CN109439460B - Wax remover, preparation method thereof and wax removing method - Google Patents
Wax remover, preparation method thereof and wax removing method Download PDFInfo
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- CN109439460B CN109439460B CN201811450671.2A CN201811450671A CN109439460B CN 109439460 B CN109439460 B CN 109439460B CN 201811450671 A CN201811450671 A CN 201811450671A CN 109439460 B CN109439460 B CN 109439460B
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- cleaning solution
- polyoxyethylene ether
- wax
- fatty alcohol
- oil
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title abstract description 18
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 141
- 238000004140 cleaning Methods 0.000 claims abstract description 94
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- 229940051841 polyoxyethylene ether Drugs 0.000 claims abstract description 42
- 229920000056 polyoxyethylene ether Polymers 0.000 claims abstract description 42
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000007788 liquid Substances 0.000 claims abstract description 37
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000002480 mineral oil Substances 0.000 claims abstract description 34
- 235000010446 mineral oil Nutrition 0.000 claims abstract description 34
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000003502 gasoline Substances 0.000 claims abstract description 32
- 235000014113 dietary fatty acids Nutrition 0.000 claims abstract description 25
- 239000000194 fatty acid Substances 0.000 claims abstract description 25
- 229930195729 fatty acid Natural products 0.000 claims abstract description 25
- 150000004665 fatty acids Chemical class 0.000 claims abstract description 25
- 239000008367 deionised water Substances 0.000 claims abstract description 23
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 23
- 239000003240 coconut oil Substances 0.000 claims abstract description 22
- 235000019864 coconut oil Nutrition 0.000 claims abstract description 22
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims abstract description 21
- 239000003350 kerosene Substances 0.000 claims abstract description 16
- 239000003208 petroleum Substances 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 15
- 235000015112 vegetable and seed oil Nutrition 0.000 claims abstract description 14
- 239000008158 vegetable oil Substances 0.000 claims abstract description 14
- 229920001451 polypropylene glycol Polymers 0.000 claims abstract description 13
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims abstract description 12
- 229910052938 sodium sulfate Inorganic materials 0.000 claims abstract description 12
- 235000011152 sodium sulphate Nutrition 0.000 claims abstract description 12
- 239000001993 wax Substances 0.000 claims description 69
- 239000000243 solution Substances 0.000 claims description 61
- 238000005406 washing Methods 0.000 claims description 37
- 238000003756 stirring Methods 0.000 claims description 31
- 239000007864 aqueous solution Substances 0.000 claims description 27
- 239000011259 mixed solution Substances 0.000 claims description 21
- -1 polypropylene Polymers 0.000 claims description 19
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 16
- 239000004743 Polypropylene Substances 0.000 claims description 16
- 229920001155 polypropylene Polymers 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 11
- 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 claims description 9
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 9
- 229910052708 sodium Inorganic materials 0.000 claims description 9
- 239000011734 sodium Substances 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000012188 paraffin wax Substances 0.000 claims description 7
- 239000002537 cosmetic Substances 0.000 claims description 6
- 235000019483 Peanut oil Nutrition 0.000 claims description 5
- 235000019484 Rapeseed oil Nutrition 0.000 claims description 5
- 239000000312 peanut oil Substances 0.000 claims description 5
- 239000003549 soybean oil Substances 0.000 claims description 5
- 235000012424 soybean oil Nutrition 0.000 claims description 5
- 239000004006 olive oil Substances 0.000 claims description 3
- 235000008390 olive oil Nutrition 0.000 claims description 3
- 235000019486 Sunflower oil Nutrition 0.000 claims 1
- 239000002600 sunflower oil Substances 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 33
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 13
- 239000003795 chemical substances by application Substances 0.000 abstract description 11
- 238000012360 testing method Methods 0.000 abstract description 6
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 description 8
- 238000002791 soaking Methods 0.000 description 8
- QGWDKKHSDXWPET-UHFFFAOYSA-E pentabismuth;oxygen(2-);nonahydroxide;tetranitrate Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[O-2].[Bi+3].[Bi+3].[Bi+3].[Bi+3].[Bi+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O QGWDKKHSDXWPET-UHFFFAOYSA-E 0.000 description 7
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 239000003921 oil Substances 0.000 description 6
- 235000019198 oils Nutrition 0.000 description 6
- 238000007605 air drying Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 150000002191 fatty alcohols Chemical class 0.000 description 4
- 235000020238 sunflower seed Nutrition 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 244000060011 Cocos nucifera Species 0.000 description 2
