KR20170029992A - Rotary type fermentation apparatus for drying waste environmentally friendly - Google Patents

Abstract

The present invention relates to a rotary type eco-friendly waste fermentation/drying apparatus which comprises: a mounting plate; a stirring drum including a hopper release pipe and a waste outlet; a hot air supply part including a hot air supply pipe, a heat, and a blower; a stirring plate having an inclined plate facing down toward the waste outlet; a pulverization part to which a pulverization blade is mounted; and a spiral blade pushing the fermented waste to the outside through the waste outlet as the stirring drum rotates.

Description

[0001] The present invention relates to a rotary type fermentation apparatus for drying waste,

The present invention relates to a rotary type eco-friendly waste fermentation drying apparatus, and more particularly, to a rotary type eco-friendly waste fermentation drying apparatus, which comprises continuously feeding a livestock manure, fish and shellfish sludge, sewage sludge, food waste, , Feed, etc.), and the generation of odor during the process can be suppressed.

In recent years, the amount of organic waste generated in Korea is increasing due to the increase of national income, urbanization, and industrialization.

Organic wastes are wastes with an organic content of 40% or more derived from plants and animals. Currently, a significant amount of wastes are treated by landfilling, incineration, and marine dumping. Regulation for prevention of environmental pollution will be strengthened in the future by treatment with marine dumping, landfill and incineration. It is expected to follow.

Composting is one of organic wastes disposal methods using aerobic organic matter decomposition of microorganisms. It can significantly reduce problems such as odor, ground water pollution caused by leachate, animal and human pathogen propagation that occur when landfill waste is directly buried, During the process, organic carbon is lost to carbon dioxide by microbial respiration, thus reducing the overall amount of waste.

In addition, since there is no air pollution problem that occurs during incineration, composting is thought to be the most environmentally friendly treatment technology, and research on this technology is progressing steadily, and various composting technologies are now being introduced.

Open Publication No. 1997-0027022 (published on June 24, 1997) discloses a method for reducing the fermentation time and drying time for composting of animal waste and agricultural waste generated in various farms, A heat-conserving rotary compost dry-fermenting device which can contribute.

According to this publication, a conventional dry fermentation apparatus is provided with a hot air circulation path for generating hot air at one side and drying the supplied compost. The rotary type compost drying and fermentation apparatus includes a frame, A supply portion into which a gas is introduced; A mixing unit having a screw installed therein for crushing and mixing the compost conveyed through the supply unit; An inlet-side receiving cylinder coupled with the outlet duct integrally formed with the mixing unit and having a receiving space therein; A discharge-side quadrilateral cylinder provided on the other side of the inlet-side accommodating cylinder and having an exhaust communication port through which exhaust gas generated when the compost is dried, and a discharge port through which the dried compost is discharged; A drying furnace which is attached to the inlet-side receiving cylinder and the discharging-side square cylinder and in which the compost supplied from the mixing unit is dried; A driving motor installed at the center of the frame for rotating the drying furnace; A guide part for supporting rotation of the drying furnace; And a support roller that rotates along the guide portion as the drying furnace rotates on both sides of the frame.

According to the above-described technical construction, the conventional dry fermentation apparatus is provided with a supply part for entering compost, an exhaust communication for discharging exhaust gas generated when the compost is dried, and an outlet for discharging the dried compost, Heat loss is generated, and it is difficult to keep the inside of the drying furnace at a predetermined temperature, so that there is a problem that the composting efficiency is lowered.

Meanwhile, the inventor of the present invention has filed a patent application for the "Eco-friendly waste fermentation drying device" and registered with No. 1507303 (registered on March 25, 2015).

Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide a method and apparatus for disposing of resources (compost, feed, etc.) To provide a rotary type eco-friendly waste fermentation drying device capable of suppressing generation of odor in the process.

