JP2022038874A - Waste mixture input device and waste mixture input method - Google Patents

Abstract

To provide a waste mixture input device and a waste mixture input method capable of stably collecting thermal energy in a waste treatment system.SOLUTION: A waste mixture input device acquires waste carry-in schedule information being information about a carry-in time of waste scheduled to be carried in for seven days of the next week and the amount and quality of the waste, acquires a total heat quantity being a heat quantity generated in incinerating the waste to be carried in for the seven days of the next week on the basis of the acquired waste carry-in schedule information, acquires an average heat generation quantity being an average heat quantity per unit quantity of the waste scheduled to be carried in for the seven days of the next week on the basis of the acquired carry-in schedule information and total heat quantity, and acquires the quantity and quality of the waste to be inputted to a pit 110 of a waste storage and incineration device 100 for one day on the basis of the acquired waste carry-in schedule information and average heat generation quantity.SELECTED DRAWING: Figure 1

Description

The present invention relates to a waste mixing and charging device for mixing and charging waste into a pit of a waste treatment system that recovers heat energy generated when incinerating waste, and a waste mixing and charging method.

Conventionally, as a waste treatment system for recovering the heat energy generated when incinerating waste, an incinerator for incinerating the waste and a hopper chute for charging the waste to be put into the incinerator are used. And steam is used by using the crane to put the waste into the hopper chute, the dust supply device to supply the waste from the hopper chute to the incinerator, and the heat generated by the combustion of the waste in the incinerator. It is known that a boiler for generating and a steam turbine generator for generating power by using the steam generated in the boiler are provided (see, for example, Patent Document 1).

The waste treatment system includes a weigh scale for measuring the weight of the waste held by the bucket of the crane and a height measuring device for measuring the surface height of the waste stored in the hopper chute. I have. The waste treatment system controls the operation of the dust supply device based on the measurement results of the weigh scale and the height measuring device to keep the weight of the waste supplied to the incinerator constant, and the steam in the boiler. It stabilizes the amount of power generated and the amount of power generated by the steam turbine generator.

Japanese Unexamined Patent Publication No. 2020-106243

However, the amount of heat generated per unit amount of waste supplied to the incinerator differs depending on the quality. Therefore, even if the weight of the waste supplied to the incinerator is adjusted, the waste treatment system cannot maintain the amount of heat generated during the combustion of the waste, and the amount of steam generated in the boiler and the steam. It is difficult to stabilize the amount of power generated by the turbine generator.

An object of the present invention is to provide a waste mixing and charging device and a waste mixing and charging method capable of stably recovering thermal energy in a waste treatment system.

The waste mixing and charging device of the present invention has a pit for storing waste and an incinerator for incinerating the waste stored in the pit, and is generated when the waste is incinerated in the incinerator. Information on the delivery time of waste that is scheduled to be carried in during the first predetermined period, which is a waste mixing and charging device that mixes and throws waste into the pit of the waste treatment system that recovers heat energy. In addition, the waste carry-in schedule information acquisition unit that acquires waste carry-in schedule information, which is information on the quantity and quality of the waste to be carried in, and the waste carry-in schedule acquired by the waste carry-in schedule information acquisition department. Based on the information, the total calorific value acquisition unit that acquires the total calorific value, which is the calorific value generated during the combustion of the waste scheduled to be carried in during the first predetermined period, and the disposal unit acquired by the waste carry-in schedule information acquisition unit. Based on the material carry-in schedule information and the total calorific value acquired by the total calorific value acquisition unit, the average calorific value, which is the average value of the calorific value per unit amount of the waste to be carried in during the first predetermined period, is calculated. The first predetermined based on the average calorific value acquisition unit to be acquired, the waste carry-in schedule information acquired by the waste import schedule information acquisition unit, and the average calorific value acquired by the average calorific value acquisition unit. An input content acquisition unit that acquires the quantity and quality of waste to be input into the pit during a second predetermined period shorter than the period, a waste classification receiving unit that classifies and receives the carried-in waste, and the waste. It is provided with an input unit for inputting the amount and quality of waste acquired in the input content acquisition unit from the classification receiving unit into the pit.

Further, the waste mixing and charging device of the present invention is preferably included in the waste carried in during the first predetermined period based on the waste carry-in schedule information acquired by the waste carry-in schedule information acquisition unit. The predetermined substance total content acquisition unit that acquires the predetermined substance total content, which is the amount of the predetermined substance, the waste import schedule information acquired by the waste import schedule information acquisition unit, and the predetermined substance total content. Based on the total content of the predetermined substance acquired by the acquisition unit, the average content of the predetermined substance, which is the average value of the content of the predetermined substance per unit amount of the waste to be carried in during the first predetermined period, is calculated. The unit includes a predetermined substance average content acquisition unit to be acquired, the waste import schedule information acquired by the input content acquisition unit in the waste import schedule information acquisition unit, and the average acquired by the average calorific value acquisition unit. Based on the calorific value and the predetermined substance average content acquired by the predetermined substance average content acquisition unit, the quantity and quality of the waste to be put into the pit during the second predetermined period are acquired.

Further, in the waste mixing input device of the present invention, preferably, the input content acquisition unit acquires the waste import schedule information acquired by the waste import schedule information acquisition unit and the average calorific value acquisition unit. Based on the average calorific value and the average content of the predetermined substance acquired by the predetermined average content acquisition unit, the amount of waste to be put into the pit during the third predetermined period shorter than the second predetermined period and the amount of waste to be put into the pit. Get quality.

Further, in the waste mixing and charging device of the present invention, the first predetermined period is preferably 7 days, the second predetermined period is 1 day, and the third predetermined period is 1 hour. ..

Further, in the waste mixing and charging device of the present invention, the predetermined substance is preferably chloride.

Further, the waste mixing and charging device of the present invention is preferably insufficient when the total heat amount acquired by the total heat amount acquisition unit is smaller than the minimum heat amount which is the minimum required heat amount in the first predetermined period. It includes an auxiliary combustion material addition unit that acquires an insufficient heat amount, which is the amount of heat to be generated, and an auxiliary combustion material addition unit that adds an auxiliary combustion material based on the insufficient heat amount acquired by the insufficient heat amount acquisition unit.

