CN116285893A - Grinding fluid for vortex grinder and preparation method - Google Patents

Grinding fluid for vortex grinder and preparation method Download PDF

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Publication number
CN116285893A
CN116285893A CN202310063538.6A CN202310063538A CN116285893A CN 116285893 A CN116285893 A CN 116285893A CN 202310063538 A CN202310063538 A CN 202310063538A CN 116285893 A CN116285893 A CN 116285893A
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grinding
cerium
deionized water
organic additive
grinding fluid
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郝利峰
周阳
林立钰
方玉洁
曹枫
蒋泽文
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Huzhou University
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/14—Anti-slip materials; Abrasives
    • C09K3/1454—Abrasive powders, suspensions and pastes for polishing
    • C09K3/1463—Aqueous liquid suspensions
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/68—Preparation of metal alcoholates
    • 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
    • C10M173/00—Lubricating compositions containing more than 10% water
    • C10M173/02—Lubricating compositions containing more than 10% water not containing mineral or fatty oils
    • 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
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
    • C10M2209/104—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms only
    • 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
    • C10M2211/00—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions
    • C10M2211/04—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions containing carbon, hydrogen, halogen, and oxygen
    • C10M2211/042—Alcohols; Ethers; Aldehydes; Ketones
    • 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
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/08—Amides
    • C10M2215/082—Amides containing hydroxyl groups; Alkoxylated derivatives
    • 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
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/02—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds
    • C10M2219/024—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds of esters, e.g. fats
    • 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
    • C10N2030/04—Detergent property or dispersant property
    • 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
    • C10N2040/22—Metal working with essential removal of material, e.g. cutting, grinding or drilling

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Lubricants (AREA)

Abstract

The invention discloses grinding fluid for an eddy-current grinding machine and a preparation method thereof, and relates to the technical field of grinding materials. The composite material comprises the following components in percentage by mass: OP-4 5-10%, OP-10%, coconut oil fatty acid diethanolamide 2-5%, vulcanized lard oil 0.5-1%, cerium-chlorine organic additive 5-20%, and deionized water in balance. The self-made cerium-chlorine organic additive has excellent water solubility and can improve the grinding efficiency, and cerium and chlorine elements in the cerium-chlorine organic additive can be uniformly dispersed on the surface of a workpiece in the grinding process, so that the grinding efficiency is improved and the consistency of the grinding surface is improved. The grinding fluid provided by the invention has the advantages that the energy consumption is reduced, the cutting efficiency is improved, and the grinding effect of the vortex grinding machine can be improved.

