9 results about "Solar Energy Generating Systems" patented technology

The invention discloses a solar power generation and gravity energy storage combined power supply system and a power supply method, and the power supply system comprises a solar power generation system, a gravity energy storage system and an intelligent control system. The gravity energy storage system is dynamically controlled to store or release energy according to the difference value between the real-time solar power generation power and the threshold value, so that the combined output power is stable. The gravity energy storage unit adopts a symmetrical double-slope supporting tower and double-energy-storage structural design, and bidirectional conversion between electric energy and gravitational potential energy is achieved through a clutch mechanism. And the intelligent control unit dynamically adjusts the floating threshold by combining the predicted wind speed and the historical power fluctuation rate, so that the adaptability of the system to different wind fields is improved. The intermittent problem of wind power generation is solved through cooperative control of power generation and energy storage, the fluctuation amplitude of output power is reduced, peak clipping and valley filling can be achieved through a two-way energy conversion mechanism, energy release and power supply are achieved in the power demand peak period, energy storage is achieved in the power demand valley period, the overall energy efficiency of a power grid is improved, and energy waste is avoided.

The application discloses a kind of integrated immobilized microorganism scenic spot sewage treatment equipment based on solar energy, it is related to sewage treatment technical field, including integrated treatment pool and solar power generation system for power supply, wherein integrated treatment pool includes left pool body, right pool body and water tank, left pool body, right pool body are separated by intermediate partition, water tank is located at the water outlet side of right pool body;Deposition tank and hydrolysis acidification tank are arranged in left pool body from top to bottom, MBR membrane biological reaction tank, three-phase separator and biological contact oxidation tank are arranged in right pool body from top to bottom;The top of water tank is provided with a section of water outlet pipe and is communicated with MBR membrane biological reaction tank.The present application is compact in layout, flexible in use, realizes the step-by-step treatment of sewage, and realizes real-time online monitoring, effectively removes organic pollutants, total nitrogen, ammonia nitrogen and the like, has good purification effect, and the effluent can be used for scenic spot greening irrigation water, realizes the recycling of water resources, and greatly saves water resources.

The present application discloses a combiner device, a photovoltaic power generation system, and a fault detection method, the combiner device including at least two photovoltaic power generation strings connected in parallel, further including a current detection circuit for detecting the current of each photovoltaic power generation string, a voltage detection circuit for detecting the voltage of the photovoltaic power generation strings connected in parallel, an insulation impedance detection circuit for detecting the insulation impedance of the photovoltaic power generation strings connected in parallel, and a controller for determining whether a reverse connection fault occurs in the photovoltaic power generation string based on the current, voltage, and insulation impedance. When determining the photovoltaic power generation string, the three parameters of the current, voltage, and insulation impedance are comprehensively determined to accurately determine whether a reverse connection fault actually occurs in the photovoltaic power generation string, thereby reducing the impact of erroneous determination on the power generation amount, and the current alone cannot accurately determine whether a reverse connection fault occurs, and the current may be reversed due to other faults.

The present application relates to the technical field of photo-thermal power generation, in particular to a fluidized bed reactor and a supercritical carbon dioxide combined solar power generation system. The system comprises a calcination system, a heat exchange system, a power generation system and a fluidized bed reactor. The calcination system comprises a solar heating module, a calcination reactor, a calcium carbonate storage container, a carbon dioxide storage unit and a calcium oxide storage container connected with the calcination reactor respectively; the power generation system comprises a first power generation system and a second power generation system; the inlet of the first power generation system is connected with the carbon dioxide storage unit; a pipe-in-pipe is arranged in the fluidized bed reactor for circulating supercritical carbon dioxide; the pipe-in-pipe is connected with the second power generation system. The present application has higher thermal efficiency, more stable fluidization performance and higher energy utilization rate through the integration of the pipe-in-pipe fluidized bed reactor, supercritical CO2 Brayton cycle and two-stage expansion power generation, and solves the problems of low overall cycle power generation efficiency and low thermal efficiency in the prior art.