Further, the waste mixing and charging method of the present invention has a pit for storing waste and an incinerator for incinerating the waste stored in the pit, and when the waste is incinerated in the incinerator. It is a waste mixing and charging method in which waste is mixed and charged into the pit of a waste treatment system that recovers the generated heat energy, and is related to the loading time of waste scheduled to be carried in during the first predetermined period. The waste carry-in schedule information acquisition process for acquiring information and waste carry-in schedule information which is information on the quantity and quality of the waste to be carried in, and the waste acquired in the waste carry-in schedule information acquisition step. Based on the carry-in schedule information, it was acquired in the total calorific value acquisition step for acquiring the total calorific value, which is the calorific value generated during the combustion of the waste scheduled to be carried in during the first predetermined period, and the waste carry-in schedule information acquisition step. Average heat generation, which is the average value of the amount of heat per unit amount of the waste to be carried in the first predetermined period, based on the waste carry-in schedule information and the total heat amount acquired in the total heat amount acquisition step. The first is based on the average calorific value acquisition step for acquiring the amount, the waste carry-in schedule information acquired in the waste carry-in schedule information acquisition step, and the average calorific value acquired in the average calorific value acquisition step. 1 Input content acquisition step to acquire the quantity and quality of waste to be put into the pit in the second predetermined period shorter than a predetermined period, a waste classification step to classify the carried-in waste, and the waste classification step. It is provided with an input step of inputting the amount and quality of waste acquired in the input content acquisition step from the waste classified in the above into the pit.

Further, the waste mixing input method of the present invention is preferably included in the waste carried in during the first predetermined period based on the waste carry-in schedule information acquired in the waste carry-in schedule information acquisition step. The first predetermined period based on the predetermined substance total content acquisition step for acquiring the predetermined substance total content, which is the amount of the predetermined substance, and the predetermined substance total content acquired in the predetermined substance total content acquisition step. A predetermined substance average content acquisition step for acquiring a predetermined substance average content, which is an average value of the content of a predetermined substance per unit amount of waste to be carried into the vehicle, is provided in the input content acquisition step. , The waste carry-in schedule information acquired in the waste carry-in schedule information acquisition process, the average calorific value acquired in the average calorific value acquisition step, and the predetermined substance average acquired in the predetermined substance average content acquisition step. Based on the content, the quantity and quality of the waste to be put into the pit during the second predetermined period are acquired.

Further, in the waste mixing charging method of the present invention, preferably, in the input content acquisition step, the waste carry-in schedule information acquired in the waste carry-in schedule information acquisition step and the said average calorific value acquisition step acquired in the waste carry-in schedule information acquisition step. Based on the average calorific value and the predetermined average content of the predetermined substance acquired in the predetermined substance average content acquisition step, the amount of waste to be charged is adjusted every third predetermined period shorter than the second predetermined period. ..

Further, in the waste mixing and charging method of the present invention, the first predetermined period is preferably 7 days, the second predetermined period is 1 day, and the third predetermined period is 1 hour. ..

Further, in the waste mixing and charging method of the present invention, the predetermined substance is preferably chloride.

Further, the waste mixing and charging method of the present invention is preferably insufficient when the total heat amount acquired in the total heat amount acquisition step is smaller than the minimum heat amount which is the minimum required heat amount in the first predetermined period. It includes an auxiliary combustion material addition step of acquiring an insufficient heat amount, which is the amount of heat to be generated, and an auxiliary combustion material addition step of adding an auxiliary combustion material based on the insufficient heat amount acquired in the insufficient heat amount acquisition step.

According to the present invention, by acquiring the quantity and quality of the waste to be put into the waste treatment system in the second predetermined period based on the waste delivery schedule information and the average calorific value of the waste, the second predetermined period can be obtained. Since it is possible to stabilize the amount of heat generated, it is possible to stably recover heat energy in the waste treatment system.

It is a schematic block diagram of the waste mixing input apparatus and waste treatment system which concerns on one Embodiment of this invention. It is a block diagram which shows the control system which concerns on one Embodiment of this invention. It is a flowchart about waste mixing input process which concerns on one Embodiment of this invention. It is a graph for demonstrating the weekly waste transfer plan which concerns on one Embodiment of this invention. It is a graph for demonstrating the daily waste movement plan which concerns on one Embodiment of this invention, FIG. 5 (a) is a graph which shows the waste carry-in schedule for every hour, and FIG. It is a graph which shows the waste input schedule. It is a schematic block diagram which shows the waste mixing input apparatus which concerns on other embodiment of this invention. 6A is a cross-sectional view taken along the line AA of FIG. 6 according to another embodiment of the present invention. FIG. 6 is a sectional view taken along the line BB according to another embodiment of the present invention. FIG. 6 is a sectional view taken along the line CC of FIG. 6 according to another embodiment of the present invention.

1 to 5 show an embodiment of the present invention. FIG. 1 is a schematic configuration diagram of a waste mixing and charging device and a waste storage and incinerator, FIG. 2 is a block diagram showing a control system, FIG. 3 is a flowchart regarding waste mixing and charging processing, and FIG. 4 is a weekly diagram. It is a graph for explaining a waste movement plan, and FIG. 5 is a graph for explaining a daily waste movement plan.

The waste mixing charging device 1 of the present embodiment is for charging waste into a waste power generation system as a waste treatment system.

The waste power generation system uses a waste storage and incineration device 100 for storing waste and incinerating the stored waste, and a thermal energy generated by incinerating the waste in the waste storage and incineration device 100 to generate steam. It includes a boiler (not shown) for generating electricity and a steam turbine generator (not shown) that generates electricity from the steam generated in the boiler.

The waste storage and incinerator 100 moves the pit 110 into which the waste is charged via the waste mixing and charging device 1, the bucket 120 for gripping the waste stored in the pit 110, and the bucket 120. Crane 130 for the purpose, hopper chute 140 for taking in the waste gripped by the bucket 120, incinerator 150 for incinerating the waste taken in the hopper chute 140, and waste taken in the hopper chute 140. Is provided with a dust supply device 160 for supplying the incinerator 150. The waste storage incinerator 100 moves the waste stored in the pit 110 by the crane 130 while being gripped by the bucket 120, and supplies it into the incinerator 150 via the hopper chute 140 and the dust supply device 160. Thereby, the waste is incinerated in the incinerator 150.

The waste mixing and charging device 1 receives waste such as industrial waste carried in by a vehicle, mixes the received waste, and throws it into the pit 110 of the waste storage and incinerator 100.

