34results about How to "Optimize investment" patented technology

The invention relates to a configuration method of a distribution automation terminal. The method includes: firstly, an optimization objective function is established, positions of to-be-installed switches are encoded, the optimization objective function is regarded as a fitness function, an initial population including a plurality of individuals is randomly generated, the fitness function of each individual is calculated, the fitness of the individual is obtained, and the individual with the lowest fitness in the initial population is finally found as the optimal individual; the next generation of population is obtained via selection, crossover, and mutation operation of the initial population, the fitness function of each individual is calculated, and the individual with the lowest fitness in the population is obtained as the optimal individual of the population; and if the mutual differences between the fitnesses of the optimal individuals of 10 continuous generations of populations are all less than a preset threshold, automation terminal configuration of the intelligent power distribution network is accomplished. According to the method, the economy and reliability of the configuration of switches and the distribution automation terminal of the intelligent power distribution network can be optimal.

The invention discloses a heterogeneous network-based remote monitoring system for a wind and light supplementary power station. The system comprises a field monitoring network unit, a heterogeneous network communication conversion interface unit, a wireless communication network unit, a wireless gateway unit and a remote access and control unit; and the five units are sequentially connected. The system consists of a wired monitoring network and a wireless monitoring network together, field real-time monitoring requirements of the wind and light supplementary power station and power supply equipment thereof can be met, and the monitoring data of each power station can be conveniently transceived, gathered and remotely transmitted; and the system has the advantages of high instantaneity, strong reliability, low construction and operational costs, wide monitoring range and strong expandability.

The invention discloses a manufacturing method of glucose, comprising the following steps of: (1) liquefying starch: by taking starch as the raw material, liquefying under the action of a liquefying enzyme after size mixing, and then, a glucose saccharified liquid under the action of a saccharifying enzyme; (2) filtering and decontaminating the saccharified liquid by a membrane filtering unit to obtain filtrate, wherein a filtering membrane has the aperture of 1-200nm or the molecular weight cut-off of 10-500kd; (3) carrying out continuous ion exchange on the filtrate by using a moving bed, removing salts to obtain a purified liquid; and (4) filtering the purified liquid by using a nanofiltering membrane to obtain pharmaceutical-grade glucose, wherein a concentrated solution is used for producing daily chemical alcohol or polysaccharose products. Continuous production is adopted in the manufacturing method, and therefore, the production efficiency is high.

The invention discloses a method and system of closed loop assessment for pipe body defects of a long-distance oil and gas pipeline, and relates to the technical field of pipeline systems. The assessment method comprises the following steps: 1) beginning; 2) recognizing and assessing the pipe body defects; 3) examining and verifying; 4) if the examination and verification are not pass, returning to recognize and assess the pipe body defects, and if the examination and verification pass, moving to a database firstly and then conducting defect repairing; 5) examining and verifying; 6) if the examination and verification are not pass, returning to defect repairing, and if the examination and verification pass, moving to the database firstly and conducting item-removing assessment; 7) finishing. According to the invention, a closed loop monitoring of defect recognizing and assessing, defect repairing and defect item-removing assessment for a pipe body can be achieved, the operation process of the defect closed loop assessment is simplified, related service information is integrated, accurate and reliable data support is provided for service management and decision, and defect item removing effect is effectively assessed.

The invention discloses a transmission front shell and back shell mixed-flow production line. An annular conveying roller way is arranged in the center of the production line; a reciprocating motion car for carrying transmission front shells and back shells to be machined is arranged on the conveying roller way; and the production line is provided with a set of vertical milling machines, a numerical control vertical lathe, two sets of vertical machining centers, a set of horizontal machining centers and a pneumatic marking machine in sequence in the conveying direction of the conveying roller way. The invention further provides a production method using the transmission front shell and back shell mixed-flow production line. The transmission front shell and back shell mixed-flow production line and the production method can realize mixed-flow production of the transmission front shells and back shells on the same one production line, can realize production of the front shells and the back shells as needed at different time frames and different classes, needs no replacements of tools and cutters for remodeling, is free of remodeling time, is more optimal in equipment investment, and is lower in cost.

