A system for producing a high-purity and high-activity vanadium electrolyte, comprising a vanadium oxytrichloride storage tank a gas phase ammoniation fluidized bed, a reduction fluidized bed, a pre-cooling device, a secondary cooling device, a low-valence vanadium oxide feeding device, a dissolution reactor, and an activation device;
- wherein the gas phase ammoniation fluidized bed comprises a vanadium oxytrichloride vaporizer, a purified ammonia liquor vaporizer, a chloride spray gun, a gas phase ammoniation fluidized bed body, a first cyclone separator, and an ammonium chloride settling tower;
- the reduction fluidized bed comprises a material valve, a bed body, a discharger, a gas heater, a gas purifier, and a second cyclone separator;
- the pre-cooling device comprises a cyclone cooler and a third cyclone separator;
- the low-valence vanadium oxide feeding device comprises a low-valence vanadium oxide hopper and a low-valence vanadium oxide screw feeder;
- wherein a feed outlet at the bottom of the vanadium oxytrichloride storage tank is connected with a feed inlet of the vanadium oxytrichloride vaporizer through a pipeline;
- the feed inlet of the vanadium oxytrichloride vaporizer is connected with a purified nitrogen gas main pipe through a pipeline;
- a gas outlet of the vanadium oxytrichloride vaporizer is connected with a gas inlet of the chloride spray gun through a pipeline;
- a feed inlet of the purified ammonia liquor vaporizer is connected with a purified ammonia liquor main pipe and the purified nitrogen gas main pipe through pipelines;
- respectively;
- a gas outlet of the purified ammonia liquor vaporizer is connected with a gas inlet at the bottom of the gas phase ammoniation fluidized bed body through a pipeline;
- a feed outlet at the upper part of the gas phase ammoniation fluidized bed body is connected with a feed inlet of the material valve through a pipeline;
- the first cyclone separator is provided at the center of the top of the expansion section of the gas phase ammoniation fluidized bed body;
- a gas outlet of the first cyclone separator is connected with a gas inlet of the ammonium chloride settling tower through a pipeline;
- and a gas outlet of the ammonium chloride settling tower is connected with a gas inlet of a tail gas absorption system through a pipeline;
- a feed outlet of the material valve is connected with a feed inlet of the bed body through a pipeline;
- an aeration air inlet of the material valve is connected with the nitrogen gas main pipe through a pipeline;
- a feed outlet of the bed body is connected with a feed inlet of the discharger through a pipeline;
- a feed outlet of the discharger is connected with a feed inlet of the third cyclone separator through a pipeline;
- a gas inlet of the bed body is connected with a gas outlet of the gas heater through a pipeline;
- a gas inlet of the gas heater is connected with a gas outlet of the gas purifier and a gas outlet of the third cyclone separator through pipelines, respectively;
- a combustion air inlet of the gas heater connected with a compressed air main pipe through a pipeline;
- a fuel inlet of the gas heater is connected with a fuel main pipe through a pipeline;
- a gas inlet of the gas purifier is connected with a reducing gas main pipe through a pipeline;
- the second cyclone separator is provided at the center of the top of the expansion section of the bed body;
- and a gas outlet of the second cyclone separator is connected with the gas inlet at the bottom of the gas phase ammoniation fluidized bed body through a pipeline;
- a gas inlet of the cyclone cooler is connected with the purified nitrogen gas main pipe through a pipeline;
- a feed outlet of the cyclone cooler is connected with a feed inlet of the secondary cooling device;
- a gas outlet of the cyclone cooler is connected with a gas inlet of the third cyclone separator through a pipeline;
- and a feed outlet of the third cyclone separator is connected with the gas inlet of the cyclone cooler through a pipeline;
- a feed outlet of the secondary cooling device is connected with a feed inlet of the low-valence vanadium oxide hopper through a pipeline;
- a process water inlet of the secondary cooling device is connected with a process water main pipe through a pipeline;
- and a process water outlet of the secondary cooling device is connected with a water cooling system through a pipeline;
- a feed outlet at the bottom of the low-valence vanadium oxide hopper is connected with a feed inlet of the low-valence vanadium oxide screw feeder;
- and a feed outlet of the low-valence vanadium oxide screw feeder is connected with a feed inlet of the dissolution reactor through a pipeline;
- a clean water inlet of the dissolution reactor is connected with a clean water main pipe through a pipeline;
- a sulfuric acid inlet of the dissolution reactor is connected with a sulfuric acid main pipe through a pipeline;
- a gas outlet of the dissolution reactor is connected with a gas inlet of the tail gas absorption system through a pipeline;
- and a primary electrolyte outlet of the dissolution reactor is connected with an electrolyte inlet of the activation device through a pipeline.