Refiner beating method

A method of beating a raw material in a refiner, comprising:

• providing 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,
• a stator beating portion provided on a surface of the stator, the stator beating portion opposing the rotor beating portion,
• 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 the raw material beaten 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 thereof,
• the first rotor beating portion comprises a bar, another bar, a groove between the bar and the another bar of the first rotor beating portion, and a plurality of through-holes penetrating through the first rotor beating portion, the bar and another bar crossing the plurality of through-holes,
• the second rotor beating portion comprises a bar, another bar, a groove between the bar and the another bar of the second rotor beating portion, and a plurality of through-holes penetrating through the second rotor beating portion, the bar and another bar crossing the plurality of through-holes,
• 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 thereof,
• the first stator beating portion comprises a bar, another bar, a groove between the bar and the another bar of the first stator beating portion, and a plurality of through-holes penetrating through the first stator beating portion, the bar and another bar crossing the plurality of through-holes,
• the second stator beating portion comprises a bar, another bar, a groove between the bar and the another bar of the second stator beating portion, and a plurality of through-holes penetrating through the second stator beating portion, the bar and another bar crossing the plurality of through-holes,
• the bar of the first rotor beating portion is inclined such that the raw material is guided from a small diameter side of first rotor beating portion to a large diameter side of the first rotor beating portion,
• the second bar of the second rotor beating portion is inclined such that the raw material is guided from a small diameter side of the second rotor beating portion to a large diameter side of the second rotor beating portion,
• 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,
• the 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 through-holes of the first stator beating portion, the plurality of through-holes of the second stator beating portion, and the central opening portion communicate with the raw material discharge portion, wherein
• beating a portion of the raw material guided to the first opening portion of the rotor and the space of the rotor by passing through the plurality of through-holes of the first rotor beating portion and the plurality of through-holes of the first stator beating portion thereby producing a beaten raw material (A),
• discharging the beaten raw material (A) to an outside of the first stator beating portion from the plurality of through-holes of the first stator beating portion,
• beating a portion of the raw material guided to the space of the rotor by passing through the plurality of through-holes of the second rotor beating portion and the plurality of through-holes of the second stator beating portion thereby producing a beaten raw material (B),
• discharging the beaten raw material (B) to an outside of the second stator beating portion from the plurality of through-holes of the second stator beating portion,
• beating a portion of the raw material guided to the first opening portion of the rotor and the space of the rotor passing through the plurality of through-holes of the first rotor beating portion on a side close to the large diameter side of the first rotor by passing through a gap between the first stator beating portion and the first rotor beating portion thereby producing a beaten raw material (C),
• discharging the beaten raw material (C) to an outside of the first stator beating portion and the first rotor beating portion through the central opening portion from the end portions of the first stator beating portion and the first rotor beating portion on the large diameter side,
• beating a portion of the raw material guided to the space of the rotor passing through the plurality of through-holes of the second rotor beating portion on a side close to the large diameter side of the second rotor by passing through a gap between the second stator beating portion and the second rotor beating portion thereby producing a beaten raw material (D),
• discharging the beaten raw material (D) to an outside of the second stator beating portion and the second rotor beating portion through the central opening portion from the end portions of the second stator beating portion and the second rotor beating portion on the large diameter side,
• beating the raw material guided to between the first stator beating portion and the first rotor beating portion on the small diameter side corresponding to end portions on the side close to the raw material supply portion by passing through the first stator beating portion and the first rotor beating portion thereby producing a beaten raw material (E),
• discharging the beaten raw material (E) to an outside of the first stator beating portion through the plurality of through-holes of the first stator beating portion,
• beating a portion of the raw material discharged from the second opening portion colliding with an inner wall of the main body opposing the second opening portion, and 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 by passing through the second stator beating portion and the second rotor beating portion thereby producing a beaten raw material (F), and
• discharging the beaten raw material (F) to an outside of the second stator beating portion from the plurality of through-holes of the second stator beating portion.

A method of beating a raw material in a refiner, comprising:

• providing 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,
• a stator beating portion provided on a surface of the stator, the stator beating portion opposing the rotor beating portion,
• 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 the raw material from a side of the second opening portion, and
• a raw material discharge portion for discharging the raw material beaten 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 thereof,
• the first rotor beating portion comprises a bar, another bar, a groove between the bar and the another bar of the first rotor beating portion, and a plurality of through-holes penetrating through the first rotor beating portion, the bar and another bar crossing the plurality of through-holes,
• the second rotor beating portion comprises a bar, another bar, a groove between the bar and the another bar of the second rotor beating portion, and a plurality of through-holes penetrating through the second rotor beating portion, the bar and another bar crossing the plurality of through-holes,
• 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 thereof,
• the first stator beating portion comprises a bar, another bar, a groove between the bar and the another bar of the first stator beating portion, and a plurality of through-holes penetrating through the first stator beating portion, the bar and another bar crossing the plurality of through-holes,
• the second stator beating portion comprises a bar, another bar, a groove between the bar and the another bar of the second stator beating portion, and a plurality of through-holes penetrating through the second stator beating portion, the bar and another bar crossing the plurality of through-holes,
• the bar of the first rotor beating portion is inclined such that the raw material is guided from a large diameter side of first rotor beating portion to a small diameter side of the first rotor beating portion,
• the bar of the second rotor beating portion is inclined such that the raw material is guided from a large diameter side of second rotor beating portion to a small diameter side of the second rotor beating portion,
• 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 the 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 the 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,
• the plurality of through-holes of the first stator beating portion, the plurality of through-holes of the second stator beating portion, and the central opening portion communicate with the raw material discharge portion,
• beating a portion of the raw material supplied from the first raw material supply portion by passing through the first opening portion, the space of the rotor, the plurality of through-holes of the first rotor beating portion, and the plurality of through-holes of the first stator beating portion thereby producing a beaten raw material (A),
• discharging the beaten raw material (A) to an outside of the first stator beating portion from the plurality of through-holes of the first stator beating portion,
• beating a portion of the raw material supplied from the second raw material supply portion by passing through the second opening portion, the space of the rotor, the plurality of through-holes of the second rotor beating portion, and the plurality of through-holes of the second stator beating portion thereby producing a beaten raw material (B),
• discharging the beaten raw material (B) to an outside of the second stator beating portion from the plurality of through-holes of the second stator beating portion,
• beating a portion of the raw material discharged to the outside of the first stator beating portion from the plurality of through-holes of the first stator beating portion by guiding 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 thereby producing a beaten raw material (C),
• discharging the beaten raw material (C) to the outside of the first stator beating portion from the plurality of through-holes of the first stator beating portion on a side close to the large diameter side of the first rotor,
• beating a portion of the raw material discharged to the outside of the second stator beating portion from the through-holes of the second stator beating portion by guiding 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 thereby producing a beaten raw material (D),
• discharging the beaten raw material (D) to the outside of the second stator beating portion from the plurality of through-holes of the second stator beating portion on a side close to the large diameter side of the second rotor,
• beating a portion of the raw material introduced to the first stator beating portion and the first rotor beating portion from the plurality of through-holes of the first rotor beating portion on a side close to the small diameter side of the first rotor, returned to the small diameter side of the first rotor, 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, joining the raw material supplied from the first raw material supply portion by passing through the first opening portion of the rotor, the space of the rotor, the plurality of through-holes of the first rotor beating portion, and the plurality of through-holes of the first stator beating portion thereby producing a beaten raw material (E),
• discharging the beaten raw material (E) to the outside of the first stator beating portion from the plurality of through-holes of the first stator beating portion,
• beating a portion of the raw material introduced to the second stator beating portion and the second rotor beating portion from the plurality of through-holes of the second rotor beating portion on a side close to the small diameter side of the second rotor returned to the small diameter side of the second rotor, 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, joining the raw material supplied from the second raw material supply portion by passing through the second opening portion of the rotor, the space of the rotor, the plurality of through-holes of the second rotor beating portion, and the plurality of through-holes of the second stator beating portion thereby producing a beaten raw material (F), and
• discharging the beaten raw material (F) to the outside of the second stator beating portion from the plurality of through-holes of the second stator beating portion.

A method of beating a raw material in a refiner, comprising:

• providing 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 bar, another bar, a groove between the bar and the another bar, and a plurality of through-holes penetrating there through, the bar and another bar crossing the plurality of through-holes,
• a stator beating portion provided on a surface of the stator, the stator beating portion opposing the rotor beating portion, and having a bar, another bar, a groove between the bar and the another bar, and a plurality of through-holes penetrating there through, the bar and another bar crossing the plurality of through-holes,
• a raw material supply portion for supplying a raw material into the main body, and
• a raw material discharge portion for discharging the raw material beaten 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,
• a small diameter side of the rotor is the small-diameter opening portion,
• a large diameter side of the rotor is a large-diameter opening portion which has a closed end, and
• the bar and the another of the rotor beating portion are inclined such that the raw material is guided from the large diameter side of the rotor to the small diameter side of the rotor,
• discharging the 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 to an outside of the stator beating portion from the plurality of through-holes of the stator beating portion,
• beating a portion of the raw material discharged to the outside of the stator beating portion from the through-holes of the stator beating portion by guiding 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 thereby producing a beaten raw material (A),
• discharging the beaten raw material (A) 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,
• beating a portion of the 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, returned to the small diameter side of the rotor, 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, joining the raw material supplied from the raw material supply portion 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 thereby producing a beaten raw material (B), and
• discharging the beaten raw material (B) to the outside of the stator beating portion from the plurality of through-holes of the stator beating portion.