بایگانی‌های acetylene tanks - dawnbreeze

What is acetylene?

  • Acetylene is a hydrocarbon and unsaturated gas.
  • Acetylene consists of two carbons with a triple bond to which each carbide is attached to hydrogen.
  • Acetylene is a colorless, odorless, flammable, and slightly lighter gas than air.

Available grades of acetylene:

  • Acetylene in both industrial and laboratory grades (Use for atomic absorption devices AA) is available.
  • The Industrial acetylene is %95.
  • The Acetylene AA is equal to %99.6.

Acetylene storage and transport tanks:

  • Although acetylene turns into a liquid under pressure, and refrigeration can easily solidify it.
  • it’s due to its high explosive properties for both liquid and solid acetylene, acetylene is transported and stored as a solution in acetone.
  • Acetylene storage and transport tanks have a porous sponge that is immersed in acetone solvent.
  • This is to prevent the accumulation of acetylene in the liquid phase and compressed form and Also to prevent the possibility of explosion.
  • Acetylene in acetone is traded by weight on an industrial scale.
  • Acetylene storage tanks are also referred to as the maximum rechargeable weight. Such as 9 pound, 12 pound, 15-pound tanks.

Compatible and incompatible materials:

  1. Use of pipes, fittings, regulators, valves, etc. Which is Made of copper and silver or compounds with high levels of copper and silver as well as mercury for acetylene gas due to the possibility of explosion.
  2. The use of aluminum, stainless steel, carbon steel as well as polymers of neoprene, Whiton, Teflon, and Kel-F with acetylene is allowed.
  3. The use of cast iron fittings is not permitted.
  4. The use of rice with less than %65 copper and also nickel compounds for acetylene is allowed under normal conditions.

 

Molecular Weight 26.04
steam pressure 4378 K. Pa @ 21.1 0C
Gas density 1.1716 Kg/m3 @ 0 0C and 1 atm
The latent heat of evaporation at the boiling point  614 KJ/Kg
Special heat capacity CP=1.60 KJ/Kg.0C

CV=1.27 KJ/Kg.0C

CP/CV=1.26

Critical temperature 360C
Critical pressure 6254 KPa(a)
Solubility in water No
Explosion / ignition range in air Flammable Gas

Material Compatibility of Acetylene

 

METALS PLASTICS ELASTOMERS

Brass

CARBON STEEL

StainLess Steel

Alumium

Zinc

CoPPER

Monel

Kel-F

Teflon

Tefzel

Kynar

PVC

Polycarbonate

Viton® Buna-N Neoprene Polyurethane

Updating

Kalrez

GAS Updating Updating Updating Updating Updating Updating Updating Updating Updating Updating Updating Updating Updating Updating Updating Updating Updating

 

S – Satisfactory for use with the intended gas
C – Conditional. May be incompatible under some circumstances or conditions Contact your Praxair representative for additional information
U – Unsatisfactory for use with the intended gas
I – Insufficient data available to determine compatibility with the intended gas
O – All nonmetalic, even those considered compatible, may be ignitable in oxygen enriched environments or in other oxidizing gases. Successful
use depends upon oxygen purity, pressure, temperature, cleanliness and elimination of ignition mechanisms. Please contact your Praxair
Representative for additional information

Classification of dangerous Products:

Dangerous ProductsTransport Information:

 

IATA IMDG DOT
UN 1001 UN 1001 UN 1001 UN NUMBER
Acetylene, dissolved Acetylene, dissolved Acetylene, dissolved UN SHIPPING NAME
2.1 2.1 2.1 TRANSPORT HAZARD CLASS
NO NO NO ENVIRONMENTAL HAZARD

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