62results about How to "Stable power generation" patented technology

The invention discloses a ducted layout rigid-flexible mixed structure mooring aerostat type high-altitude wind power generation system which comprises an air aerostat wind power generation system, an air-ground electric energy transmission and mooring cable and a ground anchoring system, and the air aerostat wind power generation system is connected with the ground anchoring system through the air-ground electric energy transmission and mooring cable. The air aerostat wind power generation system comprises a ducted thin-wall truss bearing structure, an annular air bag, an empennage, a skin component and a wind power generator set, and the ducted thin-wall truss bearing structure is provided with a plurality of constraint spaces distributed in the longitudinal direction; the plurality of annular air bags are respectively arranged in the plurality of constraint spaces; a plurality of empennages are arranged at the rear part of the ducted thin-wall truss bearing structure; the ducted thin-wall truss force bearing structure and the multiple empennages are sleeved with the skin component. The wind generating set is installed in the ducted thin-wall truss force bearing structure through the supporting structure. The device is stable in structure, can stably generate power in a long-time air-staying mode, is low in cost, and is autonomous and controllable.

The invention discloses a reclaimed water conveying method and system integrating energy recovery and electric energy storage, and relates to the technical field of reclaimed water conveying. The method comprises the following specific steps: purifying original wastewater through pretreatment and advanced treatment to obtain reclaimed water; conveying the reclaimed water through an urban reclaimed water pipe network; a hydroelectric generation device is arranged in an urban reclaimed water supply system, gravitational potential energy of water flow in the reclaimed water conveying process is converted into electric energy, and energy recovery is carried out; and the recycled electric energy is stored in the energy storage equipment and is used for the operation of a subsequent reclaimed water conveying system. Energy recovery and electric energy storage are achieved in the reclaimed water conveying process, the energy utilization efficiency is improved, dependence on external energy is reduced by recovering energy in the reclaimed water flowing process, and the conveying cost is reduced.

According to the offshore wind power generation ship, a ship body serves as a base body, and a plurality of cross beams and vertical rods are arranged on the two sides of the ship body, so that the layout of blades is more flexible, the angle or position can be adjusted according to changes of the wind direction and the wind speed, and therefore the wind energy capturing efficiency is maximized; the adaptability and stability of the wind power generation ship under different sea conditions and climate conditions are enhanced, the blades are connected with the power generation unit, rich wind energy resources on the sea can be efficiently captured and converted into electric energy, meanwhile, the power generation unit is directly connected to the ship body driving unit, instant conversion and utilization of energy are achieved, and the energy utilization rate is increased. According to the integrated design, the energy transmission process is simplified, energy loss is reduced, the whole system is more compact and efficient, and reliable guarantee is provided for autonomous navigation and power supply of the ship.

The invention discloses a vertical axis wind turbine driving device with a wind deflector, and relates to the field of mechanical engineering, the driving device comprises a long shaft, a plurality of blades and a bearing assembly; the long shaft and all the blades form a wind wheel for driving the generator set to generate electricity; the wind deflector assembly is arranged on one side of the wind wheel; when the wind wheel rotates under wind power, the wind deflector assembly guides wind below the wind wheel to the upper portion of the wind wheel to form resultant force with wind acting on the upper portion of the wind wheel, driving torque generated by the wind wheel is enhanced, and the generator set is driven to generate power. The vertical-axis wind driven generator is very convenient to install and transport, the power generation efficiency of the vertical-axis wind driven generator is effectively improved, the blades are not prone to breakage and deformation, and meanwhile noise during working is effectively reduced. Therefore, compared with a traditional vertical axis wind driven generator driving device, the vertical axis wind driven generator driving device is more suitable for being popularized and applied in cities or areas with limited space, especially areas with rich wind energy.

