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DIESTA is an innovative new finned tube technology, dedicated to air cooled heat exchangers, using enhanced surfaces, that has the ability to improve plant efficiency and reduce construction costs without deviating from the robust design requirements of oil & gas industry standards such as API 661.
KEY APPLICATIONS
LNG air-cooler fields including MR compressor inter- and aftercoolers, C,refrigerant coolers (desuperheater, condenser and subcooler)
Ethylene quench-water air cooler fields (focus naphtha-based crackers)
Other areas: gas processing plants, gas compression stations,refineries
Available for greenfield and revamp debottlenecking projects
BENEFITS
Depending on project objectives, either:
CAPEX savings: Up to 20 % air-cooler field length reduction
Savings in structures, piping, wiring and foundation
Increased Revenue:
Substantial benefits depending on individual process conditions.
LNG aircooler optimization does lead to up to 3 % capacity increase
Improve CO,footprint:
System efficiency improvement
(reduction of compression work)
DESCRIPTION
The DIESTA tube is a bimetallic finned tube with an aluminum sleeve1fully covering the base carbon steel tube. The outside aluminum fins are embedded into the grooves of the aluminum sleeve(1). To optimize the air-and tubeside heat transfer performance enhancement structures are applied on both sides. The aluminum fins on the airside combine both a groove and a dimple structure(2).Airside mechanical qualification confirmed robustness towards fouling, cleaning as well as mechanical strength of the fins equally to standard extruded finned tubes. The tubeside has an internally helical fin structure (3) ensuring an increased of tube side heat transfer coefficient while controlling the pressure drop.DIESTA Tech-nology is a development by the cooperation of Wieland,TechnipFMC and Kelvion.
FAQ
Q1: What are the benefits of using DIESTA finned tubes?
A1: Depending on the project objectives, benefits include:
CAPEX savings: Up to a 20% reduction in air-cooler field length, leading to savings in structures, piping, wiring, and foundation.
Increased Revenue: Substantial benefits depending on individual process conditions, with LNG air-cooler optimization leading to up to a 3% capacity increase.
Improved CO₂ footprint: System efficiency improvement through the reduction of compression work.
Q2: How is the DIESTA tube constructed?
A2: The DIESTA tube is a bimetallic finned tube with an aluminum sleeve fully covering the base carbon steel tube. The outside aluminum fins are embedded into the grooves of the aluminum sleeve. To optimize heat transfer performance, enhancement structures are applied on both the airside and tubeside.
Q3: What are the unique features of the airside fins on DIESTA tubes?
A3: The airside fins on DIESTA tubes combine both groove and dimple structures. This design has been mechanically qualified to ensure robustness towards fouling, cleaning, and mechanical strength, matching that of standard extruded finned tubes.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Importer,Exporter
Year Established:
2002
Total Annual:
35000-55000
Employee Number:
200~250
Ecer Certification：
Verified Supplier
DELLOK YONGHUI Radiating Pipe Manufacturing Co.,Ltd, was established in 2003, which is located in Jiangsu, China.We joined HARBIN AIR CONDITIONING CO., LTD.and became the most professional industry manufacturer in China., international bussiness more than 20 years, with it serves in the oil ref... DELLOK YONGHUI Radiating Pipe Manufacturing Co.,Ltd, was established in 2003, which is located in Jiangsu, China.We joined HARBIN AIR CONDITIONING CO., LTD.and became the most professional industry manufacturer in China., international bussiness more than 20 years, with it serves in the oil ref...
