Waste generation and treatment
(1) Reasons for waste generation. Look for the prevention by referring to Table 2}-12 Waste Generation Causes Table.
Table 2-12 Reasons for waste generation
Type of waste | the reason |
| Excessive impurities such as soil | 1, open storage, long-term use, weathering oxidation loses the use value 2 is not strict, mixed with waste steel |
| Contraband, illegal goods | 1 The supplier is more and more mixed in the scrap steel drink, and the mixed-person field 2 is not strict enough to make it stick to the stockyard. |
| Oversized parts, unable to disassemble workpieces | Unable to disassemble and process into qualified charge |
| Extra large slag steel casting | Unable to process |
(2) Top prevention measures for scrap steel scrap.
1 When purchasing, the purchaser will buy good materials and concentrates, and strictly check the quality of the inspection to prevent “sickness from the mouthâ€.
2 When using the ingredients, stick to the early morning and early morning out, and go to the late night out principle, leaving no dead ends.
3 reduce rust oxidation. After the scrap steel enters the market, it usually takes only three months to move. The wind and rain will naturally cause a certain degree of rust and oxidation to become powder impurities.
(3) Treatment measures for waste.
1 The material field is hardened, and the warehouse-type material yard is built to avoid natural loss.
2 After the waste steel scrap is produced, it loses its use value. The only thing that can be used is to fill the pits, the mats,
Road repair. Prior to this, the waste should be screened or magnetically selected to remove the scrap steel inside.
Strictly speaking, scrap steel is a high-value production material that needs to be stored in a special warehouse to reduce rust and oxidation. In particular, it prevents rain and snow from falling on the scrap steel, so that the water content of the scrap steel is increased, the rust is oxidized quickly, and an explosion occurs in the furnace.
Article from Hong Kong waste recycling
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