This equipment is designed and improved on the basis of graphite heat exchanger for acid regeneration system of iron and steel industry. It has the following characteristics:
1, good corrosion resistance. Resistant to acid corrosion rich in chloride and fluoride ions.
2, high heat exchange efficiency.
3, the wall is smooth, poor adhesion, not easy to scale.
4, adopt high quality graphite material, erosion resistance.
design parameter :
Design pressure: 0.6mpa
Design temperature: 0~160 ºC
Heat exchange area: 10~3000 m³
Range of application
The equipment can be used for condenser, cooler and steam heating not more than 120ºC, the specific design according to customer site and process requirements.
Market prospect
In recent years, the environmental protection situation is more and more serious, many chemical, environmental protection, steel and other industries, tail gas emissions are more and more strict, the requirements of equipment is more and more large, our products for this demand emerged. The equipment breaks through the limitation of graphite material and can be made into large equipment with low cost and reliable performance.
Silicon carbide heat exchanger has the following advantages:
1. Corrosion resistance: silicon carbide is a strong corrosion resistant material, which can resist the erosion of corrosive media such as high concentration nitric acid, mixed acid, alkali, oxidizer and organic chloric acid. Compared with traditional metal heat exchangers and stainless steel heat exchangers, silicon carbide heat exchangers have longer service life and better corrosion resistance.
2. High thermal conductivity: the thermal conductivity of silicon carbide is comparable to that of graphite, which is much higher than other materials, making it able to rapidly transfer heat under high temperature conditions and improve heat exchange efficiency.
3. High temperature resistance: silicon carbide has a high melting point and good high temperature stability, so that the heat exchanger can work normally in a high temperature environment, suitable for high temperature process.
4. Low thermal expansion coefficient: the thermal expansion coefficient of silicon carbide is low, which is conducive to maintaining dimensional stability when the temperature changes and reducing the stress and deformation caused by temperature changes.
5. High strength and oxidation resistance: silicon carbide has high strength and oxidation resistance, can withstand the use of high pressure, high flow rate and high temperature and other conditions, and is not vulnerable to oxidative damage.
6. Light weight and miniaturization: silicon carbide heat exchangers are lighter than metal heat exchangers, which is conducive to the miniaturization and portability of equipment, reducing installation and transportation costs.
7. Clean and environmental protection: The surface of silicon carbide heat exchanger is smooth, not easy to scale, reducing the resistance to the fluid, which is conducive to keeping the fluid clean and reducing maintenance costs.
In short, silicon carbide heat exchangers have significant advantages in corrosion resistance, high temperature performance, thermal conductivity, light weight and miniaturization, and can be widely used in high temperature, high pressure and high corrosion conditions in petroleum, chemical industry, metallurgy, aviation, aerospace and other fields.
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