The invention discloses a multistage energy storage wave energy hydraulic energy conversion system and a control method thereof, and belongs to the technical field of ocean hydraulic power generation, the system comprises an overhanging frame, a hydraulic cylinder is arranged on the side, away from a shore-based platform, of the overhanging frame, a floater is arranged below the hydraulic cylinder, and a hydraulic PTO system is arranged in the overhanging frame; the hydraulic PTO system comprises an oil tank, a one-way valve set, an energy accumulator set and a generator set, the hydraulic cylinder is connected with the oil tank through the one-way valve set, and the energy accumulator set and the generator set are both connected with the oil tank in series. By adopting the multistage energy storage wave energy hydraulic energy conversion system, the energy accumulators with different volumes are combined with the mechanical energy storage flywheel, so that the pressure pulsation of hydraulic oil in the system is reduced as much as possible, the hydraulic energy conversion efficiency of a wave energy power generation device is improved, more electric energy can be output, the wave energy is subjected to graded energy storage and multistage smooth liquid flow, and the power generation efficiency is improved. The safety and sustainability of the power generation system are improved, and the working efficiency of the hydraulic wave energy conversion system can be improved.

The invention discloses a wind turbine generator master control system and method based on a PLC, and relates to the technical field of wind driven generators, and the wind turbine generator master control system based on the PLC comprises a wind turbine generator power generation capability evaluation module, a wind turbine generator power generation task distribution module, a wind turbine generator operation monitoring and adjusting module and a wind turbine generator operation monitoring module. The starting process of each wind turbine generator is monitored through the PLC, the power generation state of the wind turbine generator can be comprehensively evaluated, reasonable distribution of power generation tasks is achieved, the power generation efficiency is improved, continuous and stable operation of a main control system of the wind turbine generator is ensured, meanwhile, faults can be diagnosed according to power generation capacity correction parameters, unit operation is controlled, stable operation of a wind power plant is ensured, and the power generation efficiency is improved. The problems of incomplete monitoring of the operation process of the wind turbine generator, simple data processing, inaccurate power generation task adjustment and the like are solved, maintenance personnel can quickly position and repair faults conveniently, and the troubleshooting time and cost are reduced.

The application provides a downhole while-drilling active refrigeration temperature difference power generation device and a downhole power generation system, and relates to the field of energy sources.The downhole while-drilling active refrigeration temperature difference power generation device comprises a power transmission module, a refrigeration module, a thermal management module, a while-drilling instrument electric control module and a power generation module; the power transmission module is magnetically coupled with the refrigeration module, and is used for driving the refrigeration module to generate cold energy by taking downhole fluid as a motive energy source; the thermal management module transmits cold energy to the power generation module; the power generation module comprises at least one temperature difference power generation sheet, is connected in series with the while-drilling instrument electric control module, is used for generating power by using a temperature difference, and supplies power to the while-drilling instrument electric control module and while-drilling instruments carried by the while-drilling instrument electric control module. Through the application, the temperature difference power generation method can be used to stably generate power in a downhole environment, and the effect of providing stable electric energy for while-drilling instruments can be achieved.

The invention relates to the technical field of new energy power generation, in particular to a method and system for improving a frequency conversion system of a sea-mounted fan, and the method comprises the steps: analyzing the existing problems of the frequency conversion system of the sea-mounted fan; designing a frequency conversion system improvement scheme according to existing problems; the fan frequency conversion system is improved on site according to the improvement scheme; and testing the improved fan frequency conversion system. By improving the frequency conversion system of the sea-mounted fan and optimizing the structural design and the functional performance of the frequency conversion system, the failure rate of the system is remarkably reduced. Wherein the high-temperature heat dissipation problem of the frequency conversion system is thoroughly solved. The failure rate is reduced, sudden shutdown in the system operation process is reduced, the equipment availability of the wind power plant is remarkably improved, it is ensured that a unit can stably generate power within more operation time, and higher power generation benefits are brought to the wind power plant.

