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NO146135B - PROCEDURE FOR CLEANING METANOL SEPARATED FROM CONDENSATIVES FROM SULPHATE CELLULOSE PROCESS - Google Patents

PROCEDURE FOR CLEANING METANOL SEPARATED FROM CONDENSATIVES FROM SULPHATE CELLULOSE PROCESS Download PDF

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Publication number
NO146135B
NO146135B NO771384A NO771384A NO146135B NO 146135 B NO146135 B NO 146135B NO 771384 A NO771384 A NO 771384A NO 771384 A NO771384 A NO 771384A NO 146135 B NO146135 B NO 146135B
Authority
NO
Norway
Prior art keywords
chamber
plastic
hose
procedure
condensatives
Prior art date
Application number
NO771384A
Other languages
Norwegian (no)
Other versions
NO771384L (en
NO146135C (en
Inventor
Elias Suokas
Allan Johansson
Veli-Antti Kivilinna
Heikki Juhani Nyman
Original Assignee
Kemi Oy
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 Kemi Oy filed Critical Kemi Oy
Publication of NO771384L publication Critical patent/NO771384L/en
Publication of NO146135B publication Critical patent/NO146135B/en
Publication of NO146135C publication Critical patent/NO146135C/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/74Separation; Purification; Use of additives, e.g. for stabilisation
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C31/00Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
    • C07C31/02Monohydroxylic acyclic alcohols
    • C07C31/04Methanol
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00Regeneration of pulp liquors or effluent waste waters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Paper (AREA)

Description

Fremgangsmåte til anbringelse av et plastbelegg på et legeme. Method for placing a plastic coating on a body.

.Foreliggende oppfinnelse angår en .The present invention relates to a

fremgangsmåte til anbringelse av et plastbelegg på et legeme. method for placing a plastic coating on a body.

Det er kjent en slik fremgangsmåte Such a method is known

hvor en plasthylse utvides ved tilførsel av where a plastic sleeve is expanded by the supply of

trykkluft inne i hylsen, i hvilken en list skal compressed air inside the sleeve, in which a strip should

tres inn. Det sier seg selv at det er proble-matisk å skyve listen inn mot trykket i threaded in. It goes without saying that it is problematic to push the list in against the print

hylsen og samtidig motvirke friksjonen i the sleeve and at the same time counteract the friction in

den tetning som er nødvendig mellom hylsen og listen. the seal required between the sleeve and the strip.

Hensikten med oppfinnelsen er å unn-gå denne ulempe og tilveiebringe en fremgangsmåte av ovenfor nevnte art, hvorved The purpose of the invention is to avoid this disadvantage and to provide a method of the above-mentioned type, whereby

plastbelegget kan anbringes på enkel og the plastic coating can be placed on simple and

sikker måte. safe way.

Dette oppnås ifølge oppfinnelsen ved at This is achieved according to the invention by

en plastslange med tilnærmet samme tverrsnittsdimensjoner som legmet gjøres myk a plastic hose with approximately the same cross-sectional dimensions as the body is softened

ved oppvarming og føres inn i et kammer by heating and is fed into a chamber

hvis lengde tilnærmet tilsvarer lengden av whose length approximately corresponds to the length of

legemet og hvis innvendige tverrsnittsdimensjoner er noe større enn plastslangens the body and whose internal cross-sectional dimensions are somewhat larger than those of the plastic hose

ytre tverrsnittsdimensjoner, idet kammerets mot slangen vendende vegg er forsynt outer cross-sectional dimensions, as the wall of the chamber facing the hose is provided

med en mengde små åpninger som står i with a multitude of small openings that stand in

forbindelse med en kilde som leverer undertrykk, slik at den myke plastslange suges connection with a source that delivers negative pressure, so that the soft plastic hose is sucked

inn til kammerets vegger, hvoretter legemet føres inn i den del av plastslangen into the walls of the chamber, after which the body is introduced into that part of the plastic hose

som befinner seg i kammeret, og undertrykket fjernes, hvoretter slangen eventuelt kappes av utenfor kammeret og det which is in the chamber, and the negative pressure is removed, after which the hose is possibly cut off outside the chamber and it

plastbelagte legeme fjernes fra kammeret. plastic coated body is removed from the chamber.

