206results about How to "Ease of field application" patented technology

The invention discloses a thermal process soft sensor modeling method based on least squares and support vector machine ensemble, and belongs to the technical fields of thermal process and artificial intelligence intersection. The method includes selecting auxiliary variables as an input of a model and key variables to be predicted as an output of the model, selecting running data as an initial training sample, utilizing the soft fuzzy c-means clustering (SFCM) method to divide the initial sample into sub-datasets which are overlapped and which are provided with differences, establishing individual models on each sub-dataset, and synthesizing predicted outputs of the individual models to obtain estimation of the key variable; aiming to optional new acquired sample xk, obtaining a corresponding predicted value. According to the thermal process soft sensor modeling method, the soft fuzzy C-means clustering method is adopted, predicting accuracy is improved by means of establishing integrated models, calculating of the models is easier, and calculating efficiency is improved; boundary samples are processed effectively, the process is convenient to implement, the key variable can be predicted accurately, and important significance is provided to optimized operation of the thermal process system.

The invention discloses a master-slave point-by-point correcting method for an LED display screen, which comprises a master control end and a slave control end, and comprises the following steps: A1, the master control end transmits a command to the slave control end, and the slave control end controls the LED display screen to display a test image according to the command; A2, an image acquiring device is utilized to acquire the test image while the test image is displayed; A3, the luminance characteristic value of LED lamp spots in the test image is calculated; A4, the adjusted lamp spot luminance data is calculated according to the correction coefficient preset by the system, and the master control end transmitts the lamp spot luniance data to the slave control end; A5, the LED display screen is controlled to display a corrected effect image according to the lamp spot luminance data; and A6, according to the corrected image, correcting the preset correction coefficient until the satisfied effect is obtained.

The invention relates to a composite chemical blocking agent. The chemical blocking agent consists of structure forming agent, curing reinforcing agent, fiber plasticity reinforcing agent, suspension stabilizer, water holding thickening time control agent and the like. Compared with the conventional oil well cement blocking agent, the composite chemical blocking agent has the advantages of high construction safety, high blocking success rate, high blocking strength, long validity period, high mineralization resistance, high temperature and high pressure resistance and the like. The composite chemical blocking agent applied in chemical blocking and channeling sealing processes of oil and gas wells achieves good effects.

The invention provides a power station boiler emission soft measuring method based on a least squares support vector machine and on-line updating and belongs to the thermal technology and artificial intelligence cross technology field. According to the power station boiler emission soft measuring method based on the least squares support vector machine and the on-line updating, relevant operation and state parameters of the power station boiler are selected to be served as model input, to-be-premeasured emission component contents are served as model output, historical operation data is selected to serve as initial training samples, an initial model for emission discharging is constructed through a least squares support vector machine method; updating strategies based on sample replacement and sample supplement based on the analysis of time-variant characteristics of emission discharging are also provided, and parameter solving and model updating are achieved in an incremental mode through two modes of deleting samples and increasing samples. The power station boiler emission soft measuring method based on the least squares support vector machine and the on-line updating has the advantages of improving model performance along with variation of process characteristics self-adaptively, achieving accurate prediction of the emission discharging and having significance to safe and optimizing operation of the power station boiler.

The invention relates to a method for treating oil field drilling waste water, which comprises the following major steps: A) adding activated carbon and ferric trichloride, ferric sulfate or other ferric salt to oil field drilling waste water, and introducing ozone to perform a catalytic ozonization reaction; and B) after ozonization, adding polyacrylamide flocculant to the outlet water to enablethe activated carbon and ferric hydroxide to be subject to coagulative precipitation, and separating the water and precipitates. By using the method provided by the invention, the COD (Chemical Oxygen Demand) (2000-10000mg/L) removal rate of the oil field drilling waste water can be increased from 10% or so to 50-70% by ozone oxidation.

