WO2020004800A1 - 유기성 폐기물의 발효 처리장치 - Google Patents

유기성 폐기물의 발효 처리장치 Download PDF

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Publication number
WO2020004800A1
WO2020004800A1 PCT/KR2019/004913 KR2019004913W WO2020004800A1 WO 2020004800 A1 WO2020004800 A1 WO 2020004800A1 KR 2019004913 W KR2019004913 W KR 2019004913W WO 2020004800 A1 WO2020004800 A1 WO 2020004800A1
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WIPO (PCT)
Prior art keywords
unit
fermentation chamber
organic waste
fermentation
turning
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Application number
PCT/KR2019/004913
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English (en)
French (fr)
Korean (ko)
Inventor
차상화
강수미
Original Assignee
마이크로맥스 영농조합법인
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 마이크로맥스 영농조합법인 filed Critical 마이크로맥스 영농조합법인
Priority to CN201980043830.3A priority Critical patent/CN112714757A/zh
Publication of WO2020004800A1 publication Critical patent/WO2020004800A1/ko

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    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F3/00—Fertilisers from human or animal excrements, e.g. manure
    • C05F3/06—Apparatus for the manufacture
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
    • B01F27/71—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with propellers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
    • B01F35/32—Driving arrangements
    • B01F35/32005—Type of drive
    • B01F35/3204—Motor driven, i.e. by means of an electric or IC motor
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F9/00—Fertilisers from household or town refuse
    • C05F9/02—Apparatus for the manufacture
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse

Definitions

  • the present invention relates to a fermentation treatment apparatus for organic waste, and more particularly, organic waste such as livestock manure or food waste can be fermented with aerobic microorganisms to compost or reduce and extinguish organic waste,
  • the present invention relates to a fermentation processing apparatus that can easily control fermentation factors such as the number of times, temperature, blowing amount, moisture, and microbial amount.
  • Wastes can be classified into organic wastes and inorganic wastes in terms of their properties.
  • Organic wastes are animal and plant wastes. Such organic wastes come in a variety of types and sources. Organic wastes include food waste, sludge from sewage or wastewater treatment plants, waste from aquatic product processing plants, waste from agricultural or livestock processing plants, garbage from food or paper mills, slaughterhouses from slaughterhouses, and livestock manure.
  • the increase in organic waste is the biggest cause of environmental and water pollution.
  • livestock wastewater is composed of high concentrations of organic matter, and if discharged without separate treatment, the streams and lakes are contaminated.
  • large amounts of nitrogen and phosphorus cause eutrophication in the water system, making it impossible to use not only drinking water but also agricultural water.
  • Organic wastes are generally treated by landfill, incineration, fermentation, etc.
  • the landfill treatment method When incinerated, low calorific value and high moisture content result in incomplete combustion, and there are serious problems such as air pollution.
  • the landfill treatment method generates a large amount of leachate, contaminating groundwater and soil, causing bad smell due to decay, and shortening the life of the landfill.
  • Microbial fermentation can compost, reduce or extinguish organic waste.
  • Korean Patent Registration No. 10-0345275, 10-0433676 and Utility Model Registration No. 20-0188393 have been variously proposed. There is a bar.
  • Korean Patent Laid-Open Publication No. 10-2000-0036456 discloses an apparatus for manufacturing compost using manure of livestock.
  • the compost manufacturing apparatus is configured to stir livestock manure while moving a rotary stirrer, but because the stirrer rotates in only one direction, there is a problem that the compost moves only in one direction even if the stirrer moves back and forth.
  • the fermentation phase since the fermentation phase has an open structure, it is difficult to control fermentation factors such as temperature, blowing amount, moisture, and microbial amount.
  • the present invention has been made to improve the above problems, it is possible to freely switch the rotation direction of the stirrer in accordance with the moving direction of the stirrer, the control of fermentation factors such as stirring speed and frequency, temperature, blowing amount, moisture, microbial amount It is an object of the present invention to provide an easy fermentation treatment apparatus for organic waste.
  • Fermentation treatment apparatus for an organic waste of the present invention for achieving the above object is a fermentation chamber formed with an inlet on one side and the outlet on the other side; A guide rail installed longitudinally along the longitudinal direction of the fermentation chamber; A stirrer supported by the guide rail to stir the organic waste in the fermentation chamber; An air supply unit for injecting air into the fermentation chamber; And an exhaust unit for discharging the air inside the fermentation chamber to the outside, wherein the stirrer is provided with a traveling unit movable back and forth along the guide rail, and installed below the traveling unit to invert organic waste up and down.
