87 results about "Water industry" patented technology

The invention discloses a power load forecasting method based on customer segmentation in power industry. The power load forecasting method comprises: step 1, extracting customer load data and obtaining load sample data; step 2, pre-processing the load sample data; step 3, performing cluster grouping to customer to obtain a plurality of customer groups; step 4, summarizing the load data of the customer groups; step 5, performing load timing sequence forecasting to a single customer group; step 6, summarizing and calculating load forecasting results of the plurality of customer groups; and step 7, evaluating the load forecasting results obtained in the step 6. The power load forecasting method can accurately forecast power load of the customer groups and provides a basis for development and operation of a power system.

The invention discloses a real-time bus across safety zone communication method suitable for power industries, and belongs to the technical field of informatization and automation of electric power systems. According to the real-time bus across safety zone communication method, across safety zone information exchange is accomplished through transit servers and internal nodes. Two transit servers are configured in one safety zone, and the transit servers are used for transmitting and receiving cross-zone messages and transferring the messages to a designated work catalogue, so that the internal nodes can use the messages. The transit servers are arranged at the positions related to an isolating device, the internal nodes in the same safety zone establish a network connection through a switch or a router, and the internal nodes are mainly used for transmitting messages and receiving messages at last. According to the real-time bus across safety zone communication method, data are transmitted through the network isolation device unidirectionally (in the forward direction and in the reverse direction) on the premise that the existing safety zone framework arrangement is guaranteed to be unchanged, and thus safe and stable data communication among different safety zones is achieved finally.

The invention discloses a user portrait construction method for a power industry. The method comprises the steps of generating basic attribute tags of a user according to fields in a database, wherein basic attributes of the user include an area, a voltage grade, an industry, a power utilization type, a network access duration, whether energy consumption is high or not, and whether the user is a third-party user or not; and/or, generating basic behavior tags of the user based on a power utilization behavior, a paying behavior and an interactive behavior respectively. According to the user portrait construction method for the power industry, provided by an embodiment of the invention, the frequency, degree and recent prediction of the user behaviors of the power industry are combined and behavior characteristics of power utilization customers of different attributes can be described multi-dimensionally, thereby effectively assisting business personnel of power companies to provide differential value-added services according to states of the power utilization customers.

The invention discloses an electronic data preservation method and a system for a power industry based on a block chain. The security system of the invention comprises a power service system, a blockchain platform and a CA mechanism. The electric power service system is connected with a plurality of user terminals. The invention redesigns the verification flow of the endorsement node, which not only verifies the signature of the electric power service system, but also verifies the private key signature of the operator at the user end, so that the identity and operation of the user end are verified inside the block chain platform. This design allows the endorsement node to confirm the identity of the client operator directly, as a direct condition to generate the corresponding authority ofthe transaction endorsement, which is more secure and reliable, and can not be tampered with. Moreover, the electronic business system reduces the verification operation, and can greatly improve theefficiency of service invocation. In addition, the client uses USBKEY hardware for cryptographic operation, the private key can not be out of the hardware, so that the electronic raw data generation and transmission of the client is more secure.

The invention discloses an automatic control algorithm for carrying out feed-forward control based on an artificial neural network and feeding vitriol in tap water by coagulation on the basis of fuzzy feedback control, comprising the following steps of: learning the process parameters of vitriol-feeding control by the artificial neural network, identifying the internal corresponding relationships in the system parameters, thus predicting the control value of the detection source water parameters of a core; subsequently correcting the prediction value by a method of fuzzy control feedback; and finally obtaining a vitriol-feeding control quantity meeting the requirement to control the operation of a metering pump, thus completing the full process of vitriol-feeding control. The algorithm can ensure the safety production and stable operation of water industries under the condition of variable source water references and achieves the objects of saving energy, reducing consumption, downsizing staffs and improving efficiency.

The invention discloses an attack and defense test method for the network safety of a power industry, and the method comprises the steps: building a test device, building a user database, and distributing a user resource; importing a teaching plan or examination questions, handing out the teaching plan or randomly extracting examination questions, and selecting a current check task; scoring a task check result selected or inputted by a user for each current check task if the each current check task is a theory check task; or else, capturing a data package when the user executes the current check task, carrying out scene analysis of the data package, obtaining an attack scene corresponding to the current check task, scoring the attack scene obtained through analysis, and finally outputting the total of scoring results of the distributed teaching plan or randomly-extracted examination questions. The method can be used for safety attack and protection test of wireless terminal equipment of the power industry, and can provide a convenient, complete and expandable research and safety testing system for the safety test of wireless access equipment of a power system.

