On the 2nd, the reporter learned from the Chongqing Zongshen Automobile Launch Vehicle Manufacturing Company that the ZS300F second-generation high-speed single-cylinder diesel engine independently developed by Zongshen had recently passed the national inspection and received 10,000 orders from Russia. According to the person in charge of the Zongshen Group, the diesel engine block, piston and piston ring adopt the Golden Pottery technology, which is the first in China and has reached international advanced level, filling the gap in the southwest without the second-generation diesel engine. At present, Zongshen FC has an annual production capacity of 200,000 units of this diesel engine. The person in charge of Zongshen FC has said that it has received 10,000 orders from Russia. “Each unit is priced at around 1,500 yuan, and its profit is still good. We plan to further expand our production capacity."
Calcium carbide is an inorganic substance, the chemical formula is CaC2, the main component of calcium carbide, white crystals, industrial products are gray-black lumps, and the cross section is purple or gray. It reacts violently when encountering water, generating acetylene and releasing heat. Calcium carbide is an important basic chemical raw material, mainly used to produce acetylene gas. Also used in organic synthesis, oxyacetylene welding, etc.
Acetylene produced by the reaction of calcium carbide with water can synthesize many organic compounds such as synthetic rubber, synthetic resin, acetone, ketene, carbon black, etc.; at the same time, acetylene-oxygen flame is widely used in metal welding and cutting.
Store in a cool, dry and well-ventilated warehouse. Keep away from fire and heat sources. The relative humidity is kept below 75%. The packaging must be sealed and protected from moisture. It should be stored separately from acids and alcohols, and avoid mixed storage. The storage area should be equipped with suitable materials to contain the leakage.
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