As shown in FIGS. 1 and 2, the waste mixing input device 1 includes a waste classification receiving unit 10 for classifying and receiving the carried-in waste, and an auxiliary combustion material for receiving the auxiliary combustion material. Waste is taken out from the auxiliary fuel receiving part 20 as an additional part and the waste classification receiving part 10, and the auxiliary combustion material is taken out from the auxiliary fuel receiving part 20 as needed and placed in the pit 110 of the waste storage incinerator 100. It includes a charging unit 30 for charging and a control unit 40 for controlling the operation of the charging unit 30. Here, the charging section 30 also functions as an auxiliary combustion material addition section.

The waste classification receiving unit 10 classifies and stores the waste according to the timing of carrying in the waste and the timing of charging the waste into the pit 110 of the waste storage and incinerator 100. It has a second receiving part 12, a third receiving part 13, and a fourth receiving part 14. The first to fourth receiving portions 11, 12, 13, and 14 are each composed of a box-shaped member extending in the vertical direction in which the carried-in waste is stored, and waste is discharged from the discharge port provided on the lower side. It is possible to release it. The first to fourth receiving units 11, 12, 13, and 14 receive crushed waste of a size smaller than a predetermined size as needed. The first to fourth receiving units 11, 12, 13, and 14 are arranged side by side at a location adjacent to the pit 110 of the waste storage and incinerator 100, respectively.

The auxiliary fuel receiving unit 20 is composed of a box-shaped member extending in the vertical direction, like the first to fourth receiving units 11, 12, 13, and 14, and the contents are discharged from the discharge port provided on the lower side. It is possible. The auxiliary fuel receiving unit 20 internally receives fuel such as RDF (Refuse Delivered Fuel) and RPF (Refuse Paper & Plastic Fuel). The auxiliary fuel receiving unit 20 is arranged side by side with the first to fourth receiving units 11, 12, 13, and 14.

The charging unit 30 releases the waste contained in each of the first to fourth receiving units 11, 12, 13, and 14 while adjusting the release amount, and the auxiliary combustion unit contained in the auxiliary fuel receiving unit 20. The discharge amount adjusting unit 31 for releasing the material while adjusting the release amount, and the waste discharged from the waste classification receiving unit 10 and the auxiliary combustion material released from the auxiliary fuel receiving unit 20 are stored and incinerated. It has a transport unit 32 for transporting to the pit 110 of the device 100.

The release amount adjusting unit 31 includes, for example, a valve body that opens and closes the discharge ports of the first to fourth receiving units 11, 12, 13, 14 and the auxiliary fuel receiving unit 20, and a mechanism for operating the valve body. It has. The release amount adjusting unit 31 adjusts the opening degree of each of the first to fourth receiving units 11, 12, 13, 14 to adjust the opening degree of each of the first to fourth receiving units 11, 12, 13, and 14, respectively. By adjusting the amount of waste discharged from the auxiliary fuel receiving unit 20 and adjusting the opening degree of the discharge port of the auxiliary fuel receiving unit 20, the amount of the auxiliary combustion material released from the auxiliary fuel receiving unit 20 is adjusted.

The transport unit 32 is composed of a belt conveyor having an endless belt and at least a pair of rollers that rotatably support the endless belt in the transport direction. One end side of the transport unit 32 in the transport direction is located below the discharge ports of the first to fourth receiving units 11, 12, 13, 14 and the auxiliary fuel receiving unit 20. The waste or auxiliary combustion material released from each of the first to fourth receiving portions 11, 12, 13, 14 and the auxiliary fuel receiving portion 20 is placed on the upper surface on one end side of the transport portion 32. The waste or auxiliary combustion material placed on the upper surface of one end side of the transport unit 32 is conveyed toward the other end side of the transport unit 32 by driving the belt, and is charged into the pit 110 via the chute 32a. Will be done.

The control unit 40 has a CPU, a ROM, and a RAM, and when it receives an input signal from a device connected to the input side, the CPU reads a program stored in the ROM based on the input signal and uses the input signal. The detected state is stored in the RAM, and the output signal is transmitted to the device connected to the output side.

A communication unit 50 for communicating with other devices via a network such as the Internet is connected to the input side of the control unit 40. The communication unit 50 can be connected to a terminal on the side of a plurality of waste collection companies that collect and carry in the waste via a network.

The input unit 30 is connected to the output side of the control unit 40.

Further, as shown in FIG. 2, the control unit 40 provides information on the carry-in time of the waste to be carried in during the 7 days of the next week as the first predetermined period, and the amount and amount of the waste to be carried in. Acquires the waste carry-in schedule information acquisition unit 41 for acquiring the waste carry-in schedule information which is information on quality, and the total calorific value which is the calorific value generated at the time of burning the waste which is scheduled to be carried in for 7 days of the next week. The total calorific value acquisition unit 42 for acquiring the average calorific value, which is the average value of the calorific value per unit weight of the waste carried in for 7 days of the next week, and the average calorific value acquisition unit 43 for acquiring the average calorific value for 7 days of the next week. Total chloride content acquisition unit as a predetermined total content acquisition unit for acquiring the total chloride content as the predetermined total content, which is the amount of chloride contained in the waste to be carried into the waste. 44 and the predetermined substance average content for obtaining the chloride average content as the predetermined substance average content which is the average value of the chloride content per unit amount of the waste carried in for 7 days of the next week. The chloride average content acquisition unit 45 as an acquisition unit, the insufficient heat quantity acquisition unit 46 that acquires the insufficient calorific value, which is the insufficient calorific value, when the total calorific value is less than the minimum calorific value, which is the minimum required calorific value, and the second Input to obtain the quantity and quality of waste to be charged into the pit 110 of the waste storage and incineration device 100 and the amount of auxiliary combustion material to be added every day as a predetermined period and every hour as a third predetermined period. It is equipped with a content acquisition unit 47.

The waste delivery schedule information acquisition unit 41 carries in the waste for 7 days (Monday to Sunday) of the next week by communicating with the trader's terminal via the communication unit 50 at a preset date and time (for example, 18:00 every Friday). Obtain information on the time to bring in the waste to be carried in, and information on the scheduled to bring in the waste, which is information on the quantity and quality of the waste to be brought in.

Here, the information regarding the delivery time of the waste to be carried in is the date and time when the vehicle loaded with the waste is scheduled to arrive in the next 7 days. In addition, the information regarding the amount of waste to be carried in is the weight of the waste loaded for each vehicle. Information on the quality of waste to be carried in is the ratio of combustibles, ash, water and earth and sand, and waste as the components of waste related to calorific value in the waste loaded for each carry-in vehicle. It is the proportion of chloride as the main component of waste that causes corrosion of the steel components of the treatment system.

