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49results about How to "Solve mining problems" patented technology
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Mechanical continuous mining method for gently inclined thin ore body
ActiveCN101975064ASolve the mining disasterResolutionUnderground miningSurface miningEngineeringDrill
The invention discloses a mechanical continuous mining method for a gently inclined thin ore body. Based on the principle of lengthening the slope distance to reduce the angle, ore blocks are arranged in an inclined way, so that an angle smaller than the original inclination angle can be formed between a working plane and the horizontal plane, thus creating an operating space for a drill jumbo and a scraper; a return air shaft is arranged at the corner of one ore room so as to be communicated with an upper horizontal return airway; each ore room is provided with an orepass used for the transmission of ores in the ore room; and a tunnel is respectively excavated along the strike direction above and below each ore room, the upper tunnel is used for ventilation connection, and the lower tunnel is used for ore removal connection. The invention is especially applicable to the mining of the gently inclined thin ore body of an underground mine, mining preparation has no requirements for undercutting projects, and the drill jumbos and scrapers are used for the operation, thereby achieving the characteristics of high degree of mechanization, high production efficiency, full-thickness continuous mining and low ore loss rate.
Owner:CENT SOUTH UNIV
Flowing current separation process coal mine underground gangue dumping system
ActiveCN103480482AIncrease production capacityImprove efficiencyWet separationEngineeringBucket elevator
The invention relates to a flowing current separation process coal mine underground gangue dumping system. The technical scheme includes that a run-of-mine coal conveyor is mounted on one side of a feeding end of a roller screen, two ends of an on-screen selected raw material coal conveyor are connected with a front-screen chute of the roller screen and a feeding port of a flowing current separation machine respectively, a block coal of the flowing current separation machine is connected with a dewatering screen, an oversize material discharging end of the dewatering screen is sequentially connected with a block coal conveyor, a block coal transferring conveyor and a pulverized coal conveyor, a high frequency screen is mounted in the middle of the block coal conveyor, under-screen water of the dewatering screen is connected with a concentration tank through a pipeline, the concentration tank is connected with the high frequency screen, a gangue outlet of the flowing current separation machine is connected with a bucket elevator, a discharging end of the bucket elevator is sequentially connected with a gangue conveyor, a gangue transferring conveyor and a gangue warehousing conveyor, under-screen water of the high frequency screen and overflow of the concentration tank are connected with a circulating water tank through pipelines respectively, and the circulating water tank is connected with a water inlet of the flowing current separation machine through a circulating water pump and a pipeline. The flowing current separation process coal mine underground gangue dumping system is simple in process, good in separation effect, low in power consumption and low in operating cost.
Owner:沈阳科迪通达工程技术有限公司
Method for searching for and preventing mine water seepage of Ordovician limestone mine field
ActiveCN103643918AImprove water resistanceSave money for water prevention and controlDirectional drillingSealing/packingCoal miningWater seepage
Owner:北京大地高科地质勘查有限公司
Massive search query log calculation and analysis system based on cloud platform
PendingCN111708740ASave spaceRealize website optimization and precision marketingMarketingFile system functionsFeature miningPersonalization
The invention provides a massive search query log calculation and analysis system based on a cloud platform. The invention aims at characteristics and requirements of an internet e-commerce platform,designs a structured log of a search engine, and provides the structured log data for a log analysis system to be applied, so the space required by traditional log analysis and the workload of log cleaning work are greatly reduced; an efficient e-commerce platform search query log analysis system is realized in combination with a Hadoop distributed computing platform and a big data processing algorithm, thus mining data back value; key points and excavation potential are fully grasped by feature selection of the e-commerce platform, so massive log key extraction information currently needed bythe e-commerce platform can be clearly and visually displayed, enough expansion capacity can be provided for mining of various interested features of logs, website optimization and precision marketing are achieved by analyzing behavior logs of users, personalized services are provided, and the invention has huge utilization value.
