Anticorrosive vacuum crystallization jar

The utility model discloses an anticorrosive vacuum crystallization jar, which comprises a tank body, jar internal wall is provided with rubber lining layer, and rubber lining layer keeps away from one side of jar internal wall and one side that rubber lining layer is close to jar internal wall all is provided with cement gum layer, and the one side of keeping away from the cement gum layer of one side of jar internal wall has linked firmly the glass steel sheet, and it still includes bolt and outsourcing glass steel, the bolt passes glass steel sheet, cement gum layer, rubber lining layer, jar internal wall and jar external wall in proper order, the bolt be located jar external one side link firmly can with the nut of the external wall of jar contact, outsourcing glass ladle covers outside the nut and nut of glass steel sheet, cement gum layer, bolt, is located jar one side of internal outsourcing glass steel and is connected, is located a jar one side of external outsourcing glass steel and a jar body wall?