CN103045328B - Static cleaning agent for automobile engine lubrication system and preparation method thereof - Google Patents
Static cleaning agent for automobile engine lubrication system and preparation method thereof Download PDFInfo
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- CN103045328B CN103045328B CN201210547227.9A CN201210547227A CN103045328B CN 103045328 B CN103045328 B CN 103045328B CN 201210547227 A CN201210547227 A CN 201210547227A CN 103045328 B CN103045328 B CN 103045328B
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Abstract
The invention discloses a static cleaning agent for an automobile engine lubrication system and a preparation method thereof. The static cleaning agent is prepared by the following components in percentage by weight: 50 to 70 percent of solvent oil, 5 to 8 percent of ethylene glycol monobutyl ether, 2 to 5 percent of calcium alkylbenzenesulfonate with high base number, 3 to 15 percent of diene succinimide, 5 to 12 percent of synthetic sulfobenzoic base oil with viscosity, 5 to 10 percent of extreme pressure antiwear liquid and 0.5 to 1 percent of efficient antioxidant, wherein the sum of percentage of the components is 100 percent. The static cleaning agent has the advantages that an engine is cleaned in the condition that the engine is not required to be dismounted and started, cleaning is time-saving and labor-saving, the efficiency is improved, the technical performance of the engine is effectively maintained, and the maintenance cost is reduced, metal friction surfaces can be conditioned, the automobile engine is prevented from instantaneous wear when the engine is started, slight rubber ageing is simultaneously repaired, the occurrence frequency of oil leakage of all oil seals is reduced, and the service life of the engine is prolonged.
Description
Technical field
The present invention relates to a kind of clean-out system, be specifically related to a kind of car engine lubrication system static rinse agent and preparation method thereof.
Background technology
During engine operation, a lot of driving parts is all under very little gap, do high speed relative movement, as main bearing journal and main bearing babbitting jig, crankpin and connecting rod bearing, cam journal and camshaft bearing, piston, piston ring and cylinder wall surface, each kinematic pair of valve actuating mechanism and driving gear pair etc.If do not lubricate these surfaces, strong friction will be there is between them, metal to-metal contact between metallic surface not only increases the watt consumption of engine, accelerate the wearing and tearing on part time job surface, but also may, because fricative heat is by part time job surface scaling loss, cause engine to operate.
The function of oiling system is exactly the friction surface that continuously quantity is enough, temperature is suitable when engine operation clean machine oil is transported to whole driving member, and forms oil film between friction surface, realizes liquid friction.Thus reduce friction resistance, reduce watt consumption, alleviate component wear, to reach the object improving engine operation reliability and weather resistance.But it is because engine construction is accurate, very responsive to the sedimental existence such as greasy filth, carbon distribution.Between the automobile usage period, throw out can not be ensured to remove totally even if change machine oil on time.The performance of these settlings such as greasy filth, carbon distribution on engine has very important impact.
These settlings such as greasy filth, carbon distribution are removed at present by clean-out system, existing clean-out system is as disclosed a kind of safe and efficient washing agent for lubricating system of engine in Chinese patent application CN201210007788.X, the composition that it comprises and mass percent are: base oil 55-98.7%, carbon deposit solvating agent 1-15%, purification agent 0.1-10%, dispersion agent 0.1-10%, nano antiwear agent 0.1-10%; It can effectively remove the dirts such as carbon deposit, colloid, greasy filth to a certain extent, but it still wants starting engine in use, cannot avoid the infringement to engine in cleaning process.
Summary of the invention
In view of the defect of prior art, the object of the present invention is to provide the agent of a kind of car engine lubrication system static rinse, when exempting to tear open, do not need to clean engine when starting, time saving and energy saving, raise the efficiency, effectively maintain engine technology performance, reduce maintenance cost; And metal friction face can be nursed one's health, protection motor car engine, from the moment wearing and tearing when starting, being repaired slight ageing of rubber simultaneously, being reduced the generation of each oil sealing oil leakage phenomenon, increasing service life of engine.
