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Quenched tower material is impregnated graphite, spray device is installed above, water jacket is installed on the outer wall. High temperature flue gas can be rapidly cooled after graphite quench tower, and then enter the follow-up processing section to meet the environmental emission standards. For details, please contact our company technical contact, tailored for you.
The quench tower made of impermeable graphite is usually used for rapid cooling of high temperature gases (corrosive flue gas, waste incineration gas containing chlorine).
Urgent but principle: 1, spray liquid vaporization away heat; 2, graphite wall heat transfer away heat; 3, spray liquid temperature is lower than the gas temperature, mutual heat conversion. In operation. Gas and liquid flow direction is generally countercurrent. Liquid from the top of the tower through the spray device evenly sprinkling down, gas from the bottom of the tower evenly rising, gas and liquid two phases through the surface of the filler contact each other, so as to carry out heat and mass transfer.
Graphite quench tower is characterized by simple structure, convenient manufacture, large pressure drop, strong adaptability and large processing capacity.
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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