JP5147642B2 - Conveyance mechanism of used paper recycling equipment for shredded documents - Google Patents

Description

  The present invention relates to an office-installed type used paper recycling apparatus for shredded paper, including a pulper that breaks used paper such as office documents into a recycled pulp suspension and a paper machine that produces recycled paper from the recycled pulp suspension. The present invention relates to a transport mechanism for used paper recycling apparatus used in the above.

  In view of the fact that document shredder has not been sufficiently recycled in the past, if the document shredder is recycled to relatively low quality recycled paper such as toilet paper, the waste paper recycling process can be omitted and an apparatus By reducing the size and simplification of documents, it is possible to recycle document shredded waste in units of organizations such as companies, government offices, associations, housing estates, or local governments, saving resources and energy, and collecting used paper In order to reduce the time and labor required for the paper, a step of separating the waste paper shredded by a document shredding machine with a pulper equipped with a stirring means into a regenerated pulp, and a chest in which the regenerated pulp is always gently stirred And storing the regenerated pulp stored in an injection device having a pressure source and an injection hole, injecting the regenerated pulp from the injection device, and enabling rotation via a pair of rollers Document shredding comprising the steps of: spraying the fiber sheet of a papermaking apparatus having an endless fiber sheet attached thereto to form the recycled pulp into a sheet, and drying the sheet-shaped recycled pulp with a drying roller to make paper A method for recycling waste paper has been proposed (see Patent Document 1).

  In addition, the present inventors have proposed a waste paper recycling apparatus for shredded documents as shown in Patent Document 2 in order to solve various problems in putting the above proposal into practical use.

  In the waste paper recycling device for document shredder of Patent Document 2, the recycled pulp suspension is dehydrated with a papermaking net at the wire part, the recycled pulp wet sheet (wet paper) is pressed at the press part, and is recycled at the dryer part. The pulp wet sheet (wet paper) is dried by passing it through a drier, and the paper is taken up by the reel part.

  A paper pulp that has been made into a regenerated pulp suspension by a pulper and before being made into paper in the paper making process is called wet paper, but this wet paper has a low strength and is delicate to handle.

However, with the transport mechanism of the conventional used paper recycling apparatus for shredded documents, it has been difficult to stably transport the wet paper, which has a low strength after pressing in the press part and is delicate to handle, to the dryer part.
JP 10-317290 A JP 2006-169710 A JP 2008-179907 A

  The present invention has been made in view of the above-described prior art, and is a document detail that can stably and automatically convey wet paper that is low in strength after pressing in the press part and delicate in handling to the dryer part. An object of the present invention is to provide a transport mechanism for waste paper recycling apparatus for scrap.

  The transport mechanism of the document shredding waste metering mechanism of the present invention is a waste paper for document shredding waste including a pulper that breaks up the used paper to make a recycled pulp suspension and a paper machine for making the recycled paper from the recycled pulp suspension. A transport mechanism used in a regenerator, a felt band for carrying wet paper from a regenerated pulp suspension, and a first press provided to face each other to press the wet paper carried to the felt band A roll and a second press roll; a doctor blade for peeling the wet paper attached to the second press roll by being pressed against the second press roll; and the wet paper peeled off by the doctor blade is conveyed A conveyor belt, and the conveyor belt is composed of an upper mesh suspended from an upper mesh conveyor roller and a lower mesh suspended from a lower mesh conveyor roller. The lower mesh conveyance roller is provided close to the second press roll side, and the upper mesh conveyance roller and the lower mesh conveyance roller are provided opposite to each other, and the conveyance surface of the lower mesh is positioned below the pressing position of the doctor blade. Thus, the wet paper web peeled off by the doctor blade falls on the lower net, and the wet paper web is sandwiched between the lower net and the upper net to be conveyed.

  Also, a round netting device having a mesh portion that is rotatably provided in contact with the lower side of the felt belt, and provided above the mesh portion, for ejecting the regenerated pulp suspension to the mesh portion The regenerated pulp suspension remaining on the mesh portion of the regenerated pulp suspension ejected from the headbox becomes wet paper and is conveyed by the felt belt, It is preferable that the mesh portion at the dropped position is washed by free fall of white water that has passed through the mesh portion of the regenerated pulp suspension ejected from.

