JP2013113505A - Method of controlling supply of thermal energy to a plurality of driers, and thermal energy supply controlling system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method of controlling supply of thermal energy to a plurality of driers and a thermal energy supply controlling system, capable of determining various drying conditions according to the driers and improving economic performance.SOLUTION: This system includes: an operation module 2 for calculating thermal energy requirement of each of the driers 12 on the basis of a predetermined temperature T, a predetermined humidity Wand a baking time t determined in advance in each of the plurality of driers 12, and calculating a required supply amount to bake wastes in a combustor 11 and an amount of hot air supplied to each of the driers 12 on the basis of the thermal energy requirement of each of the driers 12; a detection module 3 detecting a baking temperature T and a humidity W of each of the driers 12; and a control module 4 comparing the baking temperature T and the predetermined temperature Tto increase the amount of hot air when the baking temperature T is lower than the predetermined temperature T, and to decrease the amount of hot air when the baking temperature T is higher than the predetermined temperature T.

Description

  The present invention relates to a thermal energy supply control method and thermal energy supply control method for a plurality of dryers using thermal energy by a combustor that burns combustible waste such as shells discharged in the production process of grains such as rice and wheat. About the system.

  In the production process of agricultural products and grains, various harvested wastes such as rice husks and sawdust are generated in large quantities and are very bulky. Some attempts have been made with regard to the treatment method and effective utilization method. For example, a combustor in which harvested waste such as rice husk is used as fuel and heat generated by combustion is made available has been proposed (see, for example, Patent Documents 1 and 2).

Taiwan registered utility model No. M304628 Taiwan registered utility model No. M304629

  Heat energy from the combustor is used in a dryer that dries crops such as flowers or wheat, but since one combustor is supplied per dryer, Since it does not lead to effective use and costs for equipment, there is a problem that is not economical. Although there is an attempt to supply heat energy from one dryer to a plurality of dryers, there is a problem in that it is not easy to use because the same drying conditions must be determined without being limited to the pipes to be connected.

  The present invention has been made in view of the above problems, and provides thermal energy to a plurality of dryers so that different drying conditions can be determined depending on the dryer and economic efficiency can be improved. It is an object of the present invention to provide a thermal energy supply control method and a thermal energy supply control system that can be performed.

In order to achieve the above object, according to one aspect, the present invention uses a thermal energy supply control system as a tool, and supplies an amount of combustible waste combusted in a combustor and an amount of hot air supplied to a plurality of dryers. A method of controlling
A first step in which the thermal energy supply control system acquires a predetermined temperature, a predetermined humidity, and a baking time of each of the plurality of dryers;
The thermal energy supply control system calculates each thermal energy requirement of the dryer based on each planned temperature, planned humidity and baking time of the dryer, and based on each calculated thermal energy requirement A second step of calculating a required supply amount for burning the combustible waste and a hot air amount supplied to each of the dryers;
A third step in which the thermal energy supply control system detects the respective baking temperature and humidity of the dryer; and the baking temperature is compared with the predetermined temperature in the thermal energy supply control system; A fourth step of supplying a large amount of the hot air when the temperature is lower than the temperature, and supplying a small amount of the hot air when the baking temperature is higher than the predetermined temperature. Provide a thermal energy supply control method.
According to another aspect, the present invention is a thermal energy supply control system that controls the supply amount of combustible waste combusted in a combustor and the amount of hot air supplied to each of a plurality of dryers. ,
Calculate the respective thermal energy requirements of the dryer based on the predetermined planned temperature, the predetermined humidity and the baking time of each of the plurality of dryers, and based on the respective thermal energy requirements of the dryer A calculation module for calculating a required supply amount for burning the waste in the combustor and an amount of hot air supplied to each of the dryers;
A detection module for detecting each baking temperature and humidity of the dryer;
The arithmetic module and the detection module are communicably connected to each other, compare the baking temperature with the planned temperature, and if the baking temperature is lower than the planned temperature, increase the amount of hot air, from the planned temperature There is also provided a thermal energy supply control system comprising a control module that reduces the amount of hot air when the baking temperature is high.

  According to the thermal energy supply control method and the thermal energy supply control device for a plurality of dryers according to the present invention, combustible waste that burns to the combustor according to each scheduled temperature, scheduled humidity, and baking time of the plurality of dryers The required amount of hot air is supplied by a required dryer while supplying a required amount of goods. Therefore, the supply state of heat energy can be adjusted for each dryer, which is easy to use and can improve the economy.

