CN112375614A - Composition for recovering machining performance of cutting fluid, preparation method and application thereof - Google Patents
Composition for recovering machining performance of cutting fluid, preparation method and application thereof Download PDFInfo
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- CN112375614A CN112375614A CN202011262502.3A CN202011262502A CN112375614A CN 112375614 A CN112375614 A CN 112375614A CN 202011262502 A CN202011262502 A CN 202011262502A CN 112375614 A CN112375614 A CN 112375614A
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- 239000002173 cutting fluid Substances 0.000 title claims abstract description 75
- 239000000203 mixture Substances 0.000 title claims abstract description 71
- 238000003754 machining Methods 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000012545 processing Methods 0.000 claims abstract description 14
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 12
- 239000003899 bactericide agent Substances 0.000 claims abstract description 11
- 239000013556 antirust agent Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 7
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 18
- 238000003756 stirring Methods 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 14
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 11
- HXKKHQJGJAFBHI-UHFFFAOYSA-N 1-aminopropan-2-ol Chemical compound CC(O)CN HXKKHQJGJAFBHI-UHFFFAOYSA-N 0.000 claims description 10
- 229940102253 isopropanolamine Drugs 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- GIAFURWZWWWBQT-UHFFFAOYSA-N 2-(2-aminoethoxy)ethanol Chemical compound NCCOCCO GIAFURWZWWWBQT-UHFFFAOYSA-N 0.000 claims description 8
- 239000003513 alkali Substances 0.000 claims description 7
- -1 alkylbenzene sulfonate Chemical class 0.000 claims description 7
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 6
- 239000002585 base Substances 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 5
- 230000014759 maintenance of location Effects 0.000 claims description 5
- VUWCWMOCWKCZTA-UHFFFAOYSA-N 1,2-thiazol-4-one Chemical class O=C1CSN=C1 VUWCWMOCWKCZTA-UHFFFAOYSA-N 0.000 claims description 4
- MYZJXPZYRNURQF-UHFFFAOYSA-N 6-amino-1-[4,6-bis(6-aminohexanoyl)-1,3,5-triazin-2-yl]hexan-1-one Chemical compound NCCCCCC(=O)C1=NC(=NC(=N1)C(CCCCCN)=O)C(CCCCCN)=O MYZJXPZYRNURQF-UHFFFAOYSA-N 0.000 claims description 4
- 150000001408 amides Chemical class 0.000 claims description 4
- 239000003112 inhibitor Substances 0.000 claims description 4
- 150000002780 morpholines Chemical class 0.000 claims description 4
- 239000003784 tall oil Substances 0.000 claims description 4
- 150000003918 triazines Chemical class 0.000 claims description 4
- 229940099451 3-iodo-2-propynylbutylcarbamate Drugs 0.000 claims description 3
- WYVVKGNFXHOCQV-UHFFFAOYSA-N 3-iodoprop-2-yn-1-yl butylcarbamate Chemical compound CCCCNC(=O)OCC#CI WYVVKGNFXHOCQV-UHFFFAOYSA-N 0.000 claims description 3
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims description 3
- DNKGZSOYWMQDTK-UHFFFAOYSA-N 3-iodoprop-1-ynyl N-butylcarbamate Chemical class CCCCNC(=O)OC#CCI DNKGZSOYWMQDTK-UHFFFAOYSA-N 0.000 claims 1
- 150000007513 acids Chemical class 0.000 claims 1
- 150000001642 boronic acid derivatives Chemical class 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 12
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 2
- 241000894006 Bacteria Species 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- TVIDDXQYHWJXFK-UHFFFAOYSA-N dodecanedioic acid Chemical compound OC(=O)CCCCCCCCCCC(O)=O TVIDDXQYHWJXFK-UHFFFAOYSA-N 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 5
- KANAPVJGZDNSCZ-UHFFFAOYSA-N 1,2-benzothiazole 1-oxide Chemical class C1=CC=C2S(=O)N=CC2=C1 KANAPVJGZDNSCZ-UHFFFAOYSA-N 0.000 description 4
- HJVAFZMYQQSPHF-UHFFFAOYSA-N 2-[bis(2-hydroxyethyl)amino]ethanol;boric acid Chemical compound OB(O)O.OCCN(CCO)CCO HJVAFZMYQQSPHF-UHFFFAOYSA-N 0.000 description 4
- JCAYXDKNUSEQRT-UHFFFAOYSA-N 2-aminoethoxyboronic acid Chemical compound NCCOB(O)O JCAYXDKNUSEQRT-UHFFFAOYSA-N 0.000 description 4
