1386results about How to "Easy maintenance and management" patented technology

The invention discloses a distributed user access system and a distributed user access method. The system is positioned between a core network and a service network and comprises flow dividing equipment, and a plurality of user access gateways arranged in a distributed manner, wherein the flow dividing equipment is connected with the core network and is used for collecting data packets transmitted by a user terminal and redirecting the data packets to the corresponding access gateways according to the protocol types and preset forwarding policies of the data packets; and the plurality of useraccess gateways are connected with the flow dividing equipment and a corresponding service server, serve as epoxy nodes to initiate service requests corresponding to the data packets to the service server, and transmit service responses fed back to a user terminal through the flow dividing equipment and the core network. In the distributed user access system and the distributed user access method, which are disclosed by the embodiment of the invention, the functional entities are distributed separately and a uniform coordinated scheduling mechanism of the functional entities is established, so the flexible arrangement of a distributed user access mode is realized and the service expansion and post management and maintenance are facilitated.

The invention discloses a credible block generation method, comprising the steps that a block generation node packages transaction data in preset time, generates a new block according to the packaged transaction data and signs the new block according to own identifier of the block generation node; the block generation node sends the new block and own identifier to a verification node; and the verification node verifies a signature according to the own identifier of the block generation node and verifies the transaction data of the new block according to a transaction identifier, and if the verification is successful, the new block is added to a block chain. According to the block generation method provided by the invention, the transaction confirmation time can be reduced, the new block is generated rapidly, and the credible block generation node is convenient for maintenance and management.

A harmless treatment technology for separation and recovery of oily sludge comprises the following steps: 1, conveying the oily sludge to a high solid content treatment device, carrying out preliminary screening on large granule impurities in the oily sludge, and conditioning the sludge; 2, conveying pre-conditioned oily sludge to a three-phase centrifuge, and separating oil, water and mud in the oily sludge; 3, conveying the obtained separated liquid to an oil-water separation device, and further carrying out oil and water separation; 4, inputting the obtained oil phase to an oil storage tank, and inputting water to an oily wastewater advanced treatment system; 5, conveying the obtained solid phase sludge transported to a thermal desorption device, and carrying out heating curing separation and condensation oil-water separation in a thermal desorption treatment process; and 6, conveying water output by the oil-water separation device and water output by the thermal desorption device to the oily wastewater advanced treatment system, and carrying out advanced oil-water separation. The method has the advantages of low cost oily sludge treatment cost, convenient maintenance and management, high efficiency and good stability.

The invention relates to a method for constructing an agricultural drainage and ecological purification system. The method comprises the following steps that: an elliptic ecological buffer area is formed at the tail end of an agricultural drainage channel and before an agricultural drainage culvert pipe; aquatic plants which can easily absorb N and P nutrient elements are planted in the ecological buffer area; an agricultural drainage ecological purification barrel is arranged in the agricultural drainage culvert pipe; a biological purification ring is arranged on the ecological purification barrel; water drained out of a farmland flows through the ecological buffer area by the agricultural drainage channel; certain suspended pollutants are settled and intercepted by staying for a certainperiod of time in the ecological buffer area to achieve a preliminary water purification effect and the effect of controlling the flow rate and the retention time; and larger suspended sundries are further intercepted by a wire mesh at the front end of the agricultural drainage ecological purification barrel before the water drained out of the farmland flows into the agricultural drainage ecological purification barrel to ensure that the inside of the purification barrel cannot be blocked. The method has the advantages that: the N and P nutrient elements in the water drained out of the farmland is effectively reduced by an ecological method in combination with the construction of the agricultural drainage culvert pipe, so that a receiving water body is prevented from being eutrophicated.

The invention discloses a fragmentation separation process flow for an end-of-life automobile body. The fragmentation separation process flow for an end-of-life automobile body can realize that an end-of-life automobile body is gradually fragmented into fragments having preset sizes by a two-step fragmentation method so that follow-up material sorting and recovery can be carried out conveniently. A sorting process of the fragmentation separation process flow for an end-of-life automobile body realizes separation and recovery of light materials, magnetic metal materials, non-ferrous metal materials, micro-powder materials, glass, rubber and plastic obtained by automobile body fragmentation by targetedly and orderly carrying out negative pressure-cyclone separation, magnetic sorting, eddy current sorting and drum screening according to material composition of the end-of-life automobile body. The fragmentation separation process flow for an end-of-life automobile body has the advantages of high automation degree, low noise, no dust, no exhaust gas, friendly work environment, high equipment sorting classification efficiency, simple and flexible configuration, and convenient management and maintenance. The fragmentation separation process flow for an end-of-life automobile body is a novel process flow used for an automobile disassembly industry of China.

The invention relates to a lifting touch screen shoe-selection intelligent shoe cabinet (room) which comprises a shoe cabinet body, an elevator mechanism, a computer control system, a touch display screen, a camera and the like. The inside of the shoe cabinet body is of a multilayer stereochemical structure which is of a shape of a Chinese character ''fei''; the elevator mechanism is positioned at the middle part of the stereochemical structure which is of a shape of a Chinese character ''fei''; each layer is provided with two rows of shoe placing units; a cabinet door is arranged at the right front side of the shoe cabinet body; the middle part of the cabinet door is also provided with a window for storing and taking shoes and a window door which is controlled by the computer control system to be opened and closed; and the touch screen display screen is arranged above the window door. The lifting touch screen shoe-selection intelligent shoe cabinet (room) has high shoe storing and placing speed, is simple and convenient to operate and is stable and reliable; when being stored and placed, the shoes are very conveniently selected only by overturning the touch display screen to visually display related information such as shoe pictures, the empty and full condition and the like; and the automatic storage and placement of the shoes can be implemented by touching the screen. The lifting touch screen shoe-selection intelligent shoe cabinet (room) has functions of detecting whether the shoes enter the elevator mechanism when the shoes are stored and analyzing the shapes of the shoes; and once the shoes are automatically sensed, the elevator mechanism is immediately started to take in the shoes and the shoes are automatically sorted and numbered to be stored according to the types of high boots, middle boots and common shoes.

