CN109652161A - A kind of environmental protection stretches liquid and preparation method thereof - Google Patents
A kind of environmental protection stretches liquid and preparation method thereof Download PDFInfo
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- CN109652161A CN109652161A CN201910016650.8A CN201910016650A CN109652161A CN 109652161 A CN109652161 A CN 109652161A CN 201910016650 A CN201910016650 A CN 201910016650A CN 109652161 A CN109652161 A CN 109652161A
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- 239000007788 liquid Substances 0.000 title claims abstract description 36
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 230000007613 environmental effect Effects 0.000 title abstract description 4
- 235000011389 fruit/vegetable juice Nutrition 0.000 claims abstract description 58
- 244000205754 Colocasia esculenta Species 0.000 claims abstract description 35
- 235000006481 Colocasia esculenta Nutrition 0.000 claims abstract description 35
- 238000004140 cleaning Methods 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 60
- 241001075517 Abelmoschus Species 0.000 claims description 38
- 238000003756 stirring Methods 0.000 claims description 30
- 238000010438 heat treatment Methods 0.000 claims description 27
- 239000000344 soap Substances 0.000 claims description 26
- 238000009835 boiling Methods 0.000 claims description 16
- 239000000706 filtrate Substances 0.000 claims description 16
- 238000001914 filtration Methods 0.000 claims description 16
- 239000012530 fluid Substances 0.000 claims description 9
- 238000005520 cutting process Methods 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 abstract description 26
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 26
- 230000008569 process Effects 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 240000004507 Abelmoschus esculentus Species 0.000 abstract 1
- 235000003934 Abelmoschus esculentus Nutrition 0.000 abstract 1
- 239000000047 product Substances 0.000 description 18
- 239000003921 oil Substances 0.000 description 13
- 235000019198 oils Nutrition 0.000 description 13
- 239000003795 chemical substances by application Substances 0.000 description 9
- 239000012459 cleaning agent Substances 0.000 description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 239000003963 antioxidant agent Substances 0.000 description 4
- 230000003078 antioxidant effect Effects 0.000 description 4
- 239000002199 base oil Substances 0.000 description 4
- 239000011593 sulfur Substances 0.000 description 4
- 229910052717 sulfur Inorganic materials 0.000 description 4
- 235000014113 dietary fatty acids Nutrition 0.000 description 3
- 239000000194 fatty acid Substances 0.000 description 3
- 229930195729 fatty acid Natural products 0.000 description 3
- -1 fatty acid ester Chemical class 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910000851 Alloy steel Inorganic materials 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000010699 lard oil Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M159/00—Lubricating compositions characterised by the additive being of unknown or incompletely defined constitution
- C10M159/02—Natural products
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M177/00—Special methods of preparation of lubricating compositions; Chemical modification by after-treatment of components or of the whole of a lubricating composition, not covered by other classes
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/20—Metal working
- C10N2040/24—Metal working without essential removal of material, e.g. forming, gorging, drawing, pressing, stamping, rolling or extruding; Punching metal
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Detergent Compositions (AREA)
Abstract
The present invention discloses a kind of environmental protection and stretches liquid and preparation method thereof, it is described to stretch taro juice 30-35%, gumbo juice 34-36% and the suds 30-35% that liquid includes weight percent, the stretching liquid is used for the manufacture of stainless steel products, stainless steel products yield rate is up to 100%, and surface of stainless steel product it is bright, without line, uniformly, it saves simultaneously and stretches subsequent cleaning process, it is energy-saving to reach on 95%.
Description
Technical Field
The invention belongs to the technical field of metal processing, and particularly relates to an environment-friendly drawing liquid and a preparation method thereof.
Background
Various stainless steel products of different styles involved in daily life are accepted by people because of attractive appearance, durability, sanitation and economy. Every family, dining room, military camp, are also almost everywhere in the world. With the continuous improvement of the complexity and the quality of the stainless steel product shape, the stamping and stretching process is simple to complex, the difficulty is increased, and the quality requirement on the stainless steel product stretching oil is more strict. The original used aqueous solution emulsified drawing oil can not meet the process requirements, and stainless steel product drawing oil with excellent lubricating property and wear-resistant drawing property must be developed to meet the production requirements.
The stainless steel drawing oil is prepared by blending high-quality mineral base oil, compounded high-performance vulcanized lard oil and vulcanized fatty acid ester as main agents, is suitable for drawing, deep drawing, bulging drawing, multi-step drawing, stamping and other processes of metal products such as stainless steel, alloy steel and the like, and plays roles in lubricating and cooling. The high-wear-resistance and extreme pressure stamping die has excellent wear resistance and extreme pressure property, does not cause galling and strain of workpieces, improves the smoothness of the workpieces, and effectively prolongs the service life of the stamping die; the cleaning is easy; has no odor and no irritation to skin.
