KR102050769B1 - Method and apparatus for treatment of food waste - Google Patents

Abstract

Disclosed in the present invention are a device and a method for treating food waste, capable of crushing and drying food waste and fermenting the same through microorganisms to be composted. The device for treating food waste comprises a crushing part which crushes and supplies food waste; a reaction bath which provides a reaction space for receiving the food waste crushed by the crushing part and microorganisms and making the food waste fermented by the microorganisms, and discharges the fermented food waste; a stirring part which is installed at the reaction bath and stirs the food waste and the microorganisms by rotary motion; a hot wind supplying part which supplies high temperature air into the reaction bath to activate the microorganisms and dries the reaction space of the reaction bath; and a dust collecting part which collects gas generated from the reaction bath and discharges the same into the atmosphere.

Description

Food waste treatment apparatus and method {METHOD AND APPARATUS FOR TREATMENT OF FOOD WASTE}

Embodiments disclosed herein relate to a food waste treatment apparatus and method, and more particularly, to a food waste treatment apparatus and method that can be fermented through microorganisms while composting and drying food waste.

In general, the amount of food waste generated in homes and restaurants is increasing day by day with the abundance of living conditions, and when the value of discarded food is converted into a price, economic losses of up to trillions of won are generated as well as food waste. Treatment is also a social problem, causing environmental pollution.

Conventional food waste treatment methods are mainly reduced or incinerated, but since these methods require the addition of incineration facilities, they face difficult opposition from local residents and cause secondary pollution. Was inadequate.

In addition, in the method of landfill treatment of food waste, landfills tend to decrease, and it is very difficult to find new landfills, which is not practical.

Accordingly, in recent years, a technology for recycling food waste or fertilizer by fermenting food waste using microorganisms has been developed.

As a related art, Korean Laid-Open Patent Publication No. 10-2005-0036834 (name of the invention: a food waste treatment device using microorganisms) includes an infusion tube for injecting microorganisms into grounds being ground by a grinding device and a grinding device that ferment food waste. Although there is a food waste treatment apparatus comprising a, the food waste treatment apparatus has a disadvantage in that the installation structure is complicated because the means for injecting microorganisms as well as the grinding apparatus must be installed at the same time.

In addition, the prior art as described above has a problem that it is difficult to create an environment in which microorganisms can be activated and vulnerable to sewage or odor generation.

In addition, the prior art also has a problem that the food waste to be fermented is fixed to the side wall of the treatment tank.

Therefore, there is a need for a technique for solving the above problems.

On the other hand, the background art described above is technical information that the inventors possess for the derivation of the present invention or acquired in the derivation process of the present invention, and is not necessarily a publicly known technique disclosed to the general public before the present application. .

Embodiments disclosed herein are intended to provide a food waste treatment apparatus and method capable of composting food waste smoothly by composting food waste by crushing and drying it with a microorganism.

In addition, the embodiments disclosed herein, it is an object to provide a food waste treatment apparatus and method that can easily crush the food waste in the form of a slurry, food waste can be stirred smoothly in the reaction tank.

In addition, the embodiments disclosed herein are intended to provide a food waste treatment apparatus and method capable of supplying high temperature hot air to the reaction tank to activate aerobic microorganisms and at the same time dry food waste in the reaction tank.

In addition, the embodiments disclosed herein, an object of the present invention is to provide a food waste treatment apparatus capable of preventing the food waste from being fixed to the wall of the reactor while drying the food waste through hot air.

In addition, the embodiments disclosed herein, the object is to provide a food waste treatment apparatus that can be released to the atmosphere by removing the odor contained in the gas generated in the reaction tank.

