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WO2020232996A1 - Procédé de prétraitement et appareil de tri de matière organique de déchets de cuisine - Google Patents

Procédé de prétraitement et appareil de tri de matière organique de déchets de cuisine Download PDF

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Publication number
WO2020232996A1
WO2020232996A1 PCT/CN2019/117047 CN2019117047W WO2020232996A1 WO 2020232996 A1 WO2020232996 A1 WO 2020232996A1 CN 2019117047 W CN2019117047 W CN 2019117047W WO 2020232996 A1 WO2020232996 A1 WO 2020232996A1
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WO
WIPO (PCT)
Prior art keywords
screen
belt conveyor
storage tank
crusher
organic matter
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2019/117047
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English (en)
Chinese (zh)
Inventor
杜港
甄胜利
陈君
陈雨
凌锦明
齐长青
杨庆彬
赵丽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Geoenviron Engineering and Technology Inc
Original Assignee
Beijing Geoenviron Engineering and Technology Inc
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.)
Filing date
Publication date
Application filed by Beijing Geoenviron Engineering and Technology Inc filed Critical Beijing Geoenviron Engineering and Technology Inc
Publication of WO2020232996A1 publication Critical patent/WO2020232996A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • B02C18/0084—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage
    • B02C18/0092—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage for waste water or for garbage
    • 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
    • B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
    • B02C18/142—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with two or more inter-engaging rotatable cutter assemblies
    • 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
    • B02C21/00—Disintegrating plant with or without drying of the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/02—Magnetic separation acting directly on the substance being separated
    • B03C1/30—Combinations with other devices, not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/18—Drum screens
    • B07B1/22—Revolving drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
    • B02C2201/06—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage

Definitions

  • the invention belongs to the technical field of food waste treatment, and specifically relates to a pretreatment process and device for sorting organic matter of urban kitchen waste, which has good sorting effect, wide feed range, simple system, low energy consumption, safe and reliable operation, The maintenance and operation are simple and convenient.
  • Food waste mainly includes: organic waste generated by related units canteens, hotels, restaurants, living quarters, etc., vegetable and fruit waste, rotten meat, meat fragments, eggshells, and livestock Poultry product offal, etc.
  • Kitchen waste is not suitable for direct landfill and incineration due to its perishable, smelly, and biodegradable characteristics.
  • the treatment of kitchen waste is mainly based on anaerobic fermentation.
  • the waste contains a certain amount of impurities and cannot directly enter the anaerobic system, pretreatment is required to sort the organic matter in the kitchen waste come out.
  • the present invention provides a pretreatment process and device for sorting kitchen waste organic matter.
  • the materials are divided into woven fabrics, waste paper and plastics by coarse crushing, screening, and magnetic separation.
  • the present invention provides a pretreatment process for sorting organic matter of kitchen waste, including the following processes:
  • Step 1 Grab the garbage carried in the material storage tank by the grab crane and put it into the crusher;
  • Step 2 The material is crushed in the crusher
  • Step 3 After the crushed material is discharged from the crusher, it is conveyed to the drum screen by a belt conveyor;
  • Step 4 The material is sieved in the trommel screen, where the sieved material is conveyed to the subsequent transportation vehicle by the over-sieve belt conveyor; the under-sieve is conveyed to the suspension magnetic by the under-sieve belt conveyor Processing under the selected machine;
  • Step 5 The magnetic separator performs magnetic separation on the under-sieve, separates and recovers ferrous metals, and transports the magnetically separated organic matter to the organic matter storage tank.
  • the garbage in the material storage tank is filtered to remove the liquid in the garbage through a water filter grid provided at the bottom, wherein the water filter grid is provided at the bottom of one side wall of the material storage tank, and the material The bottom of the storage tank is inclined and arranged toward the water filter grid.
  • the bottom of the material storage pool has a slope rate of 2°
  • the filter grid hole size is 4mm ⁇ 38mm
  • the filter grid is welded by trapezoidal flat steel, and the thickness after welding is 20mm.
  • the size of the water filter grid is 400mmx400mm.
  • a number of water filter grids are arranged along the bottom of the side wall of the material storage tank, and the center distance between two adjacent water filter grids is 1m.
  • the top of the crusher has a receiving hopper
  • the hydraulic grab of the grab crane puts the grabbed materials into the receiving hopper
  • the angle between the wall of the receiving hopper and the vertical direction is less than 45°
  • the bottom of the crusher has an outlet
  • the crusher adopts a double-shaft counter-shear crusher. It uses double-sector cutters. Each cutter has four teeth, which are located on both sides.
  • Each shaft is equipped with multiple cutters. The surface of the cutter is perpendicular to the axial direction. The tools on the shaft overlap each other.
  • the trommel screen has a cylindrical screen arranged obliquely along the transverse direction, the height of the feed inlet is higher than the height of the material outlet, the screen has a plurality of sieve holes, and the inside of the screen is provided with knives and The inner wall of the screen is vertical.
  • the knives when the knives are set, a plurality of knives are evenly arranged on a certain inner wall circumference of the knives, and a plurality of sets of knives are arranged at intervals along the axial direction of the screen, and toward the material outlet direction of the screen,
  • the conveyor is transported to the subsequent transportation vehicles, and the under-sieve belt conveyor installed under the trommel can receive the under-sieve dropped by the trommel, and transfer it to the suspension magnetic separation by the under-sieve belt conveyor Follow-up processing in the machine.
  • the invention provides a pretreatment device for sorting kitchen waste organic matter, which includes a material storage tank, a grab crane, a crusher, a belt conveyor, a drum screen, a drum screen, a belt conveyor, and a drum Belt conveyor, magnetic separator, storage tank feed belt conveyor and organic material storage tank;
  • the material storage tank is used to carry garbage and filter out the liquid in the garbage.
  • the grab crane is erected above the material storage pool and includes a crane and a hydraulic grab. The hydraulic grab moves the slide set on the crane beam Above the rail, the material is grabbed from the material storage tank by a hydraulic grab and put into the crusher.
  • a belt conveyor is arranged below the crusher, and the material is transferred to the roller screen through the belt conveyor.
  • the outlet side is connected to a belt conveyor for the over-screen material, and an under-screen material belt conveyor is arranged under the trommel.
  • the under-screen material belt conveyor transmits the under-screen material to the magnetic separator, and the organic matter after magnetic separation passes through the storage
  • the feeding tank is conveyed by a belt conveyor to the organic material storage tank for storage.
  • the garbage in the material storage tank is filtered to remove the liquid in the garbage through a water filter grid provided at the bottom, wherein the water filter grid is provided at the bottom of one side wall of the material storage tank, and the material The bottom of the storage tank is inclined and arranged toward the water filter grid.
  • the bottom of the material storage pool has a slope rate of 2°
  • the filter grid hole size is 4mm ⁇ 38mm
  • the filter grid is welded by trapezoidal flat steel, and the thickness after welding is 20mm.
  • the size of the water filter grid is 400mmx400mm.
