WO2018091173A1 - Ensemble hydrocyclone - Google Patents

Ensemble hydrocyclone Download PDF

Info

Publication number
WO2018091173A1
WO2018091173A1 PCT/EP2017/073884 EP2017073884W WO2018091173A1 WO 2018091173 A1 WO2018091173 A1 WO 2018091173A1 EP 2017073884 W EP2017073884 W EP 2017073884W WO 2018091173 A1 WO2018091173 A1 WO 2018091173A1
Authority
WO
WIPO (PCT)
Prior art keywords
hydrocyclone
inlet
chamber
hydrozyklonanordnung
common
Prior art date
Application number
PCT/EP2017/073884
Other languages
German (de)
English (en)
Inventor
Wolfgang Mannes
Winand GÜNTER
Volker BROMBEIS
Original Assignee
Voith Patent Gmbh
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 Voith Patent Gmbh filed Critical Voith Patent Gmbh
Priority to CN201780071508.2A priority Critical patent/CN109963656B/zh
Priority to EP17771442.5A priority patent/EP3541527A1/fr
Publication of WO2018091173A1 publication Critical patent/WO2018091173A1/fr

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
    • D21D5/18—Purification of the pulp suspension by mechanical means; Apparatus therefor with the aid of centrifugal force
    • D21D5/24—Purification of the pulp suspension by mechanical means; Apparatus therefor with the aid of centrifugal force in cyclones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00—Apparatus in which the axial direction of the vortex is reversed
    • B04C5/02—Construction of inlets by which the vortex flow is generated, e.g. tangential admission, the fluid flow being forced to follow a downward path by spirally wound bulkheads, or with slightly downwardly-directed tangential admission
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00—Apparatus in which the axial direction of the vortex is reversed
    • B04C5/12—Construction of the overflow ducting, e.g. diffusing or spiral exits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00—Apparatus in which the axial direction of the vortex is reversed
    • B04C5/14—Construction of the underflow ducting; Apex constructions; Discharge arrangements ; discharge through sidewall provided with a few slits or perforations
    • B04C5/18—Construction of the underflow ducting; Apex constructions; Discharge arrangements ; discharge through sidewall provided with a few slits or perforations with auxiliary fluid assisting discharge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00—Apparatus in which the axial direction of the vortex is reversed
    • B04C5/24—Multiple arrangement thereof
    • B04C5/28—Multiple arrangement thereof for parallel flow

