مشروع إعادة تدوير نفايات البناء والتجديد في ونتشو

نظرة عامة على المشروع

متطلبات العميل وتحديات المشروع

متطلبات العميل

The customer needed a continuous processing line capable of handling mixed construction and renovation waste with different material sizes and compositions. The main objective was to separate reusable mineral materials from soil, metals, and lightweight combustible fractions, producing several material streams for different downstream applications.

The project also required a coordinated crushing and screening process, effective removal of lightweight impurities, and dust-control measures suitable for an enclosed steel workshop. The equipment layout had to support continuous material transfer, equipment inspection, and routine maintenance.

تحديات المشروع

• Complex Incoming Materials: The feed contained concrete, bricks, mortar-rich soil, gypsum, wood, plastic film, and packaging materials. Differences in size, density, and shape made single-stage separation insufficient.
• Flexible and Entangled Impurities: Plastic film, packaging, and other lightweight materials could become entangled with mineral materials, making downstream separation more difficult.
• Multiple Product Requirements: The customer needed several recovered fractions, including graded recycled aggregates, fine soil and sand, ferrous metal, and lightweight combustible materials.
• Dust and Environmental Control: Crushing, screening, and material transfer could generate dust, requiring coordinated collection and suppression throughout the workshop.
• Continuous Process Coordination: Multiple crushing, screening, and air-separation stages needed to work together to maintain material flow and reduce the carryover of unwanted fractions.

Xinzhongyi ECO Construction Waste Recycling Solution

For the Wenzhou project, Xinzhongyi ECO configured a multi-stage recycling line based on the incoming waste composition, processing capacity, and recovered-material requirements. The system combines three-stage crushing with a jaw crusher, impact crusher, and double roller crusher to reduce mixed construction waste for subsequent separation.

The crushed materials pass through a bar screen, rotary trommel screen, and circular vibrating screen for size classification. Multiple overband magnetic separators recover ferrous metals, while three comprehensive air separators separate lightweight materials such as plastic film, wood, and packaging from the mineral fractions.

The recovered materials are sorted into graded recycled aggregates for road base and stabilized layers, fine soil and sand for backfilling, ferrous metals for recycling, and lightweight combustibles for potential use as alternative fuel. Covered conveyors, a pulse baghouse dust collector, and atomizing spray equipment are integrated to control dust during material processing and transfer.

تكوين المعدات الرئيسية

• المغذي الاهتزازي: Receives and distributes incoming construction and renovation waste to the feeding section.
• Light-Duty Apron Feeder: Provides controlled material transfer and helps maintain a steady feed to the crushing equipment.
• الكسارة الفكية: Performs primary size reduction of large concrete and brick materials.
• الكسارة التصادمية: Further reduces crushed materials to meet downstream screening requirements.
• Double Roller Crusher: Provides a further crushing stage to control material size before classification.
• Bar Screen: Performs initial screening and separates materials according to size.
• غربال أسطواني دوار: Classifies mixed materials through a rotating screening process.
• Circular Vibrating Screen: Provides further particle-size classification for the recovered mineral fractions.
• Overband Magnetic Separators: Remove ferrous metals from the material flow at multiple processing points.
• Comprehensive Air Separators: Separate lightweight fractions, including plastic film, wood, and packaging materials, from heavier mineral materials.
• Covered Belt Conveyors: Transfer materials between processing stages while limiting dust dispersion.
• Pulse Baghouse Dust Collector and Atomizing Spray System: Collect and suppress dust generated during crushing, screening, and conveying.

عملية إعادة تدوير نفايات البناء والتجديد

The incoming waste is first transferred by a vibrating feeder and light-duty apron feeder to the jaw crusher for primary crushing. It then passes through an impact crusher and double roller crusher for further size reduction. The crushed material is classified through three screening stages: bar screening, rotary trommel screening, and circular vibrating screening, separating fine soil and sand from larger mineral fractions.

The screened materials enter the separation section, where multiple overband magnetic separators recover ferrous metals such as steel and iron fragments. Three comprehensive air separators then remove lightweight materials, including plastic film, wood, and packaging. The final streams include graded recycled aggregates, fine soil and sand, ferrous metals, and lightweight combustible materials, which are directed to their respective recovery and utilization processes.

معرض الصور

مزايا العملية والتشغيل

The production line uses a staged equipment arrangement to coordinate crushing, screening, magnetic separation, and air separation. Each processing stage handles a specific material-size or separation requirement, reducing the burden on individual machines and allowing different recovered fractions to be collected separately.

During installation, the equipment was positioned and connected according to the planned process layout inside the steel workshop. Xinzhongyi ECO engineers provided on-site technical guidance for equipment installation, alignment, and process connections. During commissioning, the team checked material feeding, crushing performance, screening conditions, magnetic separation, air separation, and conveying between stages.

The operating conditions were adjusted according to the actual material flow. Dust-collection and spray equipment were also checked during trial operation. This process helped coordinate the equipment stages before the line was handed over for production.

نتائج المشروع

The Wenzhou construction and renovation waste recycling line was configured for a designed processing capacity of 150–200 TPH and an annual handling capacity of approximately 400,000 m³. Through three-stage crushing, screening, magnetic separation, and air separation, the system separates mixed waste into several material streams for different recovery routes.

Recovered mineral aggregates can be used in road base and stabilized-layer applications, while fine soil and sand are available for backfilling. Ferrous metals are collected for metal recycling, and lightweight combustible materials can be directed to power plants as alternative fuel when they meet the required specifications. The enclosed workshop, covered conveyors, pulse baghouse dust collector, and atomizing spray system are incorporated to address dust-control requirements during operation.

ملاحظات العميل

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خطط لخط إعادة تدوير مخلفات البناء والتجديد الخاص بك

Planning a construction and renovation waste recycling project? Share your incoming material composition, required processing capacity, site layout, and target recovered products with Xinzhongyi ECO. Our engineering team can assess the material characteristics and develop a suitable combination of crushing, screening, magnetic separation, air separation, conveying, and dust-control equipment.

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