KR102427947B1 - Food Waste treatment device - Google Patents

Abstract

The food waste drying apparatus according to the present invention is located under the outer cover, is disposed on the drying unit pedestal installed inside the main body, and generates condensed air by applying heat to the food waste that is input into the inside to generate condensed air and discharge hole The generated condensed air is discharged through the, coupled to the main body through a second hinge installed at one corner of the lower end, and can be rotated in a predetermined direction on the drying unit pedestal with the second hinge as an axis in the main body, A drying unit configured to discharge dried food waste in a rotated state, a condensing unit that cools and condenses the condensed air discharged from the drying unit with atmospheric air, and generates and discharges condensed water, and the inner lower part of the main body It is disposed in, and includes a storage tank for storing the condensed water generated in the condensing unit.

Description

Food Waste treatment device

The present invention relates to a food waste treatment apparatus. Specifically, the present invention relates to a food waste treatment apparatus capable of drying food waste, cooling and condensing hot and humid air generated during the drying process, and then discharging it.

Food waste left over by humans and animals or agricultural, fishery, and livestock waste generated during the production, distribution, processing, and cooking of food is on the rise due to the increase in population, improvement of living conditions, and the advancement of dietary life. However, it is recognized as one of the representative factors of environmental pollution problem.

As of 2015, the amount of domestic food waste generated is about 5.6 million tons/year, and the treatment cost is about 1 trillion won, about 20 trillion won is wasted when selecting the economic value of food resources, and the emission of greenhouse gases such as carbon dioxide is about 9 million tons or more.

As a recycling method of food waste, there is a method of turning food waste into feed or compost, and in the treatment of food waste that cannot be recycled, methane gas is mainly produced through anaerobic digestion and the remaining sludge is treated.

On the other hand, since the initially generated food waste contains a large amount of various proteins and is easily corroded, it is considered an economical and eco-friendly method to use the collected food waste as feed, compost, and drying it as fuel.

In order to use food waste as feed, compost and fuel, it is necessary to separate water from the food waste. Referring to Korean Patent Application Laid-Open No. 10-2005-0081762, 'Method for removing odor and condensate generated during operation of a food waste treatment machine and an apparatus therefor', the food waste is dried at a high temperature using a heater disposed inside the treatment tank, at this time It can be seen that the exhaust gas is condensed in a heat exchange method by a cooling pipe to discharge moisture.

In order to remove moisture from the exhaust gas according to the prior art, it is configured to perform heat exchange through a cooling pipe. Here, in order to maintain the temperature inside the cooling pipe below a certain level, an evaporator, a condenser, and a compressor must be used, and power for operation of the evaporator, the condenser, and the compressor must be supplied.

Here, since the gas discharged from the food waste is in a high temperature state, the operations of the evaporator, the condenser, and the compressor have to operate above a certain level in order to remove the moisture contained in the gas, so there is a problem in that a large amount of power is required.

Korean Patent Laid-Open Patent No. 10-2005-0081762 (Method and device for removing odor and condensate generated during operation of a food waste processor)

An object of the present invention is to solve all of the above problems.

SUMMARY OF THE INVENTION An object of the present invention is to provide a food waste treatment apparatus configured to easily put food waste into a drying unit or discharge dried food waste.

Another object of the present invention is to provide a food waste treatment apparatus capable of measuring the amount of condensed water collected when storing the condensed water and automatically discharging the condensate when the amount exceeds a certain amount.

Another object of the present invention is to provide a food waste treatment apparatus capable of removing moisture by cooling hot and humid air generated after heating food waste for food waste treatment with atmospheric air.

Another object of the present invention is to provide a food waste treatment apparatus capable of drying food using less energy and condensing moisture in the air generated thereby.

In order to achieve the object of the present invention as described above and to realize the characteristic effects of the present invention to be described later, the characteristic configuration of the present invention is as follows.

