WO2021194182A1

WO2021194182A1 - Apparatus for fermenting and processing wet organic waste

Info

Publication number: WO2021194182A1
Application number: PCT/KR2021/003490
Authority: WO
Inventors: 진재명; 장석민
Original assignee: 진재명; 장석민
Priority date: 2020-03-23
Filing date: 2021-03-22
Publication date: 2021-09-30
Also published as: KR102192917B1

Abstract

The present invention is characterized by comprising: a mixing portion in which a microbiome, a biomass, and a plurality of additives are mixed so as to maintain a moisture content of less than 40% in the mixed composition; a stirring and fermentation portion in which the mixed composition and the wet organic waste are supplied in an amount of 60 parts by weight of the mixed composition on the basis of 100 parts by weight of wet organic waste and stirred and fermented to afford a fermentate, with the supply of air at a temperature of 25-60°C thereto; a transfer portion which is formed in the lower part of the stirring and fermentation portion, and receives the fermentate and transfers and stores same; and a molding portion which is connected to the transfer portion and in which the fermentate is molded and processed into a compost, or a molded fuel having a lower heating value of 3,500 kcal or more.

Description

Fermentation and treatment equipment for wet and organic waste

The present invention relates to an apparatus for fermentation and treatment of wet organic waste. More specifically, it does not generate odors and leachate at low cost when treating wet waste or organic waste containing moisture, and after treatment, eco-friendly, high-quality compost, or low-level calorific value of 3,500 kcal or more. , relates to a fermentation and treatment device for wet organic waste that can be recycled at low cost.

In general, organic wastes with a lot of moisture, such as food waste, sewage and wastewater, and livestock manure, are mixed with a moisture control agent (additive) and stored in a fermenter, and then fermented air is supplied to the lower part of the fermenter using a blower, and uniform fermentation For continuous composting, artificially agitated using a fermenter agitation facility, and then aerobically fermented and dried to make safe compost.

At this time, the anaerobic fermentation in which organic wastes are naturally fermented without agitation is exposed to a problem of severe odor due to the propagation of various decaying bacteria and the like. Rather, there is a problem in that the utility of the recycled fermented product is lowered.

Accordingly, a stirrer is installed in the fermenter to stir the organic waste, and then fermentation is dried to make compost, and various technologies have been proposed for a method and apparatus for efficiently processing such various organic wastes.

As an example, in Korean Patent Registration No. 10-0825988, a fermentation stirrer that reciprocates along rails installed on the upper surfaces of both walls of the fermenter and the organic waste installed in the fermentation stirrer are pumped up and then dropped. A device for destroying the compost bed of a fermentation stirring car of organic waste including a stirring escalator has been published.

However, according to the above-mentioned prior art literature, it is inefficient in terms of processing time or amount of processing, as well as processing costs are enormous, because it is necessary to work while operating the entire area of the fermenter in front and back and left and right several times. Inevitably, since it is a method of mixing organic wastes using a single escalator type, it is not possible to provide uniformity of fermentation quality because the organic wastes cannot be mixed evenly and the fermentation state is uneven, and it takes a long time (approx. 10 to 30 days) There is a problem in that it is difficult to provide high-quality fermented products due to a serious odor.

In order to solve the above problems, the present invention has been devised by the above-mentioned background art, and does not generate odor and leachate during the treatment of wet organic waste or organic waste containing moisture (hereinafter referred to as wet organic waste). To provide a fermentation and treatment device for wet and organic waste that can be recycled after processing, using eco-friendly, high-quality compost, or SRF with a low calorific value of 3,500 kcal or more, or a molding fuel consisting of BIO SRF, etc. There is a purpose.

In addition, in the present invention, aerobic, high-temperature, and low-temperature microorganisms are put into wet organic waste and stirred, and an anion generator is provided to supply negative ions together when hot air is supplied, thereby maximizing odor removal efficiency, as well as microorganisms By promoting their activities and allowing them to ferment and dry for 24 to 48 hours, the wet organic waste can be treated, so it can be treated at a cost of 20% to 30% compared to the existing wet organic waste treatment cost. The purpose is to provide a very economical fermentation and treatment device for wet and organic waste because it is possible to process wet organic waste at low cost.

According to an embodiment of the present invention for achieving the above object, a mixing unit for mixing a microbial group, biomass, and a plurality of additives, and forming a moisture content of the mixed composition to be less than 40%; Wet organic waste, the mixed composition is a 4, respectively: and supplied in a weight ratio of 6, while the air with negative ions consisting of a temperature of 25 ℃ ~ 60 ℃ as supplied the mixed composition and wet organic waste supplied for 24-48 hours Stirring and fermentation unit for producing a fermented product including a water content in a range that does not exceed 39% by weight in terms of the total weight by stirring and fermentation; a transfer unit configured to a lower portion of the stirring and fermenting unit, receiving the fermented product, and transporting and storing the fermented product; and a molding unit connected to the transfer unit and processing the fermented product into compost, or compost with a low calorific value of 3,500 kcal or more, or SRF, or a molding fuel made of BIO SRF by molding the fermented product.

According to an embodiment of the present invention, the mixing unit, rice husk 15% to 20% by weight, wood chips 15% to 20% by weight, peat moss 40% to 55% by weight, sawdust 15% to 20% by weight It is characterized in that the primary mixture is prepared by mixing the biomass consisting of, and a primary additive consisting of 60.20 CEC (cmol / kg) and montmorillonite in powder form having a particle size of 200 to 600 mesh.

