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Liquid Nitrogen Plants

Liquid nitrogen plant manufactured and exported by BDM Cryofusion & Mandressi Italia performs as per the plants of international standard as it is fabricated under the guidelines of 'Felice Mandressi' of Italy and used raw materials taken from CE approved vendors. With the latest production units and premium quality raw materials, our company guarantees high quality plants at competitive pricing. Our company incorporates atlas copco air compressor in order to alter the plant to perform exceptionally and lead to low power consumption, low upkeep expenses and maximum performance.

Our company manufactures and offers a qualitative range of liquid nitrogen generator by using technology along with design and drawing of Felice Mandressi of Italy. Fabricated with premium quality raw material, our plants are certified with Société Générale de Surveillance (SGS) quality approval and hold ISO 9001:2000 certification. In addition, we are a CE approved company meaning we can sell our products and services in Europe and the USA. We train our employees on a regular basis and purchase the best technology to ensure we export only high performing liquid nitrogen plant

Process Description

Using the latest Liquid Air Separation Technology, we “at BDM Cryofusion & Mandressi ITALIA” manufacture premium quality and latest liquid nitrogen plants. Fabricated from well-tested stainless steel column employing flanged connections and argon welded column, these plants offer easy accessibility and servicing. These plants offer efficient heat exchange to attain minimum power consumption and thereby reduce the cost of operation. Our plants offer high purity of nitrogen 99.99% and are compatible with soft drinks, juices, beverages and other industrial applications.

STEP I: Air is sucked by a multi stage air compressor and passed through the following stages.

STEP II:COMPRESSION OF AIR
This is performed by the multistage highly efficient air compressor.

STEP III:PURIFICATION OF AIR
This is performed by the Process Skid.

STEP IV: COOLING & LIQUIFICATION OF AIR
This is performed by a highly efficient expansion engine and also by a refrigeration unit (for 100% liquid output).

STEP V: AIR SEPARATION (RECTIFICATION)
This is executed by the special AIR SEPARATION UNIT consisting of upper column, lower column and special exchangers. The separation air is by the CRYOGENIC PROCESS. The final product from a liquid Oxygen/Nitrogen goes to the storage tank.

STEP VI: CRYOGENIC STORAGE TANKS
Cryogenic Vessels are designed and developed for storage and transport of liquid gases at sub-zero temperatures. Manufacturing of such cryogenic tanks requires special technical skill and sophisticated fabrication techniques. We have developed the necessary technology and have been manufacturing cryogenic vessels.

Technical Specifications:

MODEL LIQUID OXYGEN CAPACITY PURITY OF OXYGEN
BDM L-50 55 Liters / hr 1.5 Tons per day 99.7%
BDM L-80 90 Liters / hr 2.5 Tons per day 99.7%
BDM L-100 100 Liters / hr 3 Tons per day 99.7%
BDM L-150 180 Liters / hr 5 Tons per day 99.7%
BDM L-200 215 Liters / hr 6 Tons per day 99.7%
BDM L-250 290 Liters / hr 8 Tons per day 99.7%
BDM L-300 360 Liters / hr 10 Tons per day 99.7%
BDM L-400 425 Liters / hr 12 Tons per day 99.7%
BDM L-500 540 Liters / hr 15 Tons per day 99.7%

NOTE : THE SAME PLANT CAN ALSO PRODUCE LIQUID NITROGEN ALONG WITH 99.9% PURITY.

Salient Features

  • Available in Leak proof Argon Welded Column.
  • Skid Mounted Version
  • Low Power Consumption
  • Round the Clock Continuous Duty Operation.
  • Only One Operator Needed To Run The Plant
  • Heavy Duty Air Compressor (Water Cooled)
  • Built In Liquid Oxygen/Nitrogen Pump For High Pressure Oxygen/Nitrogen Filling.
  • Built In Integral Gas Vaporizer.
  • High Efficiency Trays for High Purity
  • Extremely Safe To Use And Operate.
  • Trouble Free Operation Owing To Proven Design and Performance.
  • Medical Grade Oxygen as Per American/European Pharmacopeias.
  • Molecular Sieves of Zeochem Swiss of Special Grade for Total Carbon Dioxide,
  • Moisture and Hydrocarbon Removal.
  • Very Compact Design And Easy To Operate.

