WO2023101174A1 - Appareil de pulvérisation de déchets organiques - Google Patents

Appareil de pulvérisation de déchets organiques Download PDF

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Publication number
WO2023101174A1
WO2023101174A1 PCT/KR2022/014401 KR2022014401W WO2023101174A1 WO 2023101174 A1 WO2023101174 A1 WO 2023101174A1 KR 2022014401 W KR2022014401 W KR 2022014401W WO 2023101174 A1 WO2023101174 A1 WO 2023101174A1
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WO
WIPO (PCT)
Prior art keywords
crushing
organic waste
container
lower container
driving motor
Prior art date
Application number
PCT/KR2022/014401
Other languages
English (en)
Korean (ko)
Inventor
김중곤
정광화
이동준
박회만
Original Assignee
대한민국(농촌진흥청장)
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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Publication date
Application filed by 대한민국(농촌진흥청장) filed Critical 대한민국(농촌진흥청장)
Publication of WO2023101174A1 publication Critical patent/WO2023101174A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/16—Mills in which a fixed container houses stirring means tumbling the charge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/18—Details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/18—Details
    • B02C17/183—Feeding or discharging devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/18—Details
    • B02C17/24—Driving mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/18—Knives; Mountings thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/22—Feed or discharge means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/24—Drives

