Paper machine for used paper recycling apparatus

Abstract

To present a paper machine for a used paper recycling apparatus small enough to be installed in a room of small shop or the like, friendly to the environment, low in running cost, and high in confidentiality. The paper machine includes a paper making process unit for manufacturing wet paper from slurry pulp suspension sent from the pulp making section in preceding process, a drying process unit for drying and regenerating the wet paper manufactured in the paper making process unit, and a calender roll unit for calendering the dry paper dried in the drying process unit, in which the calender roll unit is disposed adjacently to the downstream side position of the drying process unit, and calenders the dry paper discharged from the drying process unit by rolling and pressing from both face and back sides.

1 . A paper machine for a used paper recycling apparatus of furniture size small enough to be installed at the site of origin of used paper, for recycled paper from used paper pulp manufactured in a pulp making section in preceding process, comprising:
 a paper making process unit for manufacturing wet paper from slurry, pulp suspension containing water and used paper pulp sent from the pulp manufacturing section,   a drying process unit for drying, the wet paper manufactured in the paper making process unit, and   a calender roll unit for calendering the dry paper dried in the drying process unit,   wherein the calender roll unit is disposed adjacently to the downstream side position of the drying, process unit, and calenders the dry paper discharged from the drying process unit by rolling and pressing from both face and back sides.   
   
   
       2 . The paper machine for a used paper recycling apparatus of  claim 1 , wherein the calender roll unit includes a pair of upper and lower calender rolls for pressing the dry paper from top and bottom, and
 the upper calender roll of the calender rolls is a cylindrical roll made of material of high rigidity, and the lower calender roll is a cylindrical roll made of material of high rigidity, coated with an elastic layer of elastic material on the outer circumference thereof.   
   
   
       3 . The paper machine for a used paper recycling apparatus of  claim 1 , wherein at least one of the pair of calender rolls is a heating calender roll provided with heating means. 
   
   
       4 . The paper machine for a used paper recycling apparatus of  claim 1 , wherein the rotating speed of the pair of calendar rolls of the calendar roll unit is controlled in synchronism with the conveying speed of the dry paper in the drying process unit, and a recycled paper of smooth and desired paper quality is obtained. 
   
   
       5 . The paper machine for a used paper recycling apparatus of  claim 1 , wherein the paper making process unit includes a paper making conveyor for processing and conveying the pulp suspension,
 the pulp making conveyor is composed of mesh belt of paper making mesh structure of numerous meshes for filtering and dewatering the pulp suspension disposed to run straightly toward its running, direction, and   the paper making process length in the mesh belt is set in a range of straight running direction length of the mesh belt in the apparatus case of furniture size.   
   
   
       6 . The paper machine for a used paper recycling apparatus of  claim 5 , wherein the paper making process length of the mesh belt is set sufficiently for manufacturing a proper weight of paper from the pulp suspension in relation to the filtering and dewatering rate of the paper making mesh structure and the running speed of the mesh belt, and small enough so that the paper making conveyor having the mesh belt bay be accommodated in the apparatus case of furniture size. 
   
   
       7 . The paper machine for a used paper recycling apparatus of  claim 6 , wherein the mesh belt is disposed upward, obliquely and straightly toward its running direction. 
   
   
       8 . The paper machine for a used paper recycling apparatus of  claim 5 , wherein the paper making conveyor includes the mesh belt of endless belt from for manufacturing and conveying the pulp suspension, and a drive motor for driving this mesh belt. 
   
   
       9 . The paper machine for a used paper recycling apparatus of  claim 1 ,
 wherein the paper making process unit is installed at start end position of paper making process of the paper making conveyor, and includes a pulp feed unit for supplying the pulp suspension from the pulp making device into the paper making conveyor, and   the pulp suspension is spread and supplied uniformly on the upside of the mesh belt of the pater making conveyor by this pulp feed unit.   
   
   
       10 . The paper machine for a used paper recycling apparatus of  claim 1 , wherein the drying process unit includes a smooth surface belt of endless belt form for receiving and conveying the wet paper manufactured and formed in the paper making process unit, and a drive motor for driving this smooth surface belt, and
 the smooth surface belt has a smooth surface for smoothing the surface of the wet paper sent from the paper making process unit.   
   
   
       11 . The paper machine for a used paper recycling apparatus of  claim 1 , wherein a dewatering roll unit for squeezing and dewatering the wet paper is provided at the junction of the paper making process unit and drying process unit. 
   
   
       12 . The paper machine for a used paper recycling apparatus  claim 1 , wherein the dewatering roll unit is designed to squeeze and dewater the wet paper on the mesh belt by rolling and compressing the mesh belt of the paper making process unit and the smooth surface belt of the drying process unit from both upper and lower sides. 
   
   
       13 . The paper machine for a used paper recycling apparatus of  claim 10 , wherein the drying process unit includes a heating and drying process unit for heating and drying the wet paper on the smooth surface belt. 
   
   
       14 . The paper machine for a used paper recycling apparatus of  claim 7 , wherein the paper making process unit, dewatering roll unit, and drying process unit are driven by a common drive source. 
   
   
       15 . A used paper recycling apparatus comprising, in an apparatus case of furniture size, a pulp making section for macerating and mashing the used paper and manufacturing used paper pulp, a paper making process unit for manufacturing recycled paper from the used paper pulp manufactured in this pulp making section, and a control section for driving and controlling the pulp making section and paper making process unit in interlocks,
 wherein the paper making process unit includes a paper making process unit for making wet paper from slurry pulp suspension containing water and used paper sent from the pulp making section, a drying process unit for drying the wet paper formed in the paper making process unit, and a calender roll unit for calendering the dry paper dried in the drying process unit, and   the calender roll unit is disposed adjacently to the downstream side position of the drying process unit, and calenders the dry paper discharged from the drying process unit by rolling and pressing from both face and back sides.   
   
   
       16 . The paper machine for a used paper recycling apparatus of  claim 2 , wherein at least one of the pair of calender rolls is a heating calender roll provided with heating means. 
   
   
       17 . The pater machine for a used paper recycling apparatus of  claim 2 , wherein the rotating speed of the pair of calender rolls of the calender roll unit is controlled in synchronism with the conveying speed of the dry paper in the drying process unit, and a recycled paper of smooth and desired paper quality is obtained. 
   
   
       18 . The paper machine for a used paper recycling apparatus of  claim 3 , wherein the rotating speed of the pair of calender rolls of the calender roll unit is controlled in synchronism with the conveying speed of the dry paper in the drying process unit, and a recycled paper of smooth and desired paper quality is obtained. 
   
   
       19 . The paper machine for a used paper recycling apparatus of  claim 16 , wherein the rotating speed of the pair of calender rolls of the calender roll unit is controlled in synchronism with the conveying speed of the dry paper in the drying process unit, and a recycled paper of smooth and desired paper quality is obtained.