JP2016047978A - Humidification treatment system for recycled paper - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a humidification treatment system for a recycled paper capable of adjusting a recycled paper produced from a waste paper by a waste paper recycling treatment device to a suitable state.SOLUTION: Provided is a humidification treatment system S for a recycled paper R comprising: a carrier part 9 where a recycled paper R obtained by subjecting a waste paper to recycling treatment is carried; and a humidification part 5 where moisture is fed to the recycled paper R carried by the carrier part 9. In the above constitution, testing equipment 41 of testing the quality of the recycled paper R is installed in the middle of a carrier passage, the testing equipment 41 is at least either one selected from a thermometer, a hygrometer, a whiteness tester for the recycled paper, a hardness tester, a thickness tester, a water content tester and a charging quantity tester, and further, in each constitution, a selecting part 6 of performing selection regarding the quality of the recycled paper R based on the testing result of the testing equipment 41 is provided.SELECTED DRAWING: Figure 1

Description

The present invention relates to a humidifying apparatus for humidifying recycled paper produced from waste paper by the used paper recycling processor.

Techniques for providing a humidifying unit in the apparatus for humidifying the paper are described in Patent Documents 1 to 3 below.

JP 2006-224428 A JP2013-256339 JP2014-91605

By the way, a recycled paper obtained by using waste paper as a raw material and reprocessing it may have an unstable moisture content. In particular, the moisture content tends to be unstable for recyclable paper manufactured using a small wastepaper recycling processing device that can be installed in offices, etc. When unstable recycled paper is printed by a printing machine such as a copying machine, printing failure and conveyance failure may occur due to the influence of static electricity.

In the devices described in Patent Documents 1 to 3, the humidifier is provided in a state of being built in the printing press. However, these cannot properly deal with the problems peculiar to recycled paper.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-described problems, and to provide a humidifying device for recycled paper that can adjust recycled paper produced from waste paper to an appropriate state by the used paper recycling processor.

  In order to achieve the above object, a recycled paper humidification apparatus according to the present invention supplies a moisture to the recycled paper transported by the transport unit that transports the recycled paper obtained by recycling the used paper, and the recycled paper transported by the transport unit. And a humidifying part.

  Moreover, in the said structure, the inspection apparatus which test | inspects the quality of a recycled paper was installed in the middle of the conveyance path.

  In the above configuration, the inspection device is at least one of a thermometer, a hygrometer, a recycled paper whiteness tester, a disaggregation tester, a thickness tester, a moisture content tester, and a charge amount tester. It is.

  Furthermore, in each of the above-described configurations, a sorting unit that performs sorting regarding the quality of recycled paper based on the inspection result of the inspection device is provided.

As described above, according to the present invention, since the transport unit that transports the recycled paper obtained by recycling the used paper and the humidifying unit that supplies moisture to the recycled paper transported by the transport unit, Recycled paper that is manufactured from wastepaper by a used paper recycling processor and whose water content tends to be unstable can be adjusted to an appropriate water content.

When an inspection device for inspecting the quality of recycled paper is installed in the middle of the conveyance path, the quality of the recycled paper can be inspected by the inspection device.

When the inspection device is at least one of a thermometer, a hygrometer, a recycled paper whiteness tester, a disaggregation tester, a thickness tester, a moisture content tester, and a charge amount tester The items required as the quality of recycled paper can be inspected.

Furthermore, the inspection device is at least one of a moisture content inspection device and a charge amount inspection device, and if the inspection device includes a control unit that controls the operation of the humidifying unit based on the inspection result of the inspection device, Based on the result, the control unit can adjust the necessity and amount of water supply to the recycled paper.

Furthermore, based on the inspection result of the inspection device, the sorting unit can sort the recycled paper that does not satisfy the reference value provided with the sorting unit that sorts the quality of the recycled paper.

1 is a schematic configuration diagram of a recycled paper humidification processing apparatus according to an embodiment of the present invention. It is the figure which looked at the longitudinal cross-section of the blowing part of the humidification processing apparatus of the said recycled paper, and the blower outlet of the blowing part from the downward direction. It is a top view of the operation part of the humidification processing apparatus of the said recycled paper. It is the structure schematic of the humidification processing apparatus of the recycled paper which concerns on other embodiment of this invention. It is a longitudinal cross-section of the blowing part of the humidification processing device of the recycled paper.

(First embodiment)
DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, a first embodiment of the invention will be described with reference to the drawings. FIG. 1 is a schematic diagram of the configuration of a humidifying device for recycled paper. For convenience of explanation, the upstream side in the transport direction F of the recycled paper R is referred to as “rear side” and the downstream side in the transport direction F is referred to as “front side”. . The horizontal direction orthogonal to the conveyance direction F will be described below as the “width direction”. As shown in FIG. 1, the apparatus main body 1 is provided with a paper feed unit 2 at the rear end and a paper discharge unit 3 at the front end. An inspection unit 4, a humidification unit 5, and a selection unit 6 are provided in a substantially middle portion in the front-rear direction in the apparatus main body 1.