In order to achieve the above-mentioned object, the present invention provides a method for continuously supplying wastes through a waste input hole drilled at the center of one side, A cylindrical stirring drum in which a hopper discharge pipe is drawn inward and a waste discharge hole is formed in the other end, a heater and a blower for heating the air are provided through a hot air supply pipe through the waste input hole so as to blow hot air into the stirring drum An agitating plate having a downward inclined surface disposed at a predetermined interval on the inner wall of the agitating drum so as to agitate the waste introduced during the agitating drum rotation and to transfer the waste to the waste outlet, A protruding form on the transverse bar installed across the stirring drum Is installed in the pulverizing blade is equipped with a milling unit and stirring drum inside the rear characterized in that the blade provided with a spiral to be agitated drum to push the waste fermentation process according rotates to the outside through the waste outlet.

The apparatus stand is provided with a support roller for supporting the front and rear lower portions of the stirring drum, and a roller seating groove is formed on the outer circumferential surface of the stirring drum corresponding to the support roller.

And a circulation duct is provided to circulate the gas inside the stirring drum through the heater when the blower is operated, the one end of the circulation duct being connected to the stirring drum through the waste outlet and the other end being connected to the hot air supply unit.

And a funnel-shaped variable cover member is installed at one end of the circulation pipe so as to seal the waste outlet and push out the fermented waste.

The rear surface of the stirring drum is provided with a cleaning door which can be opened and closed so as to remove accumulated waste adhered to the spiral blade.

According to the present invention, it is possible to add resources (manure, feed, etc.) during operation by continuously feeding livestock manure, seafood waste, sewage sludge, food waste and livestock carcass through drying, There is no need to set up a device for waste input, so that the energy efficiency is high and the operation is simple.

Further, according to the present invention, the inside of the stirring drum is kept in a closed state during the drying, crushing and fermentation processes of wastes and air circulating inside the stirring drum is circulated so as to pass through the heater, have.

1 is a perspective view of a rotary type eco-friendly waste fermentation drying apparatus according to the present invention,
FIG. 2 is a perspective view of FIG. 1,
3 is a sectional view showing the internal structure of the eco-friendly waste fermentation drying apparatus according to the present invention,
4 is a detailed sectional view of the waste outlet of the eco-friendly waste fermentation drying apparatus according to the present invention.

Hereinafter, preferred embodiments of the rotary type eco-friendly waste fermentation drying apparatus according to the present invention will be described in detail with reference to the accompanying drawings.

First, the present invention relates to a drying device for converting organic wastes containing moisture such as livestock manure, fish and shellfish sludge, sewage sludge, food waste and livestock carcass into resources (compost, feed, etc.) by fermenting them at low cost, It is not limited to the examples listed above.

1 to 4, an embodiment according to the present invention includes a device stand 10, a motor shaft 20 which is rotatably installed on the device stand 10 and rotates by receiving power from the drive motor 20, A cylindrical stirring drum 30 in which a hopper discharge pipe 105 for introducing waste continuously through the waste input hole 31 is drawn inward and a waste outlet 32 is formed in the other end, A hot air supply unit 60 having a heater 62 for heating the air and a blower 63 to receive the hot air supply pipe 61 through the waste input hole 31 so that hot air can be blown inward, A stirring plate 33 disposed at an interval on the inner wall of the stirring drum 30 so as to be able to stir the wastes charged during rotation and to transfer the waste to the waste outlet 32 side and having a downward slope toward the waste outlet 32, The pulverized waste during the rotation of the drum (30) A crushing section 40 provided with a crushing blade 42 in a protruding form on a transverse bar 41 installed across the stirring drum 30 so as to be able to rotate the stirring drum 30, The spiral blade 120 is provided so that the fermented waste can be pushed out to the outside through the waste outlet 32.

In the above technical arrangement, the apparatus stand 10 is a structure for rotatably supporting the stirring drum 30, and is preferably made of a steel structure such as an H beam.

The stirring drum 30 may have an elongated cylindrical shape. For example, when the outer diameter of the stirring drum 30 is 1,300 mm, the length may be 6,000 mm.

In addition, the stirring drum 30 has a structure in which the waste injection hole 31 is drilled at the center of one end and the waste outlet 32 is formed at the other end to communicate with the outside.

The stirring drum 30 is provided with an auxiliary inlet 34 which is opened and closed by a door so that waste can be injected onto the outer circumferential surface in addition to the waste injection hole 31.

The auxiliary inlet 34 can be used to feed a body such as a cattle or pig, which is difficult to input through the hopper 100.