  • a rotary part for transferring the motor in a predetermined direction a swing part installed on the traveling unit to enable the moving unit to move in a state of lifting the rotary part, and a rotary part installed to rotate the rotary part in a vertical direction; It is provided with the turning part which switches back and forth positions of a rotary part.
  • the rotary part has an upper support frame coupled to the turning part, the left and right installed on the support frame long and rotatably coupled to the support frame, and a plurality of stirring blades installed at regular intervals on the rotation shaft and And, the stirring motor is installed on the support frame, and has a first power transmission for connecting the stirring motor and the rotating shaft.
  • the turning part is rotatably supported by the swing part and has a turning shaft fixed to an upper portion of the support frame, a turning motor installed on the swing part, and the support frame is driven around the turning shaft when the turning motor is driven. And a second power transmission unit connecting the turning motor to the turning shaft so that the front and rear sides of the rotary part can be rotated.
  • the swing portion is rotatably coupled to the driving unit and supports a swing shaft supporting the turning shaft, a connecting bracket installed on the swing shaft, and a driving bracket installed on the traveling unit to push or pull the connecting bracket in the vertical direction. And an actuator for rotating.
  • the turning part further includes a rotational interruption part installed on the swing shaft to block or allow rotation of the support frame.
  • the exhaust unit is connected to the blower, the exhaust pipe is installed long along the longitudinal direction of the fermentation chamber, a plurality of hoods are installed at regular intervals of the fermentation chamber to flow the internal air of the fermentation chamber, branched from the exhaust pipe And a branch pipe connected to each of the hoods, and the exhaust pipe is formed so that its diameter decreases stepwise as it moves away from the blower.
  • the exhaust unit further includes a malodor removing unit for removing malodorous components in the air discharged from the inside of the fermentation chamber by the blower, the malodor removing unit is connected to the blower and the bent pipe formed with a passage through which air flows;
  • the first barrier plate is formed on the passage in a plurality of intervals and the lower portion is spaced apart from the inner surface of the curved tube in order to prevent the flow of air through the curved tube, and the flow of air passing through the passage
  • a plurality of second interruption plates formed on the passage at regular intervals and alternately disposed with the first interruption plate and spaced apart from an inner surface of the bend tube in order to obstruct; It is provided with a processing liquid supply means for supplying a contact between the air passing through the passage and the processing liquid.
  • the present invention enables the composting or reducing and extinction of organic wastes by fermenting organic wastes such as livestock manure or food waste using aerobic microorganisms.
  • the present invention can switch the rotary direction and at the same time it is possible to move in the state of lifting the rotary part, it is possible to freely adjust the stirring position, the stirring speed, the number of stirring, the moving direction of the organic waste.
  • the present invention is configured to be able to supply air, moisture, heat, microorganisms into the fermentation chamber, so it is very easy to control the fermentation factors such as temperature, blowing amount, moisture, microbial amount.
  • FIG. 1 is a side view of a fermentation processing apparatus according to an embodiment of the present invention
  • FIG. 2 is a cross-sectional view of a portion of FIG. 1;
  • FIG. 3 is a cross-sectional view of FIG. 1,
  • Figure 4 is a front view showing the stirrer applied to Figure 1,
  • FIG. 5 is a side view showing the operation of FIG.
  • 6 to 11 is a view schematically showing the operation of the stirrer applied to FIG.
  • FIG. 12 is a configuration diagram schematically showing the main parts of a fermentation processing apparatus according to another embodiment of the present invention.
  • Figure 13 is a schematic view showing the main part of the fermentation processing apparatus according to another embodiment of the present invention.
  • a fermentation apparatus for organic waste includes a fermentation chamber 1, a guide rail 9 installed inside the fermentation chamber 1, and a guide rail 9.
  • the agitator 10 supported by the agitator to stir the organic waste in the fermentation chamber 1, an exhaust unit 50 for discharging the air in the fermentation chamber 1 to the outside, and the air is injected into the fermentation chamber 1. It is provided with an air supply unit for.
  • the fermentation chamber 1 consists of a rectangular cylinder shape.
  • the fermentation chamber 1 is formed long before and after.
  • One side of the fermentation chamber 1 is formed with an inlet for injecting organic waste into the interior.
