239results about How to "Simple operation and maintenance" patented technology

A roof-top parking system and method for automatically parking and retrieving a vehicle on a roof. The system includes a communication system adapted to receive a parking request or a retrieval request, and a vehicle positioning device which positions a vehicle a queuing space on the ground adjacent a building and a parking space assigned to the vehicle on the roof of the building.

The invention discloses a process method for treating coking wastewater and petrochemical wastewater with advanced biochemical and physic-chemical treatment. The method comprises a step of pretreatment, a step of conventional biological treatment, a step of advanced biochemical treatment and a step of materialized treatment, wherein, the step of pretreatment comprises adjustment, oil removal and floatation; the step of conventional biological treatment consists of an anaerobic-anoxybiotic-aerobic activated sludge process, an anoxybiotic-aerobic bio-film activated sludge process or an anoxybiotic-aerobic bio-film process which are performed in sequence; the step of advanced biochemical treatment adopts a filtering stage and a back purging stage which are performed alternately and repeatedly in a biological aerated filter, and the switching of the two stages are executed by an automatic control system; the step of materialized treatment adjusts pH of water treated in the biological aerated filter to be subacidity, adds Fe<2+> salt and H2O2 into the water and stirs to react in an advanced chemical oxidation pond, and then performs an operation mode of neutralization and precipitation. Therefore, final effluent organic substances can be reduced to a lower level, which can completely fulfill the first-grade national effluent standard, and can achieve recycle-water quality through increasing the dosage for the advanced chemical oxidation pond. The wastewater treatment process has simple operation and maintenance, and both BAF and ACO adopt automatic control.

The invention provides a garbage compression leachate comprehensive waste water treatment device and technological method. The device comprises a grille, a waste water storage tank, an ultrasonic Electro-Fenton reactor, an intermediate water storage tank, an ultrasonic vibration film reactor and a vortex vibration film filtration system, wherein the grille, the waste water storage tank, the ultrasonic Electro-Fenton reactor, the intermediate water storage tank, the ultrasonic vibration film reactor and the vortex vibration film filtration system are sequentially connected. The device further comprises a sludge dewatering drying pool which is connected with a vortex energy-saving heat pump flash evaporator of the vortex vibration film filtration system and provided with a circuit connected with the ultrasonic vibration film reactor. Waste water sequentially flows through the grille, the waste water storage tank, the ultrasonic Electro-Fenton reactor, the intermediate water storage tank, the ultrasonic vibration film reactor and the vortex vibration film filtration system for redox reactions and filtration. The device is high in operability, high in regeneration cycle use rate and low in operation cost.

The invention discloses a method and device for realizing inter-board interconnection. By dividing and configuring different VLAN subnets on the uplink port of the service single board, the uplink ports of the service single board are connected to switching units of different main control boards. , and the ports on the switching units of the different main control boards are configured to support all VLAN subnets, so that after VLAN division, the problem of Ethernet loops after cascading multiple switching planes can be solved, the hardware requirements for the equipment It is very low; and when the port fails to switch, it reduces the impact on the service plane and simplifies the operation and maintenance process of the equipment.

The invention relates to a water quality in-situ pre-treatment method in a water source region. According to the method provided by the invention, a water channel is arranged according to a terrain of the water source region by taking a water fetching opening of a water supply plant as an end point, a photocatalytic purification region, a combined ecological floating bed purification region and an aquatic plant purification region are separately arranged along the water channel, and in-situ pretreatment is carried out on an inflow of the water supply plant in the water channel. The water channel is enclosed by isolating barriers, and a block for intercepting garbage and floating plants is arranged at the water inlet end of the water channel. The three purification regions can be combined in adaptation to local conditions. Compared to the prior art, the method provided by the invention effectively couples four in-situ water quality purification technologies: photocatalysis, ecological floating bed, ecological contact oxidation filler and plant repair. The method is simple in structural design, low in material cost, small in interference by construction and operation on the outside world, simple to maintain and manage, free of additional added chemical agents and safe and free of secondary pollution and can be used for effectively improving the inflow water quality of the water supply plant, so that the main water quality indexes are enhanced by at least one grade.

