199results about How to "Simple maintenance and management" patented technology

The invention relates to a high-tension transmission line monitoring method on the basis of wireless communication and photo-communication for overcoming the faults of limited functions, small band width, high running cost and low reliability in the prior art. The method comprises the following steps: 1. setting wireless monitoring nodes on the transmission line towers; selecting a particular tower along the line at an interval of 20-30 kilometers as a convergent point tower and simultaneously installing wireless monitoring nodes and photo-communication nodes on the convergent point tower and transforming plants on the two ends of the line; 2. the wireless monitoring nodes acquiring monitoring data, the wireless monitoring nodes of the towers in the area where the convergent point tower locates transmit the monitoring data to the photo-communication nodes on the convergent point tower by using a multi-hop forwarding method, each photo-communication node transmits the monitoring data to a monitoring center by using a multi-hop forwarding method. According to the invention, information monitored by thousands of sensors installed on towers of each level can be transmitted back to a junction centre for realizing the real-time monitoring of the whole high-tension transmission line.

The invention discloses an integrated advanced water treatment method by ultrafiltration membrane coagulation/ adsorption/biological reactor and a device thereof. In the invention,, in which the coagulation, the adsorption and biological reaction is combined and completed in a same reaction cell. Raw water enters the ultrafiltration membrane coagulation/ adsorption/biological reactor; activated sludge microorganism in the reactor biologically degrades ammonia nitrogen and organic matters with low molecular weight in the water; a coagulant-adsorbent adding system adds coagulant and adsorbent in the reactor to remove the organic matters with medium and high molecular weight and phosphorus; at last, the immersion ultrafiltration membrane components arranged in the reactor carries out the solid-liquid separation to prepare drinking water with excellent quality.A perforated aeration pipe is arranged on the lower part of the reacted to be connected with a sludge discharge pip to discharge the residual sludge in the reactor regularly. In order to ensure the membrane flux, a membrane reverse washing system carries out the reverse washing for the ultrafiltration membrane components regularly.The invention combines the coagulation effect, the absorption effect as well as the biological effect and ultrafiltration physical interception effect together so that the manufacturing cost and operation cost are remarkably reduced, while the invention is a novel process with the advantages of high efficiency, energy saving, convenient maintenance and management of advanced purification of the drinking water.

The invention discloses a non-cured rubber asphalt waterproof paint. The preparation technology of the paint comprises the following steps: heating the asphalt to 140 DEG C, loading the heated asphalt into a stirring tank, adding a softening agent, rubber powder, and polymer, stirring for 30 minutes, heating to 160 DEG C, delivering the mixture to a colloid mill to grind the two edges, heating to 190 DEG C, adding a special additive, stirring for one hour, cooling to 160 to 170 DEG C, adding an auxiliary agent, stirring for one hour, adding a filling material, stirring for one hour, and finally discharging. The paint solves the problems of waterproof layer fracture due to the cracking stress, which is transferred from the basic layer to the waterproof layer, and the accelerated aging due to the flexural fatigue and high stress state of the waterproof layer. Moreover, because of the cohesiveness of the paint, the capillary pores and cracks in the basic layer can be perfectly sealed by the paint, thus the problem of water leaking in the waterproof layer is solved, and the waterproof reliability is greatly improved.

The method for solving the technique and management difficulties in implementing single time login between systems in current technology comprises the steps of: in term of the mapping relation of user ID saved in local system, a first system get the ID information of logged-in user saved in a second system and generates an ID signature; said ID signature is carried by a request message of said user for logging in the second system; the second system authenticates the user in term of the ID signature. The invention also discloses an authentication system.

The invention discloses a linkable distributed network intrusion detection method based on behavior description, which achieves the real-time detection of abnormal flow in a network and timely makes a response by applying methods of the network behavior description and the feature extraction in a distributed detection system and linking with a fire wall, particularly comprising the steps of (a), a detection unit operation process and (b), a master control platform operation process: applying a detection strategy based on the behavior description on distributed detection units to effectively organize the distributed detection units to be an efficient organic whole, thus avoiding the low efficiency and the dispersibility of the existing system scheme, wherein the aim is to solve the low efficiency of the abnormal flow detection on a large network in the practical application and improve the whole detection ability and the protection effect of the detection system for the network.

