30results about How to "Solve air resistance" patented technology

The invention relates to a multifunctional alcohol fuel additive, aiming at resolving such technical problems existing in prior alcohol fuel as the mutual solubility, the power performance and the stability are poor, cleaning degrees of oil products and fuel oil system are poor and the corrosion and the air resistance of methanol gasoline can not be effectively handled. The additive comprises following components in portion by volume: 50 to 60 portions of cosolvent, 5 to 10 portions of corrosion inhibitor, 0 to 30 portions of detergent dispersant, 0 to 10 portions of rubber plasticizer and 0 to 15 portions of vapor pressure inhibitor. The additive has the advantages of high octane value, strong power performance, good stability, desirable mutual solubility, environmental protection and energy conservation, and can effectively inhibit metallic corrosion, improve the cleanness of oil products and resolve the problems of air resistance.

The invention belongs to the technical field of low-temperature plasma application, and relates to an electric discharging device of a rotation electrode. The device comprises an impeller, a rotation electrode, a fixed electrode, and an electric motor, wherein the rotation electrode is arranged between the electric motor and the fixed electrode, and is fixedly arranged on the impeller or a shaft of the electric motor. The electric motor drives the impeller and the rotation electrode to move. High voltage is applied between the rotation electrode and the fixed electrode, and corona discharging is generated between the two electrodes. Since the electric motor drives the rotation electrode to move, corona rotates with the movement to draw a large-volume plasma area. Plasma is uniformly dispersed in a whole airflow channel between the two electrodes. Therefore, the electric discharging device can be applied to an air purifier and allows no dead corner to be left during purification. Moreover, the rotation electrode can greatly reduce the ozone yield, and prolongs the service life of asymmetric electrodes.

The invention discloses a heating furnace tube for heating gas-liquid mixture and / or gas-liquid-solid mixture. The tubular heating furnace for heating gas-liquid mixture and / or gas-liquid-solid mixture provided by the present invention comprises a spiral furnace tube and a burner; the spiral furnace tube is set upright; the burner is arranged on the The inner and outer sides of the spiral furnace tube; the Reynolds coefficient of the gas-liquid mixture and / or gas-liquid-solid mixture is 2000-8500; the volume percentage of gas in the gas-liquid mixture and / or gas-liquid-solid mixture is 75vol %‑80vol%. The spiral furnace tube proposed by the present invention is in an upright spiral shape, which completely overcomes the problem of air resistance, and at the same time overcomes solid deposition, avoids side wall effects, and ensures stable fluid flow form. It is especially suitable for heating medium containing gas, such as gas-liquid mixture, gas-liquid-solid mixture, etc.

The invention discloses a methanol gasoline air-lock inhibitor, formed by mixing the following components in percentage by weight: 80-90% of polymethoxy acetal, 3-6% of aliphatic alcohol, 2-5 parts of aliphatic ether, 2-6 parts of aliphatic ketone, 1-2% of metallic corrosion inhibitor and 1-2% of rubber swelling inhibitor. After the methanol gasoline air-lock inhibitor provided by the invention is added into methanol gasoline, through the way that the methanol gasoline air-lock inhibitor reacts with methanol to form hydrogen bond, so that the initial boiling point of the methanol gasoline and the distilled temperature for distilling 5-10% distillate of the methanol gasoline are raised, thus playing a role in reducing saturated vapor pressure of the methanol gasoline and solving air-lock of the methanol gasoline.

The invention relates to a multifunctional alcohol fuel additive, aiming at resolving such technical problems existing in prior alcohol fuel as the mutual solubility, the power performance and the stability are poor, cleaning degrees of oil products and fuel oil system are poor and the corrosion and the air resistance of methanol gasoline can not be effectively handled. The additive comprises following components in portion by volume: 50 to 60 portions of cosolvent, 5 to 10 portions of corrosion inhibitor, 0 to 30 portions of detergent dispersant, 0 to 10 portions of rubber plasticizer and 0 to 15 portions of vapor pressure inhibitor. The additive has the advantages of high octane value, strong power performance, good stability, desirable mutual solubility, environmental protection and energy conservation, and can effectively inhibit metallic corrosion, improve the cleanness of oil products and resolve the problems of air resistance.

