SS304 SS316L Metal Raschig Random Pall Ring Packing 38*38mm For Scrubbing

Place of Origin Hebei Province,China
Brand Name Luo Jie
Certification ISO9001:2015
Model Number LJ-16
Minimum Order Quantity 1 cubic meters
Price $280-1500/Cubic Meter
Packaging Details wooden box or customized
Delivery Time 5-8 work days
Payment Terms L/C,T/T
Supply Ability 500 Cubic Meter/Cubic Meters per Month
Product Details
Product Name: Random Packing Key Word: Metal Random Packing / Pall Ring
Material: Stainless Steel, Plastic Type: Pall Rings, Raschig Rings, Berl Saddles, Intalox Saddles
Size: 16mm 25mm 38mm 50mm 76mm Application: Absorption, Scrubbing And Stripping Services
Port Of Loading: Tianjin Port Certification: ISO9001:2015,SGS
Sample: Provide For Free Origin: Hebei Province,China
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Product Description
Stainless Steel 304 Random Packing Pall Ring For Adsorption Column Tower
 
 
Description of Random Packing

Random packing is an essential passive separation medium for industrial mass transfer columns, such as those used in distillation, gas absorption, liquid stripping, and solvent extraction. Distinguished from structured packing—where media follow fixed, uniform geometric layouts—random packing comprises discrete, pre-shaped units (e.g., rings, saddles) that are loosely and randomly loaded into the column. This random arrangement forms a complex, high-surface-area flow path, which facilitates thorough contact between gas-liquid or liquid-liquid phases. Its primary role is to optimize the contact area between the two interacting phases while keeping fluid flow resistance (pressure drop) low, thereby ensuring efficient mass transfer in industrial processes.
 
Material selection:
  • Ceramic: Resistant to strong acids (except hydrofluoric acid) and high temperatures (up to 1,200°C). Suitable for corrosive environments (e.g., sulfuric acid absorption).
  • Metal (Stainless Steel, Carbon Steel, Alloy): High mechanical strength and thermal conductivity. Used in high-pressure/high-temperature processes (e.g., petroleum distillation). Stainless steel variants resist mild corrosion.
  • Plastic (PP, PVC, PTFE): Lightweight, low-cost, and corrosion-resistant to most alkalis and organic solvents. Ideal for low-temperature, non-abrasive applications (e.g., water treatment, chemical extraction).
Specifications of Random Packing
 

Model

Pall Ring

Material

Carbon Steel; SS 304, 304L, 410, 316, 316L, etc.

Size

mm

16*16*0.3

25*25*0.3

38*38*0.4

50*50*0.5

76*76*0.6

89*89*0.7

Bulk density

kg/m3

345

214

193

182

142

145

Number

per m3

201000

51000

15000

6500

1830

1160

Surface

m2/m3

346

212

145

106

69

62

Free Volume

%

95.5

96.2

96.7

97.5

97.4

97.1

Typical Application

Absorption, scrubbing and stripping services

 
Features of Random Packing
 

1. Lower Pressure Drop
Random packing provides a relatively open structure, allowing gases and liquids to pass through with minimal resistance. This significantly reduces pressure drop compared to structured packing or tray systems, making it ideal for vacuum and energy-sensitive operations.

2. High Surface Area for Mass Transfer
Although randomly arranged, the individual packing elements (such as Raschig rings, Pall rings, or saddles) offer a large specific surface area. This increases contact efficiency between gas and liquid phases, improving mass transfer performance.

3. Cost-Effective and Easy to Install
Random packing is generally less expensive to manufacture and install. It can be quickly dumped into a column without complex assembly, lowering construction and labor costs.

4. Good Liquid Distribution and Wetting
The irregular shape and orientation of the packing elements enhance liquid spreading and wetting. This improves the uniformity of mass transfer and prevents channeling within the column.

5. Versatility in Materials
Random packing is available in metals, plastics, and ceramics. This allows selection according to operating temperature, corrosion resistance, or chemical compatibility, making it suitable for a wide range of industrial environments.

 

Applications of Random Packing
 

1. Distillation Columns
Used in petroleum refining, chemical processing, and solvent recovery systems to enhance vapor–liquid contact and improve separation efficiency.

2. Gas Absorption Towers
Applied in scrubbers to remove contaminants such as SO₂, CO₂, H₂S, ammonia, and VOCs from industrial exhaust streams.

3. Stripping and Desorption Units
Used in wastewater treatment and chemical plants for stripping dissolved gases (e.g., oxygen, nitrogen, CO₂) from liquids.

4. Air Pollution Control Systems
Installed in wet scrubbers and absorption reactors to increase gas–liquid interaction and improve pollutant removal efficiency.

5. Heat Recovery and Cooling Towers
Random packing enhances heat and mass transfer performance in cooling towers, gas cooling sections, and heat recovery units.

6. Water and Wastewater Treatment
Used in biological trickling filters, biofilm reactors, and aeration systems to provide effective support surfaces for microbial growth.

7. Chemical and Petrochemical Processing
Ideal for reactors and contactors where improved liquid distribution and reduced pressure drop are required.

 
 

SS304 SS316L Metal Raschig Random Pall Ring Packing 38*38mm For Scrubbing 0

 

SS304 SS316L Metal Raschig Random Pall Ring Packing 38*38mm For Scrubbing 1

 

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