Refiner beating method

A method of beating a refiner, the refiner including

• a main body,
• a rotation shaft provided inside the main body,
• a rotor attached to the rotation shaft and having a mountain shape in which a center is high, the rotor having first and second opening portions, both ends of which are open, and a space therein,
• a stator provided in the main body to oppose the rotor,
• a rotor beating portion provided on a surface of the rotor except for a center of the rotor in a longitudinal direction, the rotor beating portion having a groove between a bar and a bar, and a plurality of through-holes penetrating therethrough,
• a stator beating portion provided on a surface of the stator, the stator beating portion opposing the rotor beating portion, and having a groove between a bar and a bar, and a plurality of through-holes penetrating therethrough,
• a first raw material supply portion provided in the main body to supply a raw material from a side of the first opening portion,
• a second raw material supply portion provided in the main body to supply a raw material from a side of the second opening portion, and
• a raw material discharge portion for discharging a beaten raw material to an outside of the main body,
• wherein the rotor beating portion includes a first rotor beating portion provided on a surface thereof and a second rotor beating portion provided on a surface, the first rotor beating portion having a first groove between the first bar and a first bar and a plurality of first through-holes penetrating therethrough, the second rotor beating portion having a second groove between a second bar and a second bar and a plurality of second through-holes penetrating therethrough,
• the stator beating portion includes a first stator beating portion provided on a surface thereof and a second stator beating portion provided on the surface, the first stator beating portion having a first′ groove between a first′ bar and a first′ bar and a plurality of first′ through-holes penetrating therethrough, the second stator beating portion having a second′ groove between a second′ bar and a second′ bar and a plurality of second′ through-holes penetrating therethrough,
• the first bar of the first rotor beating portion is inclined such that a raw material is guided from a small diameter side of a first rotor to a large diameter side of the first rotor, and the second bar of the second rotor beating portion is inclined such that a raw material is guided from a small diameter side of a second rotor to a large diameter side of the second rotor,
• a central opening portion is formed at a central portion of the stator beating portion,
• wherein the raw material from the first raw material supply portion approaches end portions of the first stator beating portion and the first rotor beating portion on a side close to the first raw material supply portion, and the first opening portion,
• the raw material from the second raw material supply portion approaches end portions of the second stator beating portion and the second rotor beating portion on a side close to the second raw material supply portion, and the second opening portion,
• end portions of the first stator beating portion and the first rotor beating portion on a side far from the first raw material supply portion face the central opening portion,
• end portions of the second stator beating portion and the second rotor beating portion on a side far from the second raw material supply portion face the central opening portion, and
• the plurality of first′ through-holes of the first stator beating portion, the plurality of second′ through-holes of the second stator beating portion, and the central opening portion communicate with the raw material discharge portion,
• wherein a portion of a raw material guided to the first opening portion of the rotor and the space of the rotor is beaten by passing through the plurality of first through-holes of the first rotor beating portion and the plurality of first′ through-holes of the first stator beating portion, and is discharged to an outside of the first stator beating portion from the plurality of first′ through-holes of the first stator beating portion,
• a portion of a raw material guided to the second opening portion of the rotor and the space of the rotor is beaten by passing through the plurality of second through-holes of the second rotor beating portion and the plurality of second′ through-holes of the second stator beating portion, and is discharged to an outside of the second stator beating portion from the plurality of second′ through-holes of the second stator beating portion,
• a portion of a raw material guided to the first opening portion of the rotor and the space of the rotor passes through the plurality of first through-holes of the first rotor beating portion on a side close to the large diameter side of the first rotor, is beaten by passing through a gap between the first stator beating portion and the first rotor beating portion, and is discharged to an outside of the first stator beating portion and the first rotor beating portion through the central opening portion from end portions of the first stator beating portion and the first rotor beating portion on a side far from the first raw material supply portion,
• a portion of a raw material guided to the second opening portion of the rotor and the space of the rotor passes through the plurality of second through-holes of the second rotor beating portion on a side close to the large diameter side of the second rotor, is beaten by passing through a gap between the second stator beating portion and the second rotor beating portion, and is discharged to an outside of the second stator beating portion and the second rotor beating portion through the central opening portion from end portions of the second stator beating portion and the second rotor beating portion on a side far from the second raw material supply portion,
• a raw material guided to between the first stator beating portion and the first rotor beating portion on the small diameter side corresponding to the end portions on the side close to the first raw material supply portion is beaten by passing through the first stator beating portion and the first rotor beating portion, and is discharged to an outside of the first stator beating portion through the plurality of first′ through-holes of the first stator beating portion, and
• a raw material guided to between the second stator beating portion and the second rotor beating portion on the small diameter side corresponding to the end portions on the side close to the second raw material supply portion is beaten by passing through the second stator beating portion and the second rotor beating portion, and is discharged to an outside of the second stator beating portion from the plurality of second′ through-holes of the second stator beating portion.

