ChemTech Ltd'

1
ChemTech Ltd.

• Team Crimson
• Kameelah E. Wesley
• Adi Sunaryo
• Omid Tawackoli
• Taylor Wilson
• Kylene Black

2
Tasks

• Design heat exchanger
• Estimate cost
• Select material type
• Design heat exchanger with the Rigorous Model in
  Pro/II
• Create T-Q Diagrams
• Determine the cost for installation
• Design specialized column

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Heat Exchanger Design

• Tube Side Dimensions
• Diameter 1in
• Length 16ft
• Pitch 1.25in
• BWG 16
• Calculated Values
• LMTD 105F
• Bundle diameter 23in
• Shell diameter 22.45in
• Pressure drop 0.0177psia

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Heat Exchanger Design

• Single Pass
• 214 tubes
• U 83.6 Btu/hrft2F
• 29,667
• Double Pass
• 136 tubes
• U 83.74 Btu/hrftF
• 33,746

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Material Type

• Stainless Steel
• Good resistance against high/low temps
• Long service life
• Environmentally friendly
• Corrosion resistance
• Durability
• Flexibility

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SHELL/ TUBES

• SHELL
• METHANE CYCLOHEXANE
• TUBES
• BENZENE HYDROGEN

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T-Q Diagrams (E2)
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T-Q Diagrams (E3)
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Rigorous Model Heat Exchanger

• 1-2 shell and tube exchanger
• Length 14ft
• Triangular pattern
• Pressure drop 5psi
• Area 1504ft2
• U 107Btu/hrft2F
• LMTD 122F

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Rigorous Model Column Specifications

• 30 trays
• Heat Duty -11.05MMBtu/hr
• Reflux ratio 24
• Top stream, M 36.1 lb-mol/hr
• Bottom stream, M 362.8lb-mol/hr
• Reboiler
• Kettle type
• heat duty 12.6MMBtu/hr

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Fixed Capital Investment
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Recommendations

• Use stainless steel material
• Use Rigorous Heat Exchanger
• Higher heat transfer coefficient
• Less expensive
• Smaller surface area

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Any Questions?

• Refer to web site http//students.ou.edu/T/Omid.T
  wackoh-1/
• Thank you for your time and patience