Metal Baghouse Dust Collector for Sulfuric Acid Regeneration Unit

Project Overview

This project is developed for a top-tier refinery and petrochemical complex in Europe and is applied in its Sulfuric Acid Regeneration Unit.

The process unit handles high-temperature and highly corrosive gas streams containing ultra-fine particulate matter, which imposes exceptionally demanding requirements on dust collection technology, materials, and system reliability.

Project Information

• Project Type: High-Temperature Metal Baghouse Dust Collector

• Application: Sulfuric Acid Regeneration Unit

• Industry: Oil & Gas / Petrochemical

• Project Location: Europe

• Dust Collector & Metal Filter Supplier: Shaoguan Berae Filtration Technology Co., Ltd.

In this project, Berae supplies the complete H-T metal baghouse dust collector system and acts as the manufacturer and supplier of sintered metal fiber filter elements, which are the core filtration components of the system.

Process Challenges

• Process gas temperature up to 400–480°C

• Presence of corrosive components such as SO₂, SO₃, and sulfuric acid vapor

• Ultra-fine dust particles (1–10 μm, including sub-micron fractions)

• Risk of acid condensation near dew point

• Strict requirements for system sealing and temperature control

• Extremely low ambient temperatures (down to – 47°C)

These conditions require a filtration solution capable of long-term operation under high temperature, corrosion, and fine particulate loading.

Technical Solution

Metal Baghouse Dust Collector

• Designed for continuous operation at temperatures up to 480°C

• Fully sealed metal housing suitable for positive-pressure operation

• Integrated thermal insulation and electric heat tracing to maintain metal surface temperature above the acid dew point

• Engineered in accordance with petrochemical and international design standards

Sintered Metal Fiber Filter Elements (Core Component)

• Material: UNS SS310S sintered metal fiber felt

• Maximum operating temperature: 500°C

• Key Features

• Three-dimensional porous structure with uniform pore size distribution

• High filtration efficiency for ultra-fine particulate matter

• Excellent permeability with low pressure-drop characteristics

• Outstanding resistance to high temperature, corrosion, and thermal shock

• No fiber shedding, suitable for critical refinery applications

Pulse-Jet Cleaning System

• Online pulse-jet cleaning without process interruption

• Differential-pressure-based cleaning logic with time-based backup

• Multiple interlocks for temperature, compressed air pressure, and hopper level

• Designed for stable operation under fine and adhesive dust conditions

Design Highlights

• Integrated electric heating and insulation system to prevent acid condensation

• Modular structure for transportation and on-site installation

• Tube sheet and anti-swing fixing design for long metal filter elements

• PLC-based control system prepared for DCS integration

About Berae

Shaoguan Berae Filtration Technology Co., Ltd. specializes in sintered metal filtration materials and high-temperature dust collection systems.

Berae's products are widely applied in petrochemical, metallurgy, power generation, and other demanding industrial environments.