Glass-lined reactor and manufacturing method thereof

A glass lined reaction tank, comprising a tank body (2) and a tank cover (5), the tank body (2) being an integral structure and comprising an inner cylinder body (3) and an outer jacket (4), and characterized in that the inner cylinder body (3) comprises a first reinforcing ring body (3b), a straight cylinder body (3a1), a seal head (3a2) and a discharge outlet flange (3a3), an upper mouth of the straight cylinder body (3a1) is flanged to form a first big flange (3a4), the first reinforcing ring body (3b) is in close fit with an outer circumference of the straight cylinder body (3a1) and is welded below the first big flange (3a4), the straight cylinder body (3a1) is connected with the seal head (3a2), the discharge outlet flange (3a3) is arranged at a lower mouth of the seal head (3a2), and the straight cylinder body (3a1), the seal head (3a2), the discharge flange (3a3) and the first reinforcing ring body (3b) are welded and combined to form an integral structure;

• the outer jacket (4) comprises a jacket body (4.1) with a closing mouth (4.1.1) and an outer jacket seal head (4.2) with an inner ring type closing mouth structure (4.2.1), and the jacket body (4.1) with the closing mouth and the outer jacket seal head (4.2) with the inner ring type closing mouth structure are welded and combined to form an integral structure;
• the outer jacket (4) is welded outside the inner cylinder body (3), the outer jacket (4) and the inner cylinder body form an integral structure, and a chamber (20) is formed between the outer jacket (4) and the inner cylinder body (3);
• and glass lining layers (19) are respectively coated and sintered on an inner wall of the inner cylinder body (3), a first big flange surface, a discharge outlet flange surface, an outer wall of the inner cylinder body (3), an inner wall of the outer jacket, an inner wall of the tank cover (5) and a flange surface.