50results about How to "Long-term efficient and stable operation" patented technology

The invention discloses a power distribution line intelligent tour inspection system comprising an intelligent tour inspection terminal, a main station server and a front-end machine. The intelligent tour inspection terminal is provided with a tour inspection task management device which is provided with a tour inspection task consulting module, a tour inspection content filling module and a tour inspection task uploading module. Tour inspection personnel download power and business data to the intelligent tour inspection terminal via the front-end machine before going out for tour inspection. The tour inspection task consulting module rapidly positions power equipment and automatically prompts tour inspection item content of the power equipment after the tour inspection personnel arrive the scene. The tour inspection personnel are guided to input tour inspection results by the tour inspection content filling module after completion of tour inspection. The tour inspection results are uploaded to the front-end machine by the tour inspection task uploading module after end of tour inspection. Electronic, informatization and intelligent power distribution line tour inspection management can be realized so that leak inspection and false inspection can be reduced to the largest extent, and the long-term and high-efficiency stable operation of the electric power line can be ensured.

The invention provides an immersed self-flow-interfering shell-and-tube-type heat exchanger. The heat exchanger comprises a shell, a liquid distribution device, a self-flow-interfering device and a liquid collection device; a cooling liquid inlet and a cooling liquid outlet are formed in the shell; the cooling liquid inlet communicates with the liquid distribution device; the liquid distribution device communicates with the self-flow-interfering device; the liquid collection device is located on the upper part of the shell and below the liquid surface of cooling liquid; the liquid collection device communicates with the cooling liquid outlet; the cooling liquid enters the shell sequentially through the cooling liquid inlet, the liquid distribution device and the self-flow-interfering device, and flows out of the cooling liquid outlet through the liquid collection device; a heat source is immersed in the cooling liquid in the shell; and the liquid distribution device comprises a liquiddistribution mother tube which communicates with the cooling liquid inlet. The immersed self-flow-interfering shell-and-tube-type heat exchanger is controlled through liquid outlet temperature, so that the effects of automatic controlling and energy saving are realized; the interfering strength of a cooling liquid flowing field in the shell is enhanced; and the heat exchanging efficiency is improved.

The invention discloses a working method for a joint robot for assembly, and mainly relates to the technical field of the joint robot. The working method comprises the following steps: a first joint shaft and a second joint shaft on a machine base are driven by a servo motor to start rotary regulation in the horizontal direction; under action of a sucker assembly, a bolt or a rivet enters a gripper head through a vacuum suction nozzle; a synchronous belt is driven by a motor to sequentially drive a lead screw and a buffer mechanism, and to drive a spline shaft with a screwdriver head or a riveting head at the bottom end to pass through a connecting sleeve for jacking the bolt or rivet; after the bolt or the rivet is calibrated by the screwdriver head or the riveting head, the spline shaft is driven by an electric motor to drive the screwdriver head or the riveting head to rotate and press together until assembly is completed; and finally, the spline shaft is driven by the motor to drive the screwdriver head or the riveting head to move upwards to wait for a next-time working order. The working method is precise in station calibration, is high in assembly speed, is low in load requirement, is not liable to damage a workpiece during working, and is low in operation cost.

The invention discloses an oxide fuel cell based on a lanthanum nickelate and lanthanum-doped yttrium oxide composite material. A cathode and an anode of the fuel cell are made from foam nickel coatedwith NCAL on the surface, and an electrolyte layer of the fuel cell is a SNO/NSDC composite material, that is, the structure of the fuel cell is made from foam nickel//NCAL//SNO/NSDC//NCAL//foam nickel. The low-temperature solid oxide fuel cell uses the lanthanum-doped yttrium oxide (NSDC) composite material, prepared by utilizing a sodium carbonate precipitation process, of an ionic conductor asan electrolyte layer, and greatly reduces the electrode polarization loss during the electrochemical reaction of the fuel cell; in addition, the electrolyte material has good output power in the lowtemperature section, so that the solid oxide fuel cell using the electrolyte material can be efficiently and stably operate in a low temperature range (300-600 DEG C) for a long period of time. Stableoperation.