The invention belongs-the field of alcohol ether low-carbon clean energy, and discloses a methanol fuel for vehicles. The methanol fuel for the vehicles is prepared from 15-96 wt% of methanol, 0.5-2 wt% of a multi-carbon alcohol, 2.5-10 wt% of aliphatic ether, 0.5-57.5 wt% of a hydrocarbon compound, 0.4-15 wt% of an aromatic hydrocarbon and 0.1-0.5 wt% of an additive, wherein the multi-carbon alcohol is a fatty alcohol with the carbon number being 3-8 and the molecular formula being CnH2n+1OH, the hydrocarbon compound is gasoline only containing hydrogen and carbon, and the aromatic hydrocarbon is a benzene ring-containing hydrocarbon with the carbon number being larger than or equal-7 and the general formula being CnH2n-6. Organic acids, alkylamine and alkynyl ester amine are subjected toorganic synthesis modification by using the additive in the methanol fuel for the vehicle in order to integrate multiple organic groups, so that the problems of layering when meeting water and low temperature, rubber swelling, metal corrosion, hot air resistance and cold start of methanol fuels for vehicles are solved.

The invention provides a marine electric pump system assembly and a working method thereof and belongs to the field of liquid pumping equipment. The marine electric pump system assembly comprises a pipeline pump suction inlet pipeline and a sliding vane pump suction inlet pipeline; a branch is arranged at the lower part of the pipeline pump suction inlet pipeline; an electric immersed pump is arranged on the branch; a bottom valve is arranged at the lower end of the pipeline pump suction inlet pipeline; the bottom valve and the electric immersed pump are arranged corresponding to the bottom ofa liquid tank in a ship; the bottom valve is a one-way valve only opened towards the interior of the pipeline pump suction inlet pipeline; the upper part of the electric immersed pump communicates with the input end of an anti-explosion pipeline pump; the output end of the anti-explosion pipeline pump communicates with an oil collecting pipeline; the upper end of the sliding vane pump suction inlet pipeline stretches out of a ship deck and communicates with the input end of a vacuum sliding vane pump; and the output end of the vacuum sliding vane pump communicates with the oil collecting pipeline. The marine electric pump system assembly conveys liquid in the suction pipeline of the anti-explosion pipeline pump through positive pressure, thoroughly solves the air resistance problem generated when liquid is conveyed through negative pressure, and is low in cost and high in power.

The invention belongs to the technical field of liquid pumps, and in particular relates to a pump capable of eliminating air resistance. The pump capable of eliminating air resistance includes a pump whose inlet and outlet are respectively connected with a liquid inlet pipe and a liquid outlet pipe, wherein a vacuum pump is connected in parallel with the liquid outlet pipe, and a control device controls the start and stop of the pump and the vacuum pump. The device can completely eliminate the gas resistance phenomenon, and has a simple structure.

The invention relates to an energy-saving electric pump, which is characterized in that the energy-saving electric pump comprises a base, a check valve, a suction inlet, a pump, a guide bearing seat, an inner oil suction hood, an outer oil suction hood, a motor, a flange body and a joint; the inlet of a main flow passage, the suction inlet, the pump, the flow passage of the guide bearing seat, a flow passage between the shell of the motor and the inner wall of the inner oil suction hood, the flow passage of the flange body and the inner flow passage of the joint form the main flow passage; and the inlet of a bypass large flow passage, a flow passage formed by the check valve and the base, an annular flow passage formed between the inner oil suction hood and the outer oil suction hood and the side flow passage of the joint form the bypass large flow passage. The working method of the energy-saving electric pump is characterized in that: during unloading, oil firstly enters the main flow passage of the energy-saving electric pump, then the check valve is opened, the oil enters the bypass large flow passage and the two flow passages deliver the oil; and during loading, a filling accessory opens the check valve and the two flow passages deliver the oil. The energy-saving electric pump has the advantage that the air resistance in an oil delivery pipe is thoroughly eliminated because a suction system is changed to work in a positive-pressure oil delivery mode instead of the original negative-pressure oil suction mode.

