67results about How to "Optimal Operational Control" patented technology

The invention discloses a parallel virtual synchronous generator (VSG) distributed coordinated operation control method and system. The system comprises a sagging control unit, a frequency recovery unit, an active distribution unit and a consistency control unit. VSGs employ distributed communication. The method and system can realize system power distribution, frequency recovery and stable and reliable operation only through a small amount of information interaction between adjacent VSGs, meanwhile reduce communication base construction and cost, and overcome the deficiencies of distributed and centralized models, and are of great importance in operation controlling of parallel VSGs.

The invention relates to an intersection self-organizing control method for a networking automatic driving vehicle. The method comprises: according to flow directions of all entrance lanes of an intersection, grouping of all vehicles is carried out, wherein vehicles without any flow direction conflict are classified into one group; vehicles at all entrance lanes form one fleet by using a control unit as a center; first control units of all entrance lanes carry out communication to send respective states as application information to an intersection control center; the intersection control center determines a fleet passing by the intersection firstly and sends passing time to the corresponding control unit, and the intersection control center sends the passing time to the control unit which is capable of completing passing within the passing time and belongs to the same group as the fleet passing by the intersection firstly; and the control unit obtaining the passing time generates a driving track based on the passing time. Compared with the prior art, the method has the following beneficial effects: the vehicle driving autonomy can be improved; and the potential safety hazard, caused by the communication delay, of networking vehicle driving at an intersection can be eliminated.

The invention discloses a core loading method of pressurized water reactor nuclear power plant first cycle. A first cycle core adopts a fuel assembly with 4-6 different enrichment degrees, a high leakage loading mode is adopted, and core reactivity inhibition and power distribution control are carried out by simultaneously adopting borosilicate glass solid inflammable poison rods and integrated gadolinium-supported fuel rods. The method greatly prolongs the cycle length of the first cycle core, adopts two solid inflammable poisons to avoid the contradiction of occupation of control rod guiding tubes due to use of too much borosilicate glass and avoid negative influences of unfavorable axial power distribution caused by use of too many integrated gadolinium solid inflammable poisons on running control, makes the core design be flexible, makes the power distribution flattening of the core be easy, has good engineering practicality and design flexibility, and can well realize the economy and safety of the power plant.

The invention discloses a flue gas waste heat recovery system of a sintering machine tail, which is characterized in that control valves and bypass smoke exhausting branch pipes are mounted on smoke exhausting branch pipes between bellows of the sintering machine tail and a main flue; a bypass smoke exhausting header pipe is mounted on the main flue side of the sintering machine tail, and connected with the smoke exhausting branch pipes; a heat exchanger is mounted between the bypass smoke exhausting header pipe and the main flue; a water inlet pipe and a steam outlet pipe are mounted on the heat exchanger, and connected with a waste heat boiler; and flue gas heat of the sintering machine tail is recovered by the heat exchanger. According to the flue gas waste heat recovery system, since the flue gas amount from the bellows of the sintering machine tail to the heat exchanger is controlled, the flue gas heat of the sintering machine tail can be recovered sufficiently, the minimum temperature of the flue gas of the main flue is ensured, and the dewing of the flue gas is avoided. The waste heat recovery system is simple in structure and to control, and low in investment and operating cost, and is applicable to the existing sintering system and a new system.

A control parameter optimizing system and an operation optimizing apparatus equipped therewith are provided, the system being applicable to an existing plant without modifying the control panel or equipment of the plant, the system further being capable of optimizing the operation control of the plant in accordance with diverse operational requirements. The system includes an objective function setting section, a plant model, and a control parameter optimizing section. The control parameter optimizing section includes an optimization control parameter selecting section and an optimization control parameter adjusting section. The optimization control parameter selecting section selects as an optimization control parameter the control parameter for optimizing an objective function based on control logic information extracted from a power plant. The optimization control parameter adjusting section adjusts the value of the optimization control parameter using the plant model in such a manner as to optimize the objective function.