Owner:荆门汇易佳信息科技有限公司
Laneway repair machine
InactiveCN102926416ASolve mining problemsFix workMechanical machines/dredgersIdler-wheelPortal frame
The invention discloses a laneway repair machine which comprises a portal frame (1), a rotating oil cylinder (2), a large arm seat (3), a large arm (4), a large arm oil cylinder (5), a small arm oil cylinder (6), a small arm (8), a breaking hammer oil cylinder (9), a breaking hammer (11), a bucket oil cylinder (12), a link mechanism (13), a quick connector (14) and a bucket or hydraulic shear (15), wherein the small arm oil cylinder (6) is positioned below the large arm (4); the large arm oil cylinder (5) is arranged in a cavity of the large arm (4); the rear end of the breaking hammer (11) is provided with a slide block or idler wheel (7); the upper part of the breaking hammer oil cylinder (9) is provided with a sliding groove (10); the slide block or idler wheel (7) can move in the sliding groove (10); one end of the breaking hammer oil cylinder (9) is movably connected with the breaking hammer (11), and the other end is movably connected with the small arm (8); the quick connector (14) is arranged on the small arm (8); the link mechanism (13) is connected with the quick connector (14); and two grooves positioned on the quick connector (14) are closed and opened through a control mechanism, so that the fast replacement of the bucket (15) and the hydraulic shear (15) can be realized. The laneway repair machine disclosed by the invention has the advantages of realizing that breaking, shearing and assembling functions are integrated into a whole, simplifying the procedure of the mutual replacement of multiple equipment, reducing the construction auxiliary time and increasing the work efficiency of laneway excavation.
Owner:李小祥
Recognition method for key sections of highway network
InactiveCN106981194AAvoid diggingAccurate and Efficient MiningDetection of traffic movementDynamic planningTraffic flow
The invention discloses a recognition method for key sections of a highway network, which comprises the steps of firstly dividing the highway network into a plurality of sub community networks by using a community dividing algorithm; then modeling the highway network according to a probability assumption method, solving to acquire candidate key sections in each sub community network; and then finding out final key sections from the candidate key sections by adopting a dynamic planning method to act as key sections in the highway network, and enabling combinations investing the key section to realize the highest traffic efficiency of the highway network. According to the recognition method provided by the invention, key sections in the highway network are dug according to the traffic flow and highway network characteristics, the key sections in the highway network can be dug out accurately and efficiently, and a problem of key section digging is solved, thereby being capable of turning into an effective means of digging key sections in the highway network in practical application, being capable of providing a reference basis for overall planning of a transportation department, and providing a support means for the highway management staff to manage the highway network efficiently.
Owner:PEKING UNIV
Data association relationship mining method and application based on search engine technology
PendingCN112000773AImprove the efficiency of data miningSolve mining problemsText database indexingText database queryingDatasheetObject Class
The invention provides a data association relationship mining method and application based on a search engine technology. The method comprises the following steps of establishing a full-text index database, the full-text index database comprising a data table and an object field list which have established a full-text index relation, and the object field list comprising at least one object category field corresponding to an object category; retrieving a database according to the object category fields, and obtaining an object list for each category of objects, the object list including at least one object field corresponding to the object; retrieving a database according to the object field, and obtaining associated data for each object; establishing an association relationship between theobject and the associated data; wherein the association relationship is at least the relationship between the data table main key value corresponding to the position of the associated data and the object main key information. The method aims at quickly and conveniently searching all the data of the whole library and the whole table according to the associated object and automatically establishingthe association relationship according to the retrieved data, so that the technical blank in the prior art is filled up.
Owner:CITY CLOUD TECH HANGZHOU CO LTD
Soft advertising data monitoring and mining system and method thereof
ActiveCN105338379ASolve soft data monitoringSolve mining problemsSelective content distributionSpecial data processing applicationsAcquisition SchemeData acquisition
The invention discloses a soft advertising data monitoring and mining system and a method thereof. The system comprises a client inquiring and subscribing module which is used for inquiring and subscription of the required hard advertising data and soft advertising data for a client; and a client terminal which is used for performing regular pushing of the data subscribed by the client in multiple modes. The method comprises the following steps of a data acquisition step which is used for performing video data acquisition on playing content of multiple television channels based on a step-by-step collection acquisition scheme; a data storage step which is used for compression and storage of the acquired video data; a data processing step which is used for performing feature matching on the compressed and stored video data based on the extracted features and completing identification processing of the video data and generating the hard advertising data and the soft advertising data respectively; and a data mining data which is used for performing data mining on the hard advertising data and the soft advertising data. The invention also discloses the soft advertising data monitoring and mining system.
