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The SANGHI-ORG Nitrogen Plant, is safe and economical to operate. It comes with an efficient expansion engine, which lowers the operating pressures remarkably to as low as 32-35 kg/cm2 and also cuts down power consumption. A Molecular sieve Battery drier unit for separation of moisture and carbon dioxide is another money-saving device in the SANGHI-ORG plant. It removes acetylene and other hydro-carbons from the process air, thus eliminating the need for separate acetylene absorbers, and moreover it eliminates recurring caustic soda costs. The SANGHI-ORG Nitrogen Plant is capable of simultaneously producing high purity nitrogen Gas. It also has internal compression Liquid nitrogen Pump to fill dry gaseous oxygen in cylinders. We also undertake supervision of Installation and Commissioning of the SANGHI-ORG Nitrogen Plant. About 100 CU.M./Hr of Nitrogen will be used for regeneration of driers for SANGHI-ORG 80. * About 150 CU.M./Hr of Nitrogen will be used for regeneration of driers for SANGHI-ORG 100. * About 300 CU.M./Hr of Nitrogen will be used for regeneration of driers for SANGHI-ORG 200. The above product capacities are based on ambient conditions of 15oC temperature 760mm of Hg pressure and 50% relative humidity and 0.03% of Carbon Di-oxide is allowed as impurity. Note: 1) High purity Nitrogen of upto 2 PPM can also be tapped simultaneously with a separate liquid Nitrogen pump in modified plants , at an additional cost. 2) Provisions can also be made for tapping upto 25% liquid oxygen / liquid nitrogen simultaneously with gaseous oxygen, at an additional cost. Note : 1) Electric motors can be supplied to suit specific power ratings in respective countries across the globe, if informed in advance. 2) Specifications of other capacity plants upto 750 Cu.m/hr capacity can be furnished on request. Description of SANGHI-ORG Oxygen Plant The free atmospheric air is sucked in by a multi-stage air compressor through a filter and compressed to the working pressure. After each stage, intermediate coolers and water separators are provided. The compressed air then passes through the (evaporation) pre-cooler and then to the molecular sieve battery where the moisture and carbon dioxide are removed from the process air. It then passes through the exchanger No. 1 where it is cooled by the out-going waste nitrogen and product oxygen. A part of this cold air then flows through an expansion machine and the balance through the 2nd heat exchanger. The ratio of the two air streams is controlled by an expansion valve, RI. Both these streams of air then unite in the lower pressure column where it partially liquefies. The liquid air (rich air) then passes through the expansion valve R2 to the upper column which is at a lower pressure than the lower column. Similarly the liquid nitrogen (poor liquid) travels from the lower column to the upper column through an expansion valve R3 where the separation of oxygen and nitrogen occurs. Nitrogen being more volatile passes out as a gas from the top of the column and this waste nitrogen flows through both the heat exchangers cooling the in-coming air. Similarly product oxygen is also passed through the two heat exchangers to cool the in-coming air and then to the filling manifold via a liquid pump. If a small amount of air is vented out from the upper column, higher purity nitrogen can also be obtained from this plant. R4 Valve is provided in order to fasten cooling during start-up.