This invention discloses a multi-axis wave power generation device, which includes a carrier, a main body coupled to the carrier, a wave generator set, a rotating mechanism, a lifting mechanism, and a control unit electrically connected to the rotating mechanism and the lifting mechanism. The wave generator set is coupled to the main body and includes a cantilever. The rotating mechanism is coupled between the carrier and the main body, and the lifting mechanism is coupled between the cantilever and the main body. The control unit is used to control the rotating mechanism to drive the main body to rotate relative to the carrier about a vertical axis to adjust the direction of the cantilever relative to the carrier, and is also used to control the lifting mechanism to drive the cantilever to rotate relative to the main body about a horizontal axis to adjust the angle between the cantilever and the main body.

The utility model provides a kind of energy storage type highway tunnel lighting device.The energy storage type highway tunnel lighting device includes: two first installation components, two second installation components;Power generation equipment, the power generation equipment is installed between two first installation components, the outlet of the power generation equipment is equipped with discharge pipe, the inlet of the power generation equipment is equipped with docking pipe, two the first installation component before installation has crossbeam, the top of the crossbeam is equipped with energy storage equipment, the top of the energy storage equipment is equipped with control equipment.The energy storage type highway tunnel lighting device provided by the utility model collects energy by the flowing wind power driven by the car running, improves energy utilization rate, and the generated power can meet the daily lighting energy consumption demand of tunnel part, and with the support of power grid, can reduce the construction cost of remote mountainous area tunnel line laying, and is not affected by diurnal wind power change, and power generation is more stable.

The invention provides power generation equipment and a power system, and relates to the technical field of power generation. The power generation equipment comprises a support, a heat energy air inlet assembly, a draught fan and a power generation unit. The heat energy air inlet assembly is connected to the support and provided with a flow channel from bottom to top, and the heat energy air inlet assembly is used for heating gas in the flow channel when heated so that the gas in the flow channel can be heated to expand and rise to form airflow. The fan is arranged at the top of the heat energy air inlet assembly and provided with a plurality of fan blades, at least one fan blade is internally provided with an air inlet channel, an air inlet channel and a flow channel, and the air inlet channel forms a Laval nozzle type first air outlet in the outer end of the fan blade. The generator set is connected to the support and used for being connected with the draught fan so as to generate electricity when the draught fan rotates. The power system provided by the invention adopts the power generation equipment. According to the power generation equipment and the power system provided by the invention, the technical problem of low power generation efficiency caused by breeze instability can be improved.

The present invention provides a hydraulic power generation system, including a hull, an impeller system B, a hydraulic transducer system C, and a power generation system D. The impeller system B is arranged below the hull, and the impeller device B can rotate under the action of the movement of the hull. The hydraulic transducer system C and the power generation system D are arranged on the hull. The hydraulic transducer system C will be able to convert kinetic energy into mechanical energy into hydraulic energy under the rotation of the impeller device B, and the generator rotates at a constant speed under the action of the control system. This design is based on installing an impeller on the bottom of the ship, directly connecting the impeller with a quantitative hydraulic pump, rotating synchronously, and placing all the control components and execution components of the system on the cabin. On the one hand, water flow is generated when the hull is running, and the impact force of the water flow causes the impeller to rotate, thereby causing the generator to rotate at a constant speed under the action of the control system, thereby realizing constant frequency and stable power generation. On the other hand, it makes installation and maintenance convenient, system debugging and testing simple, and reduces costs.

The invention discloses a lead-based reactor deep sea power generation system based on Stirling cycle, and relates to the technical field of ocean nuclear power generation. One end of the heat pipe is communicated with the heat energy output end of the nuclear reactor, the other end of the heat pipe is communicated with the Stirling engine, and the heat pipe is used for conveying heat energy generated by the nuclear reactor into the Stirling engine and driving the power piston to reciprocate; a permanent magnet of the moving magnet type linear generator is connected with a power piston through a first connecting rod, and the power piston reciprocates to drive the permanent magnet to cut a stator coil and generate alternating current. The nuclear reactor adopts a pool type lead-based reactor, and the lead-based reactor has the inherent characteristics of safety, high efficiency and the like and is suitable for being applied to a deep sea environment. As an efficient dynamic thermoelectric conversion device, the Stirling engine has the advantages of being simple in structure, reliable in work, low in noise and the like, and stable power generation in the deep sea environment can be achieved when the Stirling engine is used in cooperation with the pool type lead-based reactor and the moving-magnet type linear generator.