- 235000013162 Cocos nucifera Nutrition 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000005554 pickling Methods 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 229960001701 chloroform Drugs 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- JMGZBMRVDHKMKB-UHFFFAOYSA-L disodium;2-sulfobutanedioate Chemical compound [Na+].[Na+].OS(=O)(=O)C(C([O-])=O)CC([O-])=O JMGZBMRVDHKMKB-UHFFFAOYSA-L 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 150000002194 fatty esters Chemical class 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- DAJSVUQLFFJUSX-UHFFFAOYSA-M sodium;dodecane-1-sulfonate Chemical compound [Na+].CCCCCCCCCCCCS([O-])(=O)=O DAJSVUQLFFJUSX-UHFFFAOYSA-M 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/83—Mixtures of non-ionic with anionic compounds
- C11D1/831—Mixtures of non-ionic with anionic compounds of sulfonates with ethers of polyoxyalkylenes without phosphates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/044—Hydroxides or bases
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2003—Alcohols; Phenols
- C11D3/2006—Monohydric alcohols
- C11D3/201—Monohydric alcohols linear
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/38—Products with no well-defined composition, e.g. natural products
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/38—Products with no well-defined composition, e.g. natural products
- C11D3/382—Vegetable products, e.g. soya meal, wood flour, sawdust
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/008—Polymeric surface-active agents
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/22—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/29—Sulfates of polyoxyalkylene ethers
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/72—Ethers of polyoxyalkylene glycols
-
- C11D2111/14—
Abstract
The invention relates to a wax remover, a preparation method thereof and a wax removing method. The wax removing agent comprises a front cleaning solution and a rear cleaning solution, and the front cleaning solution is prepared from the following raw materials in percentage by mass: 18-25% of petroleum ether, 20-30% of kerosene, 15-30% of gasoline, 8-16% of vegetable oil, 5-10% of absolute ethyl alcohol, 5-10% of isopropanol and 2-8% of polypropylene glycol; the raw materials for preparing the post-cleaning solution comprise: 8-12% of sodium dodecyl benzene sulfonate, 6-10% of fatty alcohol-polyoxyethylene ether sodium sulfate, 5-10% of fatty alcohol-polyoxyethylene ether, 1-3% of coconut oil fatty acid diethanolamide, 5-10% of absolute ethyl alcohol, 1-5% of white mineral oil, 1-5% of sodium hydroxide and the balance of deionized water. Experimental tests show that the wax removing agent has strong wax removing capability and low heavy metal content in waste liquid.
Description
Technical Field
The invention relates to the field of cleaning fluid, in particular to a wax remover, a preparation method thereof and a wax removing method.
Background
In the production of wax products or scientific research and experiment work, various waste waxes are often adhered to the wall of a container, which brings inconvenience to production or scientific research.
At present, some common methods for removing the waste wax exist in production workshops or scientific research laboratories, but the used solvent often contains concentrated sulfuric acid, concentrated hydrochloric acid, potassium dichromate, trichloromethane, carbon tetrachloride and other components. By using the traditional cleaning solution, on one hand, a wax film layer is remained after drying, and waste wax is remained; on the other hand, the vessel may be corroded due to the presence of strong acid, and the waste liquid in washing may contain a lot of heavy metal components contaminating the environment.
Disclosure of Invention
Therefore, a wax remover with strong wax removing capability and low heavy metal content in waste liquid is needed.
In addition, a preparation method of the wax remover and a wax removing method are also provided.
The wax removing agent comprises a front cleaning liquid and a rear cleaning liquid, wherein the raw materials for preparing the front cleaning liquid comprise, by mass:
the raw materials for preparing the post-cleaning solution comprise:
in one embodiment, the gasoline is selected from at least one of gasoline # 90, gasoline # 92, gasoline # 95 and gasoline # 98; and/or the vegetable oil is selected from at least one of rapeseed oil, peanut oil, soybean oil, olive oil and sunflower seed oil; and/or, the polypropylene glycol is selected from at least one of polypropylene glycol-200, polypropylene glycol-400 and polypropylene glycol-600; and/or the fatty alcohol-polyoxyethylene ether is selected from at least one of fatty alcohol-polyoxyethylene ether-7, fatty alcohol-polyoxyethylene ether-9 and fatty alcohol-polyoxyethylene ether-10; and/or the white mineral oil is selected from at least one of 15# cosmetic grade white mineral oil, 26# cosmetic grade white mineral oil and 68# cosmetic grade white mineral oil.
A preparation method of the wax removing agent comprises the following steps:
mixing 18-25% of petroleum ether, 20-30% of kerosene, 15-30% of gasoline, 8-16% of vegetable oil, 5-10% of absolute ethyl alcohol, 5-10% of isopropanol and 2-8% of polypropylene glycol according to mass percentage to obtain a pre-cleaning solution; mixing the 8-12% of sodium dodecyl benzene sulfonate, the 6-10% of sodium fatty alcohol-polyoxyethylene ether sulfate, the 5-10% of fatty alcohol-polyoxyethylene ether, the 1-3% of coconut oil fatty acid diethanolamide, the 5-10% of absolute ethyl alcohol, the 1-5% of white mineral oil and the 1-5% of sodium hydroxide to obtain the after-cleaning solution.
