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Xiangyang Foday NMP Recovery System

Products

Xiangyang Foday NMP Recovery System
Xiangyang Foday NMP Recovery System

Xiangyang Foday NMP Recovery System

Condensation Unit

The condensation unit is designed to condense the gaseous NMP present in the exhaust gases emitted during the coating production process and recover it in liquid form.

The principle is based on the fact that the saturation concentration of gaseous NMP in the air varies at different temperatures. By passing the hot air containing a high concentration of NMP through the condensation unit, where it undergoes heat exchange with chilled water, the temperature is lowered to the desired value. At this target low temperature, the gaseous NMP that exceeds the saturation concentration condenses and precipitates into a liquid state. It is then collected through functional components such as demisters within the condensation unit, achieving the purpose of recovering and treating the gaseous NMP.

The condensation unit offered by Pengjin has several advantages:

1.Compared to other products on the market, it has a high level of integration of equipment functions.

2.It exhibits excellent condensation and recovery efficiency.

3.It is more energy-efficient, resulting in reduced energy consumption.

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    Project: Xiangyang Foday NMP Recovery System
    Customer demand parameters Matching main equipment parameters of a single production line
    Air volume: 220000m3/h Equipment type Handling air volume Equipment size mm Texture of wood Tail gas emission concentration
    Production line (positive and negative): 5 plus (including reserved 1 production line)    
    NMP liquid concentration: ≥90%,temperature≤40℃ Condensing host *2 sets, PJLN-110K. 110000m3/h 3250*3120*4670 (h) SUS304 /
    Heat exchange efficiency: ≥80% Waste heat recovery *2 sets, PLYR-BS-110K. 110000m3/h 1900*1450*5990 (h) SUS304 /
    NMP gas tail emission index: ≤20mg/m³(4.5ppm) Tower *1, PJGT-D1M6-Z-22K 22000m3/h φ1600*14400 (h) SUS304 ≤20mg/m³ (4.5ppm)
    Coverage area: 972㎡(including reserved production line)            
    Engineering features: The condensing main engine only uses chilled water for condensing heat exchange, which improves the heat exchange efficiency as a whole.
    Engineering difficulties: Recovery and treatment of large air volume NMP, effective control of pipeline system, effective control of NMP return air concentration and tailpipe concentration.