JP2012233288A - Waste paper processing apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a waste paper processing apparatus capable of reducing electricity charges required for processing waste paper.SOLUTION: A waste paper processing apparatus 1 includes: an agitation tank 32; a waste paper processing section 15 including a post-processing section 9 for post-processing a water-containing agitated material of waste paper 10 obtained in the agitation tank 32; and a control section 8 for controlling the operation of the waste paper processing section 15. The control section 8 includes a priority setting section 836 for setting priorities on periods and/or times of a day in order from the lowest unit price of electricity charges to higher unit prices when the unit prices of a commercial power source, which supplies electric power to at least the waste paper processing section 15, are different according to the periods and/or times of a day under contract with an electric power company. The control section 8 operates the waste paper processing section 15 according to the priorities set by the priority setting section 836.

Description

  The present invention relates to a used paper processing apparatus.

2. Description of the Related Art Conventionally, a technique for producing recycled paper by disaggregating waste paper to prepare waste paper pulp and making the resulting waste paper pulp liquid with a papermaking net is known. In the following Patent Document 1, a waste paper pulp manufacturing section that dissects a waste paper cut paper piece to prepare a waste paper pulp liquid, a deinking section that bleaches the waste paper pulp liquid, and a waste paper pulp liquid after deinking by a paper net There is disclosed a waste paper processing apparatus that is integrally provided with a paper making section for making paper and drying to prepare recycled paper.

JP 2009-299228 A

In the used paper processing apparatus shown in the above-mentioned Patent Document 1, there is a fear that the electricity bill of consumed power becomes very high.

The present invention solves the above-described problems, and an object of the present invention is to provide a used paper processing apparatus capable of reducing the electricity bill required for used paper processing at a low cost.

  In order to achieve the above object, a used paper processing apparatus according to the present invention is provided with a stirring tank for adding and stirring a used paper, and a post-processing section for post-processing a water-containing stirred product of the used paper obtained in the stirring tank. A used paper processing apparatus comprising a used paper processing unit and a control unit for controlling the operation of the used paper processing unit, wherein at least the unit price of the commercial power supply for supplying power to the used paper processing unit is A priority setting unit that assigns priorities in the order of periods and / or time periods in which the unit price is cheap when the contract differs depending on the period and / or time zone, and the control unit has the priority order given by the priority order setting unit The waste paper processing unit is operated based on

Further, in the above configuration, a processing amount setting unit for setting a processing amount of used paper in a predetermined period is provided, and the control unit has an operation time required for processing the amount of used paper set by the processing amount setting unit, The used paper processing unit is operated by allocating in order from the period and / or time zone in which the priority is set higher in the priority setting unit.

Further, the used paper processing apparatus according to the present invention includes a stirrer for adding water to the used paper and stirring, and a used paper processing unit provided with a post-processing unit for post-processing the water-containing stirrer of the used paper obtained in the stirring tank, A used paper processing apparatus including a control unit that controls the operation of the used paper processing unit, and at least an allowable electric charge of power consumed in a predetermined period for an electric charge of a commercial power source that supplies power to the used paper processing unit An upper limit setting unit to be set is provided, and the control unit operates the used paper processing unit based on the amount set in the upper limit setting unit.

In the above configuration, the control unit calculates the electricity charge necessary for the operation of the used paper processing unit from the power consumed by the operation of the used paper processing unit for a predetermined time and the unit price of the electricity charge. The used paper processing unit is operated based on the amount.

Further, in each of the above-described configurations, the control unit calculates the electric charge of the actually consumed power from the electric power actually consumed by the operation of the used paper processing unit for a predetermined time and the unit price of the electric charge, and obtains the result of the calculation. The used paper processing unit is operated based on the amount of money.

Further, in each of the above-described configurations, when the unit price of the electricity rate varies depending on the period and / or time zone due to the contract with the electric power company, a priority order setting unit that gives priority in order of the period and / or time zone in which the unit price is low The control unit operates the used paper processing unit based on the priority order given by the priority order setting unit.

Further, the used paper processing apparatus according to the present invention comprises a stirrer tank for adding water to the used paper for agitation and a post-processing unit for post-processing a water-containing stirred product of the used paper obtained in the agitation tank; A used paper processing apparatus comprising a control unit that controls the operation of the used paper processing unit, and a temperature detection unit that detects an ambient temperature of the used paper processing unit, and a criterion for determining the operation of the used paper processing unit A temperature setting unit configured to set a temperature range, and the control unit operates the used paper processing unit based on the detected temperature of the temperature detecting unit and the set temperature range of the temperature setting unit.

Furthermore, in the above configuration, when the unit price of the commercial power supply for supplying power to at least the waste paper processing unit varies depending on the period and / or time period according to the contract with the power company, the period and / or time period where the unit price is low. A priority order setting unit that assigns priorities to the priority order, and the control unit operates the used paper processing unit based on the priority order given by the priority order setting unit.

Furthermore, in each of the above-described configurations, an upper limit amount setting unit that sets an allowable electric charge amount of power consumed in a predetermined period for at least an electricity charge of a commercial power source that supplies power to the used paper processing unit, and the control unit includes an upper limit amount The used paper processing unit is operated based on the amount set in the setting unit.

Further, each of the above-described configurations includes a stop condition setting unit for setting at least a period, day of the week, date, or time zone during which the operation of the used paper processing unit is stopped.

In the waste paper processing apparatus according to the present invention, the priority setting unit assigns priorities in the order of periods and / or time periods in which the unit price of electricity charges is low, and the control unit sets the priorities assigned by the priority setting unit. Since the waste paper processing unit is operated based on the power consumption, the operation time of the waste paper processing unit is increased during the period and / or time period when the unit price of the electricity charge with a high priority set is low, while the power charge with a low priority set. The operating time of the used paper processing unit can be shortened in a period and / or time zone in which the unit price is high. Therefore, the electricity bill required for waste paper processing can be suppressed.

  In addition, the control unit sequentially operates from the period and / or time zone in which the priority is set higher in the priority setting unit for the operation time required to process the amount of used paper set in the processing amount setting unit. When allocating and operating the used paper processing unit, it is possible to reduce the electricity charge required to process the target amount of used paper.

In addition, when the used paper processing unit is operated based on the amount set in the upper limit setting unit, the control unit can easily manage the cost required for used paper processing.

In addition, the control unit calculates the electricity charge required for the operation of the used paper processing unit from the power consumed by the operation of the used paper processing unit for a predetermined time and the unit price of the electricity charge, and based on the obtained estimated amount When operating the used paper processing unit, it is possible to easily determine whether or not the charge of power consumed by operating the used paper processing unit exceeds the amount set in the upper limit setting unit.

In addition, the control unit calculates the electricity bill of the actually consumed power from the power actually consumed by the operation of the waste paper processing unit for a predetermined time and the unit price of the electricity bill, and based on the amount obtained as a result of the computation. When operating the used paper processing unit, it is possible to more accurately determine whether or not the charge of power consumed by operating the used paper processing unit exceeds the amount set in the upper limit setting unit.

When the unit price of the electricity bill varies depending on the period and / or time zone due to the contract with the electric power company, the control unit includes a priority order setting unit that gives priority in order of the period and / or time zone in which the unit price is low. When the used paper processing unit is operated based on the priority order given by the priority order setting unit, the operating time of the used paper processing unit is lengthened and the priority order is set for the period and / or time zone in which the priority is set high. The operation time can be shortened in the period and / or time zone set low. Therefore, more waste paper can be processed based on the upper limit of the electricity bill.