An embodiment of the invention discloses a method, a device and a system for creating bidirectional multicast distribution trees on the basis of an interior gateway protocol, and relates to the technical field of communication. The technical scheme includes that the method comprises receiving a root address of at least one first node and a multicast group range supported by the first node; generating shortest paths from each first node, which is used as a source node, to other nodes according to the corresponding root address and a shortest path tree algorithm, and creating flooding trees according to the shortest paths; determining flooding trees corresponding to various three-layer multicast groups according to three-layer multicast group information and the multicast group ranges supported by the first nodes when the three-layer multicast group information is received, and generating the bidirectional multicast distribution trees for the flooding trees corresponding to the various three-layer multicast groups according to the three-layer multicast group information. The root addresses of the first nodes are transmitted by the first nodes by means of flooding. The three-layer multicast group information is transmitted by edge nodes by means of flooding. The method, the device and the system have the advantage that the problem of complexity in operation and maintenance due to the fact that a PIM (protocol independent multicast) routing protocol and a unicast routing protocol which is an IGP (interior gateway protocol) need to be simultaneously operated and maintained in multipoint-to-multipoint multicast scenes can be solved.

The present invention discloses one kind of link management method for automatic exchange optical network. The automatic exchange optical network includes several nodes. The method includes the following steps: a) establishing the node adjoining relation; b) maintaining the node adjoining relation via transmitting the first message of preset protocol among nodes; and c) transmitting preset protocol message among node with adjoining relation in routing mode to manage the links. Compared with available technology, the present invention maintains the adjoining relation, rather than control passage, and has reduced message interaction, reduced system load and simple link management and maintenance.

The invention belongs to the technical field of air compressors, relates to an oil-free compressor used in a locomotive, in particular to an eccentric block-connecting rod reciprocating piston total oil-free lubricated compressor. The oil-free compressor comprises a motor, cylinders, a piston connecting rod assembly, an air valve assembly, cooling fan and the like, wherein, two cylinders are symmetrically arranged above and below a motor shaft, and can also be arranged at the left and the right of the motor shaft, and the two cylinders are coaxial. Connecting rods are sheathed on the motor shaft by a radial ball bearing and an eccentric block, small top end of each connecting rod is provided with two needle roller bearings with an one-side sealed structure, and a crank-connecting rod mechanism drives a piston to realize reciprocating motion in the cylinders. An air inlet valve, a valve plate and an air outlet valve are arranged between the cylinders and cylinder caps, and the valve plate is of a flat-sheet structure, and is provided with an inlet flow channel and an outlet flow channel. The cylinder caps are provided with air inlet chambers and air outlet chambers. The oil-free compressor has the advantages of oil saving, environmental protection, and simple operation and maintenance.

This invention relates to an anti-blockage inlet water distributor for artificial wetland, which comprises a punched pipe, an anti-shock baffle, a precipitation tank, a grid, a gravel area, and a porous water-distribution perforated wall. The punched pipe is set at the upper part of the water inlet face of the precipitation tank. The anti-shock baffle is in the precipitation tank facing the inlet of the punched pipe. The grid is set at the upper part of the water outlet face of the precipitation tank, and through connected with the water inlet face of the gravel area beside the precipitation tank. The porous water-distribution perforated wall is set at the water outlet face of the gravel area. The water outlet face of the inlet water distributor is set at the outer surface of the porous water-distribution perforated wall. The inlet water distributor can ensure uniform water distribution in all width and depth of the artificial wetland, and ensure normal working of the artificial wetland system.