In addition, in order for the waste import schedule information acquisition unit 41 to be able to acquire the waste import schedule information, information regarding the waste import time that each waste collection company plans to import in the next 7 days, And, input the information about the quantity and quality of the waste to be brought in to the terminal on the trader side.

The total heat amount acquisition unit 42 is the total amount of heat generated when the waste to be carried in for 7 days of the next week is burned based on the waste carry-in schedule information acquired by the waste carry-in schedule information acquisition unit 41. Calculate the amount of heat. The total calorific value is the total weight of the waste to be carried in during the next 7 days, which is acquired by the waste carry-in schedule information acquisition unit 41, and the ratio of the combustible component to the total weight of the waste to be carried in. , Calculated from the relationship with the calorific value, which is the calorific value per unit weight of combustible waste.

The average calorific value acquisition unit 43 is carried in for 7 days of the next week based on the waste import schedule information acquired by the waste import schedule information acquisition unit 41 and the total heat quantity acquired by the total heat quantity acquisition unit 42. Calculate the average calorific value of the planned waste. The average calorific value is calculated from the relationship between the total calorific value acquired by the total calorific value acquisition unit 42 and the total weight of the waste carried in for 7 days of the next week. Specifically, the average calorific value is calculated by dividing the total calorific value by the total weight of the waste carried in for the next 7 days.

The total chloride content acquisition unit 44 is based on the waste import schedule information acquired by the waste import schedule information acquisition unit 41, and the amount of chloride contained in the waste scheduled to be imported in the next 7 days. The total chloride content is calculated. The total chloride content is calculated from the relationship between the total weight of waste to be delivered in the next 7 days and the ratio of chloride to the total weight of waste to be delivered in the next 7 days. Will be done.

The chloride average content acquisition unit 45 is based on the carry-in schedule information acquired by the waste import schedule information acquisition unit 41 and the total chloride content acquired by the chloride total content acquisition unit 44, and the next week. The average chloride content, which is the average value of the chloride content per unit amount of waste carried in for 7 days, is calculated. The average chloride content is calculated from the relationship between the total chloride content acquired by the total chloride content acquisition unit 44 and the total weight of the waste carried in for 7 days of the next week. Specifically, the average chloride content is calculated by dividing the total chloride content by the total weight of waste carried in for the next 7 days. Here, when the waste containing chloride is incinerated, chlorine-based gas (for example, chlorine gas, hydrogen chloride gas, etc.) that causes corrosion of the steel member of the waste treatment system is generated. Therefore, when incinerating waste, the generation of high-concentration chlorine-based gas is prevented by adjusting the content of chloride contained in the waste.

In the insufficient heat quantity acquisition unit 46, the total heat quantity acquired by the total heat quantity acquisition unit 42 is less than the minimum heat quantity which is the calorific value required to secure the minimum power generation amount by the waste power generation system in the next 7 days. In this case, the amount of insufficient heat, which is the amount of insufficient heat, is calculated. The amount of insufficient heat is calculated from the relationship between the total amount of heat and the minimum amount of heat.

The input content acquisition unit 47 is acquired by the waste import schedule information acquired by the waste import schedule information acquisition unit 41, the average calorific value acquired by the average calorific value acquisition unit 43, and the chloride average content acquisition unit 45. Based on the average chloride content and the amount of insufficient heat acquired by the insufficient heat amount acquisition unit 46, the amount and quality of waste to be put into the pit 110 of the waste storage and incineration device 100 every day, and the auxiliary combustion material. The amount of auxiliary combustion material is calculated when the auxiliary combustion material is added, and the quantity and quality of the waste to be put into the pit 110 of the waste storage and incineration device 100 every hour, and the auxiliary combustion material when the auxiliary combustion material is added. Calculate the amount of.

In the waste mixing and charging device 1 configured as described above, first, the control unit 40 provides information on the delivery time of the waste to be carried in for 7 days of the next week, and the waste to be carried in. Obtain the waste delivery schedule information, which is information on quantity and quality, and check the contents of the waste to be put into the pit 110 of the waste storage incinerator 100 every day in the 7 days of the next week and every hour in each day. Determine and, if necessary, determine the amount of auxiliary combustion material.

Next, when the waste is actually carried in by the vehicle, the carried-in waste is based on the contents of the waste to be put into the pit 110 of the determined waste storage and incinerator 100 and the contents of the auxiliary combustion material. The object is received by any of the first to fourth receiving units 11, 12, 13, and 14 of the waste classification receiving unit 10 for each vehicle.

Specifically, the first receiving unit 11 is made to receive the waste to be put into the pit 110 of the waste storage incinerator 100 immediately after being carried in. Further, each of the second receiving unit 12 and the third receiving unit 13 receives the waste that is to be charged into the pit 110 on the day of delivery, but is scheduled to be charged into the pit 110 at a different time. Further, the fourth receiving unit 14 receives the waste to be thrown into the pit 110 on a different day without throwing it into the pit 110 on the day of delivery.

After that, the control unit 40 drives the discharge amount adjusting unit 31 of the input unit 30 to classify the waste based on the contents of the waste and the auxiliary combustion material to be input to the pit 110 of the waste storage and incinerator 100 determined in advance. Waste is discharged from at least one of the first to fourth receiving units 11, 12, 13, and 14 of the receiving unit 10, and the auxiliary combustion material is released from the auxiliary fuel receiving unit 20 as needed.

Here, the waste mixing and charging process executed by the control unit 40 will be described with reference to the flowchart of FIG.

(Step S1)
In step S1, the control unit 40 performs an operation of acquiring the waste import schedule information for 7 days in the next week in the waste import schedule information acquisition unit 41, and shifts the process to step S2.

(Step S2)
In step S2, the control unit 40 determines whether or not the acquisition of all the waste carry-in schedule information of each waste collection company has been completed. When it is determined that the acquisition of all the waste carry-in schedule information of each waste collection company is completed, the process is moved to step S3, and the acquisition of all the waste carry-in schedule information of each waste collection company is completed. If no determination is made, the process of step S1 is repeated.

Here, an example of waste delivery schedule information of all waste collection companies is shown in Table 1 below.

Table 1 shows the delivery date and amount of waste carried in by each waste collection company, and the calorific value of the carried-in waste in three stages of high, medium, and low. Information on the average chloride content is also obtained in the same way as information on the calorific value.

(Step S3)
When it is determined in step S2 that the acquisition of all the waste carry-in schedule information of each waste collection company is completed, the control unit 40 in step S3 plans to carry in the waste acquired by the waste carry-in schedule information acquisition unit 41. Based on the information, the total calorific value acquisition unit 42 acquires the total calorific value, and the process is transferred to step S4.