According to an embodiment of the present invention, a food waste drying apparatus for drying and processing food waste includes an outer cover that can be opened and closed through a first hinge formed at one end and provides a space inside the food waste drying apparatus a body that performs the housing function of the; It is located under the outer cover and is disposed on the drying unit pedestal installed inside the main body to generate condensed air by applying heat to the food waste which is input to the inside to be treated. discharged, coupled to the main body through a second hinge installed at one corner of the lower end, and rotated in a predetermined direction on the drying unit pedestal with the second hinge as an axis in the main body, a drying unit configured to discharge dried food waste; a condensing unit cooling and condensing the condensed air discharged from the drying unit with atmospheric air, and generating and discharging condensed water; and a storage tank disposed at an inner lower portion of the main body and configured to store the condensed water generated in the condensing unit.

In one embodiment, the condensate drain pipe for discharging the condensed water stored in the storage tank is connected to the side or bottom of the storage tank; and a drain pump connected to the condensate drain pipe to discharge the condensed water in the storage tank to the outside through the condensate drain pipe. further includes

In one embodiment, the drying unit includes an inner cover for opening and closing the opening of the upper end of the drying unit, the inner cover is formed with the discharge hole for discharging the air to be condensed, and connecting the discharge hole and the condensing unit It further includes a condensing target air discharge pipe.

In one embodiment, the drying unit is disposed in the center of the interior of the drying unit and a rotating shaft rotatable by the transmitted power; It is attached to the rotating shaft and includes a stirring blade for stirring and pulverizing the food waste.

In an embodiment, the food waste drying apparatus further includes a stirring motor disposed at a lower end of the drying unit pedestal and connected to the rotating shaft of the drying unit.

In one embodiment, the food waste drying apparatus includes: a piston shaft extending and contracting in a longitudinal direction by having an end connected to a region of an outer surface of the drying unit to rotate the drying unit through the second hinge; and a piston shaft driving unit for driving the piston shaft.

In an embodiment, the drying unit may include: a heater disposed in the drying unit body to apply heat to the food waste according to an external control signal; a heater temperature sensor unit measuring the temperature of the heater and outputting a corresponding signal; a drying unit temperature sensor unit measuring the temperature of the drying unit and outputting a corresponding signal; and a condensing unit temperature sensor unit for measuring the temperature of the condensing unit.

In one embodiment, the storage tank includes a water level sensor capable of measuring the storage level of the condensed water, and when the water level sensor detects that the condensed water stored in the storage tank is stored above a predetermined height, a corresponding control signal send out

In one embodiment, the stirring blade is composed of a pair of blades formed symmetrically with respect to the rotation shaft.

In another embodiment, the stirring blade may include one or more protruding blades protruding from one region of the rotating shaft; and one or more window-type blades coupled in one region of the upper end and one region of the lower end of the rotary shaft, at least a portion of which is formed along the outer space inside the drying unit.

When the food waste drying apparatus according to the present invention is used, the drying unit is rotatable through a hinge, so that the food waste is easily put into the drying unit or the dried food waste is easily discharged.

In addition, if the food waste drying apparatus according to the present invention is used, the amount of condensed water collected when storing the condensed water may be measured and automatically discharged when the amount exceeds a certain amount.

In addition, if the food waste drying apparatus according to the present invention is used, moisture can be removed by cooling the hot and humid air generated after heating the food waste for food waste treatment with the air in the atmosphere, and less energy is consumed. It can be used to dry food and condense moisture in the air.

