57results about How to "Good cold start" patented technology

The present invention relates to a hydraulic-transmission- braking three-use lubricating oil composition, which is prepared by mixing the following raw materials, by weight, 85-98% of high viscosity index base oil, 0.1-5% of an extreme pressure wear resistance agent, 0.1-4% of an antioxidant, 0.1-3% of a metal deactivator/antirust agent, 0.1-5% of a friction modifier, and 0.1-2% of a dispersing agent. The hydraulic-transmission- braking three-use lubricating oil composition has beneficial effects of good low temperature fluidity, friction reduction, wear resistance, corrosion resistance, rust resistance, emulsification resistance and foaming resistance, and can meet requirements of universal hydraulic transmission oil used by large-medium-sized tractors and construction machinery so as to achieve complete lubricating protection on hydraulic parts, transmission parts, gear parts, power output parts and braking parts, such that a long service life is provided, equipment operation stability is easily improved, and energy saving and consumption reduction are provided.

The invention relates to a wide temperature range polyol ester lubricating oil composition suitable for an aircraft engine. The wide temperature range polyol ester lubricating oil composition suitable for the aircraft engine consists of the following components in percentage by weight: 90-94 percent of polyol ester synthetic base oil, 2-5 percent of an organic polysulfide extreme-pressure wear-resisting agent, 0.5-1 percent of an antioxidant, 1-3 percent of a detergent dispersant and 0.5-1 percent of a corrosion inhibitor. Compared with traditional aircraft lubricating oil, the wide temperature range polyol ester lubricating oil composition has the advantages of excellent low-temperature starting performance, favorable thermal oxidation stability, strong hydrolytic stability, excellent lubricating performance, biodegradability and the like, and can meet the requirements of a modern aircraft engine on long-period rigorous working condition running and wide temperature range use.

The invention discloses composite synthetic air compressor oil comprising the following components: a promoter, diisoalkyl (C8 to C13) linear dibasic ester, poly-alpha-olefin synthetic oil and diisoalkyl (C8 to C13) phthalate esters, wherein, the composite synthetic air compressor oil contains 15% to 20% of diisoalkyl (C8 to C13) linear dibasic ester by weight, 5% to 10% of poly-alpha-olefin synthetic oil by weight and 72% to 74% of diisoalkyl (C8 to C13) phthalate esters by weight. The composite synthetic air compressor oil of the invention can meet the requirements that the carbon residue value thereof is low and the biodegradation rate is higher than 70%; the composite synthetic air compressor oil has high high-temperature anti-oxidation stability, lubricating properties, rust-preventing properties, foam resistance and emulsion resistance; and the invention has the advantages that the energy is saved, the environmental pollution is reduced and the service life is prolonged, therefore, the invention can fully satisfy the operating requirements for rotary-type screw compressors.

The invention discloses ultra-low temperature total synthesis engine oil which comprises an anti-wear reagent at extreme pressure, an antioxidant, a clearing agent, a dispersing agent, a viscosity index improver, an anti-foaming agent, alkyl naphthalene and poly alpha olefin. By mass, the anti-wear reagent at the extreme pressure is of 0.5-1.5%, the antioxidant is of 0.5-0.8%, the clearing agent is of 3.0-6.0%, the dispersing agent is of 2.0-5.0%, the viscosity index improver is of 5.0-10.0%, the anti-foaming agent is of 0.01%, the alkyl naphthalene is of 15.0-20.0% and the balance is the poly alpha olefin. The ultra-low temperature total synthesis engine oil can be applied to a number of extremely cold regions, the low-temperature starting performance and the high-temperature oxidation resistance performance are excellent, generation of oil sludge can be well controlled, and an engine is protected.

The invention relates to a control method of methyl alcohol flexible fuel vehicle and a system thereof. The system comprises a mixed fuel feeding system, an electronic control system and an engine, wherein, mixed fuel in a mixed fuel box comprises methyl alcohol and auxiliary fuel as the balance. A fuel recognition sensor is used for recognizing methyl alcohol content in fuel, corresponding data is transmitted to a data processing unit, the data processing unit analyzes the data and transmits a result to a central control unit, and the central control unit chooses a corresponding working module to adjust the corresponding control parameter, which ensures that the engine works at the optimum state. The invention mainly provides a control system of a methyl alcohol flexible fuel vehicle, which can add mixed fuel at any ratio to the mixed fuel box, needs no additives, has favorable starting performance and high dynamic property and discharges cleanly. The invention solves the technical problems that the fuel supply is out of control because of methyl alcohol-petrol mixed fuel delamination and vehicle starting performance is lowered in the prior art.

The invention discloses a gaseous fuel engine lubricating oil characterized in that the oil comprises low sulfur paraffin wax base oil, anti-oxidizing additive, extreme pressure antiwearing agent, antifoaming additive, pourpoint depressant, and emulsion resisting additive. The lubricating oil is suitable for automobile engine powered by clean fuel (such as LPG, CNG, LNG, etc.).