The invention provides a method for controlling the operation of a complex pipeline based on deep learning, belongs to the technical field of pipeline transportation, and especially relates to a method for controlling the operation of a complex pipeline. First, a control-oriented complex pipeline model is built in an SCADA system; the position or section needing operation control is determined according to the pipe network information monitored in real time and the user or industrial demand for the pipeline; then, whether to adopt a complex pipeline open-loop control strategy based on a deep learning method or a complex pipeline closed-loop control strategy based on a deep learning method is decided according to the obtained flow and pressure information of the position or section needingoperation control, and a strategy is performed according to the decision result; and finally, information is fused, and the operation control of the complex pipeline network is completed in a coordinated manner. In the prior art, the operation of a complex pipeline cannot be controlled effectively and reasonably, which leads to frequent occurrence of safety problems, high energy consumption and short reliable running time. The problem is solved by using the method of the invention. The method of the invention can be used in pipeline transportation.

The invention discloses a tritiated water recycling device which comprises a tritiated water supply device, a second gas recycling pump, a condenser, a tritiated water storage tank, a first adsorption bed and a third adsorption bed. The first adsorption bed and the third adsorption bed are each filled with a 5A molecular sieve. The tritiated water supply device and the first adsorption bed are connected to form a tritiated water removal circuit. The second gas circulating pump, the first adsorption bed, the condenser and the third adsorption bed are connected in sequence. The third adsorption bed is connected to the input end of the condenser in a return mode, so that the second gas circulating pump, the first adsorption bed, the condenser and the third adsorption bed form a tritiated water recycling circuit. The tritiated water storage tank is connected with the output end of the condenser. According to the tritiated water recycling device, recycling of tritiated water in gas can be achieved with no extra carrier gas, only liquid tritiated water is output, no other waste tritium-contained water is generated in the running process, and safety and reliability are achieved; meanwhile, the tritiated water recycling device is connected to technological equipment of a tritium technology laboratory, so that continuous recycling of tritiated water in gas of different types is achieved.

The invention belongs to the technical field of nuclear reactor fuel element conveying, in particular to a cyclic bridging device of pebble-bed reactor fuel element pipelines. The device is successively provided with a bridging mechanism, a magnetic transmission mechanism and a driving mechanism from the back to the front. The box body is provided with a cushion chamber and a guide chamber. A cushion core is arranged in the cushion chamber. A guide core is arranged in the guide chamber. A main transmission shaft of a mounting tongue plate is connected with a rotating shaft of an internal magnetic rotor. A rotating shaft of an external magnetic rotor is connected with an output shaft of the driving mechanism. The tongue plate can rotate to the left limitation position or the right limitation position from the central position under the action of the magnetic transmission between the internal magnetic rotor and the magnetic rotor so as to realize a ball distributing function. The deviceis applied to a pebble-bed reactor fuel element multi-channel cyclic pipeline system, realizes a plurality of cyclic operation modes of fuel elements and improves the reliability of the cyclic system; the sealing structure of magnetic transmission realizes atmosphere isolation; the device is simple in structure, convenient to control, and suitable for the nuclear reactor with the requirement for high-security and high-reliability operation.

The invention discloses a 1000MW stage secondary reheating unit single-row high-pressure heater system. The system comprises a plurality of high-pressure heaters which are connected in series in sequence through a water supply pipeline, and water evacuating openings of the high-pressure heaters are connected in series in sequence. The water supply pipeline, a steam bleeding pipeline and a heater water evacuating pipeline of the system are respectively in one row; compared with a two-row high pressure heaters, the system is simple, the number of pipelines is reduced, the number of valves in the pipeline system is reduced, thermotechnical measuring points are simple, control is easy to perform, running control is convenient to perform, the steam bleeding pipelines and the water supply pipelines of the high-pressure heaters are short, resistance is small, the 1000MW stage secondary reheating unit single-row high-pressure heater system is also favorable for reducing the heat rate of a steam turbine, single-side operation can not be achieved by the two-row high pressure heaters, and technically, the single-row high-pressure heaters have obvious advantages.