A method of beating a refiner, the refiner including

• a main body,
• a rotation shaft provided inside the main body,
• a rotor attached to the rotation shaft and having a mountain shape in which a center is high, the rotor having first and second opening portions, both ends of which are open, and a space therein,
• a stator provided in the main body to oppose the rotor,
• a rotor beating portion provided on a surface of the rotor except for a center of the rotor in a longitudinal direction, the rotor beating portion having a groove between a bar and a bar, and a plurality of through-holes penetrating therethrough,
• a stator beating portion provided on a surface of the stator, the stator beating portion opposing the rotor beating portion, and having a groove between a bar and a bar, and a plurality of through-holes penetrating therethrough,
• a raw material supply portion for supplying a raw material, the raw material supply portion being provided in the main body and being closer to the first opening portion than to the second opening portion, and
• a raw material discharge portion for discharging a beaten raw material to an outside of the main body,
• wherein the rotor beating portion includes a first rotor beating portion provided on a surface thereof and a second rotor beating portion provided on the surface, the first rotor beating portion having a first groove between a first bar and a first bar, and a plurality of first through-holes penetrating therethrough, the second rotor beating portion having a second groove between a second bar and a second bar, and a plurality of second through-holes penetrating therethrough,
• the stator beating portion includes a first stator beating portion provided on a surface thereof and a second stator beating portion provided on the surface, the first stator beating portion having a first′ groove between a first′ bar and a first′ bar, and a plurality of first′ through-holes penetrating therethrough, the second stator beating portion having a second′ groove between a second′ bar and a second′ bar and a plurality of second′ through-holes penetrating therethrough,
• the first bar of the first rotor beating portion is inclined such that a raw material is guided from a small diameter side of a first rotor to a large diameter side of the first rotor, and the second bar of the second rotor beating portion is inclined such that a raw material is guided from a small diameter side of a second rotor to a large diameter side of the second rotor,
• a central opening portion is formed at a central portion of the stator beating portion,
• the raw material from the raw material supply portion approaches end portions of the first stator beating portion and the first rotor beating portion on a side close to the raw material supply portion, and the first opening portion,
• end portions of the first stator beating portion and the first rotor beating portion on the large diameter side face the central opening portion,
• end portions of the second stator beating portion and the second rotor beating portion on the large diameter side face the central opening portion, and
• the plurality of first′ through-holes of the first stator beating portion, the plurality of second′ through-holes of the second stator beating portion, and the central opening portion communicate with the raw material discharge portion,
• wherein a portion of a raw material guided to the first opening portion of the rotor and the space of the rotor is beaten by passing through the plurality of first through-holes of the first rotor beating portion and the plurality of first′ through-holes of the first stator beating portion, and is discharged to an outside of the first stator beating portion from the plurality of first′ through-holes of the first stator beating portion,
• a portion of a raw material guided to the space of the rotor is beaten by passing through the plurality of second through-holes of the second rotor beating portion and the plurality of second′ through-holes of the second stator beating portion, and is discharged to an outside of the second stator beating portion from the plurality of second′ through-holes of the second stator beating portion,
• a portion of a raw material guided to the first opening portion of the rotor and the space of the rotor passes through the plurality of first through-holes of the first rotor beating portion on a side close to the large diameter side of the first rotor, is beaten by passing through a gap between the first stator beating portion and the first rotor beating portion, and is discharged to an outside of the first stator beating portion and the first rotor beating portion through the central opening portion from end portions of the first stator beating portion and the first rotor beating portion on the large diameter side,
• a portion of a raw material guided to the space of the rotor passes through the plurality of second through-holes of the second rotor beating portion on a side close to the large diameter side of the second rotor, is beaten by passing through a gap between the second stator beating portion and the second rotor beating portion, and is discharged to an outside of the second stator beating portion and the second rotor beating portion through the central opening portion from end portions of the second stator beating portion and the second rotor beating portion on the large diameter side,
• a raw material guided to between the first stator beating portion and the first rotor beating portion on the small diameter side corresponding to the end portions on the side close to the raw material supply portion is beaten bypassing through the first stator beating portion and the first rotor beating portion, and is discharged to an outside of the first stator beating portion through the plurality of first′ through-holes of the first stator beating portion, and
• a portion of a raw material discharged from the second opening portion collides with an inner wall of the main body opposing the second opening portion, is guided to between the second stator beating portion and the second rotor beating portion on the small diameter side corresponding to end portions on a side close to the inner wall of the main body opposing the second opening portion, is beaten by passing through the second stator beating portion and the second rotor beating portion, and is discharged to an outside of the second stator beating portion from the plurality of second′ through-holes of the second stator beating portion.