A temperature detection unit; and a temperature setting unit. The control unit operates the waste paper processing unit based on the temperature detected by the temperature detection unit and the set temperature range of the temperature setting unit. The waste paper processing can be controlled to be performed only when the ambient temperature is high and the waste paper processing efficiency is good, and the processing amount of the waste paper with respect to the consumed power can be increased.

Further, when operating the used paper processing unit based on the detected temperature of the temperature detecting unit and the set temperature range of the temperature setting unit, the control unit sets the used paper processing unit based on the priority order given by the priority order setting unit. In operation, in an environment where the ambient temperature is high and the used paper processing efficiency is good, it is possible to control to perform used paper processing in preference to a time zone where the electric charge is low, and the electric charge can be further reduced.

In addition, when operating the used paper processing unit based on the temperature detected by the temperature detecting unit and the set temperature range of the temperature setting unit, the control unit sets the used paper processing unit within the range of the amount set in the upper limit setting unit. In the case of operation, waste paper processing can be performed based on the upper limit of the electricity bill in an environment with high ambient temperature and good waste paper processing efficiency, and the electricity bill can be further reduced.

Further, when the stop condition setting unit is provided, the user can freely set a condition for stopping the operation of the used paper processing unit.

1 is a schematic configuration diagram of a used paper processing apparatus according to an embodiment of the present invention. FIG. 2 is a schematic configuration diagram of a used paper supply unit of the used paper processing apparatus. It is the structure schematic of a part of used paper supply part and the used paper pulp manufacturing part of the said used paper processing apparatus. It is a top view of the deinking part of the used paper processing apparatus. It is the structure schematic of the papermaking part of the said used paper processing apparatus. It is a block diagram of the control part of the used paper processing apparatus. It is a flowchart of the said control part. It is a block diagram of the control part of the used paper processing apparatus which concerns on other embodiment of this invention. It is a flowchart of the said control part. It is a block diagram of the control part of the used paper processing apparatus which concerns on further another embodiment of this invention. It is a flowchart of the said control part. It is a block diagram of the control part of the used paper processing apparatus which concerns on further another embodiment of this invention. It is a flowchart of the said control part. It is a block diagram of the control part of the used paper processing apparatus which concerns on further another embodiment of this invention. It is a flowchart of the said control part. It is a block diagram of the control part of the used paper processing apparatus which concerns on further another embodiment of this invention.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a schematic configuration diagram of a used paper processing apparatus according to the present invention. In FIG. 1, the used paper processing apparatus 1 includes a used paper processing unit 15 and a control unit 8. The used paper processing unit 15 includes a used paper supply unit 2, a used paper pulp manufacturing unit 3, a storage unit 4, a deinking unit 5, a paper making unit 6, and a finishing unit 7. The storage unit 4, the deinking unit 5, the paper making unit 6, and the finishing unit 7 constitute a post-processing unit 9 that post-processes the water-containing stirred product of the used paper obtained in the stirring tank 32 of the used paper pulp manufacturing unit 3.

(Waste Paper Supply Department)
FIG. 2 is a schematic configuration diagram of the used paper supply unit 2. The used paper supply unit 2 includes a separation transport unit 21, a shredder unit 22, a shredded waste storage unit 23, and a shredded waste transport unit 24. The separating and conveying unit 21 includes a mounting table 211, and separates the uppermost used paper 10 out of the used paper 10 placed on the mounting table 211 and conveys it to the shredding unit 22. The shredded portion 22 includes a pair of shredded blades 221. The shredded waste storage unit 23 stores the generated shredded waste 11. The shredded waste transport unit 24 transports the shredded waste 11 discharged downward from the lower part of the shredded waste storage unit 23 to the used paper pulp manufacturing unit 3 by an air flow. The shredded waste transport unit 24 includes a blower 241, a transport duct 242, and a cyclone 243 for discharging shredded waste 11 shown in FIG.

(Recycled Paper Pulp Production Department)
FIG. 3 is a schematic configuration diagram of the used paper pulp manufacturing unit 3. The used paper pulp manufacturing unit 3 includes a measuring unit 31 and a stirring tank 32. The weighing unit 31 measures the weight of the shredded waste 11 transported by the shredded waste transporting unit 24. The agitation tank 32 is for adding water to the waste paper 10 for agitation treatment. In the stirring tank 32, the shredded scraps 11 after measurement are charged, and water is supplied from a water supply unit (not shown). In the lower part of the agitation tank 32, there are provided an agitation means 34 for agitating the shredded waste 11 and water, and a take-out part 35 for taking out used paper pulp liquid as a water-containing agitation product produced by the agitation of the agitation means 34.

(Reservoir)
The storage unit 4 shown in FIG. 1 temporarily stores the used paper pulp liquid sent from the used paper pulp manufacturing unit 3 and supplies it to the deinking unit 5 on the downstream side, and includes a storage tank (not shown).

(Deinking part)
FIG. 4 shows a plan view of the deinking unit 5. The deinking unit 5 includes a deinking tank 51, a blade 53, and a foam receiving tank 55. The deinking tank 51 performs a deinking process by separating toner components and the like from the used paper pulp liquid, and distributes the used paper pulp liquid. The blade 53 causes the bubbles floating above the deinking tank 51 to overflow from the peripheral wall of the deinking tank 51 and sweep it out. The foam receiving tank 55 is provided so as to surround the outer periphery of the deinking tank 51. The foam receiving tank 51 receives the foam swept out by the blade 53. At the bottom of the deinking tank 51, an inflow section 56 that allows the used paper pulp liquid sent from the used paper pulp manufacturing section 3 to flow into the deinking tank 51, and an outflow section that causes the used paper pulp liquid after the deinking process to flow out. 57.

(Paper making)
FIG. 5 is a schematic configuration diagram of the paper making unit 6. The paper making unit 6 includes a head box 61, a wire unit 62, a dehydrating unit 63, and a drying unit 64. The head box 61 includes a box-shaped storage portion 611, a waste paper pulp liquid inflow portion 614 having a pipe 613 connected to the lower portion of the storage portion 611, and a waste paper pulp liquid overflowing from the storage portion 611, and a wire portion 62. And an outflow portion 615 for flowing out.

The wire part 62 includes a papermaking net 621. The papermaking net 621 is configured by an endless mesh belt and is stretched around a plurality of rollers 622. In FIG. 5, the right roller 622 a is connected to the wire driving unit 623, and the net 621 travels around by the driving of the wire driving unit 623.

Waste paper pulp liquid is allowed to flow out from the outflow portion 615 of the head box 61 on the upper surface of the paper net 621, and drained by the paper net 621 to form the wet paper 12 forming a fiber layer. A water receiving portion 624 that receives water flowing down from the mesh of the papermaking net 621 traveling on the upper side is provided inside the papermaking net 621. The water receiving unit 624 is connected to a white water tank (not shown) and guides the received water to the white water tank.

The dewatering unit 63 has a water absorption belt 631. The water absorption belt 631 is made of felt or the like, and is stretched around a plurality of rollers 632 and a press roller 634b. The water absorbing belt 631 conveys the wet paper 12 transferred from the papermaking net 621, absorbs moisture from the wet paper 12, and dehydrates it.

The drying unit 64 includes a drying belt 641, a canvas 642, and a drying roller 643. The drying belt 641 conveys the wet paper 12 transferred from the water absorption belt 631. The drying belt 641 is stretched around a roller 645, a press roller 634a, and a drying roller 643.

  A dehydrating unit 633 is provided at a contact portion between the water absorbing belt 631 and the drying belt 641. The dehydrating means 633 includes a pair of press rollers 634a and 634b, and the pair of press rollers 634a and 634b presses and dehydrates the wet paper 12 sandwiched between the water absorbing belt 631 and the drying belt 641. The wet paper 12 that has passed through the dehydrating unit 633 is transferred from the water absorbing belt 631 to the drying belt 641.

