KR100216209B1 - Agitating cycle conversion method of the food garbage treating apparatus - Google Patents

Abstract

The present invention provides a method for converting the static stirring cycle of the food waste treatment apparatus.

The method for converting the stationary stirring cycle of the food waste treating apparatus includes: a first forward rotation step in which the stirrer 16 is rotated forward by the maximum rotation speed (N1) at the initial stage of feeding the food waste: the maximum rotation after the first forward rotation step A first reverse rotation step of rotating back by a predetermined number of revolutions N2 less than the number N1; 2 when the predetermined time elapses after the first reverse rotation step or when the predetermined condition of the humidity sensor 18 is reached, the forward rotation is performed by the rotation speed N3 which is a predetermined time less than the rotation speed N2 of the first reverse rotation step. Car forward step; A second reverse rotation step of rotating back by a predetermined number of revolutions N4 less than the rotation speed N3 after the second forward rotation step; And when the predetermined time has elapsed after the second reverse rotation step or when the predetermined condition of the humidity sensor 18 is reached, the steps are performed to reverse the forward and reverse rotations by a predetermined number of revolutions.

Accordingly, the amount of food waste put into the fermenter 11 is sequentially reduced while the number of rotations is decreased, so that the effect is created as it is energy-saving compared to the conventional method of performing the forward and reverse rotations once in antiquity. It is possible to perform the optimum agitation according to the state of the fermentation tank 11 from time to time, and the effect of increasing the activity of the aerobic fermentation agent and fermentation by the proliferation of the fermentation agent, and the decomposition can be made smooth.

Description

How to change the static stirring cycle of food waste disposal equipment

The present invention relates to a method for converting a static stirring cycle of a food waste treatment apparatus, and more particularly, heating and stirring food waste disposed of at home, and fermenting the same. Alternatively, in the composting food waste disposal apparatus, reverse rotation is performed after the forward rotation of the stirrer, and the forward and reverse rotations are intermittently performed while the rotation speed is decreased, thereby facilitating the discharge of the hydrologic gate and efficiently stirring and fermenting. It relates to a static stirring cycle conversion method of food waste treatment apparatus that can be carried out quickly.

In general, each home or restaurant, such as the leftover (food waste) is discharged every day, such leftover is used as a livestock feed or is simply discarded after filtering the water through a strainer. Such residue processing method increases the amount of food waste in the total amount of waste, and if food waste is not processed smoothly, it causes odors and pollutes the surrounding drinking water or air. Has been developed and used.

In the example of the food waste treatment apparatus shown in FIG. 1, an input door 12 for injecting the residue to the outside of the main body of the food waste processing apparatus made of a heat insulator and a discharge door 21 for removing the residue after treatment. Is formed, the inside of the main body is provided with a fermentation tank 11 for processing the residue and a deodorizer (not shown) for removing the odor generated during the residue treatment process. The fermentation tank 11 is detachably installed in the main body so as to be detachable when the residue is removed or configured to remove the residue through the opening / closing door 22.

Inside the fermentation tank 11, the stirrer 16 is rotatably mounted, and the residue is decomposed and processed by stirring and fermenting the fermentation agent and the residue introduced from the outside. The stirrer 16 is rotated forward and backward by receiving a driving force by the electric mechanism 13, such as a chain, a timing belt, etc. provided in the fermentation tank 11, and the motor 14, such as an AC induction system.

Hanpin, the upper part of the food waste processing apparatus is provided with a suction fan and an exhaust fan 19 for sucking and discharging the outside air, and the suction fan and the heater 15 installed therein are external fan air if necessary by a kind of fan heater function. It is heated and introduced, and the exhaust fan deodorizes the gas (including water vapor) generated inside through the deodorizer and discharges it to the outside. A general deodorizer is an apparatus for adsorbing malodor using activated carbon and is installed in the upper exhaust passage of the food waste treatment apparatus.

The motor 14, the heater 15, the suction fan and the exhaust fan 19 are connected to the control panel 20 using a microcomputer, so that the operation of the food waste processing apparatus can be controlled by a predetermined program. May be The control panel 20 also controls the operation of the food waste processing apparatus by sequential or manual operation according to the set operation mode, and receives the input of the temperature sensor 17 and the humidity sensor 18 installed inside the drying vessel. 11) Depending on the internal temperature and humidity conditions, the operation rate of the food waste treatment device may be controlled. One example is shown in FIG.

In FIG. 2, when the temperature is input from the temperature sensor 17 and the humidity sensor 18 to the microcomputer 20a via the A / D converters 20b and 20c, the heater (20d, 20e) is driven by the predetermined program. 15) to control the temperature and humidity by driving the motor 14, the suction fan and the exhaust fan 19, and intermittently forward and reverse rotation to maintain the optimum fermentation or decomposition conditions of food waste. It is composed.