Owner:北京击壤科技有限公司
Gas gushing simulating system used in physics resemble simulation experiments
The invention discloses a gas gushing simulating system used in physics resemble simulation experiments. The system comprises a gas injection mechanism and a gas dissipation simulating mechanism. The gas injection mechanism comprises a gas cylinder cabinet, a gas cylinder, a gas reducing valve, a master gas pipeline, a gas injection control cabinet, branch gas mass flow meters, a fine tuning knob, a gas buffer tank, a digital display pressure gage, a master gas mass flow meter, a data transmission line and a computer. The gas dissipation simulating mechanism comprises a branch pipeline, a mining steel bar, an experiment box, a base and mining hydraulic cylinders. The gas gushing simulating system used in physics resemble simulation experiments can be used for simulating the gushing rule of gas under the coal mining condition and brings convenience to research on gas migration and gas extraction in overlying strata under the influence of mining moves.
Owner:XIAN UNIV OF SCI & TECH
Pumping unit of oil well
A pumping unit of oil well, which is aimed at integrating such functions as recovering oil, pumping oil upward, and generating electricity for electrically heating oil, effectively reducing the viscosity of crude oil and preventing coagulation of crude oil, is composed of sucker rod rotating under the drive of ground power, harmonic speed variator driven by said sucker rod, oil-well pump driven by said harmonic speed variator, underground electric generator driven by harmonic speed variator, and underground electric heater connected with said electric generator.
Owner:王身强 +1
Template type underwater dry-type well head structure
InactiveCN102913177ASolve mining problemsReduce manufacturing costSealing/packingUnderwaterEngineering
The invention discloses a template type underwater dry-type well head structure. The structure comprises a template, a dry-type cabin which is installed on the template and a well head, wherein the template comprises a plurality of cylindrical bases, a vertical posts which are installed in the centers of the inner portions of the cylindrical bases and a plurality of connecting beams which are installed on the upper portions of the vertical posts, the upper ends of the connecting beams are connected with the dry type cabin, a drill conductor guide is arranged on a cabin body of the dry type cabin, a drill conductor is installed on the dry type cabin through the drill conductor guide, and a well head is arranged at the top of the drill conductor. The head structure can be arranged in a certain depth underwater, a dry type oil extraction device can be used for oil extraction underwater, the problems of oilfield exploitation in special water surface moving areas are solved, and the effects for moving of ships in the areas are avoided; and at the same time, the production cost is reduced greatly, and the expenses for using underwater devices are saved.
Owner:CHINA NAT OFFSHORE OIL CORP +2
Key path extraction method of propagation network
InactiveCN108183956ASolve mining problemsData switching networksTransfer matrixInformation monitoring
The invention discloses a key path extraction method of the propagation network. An extra node is added to the propagation network, and bidirectional connection with each node of the propagation network is further established; the node similarity between any two nodes of the extra node propagation network is calculated; a node influence column vector is initialized based on the total quantity of the nodes of the extra node propagation network, a probability transfer matrix is further established, and global voting iteration is carried out to update the node influence column vector; traversal elimination of shortest paths of any two user nodes of the extra node propagation network is carried out, a path node influence row vector and a path node similarity row vector are established for eachshortest path; the comprehensive path influence of each shortest path is acquired through calculation to order each shortest path to acquire a key path. The method is advantaged in that a problem inmining the key propagation path on a social network platform is solved, and the method can be applied to the network information monitoring fields for public opinion monitoring and intervention and rumor detection.
