Column Internal-Trays

Metal Dual Flow Trays: Downcomer-Free Fouling-Resistant Solutions for Severe Polymerization & Slurry Services

Engineered for Extreme Fouling Metal Dual Flow Trays eliminate downcomers entirely, utilizing large perforations (Ø12-25mm) that enable simultaneous vapor/liquid passage. This self-scouring action delivers unmatched fouling resistance in polymerizing/slurry services like PVC stripping towers and refinery vacuum sections – where conventional trays would fail within months. Core Technical Specifications Parameter

Column Internal-Trays

Guided Metal Conventional Valve Trays: High-Efficiency Directional Flow Technology for Refinery Fractionation

Trapezoidal Valve Innovation Guided Metal Conventional Valve Trays feature patented trapezoidal valves that redirect gas flow at acute angles to liquid movement, creating synergistic forward thrust. This Tianjin University-developed design slashes tray pressure drop by 15-20%, extends turndown flexibility (33% lower gas load limit + 20% upper limit), and eliminates

Column Internal-Trays

Metal Fixed Valve Trays: Stationary High-Capacity Solutions for Fouling-Prone Fractionation Systems

Engineered for Reliability Metal Fixed Valve Trays feature permanently open valve units that deliver sieve-tray simplicity with enhanced vapor-liquid contact. By eliminating moving parts, they prevent wear/sticking while achieving 20-30% higher capacity and 6:1 turndown ratios versus sieve trays – ideal for fouling services like FCC main fractionators and PVC

Column internals-Distributors

Trough-Pan Liquid-Gas Distributors: Hybrid Foam-Defeating Distribution for High Turndown Services

Engineered Hybrid Performance Trough-Pan Liquid-Gas Distributors combine the liquid-handling capacity of trough distributors with the gas-phase control of tray technology. Featuring integrated defoaming devices that capture micro-to-macro foams at inlet/outlet points, this compact design delivers 10:1 operational turndown while eliminating entrainment and fouling in foaming services. Core Technology Innovation Operational

Column internals-Distributors

Hold Down Grids: Packing Stabilizers for High-Gas Load & Vacuum Distillation Systems

Bed Stabilization Technology Hold down grids (bed limiters) prevent packing fluidization and intermixing during gas surges (>3 m/s vapor velocity) or pressure transients. Engineered with ≥85% open area and 10,000 kg/m² load capacity, these grids maintain bed integrity while permitting unrestricted vapor/liquid flow in vacuum distillation, acid towers, and high-turndown

Column internals-Distributors

Trough Liquid Distributors: Heavy-Duty Liquid Distribution for Fouling Services & High-Capacity Columns

High-Flow Process Solution Trough Liquid Distributors deliver robust liquid distribution in demanding industrial applications. Featuring modular parting boxes that stack vertically for column heights >8 ft (2.4m+), this fouling-resistant design handles extreme liquid loads (2-50 m³/m²hr) while servicing column diameters from 900mm to 8m+. Design Features & Benefits Characteristic Technical

Structured Packing

Ceramic Structured Packing: Ultra-High Temperature Corrosion Resistance for Extreme Process Environments

Engineered for Extreme Conditions Ceramic Structured Packing delivers unmatched thermal stability (≤800°C) and acid/alkali resistance in highly corrosive processes. Engineered corrugated geometries provide 3-5× higher separation efficiency than random packing with minimal pressure drop (<6 mmHg/m), ideal for vacuum distillation, H₂S scrubbing, and sulfuric acid concentration systems. Material Superiority Property

Structured Packing

Plastic Corrugated Structured Packing: Cost-Effective Corrosion Resistance for Harsh Chemical Processes

Plastic Corrugated Structured Packing delivers exceptional corrosion resistance at lower costs than metal alternatives. Engineered from PP, PVC, PTFE, or PVDF polymers with specialized honeycomb designs, it provides high void ratios (>96%) and ultra-low pressure drops for acid scrubbing, VOC removal, and aggressive chemical processing up to 135°C. Key Materials

Structured Packing

Plastic Alloy Corrugated Packing: Advanced High-Temp Corrosion Resistance for Harsh Chemical Processing

Innovative Material Solution Plastic Alloy Corrugated Packing is a proprietary non-metallic engineered material designed for extreme industrial environments. Developed specifically to outperform conventional plastics in highly corrosive, high-temperature applications (≤120°C), it combines polymer versatility with alloy-enhanced durability. Key Advantages 🛡️ Extreme Corrosion Resistance: Withstands concentrated acids/alkalis where metals fail 🔥

Plastic Random Packings

Plastic Cascade Mini Rings – Compact Design for Efficient Gas-Liquid Contact

Plastic Cascade Mini Rings – Maximizing Efficiency in Compact Spaces When tower space is limited but performance can’t be compromised, plastic cascade mini rings offer a smart solution. Their unique low-profile design—where diameter is about three times the height—creates a stable, evenly distributed bed that enhances gas-liquid interaction without taking

Metal Random Packings

Metal Pall Ring Packing – The Reliable Workhorse for Tower Operations

Metal Pall Ring Packing – Efficiency You Can Trust When it comes to tower packing, sometimes the classics are still the best. Metal pall rings have been a go-to solution for decades—and for good reason. They strike a practical balance between performance, cost, and reliability that’s hard to beat. Whether

Plastic Random Packings

Polyhedral Hollow Ball Packing – Lightweight Efficiency for Water Treatment & Gas Scrubbing

Polyhedral Hollow Ball Packing – Maximum Surface, Minimum Weight When you need a packing that combines large surface area with minimal weight and pressure drop, polyhedral hollow balls deliver a smart balance. Their unique design features two interlocking hemispheres with fan-shaped leaves that create an open, efficient structure perfect

Demisters

Wire Mesh Demisters: High-Efficiency Mist Elimination for Industrial Gas Streams

Advanced Entrainment Control Wire Mesh Demisters utilize precision-woven metal/non-metal meshes (Ø≤0.3mm) to capture 99.5% of liquid droplets down to 1μm. Engineered with >95% void volume and customizable configurations (ring/chevron/withdrawable), they deliver <0.15 kPa pressure drop while eliminating carryover in refinery sour water strippers, chemical scrubbers, and acid gas treatment units.

Demisters

Vane Mist Eliminators: High-Capacity Fouling-Resistant Separation for Demanding Industrial Gas Streams

Inertial Impaction Technology Vane Mist Eliminators utilize precisely spaced corrugated plates to force directional changes in gas streams, leveraging inertial forces to capture 99% of liquid droplets ≥5μm. Engineered for high liquid loads and fouling resistance, these low-∆P (<0.25 kPa) systems excel in refinery sour water strippers, LNG knockout drums,