1 is a perspective view showing the configuration of a food waste disposal apparatus according to an embodiment of the present invention.
FIG. 2 is a perspective view illustrating a state in which a drying unit of the food waste treatment apparatus of FIG. 1 is rotated.
3 is a cross-sectional view illustrating the configuration of an apparatus for treating food waste according to an embodiment of the present invention.
4 shows the shape of a stirring blade according to an embodiment of the present invention.
5 shows the configuration of a condensing unit, a storage tank, and a drain pump of the food waste treatment apparatus according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS [0012] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS [0014] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS [0016] Reference is made to the accompanying drawings, which show by way of illustration specific embodiments in which the present invention may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the present invention. It should be understood that the various embodiments of the present invention are different but need not be mutually exclusive. For example, certain shapes, structures, and characteristics described herein with respect to one embodiment may be implemented in other embodiments without departing from the spirit and scope of the invention. In addition, it should be understood that the location or arrangement of individual components within each disclosed embodiment may be changed without departing from the spirit and scope of the present invention. Accordingly, the detailed description set forth below is not intended to be taken in a limiting sense, and the scope of the present invention, if properly described, is limited only by the appended claims, along with all scope equivalents to those claimed. Like reference numerals in the drawings refer to the same or similar functions throughout the various aspects.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those of ordinary skill in the art can easily practice the present invention.

1 is a perspective view showing the configuration of a food waste disposal apparatus according to an embodiment of the present invention. FIG. 2 is a perspective view illustrating a state in which a drying unit of the food waste treatment apparatus of FIG. 1 is rotated. 3 is a cross-sectional view illustrating the configuration of an apparatus for treating food waste according to an embodiment of the present invention.

1 to 3 , the food waste treatment apparatus 100 according to an embodiment of the present invention includes a main body 110 , a drying unit 120 , a condensing unit 130 , and a storage tank 140 . In addition, although not shown in the drawings, the food waste treatment apparatus 100 may further include a controller (not shown) for controlling these components.

The body 110 may be configured in a rectangular parallelepiped shape having a predetermined size. The main body 110 forms the overall shape of the food waste treatment apparatus 100 according to the present invention. The main body 100 is disposed in the vertical direction at a predetermined position required by the user.

On the other hand, the upper portion of the body 110 includes an outer cover 112 that can be opened and closed through a first hinge 111 formed at one end. This outer cover 112 performs a function of opening or closing the drying unit 120 thereunder. The size of the outer cover 112 may be manufactured to correspond to the size of the upper surface of the drying unit 120 , or may be manufactured to have a larger area than the drying unit 120 .

In addition, the main body 110 provides a space for installing or accommodating various components such as the drying unit 120 , the condensing unit 130 and the storage tank 140 inside, and the entire housing of the food waste drying apparatus 100 . perform the function

The main body 110 is disposed at a place where food waste is generated (eg, a kitchen, a restaurant, or a food waste collection area). In addition, it is preferable that the main body 110 is configured to prevent accidents such as falling during the food waste treatment operation.

A plurality of intake holes 114 through which external air is introduced may be formed on one surface of the main body 110 , and an exhaust hole (not shown) through which air used for cooling is exhausted may be formed on the other surface of the main body 110 . The exhaust hole may be disposed in various positions according to the needs of the user.

The drying unit 120 is located under the outer cover 112 of the main body 110 and is disposed on the drying unit pedestal 113 installed inside the main body. When food waste is put into the inside through the upper opening, the drying unit 120 applies heat to the input food waste to dry the food waste, so that high temperature and humid air to be condensed is generated and the generated condensed air is discharged. It is discharged to the condensing unit 130 through the hole 122 .

The drying unit 120 is coupled to the main body 110 through the second hinge 121 installed at one corner of the lower end. The drying unit 120 is coupled to the main body 110 through the second hinge 121 and at the same time can be rotated in a predetermined direction on the drying unit pedestal 113 of the main body 110 . That is, when the drying unit 120 is mounted on the drying unit pedestal 113 as shown in FIG. 2 , the outer cover 112 is closed, the drying function of the drying unit 120 is operated, and the drying unit 120 is rotated. When the body 110 is inclined to 90 or less with respect to the base, it is possible to easily discharge the dried food waste inside the drying unit 120 .

In order to automate rotation based on the second hinge 121 of the drying unit 120 , the food waste drying apparatus 100 according to the present invention includes a piston shaft 170 disposed at the lower end of the drying unit 120 . and a piston shaft driving unit 171 .

