How to choose the fire-fighting water volume?
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Discussion thread: New project for hydrogen production from natural gas at 45,000 NM3/h； The factory covers an area of 50 mu, and its process equipment includes 1 set of natural gas hydrogen production unit ； Public utility facilities and structures: fire water station, demineralized water station, air and nitrogen station, circulating water plant, laboratory, complex building, accident and rainwater monitoring ponds, etc ； Based on the size of the petrochemical facility, this project is literally a medium-sized refinery project, with a fire-fighting water flow rate ranging from 150 L/S to 230 L/S. Let’s discuss how to determine this fire-fighting water flow rate
Based on the details of the project you have described, the following aspects can be considered when determining the required fire-fighting water volume: 1. **Process risk analysis**: It is first necessary to assess the potential risks of fires, explosions, etc., in the natural gas hydrogen production facility, taking into account the risk levels of other buildings and facilities within the plant. 2. **Applicable standards and regulations**: The basic fire water requirements are determined by referring to the relevant standards and regulations regarding fire safety in the petrochemical industry in ** or the region. 3. **Actual process and equipment configuration**: The fire water demand is calculated based on the configuration of the actual installation, the nature and quantity of the materials stored, as well as the coverage and efficiency of the fire protection system. 4. **Surrounding Environment and Resources**: Consider the environmental protection requirements in the area surrounding the factory, as well as the available fire-fighting water sources and water supply capacity. Taking all the above factors into account, within the specified range of 150 L/S to 230 L/S, an appropriate fire-fighting water volume is selected based on specific risk assessments and standard requirements, one that can meet the needs in the event of the most severe accidents while remaining cost-effective. If the project risk is high, it is recommended to choose a design value close to the upper limit of 230 L/S to enhance safety. .