WO2020259115A1 - Dispositif et procédé de traitement d'ordures ménagères - Google Patents

Dispositif et procédé de traitement d'ordures ménagères Download PDF

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Publication number
WO2020259115A1
WO2020259115A1 PCT/CN2020/090109 CN2020090109W WO2020259115A1 WO 2020259115 A1 WO2020259115 A1 WO 2020259115A1 CN 2020090109 W CN2020090109 W CN 2020090109W WO 2020259115 A1 WO2020259115 A1 WO 2020259115A1
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WO
WIPO (PCT)
Prior art keywords
crushing
garbage
unit
domestic waste
domestic
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PCT/CN2020/090109
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English (en)
Chinese (zh)
Inventor
王耀文
Original Assignee
青岛海鲸环境科技有限公司
王耀文
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Publication date
Application filed by 青岛海鲸环境科技有限公司, 王耀文 filed Critical 青岛海鲸环境科技有限公司
Publication of WO2020259115A1 publication Critical patent/WO2020259115A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
    • 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

Definitions

  • the present invention relates to the technical field of domestic waste treatment, in particular to a domestic waste treatment device and method.
  • domestic waste is considered to be the second largest pollution source in cities after domestic sewage due to its high pollution index. Realizing the recycling of domestic waste can effectively reduce the amount of urban domestic waste, improve the sanitary environment of the city, and prevent the occurrence of diseases.
  • Domestic waste refers to the leftovers of food from catering industries such as villages, communities, restaurants, hotels, and public canteens such as families, enterprises, institutions, and schools.
  • catering industries such as villages, communities, restaurants, hotels, and public canteens such as families, enterprises, institutions, and schools.
  • packaging bags, waste clothes, broken tableware, broken glass, bricks, plastic pieces, packaging boxes, wood chips, etc. the discards generated in the life process are generally divided into recyclable household garbage, kitchen waste household garbage, hazardous household garbage, and others Domestic garbage, etc.
  • Recyclable household waste mainly includes paper, plastic, glass, metal, etc., of which paper mainly includes newspapers, periodicals, books, various packaging papers, office paper, advertising paper, paper boxes, etc.; plastics mainly include various Plastic bags, plastic packaging, disposable plastic lunch boxes and tableware, toothbrushes, cups, mineral water bottles, etc.; glass mainly includes various glass bottles, broken glass pieces, mirrors, light bulbs, thermos bottles, etc.; metal objects mainly include cans, cans , Toothpaste skins, etc.; fabrics mainly include discarded clothes, tablecloths, face towels, school bags, shoes, etc.
  • Kitchen waste includes food wastes such as leftovers, bones, vegetable roots and leaves.
  • Hazardous domestic waste refers to domestic waste that may cause harm or potential harm to the environment without proper disposal.
  • High organic matter content rich in starch, protein, meat, oil, etc.
  • High water content As a leftover material in a meal, the water content of slick feet is about 70%.
  • High oil and salt content Due to my country's dietary habits, compared with foreign food and household waste, my country's food and household waste (including swill) has a higher output and also has a higher oil and salt content.
  • Hazardous domestic garbage is very easy to deteriorate, rot, decompose organic matter, breed mosquitoes and flies, spread diseases, produce a lot of toxins and emit odorous gases, and pollute water and the atmosphere.
  • the current community and domestic waste resource treatment equipment is in a blank state.
  • the present invention proposes a domestic waste treatment device and method that can decompose the biodegradable materials in domestic waste into biodegradable and non-decomposable materials in a short time, so as to effectively live life Garbage is processed quickly and facilitates further sorting.
  • a domestic waste processing device for processing domestic waste includes: a feed bin, and a central processing unit connected to the feed bin, which can supply the feed bin or the central processing unit to accelerate the decomposition of organic matter
  • the bacteria supply unit of the bacteria species, and the garbage crushing unit connected with the feed bin are connected with the feed bin.
  • the domestic garbage treatment device of the present invention mixes the bacteria with the broken domestic garbage by supplying the bacteria supply unit to the central processing unit or the feed bin, or mixes the bacteria with the domestic garbage and then crushes them to make life
  • the garbage fully reacts with the bacteria, and the organic matter is decomposed in the central processing unit, and the domestic garbage is decomposed into organic fertilizer through the biochemical reaction, and the non-decomposable domestic garbage is still in its original state, which is beneficial to the next effective sorting.
  • the bacteria supply unit includes a spray head provided on one side of the feed bin, a spray pump connected with the spray head, and a bacteria supply unit connected with the spray pump box.
