Recycled paper smoothing device for used paper recycling apparatus

Abstract

A recycled paper smoothing technology capable of regenerating the wet paper made and formed in the paper making process unit of the paper making unit securely as a smooth recycled paper free from wrinkle, in a very narrow used paper processing space of a used paper recycling apparatus of furniture size. A recycled paper smoothing unit has a smooth surface belt for conveying the wet paper, and a belt guide unit for conveying and guiding the smooth surface belt in a state curved upward toward the running direction thereof, and the wet paper on the smooth surface belt conveyed by the smooth surface belt is provided with a tension uniformly in the conveying and running direction, by the running action of the smooth surface belt, and the curved shape of the smooth surface belt due to the belt guide unit, so that a smooth recycled paper free from wrinkle is regenerated securely.

1 . A recycled paper smoothing device of a used paper recycling apparatus, being a recycled paper smoothing device for smoothing and processing recycled paper, being disposed in a paper making unit for manufacturing recycled paper by making from used paper pulp manufactured in a proceeding process of pulp making unit, in a used paper recycling apparatus of furniture size to be installed at the site of origin of used paper,
 wherein in the paper making unit, the recycled paper smoothing device is provided in a drying belt conveyor unit for producing recycled paper by drying the wet paper made and formed in a paper making belt unit for producing wet paper by making from used paper pulp, and   the recycled paper smoothing device constitutes the drying belt conveyor unit, and comprises a smooth surface belt for running and conveying the wet paper, and belt guide means for guiding the running smooth surface belt in a state curved upward toward the running direction, while sliding and supporting the running smooth surface belt from the lower side, and   therefore the wet paper on the smooth surface belt conveyed by the smooth surface belt is provided with a tension uniformly at least in the conveying and running direction, by the running action of the smooth surface belt, and the curved shape of the smooth surface belt by the belt guide means.   
     
     
         2 . The recycled paper smoothing device of a used paper recycling apparatus according to  claim 1 , comprising pressing means for pressing the entire wet paper conveyed on the smooth surface belt with a uniform pressure from the upper side,
 wherein this pressing means is formed as a covering belt conveyor having a covering belt for running with covering the entire wet paper on the smooth surface belt together with the smooth surface belt in a pressed state, and   the covering belt has its lower side cooperating with the upper side of the smooth surface belt so as to form a flat smoothing action surface for smoothing and processing the entire wet paper.   
     
     
         3 . The recycled paper smoothing device of a used paper recycling apparatus according to  claim 1 ,
 wherein the belt guide means is provided a curved guide surface having a main curved section curved upward to the running direction of the smooth surface belt, and   this smooth surface belt is designed to run in a state being curved upward, as being guided by sliding on the curved guide surface of the belt guide means.   
     
     
         4 . The recycled paper smoothing device of a used paper recycling apparatus according to  claim 3 ,
 wherein the curved guide surface of the belt guide means has an auxiliary curved section curved upward vertically to the main curved section.   
     
     
         5 . The recycled paper smoothing device of a used paper recycling apparatus according to  claim 3 ,
 wherein the belt guide means is formed of a plate material curved and formed upward toward the running direction of the smooth surface belt, and its upper side is the curved guide surface.   
     
     
         6 . The recycled paper smoothing device of a used paper recycling apparatus according to  claim 3 ,
 wherein the belt guide means functions also as heating means for heating the smooth surface belt from the lower side, and   the wet paper on the smooth surface belt is heated and dried indirectly by the smooth surface belt heated by this heating means.   
     
     
         7 . The recycled paper smoothing device of a used paper recycling apparatus according to  claim 6 ,
 wherein the heating means is a heater plate curved and formed upward toward the running direction of the smooth surface belt, and the upper side of this heater plate is the curved guide surface.   
     
     
         8 . The recycled paper smoothing device of a used paper recycling apparatus according to  claim 2 ,
 wherein the covering belt conveyor includes the covering belt formed as an endless belt running with covering the entire wet paper on the smooth surface belt held tightly together with the smooth surface belt, and a drive motor for propelling and driving this covering belt.   
     
     
         9 . The recycled paper smoothing device of a used paper recycling apparatus according to  claim 8 ,
 wherein the covering belt is formed of a mesh belt composed of numeral mesh cells for passing and releasing the moisture heated and evaporated from the wet paper on the smooth surface belt to the upper side.   
     
     
         10 . The recycled paper smoothing device of a used paper recycling apparatus according to  claim 9 ,
 wherein the mesh of the mesh belt is set at 12 to 40 mesh cells.   
     
     
         11 . The recycled paper smoothing device of a used paper recycling apparatus according to  claim 9 ,
 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.   
     
     
         12 . The recycled paper smoothing device of a used paper recycling apparatus according to  claim 9 ,
 wherein the mesh belt is made of the mesh belt for composing the paper making net conveyor of the paper making belt unit,   the mesh belt is disposed and configured to run straightly toward the running direction in the paper making belt conveyor unit, and run by returning in the opposite direction in the drying belt conveyor unit.   
     
     
         13 . A paper making device of a used paper recycling apparatus, in a paper making device for composing a used paper recycling apparatus of furniture size to be installed at the site of origin of used paper, being a paper making device for manufacturing recycled paper by making from used paper pulp manufactured in a proceeding process of a pulp making device, comprising:
 a paper making belt conveyor unit for producing wet paper by making from a slurry-like pulp suspension mixing water and used paper pulp sent from the pulp making device,   a drying belt conveyor for producing recycled paper by drying the wet paper made and formed in this paper making belt conveyor unit, and   a dewatering roll unit for squeezing and dewatering the wet paper at the linkage position of the paper making belt conveyor unit and the drying belt conveyor unit,   wherein the drying belt conveyor unit includes recycled paper smoothing means for processing and discharging the wet paper made and formed in the paper making conveyor unit as smooth recycled paper, and this recycled paper smoothing means is composed of the recycled paper smoothing device of any one of  claims 1  to  12 .   
     
     
         14 . 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 by interlock,   wherein the paper making unit is composed of the paper making device of  claim 13 .