Scope of Supply

Air Compressor
This is a multi stage, heavy duty water-cooled air compressor for round the clock operation, horizontal type complete with fly wheel inter cooler, foundation bolts, motor pulley, motor, v belt, guard and slide rails. This is used to compress atmospheric air.

Air Purifier/Process Skid
This comprises of the following Parts:
1. After cooler with tank
2. Nitrogen cooler with tank
3. Moisture separators
4. Chilling units with Freon unit
5. Oil absorber filled with alumina
6. Molecular sieve batteries on skid
7. Defrost heaters
8. Gas/Air/water line as per standard layout on skid /platform prefabricated and ready for installation
9. Water pump
10. Inlet & outlet water lines
11. Drain manifold complete with ball valves for draining moisture. All the above equipments are properly mounted on skid /platform complete with interconnecting piping and ready for installation.

Expansion Engine
Complete with branded motor/starter of Siemens / ABB world class quality. Expansion Engine is complete with hydraulic valve control, bursting disc for safety, complete with fly wheel pressure gauge, motor pulley V belt, Belt guard, slide rails inter connected pipes (inlet and outlet)

Air Separation Column - Cold Box
This holds of the complete cold box (outer steel casing) complete with top column, bottom column, condenser, sub-cooler, re-boiler, exchanger 1, exchanger 2, control panel, instruments, pressure gauges, digital automatic temperature scanner withpt-100 sensors, expansion valves, analysis valves, inlet & outlet, air oxygen and nitrogen, gas lines with control valves neatly mounted and firmly fixed on the cold box.

STAINLESS STEEL IS REQUIRED FOR HOSPITAL OXYGEN, FOOD GRADE QUALITY AND ALSO TO MAKE EXPLOSION PROOF.

NOTE: OLD TYPE OF COPPER VESSELS/COLUMNS/TRAYS LIKE CHINESE AND LOCAL TYPE DISCONTINUED 10 YEARS BACK.

Liquid Oxygen Pump
Horizontal single acting pump with Piston, Piston Rings - oil free - Teflon with guide ring, Safety Devices, Non-Return Valves, Motor with Pulley, V-Belts, Belt Guard, Inter Connecting Pipes with ducting to cold box suitable for filling Oxygen

High Pressure Filling Manifold
For filling high-pressure Oxygen to Cylinders. It comprises of main High Pressure Isolation Valve and Pigtail filling connection with individual regulation Valve with Pressure Gauge and Safety Relief Valve.

ACCESSORIES (INCLUDED)
(1) Cooling Tower
Induced Draft-Rotary Sprinkler type with Aluminum Casting Fan, FRP Body with suitable Electric Motor for maintaining the circulating water temperature between the Hot well and Cold well for optimum performance of the Plant. Complete in all respects.

(2) Electrical Panel
Electrical Panel for supply of electric power to individual motors with main MCCB, ampere and volt meter and bus bar. It has a bank of on/off switches and fuses. This allows the Operator to control all the Motors from one point (This can be supplied with remote control operation also).

WATER SOFTENER
Made of HDPE having single multi-port valve for different plant valve for different operations. Employed to remove hardness of the water and avoid scaling in Air Compressor Cylinder jacket and water line. Nacl/Regeneration. With min/max. Working pressure in 2.0/4.0 kgs/cm2. Complete in all respect.

WATER PUMP
Provided with the plant to be coupled with the Air compressor and the cooling tower.

ANALYZER
Oxygen Purity Apparatus will be provided along with to measure the purity of Oxygen.

Applications

  • Water Process
  • Ferrous Metallurgy
  • Non-ferrous Metal Refinery
  • Coal mines
  • Pharmacy
  • Others: Chemical industry production, solid garbage burning, concrete production, glass manufacturing, medical oxygen, etc.

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