Pingxiang Daier Ceramic Pall Ring Engineering Solutions for Acid Scrubbers & Distillation Columns

Ceramic Pall Ring: Engineering Solutions for High-Temperature & Corrosive Service

When process conditions exceed 300°C or involve strong mineral acids—sulfuric, nitric, hydrochloric—metal packing corrodes and plastic packing softens or deforms. Ceramic Pall Rings from Pingxiang Daier (D-A-I-E-R) are engineered specifically for these demanding environments.

This article examines the engineering parameters, application boundaries, and selection criteria for ceramic Pall rings in distillation, absorption, and scrubbing systems.

Material Engineering: Al₂O₃ Content & Temperature Resistance

Performance advantage: At equivalent pressure drop, ceramic Pall rings handle 50–100% higher throughput than Raschig rings. At equivalent throughput, pressure drop is 50–70% lower. Packing volume can be reduced by 20–40% compared to Raschig rings.

Application Scenarios & Selection Boundaries

Primary applications:

• Sulfuric acid drying towers and absorption systems

• Nitric acid production absorption towers

• Hydrochloric acid treatment systems

• Hot gas quenching and high-temperature flue gas scrubbing

• Amine absorption towers and acid gas treatment

• CO₂ degassing towers

• Chemical, metallurgical, coal gas, oxygen production, pharmaceutical, and fertilizer plant columns including scrubbers, dryers, absorbers, coolers, recovery regenerators, and desulfurization systems

Selection boundaries (when ceramic is the only option):

For chloride-containing environments at moderate temperature, SS316L (Mo ≥ 2.0%) may be considered. For high-temperature chloride service, ceramic remains the only viable option.

Quality Assurance & Material Verification

Pingxiang Daier ceramic Pall rings are manufactured under ISO 9001:2015 certified quality systems.

Available documentation:

• EN 10204 3.1 material certificates

• PMI (Positive Material Identification) testing support

• Full dimensional inspection and batch traceability

Manufacturing location: Pingxiang, Jiangxi, China—one of the country's major industrial ceramics hubs.

Engineering Support Services

Pingxiang Daier provides process engineering support for packing selection:

• Hydraulic calculations: pressure drop, flooding velocity, packing factor (F-factor)

• HETP estimation and separation efficiency prediction

• Technical drawings and installation guidance

Free engineering service: Submit column operating conditions (temperature, pressure, gas/liquid flow rates, media composition) to receive a free packing selection and HETP calculation report—no obligation.

Manufacturing & Global Delivery

DAIER (spelled D-A-I-E-R) is a Taiwan-invested enterprise established in 2009 with over 17 years of industry experience. Operations span three hubs:

• Pingxiang, Jiangxi – manufacturing base

• Xiamen – international export and logistics center

• Taiwan – technical support and engineering coordination

Products are exported to Europe, North America, the Middle East, and Southeast Asia. Standard sizes available from stock; custom dimensions produced to project specifications.