This invention discloses a combined solar power generation and gravity energy storage power supply system and method. The power supply system includes a solar power generation system, a gravity energy storage system, and an intelligent control system. The intelligent control system presets a power generation threshold and dynamically controls the gravity energy storage system to store or release energy based on the difference between the real-time solar power generation and the threshold, thus stabilizing the combined output power. The gravity energy storage unit adopts a symmetrical double-sloped support tower and a dual energy storage structure design, achieving bidirectional conversion between electrical energy and gravitational potential energy through a clutch mechanism. The intelligent control unit dynamically adjusts the floating threshold based on predicted wind speed and historical power fluctuation rate, improving the system's adaptability to different wind fields. The coordinated control of power generation and energy storage solves the intermittency problem of wind power generation, reduces the amplitude of output power fluctuations, and the bidirectional energy conversion mechanism can achieve peak shaving and valley filling, releasing energy to supply power during peak electricity demand and storing energy during off-peak times, improving the overall energy efficiency of the power grid and avoiding energy waste.

The application discloses a sewage ecological monitoring and purifying device for water environment treatment, which comprises a buoyancy box and a collecting ring arranged outside the buoyancy box, wherein the collecting ring is provided with water-permeable holes, a collecting net and an opening and closing arc-shaped plate, and the intelligent collection of floating objects on the water surface is realized by cooperation with a guide plate; the device is provided with liftable detection probes and telescopic mechanisms, so that the monitoring of water quality in different water depths can be realized; and the device is provided with a camera mechanism, a weather monitor and a solar power generation system, so that real-time monitoring and self-power operation can be realized; the angle of the guide plate is controlled through a multistage driving and limiting structure, so that the opening direction of the opening and closing arc-shaped plate is always opposite to the wind direction or the water flow direction, and the collection efficiency of floating objects is improved; the overall device has high adaptability and stable operation, and is suitable for water pollution treatment and ecological monitoring.

To provide an energy management system that can properly initiate hot water storage operation. [Solution] An energy management system that manages the exchange of power between a solar power generation system, an HP-type water heater, and other equipment comprises a first detection unit that detects the amount of power generated by the solar power generation system, a second detection unit that detects the amount of power consumed by the other equipment, and an operation planning unit for the HP-type water heater. When performing hot water storage operation during daytime hours, the operation planning unit determines whether to start hot water storage operation of the HP-type water heater if the difference between the amount of power generated by the solar power generation system and the amount of power consumed by the other equipment is greater than the amount of power consumed when the HP-type water heater is operating at its minimum capacity. In this case, the operation planning unit determines whether to start hot water storage operation of the HP-type water heater during daytime hours by predicting that the amount of power generated is 0 or increasing based on the rate of change in the amount of power generated, and predicting that the amount of power consumed by the other equipment is 0 or decreasing based on the rate of change in the amount of power consumed by the other equipment.

The invention belongs to the technical field of seawater pond culture tail water treatment, discloses a facility system for seawater pond culture tail water treatment and a use method thereof, and solves the problems of separation of purification and recycling, poor unit collaboration and insufficient clean energy utilization in the prior art. The system comprises a water inlet gate, an ecological settling pond, a functional filler filter dam, a shellfish culture beach face, a water outlet gate, a matched seawater vegetable ecological floating bed, an ecological oyster reef and an ecological defense ditch which are communicated along water flow, a seepage well with a supporting layer and a gravel layer is arranged on the boundary of the system, and the seepage well and a slope water distribution pipe network form internal circulation. A solar power generation system is arranged above the functional filler filter dam, and a control system regulates and controls the gate according to the tidal cycle. According to the method, beach face dry and dew alternation is achieved through tide regulation and control, and tail water treatment is completed in combination with internal circulation irrigation and multi-stage purification. The system realizes efficient purification of tail water and recycling of nitrogen and phosphorus, is high in energy self-sufficiency, and is suitable for seawater pond culture tail water treatment.

The present application provides a kind of rural domestic sewage treatment system and treatment method, including solar power generation system, anaerobic tank, anoxic tank, photobioreactor A, sedimentation tank, photobioreactor B and ecological pond seven parts.Solar power generation, traditional A2O process, photobioreactor and ecological pond technology are coupled, and the oxygen tank in A2O is replaced by photobioreactor, oxygen production by algal photosynthesis is used to replace mechanical aeration, energy consumption and cost are reduced;Part of the algal cells are fermented and used as carbon source to improve the carbon-nitrogen ratio of wastewater and enhance the removal of total nitrogen;Residual algal cells are used to cultivate zooplankton to provide bait for fish and shrimp, thereby realizing the resource utilization of wastewater, reducing the amount of residual sludge and the cost of wastewater treatment.