3, the structure of the stirrer 16 is shown in detail. Here, the stirring shaft 35 is supported and rotated in the fermentation tank 11 case, the stirring blades 30 to 33 are arranged at different wind circumferential angles at a distance from each other and fixed to the stirring shaft 35. In addition, the short sides of the stirring blades 30 to 33 are V-shaped as shown in FIG. 4 as an example, and in the case of the stirring blades 30 and 33 as shown in FIGS. 4A and 4D, the wings 30 ' 33 ') and both ends of the stirring shaft 35 to flow the food waste from the fermenter 11 case wall side inward as shown by the arrows when the wings 30 and 33 rotate in the A or B direction. 4b and 4c, the blades 31 'and 32' and the blades 31 and 32 in the case of the stirring blades 31 and 32 are shown by arrows when rotating in the A or B direction. As described above, the fermentation tank 11 is attached to the stirring shaft 35 to flow food waste back to the side wall of the case, and is configured to be easily stirred when necessary in the fermentation tank 11.

However, the food waste disposal apparatus of the above-described configuration mechanically agitates and ferments, thereby increasing the efficiency of the fermentation to shorten the treatment time, but the forward and reverse rotation of the agitator 16 is controlled as in FIG. By the microcomputer 20a of the panel 20, the operation of the food waste processor is controlled by a predetermined program. In the related art, the control may be performed sequentially according to a set operation mode, or may be controlled according to temperature and humidity conditions of the fermenter 11 by receiving inputs of a temperature sensor 17 and a humidity sensor 18 installed therein.

However, the conventional food waste processing apparatus having such a configuration generally performs the forward or reverse rotation when the forward rotation or the reverse rotation is reached or reaches a predetermined condition, or alternately performs the forward and reverse rotation by a predetermined number of rotations. Therefore, there is a disadvantage in that the response to the fermentation conditions that change when the fermentation starts is insufficient, resulting in high humidity and many odors.

The present invention is to solve the above problems, the reverse rotation is carried out after the forward rotation of the stirrer, the forward and reverse rotations intermittently, by reducing the number of revolutions to facilitate the discharge of water, and the stirring and fermentation efficiently It is an object of the present invention to provide a method for converting a static stirring cycle of a food waste treatment apparatus which can be carried out quickly.

1 is a perspective view schematically showing the configuration of the main part of the conventional food waste disposal apparatus;

2 is a block diagram showing the configuration of the operating system of the food waste disposal apparatus of FIG.

3 is a front view specifically showing the agitator of the food waste disposal apparatus of FIG.

4a to 4d is a partial cross-sectional view showing in detail the structure and the working relationship of the stirring blades of the stirrer of FIG.

Figure 5 is a graph for explaining an embodiment of the food waste, the reverse stirring cycle conversion method of the processing apparatus according to the present invention.

* Explanation of symbols for main parts in the drawings

11: fermenter 12: input door

13 power transmission mechanism 14 motor

15 heater 16 agitator

17: temperature sensor 18: humidity sensor

19: suction fan and exhaust fan 20: control panel

21: discharge door 22: opening and closing door

30, 31, 32, 33: stirring blade 35: stirring shaft

In order to achieve the above object, the present invention is a food waste treatment having a fermentation tank for fermenting and decomposing food waste, and an agitator for deodorizing and discharging steam and gas generated during fermentation and decomposition and collecting and removing the remaining residue. In the method of operating the stirrer of the apparatus, the first forward rotation step of rotating the stirrer forward by the maximum rotation speed (N1) at the initial stage of feeding the food: a predetermined rotation less than the maximum rotation speed (N1) after the first forward rotation step The first reverse rotation step of reverse rotation by the number N2, when the predetermined time elapses after the first reverse rotation step or when the predetermined condition of the humidity sensor is reached, the rotation speed N2 of the first reverse rotation step A second reverse rotation step of forward rotation by a predetermined number of revolutions N3, and a second reverse rotation step of reverse rotation by a predetermined number of revolutions N4 less than the number of revolutions N3 after the second forward rotation step, And repeating the forward and reverse rotations by a predetermined number of revolutions in a dashed sequence when a predetermined time elapses after the second reverse rotation step or when a predetermined condition of the humidity sensor 18 is reached. Provided is a static stirring cycle conversion method for a food waste treatment apparatus.

The stirrer is rotated forward and reverse by the control of the microcomputer by the rotational speed that is decreased once from the rotational speed N1 of the first forward rotational step.

Hereinafter, with reference to the accompanying drawings will be described in detail the configuration and operation of the embodiments of the present invention.

5 is a graph illustrating a method for converting the stationary stirring cycle of the food waste treating apparatus according to the present invention.

The structure of the food waste processing apparatus for implementing the static stirring cycle conversion method of the food waste processing apparatus of the present invention may be the same as that shown in FIG.

That is, the food waste processing machine of the present invention forms the input door 12 and the discharge door (not shown) as in the prior art, and has a fermentation tank 11, a power transmission mechanism 13, a suction fan, and an exhaust fan inside. (19) and the like.

In addition, the residue introduced into the input door 12 is subjected to the water loss and fermentation loss process in the fermentation tank 11, and has the same deodorizing function to remove the odor while composting the residue.

The configuration of the control panel to which the present invention is applied can also be made as shown in FIG.