Another object of the present invention is to the preparation method that the agent of a kind of car engine lubrication system static rinse is provided, car engine lubrication system static rinse of the present invention agent can be obtained by this preparation method.
For achieving the above object, the technical solution adopted in the present invention is as follows:
The agent of a kind of car engine lubrication system static rinse, it is prepared from by following component by weight percentage
Solvent oil 50%-70%
Ethylene glycol monobutyl ether 5%-8%
High base number calcium alkylbenzenesulfonate 2%-5%
Diene base succimide 3%-15%
Low viscosity synthesis sulphophenyl class base oil 5%-12%
Overstock the wear-resistant liquid 5%-10% of type
Oxidation inhibitor 0.5%-1%
Wherein the weight percent sum of each component is 100%.
Contriver studies discovery; if low viscosity synthesizes sulphophenyl class base oil and overstocked type wear-resistant liquid proportioning viscosity is excessive; the viscosity that finally manufactures a finished product strengthens; make cleaning process mobility not strong; and after the proportioning quiet time that lengthens; have crystalline deposit to separate out, demixing phenomenon (not exclusively dissolving), reduces the effective cleaning performance of engine and does not have provide protection completely after precipitation.In the present invention; being reached by the proportioning between adjustment low viscosity synthesis sulphophenyl class base oil and the wear-resistant liquid of overstocked type makes both weight ratio in the mixture be respectively 5-12% and 5-10%; the high-effect wear-resistant factor can be increased under this ratio; effective tempered oil film can be formed in metallic surface, reach to improve and start the effect of motor-driven turn of smooth and easy performance can play the effect reducing wearing and tearing reduction engine noise simultaneously.In the preferred embodiment of the present invention, wherein the mass ratio of low viscosity synthesis sulphophenyl class base oil and the wear-resistant liquid of overstocked type is 1.5:1, under this proportion relation, can reach optimum effect.
In the present invention; oxidation inhibitor is environment-friendly high-efficiency oxidation inhibitor; be preferably di-t-butyl biphenol (DTBHQ); consumption is 0.5-1%; its effect is mainly the protection to cleaning equipment; make cleaning equipment quit work or idle time contact the not oxidized corrosion of metal parts of engine static rinse agent, guarantee that equipment normally uses.
According to solvent oil boiling range lower than 162 DEG C, its flash-point is too low, the easy burning fire of clean-out system, security is inadequate, if but wide higher than 192 DEG C of its boiling range scopes, its purity and precision are not high, containing other compositions or the high cleaning force that can affect clean-out system of the present invention of impurity.Preferably, solvent oil of the present invention is the one in No. 200 solvent oils, D40 solvent oil or deodorized kerosine, and boiling range scope is 162-192 DEG C.
The cleansing power of the too low clean-out system of base number does not reach requirement, and cleaning dirt is not thorough, but base number is too high, and clean-out system can have corrosion to the metal body of engine itself.Preferably, the base number of high base number calcium alkylbenzenesulfonate of the present invention at more than 295TBN, 100 DEG C, viscosity number at 200mm
2/ below s.
When viscosity index is less than 20 in the present invention, this clean-out system lubricity can be caused to reduce, if viscosity index is higher than 55, this clean-out system denseness is excessive, affects clean-out system flowing property bad, thus can affect cleaning performance and do not reach requirement.Therefore, the viscosity index of low viscosity synthesis sulphophenyl class base oil of the present invention is 20-55, and 100 DEG C of kinematic viscosity are 3.5-4.5cst, 40 DEG C of kinematic viscosity 17-25cst.
The wear-resistant liquid of overstocked type of the present invention is made up of the component of following weight:
Liquid polytetrafluoroethylene 10-20%
Anti-wear lubricating additive 5-10%
Oil based on surplus.
Preferably, wear-resistant liquid-tight degree 1.1-1.15kg/l, the PB value of overstocked type of the present invention is 1000-1200N, resistance to abrasion 390N.