CN107619698A discloses stainless steel product drawing oil, which comprises the following components in percentage by weight: 81.5-95.7% of base oil; non-active sulfurized fat, 2-5%; t202, 0.5-2.5%; 0.5-2.0% of phosphate; 0.3-1.0% of T747; synthetic ester oiliness agent, 1.0-8.0%.
CN108570346A discloses stainless steel high-temperature drawing oil which comprises the following raw materials in percentage by weight: 55-60% of base oil, 0.1-0.5% of antioxidant, 10-15% of sulfur agent, 3-5% of antiwear agent and 20-30% of lubricant. The antioxidant is a phenol antioxidant, the sulfur agent is a mixture of vulcanized lard oil and vulcanized fatty acid ester, the mixing ratio is 1:1, the antiwear agent is high-base-number vulcanized calcium alkyl phenate, the lubricant is a mixture of sodium petroleum sulfonate and zinc stearate, and the mixing ratio is 2: 1.
at present, vulcanizing agents such as phosphorus, sulfur and the like are added into common drawing oil, so that the environment is not friendly, a stainless steel product treated by the drawing oil needs to be cleaned by adopting a cleaning agent, and part of the cleaning agent is added with sulfuric acid, nitric acid, hydrochloric acid and the like, so that the environment is easily polluted, the waste liquid treatment cost is high, and a large amount of energy sources such as water, electricity and the like are consumed.
Therefore, there is a need to develop an environment-friendly drawing fluid which can be cleaned without using cleaning or with a small amount of clear water, and the drawing fluid can save water and energy, shorten working hours and improve efficiency while maintaining the benefits of drawing oil on stainless steel products, and is particularly environment-friendly.
Disclosure of Invention
The invention aims to provide an environment-friendly drawing fluid which does not contain mineral oil, base oil, vegetable oil, an antioxidant, an antiwear agent, sulfur agent vulcanized lard, vulcanized fatty acid ester and the like, is used as a lubricant for processing stainless steel products, can not only ensure that the stainless steel products do not have the problems of pulling, scratching, constant lines, uniform thickness, bursting and perforation in such a thin state, but also is safe, environment-friendly, energy-saving and consumption-reducing.
The environment-friendly stretching liquid is mainly prepared from raw materials of soap, taro and okra.
In one embodiment, the environment-friendly stretching liquid comprises 30-35% of soapy water, 30-35% of taro juice and 34-36% of okra juice by weight percentage.
In a preferred scheme, the environment-friendly drawing liquid comprises 31% of soapy water, 33% of taro juice and 36% of okra juice by weight percentage.
In the above embodiments, the environment-friendly stretching liquid of the present invention, the taro juice is prepared by the following method, which comprises the following steps:
1) cleaning and mincing taro, adding 90-110 times of clear water, preferably 100 times of clear water;
2) heating while stirring, boiling for 20-40 min, preferably 30 min;
3) filtering with 120 mesh filter screen, removing filter residue to obtain filtrate taro juice for use.
The okra juice is prepared by the following method, which comprises the following steps:
1) cleaning and mincing okra, and adding 130 times of 110-fold clear water, preferably 120 times of clear water;
2) heating while stirring, boiling for 20-40 min, preferably 30 min;
3) filtering with 120 mesh filter screen, removing filter residue to obtain filtrate okra juice for use.
The soapy water is prepared by the following method, which comprises the following steps:
1) cutting soap into small pieces, adding 20-30 times of clear water, preferably 25 times;
2) heating while stirring until the soap cake is completely melted.
In a specific embodiment, the environment-friendly stretching liquid of the invention consists of 31% of soapy water, 33% of taro juice and 36% of okra juice, which are all in weight percentage, wherein,
the taro juice is prepared by the following method, which comprises the following steps
1) Cleaning and mincing taro, and adding 100 times of clear water;
2) heating while stirring, boiling for 30 minutes;
3) filtering with 120 mesh filter screen, removing filter residue to obtain filtrate as taro juice,
the okra juice is prepared by the following method, which comprises the following steps:
1) cleaning and mincing okra, and adding 120 times of clear water;
2) heating while stirring, boiling for 30 minutes;
3) filtering with 120 mesh filter screen, removing filter residue to obtain filtrate which is okra juice,
the soapy water is prepared by the following method, which comprises the following steps:
1) cutting soap into small pieces of about 3cm, and adding 25 times of clear water;
2) heating while stirring until the soap pieces are completely melted to obtain soap water.
The invention also aims to provide a method for preparing the environment-friendly drawing fluid, which comprises the following steps:
1. the preparation method of the taro juice comprises the following steps:
1) cleaning and mincing taro, adding 90-110 times of clear water, preferably 100 times of clear water;
2) heating while stirring, boiling for 20-40 min, preferably 30 min;
3) filtering with 120 mesh filter screen, removing filter residue to obtain filtrate, i.e. fructus Colocasiae Esculentae juice.
