37 results about "Industrial reactor" patented technology

The invention discloses a method for preparing a liquid fuel from biomass through a hydrogen-donor solvent. The method is as follows: under mild conditions, a proper catalyst and a hydrogen-donor solvent are used to directly perform liquefaction treatment on a biomass raw material without using hydrogen gas to produce high-quality fuel oil which can replace petroleum products. The method adopts the proper chemical reaction environment and solves the problems of the existing method that biomass can not be used to prepare oil in the physical environment of a large-scale industrial reactor through rapid pyrolysis; and by adopting the method provided by the invention, the reaction in the industrial equipment or experimental equipment has good repeatability, the technology is simple, the equipment configuration is less, the demand on pressure is lower than that of the high-pressure liquefaction technology, and hydrogen gas is not used for reaction. Thus, the method has wide application prospect in the development and utilization of biomass energy.

The establishing method of dynamic model of liquid phase catalytic paraxylene oxidizing reaction comprises utilizing the reaction temperature x1 and mixed material composition including solvent ratiox2, Co catalyst concentration x3, Mr catalyst concentration x4, and Br promoter concentration x5 and the rate constant nerve net model to find out the rate constants ki, where i=1,2,3 and 4, of the steps in reaction network of industrial liquid phase catalytic paraxylene oxidizing reaction, and to find out the contents of PX, TALD, PT acid, 4-CBA, TA and other intermediate products and estimate products. The rate constant model can describe the effects of different factors on the reaction in the industrial reactor.

The invention relates to modeling and optimization methods for the wax-oil hydrogen cracking process. The modeling method includes the steps that according to an industrial hydrogen cracking device, design parameters and operating data which are required by modeling are determined, and a hydrogen cracking lumped partition method is determined, wherein the design parameters comprise lengths and diameters of all beds, and the operating data comprises the feeding flow, inlet-and-outlet temperatures of all the beds, the relative density and distillation range data of feeding and a product and theproduct yield; a hydrogen cracking reaction network, a reaction kinetic equation, a material balance equation and an energy balance equation are determined; a hydrogen cracking mechanism model is solved; based on actual industrial operating data, the hydrogen cracking lumped kinetic parameters are corrected. The modeling and optimization methods for the wax-oil hydrogen cracking process are wide in adaptation and can be used for simulating and optimizing hydrogen cracking industrial reactors with different reaction-bed number times and different product yield requirements.

A method, a laboratory device and the use of both are provided for simulating the dynamic temperature behavior of at least one part of a process plant, particularly an industrial reactor. The method provides a temperature profile and/or temperature setpoints at given time intervals for controlling the laboratory device. The temperature profile and/or temperature setpoints are derived from a mathematical model that describes the dynamic temperature behavior of at least one part of the process plant. The temperature profile and/or the temperature setpoints are used by a program for controlling the laboratory device.

Method for modeling the flocculation conditions of hydrocarbon-containing fluids under pressure, related to a reference fluid. The asphaltenic properties are modeled from the results of an experimental study of a single asphaltenic reference fluid and by means of homothetic transformation laws. These reduced data allow to deal with asphaltenes flocculation in an industrial simulator working according to a simplified model. It is then possible to predict the amounts of asphaltenes that will flocculate in a reservoir or in a reactor during development, considering the variable pressure and composition conditions. Application: optimization of the development conditions of reservoirs or of an industrial reactor in which asphaltenic fluids undergo expansions.

A gas-liquid-solid three-phase slurry bed industrial reactor capable of achieving continuous operation comprises an inlet gas distribution component composed of a false bottom and inlet gas distribution tubes, one or more layers of heat exchange tube components used for heating/cooling the bed, one or more layers of liquid-solid separator components capable of being cleaned automatically, an outlet gas-liquid-solid entrainment separation component located in the upper portion of the interior of the reactor and used for removing liquid foam and solid entrainments, a plurality of layers of solid concentration uniform distribution devices used for reducing the catalyst concentration gradient and the inlet-outlet temperature difference of the reactor, a flow guiding device located on a component support beam and used for preventing catalyst accumulation, and auxiliary systems including a filter-backflush system and a washing system. Compared with the prior art, the reactor is low in energy consumption and solves the problems of blockage, backflow and dead zones, the temperature and liquid level are well controlled, catalysts can be easily added and discharged online, and stable and continuous operation of the reactor is achieved. The reactor is suitable for being applied to the Fischer-Tropsch synthesis process on an industrial scale.