Nitrogen Gas Plant
The SANGHI-ORG Oxygen Plant, is safe and economical to operate. It comes with an efficient expansion engine, which lowers the operating pressures remarkably to as low as 32-35 kg/cm2 and also cuts down power consumption. A Molecular sieve Battery drier unit for separation of moisture and carbon dioxide is another money-saving device in the SANGHI-ORG plant. It removes acetylene and other hydro-carbons from the process air, thus eliminating the need for separate acetylene absorbers, and moreover it eliminates recurring caustic soda costs. The SANGHI-ORG Oxygen Plant is capable of simultaneously producing high purity Oxygen Gas and Nitrogen Gas. It also has an internal compression Liquid Oxygen Pump to fill dry gaseous oxygen in cylinders. We also undertake supervision of Installation and Commissioning of the SANGHI-ORG Oxygen Plant. The free atmospheric air is sucked in by a multi-stage air compressor through a filter and compressed to the working pressure. After each stage, intermediate coolers and water separators are provided. The compressed air then passes through the (evaporation) pre-cooler and then to the molecular sieve battery where the moisture and carbon dioxide are removed from the process air. It then passes through the exchanger No. 1 where it is cooled by the out-going waste nitrogen and product oxygen. A part of this cold air then flows through an expansion machine and the balance through the 2nd heat exchanger. The ratio of the two air streams is controlled by an expansion valve, RI. Both these streams of air then unite in the lower pressure column where it partially liquefies. The liquid air (rich air) then passes through the expansion valve R2 to the upper column which is at a lower pressure than the lower column. Similarly the liquid nitrogen (poor liquid) travels from the lower column to the upper column through an expansion valve R3 where the separation of oxygen and nitrogen occurs. Nitrogen being more volatile passes out as a gas from the top of the column and this waste nitrogen flows through both the heat exchangers cooling the in-coming air. Similarly product oxygen is also passed through the two heat exchangers to cool the in-coming air and then to the filling manifold via a liquid pump. If a small amount of air is vented out from the upper column, higher purity nitrogen can also be obtained from this plant. R4 Valve is provided in order to fasten cooling during start-up.
Oxygen Gas Plant
The Liquid Oxygen Pump is a single acting piston pump. It is used for filling Oxygen into Cylinders upto a pressure of 165 kgs./cm2.Liquid Oxygen PumpSANGHI - ORG Liquid Oxygen PumpThe pump is designed for assembly in air separation unit that works by pumping liquid Oxygen and gasifying the same in Heat Exchangers for final filling as gas in Cylinders. Control of liquid feed is not necessary, because the pump is designed in accordance with the plant size and the liquid produced is constantly pumped off.The drive unit is similar to any reciprocating machine with the Crank Shaft, Flywheel, Connecting Rod, Cross Head, etc.The Liquid Oxygen Pump consists of a stainless steel inside liner with liquid inlet and evaporated gas outlet ports. There are no valves on these ports, which are closed by the piston itself on the pressure stroke. The third outlet is the main discharge outlet with the two non-return ball valves. The two ball valves remain firmly closed during suction stroke, due to high pressure in partly filled cylinders. To ensure that these valves are fully closed, a positive pressure of about 60 kgs/cms2 must be maintained on it. When a fresh batch of cylinders is taken for filling, open the manifold valve slowly or use a spare batch of cylinders to ensure positive pressure on these valves.
Liquid Oxygen Pump
The Expansion Engine is a vertical single acting reciprocating type engine.Expansion EngineSANGHI - ORG Expansion EngineHigh Pressure Expansion EngineSANGHI - ORG High Pressure Expansion EngineThe Electric Motor is used initially to start the machine. Thereafter the engine is moved by the air pressure itself and during which time, the engine motor retains the speed by acting as a brake. Since work is done by air in rotating the Flywheel, it loses its heat content (enthalpy). Thus the air gets cooled. This cooling is more than that of an expansion in an expansion valve.The Expansion Engine can be considered as three major units:a. The drive unit.b. The Cylinder Unit for air expansion andc. The Hydraulic Systems for operating the Valves.The High Pressure Expansion Engine is used for liquid Plants
Expansion Engine