One end of the piston shaft 170 is connected to the lower end surface of the drying unit 120 , and the other end is connected to the piston shaft driving unit 171 to extend and contract in the longitudinal direction. Through this, when the piston shaft 170 is extended, the bottom surface of the drying unit 120 is pushed up so that the drying unit 120 is inclined through the second hinge 121 , and when the piston shaft 170 is decreased, the drying unit 120 is pushed up. It pulls the lower surface of the 120 and performs a function of fixing the drying unit 120 on the drying unit pedestal 113 .

The piston shaft driving unit 171 functions to drive the piston shaft 170 , and may include a linear actuator or a hydraulic pump.

Meanwhile, the drying unit 120 includes a drying unit body, a discharge hole 122 , an inner cover 123 , a condensing target air discharge pipe 124 , a rotating shaft 125 , a stirring blade 126 and a heater 127 . do.

The drying unit body may have a rectangular parallelepiped shape having a predetermined size, or may have a cylindrical column shape. And a space for drying the food waste is provided inside it. The internal space for drying the food waste may also have a rectangular parallelepiped shape or may be manufactured in a cylindrical shape.

An inner cover 123 that is opened and closed by a user is disposed on the upper portion of the drying unit 120 . The inner cover 123 is a component for opening and closing the opening of the upper end of the drying unit, and it is preferable that the discharge hole 122 of the drying unit is installed in the inner cover 123 . The discharge hole 122 serves to discharge the air to be condensed, and the discharge hole 122 is connected to the air discharge pipe 124 connected to the condensing unit 130 .

The inner cover 123 is opened when food waste is input and discharged, and is maintained in a closed state during a food waste drying process.

In one embodiment of the present invention, the inner cover 123 may be connected to the drying unit 120 through a hinge installed at one corner rather than the upper end of the drying unit 120 , but is separated from the drying unit 120 and locked separately. It may be manufactured in a form coupled to the device.

The drying unit 120 further includes a rotating shaft 125 and a stirring blade 126 inside.

The rotating shaft 125 is disposed in the center of the drying unit and functions to rotate by the transmitted power, and the stirring blade 126 is attached to the rotating shaft 125 to agitate and pulverize the food waste. do.

At this time, the stirring blade 126 may be composed of a pair of blades formed symmetrically with respect to the rotation shaft 125 .

In another embodiment, the stirring blade 126 is coupled to one or more protruding blades protruding from one region of the rotating shaft 125 and one region at the upper end and one region at the bottom of the rotating shaft 125, at least a portion of the above It may include one or more window-type blades formed along the outer space inside the drying unit.

4 shows the shape of a stirring blade according to an embodiment of the present invention.

4, the stirring blade 126 according to another embodiment of the present invention is shown, the protruding blade (126_a) and the window-type blade (126_b) form a single structure, the rotation shaft 125 in the center A groove is formed for joining with. The protruding blade 126_a is disposed inside the window-type blade 126_b and is designed to be positioned in the middle or in the middle of the inside of the drying unit 120 , and the window-type blade 126_b is the interior of the drying unit 120 . It may be designed to correspond to the size, or only the width of the inner size of the drying unit 120 may be designed to correspond to a height of half of the inner height of the drying unit 120 .

The rotating shaft 125 and the stirring blade 126 are preferably disposed at the lower end of the internal space of the drying unit 120, and finely pulverize the food waste input into the drying unit 120 to improve the drying effect. .

The rotating shaft 125 and the stirring blade 126 pulverize the food waste, but may also serve to agitate the food waste in the process of pulverizing the food waste.

In addition, the food waste drying apparatus 100 is disposed at the lower end of the drying unit pedestal 113 and further includes a stirring motor unit 160 connected to the rotating shaft 125 of the drying unit to transmit power to the rotating shaft 125 . include It is preferable that the drive shaft of the stirring motor unit 160 is configured to be connected to and separated from the rotating shaft 125 when the drying unit 120 is detached from the drying unit pedestal 113 .

The heater 127 may be disposed at an inner lower portion of the drying unit 120 .