In one embodiment, the specific steps of preparing the pre-cleaning solution include: and stirring at the room temperature at the speed of 100 r/min-120 r/min, and uniformly mixing the petroleum ether, the kerosene, the gasoline, the vegetable oil, the absolute ethyl alcohol, the isopropanol and the polypropylene glycol to obtain a pre-cleaning solution.
In one embodiment, the specific steps of preparing the post-cleaning solution include:
dissolving the sodium hydroxide by using the deionized water to obtain an aqueous solution of the sodium hydroxide;
mixing the sodium dodecyl benzene sulfonate, the fatty alcohol-polyoxyethylene ether sodium sulfate, the fatty alcohol-polyoxyethylene ether and the coconut oil fatty acid diethanolamide with the aqueous solution of sodium hydroxide to obtain a first mixed solution;
and adding the absolute ethyl alcohol and the white mineral oil into the first mixed solution, and standing until the mixture is clear to obtain a post-cleaning solution.
In one embodiment, the step of dissolving the sodium hydroxide into the deionized water comprises: stirring the deionized water at the speed of 100 r/min-120 r/min at room temperature, and adding the 1% -5% of sodium hydroxide into the deionized water while stirring.
In one embodiment, the specific steps of dissolving the sodium dodecylbenzenesulfonate, the sodium fatty alcohol-polyoxyethylene ether sulfate, the fatty alcohol-polyoxyethylene ether, and the coconut fatty acid diethanolamide in the aqueous solution of sodium hydroxide include: heating the aqueous solution of sodium hydroxide to 40-50 ℃; and then adding the sodium dodecyl benzene sulfonate, the sodium fatty alcohol-polyoxyethylene ether sulfate, the fatty alcohol-polyoxyethylene ether and the coconut oil fatty acid diethanolamide into the heated aqueous solution of the sodium hydroxide under the condition of stirring at the speed of 300 r/min-500 r/min.
In one embodiment, the specific steps of adding the absolute ethanol and the white mineral oil into the first mixed solution include: and under the condition of stirring at the speed of 300 r/min-500 r/min, adding the absolute ethyl alcohol and the white mineral oil into the first mixed solution, and standing until the mixture is clear to obtain the post-cleaning solution.
A method of wax removal comprising the steps of:
firstly, washing a container to be washed by using a front washing liquid, wherein the front washing liquid comprises, by mass, 18% -25% of petroleum ether, 20% -30% of kerosene, 15% -30% of gasoline, 8% -16% of vegetable oil, 5% -10% of absolute ethyl alcohol, 5% -10% of isopropanol and 2% -8% of polypropylene glycol;
then, cleaning the container to be cleaned with a post-cleaning solution, wherein the post-cleaning solution comprises, by mass, 8% -12% of sodium dodecyl benzene sulfonate, 6% -10% of fatty alcohol-polyoxyethylene ether sodium sulfate, 5% -10% of fatty alcohol-polyoxyethylene ether, 1% -3% of coconut oil fatty acid diethanolamide, 5% -10% of absolute ethyl alcohol, 1% -5% of white mineral oil and 1% -5% of sodium hydroxide;
and then cleaning the container to be washed by water with the temperature of 80-100 ℃.
In one embodiment, before the step of washing the container to be washed with the pre-cleaning solution, the step of soaking the container to be washed with water at 80-100 ℃ for 5-10 min is further included; and/or after the step of washing the container to be washed by water with the temperature of 80-100 ℃, the step of washing the container to be washed by ultrasonic waves by water with the temperature of 50-70 ℃ is also included.
Experimental tests prove that: the wax removing agent has strong wax removing capability and low heavy metal content in waste liquid.
Drawings
Fig. 1 is a flowchart of a wax removal method according to an embodiment.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
In this context, all raw materials are contained in mass percentages unless otherwise specified; the room temperature is 20-30 ℃.
The wax remover comprises a front cleaning solution and a rear cleaning solution, wherein the raw materials for preparing the front cleaning solution comprise the following components in percentage by mass:
the raw materials of the prepared cleaning solution comprise:
it should be noted that the sodium dodecylsulfonate can be replaced by sodium dodecylbenzenesulfonate or sodium sulfosuccinate; the coconut oil fatty acid diethanolamide can be replaced by coconut oil fatty acid monoethanolamide.
Experimental tests prove that: the wax removing agent has strong wax removing capability and low heavy metal content in waste liquid.
In one embodiment, the gasoline is selected from at least one of gasoline # 90, gasoline # 92, gasoline # 95 and gasoline # 98; and/or, the vegetable oil is selected from at least one of rapeseed oil, peanut oil, soybean oil, olive oil and sunflower seed oil; and/or the polypropylene glycol is at least one selected from the group consisting of polypropylene glycol-200, polypropylene glycol-400 and polypropylene glycol-600; and/or the fatty alcohol-polyoxyethylene ether is at least one selected from fatty alcohol-polyoxyethylene ether-7, fatty alcohol-polyoxyethylene ether-9 and fatty alcohol-polyoxyethylene ether-10, and/or the white mineral oil is at least one selected from 15# cosmetic white mineral oil, 26# cosmetic white mineral oil and 68# cosmetic white mineral oil.
