BACK WASHING SCREEN FOR A PRESSURE DIFFUSER AND METHOD FOR BACK WASHING OF THE DIFFUSER
PURPOSE: To prevent the generation of pressure shock at the inlet range of a pulp and compression of pulp by moving a piston in a chamber immediately before the backflushing of a screen to discharge liquid from the chamber. CONSTITUTION: A piston 44 in a chamber 42 is moved by a piston moving means...
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| creator | FUIN YAKOBUSEN OORE JIEI RIHITAA |
| description | PURPOSE: To prevent the generation of pressure shock at the inlet range of a pulp and compression of pulp by moving a piston in a chamber immediately before the backflushing of a screen to discharge liquid from the chamber. CONSTITUTION: A piston 44 in a chamber 42 is moved by a piston moving means 50 to discharge liquid from the chamber 42 immediately before the backflushing of the screen 24 by the quick motion of the screen in a direction opposite to the flowing direction of pulp. The liquid performs limited compression of liquid in the screen and forms an empty volume at the reverse side of the piston. The pressure shock in the pulp inlet range and the generation of pulp compression can be prevented in the backflushing of screen by the volume available by the pulp near the pulp inlet 16. |
| format | Patent |
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CONSTITUTION: A piston 44 in a chamber 42 is moved by a piston moving means 50 to discharge liquid from the chamber 42 immediately before the backflushing of the screen 24 by the quick motion of the screen in a direction opposite to the flowing direction of pulp. The liquid performs limited compression of liquid in the screen and forms an empty volume at the reverse side of the piston. The pressure shock in the pulp inlet range and the generation of pulp compression can be prevented in the backflushing of screen by the volume available by the pulp near the pulp inlet 16.</description><language>eng</language><subject>APPARATUS THEREFOR ; METHODS OF PRODUCING PAPER THEREON ; PAPER-MAKING ; PAPER-MAKING MACHINES ; PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; PRODUCTION OF CELLULOSE ; PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS ; REGENERATION OF PULPING LIQUORS ; SEPARATION ; TEXTILES ; TRANSPORTING ; TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKINGMACHINE</subject><creationdate>1990</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19900307&DB=EPODOC&CC=JP&NR=H0268379A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19900307&DB=EPODOC&CC=JP&NR=H0268379A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>FUIN YAKOBUSEN</creatorcontrib><creatorcontrib>OORE JIEI RIHITAA</creatorcontrib><title>BACK WASHING SCREEN FOR A PRESSURE DIFFUSER AND METHOD FOR BACK WASHING OF THE DIFFUSER</title><description>PURPOSE: To prevent the generation of pressure shock at the inlet range of a pulp and compression of pulp by moving a piston in a chamber immediately before the backflushing of a screen to discharge liquid from the chamber. CONSTITUTION: A piston 44 in a chamber 42 is moved by a piston moving means 50 to discharge liquid from the chamber 42 immediately before the backflushing of the screen 24 by the quick motion of the screen in a direction opposite to the flowing direction of pulp. The liquid performs limited compression of liquid in the screen and forms an empty volume at the reverse side of the piston. 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CONSTITUTION: A piston 44 in a chamber 42 is moved by a piston moving means 50 to discharge liquid from the chamber 42 immediately before the backflushing of the screen 24 by the quick motion of the screen in a direction opposite to the flowing direction of pulp. The liquid performs limited compression of liquid in the screen and forms an empty volume at the reverse side of the piston. The pressure shock in the pulp inlet range and the generation of pulp compression can be prevented in the backflushing of screen by the volume available by the pulp near the pulp inlet 16.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | APPARATUS THEREFOR METHODS OF PRODUCING PAPER THEREON PAPER-MAKING PAPER-MAKING MACHINES PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRODUCTION OF CELLULOSE PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS REGENERATION OF PULPING LIQUORS SEPARATION TEXTILES TRANSPORTING TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKINGMACHINE |
| title | BACK WASHING SCREEN FOR A PRESSURE DIFFUSER AND METHOD FOR BACK WASHING OF THE DIFFUSER |
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