Small Air Separation Unit
1. Plant main parameters:
Oxygen output 40Nm3/h
Oxygen Purity 99.6%
Working pressure ≤1.2Mpa
Starting time ~5h
Total power 76KW
Power supply As required
2.Plant advantages:
2.1 Each unit machine is skid-mounted construction, connected by fixed size short pipe. After
testing on supplier’s site,the whole set of plant with all pipes and valve together are delivered to
the User’s site, the Users needn’t to buy any additional spare part by themselves, we ensure the plant’s
perfect and integrate.
2.2 The User only need prepare well the workshop, workshop ground and crane.
2.3 Adopting liquid oxygen pump inner-compress technology, we can produce highquality medical
oxygen with purity range in 99.6-99.9%. The high quality oxygen products comply with the
medical oxygen standard,widely used in medical and industrial area.
2.4 Small volume, space small, the complete set of plant only occupied 42M2(14m×3m).
2.5 Complete set of plant is installed without foundation, it has following advantages: stable running, easy
operation, convenient maintenance, without easy-damaged spare parts within two years.
2.6 To ensure all valves’ quality, we adopt the best-quality valve in Air separation Industry
as the cold-valve in the Rectification column. We adopt stainless steel valve as
the Purifier valve, and also install thermostability mat in the stainless steel valve to ensure that
the valve is of little wear, no cooling leak, no gas leak, long life in the long-term running.
2.7 Advanced technology adopted in each unit can reduce power consumption greatly, and save electricity fee at the same time.
2.8 Complete set of plant could be transported by car easily to suburban and faraway district.
That can satisfy customer’s oxygen requirements in time in different areas.
2.9 The air cooling method saves the cost for making cooling water pool.
2.10 It only takes 5-10 days for the installation and commissioning.
2.11 The pipes used in the Purifier, including the connecting pipes between Purifier to Rectification column are in the conditions of cold-heat changing alternately. The temperature changes range
from 5℃~300℃. When temperature is low, condensing-water corrode pipe, while the temperature
is high, the pipe oxidized seriously. To ensure the life of connecting pipe, and safety of plant,
we have made heat insulation treatment on all the pipes.
2.12 To ensure the safe running of the plant, we equip four-stage pipe oil-filter to ensure that no oil can enter purifier and rectification column. The pressure-difference
meter in the four-stage pipe can also show the oil quantity to inform us to change
the filter core, ensure the safety of follow-up plant. All filters are equipped with
pressure-difference meter, we can judge the degreasing effect and the best time to change
filter core, in this way we can prevent oil entering system after the filter core lose efficacy.
2.13 The power consumption and starting time are important questions for every customer. By many years
experience, we improve the technology of complete set of plant; shorten the starting time of both heat start
and cold start. The heat starting ( first start) time is improved from 10 hours to 5 hours, gap stop 12 hours,
while the starting(cold start) time within one hour only. We make our plants cater for the customers’
requirements in the areas that the sale conditions are instable and electricity prices inflate seriously during
the peak and valley time.
2.14 The pressure alarming meter in the filling unit keeps checking the pressure of the filling unit. It cuts off
the power and alarms when the pressure reaches the aimed pressure, ensures the safety of the plant.

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