The method for preparing the wax remover according to an embodiment includes the steps of:
step S100: according to the mass percentage, 18-25% of petroleum ether, 20-30% of kerosene, 15-30% of gasoline, 8-16% of vegetable oil, 5-10% of absolute ethyl alcohol, 5-10% of isopropanol and 2-8% of polypropylene glycol are mixed to obtain a front cleaning solution;
step S200: mixing 8-12% of sodium dodecyl benzene sulfonate, 6-10% of sodium fatty alcohol-polyoxyethylene ether sulfate, 5-10% of fatty alcohol-polyoxyethylene ether, 1-3% of coconut oil fatty acid diethanolamide, 5-10% of absolute ethyl alcohol, 1-5% of white mineral oil and 1-5% of sodium hydroxide to obtain the post-cleaning solution.
In one embodiment, the step of preparing the pre-cleaning solution (i.e., step S100) includes:
and (3) stirring at room temperature and at the speed of 100 r/min-120 r/min, and uniformly mixing the petroleum ether, the kerosene, the gasoline, the vegetable oil, the absolute ethyl alcohol, the isopropanol and the polypropylene glycol to obtain a pre-cleaning solution.
In one embodiment, the specific step of preparing the post-cleaning solution (i.e., step S200) includes:
step S220: dissolving the sodium hydroxide by using deionized water to obtain a sodium hydroxide aqueous solution;
step S240: mixing the sodium dodecyl benzene sulfonate, the fatty alcohol-polyoxyethylene ether sodium sulfate, the fatty alcohol-polyoxyethylene ether and the coconut oil fatty acid diethanolamide with the aqueous solution of sodium hydroxide to obtain a first mixed solution;
step S260: and adding the absolute ethyl alcohol and the white mineral oil into the first mixed solution, and standing until the mixture is clear to obtain a post-cleaning solution.
In one embodiment, the step of dissolving the sodium hydroxide into the deionized water (i.e., step S220) includes: stirring the deionized water at the speed of 100 r/min-120 r/min at room temperature, and adding the 1% -5% of sodium hydroxide into the deionized water while stirring.
In one embodiment, the specific step of dissolving sodium dodecylbenzenesulfonate, sodium fatty alcohol-polyoxyethylene ether sulfate, fatty alcohol-polyoxyethylene ether, and coconut fatty acid diethanolamide in the aqueous solution of sodium hydroxide (i.e., step S240) includes: heating the aqueous solution of sodium hydroxide to 40-50 ℃; then under the condition of stirring at the speed of 300 r/min-500 r/min, adding sodium dodecyl benzene sulfonate, fatty alcohol-polyoxyethylene ether sodium sulfate, fatty alcohol-polyoxyethylene ether and coconut oil fatty acid diethanolamide into the heated sodium hydroxide aqueous solution.
In one embodiment, the step of adding absolute ethanol and white mineral oil to the first mixed solution (i.e., step S260) includes: and adding absolute ethyl alcohol and white mineral oil into the first mixed solution under the condition of stirring at the speed of 300 r/min-500 r/min, and standing until the mixture is clear to obtain the post-cleaning solution.
As shown in fig. 1, the method for removing wax according to an embodiment includes the steps of:
step S320: firstly, washing a container to be washed by using a front cleaning solution, wherein the front cleaning solution comprises, by mass, 18-25% of petroleum ether, 20-30% of kerosene, 15-30% of gasoline, 8-16% of vegetable oil, 5-10% of absolute ethyl alcohol, 5-10% of isopropanol and 2-8% of polypropylene glycol;
the front cleaning liquid is mainly used for cleaning the waste wax on the wall of the container to be cleaned, wherein petroleum ether, kerosene and gasoline mainly provide aliphatic hydrocarbon and naphthenic hydrocarbon, vegetable oil mainly provides higher fatty acid and higher fatty ester, and the petroleum ether, the kerosene and the vegetable oil are used for mutually dissolving with components in the waste wax to achieve the purpose of removing the waste wax; absolute ethyl alcohol and isopropanol are used for removing polar components in the waste wax; the polypropylene glycol mainly plays roles of lubrication, compatibilization and defoaming.
