256 results about "Petroleum processing" patented technology

The invention relates to the research field that a demander response participates in large-scale grid-connected wind power consumption, in particular to a large-scale grid-connected wind power consumption based on the demander response. The method comprises the steps of establishing high-energy-consumption enterprises of mining, metal smelting, petroleum processing, heating and the like nearby areas with rich wind power, utilizing adjustable and interruptible high-energy-consumption loads for participating in wind power pitch peaks, locally absorbing wind power resources, and avoiding large-scale and remote wind power transmission. Therefore, power grid losses are reduced, the power utilization cost of high-energy-consumption users is saved, output consumption of a wind power plant is increased, and occurrences of the wind abandoning phenomenon are reduced. The method can objectively and comprehensively reflect the output characteristics of large-scale power wind and the user power utilization load characteristics, the sizes of the adjustable and interruptible high-energy-consumption loads are accurately calculated, then the capacity of the newly-increased wind power consumption scale is determined, and the current large-scale wind power grid-connected consumption problem and the wind abandoning problem are solved.

The present invention relates to a petroleum processing method and equipment, especially to an oil-bearing sludge separating method and equipment, provides a simple, economical, practical, environment-protecting and pollution-free oil-bearing sludge processing method and equipment, and the method comprises the following procedures: heating the water vapor to the superheated steam with temperature above 500 DEG C with a superheated steam boiler; injecting the superheated steam to the oil-bearing sludge with a speed of 2 mach, the oil-bearing sludge is crushed to small particles after instant colliding; separating the water component and the oil component which are evaporated and sublimed instantly with a cyclone separator; dropping the temperature and fluidifying through water spraying; and extracting the oil product up to standard by the separating of the oil-water separating pot, above 95% oil component in the oil-bearing sludge can be recovered and the oil content of the residue is lower than 5%, the petroleum processing method has the advantages of guaranteeing the quality of the recovered oil product, simple operation and maintenance, broad application that can be applied to varies types of oil-bearing sludge and oil-bearing sand, excellent economic benefit and low cost, the equipment is used for processing the oil-bearing sludge that is generated in the crude oil exploration and exploitation, crude oil transportation and the petroleum refinery wastewater treatment.

An oxidation sweetening method for fuel oil selecting modified titanium-silicon molecular screen as accelerating agent belongs to technical sphere of petroleum process. The invention provides an accelerating agent of modified titanium-silicon molecular screen which can be used in oxidation sweetening of fuel oil. The charge number of earth silicon in this invention adopting immersion method is 1.0wt%-3.0wt%. The obtained modified titanium-silicon molecular screen is used for catalytic and oxidation desulfurization of fuel oil. The significance effect of this invention is that it improves the repetitive use of accelerating agent in oxidation sweetening reaction. The method includes selecting modified titanium-silicon molecular screen as accelerating agent and removing sulfidization of fuel oil by hydrocarbonylation, which can reduce the sulfur content of fuel oil to 29.7 mu/g from 226.1 mu/g and reach deep desulfuration, and the accelerating agent can be recovered and the catalytic oxidation susceptibility of the recovered accelerating agent is good. The invention is of mild reaction condition, simple equipment and no consumption of hydrogen gas.

The invention relates to a process method for preparing marine fuel oil on the basis of catalytic cracking oil slurry desolidification-hydrogenation and belongs to the technical field of petroleum processing. According to the method, a solvent which is mutually soluble with oil slurry is used as a desolidification adjuvant of the catalytic cracking oil slurry to realize low-temperature desolidification, and the oil slurry which is subjected to desolidification and hydrogenation control is used as a fuel oil component to be compounded with a conventional marine fuel component. The process method for preparing the marine fuel oil on the basis of the catalytic cracking oil slurry desolidification-hydrogenation comprises the steps of oil slurry desolidification, hydrogenation and oil preparation, wherein under the condition of 40-60 DEG C, the catalytic cracking oil slurry is mixed with a diluent, separated, subjected to slag removal and then distilled to obtain desolidified oil slurry; under the action of a catalyst adopting nickel oxide and molybdenum oxide as active components and alumina as a carrier, the desolidified oil slurry is catalytically hydrogenated under the conditions that the space velocity is 0.25-0.5 h<-1>, the temperature is 350-370 DEG C, the pressure reaches 6-10 Mpa, and a hydrogen-oil volume ratio reaches (600-650):1. The method has the advantages that fewerimpurities and charcoal residues are generated, the equipment investment and the process cost are low, and the marine fuel cost is significantly reduced while the combustion performance of oil products is maintained; therefore, the process method is particularly suitable for manufacturing and processing high-performance fuel oil.