The invention discloses a backswing test system for a photovoltaic speed reducer, relates to the technical field of speed reducer testing, and solves the technical problems that no-load and different-load working conditions cannot be comprehensively analyzed, the source of abnormal backswing data cannot be deeply excavated, and the test efficiency and the test accuracy are reduced. According to the invention, through full-process management and control from parameter standard acquisition and automatic test process setting to data system analysis and result output, test accuracy and repeatability are guaranteed, no-load and load backswing data analysis is integrated, a relation curve is drawn by taking a load value as an abscissa and a load backswing mean value as an ordinate, and a test result is obtained. The direct proportion and non-direct proportion relation is accurately identified to judge the performance, so that potential fault hidden dangers are pulled out; in addition, according to abnormal analysis, surface breaking, deep excavation sudden change and reverse change relation are combined with historical data tracing, fault details of internal parts such as gears and bearings or testing equipment problems are determined, for example, tooth surface deformation critical load is locked according to curve sudden change, and advanced maintenance is facilitated.

The invention discloses a closed circulation multi-stage collaborative water power generation device. Belongs to the technical field of hydroelectric generation. According to the technical key points, the device comprises a base, the top of the base is fixedly connected with a water channel, the top of the base is fixedly connected with a plurality of water tanks distributed in the length direction of the water channel through a first support, the water tanks are distributed in a step shape from low to high from left to right, and each water tank is provided with a plurality of buoyancy power generation sets; the top of the base is further fixedly connected with a water tower located on the right side of the rightmost water tank through a second support, and the bottom of the water tower is higher than the top of the rightmost water tank. The closed water tower structure is adopted, self-suction type water circulation is achieved through internal pressure change formed by water level descending, water flow closed-loop circulation can be completed without continuous external water replenishing in cooperation with automatic control of the multi-step water tank and the electric control valve, and dependence on an external water source is remarkably reduced.

This invention provides a power generation device based on the cold energy of a cryogenic propane tank, comprising a liquefied propane vaporizer, a propane heater, an intermediate medium vaporizer, a turbine generator set, and a dimethylamine circulating pump. The tube-side inlet of the liquefied propane vaporizer is connected to a cryogenic storage tank containing propane. The tube-side outlet of the liquefied propane vaporizer is connected to the tube-side inlet of the propane heater, and the tube-side outlet of the propane heater is connected to a propane pipeline network. Dimethylamine, after passing through the dimethylamine circulating pump, is connected to the tube-side inlet of the intermediate medium vaporizer. The tube-side outlet of the intermediate medium vaporizer is connected to the inlet of the turbine generator set, and the outlet of the turbine generator set is connected to the shell-side inlet of the liquefied propane vaporizer. The shell-side outlet of the liquefied propane vaporizer is connected to the inlet of the dimethylamine circulating pump. This invention achieves dual-sided cascaded energy recovery from cold to heat. Compared to traditional direct seawater heating schemes, the net power generation is increased.

