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Patent List

 



16 Patents owned by Zehua
гн10 Patents for ADV tray series
гн6 Patents for packing and internals


patent

 

 



Streamlined Feed Distributor
Designed by: Pan, Guochang
Ununiformity is reduced to 1/3, and
Entrainment reduced to 1/6, compared with conventional gas distributor.
Applicable to gas feeding of good-sized packed tower.


Net Cap Tray
Designed by: Pan, Guochang
10% increase in separation efficiency.
30-40% improvement in capacity.
Applicable to operation at high gas velocity.


Inclined Jet Valve

Designed by: Pan, Guochang, Xie, Runxing, Chen, Li
Combined with inclined hole trays perfectly.

ADV Cut-open High-performance Valve Tray
Designed by: Pan, Guochang, Yang, Baohua, Xie, Runxing
Over 10% increase in separation efficiency, 40% or more improvement in capacity
Considerable rise in operating flexibility compared with F1 valve tray.
Suitable for high liquid flowrate, atmosphere & high pressure operation.

Quick Installation Valve
Designed by: Pan, Guochang, Yang, Baohua, Xie, Runxing

Elastic barb at the foot of the valve, quick and convenient installation.

Multi-Saddle-Ring (MSR) Random Packing
Designed by: Pan, Guochang, Xie, Runxing
,
Jiang, Rongxing, Yi, wen
30% increase in separation efficiency.
5-10% rise in capacity. and
40-50% decrease in material consumption,
compared with Intalox Saddle of the same specification.

High-performance Slot Liquid Distributor
Designed by: Pan, Guochang, Xie, Runxing

Uniform distribution of liquid,
High operating flexibility,
Great resistance to plugging,
Easy to install and level.

Slot-veins Corrugated Structured Packing
Designed by: Pan, Guochang, Xie, Runxing
,Yang, Baohua
Up to 10-15% higher separation efficiency
10% higher throughput.
Compared with conventional structured packings.


A Tray with Antirotating Round Hole
Designed by: Xie, Runxing,
Liu Ji
An novel way to prevent the rotation of valves.
Preferable to putting into effect with other correlative technology.

A Tray with Bubbling Promoter
Designed by: Pan, Guochang, Xie, Runxing,
Liu Ji
Improves bubbling uniformity, separation efficiency, & operating flexibility.
Reduces liquid leakage.


Inlay-hinged Tray
Designed by: Xie, Runxing
, Chen, Li, Liu, Ji,
Lü, Jiazhuo, Pan, Guochang
A novel connecting structure for tower plates.
25% increase in valve quantity.
Eliminating blind zone in the connecting area.
Capacity and separation efficiency are both improved.

A tray with Linking Area Installing Valve
Designed by: Chen, Li, Xie, Runxing, Jiazhuo
High separation efficiency and capacity.
Great resistance to plugging.

Micro-dispersion Fixed Valve Tray
Designed by: Yang, Baohua, Pan, Guochuang,
Xie, Runxing,
Chen, Li
Strengthening liquid-gas interfacial mass transfer above the top of valves.
Reducing entrainment.
Attenuate the liquid and eliminate the liquid hold-up zone.
Fluid flux and separation efficiency are improved.


A three-directed valve tray
Designed by: Pan, Guochuang
Eliminate the liquid hold-up zone.
Up to 40% higher throughput & higher 20% separation efficiency.


Valve-tongue hole complex tray
Designed by: Pan, Guochuang
Increase liquid residence time.
Eliminate liquid hold-up zone.
Capacity and efficiency are greatly improved.
.





 

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