2 results about "Steam accumulator" patented technology

The application discloses a nuclear power plant steam extraction heat supply system with a steam heat accumulator, comprising a power generation module, a steam extraction module, a heat supply module and a heat accumulator module: a steam generator is connected with a high-pressure cylinder, a low-pressure cylinder and a condenser in sequence; the low-pressure cylinder is connected with a generator; a steam extraction inlet is connected with a steam pipeline between the high-pressure cylinder and the low-pressure cylinder; a first steam extraction outlet and a second steam extraction outlet are connected with a first steam inlet, the second steam extraction outlet is connected with a second steam inlet, a steam outlet of the low-pressure cylinder and the first steam extraction outlet are connected with a steam inlet of the condenser, a condensate outlet of the condenser is connected with an inlet of a feed water pump through a water extraction port, and an outlet of the feed water pump is connected with a second water inlet. The application uses condenser warm drainage as the water inlet of the steam heat accumulator, can enhance the flexibility of the nuclear power plant heat supply, improve the upper limit of the heat supply capacity, improve the heat utilization efficiency of the reactor and prolong the service life of the steam heat accumulator under the premise of no adjustment of the steam extraction amount and stable power operation of the reactor.

The application discloses a small-pipe-loss distributed industrial steam supply system and method suitable for power peak regulation, and the system comprises a steam turbine, a boiler for delivering steam to the steam turbine, a feedwater unit, a heat storage and release unit coupled with the boiler and the steam turbine, and a control unit; the heat storage and release unit comprises an adjusting assembly, a steam accumulator, a steam heat exchanger and an air source ultra-high temperature heat pump; the input end of the steam accumulator is connected with the feedwater unit and the steam heat exchanger, and the output end of the steam accumulator is communicated with the air source ultra-high temperature heat pump; the control unit is electrically connected with the adjusting assembly and the air source ultra-high temperature heat pump respectively, and is used for controlling the operating state of the adjusting assembly and the air source ultra-high temperature heat pump according to the steam turbine load signal, the electricity price signal and the steam extraction parameter in the steam accumulator. The application can improve the flexibility and peak regulation capacity of the unit, reduce the pipeline investment cost, and ensure stable heat supply of the unit.