The invention relates to an easily produced and assembled disc type brake caliper assembly and an assembling method. The easily produced and assembled disc type brake caliper assembly comprises an axle pin, a bracket and an axle pin dust cover for sealing connection of the axle pin and the bracket. The axle pin comprises a pin body, a neck part and an end part integrally formed. The bracket is provided with a bracket pin hole, the pin body is inserted into the bracket pin hole and is in clearance fit to the bracket pin hole, a dust cover groove of the bracket pin is formed in the periphery ofthe mouth of the bracket pin hole, a dust cover groove of the axle pin is arranged between the neck part and the end part of the axle pin, two ends of the dust cover of the axle pin are hermetically clamped to the dust cover groove of the bracket pin and the dust cover groove of the axle pin, and an exhaust groove of the axle pin is formed in the neck part of the axle pin. When the axle pin, the dust cover of axle pin and the bracket are assembled, gas in the dust cover of the axle pin is discharged from an air storage cavity through the exhausting groove of the axle pin, so that the problem of exhausting in a brake caliper assembling process in the current market is solved, and the production efficiency is improved and the personnel cost is lowered greatly.

The invention discloses a knock preventing and air resistance lowering agent for bio-based methanol gasoline and a preparation method of the knock preventing and air resistance lowering agent. The knock preventing and air resistance lowering agent consists of 75-80% of knock preventing ingredient and 20-25% of air resistance resisting ingredient; and the knock preventing and air resistance lowering agent product is prepared through uniformly mixing the two functional ingredients at normal temperature. According to the knock preventing and air resistance lowering agent and the preparation method of the knock preventing and air resistance lowering agent, cleanable, environmental-friendly, reproducible and degradable petroleum yeast fatty acid is selected as a cheap additive, so that the energy is saved and the emission is reduced; and compared with the prior art, the knock preventing and air resistance lowering agent is low in cost, non-toxic, free of pollution, low in dosage and remarkable in knock preventing and air resistance lowering effect, does not contain heavy metal ingredients, such as MTBE, MMT (Methyl-cyclopentadienyl-Manganese-Tricarbonyl) and ferrocene, and cannot cause secondary pollution to environment. The knock preventing and air resistance lowering agent and the preparation method of the knock preventing and air resistance lowering agent have the advantages that the temperature of the initial boiling point (namely a first drop of a boiling range) of the methanol gasoline can be increased due to the adoption of the yeast fatty acid, and then, the air resistance rate is reduced obviously; and the effect of adjusting the boiling range and saturated vapor pressure is very obvious, and the problem of high-temperature air resistance of the methanol gasoline is solved effectively.

The invention discloses a methanol gasoline air-lock inhibitor, formed by mixing the following components in percentage by weight: 80-90% of polymethoxy acetal, 3-6% of aliphatic alcohol, 2-5 parts of aliphatic ether, 2-6 parts of aliphatic ketone, 1-2% of metallic corrosion inhibitor and 1-2% of rubber swelling inhibitor. After the methanol gasoline air-lock inhibitor provided by the invention is added into methanol gasoline, through the way that the methanol gasoline air-lock inhibitor reacts with methanol to form hydrogen bond, so that the initial boiling point of the methanol gasoline and the distilled temperature for distilling 5-10% distillate of the methanol gasoline are raised, thus playing a role in reducing saturated vapor pressure of the methanol gasoline and solving air-lock of the methanol gasoline.

