CiTECH Energy Recovery Systems - Designers and Suppliers of CiBAS, Gas Turbine Heat Recovery and Once Through Steam Generation Packages

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CiBAS Technology


CiTECH manufactures its products using both traditional technology and its own revolutionary CiBAS technology.

We believe the technology created in building CiBAS is helping to build a brighter future. Because of the unique way CiBAS operates, productivity and safety is kept to a maximum giving the best performance possible, whilst giving the peace of mind that your waste outputs, emmissions and noise levels are kept to a minimum.

More detailed information on CiBAS technology and its many attributes can be found here
CiBASIntroduction
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CiBAS Unit being prepared for deployment
With the introduction of our CiBAS technology we have incorporated the benefits of concentric technology derived from years of fired heater experience together with a wealth of knowledge & experience of the offshore industry and created a concept aimed at providing the industry with leading edge technology.

• A compact & fully integrated package, shop assembled and transportable as a single flange to flange assembly limiting yard or site assembly

• Simplicity of design ensuring rapid assembly / dis-assembly

• Internally lined coil casing maintaining a surface temperature sub 67 Degrees C with the added benefit of reducing noise break out to less than 85 dBa @ 1 metre distance - ATEX compliant

• An alternative (unlined) hot casing design solution is also available

• Integrally mounted centre plug and bypass damper-noise attenuation is provided in bypass mode to ensure equal attenuation levels

• Minimal support steel work

• Design configurations for both vertical and axial exhaust flow engines

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CiBASCiBAS Overview
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CiBAS' design is flexible and has been developed for operation as:

Cibas Overview

• A Gas Turbine Heat Recovery unit
• A Gas Turbine Once Through Steam generator
• A supplementary fired design of CiBAS is available

In our ongoing quest to meet customer & project needs, we have developed CiBAS, an innovative package concept incorporating the requirements of the industry into a fully integrated factory assembled unit.  

The extent of its benefits are far reaching and with assistance in the FEED stage, the equipment can be integrated into a design solution saving significant price, space and weight, important criteria in the early project development phase.

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CiBASPackage Concept
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Package Concept

CiTECH is a "World Class" supplier of Gas Turbine Heat Recovery systems and over 25 years has delivered over 227 specialised turbine heat recovery packages to the Oil and Gas Industry.

Our commitment in this field has produced innovative solutions aimed at saving weight and space for Offshore designers. Innovation and the CiBAS concept is leading the drive for further advances. The generic package can be installed across a range of gas turbines from 5 to 50 Megawatts for both Thermal energy recovery and Steam generation purposes.

Whatever your process, CIBAS is the most compact, lightweight and cost effective way of recovering heat from your turbine exhaust.

CiBAS stands for Concentric Internal Bypass And Silencer

The patented design can be used for heating any fluid and controls the process temperature accurately with it's sleeve type bypass valve. In its standard form CIBAS reduces a gas turbine's noise level to less than 80 dBA at 1 m making it ideal for all locations.

The cold casing design allows CiBAS to be used in potentially explosive atmospheres associated with oil and gas platforms offshore and in petro-chemical plants onshore.

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CiBASSimplicity
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CiBAS under construction

• New Developments
• Upgrades
• Retrofits
• Modifications
• Atex compliant in cold casing form

The package is designed to save space & weight.

For existing platform upgrades, modifications or retrofits, CiBAS can be loaded out and lifted on board in modules ensuring wherever possible that existing platform cranage capacity can be utilised, minimising project costs and due to its simplicity of design, ensuring rapid installation, hook up & deployment.

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CiBASGeneric Family
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CiTECH has developed CiBAS as a generic family of heat recovery and steam generation packages. Helically wound, finned tube bundles are installed within the unit annulus between outer casing and internal bypass valve. Recovering heat from the full turbine flow at temperatures typically in the 400°C to 550°C range.

Model Comparison Chart

Model
C30
C45
C70
C100
C150
Flow Range (Kg/s)
30
45
70
100
150
Temperature (/C)
<600
<600
<600
<600
<600
Height (m)
10
10
11
12
12
Overall Diameter (m)
3
3.6
4.3
4.9
5.75
Weight (m)
24
39
45
52
78


Noise Level Comparison Chart

Noise Level Comparison Chart


Exhaust Gas Flow Data

Exhaust Gas Performance


Seal Heat Annulus Temperature

Seal Heat Annulus Temperature

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CiBASBenefits
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The benefits of a CiBAS product are numerous.

• Compact / Lightweight / Low centre of gravity
• Minimal structural support / Minimal platforms
• Reduced deck plot area
• Low windage-blast profile
• Pre-commissioning
• Pre-insulated
• Integral silencing
• Lowest installed cost
• Low noise level - sub 80dBA
• Integral fail-safe bypass valve
• Shop assembled and tested
• Low-pressure drop
• Package unit delivery
• Low-level actuation ofthe sleeve
• Direct Mounting to GT
• Minimal hot commissioning
• Low skin temperature < 65°C

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CiBASComparison
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CiBAS versus our traditional concept - The net benefit in weight between the two solutions is in excess of 150 tonnes to the platform.

The diagrams below shows the benefits

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CiBASGas Turbine Heat Recovery
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The patented design can be used for heating any fluid and controls the process temperature accurately with it's sleeve type bypass valve. In its standard form CiBAS reduces a gas turbines noise level to less than 80 dBA at
1m making it ideal for all locations.

The cold casing design allows CiBAS to be used in potentially explosive atmospheres associated with oil and gas platforms offshore and in petro-chemical plants onshore.

 

 

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Gas Turbine Heat Recovery
CiBASOnce Through Steam Generation
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Once Through Steam Generation

CiTECH has used its wealth of experience in once through steam generation systems to extend its CiBAS range with the successful introduction of Gas Turbine OTSG packages.

Again using helically wound finned tube bundles, the equipment recovers heat from full turbine flow at temperatures in the 400°C to 570°C range.

The system is designed to currently operate at pressures up to 62 Bar and super heat temperatures up to 515°C. Steam production across the range of five package solutions ranges from 8 tonnes to 55 tonnes per hour by design. Supplementary firing the exhaust can increase these values significantly.

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CiTECH ENERGY SYSTEMS are Designers and Suppliers of CiBAS,
Thermal Energy Recovery and Steam Generation Products.
CiTECH operates across the globe, with offices in the UK, Norway, France, USA, Brazil, Korea and the Asia-Pacific region. As well as providing an array of products, we also manufacture our unique CiBAS system.

 



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