KR20100094165A - Food garbage disposer and it's controlling method having both magnetron and warm-air heater - Google Patents

Abstract

PURPOSE: A food garbage disposal apparatus including a microwave heater and a hot blast heater and a control method thereof are provided to improve deodorization capacity and maintain the high thermal efficiency of a treating container. CONSTITUTION: A control method of a food garbage disposal apparatus comprises following steps. The temperature of the exhaust air of a food garbage containing and disposing container(11) is detected by a temperature sensor(21). The change of the detected temperature is monitored, and magnetron is suspended before the gradient of temperature arrives to a changing point. The exhaust air from the treating container is heated by a heater(23), so that hot air circulates inside and outside the treating container.

Description

Food waste disposer and control method having both a microwave heating means and a warm air heating means {food garbage disposer and it's controlling method having both magnetron and warm-air heater}

The present invention relates to a food waste treatment apparatus and a method of controlling the food waste, comprising the steps of heating and drying the food waste in a microwave using a magnetron and heating the hot air using a hot wire heater to complete drying in a short period of time.

In general, the food waste processor is a device for treating garbage generated in the kitchen of a home or restaurant, the treatment method is mainly by drying or fermentation, the method of drying by heating the air using a heater heater Afterwards, the food waste is dried by selecting either a warm air drying method of drying with hot air or a microwave heating method using a magnetron.

The appearance of the technical idea disclosed in Japanese Patent Application Laid-Open No. 2003-326229 (Patent Document 1) as a technology for heating and drying food using microwaves in food waste is shown in FIG. 1. The waste disposal apparatus is configured to open and close the top of the box-shaped microwave shielding chamber 2 installed in the housing 1 by attaching an electromagnetic shielding lid to the housing 1 using a hinge. (2) is provided to surround surfaces other than the upper surface with the metal plate 4, such as stainless steel which reflects a microwave.

The food waste of the patent is accommodated in a processing container 5 having a bottom that transmits microwaves, and the processing container 5 is installed in a form that is detached from the microwave shielding chamber 2 and accommodated in the processing container 5. It is provided to be rotatable to stir the waste, the bottom portion of the processing container (5) is equipped with a rotary cutter that is rotated on top of the processing container (5) for cutting food waste, the housing in the microwave shielding room (2) The microwaves from the magnetron installed in (1) are irradiated from the outside of the side wall of the microwave shielding chamber (2), and the wind supplied to the cooling of the magnetron intaken from the outside of the apparatus by the intake fan installed in the housing (1) 3) is guided to the metal blowing guide 6 installed on the inner side (lower surface) of the 3) provided to be blown into the processing vessel (5), the side wall of the microwave shielding chamber (2) Unit has a configuration in which the technique disclosed forced evacuation to occur outside the housing (1) by the intake air within the air outlet (7) is provided with a lower exhaust fan treatment container 5 installed in the housing (1).

In addition, Japanese Patent Application Laid-Open No. 2004-66053 (Patent Document 2) discloses a food waste treatment apparatus having the above structure, which detects the exhaust temperature from a processing container with a temperature sensor, monitors the detection temperature, and detects the linear temperature. A technique is disclosed to automatically terminate the drying process by the magnetron when there is a sudden rise from a gentle upward trend.

In addition, Japanese Patent Application Laid-Open No. 2005-103355 (Patent Document 3) discloses a catalyst disposed in an exhaust path formed outside a processing chamber (microwave shielding chamber), and exhausts exhaust gas from the processing vessel to the outside of the apparatus while desorbing the catalyst as a heat source. As a result, a technique of using a food waste drying magnetron in combination is disclosed.

However, the conventional food waste treatment apparatus disclosed above may cause dangerous situations such as combustion / ignition due to excessive drying of food waste, and thus, it is difficult to raise the heat resistance temperature of the processing container with a microwave permeable material, thus treating the processing container. The problem that melted also occurred.