The hopper discharge pipe 105 is a passage for moving the waste introduced into the hopper 100 to the inside of the stirring drum 30 so that the hopper 100 is installed higher than the stirring drum 30 so that waste can be moved by its own weight Do.

The hot air supply unit 60 is a means for providing a heat source necessary for drying and fermenting the waste. The hot air supply unit 60 includes a hot air supply pipe 61 that is introduced into the stirring drum 30 through a waste input hole 31, (62) and a blower (63) for blowing hot air into the stirring drum (30).

The stirring plate 33 is in the form of a plate and spirally arranged on the inner wall of the stirring drum 30. As the stirring drum 30 rotates, the waste is lifted upward by the stirring plate 33, ) Is inclined, the waste falls and stirring is performed.

The stirring plate 33 has one side bent upwardly toward the waste charging hole 31 and the other side bent downwardly toward the waste discharge port 32 so that the waste is stirred by the downward inclined surface of the stirring plate 33 when the waste is stirred. The waste water flows along the downward inclined surface and is moved to the waste discharge port 32 side.

The crushing section 40 has a structure for crushing a large lumpy waste such as a livestock carcass or the like and is provided with a plurality of transverse rods 41 across the stirring drum 30, A plurality of crushing blades 42 are mounted so that the livestock carcass is torn by the crushing blade 42 or the livestock carcass is caught by the crushing blade 42 to be pulled upward and then the crushing blade 42 is inclined, The waste is crushed by a method of falling and tearing by colliding with another crushing blade 42.

The spiral blade 120 is configured to push out the waste fermented externally through the waste outlet 32, and is formed in a spiral shape that gradually narrows toward the waste outlet 32.

According to the above technical arrangement, the stirring drum 30 rotatably installed on the apparatus stand 10 can be used to feed livestock manure, seafood sludge, sewage sludge, food waste, livestock carcass (such as chicken or duck) Of the waste.

When power is applied to the driving motor 20 in a state where an appropriate amount of waste is put in the stirring drum 30, the stirring drum 30 rotates and power is supplied to the heater 62 and the blower 63, The hot air is supplied into the stirring drum 30 through the heat exchanger 61.

At this time, the rotational speed of the stirring drum 30 and the temperature of hot air are set so that the drying, grinding and fermentation processes of the waste can be performed, and the driving motor 20, the heater 62 and the blower 63 are controlled by the controller Not shown).

The waste is dried in contact with the hot air in the process of being stirred by the stirring plate 33. When the waste is agglomerated, the waste is crushed by the crushing unit 40 equipped with the crushing blade 42.

The fermentation of the waste is performed in a process of maintaining the temperature of the inside of the stirring drum 30 at a proper temperature by hot air and being transferred to the waste outlet 32. Depending on the type of the waste to be supplied, Microorganisms may be added to the microorganism.

The fermented waste is pushed up along the spiral of the spiral blade 120 by the rotation of the stirring drum 30 and is discharged to the outside through the waste outlet 32.

On the other hand, the stirring drum 30 rotates at a low speed such as rotating several times in an hour so that the drying, crushing and fermentation of the waste can be sufficiently performed. As the fermented waste is slowly discharged, the amount of the charged waste gradually decreases.

In this case, according to the present invention, since the waste can be further introduced through the hopper 100, there is no need to stop the apparatus for putting the waste or to wait until all of the waste is discharged from the agitation drum 30, In addition, the continuous operation can be performed only by setting the rotational speed of the stirring drum 30, the temperature of hot air, and the like at one time.

The apparatus stand 10 is provided with a support roller 90 for supporting the front and rear lower portions of the stirring drum 30 and is provided on the outer peripheral surface of the stirring drum 30 in correspondence with the support roller 90, The seating groove 35 is formed.

The gear wheel 110 attached to the stirring drum 30 and rotating integrally rotates by receiving the power from the drive motor 20 attached to the apparatus stand 10 through the power transmitting member 111. [

According to the above technical arrangement, the stirring drum 30 is supported by the support rollers 90 so that the front and rear lower portions thereof are supported, and the roller receiving grooves 35 And is rotatably installed on the apparatus stand 10.