According to an embodiment of the present invention, the primary mixture and, in the total weight, SiO ₂ 70.0 wt% ~ 85.0 wt%, Al ₂ O ₃ 10.0 wt% ~ 17.0 wt%, Fe ₂ O ₃ 1.2 wt% ~ 2.6 wt%, Cu 1.5 wt% to 3.7 wt%, Mn 1.0 wt% to 2.2 wt%, B 0.9 wt% to 2.0 wt%, CaO 0.2 wt% to 1.7 wt%, MgO 0.2 wt% to 0.8 wt% It is characterized in that the secondary additive is mixed.

According to an embodiment of the present invention, 5% to 10% by weight of the secondary additive and 90% to 95% by weight of the primary mixture are mixed to prepare a secondary mixture.

According to an embodiment of the present invention, the mixing unit, when inputting the secondary mixture and the microbial group to the stirring and fermentation unit, is added in the range of 0.05% by weight to 0.1% by weight of the microbial group with respect to 100% by weight of the secondary mixture characterized in that

In addition, according to another embodiment of the present invention, the wet organic waste having a moisture content of 80% to 90% of the secondary mixture and the microbial group and the primary stirred product prepared after primary stirring are added to the stirring and fermentation unit. characterized in that

According to an embodiment of the present invention, the stirring and fermentation unit may include: a stirring and fermentation main body configured to receive the mixed composition, or the primary agitated material and wet organic waste to perform stirring and fermentation; A stirring shaft which is configured in front and rear of the inside of the stirring and fermentation body, both ends are coupled to the stirring and fermentation body, and spirally coupled along the circumferential surface of the stirring shaft to stir the wet organic waste and the mixed composition a stirring blade and a stirring screw comprising a transmission sprocket configured at the other end of the stirring shaft to rotate the stirring shaft; a body cover detachably coupled to the upper portion of the stirring and fermentation body, and sealing the upper portion of the stirring and fermentation body; a drive unit configured to a lower portion of the stirring and fermentation body and rotating the transfer sprocket; an opening and closing door for opening and closing a lower surface of the stirring and fermentation body; an opening and closing means coupled to a lower surface of the stirring and fermentation body and supporting the opening and closing operation of the opening and closing door; It is characterized in that it comprises a; is configured to be connected to the lower portion of the stirring and fermentation unit, the air supply unit for supplying air at a constant temperature to the inside of the stirring and fermentation unit.

According to an embodiment of the present invention, the stirring and fermentation body includes a cover coupling groove that is detachably coupled to the main body cover along the upper circumferential surface, and prevents harmful gases and condensed water from being released during fermentation; A condensed water discharge unit for discharging condensed water to the outside, and a plurality of rows in positions opposite to each other at equal intervals on the bottom surface of the stirring and fermentation body, and a plurality of air holes having a diameter of 8 mm to 10 mm, and the stirring Both ends of the screw are coupled, and a shaft driving support for supporting the rotational operation of the stirring screw is further configured.

According to an embodiment of the present invention, the stirring screw is characterized in that it is configured such that the distance between the center of the axis of the stirring shaft respectively configured in the front and rear of the stirring and fermentation body is 500mm or less.

According to an embodiment of the present invention, the stirring blade has an outer peripheral surface and an inner peripheral surface, respectively, an outer stirring protrusion and an inner stirring protrusion in the form of a blade are formed, and the stirring blade is coupled to the stirring shaft, and the blade shape is formed on both sides. It is characterized in that the stirring blade is further configured.

According to an embodiment of the present invention, the stirring blade is configured to form a predetermined space between the stirring shaft and the stirring blade, and is characterized in that it is positioned at equal intervals along the circumferential surface of the stirring shaft.

According to an embodiment of the present invention, the stirring screw has a connection flange configured to be connected to the air supply unit to supply air, and is communicated with the connection flange, and air injection for injecting the air into the stirring shaft It is characterized in that it further comprises a ball and an air discharge hole which is formed through a plurality of holes along the circumferential surface of the stirring screw and for discharging the air injected through the air injection hole.

According to an embodiment of the present invention, the molding unit, a supply housing connected to the conveying unit and receiving a predetermined amount of fermented product from the conveying unit; a filling housing configured in a lower portion of the supply housing and configured to be filled with the supplied fermented product; a molding housing configured to be formed in a lower portion of the filling housing and configured to mold the filled fermented product; a first elevating member configured on an upper portion of the supply housing and blocking the inner wall surface of the supply housing by a descending operation during molding of the fermented product; And a lowering operation is made together with the first elevating member, and pressing the fermented material filled in the molding housing to form the fermented product into a molded fuel furnace made of compost, SRF, or BIO SRF, etc. member; characterized in that it includes.

According to this embodiment of the present invention, it is possible to produce eco-friendly, high-quality compost or molded fuel with a lower calorific value or higher after treatment without generating odor and leachate during the treatment of wet waste or organic waste containing moisture. By doing so, there is an effect that waste can be turned into a resource at a low cost.