Definitions

  • the invention relates to a hydrocyclone arrangement for the purification of a pulp suspension with a plurality of hydrocyclone chambers of circular cross-section, in each of which an inlet and a light part outlet and at the opposite end of a heavy separator discharges at one end, wherein the inlet via a common inlet chamber with a common Connected inlet.
  • Hydrocyclones are well suited to concentrate by centrifugal forces heavy parts and light parts in pulp suspensions and to discharge via the outlet or the separator.
  • the material of the chamber is subject to high wear, which is why this is usually made of ceramic, a dimensionally stable plastic or metal. This is all the more because of the high pressure of up to 4 or even 6 bar at the inlet of the chamber in the purification of a pulp suspension.
  • the object of the invention is therefore to simplify the construction in such Hydrozyklonan nieen. According to the invention this object is achieved in that the light part outlets are connected via separate and leading through the common inlet chamber outlet lines with a common light-part drain.
  • the common inlet chamber communicates with advantage via separate inlet channels with the shrinkage of the hydrocyclone chambers.
  • the separate outlet lines allow a better distribution of the supplied pulp suspension to the inlets or their inlet channels and in this way also a very compact design.
  • the most homogeneous possible distribution of the pulp suspension can be supported by the fact that the common inlet opens at least one component tangentially into the inlet chamber with preferably circular cross-section. In this way, an annular flow is formed in the inlet chamber, which sweeps over all inlet channels.
  • guide elements can still be accommodated in the inlet chamber, which guide the pulp suspension to the inlet channels.
  • the outlet lines themselves can also be used directly via a corresponding arrangement or shaping or indirectly via an attachment of guide elements for the deflection of the pulp suspension to the inlet channels.
  • outlet lines should be connected via a common drain chamber with the common light part drain.
  • the hydrocyclone assembly comprises three to eight, preferably four hydrocyclone chambers and / or these are arranged as compact as possible side by side. Because of the generally overhead inlet and the common inlet chamber should be located above the hydrocyclone chambers.
  • the inlet channels should extend over a first section at least predominantly vertically and / or after a first section at least predominantly horizontally.
  • the pulp suspension is generally placed on a circular path by tangential blowing through the inlet in the hydrocyclone chamber, the pulp suspension being forced against the wall of the hydrocyclone chamber due to centrifugal force.
  • the fibrous suspension moves in a spiral from the inlet towards the gravity separator.
  • the hydrocyclone chamber should be at least partially conical, with the diameter of the hydrocyclone chamber is reduced to the separator.
  • the reduction of the diameter leads to an increase in the rotational speed and thus to an increase in the centrifugal and centrifugal forces.
  • the heavy parts are pressed against the wall of the hydrocyclone chamber and concentrated there. At the end of the hydrocyclone chamber, the heavy parts can then be removed via the separator.
  • At least one feed line for dilution liquid opens into the hydrocyclone chamber.
  • the hydrocyclone assembly is used to clean the pulp suspension of heavy parts and thereby the purified pulp suspension is discharged through the light part outlet.
  • the hydrocyclone arrangement is advantageously suitable for the purification of pulp suspensions, which serve to produce a paper, board, tissue or another fibrous web and preferably a consistency between 0.5 and 4%, in particular between 1, 5 and Have 3%. This applies in particular when dilution liquid is supplied via a supply line.
  • Figures 1 and 2 show different cross-sectional views of the hydrocyclone assembly and Figure 3 is a schematic longitudinal section through a hydrocyclone chamber.
  • the hydrocyclone arrangement consists according to Figures 1 and 2 of four compact juxtaposed hydrocyclones for cleaning a pulp suspension with a consistency between 1, 5 and 3% of heavy parts.
  • the stationary housing of the hydrocyclones encloses in each case an elongate hydrocyclone chamber 1 with a circular cross-section, wherein the center axes 14 of the hydrocyclone chambers 1 of the hydrocyclone arrangement run parallel to each other.
  • an inlet 2 via which the pulp suspension to be cleaned is injected tangentially into a cylindrical inlet section of the hydrocyclone chamber 1.
  • the pulp suspension is brought to a circular path, wherein the pulp suspension is pressed against the wall of the hydrocyclone chamber 1. Due to the centrifugal and centrifugal forces acting in the process, the heavy parts accumulate on the wall of the hydrocyclone chamber 1 and the light parts in the middle of the hydrocyclone chamber 1.
  • the heavy parts on the wall of the hydrocyclone chamber 1 spiral to the opposite end of the hydrocyclone chamber 1 with the heavy-part separator 12 through which the heavy parts are removed from the hydrocyclone.
  • dilution liquid is conducted into the hydrocyclone chamber 1 in the region of the heavy-part separator 12 via a feed line 13.
  • the existing in the middle of the hydrocyclone chamber 1, purified from the heavy parts pulp suspension is pumped out here as a lightweight component via the light part outlet 3.
  • a conical hydrocyclone section adjoins the cylindrical inlet section, in which the diameter of the hydrocyclone chamber 1 continuously decreases toward the heavy-particle separator 12.
  • the light part outlet 3 extends into the cylindrical inlet section.
  • the pulp suspension purified therefrom becomes a heavy-component component over the pulp suspension Heavy part-cutter 12 transported from the hydrocyclone, while the light parts are discharged through the light-part outlet 3.
  • the pulp suspension is injected at a pressure of up to 4 or even 6 bar, which leads to a high load. Therefore, the Hydrozyzklonan Aunt is formed by a mixed construction of metal and plastic.
  • FIGS. 1 and 2 there is a common feed chamber 4 above the four hydrocyclone chambers 1 of the hydrocyclone arrangement, into which a common feed 5 for the pulp suspension to be purified opens tangentially.
  • This inlet chamber 4 is connected via a separate inlet channel 9 with the corresponding inlet 2 of the hydrocyclones.
  • the inlet channels 9 extend following the inlet chamber 4 via a first portion 10 vertically and in the subsequent section 1 1 horizontally.
  • a common drainage chamber 7, which is connected via separate outlet lines 6 to the corresponding light-part outlets 3 of the hydrocyclone chambers 1, is located above the common inlet chamber 4.
  • the outlet lines 6 are individually guided through the inlet chamber 4 and there provide as a guide element for a better distribution of the pulp suspension.
  • the purified pulp suspension can be guided out of the hydrocyclone arrangement via a common, eccentrically arranged discharge chamber and directed upwards.
  • the eccentric arrangement is particularly advantageous if the Hydrozyklonan extract replace a single hydrocyclone and its connections should be used.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Cyclones (AREA)
  • Paper (AREA)