Owner:WUHAN UNIV
Scientific and technical literature fine grit relation mining method based on two-stage syntax analysis
InactiveCN106776535ASolve mining problemsDerivation of implicit relationsNatural language data processingSpecial data processing applicationsObject structurePhacus
The invention relates to the field of technical mining in scientific and technical literature, in particular to a scientific and technical literature fine grit relation mining method based on two-stage syntax analysis. A two-stage syntax analysis method is adopted, wherein according to first-stage syntax analysis, a phrase structure generated through analysis is utilized, and long and complicated sentences in the scientific and technical literature are simplified better; according to the second stage, simple sentences obtained after simplifying are subjected to syntax analysis again, and a syntactic structure generated through analysis is utilized for accurately extracting the subject, verb and object structures of statements. According to the technical scheme, the aim of mining of the bio-entity relation in the scientific and technical literature is mainly achieved, the direct fine grit relation between bio-entities can be obtained, and the indirect relation hidden in the bio-entities can also be obtained through derivation.
Owner:JINLING INST OF TECH
Layered gas collecting pipe column assembly and gas collecting device having the same
The invention provides a layered gas collecting pipe column assembly and a gas collecting device having the same. The assembly includes a sleeve pipe, a double-tube packer, a drain pipe column and a gas collecting pipe column used for collecting gas; the sleeve pipe stretches into two gas collecting layers, and the internal of the sleeve pipe communicates with each gas collecting layer; the double-tube packer is arranged in the sleeve pipe and located between the two gas collecting layers to separate the two gas collecting layers; the drain pipe column passes through the double-tube packer andcommunicates with each gas collecting layer, and a plunger pump is arranged in the drain pipe column and can discharge liquid in each gas collecting layer; the gas collecting pipe column passes through the double-tube packer, and the inlet of the gas collecting pipe column communicates with the lower gas collecting layer and is closer to the double-tube packer relative to the lower part of the drain pipe column; and gas of the upper gas layer of the two gas collecting layers can be discharged through annulus between the sleeve pipe and the drain pipe column and the gas collecting pipe column,and the gas of the lower gas layer of the two gas collecting layers can be discharged through the gas collecting pipe column. Thus, gas mining problems, in the prior art, in high and low pressure layered oil and gas wells can be effectively solved.
Owner:PETROCHINA CO LTD
Hadoop-based network recommendation method
InactiveCN104503967ASolve computing problemsSolve analysisSpecial data processing applicationsWeb siteDiffusion
The invention discloses a Hadoop-based network recommendation method. Specific to a network based on a Hadoop platform, the scale of a cluster is increased according to a practical computation requirement; a dynamic storage space is provided for mass data sets by using an HDFS (Hadoop Distributed File System) to store the ever-increasing mass data sets; big tasks are decomposed into small tasks through a MapReduce framework; the computation speed of an algorithm is increased through a parallel computation way; and network recommendation is realized by using a substance diffusion algorithm and a heat conduction algorithm. Through adoption of the Hadoop-based network recommendation method, the problem that a large electronic commerce website cannot be well reached since a conventional algorithm running in a standalone mode tends to be impeded easily by multiple computer hardware performance such as processor speed and storage capacity is solved; a system is reliably and efficiently recommended to perform calculation, analysis and mining through massive user dialogs; and the problems of high time consumption, poor expandability, polynomial increase of the complexity of the algorithm and worse and worse algorithm performance along with the increase of the numbers of users and goods, and the like in other recommendation algorithms are solved.
Owner:LANGCHAO ELECTRONIC INFORMATION IND CO LTD
Tree excavating machine outer meshing rotating driving device
InactiveCN104938295ANot easy to get stuckMeet the transplanting requirementsGearingForestryTransfer caseDrive motor
The invention discloses a tree excavating machine outer meshing rotating driving device. The tree excavating machine outer meshing rotating driving device comprises an upper bearing ring, a lower bearing ring, a driving motor, a worm and gear reducing mechanism and a transfer case. The lower bearing ring is rotationally installed at the bottom of the upper bearing ring. One side of the upper bearing ring and one side of the lower bearing ring are provided with openings with the same angle. The two ends of the transfer case are each rotationally provided with a transmission shaft. The lower ends of the transmission shafts are provided with gears respectively. The lower bearing ring is provided with an outer gear ring. The gears are meshed with the outer gear ring and located at the two sides of the opening in one side of the lower bearing ring. By means of the tree excavating machine outer meshing rotating driving device, it is guaranteed that an excavated soil ball is very round, a large tree root can be sawed off, stone and other barriers can be conveyed out through a chain, and the tree excavating machine outer meshing rotating driving device will not get stuck easily; it is guaranteed that a tree excavating machine can be provided with an angle adjusting device, the tree excavating machine can conduct excavating on the ground with certain slope, the excavated soil ball can meet the requirement for tree transplanting, and the problems of excavating and transplanting of seedlings on the conditions of hills, mountain slopes and the like are solved.
