Nitrogen Making Machine 99.99% Nitrogen Gas Making Machine for Chemical Production Company

nitrogen making machine  99.99%  nitrogen gas making machine for Chemical production company
Treatment capacity: 200 m3 / h

Purity: 99.99%



The special nitrogen generator for chemical industry is suitable for petrochemical, coal chemical, salt chemical, natural gas chemical, fine chemical, new material and other chemical products processing industries. Nitrogen is mainly used in covering, purging, replacement, cleaning, pressure transportation, chemical reaction agitation, chemical fiber production protection, nitrogen filling protection and other fields.



Composition of chemical nitrogen generator



1. Carbon molecular sieve of compressed air purification system is the key material to determine the production capacity of nitrogen generator. Since the compressed air provided by air compressor usually contains oil and water, oil and water will reduce the adsorption capacity of carbon molecular sieve, so the compressed air must be removed oil and water before entering the oxygen and nitrogen separation system. Firstly, the compressor compresses the air to 0.75-1.0mpa and enters the air purification system. Most of the water, oil and mechanical impurities are removed by the pipeline filter. Then, the water is cooled by the freezing dryer to make the pressure dew point reach 2 ºC - 10 ºC. After passing through the fine filter, super fine filter and activated carbon oil remover, the pressure dew point is 0.75-1.0mpa, the pressure dew point is 2 ºC - 10 ºC, and the oil content is ≤ 0.01ppm Clean compressed air. The compressed air purification system is composed of pipeline filter, freeze dryer, fine filter, ultra fine filter, activated carbon oil remover, automatic blowdown valve, ball valve, etc.



2. The function of the air storage tank system is to ensure the stable use of gas in the oxygen nitrogen separation system. When the oxygen and nitrogen separation system is switched, it can prevent the instantaneous airflow velocity from being too fast, which will affect the air purification effect, improve the quality of the compressed air entering the adsorber, and help to prolong the service life of the molecular sieve. The air storage tank system is composed of air storage tank, safety valve, stop valve, ball valve, pressure gauge, etc.



3. Oxygen and nitrogen separation system oxygen and nitrogen separation system is the core part of air separation. Its main body is two adsorption towers filled with carbon molecular sieve. When clean compressed air enters an adsorption tower, O2, CO2 and trace H2O are adsorbed by carbon molecular sieve, and nitrogen is output from the outlet. When one tower is in the process of nitrogen production, the other tower can discharge O2, CO2 and H2O adsorbed in the molecular sieve from the micropores by reducing pressure to realize the regeneration and desorption of molecular sieve. The adsorption and regeneration of the two towers are carried out alternately, and the nitrogen output is continuous. The oxygen nitrogen separation system is composed of adsorption tower, carbon molecular sieve filled in the tower, pneumatic valve, muffler, throttle valve, compression cylinder, pressure gauge, etc.



4. Nitrogen buffer system the main function of nitrogen buffer system is to balance the pressure and purity of nitrogen separated from nitrogen oxygen separation system to ensure continuous supply of nitrogen. At the same time, when the adsorption tower is switched from regeneration to adsorption, it will recharge part of the qualified nitrogen stored in the adsorption tower to protect the bed, in addition, it can help the adsorption tower to boost pressure. The nitrogen buffer system consists of buffer tank, flowmeter, dust filter, pressure regulating valve, throttle valve and safety valve.



5. Electrical control system the main function of the electrical control system is the equipment start and stop operation, working state indicator light display, fault sound and light alarm indication, purity display and pneumatic valve driving according to the set program. The electrical control system is composed of programmable controller CPU, air source triplet, solenoid valve, indicator light, micro oxygen meter, etc. it is mainly installed in the electric control cabinet.




Industrial application of chemical nitrogen generator



Chemical industry is an industry where nitrogen equipment is widely used. At present, PVC is widely used. Polypropylene (PE), polyethylene, aniline, maleic anhydride and ethanol, phthalic anhydride, polyester, upstream raw material PTA, petrochemical products, polyoxymethylene and other products nitrogen protection, can also be used in the system of pipeline vessels and other nitrogen purging, storage tank nitrogen filling, replacement, leak detection, combustible gas protection, also used in diesel hydrogenation and catalytic reforming.



More typical uses: Inert gas layer on the storage liquid; purging vessels, pipelines, reactors and isolation chambers; synthetic fiber spinning, drawing, anti chlorination, and anti-corrosion of equipment; nitrogen filling in the production of coating and paint to prevent the polymerization of oil during drying; providing protective gas for oil tankers (nitrogen sealing and cleaning gas on the oil surface); inert gas supply for offshore engineering; dry coke quenching, petroleum fractionation, and catalyzing Chemical agent regeneration, nitrogen fertilizer raw material, washing gas, catalyst protection, rubber packaging and storage, tire production, etc.; nitrogen pressure injection for oil production, etc.



1. The petroleum industry improves petroleum processing and refining processes, oil storage and pressurization of oil and gas wells, pipeline cleaning and purging, solvent recovery, etc.



2. Nitrogen filling and purification of storage, container, catalytic cracking tower and pipeline; air pressure leak test of pipeline system



3. Offshore oil development; inerting of oil, storage tanks, containers, etc. by platform covering and nitrogen injection



4. The glass manufacturing industry should prevent the surface oxidation and furnace cooling during the glass manufacturing process. In the production process of float glass, gas protection is used to prevent tin bath oxidation.



5. Rubber vulcanization, tire crushing, etc. High pressure molding, anti oxidation, wire and cable gas protection.



6. Chemical fertilizer industry: nitrogen fertilizer raw materials; gas for displacement, sealing, washing and catalyst protection



7. Plastics industry: pneumatic transmission of plastic particles; oxidation prevention in plastic production and storage



8. Rubber industry: packaging and storage of rubber; tire production, etc



Application in chemical fiber production process: high purity nitrogen is often used as protective gas in chemical fiber production to prevent chemical fiber products from being oxidized and affecting color. The higher the purity of nitrogen, the more beautiful the color of chemical fiber products.