The invention discloses a nonlinear optimization method for high-performance petroleum blending. The rule combining linear blending and nonlinear blending is adopted to improve the petroleum product blending precision of a petroleum processing enterprise. The nonlinear optimization method supports the comprehensive index combining minimum difference between the blended petroleum nature content and the target and optimal economy, supports the four optimization modes that the petroleum nature content is valued within a range, the petroleum nature content is optimized towards the lower limit, the petroleum nature content is optimized to the upper limit and the petroleum nature content is optimized within the range, and improves the production flexibility. A system automatically generates a petroleum blending formula and issues the petroleum blending formula to a control system to be executed. The nonlinear optimization method can provide petroleum blending formulas meeting the national standard requirements for petroleum blending of refining factories, avoid mass surplus and increase the production efficiency and economical benefits and is particularly suitable for being used for petroleum processing of petroleum refining enterprises.

The invention relates to a sulfur-resistant precious metal hydrodesulfurization catalyst, which belongs to the technical field of petroleum processing and relates to a solid catalyst used in the hydrodesulfurization process of petroleum distillate oil. The feature of the present invention is that the porous silicon-based material modified by silanization is used as a carrier, loaded with noble metal salt or noble metal organic complex, dried and calcined at 350-500°C to obtain the catalyst oxidation state precursor, and then In a hydrogen atmosphere, the temperature is raised to 200-400° C. at a rate of 1-10° C./min, and the reduction is carried out at this temperature for 0-5 hours to prepare a supported noble metal hydrodesulfurization catalyst. The effects and benefits of the present invention are that the prepared noble metal catalyst has high catalytic activity to aromatic heterocyclic sulfur-containing compounds in petroleum fractions under typical industrial application conditions, and has good sulfur resistance stability and low Cracking activity, can be used for clean fuel oil production.

The invention relates to a method for co-producing various chemical products by taking coal, petroleum, natural gas and salt as raw materials. The method includes the steps of petroleum processing, slurry gasification, natural gas conversion, chemical product synthesis and salt electrolysis conversion. By reasonably using the coal, the petroleum, the natural gas and the salt resources, the energyand chemical overall goals of saving non-renewable resources and relieving environmental pollution can be achieved, and construction basis, solution and technical support are provided for Chinese large and super-huge energy industry base construction.

A composite zeolite molecular sieve preparing method containing Y and Beta zeolite structures belongs to the inorganic synthetic cellular material field. The invention is characterized by firstly configuring Y type guide agent by sodium aluminate, silicasol and sodium hydroxide; then synthesizing the stabilized colloidal sols containing Y type zeolite structure unit by the guide agent; adding appropriate silicon source and formwork agent in the colloidal sols; after crystallizing 2-12 days under 120 DEG C to 150 DEG C, then filtering, washing, drying and calcining to obtaine the composite zeolite molecular sieve preparing method containing Y and Beta zeolite structures. The molecular sieve not only has the structure and performance of Y type and Beta type zeolite molecular sieve, but also implements the reasonable collocation and the acid gradient allocation of two kinds of molecular sieve pore passage structures, thereby being contribute to implement the cooperating actions between Y type and Beta type zeolite molecular sieves, and the invention has potential application prospects on the fields of fine chemical industry and petroleum processing.

The invention discloses a method for preparing an alumina supporter with high specific surface area. The method comprises the following steps of (1) weighing a certain amount of pseudoboehmite dry glue power, a certain amount of physical pore-enlarging agent and a certain amount of extrusion assistant agent to be evenly mixed and then adding an aqueous solution containing a chemical pore-enlarging agent; (2) evenly mixing materials obtained in the step (1) and extruding a mixture into strips; and (3) drying the material obtained the step (2), and calcinating a dried material in the nitrogen atmosphere to calcinate and prepare the alumina supporter in the air atmosphere. The alumina supporter prepared by means of the preparation method is large in pore volume and specific surface area, concentrated in pore distribution and moderate in mechanical strength, can be suitable for the fields of petroleum processing, chemical engineering, environmental protection and the like, and is especially suitable for preparation of heavy oil hydrotreating catalysts and residual oil hydrotreating catalysts.