 In addition, as described in Patent Literature 2, when a sudden rise occurs from a gentle upward trend of detection temperature, the operation is forcibly terminated in a state in which the drying is still insufficient simply by automatically terminating the drying process by the magnetron. It was confirmed that the problem that the drying equipment needs to be restarted.

An object of the present invention is to find the best drying conditions such that food waste is excessively dried to reach a combustion / ignition state or vice versa.

In addition, the present invention aims to find a control condition of a food waste treatment apparatus that can efficiently exhibit deodorizing performance while maintaining exhaust gas from a processing container at high thermal efficiency.

The first invention of the present invention is to install a rotary or non-rotating treatment container for receiving food waste in a microwave shielding chamber that receives microwaves from the magnetron and to install the rotary cutter inside the processing container to heat and dry the food waste while cutting or stirring it. Regarding the control method of the food waste treatment apparatus, the exhaust temperature from the processing container is detected by a temperature sensor, and the change in the detected temperature is monitored before the temperature gradient reaches the point of change from a gentle rise to a sudden rise. After stopping the operation of the magnetron, the exhaust gas from the processing vessel is heated with a heating heater to circulate into and out of the processing vessel with warm air, and a part of the exhaust from the processing vessel while deodorizing part of the processing vessel by a control method by means of It is about.

In a specific embodiment of the first invention, the second invention is to control the change point in advance according to the amount of heat of the magnetron, the amount of air to the processing vessel and the capacity of the processing vessel.

A third aspect of the present invention relates to a technical idea of heating exhaust gas from the processing vessel into a circulation path formed outside the microwave shielding chamber by using a hot wire heater and circulating the processing vessel as warm air by a circulation fan.

The fourth invention according to the present invention is a technical idea of circulating as hot air while detecting the hot air temperature with a temperature sensor and controlling the hot air heater so that the temperature is maintained at the set temperature.

The fifth invention related to the present invention is a technical idea that the outside air outside the equipment is inhaled by an intake fan, heated by the heater, and circulated as warm air together with the exhaust from the processing vessel.

In accordance with a sixth aspect of the present invention, a part of the exhaust gas entering the microwave shielding chamber is catalyzed outside the microwave shielding chamber while the exhaust gas from the processing vessel is circulated by the circulation fan from the circulation into the processing chamber via the microwave shielding chamber. It is a technical idea to deodorize and discharge to outside of equipment by exhaust fan.

The technical idea of the seventh invention of the present invention is to form a microwave shielding chamber that receives microwaves from the magnetron in the housing, to install a rotary or non-rotating processing container for receiving food waste in the microwave shielding chamber, and to heat-dry the food waste while cutting or stirring it. In the food waste treatment apparatus, an exhaust deodorization part is formed between the microwave shielding chamber and the housing to form a circulation path for recirculating the exhaust from the processing container to the circulation fan and back to the processing container. And a temperature sensor for detecting the exhaust temperature from the processing vessel and a heater for heating the exhaust from the processing vessel and circulating the processing vessel as warm air by the circulation fan in the circulation passage, and detecting the temperature sensor. By monitoring the change in temperature A control circuit for controlling the magnetron or the heater is provided, and the control circuit stops the magnetron before the temperature gradient of the detected temperature changes from a gentle rise to a sudden rise, and then operates the heater to circulate the warm air. Disclosed is a food waste treatment apparatus.

The eighth invention related to the seventh invention is an embodiment in which the change point is set in advance in the control circuit according to the amount of heat of the magnetron and the amount of air to the processing vessel and the capacity of the processing vessel.

In the ninth invention related to the seventh and eighth inventions, the heater is installed in a circulation path formed outside the microwave shielding chamber, and the exhaust from the processing container is heated with a heater in a purifying furnace and treated as a warm air by a circulation fan. It is about a structure circulating inward.

A tenth invention related to the seventh to ninth inventions is that the control circuit controls the heater to circulate for a predetermined time while the warm air is maintained at the set temperature.