- LUYIHWDYPAZCNN-UHFFFAOYSA-N 2-butyl-1,2-benzothiazol-3-one Chemical compound C1=CC=C2C(=O)N(CCCC)SC2=C1 LUYIHWDYPAZCNN-UHFFFAOYSA-N 0.000 description 4
- DMSMPAJRVJJAGA-UHFFFAOYSA-N benzo[d]isothiazol-3-one Chemical compound C1=CC=C2C(=O)NSC2=C1 DMSMPAJRVJJAGA-UHFFFAOYSA-N 0.000 description 4
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 4
- 230000001954 sterilising effect Effects 0.000 description 4
- 238000004659 sterilization and disinfection Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 239000008139 complexing agent Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000011056 performance test Methods 0.000 description 3
- IRAGEBXSFXWYNX-UHFFFAOYSA-N 2-(1,3,5-triazinan-1-yl)ethanol Chemical compound OCCN1CNCNC1 IRAGEBXSFXWYNX-UHFFFAOYSA-N 0.000 description 2
- OKTMSDOBWSRCQW-UHFFFAOYSA-N 2-[1,3-bis(2-hydroxyethyl)triazinan-5-yl]ethanol Chemical compound OCCC1CN(CCO)NN(CCO)C1 OKTMSDOBWSRCQW-UHFFFAOYSA-N 0.000 description 2
- MIFZZKZNMWTHJK-UHFFFAOYSA-N 4-(morpholin-4-ylmethyl)morpholine Chemical compound C1COCCN1CN1CCOCC1 MIFZZKZNMWTHJK-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- INACQIDRHZTYST-UHFFFAOYSA-N 2-aminohexanoic acid;1,3,5-triazine Chemical compound C1=NC=NC=N1.CCCCC(N)C(O)=O INACQIDRHZTYST-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000003385 bacteriostatic effect Effects 0.000 description 1
- HRXOXDAKKRLSMI-UHFFFAOYSA-N boric acid;2-(2-hydroxyethylamino)ethanol Chemical compound OB(O)O.OCCNCCO HRXOXDAKKRLSMI-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000002637 fluid replacement therapy Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002207 metabolite Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 241001148471 unidentified anaerobic bacterium Species 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
- C10M175/00—Working-up used lubricants to recover useful products ; Cleaning
- C10M175/0016—Working-up used lubricants to recover useful products ; Cleaning with the use of chemical agents
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
Abstract
The invention relates to a composition for recovering the processing performance of a cutting fluid, a preparation method and application thereof. The method mainly solves the problems that the original performance of the cutting fluid is lost after the cutting fluid is deteriorated, the preparation cost is high, and the cutting fluid cannot be effectively circulated in the prior art; and the disposal cost is high when the waste is discarded because the environment is easily polluted. The invention provides a novel composition for recovering the machining performance of a cutting fluid, which comprises the following components in percentage by weight: the technical scheme of the preparation method of the high-alkalinity antirust agent well solves the problem well by adopting the technical scheme of 30-50% of the alkalinity maintainer, 20-30% of the antirust agent, 20-30% of the bactericide and 10-30% of softened water. The composition can be used in the industrial application of maintenance of the cutting fluid pool side of a single machine tool liquid supply system or a centralized liquid supply system.
Description
Technical Field
The invention relates to a composition for recovering the processing performance of a cutting fluid, a preparation method and application thereof.
Background
The water-based cutting fluid is widely applied to the metal processing industry due to good flame retardance, cooling property and good operating environment, however, the water-based cutting fluid is in an open working environment for a long time and is always subject to erosion of external pollutants and microorganisms, and the cutting fluid is rich in nutrient substances required by microorganism propagation, so that the cutting fluid is easy to rot and deteriorate, and the processing performance is influenced. The effective components of the cutting fluid can be decomposed by the microbial propagation, acidic metabolites are generated to erode the cutting fluid, and particularly, malodorous gases such as sulfide and the like can be generated by anaerobic bacteria to influence the health of workers and the field operation environment.
