On-site leakage treatment steps of gas holder

The gas holder is one of the very large gas storage tanks. It is welded from steel and widely used for the storage of chemical gas and city gas. It is divided into dry gas holders
Compared with the wet gas holder, the dry gas holder is used to stabilize and adjust the output pressure by the lifting and lowering of the internal large area piston. The installation accuracy and component processing accuracy are relatively high, and the construction difficulty is greater than that of the wet gas holder, but the floor area is relatively small, the storage pressure is high, the stability ratio is good, the service life is long, and the steel is relatively less polluting the environment.
The gas holder is the most vulnerable to leakage crisis in long-term operation, and the repair is also very troublesome. Let's take an example first:
30000 m for an enterprise ³ The gas holder stores the converter gas, and the sealing form is rubber membrane; Nominal volume: 30000 m ³； Working pressure: 4KPa; Upper limit of reserves: 24000 m ³； Operation mode of gas holder: series connection; Function: The converter gas enters the gas tank for storage and homogenization, and is pressurized into the gas pipeline through the Roots blower.
A total of 13 leakage points were found at the site, with a large amount of leakage. Due to the poor dust removal and filtration systems of the enterprise, the water content and tar content in the gas are high, which increases the difficulty of leakage treatment.