Besides manufacture and export of Oxygen / Nitrogen plants, Acetylene Plants and Nitrous Oxide plants, we can also supply you with the following ancillaries. Tailor made items can be offered to suit specific requirements.Liquid Oxygen Pump Sanghi-Molecular Sieve Battery:To remove moisture, Carbon-di-oxide & traces of Acetylene and other hydrocarbons consisting of 2 dries filled with molecular sieve along with regenating electric heater. Temperature sensors & control panel with temperature controller. Each vessel of Molecular Battery is filled with molecular sieve of 1.5/3 mm type 13-X. This is regenerative type capacity 400m3/hr to 2000 m3/hr and 12 hour regeneration cycle. Sanghi-Purifying mass & L K Mixture:A mixture of purifying mass & L K Mixture is used to remove unpurities such as Sulphur, Phosphorus, Arsenic, Ammonia etc. in the form of hydrides such as Hydrogen sulphide, Phosphine etc. This chemical is regnerative, can be used for several applications.Sanghi-Org Distribution Panel For Oxygen / Nitrogen Plants: Liquid Oxygen PumpSanghi-Distribution Panel For Oxygen / Nitrogen Plants:This is a free standing, non-compartmentalised Structure housing the starter feeders for all the drives required for the Acetylene Plant / Oxygen plant and is fabricated out of CRCA steel & is surface treated to international quality standards. It has a front opening and has adequate cabling space. The panel is dust-proofed using double-lipped Neoprene rubber gaskets. The door hinges are concealed and have a back-up channel to ensure proper dust-proofing. The wiring is done with black PVC insulated stranded Copper wires & the wire terminations are identified with PVC ferrules.Sanghi – Valves for cylinders:Expansion EngineHigh Pressure Expansion Engine Oxygen / Nitrogen / Acetylene / Argon Cylinder valves with SS304 spindle & Teflon. This cylinder valve is fixed to a gas cylinder by screwing & its essential functions.To enable filling of gas into the cylinder.To ensure proper storage of the gas inside the gas cylinder.To release the gas as and when required.To act as a safety device for the cylinder if valves are provided with safety.Liquid Oxygen PumpSanghi-Water Pump:The centrifugal Monoblock pump is of close grained cast iron construction. A statically balanced impeller is fitted to give maximum output at low running cost. RPM 2880; 3.0 H.P.; Power Supply 3Ph; 50 cys; 400 / 440 Volt; A.C. Supply capacity. Liquid Oxygen PumpSanghi-Weighing Scale:Dial Scale 3205 CLE / COE Capacities: - 100, 200, 300, 500 & 1000 Kg. White pointer with black indicator to give shadowless line-to-line (non-parallax) indication on 584 mm dia. Ready line . Scale mounted on four wheels enclosed in a substantial cast iron frame. Tough, dust proof and moisture proof housing to stand up to any conditions. This ensures no rusting and no deterioration of the mechanism components. Liquid Oxygen PumpSanghi-Oxy / Nitr Cylinder Trolley:A battery of cylinder mounted on a trolley with wheels that can be transported and used where the consumption of the gas is more. These mounted cylinders are interconnected with individual isolation valves with pressure gauge. This product will immensely help in saving transportation cost and cylinder handling.Liquid Oxygen Pump Sanghi Water Softner Plant:Custom built water softner plants with flow Capacities ranging from 0.7m3 / Hr to 12m3 / hr with an output per regneration ranging from 8.1m3 to 203m3 max. working pressure 3.0kg / cm2.Liquid Oxygen PumpSanghi-Compressor for Dissolved Acetylene:This is used for filling of the cylinders a reciprocating, oil lubricated, multi-stage, water submerged compressor with intercoolers, safety relief valve for each stage, driven by a 15 HP. Flame proof. Liquid Oxygen Pump Sanghi-Cooling Tower:Induced draft Rotary sprinklers in FRP casings with electric motor 3 HP / 960RPM with or without basin in different capacities from 500 LPM to 1000 LPM.Liquid Oxygen Pump Sanghi –Acetone Pump:It is a geared motor pump coupled with motor by love-joy coupling. The pump has two parts mainly suction port and the discharge port. The suction port is provided with extended pipe and foot value to reach the bottom of the acetone drum.Liquid Oxygen PumpLiquid Gas CylindersLGC's are small liquid cylinders with in built pressure building & evaporating coil to allow both gas as well as liquid withdrawal. It can be transported to & from customers site with liquid filled in just like high pressure gas cylinder. This facilitates larger quantity of product transfer in liquid form than in Gaseous form. It is ideal for Liquid N2, Oxygen, Argon CO2 & N2O. Liquid Oxygen PumpVaporizers:High Pressure Atmospheric Vaporizer for LOX/LIN Design.Construction of Tubes : CopperConstruction of Frame : Mild SteelOperating Pressure & Design Pressure will vary depending upon the users