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Address: NO.2030 ZHENCHENG ROAD JIANGYIN CITY JIANGSU PROVINCE CHINA
Contact name:Vera
Jiangsu Tongyue Gas System Co.,Ltd |
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Principles for PSA Nitrogen Generator
The principles of pressure swing adsorption (PSA) Nitrogen generator are adsorption and diffusion.
Each gas has a characteristic adsorption rate that when adsorbed by Carbon Molecular Sieve (CMS). CMS has large surface area containing volume of micro pores and passageways. Oxygen has a higher adsorption rate than nitrogen. When compressed air enters CMS, nitrogen molecules are able to pass through this large surface. And oxygen molecules are adsorbed to the surface area.
As the CMS is saturated with oxygen, it should be depressurized to regenerate for next cycle. We use two towers filled with CMS to produce a continuous stream of nitrogen.
During depressurization, the nitrogen of lower purity than required is transferred to another tower, which is called pressure equalization. Pressure equalization donates to higher efficiency and less energy consumption.
Know-how in the definite time and ways to equalize the pressure is the key to the best results.
Features
High Reliability: Proven PSA technology, simple engineering design, few moving parts and international standardized manufacturing techniques ensure minimal maintenance and maximum reliability.
Low Cost: High-efficiency control system reduces air consumption, saves electric power.
Convenience: Unattended operation controlled by PLC automatically. Touch-screen CANBUS control, display and alarm system makes all the generation system to be operated by one touch. CANBUS displays working parameters, reminds filter elements replacing and instructs trouble shooting. It enables remote control.
Easy Installation: Skid mounted for easy installation and move.
Lower Space Requirement
The design and Instrumentation makes the plant size very compact, assembly on skids, prefabricated and supplied from factory, whole life time of Nitrogen plant. So no replacement costs.
Longer Service-life: Exclusive bed containment system extends Carbon Molecular Sieve (CMS) bed life to more than ten years, whole life time of Nitrogen plant. So no replacement costs.
Minimal Maintenance: The generator has highly-reliable valves and no other moving parts. Filter elements are easily replaced.
Full Automation
All systems are designed for un-attended operation and automatic Nitrogen demand adjustment.
Fast Start-up
Start-up time is about 30 minutes to get designed Nitrogen purity. So these units can be switched ON & OFF as per Nitrogen demand changes.
Main parts of nitrogen generator
| Project | Type | Quantity | Remark |
| PSA adsorption tower | Professional design | 2pieces/10kg | Special pressure vessel manufacturer |
| Carbon Molecular Sieve | MSC-3KT-172 | 3500kg | Takeda Japan |
| Vortex airflow distributor | Professional design | 2 pieces | Technical Carbotech from Germany |
| Self complement compact device | Professional design | 2sets | Jiangyin Tongyue |
| single unit processing part | / | 1 set | SMC-Japan |
| Sample pressure reduce valve | / | 1 piece | SMC-Japan |
| Direct current 24V power | / | 1 set | Taiwan-Mingwei |
Pneumatic valves | DN100 | 5 pieces | Burkert Germany Burkert Germany |
| DN50 | 4 pieces | ||
| DN20 | 1 pieces | ||
| Magnetic valve | 4V210-24V | 10 pieces | Taiwan Airtac |
| Metal flow meter | LZZ-50 | 1 piece | Changzhou Shuanghuan |
| Control system | TPC7062K | 1set | (color touch screen )Kunlun Tongtai |
| Muffler | TY-500X | 1 set | Jiangyin Tongyue |
| Pipe valve system | bprofessional produce | 1 set | Jiangyin Tongyue |
| PLC controller | S7-200 | 1 set | Siemens Germany |
| Nitrogen analyzer | P860-4N | 1 set | Shanghai Changai |
R & D Achievements obtained:
The enterprise attaches great importance to technological
innovation and intellectual property protection work. Up to now,
there have been a total of 9 patents declared, 7 of which have been
authorized.
| serial number | Patent No. | Patent No.( Accept No.) | patent families |
| 1 | PSA highly efficient starting device | Patent No.:ZL 2010 2 0139342.9 | utility model |
| 2 | Automatic control system of nitrogen generator with frequency conversion | Patent No.:ZL 2012 2 0408277.4 | utility model |
| 3 | Exhaust gas recycling and utilization device | Patent No.:ZL 2013 2 0867590.9 | utility model |
| 4 | Automatic control device for nitrogen purity | Patent No.:ZL 2013 2 0867632.9 | utility model |
| 5 | PSA constant pressure constant regeneration system | Patent No.:ZL 2010 2 0139343.3 | utility model |
| 6 | PSA cyclone umbrella type honeycomb air flow diffusion device | Patent No.:ZL 2013 2 0139344.8 | utility model |
| 7 | PSA low decibel silencer | Patent No.:ZL 2013 209 39345.2 | utility model |
| 8 | Top gathering fountain type gas collecting device | Patent No.:ZL 2010 2 0569506.1 | utility model |
| 9 | Dynamic cylinder pressing device | Patent No.:ZL 2011 2 0015073.X | utility model |