Owner:ANHUI SANPU MACHINERY
High-thick crude-oil adhesive-reducing agent and producing method therefor
ActiveCN101070466AGood viscosity reduction effect at low temperatureImprove performanceDrilling compositionAdhesiveAlkylphenol
The present invention, a high-consistency crude oil dimension agent and the way of making it, belongs to oil area, especially when used in crude oil and oil production; it can be effectively decrease the viscidity of crude oil. The high-consistency crude oil dimension agent consists of six components: polyoxyethylenated alcohol vitriol ate of tartar (one share), acetyl tannic ace amide (6-12 shares), polyoxyethylated alkylphenol (2-8 shares ), isooctyl alcohol polyethenoxy ether (3-20 shares ), potassium citrate (6-10 shares), water (25-35 shares ), according to the weight. The viscidity is 250-350 map's to the temperature of 25Deg.c. The high-consistency crude oil dimension agent should be used as a density of 0.8-1.5%. The present invention is good for crude oil dimension, the function is stable, and it is widely adept. The present invention solves the problems in consistency oil production.
Owner:孙保兴
Greenhouse rail-mounted pseudo-ginseng harvester
The invention relates to a greenhouse rail-mounted pseudo-ginseng harvester, and belongs to the technical field of agricultural harvesting mechanical equipment. The greenhouse rail-mounted pseudo-ginseng harvester comprises a walking system, a rail switching system, an excavating unit and a soil removing unit. The walking system is arranged on the front and rear ends of a frame, the rail switching system is arranged at two sides of the walking system, the frame is provided with a motor and a hydraulic pump, the excavating unit is arranged under the frame, and the soil removing unit is arranged behind the excavating unit. According to the invention, switching between ground walking and rail operating in the greenhouse can be achieved, the automation degree is high, and the harvesting effect is good; the rail switching system is employed in the harvester, the problem that pseudo-ginseng planted in the greenhouse is hard to excavate is solved, and excavation of pseudo-ginseng seeds and other root Chinese medicinal materials can be achieved at the same time; and the greenhouse rail-mounted pseudo-ginseng harvester has a relatively-low mechanical damage rate, and the pseudo-ginseng integrality is fully guaranteed.
Owner:KUNMING UNIV OF SCI & TECH
Front feeding type pseudo-ginseng harvesting machine
PendingCN109315125AIntegrity guaranteedSolve mining problemsTopping machinesDiggersGreenhouseEconomic benefits
The invention discloses a front feeding type pseudo-ginseng harvesting machine, and belongs to the technical field of agricultural harvesting machinery equipment. For the problems of previous manual pseudo-ginseng harvesting that the labor intensity is large, time and energy are wasted, and the labor-hour cost is high, the invention provides the pseudo-ginseng harvesting machine capable of replacing manual work, the pseudo-ginseng harvesting machine can achieve pseudo-ginseng digging, clamping, soil patting, separation of roots and stems, collection and unloading at a time, and can achieve harvesting of pseudo-ginseng in a greenhouse, the degree of automation is high, the mechanical damage rate and digging missing rate are lower, the integrity of pseudo-ginseng is fully guaranteed, the digging problem of pseudo-ginseng is solved under the requirements of special agronomic requirements, digging and harvesting of pseudo-ginseng can be achieved, and the depth of a knife rest can be adjusted to achieve harvesting of other root and stem crops; the structure is simple and compact, the operation is flexible, the use is reliable, and the economic benefits and production benefits of pseudo-ginseng are improved.
