Processing method of corn oil nigre

A treatment method and technology of corn oil, which is applied in the field of corn oil soapstock treatment and oil corn oil soapstock treatment, can solve the problems of increased environmental protection costs of factories, and achieve the effect of saving transportation costs and reducing losses

Active Publication Date: 2014-11-05
SHANDONG SANXING CORN IND SCI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Therefore, it is necessary to find a more economical treatment and utilization method of corn oil soapstock, otherwise the environmental protection cost of the factory will increase greatly

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Mix corn germ meal and corn oil soapstock at a ratio of 1:3, and stir evenly. Send the mixture of corn oil soapstock and corn germ evenly stirred into the granulator, and the diameter of the formed material is 3 mm, and the water content is 40%.

[0030] The formed material is dried by a meal roasting machine, the drying temperature is 120°C, and the moisture content after drying is 0.3%. The mass ratio of solvent to material is 1:1. It enters the extractor through the scraper and the sealing auger for leaching. The material is sprayed and soaked in a solvent cycle to form a mixed oil. Spray 6 times in total, the first 5 times are leached with mixed oil, the gradient oil concentration of mixed oil is 30%, 25%, 20%, 15%, 10%, and the 6th time is leached with fresh acetone. Spray for 5 minutes each time. The drained material goes through the scraper, seals the feed auger and enters the steamer for desolventization, and then is sent to the meal storage by the discharge...

Embodiment 2

[0035] Mix corn germ meal and corn oil soapstock at a ratio of 1:4, and stir evenly. The evenly stirred mixture of corn oil soapstock and corn germ is fed into the granulator, and the diameter of the formed material is 4 mm, and the water content is 45%.

[0036] The formed material is dried by a meal roasting machine, the drying temperature is 130°C, and the moisture content after drying is 3%. The mass ratio of solvent to material is 0.5:1. It enters the extractor through the scraper and the sealing auger for leaching. The material is sprayed and soaked in a solvent cycle to form a mixed oil. Spray 6 times in total, the first 5 times are leached with mixed oil, the gradient oil concentration of mixed oil is 30%, 25%, 20%, 15%, 10%, and the 6th time is leached with fresh acetone. Spray for 5 minutes each time. The drained material goes through the scraper, seals the feed auger and enters the steamer for desolventization, and then is sent to the meal storage by the dischar...

Embodiment 3

[0041] Mix corn germ meal and corn oil soapstock at a ratio of 1:6, and stir evenly. Send the mixture of corn oil soapstock and corn germ evenly stirred into the granulator, and the diameter of the formed material is 6 mm, and the water content is 50%.

[0042] The formed material is dried by a meal baking machine. The drying temperature is 150°C, the moisture after drying is 6%, the mass ratio of solvent to material is 1.2:1, and it enters the extractor for leaching through the scraper and sealing auger. The material is sprayed and soaked in a solvent cycle to form a mixed oil. Spray 6 times in total, the first 5 times are leached with mixed oil, the gradient oil concentration of mixed oil is 30%, 25%, 20%, 15%, 10%, and the 6th time is leached with fresh acetone. Spray for 5 minutes each time. The drained material goes through the scraper, seals the feed auger and enters the steamer for desolventization, and then is sent to the meal storage by the discharge auger.

[0043...

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Abstract

The invention relates to a processing method of corn oil nigre. The processing method comprises the following steps: mixing corn oil nigre and corn germ meal; granulating and forming a mixture of the corn oil nigre and the corn germ meal; leaching a material after granulating and forming; evaporating leached oil; condensing and recycling a solvent. According to the processing method of the corn oil nigre, more than 80% of grease in the corn oil nigre can be extracted, and the loss of the oil and fat during the refining process is reduced; solid meal after the grease are completely extracted can be taken as an animal feed, so that the nigre is completely utilized, the processing process is free of pollution, and the environment-friendly cost of processing the nigre by enterprises is reduced.

Description

technical field [0001] The invention belongs to the technical field of oil and corn oil soapstock treatment, and in particular relates to a corn oil soapstock treatment method. Background technique [0002] Corn oil soapstock is in the process of alkali refining, as the neutralization reaction continues, the alkali droplets surrounded in the soap film, affected by the concentration difference, continue to diffuse to the outer layer of the hydrated soap film, and continue to interact with free fatty acids The reaction makes the soap film thicker and gradually forms a relatively stable colloidal ion film. This film is a surface active substance that can absorb impurities such as colloids and pigments in the crude oil, and can be absorbed by the electrolyte, temperature and stirring. Under the action, they attract each other and flocculate into micelles, which grow from small to large, forming "soap feet", and separate and settle from the oil. [0003] Corn oil soapstock is a ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C11B13/02C11B3/00
CPCY02W30/74
Inventor 王明星王月华王萍白美霞
Owner SHANDONG SANXING CORN IND SCI CO LTD
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