It is a figure which shows roughly one Embodiment of the thermal energy supply control system which concerns on this invention applied to a combustor and a some dryer. It is a block diagram which shows the structure of one Embodiment of the thermal energy supply control system which concerns on this invention. It is a flowchart which shows an example of the thermal energy supply control method to the some dryer which concerns on this invention.

DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments according to the present invention will be described with reference to the accompanying drawings. The embodiment described below is an example of the present invention, and the present invention is not limited to the following embodiment.
1 and 2, a thermal energy supply control system according to an embodiment of the present invention is configured to supply a combustible waste to be burned in a combustor 11 and supply hot air to each of a plurality of dryers 12. It is applied to control the quantity. The combustor 11 and the plurality of dryers 12 communicate with each other via a pipe line 13. The thermal energy supply control system according to the present embodiment includes an arithmetic module 2, a detection module 3, a control module 4, and a plurality of valve units 5.

The arithmetic module 2 calculates the thermal energy requirement of each dryer 12 based on the predetermined scheduled temperature T ₀ , the predetermined humidity W ₀ and the baking time t of each of the plurality of dryers 12, and the dryer Based on the respective thermal energy requirement amounts of 12, the required supply amount for burning the combustible waste in the combustor 11 and the hot air amount supplied to the dryer 12 are calculated.

  The detection module 3 has a plurality of thermometers 31 and a plurality of hygrometers 32, and each of the plurality of thermometers 31 is attached to each of the dryers 12 and detects the baking temperature T in each dryer 12. . Each of the hygrometers 32 is installed in each dryer 12 to detect the humidity W in each dryer 12.

The control module 4 is communicably connected to the calculation module 2 and the detection module 3. The control module 4 compares the baking temperature T with the planned temperature T _{0. When the} baking temperature T is lower than the planned temperature T _0, When the baking temperature T is higher than the planned temperature T _{0, the} amount of hot air is reduced.

  Each of the plurality of valve units 5 is attached between the combustor 11 and each of the plurality of dryers 12, and each valve unit 5 is connected to be controlled by the control module 4 so that the amount of hot air can be adjusted. Yes. Each valve unit 5 includes a hot air switch valve 51 that controls the amount of hot air supplied to each of the dryers 12, and a cold air control valve 52 that guides the cold air to the dryer 12 and mixes it with the hot air.

  Next, an example of a thermal energy supply control method for a plurality of dryers according to the present invention will be described with reference to FIGS. The thermal energy supply control method according to the present invention uses a thermal energy supply control system as a tool, and controls the supply amount of combustible waste combusted in a combustor and the amount of hot air supplied to a plurality of dryers. is there.

In step S61, the combustor 11 is switched on.
In step S <b> 62, the combustor 11 performs an automatic combustion procedure, and hot air obtained by combusting combustible waste is supplied to each dryer 12 through the pipe line 13. The cold air control valve 52 is completely closed by the control module 4.
In step S63, the calculation module 2 acquires the scheduled temperature T ₀ , the scheduled humidity W ₀ and the baking time t of each dryer 12.
In step S64, the calculation module 2 calculates the required amount of heat energy for each dryer 12 based on the estimated temperature T ₀ , the estimated humidity W _0, and the baking time t of each dryer 12, and calculates each calculated thermal energy. Based on the required amount, the required supply amount for burning the waste in the combustor 11 and the hot air amount supplied to the dryer 12 are calculated.
In step S <b> 65, the thermometer 31 and the hygrometer 32 detect the respective baking temperatures T and humidity W of the dryer 12.

