136results about How to "Meet lubrication needs" patented technology

The invention relates to a combined-cycle gas turbine lubricant combination which is suitable to be used in a large-scale gas steam combined-cycle gas turbine, and the composition and content of the combined-cycle gas turbine lubricant combination by weight percentage of antioxidant of 0.1 to 2 percent, anti-wear agent of 0.01 to 1 percent, no gray rust-proof agent of 0.01 to 1 percent, metal deactivating agent of 0.01 to 1 percent, anti-foam agent of 0.001 to 1 percent, the allowance is based oil, which is Class II or Class III paraffin-based oil, and the sulfur content is less than 0.03 percent, the lubricant combination of the invention has an extremely long induction period of oxidation and excellent performance of high temperature oxidation, excellent extreme pressure antifriction property and corrosion, good water separation, air separation and filterability, and can well meet the lubricating demand of large-scale combined cycle gas turbine.

The invention relates to a tractor three-purpose lubricating oil composition, which comprises (a) at least one mineral base oil with higher viscosity index; (b) at least one viscosity index improving agent; (c) at least one pour inhibitor; (d) at least one EP-antiwear additive; (e) at least one antioxidant; (f) at least one friction improving agent; (g) at least one clean dispersing agent; (h) at least one antirust agent; (i) at least one anti-foaming agent. The tractor three-purpose lubricating oil composition has excellent high-low-temperature performance, thermal oxidization stability, EP-antiwear performance, anti-corrosion performance, anti-rust performance and anti-emulsification anti-foaming performance, can meet the requirements of a general hydraulic system, a transmission system and a braking system of a large-and-middle-sized tractor and engineering machinery, can realize the comprehensive lubrication protection on the hydraulic and gear transmission, power output and braking components; long service life is realized; the improvement of the operation stability of the equipment is facilitated.

The invention discloses a new open-typed gear oil composition, which comprises the following parts: 0.2-70% thickener, 0.1-5% extreme-pressure antiwear agent, 0.005-0.5% anti-emulsifier, 0.5-8% oil-soluble friction modifier and basic oil. The invention expands the application scale of oil, which satisfies the lubricating need of different equipments.

The invention discloses a total synthesis metal cutting solution comprising the following components by weight percent: 0.5-1% of pH regulator, 10-20% of antirust agent, 10-15% of mixed hydramine, 5-8% of lubricating agent, 0.1-0.3% of copper alloy corrosion inhibitor, 1-2% of sterilizing agent, 0.1-0.2% of defoaming agent, 0-0.5% of EDTA-4 sodium and the balance of water. The invention provides a preparation method of the total synthesis metal cutting solution. The total synthesis metal cutting solution is good in lubricating performance, and the use effect is superior to that of emulsification solution. By utilizing the total synthesis metal cutting solution, surface smoothness of a workpiece can be improved, a grinding wheel can not be sticked, and abrasion of the grinding wheel is reduced. The total synthesis metal cutting solution has a good sedimentation effect and is less in bubbles, long in service life and excellent in anti-rust property, cooling property, permeability and cleanability. By utilizing the total synthesis metal cutting solution, the service life of the grinding wheel can be effectively prolonged. The total synthesis metal cutting solution is suitable for materials, such as bearing steel, carbon steel and the like, the solution is colorless and transparent, and surface processing conditions are easy to observe. Meanwhile, the total synthesis metal cutting solution does not contain toxic and harmful substances, such as sodium nitrite, phenols and the like and is harmless to environment and operator health.

The invention relates to a composition for anti-ammonia turbine oil. The composition comprises the following components by weight percentage: 1.1-2.0% of screening phenol antioxygen, alkyl diphenylamine antioxygen or formulated mixture antioxygen thereof, 0.01-2.0% of non-acid antirusting agent, 0.01-1% of metal passivator, 0.001-0.01% of anti-foaming agent and the balance of base oil. The base oil is II type hydrogenated base oil, and in the II type hydrogenated base oil, the sulphur content of the II type hydrogenated base oil based on weight is no more than 0.03%, and the saturation is no less than 90%. The antioxygen is formulated by the screening phenol antioxygen and the alkyl diphenylamine antioxygen, and the weight proportion of the antioxygen 1:0.1-10. The invention has the advantages of excellent lubricity, oxidation stability, favorable water separation, air release property and strong anticorrosion property, maintains neutral for ammonia and synthesis gas, has little possibility of sludge generation, reduces the time of machine halt, andreduces operation and maintenance cost.

