Solenoid valve controls the position of valve core through an electromagnetic coil to achieve the purpose of changing the flow direction of fluid, or ...

2013.02.25

Nitrogen-water precooler is generally installed in all low-pressure air separation plant. It mainly uses the unsaturation of the water in the nitrogen...

2013.02.22

Answer: liquid gasification filling system consists of liquid storage tank, liquid pump and air purifier. In order to ensure the normal operation of t...

2013.02.21

The start-up of the air separation plant includes three stages: cooling, hydrops and purification. For a certain equipment, the start-up time is rough...

2012.11.27

The reasons why the liquid enters the heat exchanger when the small air separation plant is running are:1) during the start-up stage, the speed of clo...

2012.10.26

The low temperature valve is installed at normal temperature and works at low temperature, with a wide range of temperature variation. If the design a...

2012.10.16

Molecular sieve is a kind of crystal of siovenate, which has many micropores with uniform aperture size. The skeleton is usually negatively charged, a...

2012.09.05

For the maintenance of nitrogen-water precooling system, the most important thing to pay attention to is to prevent the occurrence of nitrogen suffoca...

2012.05.28

The stability and adjustment of the working condition of argon system generally speaking, the refined argon system has little influence on the main to...

2012.01.31

There are about 2300 valve manufacturers in our country, and there are more than 3500 kinds of valve products and more than 40000 specifications that ...

2011.10.09

At present, most of the large equipments which need cooling water use rivers, lakes or underground water as cooling water. This kind of water usually ...

2011.08.12

Carbon molecular sieve (CMS) is a new type of non-polar adsorbents, which has the performance of absorbing oxygen molecules in the air under normal te...

2011.08.11
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