  According to the present invention, the transport mechanism of the waste paper recycling apparatus for shredded document waste, which is capable of stably and automatically transporting wet paper that is low in strength after pressing in the press part and is delicately handled. It is possible to provide a great effect.

  In addition, the white water that has passed through the mesh portion of the regenerated pulp suspension sprayed from the head box provided above the mesh portion of the round netting device is free-falling, thereby washing the mesh portion at the position where the water has dropped. Therefore, there is an effect that it is not necessary to separately install a shower device for ejecting white water or fresh water.

  Therefore, if the waste paper recycling apparatus for document shredded waste incorporating the transport mechanism of the waste paper recycling apparatus for document shredded waste of the present invention is used, the recycling of the document shredded waste can be performed by companies, government offices, associations, housing estates or local public bodies, etc. It is possible to recycle document shredded waste that has been incinerated or landfilled, and can save resources and energy, reduce waste paper collection time, and reduce labor. There is an effect.

  DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the accompanying drawings. However, the illustrated examples are shown by way of example, and it goes without saying that various modifications can be made without departing from the technical idea of the present invention. .

  FIG. 1 is a front perspective view showing a state in which the transport mechanism of the used paper shredding paper recycling apparatus of the present invention is incorporated in a part of the used paper shredding paper recycling apparatus. FIG. 2 is a front view of FIG. Is an enlarged view of the main part of FIG. 2, and FIG. 4 is an enlarged view of the main part of FIG.

  1-4, the code | symbol 10 shows the conveyance mechanism of the used paper recycling apparatus for document shredding waste based on this invention. The transport mechanism 10 of the waste paper recycling apparatus for document shredder according to the present invention includes a pulper that breaks waste paper into a recycled pulp suspension and a paper machine that makes recycled paper from the recycled pulp suspension. It is a transport mechanism used in a waste paper recycling apparatus for waste, and is opposed to press the felt belt 12 carrying wet paper from the recycled pulp suspension and the wet paper 14 carried to the felt belt 12. A first press roll 16 and a second press roll 18 provided; a doctor blade 20 for peeling the wet paper 14 attached to the second press roll 18 by pressing against the second press roll 18; And a conveyor belt 22 on which the wet paper 14 peeled off by the doctor blade 20 is conveyed.

  The conveyor belt 22 is composed of an upper net 26 suspended from an upper mesh conveyor roller 24 and a lower mesh 30 suspended from a lower mesh conveyor roller 28. The lower mesh transport roller 28 is positioned closer to the second press roll 18 than the upper mesh transport roller 24, and the upper mesh transport roller 24 and the lower mesh transport roller 28 are opposed to each other. By positioning the conveyance surface 32 of the lower net 30 below the pressing position, the wet paper 14 peeled off by the doctor blade 20 falls on the lower net 30, and the wet paper 14 is moved to the lower net 30. And the upper net 26 to be conveyed.

  In this way, the wet paper 14 having low strength after pressing at the press part by the first press roll 16 and the second press roll 18 and having a delicate handling is stably and automatically conveyed to the drying chamber 34 of the dryer part. can do. As the drying chamber 34, for example, one described in Patent Document 3 may be used. Moreover, about structures other than the transport mechanism, the structure described in Patent Document 2 can be adopted.

  Reference numerals 108a to 108p are auxiliary rolls provided in the drying chamber 34 and on which the conveyor belt 22 is suspended. Reference numerals 110a to 110f are rolls that are provided in the drying chamber 34 and on which the conveyor belt 22, the upper net 26, and the lower net 30 are suspended.

  Further, a round netting device 38 having a mesh portion 36 that is rotatably provided in contact with the lower side of the felt belt 12, and provided above the mesh portion 36, the regenerated pulp suspension in the mesh portion 36. And a head box 40 for ejecting the liquid.

  The head box 40 is provided with a supply pipe 52, and the recycled pulp suspension produced by the pulper device is sent to the head box 40. Of the regenerated pulp suspension ejected from the head box 40, the regenerated pulp suspension remaining on the mesh portion 36 becomes wet paper 14 and is transported by the felt belt 12 and ejected from the head box 40. In the regenerated pulp suspension, the mesh portion 36 ′ at the dropped position is washed by the free fall of the white water 42 that has passed through the mesh portion 36.

