CN111304662A - Preparation method of tea seed cake cleaning agent - Google Patents
Preparation method of tea seed cake cleaning agent Download PDFInfo
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- CN111304662A CN111304662A CN202010279237.3A CN202010279237A CN111304662A CN 111304662 A CN111304662 A CN 111304662A CN 202010279237 A CN202010279237 A CN 202010279237A CN 111304662 A CN111304662 A CN 111304662A
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- tea seed
- seed cake
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D21/00—Processes for servicing or operating cells for electrolytic coating
- C25D21/08—Rinsing
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Abstract
The invention relates to a preparation method of a tea seed cake cleaning agent, which is characterized by comprising the following specific steps: pulverizing the tea cake; carrying out extraction; refining to obtain tea seed cake with purity of more than 90%, wherein the tea seed cake contains tea saponin with content of more than 13%; and mixing and stirring the refined tea seed cake with water to obtain the hydrogel-like tea seed cake cleaning agent. The preparation method of the tea seed cake cleaning agent can obtain high-quality tea seed cake, and further enables the cleaning effect of the tea seed cake cleaning agent to be good.
Description
Technical Field
The invention relates to the technical field of cleaning products, in particular to a preparation method of a tea seed cake cleaning agent.
Background
With the technological progress, various machines are replaced to adapt to the personalized requirements of human beings. In the manufacturing process of the machines, a plated part cleaning procedure is usually carried out, the procedure is an important link of an electroplating process, and the quality of cleaning has a great influence on the appearance and the use stability of an electroplated product. If the surface of the product to be electroplated is not completely degreased, the coating has the defects of bubbling, peeling, flowering and the like.
The tea seed cake cleaning agent is environment-friendly and efficient, can remove oil stains on the surface of a product to be electroplated, can grind a workpiece and increase the surface brightness of the workpiece, and is also suitable for cleaning various metals such as steel, copper and aluminum and cleaning plastics.
In the prior art, the prepared tea seed cake cleaning agent is low in purity, so that the cleaning effect of an electroplating product is poor.
Disclosure of Invention
The invention aims to provide a preparation method of a tea seed cake cleaning agent, which can obtain high-quality tea seed cake and further ensure that the cleaning effect of the tea seed cake cleaning agent is good.
The technical scheme of the invention is as follows:
a preparation method of a tea seed cake cleaning agent comprises the following specific steps:
pulverizing the tea cake;
carrying out extraction;
refining to obtain tea seed cake with purity of more than 90%, wherein the tea seed cake contains tea saponin with content of more than 13%;
and mixing and stirring the refined tea seed cake with water to obtain the hydrogel-like tea seed cake cleaning agent.
Preferably, the extraction step is specifically:
adding 4-6 times of hot water into the tea seed cake, wherein the temperature of the hot water is 30-35 ℃;
soaking in hot water for 2 hr;
after soaking, carrying out centrifugal separation to obtain liquid tea seed cake;
adding 1-3% of flocculating agent into the liquid tea seed cake;
heating, standing, and removing precipitate to obtain liquid tea cake with high concentration.
Preferably, the extraction step is specifically:
extracting the crushed tea dregs by using a solvent A to obtain a mixture mixed with the solvent;
adsorbing impurities such as glycolipid, juice, and pigment in the extractive solution with inorganic substance or organic resin;
and extracting and concentrating to obtain the tea seed cake.
Preferably, the extraction step is specifically:
spraying a solvent B to the crushed tea seed cake;
then soaking by adopting a solvent C.
Preferably, the refining step is specifically:
adding a solvent D;
and crystallizing and drying to obtain the high-purity tea seed cake.
Preferably, the stirring speed is 100-200 r/min, and the stirring time is 30-60 min.
Preferably, the concentration of solvent a is selected to be 75% to 90%.
Preferably, the soaking temperature is controlled between 45 ℃ and 50 ℃.