In FIG. 5, an upper press roller 634a is connected to a press drive unit 637 and rotates by driving the press drive unit 637, and a lower press roller 634b rotates following the rotation of the upper press roller 634a. Then, the water absorption belt 631 and the drying belt 641 are caused to travel as the press rollers 634a and 634b rotate.

The canvas 642 is made of resin having a net shape, and is stretched over a plurality of rollers 646. The canvas 642 sandwiches and transports the wet paper 12 with the drying belt 641 and presses the wet paper 12 against the drying roller 643 via the drying belt 641 to dry it. In FIG. 5, the upper roller 646 a on the right side is connected to the canvas drive unit 647, and the canvas 642 travels around by the drive of the canvas drive unit 647.

The drying roller 643 is rotatably supported by a plurality of support shafts 650. A heating unit 648 is provided inside the drying roller 643. An electric heater or the like can be used as the heating means 648. The drying roller 643 is provided with a contact-type temperature sensor 649, and the surface temperature of the drying roller 643 is detected by the temperature sensor 649.

(Finishing part)
The finishing section 7 shown in FIG. 1 has a calendar section and a cutting section (not shown), the calendar section includes a plurality of press rollers for increasing the flatness of the paper, and the cutting section converts the paper into a predetermined sheet size. A cutting blade (not shown) for cutting is provided.

FIG. 6 is a block diagram of the control unit 8 of the used paper processing apparatus 1. The used paper processing apparatus 1 is provided with an operation unit 71 that receives various input operations including start and stop of operation of the used paper processing apparatus 1 from the user and sends them to the control unit 8. The operation unit 71 includes a touch panel type liquid crystal display that also serves as the display unit 72, a numeric keypad, various buttons, a switch, and the like.

The control unit 8 includes an operation control unit 81, an internal clock 82, an operation condition setting unit 83, an operation calculation unit 84, and a storage unit 85. The operation control unit 81 controls the entire operation of the used paper processing unit 15 including the used paper supply unit 2, the used paper pulp manufacturing unit 3, the storage unit 4, the deinking unit 5, the paper making unit 6, and the finishing unit 7. The operation control unit 81 hydrates and stirs the used paper 10 and performs a post-treatment on the obtained water-containing stirrer to produce the recycled paper 13, and a cleaning process for cleaning each part. And a control unit 812.

The internal clock 82 inputs an instruction signal to the operation control unit 81 when the operation start time and the operation stop time are reached. Instead of the internal clock 82, an instruction signal issued when an external clock arranged outside the control unit 8 reaches a predetermined time or an instruction signal issued from an external device may be input from the input port.

The operation condition setting unit 83 sets the operation condition of the used paper processing unit 15 and sets information related to the operation condition input by the user from the operation unit 71. The operating condition setting unit 83 includes a stop condition setting unit 830, a processing amount setting unit 834, and a saving setting unit 835.

The stop condition setting unit 830 sets at least a period, a date, or a time zone during which the operation of the used paper processing unit 15 is stopped. The stop condition setting unit 830 includes a stop date setting unit 831. The stop date setting unit 831 sets a day of the week and a date for stopping the operation of the used paper processing unit 15 due to reasons such as a company holiday. Is. The stop date setting unit 831 stops specific dates such as holidays, national holidays, summer holidays, and long-term holidays during the year-end and New Year holidays, and a day of the week setting unit 832 that sets a fixed day of the week such as Saturday or Sunday as a stop day. A date setting unit 833 for setting the date.

The processing amount setting unit 834 sets the processing amount of the used paper 10 in a predetermined period. As a processing amount setting method, for a predetermined period such as one year or one month, a method of setting the size of the used paper 10 such as A4 and the number of sheets to be processed as a processing amount, or a method of setting the weight of the used paper 10 as a processing amount. Etc.

The saving setting unit 835 sets conditions for making the electricity bill required for processing the waste paper 10 cheaper than during normal operation. The saving setting unit 835 includes a priority order setting unit 836. In the priority order setting unit 836, when the unit price of the commercial power supply for supplying power to the used paper processing unit 15 varies depending on the period and / or time zone according to the contract with the power company, the period with the lower unit price and / or Give priority in order of time zone. The unit price of electricity charges may be different for each season, for example, during the summer period from July to September and during the non-summer period. The unit price is higher than the period. For this reason, the priority order setting unit 836 includes a period setting unit 837 that divides a year into a plurality of periods and gives a priority order to the divided periods.

Table 1 below shows that in the period setting unit 837, the period other than the summer from October 1 to June 30 is given the highest priority, and the summer period from July 1 to September 30 is given the priority 2. A case is shown in which two periods are set.

The operation calculation unit 84 performs a calculation for operating the used paper processing unit 15 based on the priority given by the priority setting unit 836. Specifically, the operation time required to process the amount of used paper 10 set in the processing amount setting unit 834 is calculated, and the obtained operation time is set to a higher priority in the priority setting unit 836. Arithmetic is performed in order from the specified period. Then, the used paper processing unit 15 is operated by the operation control unit 81 according to the calculation result obtained by the operation calculation unit 84.

FIG. 7 shows an example of a flow for the operation calculation unit 84 to allocate the operation time of the used paper processing unit 15 based on the setting of the operation condition setting unit 83. First, in S1, the number of working days per month is calculated based on the day of the week and date set in the stop date setting unit 831. As a result, for example, from April 1 to June 30 and from October 1 to March 31 that have the highest priority in Table 1 in one year from April 1 to March 31 Suppose that the number of working days per month for the period up to is as shown in Table 2 below.

Next, in S2, the operation time is calculated. At that time, for example, the processing amount setting unit 834 is set to process 1 million sheets per year, and the recycled paper production control unit 811 operates the used paper processing unit 15 for 8 hours to obtain 2500 sheets. It is assumed that the used paper 10 can be processed. Then, the cleaning control unit 812 performs the cleaning process of the used paper processing unit 15 for one hour every operation for 8 hours in order to prevent clogging of the used paper pulp in a pipe or a pump. From this, it is assumed that there is an ability to process 2500 sheets of used paper 10 in 9 hours including the cleaning process.

In order to process 1 million sheets set in the processing amount setting unit 834 for one year from April 1 to March 31, when 9 hours for processing 2,500 sheets are calculated as one set, 1,000,000 sheets / 2,500 sheets × 9 hours = 3,600 hours, that is, one year of operation time is 3,600 hours.

In S3, 3,600 hours calculated as one year of operation time are allocated according to the priority set in the period setting unit 837. Since one day is 24 hours, the number of days required for 3,600 hours of operation is 3,600 hours / 24 hours = 150 days. From Table 2, the total number of working days in April, May, June, October, November, December, and January is 140 days. Subtracting 140 days from 150 days results in 10 days.

Therefore, all the days set as the working days in April, May, June, October, November, December, and January among the periods set with the first priority in the period setting unit 837 By operating for 10 days in February, the processing amount set in the processing amount setting unit 834 can be achieved. Under this condition, waste paper processing is not performed during the period in which the priority order is set to the second place by the period setting unit 837.

Here, the operation is interrupted for a long period during the summer period from July 1 to September 30 in which the priority is second. If liquid is stored in the waste paper processing unit 15, it may cause problems such as decay of waste paper pulp liquid and white water, clogging of piping and pumps due to drying of waste paper pulp.

