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A device for extracting n-hexane from vegetable mixed oil

A technology of vegetable mixed oil and n-hexane, applied in the fields of hydrocarbon, fat oil/fat refining, hydrocarbon purification/separation, etc., can solve the problems of increased processing load and increased operating cost, and achieves reduction of equipment operating load and steam reduction. The effect of usage and production cost reduction

Active Publication Date: 2015-12-23
南通家惠油脂发展有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although this technology has been maturely applied, it does not classify the vegetable mixed oil directly because it directly processes the evaporation of the vegetable mixed oil. When the low-concentration vegetable mixed oil has many evaporated components, the processing load is increased when using this process. , resulting in increased operating costs

Method used

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  • A device for extracting n-hexane from vegetable mixed oil
  • A device for extracting n-hexane from vegetable mixed oil

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Embodiment Construction

[0017] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0018] Such as figure 1 As shown, the device for refining normal hexane in the vegetable mixed oil of this embodiment includes an evaporator, and the device also includes a steam compressor 4 and a vapor-liquid separator, and the evaporator is composed of the first evaporator 2 and the second evaporator 5, the vapor-liquid separator is composed of the first vapor-liquid separator 3 and the second vapor-liquid separator 6, and the vegetable mixed oil tank 1 equipped with vegetable mixed oil is exchanged with the first evaporator 2 through the pipeline. The tube inlet is connected, the heat exchange tube outlet of the first evaporator 2 is connected with the inlet of the first vapor-liquid separator 3 through a pipeline, and the gas phase outlet 31 of the first vapor-liquid separator 3 is connected with the steam compressor 4 through a pipeline....

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Abstract

The invention discloses a device for extracting n-hexane from plant mixed oil. The device comprises a plant mixed oil tank (1), a steam compressor (4), a first evaporator (2), a second evaporator (5), a first steam-liquid separator (3) and a second steam-liquid separator (6), wherein the plant mixed oil tank (1) is correspondingly connected with equipment by virtue of a pipe, the liquid-phase outlet of the second steam-liquid separator (6) is connected with a steam stripping tower (7) by virtue of a pipeline, an inner cavity outlet (22) of the first evaporator (2), which is communicated with an inner cavity in the first evaporator (2), is connected with an inlet of a condensate tank (8) by virtue of the pipeline, and an inner cavity outlet (52) of the second evaporator (5), which is communicated with an inner cavity in the second evaporator (5), is connected with the inlet of the condensate tank (8) by virtue of the pipeline; liquid condensed in the condensate tank (8) is n-hexane liquid. The device disclosed by the invention is reasonable in structure design, can greatly reduce the running load and cost of the equipment, is stable in evaporation process, can ensure the grease quality and meet the energy conservation and environment protection requirements, and has relatively good economic benefits.

Description

technical field [0001] The invention relates to a device for extracting n-hexane from vegetable mixed oil, that is, a device for treating low-concentration vegetable mixed oil and evaporating and refining n-hexane therein. Background technique [0002] During the use of oil products, a large amount of vegetable mixed oil will evaporate, and the oil itself will pollute the land and waters, and the impurities contained in it will cause great harm to human health and the ecological environment, especially the low concentration oil products, due to It is volatile and more easily enters the surrounding environment and causes serious pollution to the environment. The evaporated components of this kind of vegetable mixed oil are very complicated. During the collection process, they are roughly divided into low concentration (density less than 1.0g / cm 3 ) and high concentration (density greater than 1.0g / cm 3 ) Vegetable mixed oil evaporates. [0003] The existing application num...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07C7/00C07C9/15C11B3/12
Inventor 蔡扬何光范
Owner 南通家惠油脂发展有限公司
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