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Semi-welded plate heat exchangers are specially provided for heating and cooling of corrosive media. They are widely used in ammonia refrigeration, sulfuric acid, caustic soda, petrochemical, metallurgy, machinery, pharmaceuticals, food and other...
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1. Electrode arc welding Welding rod arc welding is a process that uses a stable burning arc established between the welding rod and the workpiece to melt the welding rod and the workpiece to obtain a strong welding joint. During the welding...
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Argon arc welding is a welding technology that uses argon as a protective gas. Also called argon gas shielded welding. It is to pass argon protective gas around the arc welding to isolate the air from the welding area and prevent oxidation of the...
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The spiral plate heat exchanger is a heat exchanger that is made of two parallel metal plates rolled into two spiral channels. The hot and cold fluids exchange heat through the spiral plate walls. According to the structure, it can be divided into...