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BLACKFISH INDUSTRIES (SHANGHAI) CO.,LTD
  

玄魚工業(上海)有限公司

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hospital oxygen plant

The purity of the product can be adjusted with the flow changes

Working under low pressure and atmospheric pressure, safety and energy conservation.

Simple equipment,easy maintenance

Computer control, automatic unattended operation

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The purity of the product can be adjusted with the flow changes

Working under low pressure and atmospheric pressure, safety and energy conservation.

Simple equipment,easy maintenance

Computer control, automatic unattended operation

The pressure swing adsorption separating oxygen from air is a new technology.PRESSURE SWING ADSORPTIONabbreviated PSA),it has an irreplaceable position to supply air on site in today’s world.

 The PSA technology has the following advantages:

* The purity of the product can be adjusted with the flow changes

* Working under low pressure and atmospheric pressure, safety and energy conservation.

* Simple equipment,easy maintenance

* Computer control, automatic unattended operation.

 The principle of  PSA

It utilizes different components has different adsrobents on the adsorbent adsorption capacity, adsorbent do selective adsorption when the pressure increases and get desorption regeneration when pressure down. Normally it has twin towers structure, towers are full of zeolite molecular sieve. When one tower is adsorbing nitrogen and producing oxygen, another tower is desorbing nitrogen to get regeneration. It works by automatic switches under the control system, and alternating work to make sure offer stable oxygen.  

Adsorption:  high-pressure positive flow of air passes through the adsorber, moisture, carbon dioxide and most of hydrocarbon are adsorbed by molecular sieve.

Regeneration: The low reflux oxygen by adsorption of water, carbon dioxide and hydrocarbons adsorbed on zeolite low voltage products oxygen away.

Average pressure: to balance the pressure for in need of regeneration of the adsorption and complete regenerating of the adsorber to reduce the switching losses.

Decompression: Adsorption through the vent muffler reduced pressure to near atmospheric pressure.

Boost: The part of the air flow of PSA raise the pressure which after regeneration adsorber to adsorption pressure

Oxygen  generating system function

standard configuration function

Pneumatic and electric valves are switched by programmable controller automatically.

To monitor oxygen flow and purity online.
The sound and light alarm if there is unqualified oxygen.

It is automatic shutdown if long time alarm due to unqualified oxygen.

Combination dryers and filters discharge automatically.

Molecular sieve compacts automatically.(small capacity equipment without this function)

OPTIONAL FUNCTION

Unqualified oxygen evacuated automatically

DCS distribute control, it shows all running state on screen, and could be joint controlled and remote controlled.

Automatic start/stop function(it could be remote controlled)

The adsorber working process:  adsorb over—average pressure—decompression—regeneration rinse—average pressure—boost pressure—re-adsorption

  
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