  In this way, the white water 42 that has passed through the mesh part 36 of the regenerated pulp suspension ejected from the head box 40 provided above the mesh part 36 of the round netting device 38 falls freely, Since the mesh portion 36 'at the position where the water has fallen is washed, it is not necessary to separately install a shower device or the like for ejecting white water or fresh water. Reference numeral 44 denotes a pickup roll, and the wet paper web 14 is conveyed on the felt belt 12 by bringing the felt belt 12 into contact with the mesh portion 36 of the round netting device 38. Further, a first guide roller 48 and a second guide roller 50 for guiding the felt belt 12 are provided.

  Reference numeral 46 denotes a drain container provided below the round netting device 38 for collecting the white water 42 that has fallen. The white water 42 collected in the drain container 46 passes through the drain port 54 and is reused as water for dissociation in the pulper.

  Therefore, if the waste paper recycling apparatus for document shredded waste incorporating the transport mechanism 10 of the used paper shredder waste recycling apparatus of the present invention is used, the document shredded waste can be reclaimed by a company, government office, association, housing complex or local public entity. This makes it possible to recycle document shredded waste that has been incinerated or landfilled, thereby saving resources and energy, shortening the time required for collecting recovered paper, and reducing labor.

It is a front perspective view which shows a mode that the conveyance mechanism of the used paper recycling apparatus for document shredded waste of this invention was incorporated in a part of used paper recycling apparatus for document shredded waste. It is a front view of FIG. FIG. 3 is an enlarged view of a main part of FIG. 2. It is a principal part enlarged view of FIG.

Explanation of symbols

  10: Conveying mechanism of waste paper recycling apparatus for document shredded waste according to the present invention, 12: felt belt 12, 14: wet paper, 16: first press roll, 18: second press roll, 20: doctor blade, 22: Conveying belt, 24: Upper net conveying roller, 26: Upper net, 28: Lower net conveying roller, 30: Lower net, 32: Conveying surface, 34: Drying chamber, 36: Mesh part, 36 ′: Mesh part at white water dropping position, 38: Round netting device, 40: Head box, 42: White water, 44: Pickup roll, 46: Drain container, 48: First guide roller, 50: Second guide roller, 52: Supply pipe, 54: Drain port, 108a -108p: Roll, 110a-110f: Auxiliary roll.

Claims (2)

A transport mechanism used in a used paper recycling apparatus for document shredder including a pulper that disaggregates used paper to make a recycled pulp suspension and a paper machine that makes recycled paper from the recycled pulp suspension. A felt belt that carries wet paper from the suspension,
A first press roll and a second press roll provided opposite to each other to press the wet paper carried to the felt belt;
A doctor blade for peeling off the wet paper attached to the second press roll by pressing against the second press roll;
A transport belt for transporting the wet paper peeled off by the doctor blade into a drying chamber of the paper machine ;
Including
The conveyor belt is composed of an upper net suspended from an upper mesh conveyor roller and a lower mesh suspended from a lower mesh conveyor roller;
The lower mesh conveying roller is provided closer to the second press roll side than the upper mesh conveying roller, and the upper mesh conveying roller and the lower mesh conveying roller are opposed to each other, and the lower mesh is provided below the pressing position of the doctor blade. The wet paper that has been peeled off by the doctor blade falls onto the lower mesh, and the wet paper is sandwiched between the lower mesh and the upper mesh so that the inside of the drying chamber of the paper machine. conveying mechanism of the document shredding scrap for used paper recycling apparatus being characterized in that so as to be transported to. A round net device having a mesh portion rotatably provided in contact with the lower side of the felt belt;
A head box provided above the mesh portion, and for ejecting the regenerated pulp suspension to the mesh portion;
And the regenerated pulp suspension remaining on the mesh portion of the regenerated pulp suspension ejected from the head box becomes wet paper and is conveyed by the felt belt,
2. The document according to claim 1, wherein, in the recycled pulp suspension supplied from the head box, the mesh portion at the dropped position is washed by free fall of white water that has passed through the mesh portion. 3. Conveyance mechanism for waste paper recycling equipment for shredded waste.