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511results about How to "Guarantee smooth implementation" patented technology

Method for forecasting optical output power and electric energy production of photovoltaic power station

The invention relates to a method for forecasting optical output power and electric energy production of a photovoltaic power station, belonging to the technical field of power generation and distribution. The method is characterized by comprising the following steps: on-site data acquisition-comparison with historic data-output of the forecasting result. The forecasting accuracy is so accurate that annual average between the forecasting result and actual result is no more than 5%; short-time forecasting, daily forecasting, weekly forecasting, monthly forecasting and annual forecasting can be carried out; as far as power grid dispatching is concerned, starting-up mode and operation mode of the photovoltaic power station and a conventional power station in a certain period can be reasonably arranged according to the forecasting, so that the power grid can operate stably, electric energy production of the photovoltaic power station can be improved, technical evidence and theoretic guidance can be provided for establishment of the large capacity photovoltaic power station, safe and efficient operation of the photovoltaic power station can be ensured and smooth implementation of national new energy strategy can be facilitated.
Owner:青海国泰节能技术研究院 +1

Assembling type reaction frame device for shield launching and propulsion

The invention discloses an assembling type reaction frame device for shield launching and propulsion, and the device is arranged on a bottom plate of a work shaft, wherein the reaction frame device comprises a frame and a plurality of supporting rods; the frame is connected to the bottom plate of the work shaft by a hinge; the first ends of the supporting rods are connected with the frame; the second ends of the supporting rods are connected with the bottom plate of the work shaft; the frame is coaxial to a tunnel portal; the frame further comprises two cross beams and two vertical beams which are mutually connected to form a rectangular frame; the frame also comprises a plurality of reaction ring assembling beams and a plurality of bolt holes; the reaction ring assembling beams are arc-shaped and are respectively connected at the four corners in the rectangular frame; the surfaces of the reaction ring assembling beams and the surface of the rectangular frame form a plane; and the bolt holes are distributed on the surface of the frame and are corresponding to the positions of longitudinal bolt holes of pipe pieces. Since the whole assembling structure can be repeatedly utilized and the position can be freely adjusted, the assembling type reaction frame device is applicable to different types of work shafts.
Owner:SHANGHAI TUNNEL ENGINEERING CO. LTD. +1

Configuration cutting method of braided river tight-sandstone gas reservoir layer

The invention discloses a configuration cutting method of a braided river tight-sandstone gas reservoir layer. The method comprises the steps that a braided-river geologic knowledge library is established; a configuration unit corresponding to a 5-level interface is determined; the boundary of the interwell configuration unit is determined; a 4-level braided-river configuration unit is determined; a well-logging curve cycle method, an identification method of developing positions of a sedimentation layer and a vertical micro-phase change method of a channel bar and a waterway are adopted to determine the position of the channel bar on the panel; well-logging curves are adopted to determine the boundary of a 3-level configuration unit in the channel bar; in the boundary of the 3-level configuration unit, the shape and scale of bryocyte of the channel bar are identified and described, in combination with the analysis of physical properties and gas-bearing properties, effective single sand bodies are quantitatively described, and therefore, a hierarchical description method is formed to accurately describe the configuration of the braided river gas reservoir layer. Through the adoption of the method, the configuration units of different levels of the high-heterogeneity tight-sandstone gas reservoir layer are described, the size and distribution position of the configuration unit of the channel bar are achieved, and therefore a reasonable well-pattern and well-type design of a gas field and fine geological modeling of the three-dimensional reservoir layer are effectively instructed; the well pattern and the well type are optimized, and the recovery rate of the gas field is increased.
Owner:PETROCHINA CO LTD

Solidification and pore forming method for coal rock stratum containing weak structural bodies