Definitions

  • the present invention relates to an organic waste crushing device.
  • organic waste is concentrated sludge, livestock manure, manure, food waste, food wastewater, food waste, etc., which contain organic materials as a main component, and have recently been changed from waste disposal to recyclable materials.
  • Organic waste is generated in the form of solids or slurries with a moisture content of 78 to 96%, and among the solids of the sludge, excluding water, organic substances are usually contained in a range of 50 to 95%, which increases the efficiency of digestion treatment for energy recovery. This is usually around 50%.
  • Conventional methods for recycling organic waste include methods such as feed conversion, composting, liquefaction, anaerobic digestion, and aerobic digestion.
  • the anaerobic digestion method was installed for the purpose of reducing sludge in sewage treatment plants, and is applied for the purpose of processing high-concentration organic matter such as livestock manure, food waste, and food wastewater and producing energy.
  • methods for treating livestock manure include composting, liquefied manure, purification treatment, anaerobic digestion, and the like, and in the case of anaerobic digestion, it was mainly applied to pig manure slurry.
  • the domestic application of the method of direct anaerobic digestion by selectively crushing and grinding solids such as Korean beef powder is not long, so there are not many technical achievements.
  • An object of the present invention is to provide an apparatus capable of finely pulverizing solids contained in organic waste.
  • the present invention is an upper container into which the material to be pulverized is injected therein;
  • a lower container whose upper end is rotatably installed at the lower end of the upper container;
  • a crushing member installed inside the upper container and the lower container; And it may include a rotating device for rotating the lower container and the crushing member.
  • the upper container includes a hopper portion into which a material to be pulverized is injected; And it is connected between the lower end of the hopper part and the upper end of the lower container may include a communication part in which the crushing member is disposed.
  • the present invention may further include a door having an open hole formed on one side of the communication unit, disposed in the opening hole, and hinged to the communication unit.
  • the lower vessel is connected to the lower end of the upper vessel, the crushing unit in communication with the upper vessel; and a discharge unit having an upper end connected to a lower end of the crushing unit and communicating with the crushing unit.
  • the crushing member is disposed inside the upper container, the top of which is rotatably installed in the rotating device, the stirring shaft;
  • a stirring member installed at the lower end of the stirring shaft and disposed inside the lower container; And it may include a plurality of grinding cutter blades formed on the outer circumferential surface of the stirring member.
  • a spiral blade may be formed on an outer circumferential surface of the stirring shaft along the longitudinal direction of the stirring shaft.
  • the crushing member may further include a rough cutter blade formed at the lower end of the stirring shaft along the circumference of the stirring shaft.
  • the crushing cutter blade is in the form of a triangular prism, and consists of a plurality of pieces that may protrude from the outer circumferential surface of the stirring member along the circumference of the stirring member.
  • the crushing cutter blade may be inclined by a certain angle and protrude from the outer circumferential surface of the stirring member.
  • the rotating device includes a first rotating device installed on the grinding member to rotate the grinding member; And it is installed on the lower container may include a second rotating device for rotating the lower container.
  • the first rotating device includes a first driving motor; A first main pulley installed on the first motor shaft of the first driving motor; A first driven pulley installed on top of the crushing member; And it may include a first belt installed on the first main pulley and the first driven pulley to transmit the rotational force of the first driving motor.
  • the second rotating device includes a second driving motor; A second main pulley installed on the second motor shaft of the second driving motor; A second driven pulley installed at the bottom of the lower container; and a second belt installed on the second main pulley and the second driven pulley to transmit the rotational force of the second driving motor.
  • the lower container and the crushing member may rotate in opposite directions or alternately rotate in forward and reverse directions.
  • the present invention may further include a pulverized material discharge line installed at the bottom of the lower container.
  • the present invention is a gas suction line, one end of which communicates with the pulverized product discharge line; And it may further include a vacuum pump installed at the other end of the gas suction line.
  • the present invention may further include a cylinder installed at the top of the crushing member along the longitudinal direction of the crushing member to move the crushing member up and down.
  • the organic waste crushing apparatus can reduce the particle size of organic waste introduced into an anaerobic digestion tank or other biological treatment devices, thereby increasing the rate of hydrolysis and biological degradation of organic matter.
  • cow manure or other livestock manure is used as a raw material for anaerobic digestion
  • the amount of manure returned to the soil in the form of compost can be reduced, which can induce a positive effect on nutrient management of soil and water systems.
  • FIG 1 and 2 are sequential block diagrams and conceptual diagrams of an organic waste crushing apparatus according to an embodiment of the present invention.
  • 3a and b are front and cross-sectional views of the communication unit shown in FIG. 2 sequentially.
  • FIG. 4 is a front view of the stirring shaft shown in FIG. 2;
  • FIG. 5 is an enlarged view of part 'A' shown in FIG. 2 .
  • FIG. 6 is an enlarged view of part 'B' shown in FIG. 2 .
  • FIG. 7 is a front view of a cylinder installed on the stirring shaft shown in FIG. 2;
  • FIG. 8a and b are conceptual views illustrating various examples of a heating device installed in the upper container shown in FIG. 2 .