In addition, the present invention puts aerobic, high-temperature, and low-temperature microorganisms into wet organic waste and stirs them, supplies warm air containing anions to promote the activity of microorganisms, and ferments and dries them for 24 to 48 hours. By allowing the treatment of wet organic waste, it is possible to process wet organic waste at a low cost as it can be treated at a cost of 20% to 30% compared to the conventional treatment cost of wet organic waste, and the effect of reducing waste treatment cost there is

1 is a configuration diagram schematically showing an apparatus for fermentation and processing of wet organic waste according to an embodiment of the present invention;

Figure 2 is a perspective view showing the stirring and fermentation unit of the fermentation and processing apparatus for wet and organic waste according to an embodiment of the present invention;

3 and 4 are a front view and a plan view showing the stirring and fermentation unit of the fermentation and processing apparatus for wet and organic waste according to an embodiment of the present invention;

5 and 6 are views showing the casing portion of the stirring and fermentation unit according to an embodiment of the present invention;

7 to 9 are enlarged views showing the main part of the casing according to an embodiment of the present invention,

10 and 11 are views showing the base frame and the driving unit of the stirring and fermentation unit according to an embodiment of the present invention;

12 to 14 are views showing the stirring screw of the stirring and fermentation unit according to an embodiment of the present invention;

15 is a view schematically showing a molding part of a fermentation and processing apparatus for wet and organic waste according to an embodiment of the present invention.

The present invention includes a mixing unit for mixing a microorganism group, biomass, and a plurality of additives, and forming a moisture content of the mixed composition to be less than 40%; The wet organic waste and the mixed composition are each supplied in a weight ratio of 4: 6, and the supplied mixed composition and the wet organic waste are stirred while supplying air and anions at a temperature of 25°C to 60°C for 24 hours to 48 hours. And a stirring and fermentation unit for producing a fermented product that is fermented so that the moisture content does not exceed 39% by weight based on the total weight; a transfer unit configured to a lower portion of the stirring and fermenting unit, receiving the fermented product, and transporting and storing the fermented product; and a molding unit connected to the transfer unit and processing the fermented product into compost, or SRF with a low calorific value of 3,500 kcal or more, or a molding fuel made of BIO SRF.

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

As shown, the fermentation and processing apparatus of wet organic waste is a mixing unit 100 that mixes a plurality of additives including aerobic, thermophilic, low-temperature microorganisms and biomass and various mineral components, from the mixing unit 100 The mixed mixture is supplied, agitating and fermenting the supplied mixture and wet organic waste, and the stirring and fermentation unit 200 supplying air at a predetermined temperature to promote the activity of microorganisms, the stirred and fermented fermented product The transfer and storage unit 400 for transferring to the forming unit 500, or re-supplying the stirring and fermentation unit 200, and a forming unit for processing the fermentation mulles stored from the transfer and storage unit 400 into moldings of various shapes (500) is included.

The mixing unit 100 is a component for producing a mixture input to the stirring and fermentation unit 200 together with the wet organic waste, and in the present invention, aerobic microorganisms comprising yeast, actinomycetes, and filamentous fungi, microorganisms surviving at a temperature of 45° C. or higher Thermophilic microorganisms composed of thermophilic actinomycetes, etc. corresponding to Montmorillonite) consisting of a primary additive and SiO ₂ ,Al ₂ O ₃ , Fe ₂ O ₃ , Cu, Mn, B, CaO, a component for preparing a mixture by mixing the secondary additive consisting of MgO.

The mixing unit 100 prepares a first mixture prepared by naturally drying the biomass and the first additive for a predetermined time after mixing the biomass, and then mixing and drying the first mixture and the secondary additive to obtain the secondary mixture. is prepared, and the prepared secondary mixture and microbial group are put into the stirring and fermentation body 210 of the stirring and fermentation unit 200 to be stirred and fermented together with the wet organic waste.

At this time, the primary mixture is a biomass consisting of 15% by weight to 20% by weight of rice husk, 15% by weight to 20% by weight of wood chips, 40% by weight to 55% by weight of peat moss, and 15% by weight to 20% by weight of sawdust as a primary additive and mixed in a certain weight ratio.

In the present invention, it is configured to prepare a first mixture by mixing 10% to 20% by weight of the primary additive and 80% to 90% by weight of biomass, and a temperature of 30°C to 50°C for 1 hour to 2 hours is configured to be stirred and dried by a stirrer, preferably, at 30-minute intervals, stirring and drying may be repeatedly performed, and is performed until the moisture content of the primary mixture is less than 40%.

Here, the primary additive is to be made of montmorillonite (Montmorillonite), montmorillonite is a mineral that emits a wavelength of far infrared rays of 5 to 20㎛, has excellent deodorization and absorption power, far infrared radiation distribution is evenly distributed without inclination to either side, thermal conductivity There are also high advantages.

In addition, the moisture adsorption rate of montmorillonite is about 1:3, and the moisture adsorption rate is three times higher than that of general loess or other minerals. It provides the effect of adsorbing, decomposing, and removing various germs and heavy metals.

In the present invention, when mixing between the aforementioned montmorillonite and biomass, 60.20 CEC (cmol/kg) is used and the mixing is made using montmorillonite in powder form having a particle size of 200 to 600 mesh.