The invention relates to an air-conditioner purifier, which adopts catalyst with carbon doped in TiO2, and adopts a supporting body made of water-tolerant kraft paper, activated carbon and TiO2 photochemical catalyst to form a honeycomb-shaped integral type purification net with a through hole and a multistory structure; the supporting body forms a hexagonal honeycomb-shaped hole; the hexagonal honeycomb is used as a through hole channel for light and gas; the activated carbon is bonded on the supporting body to form an adsorbed layer; polyacrylic butyl acrylate emulsion is adopted as adhesives; the used activated carbon is slackcoal with high iodine value between 60 meshes and 400 meshes; and the activated carbon is bonded on the supporting body to form the adsorbed layer. During carrying, a uniform activated carbon layer with the thickness of about 1cm is formed. The polyacrylic butyl acrylate emulsion is adopted as an adhesive, and the nanometer TiO2 is coated on a thin-shell structure on the surface of the activated carbon and is loaded on the inner wall of an air-conditioner purification section. The air-conditioner purifier has a multistage filtration and purification function, high purification efficiency and less generated intermediate product. The bacterium-removal capacity of the air-conditioner purification section can be effectively enhanced, and the secondary pollution of an air-conditioning system is prevented.

The invention discloses a bioreactor for online automatic pH control. The bioreactor comprises a data acquisition controller, an alkali storage tank, an acid storage tank, a regulation tank and a biological reaction tank, wherein the data acquisition controller comprises a pH acquisition unit, a liquid level acquisition unit and an electromagnetic valve which are connected with a peristaltic pump control unit; the alkali storage tank and the acid storage tank are connected with the regulation tank and the biological reaction tank through a pipeline with an electromagnetic valve; a liquid inlet of the regulation tank is connected with the biological reaction tank through a pipeline with a peristaltic pump, and a liquid outlet is connected with the biological reaction tank through the pipeline with an electromagnetic valve; the regulation tank is provided with a pH meter and a liquid level meter; the biological reaction tank is provided with a gas outlet, a stirrer and a liquid level meter; the pH meter is connected with the pH acquisition unit; the liquid level meter is connected with the liquid level acquisition unit; the electromagnetic valve and the peristaltic pump are connected with the electromagnetic valve and the peristaltic pump control unit. The bioreactor disclosed by the invention can effectively realize online control on the pH in the reactor in real time so as to avoid local impact of high-concentration acid-base reagent on microbial activity and promote long-term efficient and stable operation of the reactor.

The invention relates to MnOx-TiO2 composite oxide with rutile TiO2 serving as a matrix and application of the MnOx-TiO2 composite oxide with rutile TiO2 serving as the matrix in fume low-temperature Selective Catalytic Reduction (SCR) denitration. In the fume low-temperature SCR denitration, the MnOx-TiO2 composite oxide serves as a catalyst. The method comprises steps of adding titanium tetrachloride to an acidic aqueous solution under ice-water bath slowly and dropwisely; subjecting TiCl4 and water to the reaction to produce transparent and colorless hydrated TiO6; hydrolyzing the hydrated TiO6 at the room temperature and on the acidic condition; generating rutile TiO2 precursor micelles; adding soluble manganese salt to the precursor micelles and conducting dispersion with stirring; conducting heat processing; and obtaining the nano MnOx-TiO2 composite oxide with rutile TiO2 serving as the matrix and with MnOx serving as an active component. MnOx has high dispersity on the rutile TiO2 matrix. Therefore, the MnOx-TiO2 composite oxide can serve as the low-temperature SCR denitration catalyst and has high catalytic activity. The removing rate of NO can reach 100 mol% under the condition that the NO concentration is 800ppm, the reaction temperature is 160 DEG C and the space speed is 50,000 hours-1.

The invention discloses a low-temperature solid oxide fuel cell based on a barium stannate/zinc oxide composite material. A cathode and an anode of the fuel cell are made of foamed nickel with the surface being coated with NCAL, and an electrolyte layer of the fuel cell is made of a BSO/ZnO composite material. The fuel cell structurally comprises foamed nickel//NCAL//BSO/ZnO//NCAL//foamed nickel.The low-temperature solid oxide fuel cell adopts the composite material of barium stannate which is of a perovskite structure and nano-zinc oxide as the electrolyte layer of the fuel cell, and the electrode polarization loss in the electrochemical reaction process of the fuel cell is greatly reduced; and in addition, the electrolyte material has good output power in the low-temperature stage, so that the solid oxide fuel cell adopting the electrolyte material can operate efficiently and steadily for a long term in the low-temperature stage (300-600 DEG C).

