2 Inch 25mm Metal Random Packing

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
Material: Stainless Steel, Plastic Type: Pall Rings, Raschig Rings, Berl Saddles, Intalox Saddles
Size: 16mm 25mm 38mm 50mm 76mm Surface Area: 150 M²/m³ – 500 M²/m³
Density: 0.5 – 1.2 G/cm³ 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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25mm random packing

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25mm packing pall ring

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2 inch random packing

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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
 

Size(mm)

Bulk density
(304,kg/m3)

Number
(per m3)

Surface area
(m2/m3)

Free volume
(%)

Dry Packing Factor m-1

0.5”

16.5*5.5*0.3

333

600000

330

95.8

375.6

0.5”

16.5*5.5*0.4

462

600000

330

94.2

395.3

0.5”

16.5*5.5*0.6

718

600000

330

90.9

439.2

1”

25*9*0.3

221

155000

219

95.5

238.5

1”

25*9*0.4

306

155000

219

96.6

246.6

1”

25*9*0.6

477

155000

219

98.4

264

1.5”

38*12.7*0.6

316

48000

145

98.1

156.9

1.5”

38*12.7*0.8

423

48000

145

97.4

164

2”

50*17*0.6

250

21500

115

98.3

126.4

2”

50*17*0.8

334

21500

115

97.9

130.7

3”

76*25*0.8

202

5800

69

98.6

74.9

3”

76*25*1.0

256

5800

69

98.2

76.5

3”

76*25*1.2

310

5800

69

99.0

78.1

 
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
 
Random packing is widely used in industrial mass transfer and separation processes due to its cost-effectiveness, easy installation, and adaptability to diverse fluid conditions. Its core applications span chemical, petrochemical, environmental, and pharmaceutical industries, focused on enhancing gas-liquid or liquid-liquid contact. Below are the key application scenarios:

1. Distillation

The most common use, for separating liquid mixtures via vapor-liquid equilibrium:
  • Petrochemical Industry: Crude oil refining (separating gasoline, diesel, kerosene), naphtha fractionation.
  • Chemical Production: Ethanol-water separation (beverage/fuel ethanol), solvent purification (e.g., methanol).
  • Food & Beverage: Essential oil extraction (e.g., citrus oils) and sugar syrup concentration.

2. Gas AbsorptionRemoving harmful components or recovering valuable substances from gas streams:

  • Environmental Protection: Flue gas desulfurization (removing SO₂ from power plant emissions), ammonia/NOₓ capture in industrial exhaust.
  • Chemical Recovery: Recovering volatile solvents (e.g., benzene, toluene) from chemical process off-gases; absorbing CO₂ in carbon capture systems.
  • Water Treatment: Stripping dissolved gases (e.g., H₂S, chlorine) from groundwater or wastewater.

3. Liquid-Liquid Extraction

Separating solutes between immiscible liquids (when distillation is inefficient/costly):
  • Pharmaceuticals: Purifying active pharmaceutical ingredients (APIs) from fermentation broths (e.g., antibiotics).
  • Mining & Metallurgy: Recovering precious metals (gold, copper) from leachate; separating rare earth elements.
  • Fine Chemicals: Extracting organic acids (e.g., acetic acid) or dyes from aqueous solutions.

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