The invention discloses an expansion pipe repairing device which comprises an expansion pipe, an upper expansion cone, a lower expansion cone and a force applying component. The expansion pipe is a hollow pipe column extending along an axis. The pipe column is provided with a first port and a second port which are opposite. Each of the upper expansion cone and the lower expansion cone is provided with a conical surface. The conical surface of the upper expansion cone and the conical surface of the lower expansion cone are respectively clamped to the first port and the second port of the expansion pipe. The force applying component can drive the upper expansion cone and the lower expansion cone to move towards each other long the axis of the expansion pipe. By the expansion pipe repairing device, primary and secondary repairing of a casing damage well can be performed efficiently.

The invention discloses a method for inversion of dynamic connectivity between wells of a multi-layer reservoir. The method includes: establishing a dynamic connectivity model between wells of the multi-layer reservoir according to the perfection degree of the field existing monitoring data and the shut-in condition, and in particular providing different solutions for different shut-in reasons; adopting a simulated annealing particle swarm algorithm to solve the model, and optimizing the dynamic connectivity coefficient and time constant to make the predicted results coincide with the actual production performance, and realizing the inversion of the dynamic connectivity coefficient between injection and production wells and the longitudinal splitting coefficient of oil and water wells in each layer of reservoir. The method has the advantages of fully utilizing the existing field monitoring data, fully considering the actual fluid volume and pressure change in the reservoir field and the well shutdown problem, is high in accuracy and applicability, and has important reference values for the implementation of stimulation measures in the high water cut oilfield.

The invention discloses a shedding area detection method of an RTV coating of an insulator and a detection device. The detection method comprises following steps of removing dirt on the surface of the insulator; using colored liquid to smear damaged parts of surface RTV of the insulator; sleeving blank annular Chinese art paper on the surface of the insulator after all the damaged parts are smeared; flattening and arranging the annular Chinese art paper on which colored liquid marks are printed on a platform; acquiring the image of the Chinese art part via an image acquirer and sending the acquired image to a computer; using the computer to carry out profile extraction, area dividing and identification on the colored liquid marks on the Chinese art paper; and calculating quantity of pixel points so as to determine area of the colored liquid marks, i.e., the damaged area of surface RTV coating on the insulator. According to the invention, by taking a rubbing of damaged area on the Chinese art paper, the damaged parts of the surface RTV can be identified in an undamaged manner, and precision degree is high.

The invention discloses a soft measuring method of product quality of an industrial fluidized bed gas-phase polyethylene device. The method comprises the following steps: selecting a plurality of key variables influencing product quality to set up a process detection variable set; applying the projection principle of multivariate statistics to establish a soft measuring model between product resin melt index and density and process detection variables; adopting a nonlinear partial least square method of embedded Taylor series approximation (used for carrying out process nonlinear characteristic representation) as core technology; and determining the number of optimal pivot elements through cross check technology. The soft measuring method avoids complex process mechanism analysis and has convenient site implementation and high precision of soft measuring; therefore, the method is particularly suitable for nonlinear industrial occasions with high dimension and abundant progress data similar to the industrial fluidized bed gas-phase polyethylene production device. Moreover, the soft measuring method can be used for real-time monitoring or production guidance to improve product quality, increase output and ensure smooth device operation, thereby bringing greater economic benefits.

The invention discloses a method for detecting exhaust enthalpy of a turbine. The method includes the following steps of measuring and calculating a change rule of a specific parameter when a working condition changes according to designed data or test measured data, calculating to obtain a numerical value of the specific parameter under one certain working condition, acquiring partial heating power data of a low pressure cylinder under the certain working condition by the aid of a measuring instrument, reasonably assuming on the basis of a stage loss theory to obtain a numerical model for calculating the exhaust enthalpy of the turbine, substituting the numerical value of the specific parameter and the partial heating power data into the numerical model for calculating the exhaust enthalpy of the turbine to calculate the value of exhaust enthalpy of the turbine under the certain working condition. On the basis of stage loss theory, stage losses of the turbine are sorted into exhaust steam loss relating to volume flow, moisture loss relating to moisture and other losses relating to ideal enthalpy drop, and the calculation is simple, clear and highly precise. Detailed structural parameter of the low pressure cylinder is not needed, so measure points are reduced, and influence on calculated result caused by measuring error is small.