That is, the control panel 20 receives the input from the temperature sensor 17, the humidity sensor 18, etc. in the food waste processing machine having the stirrer 16 and sends the output to the motor 14, the heater 15, and the like. While the food waste is stirred and dried, the water is evaporated, fermented and decomposed. For example, when the humidity is high, the heater is turned on and the stirring operation is actively performed to maintain the proper humidity, thereby preventing the reduction in the efficiency of the foot and the occurrence of the odor.

At this time, according to the present invention, the signal of the temperature sensor 17 and the humidity sensor 18 is converted into digital data passed through the A / D converter (20b, 20c) is input to the control panel (20).

Since the temperature sensor 17 uses a thermistor whose electrical resistance of the device changes with temperature, it generates an analog signal according to the temperature change, and the humidity sensor 18 uses materials such as lithium chloride, alumite, ceramic, etc. Moisture evaporates in these materials, thereby reducing the electrical resistance to generate an analog signal.

When the temperature sensor 17 and the humidity sensor 18 are installed one by one, each of the A / D converters 20b and 20c is used. However, when several are installed as necessary, a multiplexer having multiple channels (MUX) is provided. Add

As shown in FIG. 5, the microcomputer 20a receiving the inputs of the A / D converters 20b and 20c rotates the stirrer 16 at a maximum rotational speed at the initial stage of feeding the food in the first forward rotation step. N1; for example, 10 revolutions per minute (RPM), and then the first reverse rotation step is performed, where the rotation speed N2 is the rotation speed of the first forward rotation step (the previous rotation speed (N)). It is configured to perform nine revolutions less than a predetermined time (for example, once (in detail, 10% of the maximum rotation speed)) than N1).

Thereafter, a predetermined time (for example, 30 seconds to 1 minute) elapses after the first reverse rotation step, or a predetermined condition (for example, relative humidity range of 65 to 70%) is reached of the humidity sensor 18. At one time, the second forward rotation step is performed, in which the rotation speed N3 performs eight revolutions less than the rotation speed N2 of the first reverse rotation step, which is the previous rotation speed, and then the second reverse rotation step. The motor 14 is controlled by the microcomputer 20a so as to perform 7 revolutions, which is one time less than the rotation speed N3 of the second forward rotation step, which is the previous rotation speed.

Similarly, steps after the third forward and reverse rotation steps are similarly repeated.

In this way, the motor 14 is initially rotated by the maximum rotational speed, and thereafter, the generation of humidity is appropriately reduced according to the temperature rise of the food waste to be stirred and fermented and the amount of water contained in the food waste. Maximize the activity of aerobic fermenters and suppress death.

In addition, the microcomputer 20a is operated such that the motor 14 is sequentially operated when the internal humidity exceeds the reference humidity while the heater 15 is turned on and off so that the internal temperature is maintained near the reference temperature as a reference for the humidity condition. Can be controlled by

The control panel 20 stores data on the reference temperature (eg, about 20 ° C.) and reference humidity (eg, relative humidity of 65 to 70%) on the memo, but from an input using an external operation key (not shown). It is possible to change the reference rate as described above, and a flexible control for automatically correcting the reference humidity according to the change in the saturated water vapor pressure due to the change in the internal temperature is possible.

According to the configuration and operation of the static stirring cycle conversion method of the food waste treatment apparatus according to the embodiment (s) of the present invention described above, the food waste put into the fermentation tank 11 is sequentially reduced in the forward and reverse directions. By performing the rotation, the effect is created as it is reduced energy compared to the conventional one to perform the forward and reverse rotation once, and it is possible to perform the optimum agitation according to the time inside the fermenter (11) Increasing the activity of the aerobic fermentation agent and fermentation by the growth of the fermentation agent, decomposition can be made smoothly.

While the invention has been shown and described with respect to certain preferred embodiments, it will be appreciated that the invention can be modified and modified in various ways without departing from the spirit or scope of the invention as set forth in the claims below. One of ordinary skill in the art will readily know.

Claims (2)

Stirrer operation of the food waste treatment apparatus passing through a fermentation tank 11 for fermenting and decomposing food waste, and a stirrer 16 for deodorizing and discharging steam and gas generated during fermentation and decomposition and collecting and removing remaining residues. In the method, the first forward rotation step of rotating the stirrer 16 forward by the maximum rotation speed (N1) at the beginning of the food intake: After the first forward rotation step, the first reverse rotation step of reverse rotation by a predetermined number of revolutions N2 less than the maximum rotation speed N1, the predetermined time elapses after the first reverse rotation step or the humidity sensor ( A second forward rotation step of forward rotation by less rotation speed N3 than the rotation speed N2 of the first reverse rotation step when the predetermined condition of 18) is reached, and the rotation speed N3 after the second reverse rotation step; The second reverse rotation step that rotates by a predetermined number of revolutions N4 less than), and again when a predetermined time elapses after the second reverse rotation step or when a predetermined condition of the humidity sensor 18 is reached. And a step of repeating forward and reverse rotations by a predetermined number of revolutions. The stirrer 16 is rotated forward and reverse by the control of the microcomputer 20a by a rotational speed that is decreased once from the rotational speed N1 of the first forward rotational step. Method for converting energetic stirring cycle of food waste disposal device.