The invention provides an airtight pressure-charged hot-gas floating platform. The floating platform comprises a lifting system (1), hanging ropes (2), a nacelle (3), a mooring cable (4), a guiding plate (5), a hydraulic winch (6), an anchoring vehicle (7) and a control system, wherein the lifting system is connected with the nacelle through the hanging ropes; the upper end of the mooring cable is connected with the joint of the lower ends of the hanging ropes; the lower end of the mooring cable is mounted on the guiding plate; the guiding plate and the hydraulic winch are sequentially fixed on the anchoring vehicle; and the lifting system (1) comprises a capsule (11), a one-way pressure release valve (12), booster fans (14), heaters (15) and a supercharging member (16). Compared with the prior art, the airtight pressure-charged hot-gas floating platform has the benefits that the capsule is high in rigidity, strong in wind resistance and stable in operation; the manufacturing cost is low, the operation is easy and the maintenance is simple; safety and reliability are achieved, so that the accident incidence is low; and in case of emergencies, such as natural disasters, the emergency response is fast and the mobility is strong.

The invention discloses a phase-lack detecting method used for a three-phase circuit, including the following steps: a. an instantaneous value of the three-phase AC voltage is sampled to get a three-phase coordinate; b. a coordinate conversion is carried out to convert the three-phase coordinate into a two-phase coordinate; c. an amplitude computation for the two-phase coordinate is carried out to get the amplitude; d. the amplitude is compared with a preset amplitude corresponding to the lower limit of a preset voltage range; if the amplitude is less than the preset amplitude corresponding to the lower limit of the preset voltage range, the phase-lack can be judged; if not, the step a is reverted to carry out the phase-lack detecting process again. The invention also discloses an apparatus used for the phase-lack detection of the three-phase circuit, comprising a collecting module, a coordinate conversion module, an amplitude computing module and a detecting module. The method and apparatus of the invention realize the phase-lack detection by a software means and both operation and maintenance are simple and the equipment cost can be reduced.

The invention, which relates to the communication field, discloses an equipment operation and maintenance method and an apparatus thereof. Because it is difficult for operation and maintenance personnel to contact with the communication equipment to be operated and maintained, the operation and maintenance is performed very inconveniently. By using the method and the apparatus of the invention, the above problem can be solved. The method provided in the invention comprises the following steps that: communication equipment receives an operation and maintenance request message sent by a user terminal, verifies validity of the user terminal according to the operation and maintenance request message and determines whether the user terminal possesses an operation and maintenance authority; after the user terminal is determined to possess the operation and maintenance authority, wireless network connection is established between the equipment and the user terminal so that the equipment can acquire an operation and maintenance command sent by the user terminal through the wireless network and execute an operation and maintenance operation. The method and the apparatus are suitable for the communication field and can be used to perform the operation and maintenance to the communication equipment.

The invention provides a system and a method for power line inspection. The system comprises a laser radar system mounted on an unmanned aerial vehicle. Real point cloud data is obtained and processedby the laser radar system mounted on unmanned aerial vehicle so as to provide a data foundation for power line monitoring personnel. The system further comprises a three-dimensional measurement and analysis module. The three-dimensional measurement and analysis module is used for realizing distance measurement and area measurement of any point on the line; measuring coordinate and elevation of each point of the power line, spatial distance between any two points and elevation of any point directly and accurately; and measuring interphase distance of power lines accurately, so as to provide aprecise scale for the manufacturing and mounting of spacer. According to the system and the method for power line inspection, the invention has the advantages that the high-precision laser point cloudand the high-resolution digital image can be rapidly acquired, the operation mode and technical advantages that are not possessed by the traditional mapping approaches are brought to whether the design selecting of the trend of the to-be-built line or the dangerous point inspection of the existing line, line asset management and various professional analysis.