In addition, when the mixing and drying of the primary mixture is completed, the mixing unit 100 prepares a secondary mixture by adding a secondary additive, and stirs and ferments the prepared secondary mixture and microorganisms at a predetermined weight ratio (200). ) is put into the inside of the agitation and fermentation body 210 to be stirred and fermented with wet organic waste.

Here, in the total weight, the secondary additive is SiO ₂ 70.0% by weight to 85.0% by weight, Al ₂ O ₃ 10.0% by weight to 17.0% by weight, Fe ₂ O ₃ 1.2% by weight to 2.6% by weight, Cu 1.5% by weight to 3.7 wt%, Mn 1.0 wt% to 2.2 wt%, B 0.9 wt% to 2.0 wt%, CaO 0.2 wt% to 1.7 wt%, MgO 0.2 wt% to 0.8 wt% mixed and dried.

At this time, in the present invention, 5% to 10% by weight of the secondary additive and 90% to 95% by weight of the primary mixture are configured to be mixed, and stirred by a stirrer at a temperature of 60° C. for 4 hours to 6 hours and drying, preferably, at intervals of 1 hour, stirring and drying may be repeatedly performed, the water content of the secondary mixture is less than 40%, and CEC (cmol/kg) is 73.40. carried out until

In addition, when the mixing unit 100 is added to the stirring and fermentation main body 210 for the secondary mixture and the microbial group, the input is made in the range of 0.05% by weight to 0.1% by weight of the microbial group with respect to 100% by weight of the secondary mixture. is configured to

On the other hand, in the present invention, before adding the secondary mixture and microorganism group prepared from the mixing unit 100 to the stirring and fermentation main body 210, the secondary mixture, the microorganism group and the wet organic phase by the primary stirring unit 150 It may be configured such that the primary stirring is performed by inputting waste, and the agitated material in which the primary stirring has been made is put into the stirring and fermenting unit 200 to perform secondary stirring.

At this time, in the case of wet organic waste input during the first stirring, the moisture content of 80% to 90% is added to produce a stirred product having a moisture content of 60% while stirring with the secondary mixture and microorganism group. , the prepared agitation may be introduced into the stirring and fermentation unit 200 to perform secondary stirring and fermentation.

The agitation and fermentation unit 200 receives wet organic waste from the waste input device and is configured to stir and ferment with the secondary mixture and microorganisms supplied from the mixing unit 100, and air (air) together with anions. It is configured to facilitate fermentation and drying by supplying, and the stirring and fermentation main body 210, the main body cover 230, the driving unit 250, the stirring screw 260, the opening/closing door 280 and the air supply unit 300. is comprised of

The stirring and fermentation main body 210 is a housing configured to receive wet organic waste and mixed composition, or primary agitated material, and to be stirred and fermented, and the upper part is opened so that stirring and fermentation of the wet organic waste and mixed composition is made. It is formed to be formed, and consists of a accommodating part 212 forming a predetermined space, and a plurality of spaced apart from the floor surface at a predetermined interval, and is connected to the air supply unit 300 to supply air at a predetermined temperature to the wet organic waste and the mixed composition side. An air hole 214 for discharging, is formed on one side of the bottom surface, and an outlet 216 for discharging the fermented product after stirring and fermentation to the transfer unit 400 is configured.

Here, the air hole 214 is configured to be spaced apart from each other by a predetermined interval in the longitudinal direction of the stirring and fermentation body 210, and is composed of a plurality of rows at positions opposite to each other at equal intervals, and the diameter thereof is 8mm to 10mm. It is configured so that the air is discharged and at the same time, the wet organic waste and the mixed composition are not introduced into the air hole 214 side.

In addition, a connection flange is configured in the air hole 214 to be connected to the air supply line 310 of the air supply unit 300 at a lower portion thereof.

In addition, the main body cover 230 is detachably coupled to the stirring and fermentation body 210 along the open upper peripheral surface of the receiving part 212 , and harmful gases and condensed water during fermentation are stirred and fermented by the stirring and fermentation body 210 . ) and the cover coupling groove 217 to prevent discharge into the gap between the body cover 230 is formed.

In addition, the stirring and fermentation main body 210 discharges condensed water generated during fermentation to the outside of the stirring and fermentation main body 210 to maintain the moisture content of the wet organic waste and the mixed composition during fermentation. Condensate discharge unit 218 ) And, the condensate receiver 215 discharged from the condensate discharge unit 218 is further configured.

The condensed water discharge unit 218 is configured on one surface of the upper end of the stirring and fermentation body 210 , and the receiving unit 212 and the external space are configured to communicate with each other so that the condensed water formed in the receiving unit 212 is discharged to the outside. configured to emit. In addition, the condensate receiver 215 is formed to extend from the outer side of the condensate discharge unit 218, and prevents the condensed water being discharged from contamination while in contact with the stirring and fermentation body 210, and is connected to the condensate discharge line to the condensate tank , or is configured to be transferred to the deodorization tower.

The mixed composition comprising the wet organic waste, the secondary mixture, and the microbial group input to the stirring and fermentation body 210 of the present invention configured as described above may be configured to be added in a ratio of 4:6 by weight, respectively, It is not limited thereto, and the input amount can be adjusted according to the components of the wet organic waste, but preferably, the organic matter contained in the fermented product after stirring and fermentation is in the range not exceeding 39% by weight in the total weight of the fermented product. When the fermented product that is configured to inject the mixed composition and is molded by the molding unit 500 to be described later is processed as a molding fuel, it is configured to be processed into a molded article having a low calorific value of 3,500 kcal or more.