The invention discloses an optical access network, and a method, a system and an apparatus for backuping an optical line terminal. The system comprises the optical line terminal and an optical divider, wherein the optical line terminal is used for detecting a connection state of the optical line terminal and an opposite end optical line terminal through the communication of the optical divider and the opposite end optical line terminal when the apparatus is in a backup state, and performing main backup state control and main backup data synchronization according to the connection state; and the optical divider is used for communicating an main backup optical line terminal with virtual optical network units in each optical network unit and the optical line terminal. The invention causes a virtual ONU to be responsible for communicating with the backup OLT corresponding to the OLT through integrating the virtual ONU in the OLT, thereby realizing data communication between the OLT fault detection and the main backup OLT, further realizing rapid and reliable data communication functions between the main backup OLTs, and rapidly realizing the switch between the main backup OLTs when the main OLT has the fault.

The invention relates to a process for purifying L-phenylalanine. The process comprises the following steps of performing membrane separation treatment on the fermentation liquor of L-phenylalanine in a ceramic membrane system, performing ion exchange treatment in an ion exchange system, performing ultra-filtration treatment, performing nanofiltration treatment and performing circulation filtration respectively; and when the content of phenylalanine in a residual solution reaches 0.1 percent, removing the residual solution to obtain a solution of phenylalanine. The process has the advantages of reasonable process combination and low investment and operational cost; and by the method, bacteria in the concentrated solution of the ceramic membrane can be appropriately treated, and an aim of changing wastes into valuables is fulfilled.

The invention belongs to the technical field of water resource environment protection and discloses a biological retention device for controlling rainwater non-point pollution on two sides of river channel and a design method of the biological retention device. The biological retention device is characterized in that the rainwater sand settling wells of the device are communicated with biological retention belts through overflow ports; each biological retention belt sequentially comprises a water storage layer, a planting soil layer, a sand filtering layer, a gravel layer and an original soil layer which are laid from top to bottom; a geotextile layer is laid between each planting soil layer and the corresponding sand filtering layer, and a geotextile layer is laid between each sand filtering layer and the corresponding gravel layer; an impermeable membrane layer is laid between each gravel layer and the corresponding original soil layer; water-permeable blind pipes are inserted in the bottoms of the gravel layers and communicated with rainwater inspection wells excavated in one side of the biological retention belts. The biological retention device has the advantages that the device is simple, high in flexibility, unlimited by sites, small in size, applicable to different regions of a city, and the like; meanwhile, the device is a small ecological system and can beautify environments and relieve the heat island effect of the city.

The invention discloses a treatment device for realizing electroplating wastewater zero-release by a circulated spraying method, which is capable of reclaiming plating solution from a coating bath in 100 percent without generating wastewater, and ensures all rinsing water can be completely reclaimed. The device consists of a circulated spraying system device, a circulated rinsing system device, an outlet tee valve and an inlet tee valve, wherein the two systems are connected by the outlet tee valve and the inlet tee valve; the circulated spraying system device comprises a circulating pump, a spray bath, a nozzle and a connecting pipeline; the circulating pump is connected with a pipeline of the nozzle, and the pipeline of the nozzle is fixed above the spray bath. The circulating rinsing system device consists of n rinsing baths, the circulating pump, a water outlet tee valve, a water inlet tee valve, a liquid level meter, a conductivity meter, a water outlet valve and a filler, wherein the numerical value of n is between 5 and 30; the n rinsing baths are connected in series; and the liquid level meter is arranged in a first stage rinsing bath, the conductivity meter is arranged in the nth stage, while the nth stage rinsing bath is provided with a water outlet.