Preferably, the number of soaking times is at least two;
preferably, the soaking time is 4 hours to 6 hours.
The invention provides a preparation method of a tea seed cake cleaning agent, which comprises the steps of crushing a tea-oil tree cake, degreasing, separating tea seed cakes containing tea saponin from the tea-oil tree cake, purifying the tea seed cakes through a refining process to obtain the tea seed cakes containing the tea saponin, wherein the content of the tea saponin is more than 13%, the purity of the tea seed cakes is more than 90%, and finally mixing and stirring the refined tea seed cakes with water to obtain the water-gel tea seed cake cleaning agent. According to the preparation method of the tea seed cake cleaning agent, high-purity tea seed cake is obtained through degreasing treatment and refining, high-quality tea seed cake is obtained, and finally the tea seed cake and water are stirred and mixed to obtain the water gel-like tea seed cake cleaning agent which can be used for cleaning various metal products.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a flow chart illustrating the steps of the method for preparing the cleaning agent for tea dregs in this embodiment;
FIG. 2 is a flowchart illustrating a first embodiment of the present invention;
FIG. 3 is a flowchart illustrating steps of a second embodiment of the present invention;
fig. 4 is a flowchart of steps in the third embodiment of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present invention, it is to be understood that the terms "upper", "lower", and the like, indicate an orientation or positional relationship only for convenience of description and simplicity of description, but do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1, the invention provides a preparation method of a tea seed cake cleaning agent, which comprises the steps of crushing a tea-oil camellia cake, degreasing, separating tea seed cake containing tea saponin from the tea-oil camellia cake, purifying the tea seed cake through a refining process to obtain tea seed cake containing tea saponin, wherein the content of the tea saponin is more than 13%, the purity of the tea seed cake is more than 90%, and mixing and stirring the refined tea seed cake and water to obtain the water-gel tea seed cake cleaning agent. According to the preparation method of the tea seed cake cleaning agent, the oil content in the tea seed cake is reduced through degreasing treatment, high-purity tea seed cake is obtained through refining, and finally the tea seed cake is stirred and mixed with water to obtain the water gel-like tea seed cake cleaning agent which can be used for cleaning various metal products.
As shown in fig. 2, the first embodiment: compared with other oil materials, the oil tea mainly contains 9% of tea saponin, has hygroscopicity, and is easy to dissolve in hot water. In the embodiment, 4-6 times of hot water is added into tea seed dregs, the temperature of the hot water is 30-35 ℃, the tea seed dregs are soaked in the hot water for 2 hours, after soaking, centrifugal separation is carried out to obtain liquid tea seed dregs, 1-3% of flocculating agent is added into the liquid tea seed dregs, heating and standing are carried out, then precipitates are removed, and the liquid tea seed dregs with higher concentration are obtained. The tea cake can be leached for more than 2 times after being soaked for 2 hours, and the leaching is the process of leaching the effective component tea saponin in the tea cake. Wherein the 2 nd leaching solution can be used as the 1 st leaching water of the next batch of raw materials.
Referring to fig. 3, in the second example, the crushed tea seed cake is extracted with solvent a to obtain solvent-mixed tea seed cake, inorganic substance or organic resin is used to adsorb impurities such as glycolipid, juice, pigment and the like in the extract, and the mixture is extracted and concentrated to obtain tea seed cake. Wherein the solvent A is oil soluble solvent, in the step, the water content in the tea cake should be reduced firstly, so that the affinity between the tea saponin in the tea cake and the solvent A is enhanced, and the leaching effect is improved. The adsorption treatment may be performed using an ethylene type resin at PH 4, and then the adsorbed impurities and pigments may be eluted with a 0.1% aqueous sodium hydroxide solution. Before the ground tea seed cake is leached by the solvent A, the tea seed cake is dried, so that the water content of the tea seed cake is not more than 7%, the extraction effect is prevented from being influenced, the yield is reduced, the difficulty in discharging the tea seed cake is easily caused, and therefore, the tea seed cake is dried before extraction. The concentration of the solvent A is selected to be 75-90%.
