Protection device for double-layer glass reaction kettle

The utility model discloses a protection device for a double-layer glass reaction kettle. The protection device comprises a glass reaction kettle and a bracket for supporting the glass reaction kettle, and is characterized in that a steel arc-shaped shell made of a stainless steel plate wraps the outer side of a barrel body of the glass reaction kettle, and a gap between the steel arc-shaped shell and the barrel body of the double-layer glass reaction kettle is filled with an arc-shaped high-temperature-resistant flexible and elastic heat preservation pad layer; moreover, three or more connection seats are arranged at the two edges for butting of the steel arc-shaped shell; pre-stress screw pull ribs are fixed in the two opposite connection seats in a penetrating manner; the steel arc-shaped shell is fixed by the pre-stress screw pull ribs; an anti-leakage material barrel is arranged at the bottom of the barrel body of the double-layer glass reaction kettle; the diameter of the anti-leakage material barrel is greater than the outer diameter of the double-layer glass reaction kettle and smaller than the inner diameter of the bracket for supporting the reaction kettle; furthermore, the volume of the anti-leakage material barrel is larger than the sizes of the inner cavities of the glass reaction kettle and a clamping slot. The protection device for the double-layer glass reaction kettle is reasonable in design, simple in structure, economical and practical, and is extremely high in protection performance and very suitable for popularization and implementation.