(Step S4)
In step S4, the control unit 40 generates average heat in the average calorific value acquisition unit 43 based on the waste import schedule information acquired by the waste import schedule information acquisition unit 41 and the total heat quantity acquired by the total calorific value acquisition unit 42. The amount is acquired and the process is moved to step S5.

(Step S5)
In step S5, the control unit 40 acquires the total chloride content in the chloride total content acquisition unit 44 based on the waste import schedule information acquired in the waste import schedule information acquisition unit 41, and processes it in step S6. To move.

(Step S6)
In step S6, the control unit 40 determines the chloride average based on the waste import schedule information acquired by the waste import schedule information acquisition unit 41 and the chloride total content acquired by the chloride total content acquisition unit 44. The content acquisition unit 45 acquires the average chloride content, and the process is transferred to step S7.

(Step S7)
In step S7, the control unit 40 determines whether or not the total amount of heat acquired in step S3 is equal to or greater than the minimum amount of heat. If it is determined that the total calorific value is equal to or greater than the minimum calorific value, the process is transferred to step S8, and if it is not determined that the total calorific value is equal to or greater than the minimum calorific value, the process is transferred to step S10.

(Step S8)
When it is determined in step S7 that the total calorific value is equal to or greater than the minimum calorific value, the control unit 40 in step S8 obtains the input content acquisition unit based on the acquired waste carry-in schedule information, average calorific value and average chloride content. In 47, the contents of the waste to be put into the pit 110 of the waste storage and incinerator 100 are acquired every day for 7 days of the next week, and the processing is transferred to step S9.

Here, the method of acquiring the contents of the waste every day is such that the calorific value of the waste becomes the average calorific value and the amount of chloride contained in the waste becomes the average chloride content. The quantity and quality of waste to be put into the pit 110 of the waste storage and incinerator 100 are set. Here, the content of the waste thrown in every day is, for example, the calorific value within the range of ± 5% of the average calorific value, and the chloride content per unit weight is ± 5% of the chloride average content. Set the amount and quality of waste within the range.

The method of acquiring the contents of waste for each day will be specifically described with reference to Table 1 and FIG. In Tables 1 and 4, since the calorific value of the waste to be carried in on Tuesday is higher than the average calorific value, the waste having a high calorific value among the wastes to be brought in on Tuesday (Table 1 and FIG. 4). 1 and 2) in parentheses in FIG. 4 are set to be put into the pit 110 of the waste storage incinerator 100 on Wednesday when the calorific value of the waste to be carried in is lower than the average calorific value. Further, in Tables 1 and 4, the calorific value of the waste to be carried in on Thursday and Friday is higher than the average calorific value, so that the calorific value of the waste to be brought in on Thursday and Friday is high. The pit 110 of the waste storage and incinerator 100 on Saturday when the calorific value of the waste (3, 4, 5, 6 in parentheses in Table 1 and FIG. 4) is lower than the average calorific value of the waste to be carried in. Set to put in. Furthermore, when acquiring the contents of the waste on a daily basis, the waste is disposed of so that the amount of chloride contained in the unit weight of the waste is the average chloride content, as in the calorific value. It is set to be put into the pit 110 of the storage incinerator 100.

(Step S9)
In step S9, the control unit 40 pits the waste storage and incinerator 100 every hour in the input content acquisition unit 47 based on the acquired waste carry-in schedule information, average calorific value and average chloride content. The contents of the waste to be put into 110 are acquired, and the processing is transferred to step S13.

Here, the method of acquiring the contents of the waste every hour is such that the calorific value of the waste becomes the average calorific value during the time zone in which the waste is carried in during the day, and the waste is generated. The amount and quality of the waste to be put into the pit 110 of the waste storage incinerator 100 are set so that the amount of chloride contained in the unit weight of the waste storage and incinerator 100 becomes the average chloride content.

The method of acquiring the contents of the waste every hour will be specifically described with reference to FIG. FIG. 5A shows the time when the waste is brought in. In FIG. 5A, at around 10 o'clock, the amount of waste with a high calorific value is large among all the wastes to be carried in, and the calorific value of the waste is higher than the average calorific value. Further, in FIG. 5A, there is no waste having a high calorific value and no waste having a low calorific value among all the wastes scheduled to be carried in at 8 o'clock, 11 o'clock and 13 o'clock. The calorific value of waste is lower than the average calorific value. Therefore, the calorific value of the waste varies between 8 o'clock and 16 o'clock. Therefore, in FIG. 5 (b), the low calorific value waste (1 and 2 in FIG. 5 (a)) scheduled to be carried in at 8 o'clock and 13 o'clock is reduced to 15 o'clock and 16 o'clock. High calorific value waste (3 and 4 in FIG. 5A), which is set to be put into the pit 110 of the waste storage incinerator 100 and is scheduled to be carried in at 10 o'clock, is placed at 11 o'clock and 13 o'clock. It is set to be put into the pit 110 of the waste storage and incinerator 100 at the time. In addition, when acquiring the contents of waste every hour, the waste is discarded so that the amount of chloride contained in the unit weight of the waste becomes the average chloride content, as in the calorific value. It is set to be put into the pit 110 of the material storage incinerator 100.

(Step S10)
If it is not determined in step S7 that the total heat amount is equal to or greater than the minimum heat amount, the control unit 40 acquires the insufficient heat amount in the insufficient heat amount acquisition unit 46 in step S10, and shifts the process to step S11.

(Step S11)
In step S11, the control unit 40 stores and incinerates the waste every day for 7 days in the next week in the input content acquisition unit 47 based on the acquired waste carry-in schedule information, average calorific value, average chloride content and insufficient calorific value. The contents of the waste to be put into the pit 110 of the apparatus 100 and the amount of the auxiliary combustion material are acquired, and the processing is transferred to step S12.

(Step S12)
In step S12, the control unit 40 uses the input content acquisition unit 47 to store and incinerate the waste every hour in one day based on the acquired waste carry-in schedule information, average calorific value, average chloride content, and insufficient calorific value. The contents of the waste to be put into the pit 110 of 100 and the amount of the auxiliary combustion material are acquired, and the processing is transferred to step S13.

(Step S13)
In step S13, the control unit 40 determines the contents of the waste to be put into the pit 110 of the waste storage and incinerator 100 acquired in steps S8 and S9, or the waste storage and incinerator 100 acquired in steps S11 and S12. The charging unit 30 is driven according to the content of the waste to be charged into the pit 110 and the amount of the auxiliary combustion material, and the waste mixing charging process is completed.

