Water-gas common-cabin electric power energy storage system utilizing high pressure gasholder to maintain constant pressure

Abstract

The invention discloses a water-gas common-cabin electric power energy storage system utilizing a high pressure gasholder to maintain constant pressure. The water-gas common-cabin electric power energy storage system comprises a water-gas common-cabin, a compressor unit, a water pump unit, a water storage pool and a water turbine, wherein a water exhaust port of the water turbine supplies inlet water to the water storage pool through a pipeline, the water pump unit pumps water from the water storage pool through a pipeline, a gas exhaust port of the gas compressor unit is communicated with the water-gas common-cabin, a water outlet of the water-gas common-cabin is communicated with the water turbine, and a generator is driven by the water turbine to generate electricity for outputting electric energy. The water-gas common-cabin electric power energy storage system is characterized by also comprising a supercharger and the high pressure gasholder, wherein the high pressure gasholder is connected with two pipelines, one pipeline is communicated with an outlet at the upper part of the water-gas common-cabin through the supercharger, a water and gas separator and a first electric control valve, and the other pipeline is communicated with an inlet at the upper part of the water-gas common-cabin through a second electric control valve.

Description

technical field [0001] The invention relates to a system for physical energy storage of electric energy, in particular to a system for realizing electric energy storage by utilizing a water-air coexistence chamber. Background technique [0002] With the depletion of traditional fossil energy, the utilization of renewable energy has been paid more and more attention. The development of renewable energy has become a top priority in many countries. However, the inherent randomness and volatility of renewable energy such as wind energy, solar energy, and biomass have brought great challenges to the development of new energy sources around the world. How to solve the volatility of renewable energy is the key to the development and utilization of renewable energy. In recent years, China's wind power and solar power have developed rapidly. Since 2010, China's wind power installed capacity has leapt to the first place in the world. By the end of 2013, China's cumulative installed ...

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Problems solved by technology

[0007] However, in the process of the steam boiler replenishing water vapor into the water-gas compatible cabin, since the high-temperature steam enters the water-gas compatible cabin, the water temperature, gas temperature and environment in the water-gas compatible cabin The temperature is similar, and the high-temperature water vapor will inevitably exchange heat with the medium in the water-gas coexis

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