The invention discloses a data on-line migration method of a typical production system in power industry and aims at solving the problem of data migration among different data bases located in different safe regions under the production environment of a power system. The data on-line migration method adopts data interface servers which arranged in the safe regions and are responsible for acquisition, format conversion, resolution and write-in process of migrated data, adopts transit servers which are responsible for transmission and transit work of data files in the safe regions to reduce data transmission pressure of interface service programs and ensure stable system operation, adopts a standard E-format language files formulated Chinese national committee as a carrier, performs cross-separation-gatekeeper data transmission through a model that the interface service programs and transmission tool special for separation gatekeepers are combined and ensures data safety. The data on-line migration method ensures normal and stable operation of an existing production system (specially a data base system) and accordingly achieves on-line, safe and stable data migration.

The invention aims to provide an 'ecological optimization production process for the all-seawater industry', which is characterized by realizing 100 percent comprehensive utilization of the seawater by the optimization production process which 'circularly extracts and continuously processes the seawater to produce the following three major compound products: marine bio-foods and marine medical products, marine element products and salt chemical products and clean fresh water products. The optimization production process initially provides marine organism pharmaceutical sources for human, eliminates and changes the traditional salt chemical industries and the traditional seawater desalination industries into industrial chain type comprehensive-utilization compound industries with a plurality of salt chemical products rather than the original single products or a fewer varieties of products and supplies cheap and sustainable clean fresh water resources to human beings. The all-seawater-industrial ecological optimization production process has the advantages of reaching zero emission, completely eliminating the ocean pollution caused by 'residual metamorphic seawater', eliminating domestic wastes and realizing ecological environmental protection production.

The invention discloses a preparation method of laser-patterned knitted denim fabric. The preparation method comprises steps as follows: raw materials are selected; yarn is dyed; pure cotton fibers, bamboo fiber, polyester fibers and PBT (polybutylene terephthalate) fibers are woven to form 100 g/m<2>-250g/m<2> gray fabric; the woven denim gray fabric is sequentially treated through processes of singeing, mercerization, preshrinking washing and enzyme washing; laser patterning is performed; the laser-patterned knitted denim fabric or ready-made clothes is prepared through afterfinish, easy-care treatment and other processes. Compared with a conventional water washing method, the laser-patterned knitted denim fabric is subjected to laser patterning and TiO2 modification treatment, the technological process is simple, the working efficiency is high, the cost is low, sewage discharge is greatly reduced, the water consumption is reduced, the environment of the washing water industry is improved to a great extent, and the water washing time is saved.

The invention relates to a filter material for water treatment, in particular discloses a hemp fibre filter wire and a preparation method thereof. The hemp fibre filter wire is characterized by being prepared by using hemp fibres as raw materials, spinning the hemp fibres into yarns through hemp spinning equipment and then degumming, bleaching, drying and forming. The invention is mainly used for the purification and the filtering of various liquids; a wire-wound filter core prepared by the hemp fibre filter wire is used for the precise filtering of the liquids in a petroleum industry, a chemical industry, an electron industry, a pharmaceuticals industry, a food industry, a domestic water industry, and the like; and in addition, the invention can bring new vitality for the water treatment industry due to excellent performance and complete green environmentally-friendly quality.

The present invention relates to the technical field of power management devices, especially to a maintenance tool management system for a power industry. The system comprises a central processor module, a storage module, a communication module, an execution module, a touch screen module and a RFID module. The central processor module is taken as a control center and is configured to perform collection and process of data of the touch screen module and the RFID module and send a command to the execution module and the communication module. The system can be installed in a production workshop and is connected with a corresponding work ticket management system to commonly perform task and tool management. The system can achieve self-selection of tools after the maintenance task is complete so as to greatly save the time of the maintainers selecting tools and improve the maintenance efficiency.

The invention discloses a method for controlling input amount of a tap water flocculating agent. The method comprises the steps of obtaining a feedforwad predicted value for the input amount of the flocculating agent through multi-factor feedforward learning prediction of an artificial nerve network, then testing a correspondence curve between flocculating agent adding lag time and water source flow through a reaction curve method, and recording corresponding data every certain time period; searching data which correspond with a (K-1) time point and a (K-2) time point which are related with a K time point, and obtaining three sets of mutually related data; and applying three sets of obtained data into a PID control algorithm, thereby forming a large-lag PID control algorithm for adjusting the feedforward predicted value, and realizing automatic control for the input amount of the tap water flocculating agent. According to the method of the invention, adjustment calculation is performed on the feedforward predicted value through the large-lag PID control algorithm, thereby greatly improving accuracy of the input amount of the flocculating agent, improving control precision for water turbidity before filtering, reducing control residual error, ensuring safe production and smooth operation in a water industry, and realizing energy saving, consumption reduction, personnel number reduction and benefit increase.

