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Technology Database    Technologies of the savings of resources SUPERLIGHT COMPOSITE HIGH-PRESSURE COMPRESSED GAS CYLINDERS

Superlight Composite high-pressure Compressed Gas Cylinders

А new technology has been developed for manufacturing superlight high-pressure cylinders from composite materials for compressed gas transportation and storage. Their aggregate specifications may be regarded as a qualitative leap forward in improving their consumer properties.

Compressed gas cylinders are required in many engineering systems (gas fuel equipment for vehicles, home gas appliances, rescue devices, devices with autonomous pneumatic sources, etc.), and therefore improvement of their specifications and production technology (with mandatory emphasis on improvement of their performance) continues today. Moreover, this work is now acquiring special importance in connection with the firmly established global switch of motor transport to gas fuel.

The original design and engineering decisions used as the basis for creating a hermetic polyethylene shell reinforced with fiberglass (or organic-fiber) allowed for reduction in the cylinder weight by three times, increase in corrosion resistance, aggressive environment impact resistance, fire and blast safety, and guaranteed that they are shatterproof. In addition, all requirements for products of this kind have been met, particularly cyclic durability - up to 70,000 charging cycles, reserve factor after cyclic tests - not less than 2.6, operating temperature range - from -40 to +80 degrees Centigrade, service life - not less than 10 years.

Cylinder BKP-5-20 has passed the whole cycle of tests in the All-Russian Aviation Materials Institute.

The technology for manufacturing 6-liter cylinders has been developed. It is simple, reliable and environmentally sound. Equipment for winding fiberglass and organic-fiber has also been developed. It has high performance, low power consumption and requires minimal working space.

Some specifications of new cylinders, by type, are set forth in the following Table (in this Table parameters of fiberglass and organic-plastics cylinders are shown as a numerator and a denominator, respectively):

Source: SciTecLibrary.ru
Publishing date: September 27, 2000

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