As shown in fig. 4, in example three, the crushed tea seed cake is sprayed with a solvent B, then soaked with a solvent C, and then a solvent D and a solvent E are added, and the high-purity tea seed cake is obtained by crystallization and drying. The method comprises the following steps of spraying a solvent B on the crushed tea seed cake in a spraying mode, wherein the solvent B is an oil-soluble solvent, and removing residual oil in the tea seed cake through the oil-soluble solvent B. Generally, after tea seed cake after being squeezed and extracted in the prior art is directly mixed with other additives, because the oil content in the tea seed cake is too high, the oil content in the mixed wastewater after the product to be cleaned is too high, and the oil in the wastewater is smelly due to untimely treatment in a factory, so that the problem of environmental pollution is caused. Preferably, the solvent B is adopted for spraying, the water content in the tea cake is reduced firstly, and the concentration of the solvent B can be obviously reduced when the water content in the broken tea cake is too high, so that the affinity between the tea saponin and the solvent B is reduced, and the leaching effect is influenced. On the other hand, the granularity of the broken tea cake is reduced, the granularity of the broken tea cake is too large, and the extraction speed of the tea saponin is slow; the granularity is too small, the adsorption cohesiveness is large, the separation is difficult, generally, in the embodiment, the water content of the broken tea cake is not more than 7%, the granularity is controlled to be 1-3 mm, and the extraction speed of the tea saponin is optimal.
Soaking with solvent C, which is organic solvent such as methanol and ethanol. The water content of the solvent C can also influence the extraction speed of the tea saponin, and when the water content of the solvent C is larger, the viscosity of the tea cake is higher, the liquid-solid separation is more difficult, and the foaming phenomenon is more serious; the higher the purity of the solvent C is, the higher the loss is, and experiments show that the extraction speed of the tea seed cake is the maximum when the concentration of the solvent C is 80-90%, preferably 85%. The ratio of the solvent C to the raw materials is controlled to be about 3.5:1, and the extraction speed and the cost of the tea saponin are optimized. In the production process, the loss of the solvent C is increased along with the increase of the temperature, the concentration and the dosage of the solvent C, in order to control the loss of the solvent C in the extraction process, the leaching mode can be changed from a vertical leaching mode to a rotary leaching mode besides adopting reasonable process parameters.
In the process of leaching the tea cake, the tea saponin in the tea meal is changed from a solid phase to a liquid phase, and after a period of time, the distribution of the tea saponin in the solid-liquid phase reaches balance, experiments show that after the tea cake is soaked in the solvent C for 4 hours, the tea saponin reaches balance in the solid-liquid phase, and the soaking time is preferably controlled to be 4-6 hours.
When the solvent C is adopted for soaking, the soaking times can be increased, experiments show that the tea saponin in the tea seed meal is related to the osmotic pressure of the solvent C, and the yield of the tea saponin can be improved by properly increasing the soaking times. The experimental results are as follows: the yield of the tea saponin is 80.5% by primary extraction, and the yield of the tea saponin can reach more than 95.6% by secondary extraction. Therefore, most of the tea saponin can be extracted by one-time extraction, the yield of the tea saponin extracted by the second time can be increased by more than 15%, and the yield of the tea saponin is obviously increased. In actual operation, in order to obtain the best economic effect, the leaching efficiency is preferably extracted for 2-3 times. Finally, adding a solvent D, and crystallizing and drying to obtain the high-purity tea seed cake. Wherein the solvent D is ethanol.
Preferably, the rotation speed is 100 to 200r/min during stirring, and the stirring time is 30 to 60 min.