  • the garbage crushing unit includes a crushing piece arranged in the crushing bin, a pressing plate arranged on a side of the crushing piece close to the feeding bin, and The holding plate is connected to a first driving part that drives the holding plate to move to the crushing part.
  • a crushing piece arranged in the crushing bin
  • a pressing plate arranged on a side of the crushing piece close to the feeding bin
  • the holding plate is connected to a first driving part that drives the holding plate to move to the crushing part.
  • the pressing plate can press the above-mentioned domestic garbage onto the broken pieces or directly squash, thereby quickly and effectively Break up household garbage.
  • a pusher plate on one side of the crushing bin and arranged on the opposite side of the crushing bin is connected to the pusher plate to drive the pusher plate to approach the
  • the second driving member that moves in the direction of the discharge port, the pushing plate is arranged on the side of the crushing member close to the feeding bin.
  • it also includes a screen connected to the discharge end of the central processing unit.
  • the domestic waste discharged from the central processing unit is decomposed and decomposed into organic fertilizer.
  • the screen can screen the decomposed domestic waste, and the organic fertilizer falls through the sieve holes of the screen.
  • the remaining undecomposed domestic garbage remains in the screen and moves according to the preset moving path.
  • the screen is cylindrical or conical, and further comprises a third driving member connected with the screen to drive the rotation of the screen.
  • the screen is set in a cylindrical or conical shape, and is rotated by the third driving member, so that some organic fertilizers that are bonded together can be broken into small particles during rolling or collision So that the organic fertilizer can pass through the sieve holes of the screen to ensure the sorting effect of organic fertilizer.
  • a magnetic separation unit capable of screening magnetic materials is further included, and the magnetic separation unit is arranged at an end of the screen away from the central processing unit.
  • the remaining non-decomposable materials some of which are magnetic household garbage, such as iron nuggets, iron, etc.
  • magnetic household garbage such as iron nuggets, iron, etc.
  • the magnetic separation unit can be effectively used.
  • the magnetic material in the non-decomposable domestic garbage is sorted out, so as to effectively carry out the next step of sorting.
  • it also includes a material guide plate arranged between the magnetic separation unit and the screen, and a fourth driving member connected with the material guide plate to drive the material guide plate to vibrate, So that the material on the guide plate vibrates and moves in a direction away from the screen.
  • non-decomposable materials are divided into non-decomposable light materials and non-decomposable heavy materials according to their weight.
  • non-decomposable light materials are mostly combustible domestic waste
  • non-decomposable heavy materials are mostly stones, bricks, etc.
  • the distance and speed of the non-decomposable light material and the non-decomposable heavy material in each vibration of the guide plate are different, so that the non-decomposable domestic waste can be removed. Sort again.
  • the present invention further includes an air supply unit arranged below the guide plate, and the air supply unit can provide a preset flow of air flow to the end of the guide plate away from the screen.
  • the non-decomposable light material wrapped around the non-decomposable heavy material is separated by the vibration of the guide plate, and the non-decomposable light material and the non-decomposable heavy material are initially separated, and a supply is set below it.
  • the wind unit blows the non-decomposable light material into the preset container, and the non-decomposable heavy object is basically not affected by the airflow and moves according to the original path, so that the above two can be effectively sorted.
  • a domestic waste treatment method based on the domestic waste treatment device as described in any one of the above, includes the following steps: mixing domestic waste with bacteria that can accelerate the decomposition of organic matter, crushing the domestic waste into it, and performing organic matter decomposition treatment .
  • the domestic garbage treatment method of the present invention sprays the bacteria in the domestic garbage, breaks the domestic garbage and decomposes the organic matter, and decomposes the domestic garbage into organic fertilizer through the biochemical reaction, and the non-decomposable domestic garbage is
  • the original state is conducive to the effective sorting in the next step, and at the same time, the domestic waste becomes a resource that can be directly used.
  • the present invention also includes the following steps: screening the organic fertilizer produced after the decomposition of organic matter through sieving, and then selecting the part that cannot be decomposed by organic matter into non-decomposable light material and non-decomposable heavy material, and The non-decomposable heavy materials are further sorted into magnetic materials and other heavy objects through a magnetic separation device.