The invention discloses an organic waste pyrolysis oil and gas purification recovery process and device. The high-temperature pyrolysis oil gas enters the multi-stage cooling and purification separator through the gas phase guide pipe, and the gas phase decompression guide pipe is passed between the cooling and purification separators of each stage. It is connected with the liquid phase guide pipe. After the high-temperature cracked oil gas is cooled and absorbed by the built-in water in the cooling and purifying separators of each stage, the separated non-condensable gas is collected from the upper end of the cooling and purifying separator of the final stage, and the wax oil is collected from the cooling and purifying separator of each stage. The wax oil outlet at the lower end is collected, the fuel oil is collected from the fuel oil outlet of the final cooling and purification separator, and the settled impurities and liquid are discharged from the sewage outlet at the bottom of the final cooling and purification separator. The invention has the following outstanding advantages: using liquid water as the cooling and separating medium, it can quickly separate the wax oil, fuel oil and non-condensable gas contained in the oil and gas; The problem of pressure suppression in the cavity of the stage cooling and purification separator and air resistance in the liquid phase diversion pipeline.

The invention relates to a compression ignition methanol engine fuel supply system and its control method, mainly related to the field of methanol engine supply system, and its main feature is that the system effectively eliminates the cooling effect of the methanol fuel by the circulating flow of the methanol fuel and the fuel cooler The air resistance problem in the methanol engine fuel supply system, especially the air resistance problem at the oil control valve of the high-pressure oil pump of the engine, and the oil supply pressure and fuel temperature of the system can be adjusted in the fuel cycle. The present invention realizes the circulation flow of methanol fuel in the methanol engine fuel supply system by adding an electric oil delivery pump, a fuel cooler, and a throttle valve to the engine fuel supply system, and controls the throttle valve and the cooling fan through the electronic control unit ECU The control of the working state effectively reduces the accumulation and evaporation of methanol fuel in the fuel supply pipeline and ensures the normal fuel supply of the methanol engine.

The invention belongs-the field of alcohol ether low-carbon clean energy, and discloses a methanol fuel for vehicles. The methanol fuel for the vehicles is prepared from 15-96 wt% of methanol, 0.5-2 wt% of a multi-carbon alcohol, 2.5-10 wt% of aliphatic ether, 0.5-57.5 wt% of a hydrocarbon compound, 0.4-15 wt% of an aromatic hydrocarbon and 0.1-0.5 wt% of an additive, wherein the multi-carbon alcohol is a fatty alcohol with the carbon number being 3-8 and the molecular formula being CnH2n+1OH, the hydrocarbon compound is gasoline only containing hydrogen and carbon, and the aromatic hydrocarbon is a benzene ring-containing hydrocarbon with the carbon number being larger than or equal-7 and the general formula being CnH2n-6. Organic acids, alkylamine and alkynyl ester amine are subjected toorganic synthesis modification by using the additive in the methanol fuel for the vehicle in order to integrate multiple organic groups, so that the problems of layering when meeting water and low temperature, rubber swelling, metal corrosion, hot air resistance and cold start of methanol fuels for vehicles are solved.

A filtering gas-liquid separation device belongs to the technical field of fuel supply of an engine which includes an exchange cubage and an oil return tube used for receiving the return oil of the fuel sprayer; an exhaust channel is arranged above the exchange cubage; an oil outlet tube used for supplying oil to a fuel sprayer is arranged below the exchange cubage; an oil inlet used for leading the fuel to enter the device from an oil box is arranged in a fuel box; a multiple fuel filters are arranged between the oil inlet and the exchange cubage; the outlet of the oil return tube is arranged in the exchange cubage so as to lead the distance to be larger than the size of the largest confusion area of the liquid of the oil return tube and lead the air bladders of the oil return tube to beincapable of entering the oil outlet tube. The invention can be suitable for a pulse electric fuel spraying system which not only ensures the fuel steams to be exhausted in time, increase the filtering of multiple fuels and lead the fuel spraying system to work reliably, but also can carry out complete protection on the fuel sprayer and obtain further improvements on the productive performance and beautiful performance simultaneously.