The invention relates to the technical field of electric power system planning, in particular to a power grid investment optimization method based on simulation investment benefit analysis and learning automatons. The method comprises the following steps that first, a grey prediction model is used for conducting data prediction on power grid development data; second, related indexes in an investment benefit index system are calculated according to prediction schemes of various obtained investment data through data prediction for the coming year, and then the simulation investment benefit analysis is carried out to obtain simulation investment comprehensive score results; third, the score results obtained through different schemes are optimized based on a multi-scheme optimization strategy of a learning automaton method, and finally the optimal investment scheme is obtained. The power grid investment optimization method based on the simulation investment benefit analysis and the learning automatons is beneficial to optimizing power grid investment and good in using effect.

The invention provides a sidetrack well optional drilling-grinding-free well completion device and method. The sidetrack well optional drilling-grinding-free well completion device comprises positioning centralizers and removable drilling-grinding-free windowing devices; the positioning centralizers are located in a shaft, the exact position of a sidetrack well section is positioned, and the shaftand a sleeve are centralized; the removable drilling-grinding-free windowing devices are located in the position, at a oil reservoir part needing windowing and sidetrack drilling, of the sleeve, whena windowing sidetrack well section needing to be branched is drilled, the removable drilling-grinding-free windowing devices are remotely controlled to be started, a sleeve section needing to be subjected to sidetrack drilling and windowing is directly opened, and the position, at the windowing part, of the sleeve does not need to be drilled and ground. According to the sidetrack well optional drilling-grinding-free well completion device and method, the sidetrack well drilling cost is greatly reduced, the well drilling efficiency is improved, the actual well drilling cycle of a sidetrack well and a sidetrack horizontal well is shortened, the investment efficiency and return rate are improved, the labor intensity of operators is relieved, the operation time is shortened, and the operationcost is reduced.

The invention provides a pipe net of a sloping field spray-irrigation system project and a pipeline design improving method. The invention analyzes the pressure characteristics of the sloping field spray-irrigation pipe net aiming at the remarkable terrain characteristics of high terrain and low water source of a sloping field irrigation region and provides a distribution method of a pipeline of the sloping field spray-irrigation system project and a design method of the sloping field spray-irrigation system project. A machine-pressing spray-irrigation tree-shaped pipe net optimizing model isestablished, investment of the pipe network and minimum operation management cost are taken as targets, the length of a standard pipe size and the pump head are taken as decision variables, and integer coding is adopted. Based on an empirical design, a distribution manner of the pipe net is known, the pipe net model is optimized and calculated by virtue of an evolutionary algorithm, and pipe diameters of partial pipe sections are optimized, so that the investment of the pipe network is saved, the utilization efficiency of the pipe net is improved, and the spray-irrigation quality of the sloping field spray-irrigation system project is improved.

A business execution system and a method thereof. The business execution system includes: an operating computer; and a user program that is communicatively connected to the operating computer and is output or executed on at least one user terminal for engaging in business execution, wherein the operating computer provides at least one necessary viewing opinion per business item generated on the basis of expert opinion data through a collective intelligence convergence system, converges at least one participant's opinion on the required reading opinion to verify business items and business execution, and prevents abuse from experts by expert check.

The invention provides an intelligent commerce and trade financial management system, and relates to the field of modern office automation. An intelligent commerce and trade financial management system comprises five big modules: a business management module, a financial management module, a manager query module, a report management module and a system management module. The system is characterized in that integrated financial management is constructed; intelligent generation of accounting information is realized; and a management mode of finance and tax management integration, sales performance subdivision and enterprise risk assessment normalization is realized. The intelligent commerce and trade financial management system is researched and developed according to the characteristics of the commerce and trade industry and industry accounting management requirements, the system achieves the original intention of design through many years of tests and practices, and the system is an ideal management tool with innovative significance in the commerce and trade industry.

