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Steam Jet Compressor

Steam jet compressor

  • Jet Compressors are a type of ejector that use a jet of high-pressure gas as an operating medium to entrain a low-pressure gas, mix the two, and discharge at an intermediate pressure.  Using water vapour as motive medium, steam jet compressors compress gases and/or vapours with large pressure differences.The Thermocompressor, also a type of Jet steam Compressor, is used when both motive and suction gases are steam.

Advantages

Compared with other types of compressing equipment, Jet Compressors offer definite advantages:

  • They are simple in construction and have no rapidly rotating parts to break, adjust, or replace.
  • Jet Compressors can be made from practically any machinable material including carbon steel, bronze, stainless steels, titanium, hastelloy, etc.
  • Require little or no maintenance and only require periodical inspection, therefore they can be installed in remote locations.
  • Steam Jackets can be fitted to either part or the whole of the compressor when the duty requires it in order to prevent freezing, etc.
  • Can be used in potentially explosive atmospheres without additional safeguards as they have no electrical components.
  • The Jet Compressor not only performs the primary function of compressing and mixing gases but, in addition it takes the place of a reducing valve and salvages much of the energy lost in the reduction of gases pressure.
  • Compared with other types of equipment Jet Compressors are low in original cost and in upkeep.

Applications

General

  • Compression of low-pressure steam with high-pressure steam as motive medium for feeding into medium pressure systems.

Chemical industry

  • Heating of distillation columns.

Foodstuffs- and chemical industry

  • As components of evaporating systems, e.g. for milk, fruit juices, waste water, chemicals, sea water.
  • To cool and concentrate liquids.

Paper industry

  • In steam- and condensate systems of single- and multi- cylinder machines.a
  • To increase pressure in steam systems/to increase performance capacities of paper machines.
    In connection with steam boxes to utilise low-pressure steam

Breweries

  • Re-utilisation of vapours coming from the boiling process.

Celluloseindustry

  • Steam recovery in "TMP" systems.

Petrochemical industry

  • Removal of column head vapours.

Speciality

  • As a controllable unit fitted with a nozzle needle.