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A method for rapid and continuous saponification of oil

A technology for oil and saponification, applied in chemical instruments and methods, soap solution manufacturing, detergent compositions, etc., can solve the problems of unstable product quality, high production cost, low production efficiency, etc., to ensure saponification rate and product quality. High quality, fast response speed, and the effect of improving production efficiency

Active Publication Date: 2017-08-18
YIHAI DONGGUAN OIL & CHEM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Similarly, the energy consumption of such a process is still relatively high, and there is sewage discharge, which will cause environmental pollution, and the production efficiency is low, and the quality of the produced products is not stable at the same time.
At present, the saponification process adopted by some large companies is a continuous saponification process in which oil is hydrolyzed into fatty acids, then purified by distillation, and then neutralized with alkali. The quality of the products produced in this way is stable and the production efficiency is also high. and distillation process, which makes the production cost very high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] A method for rapid continuous saponification of oil, consisting of the following steps:

[0040] A. Mixing: Mix the oil and fatty acid evenly in proportion to obtain a mixed solution;

[0041] B. Saponification: The mixed solution is heated to 100°C through an acid plate heat exchanger, and the liquid caustic soda is heated to 80°C through an alkali plate heat exchanger, and the heated mixed liquor is mixed with the heated liquid caustic soda for saponification reaction, and Add the saline solution in which the additive is dissolved, and the soap base is obtained after the saponification reaction is complete;

[0042] C. Soap granule forming: the soap base is vacuum spray-dried, extruded, homogenized, refined and diced to obtain soap granules;

[0043] Wherein, the feed intake of the oil and fatty acid is calculated in parts by weight: 80 parts of oil and 20 parts of fatty acid.

[0044] In the step A, based on the total amount of input fatty acid, the sum of the cont...

Embodiment 2

[0050] A method for rapid continuous saponification of oil, consisting of the following steps:

[0051] A. Mixing: Mix the oil and fatty acid evenly in proportion to obtain a mixed solution;

[0052] B. Saponification: The mixed solution is heated to 102°C through an acid plate heat exchanger, and the liquid caustic soda is heated to 82°C through an alkali plate heat exchanger. After the heated mixed liquor is mixed with the heated liquid caustic soda, the saponification reaction is carried out, and Add the saline solution in which the additive is dissolved, and the soap base is obtained after the saponification reaction is complete;

[0053] C. Soap granule forming: the soap base is vacuum spray-dried, extruded, homogenized, refined and diced to obtain soap granules;

[0054] Wherein, the feed intake of the oil and fatty acid is calculated in parts by weight: 75 parts of oil and 25 parts of fatty acid.

[0055] In the step A, based on the total amount of input fatty acid, t...

Embodiment 3

[0061] A method for rapid continuous saponification of oil, consisting of the following steps:

[0062] A. Mixing: Mix the oil and fatty acid evenly in proportion to obtain a mixed solution;

[0063] B. Saponification: The mixed solution is heated to 105°C through an acid plate heat exchanger, and the liquid caustic soda is heated to 85°C through an alkali plate heat exchanger. After the heated mixed liquor is mixed with the heated liquid caustic soda, saponification reaction is carried out, and Add the saline solution in which the additive is dissolved, and the soap base is obtained after the saponification reaction is complete;

[0064] C. Soap granule forming: the soap base is vacuum spray-dried, extruded, homogenized, refined and diced to obtain soap granules;

[0065] Wherein, the feed intake of the oil and fatty acid is calculated in parts by weight: 80 parts of oil and 20 parts of fatty acid.

[0066] In the step A, based on the total amount of input fatty acid, the s...

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Abstract

The invention relates to the technical field of soap making, and particularly relates to a method for fast and continuously saponifying grease. The method sequentially comprises the following steps: A, blending, namely uniformly mixing the grease and fatty acid in proportion to obtain mixed liquor; B, saponification, namely respectively heating the mixed liquor and liquid caustic soda, mixing the heated mixed liquor and the heated liquid caustic soda to carry out saponification reaction, and adding to a brine solution with an additive so as to obtain a soap base after the saponification reaction is completed; C, soap pellet forming, namely carrying out vacuum spray drying, extrusion, homogenization, refining and pellet cutting on the soap base to obtain a soap pellet, wherein 60-80 parts by weight of the grease and 20-40 parts by weight of the fatty acid are fed. The saponification method disclosed by the invention has the advantages of continuity, stability, fast reaction rate, short reaction time, high production efficiency, less energy consumption, low production cost and large-scale industrial production.

Description

technical field [0001] The invention relates to the field of oil saponification, in particular to a method for rapid and continuous saponification of oil. Background technique [0002] Saponification reaction usually refers to the reaction of base (usually strong base) and ester to produce alcohol and carboxylate, especially the reaction of oil and base. In a narrow sense, the saponification reaction is limited to the reaction of oil mixed with sodium hydroxide or potassium hydroxide to obtain sodium / potassium salts of higher fatty acids and glycerin. This reaction is a step in the soap-making process, hence the name. [0003] In the oil industry, the traditional saponification method is the method of boiling soap in a large pot. This method consumes high raw materials, has low production efficiency and unstable product quality, and is gradually being eliminated. There is a conventional oil continuous saponification process, which continuously converts oil, caustic soda an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C11D13/00
Inventor 刘佐周吉谷黄术梅邓文彪
Owner YIHAI DONGGUAN OIL & CHEM IND
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