On the other hand, the stirring and fermentation main body 210 of the present invention is further configured with a shaft driving support unit 220 supporting the stirring operation of the stirring screw 260 on both sides of the outside.

The shaft drive support 220 may be configured with a support bracket 222 coupled to both sides of the stirring and fermentation body 210 to support the rotational operation of the stirring screw 260 . At this time, the shaft driving support 220 may further include a rotation support member 224 to which both ends of the stirring screw 260 are rotatably coupled, and the rotation support member 224 is a conventional bearing and a bearing housing. can be done

In addition, the rotation support member 224 may be configured such that an air supply line 310 of the air supply unit 300 to be described later and one end of the stirring screw 260 are connected so that a certain amount of air can be supplied, preferably may be configured such that the central portion of the bearing housing is penetrated so that the air supply line 310 is connected to one end of the stirring screw 260 .

In addition, the open upper body cover 230 is detachably coupled to the stirring and fermentation main body 210 of the present invention, and the lower part is configured to be seated on the frame unit 240 .

The main body cover 230 seals the upper part of the receiving part 212 to prevent the wet organic waste and the mixed composition from leaking to the outside of the stirring and fermentation body 210 during stirring, and during fermentation, the internal temperature of the receiving part is kept constant. A cover door 232 that opens and closes the accommodating part 212 sealed with an upper surface so that the wet organic waste and the mixed composition are introduced, and the cover door 232 is A door rail 234 for guiding the opening and closing operation by sliding movement is configured.

In addition, in the present invention, the lower part of the stirring and fermentation main body 210 is seated, and the frame part 240 supporting the stirring and fermentation of the wet organic waste and the mixed composition is configured stably.

The frame part 240 is seated on the ground, and the base frame 242 on which the driving part 250 for driving the stirring screw 260 is mounted, and the upper part of the base frame 242 are spaced apart from each other by a predetermined interval and are stirred and fermented. It consists of a support frame 246 on which the main body 210 is mounted, and a support frame 244 that couples the support frame 246 to the base frame 242 .

Here, the air supply unit 300 is further mounted on the base frame 242 , and the support frame 244 and the support frame 246 are provided with an air hole 214 and air supply configured in the lower part of the stirring and fermentation body 210 . The line 310 is stably connected, and in order to prevent the coupling between the air supply line 310 and the air hole 214 from being separated by the pressure of the supplied air, the outer circumferential surface of the air supply line 310 has a clamp or the like. It is mounted by means of a coupling means.

In addition, in the frame portion 240 of the present invention, a vertical beam 248 is further configured in a vertical direction from the position where the cover door 232 is formed to support the lower portion of the stirring and fermentation body 210, so that the input It is configured to further improve the load bearing capacity of the wet organic waste and the mixed composition.

The driving unit 250 is mounted on the base frame 242, is connected to the other end of the stirring screw 260 and rotates the stirring screw 260, to control the stirring control device that controls the driving of the driving unit 250. A driving motor 252 for providing a predetermined rotational force in accordance with the driving motor 252, a driving pulley 254 connected to the rotation shaft of the driving motor 252 to transmit the rotational force provided from the driving motor 252, and a driving pulley 254 and It is connected and configured to include a driving housing 255 that transmits the rotational force transmitted from the driving pulley 254 to the rotational sprocket 266 configured at the other end of the stirring screw 260 .

Here, the driving housing 255 is configured with a transmission pulley 256 connected to the driving pulley 254 and a belt in the rear portion, and connected to the transmission pulley 256 and a gear, pulley, and sprocket by a mechanism such as a gear, pulley, sprocket, etc. The transmission sprocket 258 connected to the rotation sprocket 266 of the stirring screw 260 is configured by such a method.

The stirring screw 260 is configured inside the stirring and fermentation body 210, and is configured in front and rear of the stirring and fermentation body 210, respectively, and is configured to be spaced apart from each other by a predetermined interval to stir the wet organic waste and the mixed composition As a component, both ends pass through the stirring and fermentation body 210 to form a stirring shaft 262 rotatably coupled to the shaft driving support 220 and spirally formed along the circumferential surface of the stirring shaft 262 . and a stirring blade 264 that stirs the wet organic waste and the mixed composition when the stirring shaft 262 rotates, and is configured at the other end of the stirring shaft 262, and is connected to the delivery sprocket 258 of the driving unit 250 It is configured to include a rotating sprocket 266 that is.

These stirring screws 260 are configured to form a total of two in the present invention, and are mounted on the stirring and fermentation body 210 so that the distance between the shaft centers of the stirring shaft 262 is 500 mm or less, and the wet organic waste and mixed composition It is configured to prevent the occurrence of solidification of wet organic wastes and mixed compositions having different physical properties by allowing delicate stirring of the mixture.

At this time, of course, the distance between the shaft centers of the stirring shaft 262 may be fluidly formed according to the capacity of the stirring and fermentation body 210 .

In addition, the stirring blade 264 is spirally coupled to the stirring shaft 262 , and is configured so that contact does not occur between the two stirring shafts 262 . That is, the stirring blade 264 configured in the front, or the rear is configured so that the rear, or the stirring shaft 262 located in the front does not come into contact with each other.

