D4 rapid gasification device suitable for OVD process

The D4 rapid gasification device comprises an evaporator, an inner heating assembly, an outer heating assembly and a D4 atomization connector, and the evaporator is of a cylindrical structure with an upper opening and a lower opening; the inner heating assembly is arranged in the evaporator, the top of the inner heating assembly is detachably connected with an upper port of the evaporator, and the top of the inner heating assembly is connected with a gasification D4 outlet piece; the outer heater is coaxially mounted outside the evaporator in a full-length manner; a bottom cover is installed at the lower end of the evaporator, the D4 atomization connector is connected with the bottom cover, and the outlet end of the D4 atomization connector penetrates through the bottom cover and then is communicated with the interior of the evaporator. The D4 gasification device has the beneficial effects that the heaters are arranged inside and outside the evaporator, D4 in the evaporation cavity is heated through the inner