The invention discloses a distribution network transformer low-voltage winding deformation belt electric detection device and method. The detection device comprises a signal generation unit, a signal injection unit, a signal obtaining unit, a signal conditioning unit and a signal collecting unit. The output end of the signal generating unit is divided into two paths to conduct output, one path of the output end is connected with the input end of the signal injection unit, and the other path of the output end is connected with the first input end of the signal collecting unit. The output end of the signal injection unit is connected with a low-voltage winding of a distribution network transformer to be tested through a high-voltage testing clamp. A neutral point of the distribution network transformer to be tested is connected with the input end of the signal obtaining unit, the output end of the signal obtaining unit is connected with the input end of the signal conditioning unit, and the output end of the signal conditioning unit is connected with the second input end of the signal collecting unit. The distribution network transformer low-voltage winding deformation belt electric detection device is small in size, convenient to carry and easy to operate, and under the premise that primary wiring of the transformer is not changed, electrified detection can be conducted on deformation of windings of multiple transformers through one device.

The present invention belongs to the field of cationic polymer coating agents, and particularly relates to a low molecular weight cationic polyacrylamide coating agent for a water-based drilling fluid, and a preparation method thereof. The coating agent is formed by copolymerizing three monomers, wherein the first monomer is one selected from acrylamide and sodium acrylate, the second monomer is one selected from a cationic monomer dimethyl diallyl ammonium chloride, diethyl diallyl ammonium chloride, acryloyloxyethyl dimethyl benzyl ammonium chloride, methyl acryloyloxyethyl dimethyl benzyl ammonium chloride and methyl acryloyloxyethyl trimethyl ammonium chloride, the third has the following structure, q is 1-5, and the molecular structure of the third monomer contains silanol, and can occur strong interaction with drilling chips and the like so as to enhance the coating inhibition property. According to the present invention, the aqueous solution polymerization is used, the process is simple, and the operation is easy; and the coating agent is used for the water-based drilling fluid, is easy to dissolve, is easily used on the site, provides a good coating inhibition effect, and can improve the performance of the drilling fluid system.

The invention belongs to the technical field of computer software and discloses a special operation personnel actual operation examination control method and system. The method comprises the steps ofuploading check data to a server for check in real time; feeding back results in real time, and after the results are fed back completely, carrying out weighting computing to obtain actual operation scores; collecting video data, and analyzing and replaying the video data; synchronizing examination planning data, and uploading examination data in real time; carrying out electronic signing and confirmation on examination results; and storing signing information and examination results to an examination information base. According to the method and the system, working efficiency is improved, specifically, before the system is used, after examinations are finished, examinee videos are edited and processed and then are uploaded, a score of each examinee needs to be manually computed, and timeand labor are wasted, after the method and the system are employed, the scores of the examinees are displayed in real time, the videos are directly uploaded to the server, and taking a class as an example, the time from examination organization to data archiving is averagely reduced by more than 60%.

The invention relates to the technical field of petroleum well drilling, in particular to a rapid drill bit optimal selection method based on foundation pit anti-drill parameters. The rapid drill bitoptimal selection method comprises the step of stratum sensitive anti-drill parameter extraction, the step of drill bit type selection statistics mode establishing and the step of drill bit optimal selection gray clustering, and the rapid drill bit optimal selection method is a rapid drill bit optimal selection method in which according to various well logging data of a well area where a to-be-drilled well is located, stratum sensitive anti-drill parameters are simply and accurately extracted, the drill bit type with the fast footage for different stratum well depths is selected through comparison, a stratum anti-drill parameter and corresponding efficient drill bit type big data mode base is established, a gray dynamic clustering analysis method is adopted, and the optimal drill bit typeis given for different well section stratums of a drilled well or a drilling well or the to-be-drilled well.

