Steel Recycling Technologies for Construction Materials

A construction waste sorting and crushing device that enables efficient classification, screening, and processing of construction waste. The device comprises a vibrating feeder with a feed conveyor belt, a material sorting belt with a magnet bar, and a crusher positioned on the sorting belt. The sorting belt is equipped with a magnetic separator, and the crusher is positioned on the sorting belt. The device integrates these components into a single system that enables the separation and processing of construction waste into its constituent materials.

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Construction waste treatment device with steel bar recovery function, comprising a treatment bin and a steel bar collecting plate, sliding components are installed at both ends of the treatment bin, an L-shaped plate is slidably installed on the inner side of the sliding component, a vibration motor is installed on the top of the L-shaped plate, a steel bar collecting plate is installed on the top of the L-shaped plate, and a second electric pneumatic cylinder is installed on the top of the steel bar collecting plate, a material guide bin is installed at the middle position of the top of the treatment bin, and a discharge passage is provided at one end of the treatment bin, a first electric pneumatic cylinder is installed at one end of the treatment bin away from the discharge passage, and a control panel is installed at the top of the treatment bin away from one end of the first electric pneumatic cylinder, and the output end of the control panel is electrically connected to the input ends of the first electric pneumatic cylinder, the second electric pneumatic cylinder and the vibration motor through wires.

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A machine for efficient separation and collection of construction waste steel bars from building debris. The machine incorporates a crushing mechanism that replaces manual demolition processes, while a separation mechanism with a linear guide rail and telescopic cylinder system enables precise separation of steel bars from the debris. The system is mounted on a sturdy frame, with the separation mechanism positioned at the lower end of the crushing mechanism. The collection mechanism is positioned at the lower end of the separation mechanism, and both are surrounded by enclosure side plates.

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A scrap steel recycling device that improves the efficiency and quality of steel recycling by incorporating a dust collection system. The device features a crushing mechanism with integrated dust collection, including a vacuum cleaner, dust collection box, and at least two dust collection hoods. The vacuum cleaner's air inlet connects directly to the dust collection hood, while the air outlet connects to the dust collection box. This system enables the collection of dust generated during the crushing process, improving overall recycling efficiency and quality.

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Intelligent steel bar recycling production line and method that enables direct recycling, classification, and reuse of short steel bars through automated processing. The line combines advanced screening and sorting capabilities with mechanical processing systems to convert waste steel into high-quality recycled steel. By integrating these functions into a production line, the system optimizes steel recycling efficiency while reducing labor and material requirements compared to traditional recycling methods.

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A construction waste treatment device for the construction industry that optimizes the separation of steel bars and concrete from construction waste. The device employs a jaw crusher connection to process the waste materials, enabling the separation of steel bars and concrete through controlled crushing and separation mechanisms. This approach enables the recovery of valuable resources from construction waste, improving efficiency and reducing waste generation.

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Construction waste crushing equipment that improves upon conventional methods by incorporating a unique pulsed grinding mechanism. The equipment features a rotating shaft with an extrusion seat that is fixedly positioned on the shaft's eccentric axis. The shaft is connected to a motor, which drives a transmission system comprising a transmission wheel, belt, and hollow spoke. This pulsed grinding mechanism enables controlled, high-speed pulverization of construction waste materials while maintaining precise control over the grinding process.

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Construction waste recycling device that separates mesh wire and reinforcing bar from mixed waste streams through a unique mesh separation system. The device features a jaw crusher followed by a mesh separation unit with a rotating shaft that drives the separation action. The mesh separation unit has a rotating shaft with a fixed sleeve that holds the separation rods, allowing them to slide along the length of the shaft. The separation rods are positioned with relief holes to accommodate the mesh wire and reinforce bars, enabling precise separation of these materials. The device's mesh separation unit is connected to a separate reinforcing bar separation system, allowing for controlled separation of both mesh wire and reinforcing bar.

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A construction waste screening device that automates steel bar recovery from construction waste. The device comprises a crusher, a first conveyor belt for outputting crushed construction waste, and a steel bar recovery mechanism with two conveyor belts on either side of the crusher. The recovery mechanism includes a toggle mechanism that moves steel bars from the first conveyor belt to the second conveyor belt, where they are then dialed onto a third conveyor belt with evenly spaced teeth. The system incorporates a scraper with a slot corresponding to the dialing teeth, allowing the steel bars to be lifted and lowered through the rotation of the third conveyor belt.