The invention relates to a high-lubricating rolling oil composition and application thereof. The composition is prepared from 40-90 parts of highly refined mineral oil, 10-30 parts of carbon dodecanol tetradecyl alcohol, isotridecyl alcohol, n-octanol, pentaerythritol oleate, trimethylolpropane trioleate, diisooctyl phthalate, 2-ethylhexyl palmitate, isooctyl stearate, methyl palmitate or butyl stearate, 1-5 parts of ZDTP, octadecyl zinc dithiophosphate, sulfurized olefin, sulfide aliphatic acid ester, sulfurized animal oil, alkyl sulfide or sulfur phosphorus molybdenum, 0.5-5 parts of amine thiophosphate, isooctyl acidic phosphate octadecylamine, tricresyl phosphate, tributyl phosphate, dibutyl phosphate and carbon-12 to carbon-14 acid phosphate compound ester, 0.1-5 parts of 2,6-butylated hydroxytoluene, N-phenyl naphthylamine, thioether phenol or alkyl diphenylamine and 0.01-2 parts of 1H-benzotriazole, thiadiazole derivative and benzotriazole.

The invention discloses a preparation method of a high-temperature-resistant lubricant for a drilling fluid, which comprises the following steps: 1) while stirring, sequentially adding 100-120 parts by mass of waste animal and vegetable oil, 8-12 parts by mass of triethanolamine and 2-5 parts by mass of concentrated sulfuric acid into a reaction kettle, and reacting at 120-140 DEG C for 3-5 hours; 2) cooling the reaction product to 60-80 DEG C, adding 20-50 parts by mass of fatty acid methyl ester and 20-50 parts by mass of white oil into the reaction kettle in the stirring state, and stirring for 1-2 hours; 3) adding 3-10 parts by mass of molybdenum disulfide into the reaction kettle in the stirring state, and stirring for 1-3 hours; and 4) cooling to normal temperature to obtain the high-temperature-resistant lubricant for a drilling fluid. The lubricant has the characteristics of high lubricating efficiency and high temperature resistance; after rolling at 190 DEG C for 16 hours, the lubricating factor decreasing rate can still reach 50% above; and thus, the lubricant can satisfy the lubricating demands for deep wells and ultradeep wells.

The present invention discloses a photo-stabilization type lubricating grease, which comprises, by weight, 75-92 parts of a base oil, 5-20 parts of a fatty acid soap thickener, 0.1-2 parts of an antioxidant, 0.01-2 parts of a light stabilizer, and 0.1-2 parts of an anti-rust agent, wherein the components are matched under a certain condition according to the ratio to obtain the photo-stabilization type lubricating grease. According to the present invention, the added functional additive does not affect the product structure, wherein the specific performance is that the consistency (cone penetration) and the strength limit of the product are not changed significantly; and with the addition of the light stabilizer, the photo-stabilization type lubricating grease of the present invention has the light stability, wherein the appearance of the lubricating grease is essentially the same before and after the illumination, and the product meets a variety of lubricating requirements.

The invention belongs to the technical field of steam turbine lubrication, and is a low-sludge steam turbine lubricating oil composition. 0.03% to 0.2% antirust agent compounded with derivatives, 0.001% to 0.1% antifoaming agent, 1% to 20% polyether, and base oil as the balance. The advantages of the present invention: excellent high temperature resistance and oxidation resistance, in the Dry-TOST test at 120°C, the oxidation life of the remaining rotary oxygen bomb rate of 25% is at least 500 hours, the rotary oxygen bomb is more than 900 minutes, and the TOST oxidation life is more than 10000 Hours; very little sludge formation tendency, in the Dry-TOST test at 120°C, the sludge formation is less than 60mg/kg when the remaining rotary oxygen bomb rate is 25%, and the sludge formation is less than 200mg after TOST test 1000h; the composition can be very good Meet the lubrication requirements of steam turbines and gas turbines with low oil sludge requirements.

The invention provides a gearbox lubricating oil liquid level adjusting and controlling system and an adjusting and controlling method thereof. The side face of a bottom lubricating oil storing bin ofa gearbox shell is provided with a communicating containing cavity; the adjusting and controlling system is installed in the containing cavity; a lifting device is formed in a manner that a driving motor and a lead screw are coaxially connected; an oil discharging device is formed in a manner that a floating cavity, a guiding sleeve and a threaded long sleeve are fixedly connected; the floating cavity is in sliding connection with a supporting and guiding assembly through the guiding sleeve, and is in threaded connection with the lifting device through the threaded long sleeve; under drivingby the lifting device, the floating cavity performs lifting movement in the containing cavity along the supporting and guiding assembly, and therefore the liquid level height of lubricating oil in thecontaining cavity is controlled; a control assembly is composed of a controller and a vehicle state sensor in a signal connection manner; and the adjusting and controlling method comprises an adjusting and controlling method for increasing and decreasing the liquid level height of the lubricating oil. According to the gearbox lubricating oil liquid level adjusting and controlling system and the adjusting and controlling method thereof, the amount of the lubricating oil needed by each part is determined according to the specific work state of a gearbox, the liquid level of the lubricating oilis controlled at the position of optimal height, the oil stirring loss is reduced, and the overall transmission efficiency of the gearbox is improved.