  • the domestic waste after the decomposition of organic matter is sorted according to the preset classification.
  • the organic fertilizer can be used directly, and the non-decomposable heavy objects are mostly stones or bricks, which can be directly used for house construction and other purposes.
  • Light objects are mostly combustible materials, which can be used for burning power generation or household use.
  • Magnetic materials are mostly iron, iron, etc., which can be directly recycled.
  • the above scheme separates the materials after treatment of domestic garbage according to different purposes and can be directly processed The next step of resource utilization.
  • FIG. 1 is a schematic structural diagram of Embodiment 1 of the domestic garbage treatment device of the present invention.
  • Embodiment 2 is a schematic structural diagram of Embodiment 2 of the domestic garbage treatment device of the present invention.
  • FIG. 3 is a schematic structural diagram of the garbage crushing unit of the domestic garbage treatment device of the present invention.
  • FIG. 4 is a schematic diagram of the structure of the guide unit of the domestic garbage treatment device of the present invention.
  • the present invention proposes a domestic waste treatment device for processing domestic waste, including a domestic waste lifting unit 9, a feed bin 1, a bacteria supply unit 3, a waste crushing unit 4, and an organic fertilizer screening unit 5.
  • the domestic garbage After the domestic garbage is processed by the above unit, it can be decomposed and sorted into organic fertilizer and magnetic substances , Non-decomposable light materials and non-decomposable heavy materials, and sorted or packaged according to their respective uses, so that they can be reused as resources.
  • the domestic garbage can is first lifted to the feeding bin 1 by the domestic waste lifting unit 9 and the domestic waste is poured into the feeding bin 1, where the domestic waste lifting unit 9 includes
  • the components in the form of clamping connection corresponding to the household trash can are lifted by hydraulic cylinders and chains, and forms such as electric cylinders, motors and chains can also be used, which can be selected according to needs.
  • the feed bin 1 is connected to the domestic waste lifting unit 9 to receive domestic waste transported by the domestic waste lifting unit 9.
  • the feed bin 1 is funnel-shaped to facilitate receiving and guiding the domestic waste to The default is missing.
  • the bacteria supply unit 3 is arranged above or on one side of the feed bin 1, and is used for spraying strains into the feed bin 1, and the bacteria supply unit 3 includes: The upper spray head 31, the spray pump 32 connected to the spray head 31, the bacteria supply tank 33 connected to the spray pump 32, the water tank 34 and the cleaning pump 35, the spray head 31 is a plurality, which are evenly spaced above the feed bin 1.
  • the spray pump 32 is activated to pass the bacteria in the bacteria supply box 33
  • the spray head 31 is sprayed into the domestic garbage, and the spraying method can effectively control dust and deodorize.
  • the garbage crushing unit 4 is connected to the feed bin 1.
  • the domestic garbage mixed with bacterial species in the feed bin 1 enters the garbage crushing unit 4 from the feed bin 1.
  • the garbage crushing unit 4 includes:
  • the crushing bin 41 is located below the feed bin 1 and has a certain accommodating space for receiving and temporarily storing domestic garbage.
  • the side of the crushing bin 41 is provided with a discharge port 411, the discharge port 411 Connected with a preset discharge channel, a collection funnel connected to the central processing unit 2 is provided under the discharge port 411, and the collection funnel is connected to a conveyor.
  • the discharge port 411 cannot be crushed.
  • the garbage enters the central processing unit 2 from the collection funnel.
  • the crushing part 42 is arranged under the crushing bin 41 to crush the domestic garbage in the crushing bin 41.
  • the crushing part 42 is preferably a crusher commonly used in the market, and a suitable passing size can be selected;
  • the pressing plate 43 is arranged above the crushing bin 41 and is connected to the first driving member 44.
  • the crushing part 42 is idling, and materials such as glass bottles, tree branches or quilts cause the domestic garbage to fail to be broken normally.
  • the first driving part 44 drives the pressing plate 43 to press down, and the crushing chamber 41 The domestic garbage is pressed on the crushing member 42 so that the domestic garbage can be quickly broken.
  • the first driving member 44 includes a hydraulic cylinder 441, a driving rod 442 hinged to one end of the hydraulic cylinder 441, a support member 443 hinged to one end of the driving rod 442, and the driving rod 442 It is arranged vertically similar to the support 443, the hydraulic cylinder 441 and the driving rod 442 are arranged at an angle as shown in FIG. 2, and the pressing plate 43 is arranged at the other end of the driving rod 442, so The hydraulic cylinder 441 drives the driving rod 442 to rotate around the hinge point, so that the driving rod 442 drives the pressing plate 43 to move into the crushing chamber 41.