The agitating drum 30 is configured to transmit the power from the drive motor 20 attached to the apparatus stand 10 through the power transmitting member 111, for example, a belt, a chain, Take and rotate. Of course, the rotational speed of the stirring drum 30 may vary depending on the rotational speed of the drive motor 20 or the configuration of the power transmitting member 111. [

The other end is connected to the hot air supply unit 60 through the waste discharge port 32 so that the gas inside the stirring drum 30 is heated by the heater 63 when the blower 63 is operated. The circulation line 50 is provided so as to circulate via the circulation line 62.

The blower 70 is installed on the circulation duct 50 and circulates the gas inside the stirring drum 30 by blowing in one direction so that the gas heated by the heater 62 is circulated through the hot air supply pipe 61 So that hot air is supplied to the stirring drum 30.

The heater 62 is preferably realized by a heat conductive rod and heats the gas passing along the circulation duct 50 to burn odor particles contained in the gas or disinfect the pathogens to suppress the generation of odor.

The internal temperature of the stirring drum 30 is set to 50 to 60 ° C in order to increase the fermentation efficiency. For this purpose, the heater 62 and the blower 63 can operate intermittently.

Therefore, the waste is fermented under a predetermined temperature condition, is transferred to the rear of the stirring drum 30, and is discharged to the outside through the waste outlet 32.

Here, the charged waste is conveyed as the stirring drum 30 rotates, and the rotational speed of the stirring drum 30 is set so that sufficient fermentation is achieved when the waste reaches the rear of the stirring drum 30.

That is, the lower the rotation speed of the stirring drum 30, the longer the time for the waste to remain in the stirring drum 30, so that a sufficient fermentation time can be obtained.

On the other hand, one end of the circulation duct 50 is drawn into the stirring drum through the waste outlet 32, and the other end is communicated with the hot air supply unit 60.

Therefore, when blowing is performed by the operation of the blower 63, the gas circulation in the stirring drum 30 is performed, and when hot air is supplied by the operation of the heater 62, hot air is recovered due to gas circulation, It is possible to reduce the energy required to maintain the temperature of the substrate at a constant temperature.

Here, the circulation duct 50 is installed so as not to interfere with the rotating stirring drum 30, and is supported by the hanger 51 provided on the apparatus stand 10. [

Next, a funnel-shaped variable cover member 80 is installed at one end of the circulation duct 50 to seal the waste outlet 32 but allow the fermented waste to be pushed out.

Specifically, the variable cover member 80 is made of a synthetic resin material having a funnel-like shape and extending outwardly in close contact with the inner circumferential surface of the waste discharge port 32 by wrapping the circulation duct 50 and having an elastic force.

Therefore, the space between the waste discharge port 32 and the circulation duct 50 is sealed to reduce heat loss, and the fermentation waste is discharged through the waste discharge port 32 without any separate opening / closing operation.

That is, in the waste fermentation process, the stirring drum 30 rotates at a constant speed to move the waste backward together with the stirring of the waste. The waste moved to the waste discharge port 32 is spiraled by the rotation of the stirring drum 30, And is discharged to the outside by the blade 120.

At this time, only the portion of the variable cover member 80 made of a synthetic resin material having an elastic force pushes the fermentation waste, and the remaining portion is kept in a closed state.

As a result, it is possible to maintain the inside of the stirring drum 30 in a closed state by providing the door 101 which can be opened and closed at the inlet of the hopper 100 and the variable cover material 80 at the waste outlet 32, Can be reduced.

Next, the hot air supply pipe (61) is inserted into the stirring drum (30) through a hopper discharge pipe (105).

As described above, the stirring drum 30 has a cylindrical structure in which the waste injection hole 31 is pierced at the center of one end and the waste outlet 32 is formed at the other end to communicate with the outside.

Since the hopper discharge pipe 105 that is drawn into the stirring drum 10 through the waste input hole 31 is in a fixed state, the waste input hole 31 is formed to reduce the interference with the rotating stirring drum 30, A friction reducing member 36 such as a bearing for supporting the hopper discharge pipe 105 may be installed.

It is preferable that the hopper discharge pipe 105 is installed in the waste charging hole 31 so that the hot air supply pipe 61 is drawn into the stirring drum 30.