The invention discloses an evaluation device and an evaluation method for scale formation trend and scale inhibition effect. The principle is as follows: a sample is enabled to flow through a capillary with a constant pressure difference, and the scale formation trend of the sample is represented by the blockage condition of the capillary reflected by monitoring the attenuation of the flow rate of the sample in the capillary; and the scale inhibition performance of a physical measure and medicament is represented by a ratio of the accumulated outflow of a chemical or physical modified sample and the accumulated outflow of a bland sample under the same instantaneous outflow rate attenuating range. The evaluation device and the evaluation method for scale formation trend and scale inhibition effect are suitable for scale formation forecast of various liquid mediums in water treatment, petroleum exploitation, seawater desalination, petroleum processing and chemical production as well as scale inhibition performance evaluation and selection of various physical and chemical scale inhibition measures.

The invention provides a method and a device for realizing catalytic cracking of heavy oil by a double-area coupling and catalyst tandem process, and belongs to the technical field of petroleum processing. According to difference of reaction characteristics of heavy oil catalytic cracking materials, the heavy oil catalytic cracking materials are divided into quality catalytic materials and inferior catalytic materials according to carbon residue values; and the quality catalytic materials and the inferior catalytic materials respectively enter different reaction areas in a catalytic cracking reaction system for catalytic cracking reaction. For the quality catalytic materials, a conventional riser reactor is utilized; for the inferior catalytic materials, a turbulent bed or fast bed and transport bed combined reactor is utilized, and the catalyst tandem process is adopted, so that the two parts of materials adopt respectively optimized reaction conditions in respective independent reaction areas provided by different-structure reactors; and the catalyst and oil contact temperature difference is reduced and a large catalyst-oil ratio is achieved by arranging a catalyst cooler, the problem that the catalyst in a reaction area for the inferior materials is severe in coking, quick in deactivation and low in later activity is improved and the light oil yield and the integral liquid yield are obviously improved.

The invention belongs to the field of petroleum processing, and particularly relates to a catalytic cracking transparent fractionating tower simulation calculation system based on process simulation software. The catalytic cracking transparent fractionating tower simulation calculation system based on process simulation software comprises a real-time database module, a fractionating tower calculation module, a hydraulics calculation module, a Web user interface and a real-time information release module based on Flash, and is characterized in that a process model is built for the production process of a catalytic cracking transparent fractionating tower system through the process simulation software AspenPlus, so as to carry out simulation calculation. Compared with the prior art, the calculation system is based on a process simulation technology, and the catalytic cracking transparent fractionating tower simulation calculation system based on the process simulation software AspenPlus is established; an independent calculation module solving non-linear model is adopted; and real-time analog simulation is realized. According to a calculation result, real-time operation optimization opinions on a fractionating tower are presented.

The invention discloses a method for measuring a catalyst abrasion resisting capability. The method is aimed to solve the problems that repeatability of measurement results is not good, number of catalyst samples abrased for each time is low, structures of measurement devices and measurement operations are complex and the like in the prior art. A catalyst abrasion device used in the method is equipped with a motor, connection rods (4) and more than three abrasion pipes (3). One end of each connection rod is fixed on the output shaft of the motor, and the other end of the connection rod is connected with one end of one abrasion pipe in a detachable manner. Through rotation of the abrasion pipes, a catalyst sample loaded into the cavity of each abrasion pipe is abrased, then the abrasion pipe is dismounted, and the abrased catalyst sample is poured out. Size distribution of the catalyst sample before and after abrasion is measured through a granularity analyzer. The abrasion resisting capability of the catalyst is determined according to the difference between volume percentages of fine catalyst particles in the catalyst sample before and after abrasion. The method is mainly used for measuring the abrasion resisting capability of petroleum processing fluidization catalytic cracking catalysts.

The invention discloses a preparation method for a supported Mo-based oxidation desulfurization catalyst, and belongs to the technical fields of coal processing, petroleum processing and petrochemical processing, and relates to a preparation method for a solid catalyst for oxidative removal of distillate oil and sulphide-containing thiophene aromatic heterocyclic compounds in the chemical materials. The method is characterized by: loading an organic acid on a porous carrier-supported Mo-based oxide catalyst, then drying at a temperature of 70-120 DEG C; heating to the temperature of 100-180 DEG C in the protection of inert gas, and holding for 1-5 hours, wherein the heating rate is 1-10 DEG C per minute; then heating to the temperature of 200-260 DEG C and holding for 1-5 hours, wherein the heating rate is 1-10 DEG C per minute; then heating to the temperature of 300-340 DEG C and holding for 1-5 hours, wherein the heating rate is 1-10 DEG C per minute to prepare the catalyst. The mixture comprising Mo<6+> and low valence state Mo<5+> is loaded on the surface of the catalyst. With the present invention, the oxidation activity and the desulfurization activity of the supported Mo-based catalyst provided by the present invention can be significantly improved, and a wide application prospect in the field of deep desulfurization is provided.