The invention discloses a device, a system, and a method for implementing ID authentication.. Based on the prior ID authentication technique, the binding of the user ID and the user equipment is implemented by means of the measurement certification or the ID authentication, or the attack to the user ID is blocked by means of the combination of the measurement certification and the ID authentication, so that the security of the ID authentication is improved, the benefit of the authorized user is protected and the problems of man-in-the-middle attack and session hijack are solved. Furthermore, the ID authentication system is compatible to various prior ID authentication systems, works without needing to modify the prior ID authentication system, reduces the investment cost, facilitates the management and maintenance, and greatly improves the security of the ID authentication system.

The invention relates to a dc cophase power supply device of a railway traction based on symmetric transformation of three-phase serial voltage sources. The full three-phase input voltages are divided into a plurality of independent lower voltages to form power units, thereby recombined adjusting resource is formed. A single-phase ac output is formed by serial superposition after the rectification-energy storage filter-inversion transformation of each power unit, a negative sequence current is eliminated, the power factor is improved and the harmonic wave is eliminated by using multiple principles of the input and the output. The device can realize the cophase power supply of a railway traction, make fully use of the capacity of the circuit and device, reduce the damage to the power supply system from the reactive current and harmonic wave, decrease the loss, reduce the pollution to the environment, greatly improve the reliability of train and reduce the operation, management and maintenance cost. The device is convenient to apply, and is suitable for requirement of high speed and overloading development.

The invention discloses a multi-point water inlet aeration anoxic-aerobic high-efficient nitrogen and phosphorus removal method. The method sequentially comprises the following steps of: (1) introducing sewage to be treated into a grille regulating tank through a water inlet pipe; (2) dividing the water after pretreatment by the grille regulating tank into two lines, wherein one line leads to an aeration tank and the other line leads to an anoxic tank; (3) sending the water in the anoxic tank into an aerobic tank; (4) dividing nitrified water after nitrification treatment in the aerobic tank into two lines, wherein one line returns to the anoxic tank, and the other line flows into a precipitation tank to perform mud-water separation; and (5) lifting sludge through a sludge lifting device, transporting the residual sludge to the outside through a sludge discharge pipe after passing through a sludge treatment system, and returning the sludge after lifting into the aeration tank. The method disclosed by the invention is suitable for new and transformation upgrading projects of high-ammonia nitrogen village and small town/industrial sewage treatment works, has the advantages of simplicity and convenience in management and maintenance, low cost, good treatment effects, strong nitrogen removal effect and the like, and is less affected by climatic conditions.

The invention discloses a device and a method for processing restaurant wastewater. A ferrallitic sheet is used as an anode and a graphite sheet is used as a cathode to carry out pulse direct current electrolysis on the restaurant wastewater so as to cause an electrocoagulation reaction; simultaneously ultrafine ozone bubbles are fed into an electrocoagulation reaction region to strengthen the electrocoagulation reaction, so that ferrous irons Fe2+ generated in the electrolysis process is rapidly converted into ferric irons Fe3+, the volume of flocculate becomes larger and the flocculate precipitates more efficiently to remove most of pollutants in the wastewater; sludge generated in the electrocoagulation process enters an activated sludge reactor and a sludge concentrating and extruding device; and clear water containing a little amount of organic matter enters an aeration-ozone-ultraviolet combined treatment degradation tank and a photocatalyst micro filtration membrane, and finally outflows through a fine porous sand filtering tank. The produced water can reach the primary standard in the industry. The processing method has high impact-load resistance. The outlet water quality is stable. In the engineering, consumables have long service life. Therefore, the processing cost of the restaurant wastewater can be greatly reduced.

The invention discloses file synchronization method capable of accurately monitoring file changes in a catalog folder. The file synchronization method capable of accurately monitoring the file changes in the catalog folder is used for synchronizing the file changes in the catalog folder of a first terminal with a second terminal. The file synchronization method capable of accurately monitoring the file changes in the catalog folder comprises a first step of starting a monitoring thread on the first terminal, wherein found and obtained changing information of changed files is stored in a chain table in sequence by the monitoring thread, and a position point of each changing information is recorded in the chain table by means of change array, a second step of opening a notifying thread at regular time, wherein the notifying thread captures and analyzes team head changing information at the head of the chain table according to the position points, and stores the team head changing information which does not belong to filtering files in a synchronizing dictionary, a third step of starting a working thread, wherein changing information in the synchronizing dictionary is synchronized to the second terminal one by one, corresponding information among change arrays, the chain table and the synchronizing dictionary are eliminated, and repeating the second step and the third step till the changing information in the chain table does not exist. The file synchronization method capable of accurately monitoring the file changes in the catalog folder has the advantages of improving the efficiency of file monitoring, and being high in accuracy of file synchronization.

The invention provides a method, a device and a system for sharing a storage pool by a cluster. The method comprises the following steps of: configuring a global file system (GFS) to be shared by the cluster based on a storage area network (SAN), and processing reading-writing operations of each client node in the cluster in parallel; and mounting a part of subareas in the global file system to a local server for the reading-writing operations according to needs by using each client node in the cluster. In the method, a network level high-efficiency data sharing way is provided, the parallel file reading-writing of a plurality of users is supported, and flexible online capacity expansion and data equilibrium distribution technologies are supported.