The invention provides an internal recycle strengthened perfect mixing flow anaerobic reactor. The reactor is provided with a water distribution area, a perfect mixing area, a first separating area and a second separating area from bottom to top; the water distribution area is provided with a bottom plate, an emptying port, a water inlet pipe, a hollow cone water distributor and an arc baffle plate; the perfect mixing area is provided with a return pipe, rotational flow baffle plates, a lower end lifting pipe and a mud discharge pipe; the first separating area is provided with a three-phase separator, a downflow weir and a water outlet pipe; the second separating area is provided with an upper end lifting pipe, an outer separating cylinder, an inner separating cylinder and an air outlet pipe. According to the reactor provided by the invention, through the arrangement of three rotational flow baffle plates which are arranged in a 120 degree rotation manner and an inner recycle structure, the tangential flow velocity and axial flow velocity in a rotational flow mixing area are respectively increased, so as to achieve the effects of strengthening inter-phase mixing in the rotational flow mixing area and reducing waterpower dead zones, thereby effectively diluting high concentration feeding water, improving volume efficiency of the reactor and guaranteeing the stable running of the reactor.

The invention discloses a low-temperature solid oxide fuel cell. The cathode and anode of the fuel cell are made of nickel foam coated with NCAL; and the electrolyte layer of the fuel cell is made ofan LNO/SDC composite material. The structure of the fuel cell of the present invention is foam nickel//NCAL//LNO/SDC//NCAL//foam nickel. According to the low-temperature solid oxide fuel cell of the invention, a composite material composed of LNO of a perovskite structure and ionic conductor samarium-doped cerium oxide is adopted as the electrolyte layer of the low-temperature solid oxide fuel cell, and therefore, electrode polarization loss during the electrochemical reaction of the fuel cell can be greatly reduced; and the electrolyte material has good output power in a low temperature section, so that the solid oxide fuel cell using the electrolyte material can operate efficiently and stably for a long period of time in the low temperature section (300 to 600 degrees Celsius).

The invention discloses an electric power tower real-time detection system based on a tower image, and aims to provide the electric power tower real-time detection system based on the tower image, which can detect the operation condition of an electric power tower in real time, improve the inspection quality of the electric power tower, reduce missed detection and wrong detection to the maximum extent, and ensure that the electric power tower operates efficiently and stably for a long time. The system comprises an intelligent inspection data processor and an electric power tower detection terminal. The electric power tower detection terminal and a main station server perform bidirectional data transmission through a mobile network. The intelligent inspection data processor is provided withan inspection task processing device, and an inspection task comparison module and an image processing module are arranged in the inspection task processing device; The electric power tower detectionterminal is provided with an image acquisition module, and the image acquisition module is used for acquiring image information of a tower in real time and transmitting the image information to the inspection task management module for comparison and processing.

The invention discloses an outflow optimization device of a pontoon type water-lifting aerator. The outflow optimization device comprises a top ascending cylinder, a middle outflow cylinder, a diversion conical frustum and a floating body, wherein the floating body is arranged at top of the top ascending cylinder, the middle outflow cylinder is arranged at the center of the floating body, the diversion conical frustum is arranged at lower end of the middle diversion cylinder, and a plurality of bell mouths of the ascending cylinder are upwards formed in the circumferential direction of the top of the top ascending cylinder among the top ascending cylinder, the floating body and the diversion conical frustum; and a plurality of drainage holes are formed in the circumferential direction of the side wall of the top ascending cylinder. When a water flow in the ascending cylinder of the water-lifting aerator is close to an outflow device, part of the water flow firstly flows out of the side wall of the ascending cylinder, the other part of the water flow flows out in a radial manner via a channel between the diversion conical frustum and the bell mouths at the top of the ascending cylinder, and the impact force of the ascending water flow to the water-lifting aerator is reduced by about one half in comparison with an original corresponding value, so that fatigue damages to various connection parts and the floating body at the top of the water-lifting aerator are effectively avoided, energy loss when the water flow passes through the outflow device is reduced, and long-term efficient and stable operation of the water-lifting aerator is ensured.