Generally, the cutting fluid is sterilized by adding a bactericide after it is deteriorated, thereby suppressing deterioration. However, when the cutting fluid is deteriorated for a long time and is severely deteriorated, the effective components of the cutting fluid are completely decomposed, and the normal use performance of the cutting fluid cannot be recovered by only adding sterilization. In which case the end user will typically perform a tank cleaning and fluid change. For a single-machine liquid supply machine tool, the cost for cleaning and replacing liquid is acceptable, but for a large-scale centralized liquid supply system, the cost for cleaning and replacing liquid in the whole tank is high. At the moment, sterilization treatment can be carried out, the alkali value is increased, a bacteriostatic environment is formed, secondary bacteria in a short time are prevented, key functional components such as an antirust agent are supplemented, the antirust performance of the cutting fluid is compensated, and the cutting fluid can be basically recovered to be normally used for processing of common loads.
The invention develops a composition for recovering the machining performance of cutting fluid, which can be used for daily maintenance of a single-machine liquid supply machine tool and a centralized liquid supply system, when the cutting fluid is corrupted, the composition is added into a liquid tank according to the proportion of 0.5-5%, and after full circulation, the smell, the alkali number and the rust resistance of the cutting fluid can be greatly improved, and the cutting fluid can meet the machining requirements of common loads, thereby playing a role in prolonging the service life of the cutting fluid to a certain extent.
Disclosure of Invention
The invention aims to solve the technical problems that in the prior art, after the cutting fluid is deteriorated, the original performance is lost, the preparation cost is high, and effective circulation cannot be realized; the composition provides an integrated scheme for maintaining the cutting fluid at the tank side, and the terminal can realize the sterilization treatment of the cutting fluid and the integral promotion of the alkali value and the rust resistance only by adding the composition at the tank side, thereby reducing the frequency of fluid replacement, prolonging the service life of the cutting fluid and further reducing the cost of fluid for the terminal and the cost of waste fluid treatment. The second technical problem to be solved by the present invention is to provide a method for preparing a composition for restoring the machining performance of cutting fluid corresponding to the first technical problem. The invention aims to solve the technical problem and provides application of a composition for recovering the processing performance of the cutting fluid corresponding to one of the technical problems.
In order to solve one of the above technical problems, the technical scheme adopted by the invention is as follows: the composition for recovering the machining performance of the cutting fluid comprises the following components in percentage by weight: 30-50% of an alkali value retaining agent, 20-30% of an antirust agent, 20-30% of a bactericide and 10-30% of softened water.
In the above technical solution, preferably, the base number retention agent is at least one selected from monoethanolamine, triethanolamine, isopropanolamine and diglycolamine.
In the above technical solution, preferably, the rust inhibitor is at least one selected from borate, polycarboxylic acid, heavy alkylbenzene sulfonate, and tall oil amide.
In the above technical solution, preferably, the bactericide is at least one selected from triazines, isothiazolinones, morpholines and iodopropynyl butylcarbamate.
To solve the second technical problem, the invention adopts the following technical scheme:
a preparation method of the composition for recovering the machining performance of the cutting fluid comprises the following steps:
(1) firstly, adding a certain amount of softened water into a reaction kettle;
(2) sequentially adding an alkali value retaining agent and an antirust agent according to a ratio, starting stirring, simultaneously heating the mixture to 40-50 ℃, and fully stirring for more than 1h until the mixture is transparent;
(3) stopping heating, adding the bactericide after the temperature of the mixture is reduced to below 40 ℃, and fully stirring for more than 1h until the mixture is uniform and transparent, thus obtaining the composition for recovering the processing performance of the cutting fluid.
In the above technical solution, preferably, the base number retention agent is at least one selected from monoethanolamine, triethanolamine, isopropanolamine and diglycolamine.