Technical means for achieving the above-described technical problem, according to an embodiment of the food waste processing apparatus, a crushing unit for crushing and supplying food waste; A reaction tank configured to feed the food waste and microorganisms crushed by the crushing unit together to provide a reaction space for fermentation of the food waste by the microorganisms, and to discharge the food waste that has been fermented; A stirring unit installed in the reactor to stir the food waste together with the microorganisms through a rotary motion; A hot air supply unit for drying the reaction space of the reactor while activating microorganisms by supplying hot air into the reactor; And it may include a dust collector for collecting the gas generated in the reaction tank to discharge to the atmosphere.

In addition, the shredding unit, the shredding hopper into which food waste is injected; A water supply for supplying water having a capacity set according to the amount of food waste put into the shredding hopper to the shredding hopper; A shredding pump installed in the shredding hopper and pumping the shredded food waste while the shredded food waste mixed with water in the form of slurry to discharge from the shredding hopper; And it may include a supply pipe for supplying food waste to the reactor while connecting the crushing pump and the reaction tank.

In addition, the stirring unit, a pair of shafts rotatably installed while extending in the longitudinal direction inside the reaction tank; A plurality of stirring paddles respectively installed along the longitudinal direction of each of the pair of shafts to stir the food waste while rotating together with the pair of shafts; And it may include a drive unit for interlocking the pair of shafts while providing a rotational force in a state installed outside the reactor.

In addition, the stirring paddle, the paddle body is fixed while making a vertical state with the shaft; And it is made of a plate having a predetermined area, and may be coupled to the end of the paddle body paddle wing for stirring the food waste while rotating with the paddle body by the rotation of the shaft.

In addition, the hot air supply unit, a hot air fan for providing a high temperature hot air in a state installed outside the reaction tank; A hot air supply pipe extending into the reaction tank while being connected to the hot air fan and supplying hot air of the hot air fan to the reaction tank; And a hot air nozzle installed along the longitudinal direction of the hot air supply pipe to inject the hot air into the reactor.

In addition, the hot air nozzle, the first nozzle for injecting hot air toward the inner space of the reaction tank; And it may include a second nozzle for spraying hot air toward the wall surface of the reactor.

In addition, the dust collecting unit, the gas inlet pipe is installed inside the reaction tank for introducing gas; An exhaust fan connected to the gas inlet pipe in a state of being installed outside the reactor to discharge gas while providing suction power; And it may include a deodorizing member connected to the exhaust fan to deodorize and release the odor contained in the gas.

In addition, the deodorizing member may include a scrubber that collects the particles contained in the gas and discharges the gas into the atmosphere while contacting the gas introduced by the exhaust fan with the liquid.

In addition, as a technical means for achieving the above-described technical problem, according to an embodiment of the food waste treatment method, in the food waste treatment method for composting food waste by using a food waste treatment apparatus, the shredding unit to Crushing into a slurry form; Supplying the crushed food waste to the reactor with the microorganisms; Maintaining the temperature inside the reactor at a predetermined temperature; Supplying hot air into the reactor by the hot air supply unit; Stirring the food waste together with the microorganisms in the stirring unit in the reaction tank; And collecting the gas generated in the reactor by the dust collector and discharging it to the atmosphere.

In addition, the step of supplying hot air into the reactor, the hot air supply unit supplying hot air toward the inner space of the reactor; And supplying hot air toward the wall surface of the reactor.

According to any one of the above-mentioned means for solving the problem, food waste, which is crushed in the form of slurry by the crushing unit is dried with stirring in a reaction tank together with the microorganisms, the food waste can be fermented smoothly and composted.

In addition, according to any one of the above-described problem solving means, the aerobic microorganism can be activated because the hot air supply unit supplies a high temperature hot air to the reaction tank, and at the same time it can be composted while the food waste is dried fermentation smoothly.

In addition, according to any one of the above-described problem solving means, the hot air nozzle constituting the hot air supply unit is composed of a first nozzle and a second nozzle to inject hot air toward the inner space of the reaction tank and the wall surface of the reaction tank, respectively. Hot air can be supplied smoothly, and in particular, food waste can be prevented from sticking to the wall of the reactor.