Step S330: then, cleaning the container to be cleaned with a post-cleaning solution, wherein the post-cleaning solution comprises, by mass, 8% -12% of sodium dodecyl benzene sulfonate, 6% -10% of fatty alcohol-polyoxyethylene ether sodium sulfate, 5% -10% of fatty alcohol-polyoxyethylene ether, 1% -3% of coconut oil fatty acid diethanolamide, 5% -10% of absolute ethyl alcohol, 1% -5% of white mineral oil and 1% -5% of sodium hydroxide;
the post-cleaning solution is mainly used for cleaning residual wax films and residual front-cleaning solution on the wall of the cleaner, wherein sodium dodecyl sulfate, fatty alcohol-polyoxyethylene ether sodium sulfate, fatty alcohol-polyoxyethylene ether and coconut oil fatty acid diethanolamide are used as surfactants, so that the post-cleaning solution has the functions of decontamination, emulsification and foaming, and the residual wax films and the front-cleaning solution can be better cleaned by synergistic effect of the sodium dodecyl sulfate, the fatty alcohol-polyoxyethylene ether sodium sulfate, the fatty alcohol-polyoxyethylene ether and the coconut oil fatty acid diethanolamide.
Step S340: and then the container to be washed is washed by water with the temperature of 80-100 ℃.
In one embodiment, before the step of washing the container to be washed with the pre-cleaning solution (i.e., step S320), the method further comprises a step S310 of soaking the container to be washed with water at 80-100 ℃ for 5-10 min; and/or, after the step of washing the container to be washed with water of 80-100 ℃ (i.e. step S340), further comprising a step S350 of washing the container to be washed with water of 50-70 ℃ by ultrasonic waves.
It should be noted that the above steps S310 and S350 are only additional steps, not necessary steps, and the hot water soaking before cleaning (i.e. step S310) and the ultrasonic cleaning after water cleaning (i.e. step S350) are both for ensuring that the cleaning of the waste wax is more time-saving and efficient.
Experimental tests prove that: the wax remover is used for removing the waste wax on the container to be cleaned according to the steps, so that the cleaning is cleaner and more thorough, and the heavy metal content in the waste liquid after the cleaning is low.
The following are specific examples:
example 1
The preparation steps of the wax remover of the embodiment are as follows:
(1) the preparation method of the front cleaning solution comprises the following steps:
under stirring at room temperature and at a controlled rate of 100r/min, 18.7% petroleum ether, 28.9% kerosene, 19.4% No. 92 gasoline, 15.6% rapeseed oil, 9.5% absolute ethanol, 5.6% isopropyl alcohol and 2.3% polypropylene glycol-200 were mixed to obtain a pre-wash.
(2) The preparation steps of the post-cleaning liquid are as follows:
1) 61.2% deionized water was stirred at 100r/min at room temperature, and 1.6% sodium hydroxide was added to the deionized water while stirring to obtain an aqueous solution of sodium hydroxide.
2) Heating the aqueous solution of sodium hydroxide to 40 ℃; then under the condition of stirring at the speed of 300r/min, 11.7 percent of sodium dodecyl benzene sulfonate, 6.4 percent of fatty alcohol-polyoxyethylene ether sodium sulfate, 9.8 percent of fatty alcohol-polyoxyethylene ether-9 and 2.8 percent of coconut oil fatty acid diethanolamide are added into the heated aqueous solution of sodium hydroxide to obtain a first mixed solution.
3) Under the condition of stirring at the speed of 300r/min, 5.2% of absolute ethyl alcohol and 1.3% of No. 26 cosmetic white mineral oil are added into the first mixed solution, and the mixture is kept stand until the mixture is clear, so that post-cleaning solution is obtained.
The wax remover prepared in example 1 was used to remove the waste wax from the containers to be washed:
1) soaking the container to be washed with the waste wax in water of 80 deg.C for 5 min;
2) washing the container to be washed with the front washing liquid for 3 times;
3) washing the container to be washed with the post-washing liquid for 3 times;
4) washing the container with 80 deg.C water for 3 times;
5) setting water temperature at 50 deg.C, cleaning the container with ultrasonic cleaner for 5min, and air drying.
Example 2
The preparation steps of the wax remover of the embodiment are as follows:
(1) the preparation method of the front cleaning solution comprises the following steps:
under stirring at room temperature and at a controlled rate of 110r/min, 24.3% petroleum ether, 20.6% kerosene, 29.7% 95# gasoline, 8.7% peanut oil, 5.7% absolute ethanol, 5.8% isopropyl alcohol and 5.2% polypropylene glycol-400 were mixed to obtain a pre-cleaning solution.
(2) The preparation steps of the post-cleaning liquid are as follows:
1) 59.7% deionized water was stirred at 110r/min at room temperature, and 4.6% sodium hydroxide was added to the deionized water while stirring to obtain an aqueous solution of sodium hydroxide.
2) Heating the aqueous solution of sodium hydroxide to 45 ℃; then under the condition of stirring at the speed of 400r/min, 8.2 percent of sodium dodecyl benzene sulfonate, 9.9 percent of sodium fatty alcohol-polyoxyethylene ether sulfate, 5.4 percent of fatty alcohol-polyoxyethylene ether-7 and 1.2 percent of coconut oil fatty acid diethanolamide are added into the heated aqueous solution of sodium hydroxide to obtain a first mixed solution.