An eutrophication water body in-situ electromagnetic coupling flocculation precipitation device comprises a storage battery, a solar cell panel and a buoy connected with the solar cell panel. The solar cell panel is connected with the storage battery, a sewage pump, a sludge pump, the storage battery, an air compressor and a magnetic seed feeder are arranged on the upper portion of the buoy, the sewage pump, the sludge pump, the air compressor and the magnetic seed feeder are connected with the storage battery, a flocculation reaction zone is arranged in the middle of the buoy, a sludge settling zone is located below the flocculation reaction zone, a precipitation separation zone is located at the two sides of the sludge settling zone, an eutrophication water body outside the buoy is pumped into the flocculation reaction zone through the sewage pump, the flocculation reaction zone is provided with multiple pairs of anodes and cathodes which are used for electric flocculation, a perforated pipe sparger which is connected with the air compressor is installed on the lower portion of the flocculation reaction zone, the magnetic seed feeder is used for feeding magnetic seeds into the flocculation reaction zone, and powerful magnets are installed on the two side surfaces of the sludge settling zone. According to the eutrophication water body in-situ electromagnetic coupling flocculation precipitation device, the running cost is low, the maintenance is simple, pharmaceutical pollution and solid waste are not produced, the magnetic seeds are easy to recycle, and concentrated sediment can be used as fertilizer directly.

The present invention relates to communication technology, and the comprehensive phonetic, data and video service system includes phonetic gateway module VPM, data video dedia processing module DVPM, routing module RPM, calling and service processing server module CPS and Etherent exchange module Lanswitch connected via bus to constitute one integrated media communication system. The calling and service processing server module CPS is used as the system management and control center for the initial configuration and service management control of the modules, and the Ethernet exchange module Lanswitch completes the interconnection of the modules and the transmission and exchange of management information and service data. The present invention integrates phonetic, data and video parts into one equipment in integrated structure, and the whole system is easy to manage, flexible in configuration and simple in networking.

The invention discloses a method for enhancing the denitrification of a subsurface flow constructed wetland by adding an alkali-heat-treatment maize straw carbon source, and belongs to the technical field of the sewage treatment of constructed wetlands. The method comprises the following steps of (1), using maize straw as a raw material, cutting the maize straw into equal-length small segments, washing the equal-length small segments by using water to remove dust, drying the equal-length small segments, proportioning the equal-length small segments according to a solid-to-liquid ratio of 1 to 30 by using a 1 percent NaOH solution, heating an obtained mixture for 1h at a constant temperature of 90 DEG C in a water bath, taking out the mixture, and drying the mixture to a constant weight; (2), carrying out a static release experiment on alkali-heated maize straw carbon source, determining the carbon source release amount and the nitrogen source release amount of the alkali-heated maize straw carbon source through a fitted curve, and calculating the addition amount of the carbon source in the wetland according to that the ratio of the influent COD (Chemical Oxygen Demand) concentration, the TN (total nitrogen) concentration and the influent flow of the subsurface flow constructed wetland to C/N (carbon/nitrogen) of sewage is equal to 7 to 1 is an optimal carbon nitrogen ratio; (3), adding the alkali-heated maize straw carbon source at the bottom of a soil layer and at the upper part of a gravel layer of the wetland according to the configuration and the running mode of the subsurface flow constructed wetland. By using the method for enhancing the denitrification of the subsurface flow constructed wetland by adding the alkali-heat-treatment maize straw carbon source, the TN removal rate of the subsurface flow constructed wetland is increased by 31.07 percent.

The invention relates to a water purification system for artificial wetland based on oyster shell and carbon fiber. The system includes along the direction of water flow placed in sequence a water inlet grille tank, an anaerobic tank, an anoxic tank, a first grade aerobic digester, a second grade aerobic digester, an artificial wetland, a water outlet grille tank; inside the anaerobic tank and the anoxic tank are placed with oyster shell active sludge reactive barriers, inside the first grade aerobic digester and the second grade aerobic digester are placed with carbon fiber biofilm reactive barriers, the first grade aerobic digester and the second grade aerobic digester are both connected with an aeration device, the artificial wetland whose top part is planted with aquatic plants includes a sand feeding processing layer, an oyster shell feeding processing layer and a gravel feeding processing layer placed in sequence from the top to the bottom. The present invention also relates to a water purification system for artificial wetland based on oyster shell and carbon fiber. The present invention not only solves the low efficiency problem in nitrogen and phosphorus removal in sewage treatment system, but also lowers the infrastructure and operation costs of sewage treatment system to about half of the operation cost of routine biochemical treatments; it belongs to the technical field of sewage treatment.