  • the upper part of the “upper part” is a direction toward the upper container 110 side with respect to the lower container 120 shown in FIG.
  • the bottom of "lower” is defined as a direction toward the lower container 120 with respect to the upper container 110.
  • FIG 1 and 2 are sequential block diagrams and conceptual diagrams of an organic waste crushing apparatus according to an embodiment of the present invention.
  • the organic waste crushing device (100, hereinafter referred to as 'crushing device') has an upper container 110 into which a material to be pulverized is injected, and the upper end is at the lower end of the upper container 110. It may include a lower container 120 that is rotatably installed.
  • the crushing device 100 is a rotating device for rotating the crushing member 130 installed inside the upper container 110 and the lower container 120, the lower container 120 and the crushing member 130 ( 140) may be included.
  • the material to be pulverized may correspond to a liquid material having a high moisture content, such as livestock manure, agricultural by-products, or various organic wastes including food waste.
  • the pulverizing member 130 and the lower container 120 are rotated by the rotating device 140 to pulverize the solids contained in the material to be pulverized so that the particle size can be reduced.
  • the upper container 110 is manufactured using a known material having a certain rigidity such as iron or alloy steel, and may include a hopper part 111 into which a material to be pulverized is injected.
  • the upper container 110 is connected between the lower end of the hopper part 111 and the upper end of the lower container 120 and may include a communication part 112 in which the crushing member 130 is disposed. .
  • the hopper part 111 and the communication part 112 are integrally formed, or fixed to each other through a known fixing member (hereinafter referred to as a 'fixing member') such as a nail, bolt, piece, tie, or clamp, Alternatively, they may be mutually fixed by a welding method.
  • a 'fixing member' such as a nail, bolt, piece, tie, or clamp
  • 3a and b are front and cross-sectional views of the communication unit shown in FIG. 2 sequentially.
  • the communication part 112 has a cylindrical shape with open sides and an empty inside, and an open hole 112a is formed on one side of the communication part 112, and the grinding device 100 ) may further include a door 113 disposed in the opening 112a and hinged to the communication part 112 .
  • the administrator can open the door 113 to enter and exit the upper container 110, check the internal state of the upper container 110 and the lower container 120, or perform maintenance of equipment. can do.
  • the lower container 120 may be manufactured using the same material as the upper container 110, and the upper end is connected to the lower end of the upper container 110 to communicate with the upper container 110. ), the upper end is connected to the lower end of the crushing unit 121 and may include a discharge unit 122 communicating with the crushing unit 121.
  • the crushing part 121 is rotatably installed at the lower end of the communication part 112 via the bearing 10, and airtightness can be secured at the installation site through a sealing member such as an O-ring.
  • the discharge part 122 has a cylindrical shape with open sides and a hollow inside, and one end may pass through a lower surface of the crushing part 121 to communicate with the inside of the crushing part 121 .
  • the crushing part 121 and the discharge part 122 may be integrally formed, fixed to each other via the fixing member, or fixed to each other by welding.
  • FIG. 4 is a front view of the stirring shaft shown in FIG. 2;
  • the grinding member 130 may include a stirring shaft 131 disposed inside the upper container 110 and having an upper end rotatably installed in the rotating device 140 .
  • the grinding member 130 is installed at the lower end of the stirring shaft 131 and is disposed inside the lower container 120, a plurality of stirring members 132 formed on the outer circumferential surface of the stirring member 132 It may include a crushing cutter blade (133).
  • the grinding device 100 has a spiral blade 131a formed on the outer circumferential surface of the stirring shaft 131 along the longitudinal direction of the stirring shaft 131, and the material to be pulverized injected into the hopper part 111 is It may move downward along the spiral blade 131a and flow into the crushing part 121 .
  • the crushing member 130 is a rough cutter blade 134 formed at the lower end of the stirring shaft 131 along the circumference of the stirring shaft 131, and a die caster 135 installed at the lower end of the stirring shaft 131 ) may further include.
  • the material to be pulverized can be roughly pulverized while sequentially passing through the spiral blade 131a, the coarse corner blade, and the die caster 135.
  • FIG. 5 is an enlarged view of part 'A' shown in FIG. 2 .
  • the grinding unit 121 and the agitating member 132 are formed in the same shape, and for example, may be formed in a cylindrical shape having a comb-shaped cross section as shown in a cylindrical shape or FIG. 2 .
  • the grinding unit 121 and the agitating member 132 are formed with different volumes so that a gap d is formed between them, and the pulverized material flows toward the discharge unit 122 along the gap d.
  • the crushing cutter blade 133 has a triangular prism shape, and may be formed of a plurality of pieces protruding from the outer circumferential surface of the stirring member 132 or the inner circumferential surface of the crushing unit 121 along the circumference of the stirring member 132 .
  • the pulverizing cutter blade 133 is disposed in the gap d to pulverize the object to be pulverized.
  • the crushing cutter blade 133 is inclined at a predetermined angle and protrudes from the outer circumferential surface of the agitating member 132 or the inner circumferential surface of the crushing unit 121, thereby guiding the flow of the pulverized material to the discharge unit 122 and pulverizing it. It can speed up the recovery of water.
  • the rotating device 140 is installed on the first rotating device 140-1 installed on the crushing member 130 to rotate the crushing member 130, and installed on the lower container 120.
  • a second rotating device 140-2 for rotating the lower container 120 may be included.
