Preparation method of lacquer tree seed wax oil

A technology for sumac seeds and wood wax oil, which is applied in the recovery/refining of fatty substances and the production of fat, can solve the problems of unfavorable continuous production, difficult separation of sumac seeds, large solvent consumption, etc., and achieves easy automatic continuous production, The equipment process is simple and mature, and the solvent consumption is easy.

Inactive Publication Date: 2014-06-11
云南省轻工业科学研究院有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008](1) Sumac seeds are not easy to separate, easy to stick, and serious clogging is not conducive to continuous production;
[0009](2) The solvent consumes a lot and the energy consumption of separation and recovery is high. The solvent is volatile, flammable, explosive, and unsafe to use;
[0010](3) Higher solvent costs;
[0011](4) The extraction process is more complicated, not suitable for large-scale solid-liquid separation, and the equipment cost is higher;
[0012](5) The separation efficiency of lacquer seeds and the intact rate of nucleolus are low, generally around 85%

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Example 1, The preparation method of sumac seed wood wax oil, concrete technology is as follows:

[0040] (1) Pre-cool sumac seeds: collect fresh and mold-free sumac seeds, and then pre-freeze them at -25°C for 2 hours;

[0041] (2) After pre-cooling, put the sumac seeds into the pre-cooling tank for pre-cooling and dust removal at -10°C for 5 minutes;

[0042] (3) Pre-cool the sumac seeds after dedusting at -3°C and place them on the seed rubbing machine, rub the sumac seeds for 30 minutes at a pressure of 0.5kg and a rotating speed of 20r / min;

[0043](4) The rubbed sumac seeds are screened through a vibrating sieve, and the screened sumac seed cortex and nucleolus are collected separately;

[0044] (5) Crushing the sumac seed bark to a particle size of 0.1mm;

[0045] (6) The sumac seed cortex powder is air-sent and air-separated by a cyclone separator under the conditions of wind speed 10m / s, inlet pressure 200Pa, and outlet pressure -10Pa to obtain a waxy layer;...

Embodiment 2

[0049] Example 2, The preparation method of sumac seed wood wax oil, concrete technology is as follows:

[0050] (1) Pre-cooling sumac seeds: collect fresh and mold-free sumac seeds, and then pre-freeze them at -10°C for 30 hours;

[0051] (2) After pre-cooling, put the sumac seeds into the pre-cooling tank for pre-cooling and dedusting at 5°C for 45 minutes;

[0052] (3) Pre-cool the sumac seeds after dedusting at 5°C and place them on a seed rubbing machine, rub the sumac seeds for 5 minutes at a pressure of 15kg and a turntable speed of 300r / min;

[0053] (4) The rubbed sumac seeds are screened through a vibrating sieve, and the screened sumac seed cortex and nucleolus are collected separately;

[0054] (5) Crushing the sumac seed bark to a particle size of 1mm;

[0055] (6) The sumac seed cortex powder is air-sent and air-selected by a cyclone separator under the conditions of wind speed 30m / s, inlet pressure 800Pa, and outlet pressure -30Pa to obtain a waxy layer;

...

Embodiment 3

[0059] Example 3, The preparation method of sumac seed wood wax oil, concrete technology is as follows:

[0060] (1) Pre-cooling sumac seeds: collect fresh and mold-free sumac seeds, and then pre-freeze them at -15°C for 15 hours;

[0061] (2) After pre-cooling, put the sumac seeds into the pre-cooling tank for pre-cooling and dedusting at 0°C for 25 minutes;

[0062] (3) Pre-cool the sumac seeds after dedusting at 0°C and place them on a seed rubbing machine, rub the sumac seeds for 10 minutes at a pressure of 5kg and a turntable speed of 100r / min;

[0063] (4) The rubbed sumac seeds are screened through a vibrating sieve, and the screened sumac seed cortex and nucleolus are collected separately;

[0064] (5) Crushing the sumac seed bark to a particle size of 0.5 mm;

[0065] (6) The sumac seed cortex powder is air-sent and air-selected by a cyclone separator under the conditions of wind speed 20m / s, inlet pressure 500Pa, and outlet pressure -20Pa to obtain a waxy layer; ...

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Abstract

The invention discloses a preparation method of lacquer tree seed wax oil. The preparation method comprises the following steps: cooling lacquer tree seeds, rubbing the seeds, screening, crushing, pneumatically conveying and selecting, cooking, solvent extracting, filtering, separating and finally obtaining the lacquer tree seed wax oil. The preparation method of the lacquer tree seed wax oil can enable preparation, extraction and separation of the lacquer tree seed wax oil to be continuous, improves production efficiency, material utilization rate and wax quality, and improves wax market competitiveness. By applying the method, the husk-core separating efficiency of the lacquer tree seeds reaches over 95%, and the lacquer tree seed core perfectness ratio reaches over 90%; and moreover, compared with the existing separating method, the whole set of process flow is reliable in operation and strong in economical efficiency, so that processing cost for per tonnage of seeds is lowered by over 15%.

Description

technical field [0001] The invention relates to the field of plant resource processing, in particular to a method for preparing sumac wax oil. Background technique [0002] Sumac seeds are renewable resources with high development value. The wax content of tree seeds reaches more than 35%, which mainly exists in the pulp part, usually called the wax layer. The wax contained in it has a melting point of 50-55°C and is solid at room temperature. It is purified and refined into Chinese wood wax. The lacquer seed core is almost free of wax, with an oil content of 12%-15%. The extract is liquid at room temperature, and the content of unsaturated fatty acids (oleic acid, linoleic acid) is as high as 80%. It is a good edible vegetable oil. The crude protein content of lacquer seeds reaches 20%, the crude fiber content reaches 19%, and the protein and crude fiber content of its cake is higher than 31%, which is a high-quality feed source. [0003] Japan is a pioneer in the develop...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B11/00
Inventor 周力平高正卿和智明陈勇王忠良杨嘉科
Owner 云南省轻工业科学研究院有限公司
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