A method of beating a refiner, the refiner including

• a main body,
• a rotation shaft provided inside the main body,
• a rotor attached to the rotation shaft and having a mountain shape in which a center is high, the rotor having first and second opening portions, both ends of which are open, and a space therein,
• a stator provided in the main body to oppose the rotor,
• a rotor beating portion provided on a surface of the rotor except for a center of the rotor in a longitudinal direction, the rotor beating portion having a groove between a bar and a bar and having a plurality of through-holes penetrating therethrough,
• a stator beating portion provided on a surface of the stator, the stator beating portion opposing the rotor beating portion and having a groove between a bar and a bar, and having a plurality of through-holes penetrating therethrough,
• a first raw material supply portion provided in the main body to supply a raw material from a side of the first opening portion,
• a second raw material supply portion provided in the main body to supply a raw material from a side of the second opening portion, and
• a raw material discharge portion for discharging a beaten raw material to an outside of the main body,
• wherein the rotor beating portion includes a first rotor beating portion provided on a surface thereof and a second rotor beating portion provided on the surface, the first rotor beating portion having a first groove between a first bar and a first bar and having a plurality of first through-holes penetrating therethrough, the second rotor beating portion having a second groove between a second bar and a second bar and having a plurality of second through-holes penetrating therethrough,
• the stator beating portion includes a first stator beating portion provided on a surface thereof and a second stator beating portion provided on the surface, the first stator beating portion having a first′ groove between a first′ bar and a first′ bar and having a plurality of first′ through-holes penetrating therethrough, the second stator beating portion having a second′ groove between a second′ bar and a second′ bar and having a plurality of second′ through-holes penetrating therethrough,
• the first bar of the first rotor beating portion is inclined such that a raw material is guided from a large diameter side of a first rotor to a small diameter side of the first rotor, and the second bar of the second rotor beating portion is inclined such that a raw material is guided from a large diameter side of a second rotor to a small diameter side of the second rotor,
• a central opening portion is formed at a central portion of the stator beating portion,
• end portions of the first stator beating portion and the first rotor beating portion on a side far from the first raw material supply portion face the central opening portion,
• end portions of the second stator beating portion and the second rotor beating portion on a side far from the second raw material supply portion face the central opening portion,
• the raw material from the first raw material supply portion approaches end portions of the first stator beating portion and the first rotor beating portion on a side close to the first raw material supply portion, and the first opening portion,
• the raw material from the second raw material supply portion approaches end portions of the second stator beating portion and the second rotor beating portion on a side close to the second raw material supply portion, and the second opening portion, and
• the plurality of first′ through-holes of the first stator beating portion, the plurality of second′ through-holes of the second stator beating portion, and the central opening portion communicate with the raw material discharge portion,
• wherein a portion of the raw material supplied from the first raw material supply portion is beaten by passing through the first opening portion, the space of the rotor, the plurality of first through-holes of the first rotor beating portion, and the plurality of first′ through-holes of the first stator beating portion, and is discharged to an outside of the first stator beating portion from the plurality of first′ through-holes of the first stator beating portion,
• a portion of the raw material supplied from the second raw material supply portion is beaten by passing through the second opening portion, the space of the rotor, the plurality of second through-holes of the second rotor beating portion, and the plurality of second′ through-holes of the second stator beating portion, and is discharged to an outside of the second stator beating portion from the plurality of second′ through-holes of the second stator beating portion,
• a portion of the raw material discharged to the outside of the first stator beating portion from the first′ through-holes of the first stator beating portion is beaten by being guided to between the first stator beating portion and the first rotor beating portion from the end portions of the first stator beating portion and the first rotor beating portion on the side far from the first raw material supply portion through the central opening portion, and is discharged to the outside of the first stator beating portion from the plurality of first′ through-holes of the first stator beating portion on a side close to the large diameter side of the first rotor,
• a portion of the raw material discharged to the outside of the second stator beating portion from the second′ through-holes of the second stator beating portion is beaten by being guided to between the second stator beating portion and the second rotor beating portion from the end portions of the second stator beating portion and the second rotor beating portion on the side far from the second raw material supply portion through the central opening portion, and is discharged to the outside of the second stator beating portion from the plurality of second′ through-holes of the second stator beating portion on a side close to the large diameter side of the second rotor,
• a portion of a raw material introduced to the first stator beating portion and the first rotor beating portion from the plurality of first through-holes of the first rotor beating portion on a side close to the small diameter side of the first rotor is returned to the small diameter side of the first rotor, is discharged from the end portions of the first stator beating portion and the first rotor beating portion on the side close to the first raw material supply portion, joins the raw material supplied from the first raw material supply portion, is beaten by passing through the first opening portion of the rotor, the space of the rotor, the plurality of first through-holes of the first rotor beating portion, and the plurality of first′ through-holes of the first stator beating portion, and is discharged to the outside of the first stator beating portion from the plurality of first′ through-holes of the first stator beating portion, and
• a portion of a raw material introduced to the second stator beating portion and the second rotor beating portion from the plurality of second through-holes of the second rotor beating portion on a side close to the small diameter side of the second rotor is returned to the small diameter side of the second rotor, is discharged from the end portions of the second stator beating portion and the second rotor beating portion on the side close to the second raw material supply portion, joins the raw material supplied from the second raw material supply portion, is beaten by passing through the second opening portion of the rotor, the space of the rotor, the plurality of second through-holes of the second rotor beating portion, and the plurality of second′ through-holes of the second stator beating portion, and is discharged to the outside of the second stator beating portion from the plurality of second′ through-holes of the second stator beating portion.