  • a number of water filter grids are arranged along the bottom of the side wall of the material storage tank, and the center distance between two adjacent water filter grids is 1m.
  • the top of the crusher has a receiving hopper
  • the hydraulic grab of the grab crane puts the grabbed materials into the receiving hopper
  • the angle between the wall of the receiving hopper and the vertical direction is less than 45°
  • the bottom of the crusher has an outlet
  • the crusher adopts a double-shaft counter-shear crusher. It uses double-sector cutters. Each cutter has four teeth, which are located on both sides.
  • Each shaft is equipped with multiple cutters. The surface of the cutter is perpendicular to the axial direction. The tools on the shaft overlap each other.
  • the trommel screen has a cylindrical screen arranged obliquely along the transverse direction, the height of the feed inlet is higher than the height of the material outlet, the screen has a plurality of sieve holes, and the inside of the screen is provided with knives and The inner wall of the screen is vertical.
  • the knives when the knives are set, a plurality of knives are evenly arranged on a certain inner wall circumference of the knives, and a plurality of sets of knives are arranged at intervals along the axial direction of the screen, and toward the material outlet direction of the screen,
  • the conveyor is transported to the subsequent transportation vehicles, and the under-sieve belt conveyor installed under the trommel can receive the under-sieve dropped by the trommel, and transfer it to the suspension magnetic separation by the under-sieve belt conveyor Follow-up processing in the machine.
  • the process of the invention has good separation effect, low energy consumption and low raw material requirements.
  • the process of the present invention preferentially selects a grab crane for feeding, and the feeding efficiency is high, and large garbage and interference objects (mattresses, cabinets, chairs, etc.) can be selected during the process of manually operating the grab.
  • the process of the invention preferentially selects a hydraulically driven double-shaft crusher, which has large torque, stable performance and high processing capacity.
  • the process of the invention preferentially selects a roller screen to sort materials, and has high sorting efficiency and good sorting effect.
  • the process of the present invention preferentially selects a suspension magnetic separator to separate materials.
  • the magnetic separator has high magnetic field strength, strong adsorption force, and good separation effect for ferrous metals.
  • Figure 1 is a schematic diagram of the structure of the pretreatment device provided by the present invention.
  • Figure 2 is a schematic diagram of the structure of the storage tank in the present invention.
  • FIG. 3 is a schematic diagram of the structure of the water filter grid in the present invention.
  • FIG. 4 is a schematic diagram of the structure of the crusher in the present invention.
  • Figure 5 is a schematic diagram of the structure of the cutter of the crusher of the present invention.
  • FIG. 6 is a schematic diagram of the structure of the drum screen in the present invention.
  • Figure 7 is a schematic diagram of the installation of the trommel cutter in the present invention.
  • Figure 8 is a flow chart of the pretreatment process provided by the present invention.
  • connection should be understood in a broad sense, unless otherwise clearly defined and limited.
  • they may be fixed connections or alternatively.
  • Detachable connection, or integral connection it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components.
  • connection should be understood in specific situations.
  • the present invention provides a pretreatment process and device for sorting organic matter of kitchen waste.
  • the structure of the device as shown in Figure 1 includes: material storage tank 1, grab crane 2, crusher 3, belt conveyor Machine 4, trommel 5, over-screen material belt conveyor 6, under-screen material belt conveyor 7, magnetic separator 8, storage tank feed belt conveyor 9, organic material storage tank 10.
  • the material storage tank 1 is a pool body recessed below the ground 12, which is made of concrete and is used to carry garbage. Its bottom has a slope of 2° and is located at a relatively low bottom.
  • a water filter grid 11 (several at intervals), as shown in Figure 2 and Figure 3, with a large number of filter grid holes, the size of the filter grid hole is 4mm ⁇ 38mm,
  • the water grid 11 is welded by trapezoidal flat steel 13, the thickness after welding is generally 20mm, the size of each water filter grid 11 is generally 400mmx400mm, the center spacing between the water filter grids is 1m, and the garbage contained in the pool
  • the liquid is filtered through the bottom with a slope rate and the water filter grid 11, and the green leaves can be sent to the sewage treatment system for treatment.
  • the grab crane 2 is erected directly above the material storage tank 1. It includes a crane and a hydraulic grab.
  • the hydraulic grab is set above the crane beam, and above the beam is provided with a slide rail for the hydraulic grab East China. After the bucket is moved to a suitable position, a hydraulic grab is used to grab the material from the material storage tank 1.
  • the structure of the crusher 3 is shown in Fig. 4, which is set on one side of the material storage tank 1, and has a receiving hopper on the top.
  • the receiving hopper has a certain volume, and the angle between the wall of the receiving hopper and the vertical direction is less than 45° to prevent food waste from sticking to the wall panel.
  • the bottom has a discharge port.
  • the crusher adopts a double-shaft counter-shear crusher and a double-sector cutter. As shown in Figure 5, each cutter has four teeth. They are on both sides, the thickness of the tool is 80mm, and each axis is equipped with 8 tools. The plane of the tool is perpendicular to the axis. The tools on the two axes overlap each other, so that the material is broken by the tools on the two axes.
  • the diameter is less than 250mm.
  • the distance between the receiving hopper and the material storage tank 1 meets the requirement that the material grabbed by the grab crane 2 can be put into the receiving hopper.
