CN103320219B - Impurity separation method before evaporation of mixed oil obtained by leaching of cold-pressed oil-tea seed cake - Google Patents
Impurity separation method before evaporation of mixed oil obtained by leaching of cold-pressed oil-tea seed cake Download PDFInfo
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- CN103320219B CN103320219B CN201310276287.6A CN201310276287A CN103320219B CN 103320219 B CN103320219 B CN 103320219B CN 201310276287 A CN201310276287 A CN 201310276287A CN 103320219 B CN103320219 B CN 103320219B
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Abstract
The invention relates to an impurity separation method before evaporation of mixed oil obtained by leaching of a cold-pressed oil-tea seed cake. The operation steps are as follows: mixing edible NaCl with the concentration of 4-6% and an edible NaOH solution with the concentration of 1-4% in a salt-alkali tank, uniformly mixing, and then heating to 50-70 DEG C; adding a salt-alkali solution into a first oil tank while the salt-alkali solution is hot and enabling the salt-alkali solution to settle down into a conical bottom of a mixed oil tank; enabling the mixed oil to enter the conical bottom of the first oil tank, uniformly mixing with the salt-alkali solution in the first oil tank and accelerating agglomeration and settlement of dust particles in the mixed oil; and inputting the mixed oil after preliminary treatment into the salt-alkali solution at the conical bottom of a second oil tank via a pipeline, further performing agglomeration and natural settlement, and enabling the mixed oil in the upper layer to firstly enter a high and low oil level regulating device and further enter an evaporation system. According to the impurity separation method disclosed by the invention, impurities in the mixed oil can be effectively separated, blockage, liquid flooding and other phenomena of a long-pipe evaporator and a stripping tower of the evaporation system can be avoided, the evaporation process can be operated smoothly, and the quality of tea oil is further improved.
Description
Technical field
The present invention relates to pressed oil tea seed cake leaching method, refer to that especially pressed oil tea seed cake leaches the front impurity separation method of miscella evaporation.
Background technology
Camellia seed oil is a kind of high-grade edible grease, and camellia seed oil, owing to being rich in distinctive high unsaturated fatty acid, high oleic acid and abundant anti-ageing antioxidant component, is liked by consumers in general more and more.Tea-seed oil processing in recent years progressively adopts low-temperature cold-squeezing, the low-temperature cold pressing cake of tea seed is owing to steaming and frying without high-temperature moisture, protein does not have complete sex change, colloid starch does not have abundant slaking, in concentrated blend after leaching, contain many small starch colloid dregs of rice powder particles, mix the too much frequent phenomenon such as long-tube evaportor and stripping tower obstruction, liquid flooding that vapo(u)rization system occurs of well cuts powder, have a strong impact on and produce running, leach crude oil dissolvent residual also well beyond national standard limit value.Therefore the impurity in mixing oil must be separated, traditional technology is to filter with 200 order tents, separate screen separator through the spinning liquid on leacher and remove most of dregs of rice powder, through temporary tank salt solution wet method chalk dust removing, but trickle starch colloid becomes milkiness blending state with tea oil with protein, aforementioned technique separates the poor effect of mixing oil impurity.
Hybrid oil filter machine on sale on market, adopt centrifugal rotation filter leaf wash-out filter residue, leaching lattice material top layer with pump circulation suction filters, strengthen hybrid oil filter area, but because filtering net is in rotary state, the formation of filtering layer is extremely unstable, and especially in the time of back flushing initial filter, effect is more bad, and filtering net is too close affects normal circulation.The method leaching again after tea-seed pancake high-temperature maturing for some producer, can reduce the content of mixing oil kind particle dust, but the quality that leaches oil and grouts is caused to negative impact.
Summary of the invention
The object of the invention is, provide a kind of tea-seed pancake to leach the impurity separation method before miscella evaporation, reduce mixing oil dust particle content, make evaporative process trouble-free operation, improve the quality of tea oil.
Technical scheme of the present invention is: tea-seed pancake leaches the front impurity separation method of miscella evaporation, and main operational steps is as follows:
A, preparation saline solution: be that 4 ~ 6% food grade NaCl and concentration 1 ~ 4% food grade NaOH solution mix in saline and alkaline tank by concentration, mix post-heating to 50～70 ℃, prevent emulsification;
B, saline solution is added in the first oil tank while hot, at the bottom of saline solution sinks to the cone of oil tank, add saline solution to visor midline position ± 3cm;
C, leaching mixing oil enter the oil tank cone end, and in oil tank, mixing oil mixes with saline solution, accelerates dust granules flocking settling in mixing oil; The mixing oil of preliminary treatment flows in the saline solution of the second oil tank through pipeline, and again through cohesion, natural subsidence, upper strata mixing oil is introduced into height level adjusting device, then enters in vapo(u)rization system; Free gas in the first oil tank, the second oil tank, height level adjusting device enters condenser system through pipeline;
D, check the opacity of mixing oil by visor every 5～8 hours, miscella tank, miscella tank are respectively arranged to primary slag, again in miscella tank, add hot saline solution to visor midline position ± 3cm, circulation aforesaid operations.
The invention has the beneficial effects as follows: after the saline solution of heat mixes with mixing oil, accelerate dust granules flocking settling in mixing oil; Well cuts is effectively separated, avoided the phenomenon such as long-tube evaportor and stripping tower obstruction, liquid flooding of vapo(u)rization system, make evaporative process be able to trouble-free operation, and improved the quality of tea oil.
Accompanying drawing explanation
Fig. 1 is impurity separating device and process schematic representation before miscella evaporation.