In addition, the stirring blades 264 respectively configured in the front and rear are also configured not to contact each other, and the stirring blades 264 configured in the rear between the stirring blades 264 positioned in the front to cross each other are configured to be located.

Such agitating blade 264 is formed with an outer stirring protrusion 264a and an inner stirring protrusion 264b on the outer and inner circumferential surfaces, respectively, in order to further maximize the stirring efficiency of the wet organic waste and the mixed composition.

The outer and

inner stirring protrusions

264a and 264b are formed to protrude at a predetermined interval along the outer and inner peripheral surfaces of the stirring blade 264, and are configured to form a blade shape. It is configured to enable delicate agitation.

In addition, the stirring blade 264 combines the stirring blade 264 to the stirring shaft 262, and the stirring blade 264c forming the shape of a blade on both sides is further configured.

Here, the stirring blade 264c is configured to form a predetermined space between the stirring shaft 262 and the stirring blade 264, and is configured to be positioned at equal intervals along the circumferential surface of the stirring shaft 262.

Accordingly, the agitation is performed by the outer and

inner stirring projections

264a and 264b of the stirring blade 264 positioned in the front and rear respectively, and the space between the stirring shaft 262 and the inner circumferential surface of the stirring blade 264 is passed. By being configured to stir the wet organic waste and the mixed composition together, it is possible to further maximize the stirring efficiency of the wet organic waste and the mixed composition.

On the other hand, the stirring screw 260 of the present invention may be configured to receive air having a predetermined temperature from the air supply unit 300 and discharge it through the outer circumferential surface of the stirring shaft 262. It may be configured to prevent the wet organic waste and the mixed composition from adhering to the stirring shaft 262 and the stirring blade 264 or from being solidified while promoting the activity of the mixture.

To this end, the stirring screw 260 of the present invention is configured such that the stirring shaft 262 has the form of a hollow shaft forming a predetermined space therein, and a plurality of air discharge holes ( 267) is formed.

In addition, a connecting flange 265 for connection with the air supply line 310 is configured in the shaft connecting member configured on one side of the shaft connecting member coupled to both ends of the stirring shaft 262 , and the air supply line An air injection hole 268 for injecting air at a predetermined temperature supplied through the 310 into the inner space of the stirring shaft 262 is formed.

The opening/closing door 280 opens and closes the outlet 216 configured in the stirring and fermentation body 210 so that the wet organic waste and the fermented product in a state where the agitation and fermentation of the mixed composition are completed through the outlet 216, the transfer unit 400 As a component that discharges into the furnace, it is configured to open and close the outlet 216 by the opening/closing means 270, formed in the rear portion, and coupled with the opening/closing rod 275 of the opening/closing means 270 It is configured to include a door bracket 282 and a door transfer unit 284 that is configured on both sides and slides along the opening/closing rail 277 .

Here, the opening/closing means 270 is coupled to one side of the lower part of the stirring and fermentation body 210, and an opening/closing bracket 271 supporting the opening/closing operation of the opening/closing door 280, is coupled to the opening/closing bracket 271, and the cylinder An opening/closing cylinder 273 for sliding the opening/closing door 280 by operation, an opening/closing rod 275 coupled to the end of the opening/closing cylinder 273, and an opening/closing rod 275 connecting the opening/closing cylinder 273 and the opening/closing door 280; , is configured on both sides of the outlet 216 of the stirring and fermentation body 210, and includes an opening/closing rail 277 for guiding the opening/closing operation of the opening/closing door 280.

Here, the opening/closing rod 275 is configured to be rotatably coupled to the door bracket 282 configured in the rear portion of the opening/closing door 280, so that the opening/closing operation such as vibration or collision during sliding operation of the opening/closing door 280 The opening and closing door 280 is configured to be rotated by a predetermined angle in the up and down directions when an obstruction element is generated to perform sliding movement.

In the opening and closing door 280 and the opening and closing means 270 configured as described above, the opening and closing guide member ( 279) may be further configured.

Such agitation and fermentation unit 200 of the present invention may be configured to re-inject the fermented product after stirring and fermentation.

That is, part of the fermented product after the fermentation process is completed is transferred to the transfer unit 400 and configured to be processed into a molded product, and the remaining part is configured to be re-introduced into the stirring body 210, so that the wet organic waste, the mixed composition and It is configured to be re-stirred and fermented together, and in this case, when stirring and fermentation due to re-injection of the fermented material is in progress, the mixed composition is added a total of 7-10 times for 24-48 hours, but is added at regular intervals configured to do this.

The air supply unit 300 is mounted on the base frame 242 of the frame unit 240 and is connected to a connection flange configured at the lower part of the stirring and fermentation body 210 to supply a certain amount of air to the air hole 214 side. An air supply line connected to the air hole 214 by the air flange ( 310) and an air temperature control unit 320 for controlling the temperature of the air flowing into the air supply line 310.

At this time, the air supply unit 300 may consist of an air supply device such as a conventional compressor, and further configure an anion generator to supply negative ions together when air is supplied, and the air temperature controller 320 is an air supply unit ( 300) may be made of a hot air blower and a cold blower for applying heat to the air produced through.

In addition, the air supply unit 300 is configured such that the negative ions are supplied through the air supply line 310 together with the air generated by the built-in negative ion generator.

