STABILIZING METHOD OF PRESSURE AND FLOW CONDITION IN SCREENING APPARATUS
PURPOSE: To ensure uniform distribution of liquid in the backward-going movement in backflushing of a screen by altering the volume at the inlet and outlet end of a screening apparatus during the movement of the screening body. CONSTITUTION: To eliminate undesirable pressure gradient of the pulp bet...
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| creator | FUIN YAKOBUSEN |
| description | PURPOSE: To ensure uniform distribution of liquid in the backward-going movement in backflushing of a screen by altering the volume at the inlet and outlet end of a screening apparatus during the movement of the screening body. CONSTITUTION: To eliminate undesirable pressure gradient of the pulp between the inlet 32 and outlet 33 of an altering zone 31, the net area of an annular piston 38 vertically moving by a power cylinder 19 is set to satisfy that the stroke volume of the piston 38 = the volume of the pulp charged through the inlet end 6 in return motion + the volume of the pulp displaced by the screen body 14 in the return motion. The change of liquid from the liquid room 39 is transmit through the pass 41, corresponding displacement volume is pushed out to the outlet zone 34 of the pulp space 28, the pulp is free from flowing through the displacement zone 31 in the return stroke of the screen body 14. |
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CONSTITUTION: To eliminate undesirable pressure gradient of the pulp between the inlet 32 and outlet 33 of an altering zone 31, the net area of an annular piston 38 vertically moving by a power cylinder 19 is set to satisfy that the stroke volume of the piston 38 = the volume of the pulp charged through the inlet end 6 in return motion + the volume of the pulp displaced by the screen body 14 in the return motion. The change of liquid from the liquid room 39 is transmit through the pass 41, corresponding displacement volume is pushed out to the outlet zone 34 of the pulp space 28, the pulp is free from flowing through the displacement zone 31 in the return stroke of the screen body 14.</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=19900829&DB=EPODOC&CC=JP&NR=H02216291A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19900829&DB=EPODOC&CC=JP&NR=H02216291A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>FUIN YAKOBUSEN</creatorcontrib><title>STABILIZING METHOD OF PRESSURE AND FLOW CONDITION IN SCREENING APPARATUS</title><description>PURPOSE: To ensure uniform distribution of liquid in the backward-going movement in backflushing of a screen by altering the volume at the inlet and outlet end of a screening apparatus during the movement of the screening body. CONSTITUTION: To eliminate undesirable pressure gradient of the pulp between the inlet 32 and outlet 33 of an altering zone 31, the net area of an annular piston 38 vertically moving by a power cylinder 19 is set to satisfy that the stroke volume of the piston 38 = the volume of the pulp charged through the inlet end 6 in return motion + the volume of the pulp displaced by the screen body 14 in the return motion. 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CONSTITUTION: To eliminate undesirable pressure gradient of the pulp between the inlet 32 and outlet 33 of an altering zone 31, the net area of an annular piston 38 vertically moving by a power cylinder 19 is set to satisfy that the stroke volume of the piston 38 = the volume of the pulp charged through the inlet end 6 in return motion + the volume of the pulp displaced by the screen body 14 in the return motion. The change of liquid from the liquid room 39 is transmit through the pass 41, corresponding displacement volume is pushed out to the outlet zone 34 of the pulp space 28, the pulp is free from flowing through the displacement zone 31 in the return stroke of the screen body 14.</abstract><oa>free_for_read</oa></addata></record> |
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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 | STABILIZING METHOD OF PRESSURE AND FLOW CONDITION IN SCREENING APPARATUS |
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