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The development trend of biogas purification

The development trend of biogas purification
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The lower and upper columns are the main equipment in the distillation system of cryogenic oxygen air separation plant. The lower column and the upper column separate the components of the mixture gas into different components with the required purity by using the different boiling points. The upper and lower columns are of cylindrical structure. The lower column is equipped with multi-layer sieve plates, and the sieve plate is equipped with overflow bucket. There is an overflow baffle with dense holes. The upper column is equipped with regular packing and liquid distributor. In the distillation process of the lower column, the liquid flows through each sieve plate one by one from top to bottom. Due to the effect of overflow weir, a certain height of liquid level is created on the pedal. When the gas passes through the small hole of sieve plate from bottom to top, it contacts with the liquid and produces bubbles, which increases the gas-liquid contact area and makes the heat and mass e
Sep 24, 2024
Problems with the liquid level gauge can occur in three ways: high, low or unstable indications.First of all, check whether the liquid level meter is leaking, pass an air source into the positive pressure chamber and block the negative pressure chamber to see if there is any air leakage. The high indication is generally due to a leak in the negative pressure chamber, which increases the differential pressure; the low indication is due to a leak in the positive pressure chamber, which decreases t...
Aug 29, 2024
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