9 results about "Antiknock agent" patented technology

The utility model provides a nonmetal antiknock stirring and mixing device, which relates to the technical field of nonmetal antiknock processing and comprises a mixing box, a feed hopper and a discharge pipe are arranged on the mixing box, and an electromagnetic valve is arranged on the discharge pipe. The device further comprises a driving motor, a stirring roller, a first stirring rod, a second stirring rod, a spiral rod, a third stirring rod and a fourth stirring rod. According to the device, the design that the stirring rods are matched with the screw rods is adopted, so that the nonmetal antiknock can move up and down in the mixing process, and the design that the inclined stirring rods and the horizontal stirring rods are distributed in a staggered manner is adopted, so that the shearing force and the up-down mixing force can be effectively improved; meanwhile, a third stirring rod and a fourth stirring rod provide stirring in more directions, so that the mixing and stirring effect of the non-metal antiknock agent is remarkably improved, and the using effect of the device is better.

The invention discloses a raw material proportion metering device in MMT antiknock synthesis, and relates to the technical field of MMT antiknock synthesis, the raw material proportion metering device comprises a weighing seat, a gas storage tank is arranged on one side of the top of the weighing seat, and a heating tank is arranged on the other side of the top of the weighing seat; the sodium melting tank is fixed in the output pipe; and the heating assembly is arranged at the bottom of the heating tank. The sodium melting tank can be heated under the action of the heating assembly, then sodium is placed on the filter screen and penetrates through the filter screen after being molten, sodium is separated from an oxidation film on the surface of the sodium, pure molten sodium exists at the bottom of the sodium melting tank after being filtered by the filter screen, and then the purity of products is guaranteed; nitrogen is injected into the sodium melting tank, it can be guaranteed that sodium is not oxidized, the sodium melting efficiency can be improved through nitrogen circulation, after the nitrogen continuously enters the sodium melting tank, the air pressure in the sodium melting tank is increased, and molten sodium can be output under the cooperation of the air pressure.

The invention discloses a reaction kettle liquid level monitoring device in MMT antiknock synthesis, and relates to the technical field of MMT antiknock synthesis, the reaction kettle liquid level monitoring device comprises a communicating pipe, the top of the communicating pipe is provided with a second connecting pipe; the partition plate is fixed in the second connecting pipe, and a plurality of through holes are formed in the side wall of the partition plate; the negative pressure pipe and the positive pressure pipe both penetrate through the inner wall of the second connecting pipe, and the negative pressure pipe and the positive pressure pipe are located on the two sides of the partition plate; the sealing assembly is arranged in the second connecting pipe, and the sealing assembly is used for sealing the partition plate; the adjusting assembly is arranged at the end of the negative pressure pipe. When the gas conveying assembly works, gas, located on one side of the partition plate and in the reaction kettle, in the second connecting pipe can be pumped out and injected into the sealing assembly through the adjusting assembly to seal the second connecting pipe, so that the gas enters the communicating pipe, and then materials in the communicating pipe are pressed back into the reaction kettle; and the materials in the communicating pipe can participate in the reaction.

The application discloses an environment-friendly and energy-saving diesel engine clean fuel, and particularly relates to the technical field of clean fuel.The environment-friendly and energy-saving diesel engine clean fuel is prepared from an additive and kerosene in a mass ratio of 1:(300-430).The additive comprises the following raw materials in parts by mass: a cetane improver 40-62 parts, an anti-knock agent 5-10 parts, an anti-corrosion agent 15-30 parts, dimethyl silicone oil 8-10 parts, and a cleaning agent 3-6 parts.The additive is mixed with kerosene, the stability of the fuel is further improved, the utilization rate of the fuel is improved, so that the prepared clean fuel can be effectively combusted in use, and environmental pollutants generated in the combustion process are reduced.

The present application belongs to the field of gasoline additive, and particularly relates to an environment-friendly gasoline antiknock agent and a preparation method thereof. The antiknock agent comprises two newly designed modified compounds: 3,5-di-tert-butyl phenyl carborane carboxylate and 2-(dicyclohexyl phosphino)-1,2-oxaborinin-4-carboxylic acid iso-octyl ester. In the preparation, a cosolvent is first added into a reactor, and then the two modified compounds, polyisobutylene amine, isobutyl acetate and dimethyl malonate are sequentially added under an inert atmosphere. After mixing by continuous stirring, the temperature is raised, an antioxidant is added, and then stirring is continued. Finally, the product is obtained by cooling and filtering. The two modified compounds are prepared by condensation reaction of carborane carboxylic acid and steric phenol, esterification of oxaborinin carboxylic acid and iso-octanol, and then phosphination reaction. The antiknock agent does not contain metal elements, has biodegradable characteristics, can significantly improve the octane number of gasoline and reduce engine deposits and harmful gas emissions, and meets the green environmental protection requirements.