2. The preparation method of the okra juice comprises the following steps:
1) cleaning and mincing okra, and adding 130 times of 110-fold clear water, preferably 120 times of clear water;
2) heating while stirring, boiling for 20-40 min, preferably 30 min;
3) filtering with 120 mesh filter screen, removing filter residue to obtain filtrate, i.e. okra juice.
3. The preparation of soapy water comprises the following steps:
1) cutting soap into small pieces, adding 30-40 times of clear water, preferably 25 times;
2) heating while stirring until the soap cake is completely melted to obtain soap water.
4. Preparation of a drawing fluid comprising:
according to the weight ratio, 30-35% of soapy water, 30-35% of taro juice and 34-36% of okra juice are taken, the taro juice obtained in the step 1, the okra juice obtained in the step 2 and the soapy water obtained in the step 3 are mixed, stirred, kept at the temperature of 75-85 ℃, preferably about 80 ℃, and are stopped to be heated after being uniformly stirred, and are naturally cooled to the normal temperature, so that the stretching liquid is obtained.
In the method of the present invention, the weight percentages of the soap water, the taro juice and the okra juice are preferably 31%, 33% and 36%.
The invention has the technical advantages that:
1. the drawing liquid of the present invention is suitable for drawing, deep drawing, bulging drawing, multi-pass drawing, punching and other technological processes of stainless steel, alloy steel and other metal products, and has lubricating and cooling functions. The high-wear-resistance and extreme pressure stamping die has excellent wear resistance and extreme pressure property, does not cause galling and strain of workpieces, improves the smoothness of the workpieces, and effectively prolongs the service life of the stamping die;
2. the stretching liquid is adopted to stretch and stamp the stainless steel product, the subsequent process does not need cleaning, and compared with a stretching oil process, the cleaning agent and the cleaning water are saved, the energy consumption is reduced, the working hours are reduced, the whole processing efficiency is improved, the energy is saved by more than 98 percent, and the environmental protection and consumption reduction are more than 95 percent.
3. The stainless steel product is drawn and stamped by the drawing liquid, and the yield reaches 100%.
4. Compared with the prior common stretching oil, the stretching liquid disclosed by the invention does not pollute the environment and is green and environment-friendly.
Detailed Description
Example 1 Environment-friendly drawing fluid
The formula of the stretching liquid is as follows: 31% of soapy water, 33% of taro juice and 36% of okra juice by weight percentage.
The preparation process comprises the following steps:
1. preparing taro juice:
1) cleaning and mincing 0.5KG taro, and adding 50KG clear water;
2) heating while stirring, boiling for 30 minutes;
3) filtering with 120 mesh filter screen, removing filter residue to obtain filtrate as taro juice,
2. the preparation method of the okra juice comprises the following steps of,
1) cleaning and mincing 0.5KG okra, and adding 60KG clear water;
2) heating while stirring, boiling for 30 minutes;
3) filtering with 120 mesh filter screen, removing filter residue to obtain filtrate which is okra juice,
3. preparation of soapy water
1) Cutting 2KG soap into small pieces of about 3cm, and adding 50KG clear water;
2) heating while stirring until the soap pieces are completely melted to obtain soap water.
4. Preparation of drawing liquid
Mixing the taro juice obtained in the step 1, the okra juice obtained in the step 2 and the soapy water obtained in the step 3 according to the weight ratio of the stretching liquid formula, stirring, keeping the temperature at about 80 ℃, stopping heating after stirring uniformly, and naturally cooling to obtain the stretching liquid.
The application comprises the following steps: the stretching liquid is coated on or soaked in or sprayed on the surface of a stainless steel material to be stretched and stamped, cleaning with a cleaning solution containing a cleaning agent is not needed, and subsequent procedures of trimming, brazing, polishing and the like are directly carried out to obtain the stainless steel product. The yield reaches 100 percent. The surface of the stainless steel product is bright, has no lines and is uniform. The drawing liquid has excellent wear resistance and extreme pressure property, does not cause galling and strain of stainless steel workpieces, and improves the finish degree of the stainless steel workpieces.
Example Environment-friendly drawing fluid
The formulation is shown in the following table
The processes for preparing the drawing liquids of examples 2 to 4 were the same as those of example 1.
The effects of using the drawing liquids of examples 2 to 4 for the production of stainless steel products were comparable to those of example 1.
The stretching liquid of the embodiment 1-4 does not have the subsequent cleaning procedure of the stretching process section in the stretching oil manufacturing process, so that the cleaning procedure and the cleaning liquid containing the cleaning agent are saved, the energy consumption, the manpower and the water of the cleaning procedure are correspondingly reduced, the energy is saved by more than 98 percent, and the environmental protection and consumption reduction are more than 95 percent in the whole manufacturing process of the stainless steel product. Meanwhile, the drawing liquid of the invention replaces the traditional drawing oil, so that the whole process of the stainless steel product becomes green and environment-friendly.