The invention relates to an air conditioner for controlling indoor PM2.5 pollution. The air conditioner comprises a first fresh air pipe, a second fresh air pipe, a third fresh air pipe, an air returnpipe, an air supply pipe, an exhaust pipe and a heat recycling device. A PM2.5 concentration inductor is arranged in the first fresh air pipe, and a first primary filter, a first medium-effect filterand a first electric air valve are sequentially arranged in the second fresh air pipe. A second medium-effect filter and a second electric air valve are sequentially arranged in the third fresh air pipe, and the PM2.5 concentration inductor, the first electric air valve and the second electric air valve are in interlocking control. A second primary filter, an air return fan, an air return valve and an exhaust valve are sequentially arranged in the air return pipe. A heat exchanger and a double-speed blower are sequentially arranged in the air supply pipe. According to the air conditioner, thesizes of the needed fan and filters and the equipment size can be configured according to different building types, and operation control is convenient.

The invention provides an electric heating fluidized bed heat accumulator. A winding electromagnetic heating coil is arranged outside the heat accumulator, solid heat accumulation particles are arranged in the heat accumulator, an electromagnetic heating coil (6) is arranged on the outer side of the fluidized bed heat accumulator (2), an air inlet chamber is arranged below the fluidized bed heat accumulator (2), an air outlet pipe is arranged on the upper portion of the fluidized bed heat accumulator (2), and the density of the electromagnetic heating coil is larger and larger from bottom to top in the height direction of the fluidized bed heat accumulator. Due to changes of the distribution density of the designed coil in the height direction, heat exchange in the heat accumulator forms asimilar countercurrent heat exchange process, heat exchange is more effective and sufficient, and the overall heat exchange effect is enhanced.

The invention provides an electric heating fluidized bed solid heat storage and supply system. The system comprises an electromagnetic heating coil, an air inlet chamber, an air distribution plate, afluidized bed heat accumulator, a gas-solid separation device, a heat exchanger, a controller and the like. The system stores heat in a sensible heat form through solid particles; the outer side and the bottom of the fluidized bed heat accumulator are provided with the electromagnetic heating coil, and the air distribution plate is arranged on the lower side; the solid particles such as quartz sand are arranged in the fluidized bed heat accumulator, and an air outlet pipe is also arranged and connected with the heat exchanger; and a grid and an air return pipeline are arranged in the air outlet pipe, the gas-solid separation device is arranged in front of the air outlet pipe, and the heat exchanger is arranged behind the air outlet pipe and connected with the air return pipeline. The system improves the energy utilization in the off-peak electricity period, saves the heat supply operation cost, and overcomes the defects of non-uniform solid heat storage, insufficient heat release and difficult control.

The invention discloses a system for treating desulfurization wastewater by evaporation with high-temperature flue gas. The system comprises an original flue, an electrostatic precipitator, an after-dust-removal flue, an induced draft fan, a desulfurization tower and a chimney which are sequentially connected, wherein the bottom of the desulfurization tower is connected with a wastewater tank. Thesystem is characterized in that the electrostatic precipitator comprises an inlet horn, an airflow distribution plate, an outer overhaul platform and an ash hopper, an evaporation device is arrangedin the inlet horn transversely and comprises a casing with a top opening, a feed port and a discharge port are formed in two ends of the casing in the length direction of the casing respectively, a conveying device for conveying desulfurization wastewater is arranged between the feed port and the discharge port, the wastewater tank is connected with the feed port through a wastewater conveying pipeline, and a wastewater pump is arranged on the wastewater conveying pipeline. The system has the characteristics of being low in desulfurization wastewater emission, convenient in operation control,simple in structure and low in energy consumption.