  • the first rotating device 140-1 includes a first driving motor 141, a first driving pulley 142 installed on the first motor shaft 141a of the first driving motor 141, and the stirring shaft ( 131) may include a first driven pulley 143 installed at the upper end.
  • the first rotating device 140-1 is installed on the first main pulley 142 and the first driven pulley 143 to transmit the rotational force of the first driving motor 141 to the first belt 144 ) may be included.
  • the second rotation device 140-2 includes a second drive motor 145, a second main pulley 146 installed on the second motor shaft 145a of the second drive motor 145, and the discharge unit ( 122) may include a second driven pulley 147 installed on the outer circumferential surface.
  • the second rotating device 140-2 is installed on the second main pulley 146 and the second driven pulley 147 to transmit the rotational force of the second driving motor 145.
  • the second belt 148 may be included.
  • the rotational force of the first and second driving motors 141 and 145 is transmitted to the agitating shaft 131 and the discharge part 122 via the first and second belts 144 and 148, and the agitating member 132 and the lower portion
  • stirring and pulverization of the material to be pulverized may be performed.
  • the lower container 120 and the crushing member 130 rotate in opposite directions or rotate alternately in forward and reverse directions to increase the effect of stirring and pulverizing the material to be pulverized.
  • the first and second driven pulleys 143 and 147, the stirring shaft 131, and the discharge unit 122 may be fixed to each other via the fixing member, and the rotating device 140 may be connected to the upper container 110 and the lower portion.
  • the container 120 may be installed and supported via the fixing member in a structure such as a column or a housing disposed in the vicinity of the container 120 .
  • FIG. 6 is an enlarged view of part 'B' shown in FIG. 2 .
  • the grinding device 100 includes a pulverized material discharge line 20 installed at the lower end of the lower container 120, a gas suction line 30 having one end in communication with the pulverized material discharge line 20, and the gas suction line A vacuum pump 150 installed at the other end of (30) may be further included.
  • the gas suction line 30 and the pulverized product discharge line 20 are provided with an on-off valve 40 to selectively control the flow of pulverized product and gas.
  • An example of the on-off valve 40 is a solenoid valve can be used
  • the pulverized material discharge line 20 fixed to the discharge part 122 rotates in sync with the rotation of the discharge part 122, It may be separated or broken.
  • a protrusion 122a may be formed on an inner circumferential surface of the discharge portion 122 at a lower end of the discharge portion 122 along the circumference of the discharge portion 122 .
  • the upper end of the pulverized product discharge line 20 is coupled groove 21 into which the protrusion 122a is inserted into the outer circumferential surface of the pulverized product discharge line 20 along the circumference of the pulverized product discharge line 20 can be formed.
  • the discharge part 122 and the pulverized material discharge line 20 are fixed and communicated with each other, and the rotation of the discharge part 122 It may not be delivered to the pulverized material discharge line 20.
  • FIG. 7 is a front view of a cylinder installed on the stirring shaft shown in FIG. 2;
  • the grinding device 100 includes a cylinder 160 installed at an upper end of the agitation shaft 131 along the longitudinal direction of the agitation shaft 131 to move the agitation shaft 131 up and down. can include more.
  • the cylinder 160 may be used hydraulically or pneumatically, and the rod 161 of the cylinder 160 is extended or compressed to reciprocate the stirring shaft 131, so that the gap d is widened or It is narrowed so that the size of the grinding particles of the solids can be controlled.
  • the rod 161 may be fixed to the stirring shaft 131 via the fixing member or by welding.
  • FIG. 8a and b are conceptual views illustrating various examples of a heating device installed in the upper container shown in FIG. 2 .
  • the grinding device 100 may further include a temperature sensor 170 for measuring the internal temperature of the upper container 110 or the lower container 120 .
  • the grinding device 100 may further include a heating device 180 installed in the upper container 110 or the lower container 120 to heat the upper container 110 or the lower container 120. .
  • the grinding device 100 may further include a control device 190 that selectively controls driving of the heating device 180 by comparing the measured temperature of the temperature sensor 170 with a preset range.
  • thermoelectric element may be used as the heating device 180, and the thermoelectric element may be fixed to the outer circumferential surface of the upper container 110 or the lower container 120 via the fixing member. there is.
  • the heating device 180' may use a heating wire, and the heating wire may be fixed by surrounding the outer circumferential surface of the upper container 110 or the lower container 120 via the fixing member. there is.
  • the control device 190 applies a current to the heating device 180 to heat the upper container 110 or the lower container 120, thereby The internal temperature of the upper container 110 or the lower container 120 may be increased.
  • control device 190 can stop heating the upper container 110 or the lower container 120 by releasing the current applied to the heating device 180. there is.
  • the heating device 180 can heat the upper container 110 and the lower container 120 even when the external temperature is low, such as in winter, the inside of the upper container 110 and the lower container 120 Stirring and pulverization can be easily performed by preventing the material to be pulverized from being hardened.
  • the organic waste crushing device can reduce the particle size of organic waste introduced into an anaerobic digestion tank or other biological treatment devices, thereby increasing the rate of hydrolysis and biological degradation of organic matter.
  • cow manure or other livestock manure is used as a raw material for anaerobic digestion
  • the amount of manure returned to the soil in the form of compost can be reduced, which can induce a positive effect on nutrient management of soil and water systems.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