In this case, the hot air supply pipe (61) is installed along the inclined surface of the hopper discharge pipe (105) so that the injection of waste can be smoothly performed.

Next, the stirring drum 30 is arranged on the outer circumferential surface with a heat ray 130, and the heat insulating material 140 is coated thereon.

That is, the heat ray 130 is spirally or zigzag on the outer circumferential surface of the stirring drum 30, and the heat insulating material 140, for example, urethane is placed on the outer circumferential surface of the stirring drum 30, or a steel plate is covered on the urethane, And supplies electricity to the hot wire 130 through a slip ring (not shown).

With the above configuration, even when the outside temperature such as winter is low, the temperature inside the stirring drum 30 can be maintained at an appropriate temperature, and the fermentation efficiency can be increased.

Next, the circulation duct 50 is further provided with a drain trap (not shown) for discharging condensation water in the duct.

The above-mentioned technical construction is such that hot air is blown into the stirring drum 30 and condensed water generated on the circulating duct 50 is discharged to the outside in the process of circulating the air inside the stirring drum 30 by using the blower 63 Thereby helping to reduce the internal humidity of the stirring drum 30 to a humidity suitable for waste fermentation.

On the other hand, when the cooling coil is installed on the circulation duct 50, the moisture contained in the air can be rapidly condensed during the air circulation so that the humidity inside the stirring drum 30 can be lowered more quickly.

The rear surface of the stirring drum 30 is provided with a cleaning door 150 which can be opened and closed so as to remove accumulated waste adhering to the spiral blade 120 when using for a long time.

Here, the cleaning door 150 can be satisfactorily realized by a fastening structure using a bolt, a sliding door, a sliding door system, or the like.

Accordingly, when the waste is not smoothly discharged during operation, the user can stop the apparatus and open the cleaning door 150 to clean the inside of the stirring drum 30. [

It is to be understood by those skilled in the art that the foregoing description is not intended to limit the present invention to the understanding of the present invention and that various modifications may be made without departing from the scope of the present invention.

10: device 20: drive motor
30: Stirring drum 31: Waste input ball
32: waste outlet 33: stirring plate
40: crushing section 41:
42: Grinding blade 50: Circulation duct
51: hanger 60: hot wind supply part
61: hot air supply pipe 62: heater
63: blower 80: variable cover material
90: Support roller 100: Hopper
105: hopper discharge pipe 110: gear wheel
111: Power transmission member 120: Spiral blade
130: Heat line 140: Insulation
150: Cleaning door

Claims (5)

The device stand,
A hopper discharge pipe for receiving the waste continuously through the waste input hole drilled at the center of one end of the hopper is connected to the inside and the waste outlet is formed at the other end A cylindrical stirring drum,
A hot air supply unit having a heater for blowing a hot air supply pipe through the waste input hole and heating the air and a blower so as to blow hot air into the stirring drum,
A stirring plate disposed at a predetermined interval on the inner wall of the stirring drum so as to stir the wastes charged in the stirring drum rotation and to transfer the wastes to the waste outlet,
A crushing unit equipped with a crushing blade in a protruding form on a transverse bar installed across the stirring drum so as to crush the waste introduced during the rotation of the stirring drum;
And a spiral blade installed at an inner side of the stirring drum to push out the fermented waste through the waste outlet as the stirring drum rotates. The method according to claim 1,
Wherein the apparatus stand is provided with a support roller for supporting the front and rear lower portions of the stirring drum, and a roller seating groove is formed on the outer circumferential surface of the stirring drum corresponding to the support roller. The method according to claim 1,
And a circulation duct for circulating the gas inside the stirring drum through the heater during the operation of the blower is further provided so that one end of the circulation duct is drawn into the stirring drum through the waste outlet and the other end is connected to the hot air supply unit side Rotary type eco-friendly waste fermentation drying device. The method of claim 3,
And a funnel-shaped variable cover member is installed at one end of the circulation duct so as to seal the waste outlet and push out the fermented waste. The method according to claim 1,
Wherein the rear surface of the stirring drum is provided with a cleaning door that can be opened and closed so as to remove accumulated waste adhered to the spiral blade.

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