8results about How to "Reduce design capacity" patented technology

The invention provides a photovoltaic photo-thermal coupling distributed energy complementary energy supply system and method, and the system comprises a gas power generation system which comprises a gas turbine generator set. The waste heat boiler system comprises a waste heat boiler; the steam turbine power generation system comprises a steam turbine generator set; the photovoltaic and photo-thermal power generation system comprises a photovoltaic and photo-thermal integrated device; the waste heat exchange system comprises a first heat exchange device and a second heat exchange device; according to the system, energy flow between systems is optimized in a heat energy recovery and multi-energy coupling mode, the energy utilization efficiency is improved, and the operation cost is reduced. According to the invention, waste heat of the back plate of the photovoltaic module is utilized to preheat natural gas at an inlet of the gas turbine and make-up water of the waste heat boiler in advance, so that the problems of a cooling cold source of the back plate of the photovoltaic module and freezing prevention in a low-temperature environment are solved, and the problems of corrosion of a turbine nozzle of the gas turbine and low-temperature corrosion of a boiler mortgage economizer are solved; waste heat generated by the photovoltaic module is deeply coupled with the natural gas heating system and the waste heat boiler feed water waste heat system.

The utility model belongs to the technical field of compressed air preparation, and particularly relates to a compressed air supply system, which is characterized by comprising a screw air compressor, an efficient degreaser, a refrigerated dryer, a micro-heat regeneration air dryer and a fine dust filter, an outlet of the screw air compressor is connected with a compressed air tank for desulfurization and production, an outlet of the freezing dryer is respectively connected with a micro-heat regeneration air dryer and a compressed air tank for dust removal, and an outlet of the micro-heat regeneration air dryer is sequentially connected with a fine dust filter and a purified compressed air tank for an instrument. Compared with the prior art, the system has the beneficial effects that corresponding process routes are formulated according to the quality requirements of different types of compressed air, energy is utilized in a gradient manner, and good economic benefits and social benefits are created.

The utility model relates to the technical field of nitrogen vulcanization cyclic utilization cooling, and provides a cooling system applied to gas-liquid two-phase fluid, which comprises an air cooler connected with a nitrogen recovery pipeline, the shell-and-tube heat exchanger is connected with the air cooler in series, an air inlet of the shell-and-tube heat exchanger is connected with the shell-and-tube heat exchanger through a pipeline, and an air outlet of the shell-and-tube heat exchanger is connected with the supercharger through a pipeline; and the shaping nitrogen storage tank is connected to a pipeline between the air cooler and the shell-and-tube heat exchanger. According to the utility model, the air cooler and the shell-and-tube heat exchanger connected in series with the air cooler are arranged, so that the heat dissipation of the recovered nitrogen is greatly reduced, the shaped nitrogen with higher temperature is provided, and the steam consumed in the tire shaping process is further reduced. Meanwhile, the cooling capacity of air is fully utilized through graded cooling of the air cooler and the shell-and-tube heat exchanger, the design capacity of the shell-and-tube heat exchanger, the design capacity of the normal-temperature cooling water pump and the design capacity of the cooling tower are reduced, and the operation and maintenance cost is reduced.

This solar power generation device for a vehicle is provided on a base bracket on the roof of the vehicle, and is provided with a frame, a chuck member for fixing the frame to the base bracket, a slide rail, and a solar power generation panel. Furthermore, the solar power generation panel has a fixed panel fixed to the frame and located at the uppermost portion, and a movable panel located on the lower side of the fixed panel, a fixed rail of the sliding rail is fixed to the frame, and the movable panel is supported by a movable rail and unfolded / stored, so that the solar power generation panel is fixed to the frame. Thus, it is possible to provide a vehicular solar power generation device capable of increasing the amount of power generated by a solar power generation panel while preventing a decrease in designability.

The invention provides a power supply system and method for a direct-current fast charging station of an electric vehicle and the fast charging station, and the power supply system comprises a communication module which is used for obtaining the power capacity of a transformer and the output power of each charging pile; the data processing module is used for obtaining the total charging power according to the output power of each charging pile; the judgment module is used for judging whether the total charging power is greater than the power capacity of the transformer or not and outputting a judgment result; and the control module is used for adjusting the allowable output power of each charging pile based on the electric power capacity of the transformer and the judgment result so as to meet the load management of the charging station. The allowable output power of the charging pile is adjusted according to the electric power capacity of the transformer, and the design capacity of the transformer is reduced while continuous charging of the electric vehicle is met, so that the construction cost of the whole charging station is greatly reduced and saved.

The present application relates to desulfurization technical field, specifically to a kind of under-liquid slurry supply desulfurization absorption tower and desulfurization method thereof, including tower body, spray layer, oxidizing air pipe, slurry circulating pump, gypsum discharge pump and agitator, further including a under-liquid slurry supply pipeline, slurry pool is equipped in the tower body, slurry supply outlet is equipped on the under-liquid slurry supply pipeline, the slurry supply outlet is arranged on the lateral wall of slurry pool area, the slurry supply outlet position is higher than the effective stirring depth of the agitator paddle, but lower than the slurry pool liquid level position of traditional under-liquid slurry supply.The present application makes that gypsum quality is radically improved, system efficiency and energy saving are remarkable, limestone utilization rate approaches theoretical optimum value, system adaptability is strong, investment potential is big.

The invention relates to a valuing method and device for high temperature duration of a nuclear power plant, a storage medium and electronic equipment. The method comprises the following steps: determining a daily temperature change curve; the daily temperature change curve is analyzed, and the envelope area of heat input is determined; and calculating according to the envelope area of heat input to obtain the duration of high temperature. On the premise that nuclear safety is not reduced, the design capacity of the nuclear island ventilation air-conditioning system of the nuclear power plant is reduced, and cost is saved. And meanwhile, the margin of the current nuclear power plant nuclear island ventilation air-conditioning system to the high temperature can be obtained, and reference is provided for margin analysis. And the influence of climate change on the nuclear island ventilation air-conditioning system of the nuclear power plant can also be rechecked for the nuclear power plant in operation in combination with the method.

A fruit tree toy (100) provided with a fruit toy (1) and a main body (2). The main body (2) has: an entrance portion (21) for placing the fruit toy (1) into the inside of the main body (2); an exit portion (23) for taking out the fruit toy (1) placed from the entrance portion (21) to the outside of the main body (2); and a housing portion (26) disposed between the entrance portion (21) and the exit portion (23) and capable of housing the fruit toy (1). The housing portion (26) includes: a first member (261) having a pressing portion (2613) pressed by a user; and a second member (262) applying force to the first member (261) in a first direction (D1). In a state where the pressing portion (2613) is not pressed by the user, the fruit toy (1) housed in the housing portion (26) is supported by a first space (S1) formed between the first member (261) and the main body (2), and when the pressing portion (2613) is pressed by the user, at least a part of the first member (261) moves in a second direction (D2) opposite to the first direction (D1), whereby the first space (S1) is expanded in diameter, and the fruit toy (1) is taken out from the exit portion (23) to the outside of the main body (2).