  • the above-mentioned structure arrangement can make the pressing plate 43 and the The first driving member 44 is arranged obliquely above the crushing bin 41, which is not easy to affect the entry of domestic garbage.
  • the hydraulic cylinder 441 may also use a manner such as a pneumatic cylinder, an electric cylinder or a motor gear to drive the driving rod 442 to move.
  • first driving member 44 here may also adopt other forms, such as a hydraulic cylinder directly arranged above the crushing bin 41, or it may be arranged on the side of the crushing bin 41 with corresponding
  • the switchable panel and driving device can be set according to needs.
  • the pusher plate 45 is arranged longitudinally and is connected to the second driving member 46.
  • the second driving member 46 is arranged in the limiting groove 47 to guide and restrict the movement of the material pusher 45 Track, the limiting groove 47 is provided between the crushing bin 41 and the crushing member 42, and the limiting slot 47 is provided with a corresponding through hole in the radial direction of the crushing bin 41 to facilitate
  • the size of the pushing plate 45 is adapted to the size of the limiting groove 47, so that the pushing plate 45 can only move along the limiting groove 47, and the second driving member 46 Electric cylinders, air cylinders, hydraulic cylinders, etc. can be selected.
  • the second driving part 46 can also be electrically connected to the crushing part 42. When it is detected that the crushing part 42 is stuck or overloaded, the second driving Piece 46 starts.
  • a horizontally placed baffle is provided above the pushing plate 45, and the length of the baffle is the same as or slightly larger than the length of the bottom of the crushing bin 41.
  • the plate is connected with the second driving member 46. When the second driving member 46 pushes the pushing plate 45, the baffle moves along with it, thereby sealing the bottom of the crushing bin 41 to prevent garbage from falling Between the pushing plate 45 and the second driving member 46.
  • the central processing unit 2 is connected to the garbage crushing unit 4, receives the domestic garbage crushed by the garbage crushing unit 4, and performs organic matter decomposition treatment.
  • the central processing unit 2 mainly includes an organic matter decomposition drum and a sealing element , Base, support element, sensor, electronic control element 21, transmission element, heating element, driving element, feed port, discharge element, shell, etc.
  • the sealing element is used to seal the organic matter decomposition drum and provide an external connection port, It is used to connect the inlet and outlet components, etc. It is composed of a front sealing cover and a rear sealing cover.
  • the organic matter decomposition drum provides a place and an environment for the completion of the biochemical reaction of the domestic waste.
  • the front end of the organic matter decomposition drum is movably connected with the front sealing cover, and the rear end is movably connected with the rear sealing cover.
  • the machine base is used to fix the entire processing element, and is mainly used to fix the transmission element, the driving element, the organic matter decomposition drum, the front and rear sealing cover, the electric control element 21, the housing, etc.
  • the sensor is used to detect important physical quantities of the entire element, and includes at least one or more of position sensors, temperature sensors, humidity sensors, oxygen content sensors, and PH meters of various materials.
  • the electronic control element 21 is the main integrated control system, which is used to complete the intelligent control of the central processing unit 2 and mainly complete the functions of controlling the rotation of the drum, temperature and humidity control, sensor data reading, and biochemical process control.
  • the transmission element mainly completes the conversion of various electrical signals and mechanical actions, and converts various instructions of the electronic control system into various mechanical actions driven by the driving element, including the positive and negative rotation and stop of the organic matter decomposition drum, and the start and close of the heating element Wait for action.
  • the transmission element can be provided with a stop element.
  • the heating element mainly completes the heating function, providing temperature and humidity conditions for the biochemical reaction of the organic matter decomposition of the domestic garbage in the drum.
  • the heating element is preferably an oxygen supply heating element, such as a combination of a blower and a hot air blower, etc. To catalyze the biochemical reaction of biochemical decomposition products.
  • the outer shell is installed outside the central processing unit 2 for installing various components of the central processing unit 2.
  • this embodiment also includes a dehydration conveying unit 110, which is provided between the central processing unit 2 and the crushing unit 4.
  • the dehydration conveying unit 110 includes a dehydration conveying member 1101, a water receiving tray 1102, and The sewage pipe 1103, the dehydration conveying member 1101 is used to dehydrate and transport domestic garbage, and the sewage is discharged through the water receiving tray 1102 and the sewage pipe 1103.