The invention provides a management method of digital archives in the power industry and aims to provide management on traditional paper archives in consideration of the special status of the power industry, follow the development trend of digital archives management, enhance construction and utilization of digital information resources and achieve unified management of the traditional paper archives and electronic files. The management method includes the steps of 1, deploying a main program of a digital archives place to a server; 2, allowing access to the digital archives place through an IE (internet explorer) by the aid of the server; 3, integrating a picture client, used for browsing electronic drawings, to software AUTOCAD of a browser terminal; 4, automatically uploading and archiving DWG and Office electronic files for designers; and 5, automatically reorganizing and managing the files to allow convenient consulting of physical files. In the step 5, each file has a QR (quick response) code; before consulting one physical file, a user can know the location of the file just by directly photographing the QR code and scanning on a management terminal in an archives room.

The invention relates to the natural and bionic irrigating, belonging to the water industry field, especially relating to a bionic irrigating machine which can provide water in accordance with the plant growing need for the whole day in the agricultural saving-water irrigation. The invention breaks the traditional intermittent rotation irrigation idea, making use of the physiological characteristic of the crop, the mechanism of the blood supply by the human capillary vessel to the cell and the principle of capillary absorbent, when the crop needs little water, the water entering to soil through line 4 is little; when the crop needs much water, the water entering into soil through line 4 is much, which on the whole reaches a optimum equilibrium state.

The invention discloses a wireless intelligent water meter and a management platform thereof. A magnet is embedded in a mechanical meter body, an acquisition and communication controller is buckled on the shell, and the meter body is independent of the controller in structure, is complementary to the controller in function and is connected with the controller into a whole by adopting a clamping groove. The controller comprises an intelligent triggering unit, a single-chip microcomputer, a plate antenna, an instruction control unit, a self-inspection alarm unit, a communication module and a charging power supply; intelligent triggering, sleep waking and module power-off modes are set up, so that the mini wireless intelligent water meter capable of online measurement, control, alarm and self-inspection is formed. The management platform is used for systematically calculating, analyzing and processing received data and information in real time; a reading, calculation, management and control intelligent solution and an online control means for the management platform, a mobile phone, a tablet personal computer and other remote terminals are formed; the online management is automatically implemented through a wireless network; a water resource internet-of-things big data monitoring platform is formed, so that the modernization level in the water industry is comprehensively improved.

The invention discloses an oil-water separation and recovery device for the catering industry. The device comprises an oil separation tank, a feeding box and a discharge tank, the oil separation tankis respectively connected with the feeding box and the discharge tank through pipelines, the feeding box is higher than the oil separation tank, and the oil separation tank is higher than the discharge tank. The oil separation tank comprises a tank body, a core tube and a filter layer, the filter layer is arranged at the lower part in the tank body, and divides the internal of the tank body into an oil water cavity and a water inlet cavity, the side surface of the upper part of the oil water cavity is provided with an oil discharge port, and the top of the oil water cavity is provided with a gas discharge port; the core tube is inserted into the tank body from top to bottom, the lower end of the core tube is located in the water inlet cavity, the top of the core tube is connected with a downcomer and a siphon tube respectively, the other end of the downcomer is connected with the feeding box, the other end of the siphon tube is connected to the discharge tank, and the highest point ofthe siphon tube is lower than the bottom of the feeding box and higher than the oil discharge port; and the oil-water separation and recovery device further comprises a blow-down tube, one end of theblow-down tube is inserted into the tank body, the other end is bent and then is connected to the highest point of the siphon tube, and the highest point of the blow-down tube is higher than the highest point of the siphon tube.

The invention provides a water industry emergency decision generation method and device. The method comprises: collecting water industry knowledge; wherein the water industry knowledge comprises waterindustry expert knowledge and water industry historical disaster emergency plan knowledge; constructing a water industry knowledge base according to the water industry knowledge; performing contextual case extraction on the current disaster event to generate an emergency case of the current disaster event; and generating an emergency decision of the current disaster event according to the generated emergency case and the constructed water industry knowledge base. According to the method, effective organization and utilization of unstructured experience, knowledge and data in the water industry are realized. Historical process recording of water industry emergency cases can be achieved in a scene mode, meanwhile, historical experience and similar case emergency measures can be combined with scenes to be pushed in a dynamic mode, and a more convenient and accurate information management method and decision-making means are provided for the industry.

