Home
Products
- Wet Scrubber
  
  Wet Scrubber
  
  Wet Scrubbers use water or chemical solutions to capture and neutralize pollutants in industrial exhaust gases.
  
  Go to Wet Scrubber
- Scrubber Internals
  
  Scrubber Internals
  
  Scrubber internals are key components installed inside wet scrubbers to improve gas-liquid contact, liquid distribution, mass transfer, and mist separation.
  
  Go to Scrubber Internals
  
  Random Packing
  
  Mist Eliminators
- Fans
  
  Fans
  
  Fans can be used together with wet scrubbers and other equipment to form a complete exhaust gas collection and treatment system.
  
  Go to Fans
- Adsorption Equipment & Media
  
  Adsorption Equipment & Media
  
  Adsorption Equipment & Media are used to remove gaseous pollutants from industrial exhaust streams through physical or chemical adsorption.
  
  Go to Adsorption Equipment & Media
- Dust Filtration
  
  Dust Filtration
  
  Dust Filtration refers to the removal of particulate matter from industrial exhaust air through filtration or separation equipment.
  
  Go to Dust Filtration
  
  Dust Collector Filter Bags
  
  Dust Collector Cartridge Filters
Application
Industry
- Cement
- Power
Support
- Technology
- Download
About
- Company
- Culture
- Quality
- News
Contact

Search

Raschig Ring Packing

Home Products Scrubber Internals Random PackingRaschig Ring Packing

Scrubber Internals

Raschig Ring Packing – Cost-Effective and Corrosion-Resistant, Compatible with Various Absorption Towers

Raschig ring packing is one of the earliest developed and most widely used types of random packing. It consists of cylindrical elements with equal height and diameter, featuring a simple structure, easy fabrication, as well as excellent heat resistance and chemical stability. Large Raschig rings (with a diameter over 100 mm) are typically stacked in a structured pattern, while those (with a diameter below 75 mm) are typically randomly packed.

Raschig ring packing is mainly utilized in gas-liquid mass transfer processes across chemical, metallurgical, and environmental protection industries, including absorption towers, scrubbing systems, distillation columns, cooling towers, and desulfurization units.

Three plastic raschig rings packing placed on a flat surface

Features

High mass transfer efficiency. Raschig rings offer high capacity and low resistance, allowing gas and liquid to pass freely with uniform distribution, thereby enhancing mass transfer performance.
Strong anti-clogging capability. With an open structure, Raschig ring packing is less prone to liquid and dust accumulation, making it suitable for conditions involving dust or viscous substances.
Cost-Effective. Featuring a classic structure, simple fabrication and low cost, it is suitable for mass production, and offering excellent cost performance.
Flexible material options. Available in plastic, stainless steel, ceramic, and other materials to meet various temperature, corrosion resistance, and pressure needs.

Specifications

Table 1: Plastic Raschig Ring Packing Specifications
Size	Specific Surface Area (m²/m³)	Void fraction (%)	Bulk number (Pieces/m³)
Ø25	220	85	53000
Ø38	150	90	15800
Ø50	110	92	6500
Ø76	65	93	1927
Plastic Materials: PP, HDPE, PVC, PPH, CPVC, PTFE, PVDF, PFA

Table 2: Metal Raschig Ring Packing Specifications
Size	Specific Surface Area (m²/m³)	Void fraction (%)	Bulk number (Pieces/m³)
Ø15	350	95	230000
Ø25	220	92	50000
Ø35	150	93	19000
Ø50	110	95	6500
Ø80	65	96	1600
Metal Materials: Carbon Steel, Stainless Steel, Copper, Aluminum, Titanium, Hastelloy

Table 3: Ceramic Raschig Ring Packing Specifications
Size	Specific Surface Area (m²/m³)	Void fraction (%)	Bulk number (Pieces/m³)
Ø6	712	62	3022935
Ø13	367	64	377867
Ø16	305	73	192500
Ø19	243	72	109122
Ø25	190	74	47675
Ø38	121	73	13667
Ø40	126	75	12700
Ø50	92	74	5792
Ø80	46	80	1910
Ø100	70	70	1000