1. application of the cable industry:China is the world's largest
cable producer, the world's first, $700 billion a year. The
development of the cable industry is growing rapidly, and the
supporting effect of the work economy is becoming more and more
obvious.In the crosslinked cables, the main means of crosslinking
are the non-inert gas (nitrogen) crosslinking, warm water
crosslinking and irradiation, and the cable of large cross section
and high voltage grade of 10, 000 kv, mainly the inert gas
crosslinking (dry method chemical crosslinking). The inert gas
crosslinking adopts polyethylene insulating materials that add
peroxide, and through the three layers, the insulation layer of the
conductor layer is completed by the layer of the insulation layer,
the insulation layer of the insulation layer, and the continuous
uniform through the sealing crosslinking process of high
temperature and high pressure nitrogen through the insulation
layer. The heat transfer media is nitrogen (inert gas), and the
crosslink polyethylene electrical performance is excellent and the
production range can reach 500kv.The survey shows that nitrogen
conforms to the technical requirements of the gb3864 industrial use
of nitrogen, which is used to heat the heating medium in the
production of the joint cable, which can improve the quality of the
products of the interconnection, the investment province and the
high degree of automation. It requires 99.5 percent nitrogen
purity. Nitrogen pressure 1.2~ 1.6mpa; The dew point is -40. In the
past, most of the production lines produced by the production line
were selected for the nitrogen, but because most of the bottled
nitrogen was the parry of other manufacturers, most of the bottles
were not pure enough, and the oxygen and water indexes were often
excessive. If the medium water content is too high, the temperature
is too high, the water vapor is produced, and the formation of
bubbles in the plastic state of PE will make PE aging early.
Therefore, the use of nitrogen gas sources required for the line of
production line is critical.The method of using the method of
varying pressure adsorption (psa) is a simple process, which is
simple, room temperature production, low energy consumption, high
automation, easy to stop, low maintenance, and the characteristics
of nitrogen purity of nitrogen, such as air control, is an
efficient system of nitrogen nitrogen. In the special
requirement of the production of the connected cable, the pressure
of nitrogen is 1.2~ 1.6mpal, and the nitrogen is instantaneous in
the gas, so the nt nitrogen machine is designed with a volume of
6m3as, and the pressure is 3.0mpa in the middle pressure tank,
which is used to balance the gas fluctuations. According to the
quantity of the user line and the production situation to configure
the quantity of the medium pressure tank.The actual operation of
the psa nitrogen technology device in the line of intercable lines
shows that the technology is advanced, the degree of automation is
high, the nitrogen demand of the line of the wire line is adjusted,
the problem of the nitrogen self-production supply is solved, and
the investment is quick, and the investment can be obtained in the
next year or so. As a mature engineering technology, psa nitrogen
technology is widely used in chemical, chemical, gold, food and
other processes such as the protection, displacement and pressure
of inert gas2. Application of the steel industry:The system is
widely used in the furnace roof seal, blast furnace iron coal
powder blowing, continuous casting, steel annealing, the stress,
the aging, the hardening, the carbon, the nitrogen, the soft
nitrogen, the vacuum quenching, the nitrogen base, the nitrogen
base, the nitrogen source, the welding and the powder metallurgical
sintering process the protection gas, and the cleaning, the
dilution of the gas.The scientific nitrogen inert protection
process has been proved to be an essential part of the heat
treatment industry.Nitrogen yield: 0.5-3000nm3/hNitrogen purity:
99.5%; -99.9999%(non-oxygen content)Nitrogen gas dew point:
-45-45-45-45-45-45-45-45-45-45-45@@The high purity nitrogen of
99.9999% of the pure purity of the compressed air is obtained
directly from the compressed air.To run reliably, but to achieve
unattended;A wider range of dew points: -45of -70is;Energy utility
system, according to demand production;Multi-function monitoring
system, traffic, purity, pressure and other running parameters
online display, equipment failure alarm, maintenance automatic
prompt;The whole set is designed for the box and is easy to
install.The system is pre-factory pre-factory.It can be equipped
with a photoelectric dew point instrument to monitor the full
performance of nitrogen.3. Application of the chemical industry:In
chemical production, the nitrogen seal is used to ensure safe
production and flammable and explosive, toxic and harmful gases.
Nitrogen is mainly used in the production process of system repl
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