Therefore, after the cleaning process by the cleaning control unit 812 performed after 15:00 on the last working day in June, the recycled paper production control unit 811 does not perform new waste paper processing. Furthermore, it is preferable to discard all the cleaning liquid used in the cleaning process of each unit in the cleaning process by the cleaning control unit 812. A method of calculating the time at which the cleaning process by the cleaning control unit 812 after 15:00 on June 30 is completed will be described. First, the last working day in June is the 61st day from the start of operation in April. Assuming that the operation ends at 24:00 on the last operating day of June, the cumulative operating time from April is 24 hours × 61 days = 1,464 hours. Next, since the time for completing the cleaning process every 8 hours is 1,464 hours / 9 hours = 162 sets, too much 6 hours, 24 hours−6 hours = 18 hours, that is, 18 in the last working day of June. Sometimes it can be seen that the cleaning process is complete.

Therefore, on the final working day in June, the operation of the used paper processing unit 15 by the operation control unit 81 is stopped at 18:00. The operation is resumed on the first operation day in October. For 6 hours of unprocessed paper 10 that has not been processed on the last operation day in June, increase the operation day in February to 11 days, operate for 6 hours on this 11th day, and stop operation become.

When the operation by the operation control unit 81 is interrupted for some reason, such as when there is a paper jam inside the apparatus or when there is a shortage of used paper 10 placed on the mounting table 211, the control unit 8 The resumption time is stored in the storage unit 85, and the operation calculation unit 84 calculates the interrupted time based on the information stored in the storage unit 85, and adds the amount of time the used paper processing is interrupted to the operation time in February. You may do it. Thereby, even when an error occurs, the processing of the processing amount set by the processing amount setting unit 834 can be achieved.

The operation of the above configuration will be described below. When operating the used paper processing apparatus 1, the user inputs operating conditions of the used paper processing unit 15 from the operation unit 71. Here, when the user does not input the operation condition, the control unit 8 does not perform the operation based on the setting of the operation condition setting unit 83, and immediately after the user presses the operation start button, the used paper processing After the operation of the unit 15 is started and all the used paper 10 placed on the placement table 211 has been processed, the operation is stopped after performing a cleaning process if necessary.

When the operating condition is set, the control unit 8 operates the used paper processing unit 15 based on the setting of the operating condition setting unit 83. Specifically, the used paper processing unit 15 is operated on the operating day obtained as a result of the calculation by the operation calculating unit 84. At that time, the recycled paper production control unit 811 separates the uppermost used paper 10 out of the used paper 10 placed on the placing table 211 shown in FIG. 2 one by one by the separating and conveying unit 21 and conveys it to the shredding unit 22. Shredding is performed by a pair of shredding blades 221. After the generated shredded waste 11 is stored in the shredded waste storage section 23, the blower 241 is driven so that the shredded waste transport section 24 transports the shredded waste 11 to the measuring section 31 of the used paper pulp manufacturing section 3 shown in FIG. 3. To do.

The weighing unit 31 measures the weight of the shredded waste 11 transported by the shredded waste transporting unit 24 and discharged from the discharge cyclone 243, and when the weight of the shredded waste 11 reaches a predetermined amount, the blower 241 Is stopped and the conveyance of the shredded waste 11 is temporarily stopped. Then, the shredded scraps 11 after weighing are put into the stirring tank 32. Thereafter, water is supplied from the water supply unit to the agitation tank 32 and the agitation means 34 is operated to perform a disaggregation process to prepare a used paper pulp liquid as a water-containing stirred product of used paper.

The prepared waste paper pulp liquid is taken out from the take-out unit 35 and sent to the storage unit 4. Shredded waste 11 is newly put into the empty agitation tank 32, and the second batch-type disaggregation process is started.

In the storage unit 4 shown in FIG. 1, the waste paper pulp liquid is temporarily stored and continuously supplied to the subsequent deinking unit 5 at a predetermined flow rate. At that time, the control unit 8 supplies all the used paper pulp liquid obtained by the first disaggregation process stored in the storage tank to the deinking unit 5, and before the used paper pulp liquid in the storage unit 4 runs out, the used paper In the pulp manufacturing unit 3, the waste paper pulp liquid obtained by the second disaggregation process is controlled to flow into the storage tank. As a result, the waste paper pulp liquid can be continuously stored in the storage tank without interruption and continuously supplied to the deinking unit 5.

The waste paper pulp liquid sent from the storage unit 4 to the deinking unit 5 is circulated in the deinking tank 51 shown in FIG. 4 and is sent to the papermaking unit 6 shown in FIG. In the paper making unit 6, the waste paper pulp liquid after deinking flows into the head box 61 and is supplied from the outflow unit 615 to the upper surface of the papermaking net 621 to form the wet paper 12 which is a uniform fiber layer. The water flowing down from the screen net 621 is received by the water receiving unit 624 and stored in the white water tank.

As shown in FIG. 1, the white water in the white water tank is subjected to removal of foreign matters by a filter, separation of ink, toner, etc., addition of chemicals, neutralization treatment, etc. It is circulated to the water supply unit and reused.

The wet paper 12 formed on the papermaking net 621 shown in FIG. 5 is transferred to the water absorbent belt 631 at the contact portion between the papermaking net 621 and the water absorbent belt 631, and the water contained in the wet paper 12 by the water absorbent belt 631. Is absorbed and dehydrated. When the wet paper 12 reaches the installation position of the dewatering means 633, the wet paper 12 is pressed from both sides by the pair of press rollers 634a and 634b and dehydrated with the wet paper 12 being sandwiched between the water absorbing belt 631 and the drying belt 641. In addition, the water absorption belt 631 is transferred to the drying belt 641.

The wet paper 12 transferred to the drying belt 641 is sandwiched between the canvas 642 and, in this state, is pressed against the drying roller 643 via the drying belt 641 and dried. At this time, the surface temperature of the drying roller 643 is detected by the temperature sensor 649. The control unit 8 compares the surface temperature of the drying roller 643 sent from the temperature sensor 649 with a preset temperature, and controls to maintain the surface temperature of the drying roller 643 at a preset temperature.

The recycled paper 13 before finishing exiting the drying unit 64 is passed between a plurality of press rollers (not shown), thereby improving the flatness of the recycled paper 13 before finishing, and further, with a cutting blade, a predetermined sheet size. The recycled paper 13 is completed.

The end material of the recycled paper 13 cut by the cutting blade is returned to the shredded waste storage portion 23 as shown in FIG. 1 and is used again for manufacturing the recycled paper 13.

The washing control unit 812 supplies washing water to the agitation tank 32 that stores or distributes used paper pulp liquid, the storage tank, the deinking tank 51, the foam receiving tank 55, the head box 61, and the pipes, pumps, valves, and the like that connect them. The used paper processing unit 15 is cleaned by distributing and discharging to the outside. As washing water, white water in white water tank or tap water such as tap water is used.

As described above, the priority setting unit 836 assigns priorities in order of periods and / or time zones in which the unit price of electricity charges is low, and the control unit 8 uses the waste paper based on the priorities assigned by the priority setting unit 836. The processing unit 15 is activated. As a result, during the period when the unit price of the electricity charge set with a high priority is low, the operation time of the waste paper processing unit 15 is lengthened, while the unit price of the electricity charge in the summer or the like set with a low priority is higher than in other periods. During the high period, the operation time of the used paper processing unit 15 can be made shorter than other periods. Therefore, the electricity bill required for waste paper processing can be reduced.

In addition, the control unit 8 sets the period setting of the priority setting unit 836 with respect to the operation time required for processing the amount of used paper 10 input by the user from the operation unit 71 and set in the processing amount setting unit 834. In the unit 837, the used paper processing unit 15 is operated in order from the period in which the priority order is set high, so that the target amount of used paper can be processed while reducing the electricity charge required for the used paper processing.