The invention discloses a bearing lubricating oil composition and a preparation method thereof, and relates to the field of industrial lubricating oil. The bearing lubricating oil composition comprises the following components in parts by mass: 55-70 parts of base oil, 8-15 parts of an oiliness agent, 5-12 parts of an anti-wear reagent at extreme pressure, 5-10 parts of a friction improving agent, 3.5-6 parts of an anti-rusting agent, 3.2-5.8 parts of a viscosity index improving agent and 2.2-4.5 parts of an emulsification inhibitor. The preparation method of the bearing lubricating oil composition comprises the steps of (1) weighing; (2) implementation of a jetting mixing method; (3) ultrasonic oscillation; (4) standing. According to the bearing lubricating oil composition and the preparation method thereof which are provided by the invention, the bearing oil with high friction reduction performance at extreme pressure and lubricating performance is provided, and the corrosion resistance and rusting resistance are excellent; the bearing lubricating oil composition is excellent in low-temperature starting property and high-temperature resistance; damage, caused by friction and external erosion, to a bearing can be effectively reduced, and the service life of the bearing is prolonged.

The invention discloses a preparation method of fuel oil. The fuel oil is prepared from the following raw materials, by weight, 60-80 parts of base oil, 5-30 parts of kerosene, 5-20 parts of light diesel fuel, 0.1-1 part of a cetane number improver, 0.05-0.2 part of a cold flow improver and 0.01-0.1 part of an efficient composite additive. The preparation method comprises the following operations: base oil undergoes stirring, cooling, crystallization and centrifugation; and kerosene, light diesel fuel, the cetane number improver, the cold flow improver and the efficient composite additive are fully mixed with the base oil. The invention also discloses fuel oil. The fuel oil prepared by the above method is applied to steamships and has advantages of high cetane number, good low-temperature starting performance, strong break-out force, low cost and wide source of raw materials. In addition, the preparation technology is simple.

The invention discloses a diesel engine intelligent temperature-control fuel-feed system, resolving the technical problem that the diesel engine is difficult to start and easy to misfire under low-temperature environment. It is mainly composed of fuel tank, erect oil pipe, sedimentation glass, oil pipeline and automatic control circuit. The erect oil pipe is formed of two copper pipes interlinked, the interlayer of the erect oil pipe is vacuum and filled with head conducting medium and the bottom of the erect oil pipe is linked with the first no-red heat source body; the bottom of filter screen of the sedimentation glass is linked with the second no-red heat source body; the environmental temperature sensor is near the sedimentation glass and linked with the temperature control signal; the temperature controller is linked with the two heat source bodies as well as the vehicle power supply. It is widely applied to the manufacture of various diesel oil vehicles.

The invention relates to a fuel-free gas igniting and combustion stabilizing method for an industrial coal powder boiler, solving the problem that cold air powder feed and cold air or low temperature air for combustion affect the adaptability of the coal type in the existing industrial coal powder boilers. The method is characterized in that the mixture of primary air and the coal powder is jetted from a primary air pipe with a central pipe arranged on the axis to form coal powder airflow distributed on the internal and external layers; the air containing ozone or the oxygen containing ozone is jetted from the central pipe, and then a gas ignition gun is adopted to ignite the gas and further ignite the coal powder airflow on the internal layer under the support of the air containing ozone or the oxygen containing ozone, thus igniting the coal powder airflow on the external layer; the ozone accounts for 8.2-9.8% of the air or the oxygen in the central pipe by volume, and the oxygen in the central pipe (1) accounts for 8-9.8% of the oxygen in the primary air pipe (2) by volume. The method realizes that ignition in the industrial coal powder boiler does not need fuel at all, saves cost, ensures wide adaptability of the coal type and is conductive to market promotion of the industrial coal powder boiler.

A process for producing a lubricating oil basestock having at least 90 wt. % saturates and a VI of at least 105 by selectively hydroconverting a raffinate from a solvent extraction zone in a two step hydroconversion zone followed by a hydrofinishing zone, and a lubricating oil basestock produced by said process.

The invention provides a separated solar heat pipe heating/hot water supply device and a method thereof. The separated solar heat pipe heating/hot water supply device comprises an evacuated tube collector, a heat-accumulation water tank and a separated heat pipe, wherein the heat-accumulation water tank is located at a balcony, and a summer water line is formed in the heat-accumulation water tank, and moreover, a water replenishing pipe and a domestic hot water pipe are connected to the bottom of the heat-accumulation water tank; the evaporation section and the condensation section of the separated heat pipe are separated from each other and communicated with each other by use of a steam rising pipe and a liquid falling pipe to form a natural circulation loop; the evaporation section of the separated heat pipe is arranged above the summer water line of the water tank, while the condensation section of the separated heat pipe is embedded in an interior wall for warming. The separated solar heat pipe heating/hot water supply device is provided with the separated heat pipe so that the problem of long-distance unpowered heat transfer can be effectively solved; the separated heat pipe directly serves as a cooling terminal and is efficient in heat transfer capacity; besides, solar energy and building integration is realized.

