The invention discloses an anti-coking agent for delaying coking and belongs to the field of petrochemical engineering. The anti-coking agent for delaying coking is prepared from components in percentage by mass as follows: 10%-30% of a thermal cracking accelerative activator, 20%-40% of a free radical chain reaction inhibitor, 1%-15% of an anti-scorching agent, 1%-15% of an antioxidant and the balance of a solvent, wherein the thermal cracking accelerative activator is block polyether, the free radical chain reaction inhibitor is pentaerythritol ether, and the anti-scorching agent is a sulfonamide agent. The anti-coking agent for delaying coking can effectively prevent and inhibit cokes from settling in a furnace tube of a heating furnace and can inhibit a free radical chain reaction, reduce production of dry gas, prevent aromatic hydrocarbon from condensation, reduce coke production, improve the thermal cracking reaction activity and improve the selectivity of a coking reaction; coking and scale depositing caused by high-temperature oxidation of raw materials in the furnace tube can be prevented, the scale inhibiting ratio reaches 92% or above, and the device running cycle is prolonged by one time or more.

Anti-coking agent for delaying coking and preparation method of anti-coking agent

The invention specifically relates to an alcohol-based liquid fuel with high calorific value and a preparation method thereof. The alcohol-based liquid fuel comprises the following raw materials by weight: 85 to 90 parts of methanol, 10 to 15 parts of C12 fuel oil, 5 to 10 parts of octanol, 15 to 20 parts of methylal, 1 to 4 parts of a deodorant and 10 to 15 parts of an additive. The additive comprises the following raw materials by weight: 5 to 10 parts of ethanol, 3 to 5 parts of glyceryl triacetate, 4 to 7 parts of a cationic fluorocarbon surfactant, 3 to 5 parts of ferrocene, 10 to 15 parts of a hydrocarbon compound, 10 to 15 parts of a combustion improver, 3 to 5 parts of a stabilizing agent and 3 to 5 parts of an antidetonant. According to the invention, the components of the alcohol-based liquid fuel with high calorific value cooperate with each other, so the alcohol-based liquid fuel is thorough in combustion, high in combustion heat value and free of carbon deposition, and hasgood intersolubility with gasoline, good corrosion resistance, good vaporability and good positive additivity.

Alcohol-based fuel with high calorific value and preparation method thereof

The invention relates to a preparation method for No. 93 and No. 97 vehicle ethanol gasoline E10 compositions. The vehicle ethanol gasoline E10 composition comprises anaerobic gasoline base oil or light aromatic hydrocarbon and xylene, fuel ethanol, biphenyl, polyether-amine-type cleaning dispersing agent, a quaternary-ammonium-type positive ion fluorocarbon surfactant and a friction improver. Alltechnical indexes of the vehicle ethanol gasoline E10 composition are in comply with a national 'vehicle ethanol gasoline E10' standard. Compared with E10-93# and E10-97# 'vehicle ethanol gasoline E10' supplied in the market, the power of the vehicle ethanol gasoline E10 composition is improved by 5% or more, gasoline is saved by 5% or more, and waste gas pollutants are reduced by 40% or more.

Vehicle ethanol gasoline E10 composition

The invention relates to pesticide emulsion water, a preparation method and applications thereof, wherein the pesticide emulsion water comprises a dispersed oil phase and a continuous aqueous phase according to a weight ratio of 50:50-74:26. The preparation method comprises: (1) preparing a dispersed oil phase and a continuous water phase; and (2) treating the dispersed oil phase and the continuous water phase in a micro-reaction system to obtain the oil-in-water emulsion water. According to the invention, the pesticide emulsion water with good stability is prepared by adopting the micro-reaction technology and using a small amount of the emulsifier and the auxiliary agent.

Pesticide emulsion water, preparation method and applications thereof

The invention discloses a clean diesel composition, a clean diesel additive and a preparation method thereof. The clean diesel additive comprises dilinoleic acid, n-butylferrocene, oleic acid modifiednano Fe and/or oleic acid modified graphene, 2,6-ditertbutyl-4 methylphenol and polyether compounds. The preparation method of the clean diesel additive includes: heating a strong acid resin catalystas well as triformol and dewatered C2-C5 alcohol to 50-120DEG C for reaction; performing distillation treatment to obtain the polyether compounds; evenly mixing the polyether compounds, dilinoleic acid, n-butylferrocene, oleic acid modified Fe and/or oleic acid modified graphene and 2,6-ditertbutyl-4 methylphenol to obtain the clean diesel additive. Compared with the prior art, the clean diesel additive has the advantages that particulate pollutant discharge can be reduced obviously, cetane number is improved, low condensation point, good lubrication and high flash point are achieved, and adding of a surfactant is not needed.

Clean diesel composition, clean diesel additive and preparation method thereof

The utility model discloses a high -efficient, high -power diesel oil, marine fuel oil microemulsified device, it includes: first control valve, a mass flow meter, first measuring pump are installed to diesel oil or marine fuel oil storage tank, its delivery line, second control valve, the 2nd mass flow meter, second measuring pump are installed to soft water storage tank, its delivery line, output termination in the 3rd mass flow meter of first measuring pump, second measuring pump, the 3rd mass flow meter's output termination in basket filter, basket filter's output termination in high speedshearing dispersion isotropic symmetry, output termination in the static mixer of high speed shearing dispersion isotropic symmetry, static mixer's output termination passes through the gear pump andinserts the product tank in ultrasonic wave emulsification cast resonant wedge whistle sub -assembly, the output of ultrasonic wave emulsification cast resonant wedge whistle sub -assembly. The device production efficiency is high, 9550 kilocalorie kg of calorific value >, and it is with low costs, the oil -water ratio is up to 70: 30, the characteristics that have energy -conservation, environmental protection, comprehensive use of resources.