Description

Grinding fluid for vortex grinder and preparation method
Technical Field
The invention relates to the technical field of grinding materials, in particular to grinding liquid for an eddy-current grinding machine and a preparation method thereof.
Background
The grinding processing is widely applied to the metal surface treatment industry as a surface treatment method. In recent years, the method is applied to a research and development process of a metal workpiece processing technology.
In order to overcome the defects of large dust pollution, great harm to the body of operators, serious environmental pollution and the like of the three-acid potassium dichromate and the like in the traditional surface treatment process, the vibration polishing technology is developed. The grinding technology is to put a certain proportion of workpiece, grinding liquid and polishing grinding block into a hopper of a vibration polishing machine, and to process the surface of the workpiece by utilizing relative periodic friction movement between the grinding tool and the workpiece so as to improve the surface quality of the workpiece, reduce the surface roughness of the workpiece, improve the physical or mechanical properties of the surface of the workpiece, reduce the surface defects (such as edge burrs, flash and fine cracks) of the workpiece in the process of processing and forming, and the like. The performance of the slurry in the vibratory finishing technique and the cooperation with the abrasive directly determine the grinding efficiency and grinding quality. The grinding fluid generally comprises a surfactant, an antirust agent, an anti-precipitant, acid and alkali and the like, wherein the surfactant accounts for a great proportion of the components of the grinding fluid. The grinding fluid can play a role in buffering, namely, severe collision among parts, parts and grinding blocks and between the grinding blocks is avoided, and the purposes of cleaning greasy dirt, abrasive dust or impurities adhered on the parts and the grinding blocks, ensuring the grinding capability of the grinding blocks and preventing workpieces from rusting can also be achieved. The grinding fluid can also participate in the barreling processing process through self chemical reaction, thereby improving the brightness degree of parts and the like.
The grinding and polishing technology in the prior art has the technical problem of lower production efficiency, such as: the rough polishing and the fine polishing generally need 3-4 hours. The vortex grinder adopts the latest vortex type barreling finishing method, and the processing roller consists of a fixed cylinder wall and a rotating chassis. In the processing process, the rotary chassis rotates at a certain rotation speed, and the rotation speed of the rotary chassis is generally 50-180 r/min. The grinding fluid adopted in the current vortex grinding machine is mainly liquid mainly comprising surfactant and acid and alkali, and the cutting is basically based on friction between the filler and the workpiece. For grinding fluids containing inorganic nanoparticles, on the one hand, less is used in the vortex mill and, on the other hand, poor dispersion and rapid sedimentation of the inorganic nanoparticles in the liquid, also do not improve the grinding effect of the vortex mill.
It follows that the prior art is still further improved.
Disclosure of Invention
An object of the present invention is to provide a polishing liquid for a vortex mill, which improves cutting efficiency while reducing power consumption and improves polishing effect of the vortex mill.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the grinding fluid for the vortex grinder comprises the following components in percentage by mass:
Figure BDA0004062203210000021
the cerium-chlorine organic additive is prepared by the following method:
a. sequentially adding a certain amount of cerium acetate, deionized water and absolute ethyl alcohol into a reaction container, and uniformly mixing the cerium acetate, the deionized water and the absolute ethyl alcohol by stirring to obtain a mixed solution;
b. adding a certain amount of phosphorus oxychloride into the mixed solution, refluxing for a period of time at 65-75 ℃ and performing rotary evaporation to obtain transparent oily liquid;
c. washing the transparent liquid to obtain the cerium-chlorine organic additive.
In the step a, the mass volume ratio of cerium acetate to deionized water is 1:3g/mL, the volume ratio of deionized water to absolute ethyl alcohol is 3:2, and the mixture is stirred for 0.4 to 0.6h at the temperature of 45 to 55 ℃.
In the step b, the mass ratio of phosphorus oxychloride to cerium acetate is 3:10, the temperature is 65-75 ℃ and reflux is carried out for 24 hours, and the temperature is 80-100 ℃ and rotary evaporation is carried out.
Further, in the step c, the dimethyl ether solvent is adopted for washing for at least three times.
Further, the purities of the OP-4 and the OP-10 are 99 percent.
Further, the kinematic viscosity of the vulcanized lard is less than 500mm at 40 DEG C 2 /s。
Another object of the present invention is to provide a method for preparing an abrasive liquid for an eddy current grinder as described above, comprising the steps of:
step one, stirring and dissolving OP-4 and OP-10 in deionized water at a certain temperature;
step two, adding coconut oil fatty acid diethanolamide into the solution dissolved in the step one, and stirring and mixing uniformly;
step three, adding the prepared cerium-chlorine organic additive into the mixture obtained in the step two, and uniformly stirring;
and step four, adding vulcanized lard into the mixture obtained in the step three, and standing after fully stirring to obtain the finished product.
Further, the mixing temperature of OP-4 and OP-10 in the first step is 30-50 ℃.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention provides a grinding fluid for an eddy-current grinder, wherein the grinding fluid with good dispersibility and high grinding efficiency can be prepared by mutually matching OP-4, OP-10, coconut oil fatty acid diethanolamide, vulcanized lard, cerium-chlorine organic additives and deionized water. In the components of the invention, OP-4 and OP-10 are used as emulsifying agents, coconut oil fatty acid diethanolamide is used as a surfactant, and the OP-4, OP-10 and coconut oil fatty acid diethanolamide are used for realizing uniform and stable appearance of the grinding fluid through HLB calculation, and playing an important role in playing a role of cerium-chlorine organic additives.
Particularly, the invention can improve the grinding efficiency by adding the self-made cerium-chlorine organic additive into the components, wherein cerium and chlorine elements in the cerium-chlorine organic additive, which improve the grinding efficiency, are uniformly dispersed on the surface of a workpiece in the grinding process, so that the grinding efficiency and the consistency of the grinding surface can be improved. In the cerium-chlorine organic additive, the cutting efficiency of the additive can be obviously improved through the compounding effect of cerium-chlorine. The cerium-chlorine organic additive also has better water solubility, can be well dispersed with other components in the grinding liquid, and realizes uniform and stable products.
The addition of the vulcanized lard improves the extrusion performance of the grinding fluid, ensures the grinding performance under high vibration frequency and greatly saves the production time.
The proper HLB value is regulated and obtained through op-4, op-10 and coconut fatty acid diethanolamide, so that the vulcanized lard can be well dispersed in the grinding liquid, and a uniform and stable product which can be stored for a long time can be obtained.