ActiveCN106837237APrevention of dynamic instabilityEfficient curingSealing/packingChemical treatmentStructure of the Earth
The invention relates to a solidification and pore forming method for a coal rock stratum containing weak structural bodies. The solidification and pore forming method comprises the following steps that 1, a plurality of solidification holes are drilled, specifically, the solidification holes are formed according to the range of the weak structural bodies of the coal rock stratum to be solidified; 2, bacterium liquid, stationary liquid and cementing liquid are sequentially injected in the holes in a pressurization mode through grouting pipes, and calcium carbonate is induced to crystallize through a MICP in-situ grouting technology; and 3, after fractures and the weak structures around the solidification holes are solidified through the microorganism slurry, production is organized in solidification positions according to the subsequent process. On the one hand, microorganisms are adsorbed on the surfaces of pores and the fractures around the drilling holes, the calcium carbonate is effectively induced to precipitate, and the inner surface of the coal (rock) stratum is bonded and cemented, and surrounding rock with the soft characteristic is solidified and cemented to form a whole with certain mechanical properties, so that the strength of hole wall surrounding rock is strengthened; and on the other hand, the microorganism slurry is a solution or suspension liquid, the viscosity of the slurry is low, fluidity is good, permeability is strong, compared with a chemical treatment method, the limit grouting pressure is small, the solidification radius is large, and the cementation strength of the drilling hole surrounding rock can be regulated and controlled.
Owner:CHONGQING JIAOTONG UNIVERSITY

Flight time resource configuration and optimization method suitable for airline hubs

A flight time resource configuration and optimization method suitable for airline hubs is disclosed. The flight time resource configuration and optimization method comprises the steps of calculating the quantity of first-type time resources; optimizing the first-type time resources; calculating the quantity of second-type time resources; optimizing the second-type time resources for the first time; performing primary real-time analog simulation and conflict regulation; optimizing the second-type time resources for the second time; and performing secondary real-time analog simulation and conflict regulation, and the like. The flight time resource configuration and optimization method can bring benefits for multiple sides and can realize the maximum of social benefit; for passengers, reasonable flight time can greatly reduce probability of flight delays, so that the passengers can enjoy the more good-quality air transportation service; for airports, the airline hubs can optimize the airport management systems, expand international market shares and improve the competitiveness of the airports; and for airlines, the airlines can establish and construct main center radiation type airline network, ensure the flight service quality and improve the reputation of the airlines consequently.
Owner:CIVIL AVIATION UNIV OF CHINA

Method for monitoring construction of channel bridge demolition

The invention relates to a method for monitoring construction of channel bridge demolition, which carries out process monitoring, control and pre-warning on the construction of channel bridge demolition. The technical scheme for realizing the invention is as follows: the method comprises the following steps: determining a bridge demolishing scheme combining the actual condition of a bridge to be demolished and the requirements of peripheral environment; establishing an structural simulation analytic system; establishing a finite element simulation computation model of bridge-completion state according to bridge-completion structural sequence; carrying out calculation and analysis on structural reverse demolition according to bridge demolishing sequence to obtain actual deformation and stress state at each stage in the structural construction process; establishing a theory pre-warning indicator; establishing a field monitoring system aiming at bridge demolishing process; carrying out acquisition and analysis on the monitoring parameters in the demolishing process of the bridge; feeding back the analyzed result to the structural simulation analysis system; establishing a constructionpre-warning system, carrying out safety and quality judgment in the bridge demolishing process to realize the pre-warning and controlling indication.
Owner:JIANGSU TRANSPORTATION RES INST CO LTD

Tool and method for injecting cement into top of horizontal well screen pipe without drilling and plugging

Provided are a tool and a method for injecting cement into the top of a horizontal well screen pipe without drilling and plugging. The tool for injecting the cement into the top of the horizontal well screen pipe without drilling and plugging is composed of a drilling-free and plugging-free tool, a bumping pressing rubber plug and a fishing tool. During construction, the drilling-free tool is lowered to the well along with a sleeve bunch. A well mouth is pressurized, a packer is sealed through expansion, pressurization is continued, a starting piston is opened, circulation is built, and well cementation is conducted normally. The bumping pressing rubber plug is added for bumping pressing at the later stage of the well cementation, the piston is closed simultaneously, a circulation channel is closed, and the well cementation is finished. After cement curing is finished, fishing is conducted through a small drill pipe connected with a fishing anchor, the small drill pipe and the fishing anchor are lifted after being in place, slips are opened, a fishing drum is blocked, an internal structure of the drilling-free tool is lifted together, and construction is finished. During a working process, a well completion accessory used in the process is not affected by drilling and grinding, service life is greatly prolonged, diameter in a well completion pipe column is large, the inner surface of the well completion pipe column is smooth, and smooth implementation of acid washing and gravel packing is guaranteed. Well completion working time of a single well is reduced by 24 hours on average, and well completion cost is greatly saved.
Owner:CHINA PETROCHEMICAL CORP +1

Enclosure for continuous wall foundation pit formed by steel cylinders or steel plate piles adopting seal grooves and occlusion structures and construction method of enclosure