The invention relates to a high pressure oil pump lubricating oil passage of a direct injection gasoline engine. The high pressure oil pump lubricating oil passage comprises a cylinder cover oil path arranged on an engine cylinder cover and is characterized by further comprising an annular oil groove formed in a cam shaft, wherein the annular oil groove is formed in a working shaft neck of the cam shaft and formed on one side of a high pressure oil pump driving cam on a non-working shaft neck of the cam shaft; the high pressure oil pump lubricating oil passage further comprises a connecting oil path and a high pressure oil pump oil path, wherein the connecting oil path is arranged on an integrated cam shaft cover; the high pressure oil pump oil path is communicated with the connecting oil path; the high pressure oil pump oil path is communicated with a high pressure oil pump tappet hole; and the cylinder cover oil path on the engine cylinder cover and the connecting oil path on the integrated cam shaft cover are respectively communicated with the annular oil groove of the cam shaft. The high pressure oil pump lubricating oil passage of the direct injection gasoline engine, provided by the invention, has the advantages as follows: the structural layout is compact; spaces can be saved; and moreover, a high pressure oil pump can be lubricated without an external lubricating oil path and additional parts, so that the assembling difficulty and manufacturing cost of the engine can be prevented from being increased.

The invention relates to a radial plunger type multiple-action inner curved hydraulic motor, which is hydraulic equipment mainly applicable to stokeholes and other severe working environments. The hydraulic motor mainly comprises an output shaft, an installation seat, gear rings, a plunger piston, a driving disk, a rear seat, an oil pan, a brake, a brake axle, and the like. Tracks of the motor adopt the gear rings processed by a single curve track formula so as to meet plunger piston movement, the use of multiple types of sealing rings can avoid obvious leakage between a high pressure chamber and a low pressure chamber, and meanwhile, miniature leakage rate can meet the requirement of a bearing on lubrication, thereby guaranteeing that a machine can not be damaged due to overtemperature in the process of running.

The invention provides food grade bearing grease for hydraulic engineering as well as a preparation method and application thereof. The grease composition comprises food grade base oil, a thickening agent and an additive composition. The grease composition comprises the following components in percentage in weight: 84-94% of base oil, 6-16% of the thickening agent, 0.5-10% of an additional antirust agent and 0.1-10% of an additional anti-wear reagent at extreme pressure. The thickening agent is composed of reactants of C16-C20 long-chain fatty acids, aromatic acid and organic aluminum and meets the food grade requirement. The molar ratio of the three raw materials is 1 to 1-1.7 to 1-1.3. The organic aluminum comprises aluminum isopropoxide or triisopropanol trioxide. The bearing grease disclosed by the invention is excellent in anti-wear and extreme pressure property, and the service life of the bearing is prolonged; the water resistance is excellent, the high/low-temperature performance is excellent, and the operating temperature ranges from 40 DEG C below zero to 80 DEG C. The bearing grease disclosed by the invention can meet the lubricating requirements of hydraulic engineeringbearings, and the safety and hygiene requirements in the drinking water industry are met.

The invention relates to a food grade lubricating grease used for feed processing machines, and a preparation method and an application thereof. The lubricating grease comprises, by mass, 85-95% of base oil, 5-15% of a composite aluminum thickener, and 6-12% of an additional extreme pressure anti-wear agent. The preparation method comprises the following steps: heating all the base oil to 50-60 DEG C, adding benzoic acid, heating benzoic acid to 70-80 DEG C, adding a preheated aluminum stearate polyoxide polymer after the benzoic acid is dissolved, stirring the dissolved benzoic acid and the preheated aluminum stearate polyoxide polymer, heating the stirred materials to 150 DEG C in 1-2 h, continuously heating the stirred materials to a highest refining temperature of 200-220 DEG C, cooling the heated materials to 80 DEG C, adding a pressurizing anti-wear agent, uniformly stirring all above materials, grinding the obtained mixture, degassing the ground mixture, and filling the degassed mixture. The preparation method of the lubricating grease has the advantages of simplicity, short cycle, and improvement of the quality of the above product and the safety and the healthiness of the production process only through three raw materials. The lubricating grease meets lubricating demands in running of the feed processing machines, such as granulator devices, and accords with the safety and health demands in the feed processing industry.