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Hangzhou Hangyang Cryogenic Liquefaction Equipment Co., Ltd
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Low Pressure Pure liquid nitrogen plant 0.27 MPa for fruit and vegetables

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

Low Pressure Pure liquid nitrogen plant 0.27 MPa for fruit and vegetables

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 : KDN-2200 Liquid nitrogen generator
Application : Glass,Oil and Gas Field,Machinery & Construction,Metallurgy
Usag : Produce LIN/GAN
Output(Nm3/h : 2000~2500
Purity : ≤5ppm(O2)
Pressure : 0.27 MPa(G)
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Liquid nitrogen generator 2200 KDN-2200 Liquid Nitrogen Low Pressure Nitrogen Pure Nitrogen


Specifications:

Product List For KDN Series Nitrogen Generator


MODEL

CONTENTS

KDN-2400

KDN-2430

KDN2500/150Y

KDN-2500/125

GAN/LIN flow

Nm3/h

2400

2430

2500/150

2500/125L/h

GAN/LIN purity

ppm

10ppm(O2)

10ppm(O2)

10ppm(O2)

3

GAN/LIN pressure

MPa

0.45

0.5

0.3/0.2

0.7

Subcooled

K

286.15

286.15

286/92.15

286/92.15


Typical Product: KDN-2200 Liquid nitrogen generator

Output, purity and pressure



Flow (Nm3/h)

Purity

Pressure MPa(G)

Subcooled (K)

LPN2

585

≤5ppm(O2)

0.27

286.15

MP N2

1600

≤5ppm(O2)

0.8

286.15


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.


Description:


The plant employs a expansion turbine process in which the air is purified by molecular sieve, nitrogen is produced by means of double columns with expansion achieved through backflow.

 After the feed air is cleaned of dust and mechanical impurities in air filter, it is compressed to 0.95MPa in air compressor.

 The compressed air is then fed into air pre-cooling system to be cooled to 10 ℃, it becomes saturated.

 The saturated and compressed air flows into switched molecular sieve adsorbers where such hydrocarbons as H2O, CO2 and C2H2 are adsorbed from the air.

 A small part of purified process air is drawn out to be used as instrument air; the remainder is fed into main heat exchanger to be cooled to saturated state with the refluxed gas. The cooled air is fed into the bottom of nitrogen column for participation in rectification. The product medium pressure nitrogen is obtained at the top of nitrogen column while the saturated and oxygen-rich liquid air at the bottom of column and the liquid nitrogen at the top of column are throttled in the liquid air and liquid nitrogen subcooler and then into the corresponding postion of upper column.

 Follow the further rectification in the upper column, the low pressure nitrogen is obtained at the top, which will be sent to the user after being rewarmed in the main heat exchanger.

The waste nitrogen which is withdrawn from the upper part of main heat exchanger goes into the subcooler and main heat exchanger to be rewarmed to a certain temperature, and then goes into the expander to be expanded. The expanded gas goes into main heat exchanger to be rewarmed, and then goes out of cold box, part of which will be the regeneration gas of molecular sieve, and the rest will be blow-off.

.  In order to prevent hydrocarbon from accumulating in condenser evaporator, a small stream of liquid drawn from oxygen-rich liquid air evaporation side is discharged as waste liquid.



Applications:


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


2. Carrier Gas


3. Protective Gas


4. Nitrogen Purging & Pressurize Test


5. Carrier Gas


6. Welding and metal processing


7. Food and beverage


Competitive Advantage:


1. Long service life


2. Widely sales around the world


3. No loss, high returns


4. Engineers available to service machinery overseas



Product Tags:

cryogenic nitrogen generator

      

nitrogen generation unit

      
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