An eleventh invention related to the seventh to tenth inventions is provided with an intake fan that intakes external air outside the housing, and the intake air is heated by the heater to circulate as hot air with the exhaust fan from the processing container. to be.

The twelfth invention related to the seventh to eleventh inventions is that the circulation fan circulates exhaust from the processing vessel from the circulation passage into the processing vessel via the microwave shielding chamber, and the exhaust deodorizing portion It is a technology that deodorizes with a catalyst and discharges it out of the housing with an exhaust fan.

Referring to the operation of the food waste treatment apparatus having the above technical configuration in detail, in the first or seventh invention, the temperature sensor measures the temperature of the exhaust gas (including steam or gas generated from food waste in addition to air). The magnetron is stopped before the temperature gradient reaches the point of change that changes from a gentle rise to a sudden rise.

As a method of measuring the temperature gradient, the temperature sensor detects a temperature, sets a unit time, calculates a change in temperature per unit time, and recognizes the change point when the value is greater than or equal to a certain size.

Induction heating method using microwaves, as shown in the graph of the processing time and temperature relationship in Fig. 2, the microwaves are absorbed by moisture, the moisture is heated to sensible heat and vaporized by steam to latent heat, so when the food waste has a lot of water temperature The rise will be a gentle slope (up to H ₁ when the temperature reaches T ₁ ), but once the amount of water is less, the generation of water vapor will be less, and the air will warm up so that the temperature slope becomes sharp. Because of the degree, if the water drops to the place where the temperature rise (H ₂ ) has a characteristic that changes to steep slope.

Therefore, when the H ₂ is referred to as a change point, even after the change point when the H ₂ to continue the drying by microwave irradiation forms an grade slope of the temperature rise to reach the combustion / ignition.

Therefore, in the present invention, the drying treatment by microwave irradiation stops before the rising slope of the detection temperature (exhaust temperature from the processing vessel) by the temperature sensor reaches the change point (H ₂ ), after which the exhaust from the processing vessel is microwaved. By means of a heater installed outside the shielded room, it is heated to the warm air of the circulating fan to transfer to the warm air heating treatment to circulate the inside and outside of the processing container. Food waste treatment that can prevent combustion / ignition due to excessive drying by microwave irradiation. A device can be provided.

The temperature of the point of change (H ₂ ) at which the temperature rise changes rapidly with the gradient can be obtained from the experimental average or as a predicted value, and the optimum value can be obtained through the experiment. The temperature of the point of change is determined by the type of food waste discharged. The amount of change may be small depending on the throughput, and the operation of changing the setting of the change point one by one every time the type or amount of food waste changes may have a problem of forcing a user to set up a cumbersome setting.

Therefore, in the second or eighth invention of the present application, the point of change is to be set in advance according to the amount of heat of the magnetron, the amount of air to the processing vessel, and the capacity of the processing vessel. For example, the calorific value of the magnetron from the statistical mean obtained by experiments. The temperature of the point of change is determined as a function of the temperature and time for each of the air volume to the processing vessel and the capacity of the processing vessel, and the temperature (about 1 to 4 degrees) is lower than the temperature of the predetermined point of change (T1 in FIG. 2). When the temperature lower than 1 to 4 degrees is set in advance to the stop temperature of the magnetron, the change of the detection temperature of the temperature sensor detecting the exhaust temperature from the processing vessel is monitored and the temperature gradient is smooth as shown in FIG. As we know the transition from one rise to a sudden rise, when it reaches the temperature just before reaching the preset change point, the mug To stop the automatic teuronreul after that it is possible to dry a hot air circulation by the hot wire heating.

Therefore, it is possible to safely control the appropriate temperature corresponding to the heat capacity of the magnetron, the air volume of the processing container and the capacity of the processing container.

In the third or ninth invention of the present application, since the exhaust from the processing vessel is circulated in the processing vessel by hot air while the exhaust fan is heated by a hot wire heater using a circulation furnace formed outside the microwave shielding chamber, the exhaust from the processing vessel is circulated. It can be collected and heated to high thermal efficiency.

