Pressure relief issues in acidic water storage tanks
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The acidic water storage tank in our facility is not connected to the flare system pipelines; it is only connected to the deodorization section (when the pressure in the tank rises, the pressure is released through the deodorization system before being vented directly). The pressure in the tank is greatly affected by temperature, requiring frequent pressure regulation. Where are the devices that consist of acidic water storage tanks, from which volatile acidic gases are pressurized using fans and then sent to systems such as flaring systems or gas treatment systems? Introduce the general process and usage
The deodorization system employs an appropriate deodorization process, allowing the deodorized gas to be discharged into the low-voltage pipeline network; it has been put into use and yields good results.
Is there no water seal tank? It should be that high pressure causes the odors to break through the water seal in the tank and enter the deodorization system, allowing the water in the tank to absorb some of those odors as well
Could you be more specific? Including which factory, what equipment, and what specific process is used
The supergravity reactor deodorization process from the Fuyan Research Institute is adopted, along with online analysis of oxygen content and interlocked switching. It has already been used by several companies in acidic water stripping units. CNOOC Hui Lian is also making preparations.
Ammonia is removed by water washing; hydrogen sulfide is removed from the ammonia-poor liquid, and the pressure is increased using a water ring pump to send it to the low-pressure flare
Using two-stage deodorization and then sending the gas to a low-pressure flare with a blower works well!
This air volume must be unstable, right? Does the operation of the blower have an impact on it?
The air volume remains relatively stable; there are slight fluctuations when the sun is out in summer, but they don’t have much impact!
We use acid gas water ring pumps; the gas at the top of the tank passes through two water seal tanks and the acid gas water ring pumps before entering the amino acid-containing acid gas separation tank.
Add a supergravity absorption process; it’s simple. Together with the water-sealed tank, the gas phase pressure is controlled via rotation speed, and after absorption by the alkaline solution, the gas is directly released into the atmosphere