På denne måte vil den utvidede slanges In this way, it will be extended

indre stå til fri rådighet for plassering av interior stand freely available for placement of

legemet uten hinder av noe slag. the body without hindrance of any kind.

Ved at slangen ikke utvides mere enn In that the hose does not expand more than

strengt tatt nødvendig for å føre legemet inn, mister ikke plasten sin avstivende virkning på legemet. strictly necessary to bring the body in, the plastic does not lose its stiffening effect on the body.

Fremgangsmåten er særlig egnet for plastbelegning av skaft og håndtak, f. eks. av tre eller metallrør, og oppvarmingen av plastslangen skjer fortrinnsvis ved at denne føres gjennom et varmt vannbad. Kammeret omgis fortrinnsvis med en kappe som står i forbindelse med en kilde som leverer undertrykk, f. eks. en melkemaskin. The procedure is particularly suitable for plastic coating of shafts and handles, e.g. of wood or metal pipes, and the plastic hose is preferably heated by passing it through a hot water bath. The chamber is preferably surrounded by a jacket which is connected to a source which supplies negative pressure, e.g. a milk machine.

En anordning for utførelse av fremgangsmåten ifølge oppfinnelsen kan f. eks. bestå av et kammer som er dannet av et metallrør hvis mantelflate er perforert med små huller og som er omgitt av en kappe som står i forbindelse med kilden som leverer undertrykket. Etter at den myknede plastslange er anbragt inne i røret, brettes dens av rørets ene ende utragende ende over en fra kappen utragende ende av røret, og holdes i denne stilling ved hjelp av et ringformet legeme. Plastslangen som rager ut av rørets andre ende, klemmes flat mot kanten av rørenden ved hjelp av et elastisk ettergivende legeme, f. eks. plast, som trykkes mot rørenden og lukker denne. Undertrykket i kappen vil gjennom hullene i rørveggen suge slangen inn til rørveggen og dermed kan legemet som skal belegges med plastslangen føres inn i denne. Efter opphevelse av undertrykket i kammeret, vil plastslangen legge seg som et tettslut-tende belegg omkring legemet. A device for carrying out the method according to the invention can e.g. consist of a chamber which is formed by a metal tube whose outer surface is perforated with small holes and which is surrounded by a jacket which is connected to the source which supplies the negative pressure. After the softened plastic hose has been placed inside the pipe, its end protruding from one end of the pipe is folded over an end of the pipe protruding from the jacket, and held in this position by means of an annular body. The plastic hose that protrudes from the other end of the pipe is clamped flat against the edge of the pipe end by means of an elastic yielding body, e.g. plastic, which is pressed against the end of the pipe and closes it. The negative pressure in the jacket will suck the hose into the pipe wall through the holes in the pipe wall and thus the body to be coated with the plastic hose can be fed into it. After lifting the negative pressure in the chamber, the plastic hose will form a tight-fitting covering around the body.

Claims (1)