A transport unit 9 is provided for nipping and transporting the recycled paper R along the transport path 8 of the recycled paper R from the paper feed unit 2 to the paper discharge unit 3 through the inspection unit 4, the humidifying unit 5, and the sorting unit 6. An operation unit 11 and a display unit 12 are provided at predetermined positions on the upper surface of the apparatus main body 1 of the recycled paper humidification processing apparatus S. An environment detection unit 13 that measures the temperature, humidity, and the like of the surrounding environment in which the recycled paper humidification processing apparatus S is installed is provided in a predetermined location inside the apparatus body 1 or outside the apparatus body 1.

A paper feed roller 21 and a separating plate 22 are disposed at the front end of the paper feed unit 2 so that the recycled paper R stacked on the paper feed table 23 is supplied to the downstream side one by one from the top. It has become. Note that recycled paper R obtained by recycling used paper is stacked on the paper feed tray 23.

The paper discharge unit 3 includes a first paper discharge unit 31 and a second paper discharge unit 32. The first paper discharge unit 31 is provided with a pair of first paper discharge rollers 34 and a first paper discharge table 35. The second paper discharge unit 32 is provided with a pair of second paper discharge rollers 36 and a second paper discharge table 37. The first paper discharge tray 35 and the second paper discharge tray 37 are arranged vertically. The first paper discharge roller 34 discharges the recycled paper R toward the first paper discharge tray 35. The second paper discharge roller 36 discharges the recycled paper R toward the second paper discharge tray 37.

The inspection unit 4 is provided on the downstream side of the paper feeding unit 2 and the upstream side of the humidifying unit 5. The inspection unit 4 has an inspection device 41 for inspecting the quality of the recycled paper R installed in the middle of the conveyance path 8. Various devices can be used as the inspection device 41. For example, a thermometer, a hygrometer, a whiteness tester for recycled paper, a disintegration tester, presence or absence of holes, contamination of scale, and quality of the formation Any one or more of inspection devices such as an inspection device, a thickness inspection device, a moisture content inspection device, and a charge amount inspection device can be used in combination. For example, a CCD camera, a line sensor installed in the width direction, or the like can be used as the whiteness tester, the disintegration tester, the presence / absence of holes, the presence / absence of water contamination, and the quality of the formation. As a thickness inspection device, for example, there is a mechanism that sandwiches and conveys recycled paper between a fixed roller and a movable roller biased by a spring toward the fixed roller, and detects the amount of movement of the movable roller by a sensor. Can be used.

These inspection devices 41 measure, for example, the temperature and humidity in the transport path 8 and the whiteness of the recycled paper as a result of the deinking ratio adjustment, presence / absence of disintegration failure, thickness, moisture content, charge amount, hole It is possible to inspect the quality of items such as presence / absence, presence / absence of scale contamination, and quality of the formation. Concerning the scale, the scale formed by gradually adhering to the inner wall surface of various pipes disposed in the apparatus of the used paper recycling processing apparatus (not shown) where the recycled paper R is manufactured becomes a small lump. And may adhere to the produced recycled paper R.

Depending on the type of the inspection device 41, it is possible to inspect the quality while transporting the recycled paper R by the transport unit 9, and if necessary, the transport of the recycled paper R by the transport unit 9 is temporarily stopped, It is also possible to inspect the quality by bringing the inspection device 41 into contact with the recycled paper R or the like. For example, for a contact-type moisture content tester, by providing a moving means for moving the moisture content tester along the transport path 8, the moisture content tester can be moved at the same speed as the transport speed of the recycled paper R by the transport unit 9. The moisture content may be inspected by contacting the surface of the recycled paper R while moving along the conveyance path 8. Alternatively, after the conveyance of the conveyance unit 9 is stopped, the moisture content tester may be brought into contact with the recycled paper R for a predetermined time to inspect the moisture content.

The humidifying unit 5 supplies moisture to the recycled paper R transported on the transport path 8 by the transport unit 9. The humidification unit 5 includes a humidification processing unit 51, a moisture supply device 52, a blowing unit 54, and a water supply amount adjusting means 53. The humidification processing unit 51 is configured by a space area of the transport path 8 of the recycled paper R between the paper feeding unit 2 and the paper discharge unit 3, and is partitioned from the peripheral space by a box-shaped partition member 64.

The moisture supply device 52 includes a moisture supply source 66, a moisture supply path 67, a compressed air supply source 68, a compressed air supply path 69, and an additive supply unit 70. The moisture supply source 66 includes a water tank 72. The water tank 72 stores water to be supplied to the humidification processing unit 51.

An additive can be added to the water stored in the water tank 72 by the additive supply unit 70. The additive supply unit 70 includes an additive storage tank 73, an additive supply path 74, and an additive amount adjustment unit 75. The additive stored in the additive storage tank 73 is stored in the water tank 72 through the additive supply path 74 by its own weight by opening a valve as the additive amount adjusting unit 75 at a predetermined timing. Added. The opening / closing operation of the valve as the additive amount adjusting unit 75 may be performed manually or automatically. Additives added to water include antistatic agents, surfactants, fragrances, deodorants, antibacterial agents, sterilizers, bactericides, disinfectants, deodorants, stabilizers, anti-wrinkle agents, etc. Can be mentioned.