In the fourth or tenth invention of the present invention, the hot air temperature detected by the heater will be described with reference to FIG. 2 and the hot air is circulated by the set time from H ₁ to H ₃ while maintaining the hot air temperature at the set temperature T ₃ . Therefore, the hot air heating treatment can be stably operated even after the drying treatment by microwave irradiation.

In the fifth or eleventh invention of the present application, since the outside air outside the device is inhaled by an intake fan, the intake air is heated by a warm air heater and supplied as a warm air into the processing container, so that the amount of warm air is increased to increase the warm air heating treatment effect. do.

In the sixth or twelfth invention of the present application, since the exhaust from the processing container is circulated back to the processing container via the inside of the microwave car waste chamber, the thermal efficiency can be increased, and the microwave shielding is not carried out without suddenly taking out the exhaust from the processing container. It is possible to obtain the deodorizing effect with high efficiency because it is deodorized outside the microwave shielding room and forcedly discharged out of the device after passing through the room.

Embodiments in which the technical spirit of the present invention are specifically implemented will be described with reference to the drawings in the description of "details for carrying out the invention".

The present application has the effect of providing the best drying conditions such that the food waste is excessively dried to reach a combustion / ignition state, or conversely, to stop operation with insufficient drying.

In addition, there is an effect of providing a control condition of the food waste treatment apparatus that can efficiently exhibit the deodorizing performance while maintaining the exhaust from the processing vessel at high thermal efficiency.

In particular, as a result of the experiment it was confirmed that the dehydration time of the food can be significantly reduced compared to the conventional food processing apparatus.

DETAILED DESCRIPTION Hereinafter, embodiments of the technical spirit of the present invention will be described in detail with reference to the accompanying drawings, but the terms or words used in the specification or claims of the present application are not to be construed as being limited to ordinary or dictionary meanings. The protection scope of the present application should be construed as meanings and concepts corresponding to the technical idea of the invention, and the embodiments presented in the examples herein are merely one application for achieving the object of the present application. It is to be understood that there are various equivalents and modifications that can substitute for them at the time of the present application because they do not represent all of the technical ideas of the present invention.

A preferred embodiment of the food waste treatment apparatus of the present application is presented as a type A in FIG. 3, B type in Figure 4, Figure 3a shows a food waste treatment apparatus A type, Figure 3b is a food waste treatment The direction of air flow inside the device A type is indicated by an arrow. The food waste treatment device A type uses a bottomed cylindrical processing container 11 capable of microwave transmission, which is formed in a box shape installed in the housing 12. Placed in the microwave shielding chamber 13 and mounted on the swivel table 14 so as to be detachable, they are configured to rotate together with the swivel table 14.

In addition, although not shown, it is preferable that the handle is provided in the processing container 11 so as to be detachably attached to the outside of the container, and the processing container 11 is made of ceramic to increase heat resistance to microwave-transmitting materials such as polypropylene. It is preferable to shape | mold and provide by mixing etc.

When the rotary cutter 15 is mounted on the bottom surface of the processing container 11 and the processing container 11 is mounted on the swivel table 14, the rotary cutter 15 is used for the cutter installed on the outer lower portion of the microwave shielding chamber 13. The motor 16 is connected to each other with a clutch 17 as in the prior art, and is configured to rotate with the cutter motor 16, and the swivel table 14 is a stirring motor 18 installed at the outer lower portion of the microwave shielding chamber 13. Rotated).

The microwave shielding chamber 13 is surrounded by a metal plate such as stainless steel that reflects microwaves, and the front opening can be opened and closed by an electromagnetic shield door omitted in the drawing hinged to the housing 12. It is comprised so that the processing container 11 may be opened and taken out from the front opening of the microwave shielding room 13.

In addition, between the housing 12 and the microwave shielding chamber 13, the upper circulation path 19a horizontally on the outer upper side of the microwave shielding chamber 13 horizontally, the side circulation path 19b on one side of the outside, and exhaust deodorization on the other side. The furnace 19c is formed and is connected with the upper circulation path 19a and the side circulation path 19b.