3) Under the condition of stirring at the speed of 400r/min, 6.2% of absolute ethyl alcohol and 4.8% of No. 15 cosmetic white mineral oil are added into the first mixed solution, and after standing and clarification, the post-cleaning solution is obtained.
The wax remover prepared in example 2 was used to remove the waste wax from the containers to be washed:
1) soaking the container to be washed with the waste wax in water of 90 deg.C for 5 min;
2) washing the container to be washed with the front washing liquid for 2 times;
3) washing the container to be washed with the post-washing liquid for 2 times;
4) washing the container with 90 deg.C water for 2 times;
5) setting water temperature at 60 deg.C, cleaning the container with ultrasonic cleaner for 4min, and air drying.
Example 3
The preparation steps of the wax remover of the embodiment are as follows:
(1) the preparation method of the front cleaning solution comprises the following steps:
under room temperature, stirring was carried out at a controlled rate of 110r/min to mix 22.6% petroleum ether, 24.3% kerosene, 15.2% 98# gasoline, 13.6% soybean oil, 7.2% absolute ethanol, 9.5% isopropyl alcohol and 7.6% polypropylene glycol-600, thereby obtaining a pre-wash.
(2) The preparation steps of the post-cleaning liquid are as follows:
1) 54.9% deionized water was stirred at 110r/min at room temperature, and 2.8% sodium hydroxide was added to the deionized water while stirring to obtain an aqueous solution of sodium hydroxide.
2) Heating the aqueous solution of sodium hydroxide to 45 ℃; then under the condition of stirring at the speed of 400r/min, 10.5 percent of sodium dodecyl benzene sulfonate, 8.8 percent of fatty alcohol-polyoxyethylene ether sodium sulfate, 7.9 percent of fatty alcohol-polyoxyethylene ether-10 and 2.3 percent of coconut oil fatty acid diethanolamide are added into the heated aqueous solution of sodium hydroxide to obtain a first mixed solution.
3) Adding 9.6% of absolute ethyl alcohol and 3.2% of No. 68 cosmetic white mineral oil into the first mixed solution under the condition of stirring at the speed of 400r/min, and standing until the mixture is clear to obtain a post-cleaning solution.
The wax remover prepared in example 3 was used to remove the wax waste from the containers to be washed:
1) soaking the container to be washed with the waste wax in 100 deg.C water for 5 min;
2) washing the container to be washed with the front washing liquid for 3 times;
3) washing the container to be washed with the post-washing liquid for 3 times;
4) washing the container with 100 deg.C water for 3 times;
5) setting water temperature at 70 deg.C, cleaning the container with ultrasonic cleaner for 3min, and air drying.
Example 4
The preparation steps of the wax remover of the embodiment are as follows:
(1) the preparation method of the front cleaning solution comprises the following steps:
at room temperature, stirring was carried out at a controlled rate of 120r/min to mix 23.5% petroleum ether, 22.8% kerosene, 24.7% No. 92 gasoline, 11.4% sunflower seed oil, 6.3% absolute ethanol, 8.1% isopropyl alcohol and 3.2% polypropylene glycol-200, thereby obtaining a pre-wash.
(2) The preparation steps of the post-cleaning liquid are as follows:
1) 55.3% deionized water was stirred at 120r/min at room temperature, and 2.3% sodium hydroxide was added to the deionized water while stirring to obtain an aqueous solution of sodium hydroxide.
2) Heating the aqueous solution of sodium hydroxide to 50 ℃; then under the condition of stirring at the speed of 500r/min, 11.3 percent of sodium dodecyl benzene sulfonate, 10.8 percent of sodium fatty alcohol-polyoxyethylene ether sulfate, 8.6 percent of fatty alcohol-polyoxyethylene ether-9 and 2.6 percent of coconut oil fatty acid diethanolamide are added into the heated aqueous solution of sodium hydroxide to obtain a first mixed solution.
3) Adding 7.3% of absolute ethyl alcohol and 1.8% of No. 26 cosmetic white mineral oil into the first mixed solution under the condition of stirring at the speed of 500r/min, and standing until the mixture is clear to obtain a post-cleaning solution.
The wax remover prepared in example 4 was used to remove the wax waste from the containers to be washed:
1) soaking the container to be washed with the waste wax in 100 deg.C water for 5 min;
2) washing the container to be washed with the front washing liquid for 3 times;
3) washing the container to be washed with the post-washing liquid for 3 times;
4) washing the container with 100 deg.C water for 3 times;
5) setting water temperature at 50 deg.C, cleaning the container with ultrasonic cleaner for 5min, and air drying.
The following table 1 shows the mass percentage content of each raw material of the wax remover of examples 1 to 4.
