Equipment mouth of pipe that anti -crystallization blockked up

The utility model discloses an equipment mouth of pipe that anti -crystallization blockked up, including establishing the mouth of pipe (1) on equipment (8), be equipped with heating device on the mouth of pipe (1), heating device includes jacket sleeve (2) and lets in the heat medium in jacket sleeve (2), and jacket sleeve (2) are overlapped outside the mouth of pipe (1), the both ends of jacket sleeve (2) respectively with the both ends fixed connection of the mouth of pipe (1), the both ends of jacket sleeve (2) still are equipped with the heat medium respectively and import and export (3, 4), heating device can also adopt heat tracing pipe (5), and wind on the mouth of pipe (1) surface along the solid fixed ring of the mouth of pipe axis heat tracing pipe (5), and the both ends of heat tracing pipe (5) still are equipped with the heat medium respectively and import and export (6, 7). The utility model discloses a condensation crystallization takes place and blocks up the mouth of pipe for the liquid phase