The pre-water injection for high-pressure air cooling that I have seen
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1. Desalinated water is used for water injection; of course, there is also a mixture of cooling water from the distillation tower top and regenerated water, with a temperature of around 45 degrees. 2. For direct injection of deoxygenated water, the temperature of this water is around 110 degrees; it is directly poured into the water tank and then pumped into the air cooler through a water pump. 3. Deoxygenated water enters the device, where air cooling takes place; after cooling, it is then injected before high-pressure air cooling. Are there any other types of injection methods besides these three? Sea friends, how do you carry out water injection in your systems? Feel free to add more.
Last time I saw it, a nozzle was added before filling with water
Can direct injection of demineralized water be used? Won’t the oxygen in demineralized water reduce sulfur to its elemental form?
Here, we have purified water free of brine and sulfur, and occasionally acidic water from the distillation reflux tank. As for the so-called oxidation of hydrogen sulfide, it shouldn’t exist; if it oxidized so easily, sulfur recovery would be simple.
Deionized water, acidic water after stripping in the hydrogen production plant, purified water
Hot well condensate plus system softened water
Deoxygenated water should be injected under suitable conditions, while demineralized water should be used when such conditions are not available. Water with a high ammonia nitrogen content should generally be injected at the water injection point before electrodialysis. The use of hydrogenated water injection is not recommended. Water injection is just one aspect; the key lies in the use of water injection equipment (nozzles).
Steam condensate, that is, condensed water
All new units should be filled with deoxygenated water; generally, intermittent water injection is carried out at the feed and discharge heat exchangers, while continuous water injection is applied before air cooling.