In conclusion, the invention utilizes the advantages of uniform dispersion and high grinding efficiency of the cerium-chlorine organic additive, combines the effect of improving the grinding performance of the vulcanized lard, and can obtain uniform and stable grinding liquid with high grinding efficiency under the synergistic effect of op-4, op-10 and coconut fatty acid diethanolamide.
The preparation method disclosed by the invention is mild in condition, simple and convenient in steps and easy to operate, and the grinding liquid prepared by the preparation method disclosed by the invention is good in dispersibility and high in cutting efficiency.
The beneficial technical effects of the invention can be further embodied in the specific embodiments.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is an infrared spectrum of a cerium-chlorine organic additive prepared according to the present invention.
Detailed Description
The invention provides grinding fluid for an eddy-current grinder and a preparation method thereof, and in order to make the advantages and the technical scheme of the invention clearer and more definite, the invention is further described below by combining specific embodiments.
All of the materials described in this invention are commercially available.
The raw materials of the invention are as follows:
OP-4 is alkylphenol polyoxyethylene (4) ether with purity of 99%;
OP-10 is alkylphenol polyoxyethylene (10) ether with purity of 99%;
6501 is coconut oil fatty acid diethanolamide, specification: 1:1.5;
vulcanized lard oil as extreme pressure antiwear agent with kinematic viscosity at 40 deg.c less than 500mm 2 /s。
The cerium-chlorine organic additive is prepared by the following steps:
sequentially adding 10g of cerium acetate, 30ml of deionized water and 20ml of absolute ethyl alcohol into a three-neck flask provided with a mechanical stirrer and a reflux condensing device, uniformly mixing, and stirring at 50 ℃ for 0.5h; then slowly adding 3g of phosphorus oxychloride into the mixture, refluxing the mixture for 24 hours at 70 ℃ after the addition, performing rotary evaporation at 90 ℃ to obtain transparent oily liquid, and washing the transparent oily liquid with a dimethyl ether solvent for three times to obtain the cerium-chlorine organic additive.
The synthetic route of the cerium-chlorine organic additive is as follows:
Figure BDA0004062203210000041
the infrared spectrum of the cerium-chlorine organic additive prepared by the method is shown in figure 1, and the organic additive contains cerium and chlorine as can be seen from figure 1.
The cerium-chlorine organic additive prepared by the above method is added to the polishing slurry of the present invention, and is further described below with reference to examples.
Example 1:
the components are respectively OP-4 5%, OP-10%, 6501%, vulcanized lard oil 0.5%, cerium-chlorine organic additive 5% and the balance deionized water according to mass percentage.
The preparation method comprises the following steps:
(1) Stirring and dissolving OP-4 and OP-10 in deionized water at 40 ℃;
(2) Adding 6501 into the above solution, and stirring thoroughly;
(3) Adding a cerium-chlorine organic additive into the mixture prepared in the step (2), and fully stirring;
(4) And fully stirring the mixed substances, adding vulcanized lard, fully stirring and standing to finally obtain the grinding fluid.
The polishing liquid obtained in this example was used in a vortex mill having a 50L drum capacity, using a 4mm x 4mm right triangle ceramic abrasive, and had a surface area of 15dm 3 The sheet-like product of stainless iron 430 of (c) was ground to have a surface roughness of from Ra12 μm to Ra 0.2 μm for 1 hour.
Example 2:
the components are respectively OP-4% by mass, OP-10% by mass, 6501% by mass, 1% by mass of vulcanized lard, 20% by mass of cerium-chlorine organic additive and the balance of deionized water.
The preparation method comprises the following steps:
(1) Dissolving OP-4 and OP-10 in deionized water at 50 ℃ under stirring;
(2) Adding 6501 into the above solution, and stirring thoroughly;
(3) Adding a cerium-chlorine organic additive into the mixture prepared in the step (2), and fully stirring;
(4) And fully stirring the mixed substances, adding vulcanized lard, fully stirring and standing to finally obtain the grinding fluid.
The polishing liquid obtained in this example was used in a vortex mill having a 50L drum capacity, using a 4mm x 4mm right triangle ceramic abrasive, and had a surface area of 15dm 3 The sheet-like product of stainless iron 430 of (c) was ground to have a surface roughness of from Ra12 μm to Ra 0.2 μm for 0.5h.
Example 3:
the components are respectively OP-4 8%, OP-10%, 6501%, vulcanized lard oil 0.5%, cerium-chlorine organic additive 15% and deionized water in percentage by mass.
The preparation method comprises the following steps:
(1) Dissolving OP-4 and OP-10 in deionized water at 45 ℃ under stirring;
(2) Adding 6501 into the above solution, and stirring thoroughly;
(3) Adding a cerium-chlorine organic additive into the mixture prepared in the step (2), and fully stirring;
(4) And fully stirring the mixed substances, adding vulcanized lard, fully stirring and standing to finally obtain the grinding fluid.
The polishing liquid obtained in example was used in a vortex mill having a 50L drum capacity, using a 4mm x 4mm right triangle ceramic abrasive, and the surface area for polishing was 15dm 3 The sheet-like product of stainless iron 430 of (c) was ground to have a surface roughness of from Ra12 μm to Ra 0.2 μm for 0.6h.
Comparative example 1:
the difference from example 1 is that:
no cerium-chlorine organic additive is added into the raw materials;
the components are as follows by mass percent: OP-4 5%, OP-10%, 6501%, vulcanized lard 0.5% and deionized water in balance.
The preparation method comprises the following steps:
(1) Stirring and dissolving OP-4 and OP-10 in deionized water at 40 ℃;
(2) Adding 6501 into the above solution, and stirring thoroughly;
(3) And fully stirring the mixed substances, adding vulcanized lard, fully stirring and standing to finally obtain the grinding fluid.
The polishing liquid prepared in this comparative example was used in a vortex mill having a 50L cylinder capacity, using a 4mm x 4mm right triangle ceramic abrasive, and had a surface area of 15dm 3 The sheet-like product of stainless iron 430 of (c) was ground to have a surface roughness of from Ra12 μm to Ra 0.2 μm for 5 hours.
Comparative example 2:
the difference from example 1 is that no vulcanized lard was added to the raw material;
the components are as follows by mass percent: OP-4 5%, OP-10%, 6501%, cerium-chlorine organic additive 5% and deionized water in balance.
The preparation method comprises the following steps:
(1) Stirring and dissolving OP-4 and OP-10 in deionized water at 40 ℃;
(2) Adding 6501 into the above solution, and stirring thoroughly;
(3) And (3) adding a cerium-chlorine organic additive into the mixture prepared in the step (2), fully stirring and standing, and finally obtaining the grinding fluid.
The polishing liquid obtained in this example was used in a vortex mill having a 50L drum capacity, using a 4mm x 4mm right triangle ceramic abrasive, and had a surface area of 15dm 3 The sheet-like product of stainless iron 430 of (c) was ground to have a surface roughness of from Ra12 μm to Ra 0.2 μm for 3.5 hours.
Other combinations of raw materials are also available to the skilled person under the direction of examples 1 to 3 above.
The parts not described in the invention can be realized by referring to the prior art.
It is noted that any equivalent or obvious modification made by those skilled in the art under the teachings of this specification shall fall within the scope of this invention.