The invention relates to an enclosure for a continuous wall foundation pit formed by steel cylinders or steel plate piles adopting seal grooves and occlusion structures. The steel cylinders or steel plate piles adopting the seal grooves are connected to form the continuous pile wall so as to form the foundation pit enclosure, according to the steel cylinders or steel plate piles with the seal grooves, at least one seal groove is formed at the connecting positions of steel plates or piles of steel cylinder piles, the cross section of each groove is in a convex arc shape, a concave shape or a polygon shape, a matched pipe is inlaid in each groove, the steel plates or steel cylinder piles and the pipes in the grooves are jointly and independently tampered into the stratum, pipe cavities in the grooves are left or waterproof sealing materials are injected into the pipe cavities to serve as sealing layers at the connecting positions of the steel plates or the piles of the steel cylinder piles; the cross section of the connecting positions of the steel plates or the piles of the steel cylinder piles is in a hook shape or concave-convex matched or third filling block filling connecting shape; and one or more sealing grooves are formed in the pile connecting positions.
Owner:JIANGSU GREEN RIVER ENVIRONMENTAL TECH CO LTD

Forging process for nuclear power rotor and other large shaft parts

ActiveCN102172766AIncrease the number of pulling tripsIncrease the effect of forging through compactionEngine componentsNuclear powerIngot
The invention discloses a forging process for nuclear power rotor and other large shaft parts, which can be used for effectively solving the forging problem of a high-grade rotor with a super large specification. The process specifically comprises the following steps of: (1) drawing out a steel ingot to form a flat square by using a WHF (Wide die Heavy blow Forging) method; (2) performing erecting and upsetting on the flat square; (3) drawing out the upset steel billet to the flat square again by using the WHF method; and (4) compacting the four sides and the center of the flat square, wherein the 'flat square' specifically means a cuboid-shaped steel billet. In accordance with the result of flaw detection (UT(Ultrasonic Test) and MT (Magnetic particle Test)), no flaw (phi is above 0.6), for which recording is required, is found in a 1100MW rotor piece manufactured by using 550t steel billets, and the quality is superior; based on the dimension of a workpiece, all the dimensions of various parts of a forge piece can meet the processing requirement, and the forging allowance is uniform; the control state of forging grain size is deduced from a UT state subsequent to thermal treatment after forging, the desired effect is completely achieved, and no phenomenon of coarse crystal or mixed crystal happens.
Owner:CHINA ERZHONG GRP DEYANG HEAVY IND

Complete controller assembly device for general mild hybrid vehicle and control method

The invention discloses a complete controller assembly device for a general mild hybrid vehicle and a control method, and belongs to the technical field of mild hybrid vehicles. A communication module exchanges data with other control units through a controller area network (CAN) bus, state information of the complete vehicle is acquired through signals processed by connector wire harnesses and acquisition circuits of analog signals, digital signals and pulse signals, the working state of the vehicle and the driving awareness of a driver are judged, and meanwhile, control commands are sent tothe control unit of each executor so as to realize communication and information sharing among the parts of a system and realize cooperative work and control steps among the parts of the vehicle; anda control panel comprises a double-output power supply module, a voltage stabilizing module, a bus communication module with two CAN transceivers and a K wire transceiver, a 7-channel low side driving module, a 6-chanenl analog signal acquisition circuit, a 5-channel digital signal acquisition circuit, a 2-channel pulse signal acquisition circuit, a main control singlechip and peripheral circuitscomprising a reset circuit and a debugging interface and circuit.
Owner:北汽云南瑞丽汽车有限公司

Power transmission line ice coating real-time distribution module calculation method

The invention discloses a power transmission line ice coating real-time distribution module calculation method, which comprises the steps of screening real-time meteorological data; recognizing the real-time meteorological data; building a real-time ice coating model; calculating the real-time ice coating thickness of each station; performing ice coating climate condition zoning; building an ice coating trend calculation model; determining a model recurrence period; correcting the ice coating thickness; building an ice coating real-time distribution model; and deducing a final ice coating real-time ice thickness distribution diagram by zone real-time ice thickness distribution features and ice coating real-time ice thickness. The method solves the technical problems that the power transmission line ice coating trend model in the prior art does not sufficiently consider the real-time weather, so that the model cannot reach the precision required for simulating the actual ice coating condition; the ice coating information of a power transmission line cannot be mastered in real time; and the guidance on the power transmission line anti-icing and disaster reduction work cannot be realized, and the like.
Owner:ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD +1
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