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Hangzhou Hangyang Cryogenic Liquefaction Equipment Co., Ltd
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570 Nm3/h nitrogen generation unit / Reverse Filling Nitrogen Generator , Sealing Gas

Hangzhou Hangyang Cryogenic Liquefaction Equipment Co., Ltd
Hangzhou Hangyang Cryogenic Liquefaction Equipment Co., Ltd
City: Hangzhou
Province/State: Zhejiang
Country/Region: China
Tel: 86-0571-85869869
Contact Person:Ms Lou Yizhen

570 Nm3/h nitrogen generation unit / Reverse Filling Nitrogen Generator , Sealing Gas

Brand Name : Hangyang
Model Number : KDN
Certification : CE/ASEM/GB
Place of Origin : China
MOQ : 1 set
Price : according to actual requirement
Payment Terms : negotiation
Supply Ability : according to actual requirement
Delivery Time : according to actual requirement
Packaging Details : wooden case, nude packing, container
Product Name : Nitrogen Generation Plant
Output : 50~1000 Nm3/h
Purity : ≤0.3ppm(O2)
Pressure : 0.75 MPa(G)
Standard : CE/ASEM/GB
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Nitrogen Generation Plant 570 Nm3/h KDN-570 Reverse Filling Nitrogen Generator


Specifications:


Standard Products for KDN Type Nitrogen Generation


MODEL

CONTENTS

KDN-390

KDN-770

KDN-850

KDN-1000

GN flow

Nm3/h

390

770

850

1000

LIN flow


/

/

/

/

purity

ppm(O2)/%(N2)

1ppm(O2)

0.3ppm(O2)

1ppm(O2)

1ppm(O2)

GN pressure

MPa

0.75

0.75

0.3

0.2

LIN INJECT

Nm3/h

27.7

38

41

45


Typical Product:570 Nm3/h KDN-570 Reverse Filling Nitrogen Generation


Output, purity and pressure



Flow (Nm3/h)

Purity

Pressure MPa(G)

GN

570 (g)

0.3ppm(O2)

0.75


Note: 1. Nm3/h is defined as the volume at standard atmospheric pressure;

2. All pressures which are not specially defined are the gauge pressures.

3. The liquid output is calculated from data of gas, and the pressure is calculated with 0 meter high at outlet of cold box


Description:


This plant employs a process in which the air is purified by molecular sieve, and reversed filling of liquid nitrogen. The air is cleaned of dust and mechanical impurities in air filter , and then goes into air compressor to be compressed to rated pressure. The compressed air goes into air pre-cooling unit to reduce the temperature, and remove the condensed moisture as well. The compressed air enters one of molecular sieve adsorbers, where such impurities as moisture, CO2, C2H2 and other hydrocarbons are adsorbed. The air coming from the adsorber goes into main heater exchanger , where the temperature is reduced gradually. The air out of will reach saturation temperature, and enters into the bottom of nitrogen column to follow rectification. The air goes up in the nitrogen column to be condensed continuously, by which the nitrogen content will rise, and the product nitrogen gas will be obtained at the top. The nitrogen gas will be withdrawn from the top to main heater exchanger to be rewarmed, and then sent to the user.The rest nitrogen at the top enters condenser evaporator to be condensed to liquid nitrogen. The liquid nitrogen flows back to nitrogen column to be as reflux liquid with reserved filling liquid nitrogen from outside to follow rectification, and then the oxygen content increases as it is evaporated gradually, and it becomes oxygen enriched liquid air at the bottom. The oxygen enriched liquid air from the bottom of nitrogen column flows into condenser evaporator. The oxygen enriched liquid air is evaporated to be oxygen enriched gaseous air in the condenser evaporator, and then it goes into main heater exchanger to be rewarmed after being withdrawn from the top, and then it goes out of cold box, part of which enters into electric heater, and then enters another molecular sieve adsorber to be as generation gas of molecular sieve adsorber; the rest will be discharged.



Applications:


1. Filling Gas

2. Sealing Gas

3. Inert Gas

4. Agriculture

5. Aerospace science and technology

6. Metal production


Competitive Advantage:

1. This nitrogen plant is designed for long, stable and reliable running, economization of energy, convenient operation and maintenance.

2. PLC is used to control the automatic switchover of molecular sieve purification system such that the reliability and safety in running of the plant are greatly improved and the loss in switchover of air is reduced.

3. Powerful manufacturing capacity

4. Long life span

5. Impeccable quality management system



Product Tags:

industrial nitrogen generator

      

liquid nitrogen plants

      
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