A preparation method for car engine lubrication system static rinse agent, comprises the following steps:
1) distillation of solvent oil: adopting precision boiling range scope to be 160-210 DEG C of solvent oil is raw material, carries out again vacuum fine distillation with hydrocarbon solvent distilling machinery to raw material, collects the cut that boiling range scope is 162-192 DEG C;
2) according to proportioning in claim 1, wear-resistant for overstocked type liquid is added in reaction stirrer at ambient pressure, continuous heating is to constant temperature after 70-80 DEG C, and the low viscosity slowly added at a constant temperature synthesis sulphophenyl class base oil, after constant temperature fully stirs 30-50 minute, stop stirring, leave standstill to room temperature Deng naturally cooling, obtain evenly without precipitation, without the mixture that demixing phenomenon occurs;
3) 5-15 minute is stirred according to the solvent oil added in the reactor in step 2 of the proportioning in claim 1 in step 1 and ethylene glycol monobutyl ether, and then add high base number synthesising sulfonate, diene base succimide, stir and treat that it dissolves completely in 25-35 minute, finally add oxidation inhibitor, fully stir after 15-25 minute, after sampling analysis test passes, finished product is net filtration discharging packaging after filtration again.
According to the standard of GB/T255-77 in the present invention, with SYA-255 petroleum products boiling range tester, detection is carried out to the solvent oil of vacuum distilling again and analyze, to reach the boiling range scope required by technique;
In step 3), ethylene glycol monobutyl ether was first filtered through 300 mesh filter screens before adding reactor.
In step 3), finished product adopts 300 mesh filter screens to filter.
Engine lubrication system static rinse provided by the invention agent need coordinate FRB-2080E special intelligent oil leab cleaning machine.During operation, open control panel power switch, find out the used oil pipe of equipment, connect equipment oil suction pipe, extract dipstick, oil suction pipe inserts bottom dipstick hole, press equipment " oil return " key, in-engine old machine oil is evacuated in equipment oil drum, after exhausting oil, clear for the agent of engine lubrication system static rinse slave unit filler is added in equipment fuel tank, press start key and carry out automatic washing (process: oiling, soak the oily pulse-oil pumping 1-2-that pumps and complete warning, also can manual replenishment and pumpback).After self-act travel completes, in 5 minutes, equipment retains reinforcement cleaning stroke, fuel-displaced pulse tube can be placed into engine motor oil inlet and machine oil lid waste gas recovery hole, carries out reinforcement cleaning.
Compared to existing technology; beneficial effect of the present invention is: engine lubrication system static rinse agent cleaning process provided by the invention can exempt from starting engine; effectively can remove the harmful deposits such as greasy filth, colloid, carbon distribution harmful in oiling system makes the discharge of old machine oil more thorough; and reduce the pollution of new machine oil; energy cleaner engines tappet rod for valve and rocking arm, recovery piston ring elasticity, reduction oil consumption and noise; while cleaning; conditioning metal friction face; metal parts can be protected from moment wearing and tearing when starting; repair slight ageing of rubber, reduce oil leakage phenomenon.During engine lubrication system static rinse agent cleaning of the present invention, can exempt to tear engine washing open, time saving and energy saving, raise the efficiency, effectively maintain engine technology performance, reduce maintenance cost.
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment
A preparation method for car engine lubrication system static rinse agent, comprises the following steps:
1) distillation of solvent oil: adopting precision boiling range scope to be 160-210 DEG C of solvent oil is raw material, carries out again vacuum fine distillation with hydrocarbon solvent distilling machinery to raw material, collects the cut that boiling range scope is 162-192 DEG C;
2) according to proportioning in claim 1, wear-resistant for overstocked type liquid is added in reaction stirrer at ambient pressure, continuous heating is to constant temperature after 70-80 DEG C, and the low viscosity slowly added at a constant temperature synthesis sulphophenyl class base oil, after constant temperature fully stirs 30-50 minute, stop stirring, leave standstill to room temperature Deng naturally cooling, obtain evenly without precipitation, without the mixture that demixing phenomenon occurs;
3) 5-15 minute is stirred according to the solvent oil added in the reactor in step 2 of the proportioning in claim 1 in step 1 and ethylene glycol monobutyl ether, and then add high base number synthesising sulfonate, diene base succimide, stir and treat that it dissolves completely in 25-35 minute, finally add oxidation inhibitor, fully stir after 15-25 minute, after sampling analysis test passes, finished product is net filtration discharging packaging after filtration again.