An offshore floating type photovoltaic and wave power generation integrated device comprises a plurality of floating bodies distributed in an array mode, photovoltaic panels used for photovoltaic power generation are fixedly arranged at the tops of the floating bodies, a plurality of push rods are arranged on the floating bodies in a sliding and penetrating mode, and the push rods located on the different floating bodies can be connected through movable connecting pieces. A turbine fan, a generator and a plurality of air chambers are arranged in the floating body, the turbine fan is fixedly arranged on an input shaft of the generator in a sleeving mode, each air chamber is provided with two air inlets and an air outlet, the push rod correspondingly stretches into the air chamber and then is connected with a piston, and in the moving process of the piston, air in the air chamber can be extruded out of the air outlet to form power generation airflow; the power generation airflow acts on the turbine fan to drive the turbine fan to rotate. According to the offshore floating type photovoltaic and wave power generation integrated device and the power generation method, the power generator and the turbine fan are located in the floating body, do not need to make contact with seawater for a long time and are not prone to being corroded, the overall service life is longer, and power generation is more stable.

Object Provided is a power generation function-equipped secondary battery that can achieve stable power generation. Solution A power generation function-equipped secondary battery 100 using a thermoelectric element 1 includes the thermoelectric element 1 that is in contact with a heat medium 3 indicating a temperature equal to or higher than a temperature of outside air and does not require a temperature difference between electrodes, and a secondary battery 2 electrically connected to the thermoelectric element 1, in which the thermoelectric element 1 includes a pair of electrodes 11 and 12 having work functions different from each other. For example, the thermoelectric element 1 includes an intermediate portion provided between the pair of electrodes 11 and 12 and including a non-conductor layer containing fine particles, and the non-conductor layer supports the pair of electrodes 11 and 12.

The invention provides an HJT battery assembly preparation optimization method based on a reliability test, and the method comprises the steps: optimizing an amorphous silicon film in a CVD technology through a glow breaking technology, carrying out the moist heat test and CTM test of an HJT battery assembly under different CVD radio frequency times, and taking the maximization of the radio frequency time as a target, determining the prolonged CVD radio frequency time according to the test result; multiple types of reliability tests are carried out on the battery assembly of which the TCO is prepared by adopting different PVD technologies, and the adopted target PVD technology is determined; the photoelectric conversion efficiency of the multiple batches of HJT batteries after warehousing and standing is detected again, and the multiple batches of HJT batteries are graded again; and carrying out humidity and heat test, CTM test and UV tolerance test on the HJT battery assembly adopting different packaging adhesive films, and selecting the structure and the type of the packaging adhesive film. According to the method, a multi-stage preparation process is optimized on the basis of various reliability tests, so that the module of which the multi-aspect reliability meets the requirements can be prepared, and the reliability of the prepared HJT battery module is improved.

The invention discloses a bar hot rolling production line waste heat efficient recycling system which comprises a walking beam furnace, a waste heat recycling pipe and a waste heat steam boiler, a steam outlet of the waste heat steam boiler is connected with a steam separator, a steam outlet of the steam separator is connected with a heat accumulator, and a steam outlet of the heat accumulator is sequentially connected with a steam turbine and a generator. A steam pressure stabilizer is connected to the third steam pipe, a steam exhaust port of the steam turbine is connected with a condenser, a heat absorption coil pipe is arranged in the condenser, an inlet of the heat absorption coil pipe is communicated with the gas main pipe, an outlet of the heat absorption coil pipe is communicated with a combustor of the stepping heating furnace, and a liquid outlet of the condenser is connected with a deaerator; a liquid outlet of the deaerator is communicated with a liquid inlet of the waste heat steam boiler, and a liquid outlet of the steam separator is communicated with a liquid inlet of the condenser. The device not only can improve the steam yield of the waste heat steam boiler and realize efficient recovery of waste heat, but also can obviously improve the generating capacity.

A solar cell module (1) includes: a plurality of solar cells (10) spaced apart from each other and arranged in a first direction (D1) and a second direction (D2); and connection members (31, 32) electrically connecting the plurality of solar cells. The solar cells are arranged along a curved-face shape. Those solar cells that are adjacent to each other in the first direction are electrically connected in series with each other. Those solar cells that are adjacent to each other in the second direction are electrically connected in parallel with each other.