The moisture supply path 67 is constituted by a first pipe 77 such as a hose. One end of the first pipe 77 is connected to the lower part of the water tank 72, and the other end of the first pipe 77 is connected to the blowing part 54. The compressed air supply source 68 includes a compressor. The compressed air supply path 69 is configured by a second pipe 78 such as a rubber tube. One end of the second pipe 78 is connected to a compressor as the compressed air supply source 68, and the other end is connected to the blowout part 54.

The blowing unit 54 is installed in the humidification processing unit 51. The blowing unit 54 includes a nozzle 80. The nozzle 80 is installed in the vicinity of the lower part of the upper plate 89 of the partition member 64 with the air outlet 82 facing downward. Although not shown, a plurality of nozzles 80 are arranged side by side in the width direction of the recycled paper R being conveyed. The moisture supply path 67 and the compressed air supply path 69 are installed in a plurality of branches near the downstream end of the moisture supply path 67 and the compressed air supply path 69. A plurality of outlets 54 are connected to the pipes of the branched water supply path 67 and compressed air supply path 69, respectively. The blowing unit 54 is installed directly above the recycled paper R that is transported in a substantially horizontal plane. By providing a plurality of blow-out units 54 in the width direction of the recycled paper R being conveyed, it is possible to spray moisture from above on the entire width direction of the upper surface of the recycled paper R conveyed on the conveyance path 8.

FIG. 2A shows an enlarged schematic view of the internal structure of the blowing portion 54. In the first embodiment, the blowout portion 54 is constituted by a two-fluid nozzle. The blowing unit 54 includes a blowing body 83. A connection opening 84 to which the second pipe 78 is connected via a joint 59 is formed in the upper part of the blowout body 83. The connection opening 84 constitutes a compressed air inflow portion 86 into which the compressed air from the compressed air supply path 69 flows.

In addition, a connection opening 85 to which the first pipe 77 is connected via a joint 58 is formed on the right side surface of the blowout body 83 in FIG. The connection opening 85 constitutes a water inflow portion 87 into which moisture from the moisture supply path 67 flows. An air outlet 82 is provided at the lower part of the air outlet body 83. The air outlet 82 has a narrow inner diameter so that a mixture of compressed air and water is blown out at a predetermined speed.

A channel 94 through which compressed air, water, and a mixture thereof circulate is formed inside the blowout body 83. The flow path 94 includes a compressed air flow path 95 through which compressed air flowing from the compressed air inflow section 86 flows, a water flow path 96 through which water flowing in from the water inflow section 87 flows, a compressed air flow path 95 and a water flow path 96. Is provided with a mixing flow path 98 through which a mixture of compressed air and water is sent from a confluence 97 where the gas flows to the outlet 82. The inner wall surface of the lower part of the mixing channel 98 is formed in a tapered shape in which the length in the conveying direction F by the conveying unit 9 is gradually narrowed, and compressed air and water flowing through the mixing channel 98 as the cross-sectional area decreases. The flow rate of the mixture becomes faster.

FIG.2 (b) is the figure which looked at the blower outlet 82 from the downward direction. The air outlet 82 is formed long in the width direction of the recycled paper R. Thus, moisture can be supplied to a predetermined range in the width direction of the recycled paper R. In addition, by providing a plurality of nozzles 80 constituting the blowing portion 54 in the width direction, moisture can be supplied to the entire width of the recycled paper R. Then, as in the case where the air outlet 82 has a true circular shape, the lower part of the central portion of the air outlet 82 is supplied with the most water, and as the distance from the center increases, the supply amount of water does not decrease, and the entire width direction decreases. It is possible to supply moisture almost uniformly.

The water supply amount adjusting means 53 shown in FIG. 1 is configured by a valve 76 provided in the middle of the compressed air supply path 69. The water supply amount adjusting means 53 adjusts the amount of water supplied to the humidification processing unit 51 by adjusting the supply amount of compressed air. Instead of or in addition to this, a valve 90 provided in the middle of the moisture supply path 67 may be configured as the water supply amount adjusting means 53. In this case, the amount of water supplied to the water inflow portion 87 is adjusted by adjusting the opening degree of the valve 90 provided in the moisture supply path 67, and then supplied to the humidification processing portion 51 by the negative pressure of the compressed air. The amount of water that is produced may be adjusted.

The sorting unit 6 sorts the quality of the recycled paper R based on the inspection result of the inspection device 41. The sorting unit 6 includes a sorting member 61 and a sorting drive unit (not shown). The sorting member 61 includes a sorting plate 62 and a swing shaft 63. As shown by a solid line in FIG. 1, the sorting plate 62 is installed along the conveyance surface that forms the conveyance path 8. The sorting plate 62 can swing around the swing shaft 63. The sorting plate 62 swings downward by a predetermined angle as shown by a two-dot chain line in FIG. When the sorting plate 62 is in the horizontal posture, the recycled paper R conveyed through the conveyance path 8 is sent to the first paper discharge unit 31. On the other hand, when the sorting plate 62 is inclined downward by a predetermined angle by driving the sorting drive unit, the recycled paper R conveyed on the conveyance path 8 is guided downward, It is sent to the second paper discharge unit 32.