In addition, according to any one of the above-described problem solving means, the deodorizing member constituting the dust collecting unit is composed of a scrubber to collect the particles contained in the gas by contacting the gas with the liquid can be released after the odor of the gas smoothly removed have.

The effects obtainable in the disclosed embodiments are not limited to the effects mentioned above, and other effects not mentioned above are apparent to those skilled in the art to which the embodiments disclosed from the following description belong. Can be understood.

1 is a block diagram showing the configuration of a food waste treatment apparatus according to an embodiment.
Figure 2 is a cross-sectional view showing a reaction vessel and the stirring portion of the food waste treatment apparatus according to an embodiment.
3 is an enlarged view illustrating the stirring pad shown in FIG.
5 is a flowchart showing a food waste treatment method.

Hereinafter, various embodiments will be described in detail with reference to the accompanying drawings. The embodiments described below may be embodied in various different forms. In order to more clearly describe the features of the embodiments, detailed descriptions of the matters well known to those skilled in the art to which the following embodiments belong are omitted. In the drawings, parts irrelevant to the description of the embodiments are omitted, and like reference numerals designate like parts throughout the specification.

Throughout the specification, when a configuration is "connected" to another configuration, this includes not only 'directly connected', but also 'connected with another configuration in the middle'. In addition, when a configuration "includes" a certain configuration, this means that, unless specifically stated otherwise, it may further include other configurations other than the other configuration.

Hereinafter, exemplary embodiments will be described in detail with reference to the accompanying drawings.

1 is a block diagram showing the configuration of a food waste processing apparatus according to an embodiment, Figure 2 is a cross-sectional view showing a reaction tank and a stirring portion of the food waste processing apparatus according to an embodiment, Figure 3 is a stirring shown in FIG. An enlarged view showing the paddle. 5 is a flowchart showing a food waste treatment method.

Referring to Figure 1, the food waste treatment apparatus 10 according to an embodiment that can be environmentally friendly by drying and fermentation of food waste generated in a restaurant or home, crushing unit 100, the reaction tank 200 , A stirring unit 300, a hot air supply unit 400 and may be configured to include a dust collector (500).

The shredding unit 100 is a component for crushing food waste in the form of a slurry and then supplying it to the reactor 200 to be described later.

In detail, the crushing unit 100 may include a crushing hopper 110, a water supply 120, a crushing pump 130, and a supply pipe 140.

The shredding hopper 110 is a component to be shredded while receiving the food waste.

The crushing hopper 110 may be formed in a container shape of which the top is opened so that food waste may be introduced, and may be connected to a conveyor (not shown) to automatically feed food waste through the conveyor.

In addition, the crushing hopper 110 may be configured to be movable by installing a caster not shown in the lower end.

Water feeder 120 is a component for supplying the water of the set capacity to the crushing hopper 110 so that the food waste can be broken into a slurry form.

The water supply 120 may be connected to the water supply line to supply water while being automatically opened and closed, and may automatically supply water having a set capacity according to the amount of food waste introduced into the crushing hopper 110.

Here, the water supply 120 may supply water of the set water level while operating through a detection signal of a water level sensor not shown, which is provided in a vertical direction on the wall surface of the crushing hopper 110.

The shredding pump 130 is a component installed in the shredding hopper 110 to pump the shredded food waste while crushing the food waste mixed with water in the form of slurry to discharge from the shredding hopper 110.

In detail, the crushing pump 130 crushes the food waste through the chopper 131 rotating inside the crushing hopper 110, and sucks the food waste through the suction pipe 132 connected to the chopper 131. It can be supplied to the reactor 200.

Supply pipe 140 is a component for supplying the food waste crushed by the crushing pump 130 to the reaction tank 200 while connecting the crushing pump 130 and the reaction tank (200).