In addition, an intake fan 20 is provided inside the intake port 12a formed in the housing 12 so that outside air taken in by the intake fan 20 is introduced from one end of the upper circulation path 19a, and inside the upper circulation path 19a. At the other end, a temperature sensor 21 or a humidity sensor 22 is provided, and an electrothermal heater 23 is provided in the middle of the upper circulation path 19a.

In the side circulation path 19b, a magnetron 24 and a circulation fan 25 in the downward direction are installed in the middle thereof, and microwaves from the magnetron 24 are processed from the middle of the side wall of the microwave shielding chamber 13. Permeate through the circumferential wall of the) and is irradiated into the processing vessel 11, the circulation fan 25 is circulated again through the side circulation path (19b) of air, water vapor, gas once entered into the microwave shielding chamber 13 from the processing vessel (11) Let's go.

In the exhaust deodorization passage 19c, an exhaust fan 26 is provided at the lower portion thereof, and a circulation fan 25 is installed in the upper direction thereof. The external exhaust port 28 is formed, and the exhaust deodorization part 29 is comprised by these, and the exhaust fan 26 carries out the gas which entered the microwave shielding chamber 13 from the external exhaust port 28 through the catalyst 27. Forced exhaust outside the housing 12, the deodorizing catalyst 27 is preferably heated to 150 ~ 200 ℃ range of catalyst heating heater not shown in the drawing to increase the activity.

In addition, the processing vessel 11 mounted on the swivel table 14 can close the top opening with the top cover 30, and the inlet 31 and the exhaust port 32 are formed in the top cover 30, and the inlet 31 is The intake side communication chamber 33 formed in the upper portion communicates with the upper circulation passage 19a, and the exhaust port 32 has an exhaust side on a partition wall 34 having a porous structure or a mesh structure for microwave shielding. A communication chamber 35 is formed so that the exhaust port 32 communicates with the inside of the microwave shielding chamber 13 with the exhaust side communication chamber 35 interposed therebetween and forms a partition wall 34 that forms the exhaust side communication chamber 35. Alternatively, the partition walls 36 to 37 forming the intake side communication chamber 33 are located at the ceiling of the microwave shielding chamber 13.

The food waste treatment device type A having such a structure can be operated as follows by mounting the processing container 11 containing the food waste on the swivel 14, when the power is turned ON to start the swivel ( 14) As the above processing container 11 is rotated by the stirring motor 18 and the rotating cutter 15 in the processing container 11 is rotated by the cutter motor 16, microwaves from the magnetron 24 are generated. The inner wall of the treatment vessel 11 is irradiated into the treatment vessel 11, and the outside air is inhaled by the intake fan 22 to enter the treatment vessel 11 from the inlet 31 of the top cover 30. At the same time, the exhaust from the processing container 11 (steam vapor or generated gas evaporated from food waste other than air) passes from the exhaust port 32 of the upper cover 30 through the exhaust side communication chamber 35 and into the microwave shielding chamber 13. Lateral circulation by the circulation fan 25 once it enters Part 19b or the upper circulation passage 19a is circulated again into the processing vessel 11, and at the same time, a part of the exhaust from the processing vessel 11 entering the microwave shielding chamber 13 is transferred to the exhaust fan 26. By the deodorization to the catalyst 27 by the discharge from the external exhaust port 28 to the housing 12.

On the other hand, the exhaust from the processing vessel 11 circulating through the side circulation passage 19b or the upper circulation passage 19a is detected by the temperature sensor 21 and the humidity is detected by the humidity sensor 22. The magnetron 24, the heater 23, the intake fan 20, the circulation fan 25, the exhaust fan 26, and the catalyst heating heater are controlled by a control circuit according to the detected temperature or detected humidity. As shown in FIG. 2, the detected temperature by (21) increases with the passage of time as the drying of food waste by microwaves progresses, and the temperature rises slowly when the moisture of the food waste is high. However, when the water drops, the generation of water vapor decreases as the water becomes low, and the air warms accordingly, and the temperature gradient changes abruptly, and the specific heat of the air is about 1/500 of the water. The point (H ₂ ) will change to steep slope.