  • a belt conveyor 4 is arranged below the receiving hopper, and below the receiving hopper The discharging port is directly above one end of the belt conveyor 4, so that the crushed material from the discharging port falls to one end of the belt conveyor 4 and is continuously transferred to the other end through the rolling of the conveyor belt.
  • a drum screen 5 is provided below the other end of the belt conveyor 4, and the drum screen 5 is erected above the bracket.
  • the structure of the drum screen 5 is shown in FIG. )
  • the cylindrical screen 15 is provided with a large number of screen holes.
  • the diameter of the screen holes is generally 80mm, and the opening rate is more than 60%, which can improve the screening efficiency and prevent the screen holes from being blocked.
  • a cutter 14 is arranged inside the screen 15 of the trommel.
  • the cutter 14 is perpendicular to the inner wall of the screen 15.
  • the structure of the cutter 14 is shown in FIG. 7.
  • the structure includes a rectangular part and a triangular part formed as an integral structure.
  • the triangular part faces the cavity of the screen 15, and the cutters 14 are evenly distributed in the screen 15.
  • the cutters are arranged correspondingly, they are evenly arranged on a certain inner wall circumference of the cutter 14
  • a tool the tool set on the circle is called a group of tools, and multiple groups of tools are arranged at intervals along the axial direction of the screen. For example, three tools are arranged in a circle, and the distance between each other is 120°. Multiple sets of cutters are arranged at the axial interval of the screen. The closer to the material outlet direction of the screen, the larger the distance between the adjacent two sets of cutters.
  • the plastic bags in the material can be further torn by the above knife settings, and the screens are mainly woven fabrics, waste paper, plastics and other impurities.
  • the feeding port on one side of the screen 15 which is buttted with the belt conveyor 4 (the end of the belt conveyor 4 can be probed into the screen 15 for a certain length to realize the automatic fall of the material in the screen, or through Manual feeding), which can make the material enter the screen for sieving, and the other side is the material outlet.
  • the screen 5 is set along a certain inclination angle, generally the inclination angle is 5- 10°, where the height of the feed inlet is higher than the height of the material outlet, so that the oversize belt conveyor 6 makes the oversize material plastic, fiber and other impurities continuously roll out toward the material outlet direction during the rolling process It enters above the over-screen material belt conveyor 6 below the material outlet, and then is transported to the subsequent transportation vehicle by the over-screen material belt conveyor 6, and the under-screen material belt conveyor is arranged at certain intervals under the screen
  • the machine 7 makes the under-screen material sifted through the drum screen 5 fall on one end of the under-screen material belt conveyor 7, and is transferred to the suspension magnetic separator 8 through the under-screen material belt conveyor 7 for subsequent processing
  • the impurity through the sieve belt conveyor 6 and under the sieve belt conveyor 7 are two conveyors in different directions, such as 90 degrees to each other.
  • the magnetic separator 8 can separate and recover ferrous metals, and send the magnetically separated materials (organic matter) to the organic matter storage tank 10 for temporary storage, and then be transported to the dry type.
  • the anaerobic reactor performs anaerobic fermentation.
  • the organic matter storage tank 10 is made of concrete and is set below the ground for storing organic matter.
  • the present invention provides a pretreatment process for sorting organic matter of kitchen waste, as shown in Fig. 8, which specifically includes the following process steps:
  • Step 1 The food waste collection truck unloads the food waste into the material storage tank 1.
  • the waste infiltrates the liquid in the material storage tank 1.
  • the material storage tank 1 is made of concrete and set below the ground , The bottom of the side wall on one side is provided with a water filter grid to filter out the liquid in the material.
  • the grab crane 2 is installed directly above the material storage tank 1.
  • the grab crane 2 includes a crane and a hydraulic grab.
  • the crane 2 is equipped with rails on both sides, and the grab can move along the rail. After moving to a suitable position, the hydraulic grab is used to grab the material from the material storage tank 1 and put it into the receiving hopper of the crusher 3;
  • Step 2 The top of the crusher 3 has a receiving hopper with a certain volume. After the grab crane 1 sends the picked up materials into the receiving hopper, the materials are crushed inside the crusher 3, and the particle size of the material is crushed by the crusher 3. Less than 250mm;
  • Step 3 The bottom of the crusher 3 has a discharging port, and the bottom of the discharging port is opposite to one end of the belt conveyor 4.
  • the belt conveyor 4 can transfer the caught crushed materials to the belt conveyor by rolling transmission 4 In the drum screen 5 at the other end;
  • Step 4 The trommel 5 has a sieve hole of 80mm, and the trommel 5 sieving the materials sent by the belt conveyor 4, wherein the sieved plastic, fiber and other impurities are passed through the sieve belt.
  • the conveyor 6 is transported to the subsequent transportation vehicle; the under-screen material is conveyed under the under-screen material belt conveyor 7 to the suspension magnetic separator 8 for processing;
  • Step 5 The magnetic separator 8 performs magnetic separation on the under-sieve conveyed by the under-sieve belt conveyor 7, and separates and recovers the ferrous metals. ) Is sent to an organic material storage tank 10, which is made of concrete and is set below the ground for storage of organic material.
  • the raw material (garbage) components in the material storage tank 1 are the raw material (garbage) components in the material storage tank 1:
  • control parameters designed in the process of the present invention are:
  • Serial number Indicator name unit Value 1 Food waste particle size after treatment (90% material) mm ⁇ 80 2 Removal rate of long strips with particle diameter greater than 250mm % ⁇ 90 3 Organic matter loss in drum screening process % ⁇ 10