Claims (8)

1. The grinding fluid for the vortex grinder is characterized by comprising the following components in percentage by mass:
Figure FDA0004062203200000011
the cerium-chlorine organic additive is prepared by the following method:
a. sequentially adding a certain amount of cerium acetate, deionized water and absolute ethyl alcohol into a reaction container, and uniformly mixing the cerium acetate, the deionized water and the absolute ethyl alcohol by stirring to obtain a mixed solution;
b. adding a certain amount of phosphorus oxychloride into the mixed solution, refluxing for a period of time at 65-75 ℃ and performing rotary evaporation to obtain transparent oily liquid;
c. washing the transparent oily liquid to obtain the cerium-chlorine organic additive.
2. A grinding fluid for an eddy current grinding machine as claimed in claim 1 wherein: in the step a, the mass volume ratio of cerium acetate to deionized water is 1:3g/mL, the volume ratio of deionized water to absolute ethyl alcohol is 3:2, and the mixture is stirred for 0.4 to 0.6h at the temperature of 45 to 55 ℃.
3. A grinding fluid for an eddy current grinding machine as claimed in claim 1 wherein: in the step b, the mass ratio of phosphorus oxychloride to cerium acetate is 3:10, the temperature is 65-75 ℃ and reflux is carried out for 24 hours, and the temperature is 80-100 ℃ and rotary evaporation is carried out.
4. A grinding fluid for an eddy current grinding machine as claimed in claim 1 wherein: in step c, washing is carried out by adopting dimethyl ether solvent for at least three times.
5. A grinding fluid for an eddy current grinding machine as claimed in claim 1 wherein: the purities of the OP-4 and the OP-10 are 99 percent.
6. A grinding fluid for an eddy current grinding machine as claimed in claim 1 wherein: the kinematic viscosity of the vulcanized lard is less than 500mm at 40 DEG C 2 /s。
7. A method for producing a polishing liquid for an eddy current type polishing machine according to claims 1 to 6, comprising the steps of:
step one, stirring and dissolving OP-4 and OP-10 in deionized water at a certain temperature;
step two, adding coconut oil fatty acid diethanolamide into the solution dissolved in the step one, and stirring and mixing uniformly;
step three, adding the prepared cerium-chlorine organic additive into the mixture obtained in the step two, and uniformly stirring;
and step four, adding vulcanized lard into the mixture obtained in the step three, and standing after fully stirring to obtain the finished product.
8. The method for producing a polishing liquid for an eddy current type polishing machine as recited in claim 7, wherein: in the first step, the mixing temperature of OP-4 and OP-10 is 30-50 ℃.
CN202310063538.6A 2023-01-13 2023-01-13 Grinding fluid for vortex grinder and preparation method Pending CN116285893A (en)

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