公开(公告)号：US09649607B2

公开(公告)日：2017-05-16

申请号：US14769588

申请日：2014-02-21

Applicant: WETEND TECHNOLOGIES OY

Inventor： Jouni Matula ,  Jussi Matula

IPC: B01F15/02 ,  B01F5/04 ,  B01F15/04 ,  B01F3/08

CPC classification number: B01F15/0243 ,  B01F3/0865 ,  B01F5/04 ,  B01F5/0405 ,  B01F5/048 ,  B01F15/0416

Abstract: An arrangement for mixing a fluid to a process liquid by using at least one mixing station and a method of operating the arrangement to feed injection or mixing liquid to injection mixers arranged on a periphery of a flow pipe transferring a process liquid. The arrangement and the method are applicable for the injection of mixers and chemical mixing in processes for the wood processing industry.

公开(公告)号：US11352749B2

公开(公告)日：2022-06-07

申请号：US16914799

申请日：2020-06-29

Applicant: WETEND TECHNOLOGIES OY ,  VALMET TECHNOLOGIES OY

Inventor： Jouni Matula ,  Jari Mäkinen ,  Jussi Matula

IPC: D21F1/02 ,  B01F5/04 ,  D21B1/34 ,  D21H21/10

Abstract: A method of and an arrangement for adding a chemical to an approach flow system of a fiber web machine by mixing of a retention chemical to a fibrous stock flowing in an approach flow system of a fiber web machine by a mixer (200) between the attenuator (16) and the headbox (18).

公开(公告)号：US11578463B2

公开(公告)日：2023-02-14

申请号：US16628565

申请日：2018-07-02

Applicant: Stora Enso Oyj ,  Wetend Technologies Oy

Inventor： Esa Saukkonen ,  Isto Heiskanen ,  Kaj Backfolk ,  Jouni Matula ,  Jussi Matula

IPC: D21H23/14 ,  D21H11/18 ,  D21H23/20 ,  D21C9/00

Abstract: A method of dosing a nanocellulose suspension in gel phase into a second suspension, wherein the method comprises the steps of: providing said nanocellulose suspension in gel phase; providing said second suspension; bringing said nanocellulose suspension in gel phase in contact with said second suspension; wherein the method comprises a step of subjecting said nanocellulose suspension in gel phase to a shear rate of more than 500 l/s, simultaneously with and/or immediately prior to the step of bringing said nanocellulose suspension in gel phase and said second suspension in contact with each other.

公开(公告)号：US09708772B2

公开(公告)日：2017-07-18

申请号：US14786124

申请日：2014-04-25

Applicant: WETEND TECHNOLOGIES OY ,  STORA ENSO OYJ

Inventor： Isto Heiskanen ,  Olavi Imppola ,  Jouni Matula ,  Jussi Matula ,  Jari Rasanen ,  Karri Tahkola ,  Matti Vakevainen

IPC: D21H21/18 ,  D21H17/63 ,  D21H17/70 ,  D21H17/67 ,  D21H17/00 ,  D21H21/10 ,  D21H23/04 ,  C01F11/18 ,  D21H17/37

CPC classification number: D21H21/18 ,  C01F11/181 ,  C01F11/182 ,  C01P2004/03 ,  C01P2004/62 ,  D21H17/375 ,  D21H17/63 ,  D21H17/675 ,  D21H17/70 ,  D21H17/73 ,  D21H17/74 ,  D21H21/10 ,  D21H23/04

Abstract: The present invention relates to a method of producing precipitated calcium carbonate (PCC) where a retention/strength enhancing chemical is added to milk of lime to form a mixture thereof prior to adding the mixture of the retention/strength enhancing chemical and milk of lime to paper making stock in a pipeline leading to a headbox of a paper making machine, whereafter carbon dioxide is introduced to the paper making stock, and the carbonation reaction between milk of lime and carbon dioxide is allowed to proceed in the presence of both fibers and the retention/strength enhancing chemical.

公开(公告)号：US20150049575A1

公开(公告)日：2015-02-19

申请号：US14388631

申请日：2013-03-25

Applicant: WETEND TECHNOLOGIES OY

Inventor： Jouni Matula ,  Jussi Matula ,  Jari Makinen

IPC: B01F3/08 ,  B01F15/02 ,  B01F5/04

CPC classification number: B01F3/0865 ,  B01F3/0803 ,  B01F5/04 ,  B01F5/0405 ,  B01F5/0458 ,  B01F5/0463 ,  B01F5/0471 ,  B01F5/048 ,  B01F15/0254 ,  B01F2015/0221 ,  B01F2215/0036 ,  D21H23/20

Abstract: A method including: introducing a first chemical to a first passage of a mixing apparatus attached to the process liquid flow pipe; introducing an injection liquid into a second passage of the mixing apparatus; introducing to a third passage of the mixing apparatus a second chemical having an electrical charge opposite to the electric charge of the first chemical; injecting the first chemical into the injection liquid by passing the first chemical through a passage between the first passage and the second passage; introducing the mixture of the first chemical and the injection liquid to a process liquid flowing through the process liquid flow pipe, and introducing the second chemical from the third passage to the process liquid in the process liquid flow pipe, wherein the second chemical passes from the third passage to the process liquid a distance from the injection of the first chemical into the injection liquid.

Abstract translation: 一种方法，包括：将第一化学品引入连接到处理液体流管的混合装置的第一通道中; 将注入液体引入混合装置的第二通道中; 向所述混合装置的第三通道引入具有与所述第一化学品的电荷相反的电荷的第二化学品; 通过使第一化学品通过第一通道和第二通道之间的通道将第一化学品注入注射液体; 将第一化学品和注射液体的混合物引入流过工艺液体流管的工艺液体，并将第二化学品从第三通道引入处理液体流管中的处理液体，其中第二化学品从 第三次通过处理液体与第一化学品注入注射液体的距离。