The invention discloses a method for preparing phosphoric acid by adding reaction promoters; salt or nitrogen-containing organic compound reaction promoters are added in rock phosphate powder, silica powder, carbonaceous reducing agents (silica process), or in rock phosphate powder, limestone powder and carbonaceous reducing agents (calcium process) and are molded by mixing; the mixture is sent into a kiln and is heated up to reaction temperature by pre-heating and heating-up; the produced phosphorus steam is made into high-concentration phosphoric acid after air oxidation and hydration adsorption. By adopting the method, P2O5 content is high, the reaction temperature is reduced by 100 DEG C, the reaction time is shortened, and high reduction ratio of phosphorite is kept within a wider temperature range. The method solves the problem of temperature difference in an industrial reactor, and greatly reduces the energy consumption, solves the softening and melting problem of molding material and lays a foundation for the large-scale industrial production. In addition, the production efficiency is high, the energy consumption is low and the equipment investment is low.

The invention provides a method for molding a catalyst applied to catalytic wet oxidation, belonging to the technical field of wastewater treatment. The method is applied to a powder catalyst which can be applied to various industrial reactors only after molding. The method is characterized in that the powder catalyst is a transition metal powder catalyst; and in the process of molding, auxiliary binders, a squeezing agent and a pore structure modifier are added at first, then a binder is dropwise added while mixing and kneading, and then extrusion molding, drying and roasting are performed. According to the invention, a silica sol is added as the binder and nanometer ZrO2 and nanometer TiO2 are added as the auxiliary binders, so the hydrothermal stability of the catalyst can be effectively improved while the requirement on mechanical strength during industrial application of the catalyst is met; and the catalyst has almost the same activity before and after molding, and produces good COD removal effect on wastewater.

The invention relates to a chilling type single waste pan reactor. The reactor consists of an upper gasification reaction chamber, a middle radiation heat exchange chamber and a lower chilling slag chamber, wherein the gasification reaction chamber is communicated with the radiation heat exchange chamber by virtue of a conical slag opening and a conical gas guide inlet; and the radiation heat exchange chamber is communicated with the chilling slag chamber by virtue of a funnel-shaped slag trap. At present, a chilling type reactor in the conventional industrial reactor is low in energy utilization efficiency, the efficiency needs to be improved, and the all waste pan reactor is complex in structure, high in investment cost, low in operating stability, low in raw gas vaporization ratio and large in ash content and is unsuitable to serve as chemical synthesis gas. Moreover, the chilling type single waste pan reactor disclosed by the invention simultaneously has the advantages of a waste pan reactor and a chilling reactor, the energy utilization efficiency of the reactor is improved by 4-5 percent compared with the chilling reactor, the ash content is reduced by 2mg/L compared with the all waste pan reactor, and the vaporization ratio is improved to 0.8 to 1.0. The reactor disclosed by the invention is suitable for IGCC power generation and combined generation chemical synthesis.

The present invention relates to a process for the preparation of zeolitic catalysts comprising zeolite and oligomeric silica, which can be used in industrial reactors. The process consists in directly mixing the suspension, resulting from the synthesis of the zeolite, with an oligomeric silica sol, obtained from the hydrolysis of a tetra-alkyl ortho silicate in the presence of tetraalkylammonium hydroxide, and in subjecting the mixture to rapid drying, by feeding to a spray-dry.