  • the other side of the fermentation chamber (1) is formed with a discharge port for the organic waste is fermented to discharge the treated compost.
  • the opening and closing doors may be installed at the inlet and outlet of the fermentation chamber 1, respectively.
  • the fermentation chamber 1 may be formed by attaching a panel to the outside of the skeleton after forming a skeleton with an iron beam.
  • the fermentation chamber 1 may be assembled by combining a plurality of unit booths 2, 3, 4, 5, and 6 back and forth so as to easily adjust the treatment capacity.
  • unit booths 2, 3, 4, 5, and 6 are combined back and forth to form one fermentation chamber 1.
  • the size of the fermentation chamber can be varied.
  • Each unit booth may be formed with a window to look inside.
  • Two guide rails 9 are installed side by side inside the fermentation chamber 1.
  • the guide rail 9 is installed long in the front and rear along the longitudinal direction of the fermentation chamber 1.
  • the guide rail 9 is coupled to an upper portion of the support bar 8 installed inside the fermentation chamber 1 such that the guide rail 9 is positioned at a constant height.
  • the stirrer is supported by the guide rail 9 to stir the organic waste inside the fermentation chamber 1 while reciprocating back and forth.
  • the stirrer applied to this invention is a rotary system.
  • This rotary type stirrer has the advantage that the stirring blade is rotated to flip the organic waste up and down and at the same time to transport the organic waste in a certain direction.
  • the illustrated stirrer 10 includes a traveling unit which is movable back and forth along the guide rail 9, a rotary unit installed below the traveling unit and transferring the organic waste in a predetermined direction while inverting the organic waste up and down, and a rotary unit. It is provided with a swing unit which is installed in the traveling unit to enable the movement of the traveling unit in the raised state to rotate the rotary part in the up and down direction, and a turning part installed in the swing part to switch the front and rear positions of the rotary part.
  • the traveling unit includes a moving frame 11, traveling wheels 13 and 14 installed on the lower left and right sides of the moving frame 11, a traveling motor 15 installed on the moving frame 11, and a traveling unit.
  • a power transmission unit for connecting the motor 15 and the traveling wheels 13 and 14 is provided.
  • the moving frame 11 is located above the guide rail 9.
  • the driving wheels 13 and 14 are respectively installed on the left and right sides of the moving frame 11.
  • the travel wheel may be divided into a left travel wheel 13 and a right travel wheel 14.
  • the driving motor 15 is installed above the moving frame 11.
  • a geared motor can be used as the traveling motor 15.
  • the power transmission unit is installed on the upper side of the moving frame 11 and has a drive shaft 17 formed to extend left and right, the first chain 19 connecting the drive shaft 17 and the driving motor 15, and one side of the drive shaft 17. And a second chain 21 connecting the left driving wheel 13 and a third chain 23 connecting the other side of the driving shaft 17 and the right driving wheel 14.
  • the drive shaft 17 connected to the first chain 19 rotates, and when the drive shaft 17 rotates, the left driving wheel is driven by the second chain 21 and the third chain 23. 13 and the right traveling wheel 14 rotate. Accordingly, the stirrer 10 moves along the guide rail 9. The stirrer 10 moves forward or backward depending on the rotational direction of the travel motor 15.
  • the rotary part is installed in the support frame 25, the left and right inside the support frame 25 to the left and the rotation shaft 27 is rotatably coupled to the support frame 25, and a plurality of installed at regular intervals on the rotation shaft 27
  • the stirring blades 29, the stirring motor 31 is installed on the support frame 25, and the first power transmission unit for connecting the stirring motor 31 and the rotating shaft (27).
  • the support frame 25 is located below the travel unit. Both left and right ends of the rotating shaft 27 are rotatably coupled to the support frame 25.
  • the rotating shaft 27 is provided with a plurality of stirring blades (29). At the end of the stirring blade 29 is provided with a tab portion 30 to increase the stirring efficiency.
  • the tab portion 30 is formed by inclining two square plates before and after the stirring blades 29.
  • the chain 33 can be used as the first power transmission unit.
  • the stirring motor 31 and the rotating shaft 27 are connected by a chain 33 so that the rotating shaft 27 is rotated by the operation of the stirring motor 31.
  • the turning part is rotatably supported by the swing part and has a turning shaft 35 fixed to the upper part of the support frame 25, a turning motor 37 installed on the swing part, and a driving motor 37 when the turning motor 37 is driven.