The invention is a tester for high temperature sliding abrasion and thermal contact fatigue material, belonging to the technical field of material processing and friction and abrasion testing, comprising friction auxiliary, pressure regulator, heater, and lubricating device, where the friction auxiliary comprises speed reducing motor, variable frequency speed regulating motor, supporting seat, shaft coupler, distribution gear box, universal connection shaft, machine frame, top friction auxiliary system, bottom friction auxiliary system, and friction piece, where the top friction auxiliary system comprises rotating shaft, bearing base, pressure plate, and top friction piece, the bottom friction auxiliary system comprises right and left rotating shafts, clamping chuck, bottom friction piece and bearing base, the pressure regulator comprises two groups of lift hydraulic cylinders, hydraulic pump, pressure sensing instrument and displaying instrument, the heater comprises induction heating coil, and water cooled system, the lubricating device comprises nozzle, and oil feeding system, the hydraulic system comprises electromagnetic switched electromagnet, and electric contact relay. The advantages of the invention lie in that: the equipment is simple in structure, the number of parts is small, the efficiency is high and the cost is low and it is applied to scientific research and production field simulation.

A device has characteristics as the follows: three cylinders are made of stainless steel as bottom is ground sharp, two handles are symmetrically welded at outside of cylinder wall, transducer is fixed at inner wall by triangle supports as three support points are equipped separately with height adjusting device for scale, stainless steel guide tube is welded on three cylinders wall with tube outer end being flated on outer wall of cylinder, screen casing is set tube opening, one of cylinders has its opening covered by head, sealed with gasket at edge; air hole is set on cylinder wall with windproof casing on it, 24 VDC is for three transducers and data can be automatically collected and processed in the device.

The invention relates to a ceramic catalytic filter element for flue gas purification and a flue gas desulfurization and denitrification integrated dust removal method. The ceramic catalytic filter element is prepared from the following steps that a microporous alumina ceramic filter tube with a pore diameter of 40-80 microns is taken as a matrix; the matrix is immersed in a mixed sol made of zincacetate, and after the matrix is impregnated under a negative pressure, the matrix is roasted to obtain a modified matrix modified by zinc oxide; an equal volume impregnation method is adopted, and the modified matrix is impregnated with an mixed oxalic acid solution containing ammonium metavanadate and ammonium metatungstate, so that total loading mass of V2O5 and WO3 in pores of the matrix reaches 4.0%-6.0% to obtain an active matrix; the active matrix is immersed in a mixed sol made of Al2O3-SiO2-TiO2, the active matrix is dried and roasted after the active matrix is taken out, and a densefilm with a thickness of 0.2-0.6 millimeter and a pore diameter of 1-10 microns is formed on the outer surface of the active matrix to obtain the ceramic catalytic filter element. A denitrification catalyst of the ceramic catalytic filter element has the advantages of being strong in load, high in denitrification efficiency, long in service life and applicable to popularizing and using.

The invention discloses a method for changing an ozone addition sequence in a microbubble ozone-coagulation-air floatation process. The method comprises the following steps of changing the ozone addition sequence in a system pipeline switching way according to water quality characteristics of raw water, namely switching ozone addition before coagulation and ozone addition after coagulation; when the raw water contains abundant non-humus substances, performing ozone addition before coagulation, and when the raw water contains abundant humus substances, performing ozone addition after coagulation. The invention also provides a device for changing the ozone addition sequence in the microbubble ozone-coagulation-air floatation process. The ozone addition sequence is changed by switching two paths of branch pipes on a return pipe, namely ozone addition before coagulation and ozone addition after coagulation are switched. According to the method and the device, sewage is efficiently and deeply treated by virtue of microbubble ozone oxidation, coagulation and air floatation separation, and the ozone addition sequence can be changed according to different water quality characteristics of the raw water, so that the sewage is pertinently deeply treated, and the removal of organisms and suspended matters is ensured.