The heater 127 generates heat by power supplied from the outside. The heat generated by the heater 127 is applied to the food waste injected into the drying unit 120 so that moisture contained in the food waste is evaporated. Although the heater 127 is illustrated as being disposed on the bottom surface of the drying unit 120 in the example of FIG. 3 , since it is sufficient if only heat can be applied to the food waste in the drying unit 120, it may be arranged in various positions. . At this time, the heating temperature of the heater 127 is preferably 100 degrees or more.

Here, the heating operation time of the heater 127 may be changed as follows.

That is, it may be configured to increase or decrease the operating time of the heater 127 in proportion to the amount of inputted food waste. For example, when food waste corresponding to more than a predetermined ratio of the internal volume of the drying unit 120 is put in, the heating time of the heater 127 may be driven for more than the corresponding time, and corresponding to less than the corresponding ratio. When food waste is input, the heating time of the heater 127 may also be driven for a time corresponding thereto. In addition, by measuring the internal temperature of the drying unit 120, the internal temperature of the drying unit 120 is driven to operate only at a predetermined temperature, so that the heater is operated in proportion to the amount of food waste. If the temperature inside the drying unit 120 is set to be kept constant at 100 degrees, when the amount of food waste increases, the internal temperature decreases, the operating time of the heater increases, and when the amount of food waste decreases, the internal temperature increases, The running time of the heater will be relatively reduced. Meanwhile, the operating time of the heater increases in proportion to the amount of food waste. For example, the amount of food waste may be determined by analyzing how much the heater operates while maintaining a constant set temperature of 100 degrees or more. For example, when the target maintenance temperature is set to 100 degrees, if the heater is operated only 50% to maintain 100 degrees, it can be seen that there is less food waste than when the heater is operated 100%. Through this analysis, the amount of food waste input is identified and the optimal operating time is automatically set.

In addition, after drying of the food waste has progressed to a certain degree or more, the operation amount of the heater 127 may be reduced according to a decrease in the amount of steam generated in order to prevent carbonization of the food waste due to continuous heating.

The food waste drying apparatus according to the present invention includes a heater temperature sensor unit that measures the temperature of a drying unit heater to output a corresponding signal in order to prevent overheating and transfer necessary heat during drying, and condensed air discharged from the drying unit. and a drying part temperature sensor part and/or a condensing part temperature sensor part for preventing overheating of the whole device through the.

Specifically, the main body 110 includes a drying unit temperature sensor unit (not shown) that measures the temperature of the drying unit 120 and outputs a corresponding signal. In addition, the main body 110 may further include a heater temperature sensor unit (not shown) that measures the temperature of the heater and outputs a corresponding signal in order to prevent overheating of the heater itself. Here, a condensing unit temperature sensor (not shown) for measuring the condensing unit temperature for preventing overheating of the entire device through the condensing target air discharged from the drying unit and outputting a corresponding signal may be further included.

When the amount of water vapor generated in the food waste is reduced to a predetermined level or less, it is determined that all the moisture in the food waste has evaporated, and the operation of the heater 127 is stopped. Thereafter, the rotation speed of the stirring blade 126 is also reduced to perform stirring. The stirring blade 126 repeats forward rotation and reverse rotation at a predetermined time interval (eg, 1 minute) at a speed of 6 rpm, and stirs and pulverizes the food waste. Here, the stirring by the stirring blade 126 is performed until the internal temperature of the drying unit 120 goes down to 40 degrees or less.

The condensing target air discharge pipe 124 is connected to the discharge hole 122 formed on one upper side of the drying unit 120 , and may be connected to the inner cover 123 . One end of the condensing target air discharge pipe 124 is connected to one upper side of the drying unit 120 , and the other end is connected to the condensing unit 130 .

The middle portion of the condensing target air discharge pipe 124 may be formed in the form of a corrugated pipe to correspond to the opening and closing of the inner cover 123 .

The condensing unit 130 is preferably disposed in the inner middle portion of the body 110 . The condensing unit 130 air-cools the high-temperature and humid condensed air generated during the drying operation of the food waste in the drying unit 120 to generate condensed water, and circulates the dehumidified air to the drying unit 120 . .

