KR19980051259A - Reverse Stirring Cycle Conversion of Food Waste Disposer - Google Patents

Abstract

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

The method for converting the stationary stirring cycle of the food waste treating apparatus includes: an initial primary forward rotation step in which the stirrer 16 is rotated forward by the maximum rotation speed N1 at the beginning of the food input: immediately after the initial forward rotation step; An initial primary reverse rotation step of rotating the engine by a rotational speed N2 less than the rotational speed N1, when the predetermined time has elapsed after the initial reverse rotational step or when the predetermined condition of the humidity sensor 18 is reached; The second forward rotation step by the rotation speed N3 less than the rotation speed N2 of the second reverse rotation step, and the second rotation that reverses by the rotation speed N4 less than the rotation speed N3 immediately after the second forward rotation step After the reverse rotation step and after the second reverse rotation step, when the predetermined time elapses or when the predetermined condition of the humidity sensor 18 is reached, the second forward rotation step and the reverse rotation step are sequentially performed by a smaller number of revolutions. Characterized in that it comprises a step of repeating It is done.

Accordingly, the food waste introduced into the fermentation tank 11 is reduced in rotation sequentially and forward and reverse rotation, thereby saving energy as compared to the conventional one to perform the forward and reverse rotation once, the effect is created as it is. It is possible to perform the optimum stirring according to the state of the fermenter 11 to the time to increase the activity of the aerobic fermentation agent and fermentation by the growth of the fermentation agent, the decomposition can be made smoothly.

Description

Reverse Stirring Cycle Conversion of Food Waste Disposer

The present invention relates to a method for converting a static waste stirring cycle of a food waste treatment device, and more particularly, ferments food waste disposed of at home by heating and stirring it. Alternatively, in the composting food waste treatment apparatus, reverse rotation is carried out 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 moisture, and effectively stirring and fermenting. The present invention relates to a reverse stirring cycle conversion method of a food waste treatment apparatus that can be carried out at a high speed.

In general, each home or restaurant, such as the leftover (food waste) is discharged every day, such residues are used as livestock feed or simply filtered through a strainer and then discarded. These residue treatment methods increase the amount of food waste in the total amount of waste, and if the food waste is not processed slowly, it causes odors and pollutes the surrounding drinking water or air rolls. It is used.

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

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 in the forward and reverse direction by receiving the 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.}

On the other hand, the upper part of the food waste treatment device is installed with an intake and exhaust fan 19 for sucking and discharging the outside air. The suction fan and the heater 15 installed therein are heated by the outside air if necessary by a kind of fan heater function. In addition, the exhaust fan deodorizes the gas (including water vapor) generated inside through the deodorizer and discharges it to the outside. A conventional 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 disposal window 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. The operation of the food waste treatment device may be controlled depending on the internal temperature and humidity conditions. One example is shown in FIG.

In FIG. 2, when the input is input from the temperature sensor 17 and the humidity sensor 18 to the microcomputer 20a via the A / D converters 20a and 20c, the heater 15 is passed through the driving units 20d and 20e by a predetermined program. ), The motor 14, the suction fan and the exhaust fan 19 to control the temperature and humidity, and the stirrer 16 intermittently forward and reverse rotation to maintain the optimum fermentation or decomposition conditions of food waste do.

3, the structure of the stirrer 16 is shown in detail. Here, the stirring shaft 18 is supported by the fermentation tank 11 case and rotates, and the stirring blades 30 to 33 are arranged at different circumferential angles at a distance from each other to be corrected to the stirring shaft 35. In addition, the cross section of the stirring blades 30 to 33 is 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 blades 30 'and 33' are shown. And wings 30 and 33 are attached to both ends of the stirring shaft 35 to flow food waste from the fermentation tank 11 case wall inward as shown by the arrow when rotating in the A or B direction, In the case of the stirring blades 31 and 32 in FIGS. 4B and 4C, the blades 31 ′ and 32 ′ and the blades 31 and 32 are fermenter 11 as shown by arrows in the rotation in the A or B direction. Attached to the stirring shaft 35 to flow the food waste back to the case wall side, it is configured so that the stirring of food waste in the fermentation tank 11 can be easily made when necessary.

