The utility model relates to an use the dry distillation method to utilize walnut shell production to smoke a spices dry distillation device is smoked to walnut shell of spices. Including loading attachment, dry distillation device, condensing equipment and elution device, loading attachment, dry distillation device, condensing equipment and elution device are connected in order, are equipped with the vacuum pump between condensing equipment and the elution device. Loading attachment includes the casing, establish feed opening and the spiral reamer on the casing and carry out the driven motor to the spiral reamer, and the casing is diameter -adjustable structure, and the spiral reamer is the variable -pitch structure, and the vacuum pump passes through the pipeline and links to each other with condensing equipment and elution device, and the vacuum pump is equipped with the check valve with pipe connection department. Condensing equipment includes the spiral pipe and overlaps and establish the comdenstion water sleeve pipe outside the spiral pipe. The beneficial effects are that: can produce consecutively through this device and smoke spices, degree of automation is high, use manpower sparingly, and simple structure, the maintenance cost is low, is suitable for the production of the multiple condition, carries out recycle, favorable to the people benefiting the nation to the walnut shell.