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    71.
    发明专利
    未知

    公开(公告)号：FI20105664A0

    公开(公告)日：2010-06-11

    申请号：FI20105664

    申请日：2010-06-11

    Applicant: UPM KYMMENE OYJ ,  WETEND TECHNOLOGIES OY

    Inventor： IMPPOLA OLAVI ,  KUKKAMAEKI ESKO ,  MATULA JOUNI ,  SOLISMAA PAEIVI

    IPC: D21H20100101

    Abstract: A method and apparatus for in-line production of milk of lime into an in-line production process of PCC arranged in connection with a fibrous web machine. In the solution, lime is slaked in a slaking apparatus at a temperature of at least 80 degrees. The produced milk of lime is cleaned by separating excessively large calcium hydroxide particles immediately prior to introducing the milk of lime into the production process of PCC. The milk of lime is introduced into the in-line production process of PCC located in the production line of the end or intermediate product of the fibrous web machine.

    72.
    发明专利
    未知

    公开(公告)号：AT451178T

    公开(公告)日：2009-12-15

    申请号：AT05763635

    申请日：2005-07-08

    Applicant: WETEND TECHNOLOGIES OY

    Inventor： MATULA JOUNI

    IPC: B05B7/04 ,  B01F5/02 ,  B01F5/04 ,  D21F1/06 ,  D21F1/08 ,  D21H20060101 ,  D21H23/20

    Abstract: A method of feeding chemical to a liquid in an open space or flowing in an open space so that the chemical is fed to the liquid by means of a special mixing device or several special mixing devices by means of feed liquid introduced to the mixing device separately from the chemical by allowing the chemical and the feed liquid to discharge essentially simultaneously through the nozzle opening of the mixing device, the opening being located under the liquid level in the space, to the liquid in the space or flowing in the space.

    74.
    发明专利
    未知

    公开(公告)号：FI20085166A0

    公开(公告)日：2008-02-22

    申请号：FI20085166

    申请日：2008-02-22

    Applicant: UPM KYMMENE OYJ ,  WETEND TECHNOLOGIES OY

    Inventor： KUKKAMAEKI ESKO ,  MATULA JOUNI ,  SIPILAE MATTI

    IPC: D21C20060101

    Abstract: Methods are provided for crystallizing a filler, especially in order to precipitate calcium carbonate on the surfaces of solids in the short circulation of a fiber web machine by feeding carbon dioxide and lime milk to the liquid flow of the short circulation and allowing them to react with one another, is characterized in that the feed system, the mixing method and/or mixing rate of the chemicals are selected such that a size distribution of the calcium carbonate crystals suitable for the purpose is obtained. Moreover, the invention relates to an approach system for a fiber web machine applying this method, characterized in that it is provided with devices for feeding and mixing carbon dioxide and lime milk into the liquid flow at such a rate that the applicable size distribution of the calcium carbonate crystals is obtained.

    75.
    发明专利
    未知

    公开(公告)号：DE69934611T2

    公开(公告)日：2007-10-04

    申请号：DE69934611

    申请日：1999-02-24

    Applicant: WETEND TECHNOLOGIES OY

    Inventor： MATULA JOUNI

    IPC: B01F5/04 ,  B01F3/08 ,  B01F5/00 ,  B01F5/06 ,  B01F13/00 ,  D21H21/10 ,  D21H23/02 ,  D21H23/20

    Abstract: The present Invention relates to a method of and apparatus for feeding a chemical into a liquid flow. The method and apparatus according to the invention are most preferably utilized for feeding a retention aid into fiber suspension flow going to the headbox of a paper machine so that in a mixing apparatus (34) feeding liquid is added into said retention chemical solution, prior to introducing said solution into the fiber suspension flow (70) guided to the paper machine, which feeding liquid is preferably some circulation water from the paper mill or some other non-clean liquid.

    78.
    发明专利
    未知

    公开(公告)号：DE69915810D1

    公开(公告)日：2004-04-29

    申请号：DE69915810

    申请日：1999-02-24

    Applicant: WETEND TECHNOLOGIES OY SAVONLI

    Inventor： MATULA JOUNI

    IPC: B01F3/08 ,  B01F5/00 ,  B01F5/04 ,  B01F5/06 ,  B01F13/00 ,  D21H21/10 ,  D21H23/02 ,  D21H23/20

    Abstract: The present Invention relates to a method of and apparatus for feeding a chemical into a liquid flow. The method and apparatus according to the invention are most preferably utilized for feeding a retention aid into fiber suspension flow going to the headbox of a paper machine so that in a mixing apparatus (34) feeding liquid is added into said retention chemical solution, prior to introducing said solution into the fiber suspension flow (70) guided to the paper machine, which feeding liquid is preferably some circulation water from the paper mill or some other non-clean liquid.

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