In Fig. 1: the saline and alkaline tank of 1-; 11-saline solution; 2-leaches mixing oil; 3-oil tank; 31-mixing oil; 32-saline solution; 33-visor; 4-oil tank; 41-mixing oil; 42-saline solution; 5-slag; 6-vapo(u)rization system; 7-height level adjusting device; 8-condenser system.
Embodiment
Equipment is installed: oil tank 3 is sloping bottom tank with oil tank 4, and two tank bottoms are equipped with the pipeline with valve, and oil tank 3 is connected by pipeline with oil tank 4, and valve is housed respectively on pipeline.The saline and alkaline tank 1 on oil tank 3 tops is connected by the pipeline with valve.Oil tank 4 middle part pipelines connect vapo(u)rization system 6.Oil tank 3, oil tank 4, height level adjusting device 7 are connected with condenser system 8.
Specific operation process is as follows:
A, preparation saline solution: be that 4 ~ 6% food grade NaCl and concentration 1 ~ 4% food grade NaOH solution mix in saline and alkaline tank by concentration, mix post-heating to 50 ~ 70 ℃, prevent emulsification;
B, while hot saline solution is added in oil tank, at the bottom of saline solution sinks to the cone of oil tank, add saline solution to visor midline position ± 3cm;
C, leaching mixing oil enter the oil tank cone end, and in oil tank, mixing oil mixes with saline solution, accelerates dust granules flocking settling in mixing oil; The mixing oil of preliminary treatment flows in the saline solution of miscella tank through pipeline, and again through cohesion, natural subsidence, upper strata mixing oil enters height level adjusting device and enters in vapo(u)rization system again; Free gas in the first oil tank, the second oil tank, height level adjusting device enters condenser system through pipeline;
D, check the opacity of mixing oil by visor every 5～8 hours, miscella tank, miscella tank are respectively arranged to primary slag, again in miscella tank, add hot saline solution to visor midline position ± 3cm.The operation of circulation 2,3,4.
Claims (1)
1. pressed oil tea seed cake leaches the front impurity separation method of miscella evaporation, and its operation steps is as follows:
A, preparation saline solution: be that 4～6% food grade NaCl and concentration 1～4% food grade NaOH solution mix in saline and alkaline tank (1) by concentration, mix post-heating to 50 ℃～70 ℃, prevent emulsification;
B, while hot saline solution (11) is added in the first oil tank (3), at the bottom of saline solution (32) sinks to the cone of the first oil tank (3), add saline solution (32) to visor (33) midline position ± 3cm;
C, leaching mixing oil (2) enter the first oil tank (3) cone end, in the first oil tank (3), mixing oil (2) mixes with saline solution (32), accelerates dust granules flocking settling in mixing oil (31); The mixing oil (31) of preliminary treatment flows in the saline solution (42) of the second oil tank (4) through pipeline, again through cohesion, natural subsidence, upper strata mixing oil (41) is introduced into height level adjusting device (7), then enters in vapo(u)rization system (6); Free gas in the first oil tank (3), the second oil tank (4), height level adjusting device (7) enters condenser system (8) through pipeline;
D, every 5～8 hours by visor (33) check mixing oil (31) opacity, the first oil tank (3), the second oil tank (4) are respectively arranged to primary slag (5), again in the first oil tank (3), add hot saline solution (11) to visor (33) midline position ± 3cm, circulation aforesaid operations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310276287.6A CN103320219B (en) | 2013-07-03 | 2013-07-03 | Impurity separation method before evaporation of mixed oil obtained by leaching of cold-pressed oil-tea seed cake |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310276287.6A CN103320219B (en) | 2013-07-03 | 2013-07-03 | Impurity separation method before evaporation of mixed oil obtained by leaching of cold-pressed oil-tea seed cake |
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| CN103320219A CN103320219A (en) | 2013-09-25 |
| CN103320219B true CN103320219B (en) | 2014-07-02 |
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| CN201310276287.6A Expired - Fee Related CN103320219B (en) | 2013-07-03 | 2013-07-03 | Impurity separation method before evaporation of mixed oil obtained by leaching of cold-pressed oil-tea seed cake |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106635409A (en) * | 2016-11-09 | 2017-05-10 | 安徽达园粮油有限公司 | Ground sesameseed oil constant temperature depositing tank |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1631187A (en) * | 2005-01-07 | 2005-06-29 | 李绍华 | Method for making Camellia chekiang-oleasa Hu seed edible oil |
| CN102212417A (en) * | 2011-05-16 | 2011-10-12 | 四川农业大学 | Method for effectively refining camellia oil |
| CN103113985A (en) * | 2011-10-25 | 2013-05-22 | 李文东 | Process for manufacturing high-quality tea oil |
| CN103113984A (en) * | 2013-03-04 | 2013-05-22 | 浙江绿升生物科技有限公司 | Improved process for refining mixed oil |
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- 2013-07-03 CN CN201310276287.6A patent/CN103320219B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1631187A (en) * | 2005-01-07 | 2005-06-29 | 李绍华 | Method for making Camellia chekiang-oleasa Hu seed edible oil |
| CN102212417A (en) * | 2011-05-16 | 2011-10-12 | 四川农业大学 | Method for effectively refining camellia oil |
| CN103113985A (en) * | 2011-10-25 | 2013-05-22 | 李文东 | Process for manufacturing high-quality tea oil |
| CN103113984A (en) * | 2013-03-04 | 2013-05-22 | 浙江绿升生物科技有限公司 | Improved process for refining mixed oil |
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