Fremgangsmåte til anbringelse av et plastbelegg på et legeme, karakter i-Procedure for placing a plastic coating on a body, grade i- sert ved at en plastslange med tilnærmet samme tverrsnittsdimensjoner som legemet gjøres myk ved oppvarming og føres inn i et kammer hvis lengde tilnærmet tilsvarer lengden av legemet og hvis innvendige tverrsnittsdimensjoner er noe større enn plastslangens ytre tverrsnittsdimensjoner, idet kammerets mot slangen vendende vegg er forsynt med en mengde små åpninger som står i forbindelse med en kilde som leverer undertrykk, slik at den myke plastslange suges inn til kammeretscharacterized by a plastic hose with approximately the same cross-sectional dimensions as the body being softened by heating and introduced into a chamber whose length approximately corresponds to the length of the body and whose internal cross-sectional dimensions are somewhat larger than the plastic hose's external cross-sectional dimensions, the wall of the chamber facing the hose being provided with a quantity of small openings that are connected to a source that supplies negative pressure, so that the soft plastic hose is sucked into the chamber's vegg, hvoretter legemet føres inn i den del av plastslangen som befinner seg i kammeret, og undertrykket fjernes, hvoretter ;slangen eventuelt kappes av utenfor kammeret og det plastbelagte legeme fjernes fra kammeret.wall, after which the body is introduced into the part of the plastic hose that is in the chamber, and the negative pressure is removed, after which the hose is possibly cut off outside the chamber and the plastic-coated body is removed from the chamber.
NO771384A 1976-04-22 1977-04-21 PROCEDURE FOR CLEANING METANOL SEPARATED FROM CONDENSATIVES FROM SULPHATE CELLULOSE PROCESS NO146135C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI761096A FI52710C (en) 1976-04-22 1976-04-22 Process for the purification of methanol separated from the condensates of the sulphate process.

Publications (3)

Publication Number Publication Date
NO771384L NO771384L (en) 1977-10-25
NO146135B true NO146135B (en) 1982-04-26
NO146135C NO146135C (en) 1982-08-04

Family

ID=8509936

Family Applications (1)

Application Number Title Priority Date Filing Date
NO771384A NO146135C (en) 1976-04-22 1977-04-21 PROCEDURE FOR CLEANING METANOL SEPARATED FROM CONDENSATIVES FROM SULPHATE CELLULOSE PROCESS

Country Status (6)

Country Link
JP (1) JPS52156804A (en)
BR (1) BR7702535A (en)
CA (1) CA1088957A (en)
FI (1) FI52710C (en)
NO (1) NO146135C (en)
SE (1) SE430411B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE463670B (en) * 1988-10-11 1991-01-07 Eka Nobel Ab PROCEDURE FOR PREPARATION OF CHLORIDE Dioxide
JPH0657603B2 (en) * 1990-04-05 1994-08-03 エカ ノーベル アクチェボラーグ Chlorine dioxide production method
FI20085400A0 (en) * 2007-11-09 2008-04-30 Upm Kymmene Oyj Method for integrated waste water treatment
AU2009339923B2 (en) * 2009-02-12 2014-04-24 A.H Lundberg Systems Limited Methanol purification method and apparatus
FI127304B (en) 2011-02-03 2018-03-15 Stora Enso Oyj A process for preparing purified methanol from a condensate of sulphate pulp cooking
FI126459B (en) * 2011-02-03 2016-12-15 Stora Enso Oyj Process for the preparation of dimethyl sulfone
WO2014201555A1 (en) * 2013-06-19 2014-12-24 Fpinnovations Method for producing bio-methanol at pulp mills
ES2732048T3 (en) * 2013-10-11 2019-11-20 Andritz Oy Procedure for removing sulfur from raw methanol
SE1850706A1 (en) 2018-06-11 2019-12-12 Valmet Oy A method and a system for obtaining methanol from foul condensate of a pulping process
SE542659C2 (en) * 2018-07-10 2020-06-23 Stora Enso Oyj Method for desulfurization of methanol
SE2130226A1 (en) 2019-03-18 2021-08-24 Noram Eng And Constructors Ltd Kraft pulping foul condensate treatment process and apparatus
FI130591B (en) * 2020-06-30 2023-11-28 Andritz Oy Cleanup procedure for crude methanol

Also Published As

Publication number Publication date
BR7702535A (en) 1978-03-21
NO771384L (en) 1977-10-25
JPS52156804A (en) 1977-12-27
FI52710C (en) 1977-11-10
CA1088957A (en) 1980-11-04
NO146135C (en) 1982-08-04
SE7704558L (en) 1977-10-23
FI52710B (en) 1977-08-01
SE430411B (en) 1983-11-14

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