It is below the preferred embodiment of the invention.
Embodiment 1.
No. 200 solvent oils of 595 grams, the ethylene glycol monobutyl ether of 75 grams, the high base number synthesising sulfonate of 38.0 grams, the diene base succimide of 45 grams, the low viscosity synthesis sulphophenyl class base oil of 85 grams, 63 grams of wear-resistant liquid of overstocked type, 6.0 grams of environment-friendly high-efficiency oxidation inhibitor DTBHQ, carry out the agent of acquisition car engine lubrication system static rinse by above-mentioned correct technique.
Embodiment 2.
The D-40 solvent oil of 620 grams, the ethylene glycol monobutyl ether of 78.0 grams, the high base number synthesising sulfonate of 40.0 grams, the diene base succimide of 52.0 grams, the low viscosity synthesis sulphophenyl class base oil of 92 grams, 58.0 grams of wear-resistant liquid of overstocked type, 8.0 grams of environment-friendly high-efficiency oxidation inhibitor DTBHQ, carry out the agent of acquisition car engine lubrication system static rinse by above-mentioned correct technique.
Embodiment 3
The deodorized kerosine of 605 grams, the ethylene glycol monobutyl ether of 78.0 grams, the high base number synthesising sulfonate of 42.0 grams, the diene base succimide of 58.0 grams, the low viscosity synthesis sulphophenyl class base oil of 90 grams, 60.0 grams of wear-resistant liquid of overstocked type, 7.5 grams of environment-friendly high-efficiency oxidation inhibitor DTBHQ, carry out the agent of acquisition car engine lubrication system static rinse by above-mentioned correct technique.
performance Detection
Performance Detection is carried out to car engine lubrication system static rinse of the present invention agent, the result detected and the examination criteria of institute's foundation are in table 1, wherein detect the equipment adopted and comprise BSY-113 copper corrosion determinator, SYA-261 close flash point tester, moisture content tester, BSY-119 sulfur content in oil products tester; Envrionment temperature when detection is 15-25 DEG C, and humidity is 50-70%.
Table 1: test result
| Test event | Test basis | Standard-required | Test result | Conclusion |
| Copper corrosion (50 DEG C, 3h)/level | GB/5096-1985 | Be less than 2 | 1 | Qualified |
| Outward appearance | Q/SYM001-2008 | Pale yellowish oil liquid | Pale yellowish oil liquid | Qualified |
| Smell | Q/SYM001-2008 | Minor solvent | Minor solvent | Qualified |
| Flash-point (remaining silent)/DEG C | GB/ T267-1988 | Be not less than 40 | 46 | Qualified |
| Water soluble acid or alkali | GB/ T259-1988 | Without water soluble acid or alkali | Without water soluble acid or alkali | Qualified |
| Moisture content/% | GB/ T260-77 | Vestige | Moisture-free | Qualified |
| Density/kg/m 3 | GB/ T1884-2000 | 700-1000 | 839.0 | Qualified |
| Sulphur content/% | GB/T11140 | Be not more than 2 | ＜0.005 | Qualified |
| PH value | ISO3071 | / | 7.98 | Qualified |
Above-mentioned embodiment is only the preferred embodiment of the present invention; can not limit the scope of protection of the invention with this, change and the replacement of any unsubstantiality that those skilled in the art does on basis of the present invention all belong to the present invention's scope required for protection.
