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NEWS CENTER

What’s special about Silicon Carbide Heat Exchange Tubes?


Silicon carbide heat exchange tubes are fabricated through extrusion molding and high-temperature sintering. Sanze uses a laser aligning instrument to monitor the outer diameter of the tubes, ensuring that the qualified products have uniform tube walls, smooth surfaces, and excellent roundness and straightness. According to the special requirements of customers, local polishing can be conducted on the outer diameters at both ends of the tubes.

Silicon carbide heat exchange

Typical applications include being used in shell and tube heat exchanger equipment. They are suitable for various chemical processes such as cooling, condensing, heating, evaporation, thin-film evaporation, and absorption of various chemicals. Especially suitable for the following highly corrosive chemicals: strongly corrosive acids such as bromine, sulfuric acid, hydrofluoric acid, nitric acid, and hydrochloric acid; sodium hydroxide or other strong alkalis; halides; salt solutions and organic compounds.

The characteristics and advantages of silicon carbide heat exchange tubes are remarkable. The straightness standard of silicon carbide heat exchange tubes is that the straightness (unit: mm/m) is less than or equal to 1.2%, and each heat exchange tube must pass the standard tube inspection before leaving the factory. The water pressure test standard of silicon carbide heat exchange tubes is that each silicon carbide tube undergoes a 100 Bar (60S) water pressure test to ensure reliability and safety. EN10204-3.1 certificates can be provided.

Silicon carbide heat exchange tubes are the core of shell and tube heat exchangers. Due to the excellent properties of silicon carbide such as corrosion resistance, high-temperature resistance, high thermal conductivity, high hardness, and wear resistance, silicon carbide heat exchangers are particularly suitable for harsh working environments such as high temperature, high pressure, strong acid and alkali corrosion, high-speed airflow scouring, and particle abrasion. It is an excellent high-performance alternative to graphite heat exchangers, stainless steel heat exchangers, metal tantalum heat exchangers, Hastelloy alloy heat exchangers, and fluoroplastic heat exchangers. Silicon carbide heat exchangers have excellent heat exchange efficiency. Compared with traditional heat exchanger equipment, the structure is more compact, the volume is smaller, and it saves 70% of the installation space compared to enameled glass heat exchangers (with the same heat transfer amount, the required heat exchange area is smaller). The Silicon Carbide heat exchange tubes are easily detachable and can be directly cleaned or inspected through the tube side, with low maintenance costs. Silicon Carbide heat exchange tubes truly represent a revolutionary advancement in the field of heat transfer technology.

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