The invention discloses a lighting lamp with a variable light-emitting angle, which comprises a lamp holder. The middle of the lamp holder protrudes towards the inner side to form a power source groove in the outer side, a driving power source is installed in the power source groove, and two lamp grooves are symmetrically formed in the positions, on the two sides of the power source groove, of theinner side of the lamp holder; end plates are detachably connected to the two ends of the lamp holder, a rotating shaft is rotatably connected to the position, between the two end plates, of each lamp groove;the rotating shafts are fixedly connected with lamp bodies;cables are arranged between the lamp bodies and the driving power source; the lamp bodies are provided with silica gel pads connected with the end plates in an abutting mode. A transmission box is arranged on the outer side of the end plate, and a linkage assembly for promoting the two rotating shafts to rotate synchronously and aseparation assembly for promoting the linkage assembly to be separated to enable the two rotating shafts to rotate independently are arranged in the transmission box. According to the lighting lamp with the variable light emitting angle, large-area cross light emitting can be achieved, and the lighting effect is enriched.

The invention relates to an autotrophic anti-clogging constructed wetland for deep purification of tail water of a sewage treatment plant. The wetland comprises a water purification plant, a water collection area, a core functional filler matrix area, a cobblestone layer and a water distribution and sludge discharge area which are sequentially arranged from top to bottom, and the water distribution and sludge discharge area comprises a perforated support plate, a multi-bucket V-shaped sludge collection tank, support columns and wetland bottom fixed support columns; the perforated support plateis supported; the lower part of the multi-bucket V-shaped sludge collecting tank is filled with large cobblestones; the core functional filler matrix area is arranged at the upper part of the perforated support plate, the bottom of the perforated support plate is provided with a cobblestone layer to ensure uniform water inflow, purification plants are planted at the upper part of the core functional filler matrix area, and a drainage pipe is arranged in the water collection area to collect treated tail water and discharge the tail water out of the wetland. The constructed wetland can solve the problems that the concentration of NO3-N in tail water of an existing sewage treatment plant is high, the phosphorus concentration needs to be further reduced, a matrix of an autotrophic wetland isseriously hardened in long-term operation of actual engineering, a system is blocked and the like.

The invention discloses an oxide fuel cell based on a neodymium nickelate and samarium-calcium co-doped cerium oxide composite material. A cathode and an anode of the fuel cell are foamed nickel withNCAL coated on the surfaces, and an electrolyte layer of the fuel cell is an NNO/SCDC composite material. The structure of the fuel cell is foamed nickel//NCAL/NNO/SCDC//NCAL/foamed nickel. Neodymiumnickelate which is of a perovskite structure and a samarium-calcium co-doped cerium oxide composite material are used as the electrolyte layer, so that the electrode polarization loss in the electrochemical reaction process of the fuel cell is greatly reduced; In addition, the electrolyte material has good output power in a low-temperature section, so that the solid oxide fuel cell adopting the electrolyte material can efficiently and stably operate for a long time in the low-temperature section (400-600 DEG C).

The invention discloses a low-temperature solid oxide fuel cell based on a cerium oxide/nickel oxide composite material. A cathode and an anode of the fuel cell are made from foam nickel coated with NCAL on the surface, and an electrolyte layer of the fuel cell is a CeO2/NiO composite materials, namely, the structure of the fuel cell is foam nickel//NCAL//CeO2/NiO//NCAL//foam nickel. The low-temperature solid oxide fuel cell adopts a CeO2/NiO nanocomposite material as its electrolyte layer, the electrode polarization loss during the electrochemical reaction of the fuel cell is greatly reduced;the electrolyte material has high oxygen ion conducting capability in a low temperature section. Therefore, the solid oxide fuel cell using the electrolyte material can operate stably and stably fora long period of time in a low temperature section (300-600 DEG C).

The invention provides a mechanical arm torsion cable. The mechanical arm torsion cable has good torsion performance and high anti-fatigue capability, and has the characteristic that a core wire cannot be broken after the mechanical arm torsion cable is bended for several million times; and thus, long-term high-efficiency steady operation of a mechanical arm can be ensured. The mechanical arm torsion cable comprises an outer jacket layer and a covering layer, which are sequentially arranged from outside to inside, and have circular cross sections; a plurality of sets of signal wires and a plurality of cotton thread structures are arranged in the cavity of the covering layer; the signal wires are combined and annularly arranged in the centre of the cavity of the covering layer; the adjacent signal wires are appressed to each other; the outer walls of the signal wires are appressed to the inner wall of the covering layer; and the cotton thread structures are arranged in the cavity among the signal wires and the covering layer.