In this invention, this time point H2 is grasped | ascertained as a change point, and the temperature which reaches this change point is experimentally determined from the statistical mean value to the amount of heat of the magnetron 24, the amount of air from the processing container 11, and the capacity of the processing container 11. The control circuit monitors the rising slope of the detected temperature by the temperature sensor 21 and controls the temperature at which the detected temperature reaches the temperature of the change point (1 to 4 ° C). 2 references T ₁₎ stops the magnetron (24) and thereafter the temperature is the hot air temperature, while detecting the warm air temperature in by the upper circulation path (19a) or the side circulation path (19b) to a temperature sensor 21 is set (T ₃ Is controlled to operate the heater 23 for a set time from H ₁ to H ₃ .

For example, if the temperature of the change point determined according to the amount of heat of the magnetron 24 and the amount of air to the processing vessel 11 and the capacity of the processing vessel 11 is a temperature between 60 and 90 degrees, which is 100 degrees or less, the temperature sensor 21. When the temperature detected by the temperature reaches 1 to 4 degrees lower than that, the magnetron 24 is stopped and the hot air temperature continuously detected by the temperature sensor 21 is between 100 and 120 degrees. It is to control the heater 23 to maintain the and to operate this for a set time.

Therefore, after the magnetron 24 is stopped, a system in which the warm air heated by the heater 23 is sent from the intake port 31 of the top cover 29 into the processing container 11 by the circulation fan 25 is operated. Drying by warm air that does not reach the ignition temperature and exhaust from the processing vessel 11 passes through the exhaust side communication chamber 35 from the exhaust port 32 of the top cover 30 and into the microwave shielding chamber 13. Once entered, it passes through the side circulation passage 19b or the upper circulation passage 19a by the circulation fan 25 and is heated by the heater 23 again to circulate back into the processing vessel 11 and into the microwave shielding chamber 13. A portion of the exhaust from the processing vessel 11 that comes in is provided to be discharged from the external exhaust port 28 out of the housing 12 while being deodorized into the catalyst 27 by the exhaust fan 26 therebetween.

At this time, if the air volume of the intake fan 20 is 5 liters per hour, for example, the air volume of the circulation fan 25 includes gas generated from steam or food waste that the exhaust from the processing container 11 evaporates from food waste in addition to air. As a result, about 10 liters of air intake fan 20 is at least twice as large as air volume, and the air volume of exhaust fan 26 is about three times (15 liters) of intake fan 20.

Figure 4a is a block diagram showing the food waste treatment apparatus B type to which the technical idea of the present application is applied, Figure 4b shows the air flow of the type B.

Food waste treatment device type B opens and closes the upper surface of the microwave shielding chamber 13 to open and close the electromagnetic shield door 38, and allows the processing container 11 to be withdrawn from the upper opening of the microwave shielding chamber 13, and the microwave shielding is performed. The exhaust passage 41 which communicates with the double circulation passage 40 while forming the king circulation passage 39 and the double circulation passage 40 in parallel between the chamber 13 and the housing 12. ).

In addition, in the electromagnetic shielding door 38, the intake chamber 46, the king circulation chamber 47, and the clothing are provided by the top cover 30 and the partition walls 42 to 45 that close the top opening of the processing container 11. (Iii) An intake fan 20 is provided inside the intake port 12a formed in the housing 12, and the outside air sucked by the intake fan 20 opens the intake chamber 46. It is introduced into the processing vessel 11.

