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Oil and fat refining process

A process and oil technology, applied in the field of oil refining technology, can solve the problems of poor oil quality and incomplete process, and achieve the effects of reducing oil content, improving social benefits, and improving hydration effect.

Inactive Publication Date: 2014-12-24
ANHUI ZHONGSHENG EDIBLE OIL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the invention process is not complete, and does not involve the decolorization and deodorization process of oil, and the quality of oil after refining is poor

Method used

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  • Oil and fat refining process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Take 1000kg of crude vegetable oil, first pass the crude oil through a crude oil filter to remove impurities, then enter the plate steam heater, heat it to 75°C, add 2.8kg of 80% phosphoric acid and mix it, then send it to the acid reaction tank, stay for 15min, and then transport it to the plate steam heater. Cool the water cooler to 60°C, add dilute lye, the concentration of lye is 10°Be', mix and enter the neutralization reaction tank, the reaction temperature is 60°C, stay for 30min, enter the centrifuge for separation, and the separated oil enters the vacuum The dryer is dehydrated and transferred to the decolorization section. The degummed alkali refining oil is sent to the plate heater through the conveying pump, heated to 115°C, enters the clay mixing tank and mixed with the quantitative clay for 15 minutes, then overflows into the decolorizing tower, stays for 30 minutes, and is transported into the decolorization tower through the conveying pump. The vertical f...

Embodiment 2

[0017] Take 1000kg of crude vegetable oil, first pass the crude oil through a crude oil filter to remove impurities, then enter the plate steam heater, heat it to 78°C, add 2.9kg of 80% phosphoric acid and mix it, then send it to the acid reaction tank, stay for 20min, and then transport it to the plate steam heater. Cool the water cooler to 70°C, add dilute lye, the concentration of lye is 20°Be', mix and enter the neutralization reaction tank, the reaction temperature is 63°C, stay for 40min, enter the centrifuge for separation, and the separated oil enters the vacuum The dryer is dehydrated and transferred to the decolorization section. The degumming alkali refining oil is sent to the plate heater through the conveying pump, heated to 120°C, enters the clay mixing tank and mixed with the quantitative clay for 20 minutes, overflows into the decolorizing tower, stays for 40 minutes, and is transported into the decolorization tower through the conveying pump. The vertical filte...

Embodiment 3

[0019] Take 1000kg of crude vegetable oil, first pass the crude oil through a crude oil filter to remove impurities, then enter the plate steam heater, heat to 80°C, add 3kg of 80% phosphoric acid and mix, send it to the acid reaction tank, stay for 30min, and then transport it to the plate water Cool the cooler to 75°C, add dilute lye, the concentration of lye is 24°Be', mix and enter the neutralization reaction tank, the reaction temperature is 65°C, stay for 45min, enter the centrifuge for separation, and the separated oil enters the vacuum drying After dehydration in the machine, it is transferred to the decolorization section. The degumming alkali refining oil is sent to the plate heater through the conveying pump, heated to 130°C, enters the clay mixing tank and mixed with the quantitative clay for 30 minutes, then overflows into the decolorization tower, stays for 45 minutes, and is transported into the vertical tank by the conveying pump. The oil and white clay are sepa...

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Abstract

The invention provides an oil and fat refining process which comprises the following steps: a degumming and alkali refining process, a decoloring process and a deodorizing process, wherein a proper amount of phosphoric acid is added in the degumming and alkali refining process, so that non-hydrated phospholipid is converted into hydrated phospholipid, the sedimentation velocity of the phospholipid is accelerated, the oil content of oil feet is reduced, and the hydration effect is enhanced; and a clay regeneration process is added in the decoloring process, so that waste clay is prevented from becoming an industrial waste residue, and an even more important fact is that the recycling of the clay not only has better social benefit in environmental protection and treatment of three wastes, but also has certain economic benefit.

Description

technical field [0001] The invention relates to oil technology, in particular to an oil refining process. Background technique [0002] Oil refining refers to a series of processes for removing solid impurities, free fatty acids, phospholipids, colloids, waxes, pigments, and odors contained in vegetable oil. In the past ten years, with the large-scale development of edible oil factories, edible oil refining technology has developed rapidly, and oil processing has become an extremely important industry. However, since crude oil and refined oil products are processed with low profits, it is particularly important to reduce production costs and save energy. At the same time, it has become an important topic to reduce the impact on the environment and effectively utilize waste in oil refining. In addition, people continue to put forward new requirements for the quality and quality of edible oil. In addition to improving the sensory quality and high stability, edible oil must a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B3/00C11B3/04C11B3/10C11B3/12
Inventor 王庆彬
Owner ANHUI ZHONGSHENG EDIBLE OIL TECH
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