This air supply unit 300 causes the self-heating temperature due to aerobic fermentation to rise to 60 ° C. to 80 ° C. during fermentation of wet organic waste and the mixed composition, and then adjusts the temperature of the supplied air to 60 ° C. When reaching the completion point, the supply is configured to be made by cooling the temperature of the supplied air to a temperature of 25 ℃, and the moisture content of the fermented product is configured to achieve 40% or less.

In addition, the air supply line 310 may be configured to supply a certain amount of air to the side of the air injection hole 268 formed in the stirring screw 260 by being connected to the stirring screw 260 .

The transfer unit 400 may be formed of a conventional conveyor system, and a storage chamber 410 for storing the fermented product transferred by the conveyor system and a fermented product supply line 420 for supplying the stored fermentation mulle to the molding unit 500 . can be composed of At this time, it is preferable that the fermentation product supply line 420 further includes a fermentation product supply pump driven by the shaping control device so that a predetermined amount of the fermentation product can be supplied.

The molding unit 500 molds the fermented product stored in the storage chamber 410 into molded fuel such as eco-friendly compost of various shapes, or SRF, or BIO SRF, and the supply housing 510, the filling housing 520, the molding. It is configured to include a housing 530, first and second elevating members (540, 550).

The supply housing 510 is connected to the fermented product supply line 420 and is a component for supplying a predetermined amount of fermented product to the inside of the molding unit 500 , and the fermented product supplied through the center is formed through the filling housing 520 . ) and is configured to be filled by moving to the side.

The filling housing 520 is formed through the inside, the upper end is coupled to the lower portion of the supply housing 510 , and the lower end is coupled to the molded housing 530 so that the filling of the fermented material supplied through the supply housing 510 is made. It is a component that guides the lifting and lowering operation of the second elevating member 550 at the same time.

The molding housing 530 is coupled to the lower portion of the filling housing 520, and the fermented product filled through the filling housing 520 is configured to be formed by the lowering operation of the second elevating member 550, A molding mold 532 for molding the molding (compost, or molding fuel) into various shapes is detachably coupled to the lower end thereof.

The first elevating member 540 blocks the supply of the fermented product supplied through the fermented product supply line 420 by blocking the inner wall surface of the supply housing 510 during molding of the fermented product, and may be made of a normal cylinder member. The lower end thereof is formed to extend to the lower surface of the blocking flange and the blocking flange in close contact with the upper end of the supply housing 510, and is in close contact with the inner wall surface of the supply housing 510 when the first elevating member 540 is lowered. A blocking panel 542 is formed.

The first elevating member 540 is configured such that the lowering operation is made only to a position where the end of the blocking panel 542 comes into contact with the flange member formed on the upper portion of the filling housing 520 .

The second elevating member 550 is elevating and lowering operation together with the first elevating member 540, and while the lowering operation is made to the lower part of the molding housing 530, the fermented product is pressed to form the forming mold 532. through the fermented product to be formed.

The second elevating member 550 continuously lowers even after the lowering operation is performed at the same time as the first elevating member 540, and the lowering operation is performed until the lower end of the second elevating member 550 is in contact with the upper end of the mold 532. configured to be done.

The fermentation and processing apparatus of the wet organic waste of the present invention configured as described above can shorten the fermentation (fermentation) time by accelerating the activity of microorganisms during fermentation of the wet organic waste, and can be adjusted to a constant moisture content through the mixing unit 100. By allowing stirring and fermentation to take place in the state of being, the drying time can also be shortened, so that the treatment cost of wet organic waste can be treated with only 20% to 20% of the cost of conventional treatment, so the treatment of wet organic waste It is an invention that can dramatically reduce costs, and minimize harmful gases and odors generated during processing due to the beneficial effects of a plurality of additives.

The above description is merely illustrative of the technical spirit of the present invention, and various modifications and variations will be possible without departing from the essential characteristics of the present invention by those skilled in the art to which the present invention pertains. Therefore, the embodiments disclosed in the present invention are not intended to limit the technical spirit of the present invention, but to explain, and the scope of the technical spirit of the present invention is not limited by these embodiments. The protection scope of the present invention should be construed by the following claims, and all technical ideas within the equivalent range should be construed as being included in the scope of the present invention.

100: mixing unit 200: stirring and fermentation unit

210: stirring and fermentation body 220: shaft drive support

230: body cover 240: frame portion

250: driving unit 260: stirring screw

270: opening and closing means 280: opening and closing door

300: air supply 310: air supply line

320: air temperature control unit 400: transfer unit

410: storage chamber 420: fermented product transfer line

500: molded part 510: supply housing

520: filling housing 530: molded housing

540: first elevating member 550: second elevating member

Claims

a mixing unit for mixing the microbiome, biomass, and a plurality of additives, and allowing the water content of the mixed composition to be less than 40%;

The wet organic waste and the mixed composition are each supplied in a weight ratio of 4: 6, and the supplied mixed composition and the wet organic waste are stirred while supplying air and anions at a temperature of 25°C to 60°C for 24 hours to 48 hours. And a stirring and fermentation unit for producing a fermented product that is fermented so that the moisture content does not exceed 39% by weight based on the total weight;

a transfer unit configured to a lower portion of the stirring and fermenting unit, receiving the fermented product, and transporting and storing the fermented product; and

a molding unit connected to the conveying unit and processing the fermented product into compost, or compost with a low calorific value of 3,500 kcal or more, or SRF, or a molding fuel made of BIO SRF;