The supply pipe 140 is connected to the other end of the reaction tank 200 in a state in which one end is connected to the above-described suction pipe 132, when the crushing pump 130 operates the reaction vessel 200 of the food waste of the crushing hopper 110 ) Can be supplied.

Here, the supply pipe 140 may be supplied to the reaction tank 200 while heating the food waste by heating by a pipe heating member (not shown).

For example, the pipe heating member includes a heating wire installed along the longitudinal direction of the supply pipe 140 and a heating wire controller for heating the supply pipe 140 to a set temperature while controlling the heating temperature of the heating wire. Can be configured.

The reactor 200 is a component that provides a reaction space so that food waste can be fermented and composted by microorganisms.

Specifically, the reaction tank 200 is formed in the form of a tank having an inner space is connected to the above-described supply pipe 140 is supplied with food waste in the form of slurry, it may be provided with an inlet and outlet not shown.

The reaction tank 200 may be decomposed as the food waste is fermented by the microorganism by the microorganism is introduced into the inlet not shown, it may be discharged to the discharge port not shown food waste is fermentation is complete.

Here, the microorganisms introduced into the reaction tank 200 may be aerobic microorganisms activated by air containing oxygen.

In addition, the reaction tank 200 may maintain the temperature of the internal space set by the heat retaining part 250.

For example, the heat keeping unit 250 is installed to generate heat in a state embedded in the inner wall of the reaction tank 200 can maintain the temperature of the reaction tank 200 while generating heat by power supply, and with the hot air supply unit 400 to be described later It may be configured as a hot air heater configured separately to maintain the internal temperature of the reaction tank (200).

The warming unit 250 may maintain the temperature of the reaction tank 200 at a predetermined temperature while operating based on a detection signal of a temperature sensor installed in the reaction tank 200.

The stirring unit 300 is a component that is installed in the inner space of the reaction tank 200 to agitate the food waste with microorganisms through a rotational movement.

Specifically, the stirring unit 300 may include a shaft 310, a stirring paddle 320 and a drive unit 330 as shown in FIG.

The shaft 310 is a component that is rotated by the drive unit 330 which will be described later is installed in a pair and rotatably installed while extending in the longitudinal direction inside the reaction tank 200.

Each of the pair of shafts 310 may be rotatably installed at both ends of the reaction tank 200 through bearings, and may rotate while interlocking with the operation of the driving unit 330.

The stirring paddle 320 is a component for stirring the food waste while rotating with the shaft 310.

These stirring paddles 320 are configured in plural and are respectively installed at predetermined intervals along the length direction on each of the pair of shafts 310, and are radially installed about the shafts 310 and the shafts 310. Can rotate together.

Here, the pair of shafts 310 may be disposed so that the stirring paddle 320 provided in each cross to cross each other and cross the stirring paddle 320 while rotating, respectively, the stirring paddle 320 cross Can be arranged so that no interference occurs.

Specifically, the stirring paddle 320 may be configured to include a paddle body 321 and the paddle wing 322 as shown in an enlarged view in FIG.

The paddle body 321 is a component that is fixed while making a vertical state with the shaft 310 to rotate with the shaft 310.

The paddle body 321 may be fastened to the shaft 310 through the fastening bolt 321a, it may be fixed in a controlled state to achieve a set angle with the shaft 310 through the adjustment of the fastening bolt 321a. .

Here, the paddle body 321 may be formed in the shape of a rectangular bar having a predetermined width to stir the food waste while rotating together with the shaft 310.

The paddle wing 322 is stirred while stirring the food waste, and is fixed while being fastened to the end of the paddle body 321, is made of a plate having a predetermined area while rotating with the paddle body 321 while storing the food waste It can be stirred.

Here, the paddle wing 322 is fixed to the end of the paddle body 321 to be fixed to have an inclined surface 322a of a predetermined angle, it is possible to move along the longitudinal direction of the shaft 310 while stirring the food waste. .