High -efficient, high -power diesel oil, marine fuel oil microemulsified device

The invention discloses an oil product quality improver for gasoline, diesel and ship distillate fuel oil. The oil product quality improver comprises: 1) xylene; 2) polyisobutene amine; 3) biphenyl; 4) a cationic fluorocarbon surfactant; (5) phosphate MAX-P16. The oil product quality improver can further comprise triphenyl phosphite. The components of the oil product quality improver provided by the invention are added into 89#, 92#, 95# and 98# 1 gasoline, diesel and ship distillate fuel oil with national standard, and the oil product quality improver has the effects of eliminating deposit in an oil path, an engine combustion chamber and a fuel spray nozzle and eliminating carbon deposit. Mixed gases are combusted at the optimal ignition position of an upper dead point of an air cylinder instantly and synchronously after catalytic reaction, the thrust of a piston is increased by 30 percent or above, preignition is inhibited and detonation is eliminated. The octane value of the gasoline is increased by 3 to 6 units, the cetane value of the diesel is increased by 2 to 3 units, the heat efficiency is increased by 7 percent or above, the power is increased to 10 to 20 percent or above, oil is saved by 10 to 20 percent, and the advantages of energy conservation, environmental friendliness, capability of reducing cost and the like are achieved.

Oil product quality improver for gasoline, diesel and ship distillate fuel oil

The invention relates to the field of clean energy, and in particular relates to an oxygenated compound for polyether clean diesel and a preparation method of the oxygenated compound. The oxygenated compound is prepared by the following ways: adding an etherified intermediate, a thermally cracked diesel component and a high-temperature anti-coking agent to a reaction kettle in the mass ratio of 1: 1: (0.00017-0.0008), vacuumizing, stirring and heating unitl the conditions that the temperature is 373-438 DEG C and saturated vapor pressure is 1-3Mpa are achieved, cooling with water through a heat exchanger and releasing to obtain a finished product. The oxygenated compound disclosed by the invention has the beneficial effects that a polyoxymethylene dimethyl ether (PODE) polymer and the diesel component generated by mixing and reacting the polyether intermediate obtained by reaction of methanol and trioxymethylene with olefin obtained by thermally cracked of shale oil or low-temperature coal tar not only can be added to diesel at any proportion as an oxygen-increasing agent, but also can replace the diesel; the oxygenated compound for the polyether clean diesel is produced from unexploited methanol, shale oil and low-temperature coal tar, thus realizing maximum development and utilization of resource; in addition, the preparation process is simple and investment cost is saved.

Oxygenated compound for polyether clean diesel and preparation method of oxygenated compound

The invention discloses catalyst composition for gasoline, diesel and distillate fuel oil for ships. The catalyst composition is prepared from formula components as follows: 600 parts by weight of di-tert-butyl peroxide, 350 parts by weight of dimethoxymethane, 25 parts by weight of biphenyl, 25 parts by weight of a cationic surfactant and 0.1 parts by weight of ferrocene, the formula components are taken as main raw materials and are circularly mixed and uniformly stirred by a static mixer through a gear pump at the normal temperature, a mixture is filtered by a 400-mesh filter, and a finished product is obtained, wherein the finished product is in beer color and density is 0.85 kg/L at the temperature of 20 DEG C. 5-8 parts by weight of the catalyst composition is added to 1,000 parts by weight of each of the gasoline, the diesel and the distillate fuel oil for ships; heat value is larger than 98,000 kcal/kg, energy is saved by 15% or higher, and exhaust pollutant emission is reduced by 80% or higher.

Catalyst composition for gasoline, diesel and distillate fuel oil for ships

The invention discloses environment-friendly low-carbon novel marine fuel oil with a high heat value. The environment-friendly low-carbon novel marine fuel oil in a formula comprises, by weight, 600-750 kg of main raw materials for marine fuel oil, 250-350 kg of soft water, 80-120 kg of emulsified liquid, 1-3 kg of cetane number increasing agents, 0.05-0.15 kg of biphenyl, 0.15-0.3 kg of polyisobutene amine, 0.005-0.015 kg of benzotriazole and 0.3-0.5 kg of ferrocene. The environment-friendly low-carbon novel marine fuel oil has the advantages that components for the environment-friendly low-carbon novel marine fuel oil are mixed with one another by the aid of 500kHz high-frequency and 25KW high-power ultrasonic micro-emulsifying machines and homogenous high-speed shearing machines to obtain the environment-friendly low-carbon novel marine fuel oil, and the environment-friendly low-carbon novel marine fuel oil which is marine distillate fuel oil is clear and transparent, and is free of color change or oil-water layering after being used for 3 years; the environment-friendly low-carbon novel marine fuel oil is suitable to be used by marine diesel main engines and power generators, is environmentally friendly, low-carbon, anti-rust and anticorrosion, is low in cost and has the high heat value, energy can be saved, and the like.

Zhao Jianming

Papers

High -efficient, high -power diesel oil, marine fuel oil microemulsified device

Oil product quality improver for gasoline, diesel and ship distillate fuel oil

Oxygenated compound for polyether clean diesel and preparation method of oxygenated compound

Catalyst composition for gasoline, diesel and distillate fuel oil for ships

Environment-friendly low-carbon novel marine fuel oil with high heat value