  • the frame 25 includes a second power transmission unit connecting the turning motor 37 and the turning shaft 35 so that the front and rear sides of the rotary part may be rotated about the turning shaft 35.
  • the turning shaft 35 is rotatably coupled to the swing shaft 40 of the swing portion, which will be described later.
  • the turning shaft 35 is installed vertically. Since the lower portion of the turning shaft 35 is fixed to the support frame 25, when the turning shaft 35 rotates, the support frame 25 also rotates.
  • the turning motor 37 is installed on the swing shaft 37.
  • the second power train consists of gears.
  • the second power transmission unit includes a drive gear 38 coupled to the turning motor 37, and a driven gear 39 coupled to the upper portion of the turning shaft 35 and engaged with the drive gear 38.
  • the turning motor 37 rotates the turning shaft 35 by 180 degrees. Therefore, when the turning motor 37 is operated, the support frame 25 connected to the turning shaft 35 is rotated, so that the entire rotary part is rotated 180 degrees so that the front and rear of the rotary part are reversed.
  • the rotation direction of the rotary shaft 27 of the rotary part can be freely changed.
  • the stirrer is moved forward while the rotary part is rotated in one direction, and when the reverse part is moved after the forward movement, the rotary part is rotated in the opposite direction and the stirrer is reversed.
  • 6 to 9 illustrate a process of rotating the rotary part after the stirrer starts at one side of the fermentation chamber and moves to the other side.
  • the rotation intermittent part is further provided to block the rotation of the rotary part and allow the rotation of the rotary part when the turning motor 37 operates.
  • the rotation control unit is installed on the swing shaft 40 to block or allow rotation of the support frame 25.
  • the rotation control unit includes, for example, a cylinder 50 installed on the swing shaft 40 and an insertion groove 51 formed in the support frame 25 to allow the end of the piston of the cylinder 50 to enter and exit.
  • the support frame 25 When the piston of the cylinder 50 is lowered and inserted into the insertion groove 51, the support frame 25 is fixed and cannot be rotated. When the piston is lifted and separated from the insertion groove 51, the support frame 25 is rotatable. It becomes a state.
  • the swing part is installed on the upper part of the rotary part.
  • the swing portion is rotatably coupled to the traveling unit, the swing shaft 40 supporting the turning shaft 35, the connecting bracket 41 installed on the swing shaft 40, and the connecting bracket 41 installed on the traveling unit.
  • Push or pull is provided with an actuator for rotating the swing shaft 40 in the vertical direction.
  • the swing shaft 40 is installed horizontally to the left and right.
  • the swing shaft 40 is installed above the support frame 25. Both ends of the swing shaft 40 are rotatably coupled to the lower portion of the moving frame 11.
  • the connecting brackets 41 are respectively installed on the left and right sides of the swing shaft 40.
  • the connection bracket 41 is installed to protrude in the rear direction of the swing shaft 40.
  • Actuators are installed on the left and right sides of the moving frame 11, respectively.
  • the cylinder 43 can be used as an actuator.
  • As the cylinder 43 a hydraulic cylinder can be used.
  • the moving frame 11 is provided with an oil tank 45 in which operating oil is stored, and an oil pump 47 for moving oil.
  • the piston end of the cylinder 43 is hinged to the connecting bracket 41.
  • the piston presses the connecting bracket 41 downward, and the swing shaft 40 rotates upward accordingly. Therefore, the rotary part rotates about the swing shaft 40 and the lower part of the rotary part is lifted up.
  • the swing shaft 40 rotates downward to return the rotary part to its original position.
  • the stirrer 10 may move along the guide rail 9 in a state in which the rotary unit 20 is lifted up as shown in FIG. 5. Therefore, the present invention is capable of traveling while stirring both forward and backward movements, as well as agitation only when moving in one direction, and when moving in the opposite direction, the rotary part 20 is lifted and moved in the opposite direction. It may not be stirred. Therefore, the organic waste inside the fermentation chamber can be moved in only one direction. 10 and 11 show an image of a process of moving the stirrer in a state of lifting the rotary part.
  • the exhaust part discharges the air inside the fermentation chamber 1 to the outside.
  • the air permeability of the fermentation chamber 1 is improved and moisture is adjusted.
