JP2014025170A - Papermaking apparatus in small-sized apparatus for recycling used paper - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a papermaking apparatus in relation to a small-sized apparatus for recycling used paper in which a step of producing used paper pulp and a step of making paper from the used paper pulp are carried out and in which the papermaking apparatus comprising overflow means has a high papermaking efficiency without pulp fibers remaining in a recovery path.SOLUTION: A papermaking apparatus 1 that is used in a small-sized apparatus for recycling used paper and in which a step of producing used paper pulp and a step of making paper from the used paper pulp carried out includes a papermaking tank 2 for storing used paper pulp suspension having an adjusted concentration, and a papermaking drum 3 for conveying the used paper pulp suspension while sucking and absorbing it on a wound endless belt-like belt 5. The papermaking apparatus in the small-sized apparatus for recycling used paper is characterized in that it is provided with feed members 13, 14 for feeding water from the inside to an upper part of the papermaking tank, and feeds water from the feed members to the used pulp suspension in the papermaking tank to suppress floating of pulp fibers in the used pulp suspension.

Description

  The present invention relates to a paper making apparatus in a small used paper recycling apparatus.

  Recycling old shredded paper and shredded waste can reduce the amount of waste and reduce the environmental impact of waste disposal such as incineration and landfilling, leading to effective use of resources. In addition, demand for pulp is expected to increase globally in the future, but the supply of pulp is limited even if afforestation is promoted. In order to alleviate excessive demand pressure on forest resources, the role of waste paper as a resource has become increasingly important.

  As a method for reusing old shredded paper and shredded text, it may be possible to collect shredded paper and shredded text from a recycling specialist. Often discarded.

  Patent Document 1 discloses a small-sized waste paper recycling apparatus that is disposed in a place where used paper is generated and recycles the generated used paper into paper that can be reused on the spot without being disposed of. . The small used paper recycling apparatus is an apparatus that integrally includes at least a used paper recycled pulp manufacturing unit and a paper making unit that manufactures and adjusts recycled paper.

  In addition, the pulp supply unit of the paper making apparatus that makes recycled paper pulp to produce recycled paper retains the pulp suspension supplied in the paper making frame to the water level defined by the overflow means, and runs the endless belt. By cooperating with the operation, it is uniformly distributed on the upper surface of the endless belt. The overflowed pulp suspension is recovered by flowing down to the recovery path in the papermaking frame, and is recovered from the recovery port to the pulp supply tank and reused.

JP 2012-031544 A

  In the above-mentioned Patent Document 1, the overflowed pulp suspension is recovered from the recovery path to the pulp supply tank through the recovery port, but a large amount of overflowed waste paper pulp suspension is recovered and supplied again into the papermaking frame. Therefore, the efficiency of papermaking is not good. In addition, there is a high possibility that the pulp fiber in the waste paper pulp suspension adheres to the recovery path and the recovery port and remains, so that a malfunction may occur in the apparatus.

  To develop and provide a papermaking machine that has good papermaking efficiency of the papermaking machine consisting of overflow means and has little pulp fiber remaining in the recovery path, in a small wastepaper recycling machine that has a wastepaper pulp manufacturing process and a papermaking process to make wastepaper pulp. is there.

  According to the present invention, a supply member is provided in the upper part of the papermaking tank, and water is supplied from the supply member to the used paper pulp suspension in the papermaking tank at the time of papermaking, whereby the pulp fibers in the used paper pulp suspension are floated. It is suppressed. The pulp fiber is restrained from being transferred from the storage tank to the overflow tank, stays in the storage section, and is efficiently made by the papermaking drum. Therefore, it is possible to minimize the amount of waste paper pulp suspension supplied into the papermaking tank when making a predetermined amount of paper.

  Furthermore, by providing a supply member at the top of the overflow tank, even if the pulp fibers remain attached to the bottom and side surfaces of the overflow tank, they are washed away by the water supplied from the supply member, thus preventing the pulp fibers from remaining. Can be recovered.