The invention discloses a reactor for synthesis of alkylate oil. The reactor comprises a reactor cylinder 1, which consists of a straight tube section 2, a wide diameter section 21 and a transition section 5 between the straight tube section and the wide diameter section. An inner tube lower tube plate 14 and an outer tube lower tube plate 12 are disposed at the lower part of the straight tube section, and an upper tube plate 4 is arranged at the joint of the straight tube section and the transition section. The upper end and lower end of an outer tube 9 are respectively connected to an upper tube plate and the outer tube lower tube plate, the middle-upper part of an inner tube 10 is disposed in the outer tube, the upper end of the inner tube is a blind end, the lower end of the inner tube is connected to the inner tube lower tube plate, and the inner tube is provided with holes. Compared with existing industrial reactors, the reactor provided by the invention has good acid hydrocarbon contact effect, accelerates the reaction rate, reduces the reactor size, at the same time lowers alkyl-olefin ratio, and can strictly control the reaction temperature and reduce reaction by-product, thereby increasing the yield and quality of alkylate synthetic oil, and reducing the energy consumption needed by isobutene circulation.

A method of automated control of an industrial reactor-based production process comprises the steps of: a) collecting data associated with performance of a production process of a reactor; b) defining a set of monitored parameters and a set of controlled parameters in the production process; c) defining a model comprising a set of equations mimicking a dynamic behavior of the process of a reactor, wherein in the model, changes in the monitored parameters are linked to changes in the controlled parameters; and d) creating a trained agent obtained by iterative machine learning training code and using the model, wherein the trained agent capable of making decisions regarding controlled parameters to be applied to the reactor based on monitored parameters of the production process.

An apparatus and method for isolating bacterial particles in a sample using a container with material in temporary fluid blocking position to lower orifice in the container, a separation medium having an electrical conductivity lower than and physical density greater than that of the sample above the material that supports a sample concentrate after passing through the separation medium when exposed to centrifugal force, a heating element for liquefying the material to permit flow into a chamber past an electrode array that attracts and holds subject particles. The system allows rapid detection and isolation of particles from samples from animal, human, environmental sites, a bio-industrial reactor or a food or beverage production facility requiring relatively small volumes, short incubation times resulting in structurally intact particles for further analysis. Testing may be completed in a single unit that requires decreased technician manipulation, fewer steps and a decrease in cross-contamination.

The invention discloses a reactor for synthesis of alkylate oil. The reactor is composed of a straight tube section, a wide radius section and a transition section between the straight tube section and the wide radius section. An inner pipe lower pipe plate is disposed at the lower part of the straight tube section, an outer pipe lower pipe plate is arranged above the inner pipe lower pipe plate, and an upper pipe plate is arranged at the joint of the straight tube section and the transition section. The upper end and lower end of a downcomer are respectively connected to the upper pipe plate and the outer pipe lower pipe plate, the outer pipe upper end and lower end are respectively connected to the upper pipe plate and the outer pipe lower pipe plate, the inner pipe is disposed inside the outer pipe, the upper end of the inner pipe is a blind end, the lower end of the inner pipe is connected to the inner pipe lower pipe plate, and the inner pipe is provided with holes. Compared with existing industrial reactors, the reactor provided by the invention has better acid hydrocarbon contact effect, accelerates the reaction rate, reduces the reactor size, at the same time lowers alkyl-olefin ratio, and can strictly control the reaction temperature and reduce reaction by-product, thereby increasing the yield and quality of alkylate synthetic oil, and reducing the energy consumption needed by isobutane circulation.

The invention discloses a method, a device, equipment and a medium for reducing the uncertainty of nuclear data correlation calculation. The method comprises the following steps: carrying out nuclear data correlation sensitivity analysis on a target industrial reactor core and a plurality of critical physical experiments, and obtaining sensitivity coefficients of physical response parameters of all reactor cores to all nuclear data; forming a sensitivity vector of the physical response parameter of the target industrial reactor core to the nuclear data and a sensitivity vector of each critical physical experiment; constructing a relative covariance matrix according to all the nuclear data, and combining the sensitivity vector to obtain the nuclear data related uncertainty of the target industrial reactor core and the critical physical experiment; calculating a similarity coefficient between the target industrial reactor core and the critical physical experiment and a correlation factor between the experiments; and according to the similarity coefficient and the correlation factor, calculating the nuclear data correlation posteriori of the target reactor core and the nuclear data correlation uncertainty of the posteriori. According to the method, critical physical experiment data can be fully utilized, and a nuclear data adjustment process is avoided.