The rotary cutter 15 in the processing vessel 11 mounted on the pedestal 14 in the microwave shielding chamber 13 is rotated by the cutter motor 16 and the microwaves from the magnetron 24 are processed in the processing vessel 11. Irradiated into the processing vessel 11 through the circumferential wall of the) is the same as the A type, and the circulation fan 25 and the heat transfer heater 23 are installed up and down in the royal circulation passage 39. The exhaust from the processing vessel 11 passes through the royal circulation chamber 47 by the action of the circulation fan 25, enters the royal circulation path 39, and passes through the abdominal circulation path 40. The cycle circulates from the cycle circulation chamber 48 back into the processing container 11, and when the heater 23 is operating like the A type, it is circulated by the warm air.

A temperature sensor 21 for detecting the temperature of the exhaust from the processing vessel 11 is provided between the king circulation chamber 47 and the king circulation path 39 to detect the detected temperature of the temperature sensor 21. Is controlled by a control circuit, and the magnetron 24, the heater 23, and the like are controlled as in Embodiment 1, and the exhaust path 41 is filled with platinum / The palladium catalyst is installed to constitute the exhaust deodorization unit 29, and a part of the exhaust from the processing vessel 11 is opened from the double circulation passage 40 through the exhaust passage 41 to the outside of the housing 12. It is discharged out of the apparatus from the exhaust port 28.

In addition, in the case of A type or B type, the exhaust deodorizing portion 29 is installed in the housing 12, but the external attachment type structure independent of the housing 12, i.e., the structure is connected to the outside of the housing 12. Of course, it can be modified.

Figure 5 shows the processing flow chart of the food waste treatment apparatus of the present application, briefly looking at the processing flow, when the food waste treatment apparatus is started, a circulation fan for exhaust, a deodorization fan for deodorizing the exhaust gas, from the treatment vessel in the circulation In a system equipped with a temperature sensor that detects the exhaust temperature and a control circuit that monitors changes in the detected temperature and controls the magnetron and the heater, if the food container contains food waste, the agitation is performed and the magnetron starts to operate. When the temperature is increased, stirring is performed up to the predetermined set temperature, heating continues, and when the temperature reaches the predetermined set temperature, the operation of the magnetron is stopped according to the set temperature control program by thermostart. The heater starts to heat up to the target value. Reaches the target value, and the heater operation stop, it can be applied in a configuration in which a predetermined time elapses and the process is complete when the circulation fan and a deodorizing fan and stirring action to stop the entire system is shut down.

In the above-described setting temperature control program, the desired temperature or control condition may be set and operated at any time according to the characteristics of food waste and the moisture content.

1: Example of a conventional food waste treatment apparatus

2 is a graph showing the relationship between processing time and temperature in the control method of the present application

Figure 3: Exemplary food waste treatment apparatus A type that the technical idea of the present application is implemented.

Figure 4: Exemplary food waste treatment apparatus B type that the technical idea of the present application is implemented.

5 is a flow chart of the food waste treatment apparatus of the present application

********* Explanation of the main symbols in the drawings *********

11: processing container 12: housing

12a: intake vent 13: microwave shield chamber

14: rotating table 15: rotating cutter

16: cutter motor 17: clutch

18: stirring motor 19a: upper circulation path

19b: side circulation passage 19c: exhaust deodorization passage

20: intake fan 21: temperature sensor

22: humidity sensor 23: heating heater

24: magnetron 25: circulation fan

26 exhaust fan 27 deodorizing catalyst

28: external exhaust port 29: exhaust withdrawal

30: top cover 31: intake vent

32: exhaust port 33: intake communication chamber

34: partition a 35: exhaust side communication chamber

36: partition b 37: partition c

38: electromagnetic shielding door 39: Wang circulation

40: double circulation passage 41: exhaust passage

42: partition d 43: partition e

44: partition f 45: partition g

46: intake chamber 47: royal circulation room

48: double circulation chamber 49: processing container base

Claims (12)

