Extraction method and equipment of citrus aurantium flower, leaf and fruit essential oil

The invention discloses an extraction method and extraction equipment of citrus aurantium flower, leaf and fruit essential oil. The extraction method of citrus aurantium flower, leaf and fruit essential oil comprises the following steps of: 1) adding citrus aurantium flower/leaf/fruit into purified water for pulping, freezing the pulped pulp in an environment of -40 DEG C to -20 DEG C for 10-49 hours, and then filtering the frozen mixture at -10 DEG C to 0 DEG C to obtain a filtrate and filter residues; and 2) dehydrating the filtrate to obtain the citrus aurantium flower/leaf/fruit essentialoil. According to the method for extracting the citrus aurantium flower, leaf and fruit essential oil, the essential oil is dissolved out, extracted and separated by adopting a freezing method; compared with a traditional water vapor extraction method, the method has the advantages that no heat is needed, essential oil components cannot be subjected to thermal damage, the original fragrance and effects of citrus aurantium