The multistage water turbine structure is suitable for the field of hydroelectric generation and comprises a flow guide pipeline and a water wheel assembly, the water wheel assembly comprises a mounting disc, water wheel blades, a transmission assembly and a generator, a rotating shaft is provided with a brake disc and is controlled by a brake motor, and the transmission assembly conducts transmission through an inner gear ring, driven teeth and transmission teeth. The installation disc is provided with an angle adjusting device; the inner wall of the flow guide pipeline is provided with a contraction flow guide section and a flow disturbing structure; the protective shell is detachable and is provided with a heat dissipation and ventilation device; the brake system is controllable; according to the invention, the power generation efficiency is effectively improved, the device adapts to various water flow working conditions, stable operation of equipment is guaranteed, and the service life is prolonged.

The utility model relates to an energy-saving sports bracelet in the field of sports bracelets, which comprises a dial plate, a first watchband, a second watchband and an energy-saving component. The first watchband is mounted on the first side of the dial. The energy-saving assembly comprises a hollow box, two conductive plates, a non-metal friction block and a plurality of springs, the first side of the hollow box is rotatably mounted on the second side of the dial plate, and the second watchband is mounted on the second side of the hollow box. In the shaking process of the arm, the non-metal friction block keeps a stable motion state all the time, friction is conducted between the non-metal friction block and the two current-conducting plates to generate electricity, and meanwhile due to the fact that the non-metal friction block is located in the gap between the two current-conducting plates, even if the arm is in multi-angle motion, the non-metal friction block and the two current-conducting plates can still generate effective friction and generate electricity. Compared with light energy power generation in the prior art, the energy-saving sports bracelet is not influenced by actions of arms during movement, power generation is more stable and continuous, and the problem that power generation is unstable due to the fact that an existing energy-saving sports bracelet is difficult to absorb light energy during shaking is solved.

The invention relates to an orientation-adjustable wind driven generator and an adjusting method thereof.The orientation-adjustable wind driven generator comprises a base, the base is arranged in a circular shape, and a transverse plate is movably arranged on the base through a thread lifting mechanism; a deflection plate parallel to the transverse plate is movably arranged on the transverse plate through an orientation adjusting mechanism, and a power generation assembly is installed on the deflection plate. The power generation assembly comprises an engine installed on the deflection plate, a blade connected with the engine and an empennage blade arranged at the end, away from the blade, of the engine, and a plurality of idler wheels are further movably arranged on the base through a plurality of sets of elastic telescopic mechanisms. And finally, through mutual cooperation of all the mechanisms and parts, the orientation adjustment function of the generator is achieved, the power generation efficiency of the generator can be greatly improved, and the device is suitable for application and popularization.

The invention discloses a telescopic ship propeller wake flow energy recovery power generation device which is arranged on a ship with dynamic positioning capacity. A full-revolving propeller and a rotor capable of retracting into the ship are arranged at the tail of the ship, and the rotor is connected with power generation equipment capable of generating power through rotation of the rotor. And the rotor is arranged between the full-revolving propeller and the ship broadside. According to the ship propeller wake flow energy recovery power generation device, the telescopic rotor is arranged around the propeller and used for recovering energy in propeller wake flow during ship operation, mechanical energy is converted into electric energy, and the purposes of energy conservation and emission reduction are achieved. Aiming at the ship in a dynamic positioning state, the propulsion efficiency does not need to be considered. The device is directly used for propeller wake flow energy recovery, and conversion from mechanical energy to electric energy is achieved.

The utility model provides a power generation device with a camel wheel. The power generation device comprises a driving assembly, a camel wheel supporting assembly, a stator and a rotor, the rotor is rotationally arranged in the stator, first open teeth are arranged on the rotor, second open teeth are arranged at the output end of the driving assembly, and the first open teeth are in meshed connection with the second open teeth; the camel wheel supporting assembly is connected with the first open teeth and used for supporting the first open teeth. According to the utility model, the open teeth connected with the rotor are supported through the camel wheel, so that the rotor is supported, the influence of the weight of the rotor on the output torque is reduced, the required driving torque is smaller under the same generating capacity, and meanwhile, the normal rotation of the open teeth and the rotor can be ensured.