A method for producing ball-bearing grease that is used particularly in auto parts and annexes thereof consisting of base oil and thickening agents is provided. The cone penetration of the grease is between 180 to 130 at minus 20 DEG C and between 200 to 340 at minus 25 DEG C. Grease within this consistency range is capable of resisting cold outdoors and functioning well for a complete lubrication in the cold environment with making very little noise.

The invention provides a water-ethanol type fire resistant hydraulic fluid for a hydraulic system of an underground coal mine and a preparation method of the water-ethanol type fire resistant hydraulic fluid. The fire resistant hydraulic fluid comprises the following raw material components in percentage by mass: 40-42% of ethylene glycol, 15-17% of block polyether, 0.1-0.2% of vegetable oil acids, 0.5-1% of triethanolamine, 0.3-0.5% of boric acid, 1-1.5% of glycerin, 0.5-0.8% of diethanol amine, 0.5-1% of mercapto-benzothiazole, 0.01-0.02% of Congo red, 0.1-0.3% of water-based silicone oil and the balance of reagent deionized water. The fire resistant hydraulic fluid is prepared by the steps: in multiple raw material components of the fire hydraulic fluid retardarnt, carrying out a saponification reaction between the vegetable oil acids and triethanolamine to obtain oleamide; reacting the boric acid, diethanol amine and glycerin to obtain borate, mixing deionized water, ethylene glycol, oleamide, borate and Congo red, controlling the reaction conditions, adding the block polyether after the reaction is ended, cooling after stirring and mixing; and adding the mercapto-benzothiazoleand water-based silicone oil, and stirring, thereby obtaining the water-ethanol type fire resistant hydraulic fluid. The water-ethanol type fire resistant hydraulic fluid can be applied to the hydraulic system of the underground coal mine, and safety production and high-efficiency operation of the underground coal mine are ensured.

The invention relates to the technical field of diesel generating sets, and discloses a diesel generating set with good low-temperature starting performance and a low-temperature starting method. Thediesel generating set with the good low-temperature starting performance comprises a controller of the diesel generating set, an intake preheating grid and an intake fuel air heater which are respectively used for heating the intake air of an engine of the diesel generating set, a direct-current engine oil heater used for heating the engine oil of the diesel generating set, an engine oil temperature sensor which is used for detecting the temperature of the engine oil and an air temperature sensor used for detecting the temperature of the surrounding environment, and the air inlet preheating grid, the air inlet fuel oil air heater, the direct-current engine oil heater, the engine oil temperature sensor and the air temperature sensor are respectively connected with the controller. Accordingto the present invention, the low-temperature starting performance of the diesel generating set is improved, and meanwhile the later-period unit maintenance cost is reduced.

The invention provides an engine oil compound, engine oil and a preparation method thereof. The engine oil compound comprises high-branched polyethylene base oil and an additive, wherein the weight-average molecular weight of the high-branched polyethylene is 500-5000 and the branching degree is 0.15-0.40. An embodiment of the invention selects the high-branched polyethylene as base oil for preparing the engine oil; the oil product has excellent viscosity-temperature property, low-temperature starting performance and high-temperature oxidation resistance; the production of the oily sludge can be effectively controlled; the oil replacement period is prolonged.

The invention relates to high-cleaning composite gasoline and a preparation method thereof. The high-cleaning composite gasoline comprises the following components in part by weight: 10 to 25 parts of methanol, 15 to 20 parts of naphtha, 52 to 74 parts of solvent gasoline and 1 to 3 parts of additive, wherein the additive is prepared from 10 weight percent of tridecyl alcohol, 10 weight percent of hexadecyl sodium sulfonate, 20 weight percent of hexadecyl calcium sulfonate, 50 weight percent of naphthenic acid, 2.5 weight percent of tertiary butanol, 2.5 weight percent of isobutanol and 5 weight percent of isopropanol. The preparation method comprises the following steps of: 1) preparing the additive; 2) preparing denatured methanol; and 3) blending the denatured methanol, the naphtha and the solvent gasoline to prepare the high-cleaning composite gasoline. The high-cleaning composite gasoline of the invention has good cold boot, strong anti-corrosion performance, full combustion, powerful motive power and clean discharged tail gas and abundant sources and low cost of raw materials, and can solve the problem that natural fuel is in short supply.

The present invention discloses one kind of caster oil-base engine lubricating oil and its preparation process. The caster oil-base engine lubricating oil consists of dibasic acid ester 30-50 weight portions, synthetic ester 15-30 weight portions, safflower oil 2-5 weight portions, perilla seed oil 2-5 weight portions and fatty acid ester 2-5 weight portions, as well as viscosity index improver and functional compounding agent. The preparation process includes mixing the components through stirring at 30-300 deg.c and normal pressure, filtering and packing. The caster oil-base engine lubricating oil has high lubricating efficiency, saving in energy, no pollution, low cost and wide application.