As described above, according to the waste mixing and charging device and the waste mixing and charging method of the present embodiment, information on the loading time of the waste to be carried in during the 7 days of the next week and the waste to be carried in are to be carried in. 7 days of the next week based on the waste carry-in schedule information acquisition unit 41 that acquires the waste carry-in schedule information, which is information on the quantity and quality of the waste, and the waste carry-in schedule information acquisition unit 41 that acquires the waste carry-in schedule information acquisition unit 41. The total calorific value acquisition unit 42 that acquires the total calorific value, which is the calorific value generated during the combustion of the waste carried into the waste, the carry-in schedule information acquired by the waste carry-in schedule information acquisition unit 41, and the total calorific value acquisition unit 42. Based on the total amount of heat generated, the average calorific value acquisition unit 43 that acquires the average calorific value, which is the average calorific value per unit amount of waste that is scheduled to be carried in for the next 7 days, and the waste carry-in schedule information acquisition unit 43. Based on the waste carry-in schedule information acquired in 41 and the average calorific value acquired by the average calorific value acquisition unit 43, the quantity and quality of the waste to be put into the pit 110 of the waste storage and incineration device 100 in one day are determined. The quantity and quality of waste acquired by the input content acquisition unit 47 from the input content acquisition unit 47 to be acquired, the waste classification receiving unit 10 that classifies and receives the carried-in waste, and the waste classification receiving unit 10. Is provided with a charging unit 30 for charging the waste into the pit 110 of the waste storage and incineration device 100.

As a result, the amount and quality of the waste to be put into the pit 110 of the waste storage incinerator 100 in one day is acquired based on the waste carry-in schedule information and the average calorific value of the waste, so that the waste is generated in one day. Since it is possible to stabilize the amount of heat, it is possible to stably recover heat energy in the waste power generation system.

Further, based on the waste carry-in schedule information acquired by the waste carry-in schedule information acquisition unit 41, the total chloride content, which is the amount of chloride contained in the waste carried in during the 7 days of the next week, is obtained. Based on the total chloride content acquired by the total chloride content acquisition unit 44 and the total chloride content acquisition unit 44, the average amount of chloride per unit amount of waste to be delivered in the next 7 days. The chloride average content acquisition unit 45 for acquiring the chloride average content, which is the content of the waste, is provided, and the input content acquisition unit 47 is the waste import schedule information acquired by the waste import schedule information acquisition unit 41. Based on the average calorific value acquired by the average calorific value acquisition unit 43 and the chloride average content acquired by the chloride average content acquisition unit 45, the waste is charged into the pit 110 of the waste storage and incineration device 100 in one day. Obtain the quantity and quality of waste.

As a result, the amount of chloride incinerated per day, which causes corrosion of the steel parts of the waste treatment system, can be averaged, so that it is possible to prevent the generation of high-concentration chlorine-based gas and dispose of it. It is possible to reduce the cost required for the maintenance of the physical power generation system.

Further, the input content acquisition unit 47 is the waste import schedule information acquired by the waste import schedule information acquisition unit 41, the average calorific value acquired by the average calorific value acquisition unit 43, and the chloride average content acquisition unit 45. Based on the obtained average chloride content, the quantity and quality of the waste to be put into the pit 110 of the waste storage incinerator 100 is acquired every hour.

As a result, the amount of heat generated in one hour can be stabilized, so that the heat energy can be recovered more stably in the waste power generation system. In addition, since the amount of chloride incinerated per hour can be averaged, the generation of high-concentration chlorine-based gas can be prevented each day, and the cost required for maintenance of the waste power generation system can be prevented. It is possible to reduce the amount.

Further, when the total heat amount acquired by the total heat amount acquisition unit 42 is smaller than the minimum heat amount which is the minimum required heat amount in the next 7 days, the insufficient heat amount acquisition unit 46 acquires the insufficient heat amount which is the insufficient heat amount. The auxiliary fuel receiving unit 20 and the input unit 30 for adding the auxiliary combustion material are provided based on the insufficient heat amount acquired by the insufficient heat amount acquisition unit 46.

As a result, it is determined in advance that the amount of waste to be put into the pit 110 of the waste storage and incinerator 100 in the next 7 days is insufficient, and the auxiliary combustion material is used together with the waste in the waste storage and incinerator 100. Since it can be put into the pit 110 of the waste storage and incinerator 100, it is possible to generate the minimum required thermal energy.

6 to 9 show other embodiments of the present invention. 6 is a schematic configuration diagram showing a waste mixing and charging device, FIG. 7 is a sectional view taken along the line AA of FIG. 6, FIG. 8 is a sectional view taken along the line BB of FIG. It is a cross-sectional view of CC. The same components as those in the above embodiment are designated by the same reference numerals.

In the waste mixing and charging device 1 of the present embodiment, as shown in FIG. 6, the first to fourth receiving units 11, 12, 13, and 14 are spaces for temporarily placing waste, respectively, and the vehicle. The waste loaded in the first to fourth receiving portions 11, 12, 13, and 14 are directly discharged.

Further, as shown in FIG. 6, the waste mixing and charging device 1 of the present embodiment supplies the waste to the transport unit 32 via the intermediate transport unit 33 for supplying the waste to the transport unit 32 and the intermediate transport unit 33. It has a mixing unit 34 for mixing the waste in advance, and a waste moving machine 35 for moving the waste from the first to fourth receiving units 11, 12, 13, 14 to the mixing unit 34. is doing.

As shown in FIG. 7, the transport unit 32 has one end side located near the floor surface as in the above embodiment, and the waste placed on the upper surface of the one end side drives the belt to the other. It is conveyed toward the end side and thrown into the pit 110.

As shown in FIG. 6, the intermediate transport unit 33 is a belt conveyor having an endless belt and at least a pair of rollers that rotatably support the endless belt in the transport direction, like the transport unit 32. .. The intermediate transport unit 33 is provided between the transport unit 32 and the mixing unit 34, and as shown in FIG. 8, the intermediate transport unit 33 transports the waste discharged from the mixing unit 34 upward by driving the belt and conveys the transport unit. It is designed to be discharged to the upper surface on one end side of 32.