The invention provides a water quality safeguard system and a water quality safeguard method for a drinking water reservoir. According to the water quality safeguard system and the water quality safeguard method, an automatic water quality monitoring mechanism, a water inflow regulating and controlling mechanism, a reservoir area water ecology mechanism and a water outflow regulating and controlling mechanism are adopted to treat raw water which flows from a river channel into the reservoir. The water quality safeguard system and the water quality safeguard method, provided by the invention, have a wide application range, play a favorable role in water qualification and water quality safeguard of drinking water reservoirs in plain and mountain areas, have the advantages of high water quality safeguard property, good water qualification effect and high water supply safety, reflect the concepts of ecological preservation, low carbon, environmental protection and the like, have high economy, high practicability and wide applicability, are especially suitable to popularize and apply among drinking water reservoirs with unstable raw water quality, long water retention time, eutrophication risks, low water supply assurance rates and emergency water storage functions.

An oil-electric combined charge long-distance all-electric ship with storage battery is disclosed, a pilothouse of a ship body is inside provided with a console, an electric propulsion device is arranged at stern, a battery pack is mounted at the bottom of the ship body, and the ship body is also provided with a thermoelectric generating set that is connected with a distribution board having a rectifier. By mounting the battery pack and the thermoelectric generating set on the ship, the invention can utilize two energies including shore power and high energy fuel, and can sufficiently utilize clean energy at locations where the shore power is present, in order to reduce smoke dust, noise, odor and oil/water pollution and to improve working environment on the ship. The invention regards the high energy fuel and the shore power as a composite energy to achieve energy balance, forms a ship electric station with the storage battery centered in a charging way in order to realize full-power propelling, and integrates the advantages of storage battery electric ship and traditional internal combustion engine ship with a view to double index of environment protection and energy conservation as well as endurance. The invention has the characteristics of accuracy control, high endurance, environment protection, energy conservation, and simple and convenient management and operation, and is the electric ship similar to oil-electric hybrid electric vehicle.

A routable virtual exchange method includes confirming priority level for carrying out exchange and route processing on one interface , waiting arrival of device interface data message , checking legality of data message and discarding error data message if it is illegal , carrying out exchange processing according to confirmed processing priority level and message identification for entering to virtual local network , or carrying out identification and processing according to three layer route carried by data packet , not discarding message after its processing course being carried out firstly is failed but carrying out low priority level course processing for it .

The invention relates to a dust remover, in particular to a double-layer filter material dust remover, which comprises a casing, a filter layer, a dust-containing gas inlet, a purified gas outlet, a back flowing gas inlet, a back flowing gas outlet, an upper layer filter material outlet and inlet and a lower layer filter material outlet and inlet, wherein the filter layer is positioned in the casing and consists of double-layer filter materials, the upper-layer filter materials are light and coarse, the lower-layer filter materials are heavy and fine, the upper-layer filter materials are expanded perlite particles with the particle size being 1 to 5mm and the volume weight being 65 to 75kg/m<3>, the lower-layer filter materials are marine sand with the particle size being 0.5 to 0.8mm and the volume weight being 1500kg/m<3>, the casing adopts heat-resistant steel, and the heat-resistant temperature can reach 900 DEG C. The dust remover has the beneficial effects that the dust remover realizes the high temperature resistance, the reliability is high, the durability is realized, and the maintenance and the management are simple.

