Vegetable oil deodorization system

Abstract

The invention relates to a vegetable oil deodorization system. A packing segment is arranged at the upper part of a deodorization tower; a plate tower segment is arranged at the lower part of the deodorization tower; the top of an upper shell is connected with packing segment vacuum-pumping pipes; plate tower segment vacuum-pumping pipes connected to a lower shell of the deodorization tower at the upper part of the plate tower segment are respectively connected with an overall vacuum-pumping pipe; a plurality of oil distribution holes are distributed in a baseplates of oil distribution disks of vacuum oil heat exchangers; the projections of all the oil distribution holes are uniformly distributed at the peripheries of upper pipe openings of array pipes of the corresponding heat exchangers; a plurality of sawtooth grooves are uniformly distributed in the circumferences of the upper pipe openings of the array pipes of all the heat exchangers; a deodorization distillate capturing tower is divided into an upper segment and a lower segment, gas phases of which are communicated; a vitamin E capturing packing layer is arranged at the lower part of the deodorization distillate capturing tower; a fatty acid capturing packing layer is arranged above the deodorization distillate capturing tower; the vitamin E capturing packing layer and the fatty acid capturing packing layer are respectively used for capturing vitamin E and fatty acid; a dry-type freezing condenser is formed by a plurality of primary condensers which are connected in parallel and then connected in series with secondary condensers; the arrangement spacing of refrigerant array pipes is gradually reduced along an air feeding direction. The vegetable oil deodorization system has a good deodorization effect and realizes energy conservation and environmental friendliness.

Description

technical field [0001] The invention relates to a vegetable oil deodorization system, which is used for deacidification and deodorization operations in vegetable oil refining, and belongs to the technical field of vegetable oil refining complete sets of equipment. Background technique [0002] In the vegetable oil refining process, it needs to go through the deodorization process to become the deodorized product oil. The deodorization process is usually completed in the deodorization tower, which is used to volatilize or evaporate the odorous substances in the vegetable oil, and the fraction extracted from the deodorization tower enters the deodorized fraction Capture tower for capture and recovery. The deodorization tower includes the upper shell of the deodorization tower and the lower shell of the deodorization tower connected to each other. The upper part of the upper shell of the deodorization tower is connected with the oil inlet pipe of the packing section. Until the...

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Problems solved by technology

Because the height of the deodorization tower is relatively high, the upper part is relatively close to the vacuum port, and the vacuum effect is better; due to the existence of air resistance, the lower part of the deodorization tower far away from the vacuum port has a poor vacuum effect, and the high-temperature oil is low. The vacuum environment is not only not conducive to the removal of low-component odor substances in the oil, but also easily leads to the polymerization of small molecular components in the oil, which affects the quality of the oil.

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