The invention relates to the field of fuel oil, and discloses a method for preparing ether-containing lead-free gasoline, which comprises the following steps: distilling alkylated gasoline, taking a distillation product with a distillation range of 36-140 DEG C as cutting oil, and mixing 60-85 wt% of cutting oil, 5.5-15 wt% of isopentane, 2-18 wt% of C6-C10 aromatic hydrocarbon and an additive, and the additive contains 2 to 20 weight percent of dialkyl ether and 110 to 300 mg Mn / kg of manganese-containing antiknock agent. The key indexes of the lead-free gasoline provided by the invention meet the specification requirements of 100VLL in ASTM910 and 100LL high-grade aviation gasoline in GB1787, and meanwhile, the lead-free gasoline does not contain lead compounds and aromatic amine compounds and is low in aromatic hydrocarbon content. In addition, the preparation process of the lead-free gasoline is simple, easy to operate and low in cost, and has industrial application prospects and remarkable economic and social benefits.

The invention belongs to the technical field of methanol production and fuel preparation, and provides a green methanol fuel and a preparation method thereof. The method comprises the following steps: firstly, carrying out alkali washing, ozone oxidation and molecular sieve drying treatment on captured carbon dioxide to prepare high-purity carbon dioxide, purifying hydrogen through a molecular sieve to obtain high-purity hydrogen, then reacting to generate a crude methanol aqueous solution, and simultaneously recovering unreacted gas; unreacted gas is separated through a Pd / Ag film, the remaining high-purity carbon dioxide enters an electro-catalysis system to be further converted into methanol, the obtained methanol is mixed with a crude methanol aqueous solution after being enriched through a molecular sieve, and absolute methanol is prepared through azeotropic distillation and dehydration; then, the waste grease reacts with bio-based ethanol to prepare a bio-based combustion improver, and the bio-based combustion improver, absolute methanol, naphtha, a preservative, an antiknock agent and the like are jointly prepared into the green methanol fuel.

The invention relates to the field of fuel oil, and discloses a method for preparing lead-free gasoline, which comprises the following steps: distilling alkylated gasoline, taking a distillation product with a distillation range of 38-135 DEG C as cutting oil, and mixing 40-90 wt% of cutting oil, 2-15 wt% of C4-C5 alkane, 0-50 wt% of C8 alkane, 2-10 wt% of C6-C10 aromatic hydrocarbon and an additive, and the additive contains 0.5 to 5% by weight of aniline and 60 to 300 mg Mn / kg of a manganese antiknock agent. The lead-free gasoline disclosed by the invention has the advantages of high octane number, proper heat value, relatively low freezing point, relatively good oxidation stability and water reaction and the like, meanwhile, the addition amount of aniline and manganese antiknock agents is greatly reduced, and the preparation process is simple. Particularly, according to a preferred embodiment of the invention, the lead-free gasoline meets the GB1787-2018 standard of aviation gasoline with the number of 100LL.

The invention belongs to the field of gasoline additives, and particularly relates to an environment-friendly gasoline antiknock and a preparation method thereof, the antiknock comprises two newly designed modified compounds: 3, 5-di-tert-butyl phenyl carborane carboxylic ester and 2-(dicyclohexylphosphino)-1, 2-oxaborin-4-carboxylic acid isooctyl ester. The preparation method comprises the following steps: adding the cosolvent into a reactor, sequentially adding the two modified compounds, the polyisobutene amine, the isobutyl acetate and the dimethyl malonate in an inert atmosphere, continuously stirring and mixing, heating, adding the antioxidant, continuously stirring, and finally cooling and filtering to obtain a finished product. The two modified compounds are prepared through condensation reaction of carborane carboxylic acid and sterically hindered phenol, esterification of borane carboxylic acid and isooctanol and phosphination reaction respectively. The antiknock agent disclosed by the invention does not contain metal elements, has the characteristic of biodegradability, can remarkably improve the octane number of gasoline and reduce engine sediments and harmful gas emission, and meets the green and environment-friendly requirements.