Installation of aerogel blanket in SINOPEC Tianjin Dagang Petrochemical Plant

Number of visits: Date:2017-11-14

Customer Profile

Company SINOPEC Tianjin Dagang Branch Company

Project locationDagang Petrochemical Plant

Equipment/pipeline: Steam pipelines

Operation Conditions

Interior liquid temperature390

Pipeline diameter219mm

Pipeline length5000m

Wind speed1m/s

Products

Aerogel blanket DRT061010mm thickness

Solution

2 layers of aerogel blanket DRT0610 with aluminum foil

Noted: Glass fiber fabric with single-face aluminum foil was applied in between every 2 layers of aerogel blanket to prevent heat leakage from the gaps.

Data Comparison

Insulation Solution

 

Aluminum silicate wool

Aerogel blanket

Pipeline diameter

mm

219

219

Interior liquid temperature

450

450

Ambient temperature

25

25

Wind speed

m/s

1

1

Thermal conductivity of insulation material

W/(m*℃

0.049

0.020

Thickness for insulation

mm

120

20+100

Exit temperature

347

367

Plus or minus

 

Cracks, collapse and heat leakage from gaps happen, uneven insulation structure

Even insulation structure, no heat leakage from gaps

 

Benefits

A mixed solution of 2 layers of DRT0610 and aluminum silicate wool allows for surface temperature of insulation of 50, energy conservation by 25% and longer service life of insulation materials.

Pictures from Project Site

 
 

TypeInfo: Case Studies

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