(Second Embodiment)
A second embodiment of the used paper processing apparatus according to the present invention will be described below. In the first embodiment, the stop condition setting unit 830 includes the stop date setting unit 831. However, in the second embodiment, in addition to this, as shown in FIG. A stop time setting unit 838 for setting a stop time zone is provided. The configuration other than the addition of the stop time setting unit 838 is the same as that in the first embodiment.

The stop time setting unit 838 sets a time zone during which the operation of the used paper processing apparatus 1 is stopped outside business hours. The stop time and the restart time input by the user using the numeric keypad of the operation unit 71 are set in the stop time setting unit 838.

FIG. 9 shows an example of a flow when the operation calculation unit 84 allocates the operation time in the second embodiment. The operation calculation unit 84 first calculates the operation time of one day based on the setting of the stop time setting unit 838 in S11. For example, if the stop time setting unit 838 is set to stop the waste paper processing unit 15 from midnight to 6:00 in the morning, the daily operation time is 18 hours from 6:00 to 24:00.

Next, based on the day of the week and date set in the stop date setting unit 831 in S12, the number of working days per month is calculated, and the working days are as shown in Table 2. In S13, the operation time for one year is calculated. At that time, similarly to the first embodiment, it is assumed that the processing amount setting unit 834 is set to process 1 million sheets in one year, and the used paper processing unit 15 is 2 in 9 hours including the cleaning processing time. Assuming that 500 waste papers 10 can be processed, the annual operation time is 3,600 hours.

In S14, the 3,600 hours are allocated according to the priority set by the period setting unit 837. The number of working days during the nine months of April, May, June and October, November, December, January, February and March, when the priority is set to 1st in the period setting unit 837 2 is a total of 181 days, and the operation time of the day is 18 hours from the result of S11. Therefore, the operation time of the first priority is 18 hours × 181 days = 3,258 hours. Incidentally, the amount of used paper 10 that can be processed during the period in which the priority is first is 2,500 sheets / 8 hours × 16 hours × 181 days = 905,000 sheets.

If the operating time of the period with the highest priority is subtracted from the operating time of one year, it will be 3,600 hours−3,258 hours = 342 hours. The amount of used paper 10 is 1,000,000 sheets-905,000 sheets = 95,000 sheets. Since the waste paper 10 for 342 hours in operation time cannot be processed in the operation in the first priority period, the waste paper 10 is allocated to be processed in the period in which the priority is set to the second or lower. The number of working days in the period with the second highest priority is 342 hours / 18 hours = 19 days.

As a result, the amount of used paper 10 set in the processing amount setting unit 834 is processed by performing the operation for 18 hours per day for 19 days in the second period in addition to all the operation days in the period of the first priority. can do. Thus, for example, it will operate for 19 days in July and will not operate at all in August and September. Also, instead of the operation only in July, if the operation is allocated and allocated evenly for the 3 months with the second highest priority, 19 days / 3 months = 6 days or less, for example, July It will operate for 7 days and 6 days in August and September.

(Third embodiment)
A third embodiment of the used paper processing apparatus according to the present invention will be described below. In the first and second embodiments, the priority order setting unit 836 includes the period setting unit 837, and based on the setting of the period setting unit 837, the used paper processing unit 15 is preferentially used from the period when the power charge is low in one year. Was configured to operate. On the other hand, in the third embodiment, instead of the period setting unit 837, the priority order setting unit 836 divides a day into a time zone in which the unit price of the electric charge is different, and a plurality of divided time zones. Among these, a time zone setting unit 839 for assigning priorities in the order of time zones in which the unit price of the electricity rate is low is provided. The rest of the configuration except that the period setting unit 837 is the time zone setting unit 839 includes all the same configurations as in the second embodiment.

Depending on the content of the contract with the power company, the unit price of the electricity bill may differ depending on the time zone, for example, the daytime zone from 8:00 to 22:00 and the nighttime zone from 22:00 to 8:00 the next day . Furthermore, only in the summer, there may be a case where another unit price is set in which the heavy load time zone from 10 o'clock to 17:00 when the power load is high in the daytime time zone is even higher. In this way, when different unit prices are set for both the season and the time zone, the time zone setting unit 839 performs classification in consideration of both the season and the time zone, and the electricity rate is low. Priorities are given in order from the period and time zone. Table 3 below shows an example of a setting method of the time zone setting unit 839.

In Table 3, the time zone from 22:00 in the evening to 8:00 in the morning of the following day is set to the highest priority throughout the year. The time zone from 8:00 to 22:00 is set to the second highest priority for the period from October 1 to June 30. For the summer period from July 1 to September 30, the time zone from 8 o'clock to 10 o'clock, 17 o'clock to 22 o'clock, and daytime from 10 o'clock to 17 o'clock in order is the third highest priority Set to 4th and 5th place respectively.

In the third embodiment, instead of the annual processing amount of the first and second embodiments, the processing amount setting unit 834 sets the processing amount of the waste paper 10 for one month. It is assumed that the processing amount of the used paper 10 in June is set to the A4 size 100,000 sheets and the processing amount setting unit 834.

The operation calculation unit 84 calculates the required operation time based on the setting of the processing amount setting unit 834, and assigns the obtained operation time in the order of higher priority according to the setting of the time zone setting unit 839. Then, the operation time zone is calculated, and the operation control unit 81 operates the used paper processing unit 15 according to the obtained calculation result.

FIG. 11 shows a flow of a calculation method of the operation calculation unit 84 according to the third embodiment. As shown in the figure, first, in S21, an operation time for one day is calculated. As in the second embodiment, when the stop time setting unit 838 is set to stop the waste paper processing unit 15 from midnight to 6:00 in the morning, the operation time is 18 hours from 6:00 to 24:00. .

Next, in S22, the number of working days per month is calculated. As in the first embodiment, the operation day is calculated based on the setting of the stop date setting unit 831. For example, in Table 2, the number of operation days in a month is 22 days in June. In S23, the operation time is allocated. At that time, out of 6 to 24 o'clock that is the working time of the day, from 6 o'clock to 8 o'clock belonging to 2 o'clock in the morning of the next day from 8 o'clock in the morning of the first priority in Table 3, It is assumed that the time zone from 22:00 to 24:00 always operates on the working day obtained in S22.

Multiplying the total of 4 hours in the time zone with the highest priority by 22 days, which is the number of working days in a month, gives 4 hours × 22 days = 88 hours. In the case of the used paper processing unit 15 that can operate for 8 hours except for the cleaning time and can process 2,500 sheets, the processing amount per hour is 2,500 sheets / 8 hours = 312.5 sheets / hour, that is, per hour. 312.5 sheets can be processed. The amount that can be processed in one month in the time zone with the highest priority is 312.5 × 88 = 27,500.

The remaining number of processed sheets is 100,000 sheets-27,500 sheets = 72,500 sheets. In Table 3, among the time zones in which the priority ranking is set to the second or higher in the time zone setting unit 839, the priority ranking is set to the second highest in June, and the time zone is 14 from 8 o'clock to 22:00. It's time. Since the time zone with the highest priority has already been determined to operate on the operating day, when operating in the time zone with the second highest priority, operate in both the time zones with the first and second priority. It becomes. In this case, the operating time of the day is 18 hours from 6 o'clock to 24 o'clock, and during that time, it is assumed that the cleaning process is performed twice an hour, and this 2 hours is 14 hours, which is the second highest priority time zone. Subtract from.

As a result, the amount of used paper 10 that can be processed by running for 12 hours a day in the second highest priority time zone is 312.5 sheets / hour × 12 hours = 3,750 sheets. The number of working days is calculated for the time zone with the second highest priority. Since the processing amount in the second highest priority time zone is 72,500 sheets, 72,500 sheets / 3,750 sheets / hour = 19 days, 1,250 sheets. That is, the operation is performed for 19 days, and on the 20th day, 1,250 sheets / 312.5 sheets / hour = 4 hours, that is, processing is performed for 4 hours in the time zone having the second highest priority.

