5results 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 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.

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).