Ev Group Oy

Pekka Koskinen

Timo Haverinen

Jari Ristola

Esa Virtanen

The invention relates to an apparatus for the on-line determination of paper web moisture content and/or temperature on the dryer section of a papermaking machine. The apparatus is designed to form, in combination with a doctor means and/or a packet ventilating tube, such a compact structure wherein the apparatus operates underneath such means or in a close proximity thereto. The invention also relates to a method for control of paper web moisture content and temperature on the basis of measurements performed on the dryer section of a papermaking machine.

Apparatus and method for determination and control of paper web qualities on a papermaking machine

An apparatus for separating droplets and/or solid particles from a gas. The apparatus includes a shell defining a space. An impeller in the space and a gas inlet duct through the shell are arranged for introducing gas with liquid and/or solid particles into the space. A driving device rotates the impeller. One or several openings are arranged around the shell. At least a major portion of the liquid and/or solid particles exit through the openings and may be carried into a collecting space which may be outside the shell.

Growing community of inventors

Kotka, Finland

Pekka Koskinen