The transport unit 9 includes a plurality of transport rollers 91 installed along the transport path 8 of the recycled paper R. The conveyance roller 91 installed on the downstream side of the humidifying unit 5 can be a roller that holds the entire recycled paper R in the width direction. However, instead of this, a roller divided into a plurality of parts in the width direction of the recycled paper R to be conveyed may be used. As a result, the contact area with the recycled paper R can be reduced as compared with the case where a conveying roller that sandwiches the entire width of the recycled paper R is used, and the moisture supplied to the recycled paper R by the humidifying unit 5 is conveyed. Transfer to the roller 91 can be suppressed. Further, by holding the recycled paper R between the transport rollers 91, it is possible to suppress the moisture from being scattered around. In addition, sensors 92 are installed at a plurality of locations on the transport path 8 from the paper feed tray 23 of the paper feed section 2 to the paper discharge tray 23 of the paper discharge section 3, and the transport state of the recycled paper R is detected at any time and monitored. Is done.

Next, the operation unit 11 and the display unit 12 of the recycled paper humidification apparatus S will be described with reference to FIG. The operation unit 11 includes a humidification amount setting unit 15, a quality setting unit 16, a conveyance speed adjustment unit 17, a humidification position setting unit 18, a process start operation unit 19, and the like, a numeric keypad 25, a liquid crystal display unit 26, and the like. Is provided. The humidification amount setting unit 15 sets the humidification amount of the recycled paper R in the humidification unit 5. The quality setting unit 16 sets a reference for determining whether the sorting unit 6 discharges the paper to the first paper discharge unit 31 or the second paper discharge unit 32 with respect to the quality of the recycled paper R inspected by the inspection unit 4. Set. The conveyance speed adjustment unit 17 sets the conveyance speed of the recycled paper R by the conveyance unit 9. The humidification position setting unit 18 sets the position of the recycled paper R to be humidified by the humidification processing unit 51 in the vertical direction or the horizontal width direction. The processing start operation unit 19 starts and stops the operation of the recycled paper humidification processing device S. Further, the liquid crystal display unit 26 is configured to serve as both the operation unit 11 and the display unit 12.

Next, a main control configuration of the recycled paper humidification processing apparatus S will be described. The control unit 29 includes a CPU (central processing unit), an I / O (input / output) port, a ROM (read-only storage device), a RAM (read / write storage device), a timer, and the like, which are not shown. A microcomputer having a configuration connected by a signal bus is provided. The control unit 29 is provided in a control board arrangement unit in the apparatus main body 1 of the recycled paper humidification processing apparatus S.

Based on various signals from the operation unit 11, detection signals from the various sensors 92, detection signals from the environment detection unit 13, operation programs called from the ROM, and related data, the control unit 29 It has the function of controlling the controlled object drive means.

The ROM stores in advance an operation program of the entire recycled paper humidification processing apparatus S, necessary relation data, and the like, and this operation program is appropriately called by the CPU. The RAM has a function of temporarily storing calculation results of the CPU, a function of storing data signals and ON / OFF signals set and input from various buttons and various sensors on the operation unit 11 as needed. Yes.

In addition, the control unit 29 has a function of controlling the operation of the humidifying unit 5 based on either the inspection result of the inspection device 41 or the value detected by the environment detection unit 13. When the value of the test result by the moisture content tester is smaller than a predetermined value, or when the value of the test result of the charge amount tester is larger than a predetermined value, the control unit 29 When the measurement result of the hygrometer installed in either or both of the detection units 13 is lower than a predetermined value set in advance, or the measurement result of the thermometer installed in either or both of the inspection device 41 and the environment detection unit 13 When it is lower than the set predetermined value, the humidifying unit 5 can be controlled to supply moisture to the recycled paper R in the humidifying unit 5.

Alternatively, when the value of the test result by the moisture content tester is smaller than the predetermined value set in advance, the control unit 29 is inspected when the value of the test result of the charge amount tester is larger than the predetermined value set in advance. 41 or when the measurement result of the hygrometer installed in either or both of the environment detection unit 13 is lower than a predetermined value set in advance, or the measurement of the thermometer installed in either or both of the inspection device 41 and the environment detection unit 13 When the result is lower than a predetermined value set in advance, it is possible to control so that the moisture supply amount to the recycled paper R in the humidifying unit 5 is larger than a predetermined reference amount.

In Japan, humidity tends to decrease in winter when the temperature is low, and humidity increases in summer when the temperature is high. Therefore, when the measured value of the thermometer is lower than the predetermined value, it is determined that the humidification process is performed by assuming that the humidity is in a lowered state, or the humidification process for supplying more moisture than the predetermined reference amount is performed. it can. Further, instead of the measured value of the thermometer 29, a calendar function may be provided in the apparatus main body 1, and the humidification condition may be determined based on the current season.

