Process Towers & Columns

WSHI designs and fabricates a full range of process towers & columns for critical separation, absorption, distillation, stripping, and chemical reaction applications. Built to handle extreme temperatures, pressures, and corrosive media, our columns serve as essential components in petrochemical, refining, chemical, fertilizer, and energy plants.

Urea Scrubber Column for Fertilizer & Chemical Plant

Ammonia Synthesis Tower Shell for Luyuan Chemical

MPC Reaction Column – Anhui Quansheng Chemical

Types of Process Towers & Columns

Weihai Shidao Heavy Industry (WSHI) manufactures a complete range of process columns to meet the diverse requirements of industrial separation, purification, and reaction systems. Our column products are engineered for high reliability, structural strength, and long-term performance under extreme pressure, temperature, and corrosive environments.

Function & Application Types: Our columns serve various process needs including distillation, absorption, desorption, scrubbing, chemical reaction, drying, and solvent extraction.
Structural Designs: Available in packed towers, bubble-cap tray towers, valve tray towers, wire mesh columns, and fully skid-mounted modular units.
Operating Pressure & Temperature: Columns are offered for atmospheric, low-pressure, medium-pressure, and high-pressure service, and can operate from ambient to ultra-high temperatures exceeding 800°C.
Internal Components: WSHI designs and integrates structured/random packing, bubble cap trays, sieve trays, valve trays, as well as liquid distributors, redistributors, and demisters according to process needs.
Material Options: We provide a wide range of materials such as carbon steel, stainless steel (304/316/316L), titanium, Hastelloy, nickel alloys, duplex stainless steel, and zirconium to suit aggressive or special media.
Column Section Configurations: Our product range includes single-section towers, multi-section columns, dual-chamber designs, as well as series or parallel-connected configurations to meet complex process flow layouts.
Design Codes & Standards: All columns are designed and fabricated in accordance with ASME Section VIII-1/VIII-2, GB150, EN13445, PED, or client-specific standards.

WSHI’s column systems are widely used in petrochemical plants, chemical facilities, gas processing units, fertilizer production, and clean energy projects.

Technical Data:

Diameter :

max. Ø 13360 mm.

Length :

120000 mm.

Thickness :

100 mm

Pressure :

8 MPa

Weight :

1000 tons

Temperature :

≤450 °C

Certified Safety, Reliable Quality, Custom-Engineered Pressure Vessels.

— Globally Compliant, Built for Harsh Industrial Conditions.

Application

WSHI process columns are essential components in mass transfer and chemical conversion systems across various industries. Designed for complex separation, purification, and reaction processes, our towers offer high operational reliability, material compatibility, and structural strength.

Petrochemical Industry: Crude distillation, vacuum distillation, catalytic cracking fractionation, light hydrocarbon separation. Representative Products: Atmospheric Distillation Column, Packed Vacuum Tower, Valve Tray Fractionating Column.
Refining & Oil Processing: Diesel hydrotreater columns, stabilizer towers, deethanizers, gas recovery towers. Representative Products: Bubble-Cap Tray Column, Structured-Packing Stabilization Tower, Horizontal Skid-Mounted Absorber.
Chemical & Fine Chemical Industry: Absorption/desorption of HCl, NH₃, SO₂; solvent recovery; reaction towers. Representative Products: PTFE-Lined Scrubber Tower, Multi-Stage Extraction Column, Sieve Tray Absorber Tower.
Fertilizer & Ammonia Plants: CO₂ removal towers, synthesis gas purification columns, methanol wash towers. Representative Products: High-Pressure Packed Absorber, Dual-Layer Reaction Tower, High-Temperature Desorption Column.
Gas Processing & Natural Gas Industry: Gas dehydration towers, glycol contactor columns, acid gas removal (AGR) systems. Representative Products: Tall Tower with Structured Packing, Vertical Desiccant Dryer Tower, Stainless Steel AGR Column.
Pharmaceutical & Food Industry: Solvent recovery, vapor stripping, ingredient purification, aroma extraction. Representative Products: Sanitary-Grade Stripping Column, GMP-Compliant Distillation Tower, Glass-Lined Extraction Tower.
Environmental & Waste Treatment: Flue gas desulfurization (FGD), VOC stripping, wastewater vapor treatment. Representative Products: Corrosion-Resistant Scrubbing Tower, Multi-Layer Bubble Tray Column, Demister-Fitted Vertical Tower.

Reliable Columns for Demanding Industrial Processes
At WSHI, every tower and column is engineered to deliver precision, safety, and efficiency under the most demanding operating conditions. From petrochemical separation to gas dehydration, our vertical vessels are trusted by global clients across industries. With full customization in diameter, height, internals, and materials—and strict compliance with ASME, GB, API, and EN standards—WSHI is your one-stop partner for process column solutions.

📩 Let’s design your next column together.
Whether you need a packed vacuum tower, a stainless-steel scrubber, or a high-temperature distillation column, our team is ready to help.

Process Towers & Columns

Types of Process Towers & Columns

Technical Data:

Diameter :

Length :

Thickness :

Pressure :

Weight :

Temperature :

Application

Resources:

Project Cases

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