Scrap
[fèi pǐn]
1. Finished products that are of unqualified quality and cannot be used by users. Also refers to a useless person.
2. Items that are worn out or have lost their original use value.
3. Renewable resources
Chinese name: waste
Foreign name: waste
Basic explanation 1: unqualified products
p>
Basic explanation 2: Waste items
Share
Basic explanation
1. [Waste product; Reject]: unqualified product
2. [Waste]: defective or inferior products or goods, scrap items
Scrap classification
1. Scrap metal:
Scrap Metal
Phosphor bronze, red copper, white copper, red copper, bronze (62#, 65#), brass, enameled wire copper, copper scraps, aluminum, stainless steel (316.316L.304.301.202), stainless steel Iron, zinc alloy (slag), lead, industrial iron, gold-plated, silver-plated products and other scrap hardware and scrap non-ferrous metal recycling
2. Waste electronics:
Electronic pins, silver-containing tin , lead-free tin, lead-containing tin, tin slag, tin bars, tin wires, tin ash, solder paste, circuit boards, ICs, capacitors, diodes, transistors, transformers, chargers, waste cables and wires, resistors, and other waste electronic recycling
3. Waste plastics:
Waste candles, acrylic, silicone, nylon, film, blister, Saigon, 475, ABS, PS, PP, PC, PVC, Recycling of PCDVD disc materials, PU, ??PA nylon, POM steel, PS, PP, PET, PCB boards and other waste plastic waste
4. Waste cobalt:
Cobalt powder, cobalt Recycling of waste products such as lithium acid oxide, lithium nickel cobalt oxide, aluminum cobalt paper, battery positive electrode sheets, negative electrode sheets, battery positive electrode trimmings, 42# punching trimmings, 79# punching trimmings, electroplating anode materials
5 , Waste batteries:
Lithium batteries, nickel metal hydride batteries, nickel cadmium batteries, lithium ion batteries, polymer batteries, lithium power batteries, solar cells, mobile phone batteries, notebook batteries, camcorder batteries, digital cameras Recycling of batteries, PDA batteries, walkie-talkie batteries and other waste batteries
6. Waste nickel:
Electrolytic nickel, nickel scrap, electroformed nickel, battery conductive nickel sheet, foamed nickel, Recycling of nickel strips, battery conductive nickel sheets, nickel paper, nickel foil, nickel mesh, nickel-containing alloys, nickel CDs, waste nickel tin beads, waste nickel beads, monocrystalline silicon wafers, nickel powder and other waste materials
7. Waste silicon wafers:
Waste monocrystalline silicon, polycrystalline silicon, seed crystals, broken silicon wafers, photolithography wafers, blue film wafers, solar cells, edge silicon materials, battery wafers, silicon rods , silicon tailings, silicon wafers, IC-grade silicon wafers, bare wafers and other waste silicon wafer recycling
8. Precious metals:
Gold plating, gold water, silver target, silver plating, Nickel, rhodium, palladium, platinum, cobalt, tungsten steel, titanium, and other precious metal scrap recycling
9. Waste paper
White waste paper, book and magazine waste paper, old newsprint, Carton and cardboard waste paper, paper bag waste paper and kraft paper, mixed paper
10. Waste glass Flat waste glass, embossed waste glass, hollow waste glass, tempered waste glass, wired waste glass, high-quality waste glass Performance hollow waste glass, glass mosaic, laminated waste glass, organic waste glass, inorganic waste glass, frosted waste glass, fireproof waste glass, bulletproof waste glass, special waste glass
11. Wastewater
Classification
According to the chemical properties of the main pollutants contained in industrial wastewater, it is divided into: inorganic wastewater containing mainly inorganic pollutants, organic wastewater containing mainly organic pollutants, and both Mixed wastewater of organic and inorganic substances, heavy metal wastewater, wastewater containing radioactive substances and cooling water contaminated only by heat. For example, electroplating wastewater and wastewater from mineral processing are inorganic wastewater, and wastewater from food or petroleum processing is organic wastewater.
According to the products and processing objects of industrial enterprises, it can be divided into papermaking wastewater, textile wastewater, tanning wastewater, pesticide wastewater, metallurgical wastewater, oil refining wastewater, etc.
According to the main components of pollutants contained in wastewater, it can be divided into acidic wastewater, alkaline wastewater, phenol-containing wastewater, chromium-containing wastewater, organophosphorus-containing wastewater and radioactive wastewater, etc.
12. Others:
Recycling of various waste machines, computer consumables, mechanical equipment, waste cables and wires, inventory clearance, demolition of abandoned factories
Waste loss
Scrap loss is an important part of production costs. How to control scrap loss is a subject worthy of attention for production companies.
Reducing scrap is always about improving the success rate of product production. Only in this way can we truly reduce the loss of scrap, so we must dig into the production quality of the product.
First of all, we must improve the concentration of production employees. Employee desertion is an important cause of waste loss.
Secondly, sort out the work process to reduce the loss of waste products caused in the work process
The last step is to formulate a defective product reproduction process to reduce the loss of waste products to the minimum.