  • the exhaust part is connected to the blower 60, the exhaust pipe 61, which is installed in the longitudinal direction of the fermentation chamber 1, and is connected to the blower 60, and the fermentation chamber 1 is installed at regular intervals so that the internal air of the fermentation chamber 1 Is provided with a plurality of hoods 63 into which are introduced, and branch pipes 65 branched from the exhaust pipe 61 and connected to the hoods 63, respectively.
  • the blower 60 is installed around one side of the fermentation chamber 1.
  • a blower may be installed around the fermentation chamber inlet.
  • the exhaust pipe 61 is installed above the fermentation chamber 1 and connected to the blower 60.
  • the exhaust pipe 61 is formed by branching pipes 65 at regular intervals. Each branch tube 65 is connected to the hood 63.
  • the hood 63 is installed on the ceiling of the fermentation chamber 1 at regular intervals. Air inside the fermentation chamber 1 is introduced into the exhaust pipe 61 through the hood 63.
  • Exhaust pipe 61 is preferably formed so that the diameter becomes smaller step by step away from the blower (60). This is to reduce the intake amount of air as it moves away from the inlet of the fermentation chamber (1).
  • the intake of the internal air is increased to promote the flow of air, and the vicinity of the fermentation chamber outlet, where the fermentation proceeds to a considerable extent, reduces the intake of the internal air to complete the flow of air.
  • the air supply unit injects air into the fermentation chamber 1.
  • the air supply unit includes an air pipe 73 embedded in the bottom of the fermentation chamber 1 and a blower (not shown) connected to the air pipe 73 to supply air into the air pipe 73.
  • the air pipe 73 is installed inside the rectangular drain pipe 70.
  • Drainage pipe 70 is installed at a constant interval on the bottom of the fermentation chamber (1).
  • a hole communicating with the drainage pipe 70 is formed in the bottom surface of the fermentation chamber 1 so that leachate or excess water generated during the fermentation process of the compost is discharged to the outside through the drainage pipe 70.
  • a circular air pipe 73 is installed inside the drain pipe 70.
  • the air pipe 73 is connected to a blower (not shown) so that air supplied from the blower may be introduced into the fermentation chamber 1 through the air pipe 73.
  • the heating means may be provided to prevent the bottom of the fermentation chamber is cooled by the cold coming from the ground in winter.
  • the heating means can prevent the activity of the microorganisms is reduced even in cold winter.
  • a heating means may include a boiler (not shown) and a hot water pipe 75 connected to the boiler and installed at the bottom of the fermentation chamber 1.
  • the hot water pipe 75 is zigzag on the bottom of the fermentation chamber. Hot water at 30 to 40 ° C. may be introduced into the hot water pipe and circulated through the hot water pipe 75.
  • Figure 12 may further include an ozone bubble water supply unit for supplying ozone bubble water into the fermentation chamber, and a microorganism and water supply unit for supplying microorganisms or water into the fermentation chamber.
  • an ozone bubble water supply unit for supplying ozone bubble water into the fermentation chamber
  • a microorganism and water supply unit for supplying microorganisms or water into the fermentation chamber.
  • the ozone bubble water supply unit includes a pump 82 connected to a water tank 80, a water tank 80, and a water supply pipe 81, an ozone generator 83, an ozone generator 83, and water.
  • the ozone injection pipe 84 connecting the supply pipe 81, the microbubble generator 86 connected to the pump 82 and the connection pipe 85, and the microbubble generator 86 are connected to the inside of the fermentation chamber 1.
  • a first nozzle 88 connected to the bubble water supply pipe 87 and installed inside the fermentation chamber 1.
  • Ozone injected into the water supply pipe 81 is mixed with water in the pump 82 and passes through the microbubble generator 86 to form fine bubbles.
  • the ozone bubble water in which the fine ozone bubbles are formed is properly sprayed into the fermentation chamber 1 through the first nozzle 88 as necessary. Ozone bubble water is effective for removing the odor generated in the fermentation chamber (1).
  • microbubble generator 86 a microbubble generator disclosed in Korean Patent No. 10-1863769 may be used.
  • microorganism and the water supply unit serves to control the amount of microorganisms or moisture.
  • the microorganism and the water supply unit are the microbial tank 90, the water tank 91 is stored, the microbial culture medium supply pipe 92 is connected to the microbial tank 90, and the water tank 91 is stored
  • the supply pipe 93, the microbial culture liquid supply pipe 92 and the water supply pipe 93 is connected to the connecting pipe 94, and the second nozzle (95) connected to the connecting pipe (94).