The invention discloses a device for testing the power frequency follow current intercepting capability of a lightning protection device. The device comprises a power frequency oscillation circuit, a high-voltage impact circuit, a mechanical linkage device, a sampling resistor and a voltage distributing device. The power frequency oscillation circuit comprises a power frequency inductor, a first sphere gap and a power frequency capacitor, wherein the power frequency inductor, the first sphere gap and the power frequency capacitor are sequentially connected. The high-voltage impact circuit comprises a waveform adjustor, a second sphere gap and an impact capacitor, wherein the waveform adjustor, the second sphere gap and the impact capacitor are sequentially connected. The power frequency inductor, the high-voltage impact circuit and the voltage distributing device of the power frequency oscillation circuit are connected with two connecting-in ends respectively in parallel, and one connecting-in end is further connected with the sampling resistor in series. The mechanical linkage device is further connected with the first sphere gap and the second sphere gap, the connecting-in ends are used for being connected with the lightning protection device to be tested. The mechanical linkage device is used for controlling the discharging moment of the power frequency oscillation circuit and the discharging moment of the high-voltage impact circuit by adjusting the distance between the first sphere gap and the second sphere gap and controlling the discharging moment of the high-voltage impact circuit at the set phase moment of the power frequency oscillation circuit. According to the scheme, the test success rate can be improved.

The invention discloses a full-automatic online cantilever wrapping machine which comprises a roller conveyor, a climbing mechanism, a rack, a rocker arm driving device, a membrane frame lifting device, a coping mechanism, a film membrane frame device, a pearl cotton membrane frame device, an automatic film twining and breaking mechanism and an automatic pearl cotton twining and breaking mechanism, wherein the climbing mechanism is arranged under the roller conveyor, and the rocker arm driving device is arranged at the upper part of the rack; the rocker arm driving device is arranged on one side of the rocker arm driving device, and the film membrane frame device and the pearl cotton membrane frame device are respectively arranged on the membrane frame lifting device; and the coping mechanism is arranged on a rotary disk of the rocker arm driving device. The full-automatic online cantilever wrapping machine is combined with electrical automation control through a specially-made wrapping machine wrapping machine structurally and realizes automatic packaging of a packaging film and pearl cotton, and the number of layers of a wrapping film and the number of layers of a stretch film can be set according to accurate actual demand. The full-automatic online cantilever wrapping machine has a reasonable structure, improves the operational performance of equipment, shortens the time delayed due to equipment instability, and improves the production efficiency.

The invention discloses a lifting turnover machine. The lifting turnover machine comprises a machine body, a sliding guide rail, a chain lifting mechanism, a chain tensioning mechanism, photoelectric detection mechanisms, a lifting turnover mechanism, a nylon roller guide mechanism and a two-way delivery mechanism. The lifting turnover mechanism and the two-way delivery mechanism are arranged in the middle of the machine body, the lifting turnover mechanism is disposed above the two-way delivery mechanism, and the nylon roller guide mechanism is mounted on the lifting turnover mechanism through hinges. The chain tensioning mechanism is arranged on the lower portion of the machine body, the photoelectric detection mechanisms are arranged on the two sides of the machine body, the sliding guide rail is mounted on the rear portion of the machine body, the upper portion of the chain lifting mechanism is disposed on the sliding guide rail, and the lower portion of the chain lifting mechanism is connected with the chain tensioning mechanism. The machine is reasonable in structure, simple to operate and maintain and capable of greatly improving the equipment operability, reducing time delayed due to instable equipment and improving the production efficiency.

The invention provides a method for extracting urease from jack beans, and mainly solves the problems of complex process, high inactivation rate of products, low recovery rate and unsuitability for industrial production in the prior art. The method for extracting urease from the jack beans comprises the following steps: (1), extraction; (2), sedimentation; (3), neutralization; (4), microfiltration and (5), ultrafiltration. The method for extracting urease from the jack beans has the advantages of simple process, easiness in operation, low cost, small pollution, high sample recovery rate, capability of reduction of the inactivation rate of the products and facilitation of industrial production.

