ceramic raschig ring

Detailed Product Description

Raschig ring is the earliest developed random packing, named after the German chemist Friedrich Raschig. It's small tube cutting, which outside diameter is equal to its height, providing a surface for (re)evaporation of the most volatile part in the refluxing distillate, typically 10 mm in diameter and 12 mm long. 

It's used in commercial fractional distillation towers to reduce pressure loss (versus using trays), while maintaining good efficiency and economy. Typically the change in pressure (also called "delta p") is lower than in the case of trays but slightly higher than for structured packing.

With the characters of high mechanical strength, high chemical stability, and excellent heat endurance, Ceramic Raschig Ring can resist high temperature, acid (except HF), alkali, salt and various organic solvents. It's widely applied in various packing towers of desiccation, absorption, cooling, washing, and regeneration in industries of petrochemical, chemical, metallurgy, gas and oxygen generation.

For raschig ring with big size over 100mm, it's usually filled in the column orderly. If its size is less than 90mm, raschig ring is stacked in the column randomly.

Technical date:

Name	Normal mm	Diameter*Height* Thickness mm	Surface area m2/m3	Void space %	Bulk density kg/m3	No.elements per/m3	Packing factor m-1
Rasching ring	ø16	16*16*3	250	66	820	178000	870
	ø25	25*25*3	147	78	510	42000	310
	ø38	38*38*4	100	80	458	12000	195
	ø50	50*50*5	80	81	465	5600	156
	ø76	76*76*9	62	75	575	1700	147