On the other hand, the paddle body 321 and the paddle wings 322 may be formed with a blade portion along the circumference.

That is, the paddle body 321 and the paddle wing 322 may crush the food waste through the blade portion while stirring the food waste.

The drive unit 330 is a component that interlocks the pair of shafts 310 while providing a rotational force in a state installed outside the reaction vessel 200.

In detail, the driving unit 330 may include a driving motor 331, a reduction gear 332, a pinion gear 333, and a shaft gear 334.

The drive motor 331 may provide a rotational force by power supply.

The reduction gear 332 may be provided by reducing the rotation of the drive motor 331 to a set rotation speed.

The pinion gear 333 may be connected to the reduction gear 332 to rotate the shaft gear 334 simultaneously.

That is, the shaft gear 334 may rotate simultaneously with the pinion gear 333 by engaging the pinion gear 333 in a state in which the shaft gear 334 is installed on the pair of shafts 310, respectively.

Here, the pinion gear 333 is composed of a single number to rotate the pair of shaft gears 334 in the same direction, and as shown in the figure, a plurality of pairs of the shaft gears 334 are opposite to each other. It can also be rotated.

The hot air supply unit 400 is a component for activating aerobic microorganisms by supplying hot air into the reaction tank 200 and drying the reaction space of the reaction tank.

In detail, the hot air supply unit 400 may include a hot air blower 410, a hot air supply pipe 420, and a hot air nozzle 430 as shown in FIG. 1.

The hot air fan 410 may provide a high temperature hot air while operating in a state installed outside the reaction tank 200.

The hot air fan 410 may have any configuration as long as it can generate high temperature warm air, and may be configured to adjust the temperature of the hot air.

The hot air supply pipe 420 is extended to the inside of the reaction tank 200 in a state connected to the hot air blower 410 to supply the hot air supplied from the hot air blower 410 into the reaction tank 2000.

The hot air supply pipe 420 may be disposed in the upper space of the reactor 200 as shown in FIG.

The hot air nozzle 430 may be configured in plural to be installed along the longitudinal direction of the hot air supply pipe 420 to dry the food waste together with the activation of microorganisms by spraying the hot air into the reaction tank 200.

Here, the hot air nozzle 430 may be configured to include a first nozzle and a second nozzle.

The first nozzle may be installed to face the inner space of the reaction tank 200 to dry the food air waste through hot air spray and activate microorganisms.

The second nozzle may generate hot air to the hot air by spraying the hot air toward the wall surface of the reaction tank 200, and may prevent food waste from sticking to the wall surface of the reaction tank 200.

That is, the hot air sprayed from the second nozzle may be supplied while hitting the wall surface of the reaction tank 200 to cause vortexing, while preventing food waste from sticking to the wall surface of the reaction tank 200, and at the same time on the wall of the reaction tank 200. Located food waste may be moved to the lower portion of the reaction tank (200).

On the other hand, the reaction tank 200 may be formed by a plurality of anti-sticking projections not shown on the wall to prevent the food waste is fixed.

The anti-sticking protrusion may be provided in a plurality of hemispherical protrusions along the wall of the reaction tank 200 to prevent food waste from being fixed by reducing the contact area of the wall of the reaction tank with the food waste.

The dust collecting unit 500 is a component disposed in the upper space of the reaction tank 200 to collect the gas generated in the reaction tank 200 to discharge to the atmosphere.

As shown in FIG. 1, the dust collecting part 500 may include a gas inlet pipe 510, an exhaust fan 520, and a deodorizing member 530.

The gas inlet pipe 510 is installed inside the reaction tank 200 to introduce gas, and may be formed in a tubular shape having a plurality of inlets 511 to be installed in an upper space of the reaction tank 200. By operating the exhaust fan 520, the gas inside the reaction tank 200 may be introduced and discharged.

The exhaust fan 520 is a component for discharging the gas inside the reaction tank 200 while providing a suction force to the gas inlet pipe 510.