In step S66, if the humidity W of any dryer 12 reaches the negative difference value −W ₀ lower than the predetermined humidity W ₀ by the control module 4, the process proceeds to step S67. On the other hand, if not reached, the process proceeds to step S68.
In step S67, the hot air switch valve 51 is turned off by the control module 4, and control is performed so that the amount of hot air supplied to the corresponding dryer 12 becomes zero until the baking time t.
In step S68, it is compared by the control module 4 and the baking temperature T of each dryer 12 to predetermined temperature T _0. When the baking temperature T of one of the dryer 12 is higher than the predetermined temperature T _0, the process proceeds to step S69, if the predetermined temperature T ₀ baking temperature T is lower than the flow proceeds to step S70.
In step S69, the control module 4 adjusts the degree of opening of the hot air switch valve 51 to reduce the amount of hot air to the dryer 12, and adjusts the degree of opening of the cold air adjustment valve 52 to supply the cold air to the pipe line 13 in step S69. The temperature of the hot air mixed with the hot air and supplied to the dryer 12 is lowered, and the process proceeds to step S63.
In step S70, the control module 4 greatly adjusts the degree of opening of the hot air switch valve 51 to incorporate a large amount of hot air into the corresponding dryer 12, and adjusts the degree of opening of the cold air adjustment valve 52 to the conduit 13. Reduce the supply of cold air or interrupt the supply of cold air. In this manner, the temperature of the hot air supplied to the dryer 12 is increased, and the process proceeds to step S63.

  As described above, a required amount of combustible waste to be combusted is supplied to the combustor 11 in accordance with the predetermined temperature, predetermined humidity and baking time of each of the plurality of dryers 12 and the required amount of hot air is supplied by the required dryer 12. To come. Therefore, the thermal energy of one combustor 11 can be used effectively, the supply condition of the thermal energy can be adjusted according to the baking conditions of the dryer 12, and it is easy to use and can improve the economy. it can.

  The thermal energy supply control method and thermal energy supply control system for a plurality of dryers according to the present invention are useful for supplying thermal energy from a combustor that burns combustible waste to a plurality of dryers.

11 Combustor 12 Dryer 13 Pipe line 2 Calculation module 3 Detection module 31 Thermometer 32 Hygrometer 4 Control module 5 Valve unit 51 Hot air switch valve 52 Cold air control valve t Bake time T Bake temperature T ₀ Expected temperature W Humidity W ₀ scheduled Humidity

Claims (5)

A method for controlling a supply amount of combustible waste combusted in a combustor and a hot air amount supplied to a plurality of dryers using a thermal energy supply control system as a tool,
A first step in which the thermal energy supply control system acquires a predetermined temperature, a predetermined humidity, and a baking time of each of the plurality of dryers;
The thermal energy supply control system calculates each thermal energy requirement of the dryer based on each planned temperature, planned humidity and baking time of the dryer, and based on each calculated thermal energy requirement A second step of calculating a required supply amount for burning the waste and a hot air amount supplied to each of the dryers;
A third step in which the thermal energy supply control system detects the respective baking temperature and humidity of the dryer; and the baking temperature is compared with the predetermined temperature in the thermal energy supply control system; A fourth step of supplying a large amount of the hot air when the temperature is lower than the temperature, and supplying a small amount of the hot air when the baking temperature is higher than the predetermined temperature. Thermal energy supply control method.   In the thermal energy supply control system, when the humidity reaches a negative difference value lower than the predetermined humidity, the thermal energy supply control system further includes a fifth step of controlling so that the amount of hot air supplied to the dryer becomes zero. The thermal energy supply control method to the some dryer of Claim 1. A thermal energy supply control system that controls a supply amount of combustible waste combusted in a combustor and a hot air amount supplied to each of a plurality of dryers,
Calculate the respective thermal energy requirements of the dryer based on the predetermined planned temperature, the predetermined humidity and the baking time of each of the plurality of dryers, and based on the respective thermal energy requirements of the dryer A calculation module for calculating a required supply amount for burning the waste in the combustor and an amount of hot air supplied to each of the dryers;
A detection module for detecting each baking temperature and humidity of the dryer;
The arithmetic module and the detection module are communicably connected to each other, compare the baking temperature with the planned temperature, and if the baking temperature is lower than the planned temperature, increase the amount of hot air, from the planned temperature And a control module for reducing the amount of hot air when the baking temperature is high.   It further has a plurality of valve units attached between the combustor and each of the plurality of dryers, and each of the plurality of valve units is controlled by the control module so that the amount of hot air can be adjusted. The thermal energy supply control system according to claim 3, wherein the thermal energy supply control system is connected to the control module.   Each of the plurality of valve units includes a hot air switch valve that controls the amount of hot air supplied to each of the dryers, and a cold air control valve that guides the cold air to the dryer and mixes it with the hot air. The thermal energy supply control system according to claim 4.

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