  • the first valve 96 is installed in the microbial culture liquid supply pipe 92, and the second valve 97 is installed in the water supply pipe 93.
  • the first valve 96 and the second valve 97 are selectively operated to spray the microbial culture liquid or water into the fermentation chamber 1 through the second nozzle 95.
  • Microbial culture is a culture of aerobic microorganisms in a medium, sprayed inside the fermentation chamber to decompose organic waste under aerobic conditions.
  • Suitable aerobic microorganisms of the present invention include Bacillus stearothermophilus , Speroterius Nautau , Bacillus subtilis , Rhodopsudomonas , Rhodospirillum , Rhodospirillum Bacillus sonorensis , Bacillus thermoamylovorans ( Bacillus thermoamylovorans ) may be used by using any one or a mixture of two or more.
  • the exhaust unit may further include a malodor removing unit.
  • the odor removing unit removes odor components in the air discharged from the inside of the fermentation chamber by a blower.
  • the odor removing unit is connected to the blower 60 and has a plurality of bent pipes 100 formed thereon with passages through which air flows, and a plurality of passages on the passages to hinder the flow of air passing through the bent pipes 100.
  • Flexure tube 100 is connected to the discharge port of the blower (60). Flexure tube 100 is made of a hollow structure provided with a passage therein. Flexure tube 100 may have a circular or rectangular cross section. Flexure tube 100 is bent in a zigzag can effectively increase the residence time of the air.
  • a first baffle plate 103 and a second baffle plate 107 are installed inside the bent pipe 100.
  • the first and second barrier plates 103 and 107 are installed on the passage to interrupt the flow of air passing through the passage to extend the residence time of the air, thereby increasing the contact time between the malodorous component in the air and the treatment liquid. Play a role.
  • the first interruption plate 103 is formed in a plurality at regular intervals on the passage.
  • the first baffle plate 103 is formed to protrude downward from the inner upper portion of the bent pipe 100.
  • the lower portion of the first baffle plate 103 is formed to be spaced apart from the inner surface of the bending tube 100 so that air can pass therethrough.
  • a plurality of second baffle plate 107 is formed on the passage at regular intervals.
  • the second baffle plate 107 is alternately arranged with the first baffle plate 103.
  • the second baffle plate 107 is formed to protrude upward from the inner lower portion of the bent pipe 100.
  • the upper portion of the second baffle plate 107 is formed to be spaced apart from the inner surface of the bending tube 100 so that air can pass.
  • a water flow hole is formed so that the processing liquid supplied into the bent pipe flows.
  • first baffle plate 103 and the second baffle plate 107 may be configured to vibrate to improve contact efficiency between air and the contact liquid.
  • a vibrator is installed on each of the first and second interference plates to vibrate the first and second interference plates.
  • the treatment liquid supply means supplies the treatment liquid into the bent pipe 100 to contact the treatment liquid with the air passing through the passage.
  • Water can be used as the treatment liquid.
  • acidic aqueous solution or alkaline aqueous solution can be used as a process liquid.
  • the illustrated treatment liquid supply means includes a storage tank 130 in which the treatment liquid is stored, a treatment liquid supply pipe 131 connected to the storage tank 130, and the treatment liquid is transferred, and a bending pipe connected to the treatment liquid supply pipe 131.
  • the treatment liquid injection unit for injecting the treatment liquid into the interior of the 100 and connects the bending tube 100 and the storage tank 130 so that the waste liquid discharged from the bending tube 100 can be introduced into the storage tank 130.
  • a waste liquid regeneration unit for decomposing odor components in the waste liquid introduced into the storage tank 130 through the waste liquid collection unit.
  • the treatment liquid supply pipe 131 is installed to supply the treatment liquid stored in the storage tank 130 into the bend tube 100.
  • the pump 133 is installed in the treatment liquid supply pipe 131 to transfer the treatment liquid.
  • the processing liquid supply pipe 131 is provided with a valve 135 that can open and close the pipeline.
  • the treatment liquid injection unit includes a spray nozzle 140 and an injection nozzle 145 connected to the treatment liquid supply pipe 131.
  • One or more spray nozzles 140 are installed.
  • one or two or more injection nozzles 145 are installed. When a plurality of spray nozzles 140 and spray nozzles 145 are installed, the spray nozzles 140 and the spray nozzles 145 are alternately arranged.
  • the spray nozzle 145 is positioned between the first baffle plate 103 and the second baffle plate 107.
