Structural system:1) Quickly replace the heater with a radiant tube or other heating method2) Imported thermocouple, accurate temperature control and high service life3) Quantitative pump lift impeller design, maintenance time every day4) The transmission tube is made of special corrosion-resistant material, which is clamshell design and easy to clean.5) Anti-blocking elbow design (patent: ZL201120322157.8)6) Quick release heater design (patent: ZL201120322188.3)7) Preheater adopts clamping mechanism to make liquid level control stable and accurate feeding (patent: ZL201420137471.2)