5 shows the configuration of a condensing unit, a storage tank, and a drain pump of the food waste treatment apparatus according to an embodiment of the present invention.

3 and 5 , the condensing unit 130 includes a condensing body 132 , a cooling pipe 135 , a circulation pipe 136 , a condensed water discharge pipe 137 , and a blowing fan 138 .

The condensing body 132 has a rectangular parallelepiped shape having a predetermined size, and is disposed in the inner middle portion of the body 110 .

The condensing body 132 provides a condensing space of the high-temperature and high-humidity air supplied through the condensing target air discharge pipe 124 on the inside. And a plurality of first heat dissipation fins 133A are disposed on the outer circumferential surface of the condensing body 132 .

One end of the condensing target air discharge pipe 124 is connected to one upper side of the condensing body 132 , and one end of a circulation pipe 136 to be described later is connected to the other upper side. In addition, a condensed water discharge pipe 137 is connected to one lower side of the condensing body 132 .

The cooling conduit 135 forms an inner middle of the condensing body 132, is disposed to penetrate from one side of the condensing body 132 to the other, and provides a movement path of the outside air. The air moving inside the cooling conduit 135 allows the high temperature and humid air inside the condensing body 132 to be cooled.

A plurality of second heat dissipation fins 133B are disposed on the inner circumferential surface of the cooling pipe path 135 .

In the embodiment shown in FIGS. 3 and 5 , the cooling conduit 135 has a rectangular cross-sectional shape, but the shape may be formed in various shapes such as a circle, a hexagon, an octagon, etc. according to the needs of the user. Here, the cooling pipe path 135 is preferably disposed parallel to the central axis of rotation of the blower fan 138 . Therefore, the outside air introduced through the blowing fan 138 is easily introduced into the cooling pipe 135 .

One end of the circulation pipe 136 is connected to the other upper side of the condensing body 132, and the other end is connected to the drying unit 120, so that the air in a low-temperature dry state due to the generation of condensed water in the condensing body 132 is discharged. It is circulated to the drying unit 120 .

In order to facilitate air circulation through the circulation pipe 136 , a circulation fan (not shown) is preferably disposed on the circulation pipe 136 to allow air to move in the direction of the drying unit 120 .

The condensed water discharge pipe 137 is connected to the lower side of the condensing body 132 in a tubular shape having a predetermined length to discharge the condensed water generated in the condensing body 132 to the storage tank 140 .

The blowing fan 138 is disposed on the side of the main body 110 in which the condenser 130 is installed, and is normally in a stationary state, but when the temperature of the drying unit 120 or the heater 127 increases to a certain temperature or more, the control unit ( It operates according to a control signal of the condensing body 132 so that the air inside the condensing body 132 is cooled by blowing the external air of the main body 110 to the condenser 130 side.

The storage tank 140 has a hexahedral shape having a predetermined size, and provides a space for storing the condensed water discharged through the condensed water discharge pipe 137 inside.

The storage tank 140 may be configured to be detachable from the main body 110 in a drawer type according to the needs of the user.

In addition, the food waste drying apparatus 100 further includes a drain pump 150 for discharging the condensed water stored in the storage tank 140 when a predetermined condition is met.

On the other hand, it is connected to the side or bottom of the storage tank 140 and includes a condensate drain pipe 151 for discharging the condensed water stored in the storage tank 140 , and the drain pump 150 is disposed in the middle of the condensate drain pipe 151 . can be

In addition, the storage tank 140 includes a water level sensor 141 capable of measuring the storage level of the condensed water, and the water level sensor 141 detects that the condensed water stored in the storage tank 140 is stored above a predetermined height. , and transmits a corresponding control signal to the control unit (not shown) or the drain pump 150 .

In addition, the food waste drying apparatus of the present invention may further include a control unit (not shown), and receives information from the drying unit temperature sensor, the condensing unit temperature sensor, and the heater temperature sensor to control each configuration of the food waste drying unit. Alternatively, each component is controlled in response to an input control signal of an external user.