Further, the control unit 29 can control the operation of the sorting unit 6 so as to sort the quality of the recycled paper R based on the inspection result of the inspection device 41. That is, according to the inspection result of the inspection device 41, when the quality of the recycled paper R does not satisfy the predetermined reference value, the control unit 29 drives the sorting drive unit and sets the sorting plate 62 in the inclined posture, so that the conveyance path 8 can be controlled to guide the recycled paper R conveyed on the top 8 to the second paper discharge unit 32. Here, a value preset in the apparatus can be used as a reference value to be referred to in the determination. Further, when the user sets the desired state using the quality setting unit 16, the reference value set by the user is used.

Hereinafter, the operation in the first embodiment will be described. The recycled paper R stacked on the paper feed tray 23 has a height such that the uppermost recycled paper R out of the plurality of recycled paper R on the paper feed tray 23 comes into contact with the paper feed roller 21 by lifting means (not shown). Adjusted. The control unit 29 rotates and feeds the paper feed roller 21 at a predetermined timing, so that the uppermost recycled paper R among the plurality of recycled papers R stacked on the paper feed table 21 with the separating plate 22 is used. Are separated one by one and fed onto the conveying path 8 toward the downstream side.

The recycled paper R supplied by the paper feed roller 21 is detected by the sensor 92 in the transport path 8. Thereafter, the recycled paper R is inspected by the inspection unit 4 by the inspection device. The inspection signal is transmitted to the control unit 29. Upon receiving the inspection signal, the control unit 29 determines whether the quality of the recycled paper R being conveyed satisfies a predetermined standard set in advance based on the inspection result of the inspection device 41.

In particular, when the inspection device 41 is a moisture content inspection device or a charge amount inspection device, the control unit 29 performs inspection when the value of the inspection result by the moisture content inspection device is smaller than a predetermined value set in advance or when the charge amount inspection device is inspected. Only when the value of the result is larger than a predetermined value set in advance, it can be determined that the humidifying unit 5 needs to humidify. Further, if necessary, the control unit 29 adjusts the amount of moisture supplied to the recycled paper R in the humidifying unit 5, and when the moisture content is lower than a predetermined value or the charge amount is higher than a predetermined value, a preset reference amount It can be controlled to supply more water.

In addition, the control unit 29 also controls the humidifying unit 5 when the humidity of the surrounding environment based on the measured value of the hygrometer installed in either or both of the inspection device 41 and the environment detecting unit 13 is lower than a predetermined value set in advance. It is possible to control the humidifying unit 5 to supply moisture to the recycled paper R, and to control the supply amount of moisture to be greater than a predetermined reference value as necessary. And when the temperature of the surrounding environment based on the measured value of the thermometer installed in either or both of the inspection device 41 and the environment detection unit 13 is lower than a predetermined value set in advance, or according to the calendar function of the apparatus main body 1. For example, when the current season is a season in which the humidity is likely to decrease, the control unit 29 controls the humidifying unit 5 to supply moisture to the recycled paper R in the humidifying unit 5, and adjusts the supply amount of moisture as necessary. Control can be performed so that the reference value is larger than a predetermined reference value.

The recycled paper R enters the partition member 64 by the conveyance of the conveyance unit 9, and moisture is supplied to the recycled paper R by the humidifying unit 5. At that time, the control unit 29 operates the compressed air supply source 68 at a predetermined timing, for example, after a predetermined time has elapsed since the detection result of the recycled paper R passing from the sensor 92 is received. Then, the control unit 29 opens a predetermined amount of the valve 76 provided in the compressed air supply path 69.

By opening the valve 76 after the operation of the compressed air supply source 68, the compressed air flows from the compressor through the second pipe 78 to the compressed air inflow portion 86 of the blowout body 83. In the blowout body 83, the compressed air enters the compressed air channel 95 from the compressed air inflow portion 86, and circulates to the mixing channel 98 through the junction 97 with the water channel 96. Compressed air that has flowed from the mixing channel 98 into the outlet 82 is accelerated when passing through the mixing channel 98 having a gradually reduced cross-sectional area, and is blown out from the outlet 82 at a predetermined flow velocity and pressure.

A negative pressure is generated in the water passage 96 by the flow of the compressed air passage 95 and the mixing passage 98 of the compressed air. Due to this negative pressure, water stored in the water tank 72 is sucked and flows into the water inflow portion 87 through the first pipe 77.