The invention provides a Prometheus exporter database monitoring system. The system comprises a factory class (generating different database index collectors), an interface realized by the factory class (obtaining indexes and exposing the indexes to a prometheus registry), different database index collector classes and different database index specific parameter value grabbing logic (similar to the existing open source exporter, capable of being modified as required). The factory class generates different index collectors, and the exporter end is separated from a plurality of target ends by connecting the public interface with the target ends to obtain parameter values. According to the invention, the index monitoring of the multi-target dynamic target can be realized by only deploying oneDB Exporter. The conditions of resource occupation and excessive processes of the target end are avoided. The problem of mirror image generation or docker frequent deployment does not need to be considered. The later operation and maintenance are simple.

The invention discloses an evaporative cooling air-conditioning system for a data center based on an air-cooling and water-cooling composite unit. The system comprises a water-side evaporative coolingunit, an air-side evaporative cooling unit and a data center machine room unit communicated with the air-side evaporative cooling unit, wherein the data center machine room unit is connected with thewater-side evaporative cooling unit through a secondary-side liquid supply pipe and a secondary-side liquid return pipe, and a secondary-side circulating water pump is arranged on the secondary-sideliquid supply pipe. According to the air-conditioning system, the air side evaporative cooling technology and the water side evaporative cooling technology are effectively combined together, room-level cooling is conducted on a data center in an air cooling mode, chip-level cooling is conducted on a chip of a server in a water cooling mode, and therefore, energy consumption of the data center is reduced.

The embodiment of the invention discloses a safety state expression method and system based on access relations. The safety state expression method and system are applied to improvement of security attributes of access nodes and access relations, so that the straightening availability of the access relations is improved, and the operation and maintenance are simplified. The embodiment of the method comprises the steps that all access relations are collected; the access nodes in the access relations are determined; the security attributes of the access nodes are determined, and the security attributes of the access nodes are expressed through first characteristics; the security attributes of the access relations are determined, and the security attributes of the access relations are expressed through second characteristics; through lines and arrows, the access nodes are connected, the visual access relations are formed, the lines express the access relations, and the arrows express access directions. The embodiment of the invention further provides the safety state expression system based on the access relations. The system is applied to improvement of the security attributes of the access nodes and the access relations, so that the straightening availability of the access relations is improved, and the operation and maintenance are simplified.

The invention relates to a preparation method of an electroplated cadmium coating for metalwork, belonging to the field of chemical industry, and comprising the following steps of: degreasing and cleaning metalwork to be electroplated by an ultrasonic cleaner, then finely sanding the metalwork, cleaning the surface of the metalwork with clear water and alcohol in sequence, drying the metal surface to remove the alcohol from the surface of the metalwork; and electroplating by a plating solution composed of cadmium sulfate, nickel sulfate, potassium hydroxide, a complexing agent and an auxiliary complexing agent. The preparation method provided by the invention has the advantages that the metalwork is easy to treat, the formula of the plating solution is simple, operation and maintenance are easy, harmful substances such as cyanogen and the like are not contained, and environmental protection is benefited. In addition, the bonding quality between a plated coating and a substrate is good without cracking or damage.

The invention discloses an electrode bio-membrane reactor capable of synchronously removing nitrate and hexavalent chromium in water. The electrode bio-membrane reactor comprises a cylindrical reactor body; the bottom of a cylindrical water collector is arranged in an internal fixed block; small holes are formed in the wall of the lower part of the cylindrical water collector; the bottom of a cathode material ring is arranged between the internal fixed block and a middle fixed block; the bottom of an anode material ring is arranged between an external fixed block and the inner surface of the reactor; a water bath jacket is arranged on the outer part of the cylindrical reactor body; a circular plate is arranged on the upper part between the water bath jacket 1 and the cylindrical reactor body; the upper end of the water bath jacket is connected with a cover body in a sealing manner; biological carriers are arranged in the small holes in the surface of the cylindrical water collector movably; and biological carriers are arranged between the cathode material ring and the anode material ring. The reactor can promote the contact between pollutants and microorganisms. The cost is low, and secondary pollution is reduced. The electrode bio-membrane reactor has a simple structure, is convenient to operate and easy to run and maintain. The electrode bio-membrane reactor can synchronously and efficiently remove composite pollution nitrate and hexavalent chromium.

