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Application publication date : The present invention provides a synthesized hard coke block for partly or totally substituting alloy smelt hard coke. The hard coke block uses coke powder, which is obtained by screening hard coke, as a material. An appropriate amount of flint powder, water and liquefied agglomerant are added in the material to be subject to extrusion forming and drying, and thus the hard coke block is obtained. In aspect of ingredient, silica flour is selected as a filler which effectively increases the volume of the product and improves the uniformity and strength of the product. In a case where the content of fixed carbon is not largely influenced, the calorific value of the synthesized hard coke is improved the calorific value of the synthesized hard coke block is 0. The burden constituents of the hard coke are less and the cost of the material is low. The hard coke is simple in manufacturing process, less in equipment investment, low in manufacturing cost, and easy in industrialized production. Synthetic coke block and preparation method thereof Technical field. The invention belongs to metallurgical technology field, relate to reductive agentthe synthetic coke and preparation method thereof that uses in a kind of electric furnace alloy smelting process, relating in particular to a kind of is the coke of feedstock production with the coke powder, is used for part or all of instead of alloy smelting coke. Coke is the reductive agent of metal and alloy smelting industry large usage quantity in blast furnace, electrosmelting process, and main effect is that the metallic reducing that will be state of oxidation existence comes out. Before coke uses, for preventing that pulverulent material from entering blast furnace or electric furnace influences smelting process, usually coke is sieved, thereby minus sieve shape coke coke powder is removed. The coke block that above-mentioned two kinds of methods are made all make structure dispersions, not moulding, waste material coke powder that calorific value is low obtain recycling, but the coke block cost that these two kinds of methods are made is too high, very difficultly is applied in practice. The purpose of this invention is to provide the synthetic coke block that a kind of cost is low, calorific value is high, be used for part or all of instead of alloy smelting coke. Another object of the present invention provides a kind of preparation method of synthetic coke block. Synthetic coke block of the present invention is to be raw material with the coke powder after the coke screening, and is equipped with an amount of flint powder, water and aqueous binding agent, gets through moulding, drying. It specifically is to have following raw materials by weight percent formulated:. The coke powder that the present invention adopts is the coke powder of particle diameter below 8mm; The particle diameter of the silica powder that adopts is below 0. The preparation method of synthetic coke block of the present invention comprises following processing step:. It is raw material that the present invention mainly adopts the coke powder after the coke screening, has realized the recycling of coke powder; Selected for use silica powder can effectively increase the volume of product in the batching, improved the homogeneity and the intensity of product as weighting agent. The content of silica powder is between 0. After measured, the calorific value of synthetic coke block of the present invention is at 0. Furnish component of the present invention is few, and raw materials cost is low; Manufacturing process is simple, the equipment less investment, and low cost of manufacture is easy to suitability for industrialized production. CNA en. CNB en. A kind of Steelmaking by Using Manganese silicon-carbon ball and preparation method thereof. Process for producing bead ferronickel by rotary hearth furnace through coal-based reduction of red soil nickel oxide ores. A kind of preparation method of the graphite electrode nipple containing graphene. CNC en. CNU en. JPA en. Non-burning carbonaceous material interior ore for blast furnace and manufacturing method therefor. KRB1 en. Machine shaping method of magnetic separation powder, and application of finished product prepared by method. Additive for reducing viscosity of high-titanium blast furnace slag and preparation method thereof. A kind of metallurgical Novel pellet binding agent production technology of iron content. JPB2 en. Stainless steel dust-removal ash carbonous pressing block cold-forming binding agent and forming method.

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