The above-mentioned embodiments are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical scope of the present invention, equivalent substitutions or changes according to the technical solution of the present invention and the spirit of the present invention.
Claims (7)
1. An environment-friendly stretching liquid is mainly prepared from raw materials of taro, okra and soap.
2. The stretching liquid as claimed in claim 1, comprising 30-35% by weight of taro juice, 34-36% by weight of okra juice and 30-35% by weight of soapy water.
3. The stretching liquid as claimed in claim 2, comprising 33% of taro juice, 36% of okra juice and 31% of soapy water, all in weight percent.
4. The drawing liquid as claimed in claim 2 or 3: wherein,
the taro juice is prepared by the following method, which comprises the following steps:
1) cleaning and mincing taro, and adding 90-110 times of clear water;
2) heating, stirring, and boiling for 20-40 min;
3) filtering with 120 mesh filter screen, removing filter residue to obtain filtrate to obtain rhizoma Dioscoreae Esculentae juice,
the okra juice is prepared by the following method, which comprises the following steps:
1) cleaning and mincing okra, and adding clear water in an amount which is 110-;
2) heating, stirring, and boiling for 20-40 min;
3) filtering with 120 mesh filter screen, removing filter residue to obtain filtrate to obtain okra juice,
the soapy water is prepared by the following method, which comprises the following steps:
1) cutting soap into small pieces, adding 20-30 times of clear water;
2) heating and stirring until the soap blocks are completely dissolved to obtain the soapy water.
5. The drawing liquid according to claim 4,
the taro juice is prepared by the following method, which comprises the following steps:
1) cleaning and mincing taro, and adding 100 times of clear water;
2) heating, stirring and boiling for 30 minutes;
3) filtering with 120 mesh filter screen, removing filter residue to obtain filtrate as taro juice,
the okra juice is prepared by the following method, which comprises the following steps:
1) cleaning and mincing okra, and adding 120 times of clear water;
2) heating, stirring and boiling for 30 minutes;
3) filtering with 120 mesh filter screen, removing filter residue to obtain filtrate which is okra juice,
the soapy water is prepared by the following method, which comprises the following steps:
1) cutting soap into small pieces, and adding 25 times of clear water;
2) heating and stirring until the soap blocks are completely dissolved to obtain the soapy water.
6. A method of preparing the eco-friendly drawing fluid of claim 2 or 3, comprising the steps of:
1. the preparation method of the taro juice comprises the following steps:
1) cleaning and mincing taro, and adding 90-110 times of clear water;
2) heating and stirring, boiling for 20-40 min;
3) filtering with 120 mesh filter screen, removing residue to obtain filtrate (fructus Colocasiae Esculentae juice),
2. the preparation method of the okra juice comprises the following steps:
1) cleaning and mincing okra, and adding clear water in an amount which is 110-;
2) heating and stirring, boiling for 20-40 min;
3) filtering with 120 mesh filter screen, removing filter residue to obtain filtrate which is okra juice for use,
3. the preparation of soapy water comprises the following steps:
1) cutting soap into small pieces, adding 30-40 times of clear water;
2) heating and stirring until the soap cake is completely melted to obtain soap water,
4. preparation of drawing liquid comprising
And (3) mixing the taro juice obtained in the step (1), the okra juice obtained in the step (2) and the soap water obtained in the step (3) according to the weight ratio, stirring, keeping the temperature at 75-85 ℃, stopping heating after uniformly stirring, and naturally cooling to normal temperature to obtain the drawing liquid.
7. The method of claim 6, comprising the steps of:
1. the preparation method of the taro juice comprises the following steps:
1) cleaning and mincing taro, and adding 100 times of clear water;
2) heating and stirring, boiling for 30 minutes;
3) filtering with 120 mesh filter screen, removing residue to obtain filtrate (fructus Colocasiae Esculentae juice),
2. the preparation method of the okra juice comprises the following steps:
1) cleaning and mincing okra, and adding 120 times of clear water;
2) heating and stirring, boiling for 30 minutes;
3) filtering with 120 mesh filter screen, removing filter residue, and reserving filtrate as okra juice for use
3. The preparation of soapy water comprises the following steps:
1) cutting soap into small pieces, and adding 25 times of clear water;
2) heating while stirring until the soap cake is completely melted to obtain soap water,
4. preparation of a drawing fluid comprising:
and (3) mixing the taro juice obtained in the step (1), the okra juice obtained in the step (2) and the soap water obtained in the step (3) according to the weight ratio, stirring, keeping the temperature at about 80 ℃, stopping heating after uniformly stirring, and naturally cooling to normal temperature to obtain the drawing liquid.
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