The exhaust fan 520 may discharge the gas inside the reaction tank 200 to the gas inlet pipe 510 by providing a negative pressure to the gas inlet pipe 510 while rotating by a power source.

The deodorizing member 530 is a component that deodorizes the odor contained in the gas discharged through the exhaust fan 520 and releases it to the atmosphere.

The deodorizing member 530 may be composed of a scrubber.

A scrubber is a device for collecting solid or liquid particles contained in a gas using a liquid as is known.

Such a scrubber may collect the particles contained in the gas to deodorize the odor by contacting the gas introduced by the operation of the exhaust fan 520 with the liquid, and may release the deodorized gas into the atmosphere.

A processing method for composting food waste using the food waste processing apparatus 10 according to the embodiment including the above components will be described with reference to FIG. 5.

The crushing unit 100 may crush the food waste introduced into the crushing hopper 110 in the form of a slurry (S100).

At this time, the crushing unit 100 may crush the food waste in the form of slurry by crushing the food waste with the water supplied by the water supply 120 to the crushing pump 130, the crushed food waste crushing pump 130 It can be discharged to the supply pipe 140 through the operation of).

The reaction tank 200 is a food waste is input through the supply pipe 140, aerobic microorganisms may be input through the inlet (S200).

In addition, the heat keeping part 250 may maintain the temperature inside the reaction tank 200 at a set temperature (S300).

At this time, the thermal insulation unit 250 may adjust the temperature of the reaction vessel 200 while operating to maintain the temperature inside the reaction vessel 200 to 40 degrees to 90 degrees Celsius.

The hot air supply unit 400 may dry food waste while activating aerobic microorganisms while supplying high temperature air into the reaction tank 200 (S400).

At this time, the hot air supply unit 400 may supply hot air toward the inner space of the reaction tank 200 through the first nozzle, and may supply hot air toward the wall surface of the reaction tank 200 through the second nozzle.

The stirring unit 300 may stir the food waste together with the microorganisms in the reaction tank 200 (S500).

At this time, the stirring unit 300 is a pair of shaft 310 is rotated through the operation of the drive unit 330, a plurality of stirring paddle 320 is rotated with the shaft 310, the food waste microorganisms It can be stirred together.

The dust collecting unit 500 may collect the gas generated in the reaction tank 200 during the stirring process of food waste and discharge it to the atmosphere (S600).

At this time, the dust collector 500 discharges the gas into the gas inlet pipe 510 through the operation of the exhaust fan 520, and collects and deodorizes the particles contained in the gas through the scrubber constituting the deodorizing member 530 Gas may then be released into the atmosphere.

As described above, according to the food waste processing apparatus 10 and the processing method according to the embodiment, hot air while stirring the food waste shredded into slurry in the form of slurry by the shredding part 100 together with the microorganisms in the reaction tank 200. Since the air supply unit 400 supplies high temperature hot air to the reaction tank 200, the aerobic microorganisms may be activated, and at the same time, the food waste may be dried and composted while being fermented smoothly.

The above-described embodiments are for illustrative purposes, and those of ordinary skill in the art to which the above-described embodiments belong may easily change to other specific forms without changing the technical spirit or essential features of the above-described embodiments. I can understand. Therefore, it is to be understood that the above-described embodiments are illustrative in all respects and not restrictive. For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as distributed may be implemented in a combined form.

The scope to be protected by the present specification is represented by the following claims rather than the above description, and should be construed to include all changes or modifications derived from the meaning and scope of the claims and their equivalents. .