  • the injection nozzle 150 is installed between the first barrier plate 103 and the second barrier plate 107 on which the spray nozzle 140 is not installed.
  • the spray nozzle 145 atomizes the treatment liquid and sprays the passage. Through the spray nozzle 145, the treatment liquid is atomized into a mist-like form and contacts the air. Therefore, the contact area of the processing liquid and air can be greatly enlarged.
  • the injection nozzle 150 injects the treatment liquid into the passage in the form of a stream of water. Since the spray nozzle 140 and the spray nozzle 145 are alternately arranged as described above, the air is first contacted with the atomized treatment liquid, and then the second contact with the treatment liquid sprayed in the form of water stream is repeated. Can increase the elimination effect.
  • the treatment liquid in which the malodorous component is dissolved moves along the bottom of the passage.
  • the treatment liquid in which the malodorous component is dissolved in contact with air is the waste liquid. This waste liquid is recovered by the waste liquid collection unit.
  • the waste liquid recovery unit connects the bending tube 100 and the storage tank 130 to recover the waste liquid discharged from the bone curved tube 100 and flows into the storage tank 130.
  • the waste liquid recovery unit is installed in the bending tube 100 and includes a drip tray 150 for collecting the waste liquid generated from the bone curved tube 100 and a waste liquid discharge tube 155.
  • the waste liquid discharge pipe 155 connects the drip tray 150 and the storage tank 130.
  • the waste liquid regeneration unit is provided with a first circulation pipe (160) connected to the storage tank (130), a transfer pump (165) installed in the first circulation pipe (160) for transporting a mixed liquid mixed with a treatment liquid and a waste liquid, and a first In the microbubble generator (200) and the microbubble generator (200) connected to the ozone supply unit (170) for injecting ozone into the circulation pipe (160), the ozone bubble is generated in the mixed solution by connecting to the first circulation pipe (160).
  • the second circulation pipe 163 is connected to the microbubble generator 200 and the storage tank 130 so that the discharged mixed liquid may be introduced into the storage tank 130.
  • the first circulation pipe 160 connects the storage tank 130 and the microbubble generator 200.
  • the first circulation pipe 160 is provided with a transfer pump 165.
  • the mixed liquid is introduced into the microbubble generator 200 by the transfer pump 165.
  • the first circulation pipe 160 is provided with a valve 167 that can open and close the pipeline.
  • the second circulation pipe 163 connects the microbubble generator 200 and the storage tank 130.
  • the mixed liquid in which fine ozone bubbles are generated while passing through the microbubble generator 200 is introduced into the storage tank 130 again through the second circulation pipe 163.
  • the mixed liquid stored in the storage tank 130 as described above has a structure that continuously circulates through the first circulation tube 160, the microbubble generator 200, the second circulation tube 163, and the storage tank 130.
  • the ozone supply unit 170 injects ozone into the first circulation tube 160.
  • the ozone supply unit 170 includes an ozone injection pipe 173 connected to the first circulation pipe 160 and an ozone generator 171 connected to the ozone injection pipe 173 to supply ozone.
  • the ozone generator 171 injects ozone into the first circulation pipe 160 through the ozone injection pipe 173. Ozone introduced into the first circulation pipe 160 serves to oxidize and decompose odor components in the mixed solution by contacting the mixed solution.
  • the mixed solution in which ozone is mixed is mixed in a finely broken state while passing through the impeller of the transfer pump 165 and introduced into the microbubble generator 200.
  • the microbubble generator 200 the microbubble generator disclosed in Korean Patent Registration No. 10-1863769 may be used.
  • the microbubble generator 200 is connected to the first circulation pipe 160 and serves to generate fine ozone bubbles in the mixed solution.
  • the ozone bubbles generated in the microbubble generator 200 have a micrometer or nanometer size.
  • the microbubble generator 200 can control the size of the bubble to the micrometer or nanometer level and at the same time the generated bubbles can be stably present in the liquid phase for a long time.
  • organic wastes such as livestock manure or food waste
  • the present invention can reduce or eliminate the organic waste using microorganisms can replace the conventional method of treating organic waste.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Processing Of Solid Wastes (AREA)
  • Fertilizers (AREA)
  • Treatment Of Sludge (AREA)
PCT/KR2019/004913 2018-06-28 2019-04-23 유기성 폐기물의 발효 처리장치 WO2020004800A1 (ko)

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