Fermentation and treatment apparatus of wet organic waste, characterized in that it comprises a.
According to claim 1,

The mixing unit,

15% by weight to 20% by weight of rice husk, 15% to 20% by weight of wood chips, 40% to 55% by weight of peat moss, 15% by weight to 20% by weight of sawdust, and

A primary mixture is prepared by mixing the primary additive consisting of montmorillonite in powder form having a particle size of 200 to 600 mesh and consisting of 60.20 CEC (cmol/kg),

The primary mixture and, in the total weight, SiO 2 70.0% by weight to 85.0% by weight, Al 2 O 3 10.0% by weight to 17.0% by weight, Fe 2 O 3 1.2% by weight to 2.6% by weight, Cu 1.5% by weight 3.7 wt%, Mn 1.0 wt% to 2.2 wt%, B 0.9 wt% to 2.0 wt%, CaO 0.2 wt% to 1.7 wt%, MgO 0.2 wt% to 0.8 wt% A secondary additive is mixed,

Fermentation and treatment apparatus for wet and organic waste, characterized in that the secondary additive is prepared by mixing 5% to 10% by weight of the secondary additive and 90% to 95% by weight of the primary mixture.
3. The method of claim 2,

The mixing unit,

In the range of 0.05 wt% to 0.1 wt% of the microorganism group with respect to 100 wt% of the secondary mixture to the stirring and fermentation part, or

Alternatively, the wet organic waste having a moisture content of 80% to 90% of the secondary mixture and the microbial group and the primary agitated material prepared after the primary stirring are added to the stirring and fermentation unit Fermentation of wet organic waste and processing units.
4. The method of claim 3,

The stirring and fermentation unit,

agitation and fermentation body configured to receive the mixed composition, or the primary agitated material and wet organic waste to perform agitation and fermentation;

A stirring shaft which is configured in front and rear of the inside of the stirring and fermentation body, both ends are coupled to the stirring and fermentation body, and spirally coupled along the circumferential surface of the stirring shaft to stir the wet organic waste and the mixed composition a stirring blade and a stirring screw comprising a transmission sprocket configured at the other end of the stirring shaft to rotate the stirring shaft;

a body cover detachably coupled to the upper portion of the stirring and fermentation body, and sealing the upper portion of the stirring and fermentation body;

a drive unit configured to a lower portion of the stirring and fermentation body and rotating the transfer sprocket;

an opening and closing door for opening and closing a lower surface of the stirring and fermentation body;

an opening and closing means coupled to a lower surface of the stirring and fermentation body and supporting the opening and closing operation of the opening and closing door;

an air supply unit configured to be connected to a lower portion of the stirring and fermenting unit and supplying air at a constant temperature to the inside of the stirring and fermenting unit;

Fermentation and treatment apparatus of wet organic waste, characterized in that it comprises a.
5. The method of claim 4,

In the stirring and fermentation body,

A cover coupling groove in which the main body cover is detachably coupled along the upper peripheral surface and prevents harmful gases and condensed water from being released during fermentation;

And a condensed water discharge unit for discharging the condensed water to the outside;

A plurality of air holes composed of a plurality of rows at positions opposite to each other at equal intervals on the bottom surface of the stirring and fermentation body, the diameter of which is 8 mm to 10 mm;

Both ends of the stirring screw are coupled, and a shaft driving support for supporting the rotational operation of the stirring screw

Fermentation and treatment apparatus of wet organic waste, characterized in that it further comprises.
5. The method of claim 4,

The stirring screw is

It is configured such that the distance between the center of the axis of the stirring shaft respectively configured in the front and rear of the stirring and fermentation body is 500 mm or less,

The stirring blade, the outer and inner stirring protrusions in the form of blades are formed on the outer peripheral surface and the inner peripheral surface, respectively, the stirring blade is coupled to the stirring shaft, and the stirring blade forming the shape of a blade on both sides is further configured,

The stirring blade is configured to form a predetermined space between the stirring shaft and the stirring blade, and is positioned at equal intervals along the circumferential surface of the stirring shaft.
7. The method of claim 6,

The stirring screw has

A connecting flange connected to the air supply unit and configured to supply air, an air injection hole communicating with the connecting flange and injecting the air into the inside of the stirring shaft, and a plurality of penetrations along the circumferential surface of the stirring screw It is formed, and an air discharge hole for discharging the air injected through the air injection hole is further configured.
According to claim 1,

The molding part,

a supply housing connected to the transfer unit and receiving a predetermined amount of fermented product from the transfer unit;

a filling housing configured in a lower portion of the supply housing and configured to be filled with the supplied fermented product;

a molding housing configured to be formed in a lower portion of the filling housing and configured to mold the filled fermented product;

a first elevating member configured on an upper portion of the supply housing and blocking the inner wall surface of the supply housing by a descending operation during molding of the fermented product; and

a second elevating member configured to perform a lowering operation together with the first elevating member and pressing the fermented product filled in the molding housing to form the fermented product into compost or molded fuel;

Fermentation and treatment apparatus of wet organic waste, characterized in that it comprises a.