Table 1 table of mass percentage of each raw material in each example
| Raw material of pre-cleaning liquid | Example 1 | Example 2 | Example 3 | Example 4 |
| Petroleum ether (%) | 18.7 | 24.3 | 22.6 | 23.5 |
| Kerosene (%) | 28.9 | 20.6 | 24.3 | 22.8 |
| 92# gasoline (%) | 19.4 | / | / | 24.7 |
| 95# gasoline (%) | / | 29.7 | / | / |
| 98# gasoline (%) | / | / | 15.2 | / |
| Rapeseed oil (%) | 15.6 | / | / | / |
| Peanut oil (%) | / | 8.7 | / | / |
| Soybean oil (%) | / | / | 13.6 | / |
| Sunflower seed oil (%) | / | / | / | 11.4 |
| Absolute ethanol (%) | 9.5 | 5.7 | 7.2 | 6.3 |
| Isopropyl alcohol (%) | 5.6 | 5.8 | 9.5 | 8.1 |
| Polypropylene glycol-200 (%) | 2.3 | / | / | 3.2 |
| Polypropylene glycol-400 (%) | / | 5.2 | / | / |
| Polypropylene glycol-600 (%) | / | / | 7.6 | / |
| Raw material of post-cleaning liquid | Example 1 | Example 2 | Example 3 | Example 4 |
| Sodium dodecylbenzenesulfonate (%) | 11.7 | 8.2 | 10.5 | 11.3 |
| Fatty alcohol polyoxyethylene ether sulfurSodium salt (%) | 6.4 | 9.9 | 8.8 | 10.8 |
| Fatty alcohol polyoxyethylene ether-7 (%) | / | 5.4 | / | / |
| Fatty alcohol polyoxyethylene ether-9 (%) | 9.8 | / | / | 8.6 |
| Fatty alcohol polyoxyethylene ether-10 (%) | / | / | 7.9 | / |
| Coconut oil fatty acid diethanolamide (%) | 2.8 | 1.2 | 2.3 | 2.6 |
| Absolute ethanol (%) | 5.2 | 6.2 | 9.6 | 7.3 |
| 15# white mineral oil (%) | / | 4.8 | / | / |
| 26# white mineral oil (%) | 1.3 | / | / | 1.8 |
| 68# white mineral oil (%) | / | / | 3.2 | / |
| Sodium hydroxide (%) | 1.6 | 4.6 | 2.8 | 2.3 |
| Deionized water (%) | 61.2 | 59.7 | 54.9 | 55.3 |
Comparative example 1
The dewaxing agent of comparative example 1 is potassium dichromate pickling solution commonly used in the industry, wherein the pre-cleaning solution: the mass percentages of the components are 50 percent of absolute ethyl alcohol and 50 percent of dichloromethane respectively; post-cleaning fluid: the mass percentage contents of the acid washing solution are respectively 8 percent of potassium dichromate acid washing solution, 24.5 percent of concentrated sulfuric acid (with the concentration of 98 percent) and 67.5 percent of distilled water.
The wax remover prepared in example 4 was used to remove the wax waste from the containers to be washed:
(1) taking a proper amount of a container to be washed with the front cleaning liquid stuck with the waste wax for 30min, wiping the container with a brush, and pouring out a mixed solution of anhydrous ethanol and dichloromethane;
(2) soaking the container to be washed in a proper amount of the cleaning solution for 15min, wiping the container with a brush, recovering the potassium dichromate pickling solution, washing the container with clear water, and drying.
And (3) wax removal effect and heavy metal content test of waste liquid:
the containers cleaned with the paraffin removal agents of examples 1-4 and comparative example 1 were tested for paraffin removal effect and heavy metal content in the waste liquid.
The test method comprises the following steps: and (4) observing whether the surface of the container has residual oil stains and wax stains by naked eyes, and touching the surface of the container by hands to determine whether the surface of the container is smooth and clean. And (3) detection reference of heavy metal content in the waste liquid: standard HJBZ 8-1999 detergents.
And (3) testing results: the paraffin removal effects and heavy metal contents of the waste liquid of the paraffin removal agents of examples 1 to 4 and comparative example 1 are shown in a comparison table (Table 2).
TABLE 2 comparison table of paraffin removal effect and heavy metal content in waste liquid of the paraffin removal agent of examples 1-4 and comparative example 1
From the above table, it can be seen that: compared with the comparative example 1, the wax remover prepared in the embodiment 1-4 is used for removing the waste wax on the container to be washed, so that the washed container has no residual oil stain or residual wax stain, the surface is clean and smooth, and the heavy metal content in the waste liquid is extremely low. Therefore, the wax removing agent has a strong wax removing ability and a low heavy metal content in the waste liquid.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The wax remover is characterized by comprising a front cleaning solution and a rear cleaning solution, wherein the front cleaning solution is prepared from the following raw materials in percentage by mass based on the total mass of the front cleaning solution:
the post-cleaning liquid is prepared from the following raw materials in percentage by mass of the total mass of the post-cleaning liquid:
2. the wax remover according to claim 1, wherein the gasoline is selected from at least one of 90# gasoline, 92# gasoline, 95# gasoline and 98# gasoline.