The invention discloses a bentonite reticular gel foam mud fire prevention and extinguishing agent, and the key point of the technical scheme is that the fire prevention and extinguishing agent is composed of a bentonite composite type flame-retardant foaming agent, an attapulgite clay powder with an air purifying function, inorganic fiber spraying cotton, a sodium-modified bentonite powder, a coal gangue powder, an expanded perlite powder, sodium alginate and water. The ingredients of the bentonite reticular gel foam mud fire prevention and extinguishing agent are inputted into a plow harrow type material mixing machine and are subjected to high speed mixing into the bentonite reticular gel foam mud fire prevention and extinguishing agent. Reticular gel foam mud is jetted to a burning coal layer by an inorganic fiber spraying machine, so as to be beneficial for generation of an integral reticular gel foam mud film in the fire prevention and extinguishing process, the integral reticular gel foam mud film covers and adheres to the surface of the ore layer all the time, contact of the burning coal layer with air is rapidly isolated, coal mines are prevented from continuing to burn, the coal layer is avoided from reburning, and the purposes of flame retardancy and fire prevention and extinguishing are reached; and the bentonite reticular gel foam mud fire prevention and extinguishing agent is applicable to coal mines, mine operating areas and forest fire prevention and extinguishing.

The invention provides an oil-bases stuck freeing agent composition for drilling fluid and a preparation method for the oil-based stuck freeing agent composition. The composition contains span-80 or span-60, span-20 or span-40, alkyl benzene sulfonic acid, petroleum acid, poly acid and mineral oil. The preparation method includes pumping raw material components into a reaction kettle, stirring, heating to 65 DEG C-95 DEG C, heat-preserving, stirring for reacting for 120-180 minutes, cooling to the room temperature and discharging for packaging. A using method of the stuck freeing agent includes determining density of stuck freeing spotting fluid according to safe density of the drilling fluid needed on the spot, stirring water, diesel, kerosene, or other mineral oil and the stuck freeing agent, adding barite and stirring to form stuck freeing spotting fluid emulsion, pumping the formed emulsion into a sticking section for soaking to unfreeze, and continuously pumping into the stuck freeing spotting fluid at a speed of 0.16-0.36M3/h at the soaking stage until the sticking is released. The oil-based stuck freeing agent composition for the drilling fluid is convenient to use on the spot, small in using amount, convenient to conventionally carry for drilling crew, the maximum using amount is 8.7% of the stuck freeing spotting fluid, fluctuation range of stuck freeing time is narrow, the stuck freeing time of the stuck freeing spotting fluid with a density of 2.28g.cm<-3> ranges from 80 minutes to 160 minutes.

The invention discloses a compound disinfectant for livestock and poultry raising environment and mainly comprises o-phthalaldehyde and deka-methonium bromide. The compound disinfectant comprises the components by weight percent: 0.05-1% of o-phthalaldehyde, 0.0001-0.05% of deka-methonium bromide, 1-5% of cosolvent, 0.001-0.1% of metal chelating agent, 0.001-1% of stable inhibitor and balance water; and the sum of the weight percent of the components in the scheme is 100%. By compounding the o-phthalaldehyde and the deka-methonium bromide, the compound disinfectant not only reduces the using quantity of the o-phthalaldehyde, the inconvenience for the field application caused by contamination and the irritation of disinfection for animals, but also avoids the disadvantage that the o-phthalaldehyde can not effectively kill bacterial spores. The compound disinfectant can be applied to air and ground sterilization of livestock and poultry for the animals in livestock and poultry houses, and air, ground, excrement and water sterilization of an animal farm. The compound disinfectant has the characteristics of efficiently killing environmental microorganism as well as low irritation, low corrosiveness and simple and convenient field application.

The invention relates to a configurable industrial bus interface supporting protocols. A main control module is realized based on control of a CPU, the main control module operates according to a user configuration mode, and the main control module realizes application layer logic of protocol specifications. A data link layer module is realized based on FPGA which can be programmed to configure and operates in a hardware mode. The data link layer module can be flexibly configured to be a data link layer of a master station or slave stations with a ProfiBus specification, and also can be configured to be a data link layer of a master station or slave stations with a ModeBus specification. The industrial bus interface makes instruments be advantaged by good compatibility, high flexibility, low cost, fast speed, high automation degree, good security, and convenient field application.