1 is a schematic diagram of a paper making apparatus according to an embodiment of the present invention. 1 is a schematic view of a papermaking tank according to an embodiment of the present invention. FIG. 3 is a bottom view of a supply member according to an embodiment of the present invention. 1 is a side view of a papermaking drum according to an embodiment of the present invention. It is aa sectional drawing of the papermaking drum in the used paper recycling apparatus of this invention.

  The present invention not only recycles waste paper and protects the resource environment, but also processes and recycles it at a waste paper generation site such as a business office in order to prevent information leakage, for example, to manufacture recycled paper such as toilet paper. It is a small waste paper recycling device that can be used. As illustrated in FIG. 1, the papermaking apparatus (1) is configured to suck a used paper pulp suspension into a papermaking tank (2) for storing the concentration-adjusted used paper pulp and a wound endless belt-shaped papermaking belt (5). It consists of a papermaking drum (3) that is conveyed while adsorbing.

  An embodiment of the papermaking apparatus (1) according to the present invention will be described with reference to FIG. 1. A used paper pulp suspension adjusted to a predetermined concentration in the previous step is supplied to a papermaking tank (2) by a supply pump (7). The papermaking pump (8) is operated simultaneously with the supply to the wastepaper pulp suspension supply port (9), and the pulp fiber is wound around the papermaking drum (3) by suction of the papermaking pump (8). The belt (5) is sucked and adsorbed to become wet paper. The wet paper sucked and adsorbed on the papermaking belt (5) is conveyed by the rotation of the papermaking drum (3) and the rotating part (4), transferred to the connecting belt (6), and further dried by moving through the drying part. It is transferred to a belt (not shown), dried by a drying unit while being conveyed by a drying belt, and collected as recycled paper by a winding unit.

  As shown in FIG. 2, at least the papermaking tank (2) is open at the top, and the used paper pulp suspension supply port (9) into which the concentration-adjusted used paper pulp flows, and the used paper pulp suspension is made into paper. A recovery port (12) that flows out of the tank (2), a supply member (13) for supplying water from the inside to prevent the pulp fibers in the used paper pulp suspension from floating above the papermaking tank (2), a papermaking tank ( 2) It consists of the supply member (14) which supplies the water which wash | cleans the pulp fiber adhering to the bottom face and side surface of the overflow tank to the upper part of the overflow tank (11) provided in the inside.

  In addition, the papermaking tank (2) is, through the partition plate (11), an inflow tank (10A) having a used paper pulp suspension supply port (9), a storage tank (10B) for storing the used paper pulp suspension, When the waste paper pulp suspension in the storage tank (10B) overflows beyond the partition plate (11), it is divided into an overflow tank (11) that keeps the water level in the storage tank (10B) constant. The inflow tank (10A) is provided for the purpose of uniformly storing the pulp fibers in the used paper pulp suspension flowing in from the used paper pulp suspension supply port (9). The waste paper pulp suspension in the inflow tank (10A) is sent to the storage tank (10B) by overflowing beyond the partition plate (11).

  As illustrated in FIG. 3, the supply members (13) and (14) are formed of a tubular tube member (15), and water flowing in the tube (preferably white water recovered in a small waste paper recycling apparatus) is used as a papermaking tank. (2) A supply port (16) for supplying to the waste paper pulp suspension is provided. In FIG. 3, a plurality of circular supply ports (16) are formed. However, if the pulp fiber can be prevented from floating or the overflow tank (11) can be washed, the supply port (16) may be singular. Any shape is acceptable. The supply ports (16) of the supply members (13) and (14) are preferably facing directly below.

  Moreover, the one side edge part of the pipe member (15) has engaged the tubular fixing member (17). The fixing member (17) is fixed to the wall surface of the papermaking tank (2), and water can be supplied into and out of the papermaking tank (2) via the fixing member (17). The opposite end of the pipe member (15) is configured to be fixed to the wall surface of the papermaking tank (2).