Owner:JILIN UNIV
Cutting device of coal cutter
InactiveCN102748019ASolve mining problemsReduce axial sizeCutting machinesGear trainMechanical engineering
The invention relates to a cutting device of a coal cutter, which mainly solves technical problems including both the floor-based quantity and the roof brushing quantity of the coal cutter. Technical schemes adopted in the invention comprise that a motor of the cutting device is in driven connection with a primary planetary gear train with large speed ratio, wherein the planetary gear train is in driven connection with a roller, and the motor is positioned in a cavity of the roller; and that a gap exists between an overhanging end line of the motor and an edge line of a ledge, and a gap exists between the overhanging end line of the motor and an edge line of a support front beam. Thus, the cutting device can better satisfy requirements for the floor-based quantity and the roof brushing quantity when the diameter of the roller is small, and is suitable for exploitation works in thin coal seams or relatively thin coal seams.
Owner:SHANGHAI TIANDI MINING EQUIP TECH CO LTD +1
Wellhead fixing device applicable to oil and gas exploitation
InactiveCN106968638ASolve mining problemsAvoid shakingBorehole/well accessoriesConvex sideEngineering
The invention discloses a wellhead fixing device applicable to oil and gas exploitation. The wellhead fixing device comprises an overground bracket installed above a wellhead, a well wall fixing mechanism in connection with the overground bracket is arranged in the wellhead, and the well wall fixing mechanism comprises two arcuate frames; one sides, in the vertical direction, of the two arcuate frames are hinged to each other, the other sides of the two arcuate frames are fixed through mounting mechanisms, and wire mesh is laid on the arcuate frames and matched with the well wall surface. A plurality of plug pins are fixed to the lower ends of the arcuate frames, the plug pins form an annular structure around the axis of the wellhead, and the plug pins are perpendicular to the arcuate frames and located at the outer convex sides of the arcuate frames. By means of the wellhead fixing device, the problems that gravel is likely to fall from the well wall and thus well bottom exploitation is influenced are solved; the goal that the wellhead fixing device has a good effect of well wall fixing and can be used repeatedly is achieved.
Owner:广汉川亿石油科技有限公司
Stock rise and fall prediction method based on multi-task self-supervised learning
The invention provides a stock rise and fall prediction method based on multi-task self-supervised learning, which can automatically learn valuable features from original financial signals and predict the rise and fall of stocks by taking the features as signals. Specifically, the invention realizes a stock technical data sequence encoder based on Transform and an attention mechanism, designs a plurality of self-supervision auxiliary tasks to train the encoder, and encodes stock sequence data by using the trained encoder. Finally, based on the long-short-term memory neural network and the feedforward neural network, sequence representation is learned, and the rise and fall of the stock is predicted. A large number of experiments carried out on a real stock data set show that the features learned by the method are effective signals for predicting the rise and fall of the stock, and the method has leading accuracy in the aspect of predicting the rise and fall of the stock.
Owner:EAST CHINA NORMAL UNIV +1
Method for mining hybrid multi-concurrent structure based on Petri network to improve efficiency of business process
ActiveCN112035423AExcavate accuratelyImprove execution efficiencyKnowledge representationSpecial data processing applicationsData miningBusiness process
The invention belongs to the technical field of process mining, particularly discloses a method for mining a hybrid multi-concurrent structure based on a Petri network to improve business process efficiency, and aims to solve the technical problem of low business process efficiency due to the fact that an existing mining method cannot accurately mine a process model of the hybrid multi-concurrentstructure from incomplete event logs. The process mining method based on the Petri network, namely the AlphaMining method, comprises the following steps that firstly, all activities in an incomplete event log are obtained in an event system, and the activity conforming to the simplest second-degree short cycle structure is found out; respectively redefining the activities in the simplest two-degree cycle structure; secondly, according to the number characteristics and the position characteristics of the activities in the traces, correctly matching and identifying the same type of second-degreeshort-cycle structure by using a number marking matrix and a position marking matrix, and completing mining of a process model containing the hybrid multi-concurrent structure; and then, the mined process model is used for replaying the actual business process, so that the efficiency of the actual business process is improved.