The water flowing into the water inflow portion 87 is mixed with the compressed air at the junction 97 of the compressed air channel 95 and the water channel 96. The water mixed with the compressed air flows into the outlet 82 together with the compressed air, and is blown out from the outlet 82 at a high speed. In addition, the magnitude | size of the opening part at the front-end | tip of the blower outlet 82 is set to the width | variety which becomes high speed when compressed air passes the blower outlet 82 according to the capability of a compressor. In addition, the amount of compressed air flowing from the compressed air supply source 68 into the blow-out portion 54 is adjusted by automatically or manually adjusting the opening degree of the valve 76 constituting the water supply amount adjusting means 53. And it is also possible to adjust the supply amount of the water | moisture content which flows in into the blowing part 54 from the moisture supply source 90 by adjusting the valve | bulb 90 provided in the middle of the moisture supply path | route 67 automatically or manually. Thus, the amount of moisture supplied to the recycled paper R by the humidification processing unit 51 can be adjusted.

The atmosphere in the space area of the transport path 8 for the recycled paper R is humidified by the water blown from the blow-out unit 54. And the humidity in the partition member 64 rises.

As described above, the moisture content is supplied to the recycled paper R whose moisture content is reduced or the charge amount is increased due to the influence of outside air, etc., so that the moisture content can be adjusted to an appropriate moisture content. . As described above, since the moisture content of the recycled paper R is adjusted, the recycled paper R can be immediately printed by a copying machine or another printing machine, and the occurrence of printing failure or conveyance failure can be suppressed. . In particular, recycled paper R produced by a small used paper recycling apparatus that can be installed in an office or factory may have a high charge amount or a low moisture content. In the winter when the humidity is low, when the recycled paper R manufactured by such a small waste paper recycling processing apparatus is printed by a copying machine, a printing defect is likely to occur, such as an image not being properly formed. Therefore, an appropriate image can be formed on the recycled paper R by using the recycled paper humidifier S according to the present embodiment.

Further, since the water tank 72 contains the additive supplied by the additive supply unit 70, this additive is included in the water that is transported from the water tank 72 to the blowing unit 54 and supplied toward the recycled paper R. It will be that. Thus, the functions of each additive, that is, antistatic, deodorant, deodorant, antibacterial, sterilization, sterilization, sterilization, wrinkle prevention and the like can be imparted to the recycled paper R.

In addition, by supplying moisture so as to be sprayed toward the upper surface of the recycled paper R conveyed through the conveyance path 8, the recycled paper R can be reliably and efficiently absorbed by moisture. In particular, when the control unit 29 is controlled to automatically adjust the opening degree of the valve 76 by setting the humidification amount desired by the user in the humidification amount setting unit 15, the user can simply operate the button. A recycled paper R in a desired state can be obtained. In addition, the user can operate the transport speed adjusting unit 17 to adjust the transport speed of the recycled paper R when passing through the humidification processing unit 51. This makes it possible to supply moisture to the recycled paper R according to the conditions desired by the user, such as when it is desired to finish the processing in a short time or when it is desired to supply moisture sufficiently to the recycled paper R even if it takes some time. Can be very convenient.

And since the blowing part 54 is comprised by the two-fluid nozzle, the water | moisture content which blows off from the blower outlet 82 can be made into a very small thing with a mist-like particle size. Therefore, it is possible to suppress the occurrence of waves and wrinkles on the recycled paper R.

Further, when the user wants to supply moisture only to a predetermined area of the recycled paper R, the range is set by the humidification position setting unit 18. The control unit 29 controls the humidification unit 5 to humidify the range set by the humidification position setting unit 18.

For example, in the season when it is easy to dry, if the copier being used tends to be particularly defective in printing for a predetermined range such as the first half of the paper or a range of a third from the left end, the user may be humidified. The position setting unit 18 is used to set the moisture to be supplied to a predetermined range such as the first half of the recycled paper R or a one-third range from the left end. Then, for example, the control unit 29 drives the compressed air supply source 68 only while the front half of the recycled paper R sent to the humidification processing unit 51 passes just below the blowing unit 54, and the latter half part is Control to stop the compressed air supply 68 or close the valve 76. Thus, moisture is supplied only to the first half of the recycled paper R conveyed by the conveyance unit 9, and no moisture is supplied to the latter half because no compressed air is supplied.

In addition, for example, when the control unit 29 wants to supply moisture only to a range of one third of the recycled paper R from the left end, among the plurality of nozzles 80 installed in the width direction, one third from the left end. It was provided in the middle of the second pipe 78 that supplies water only to the nozzle 80 that blows out water toward the range, and supplies compressed air to each nozzle 80 so as not to supply water to the other nozzles 80. It is controlled by opening / closing operation of a valve (not shown). Thus, moisture can be supplied only to the left half of the recycled paper R.

For example, when the area to be printed is biased to a predetermined range of the recycled paper R, the user uses the humidification position setting unit 18 to set so as to supply more moisture to the predetermined range of the recycled paper R. You can also. For example, when the predetermined range of the recycled paper R passes just below the blowing unit 54, the control unit 29 performs control so that more moisture is blown out than when another portion passes. As a result, it is possible to supply more moisture within the predetermined range of the recycled paper R than at other locations.

