Small low-temperature air separation equipment
Product Description
Air separation system
This device is a molecular sieve air purification, is expanding cryogenic process flow; comprehensive consideration of economic, operational, the lower column plate column, the column for the structured packing tower.
Inhaled from the atmosphere through the filter of air filtered into the air compressor, cooling by blowing compressed step by step after the pre-cooling system into the air cold and dry, and separated in the water condensate separator, and then enter the purification system of water adsorption tube removal cent, carbon dioxide and most of the hydrocarbons. Purified air into the fractionating tower in the heat exchanger cold box, and the reflux in which oxygen, nitrogen and nitrogen pollution hot-swap, then part of the air flow under the tower section, the other out into the air from the heat exchanger through the central Ping expander expansion refrigeration, air temperature after expansion into the tower (or part of the nitrogen into the sewage pipeline after reheating, shorting). In the next column of air is the initial separation, the top of the liquid nitrogen, the bottom of the liquid air; liquid air out from under the tower at the bottom of the tower through the cooler into the middle of liquid nitrogen out from under the tower at the top of the tower through the cooler into the top . After the air charge in the tower
Minutes after distillation, condensation from the evaporator tower bottom liquid oxygen to make products out of oxygen, the product of oxygen through the heat exchanger after reheating, cold box fractionation column outside discharge. Product oxygen buffer by storing air bag after the filling into the oxygen compressor pressurized oxygen cylinders after the sale.
Extract nitrogen from the tower at the top of cold air by the liquid nitrogen, heat exchangers heat recovery fractionation tower emptied after discharge or after the nitrogen compressor pressurized pipeline sent to users via technology, or is fed into the cylinder sales. Nitrogen pollution Nitrogen pollution from the tower mouth out by the heat exchanger after reheating, as a purifier and then angry or shorting.
Technical parameters
Nitrogen :100-3000Nm3 / h purity: ≥ 99.99%
Oxygen :50-1000Nm3 / h purity: ≥ 99.60%
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