The present invention relates to the field of solar thermal power generation, and discloses a heat absorber and a heat absorber operation method, wherein temperature regulation and physical protection are performed by adding a thermochemical protection mechanism. The heat absorber comprises: a heat absorbing tube, in which a molten salt working medium is arranged; a protection mechanism, which is arranged on the outside of the heat absorbing tube; a thermochemical energy storage material is arranged in the protection mechanism, and the protection mechanism is arranged in contact with the heat absorbing tube; when the temperature of the heat absorbing tube is greater than a first preset temperature, the thermochemical energy storage material undergoes a reduction reaction to absorb heat, thereby lowering the temperature of the heat absorbing tube; when the temperature of the heat absorbing tube is less than a second preset temperature, the thermochemical energy storage material undergoes an oxidation reaction to release heat, thereby raising the temperature of the heat absorbing tube; there are multiple heat absorbing tubes, and the multiple heat absorbing tubes are arranged in sequence around the inner surface of the protection mechanism. Adding a thermochemical protection mechanism on the outside of the heat absorber can not only avoid physical damage to the heat absorbing tube, but also stabilize the temperature of the heat absorbing tube, thereby improving the safety of use and extending the service life of the heat absorber.

[Object] To provide a power generation element, a method for manufacturing the power generation element, a power generation device, and an electronic apparatus that are capable of improving a power generation amount. [Solution] A power generation element 1 that does not require a temperature difference between electrodes in converting thermal energy into electric energy includes a first electrode 11, an intermediate portion 14 provided on the first electrode 11, the intermediate portion 14 including a fine particle exhibiting a perovskite structure, and a second electrode 12 provided on the intermediate portion 14, the second electrode 12 having a work function different from a work function of the first electrode 11. The fine particle includes, for example, at least one of titanium and zirconium.

The utility model discloses a water turbine tail water taper pipe flow deflector which comprises a water turbine body, the input end of the water turbine body is connected with a connecting base, the input end of the connecting base is connected with a tail water taper pipe, and the outer side wall, close to a tail pipe vortex strip area, of the tail water taper pipe extends outwards to form two annular convex hulls. Mounting rings are connected to the interiors of the two convex hulls, a plurality of fixing bases are connected to the inner side walls of the two mounting rings in the circumferential direction, and by reserving the multiple fixing bases, the flow deflectors with the specified number can be arranged according to the water flow condition in the pipeline before actual installation; the flow deflectors of special structures are arranged in the area, close to the tail pipe vortex strip, of the tail water taper pipe, water flow can be effectively divided and restrained, complex water flow movement in the tail water pipe is optimized, meanwhile, the flow deflectors of the specified number can be installed according to the arranged fixing bases before installation, and installation is convenient. And hydraulic vibration caused by the vortex can be effectively reduced through the flow deflectors, impact on a pipeline is relieved, and the operation stability of equipment is improved.

The invention discloses a liquid nitrogen circulation power generation system method. The liquid nitrogen circulation power generation system method comprises a liquid nitrogen storage tank 1, a heat exchanger 2, an efficient power generator 3, a liquid making machine and a compressor 4. The invention relates to a system scheme for generating power through liquid nitrogen circulation, in particular to integrated equipment which gasifies liquid nitrogen through heat exchange to generate high-pressure gas to drive an efficient generator set and converts nitrogen into liquid through a compression or deep freezing method. Each pipeline is provided with a temperature metering device, a pressure metering device, a flow metering device and the like and uploads the data to the control system, the control system adjusts operation parameters of the system according to monitoring data and carries out collection, the collected data are uploaded to a digital cloud, and the purpose of digital operation and maintenance is achieved.