The present invention provides a motor assembly, including: the motor assembly, its stator and rotor, rotary driving force;Reducer assembly, its has the planetary gear set and the reverse gear set, among them, the planetary gear set described a driving force for the rotation of the motor assembly described for the first time to slow down or increase torque, described in the reverse gear set connected to the planetary gear set described a driving force for the rotation of the motor assembly described in the second deceleration;Wheel hub assembly, gear reducer assembly connection with the stated, put in the reducer assembly of reduction or increase torque rotary driving force transmitted to the wheels of the vehicle, and has described with different rotor axis of rotation for the center of the wheel hub inner ring and accommodate stated wheel outer circle and the fixed support;And the steering knuckle artifacts, described the motor assembly, described in the reducer assembly of fixed support, and described the wheel hub assembly through the support bar and lower arm in the body.

The invention relates to an unpowered biological filtration tower, which belongs to the technical field of water treatment equipment. The unpowered biological filtration tower comprises a tower body, a water inlet pipe, a water outlet pipe, a water distributor and a filter material layer, wherein the water inlet pipe and the water outlet pipe are respectively arranged on the upper part and the lower part of the tower body; the water distributor is arranged on the upper part in the tower body and is connected with the water inlet pipe; the filter material layer is filled in the tower body and is positioned below the water distributor; the top part of the tower body is provided with a blast cap; and the side wall of the lower part of the tower body is provided with an air inlet. In the unpowered biological filtration tower, the blast cap is subtly arranged on the top part of the tower body to form a negative pressure above the filtration tower, so that external air enters the tower from the air inlet on the lower part of the filtration tower and then is discharged from the blast cap to form air flow, which not only achieves better aeration oxygenation effects but also saves fan power facilities so as to realize unpowered biological sewage treatment.

The present invention discloses a treatment process of processing wastewater after nuclear power equipment forging-casting part welding. According to the treatment process, wastewater enters a grid well, and then enters an oil isolation adjustment pool through a gate well, the floating oil on the surface is isolated, and uniform mixing is performed; the mixed wastewater is lifted to a 1# coagulation and precipitation integrated pool to remove most of suspended solids and organic matters, and then the supernatant enters an air dissolving air floatation device so as to further remove suspended solids and most of petroleum base substances; the pH value of the effluent of the air dissolving air floatation device is adjusted to 2.5-3.5, then the effluent is lifted to a Fenton reactor, and the remaining difficultly-decomposed loop chains and the remaining difficultly-decomposed macromolecule organic matters in the wastewater are removed through a strong oxidation effect; and the wastewater after the Fenton reaction sequentially enters a 2# coagulation and precipitation integrated pool and an intermediate water pool, and then is lifted to a multi-media filter, the remaining suspended solids are removed through a deep filtration effect, and the obtained water enters a clear water pool and then is subjected to standard discharge. According to the present invention, the classification collection, pretreatment and biochemical treatment combined technology is adopted so as to substantially reduce the pollutants in the treated wastewater and meet the national emission standards.

In the invention, a set driven rotating device, a belt pulley, a gear driving device, a mini generator and an electric power storage accumulator are disposed on a vehicle. In the running of the vehicle, using the friction produced when the vehicle tyre is in contact with the ground and the inertial force as a kind of an available energy resource to achieve a goal of generating, power-storing and power-supplying.

A clean low-temp oxidizing process is disclosed. Its oxidizing liquid contains CuSO4 (2-5 g/L), H2SeO3 (4-7), Zn (H2PO4) (2.5-3.5), complexing agent (3-4.5) and NiCl2 (0.4-0.6). Its technological steps include removing oil, washing with cold water, acid and cold water sequentially, low-temp oxidizing, washing with cold water, drying and immersing in oil. Its advantages are low energy consumption and cost, high speed (less than 10 min) and less environmental pollution.

The invention discloses a media gateway, which is characterized by the following: separating the functional part to the user side and residual function to realize in the center equipment room; remaining one MG for MGC; reducing control load; reducing maintaining working quantity; putting simple part at user side. Otherwise, the invention also provides a communication system of next generation network NGN, which connects the media gateway.