Abstract

L'invention concerne un ensemble hydroxyclone pour le nettoyage d'une suspension fibreuse, comprenant plusieurs chambres (1) d'hydrocyclone de section transversale circulaire, dans lesquelles débouchent respectivement à une extrémité une entrée ainsi qu'une sortie pour fraction légère et à l'extrémité opposée un séparateur de fraction lourde, les entrées étant reliées à une arrivée (5) commune par une chambre d'alimentation (4) commune. L'invention vise à simplifier la conception. À cet effet, les sorties de fraction légère sont reliées à une évacuation (8) commune par des conduites de sortie (6) séparées et menant à travers la chambre d'alimentation (4) commune.
PCT/EP2017/073884 2016-11-18 2017-09-21 Ensemble hydrocyclone WO2018091173A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201780071508.2A CN109963656B (zh) 2016-11-18 2017-09-21 水力旋流器装置
EP17771442.5A EP3541527A1 (fr) 2016-11-18 2017-09-21 Ensemble hydrocyclone

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016122225.9 2016-11-18
DE102016122225.9A DE102016122225B4 (de) 2016-11-18 2016-11-18 Hydrozyklonanordnung

Publications (1)

Publication Number Publication Date
WO2018091173A1 true WO2018091173A1 (fr) 2018-05-24

Family

ID=59923452

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/073884 WO2018091173A1 (fr) 2016-11-18 2017-09-21 Ensemble hydrocyclone

Country Status (4)

Country Link
EP (1) EP3541527A1 (fr)
CN (1) CN109963656B (fr)
DE (1) DE102016122225B4 (fr)
WO (1) WO2018091173A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112714675A (zh) * 2018-09-18 2021-04-27 福伊特专利有限公司 带有重组分分离器的清洁装置的控制方法
DE102021117902A1 (de) 2021-07-12 2023-01-12 Voith Patent Gmbh Hydrozyklone-Anordnung zum Zentrifugalabscheiden von Feststoffen aus einer Suspension
DE102021117901A1 (de) 2021-07-12 2023-01-12 Voith Patent Gmbh Hydrozyklone-Anordnung zum Zentrifugalabscheiden von Feststoffen aus einer Suspension

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020146581A1 (fr) * 2019-01-10 2020-07-16 Bengt Eriksson Chambre de rejet d'hydrocyclone
DE102022110164A1 (de) 2021-08-26 2023-03-02 Voith Patent Gmbh Hydrozyklonanordnung