3. The wax remover according to claim 1, wherein the vegetable oil is at least one selected from the group consisting of rapeseed oil, peanut oil, soybean oil, olive oil, and sunflower oil.
4. The wax remover according to claim 1, wherein the polypropylene glycol is at least one selected from the group consisting of polypropylene glycol-200, polypropylene glycol-400, and polypropylene glycol-600; and/or the fatty alcohol-polyoxyethylene ether is selected from at least one of fatty alcohol-polyoxyethylene ether-7, fatty alcohol-polyoxyethylene ether-9 and fatty alcohol-polyoxyethylene ether-10; and/or the white mineral oil is selected from at least one of 15# cosmetic grade white mineral oil, 26# cosmetic grade white mineral oil and 68# cosmetic grade white mineral oil.
5. A method for preparing a wax remover according to any one of claims 1 to 4, comprising the steps of:
the specific steps for preparing the pre-cleaning solution comprise: stirring at the room temperature at the speed of 100 r/min-120 r/min to uniformly mix the petroleum ether, the kerosene, the gasoline, the vegetable oil, the absolute ethyl alcohol, the isopropanol and the polypropylene glycol to obtain a pre-cleaning solution;
the specific steps for preparing the post-cleaning solution comprise: dissolving the sodium hydroxide by using the deionized water to obtain an aqueous solution of the sodium hydroxide; mixing the sodium dodecyl benzene sulfonate, the fatty alcohol-polyoxyethylene ether sodium sulfate, the fatty alcohol-polyoxyethylene ether and the coconut oil fatty acid diethanolamide with the aqueous solution of sodium hydroxide to obtain a first mixed solution; and adding the absolute ethyl alcohol and the white mineral oil into the first mixed solution, and standing until the mixture is clear to obtain a post-cleaning solution.
6. The method for preparing the wax remover according to claim 5, wherein the step of dissolving the sodium hydroxide with the deionized water comprises: stirring the deionized water at the speed of 100 r/min-120 r/min at room temperature, and adding the 1% -5% of sodium hydroxide into the deionized water while stirring.
7. The method for preparing the wax remover according to claim 5, wherein the specific steps of mixing the sodium dodecyl benzene sulfonate, the sodium fatty alcohol-polyoxyethylene ether sulfate, the fatty alcohol-polyoxyethylene ether and the coconut oil fatty acid diethanolamide with the aqueous solution of the sodium hydroxide comprise: heating the aqueous solution of sodium hydroxide to 40-50 ℃; and then adding the sodium dodecyl benzene sulfonate, the sodium fatty alcohol-polyoxyethylene ether sulfate, the fatty alcohol-polyoxyethylene ether and the coconut oil fatty acid diethanolamide into the heated sodium hydroxide aqueous solution under the condition of stirring at the speed of 300 r/min-500 r/min.
8. The method for preparing the paraffin remover according to claim 5, wherein the step of adding the absolute ethanol and the white mineral oil into the first mixed solution comprises: and under the condition of stirring at the speed of 300 r/min-500 r/min, adding the absolute ethyl alcohol and the white mineral oil into the first mixed solution, and standing until the mixture is clear to obtain the post-cleaning solution.
9. A method for removing wax, comprising the steps of:
firstly, cleaning a container to be cleaned by using a front cleaning solution, wherein the front cleaning solution is prepared from the following raw materials in percentage by mass: 18-25% of petroleum ether, 20-30% of kerosene, 15-30% of gasoline, 8-16% of vegetable oil, 5-10% of absolute ethyl alcohol, 5-10% of isopropanol and 2-8% of polypropylene glycol;
and then cleaning the container to be cleaned with a post-cleaning solution, wherein the post-cleaning solution is prepared from the following raw materials in percentage by mass of the total mass of the post-cleaning solution: 8-12% of sodium dodecyl benzene sulfonate, 6-10% of fatty alcohol-polyoxyethylene ether sodium sulfate, 5-10% of fatty alcohol-polyoxyethylene ether, 1-3% of coconut oil fatty acid diethanolamide, 5-10% of absolute ethyl alcohol, 1-5% of white mineral oil, 1-5% of sodium hydroxide and the balance of deionized water;
and then cleaning the container to be washed by water with the temperature of 80-100 ℃.
10. The wax removing method according to claim 9, further comprising a step of immersing the container to be washed with water at 80 to 100 ℃ for 5 to 10min, prior to the step of washing the container to be washed with the pre-cleaning liquid; and/or after the step of washing the container to be washed by water with the temperature of 80-100 ℃, the step of washing the container to be washed by ultrasonic waves by water with the temperature of 50-70 ℃ is also included.
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