In the above technical solution, preferably, the rust inhibitor is at least one selected from borate, polycarboxylic acid, heavy alkylbenzene sulfonate or tall oil amide.
In the above technical solution, preferably, the polycarboxylic acid is 2,4, 6-tris (aminocaproyl) -1,3, 5-triazine.
In the above technical solution, preferably, the bactericide is at least one selected from triazines, isothiazolinones, morpholines and iodopropynyl butylcarbamate.
In order to solve the third technical problem, the technical scheme adopted by the invention is as follows:
the composition for recovering the machining performance of the cutting fluid is applied to a single-machine liquid supply or centralized liquid supply system of a machine tool.
According to the invention, the bactericide, the base number retention agent and the antirust agent are scientifically compounded to form a composition formula integrating the functions of sterilization, bacteriostasis, rust prevention and the like, the deteriorated cutting fluid can meet the processing requirement of a common load again by adding the composition at the side of the pool, and meanwhile, the service life of the cutting fluid is prolonged to a certain extent, so that a better technical effect is achieved.
The invention is further illustrated by the following examples.
Detailed Description
[ example 1 ]
The composition for recovering the machining performance of the cutting fluid comprises the following components in percentage by weight:
TABLE 1 weight percentages of the components of the composition of example 1
| Component name | By weight percent of |
| Monoethanolamine | 15 |
| Triethanolamine | 20 |
| Monoethanolamine borate | 20 |
| Dodecanedioic acid | 5 |
| Hydroxyethyl hexahydro-s-triazine | 10 |
| Benzisothiazolinones | 20 |
| Softened water | 10 |
The preparation method of the components comprises the following steps:
(1) firstly, adding softened water into a reaction kettle;
(2) adding monoethanolamine, triethanolamine, monoethanolamine borate and dodecanedioic acid according to a proportion, starting stirring, heating to 45 ℃, and fully stirring for 1.5 hours until the mixture is transparent;
(3) stopping heating, adding hydroxyethyl hexahydro-s-triazine and benzisothiazolinone when the temperature is reduced to 38 ℃, and fully stirring for 1.5 hours until the mixture is uniform and transparent to obtain the composition for recovering the processing performance of the cutting fluid.
The composition is added into the cutting fluid which is rotten and smelly according to the proportion of 1 percent, the cutting fluid is fully stirred, and the cutting fluid is detected after 24 hours, and the properties of the cutting fluid are compared as follows:
table 2 data for performance testing of the composition of example 1
After the composition for recovering the machining performance of the cutting fluid is added, the smell of the original decayed cutting fluid is obviously improved, the number of bacteria is greatly reduced, the pH value and the rust resistance are obviously improved, and the rust resistance experiment is qualified.
[ example 2 ]
The composition for recovering the machining performance of the cutting fluid comprises the following components in percentage by weight:
table 3 weight percent of each component of the composition of example 2
| Component name | By weight percent of |
| Isopropanolamine | 15 |
| Triethanolamine | 20 |
| Diethanolamine boric acid ester | 20 |
| 2,4, 6-tris (aminocaproyl) -1,3, 5-triazine | 5 |
| Hydroxyethyl hexahydro-s-triazine | 15 |
| Benzisothiazolinones | 15 |
| Softened water | 10 |
The preparation method of the components comprises the following steps:
(1) firstly, adding softened water into a reaction kettle;
(2) adding isopropanolamine, triethanolamine, diethanolamine borate and 2,4, 6-tri (aminocaproic acid) -1,3, 5-triazine according to a certain proportion, starting stirring, heating to 45 ℃, and fully stirring for 2h until the mixture is transparent;
(3) stopping heating, adding hydroxyethyl hexahydro-s-triazine and benzisothiazolinone when the temperature is reduced to 35 ℃, and fully stirring for 2 hours until the mixture is uniform and transparent to obtain the composition for recovering the processing performance of the cutting fluid.
The composition is added into the cutting fluid which is rotten and smelly according to the proportion of 1 percent, the cutting fluid is fully stirred, and the cutting fluid is detected after 24 hours, and the properties of the cutting fluid are compared as follows:
table 4 performance test data for the composition of example 2
After the composition for recovering the machining performance of the cutting fluid is added, the smell of the original decayed cutting fluid is obviously improved, the number of bacteria is greatly reduced, the pH value and the rust resistance are obviously improved, and the rust resistance experiment is qualified.