The invention discloses an information value chain construction method based on the power industry and a storage medium, and the method comprises the following steps: obtaining each business link of acertain business process, and at least obtaining a business role, a business form, and a business object corresponding to each business link; when a certain business link comprises a business object,establishing a concept entity module of the business link; enabling the conceptual entity module to perform logic description on the business object in a data modeling mode; further refining based onthe conceptual entity module of the service link to obtain each logic entity module corresponding to the service link; wherein the logic entity module comprises attribute information of the logic entity module and inheritance and association relationship information between the logic entity module and other logic entity modules. The platform for constructing the information value chain is provided by combining the architecture model and the information of each business process, and the relationship between the business and the underlying data can be effectively sorted through the informationvalue chain model.

The invention discloses a work medium phase change enthalpy difference sea water temperature difference motor, in particular to a high-efficiency ocean thermal energy motor which relies on the enthalpy difference property when the phases of two work media change at the same temperature and is manufactured for the purpose of utilizing an enclosed circulation device for converting ocean thermal energy into a driving force and a technology thereof. The motor is mainly characterized in that a work medium in an evaporator (19) absorbs heat from surface sea water and then is compressed into a saturated steam by a high centrifugal compressor (1) and then transfers heat to a work medium of a steam turbine (3) with multiple masses in reverse-flow heat exchangers (15) and (14); the work medium of the steam turbine (3) absorbs high-temperature high-pressure steam and then does work; waste steam enters a condenser (5) and is condensed after releasing heat to deep sea water. The motor realizes that a work medium absorbs heat from surface sea water, is compressed, releases heat and is converted into a high-temperature high-pressure work medium and does work which mostly is mostly output as a driving force to the outside world except ensuring the energy consumption of the compressor and the pumping assistant load. The motor can provide driving force required by islands and ocean industries such as sea water industry, undersea mining and metallurgy and the like, and generates powers and provides cheap electrical power.

The invention relates to a monthly self-listing power trading system and a trading method, which belong to the electric power market trading system technology field. The method comprises the steps of user logging in, information publication, power plant listing, power user de-listing, and trade verification. According to the invention, the various trading bodies, for their different types, settle a dealing price through the listing and de-listing manners and according to their actual trading condition as well as the monthly balance mechanism, make adjustment to their power amount. In the invention, a competitive mechanism is introduced, which helps increase the selection right of the power users, developing an effectively competitive market structure and a market system. The power industry becomes more efficient, blazing a new path for the marketing reform of the market mechanism.

The invention elates to an intelligent counter system applied to a circularly polarized near-field antenna of the gold and jewelry industry, which comprises foldable snake-shaped load ultrahigh frequency electronic tags attached to each gold and jewelry product, a fixed near-field antenna installed below a counter in an array mode, a multipath signal acquiring device connected to the fixed near-field antenna and a real-time inventory checking workstation connected with the multipath signal acquiring device, and is characterized in that the real-time inventory checking workstation performs control on the fixed near-field antenna installed below the counter in an array mode, realizes read-write control on the electronic tags attached to objects displayed on the intelligent counter, and stores the information, which comprises stores to which the objects belong, intelligent counter and antenna position information of the belonging stores, whether the objects leave the corresponding counter or not, the starting and ending time of departure of the objects from the counter, and whether the objects are normally sold or not, of the monitored objects to the real-time inventory checking workstation; and the real-time inventory checking workstation can work independently in a local database management system and can also collaborate with a cloud database management system.

The invention provides food grade bearing grease for hydraulic engineering as well as a preparation method and application thereof. The grease composition comprises food grade base oil, a thickening agent and an additive composition. The grease composition comprises the following components in percentage in weight: 84-94% of base oil, 6-16% of the thickening agent, 0.5-10% of an additional antirust agent and 0.1-10% of an additional anti-wear reagent at extreme pressure. The thickening agent is composed of reactants of C16-C20 long-chain fatty acids, aromatic acid and organic aluminum and meets the food grade requirement. The molar ratio of the three raw materials is 1 to 1-1.7 to 1-1.3. The organic aluminum comprises aluminum isopropoxide or triisopropanol trioxide. The bearing grease disclosed by the invention is excellent in anti-wear and extreme pressure property, and the service life of the bearing is prolonged; the water resistance is excellent, the high/low-temperature performance is excellent, and the operating temperature ranges from 40 DEG C below zero to 80 DEG C. The bearing grease disclosed by the invention can meet the lubricating requirements of hydraulic engineeringbearings, and the safety and hygiene requirements in the drinking water industry are met.