  • the organic fertilizer screening unit 5 is connected to the central processing unit 2 and is used for sorting out the organic fertilizer explained by the decomposition of organic matter in the central processing unit 2.
  • the organic fertilizer screening unit 5 includes a screen 51, and a third driving member 52 connected to the screen 51, the screen 51 is cylindrical or conical, and the third driving member 52 drives the screen
  • the net 51 rotates to shake the organic fertilizer decomposed in the central processing unit 2 and drop it from the sieve holes of the screen 51 into the first receiving opening 51, and the third drive member 52 It is preferable to use a motor, and the speed is easy to control.
  • the screen 51 and the third driving member 52 here also take the form of a vibrating screen.
  • the magnetic separation unit 6 is arranged between the organic fertilizer screening unit 5 and the magnetic separation unit 6. After the organic fertilizer is sorted, the remaining substances basically include non-decomposable light materials, non-decomposable heavy materials and It is composed of magnetic materials, and the magnetic materials are mostly iron nails or iron blocks. After being screened by the magnetic separation unit 6, it can be further utilized.
  • the magnetic separation unit 6 is preferably a magnetic separator.
  • the guide unit 7 is arranged behind the screen 51 and includes a guide plate 71 and a fourth driving member 72.
  • the fourth driving member 72 is used to drive the guide plate 71 to vibrate so that the guide
  • the material on the plate 71 moves away from the screen 51, and due to the different density of light material and heavy material, when it vibrates on the guide plate 71, its moving speed and displacement are also different .
  • the air supply unit 8 is arranged below the guide plate 71 and supplies air in the direction of the limit net 120, and the limit net 120 is arranged on the guide plate 71 away from the screen 51, at the end of the guide plate 71, the light material is blown into the limit net 120 due to vibration and airflow, while the heavy objects and magnetic materials will be
  • the end of the guide plate 71 falls, and under the action of the magnetic separation unit 6, the magnetic substance is selected to the corresponding receiving port, and the heavy object enters the second receiving port 73, and the light material passes through the After the limit net 120 is bound by the binding unit 100, it is
  • the guide plate 71 is composed of a guide plate body 711 and an extension bar 712, and the extension bar 712 is provided on a side of the guide plate body 711 away from the screen 51, And extend in a direction away from the screen 51, the guide plate body 711 is a solid plate, and the extension bars 712 are multiple, which are arranged on the guide plate body 711 at intervals, so that the air supply The air flow blown by the unit 8 can act on the light material from the gap to blow the light material into the limit net 120.
  • the extension strip 712 here includes an upward bending section, and more Conducive to the movement of light materials, and does not affect the falling of heavy materials and magnetic materials.
  • the fourth driving member 72 includes a motor 721 and a spring 722.
  • the material guide plate 71 is connected to the bracket through the spring 722, and the motor 721 is connected to the material guide plate 71. After the motor 721 is started, Vibration starts under the action of the spring 722, and the above-mentioned structure is simple and easy to install.
  • the bacteria supply unit 3 is composed of a powdery bacteria seed box 36 and a powder spraying member 37.
  • 37 is arranged between the garbage crushing unit 4 and the central processing unit 2, and sprays the crushed garbage to mix the crushed garbage with bacteria.
  • the garbage treatment device of the present invention only needs to mix the crushed garbage and the catalytic bacteria that can be catalyzed and decomposed in the central processing unit 2, and the installation position of the bacteria supply unit 3 does not affect Implementation of the invention.
  • the domestic waste treatment device of the present invention decomposes the domestic waste into organic fertilizer, non-decomposable light material, non-decomposable heavy material, and magnetic material through physical and biological decomposition when processing domestic waste, and adopts corresponding sorting methods Automatic sorting can be carried out, and the next resource application can be directly carried out, without the need for operations such as household waste classification.
  • the present invention also proposes a domestic waste treatment method, based on the domestic waste treatment element as described in any one of the above, including the following steps: spraying bacteria that can accelerate the decomposition of organic matter into the domestic waste, crushing the domestic waste into the Carry out the decomposition treatment of organic matter, screen out the organic fertilizer produced after the decomposition of the organic matter, and screen the parts that cannot be decomposed into organic matter by means of winnowing, magnetic separation, etc. into non-decomposable light materials, non-decomposable heavy materials and magnetic materials.

