Aging garbage screening system

Organic substances such as humus and kitchen waste residue; The second type is inert materials, such as rough materials like bricks, concrete blocks, etc; The third category is recyclable, such as metals and plastics; The fourth category is lightweight, such as paper, fabrics, etc., which can be separated by wind separation and partially used for incineration power generation.

The aged garbage screening system is the core equipment for processing aged garbage in landfills. Through crushing, sorting, and other processes, it uses equipment such as drum screens, air separators, and magnetic separators to separate recyclables, organic matter, and inert substances from the garbage, achieving resource recovery and reduction, laying the foundation for subsequent harmless treatment and resource utilization of garbage, and promoting environmental protection and circular economy development.

About Aging garbage screening system

This aged garbage screening system is a key equipment to break through the "garbage siege" and is widely used in circular economy industrial parks. It aims to achieve the triple core functions of "reduction, resource utilization, and harmlessness" for wet and sticky aged garbage stored in local landfills for more than one year.

Its role focuses on three dimensions: first, pollution prevention and control, reducing the methane content in the pile through rapid ventilation pretreatment, and minimizing safety hazards and odor diffusion during excavation; The second is resource regeneration. The separated humus can be used for urban greening and soil improvement, with aggregates serving as municipal fill materials, lightweight materials for incineration and power generation, and metals being professionally recycled; The third is the release of space, which significantly reduces the amount of landfill and creates conditions for landfill site closure, repair, or expansion and regeneration.

The system has significant advantages, especially the outstanding equipment configuration: firstly, it has strong adaptability and is intelligent and efficient. The core equipment adopts a multi-stage variable diameter drum screen (with built-in automatic cleaning scraper to avoid wet and sticky garbage adhesion) and an adjustable wind pressure air selection machine (equipped with intelligent wind pressure sensors, real-time matching of garbage composition to adjust wind speed), combined with AI visual sorting equipment, accurately identifies and separates materials such as plastics and fabrics, and the screening efficiency is improved by 30% compared to traditional equipment; Secondly, it has excellent durability and environmental friendliness. The key components are made of corrosion-resistant stainless steel, which is suitable for the rainy and humid environment in Hangzhou, and the service life is extended to more than 8 years; The three benefits are outstanding and the operation and maintenance are convenient. A single system can achieve a waste reduction of over 65%. The equipment is equipped with a remote fault diagnosis system, and the operation and maintenance response time is shortened to within 2 hours, ensuring continuous and stable operation and becoming the core support for ecological governance and resource recycling in Hangzhou.

Solution Details Display

Screening equipment: The core is a multi-stage variable diameter drum screen with built-in automatic cleaning scraper, which can avoid the adhesion of wet and sticky garbage, and separate coarse materials (bricks, etc.) and fine materials (humus, etc.) according to particle size; An auxiliary screening device is also provided to improve the accuracy of material separation. Crushing equipment: In the pre-treatment stage, a dedicated crusher is used to crush the possible clumps and large impurities in the aged garbage, breaking down the material aggregation state and creating smooth conditions for the subsequent screening process. Sorting equipment: including adjustable wind pressure air sorting machine (equipped with intelligent wind pressure sensor, separating lightweight materials such as paper and fabric), magnetic separator (extracting recyclable metals such as iron and aluminum), AI visual sorting equipment (accurately identifying and separating plastic packaging, products, etc.). Auxiliary equipment: equipped with remote fault diagnosis system (to ensure equipment operation and maintenance), biological desulfurization tower and negative pressure deodorization system (to process polluted gases), as well as drying and dehumidification device in the pretreatment stage (adapted to the humid environment in Hangzhou, optimizing the treatment process).

Equipment	Power (kW)	Processing Capacity (t/h)	Dimensions (L × W × H, m)	Notes
Feeder	5 – 15	20 – 100	2.5 × 1.2 × 1.8 — 5 × 2 × 2.5	Ensures uniform and continuous material supply.
Trommel Screen / Vibrating Screen	15 – 45	20 – 80	6 × 2 × 2.5 — 12 × 3 × 3.5	Screen openings adjustable (10–80 mm) for particle-size separation.
Air Separator (Wind Sifter)	18 – 55	15 – 60	4 × 2 × 3 — 8 × 3 × 4	Separates light fractions (paper, plastic) from heavy fractions.
Magnetic Separator	3 – 15	20 – 120	2 × 1.2 × 1.5 — 5 × 2 × 2.2	Removes ferromagnetic metals.
Eddy Current Separator	15 – 37	10 – 50	2.5 × 1.5 × 2 — 4.5 × 2 × 2.5	Separates non-ferrous metals (e.g., aluminum, copper).
Belt Conveyor	2 – 11 (per unit)	10 – 300 (system dependent)	Length 5 – 30 m; belt widths 0.8 – 1.6 m	Transfers material between process stages; speed adjustable.
Bag Opener (Tearer)	15 – 30	20 – 80	3 × 2 × 2 — 5 × 3 × 3	Opens waste bags to prevent screen clogging.
Dust Collection / Filtration System	7.5 – 30	—	Custom / site-specific	Filtration airflow: 5,000 – 50,000 m³/h (typical); controls dust emissions.
Compression Baler	18 – 55	5 – 20 bales/h	4 × 2 × 3 — 6 × 3 × 3.5	Compresses recyclable fractions into bales for transport/storage.

Equipment

Power (kW)

Processing Capacity (t/h)

Dimensions (L × W × H, m)

Notes

Feeder

5 – 15

20 – 100

2.5 × 1.2 × 1.8 — 5 × 2 × 2.5

Ensures uniform and continuous material supply.

Trommel Screen / Vibrating Screen

15 – 45

20 – 80

6 × 2 × 2.5 — 12 × 3 × 3.5

Screen openings adjustable (10–80 mm) for particle-size separation.

Air Separator (Wind Sifter)

18 – 55

15 – 60

4 × 2 × 3 — 8 × 3 × 4

Separates light fractions (paper, plastic) from heavy fractions.

Magnetic Separator

3 – 15

20 – 120

2 × 1.2 × 1.5 — 5 × 2 × 2.2

Removes ferromagnetic metals.

Eddy Current Separator

15 – 37

10 – 50

2.5 × 1.5 × 2 — 4.5 × 2 × 2.5

Separates non-ferrous metals (e.g., aluminum, copper).

Belt Conveyor

2 – 11 (per unit)

10 – 300 (system dependent)

Length 5 – 30 m; belt widths 0.8 – 1.6 m

Transfers material between process stages; speed adjustable.

Bag Opener (Tearer)

15 – 30

20 – 80

3 × 2 × 2 — 5 × 3 × 3

Opens waste bags to prevent screen clogging.

Dust Collection / Filtration System

7.5 – 30

—

Custom / site-specific

Filtration airflow: 5,000 – 50,000 m³/h (typical); controls dust emissions.

Compression Baler

18 – 55

5 – 20 bales/h

4 × 2 × 3 — 6 × 3 × 3.5

Compresses recyclable fractions into bales for transport/storage.

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Aging garbage screening system

About Aging garbage screening system

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