Carbon Carried Purification to Nitrogen

Short Description:

Principle of Carbon-Carried Purification

Carbon-carried purification can be used for processes that are sensitive to hydrogen or have difficulties in hydrogen gas source. Raw nitrogen reacts with excess carbon at high temperature to produce CO2. High purity nitrogen can be obtained after passing through the adsorption tower of decarburized oxygen compounds.


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Principle of Carbon-Carried Purification

Carbon-carried purification can be used for processes that are sensitive to hydrogen or have difficulties in hydrogen gas source. Raw nitrogen reacts with excess carbon at high temperature to produce CO2. High purity nitrogen can be obtained after passing through the adsorption tower of decarburized oxygen compounds.

The chemical equation is: C + O2 = CO2 + Heat
In order to reduce the replacement frequency and operation cost of carbon fiber, and improve the utilization rate of equipment, generally it is designed to be replaced in 3 or 6 months, and the recommended crude nitrogen purity is 99.9%. Under this purity condition, the power consumption of supporting air compressor and carbon fiber consumption can be taken into account to achieve the economic operation.

Process Flow Diagram

Composition

The carbon-carrier purification is composed of heater, reaction tower, water cooler, CO2 removal adsorption tower, oxygen separator, flow meter and product nitrogen buffer tank.

Application

Especially suitable for the places with restrictions on hydrogen, such like aluminum profile smelting and processing, bearing, chemical industry, electronics, metal materials and precious metal refining.

Technical Features

☆ Use the high efficiency carbon catalyst with advanced process and good stability to obtain the high nitrogen purity.
☆ Nitrogen does not contain hydrogen for the strict requirement places of hydrogen and oxygen.
☆ The deaeration tower and heater are made of high temperature resistant materials, which are safe and reliable.
☆ Carbon catalyst can be added directly to the deaeration tower. There is no impurity and carbon powder residue after using, and no need to purge.
☆ Automatic interlocking venting and multiple fault alarms.

Main Technical Parameters

Nitrogen Flow Rate 10 ~ 2000Nm3/h
Nitrogen Purity 99.999 ~ 99.9997%
Nitrogen Pressure 0.1 ~ 0.7 MPa(Adjustable )
Dew Point -60
Oxygen Content 3-10ppm
Hydrogen Content 1000ppm

Model Identifiers of Hydrogenation Purification

Specification Output(Nm³/h) Effective Gas Consumption(Nm³/min) Catalyst Loss(kg/month) Cooling Water (t/h)
BNP-NC60 66 60 30.0 0.5
BNP-NC80 88 80 40.0 0.6
BNP-NC100 110 100 50.0 0.8
BNP-NC150 165 150 75.0 1.1
BNP-NC200 220 200 100.0 1.5
BNP-NC250 275 250 125.0 1.9
BNP-NC300 330 300 150.0 2.2
BNP-NC400 440 400 200.0 3.0
BNP-NC500 550 500 250.0 3.7
BNP-NC600 660 600 300.0 4.4
BNP-NC800 880 800 400.0 5.9
BNP-NC1000 1100 1000 500.0 7.4
BNP-NC1200 1320 1200 600.0 8.8
BNP-NC1500 1650 1500 750.0 11.0
BNP-NC2000 2200 2000 1000.0 14.7

Note:
According to requirements of customer (nitrogen flow / purity / pressure, environment, main uses and special requirements), Binuo Mechanics will be customized for non-standard products.

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