As shown in FIG. 9, the mixing unit 34 includes a housing capable of accommodating waste, and a belt conveyor composed of an endless belt and a pair of rollers provided inside the housing. The belt conveyor of the mixing unit 34 bends on the other end side with respect to one end side and extends diagonally upward, and by driving the belt, the charged waste is mixed in the housing. .. The housing of the mixing unit 34 is provided with an opening for charging waste for charging waste into the housing on the upper surface on one end side, and an opening for discharging waste from which the mixed waste is discharged. It is provided at the lower part on the other end side.

The waste transfer machine 35 is a self-propelled traveling body such as a wheel loader provided with a hydraulically driven bucket. The waste moving machine 35 throws in the waste received by the first to fourth receiving units 11, 12, 13, and 14 through the opening of the mixing unit 34 by traveling and operating the bucket.

In the waste mixing and charging device 1 configured as described above, the waste received by the first to fourth receiving units 11, 12, 13, and 14 is the amount of waste acquired by the input content acquisition unit 47. And according to the quality, it is charged through the opening of the mixing unit 34 by the waste transfer machine 35.

The waste charged in the mixing unit 34 is mixed in the mixing unit 34, then transported to the transport unit 32 via the intermediate transport unit 33, transported by the transport unit 32, and charged into the pit 110.

As described above, the waste mixing and charging device and the waste mixing and charging method of the present embodiment are the same as the above-described embodiment, based on the waste import schedule information and the average calorific value of the waste, and the waste is stored and incinerated in one day. By acquiring the amount and quality of the waste to be put into the pit 110 of the apparatus 100, it is possible to stabilize the amount of heat generated in one day, so that the heat energy can be stably recovered in the waste power generation system. It becomes possible.

Further, the transport unit 32 includes a mixing unit 34 for preliminarily mixing the waste to be charged into the pit 110 of the waste storage incinerator 100.

As a result, the waste mixed by the mixing unit 34 can be put into the pit 110 of the waste storage incinerator 100, so that the amount of heat generated at the time of incinerating the waste in the incinerator 150 can be further stabilized. Become.

In the above embodiment, as an example of the waste treatment system, a waste power generation system that recovers the heat energy generated at the time of incineration of waste as electric power is shown, but the present invention is not limited to this. As long as the heat energy generated at the time of incinerating the waste is recovered, for example, hot water may be generated by the generated heat energy and the generated hot water may be used as a heat source of the air conditioner.

Further, in the above embodiment, the waste carry-in schedule information for 7 days of the next week as the first predetermined period is acquired, and the total calorific value and the average calorific value for 7 days of the next week are acquired based on the acquired waste carry-in schedule information. However, the amount and quality of the waste to be put into the pit 110 of the waste storage incinerator 100 in one day as the second predetermined period are obtained based on the total calorific value and the average calorific value. The first predetermined period is not limited to seven days in the following week, and the second predetermined period is not limited to one day. The total calorific value and the average calorific value are acquired based on the waste carry-in schedule information in the first predetermined period, and the amount and quality of the waste to be put into the pit 110 of the waste storage and incineration apparatus 100 based on the total calorific value and the average calorific value. For example, the total calorific value and the average calorific value are acquired based on the waste carry-in schedule information for 10 days from the next day onward, and the waste per day is obtained based on the acquired total calorific value and the average calorific value. The amount and quality of the waste to be put into the pit 110 of the storage incinerator 100 may be acquired, or the total calorific value and the average calorific value may be acquired based on the waste carry-in schedule information for one month, and the acquired total calorific value may be acquired. And, based on the average calorific value, the quantity and quality of the waste to be put into the pit 110 of the waste storage and incineration apparatus 100 may be acquired in one week.

Further, in the above embodiment, the content of chloride that causes corrosion of the steel member of the waste treatment system is averaged and incinerated, but the present invention is not limited to this. Other substances that cause corrosion of steel components of waste treatment systems include, for example, sulfur oxides and fluorine. The amount of sulfur oxides and fluorine contained in waste is obtained and contained in the waste. The amount of sulfur oxides and fluorine generated may be averaged and incinerated.

Further, in the above-described embodiment, the waste import schedule information acquisition unit 41 is configured to acquire the waste import schedule information via the communication unit, but the present invention is not limited to this. As a means for acquiring the waste import schedule information in the waste import schedule information acquisition unit, the waste import schedule information acquisition unit inputs the waste import schedule information by using an input means such as a keyboard. You may try to acquire the schedule information.

Further, in the above embodiment, the calorific value of the waste charged into the pit 110 of the waste storage incinerator 100 every day is within the range of ± 5% of the average calorific value, and the chloride content is the chloride average content. Although the amount and quality of the waste to be put into the pit 110 of the waste storage and incinerator 100 are set so as to be within the range of ± 5%, the present invention is not limited to this. The content of the waste to be charged every day is, for example, the calorific value of the waste is within the range of ± 3% of the average calorific value, and the chloride content is within the range of ± 10% of the average chloride content. It is also good, and each can be set arbitrarily.

Further, in the above embodiment, the waste classification receiving unit 10 classifies the carried-in waste according to the timing of carrying in and the timing of putting it into the pit 110, and the first to fourth receiving units 11 and 12 , 13, and 14 are shown to be accepted, but the present invention is not limited to this. For example, each of the first to fourth receiving units 11, 12, 13, and 14 receives waste having different calorific values, and the first to fourth receiving units 11, 12, 13, and 14 dispose of the waste. By adjusting the amount of discharged material, the calorific value of the waste charged into the pit 110 may be the average calorific value.

1 Waste mixing input device 10 Waste classification receiving unit 11 1st receiving unit 12 2nd receiving unit 13 3rd receiving unit 14 4th receiving unit 20 Auxiliary fuel receiving unit 30 Input unit 40 Control unit 41 Obtaining information on waste delivery schedule 42 Total calorific value acquisition unit 43 Average calorific value acquisition unit 44 Total chloride content acquisition unit 45 Chloride average content acquisition unit 46 Insufficient calorific value acquisition unit 47 Input content acquisition unit 100 Waste storage incinerator 110 Pit 150 Incinerator

Claims (12)

