Solid waste refuse refers to solid waste generated during production, living, and other activities, usually including industrial waste, domestic waste, construction waste, etc. These wastes are usually not easily degradable and may harm the environment and human health.
Classification of Solid Waste Garbage
The main types of solid waste garbage include
- Domestic waste: Waste generated by households, such as food scraps, paper, plastics, etc.
- Industrial waste: Waste generated during industrial production, including metal shavings, chemical waste, etc.
- Construction waste: Waste generated during building construction and demolition, such as concrete, masonry, wood, etc.
- Medical waste: Waste generated by medical institutions, including pollutants and hazardous waste.
Solid Waste Disposal
With the acceleration of urbanization, a large amount of solid waste garbage has been generated, including construction waste, renovation waste, stale garbage, bulky garbage, etc. The generation of this solid waste garbage has caused serious pollution to the surrounding environment, especially soil and groundwater resources, which has a certain impact on the production and life of the surrounding people. In order to develop a green and environmentally friendly economy, solid waste disposal has become increasingly important.
The management and treatment of solid waste garbage is crucial and usually includes classification, collection, transportation, treatment, and disposal. Its treatment methods usually include landfill, incineration, composting, recycling, and so on. Solid waste garbage contains different components such as recyclables, hazardous substances, organic matter, etc. Waste can be sorted, classified, crushed, etc. Waste recycling can recycle and reuse valuable resources, such as metals, plastics, glass, etc.; reprocessing can remanufacture raw material wastes, such as paper, rubber, etc.; incineration burns wastes through high-temperature combustion to generate electricity or heat; it can also utilize microorganisms or other organisms to decompose and degrade solid waste refuse. For example, through composting and anaerobic digestion, organic waste is converted into organic fertilizer and biogas to achieve the reuse of resources and the safe disposal of hazardous substances. Effective solid waste management not only reduces environmental pollution but also promotes the recycling and reuse of resources.
Solid Waste Treatment Equipment
Solid waste treatment equipment generally needs to use: a feeder, conveyor, crusher, tumbler screen, bar screen, spiral screen, vibrating screen, bounce screen, wind separator, magnetic separator, baler, etc., solid waste treatment involves a lot of different equipment, through the reasonable configuration of the equipment and the scientific operation, you can reduce the impact of the solid waste on the environment, and achieve the effective recycling of resources.
Common Solid Waste Screening Equipment
- Screw sieve: Itis a new type of screening equipment, which does not block the sieve holes for wet and sticky materials, with fast advancing speed and large processing capacity.
- Bouncing screen:It is a new type of sorting equipment with a separation function designed for sorting inorganic particles in the garbage after coarse crushing.
- Vibrating screen: It is a kind of screening equipment with high screening efficiency, stable and reliable work in the crushing industry, which is essential for grading and screening of gravel production line products. The equipment relies on a lubrication structure, which reduces the working temperature of the bearings and plays a decisive role in the continuous and stable work of the equipment.
- Tumbler screen: Mainly used in urban decoration waste, landfill waste, and other sorting areas, can effectively screen mixed solid waste in different sizes and specific gravity of hard materials and inert materials.
- Bar screen: The use of a double eccentric shaft exciter, can withstand the impact of large materials falling, large screening capacity, in the production process, can be lumpy, granular materials screening and give out, special bar design, can prevent material clogging. The gap between the bars is adjustable.
- Relaxation sieve: Specializes in the separation of medium and fine particle size viscous dispersed difficult to screen materials, can be fine, viscous, wet materials for effective screening, and the output is larger, the product is equipped with bearing materials, sealing interface and other process structures.
- Banana sieve:It is a kind of large and medium-sized screening machinery with large screening capacity, suitable for sintered ore, limestone, gravel, sand and gravel, metallic or non-metallic ores, and other materials.
- Roller sieve: Through the rolling of the disk to separate the different sizes and shapes of the separation equipment, and adjust the gap between the disk, you can achieve effective separation of materials with large differences in size, used to separate inert garbage and small volumes of garbage.
- Wind separator:It mainly separates the light materials (such as plastic, foam, etc.) from the heavy materials in the decoration garbage and separates them according to the different densities of the light and heavy materials. It is adapted to fine sorting and removing impurities in the resource treatment of solid waste garbage, which can make the sorted materials clean and contain fewer impurities.
Common Solid Waste Crushing Equipment
Crushing equipment in solid waste treatment is mainly used to crush large or hard solid waste materials into smaller particles for subsequent treatment and disposal. Common crushing equipment includes:
- Hammer Crusher: utilizes a high-speed rotating hammer head to hit the material and break it into pieces, suitable for handling soft and medium-hard materials such as construction waste and ores.
- Jaw Crusher: crushes materials through the squeezing action of two jaw plates, suitable for harder solid waste such as concrete and ore.
- Impact Crusher: utilizes the impact force to break the material, suitable for handling more brittle materials such as glass and ceramics.
- Vertical Crusher: Crushes materials by centrifugal force and impact force, usually used to process construction waste and waste materials.
- Double Roll Crusher: Crushes materials by squeezing and shearing of two rollers, suitable for viscous and wet solid waste.
- Cutter: Used to cut large items such as plastics, paper and metal, and is suitable for all types of solid waste.