High-Temperature Aerogel Insulation Upgrade for Petrochemical Equipment

Aerogel insulation retrofit project for high-temperature petrochemical pipelines

Project Overview

Industrial thermal insulation plays a critical role in energy efficiency, process stability, and operational safety within petrochemical facilities.

A large-scale petrochemical insulation retrofit project was recently completed as part of an ongoing energy optimization and facility modernization program. The project involved thermal insulation upgrades for high-temperature pipelines, steam turbines, valves, flanges, and complex process equipment operating under demanding industrial conditions.

Approximately 400 m³ of aerogel insulation materials were installed throughout the facility to replace aging conventional insulation systems and improve overall thermal performance.

Large-scale aerogel insulated process pipelines in a petrochemical facility

Large-scale aerogel insulated process pipelines in a petrochemical facility.

Project Snapshot

Industry Petrochemical
Insulation Material Aerogel Blanket
Material Quantity Approx. 400 m³
Maximum Operating Temperature 420°C
Installed Thickness 40 mm
Heat Loss Reduction >50%
Estimated Payback Period ~3 Years

Project Challenges

Before the retrofit, the facility faced several common insulation challenges frequently encountered in petrochemical operations.

Aging Conventional Insulation Systems

The original insulation system had been in service for many years. Over time, thermal performance declined due to:

  • ▸Increased thermal conductivity;
  • ▸Material degradation;
  • ▸Mechanical damage;
  • ▸Moisture exposure;
  • ▸Reduced insulation effectiveness.

As a result, heat loss increased and overall energy efficiency declined.

Complex Equipment Geometry

Many components within the facility featured complex shapes, including:

  • ▸Valves;
  • ▸Flanges;
  • ▸Steam turbine extraction points;
  • ▸Instrument connections;
  • ▸Irregular equipment surfaces.

Traditional insulation materials often struggle to conform tightly to these structures, creating thermal bridges and localized heat-loss areas.

High Operating Temperatures

Process temperatures reached up to:

420°C

under continuous high-temperature operating conditions

The insulation system needed to maintain long-term performance under continuous high-temperature operating conditions.

Maintenance Accessibility Requirements

Frequent equipment inspection and maintenance required insulation systems that could be removed and reinstalled efficiently without excessive material damage.

Aerogel Insulation Solution

Following a detailed engineering evaluation, the project adopted a customized aerogel blanket insulation solution designed specifically for petrochemical operating conditions.

Aerogel blanket insulation applied to high-temperature industrial pipelines

Aerogel blanket insulation applied to high-temperature industrial pipelines.

Key Material Characteristics

Specification Value
Insulation Material Aerogel Blanket
Thermal Conductivity Approx. 0.021 W/m·K
Maximum Service Temperature Above 450°C
Installed Thickness 40 mm
Traditional Insulation Thickness Approx. 150 mm

Compared with conventional insulation systems, the aerogel solution achieved similar or improved thermal performance with significantly reduced thickness.

Customized Engineering Design

To address the complex layout of the facility, several design improvements were implemented:

  • ▸Modular Insulation Construction: Custom prefabricated insulation modules were used to provide accurate fitting around complex equipment geometries and minimize thermal bridging.
  • ▸Removable Insulation System: Frequently maintained components such as valves and flanges were fitted with removable insulation structures to improve inspection and maintenance efficiency.
  • ▸Enhanced Mechanical Support: Dedicated support systems were installed on vertical piping sections to ensure long-term insulation stability under thermal expansion and vibration conditions.

Project Results

Following commissioning, operational performance demonstrated significant improvements across multiple areas.

Completed aerogel insulation retrofit on industrial process pipelines

Completed aerogel insulation retrofit on industrial process pipelines.

> 50%

reduction in heat loss compared with the previous insulation system

1,956 tce

estimated annual energy savings in tons of standard coal equivalent

4,882 t

estimated annual reduction in CO₂ emissions

More Than 50% Reduction in Heat Loss

Thermal monitoring indicated that total heat loss was reduced by more than 50% compared with the previous insulation system. This improvement contributed directly to lower energy consumption and improved process efficiency.

Significant Energy Savings

Estimated annual energy savings reached approximately 1,956 tons of standard coal equivalent (tce). This reduction in energy consumption supports both operational cost optimization and sustainability objectives.

Reduced Carbon Emissions

The improved insulation system contributed to an estimated annual reduction of 4,882 tons of CO₂ emissions, helping support long-term carbon reduction initiatives.

Improved Personnel Safety

  • ▸External equipment surface temperatures remained below 45°C;
  • ▸Personnel burn risk was significantly reduced;
  • ▸Safety compliance performance improved.

Faster Maintenance Operations

The removable insulation design reduced maintenance-related insulation removal and reinstallation time by more than 70% compared with conventional insulation methods.

Lower Lifecycle Cost

Although aerogel insulation materials typically involve higher initial investment, the project demonstrated considerable long-term value through:

  • ▸Reduced energy consumption;
  • ▸Lower maintenance requirements;
  • ▸Extended service life;
  • ▸Improved operational reliability.

The estimated payback period was approximately 3 years, depending on operating conditions and energy costs.

Why Aerogel Insulation Is Gaining Attention in Petrochemical Applications

Petrochemical facilities increasingly require insulation systems capable of delivering:

  • ▸Lower heat loss;
  • ▸Reduced insulation thickness;
  • ▸Long-term durability;
  • ▸Improved maintenance accessibility;
  • ▸Enhanced personnel safety.

Aerogel blanket insulation is becoming an increasingly attractive solution because it combines ultra-low thermal conductivity with lightweight, flexible installation characteristics.

For facilities operating at elevated temperatures and seeking improved energy efficiency, aerogel technologies may offer a practical path toward long-term performance improvement.

Key Takeaways

This project demonstrates how advanced aerogel insulation materials can:

  • ▸Reduce industrial heat loss;
  • ▸Improve process energy efficiency;
  • ▸Enhance operational safety;
  • ▸Simplify maintenance activities;
  • ▸Support carbon reduction objectives;
  • ▸Optimize lifecycle operating costs.

As industrial facilities continue pursuing energy-efficiency improvements, aerogel-based thermal insulation solutions are expected to play an increasingly important role in petrochemical and high-temperature industrial applications.

About Shanghai Airgeltech Co., Ltd.

Shanghai Airgeltech Co., Ltd. specializes in advanced aerogel insulation materials and thermal management solutions.

Main Products

  • ▸Aerogel Blanket
  • ▸Aerogel Felt
  • ▸Cryogenic Insulation Systems
  • ▸Industrial Thermal Insulation Solutions

Applications

  • ▸Petrochemical Facilities
  • ▸LNG & Cryogenic Systems
  • ▸Industrial Equipment
  • ▸High-Temperature Insulation
  • ▸Energy Infrastructure
  • ▸Advanced Thermal Management