Claims (10)
1. a car engine lubrication system static rinse agent, is characterized in that: it is prepared from by following component by weight percentage
Solvent oil 50%-70%
Ethylene glycol monobutyl ether 5%-8%
High base number calcium alkylbenzenesulfonate 2%-5%
Diene base succimide 3%-15%
Low viscosity synthesis sulphophenyl class base oil 5%-12%
Overstock the wear-resistant liquid 5%-10% of type
Oxidation inhibitor 0.5%-1%
Wherein the weight percent sum of each component is 100%.
2. car engine lubrication system static rinse according to claim 1 agent, is characterized in that: wherein the mass ratio of low viscosity synthesis sulphophenyl class base oil and the wear-resistant liquid of overstocked type is 1.5:1.
3. car engine lubrication system static rinse according to claim 1 and 2 agent, is characterized in that: described solvent oil is the one in No. 200 solvent oils, D40 solvent oil or deodorized kerosine, and boiling range scope is 162-192 DEG C.
4. car engine lubrication system static rinse according to claim 1 and 2 agent, is characterized in that: the base number of described high base number calcium alkylbenzenesulfonate is at more than 295TBN, and the viscosity number of 100 DEG C is at 200mm
2/ below s.
5. car engine lubrication system static rinse according to claim 1 and 2 agent, it is characterized in that: the viscosity index of described low viscosity synthesis sulphophenyl class base oil is 20-55,100 DEG C of kinematic viscosity are 3.5-4.5cst, 40 DEG C of kinematic viscosity 17-25cst.
6. car engine lubrication system static rinse according to claim 1 and 2 agent, is characterized in that: the wear-resistant liquid of described overstocked type is made up of the component of following weight
Liquid polytetrafluoroethylene 10-20%
Anti-wear lubricating additive 5-10%
Oil based on surplus.
7. car engine lubrication system static rinse according to claim 6 agent, is characterized in that: wear-resistant liquid-tight degree 1.1-1.15kg/l, the PB value of described overstocked type is 1000-1200N, resistance to abrasion 390N.
8. a preparation method for car engine lubrication system static rinse agent, comprises the following steps:
1) distillation of solvent oil: adopting precision boiling range scope to be 160-210 DEG C of solvent oil is raw material, carries out again vacuum fine distillation with hydrocarbon solvent distilling machinery to raw material, collects the cut that boiling range scope is 162-192 DEG C;
2) according to proportioning in claim 1, wear-resistant for overstocked type liquid is added in reaction stirrer at ambient pressure, continuous heating is to constant temperature after 70-80 DEG C, and the low viscosity slowly added at a constant temperature synthesis sulphophenyl class base oil, after constant temperature fully stirs 30-50 minute, stop stirring, leave standstill to room temperature Deng naturally cooling, obtain evenly without precipitation, without the mixture that demixing phenomenon occurs;
3) 5-15 minute is stirred according to the solvent oil added in the reactor in step 2 of the proportioning in claim 1 in step 1 and ethylene glycol monobutyl ether, and then add high base number synthesising sulfonate, diene base succimide, stir and treat that it dissolves completely in 25-35 minute, finally add oxidation inhibitor, fully stir after 15-25 minute, after sampling analysis test passes, finished product is net filtration discharging packaging after filtration again.
9. the preparation method of car engine lubrication system static rinse according to claim 8 agent, is characterized in that: in step 3), ethylene glycol monobutyl ether was first filtered through 300 mesh filter screens before adding reactor.
10. the preparation method of car engine lubrication system static rinse according to claim 8 agent, is characterized in that: in step 3), finished product adopts 300 mesh filter screens to filter.
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| MX2016015072A (en) * | 2014-05-20 | 2017-06-09 | A Bozin Christopher | Composition for cleaning and sealing coated surfaces. |
| CN106190456B (en) * | 2016-07-02 | 2019-01-04 | 领航石油化工（天津）有限公司 | A kind of car engine lubrication system cleaning agent and preparation method thereof |
| CN115838611A (en) * | 2022-12-01 | 2023-03-24 | 华能兰州西固热电有限公司 | Composite cleaning agent for cleaning phosphate fire-resistant oil system and preparation method thereof |
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