[ example 3 ]
The composition for recovering the machining performance of the cutting fluid comprises the following components in percentage by weight:
TABLE 5 weight percent of the components of the composition of example 3
| Component name | By weight percent of |
| Diglycolamine | 15 |
| Triethanolamine | 20 |
| Triethanolamine borate | 20 |
| 2,4, 6-tris (aminocaproyl) -1,3, 5-triazine | 5 |
| 1,3, 5-tris (2-hydroxyethyl) -hexahydro-triazine | 10 |
| Benzisothiazolinones | 15 |
| N-butyl-1, 2-benzisothiazolin-3-one | 5 |
| Softened water | 10 |
The preparation method of the components comprises the following steps:
(1) firstly, adding softened water into a reaction kettle;
(2) adding diglycolamine, triethanolamine borate and 2,4, 6-tris (aminocaproyl) -1,3, 5-triazine in proportion, heating to 50 ℃, and fully stirring for more than 1.5h until the mixture is transparent;
(3) stopping heating, adding 1,3, 5-tri (2-hydroxyethyl) -hexahydro-triazine, benzisothiazolinone and n-butyl-1, 2-benzisothiazolin-3-one in sequence when the temperature is reduced to 38 ℃, and fully stirring for 1.5 hours until the mixture is uniform and transparent to obtain the composition for recovering the processing performance of the cutting fluid.
Table 6 performance test data for the composition of example 3
After the composition for recovering the machining performance of the cutting fluid is added, the smell of the original decayed cutting fluid is obviously improved, the number of bacteria is greatly reduced, the pH value and the rust resistance are obviously improved, and the rust resistance experiment is qualified.
[ example 4 ]
The composition for recovering the machining performance of the cutting fluid comprises the following components in percentage by weight:
table 7 weight percent of each component of the composition of example 4
| Component name | By weight percent of |
| Isopropanolamine | 15 |
| Diglycolamine | 15 |
| Triethanolamine borate | 20 |
| Sebacic acid | 5 |
| N, N methylene dimorpholine | 5 |
| Benzisothiazolinones | 15 |
| Softened water | 25 |
The preparation method of the components comprises the following steps:
(1) firstly, adding softened water into a reaction kettle;
(2) adding isopropanolamine, diglycolamine, triethanolamine borate and sebacic acid in proportion, heating to 50 ℃, and fully stirring for more than 1.5 hours until the mixture is transparent;
(3) stopping heating, adding N, N-methylen-dimorpholine and benzisothiazolinone in sequence when the temperature is reduced to 38 ℃, and fully stirring for 1.5 hours until the mixture is uniform and transparent to obtain the composition for recovering the processing performance of the cutting fluid.
Table 8 performance test data for the composition of example 4
After the composition for recovering the machining performance of the cutting fluid is added, the smell of the original decayed cutting fluid is obviously improved, the number of bacteria is greatly reduced, the pH value and the rust resistance are obviously improved, and the rust resistance experiment is qualified.
[ example 5 ]
The composition for recovering the machining performance of the cutting fluid comprises the following components in percentage by weight:
TABLE 9 weight percent of the components of the composition of example 5
| Component name | By weight percent of |
| Isopropanolamine | 15 |
| Triethanolamine | 15 |
| Monoethanolamine borate | 18 |
| Dodecanedioic acid | 5 |
| N, N methylene dimorpholine | 7 |
| N-butyl-1, 2-benzisothiazolin-3-one | 13 |
| Softened water | 27 |
The preparation method of the components comprises the following steps:
(1) firstly, adding softened water into a reaction kettle;
(2) adding isopropanolamine, triethanolamine, monoethanolamine borate and dodecanedioic acid in proportion, heating to 50 ℃, and fully stirring for more than 1.5 hours until the mixture is transparent;
(3) stopping heating, adding N, N-methylen-dimorpholine and N-butyl-1, 2-benzisothiazolin-3-one when the temperature is reduced to 38 ℃, and fully stirring for 1.5 hours until the mixture is uniform and transparent to obtain the composition for recovering the processing performance of the cutting fluid.