In this way, the amount of water supplied from the blowing unit 54 is adjusted manually or automatically by the water supply amount adjusting means 53. The adjustment of the water supply amount by the water supply amount adjusting means 53 is included in the recycled paper R according to the temperature or humidity of the apparatus body 1 or outside air, the thickness or quality of the recycled paper R, the type of used paper, or the like. Depending on the type and amount of the additive, the temperature or humidity of the atmosphere in the space area of the inspection unit 4 or the humidification processing unit 51, or wet paper in a used paper recycling processing apparatus (not shown) for manufacturing the recycled paper R is absorbed. The travel distance of the water-absorbing belt that is being conveyed, the pressing force of the press roller that presses and dehydrates the wet paper, the heating temperature of the drying device that dries the wet paper, and the like can be used as indicators.

Based on the calendar function, thermometer and hygrometer in the device body 1 or according to the user's judgment, depending on the seasonal environmental conditions such as the winter season when the atmosphere is dry and the summer season when the atmosphere is humid, It can be adjusted by the water supply amount adjusting means 53 so as to supply a necessary amount of water to the recycled paper R.

The recycled paper R conveyed downstream from the partition member 64 of the humidification processing unit 51 is sent to the sorting unit 6 by the conveyance roller 91 installed on the downstream side of the humidification processing unit 51. In the sorting unit 6, when the control unit 29 determines that the quality of the recycled paper R satisfies a predetermined reference value based on the inspection result of the inspection device 41, the sorting plate 62 is set in a horizontal posture. The recycled paper R is conveyed on the sorting plate 62 in the horizontal posture, and is discharged onto the first paper discharge tray 35 by the first paper discharge roller 34.

On the other hand, when the quality of the recycled paper R does not satisfy the predetermined standard, the control unit 29 drives the sorting drive unit, swings the sorting plate 62 downward with the swinging shaft 63 as an axis, and takes the inclined posture. To do. As a result, the recycled paper R conveyed from the humidifying unit 5 is nipped and conveyed by the second paper ejection roller 36 and guided onto the second paper ejection tray 37.

For example, when the inspection device 41 is a whiteness tester for recycled paper, the overall color tone or the black spot due to the residual toner is determined based on the image captured by the imaging device, the light transmission amount measured by the line sensor, or the like. The whiteness is digitized by a number or the like, and compared with a predetermined reference value set in advance. When the inspection result does not satisfy the reference value, the control unit 29 drives the sorting drive unit, and discharges the recycled paper R whose whiteness does not satisfy the reference value to the second paper discharge tray 37. Thus, it can be separated from the recycled paper R placed on the first paper discharge tray 35 that satisfies the reference value.

Further, when the inspection device 41 is a disintegration degree inspection device, similarly to the whiteness inspection device, based on the amount of transmitted light detected by an image photographed by the photographing device or the line sensor, the location of insufficient disaggregation is determined. Check for presence. Then, the inspection result is compared with a predetermined reference value set in advance, and when it is determined that the inspection result does not satisfy the predetermined disaggregation quality, the control unit 29 drives the sorting drive unit, and the disaggregation degree becomes the reference value. Unsatisfied recycled paper R is discharged to the second paper discharge tray 37.

In addition, when the inspection device 41 is a quality inspection device for each item such as presence / absence of holes, presence / absence of water contamination, quality of formation, etc., similarly to the above, an image photographed by a photographing device or light detected by a line sensor Based on the rate of change in the amount of permeation, etc., the presence / absence of holes, the presence / absence of scale contamination, and the quality of the formation are inspected. Then, the inspection result is compared with a predetermined reference value set in advance, and when it is determined that the predetermined quality is not satisfied according to the inspection result, the control unit 29 drives the selection driving unit, and the disaggregation degree is the reference value. Recycled paper R less than 2 is discharged to the second paper discharge tray 37.

Both the first paper discharge tray 35 and the second paper discharge tray 37 are gradually lowered by the lifting / lowering means (not shown) as the amount of the recycled paper R to be placed increases.

(Second Embodiment)
Next, a second embodiment will be described. FIG. 4 is a schematic diagram of the configuration of a recycled paper humidification processing apparatus Sa according to the second embodiment. In the first embodiment, the blowing portion 54 is a two-fluid nozzle in which compressed air and moisture merge. However, in the second embodiment, only the moisture flows into the nozzle 80a constituting the blowing portion 54a. One fluid nozzle. In the second embodiment, the water tank 72a is sealed. The water tank 72a is installed at a position lower than the blowing part 54a. The water tank 72a is filled with water up to a predetermined height. One end of a first pipe 77a that constitutes the water supply path 67a is connected to a predetermined location in the lower part of the water tank 72a that is filled with water. The other end of the first pipe 77a is connected to the water inflow portion 87a of the blowout portion 54a.

Furthermore, one end of a compressed air supply path 69a constituting the moisture supply device 52a is connected to the upper part of the water tank 72a. The compressed air supply path 69a is configured by a second pipe 78a. The other end of the compressed air supply path 69a is connected to a compressed air supply source 68a constituting the moisture supply device 52a.