10: food waste treatment device
100: crushing unit
110: crushing hopper 120: water supply
130: crushing pump 140: supply piping
200: reactor
250: insulation
300: stirring section
310 shaft 320 stirring paddle
321: paddle body 322: paddle wings
330 drive unit
400: hot air supply unit
410: hot air fan 420: hot air supply pipe
430 hot air nozzle
500: dust collector
510 gas inlet pipe 520 exhaust fan
530: deodorizing member

Claims (10)

Crushing unit for crushing and supply food waste;
A reaction tank configured to feed the food waste and microorganisms crushed by the crushing unit together to provide a reaction space for fermentation of the food waste by the microorganisms, and to discharge the food waste that has been fermented;
A stirring unit installed in the reactor to stir the food waste together with the microorganisms through a rotary motion;
A hot air supply unit which is disposed in an upper space of the reaction tank while being separated from the stirring unit and supplies a high temperature air into the reaction tank to dry the reaction space of the reaction tank while activating microorganisms; And
Is disposed in the upper space of the reaction tank and includes a dust collecting unit for collecting the gas generated in the reaction tank to discharge into the atmosphere,
The hot air supply unit,
A hot air fan for providing high temperature hot air in a state installed outside the reaction tank;
A hot air supply pipe extending into the reaction tank while being connected to the hot air fan and disposed in an upper space of the reaction tank to supply hot air of the hot air fan to the reaction tank; And
Food waste treatment apparatus comprising a hot air nozzle is installed along the longitudinal direction of the hot air supply pipe for injecting the hot air into the reaction tank.
The method of claim 1,
The shredding part,
A crushing hopper into which food waste is introduced;
A water supply for supplying water having a capacity set according to the amount of food waste put into the shredding hopper to the shredding hopper;
A shredding pump installed in the shredding hopper and pumping the shredded food waste while the shredded food waste mixed with water in the form of slurry to discharge from the shredding hopper; And
And a supply pipe for supplying food waste to the reactor while connecting the crushing pump and the reactor.
The method of claim 1,
The stirring unit,
A pair of shafts rotatably installed in the reaction tank while extending in a longitudinal direction;
A plurality of stirring paddles respectively installed along the longitudinal direction of each of the pair of shafts to stir the food waste while rotating together with the pair of shafts; And
Food waste treatment apparatus comprising a drive unit for interlocking the pair of shafts while providing a rotational force in a state installed outside the reactor.
The method of claim 3, wherein
The stirring paddle,
A paddle body fixed while being in a vertical state with the shaft; And
A food waste processing apparatus comprising a paddle wing having a predetermined area and coupled to an end of the paddle body to stir the food waste while rotating together with the paddle body by the rotation of the shaft.
delete The method of claim 1,
The hot air nozzle,
A first nozzle injecting hot air toward the inner space of the reactor; And
Food waste treatment apparatus comprising a second nozzle for spraying hot air toward the wall surface of the reactor.
The method of claim 1,
The dust collecting unit,
A gas inlet pipe installed in the reactor to introduce gas;
An exhaust fan connected to the gas inlet pipe in a state of being installed outside the reactor to discharge gas while providing suction power; And
Food waste treatment apparatus comprising a deodorizing member connected to the exhaust fan to deodorize and release the odor contained in the gas.
The method of claim 7, wherein
The deodorizing member,
And a scrubber that collects particles contained in the gas while contacting the gas introduced by the exhaust fan with liquid, and then discharges the gas into the atmosphere.
In the food waste treatment method for composting food waste by using the food waste treatment apparatus according to any one of claims 1 to 4 and 6 to 8.
Crushing the food waste into a slurry;
Supplying the crushed food waste to the reactor with the microorganisms;
Maintaining the temperature inside the reactor at a predetermined temperature;
Supplying hot air into the reactor by the hot air supply unit;
Stirring the food waste together with the microorganisms in the stirring unit in the reaction tank; And
And collecting the gas generated in the reactor by the dust collector and discharging the gas into the atmosphere.
The method of claim 9,
Supplying high temperature air into the reactor,
Supplying hot air toward the inner space of the reactor by the hot air supply unit; And
And a hot air supply unit supplying hot air toward the wall surface of the reactor.

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