A waste treatment system that has a pit for storing waste and an incinerator for incinerating the waste stored in the pit, and recovers the thermal energy generated when the waste is incinerated in the incinerator. A waste mixing and charging device that mixes and loads waste into the pit.
1st Waste Carry-in Schedule Information Acquisition Department that acquires information on the carry-in time of waste scheduled to be carried in during the specified period, and waste carry-in schedule information that is information on the quantity and quality of the waste to be carried in. When,
Based on the waste carry-in schedule information acquired by the waste carry-in schedule information acquisition unit, the total calorific value acquisition which is the calorific value generated at the time of combustion of the waste scheduled to be carried in in the first predetermined period is acquired. Department and
A unit of waste to be carried in during the first predetermined period based on the waste carry-in schedule information acquired by the waste carry-in schedule information acquisition unit and the total heat amount acquired by the total heat amount acquisition unit. An average calorific value acquisition unit that acquires the average calorific value, which is the average value of the calorific value per quantity,
Based on the waste carry-in schedule information acquired by the waste carry-in schedule information acquisition unit and the average calorific value acquired by the average calorific value acquisition unit, in a second predetermined period shorter than the first predetermined period. The input content acquisition unit that acquires the quantity and quality of waste to be input into the pit,
A waste classification and receiving unit that classifies and receives the carried-in waste,
A waste mixing and charging device including a charging unit for charging the amount and quality of waste acquired in the input content acquisition unit from the waste classification receiving unit into the pit. Based on the waste carry-in schedule information acquired by the waste carry-in schedule information acquisition unit, the total content of the predetermined substance, which is the amount of the predetermined substance contained in the waste carried in during the first predetermined period, is acquired. Prescribed substance total content acquisition unit and
Based on the waste carry-in schedule information acquired by the waste carry-in schedule information acquisition unit and the predetermined substance total content acquired by the predetermined substance total content acquisition unit, the waste carry-in is carried out in the first predetermined period. A predetermined substance average content acquisition unit for acquiring a predetermined substance average content, which is an average value of the content of a predetermined substance per unit amount of planned waste, is provided.
The input content acquisition unit is the waste import schedule information acquired by the waste import schedule information acquisition unit, the average calorific value acquired by the average calorific value acquisition unit, and the predetermined substance average content acquisition unit. The waste mixing charging device according to claim 1, wherein the amount and quality of the waste to be charged into the pit during the second predetermined period are acquired based on the acquired average content of the predetermined substance. The input content acquisition unit is the waste import schedule information acquired by the waste import schedule information acquisition unit, the average calorific value acquired by the average calorific value acquisition unit, and the predetermined substance average content acquisition unit. The waste mixing charging device according to claim 2, wherein the amount and quality of waste to be charged into the pit is acquired in a third predetermined period shorter than the second predetermined period based on the acquired average content of the predetermined substance. .. The first predetermined period is 7 days.
The second predetermined period is one day,
The waste mixing and charging device according to claim 3, wherein the third predetermined period is one hour. The waste mixing and charging device according to any one of claims 2 to 4, wherein the predetermined substance is chloride. When the total heat amount acquired by the total heat amount acquisition unit is smaller than the minimum heat amount which is the minimum required heat amount in the first predetermined period, the insufficient heat amount acquisition unit which acquires the insufficient heat amount which is the insufficient heat amount and the insufficient heat amount acquisition unit.
The waste mixing charging device according to any one of claims 1 to 5, further comprising an auxiliary combustion material addition unit for adding an auxiliary combustion material based on the insufficient heat amount acquired by the insufficient heat amount acquisition unit. A waste treatment system that has a pit for storing waste and an incinerator for incinerating the waste stored in the pit, and recovers the thermal energy generated when the waste is incinerated in the incinerator. This is a waste mixing and charging method in which waste is mixed and charged into the pit.
First Waste import schedule information acquisition process to acquire waste import schedule information, which is information on the delivery time of waste scheduled to be delivered during the predetermined period, and information on the quantity and quality of waste scheduled to be delivered. When,
Based on the waste carry-in schedule information acquired in the waste carry-in schedule information acquisition process, the total calorific value acquisition which is the calorific value generated at the time of combustion of the waste scheduled to be carried in in the first predetermined period is acquired. Process and
A unit of waste to be carried in during the first predetermined period based on the waste carry-in schedule information acquired in the waste carry-in schedule information acquisition process and the total heat amount acquired in the total heat amount acquisition step. The average calorific value acquisition process for acquiring the average calorific value, which is the average value of the calorific value per quantity, and the average calorific value acquisition process.
Based on the waste carry-in schedule information acquired in the waste carry-in schedule information acquisition process and the average calorific value acquired in the average calorific value acquisition step, in a second predetermined period shorter than the first predetermined period. The input content acquisition process for acquiring the quantity and quality of waste to be input into the pit, and
The waste classification process for classifying the carried-in waste and
A waste mixed charging method comprising a charging step of charging the amount and quality of waste acquired in the input content acquisition process from the waste classified in the waste classification step into the pit. Based on the waste carry-in schedule information acquired in the waste carry-in schedule information acquisition process, the total content of the predetermined substance, which is the amount of the predetermined substance contained in the waste carried in during the first predetermined period, is acquired. Predetermined substance total content acquisition process and
It is an average value of the content of a predetermined substance per unit amount of waste to be carried in in the first predetermined period based on the total content of the predetermined substance acquired in the step of acquiring the total content of the predetermined substance. Provided with a predetermined substance average content acquisition step for acquiring a predetermined substance average content,
In the input content acquisition step, in the waste carry-in schedule information acquired in the waste carry-in schedule information acquisition step, the average calorific value acquired in the average calorific value acquisition step, and the predetermined substance average content acquisition step. The waste mixed charging method according to claim 7, wherein the amount and quality of the waste to be charged into the pit during the second predetermined period are acquired based on the acquired average content of the predetermined substance. In the input content acquisition step, in the waste carry-in schedule information acquired in the waste carry-in schedule information acquisition step, the average calorific value acquired in the average calorific value acquisition step, and the predetermined substance average content acquisition step. The waste mixed charging method according to claim 8, wherein the amount of waste to be charged is adjusted every third predetermined period shorter than the second predetermined period based on the acquired average content of the predetermined substance. The first predetermined period is 7 days.
The second predetermined period is one day,
The waste mixed charging method according to claim 9, wherein the third predetermined period is one hour. The waste mixing and charging method according to any one of claims 8 to 10, wherein the predetermined substance is chloride. When the total heat amount acquired in the total heat amount acquisition step is smaller than the minimum heat amount which is the minimum required heat amount in the first predetermined period, the insufficient heat amount acquisition step for acquiring the insufficient heat amount which is the insufficient heat amount and the insufficient heat amount acquisition step.
The waste mixing and charging method according to any one of claims 7 to 11, further comprising an auxiliary combustion material addition step of adding an auxiliary combustion material based on the insufficient heat amount acquired in the insufficient heat amount acquisition step.

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