Regenerated paper smoothing device of used paper recycling apparatus, paper making device, and used paper recycling apparatus

Abstract

In a very narrow used paper processing space of a used paper recycling apparatus of furniture size, the present invention presents a recycled paper smoothing technology for manufacturing securely into a wrinkle-free and smooth recycled paper from wet paper made and formed in a paper making processing unit of a paper making unit. The recycled paper smoothing processing unit is formed as pressing means for pressing the entire wet paper conveyed on a smooth surface belt with a uniform pressure from the upper side in a heating and drying unit, and includes a covering belt conveyor having a covering belt running while covering the entire wet paper on the smooth surface belt in an enclosed state together with the smooth surface belt, and a plurality of pressing rollers disposed at specified intervals in the running direction of the covering belt for pressing this covering belt from the upper side, and therefore the wet paper made and formed in the paper making net conveyor is securely reproduced as a wrinkle-free and smooth recycled paper.

1 . A recycled paper smoothing device of a used paper recycling apparatus for smoothing a recycled paper, being installed in a paper making unit for manufacturing recycled paper from a used paper pulp manufactured in a pulp making unit of a preceding process, in the used paper recycling apparatus of furniture size to be installed at the site of origin of the used paper,
 wherein the paper making unit comprises a paper making belt conveyor unit for manufacturing wet paper from the used paper pulp by making the used paper pulp and a drying belt conveyor unit for manufacturing recycled paper by drying the wet paper made and formed in the paper making belt conveyor unit, and the recycled paper smoothing device is provided in the drying belt conveyor unit,   in a heating and drying unit of the drying belt conveyor unit, the recycled paper smoothing device is formed as pressing means for pressing the entire wet paper conveyed on a smooth surface belt from the upper side at a uniform pressure, and   this pressing means comprises a covering belt conveyor having a covering belt running while covering the entire wet paper on the smooth surface belt in a state enclosed together with the smooth surface belt, and a plurality of pressing rollers arranged at specified intervals in the running direction of the covering belt for pressing the covering belt from the upper side.   
     
     
         2 . The recycled paper smoothing device of the used paper recycling apparatus of  claim 1 ,
 wherein the covering belt conveyor has the covering belt formed as an endless belt running while covering the entire wet paper on the smooth surface belt in a state enclosed together with the smooth surface belt, and a drive motor for moving and driving this covering belt.   
     
     
         3 . The recycled paper smoothing device of the used paper recycling apparatus of  claim 1  or  2 ,
 wherein the covering belt is formed of a mesh belt having numerous mesh cells for passing and releasing the moisture heated and evaporated from the wet paper on the smooth surface belt to the upper side. 
 
     
     
         4 . The recycled paper smoothing device of the used paper recycling apparatus of  claim 1 ,
 wherein the mesh of the mesh belt of the pressing means is set at 12 to 40 mesh cells.   
     
     
         5 . The recycled paper smoothing device of the used paper recycling apparatus of  claim 1 ,
 wherein the running speed of the mesh belt is controlled to be synchronized with the running speed of the smooth surface belt in the drying process unit.   
     
     
         6 . The recycled paper smoothing device of the used paper recycling apparatus of  claim 1 ,
 wherein the configuration of the pressing roller is determined so as to form a flat smoothing action surface for smoothing and processing the entire wet paper, in cooperation between the lower side of the covering belt and the upper side of the smooth surface belt.   
     
     
         7 . The recycled paper smoothing device of the used paper recycling apparatus of  claim 6 ,
 wherein the pressing roller is formed as a solid metal roller having an outside diameter size capable of maintaining a pressing roller interval for forming and maintaining the smoothing action surface of the covering belt, and is supported rotatably.   
     
     
         8 . The recycled paper smoothing device of the used paper recycling apparatus of  claim 1 ,
 wherein in the drying process unit, the smooth surface belt for conveying and supporting the lower side of the wet paper is hated by a heater from the lower side.   
     
     
         9 . The recycled paper smoothing device of the used paper recycling apparatus of  claim 8 ,
 wherein the heater is formed as a heater plate sliding on the opposite side of the conveying and supporting side of the wet paper on the smooth surface belt, and the wet paper on the smooth surface belt is heated indirectly and dried by the smooth surface belt heated by the heater plate.   
     
     
         10 . A paper making device of a used paper recycling apparatus applied in a used paper recycling apparatus of furniture size to be installed at the site of origin of used paper, being a paper making deice for manufacturing recycled paper from used paper pulp manufactured in a pulp making device of a preceding process, comprising:
 a paper making belt conveyor unit for manufacturing wet paper from a slurry-like pulp suspension mixed of water and used paper pulp sent from the pulp making device,   a drying belt conveyor unit for manufacturing recycled paper by drying the wet paper manufactured in this paper making belt conveyor unit, and   a dewatering roll unit for squeezing and dewatering the wet paper at a linkage part of the paper making belt conveyor unit and the drying belt conveyor unit,   wherein the drying belt conveyor unit includes recycled paper smoothing processing means for processing and discharging the wet paper made and formed in the paper making belt conveyor unit as a smooth recycled paper,   this recycled paper smoothing processing means is formed as pressing means for pressing the entire wet paper conveyed on the smooth surface belt with a uniform pressure from the upper side, in the heating and drying unit of the drying belt conveyor unit, and   this pressing means includes a covering belt conveyor having a covering belt running while covering the entire wet paper on the smooth surface belt in an enclosed state together with the smooth surface belt, and a plurality of pressing rollers disposed at specified intervals in the running direction of the covering belt for pressing this covering belt from the upper side.   
     
     
         11 . A used paper recycling apparatus comprising, in an apparatus case of furniture size, a pulp making unit for manufacturing used paper pulp by macerating and beating used paper, a paper making unit for manufacturing recycled paper by making from the used paper pulp manufactured in this pulp making unit, and a control unit for driving and controlling the pulp making unit and the paper making unit in cooperation,
 wherein the paper making unit includes a paper making belt conveyor unit for manufacturing wet paper from a slurry-like pulp suspension mixed of water and used paper pulp sent from the pulp making device, a drying belt conveyor unit for manufacturing recycled paper by drying the wet paper manufactured in this paper making belt conveyor unit, and a dewatering roll unit for squeezing and dewatering the wet paper at a linkage part of the paper making belt conveyor unit and the drying belt conveyor unit,   the drying belt conveyor unit includes recycled paper smoothing processing means for processing and discharging the wet paper made and formed in the paper making belt conveyor unit as a smooth recycled paper,   this recycled paper smoothing processing means is formed as pressing means for pressing the entire wet paper conveyed on the smooth surface belt with a uniform pressure from the upper side, in the heating and drying unit of the drying belt conveyor unit, and   this pressing means includes a covering belt conveyor having a covering belt running while covering the entire wet paper on the smooth surface belt in an enclosed state together with the smooth surface belt, and a plurality of pressing rollers disposed at specified intervals in the running direction of the covering belt for pressing this covering belt from the upper side.