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Hangzhou Hangyang Cryogenic Liquefaction Equipment Co., Ltd
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Drag Flow Nitrogen Generation Plant 500 Nm3/h Carrying Gas , Nitrogen Generator

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

Drag Flow Nitrogen Generation Plant 500 Nm3/h Carrying Gas , Nitrogen Generator

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
Application : Glass, Oil and Gas Field, Machinery & Construction,Metallurgy
Output : 550~1000 Nm3/h
Purity : ≤1ppm(O2)
Pressure : 0.23 MPa(G)
Package : Seaworthy packing
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Nitrogen Generation Plant 500 Nm3/h KDN-500 Drag Flow Nitrogen Generation Unit


Specifications:


Product Data Sheet of Nitrogen Generation KDN Series


MODEL

CONTENTS

KDN-550

KDN-570

KDN-600/70Y

KDN-660/20Y

GN flow

Nm3/h

550

570

600

660

LIN flow


/

/

70Nm3/h

20L/h

purity

ppm(O2)/%(N2)

10ppm(O2)

0.3ppm(O2)

10ppm(O2)

10ppm(O2)

GN pressure

MPa

0.01

0.75

0.7

0.6

LIN pressure

MPa

/

/

0.7

0.6


Typical Product:500 Nm3/h KDN-500 Drag Flow Nitrogen Generation


Output, purity and pressure



Flow (Nm3/h)

Purity

Pressure MPa(G)

GN

500 (g)

≤1ppm(O2)

0.23


Note: 1. Nm3/h is defined as the volume at 0℃, 101.3kPa(A);

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

3. All pressures not specially defined are the gauge pressures.


Description:


This plant employs a process that using molecular sieve to purify air, and air is drag flow for expansion. The dust and mechanical impurities are removed from the air in the filter, and then the air goes into air compressor to be compressed to a rated pressure. The compressed air goes into pre-cooling unit to reduce temperature and remove condensed moisture. Then the compressed air goes into one molecular sieve adsorber where the moisture and hydrocarbons like CO2 and C2H2 are adsorbed by molecular sieve. After out of adsorber, the air goes into the main heat exchanger where the temperature of air is gradually reduced, then a stream of air is extracted from the middle part to expander for producing cold capacity, and another stream reaching the saturated temperature with the expanded air go into the bottom of nitrogen column to follow rectification. The air goes up in the nitrogen column and to be condensed continuously with the increasing nitrogen content, and the product nitrogen gas will be obtained at the top. The nitrogen gas withdrawn from the top goes into main heat exchanger, and after rewarmed, it is sent to the user. The rest nitrogen at the top goes into condenser evaporator to be condensed to liquid nitrogen which flows back to nitrogen column as refluxed liquid to follow rectification, and then it evaporates gradually with the oxygen content increasing, and the oxygen enriched liquid air is obtained at the bottom. The oxygen enriched liquid air is throttled and goes into condenser evaporator to be evaporated to oxygen enriched air which will be withdrawn from the top to main heat exchanger to be rewarmed, and then it is discharged out of cold box, part of which goes into electric heater, and then goes to another molecular sieve adsorber as the regeneration gas for molecular sieve adsorber. And the rest will be vented.



Applications:


1. Mixed Gases for prolonging shelf life of fruit and vegetables


2. Animal husbandry


3. Hydrogenation in Oleo chemical


4. Protective gas, shielding gas


5. Chilling and Cooling


6. Protective Gas


7. Carrier Gas


Competitive Advantage:


1. The stress is analyzed and strength is calculated in details for the cold box in fractionating column system in accordance with the client’s local meteorological and geological conditions to ensure the safety of cold box. The stress is analyzed for the main pipelines located in cold box.


2. The aluminum alloy material with high strength is used to fabricate these pipelines to keep them non-deformable. The 3 kinds of supports in cold box are made of stainless steel such that the strength at low temperature can be ensured and the loss in heat conduction is reduced.


3. Low Operating Cost


4. Our company is the biggest air separation plant design and manufacture base


5. Mature project engineering supervision


6. Engineers available to service machinery overseas



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