Therefore, in June, the first day to the 19th day are operated from 6 o'clock to 24 o'clock, the 20th day from 6 o'clock to 12 o'clock, temporarily interrupted at 12 o'clock, resumed at 22 o'clock, Sometimes ends. On the 21st and 22nd day, it operates for 4 hours from 6 o'clock to 8 o'clock and from 22 o'clock to 24 o'clock.

In this case, the total processing time from the 20th to the 22nd is 16 hours. However, this does not include cleaning time. Therefore, for example, two cleaning processes are performed 8 hours after the start of operation on the 20th day and 1 hour before the end of the 22nd day of the final day. For example, if 2 hours of this cleaning process is added to the operation time on the 20th day, the operation on the 20th day starts at 6 o'clock in the morning and starts the operation of the waste paper processing unit 15 and then stops until 14:00. You may do it.

Even if the month for setting the processing amount of the used paper 10 in the processing amount setting unit 834 is not June but July, as in the case of June described above, The remaining amount excluding the processing amount due to this operation is sequentially allocated to the time zone of the third priority or lower to calculate the operation time, and the operation control unit 81 uses the waste paper based on the calculation result. The processing unit 15 is activated.

(Fourth embodiment)
A fourth embodiment of the used paper processing apparatus according to the present invention will be described below. FIG. 12 shows a block diagram of the fourth embodiment. In the fourth embodiment, the used paper processing apparatus 1 is newly provided with a power measuring unit 73. Then, an upper limit amount setting unit 841 is provided instead of the processing amount setting unit 834 in the second embodiment, and a period unit price setting unit 842 is provided instead of the period setting unit 837.

The power measuring unit 73 measures the power supplied from the commercial power source to the used paper processing unit 15 and the control unit 8. A commercially available product is used for the power measuring unit 73. However, instead of a commercially available product, an ammeter and a voltmeter may be installed in the used paper processing unit 15 and the electric energy may be calculated based on these measured values.

The upper limit amount setting unit 841 sets an allowable electric charge amount of electric power consumed in a predetermined period for at least an electric charge of a commercial power source that supplies electric power to the used paper processing unit 15. The predetermined period is a certain period such as one year or one month. An allowable electricity charge amount of power to be consumed is input by the user using the operation unit 71. Then, the operation calculation unit 84 of the control unit 8 performs a calculation for operating the used paper processing unit 15 so as to process more used paper 10 within the range of the amount set in the upper limit setting unit 841. The operation control unit 81 operates the used paper processing unit 15 based on the obtained calculation result.

The period unit price setting unit 842 is provided in the priority order setting unit 836. In this period unit price setting unit 842, when the unit price of the electricity charge varies depending on the period due to the contract with the electric power company, priority is given in the order of the period with the lowest unit price. This period unit price setting unit 842 is the same as setting the unit price of the electricity bill for each period assigned with the priority by the period setting unit 837 in the first embodiment.

Therefore, for example, the electricity rate per kWh set by the contract with the electric power company may be set in each period in which the priority order shown in Table 1 is given in the first embodiment. In Table 4 below, the period unit price setting unit 842 sets 11 yen for the period from October 1 to June 30 in the first priority, and from July 1 to September 30 in the second priority. The case where it is set to 12 yen in the summer season of is shown.

Then, the operation calculation unit 84 of the control unit 8 performs a calculation for operating the used paper processing unit 15 based on the priority given by the priority setting unit 836, and the operation control unit 81 obtains the obtained calculation result. The used paper processing unit 15 is operated based on the above.

The storage unit 85 in the fourth embodiment stores in advance the power required when the recycled paper production control unit 811 performs used paper processing and when the cleaning control unit 812 performs cleaning processing. For example, 4 kWh is stored for the recycling process of the used paper 10 by the recycled paper production control unit 811, and 1 kWh is stored for the cleaning process by the cleaning control unit 812.

In FIG. 13, an example of the flow of the calculation method in the operation calculating part 84 is shown. First, in S31, to calculate the running time _{T 0} of the day. As in the second embodiment, when performing the setting for stopping the paper processing section 15 from 0:00 at night until 6 am at the stop time setting unit 838, the operating time T ₀ of the day and 18 hours Become. In a used paper processing apparatus capable of processing 2,500 sheets of used paper 10 in 9 hours including the cleaning time, 5,000 sheets of used paper 10 can be processed by operating 18 hours a day.

Next, the upper limit amount set by the upper limit amount setting unit 841 is set as the balance M in S32. If the upper limit amount setting unit 841 sets the upper limit amount of the April electricity bill to 10,000 yen, for example, M = 10,000 yen.

In step S33, the period unit price is acquired. The period unit price is the amount of electricity bill per kWh set for each period by the period unit price setting unit 842. For example, in April, the priority ranking is the first in Table 4, so the electricity rate per kWh is 11 yen.

Proceeding to S34, n = 1. n is the number of time subtracted from the running time T _n. In _S35, the _{T n-1} a value obtained by subtracting the (n-1) and _{T n.} T _n−1 immediately after setting n = 1 in S34 is T ₀ set in S31, that is, 18 hours, and T ₁ = 18− (1-1) = 18. The procedure proceeds to _S36, or to check if it meets the _T n> _0, when the meet the _T n> 0, the process proceeds to S37.

In S37, a trial calculation amount m is calculated. The trial calculation amount m is calculated as the amount of electric charge required for the operation of the used paper processing unit 15 from the power consumed by the used paper processing unit 15 for a predetermined time and the unit price of the electric charge. Predetermined time is _{T n} calculated in S35. The trial calculation amount m is calculated on the assumption that the predetermined time _Tn is all spent for the recycling process of the used paper 10 without performing the cleaning process. The estimated amount m on the first day is 11 yen × 18 hours × 4 kWh = 762 yen. In S38, by comparing the estimated amount m obtained with balance M, satisfy the M> m, the operation of the predetermined time _{T n} is determined, the process proceeds to S39. If M> m is not satisfied in S38, the process proceeds to S42.

In S42, the n = n + 1, the number of hours subtracted from _{T n} 1 is added, the process returns to S35, S35 to satisfy M> m in S38, S36, S37, and repeats the flow of S42. Thus, the operating time of the day, performs an operation for operating the paper processing section 15 is shortened by one hour from the predetermined time T _n.

In S39, the predetermined time _{T n} running the paper processing section 15 by the operation control unit 81. In S40, the electricity bill is calculated. Electricity rate for calculating in step S40 is the predetermined time and power that is actually consumed by the operation of the T _n, the power actually electricity costs consumed is calculated from the unit price of electricity charge in the used paper processing section 15 and the control unit 8 . Here, it is the amount of money required for 18 hours of operation on the first day.

The actually consumed power is obtained from the measured value of the power measuring unit 73. The unit price of the electricity bill is the unit price set by the period unit price setting unit 842. Electricity charges are calculated by multiplying them. During operation of the estimated amount m in S37 assumes that went reproduction processing of paper 10 by the recycled paper production controller 811 all predetermined time T _n, and the power and 4KWh. However, in practice, during the operation of the predetermined time T _n, it performs a cleaning process over 1 hour at a time, in order to perform the cleaning process twice when running 18 hours, only a power consumption during this period 1 kWh. Therefore, the actual electricity charge is cheaper than the trial calculation m.

In S41, the balance M is updated. The balance M is updated by subtracting the actual electricity consumption power calculated in S40 from the balance M set in S32 to obtain a new balance M. And it returns to S33 and acquires the period unit price of the 2nd day. Thereafter, the flow from S33 to S42 is repeated, and when T _n > 0 is not satisfied in S36, the operation time becomes 0 and the process ends.