Further, the soaking temperature is controlled to be 45-50 ℃.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts in the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The preparation method of the tea seed cake cleaning agent is characterized by comprising the following specific steps:
pulverizing the tea cake;
carrying out extraction;
refining to obtain tea seed cake with purity of more than 90%, wherein the tea seed cake contains tea saponin with content of more than 13%;
and mixing and stirring the refined tea seed cake with water to obtain the hydrogel-like tea seed cake cleaning agent.
2. The preparation method of the tea seed cake cleaning agent according to claim 1, wherein the extraction steps are specifically as follows:
adding 4-6 times of hot water into the tea seed cake, wherein the temperature of the hot water is 30-35 ℃;
soaking in hot water for 2 hr;
after soaking, carrying out centrifugal separation to obtain liquid tea seed cake;
adding 1-3% of flocculating agent into the liquid tea seed cake;
heating, standing, and removing precipitate to obtain liquid tea cake with high concentration.
3. The preparation method of the tea seed cake cleaning agent according to claim 1, wherein the extraction steps are specifically as follows:
extracting the crushed tea seed cake with a solvent A;
adsorbing impurities such as glycolipid, juice, and pigment in the extractive solution with inorganic substance or organic resin;
and extracting and concentrating to obtain the tea seed cake.
4. The preparation method of the tea seed cake cleaning agent according to claim 1, wherein the extraction steps are specifically as follows:
spraying a solvent B to the crushed tea seed cake;
then soaking by adopting a solvent C.
5. The preparation method of the tea seed cake cleaning agent according to claim 4, wherein the refining step specifically comprises:
adding a solvent D;
and crystallizing and drying to obtain the high-purity tea seed cake.
6. The preparation method of the tea seed cake cleaning agent according to claim 4, wherein the stirring speed is 100-200 r/min, and the stirring time is 30-60 min.
7. The preparation method of the tea seed cake cleaning agent according to claim 3, wherein the concentration of the solvent A is selected from 75% to 90%.
8. The preparation method of the tea seed cake cleaning agent according to claim 4, wherein the soaking temperature is controlled to be 45-50 ℃.
9. The method for preparing the tea seed cake cleaning agent according to claim 8, wherein the soaking times are at least two times.
10. The method for preparing the tea seed cake cleaning agent according to claim 9, wherein the soaking time is 4 to 6 hours.
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| CN202010279237.3A CN111304662A (en) | 2020-04-10 | 2020-04-10 | Preparation method of tea seed cake cleaning agent |
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| CN202010279237.3A CN111304662A (en) | 2020-04-10 | 2020-04-10 | Preparation method of tea seed cake cleaning agent |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111603421A (en) * | 2020-06-23 | 2020-09-01 | 重庆琥珀茶油有限公司 | Camellia oil meal detergent and preparation method thereof |
| CN112126533A (en) * | 2020-09-28 | 2020-12-25 | 湖南雪峰源山茶油科技有限公司 | Preparation method of tea seed cake cleaning agent |
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| CN108373949A (en) * | 2018-03-30 | 2018-08-07 | 湖南淳湘农林科技有限公司 | A kind of cleaning agent containing tea seed cake |
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2020
- 2020-04-10 CN CN202010279237.3A patent/CN111304662A/en active Pending
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| BE1004829A6 (en) * | 1991-01-30 | 1993-02-02 | Ryhshine Ind Corp | Method for extracting natural detergent and organic fertilising agent fromtea seed residue |
| CN1754883A (en) * | 2004-10-01 | 2006-04-05 | 南华大学 | Production process for extracting tea saponin from tea-oil tree cake by using water as dissoluent |
| CN102020692A (en) * | 2010-12-15 | 2011-04-20 | 华中科技大学 | Method for extracting refined tea saponin from camellia oleifera seed cake |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111603421A (en) * | 2020-06-23 | 2020-09-01 | 重庆琥珀茶油有限公司 | Camellia oil meal detergent and preparation method thereof |
| CN112126533A (en) * | 2020-09-28 | 2020-12-25 | 湖南雪峰源山茶油科技有限公司 | Preparation method of tea seed cake cleaning agent |
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