23 1989-02-09 Beloit Corporation A dryer section apparatus
WO1989001073A3 (en) * 1987-07-23 1989-02-23 Beloit Corp A dryer section apparatus
US5539999A (en) * 1994-03-02 1996-07-30 Valmet Corporation Dryer section of a paper machine with selected diameter drying cylinders at selected distances apart
US5553393A (en) * 1994-03-25 1996-09-10 Valmet Corporation Dryer section of a paper machine including cylinder groups with single-wire draw

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