For the period from July to September, the second highest priority, when calculating the estimated amount, calculate the estimated amount and calculate the operating day and operating time in the same way as above, setting the charge per kWh to 12 yen To do.

In this way, the control unit 8 operates the used paper processing unit 15 within the range of the amount set in the upper limit setting unit 841, so that it is possible to easily manage the cost required for the recycling process of the used paper 10. The control unit 8, the electric power actually consumed by the operation of the predetermined time T _n of the used paper processing section 15, and a unit price of electricity charge, calculates the actual power electricity costs consumed, obtained as a result of the operation Since the used paper processing unit 15 is operated based on the determined amount, it is possible to more accurately determine whether the power consumption fee exceeds the amount set in the upper limit amount setting unit 841 as a result of the operation.

In addition, the operation calculation unit 84 calculates the electric charge necessary for the operation of the used paper processing unit 15 from the power consumed by the used paper processing unit 15 for a predetermined time and the unit price of the electric charge, and the obtained calculation Since the used paper processing unit 15 is operated based on the amount m, by operating the used paper processing unit 15, it is possible to easily determine whether or not the amount set in the upper limit setting unit 841 is exceeded.

(Fifth embodiment)
A fifth embodiment of the used paper processing apparatus according to the present invention will be described below. FIG. 14 shows a block diagram of the fifth embodiment. In the fifth embodiment, a time zone unit price setting unit 843 is provided instead of the period unit price setting unit 842 in the fourth embodiment. Except for the time zone unit price setting unit 843, the configuration is the same as that of the fourth embodiment.

The time zone unit price setting unit 843 is provided in the priority order setting unit 836. The time zone unit price setting unit 843 assigns priorities in the order of the lowest unit price period and time zone when the unit price of the electricity rate differs depending on both the period and the time zone according to the contract with the power company. Set the unit price. This time zone unit price setting unit 843 is the same as setting the unit price of the electricity bill for each category assigned with the priority by the time zone setting unit 839 in the third embodiment. For example, as shown in Table 5 below, the electricity rate per 1 kWh based on the contract with the electric power company is set in the period and time zone to which the priority is given.

In Table 5, the time zone from 22:00, which is the highest priority, to 8 o'clock the next day is set to 8 yen throughout the year. The time zone from 8 o'clock to 22 o'clock with the second highest priority is set to 12 yen for the period other than summer from October 1 to June 30. And for the summer season from July 1st to September 30th, the unit price from 8:00 to 10:00 and from 17:00 to 22:00 when the priority was 3rd and 4th was 12 yen, The unit price in the time zone from 10:00 to 17:00 when the priority is 5th is set to the highest 17 yen. In Table 2, the unit prices for the 2nd, 3rd and 4th priorities are all 12 yen and the same amount.

The operation calculation unit 84 of the control unit 8 calculates the allocation of the operation time so as to process more used paper 10 within the range set by the upper limit setting unit 841. An example of the calculation method is shown in FIG. First, the upper limit amount set by the upper limit amount setting unit 841 is set as the balance M in S61 of FIG. For example, if the upper limit of the electricity bill in April is set to 10,000 yen, M = 10,000 yen. Next, in S62, the unit price in the time zone with the highest priority is acquired. In April, from 2pm to 8am the following day, the first priority time zone is shown in Table 5, and the electricity charge per kWh is 8 yen.

In S63, the trial calculation amount m1 in the time zone with the highest priority is calculated. In the stop time setting unit 838, when the waste paper processing unit 15 is set to stop from 0:00 in the night to 6:00 in the morning, among the time zones from 6:00 to 24:00 excluding this 0:00 to 6:00, 5, the time zone belonging to the first priority time zone from 22:00 to 8:00 on the following day is 4 hours in total from 6 o'clock to 8 o'clock and from 22:00 to 24:00.

In the calculation of the trial calculation amount m1 in S63, it is assumed that the system operates on all remaining operation days in April for the time zone with priority 1 and the electricity charge necessary in this case is calculated. It is assumed that the working day in April is 20 days from Table 1, and the estimated amount m1 is the recycling process of the used paper 10 by the recycled paper production control unit 811 for all four hours, which is the time zone with the highest priority for the 20 days. As a result, 8 yen × 4 kWh × 4 hours × 20 days = 2,560 yen, that is, the estimated amount m1 = 2,560 yen. In S64, the trial calculation amount m1 of the obtained electricity bill is compared with the balance M. If M> m1 is satisfied, the operation with the highest priority is determined, and the process proceeds to S65.

In S65, from the table 5, the unit price 12 yen of the electricity rate in the time zone set at the second priority in the time zone unit price setting unit 843 is acquired. Then, in S66, and n = 1, at _S67, a value obtained by subtracting n-1 from the _{T n-1} and _{T n.} Incidentally, T ₀ in this case S67 becomes 14 hours 22 o'clock 8 is uptime time zone second priority. In _S68, or to check if it meets the _T n> _0, when the meet the _T n> 0, the process proceeds to S69. In S69, a trial calculation amount m2 when the used paper processing unit 15 is operated in the time zone with the second highest priority is calculated. The operating time in the second priority time zone is 14 hours from 8 o'clock to 22 o'clock, and the estimated amount m2 is 12 if the recycled paper production control unit 811 performs the recycling processing of the used paper 10 for all 14 hours. Yen x 4 kWh x 14 hours = 672 yen.

In S70, adding the monthly estimated amount m1 for the first priority calculated in S63 and the daily estimated amount m2 for the second priority calculated in S69, the estimated amount m = m1 + m2 = 2,560 + 672 yen. = 3,232 yen, and in S71, the balance M is compared with the estimated amount m calculated in S70.

In S71, M> if not satisfied m is the second priority of the operating time and shorter than 14 hours proceeds to S75 to operate the paper processing section 15, and n = n + 1, the number of hours subtracted from _{T n} 1 is added, and the process returns to S67. And the flow of S67, S68, S69, S70, S71, S75 is performed repeatedly. When M> m is satisfied in S71, it is determined to operate in both the first and second priority time zones. When T> 0 is not satisfied in S68, the used paper processing unit 15 is not operated in the time zone with the second highest priority, and only the time zone with the highest priority in the operation determined in S64 is determined. In S72, the used paper processing unit 15 is operated by the operation control unit 81.

Then, it progresses to S73 and the electric charge actually applied by the operation | movement of the 1st day is calculated. Proceeding to S74, the actual electricity charge is subtracted from the balance M to obtain a new balance M. Thereby, the balance is updated. Then, returning to S62, the operation time is calculated from the flow from S62 to S75 for the second and subsequent days as in the first day, and the operation control unit 81 operates the used paper processing unit 15 based on the calculation result. repeat. When M> m1 is no longer satisfied in S64, the process ends.

Even if the month in which the upper limit is set in the upper limit setting section 841 is not in April but in any of the summer months from July to September, priority is given in the same manner as in April described above. Based on the setting of the rank setting unit 836, the operation calculation unit 84 performs calculation so as to allocate the operation time within the upper limit. At that time, the time zone with the third or lower priority is calculated in the same flow as the flow from S65 to S71. Then, the used paper processing unit 15 is operated based on the obtained calculation result. S

In the fifth embodiment, the priority order setting unit 836 gives priority to the lowest unit price in consideration of both the period and the time zone, and the range of the upper limit amount set by the upper limit amount setting unit 841. The operation time is allocated by the operation calculation unit 84 so as to process a larger amount of used paper 10. Therefore, it is possible to efficiently process the used paper 10 while managing the cost required for the recycling process of the used paper 10.