However, the food waste treatment window of the above-described configuration is mechanically forced to agitate and ferment, thereby increasing the efficiency of the fermentation and shortening the treatment time. However, the forward and reverse rotation of the stirrer 16 is controlled as shown in FIG. The operation of the food waste processor is controlled by a predetermined program by the microcomputer 20a of 20). 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 treatment apparatus having such a configuration is usually carried out by forward or reverse rotation or when the constant rotation or reverse rotation is reached or a predetermined number of rotations is performed by alternately forward and reverse rotation, When the fermentation is started, there is a disadvantage in that the response to the fermentation conditions that are changed is insufficient and the humidity is high and odors are generated.

The present invention is to solve the above problems, it can be stirred between the upper and lower, and the inside or the bottom of the air flows into the food waste with agitator attached stirrer, which can be made fermentation, decomposition smoothly The purpose is to provide a treatment device.

1 is a perspective view schematically showing the configuration of the main portion of the conventional food waste treatment device, Figure 2 is a block diagram showing the configuration of the operating system of the food waste treatment device of Figure 1, Figure 3 is a food waste treatment apparatus of FIG. 4A to 4D are partial cross-sectional views showing in detail the structure of the stirring blade of the stirrer of FIG. 3 and its working relationship, and FIG. 5 is a forward and reverse stirring of the food waste treatment apparatus according to the present invention. Graph for explaining an embodiment of the cycle conversion method.

* Explanation of Major Symbols Used in Drawing Examples

11: fermenter 12: input door

13 power transmission mechanism 14 motor

15 heater 16 agitator

17: temperature sensor 18: humidity sensor

19: intake and exhaust fan 20: control panel

21: discharge door 22: opening and closing door

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

In order to achieve the above object, the present invention has a fermentation tank for fermenting and decomposing food waste, and a stirrer for promoting this during fermentation and decomposition, and deodorizing and discharging the generated steam and gas and collecting and removing the remaining residue. In the stirrer operation method of the food waste processing apparatus having a stirrer, the initial primary forward rotation step of forward rotation of the stirrer 16 by the maximum rotation speed (N1) at the beginning of the food input, the initial forward rotation step of Immediately afterwards, the initial primary reverse rotation step of rotating back by the rotational speed N2 less than the maximum rotational speed N1, and after a predetermined time elapses after the initial reverse rotation step, reaches a predetermined condition of the humidity sensor 18 The second forward rotation step by less rotation speed N3 than the rotation speed N2 of the first reverse rotation step, and the rotation speed N4 less than the rotation speed N3 immediately after the second forward rotation step After the second reverse rotation step, and after the second reverse rotation step, the secondary forward rotation step is performed at a predetermined number of times, or when the predetermined condition of the humidity sensor 18 is reached. It provides a reverse stirring cycle conversion method of the food waste treatment apparatus comprising the step of repeating the rotating step and the reverse rotation step.

The stirrer 15 may perform the forward and reverse rotation steps from the initial reverse rotation step by the rotation speed, for example, reduced by one from the rotation speed N1 of the initial primary forward rotation step, The reduction is controlled by the microcomputer 20a.

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 static 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 treatment machine of the present invention forms an input door 12, an discharge door (not shown) in the outside as in the prior art, and the fermentation tank 11, the monitoring mechanism 13, the exhaust fan 19, and the like inside. It is equipped with a structure.

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.

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 processor having the stirrer 16 and sends the output to the motor 14, the heater 15, etc. The evaporation, fermentation, and decomposition of the waste are carried out while the waste is stirred and dried. As an 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 deterioration of foot efficiency and generation of 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 21 is input to the control panel 20.