TABLE 10 data for performance testing of the composition of example 5
| Item | Before adding the complexing agent | After adding the complexing agent |
| Appearance of the product | Milky opaque liquidBody | Opalescent liquid |
| Smell(s) | Bad putrefactive odor | Slight putrefactive odor |
| pH value | 6.5 | 8.8 |
| Rust resistance (iron fillings filter paper) | Grade 4 (unqualified) | Grade 0 (qualified) |
| Bacteria, CFU/mL | 107 | <102 |
After the composition for recovering the machining performance of the cutting fluid is added, the smell of the original decayed cutting fluid is obviously improved, the number of bacteria is greatly reduced, the pH value and the rust resistance are obviously improved, and the rust resistance experiment is qualified.
In conclusion, the cutting fluid pool maintenance complexing agent prepared in the five embodiments of the invention has good bactericidal property, obvious pH value and antirust property improvement effects, can meet the antirust requirement, and obtains good technical effects.
Claims (10)
1. The composition for recovering the machining performance of the cutting fluid comprises the following components in percentage by weight: 30-50% of an alkali value retaining agent, 20-30% of an antirust agent, 20-30% of a bactericide and 10-30% of softened water.
2. The composition for recovering machining performance of cutting fluid according to claim 1, wherein the base number retention agent is at least one selected from the group consisting of monoethanolamine, triethanolamine, isopropanolamine and diglycolamine.
3. The composition for recovering machining performance of cutting fluid as claimed in claim 1, wherein the rust inhibitor is at least one selected from the group consisting of borate, polycarboxylic acid, heavy alkylbenzene sulfonate and tall oil amide.
4. The composition for recovering machining performance of cutting fluid according to claim 1, wherein the bactericide is at least one selected from the group consisting of triazines, isothiazolinones, morpholines, and iodopropynylbutylcarbamates.
5. A method for preparing the composition for recovering machining performance of cutting fluid according to claim 1, comprising the steps of:
1) firstly, adding a certain amount of softened water into a reaction kettle;
2) sequentially adding an alkali value retaining agent and an antirust agent according to a ratio, starting stirring, simultaneously heating the mixture to 40-50 ℃, and fully stirring for more than 1h until the mixture is transparent;
3) stopping heating, adding the bactericide after the temperature of the mixture is reduced to below 40 ℃, and fully stirring for more than 1h until the mixture is uniform and transparent, thus obtaining the composition for recovering the processing performance of the cutting fluid.
6. The method of claim 5, wherein the base number retention agent is at least one selected from monoethanolamine, triethanolamine, isopropanolamine and diglycolamine.
7. The method of claim 5, wherein the rust inhibitor is at least one selected from the group consisting of borate esters, polycarboxylic acids, heavy alkylbenzene sulfonates, and tall oil amides.
8. The method for preparing a composition for restoring machining performance of a cutting fluid according to claim 5, wherein the bactericide is at least one selected from the group consisting of triazines, isothiazolinones, morpholines, and iodopropynylbutylcarbamate.
9. The method of claim 7, wherein the polycarboxylic acid is 2,4, 6-tris (aminocaproyl) -1,3, 5-triazine.
10. Use of the composition for restoring the machining performance of the cutting fluid according to claim 1 in a stand-alone fluid supply or a centralized fluid supply system of a machine tool.
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| CN202011262502.3A CN112375614A (en) | 2020-11-12 | 2020-11-12 | Composition for recovering machining performance of cutting fluid, preparation method and application thereof |
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|---|---|---|---|
| CN202011262502.3A CN112375614A (en) | 2020-11-12 | 2020-11-12 | Composition for recovering machining performance of cutting fluid, preparation method and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114350424A (en) * | 2021-12-16 | 2022-04-15 | 东莞市晶索润滑科技有限公司 | Metal working fluid maintenance agent and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104593129A (en) * | 2013-10-30 | 2015-05-06 | 上海宝钢工业技术服务有限公司 | Total-synthesis water-base metal cutting fluid and preparation method |
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