(Sixth embodiment)
A sixth embodiment of the used paper processing apparatus according to the present invention will be described below. FIG. 16 shows a block diagram of the sixth embodiment. As shown in FIG. 16, the sixth embodiment includes a temperature detection unit 74 and a temperature setting unit 844 in addition to the components of the first embodiment. The temperature detection unit 74 detects the ambient temperature of the used paper processing unit 15. The temperature setting unit 844 is provided in the operation condition setting unit 83 of the control unit 8 and sets the temperature range input by the user from the operation unit 71 as a reference temperature range for determining whether or not to operate the used paper processing unit 15. To do.

The operation calculation unit 84 of the control unit 8 operates the used paper processing unit 15 based on the detected temperature of the temperature detection unit 74 and the set temperature range of the temperature setting unit 844. For example, it is assumed that the operating temperature of the used paper processing unit 15 is 30 ° C. or higher in the temperature setting unit 844. The control unit 8 controls the used paper processing unit 15 to operate when the ambient temperature of the used paper processing unit 15 detected by the temperature detection unit 74 becomes 30 ° C. or higher.

Accordingly, the waste paper 10 can be processed only in a state where the temperature is high and the drying efficiency of the wet paper 12 is good, and the processing amount of the waste paper 10 with respect to the consumed power can be increased.

In each of the above embodiments, the post-processing unit 9 is configured by the storage unit 4, the deinking unit 5, the paper making unit 6, and the finishing unit 7. However, the used paper processing apparatus according to the present invention is not limited to this, The water-containing stirrer of the used paper may be compressed, dried, or formed into another configuration capable of processing the used paper. Further, the recycled paper 13 is manufactured by processing the used paper 10. However, the present invention is not limited to this, and the used paper processed product obtained as a result of the used paper processing may be a waste having a small bulk. It may be a reuse product. In addition, the priority setting unit 836 gives priority only according to the period with a low unit price, or according to both the period and the time zone, but may give priority according to only the time zone.

Moreover, although the control part 8 was provided with the processing amount setting part 834, it does not necessarily need to be provided. The control unit 8 performs a calculation for operating the used paper processing unit 15 so as to process more used paper 10 within the range of the amount set in the upper limit setting unit 841, but the set upper limit is set. The used paper processing unit 15 may be operated up to a point slightly exceeding the limit. In addition, when the used paper processing unit 15 is operated within the setting range of the upper limit amount setting unit 841, the control unit 8 operates the used paper processing unit 15 based on the estimated amount m of the electricity charge. For example, by dividing the upper limit by the unit price and operating for the obtained operating time, or by measuring the power constantly by the power measurement unit and multiplying the obtained power by the unit price, the charge is added in real time. The operation may be determined without calculating the trial calculation amount m, such as stopping the operation when the upper limit is reached.

Further, the control unit 8 operates the waste paper processing unit 15 based on the electricity bill of the actually consumed power, but is not limited to this, and determines the operation based only on the estimated amount regardless of the actual power consumption. Also good. Further, when operating the used paper processing unit 15 within the setting range of the upper limit amount setting unit 841, the control unit 8 determines the operation of the used paper processing unit 15 based on the setting of the priority order setting unit 836. Regardless, the operation may be determined regardless of the unit price of the electricity bill.

Although the stop condition setting unit 830 is provided, the stop condition setting unit 830 may not necessarily be provided. The stop condition setting unit 830 may be configured to set the operation stop of the used paper processing unit for the period instead of the day of the week, the date, and the time zone. . The processing amount setting unit 834 sets the processing amount to be set for one year or one month from April to March. However, the processing amount setting unit 834 is not limited to this. A day other than the first or last day of the year or month, such as the 19th of the month, may be used as a reference.

DESCRIPTION OF SYMBOLS 1 Used paper processing apparatus 8 Control part 9 Post-processing part 15 Used paper processing part 32 Stirrer tank 74 Temperature detection part 834 Processing amount setting part 836 Priority order setting part 841 Upper limit amount setting part 844 Temperature setting part

Claims (10)

A used paper processing unit provided with a stirring tank for adding water to the used paper for agitation and a post-processing unit for post-processing the water-containing agitation product of the used paper obtained in the stirring tank; and a control unit for controlling the operation of the used paper processing unit; A used paper processing apparatus comprising:
If at least the unit price of the commercial power supply that supplies power to the waste paper processing unit varies depending on the period and / or time period due to a contract with an electric power company, the priorities are set in the order of the cheaper period and / or time period. It has a priority setting section to give,
The used paper processing apparatus, wherein the control unit operates the used paper processing unit based on the priority given by the priority setting unit. A processing amount setting unit for setting a processing amount of used paper in a predetermined period;
The control unit allocates the operating time required to process the amount of used paper set by the processing amount setting unit in order from the period and / or time zone in which the priority setting unit sets a high priority. The used paper processing apparatus according to claim 1, wherein the processing unit is operated. A used paper processing unit provided with a stirring tank for adding water to the used paper for agitation and a post-processing unit for post-processing the water-containing agitation product of the used paper obtained in the stirring tank; and a control unit for controlling the operation of the used paper processing unit; A used paper processing apparatus comprising:
For an electricity charge of a commercial power supply that supplies power to at least the waste paper processing part, an upper limit setting part that sets an allowable electricity charge amount of power consumed in a predetermined period,
The used paper processing apparatus, wherein the control unit operates the used paper processing unit based on the amount set in the upper limit setting unit. The control unit calculates the electricity bill required for the operation of the waste paper processing unit from the power consumed by the waste paper processing unit for a predetermined time and the unit price of the electricity bill, and processes the waste paper based on the calculated amount obtained. The used paper processing apparatus of Claim 3 which operates a part. The control unit calculates the electricity bill of the actually consumed power from the power actually consumed by the waste paper processing unit operating for a predetermined time and the unit price of the electricity bill, and based on the amount obtained as a result of the computation, The used paper processing apparatus of Claim 3 or Claim 4 which operate | moves a process part. When the unit price of the electricity bill varies depending on the period and / or time zone due to the contract with the electric power company, a priority order setting unit is provided that gives a priority in order of the period and / or time zone in which the unit price is low,
6. The used paper processing apparatus according to claim 3, wherein the control unit operates the used paper processing unit based on the priority order given by the priority order setting unit. A used paper processing unit provided with a stirring tank for adding water to the used paper for agitation and a post-processing unit for post-processing the water-containing agitation product of the used paper obtained in the stirring tank; and a control unit for controlling the operation of the used paper processing unit; A used paper processing apparatus comprising:
A temperature detection unit for detecting an ambient temperature of the waste paper processing unit;
A temperature setting unit that sets a temperature range serving as a reference for determining whether to operate the waste paper processing unit;
The control unit operates the used paper processing unit based on the detected temperature of the temperature detecting unit and the set temperature range of the temperature setting unit. When the unit price of the commercial power supply that supplies power to at least the waste paper processing unit varies depending on the period and / or time zone due to a contract with the power company, priorities are given in the order of the lowest unit price and / or time zone A priority order setting unit,
The used paper processing apparatus according to claim 7, wherein the control unit operates the used paper processing unit based on the priority order given by the priority order setting unit. For an electricity charge of a commercial power supply that supplies power to at least the waste paper processing part, an upper limit setting part that sets an allowable electricity charge amount of power consumed in a predetermined period is provided.
The used paper processing apparatus according to claim 7 or 8, wherein the control unit operates the used paper processing unit based on the amount set in the upper limit setting unit. 10. The apparatus according to claim 1, further comprising a stop condition setting unit that sets at least one of a period, a day of the week, a date, and a time period during which the operation of the used paper processing unit is stopped. Waste paper processing equipment.

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