5000 m3n/h hydrogen production plant

Thread Content

Operating Guidelines for 5000 m3/nh Hydrogen Production Plant
Table of Contents
Section 1: General Overview of the Plant... 3
Section 2: Purging and Flushing of the Plant... 9
Section 3: Pump Testing and Compressor Commissioning... 10
Section 4: Heating Up of the Raw Material Preheating Furnace... 10
Section 5: Hot Nitrogen Testing... 13
5.1 Overview of Hot Nitrogen Testing... 13
5.2 Conditions Required for Hot Nitrogen Testing... 14
5.3 Airtightness Checks... 14
5.4 Establishing a Cold Nitrogen Circulation System... 15
5.5 Heating Up of the Converter (F4002)... 15
5.6 Alkali Treatment and Testing of the Steam Generation System... 19
5.7 Adjusting Process Parameters to Evaluate Equipment and Instrument Performance... 22
5.8 Accident Simulation... 22
5.9 Completion of Hot Nitrogen Testing with System Cooling and Pressure Reduction... 24
Section 6: Performance and Loading of Catalysts... 25
6.1 Introduction to Catalyst Performance... 25
6.2 Loading of Catalysts... 30
6.3 Loading of Conversion Catalysts... 31
6.4 Loading of Hydrogenation, Desulfurization, Dechlorination, and Medium-Pressure Conversion Catalysts... 33
Section 7: Load Testing of the Plant... 35
7.1 Schedule for Load Testing of the Plant... 35
7.2 Airtightness Checks and Nitrogen Purging of the Plant... 35
7.3 Starting Up of the Desulfurization System... 35
7.4 Reduction of Conversion and Medium-Pressure Conversion Catalysts... 40
7.5 Introducing Gas to the Conversion Unit and Continuing Desulfurization with Medium-Pressure Conversion Catalysts... 43
7.6 Commencing Operation of the PSA Unit... 44
7.7 Adjusting Operating Parameters to Supply Hydrogen to Users... 44
Section 8: Adjustments for Normal Production... 45
8.1 Adjustments in the Desulfurization Unit... 45
8.2 Adjustments in Conversion Operations... 45
8.4 Control and Adjustment of Liquid Level in the Medium-Pressure Steam Separator... 47
8.5 Adjustment of Inlet Temperature in the Medium-Pressure Reactor... 47
8.6 Quality of Boiler Water... 47
8.7 Control of Fuel Gas Pressure... 47