Dissolved Acetylene Gas Plant
We manufacture Dissolved Acetylene Gas Plants in strict conformation to
international quality norms and standards. The designs and drawings of the
plants are pre-approved by the Chief Controller of Explosives. Our plants
are developed under strict supervision of our experts and bear the ISI
quality marking. We have equipped the plants with automatic controls for
feeding water, maintaining temperatures and pressures. The slurry drains of
the plants are carefully designed to make them fool-proof and highly
efficient in accordance with international standards.
Special Features
- No bulky gas holder required
- Excellent absorption of gas in cylinders
- No gas loss resulting in high yield
- Simple and safe to operate
- Low power consumption
- Low maintenance cost
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The plant includes the following
Acetylene Generator: The Acetylene Generator offered by us has
gained appreciation for advanced design, fully automatic and superior
features. The generator makes use of pneumatically controlled valves and
highly sensitive sensors work in tandem with temperature control instruments
to perform different operations. This results in opening of water inlet or
residue drain valve. The supply of Calcium Carbide, fed into the generator b
screw-feed conveyors is controlled by two hydraulic pumps. To ensure optimum
safety and ease of operation, the screw-feed mechanism and agitators are
operated by flame-proof motors and fittings. Perfect synchronization and
simplicity of operation is essential to achieve excellent output and
efficiency. The generator signals failure of power, water or air supply
visually or through an alarm bell to alert the operator.
Requirements of the generator include:
- An acetylene plant can only be fitted with flame proof lights &
electrical fittings according to 152148-68 (group II) or 655-229
- Acetylene cylinders must be of specification 15: 7312: 1974 or
ICC: 8
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Temperature Control: The Acetylene generator is equipped with
temperature control system to enable the user to set and operate the plant
at a specific temperature. This can be done regardless of the temperature of
the cooling water and size of carbide used. To maintain a standard
temperature, a sensor activates pneumatic control which adds water into the
generator tank if the set temperature limit is exceeded. Owing to this, the
generator is able to completely utilize Carbide which is an expensive raw
material.
High Pressure Control: The gas pressure in the generator is bound to
increase in case the compressor is of low capacity or the rate of production
is faster than rate of absorption. If the gas pressure reaches a
predetermined level of about 0.5 kg/cm2, the generator automatically cuts
off carbide charging and stops the production process. Once the generator
has been cleansed with Nitrogen, the generator will maintain a constant
positive pressure and inhibit entering of air into the system. This also
helps to reduce the pumping cost and make the plant extremely safe for the
operator.
Water Level Control: In case the water level in the generator
exceeds the high level mark, the water level control instrument will
instantly discharge excessive water. The system gets activated when the
level of water goes below or above the prescribed limits
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No Loss-Carbide charge: To prevent loss of gas or wastage while the
carbide is being charged, a high pressure hydraulic operated valve cuts off
the section from the generator. This is an automatic procedure and does not
require operator’s attention.
Condenser: Condenser performs the function of cooling the produced
acetylene gas carrying water vapor and impurities. The condensation results
in removal of excessive moisture and impurities. To perform this operation,
the condenser has appropriate proportions suiting local conditions and
efficient in order to assure complete cooling.
Low Pressure Drier: Low pressure drier is charged with Calcium
Carbide to absorb the moisture in the generated gas. If the chemical
purifier requires a certain amount of moisture to function effectively, a
by-pass can be provided to allow direct admission of the generated gas
partly or wholly.
Chemical Purifier: Chemical purifier utilizes two layers of
regenerative chemicals for removing impurities. The purifying agent can be
reactivated for re-use with the help of atmospheric air. Also, to ensure
continuous operation an extra charge of chemicals can be kept in open wooden
trolleys.
Water Scrubber: In order to remove impurities from the gas
efficiently, water scrubber is installed between the chemical purifier and
acetylene compressor.
Acetylene Compressor: The generator utilizes reciprocating, oil
lubricated, multi-stage, water submerged with intercoolers and an I.R. made
compressor for filling the cylinders. The compressor features safety relief
valve for each stage and is driven by a 15 H.P flame proof motor which
conforms to IS: 2148-68 (Gr.II-B).
High Pressure Drier: High pressure drier works on a battery of three
high-pressure vessels. The first vessel is filled with Anhydrous Calcium
Chloride, High Pressure Drier: High pressure drier works on a battery of
three high-pressure vessels. The first vessel is filled with Anhydrous
Calcium Chloride,
Filling Manifold: This consists of a battery of filling connections,
which is used to connect to the gas cylinders. Also, non-return valves are
used to adjoin various sections of the pipeline to the filling manifold.
To ensure optimum safe operation of the plant, these non-return valves
should be checked from time to time. Also, the manifold should be
periodically checked and cleaned to remove rust and scales which can prove
to be a serious security hazard. The flexible hose pipes of the cylinders
should also be regularly checked and cleaned to prevent them from bursting
during the filling operation due to sudden discharge of Acetylene.
Instrument Air Compressor
Instrument Air Compressor is used in the flameproof motor with a buffer
tank. Detailed specifications of the compressor are as follows:
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| BIS Specifications |
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| A) Acetylene Generator |
IS 8471 (PT -4) 1977 |
| B) Flame Proof Motors |
IS 2148 (Group II-B) -1968 |
| Statutory requirement of distance as per Explosive Dept. |
Acetylene Plant and Carbide go down Should be: 9 meters from
time pits. 15 meters from public road. 15 meters from Electricity
room. 30 meters from any other bldg 90 meters !tom Oxygen Plant Air
intake point Acetone go down of 2,500 Litres capacity should be 6
Meters from any other premises. |
| Power Supply |
440 Volts/ 3 phase/50 hertz. (If your supply is different from
this please specify.) |
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