In the past few decades, most companies have been accustomed to collecting, sorting, crushing, granulating or mixing with new materials in proportion to recycle defective products and raw materials. This is a traditional recycling method. There are several disadvantages in this kind of operation:
Disadvantage 1: Occupying funds: To produce a batch of customer orders and purchase corresponding rubber materials, the products only use 80% of the purchased rubber materials, while the sprue occupy 20%, which means that 20% of the purchase funds for the sprue materials are wasted.
Disadvantage 2: Occupying space: 20% of the sprue materials need to be arranged in a dedicated space for collection, sorting, crushing, storage, etc., resulting in unnecessary waste of space.
Disadvantage 3: Waste of manpower and material resources: Sprue materials collection, classification and sorting, crushing and bagging, regeneration and granulation, classification and storage, etc. all require manual labor and special equipment to complete. Workers need expenses (salary, social security, accommodation, etc.), and equipment needs to be purchased. , site and operation and maintenance expenses, these are the costs of daily operations of the enterprise, directly reducing the profits of the enterprise.
Disadvantage 4: Cumbersome management: After the fixed devices in the production workshop are cached, special personnel must be arranged for collection, classification, crushing, packaging, granulation or mixing, storage management, etc. Especially crushed plastics sometimes have to be stockpiled until the next batch of orders of the same color and type are recycled, which makes it difficult to control. Therefore, almost every plastic factory has the phenomenon of hoarding large amounts of crushed materials (or sprues materials), which has become a heavy burden and trouble.
Disadvantage 5: Downgraded utilization: The sprues produced by high-cost rubber materials can only be downgraded and used even if they are recycled. For example, white sprues can only be used for black products.
Disadvantage 6: Multiple pollution use: After the sprues material is taken out of the mold, its temperature begins to drop and it comes into contact with the air. At this time, the physical properties begin to change. Due to surface static electricity, it is easy to absorb dust and water vapor in the air, causing humidification and pollution. During the collection, crushing, and even granulation processes at the sprues, it is unavoidable that rubber materials of different colors and materials will be mixed and contaminated, or other impurities will be mixed and contaminated.
Disadvantage 7: Environmental pollution: During centralized crushing, the noise is huge (more than 120 decibels), dust flies, and the atmospheric environment is polluted.
Disadvantage 8: Low quality: Plastic itself has static electricity, which can easily absorb dust and moisture in the air, and even be contaminated with dirt or mixed with impurities, which will cause the physical properties of the plastic - strength, stress, color and luster to be damaged, and the product will appear peeling and claw marks. , ripples, color difference, bubbles and other undesirable phenomena.
Disadvantage 9: Hidden dangers: Once contaminated rubber materials are not discovered before production, the products produced will have a hidden risk of being scrapped in batches. Even if the quality inspection procedures are strict, you will still have to endure the torment of psychological stress.
Plastic raw materials are the largest long-term cost burden for manufacturing plants. In order to reduce costs, manufacturers of products of any level are eager for a scientific recycling method that improves the above shortcomings to maximize the company's profits and prevent them from being lost. Avoid unnecessary waste to ensure the sustainable operation of the enterprise.
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Post time: Apr-24-2024