News
Clariant and Lummus Secure Catalyst Contract for World's Largest PDH Facility
Kenya Sets September Groundbreaking for Massive Sh2.2 Trillion Lamu Refinery
EIL Opens Bidding for Key Infrastructure and Equipment at Bina Refinery Expansion
Understanding Pre-Engineered Steel Frameworks for Industrial Construction
Industrial Cracker Trials Confirm Circular Feeds in Petrochemicals
The feed
MCatalysis Secures $5M Seed Round to Construct Industrial Microwave Refining Pilot Plant in France
U.S. Metals, Glass Furnace Additions & Rebuilds Add Up to Billions
Shell Deploys Europe’s First Industrial Electric Heater for Refinery Operations
Precision Engineering: How the 93-Meter Xylene Tower Was Successfully Hoisted
China Wuhuan Finalizes Structural Shell for 20,000 m³ Cryogenic LNG Tank
Kazakhstan and Samsung E&A Explore Plans for Massive Petrochemical Refinery
Provaris Energy and Himile Partner to Advance Hydrogen Storage Tank Manufacturing
石化炉体装备
Spring Hangers for Radiant Coils: Managing Thermal Growth
Outer tube wall temperatures in ethylene cracking furnaces can reach 950°C to 1100°C during normal operation. At those temperatures, a…
制造工艺与质检
Why Does Sour Service Limit Weld Hardness to 22 HRC?
A sour-service weld can look excellent and still contain the conditions that make it vulnerable to sulfide stress cracking. The bead may…
施工与吊装
Distillation Column Pre-Dressing: Is It Worth It?
The question lands on every project engineer's desk long before a heavy-lift contractor rolls onto site: do we fully dress this column on…
压力容器与管道
Kammprofile vs Spiral Wound Gaskets in Petrochemical Service
A flange joint fails not because the gasket was inadequate, but because its structural behavior was mismatched to the operating load…
Oman Expands Heavy Steel Fabrication Capabilities to Support Regional Energy Infrastructure
制造工艺与质检
Welding Procedure Qualification: What PQR Testing Verifies
A welding procedure can look sound on the drawing and still fail where the metal carries its real load — in the heat-affected zone, at the…
施工与吊装
Synchronous Hydraulic Lifting: How Load Balance Works
Synchronous hydraulic lifting is not simply the simultaneous extension of several cylinders. It is a control problem involving load…
Electrified Steam Cracking: Eliminating Combustion Emissions in Chemical Production
压力容器与管道
Is Induction Bending Worth It for High-Pressure Piping?
You have probably lost entire afternoons to elbow counts. Not the satisfying kind — the slow, paper-chase kind, where a spool drawing…
工业钢结构
Slip-Critical vs Bearing Bolts in Industrial Frames
The difference between slip-critical and bearing-type bolted joints is not the bolt itself. It is the intended load-transfer mechanism.
石化炉体装备
Cylindrical Heater Erection: Ring Stacking vs Panel Assembly
A vertical cylindrical fired heater rarely arrives on site as a neat, finished object waiting for a crane hook. Small units may be shipped…
制造工艺与质检
3D Laser Scanning for Steel Frame Virtual Fit-Up
A steel frame can be dimensionally correct on paper and still refuse to assemble cleanly on site. A connection plate may sit a few…
施工与吊装
Column Upending: How Tail Crane Loads Shift
Column upending is not a tandem lift with a fixed load split. It is a controlled transfer of load from one crane to another while a long…
压力容器与管道
Why Does Clad Plate Welding Follow a Strict Pass Order?
Clad plate welding is not a place for improvisation disguised as craftsmanship. The corrosion-resistant layer may be thin compared with the…
工业钢结构
Is Weathering Steel Worth It for Industrial Structures?
Every five to seven years, the maintenance crews arrive at a refinery or large chemical complex with sanders, blast equipment, and dozens…
石化炉体装备
Fired Heater Refractory: Castable vs Ceramic Modules
A fired heater refractory specification is not one decision. It is four simultaneous engineering problems welded together: thermal…
制造工艺与质检
Plasma vs Fiber Laser Cutting for Heavy Structural Steel
Every couple of years a new generation of high-wattage fiber lasers lands in the market, and a quiet round of soul-searching begins at…
施工与吊装
Anchor Bolt Tolerances for Petrochemical Column Foundations
When a 1,200-ton hydrocracker reactor is ready to lift—and the window between crane positioning and final set narrows to hours, sometimes…
石化炉体装备
Fired Heater Air Preheaters: Draft Control and Heat Flow
API Standard 560 specifies that fired heaters in general refinery service operate with approximately 20% excess air at the burner. That…
Anhui Fuhuang Steel Structure Under Regulatory Scrutiny After 280 Bank Accounts Frozen
Coordinating Complex Turnaround Operations at Yan’an Petrochemical Plant
制造工艺与质检
Local vs Furnace PWHT: Key Criteria for Weld Stress Relief
For thick steel welds, post-weld heat treatment is not simply a choice between two heating devices. It is a decision about how the entire…
施工与吊装
Modular Construction vs Stick-Built Refinery Erection
Every EPC contractor with a quarterly target and a PowerPoint deck loves the word “modular.” It is the industry shorthand for done-faster…
压力容器与管道
Tube-to-Tubesheet Joints: When to Weld vs Expand Tubes
A shell-and-tube heat exchanger can be correctly designed, correctly fabricated, and still develop a leak at its most concentrated…
石化炉体装备
Convection Section Finned Tubes: How Surface Geometry Works
The fired heater convection section is limited less by furnace volume than by the gas-side resistance to heat transfer. Process fluid moves…
New 300-Tonne Liebherr Crane Joins the Brazilian Industrial Fleet
石化炉体装备
Why Ethylene Cracking Radiant Coils Are Built for High Flux
Ethylene cracking furnace radiant coils operate in a narrow thermal window. Feedstock enters the radiant section after convection…
施工与吊装
Crawler Cranes vs Strand Jacks for Heavy Column Lifting
A petrochemical column weighing more than 1,000 tons is not simply a large load. It is a moving structural system with changing support…
工业钢结构
Petrochemical Steel Pipe Racks: Coating Selection and Criteria
Shallow breathing is easy to notice in the body once you know where to look — a lifted chest, a tightened throat, the small reluctance to…
制造工艺与质检
PAUT or Radiography: Is Phased Array Worth It for Vessel Welds?
The question of phased array ultrasonic testing versus radiography for pressure vessels is no longer simply a choice between two inspection…
压力容器与管道
Pressure Vessel Head Forming: Cold vs Hot Pressing
Every pressure vessel shop that builds dished heads eventually reaches the same fork in the road: press the plate at room temperature, or…