Texaco coal water slurry gasification unit high ash pump pressurized grey water treatment process diagram

Texaco pressurized coal-water slurry gasification technology for process is simple, do not pollute the environment, the strong adaptability, large production capacity, of coal gasification and high pressure, good quality of syngas, open parking convenient, add and subtract load faster, gasifier has simple structure, can be continuous and stable operation, etc, occupy the bigger market share in China.

Texaco pressurized coal-water slurry gasification technology include coal-water slurry preparation, pressurized gasification and high ash water pump grey water treatment three parts, the gasification part is the core of the package unit. Good for Texaco process as an example, the following two pieces of the graph is typical Texaco coal-water slurry pressurized gasification technology roadmap. Usually in the gasifier temperature of 1200 ℃, depending on the scale of production and demand of next working procedure, gasifier gasification pressure with 4. 0 MPa、6. 5 MPa、8. 5 MPa three classes. Coal water slurry gasification process in the pump equipment is more, device introduced early rely on imports, the pump industry more than 10 years of efforts, through the import of digestion and absorption of the pump to create, in addition to the high-pressure coal slurry water pump a few still dependent on imports, other have localization.

Texaco pressurized coal-water slurry gasification unit high ash pump grey water treatment process diagram

high pressure is the role of ash pump ash grey water in the sink after flash heat exchanger to carbon scrubbers. The pump flow, head high, medium contains a certain amount of ash, generally USES the multistage centrifugal pump is symmetrical type, as shown in the figure below.

but high-speed pump or balance disc, balancing drum using multistage pump problems more or less. industry to use self balancing without balancing device can improve the life of the pump, multi-stage water pump effect is good, long service life.

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