Heat exchanger, ceramic as well as preparation method and application of ceramic

• Main Authors: FU CHAO, WU ZELIN, REN ZHIHENG, ZHU KAI
• Format: Patent
• Language: Chinese; English
• Published: 12.04.2022
• Subjects: ARTIFICIAL STONE; BLASTING; CEMENTS; CERAMICS; CHEMISTRY; COMBUSTION ENGINES; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; CONCRETE; HEATING; HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINEPLANTS; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; LIGHTING; LIME, MAGNESIA; MECHANICAL ENGINEERING; METALLURGY; NOT OTHERWISE PROVIDED FOR; REFRACTORIES; SLAG; TREATMENT OF NATURAL STONE; USE OF WASTE HEAT OF COMBUSTION ENGINES; WEAPONS

The invention discloses a heat exchanger, ceramic and a preparation method and application thereof, and belongs to the field of heat exchangers. The method for manufacturing the heat exchanger comprises the following steps: providing a substrate, wherein the substrate is provided with a porous polymer template and a covering layer combined with the polymer template; wherein the coating layer mainly comprises silicon carbide, silicon and a high polymer material in a mixed state, and the high polymer template and the high polymer material can be carbonized through thermal cracking; and pyrolyzing the substrate in a vacuum or inert atmosphere and sintering after the pyrolyzing, so that the silicon reacts with carbon generated in the pyrolyzing process to be converted into silicon carbide. The heat exchanger obtained through the method is mainly a silicon carbide phase, so that the heat exchanger has the advantages of corrosion resistance, heat conduction, high strength and the like, and can provide longer servic