  The supply member (13) is provided in the upper part of the storage tank (10B) in the papermaking tank (2) as illustrated in FIGS. 1 and 2, and water is supplied to the waste paper pulp suspension in the storage section (10) during papermaking. Supply. The pulp fibers in the waste paper pulp suspension are pressed by the water supplied from the supply member (13) and suppressed from floating, so that it is difficult to transfer from the storage tank (10B) to the overflow tank (10C). The paper stays in the tank (10B) and is efficiently made on the papermaking belt (5) by suction of the papermaking drum (3). From the above, it becomes possible to minimize the amount of used paper pulp suspension supplied into the papermaking tank (2) when making a predetermined amount of paper, and the papermaking efficiency is increased.

  Since the supply member (14) is washed away by the water supplied from the supply member (14) even when the pulp fibers in the waste paper pulp suspension adhere to the bottom and side surfaces of the overflow tank (10C), the overflow tank ( 10C) can be cleaned. The wall of the overflow tank (10C) may be washed by supplying water directly from the supply member (14), or with the valve (not shown) in the path of the recovery port (12) closed. You may wash | clean by making water store in (10C) and opening the said valve | bulb and collect | recovering the stored water from a collection path. From the above, it becomes possible to prevent the pulp fibers from remaining, and the pulp fibers can be recovered.

  As shown in FIGS. 4 and 5, at least the paper drum (3) has a circular side plate (18), a doughnut-shaped fixing plate (19), a slicing bolt (20), a nut (21), a suction port ( 22) is provided with a tubular shaft (23) and a bearing (24). A papermaking belt (5) is wound around the papermaking drum (3). In FIG. 5, a plurality of suction ports (22) provided in the tubular shaft (23) are formed. However, any shape may be used as long as the used paper pulp can be sucked uniformly onto the papermaking belt (5). It is preferable that the suction port (22) always faces directly below.

  INDUSTRIAL APPLICABILITY The present invention has industrial applicability by establishing the technology of the papermaking device (1) in the small recycled paper recycling device, and implementing and selling the device based on the established technology.

DESCRIPTION OF SYMBOLS 1 Papermaking apparatus 2 Papermaking tank 3 Papermaking drum 4 Rotating part 5 Papermaking belt 6 Transfer belt 7 Supply pump 8 Papermaking pump 9 Used paper pulp suspension supply port 10A Inflow tank 10B Reservoir tank 10C Overflow tank 11 Partition plate 12 Collection port 13 Supply member 14 Supply member 15 Tube member 16 Supply port 17 Fixing member 18 Side plate 19 Fixing plate 20 Cutting bolt 21 Nut 22 Suction port 23 Tubular shaft 24 Bearing

Claims (3)

  A papermaking apparatus used in a small wastepaper recycling apparatus having a wastepaper pulp manufacturing process and a papermaking process for making wastepaper pulp, a papermaking tank for storing a wastepaper pulp suspension whose concentration has been adjusted, and a wound endless belt The papermaking drum transports the wastepaper pulp suspension while sucking and adsorbing, and a supply member for supplying water from the inside is provided at the top of the papermaking tank, and water is supplied to the wastepaper pulp suspension in the papermaking tank from the supply member. A paper making apparatus in a small used paper recycling apparatus, wherein the paper fiber suspension suppresses the floating of pulp fibers in the used paper pulp suspension.   The supply member which supplies water from the inside is provided in the upper part of the overflow tank provided in the papermaking tank, and water is supplied to the pulp fibers adhering to the bottom surface and the side surface of the overflow tank to clean. A paper making apparatus in the described small recycled paper recycling apparatus.   2. The paper making apparatus in the small used paper recycling apparatus according to claim 1, wherein the water supplied from the supply member is white water collected in the small used paper recycling apparatus.

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