Rising Demand for Acetylene Plant for Manufacturing Acetylene Gases |

23

Nov

Rising Demand for Acetylene Plant for Manufacturing Acetylene Gases

Himanshu Sekhar

There is a rise in demand for the Acetylene Plants in India and abroad to manufacture acetylene gases. There are different kinds of Acetylene gas plants. Acetylene gas plants manufacture acetylene gas, which is highly flammable and odorless with a unique smell. It is produced through the process of either cracking or chemical carbide. However these days modern, hi- tech acetylene plants are also available.

The Bhartiya Cryogas, India’s leading acetylene plants manufactured Automatic Acetylene Generator produces acetylene through reaction of calcium with water. Adequate quantity of water is held in the generator shell to which calcium carbide is fed from top.

Advantages of Acetylene Generator is that it can be set to operate at any given temperature, regardless of the size of carbide used or temperature of the cooling water.

Difference between three most commonly used industrial gases: Acetylene, Oxygen, Argon and Nitrogen. Also precaution taken in storage, transportation and piping of these highly flammable gases.

Acetylene is a colorless and odorless gas, which has low moisture. It generates one of the hottest fuel gases; the acetylene flame produces a temperature of 315 degree Celsius in combination with oxygen. Due to high flammability, Acetylene must be contained within pressures up to 15 PSIG (Pounds per square in gauge).

There is a need to be extra careful to keep the piping pressure below 15 PSIG since this gas is volatile and could decompose at high temperature and pressure leading to fire or explosion. According to Bhartiya Cryogas experts the piping for acetylene supplying gas at a pressure higher than 9 PSIG must be fitted with a safety relief valve. This valve must be manufactured and fitted such that the pressure in the system does not go beyond 22 PSIG.

This working pressure of the pipeline is decided based on the cubic feet required at the delivery points of the manifold. The valves must be used to avoid mixing of oxygen and acetylene at high temperatures.

Oxygen is a nonmetallic element that is highly reactive. Oxygen is usually used in a temperature range between –22 °F and 400 °F and pressures at 21 MPa (3000 psi). When selecting a tubing or piping material for gaseous oxygen, the velocity, temperature, and pressure must be taken into consideration. The piping used in oxygen piping system design must be cleaned before the use as well as after the set up. One should consider the ignition temperature of material for oxygen piping.

Argon and Nitrogen is a noble gas, which is completely inert. This means it will not react with any substance easily. Argon is an expensive gas and is used in applications such as arc welding where nitrogen may react with the electric arc. It is also considered for applications where low thermal conductivity is needed.

Nitrogen is also an unreactive or inert gas and much more affordable than argon. Nitrogen gas is available abundantly, so it is used in several industrial applications.

Acetylene has a major application in the fabrication industry. It is the only commercial gas that can be used for welding. And it is also better suited for other industrial works like brazing, cutting, flame gouging, spot heating, hardening, and texturing, cleaning, and thermal spraying of many materials.

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