Magnesium alloy gas furnace structural system:1) The concrete made of special composite steel plate does not pollute the magnesium liquid, has anti-corrosion structure inside, and has long service life.2) Using natural gas and other heating methods, automatic flame detection, automatic power adjustment, gas automatic gas shutoff protection.3) The automatic thermal cycle control of the burner improves the gas utilization rate, and the natural gas usage is controlled within 80M3/T.4) Stainless steel casing and panel, corrosion resistant, high temperature resistant5) Imported thermocouple, accurate temperature control and high service life6) Quantitative pump instantaneous flow design, maintenance time of more than 30 days7) The transmission tube is made of special corrosion-resistant materials, which can be quickly changed, and the maintenance time is more than 30 days.8) Preheater adopts clamping mechanism to make liquid level control stable and accurate feeding9) Preheating machine uses residual heat for reuse, and the preheating effect is good.