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Building steel bar classification and recovery device for recycling steel bars. The device comprises a main body with a feed plate at the top and a feed plate at the bottom. The device has vibrating inclined plates positioned between the feed plates and an eccentric wheel connected to the output shaft of a motor. The eccentric wheel moves back and forth while the vibrating inclined plates move in a synchronized motion. The device incorporates a buffer plate at the bottom of the feed chute, a push plate with telescopic arm, and a screening chute with multiple ports. The push plate moves in the screening chute, while the screening ports direct the steel bars to the storage box.

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A device for cleaning and processing steel bars in construction waste that automates the separation of steel from concrete debris. The device features a rotating shaft with an inclined slide plate that houses a magnetic suction cup system. The rotating shaft is mounted at the bottom of a cylindrical housing, with the slide plate having a hollow structure that accommodates the suction cup. The suction cup is connected to a conveying plate at the lower end of the slide plate, which is positioned at the bottom of the housing. The device enables efficient separation of steel bars from concrete fragments through automated collection and processing.

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A waste steel bar recycling device for building construction projects that efficiently and effectively recycles steel bars bonded with concrete. The device utilizes a rotating drum to crush and separate the steel bars from the concrete, allowing for precise separation of the steel components. This approach enables the collection of valuable steel bars for reuse in construction projects, while also recovering valuable concrete components.

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A concrete recycling device for steel bar recovery from demolished structures. The device features a U-frame base with an electromagnetic chuck positioned below it, a crushing plate directly under the chuck, and a dust collection system above. The plate is mounted on a vacuum system that operates to separate steel from concrete debris, while the dust collection mechanism automatically removes the generated dust. The device includes a steel bar receiving mechanism positioned on the left side of the plate.

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A recycling and processing device for construction waste steel that optimizes steel recovery through advanced screening and processing technologies. The device comprises a screening box with pulverizing capabilities, a rotating material distribution plate, and a system of driving belts and gears for efficient material handling. The system incorporates a filter steel structure, steel recovery box, and scraper to separate and recover valuable steel components from the waste material. The device enables precise control over the steel recovery process, ensuring maximum material quality and minimizing waste.

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A steel bar recycling system for concrete beams that optimizes steel bar recycling by combining crushing, shearing, and material processing. The system comprises a feeding table, crusher, rolling crusher, and main steel bar shearing machine, which work in a sequential arrangement to crush concrete beams, then roll and crush the steel bars to the desired length. The system incorporates a waste collection system to manage the processed materials, with the steel bars being cut to the required length using a gantry-type shearing machine. The crushed concrete is then processed through a rolling crusher to further refine the material.

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Method and equipment for recycling steel bars from concrete beams through a multi-step process that maximizes steel bar recovery. The method involves crushing the beam to remove concrete, followed by a rolling crusher to further process the steel bars. The steel bars are then sheared using a specialized machine that can cut off the steel sections while simultaneously removing concrete fragments. The resulting steel sections are then collected and processed for further recycling, with the steel bar shearing machine capable of cutting off specific lengths while preserving the original beam structure.

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Industrial waste regeneration device that improves steel regeneration resource recovery through magnetic separation. The device comprises crushing and magnetic separation chambers with strategically positioned screening elements. The crushing chamber is designed with a unique screening mechanism that prevents large particles from entering the magnetic separation chamber during separation, ensuring efficient screening of material. The magnetic separation chamber features a quantitative disk for precise steel particle collection, and a sloping plate at the bottom to prevent material accumulation. The device's output features a separate bagging system for collecting steel particles.

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A waste steel rebar sorting system that enables efficient separation of broken rebar pieces from concrete fragments. The system uses a combination of magnetic separation and optical inspection to separate the rebar from concrete debris. The magnetic separation component uses permanent magnets to attract and separate the rebar from the concrete fragments, while the optical inspection component uses high-resolution cameras to visually inspect the rebar for any remaining concrete particles. This dual-stream approach enables the efficient separation of rebar from concrete fragments, making it possible to directly use the separated rebar in concrete applications.

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Construction cost control rebar screening and recycling device for construction cost control. The device comprises two sets of support legs, the tops of the two sets of support legs are fixedly connected with a bottom plate, the bottom plate and the front side of the support leg are provided with a storage box, the top of the bottom plate is fixedly connected with a device box, the bottom of the inner cavity of the device box is fixedly connected with a workbench, and two groups are provided on the left and right sides of the top of the workbench.

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A steel bar recovery device for building concrete crushing that eliminates the need for manual screening and cleaning operations. The device uses a high-temperature furnace to melt the steel bars, which are then separated from the concrete through a magnetic separation process. The furnace can be controlled to achieve precise temperature and time settings, allowing for efficient separation of steel from concrete. The furnace can also be equipped with a continuous conveyor system to handle the molten steel, eliminating the need for manual handling.

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