La présente invention concerne un appareil de pulvérisation de déchets organiques. La présente invention peut comprendre : un récipient supérieur dans lequel un objet à pulvériser est injecté ; un récipient inférieur ayant une extrémité supérieure installée rotative sur l'extrémité inférieure du récipient supérieur ; un élément de pulvérisation installé à l'intérieur du récipient supérieur et du récipient inférieur ; et un dispositif de rotation pour faire tourner le récipient inférieur et l'élément de pulvérisation.
PCT/KR2022/014401 2021-12-03 2022-09-27 Appareil de pulvérisation de déchets organiques WO2023101174A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2021-0171704 2021-12-03
KR1020210171704A KR102578066B1 (ko) 2021-12-03 2021-12-03 유기성폐기물분쇄장치

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WO2023101174A1 true WO2023101174A1 (fr) 2023-06-08

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KR102678089B1 (ko) * 2023-09-13 2024-06-24 최병수 폐스티로폼의 비닐테이프를 포함한 이물질 분리형 트윈 파쇄장치
KR102628864B1 (ko) 2023-10-12 2024-01-24 김정식 가축 부산물 분쇄장치

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KR930001204A (ko) * 1991-06-24 1993-01-16 이헌조 브이씨알의 멀티픽처를 이용한 비스탐색방법 및 장치
KR19990005612U (ko) * 1997-07-18 1999-02-18 박의석 음식물쓰레기 처리장치
KR100959179B1 (ko) * 2009-12-30 2010-05-24 미래엔진 주식회사 싱크대용 음식물 처리장치 및 그 제어방법
KR101879255B1 (ko) * 2016-03-10 2018-07-17 제임스 천 고 음식물쓰레기 처리장치
JP2018143926A (ja) * 2017-03-02 2018-09-20 壽幸 三好 有機物分解装置
KR101951277B1 (ko) * 2017-05-04 2019-02-22 주식회사 군장종합건설 유기성폐기물을 생물학적으로 처리하기 위한 장치

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KR101443009B1 (ko) * 2014-02-05 2014-09-24 윤용춘 음식물 쓰레기용 분쇄기

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR930001204A (ko) * 1991-06-24 1993-01-16 이헌조 브이씨알의 멀티픽처를 이용한 비스탐색방법 및 장치
KR19990005612U (ko) * 1997-07-18 1999-02-18 박의석 음식물쓰레기 처리장치
KR100959179B1 (ko) * 2009-12-30 2010-05-24 미래엔진 주식회사 싱크대용 음식물 처리장치 및 그 제어방법
KR101879255B1 (ko) * 2016-03-10 2018-07-17 제임스 천 고 음식물쓰레기 처리장치
JP2018143926A (ja) * 2017-03-02 2018-09-20 壽幸 三好 有機物分解装置
KR101951277B1 (ko) * 2017-05-04 2019-02-22 주식회사 군장종합건설 유기성폐기물을 생물학적으로 처리하기 위한 장치

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KR20230083571A (ko) 2023-06-12

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