The invention discloses a method and system for improving the heat exchange capacity of a direct air cooling system. High-temperature adjusting steam is introduced to be used as work fluid of a spraypump and sprayed out by a spray nozzle, and vacuum is formed in a mixing chamber of the spray pump; steam to be condensed is sucked into the mixing chamber of the spray pump through a steam conveyingpipeline, the temperature of the high-temperature adjusting steam is higher than that of the steam to be condensed, the high-temperature adjusting steam and the steam to be condensed are mixed to formmixed steam, the mixed steam enters a finned tube radiator through a diffusion chamber and the steam conveying pipeline, the mixed steam and cooling air conduct surface type heat exchange, and then the mixed steam is condensed into condensate; the temperature of the mixed steam is higher than that of the steam to be condensed, by the adoption of the method, the temperature difference between thesteam in finned tubes of the direct air cooling system and external cooling air is increased, and the heat exchange capacity of the direct air cooling system is improved.

The invention provides a refining equipment material selection system and method and electronic equipment, and belongs to the field of data processing technology.The refining equipment material selection system comprises a material resource platform, a comprehensive material selection module, a condition obtaining module and a sorting output module, and the material resource platform stores material use information of various materials; according to damage factor information, corrosion rate information and commodity information in various environments, a condition acquisition module acquires basic performance, service environment, grade threshold and corrosion information of required material selection, and a comprehensive material selection module selects material information meeting the basic performance based on a material resource platform. In the service environment, the damage factor information meets the grade threshold value, the corrosion rate information meets the corrosion information, and the multiple pre-selected materials have commodity information, the sorting output module comprehensively sorts the multiple pre-selected materials to obtain and output a material selection result table, material selection is automatically completed, and the material selection efficiency is greatly improved.

The embodiment of the invention discloses an optimization method and device for an oilfield development project portfolio and electronic equipment. The optimization method for the oilfield development project investment portfolio comprises the following steps: screening development projects meeting set conditions from a plurality of oilfield development projects; sorting the development projects meeting the set conditions according to the project net present values; respectively calculating the investment elasticity of the net present value of each development project in the development projects meeting the set conditions; sequentially comparing the investment elasticity of the development projects with a set threshold value according to a sorting result, and selecting the development projects corresponding to the investment elasticity greater than the set threshold value for combined development. The purpose of giving consideration to the overall benefits and resource utilization rates of the single project and the project combination is achieved.

The invention discloses a production method of a horizontal centrifugal rotary continuous casting metal billet and a hollow continuous casting billet. A crystallizer adapter is adopted to replace a horizontal continuous casting separation ring and is tightly connected with a crystallizer, and a horizontal continuous casting technology is adopted to be matched with a subsequent rotary throwing machine; the whole casting billet is compact in structure without defects and low in component segregation in the crystallization process through the centrifugal force generated by rotation of the casting billet, so that a continuous casting metal billet with the quality higher than that of an arc-shaped continuous casting machine is produced, and continuous production of the hollow annular casting billet is finally realized through structural change of the crystallizer adapter on the basis of realizing solid continuous casting; and water-free cooling is adopted, low-temperature gas is adopted for replacing original water spraying cooling, heat energy replacement and recovery are carried out, the annular hollow casting billet thoroughly eliminates the punching procedure of seamless pipe production, the production cost is greatly reduced, an arc-shaped section is omitted, straightening cracks of the casting billet are thoroughly eradicated, and the pulling speed and the production efficiency are greatly improved.

The invention relates to a method for improving a closed vestibule of a belt conveyor, and belongs to the technical field of bulk material conveying. The method comprises the steps that a conveyor is hung on the top of a vestibule main frame through a rack; an upper belt face sealing cover covers the upper portion of an upper carrier roller combination of the conveyor, meanwhile, lower belt face sealing plates are arranged on the two sides of a lower carrier roller combination of the conveyor, a carrier roller mounting frame in the conveyor serves as an mounting foundation of the upper belt face sealing cover and the lower belt face sealing plates, and thus the upper belt surface sealing cover and the lower belt surface sealing plates are matched to form a closed cover so as to separate a maintenance channel outside; and a scattered material collecting support plate and an automatic material scraping and cleaning device are correspondingly arranged below a return belt surface of the conveyor, and the width of the scattered material collecting support plate needs to completely cover the width of the belt face of the conveyor. According to the method, the working conditions of big dust and poor working environment in a personnel maintenance channel in a conventional closed vestibule are improved, and the problems that the working space below the return belt face is limited and cleaning is inconvenient are solved.