When the compressor as the compressed air supply source 68a is driven, the air from the compressed air supply source 68a is supplied to the space filled with the air not filled with the water in the upper part of the water tank 72a via the second pipe 78a. The Since the water tank 72a is sealed, the pressure of the air filled in the upper space is increased. With this air pressure, the water filled up to a predetermined height in the water tank 72a flows into the first pipe 77a from the water tank 72a, reaches the humidification processing section 51a, and is blown out from the blowing section 54a.

FIG. 5 is an enlarged view of the outline of the internal configuration of the blowing portion 54a. A connection opening 85a to which the first pipe 77a is connected via a joint 58a is formed at the upper part of the blowing body 83a of the blowing part 54a. The connection opening 85a constitutes a water inflow portion 87a into which moisture from the moisture supply path 67a flows. A water channel 96a through which moisture flows is provided inside the blowout body 83a. The inner wall surface of the lower part of the water channel 96a is formed in a tapered shape in which the length in the transport direction F by the transport unit 9 is gradually narrowed, and the flow rate of water flowing through the water channel 96a increases as the cross-sectional area decreases. .

A water supply amount adjusting means 69a is installed in the tapered portion inside the blowout body 54a. The water supply amount adjusting means 69a is constituted by a closing member 99 that can close the water flow path 96a. The lower part of the closing member 99 is formed in a tapered shape having the same shape so as to be able to close the tapered portion of the blowing body 83a. The closing member 99 can be moved between the upstream side and the downstream side in the direction of water flow in the water channel 96a by a moving means (not shown). The closing member 99 adjusts the amount of water blown out from the outlet 82a by moving in the water channel 96a by the moving means. When the closing member 99 is moved by the moving means and reaches the lowest position, the water channel 51 a is closed by the closing member 99. At this time, moisture is not blown out from the blowing portion 54a.

On the other hand, when the control unit 29 controls the driving of the moving means and raises the closing member 99 as the water supply amount adjusting means 69a to the upstream side in the flow direction of the predetermined amount of water, the inner surface of the outlet body 83a and the water supply amount adjusting means A gap is formed between the outer surface of 69a. Moisture that has passed through this gap is blown out toward the recycled paper R from the blowout port 82a.

In this 2nd Embodiment, since the blowing part 54a was made into the one fluid nozzle, there exists an advantage that it can manufacture cheaply.

In the first embodiment, a plurality of outlets 54 are arranged in parallel in the width direction of the recycled paper R conveyed through the conveyance path 8, but only one may be installed. Moreover, although the space area | region of the process part 51 was covered with the partition member 64, the partition member is not necessarily required. In addition, the inspection device 41 for inspecting the quality of the recycled paper R is installed in the middle of the conveyance path, but the inspection device 41 is not provided, and a certain amount of moisture is given to all the recycled paper on the sheet feeding table or a user setting. The amount of water adjusted by may be supplied. Moreover, although the additive supply part was provided, it is not necessary to provide an additive supply part. Moreover, although the water supply source 66 includes the water tanks 72 and 72a, the water supply may be used as the water supply source by directly connecting the first pipe to the tap.

Further, although the water supply amount adjusting means 53 and 53a are provided, the water supply amount adjusting means may not be provided, and a predetermined amount of water may be supplied to the recycled paper. Further, in the first embodiment, the water supply amount adjusting means 53 is configured by a valve 76 or a closing member, and in the second embodiment, the tapered closing member 99 is provided so as to be movable, but other configurations are used. May be. For example, the water supply amount may be adjusted by providing a plurality of water tanks and changing the installation height of each tank or by moving one water tank up and down to change the installation height. Moreover, when water supply is used as a water supply source, the opening of the water tap may be adjusted. In addition, although the sorting unit 6 is provided, the sorting unit may not be provided, and all recycled paper may be discharged to one discharge tray without sorting recycled paper. In addition, although the two discharge trays, the first discharge tray and the second discharge tray, are provided, three or more may be provided, or one may be provided. In the case where there is one sheet discharge table, the inspection result of the inspection device may be notified to the user by a notification means such as light or sound.

R recycled paper, S recycled paper humidification processing device, 6 sorting section, 9 transport section, 5 humidification section, 41 inspection equipment, 29 control section.

Claims (5)

An apparatus for humidifying recycled paper, comprising: a transport unit that transports recycled paper obtained by recycling used paper; and a humidifying unit that supplies moisture to the recycled paper transported by the transport unit. 2. The recycled paper humidification apparatus according to claim 1, wherein an inspection device for inspecting the quality of the recycled paper is installed in the middle of the conveyance path. The inspection device is at least one of a thermometer, a hygrometer, a recycled paper whiteness tester, a disaggregation tester, a thickness tester, a moisture content tester, and a charge amount tester. The recycled paper humidification apparatus according to claim 2. The recycled paper according to claim 2, wherein the inspection device is at least one of a moisture content inspection device and a charge amount inspection device, and includes a control unit that controls the operation of the humidifying unit based on the inspection result of the inspection device. Humidification equipment. 5. The recycled paper humidification apparatus according to claim 2, further comprising: a sorting unit configured to sort recycled paper quality based on an inspection result of the inspection device.

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