requirement. However, the Vaporizers from operating pressure of 8 Kg/cm2g to 200 Kg/cm2g are available.The Vaporizers are used for converting the liquid form of product (i.e. O2,N2,Argon) to the gaseous form. This transformed gas can be supplied in pipe line through Low Pressure Vaporizer or can be filled in cylinders through High Pressure Vaporizers .Liquid Oxygen PumpAnalysersWe offer online, digital, electronic analysers with mounting & portable type for monitoring purities of Oxygen, Nitrogen, Argon and other gases. This indicator is a convenient and handy instrument for field applications where a quick, easy and accurate measurement of oxygen is required. The sensor being located within the instrument requires the gas sample to be delivered to inlet port. This instrument is ideal where the sample is available at a slight positive pressure. Liquid Oxygen PumpGas CompressorsThis is a reciprocating machine, with crank gear, piston rod, piston, cylinders. The machine is used for building up pressure of Oxygen, Nitrogen, Nitrous Oxide gas for filling the gas into Cylinders. These are available in various capacities and consist of following :Control Panel consisting of Pressure Gauge for All the Stages and Oil Pressure, and manual unloading Valves, Gas Coolers after all the three stages, Safety Valves for all the three stages, N.R.V. at Delivery, Belt Guard, Tool Box, Flywheel, Fiber Buckets for all the three stages, Motor Pulley.Liquid Oxygen PumpCylinder Testing EquipmentsThe cylinders testing equipment is necessary in the bottling plant, as the cylinders used for filling Gas needs to be tested periodically. This consists of the following:Hydraulic Pump, Cylinder Vice, Cylinder Rack, Cylinder Drier with Blower and Heater, Control Panel Stretch Board with Glass and Brass Tubes, Pressure Gauges Connecting Pipes, Spanners and Tools, DOL Starter, Low Voltage Lamp for Internal Viewing of Cylinder. Liquid Oxygen PumpFuturistic Control PanelThis futuristic and advanced control panel of the Air separation unit can be located in an air-conditioned room to operate and control various plant parameters. It has been ergonomically designed for ease of operation and for fine tuning of plant parameters from a remote location. This panel has unique features with digital display, indicator lamps and instrumentation for indicating pressures and temperatures of all stages of Air compressors. It also has on-line digital electronic analysers for displaying and monitoring purity of gaseous oxygen, ultra high purity nitrogen and waste nitrogen. It also indicates ampere ratings of all motors used in the plant.
Ancillaries
The Acetylene Plants from Sanghi Organization are of indigenous manufacture. Every part has been carefully designed by experienced engineers. These parts are made of the best material. Every part has been accurately made and carefully inspected before assembly. Each unit, after assembly is charged and worked continuously to check its performance. You are, therefore, assured of an efficient and dependable acetylene plant.This Acetylene Plant from SANGHI ORGANIZATION is of an advanced design, incorporating several features not ordinarily found in other generators. This one is a fully automatic plant with twin hoppers (and needs an operators' attention for only ten minutes in an hour).All operations are performed by pneumatically contolled valves, assisted by highly sensitive sensors, integral with the temperature control instruments.These in turn open the water inlet valve or residue drain valve etc. Two hydraulic pumps help to open and close the supply of calcium carbide. This is fed into the generator by screw feed conveyors. The screw feed mechanism and the agitator are operated by flame-proof motors and fittings. Liquid Oxygen Pump100 cu.m./hr. Acetylene GeneratorThe entire operation is perfectly synchronised to give maximum efficiency and simplicity in operation. Any failure, whether it is of power supply, water, instruments air, is signalled visually and also audibly when an alarm bell rings to alert the operator.Only flame proof lights and electrical fittings according to IS2148-68 (Group II) or BSS-229 may be used in an acetylene plant building. Acetylene cylinders must be of specification IS: 7312: 1974 or ICC:8.The design of the entire plant has been made with safety in mind. Flash Back Arrestors, High Pressure Reverse Flow check valves, safety valves and complete gauging help protect both equipment and personnel. Various auto controls, safety valves, auto vent valves, non-return valves and Flash Back Arrestors are also provided to make this plant absolutely safe to operate in all conditions
Acetylene Plant

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