A method of beating a refiner, the refiner including

• a main body,
• a rotation shaft provided inside the main body,
• a tapered rotor attached to the rotation shaft, and having a space inside the rotor,
• a stator provided in the main body to oppose the rotor,
• a rotor beating portion provided on a surface of the rotor, the rotor beating portion having a groove between a bar and a bar, and a plurality of through-holes penetrating therethrough,
• a stator beating portion provided on a surface of the stator, the stator beating portion opposing the rotor beating portion, and having a groove between a bar and a bar, and a plurality of through-holes penetrating therethrough,
• a raw material supply portion for supplying a raw material into the main body, and
• a raw material discharge portion for discharging a beaten raw material to an outside of the main body,
• wherein the raw material from the raw material supply portion approaches end portions of the stator beating portion and the rotor beating portion on a side close to the raw material supply portion, and a small-diameter opening portion of the rotor,
• the plurality of through-holes of the stator beating portion and end portions of the stator beating portion and the rotor beating portion on a side far from the raw material supply portion communicate with the raw material discharge portion,
• the rotor is configured such that a small diameter side serves as a small-diameter opening portion and a large diameter side is blocked, and
• the bar of the rotor beating portion is inclined such that a raw material is guided from the large diameter side of the rotor to the small diameter side of the rotor,
• wherein a raw material beaten by passing through the small-diameter opening portion of the rotor, the space of the rotor, the plurality of through-holes of the rotor beating portion, and the plurality of through-holes of the stator beating portion is discharged to an outside of the stator beating portion from the plurality of through-holes of the stator beating portion,
• a portion of the raw material discharged to the outside of the stator beating portion from the through-holes of the stator beating portion is beaten by being guided to between the stator beating portion and the rotor beating portion from the end portions of the stator beating portion and the rotor beating portion on the side far from the raw material supply portion, and is discharged to the outside of the stator beating portion from the plurality of through-holes of the stator beating portion on a side close to the large diameter side of the rotor, and
• a portion of a raw material introduced to the stator beating portion and the rotor beating portion from the plurality of through-holes of the rotor beating portion on a side close to the small diameter side of the rotor is returned to the small diameter side of the rotor, is discharged from the end portions of the stator beating portion and the rotor beating portion on the side close to the raw material supply portion, joins the raw material supplied from the raw material supply portion, is beaten by passing through the small-diameter opening portion of the rotor, the space of the rotor, the plurality of through-holes of the rotor beating portion, and the plurality of through-holes of the stator beating portion, and is discharged to the outside of the stator beating portion from the plurality of through-holes of the stator beating portion.