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A technology of oil deodorization and steam stripping, which is applied in the direction of edible oil/fat, fat oil/fat refining, and fat production. Deodorization time, reduce plant construction cost, and reduce floor area
Active Publication Date: 2013-04-24
SHANGHAI JIAOER ENG TECH
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However, this also brings about the problem of pressure drop in the packing layer, resulting in a relatively poor vacuum degree in the lower part of the tower, so the quality of the oil produced is unstable, and problems of color and aftertaste are prone to occur;
[0015] (5) In order to overcome the shortcomings of the above-mentioned packed tray combination tower, someone invented the "divided tower", which is characterized in that a section of the tray tower is divided into two chambers in the diameter direction, and one chamber is set as a packed tower. The other chamber is set up as a tray tower, and the refined oil is deodorized in the tray tower under a relatively low vacuum before leaving the tower, so that the efficient deacidification of the packing is utilized, and the pressure drop of the packing layer will not It affects the vacuum degree in the plate tower. This design improves the shortcomings of the combined tower, but the tower uses semi-circular packing, the equipment structure is complicated, maintenance is inconvenient, and the cost of the equipment is relatively expensive.
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Embodiment 1
[0048] This embodiment provides a grease deodorization device.
[0049] Such as figure 1 As shown, this embodiment includes: a tower body 1, a multi-layer tray 4 arranged inside the tower body 1, and several packing stripping pump mechanisms arranged on each layer of tray 4, and any packing stripping The pump mechanisms all include a stripping pump 3 and a packing 2 , the stripping pump 3 is arranged on the tray 4 , and the packing 2 is arranged on the top of the stripping pump 3 .
[0050] Further, this embodiment also includes the following structures:
[0051] - The oil inlet pipeline 6, the oil inlet pipeline 6 is connected to the top of the tower body 1, and its oil inlet is arranged on the outside of the tower body 1;
[0052] - the oil outlet pipeline 7, the oil outlet pipeline 7 is connected to the bottom of the tower body 1, and its oil outlet 7 is arranged outside the tower body 1;
[0053] -direct steam pipeline 5, described direct steam pipeline 5 is provided wi...
Embodiment 2
[0069] This embodiment provides a packing stripping pump mechanism used in the grease deodorization device of Embodiment 1.
[0070] This embodiment includes a stripping pump and packing, and the packing is arranged on the top of the stripping pump.
[0071] The packing is arranged in a cavity at the top of the stripping pump, and the cavity is a hollow cube, a hollow cuboid, a hollow cylinder or a hollow trapezoid.
[0072] An opening is provided on the side of the cavity to facilitate gas-liquid separation.
[0073] A through hole is provided below the cavity, and the through hole is directly connected to the outlet provided on the top of the stripping pump.
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Abstract
The invention discloses an oil deodorization device, comprising a tower body, a multilayer tower disc and a plurality of packing stripping pump mechanisms, wherein each packing stripping pump mechanism comprise a stripping pump and a packing, the stripping pump is arranged on the tower disc, and the packing is arranged at the top end of the stripping pump. The invention further discloses a deodorization method of the oil deodorization device, comprising the following steps of: vacuumizing the interior of the tower; injecting vegetable oil in the tower body via a centrifugal pump; opening the tower body and directly conveying steam in the stripping pump; lifting the vegetable oil into the packing at the top of the stripping pump from the bottom of the tower disc, separating a steam phase from a liquid phase in the packing; continuously lifting the vegetable oil on the bottom of the tower disc into the packing at the top of the stripping pump and separating; and extracting odour substances out of the tower with a gas phase via a vacuum tube, and pumping the pure and high-quality vegetable oil out of the tower body from the bottom of the tower body via a shield pump. According to the oil deodorization device and the deodorization thereof disclosed by the invention, deodorization consumption and cost are reduced, and the characteristics of energy conservation and consumption reduction are achieved; deodorization time, investment cost, the floor area of equipment, and construction cost are reduced; and deodorization efficiency is high, and the quality of refined oil product is improved.
Description
technical field [0001] The invention relates to an edible oil refining and deodorizing section in the technical field of edible oil processing, in particular to an oil deodorizing device, a deodorizing method thereof, and a packing stripping pump mechanism. Background technique [0002] During the processing of edible oils and fats, due to the oxidation of air and metal ions such as iron and copper accompanied by a small amount of water in the oils, the oils will be corrupted, resulting in the production of fatty acids, hydroxy acids and other substances. At the same time, it may also cause protein deterioration, resulting in stink. Therefore, for the processing of edible oils and fats, a key step is deodorization. [0003] The so-called deodorization is the process of using the difference in volatility of odorous substances and triglycerides in oil to remove odorous substances by means of steam distillation under high temperature and high vacuum conditions. The odorous su...
Claims
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Application Information
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