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Cryogenic Air Separation Plant 500/1000Nm3/h KDON-500/1000 Air Separation Unit Combustion Gas
Specifications:
The followings are the standard products for the Cryogenic Air
Separation Plant KDON 500~1500 series which are manufactured by our
company. For particular product can be calculated and designed
based on the actual requirements.
MODEL CONTENTS | KDON-500/4000 | KDON-500/500 | KDON-1500/3000 | KDON-650/650 | KDON-600/600 | |
GOX flow | Nm3/h | 500 | 500/50(Y) | 1500 | 650 | 600 |
GOX purity | % | 99% | 99.6% | 99.6% | 99.6% | 99.6% |
GOX pressure | kPa | 20 | 35(200) | 15 | 24 | 24 |
GAN flow | Nm3/h | 500/3500 | 500 | 3000 | 650 | 600 |
GAN purity | % | ≥99.6%N2 | ≤10ppmO2 | ≤10ppmO2 | ≤5ppmO2 | ≤10ppmO2 |
GAN pressure | kPa | 7 | 18 | 10 | 18 | 18 |
Typical Product:500/1000Nm3/h KDON-500/1000 Air Separation Unit
Output, purity and pressure
Flow (Nm3/h) | Purity | Pressure kPa(G) | |
GOX | 500 | ≥99.6%O2 | 15 |
GAN | 1000 | ≤10ppmO2 | 8 |
Description:
The proposed Air Separation Plant employs a process in which air
is purified by molecular sieve at normal temperature, and booster
expansion turbine is used to produce refrigerating capacity. The
feed air sucked through air intake is cleaned of dust and other
mechanical impurities in air filter AF and compressed to a pressure
by air compressor. The compressed air flows into air precooling
system for being cooled. The air comes from the air precooling
system with temperature reduced to saturated state flows into
switched molecular sieve adsorber. The purified air is divided into
three streams: one stream is fed out to be instrument air; another
stream enters main heat exchanger to be cooled to the saturated
temperature by reflux gas and then enters lower column; the rest,
of which its content is similar with swelling capacity, enters
booster to be boosted, and then enters main heat exchanger after it
is cooled, then it is fed out of the middle portion and fed into
expander, the expanded air is fed into lower column. Following
preliminary rectification in lower column, the liquid air is
obtained from the bottom of lower column and the liquid nitrogen is
obtained from the top. Liquid air and liquid nitrogen drawn from
lower column enter liquid air/liquid nitrogen subcooler to be
subcooled and then it is fed into relevant position of upper
column. Following further rectification, liquid oxygen is obtained.
The waste nitrogen gas obtained at the top of upper column is fed
out of cold box after it is subcooled in subcooler and re-warmed in
main heat exchanger. Then it is discharged after meeting the need
as the gas for regeneration of molecular sieve first.
Applications:
1. Water and wastewater treatment
2. Petroleum refining
3. Medical Gas
4. Balance Gas
5. Pulp & Paper
6. N2 Converter Rental
7. Depth refrigerant
Competitive Advantage:
1. High safety and reliability
2. Good performance characteristics
3. Wide application: it can be applied in dusty and wet regions.
4. Up-to-date international advanced air separation technology is incorporated
5. Rich historical experience over 60 years
6. Designed for long, stable and reliable running,