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

L'invention concerne un dispositif et un procédé de traitement d'ordures ménagères. Le dispositif de traitement d'ordures ménagères comprend : une trémie d'alimentation (1), une unité de traitement centrale (2) reliée à la trémie d'alimentation (1), une unité de broyage de déchets (4) reliée à l'unité de traitement centrale (2), et une unité d'alimentation en bactéries (3) qui peut fournir des bactéries, pouvant accélérer la décomposition de matière organique, vers la trémie d'alimentation (1), l'unité de traitement centrale (2) ou l'unité de broyage d'ordures (4).
PCT/CN2020/090109 2019-06-25 2020-05-13 Dispositif et procédé de traitement d'ordures ménagères WO2020259115A1 (fr)

Applications Claiming Priority (2)

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CN201920953292 2019-06-25
CN201920953292.9 2019-06-25

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WO2020259115A1 true WO2020259115A1 (fr) 2020-12-30

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PCT/CN2020/090108 WO2020259114A1 (fr) 2019-06-25 2020-05-13 Dispositif de traitement de recyclage d'ordures

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CN113996432A (zh) * 2021-10-21 2022-02-01 山东鑫海矿业技术装备股份有限公司 一种加速进料的涡旋破碎装置
CN114570745A (zh) * 2022-02-23 2022-06-03 广西海视云图智能科技有限公司 一种社区生活垃圾无害化处理设备及其工作方法
CN115040681A (zh) * 2022-03-10 2022-09-13 熊景霞 一种医疗用血液科废弃管消毒回收装置
CN115254895A (zh) * 2022-07-21 2022-11-01 西安航天发动机有限公司 基于生物酶降解的厨余垃圾处理设备

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KR20140054732A (ko) * 2012-10-29 2014-05-09 김숙희 액상발효분해처리장치를 이용하여 음식물쓰레기로 기능성 사료와 액상비료 및 그 제조방법과 제조시설
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