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1. (WO2019066710) APPARATUS FOR WASHING AND/OR DEWATERING OF CELLULOSE PULP
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Pub. No.: WO/2019/066710 International Application No.: PCT/SE2018/050989
Publication Date: 04.04.2019 International Filing Date: 27.09.2018
Chapter 2 Demand Filed: 28.03.2019
IPC:
D21C 9/18 (2006.01) ,B01D 33/067 (2006.01) ,D21C 9/06 (2006.01) ,D21D 1/40 (2006.01)
D TEXTILES; PAPER
21
PAPER-MAKING; PRODUCTION OF CELLULOSE
C
PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE- CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
9
After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters
18
De-watering
B PERFORMING OPERATIONS; TRANSPORTING
01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
D
SEPARATION
33
Filters with filtering elements which move during the filtering operation
06
with rotary cylindrical filtering surfaces, e.g. hollow drums
067
Construction of the filtering drums, e.g. mounting or sealing arrangements
D TEXTILES; PAPER
21
PAPER-MAKING; PRODUCTION OF CELLULOSE
C
PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE- CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
9
After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters
02
Washing
06
in filters
D TEXTILES; PAPER
21
PAPER-MAKING; PRODUCTION OF CELLULOSE
D
TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
1
Methods of beating or refining; Beaters of the Hollander type
20
Methods of refining
40
Washing the fibres
Applicants:
VALMET AB [SE/SE]; 851 94 Sundsvall, SE
Inventors:
ORGÅRD, Jonas; SE
Agent:
GROTH & CO. KB; P.O. Box 6107 102 32 Stockholm, SE
Priority Data:
1751200-528.09.2017SE
Title (EN) APPARATUS FOR WASHING AND/OR DEWATERING OF CELLULOSE PULP
(FR) APPAREIL DE LAVAGE ET/OU D'ESSORAGE DE PÂTE À PAPIER
Abstract:
(EN) An apparatus for washing and/or dewatering of cellulose pulp, which apparatus comprises at least one rotatable press roll having a permeable outer surface, at least one corresponding chamber wall at least partly enclosing the roll to define a pulp treatment chamber between the roll and the wall, at least one pulp distribution device extending along the length of the press roll and a discharge device arranged adjacent the at least one pulp distribution device. The pulp distribution device comprises an inlet and an outlet, and is arranged to distribute pulp through its outlet onto the permeable outer surface. The discharge device extends along the length of the at least one press roll, and is arranged to remove pulp from the corresponding pulp treatment chamber. The apparatus furthermore comprises a sealing device being common for the discharge device and one of the at least one pulp distribution device, the sealing device comprising at least one sealing element bearing against the outer surface in order to seal against the press roll and to seal between the pulp distribution device and the discharge device.
(FR) L'invention concerne un appareil de lavage et/ou d'essorage de pâte à papier, lequel appareil comprend au moins un rouleau de presse rotatif ayant une surface externe perméable, au moins une paroi de chambre correspondante renfermant au moins partiellement le rouleau de manière à délimiter une chambre de traitement de pâte entre le rouleau et la paroi, au moins un dispositif de distribution de pâte s'étendant le long du rouleau de presse et un dispositif d'évacuation disposé à proximité dudit dispositif de distribution de pâte. Le dispositif de distribution de pâte comprend une entrée et une sortie, et est conçu pour distribuer la pâte par sa sortie sur la surface externe perméable. Le dispositif d'évacuation s'étend le long dudit rouleau de presse, et est conçu pour extraire la pâte de la chambre de traitement de pâte correspondante. L'appareil comprend en outre un dispositif d'étanchéité commun au dispositif d'évacuation et audit dispositif de distribution de pâte, le dispositif d'étanchéité comprenant au moins un élément d'étanchéité prenant appui contre la surface externe afin de former un joint étanche contre le rouleau de presse et de créer une étanchéité entre le dispositif de distribution de pâte et le dispositif d'évacuation.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)