The invention discloses a dynamic monitoring, dredging and drainage guiding method for the back water pressure and flow rate of a tunnel lining. The dynamic monitoring, dredging and drainage guiding method for the back water pressure and flow rate of the tunnel lining comprises the following steps that seeping water on the back of the lining is guided by a plurality of guide pipes of an annular drainage pipe to enter a main drainage pipe, then enters a longitudinal drainage pipe through the main drainage pipe and is discharged out of a tunnel through the longitudinal drainage pipe; and when the interior of the longitudinal drainage pipe is blocked, a flow rate sensor and a pressure sensor send out an abnormal signal, and then acting force is applied to rotors in a dredging structure to enable the rotors to move in the longitudinal drainage pipe in a fixed direction so as to push sewage in the longitudinal drainage pipe to a sewage discharging structure, so that the longitudinal drainage pipe is dredged. Water pressure and flow rate monitoring systems are distributed in the length direction of the longitudinal drainage pipe and corresponds to the rotors in position, so that regionalmonitoring and dredging of the tunnel are realized, a silted section can be accurately positioned and dredged in time, and operation maintenance of the tunnel can be realized more easily.

All cable output from solar cell faceplates setup on building roof are led in termination rack connected to output sockets in building. Connection cables are connected to output sockets at backside. Each solar cell faceplate is connected in serial, and cables to convectors are connected to two ends of the said cascaded solar cell faceplate. Thus, connection and operation at backside of solar cell faceplate can be omitted. Zone of aeration for heat release is formed between solar cell faceplates and faceplates of building roof. Cables through the said zone of aeration are collocated to house from roof. House is faced to south within 30 degrees in order to guarantee stable power supply. Advantages are: easy of installation and reconditioning, preventing lowered conversion ratio, not easy influenced by environment and providing stable electrical power.

The invention relates to a method for analyzing user operations comprising following steps: (1) determining an analyzed user; (2) imbedding points in pages; (3) collecting logs; (4) storing logs in a HDFS distributed file system; (5) distributed summary calculating; (6) presenting results. The method of the invention supports websites having mass (billion-level per day) page views, timely presents data such as website views and click rates, and supports detail data query per millisecond. The method of the invention is completely based on the open source software development; common pcserver and common sata hard disk are used; the system structure uses the redundant design so that the data will not be lost even if any data node or disk crashes. The method of the invention realizes automation in every link, supports graphical monitoring, and has simple operation and maintenance.

The invention discloses a method for recycling naproxen resolution solvent, resolving agent and by-product by the overgravitational field. A solution containing a resolution solvent, a resolving agent such as N-n-octylglucamine, and by-product such as L-naproxen and L-naproxen N-n-octylglucamine salt after the separation of D- naproxen N-n-octylglucamine salt is firstly added in a overgravitational revolving bed for recycling resolution solvent, then the residual solution is diluted by water, the pH value is adjusted to 7 to 12, the resolving agent is recycled, the mother liquor is concentrated, the alkali C is added, the D,L- naproxen salt is obtained by the racemization reaction. The method adopts the overgravitational revolving bed to recycle the resolution solvent, the process is simple, the whole process is safe, steady and reliable, the operation and the maintenance are simple, the runing cost is greatly reduced, at the same time the production efficiency is improved; the obtained methanol is uniform, the recovery rate of the resolving agent and the D,L- naproxen salt is high, the obtained resolution solvent, resolving agent and D,L- naproxen salt can be directly reused, thus being resource-saving and having obvious environment benefit and social benefit.