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1476005A (fr) * 1965-11-01 1967-04-07 épurateur à cyclone
GB2015385A (en) * 1978-03-07 1979-09-12 Uop Inc Improvements in and Relating to Dry Gas Scrubbers
US4233160A (en) * 1979-04-17 1980-11-11 Elast-O-Cor Products & Engineering Limited Hydrocyclone separator arrangement
EP1069234A1 (fr) 1999-07-06 2001-01-17 Voith Sulzer Papiertechnik Patent GmbH Procédé et dispositif pour enlever des impuretés d'un hydrocyclone
DE102004028675A1 (de) * 2003-09-09 2005-04-07 Samsung Gwangju Electronics Co. Ltd. Wirbelungs-Abscheidungsvorrichtung und mit einer solchen Abscheidungsvorrichtung ausgestatteter Staubsauger
US20050077234A1 (en) * 2003-10-10 2005-04-14 Hideto Yoshida Cyclone separator
JP4119298B2 (ja) * 2003-04-24 2008-07-16 株式会社栗本鐵工所 サイクロン式分離機
WO2008155649A1 (fr) * 2007-06-20 2008-12-24 Waterco Limited Filtre à sédiments multi-cyclones

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3543931A (en) * 1968-02-29 1970-12-01 Nichols Eng & Res Corp Multiple cyclone assembly
DE20114704U1 (de) * 2001-09-06 2003-01-16 Voith Paper Patent Gmbh Hydrozyklonanlage zur Reinigung und Entgasung einer Faserstoffsuspension
DE10255313B4 (de) * 2002-11-27 2004-09-23 Voith Paper Patent Gmbh Anlage zur Reinigung und Entgasung einer Faserstoffsuspension
DE102008057339A1 (de) * 2008-11-14 2010-05-20 Voith Patent Gmbh Hydrozyklon
CN203944481U (zh) * 2014-05-12 2014-11-19 江南大学 一种多管微旋流器组合装置
CN104492616A (zh) * 2014-11-27 2015-04-08 天津亿利科能源科技发展股份有限公司 一种可调节流速的多级并联式水力旋流器
CN204396203U (zh) * 2015-01-06 2015-06-17 中国矿业大学 选矿用旋流高效分泥斗

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1476005A (fr) * 1965-11-01 1967-04-07 épurateur à cyclone
GB2015385A (en) * 1978-03-07 1979-09-12 Uop Inc Improvements in and Relating to Dry Gas Scrubbers
US4233160A (en) * 1979-04-17 1980-11-11 Elast-O-Cor Products & Engineering Limited Hydrocyclone separator arrangement
EP1069234A1 (fr) 1999-07-06 2001-01-17 Voith Sulzer Papiertechnik Patent GmbH Procédé et dispositif pour enlever des impuretés d'un hydrocyclone
JP4119298B2 (ja) * 2003-04-24 2008-07-16 株式会社栗本鐵工所 サイクロン式分離機
DE102004028675A1 (de) * 2003-09-09 2005-04-07 Samsung Gwangju Electronics Co. Ltd. Wirbelungs-Abscheidungsvorrichtung und mit einer solchen Abscheidungsvorrichtung ausgestatteter Staubsauger
US20050077234A1 (en) * 2003-10-10 2005-04-14 Hideto Yoshida Cyclone separator
WO2008155649A1 (fr) * 2007-06-20 2008-12-24 Waterco Limited Filtre à sédiments multi-cyclones

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112714675A (zh) * 2018-09-18 2021-04-27 福伊特专利有限公司 带有重组分分离器的清洁装置的控制方法
DE102021117902A1 (de) 2021-07-12 2023-01-12 Voith Patent Gmbh Hydrozyklone-Anordnung zum Zentrifugalabscheiden von Feststoffen aus einer Suspension
DE102021117901A1 (de) 2021-07-12 2023-01-12 Voith Patent Gmbh Hydrozyklone-Anordnung zum Zentrifugalabscheiden von Feststoffen aus einer Suspension
WO2023285055A1 (fr) 2021-07-12 2023-01-19 Voith Patent Gmbh Ensemble hydrocyclone pour séparation centrifuge de solides d'une suspension
WO2023285217A1 (fr) 2021-07-12 2023-01-19 Voith Patent Gmbh Ensemble hydrocyclone pour la séparation centrifuge de solides d'une suspension

Also Published As

Publication number Publication date
CN109963656B (zh) 2022-06-03
CN109963656A (zh) 2019-07-02
EP3541527A1 (fr) 2019-09-25
DE102016122225A1 (de) 2018-05-24
DE102016122225B4 (de) 2018-11-08

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