EngineeredgHeatingg Solutions
www.csiheat.com

Contro Trace
andd SxSeal
S S l™

The Above-Ground Sulfur Seal from the Makers of ControTrace®

CSI solves thermal problems• Process heating
g is critical• Root cause of issues often not well understood• CSI approach = form fits function• Match heating system to thermal objective2© Controls Southeast, Inc., 2012. This information may not be reproduced in part or in whole, without the expressed written permission of CSI.

CSI customers
Oil & Gas

Petrochemicals / Chemicals

Engineering & Construction

Other3© Controls Southeast, Inc., 2012. This information may not be reproduced in part or in whole, without the expressed written permission of CSI.

一般的なｻﾙﾌｧｰﾘｶﾊﾞﾘｰﾕﾆｯﾄ です｡ 絶えずﾒﾝﾃﾅﾝスが必要な工程で､石油精製工場でも最も悩みの多い工程です｡

SRU thermal maintenance needs

Maintain bulk temperature
Maintain wall temperature
4© Controls Southeast, Inc., 2012. This information may not be reproduced in part or in whole, without the expressed written permission of CSI.

Prevent plugging & corrosion

Vapor space
Keep walls above
250°F
250
F to prevent:• Sulfur solidification• Corrosion• Pyrophoricy pFeS
• Fire/explosionMolten sulfur
Keep above 275°F
to maintain flowability
5© Controls Southeast, Inc., 2012. This information may not be reproduced in part or in whole, without the expressed written permission of CSI.

従来の温度ﾒﾝﾃﾅﾝｽです

Heating Approaches
2重管

Tube/Electrical
Tracing

Jacketed
Pipe

銅管によるｽﾁｰﾑﾄﾚｻｰ/電気ﾄﾚｻｰ

1 Heat Transfer
1.

1. Heat Transfer

2. Tubing $$$2. $$$$$

3. HM Infrastructure $$Trap Quantity

3. Cross-Contamination
CC
4. Traps 6-12m

6© Controls Southeast, Inc., 2012. This information may not be reproduced in part or in whole, without the expressed written permission of CSI.

2重管だと漏れによる､ﾌﾟﾛｾｽ流体とｽﾁｰﾑ流体の混入が生じ品質､安全面に支障をきたすｹｰｽがあります

Cross contamination• One NA refinery safety incident• Core weld failure in jacketed sulfur run-down piping• H2S leaked into steam system during turn-around• Condensate vented upon start-up• Operator exposed to dangerous H2S levels
7© Controls Southeast, Inc., 2012. This information may not be reproduced in part or in whole, without the expressed written permission of CSI.

銅管ﾁｭｰﾌﾞﾄﾚｰｽだと 必要な温度を満たすためには､多くのﾁｭｰﾌﾞが必要です｡

More Tubes = More HM Infrastructure• More tubes means more manifolds• More tubes mean more Supply and Return Tubing• More HM Infrastructure=More $$$8
© Controls Southeast, Inc., 2012. This information may not be reproduced in part or in whole, without the expressed written permission of CSI.

Typical spacing with TT

9© Controls Southeast, Inc., 2012. This information may not be reproduced in part or in whole, without the expressed written permission of CSI.

ControTrace• 22”X1”
X1 rectangular tubing is banded onto piping• Designed with ASME Section VIII
• ContouredC td tto fit pipei OD• Heating medium flows through tracing• HTC used to remove air gaps
• Add elements for more heatq = U × A × ΔT

Higher UA with ControTrace
q = U × A × ΔT
TT UA = 0.20

熱効率ですCT UA = 6.7

KTT UA = 00.60
604
H∆T UA = 11.4
11© Controls Southeast, Inc., 2012. This information may not be reproduced in part or in whole, without the expressed written permission of CSI.

How ControTrace Works
熱伝導q = U × A × ΔT
Process Temperature Maintenance12© Controls Southeast, Inc., 2012. This information may not be reproduced in part or in whole, without the expressed written permission of CSI.Tail Gas
How does ControTrace save so many traps?

18 individual ControTrace elements
13

Tail Gas
How does ControTrace save so many traps?
2 steam supplies

Flexible metal
jumper hoses willconnect thesepanels to the next
panels to extend
circuit length

18 headered ControTrace elements
elements.
Never more than 2 steam circuits per length of pipe!
14

ControTrace on Piping
Process Piping

Process
Heat
Transfer
CompoundHeatingMedium

ControTrace Heating Elementq = U × A × ΔT15
© Controls Southeast, Inc., 2012. This information may not be reproduced in part or in whole, without the expressed written permission of CSI.

Engineered System =Predictable Performance16© Controls Southeast, Inc., 2012. This information may not be reproduced in part or in whole, without the expressed written permission of CSI.

ControTrace on Tanks/Vessels

17© Controls Southeast, Inc., 2012. This information may not be reproduced in part or in whole, without the expressed written permission of CSI.

Thank you!

38
© Controls Southeast, Inc., 2012. This information may not be reproduced in part or in whole, without the expressed written permission of CSI.