Fecha de publicación: 21/07/2010 Fuente: Wipo tomato The invention discloses a tomato skin, seed and residue dehydration drying and dry method skin and seed separation and combination production method in a tomato paste factory; the tomato skin, seed and residue obtained by pulping, peeling off and seed removal procedures in the tomato paste factory are used as raw materials, after wet skin, seed and residue are pre-dehydrated by adopting a squeezing method, a cocurrent rotary drum drier is adopted to dry the wet tomato skin, seed and residue with mixed skin and seed; and then a skin-seed rubbing dispersion device which is embedded between a material outlet of the drier and terminal dedusting equipment in series is adopted to separate the skin and seed; the separated skin is compressed to improve the density or high-pressure high-temperature disinfestation and sterilization is carried out to prepare into particles, and tomato seed crude oil and oil cakes are extracted from the separated seeds by adopting the equipment and technology in the existing vegetable oil plants, and the tomato seed crude oil is extracted only by degumming and deacidifying refining, in the way, the tomato skin, seed and residue can be processed in a large scale, so as to lead the comprehensive utilization of the tomato skin, seed and residue to realize industrial production; in addition, water does not need in the technology process, thereby greatly reducing the environmental protection of the tomato residue and completely eliminating the environment pollution of discharged waste water with high BOD and suspended matters in the technology of separating skin and seed with a wet process in the prior art; only degumming and deacidifying refining are carried out to the tomato seed crude oil, the decoloration and deodorization procedures in the deep refining are cancelled, so as to prevent oil rancidity, improve transparency and fully keep the commodity characteristics and nutritional components of the tomato seed oil.