Since the temperature sensor 17 uses a thermistor whose electrical resistance changes according to temperature, the temperature sensor 17 generates an analog signal according to the temperature change, and the humidity sensor 18 uses materials such as lithium chloride, alumite, and ceramics. When moisture is adsorbed to these materials, the electrical resistance is reduced 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 21 is used. However, when several are installed as necessary, a multiplexer (MUX) having multiple channels is added. do.

As shown in FIG. 5, the microcomputer 20a receiving the input of the A / D converter 21 rotates the stirrer 16 to the maximum rotation speed N1 at the initial stage when the food is introduced in the initial primary forward rotation step. 10 revolutions per second), and then performs an initial first reverse rotation step, wherein the revolution speed N2 is configured to perform nine revolutions, one less than the maximum number of fires N1.

Thereafter, after the initial first reverse rotation step, when the predetermined time elapses or when the predetermined condition of the humidity sensor 18 is reached, the second forward rotation step is performed, wherein the rotation speed N3 is the first reverse direction. The stirring motor (1) is carried out by one rotational speed (8) less than the rotational speed (N2) of the rotational step, and the second reverse rotational step is performed by the rotational speed (N4: 7 times) less than the rotational speed (N3). 14 is controlled by the microcomputer 20a.

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

By initially rotating the stirring motor 14 at the maximum rotational speed, 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, while the on-off control of the heater 15 to keep the internal temperature close to the reference temperature as a reference of the above-described humidity conditions, the microcomputer is operated so that the stirring motor 14 is sequentially operated when the internal humidity exceeds the reference humidity. 20a).

The control panel 20 is stored on the data roll memory for the reference temperature (for example around 20 ℃) and the reference humidity (for example relative humidity 65 ~ 7C% range) but from the input using an external operation key (not shown) It is also possible to change these criteria, and it is possible to have a flexible control that automatically corrects the reference humidity according to the change in the saturated water vapor pressure initiated by the change in the internal temperature.

According to the constitution and operation of the method for converting the stationary stirring cycle of the food waste treating apparatus according to the embodiment (s) of the present invention described above, the number of lines of the food waste introduced into the fermentation tank 11 is sequentially reduced while the forward and reverse rotations are performed. By performing the forward and reverse rotation one by one, the energy is reduced compared to the conventional one, and the effect is created as it is, the agitation fermentation agent can be performed according to the optimum stirring according to the time inside the fermentation tank (11) Increasing the activity and fermentation by the growth of fermentation agent, the decomposition can be made smoothly.

While the invention has been shown and described with reference 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 (3)

A fermentation tank 11 for fermenting and decomposing food waste, and a stirrer for promoting this during fermentation and decomposition, and having a stirrer for deodorizing and discharging the generated water vapor and gas and collecting and removing remaining residues. In the stirrer operating method of the garbage disposal apparatus, Initial first forward rotation step of rotating the stirrer 16 forward by the maximum rotation speed (N1) at the beginning of the food input: Immediately after the initial forward rotational step, the initial primary reverse rotational step of reverse rotation by less rotational speed N2 than the maximum rotational speed N1, and after a predetermined time elapses after the initial reverse rotational step, or the humidity sensor 18 The second forward rotation step by the rotation speed N3 less than the rotation speed N2 of the first reverse rotation step when the predetermined condition of is reached, and the rotation less than the rotation speed N3 immediately after the second forward rotation step The second reverse rotation step of rotating in the reverse direction by the number N4, and after the second reverse rotation step, when the predetermined time has elapsed or when the predetermined condition of the humidity sensor 18 is reached, the rotation speed is gradually lowered. And a step of repeating the second forward rotation step and the reverse rotation step. The method of claim 1, wherein the stirrer 16 performs the forward and reverse rotation steps from the initial reverse rotation step by a rotation speed that is reduced by one from the rotation speed N1 of the initial primary forward rotation step. A method for converting a static stirring cycle of food waste disposal apparatus. The method of claim 1 or 2, wherein the forward and reverse rotation steps are controlled by a microcomputer (20a).