In the control method of the food waste processing apparatus which installs the processing container which accommodates food waste in a microwave shielding room which receives a microwave from a magnetron, and heat-drys it by cutting or stirring food waste in a processing container, By detecting the exhaust temperature of the food waste receiving and processing container with a temperature sensor, monitoring the change in the detected temperature, the magnetron before the slope of the temperature reaches the change point (H ₂ ) that changes from a gentle rise to a sudden rise Stopping the first step; A second step of circulating the exhaust from the processing container with a heater to circulate the inside and outside of the processing container with warm air and to discharge a part of the exhaust from the processing container to the outside of the apparatus; Food waste treatment apparatus control method characterized in that it is provided, including the configuration. The method of claim 1, In the first step, the change point (H ₂ ) is set in a range of 1 to 4 ° C. lower than the change point (H ₂ ) according to the amount of heat of the magnetron, the amount of air to the processing vessel, and the capacity of the processing vessel. Food waste treatment device control method. The method of claim 1, And discharging the exhaust from the processing container by a heater in a circulation path formed outside the microwave shielding chamber in the second step and circulating it into the processing container as warm air by a circulation fan. The method according to claim 1 or 3, And the warm air is provided to be circulated with the warm air while detecting the temperature with a temperature sensor and controlling the heater to maintain the temperature at the set temperature. The method according to claim 1 or 3, And the circulation of the warm air is provided to intake external air outside the apparatus by an intake fan and to heat the heater to circulate the warm air together with the exhaust from the processing container as warm air. The method according to claim 1 or 3, The exhaust of the processing vessel is circulated through the circulation passage through the microwave shielding chamber by the circulation fan and into the processing vessel while desorbing a part of the exhaust gas entering the microwave shielding chamber with a catalyst other than the microwave shielding chamber and providing the exhaust fan to the outside. Food waste treatment apparatus control method, characterized in that the. In the food waste processing apparatus which forms a microwave shielding chamber which receives microwaves from a magnetron in a housing, installs a processing container which accommodates food waste in the microwave shielding chamber, and heat-drys while cutting or stirring food waste in the processing container, A circulation path for recirculating the exhaust gas from the processing container back to the processing container by a circulation fan is provided between the microwave shield chamber and the housing, and has an exhaust deodorizing part for deodorizing the exhaust gas from the processing container and discharging it out of the housing. A temperature sensor for detecting the exhaust temperature from the processing vessel is provided, and a heater for heating the exhaust from the processing vessel and circulating the processing vessel with warm air by a circulation fan is provided, and the change of the detected temperature of the temperature sensor is monitored. A control circuit for controlling the magnetron and the heater is provided. The control circuit stops the magnetron before reaching the point of change H ₂ where the temperature gradient of the detected temperature changes from a gentle rise to a sharp rise, and then circulates the warm air. Food waste, characterized in that provided having a configuration to operate Device. The method of claim 7, wherein Wherein the change point (H ₂ ) is provided in the control circuit is set in the range of 1 ~ 4 ℃ lower than the change point (H ₂ ) in advance according to the amount of heat of the magnetron, the amount of air to the processing vessel and the capacity of the processing vessel. Food waste treatment device. The method of claim 7, wherein And the heater is installed in a circulation path formed outside the microwave shielding chamber, and is provided to heat exhaust from the processing container to the heater in the circulation path and circulate into the processing container as warm air by a circulation fan. The method according to claim 7 and 8, The control circuit is a food waste treatment apparatus, characterized in that for controlling the heater to be circulated by the set time in a state in which the warm air is maintained at the set temperature. The method of claim 7, wherein An intake fan for injecting external air is further provided in the configuration of claim 7, wherein the intake air is also heated by a heater and provided to circulate as warm air using a circulating fan together with the exhaust from the treatment vessel to supply the treatment vessel into the treatment vessel. Food waste treatment device. The method of claim 7, wherein The circulation fan is characterized in that the exhaust from the processing vessel is circulated through the circulation passage through the microwave shielding chamber into the processing vessel, and the exhaust deodorizing portion is provided to deodorize a portion of the exhaust with a catalyst and discharge out of the housing to the exhaust fan. Food waste treatment device.

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