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

L'invention concerne un procédé de prétraitement et un appareil de tri des matières organiques de déchets de cuisine. Le procédé de prétraitement comprend les étapes suivantes : le stockage de matières dans un réservoir de stockage (1) et le filtrage de liquide ; le transport des matières vers un broyeur (3) par une grue à grappin (2) ; le broyage des matières par le broyeur (3) ; le transport des matière broyées vers un tamis rotatif (5) ; et le tri des matières volumineuses telles que des déchets papier, du tissu tissé et du plastique dans les matières par le tamis rotatif (5) en vue de l'incinération ou de l'ensevelissement, le transport des matières tamisées de dimension inférieure vers un séparateur magnétique (8), et le tri et la récupération du métal magnétique dans les matières par le séparateur magnétique (8), les matières soumises à une séparation magnétique étant des matières organiques et étant transportées vers un réservoir de stockage de matières organiques (10) en vue d'une fermentation ultérieure dans un système anaérobie par voie sèche. Le procédé a l'avantage de présenter un taux de séparation de matières élevé et un système simple, et peut satisfaire aux exigences de fermentation anaérobie par voie sèche ultérieure de déchets de cuisine.
PCT/CN2019/117047 2019-05-21 2019-11-11 Procédé de prétraitement et appareil de tri de matière organique de déchets de cuisine Ceased WO2020232996A1 (fr)

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CN201910423996.XA CN110142124B (zh) 2019-05-21 2019-05-21 一种用于厨余垃圾有机质分选的预处理工艺及装置
CN201910423996.X 2019-05-21

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CN113458124A (zh) * 2021-07-26 2021-10-01 中国环境保护集团有限公司 厨余垃圾处理系统及方法
CN113733631A (zh) * 2021-08-23 2021-12-03 义乌市深能再生资源利用有限公司 餐厨垃圾高效除沙除杂提油方法及系统
CN114918227A (zh) * 2022-05-25 2022-08-19 湖南仁和环保科技有限公司 一种厨余垃圾厌氧发酵预处理系统
CN115958038A (zh) * 2022-11-24 2023-04-14 中船重工环境工程有限公司 一种果蔬垃圾的处理系统及处理方法
CN118221321A (zh) * 2022-12-21 2024-06-21 浙江宜可欧环保科技有限公司 含油污泥流化、筛分协同处理系统和方法

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CN110142124B (zh) * 2019-05-21 2020-12-22 北京高能时代环境技术股份有限公司 一种用于厨余垃圾有机质分选的预处理工艺及装置
CN111069245A (zh) * 2019-12-26 2020-04-28 浙江华力环境科技有限公司 一种餐厨垃圾处理工艺
GB2607852A (en) * 2020-11-20 2022-12-21 Kiverco Ltd Material sorting apparatus
CN112845198B (zh) * 2021-03-02 2023-02-21 上海睿聚环保科技有限公司 一种废旧日杂塑料回收分拣方法

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