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The pellet binder is compounded by the polymerization reaction of polymer materials and various chemical raw materials, and has properties such as hydrophilicity, complexing, rapid setting, and redox properties. It is not only suitable for the molding and granulation of various ore powder raw materials in the metallurgical industry, but also suitable for the molding and granulation of iron-containing dust and mud waste. It can solve the problem of strict grade requirements for iron ore powder raw materials in existing sintering plants, serious decline in grade of sintered pellets, and consumption. Can solve advanced problems. Compared with the traditional use of bentonite, it has the characteristics of strong bonding force, high one-time molding rate, pellet strength as high as 1000N/ball, improved pellet mineral grade, and reduced energy consumption. It is widely used to handle various materials, including iron ore powder, manganese ore powder, manganese ore powder, phosphate ore powder, copper, lead, zinc and other ore powders, refractory materials, coke powder, coal powder and various dusts. The prepared cold-pressed pellets are also widely used as charge for blast furnaces, direct reduction furnaces, iron furnaces, gas generating furnaces, submerged arc furnaces, etc.
1. Iron fine powder 1000kg, dry powder binder: 10-15kg; (the amount can be adjusted according to the moisture content of the raw materials).
2. First transport the raw materials into the mixer with a conveyor belt, install a water tank on the mixer, adjust the amount of water added according to the humidity of the raw materials, mix the above raw materials evenly and then enter the briquetting machine;
3. Use a conveyor belt to transport the formed pellets to the dryer, and dry them at 150°C for 1-1.5 hours, or they can be dried naturally.
1. Cold-pressed pellets are made from ore powder, coke powder, solvent, etc., which can be directly put into the furnace for smelting. They can be used as ingredients for larger blast furnaces. The coke powder in the cold pellets can replace part of the expensive coke, thus reducing the cost. Production costs, in addition, using cold balls to replace part of the existing furnace charge can increase the output of the blast furnace and reduce the coke ratio. Therefore, the pollution problem caused by sintering is solved, and it is an ideal project for technical renovation of small and medium-sized blast furnaces.
2. The rolling scale, dust, sludge, etc. produced during the steel rolling and steelmaking processes are made into cold-pressed pellets, which can be directly added to converters and electric furnaces as slagging dephosphorization agents and coolants for steelmaking. This process not only recovers part of the metal It also solves the problem of insufficient scrap steel in steel plants, improves the quality of steel, and reduces the cost per ton of steel.
3. Cold-pressed pellets made of iron-containing materials, coke powder, flux, etc. have self-reducing properties. The pellets can be directly added to the iron furnace for smelting, and self-reducing pellets can replace 1/5-3/10 of the pig iron. It will not have any adverse impact on the operation of the iron furnace, greatly reducing production costs, improving the quality of castings, thereby improving product competitiveness.
This product is packed in woven bags, 25kg per bag. Care should be taken to prevent moisture, rain, and agglomeration. If there are agglomerations, the use effect will not be affected after crushing. This product will not deteriorate after long-term storage and is a non-flammable and explosive dangerous product.
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