The operation of the food waste treatment apparatus according to the present invention configured as described above will be described as follows.

The user turns on an operation switch (not shown) of the food waste disposal apparatus 100 according to the present invention. Then, after the outer cover 112 and the inner cover 123 are opened, the food waste to be treated is put into the drying unit 120 .

The heater 127 disposed in the drying unit 120 generates heat of 100 degrees or more by the power applied from the outside, and applies it as food waste.

The food waste that receives heat is dried by evaporating the moisture it contains. Then, high-temperature and high-humidity air to be condensed is generated. The high-humidity condensation target air generated at this time also contains odorous gas. The generated air to be condensed is discharged to the condenser 130 through the air discharge hole 124 to be condensed. Here, in order to further increase the moisture evaporation efficiency, the input food waste is pulverized to a smaller size by the stirring blade 126 .

The air introduced into the condenser 130 is condensed by exchanging heat with external air through the first heat dissipation fin 133A. In addition, the air introduced into the condenser 130 moves around the cooling pipe 135 with the cooling pipe 135 as the center, and is condensed by exchanging heat with external air through the second heat dissipation fin 133B.

When the high-temperature and high-humidity air is condensed and discharged to the condensate discharge pipe 137, the low-temperature dry air of the condensing body 132 is introduced into the drying unit 120 through the circulation pipe 136, and then is converted into high-temperature and high-humidity air. . Here, the air circulation from the condensing body 132 to the drying unit 120 through the circulation pipe 136 can be made more easily by the operation of the circulation fan.

The high-temperature and high-humidity air introduced into the condensing body 132 exchanges heat with external air blown by the blower fan 138 through the first heating fin 133A of the condensing body 132, and is cooled and converted into condensed water. , the remaining air is converted to low-temperature dry air. Thereafter, the low-temperature dry air is circulated to the drying unit 120 through the circulation pipe 136 . The air used for condensation is exhausted to the outside of the main body 110 through the exhaust hole.

The condensed water is stored in the storage tank 140 under the main body 110 through the condensate discharge pipe 137 . The water level sensor 141 installed in the storage tank 140 measures the amount of condensed water stored therein and then transmits it to the control unit or the drain pump 150 , and the drain pump 150 discharges the condensed water stored in the storage tank 140 to the outside. .

When the food waste treatment is completed, the user opens the outer cover 112 and the inner cover 123 , and then rotates the drying unit 120 manually or through a control input from the controller. When the drying unit 120 is automatically rotated, the piston shaft 170 is extended through the driving of the piston shaft driving unit 171 to push the lower end of the drying unit 120 , and through this, the drying unit 120 is It automatically rotates so that the minor opening is navigating downward. Through this, the user can easily discharge the dried food waste inside the drying unit 120 . Then, the drying unit 120 is returned to its original position again, manually or through the control history of the control unit. When the drying unit 120 is automatically returned to its original position, the piston shaft 170 is contracted through the driving of the piston shaft driving unit 171 to pull the lower end of the drying unit 120, and through this, the drying unit 120 is It automatically rotates and sits on the driving unit pedestal 113 .

When the food waste drying apparatus according to the present invention is used, the drying unit is rotatable through a hinge, so that the food waste is easily put into the drying unit or the dried food waste is easily discharged.

In addition, if the food waste drying apparatus according to the present invention is used, the amount of condensed water collected when storing the condensed water may be measured and automatically discharged when the amount exceeds a certain amount.

In addition, by using the food waste drying apparatus according to the present invention, moisture can be removed by cooling the hot and humid air generated after heating the food waste for food waste treatment with the air in the atmosphere, and less energy is consumed. It can be used to dry food and condense moisture in the air.

In the above, the present invention has been described with specific matters such as specific components and limited embodiments and drawings, but these are provided to help a more general understanding of the present invention, and the present invention is not limited to the above embodiments. , those of ordinary skill in the art to which the present invention pertains can devise various modifications and variations from these descriptions.

