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50-80mm Calcium Carbide

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Reaction equation: CaO + 3C → CaC2 + CO, ΔH = + 465.7 kJ / mol

This is a strong endothermic reaction, it needs to be carried out in 2100-2500K electric furnace.

The industry generally uses the electric furnace smelting method and the oxygen heating method. The electric smelting method is to smelt the coke and calcium oxide (molecular formula CaO) in an electric furnace at about 2200 DEG C to form Calcium Carbide (formula CaC2). Oxygen thermal method: namely: blast furnace oxygen enrichment oxygen melting CaC

CaC2 (calcium carbide), limestone extraction of carbon, high temperature and low pressure gas furnace. The use of three furnace technology, so that comprehensive utilization of CaC2 production of coal gasification process of waste heat and coal ash, coal ash and ingredients melted to generate CaC2 and ferrosilicon (purification CaC2); "high temperature and low pressure" gas furnace so that Gas production (fat) Naturalization. Each melting a ton of 80% CaC2, about 168kg of pure carbon extracted from the limestone, resulting in gas (CO 55% -95%) 6000-2600 m3, can produce about 4.5 tons of methanol. Oxygen enrichment not only improves the temperature of the furnace but also enhances the CO quality of the gas. In particular, oxygen plays a dual role. The coal gas after coal thermal utilization can be used for coal chemical industry or clean power generation. This process is non-energy-consuming and pollution-free CaC2 production and gas production.


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