DEAR News - DEAR Air Separation

Revitalize Idle Assets to Attract Investment, Foster Synergistic Development for New Energy—The Inspection Team Visits DEAR Air Separation for Inspection and Negotiation, Laying the Foundation for Pre

2026.03.27

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New batch of DEAR Air Separation is delivered as a whole

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How to operate small air separation plant when facing emergency power failure?

When the small air separation plant encounters an emergency power outage (especially at night), it should be calm first. Use different operation metho

Mar 25, 2013

What should be paid attention to when installing the valve?

Attention should be paid when installing:1) generally, the valve should be positioned before the pipeline installation. The piping should be natural.

Mar 25, 2013

What problems should be paid attention to when installing the oxygen pipeline?

The following matters should be paid attention to during installation:1) the velocity of oxygen in the oxygen pipeline according to the GB50030-91 &qu

Mar 25, 2013

What problems should be paid attention to when installing the pipeline in the air separation tower?

When the air separation Tower turns from normal temperature to low temperature, the phenomena such as pipe crack and valve jam often appear. The main

Mar 25, 2013

What are the requirements of the air separation tower for the tomb Foundation?

Air separation tower has the following requirements for Foundation:1) to ensure the level of the distillation column plate, the uneven settlement of t

Mar 25, 2013

What are the advantages and disadvantages of fan braking, generator braking and booster braking for turbine expansion machine?

When the gas is used for external work through the expansion of the expander, the brake must consume this part of work. Otherwise, the rotating speed

Mar 25, 2013

How are the flow and outlet temperature of circulation determined?

Ring flow is determined by the heat balance of switching heat exchanger (or cooler) according to the requirement of air separation process. Under the

Mar 22, 2013

Why do the current low-voltage air separation plants mostly use the turbine expansion machine with pressurization?

The expander is the machine for gas expansion to work externally, and the original process is mostly to use the expander to drive the motor and output

Mar 22, 2013

DEAR Enterprise newspaper, No. 1, 2013

Mar 21, 2013

What are the reasons for the reduction of the exhaust volume of piston compressor?

There are many factors affecting the displacement of piston compressor, which can be summarized as follows:1) the reduction of the rotation speed of t

Mar 21, 2013

Why the air inlet cam of the expansion machine can reduce the refrigerating capacity instead, and how to adjust the refrigerating capacity with the cam?

Open the air inlet cam of the expansion machine to lengthen the opening time of the air inlet valve and increase the air inlet, that is, increase the

Mar 21, 2013

What is the harm that the exhaust of piston expansion machine cannot be opened? How to eliminate it?

If the air inlet valve is open and closed normally, but the exhaust valve stem is not open when it should be opened, then the air in the cylinder cann

Mar 21, 2013

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