Therefore, the spirit of the present invention should not be limited to the above-described embodiments, and not only the claims described below, but also all modifications equivalently or equivalently to the claims described below belong to the scope of the spirit of the present invention. will do it

Claims (10)

A food waste drying apparatus for drying food waste, comprising:
a main body including an outer cover that can be opened and closed through a first hinge formed at one end and providing a space inside to perform a housing function of the food waste drying apparatus;
It is located under the outer cover and is disposed on the drying unit pedestal installed inside the main body to generate condensed air by applying heat to the food waste which is input into the inside to be treated, and the generated condensed air is discharged through the discharge hole. discharged, coupled to the main body through a second hinge installed at one corner of the lower end, and can be rotated in a predetermined direction on the drying unit pedestal with the second hinge as an axis in the main body, in a rotated state a drying unit configured to discharge the dried food waste;
a condensing unit cooling and condensing the condensed air discharged from the drying unit with atmospheric air, and generating and discharging condensed water;
a storage tank disposed at an inner lower portion of the main body and configured to store the condensed water generated in the condensing unit;
It is disposed on the side of the main body in which the condensing unit is installed, and when the temperature of the drying unit increases above a predetermined temperature after being normally maintained in a stationary state, it operates according to a control signal of the control unit, thereby removing the external air of the main body to the condensing unit. a blowing fan for cooling the air inside the condensing unit by blowing in the direction;
a stirring motor unit disposed at the bottom of the drying unit pedestal and connected to the rotating shaft of the drying unit;
a piston shaft having an end connected to an area of the outer surface of the drying unit to rotate the drying unit through the second hinge and extending and contracting in the longitudinal direction; and
a piston shaft driving unit for driving the piston shaft;
includes,
The drying unit,
an inner cover for opening and closing the opening of the upper end of the drying unit, wherein the inner cover has the discharge hole for discharging the air to be condensed, and further includes a condensing air discharge pipe connecting the discharge hole and the condensing unit the inner cover;
a rotating shaft disposed in the inner center of the drying unit and rotatable by the transmitted power;
a stirring blade attached to the rotating shaft to stir and pulverize the food waste; and
It is disposed in the drying unit body to apply heat to the food waste according to an external control signal, and the applied heat increases or decreases in proportion to the amount of the food waste input into the drying unit body, a heater for reducing heat generation when the drying progresses and the amount of water vapor generation reaches a maximum point and then decreases;
further comprising,
The stirring blade,
one or more protruding blades protruding from one region of the rotating shaft; and
one or more window-type blades coupled in one region of the upper end and one region of the lower end of the rotating shaft, at least a portion of which is formed along an outer space inside the drying unit;
includes,
The stirring blade repeats forward rotation and reverse rotation at a predetermined time interval at a predetermined speed until the internal temperature of the drying unit falls below a predetermined temperature, stirring and pulverizing the food waste;
The food waste drying apparatus according to claim 1, wherein the middle portion of the condensing target air discharge pipe is formed in a corrugated pipe shape and can be deformed in response to opening and closing of the inner cover.
The method of claim 1,
a condensate drain pipe connected to the side or lower end of the storage tank to discharge the condensed water stored in the storage tank; and
a drain pump connected to the condensate drain pipe to discharge the condensed water in the storage tank to the outside through the condensate drain pipe;
Food waste drying apparatus further comprising a.
delete delete delete delete The method of claim 1,
The drying unit,
a heater temperature sensor unit measuring the temperature of the heater and outputting a corresponding signal;
a drying unit temperature sensor unit measuring the temperature of the drying unit and outputting a corresponding signal; and
a condensing unit temperature sensor unit for measuring the temperature of the condensing unit;
Food waste drying apparatus further comprising a.
3. The method of claim 2,
the storage tank
and a water level sensor capable of measuring the storage level of the condensed water,
When the water level sensor detects that the condensed water stored in the storage tank is stored above a predetermined height, the water level sensor transmits a corresponding control signal.
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