Owner:SHANDONG UNIV OF SCI & TECH
SSD face detection method based on deep learning
ActiveCN112183362AIncrease differentiationImprove robustness and generalizationCharacter and pattern recognitionNeural architecturesImage resolutionEngineering
The invention discloses an SSD face detection method based on deep learning, and the method comprises the steps: carrying out the candidate box extraction, target detection and bounding box regressionof to-be-detected face data based on a deep convolutional neural network; discretizing an output space of the target Bounding Box regression task into a priori box by utilizing an SSD strategy, and respectively setting priori boxes with various aspect ratios and sizes corresponding to each position in each detection layer; wherein the deep convolutional neural network generates a confidence coefficient of the to-be-measured face according to the priori frame, and corrects the position of the priori frame; and in combination with an SSD strategy, carrying out detection of a plurality of feature maps with different resolutions on the corrected position to obtain a final detection result. According to the SSD strategy provided by the invention, the difference between detection layer data isincreased, the generalization ability and robustness of the model are improved through data enhancement, the problem of difficult negative sample mining is solved, the purpose of balancing training set category distribution is achieved, and the precision and efficiency of small face detection are improved.
Owner:GUANGXI UNIVERSITY OF TECHNOLOGY
Water-adding viscosity-reducing device
InactiveCN103046909ASolve mining problemsEasy to put into productionFluid removalLine tubingHeating furnace
The invention relates to an oil well exploiting device, in particular to a water-adding viscosity-reducing device. The technical scheme is that the water-adding viscosity-reducing device is mainly composed of a well filed, an oil outlet pipe, a metering station and a water-adding pipe. The well filed is respectively connected with the oil outlet pipe and the water-adding pipe, the oil outlet pipe is connected with the metering station, the metering station comprises a metering separator and a heating furnace, the heating furnace is fixed on the oil outlet pipe, and the oil outlet pipe is connected with the metering separator through the heating furnace. The water-adding viscosity-reducing device has the advantages that the exploiting of high-viscosity crude oil is achieved, the water-adding viscosity-reducing device is put into production easily and is convenient to manage, production is stopped easily and is safe, the well filed and a main line are not provided with the heating furnace, fuel is saved, and back pressure is reduced effectively.
Owner:NANTONG RELIANCE SOLAR TECH
Flowing current separation process coal mine underground gangue dumping system
Owner:沈阳科迪通达工程技术有限公司
A method and device for determining the duration of a page stay based on terminal access
Owner:BEIJING VRV SOFTWARE CO LTD
A Mine Austrian Ash Top Reconstruction and Construction Method Based on Kilometer Directional Drilling Technology
ActiveCN102877884BHigh mechanical strengthSolve mining problemsMining devicesMineral SourcesMining engineering
Owner:SHANDONG ENERGY GRP
A software and wide data monitoring and mining system and method thereof
ActiveCN105338379BSolve mining problemsSolve monitoring problemsDigital data information retrievalSelective content distributionAcquisition SchemeData acquisition
Owner:北京击壤科技有限公司
Grid-connection configuration method for distributed generation
ActiveCN110752599ASolve mining problemsSolve management problemsSingle network parallel feeding arrangementsAc network with energy trading/transmission rightsNew energyEngineering
The embodiment of the invention provides a grid-connection configuration method for distributed generation. The method comprises the steps of constructing an upper-layer objective function, wherein the upper-layer objective function aims at maximizing the net income of asset in the whole life cycle and takes the installation position and the capacity of distributed generation as upper-layer decision making variables; constructing a lower-layer objective function, wherein the lower-layer objective function takes the minimum net load peak-valley difference expected value after the distributed generation is consumed as a target and takes the electricity price as a lower-layer decision making variable; and solving the upper-layer objective function and the lower-layer objective function to obtain a target result, and completing configuration of the distributed generation based on the target result. According to the invention, the problem of how to coordinate the configuration of new energypower generation and the mining and management of user side resources in the process of planning and managing the power distribution network by a self-operated power distribution network main body issolved; and a distributed generation and demand response combined double-layer opportunity constraint model is established by simultaneously considering the planning-operation problem of the self-operated power distribution network.
Owner:QINHUANGDAO POWER SUPPLY COMPANY OF STATE GRID JIBEI ELECTRIC POWER COMPANY +1
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