1500%20TPD%20Methanol%20Reactor%20System

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1500 TPDMethanol Reactor System
1500 TPDMethanol Reactor System
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General Overview
Capacity 1500 TPD Technology Lurgi Convertors T
wo (62,000 sq. ft. each) Manufacturer Nooter Tube
s 6851 (1.5 overall dia. x .078 wall thickness
x 2211.375 long) Tube Pressure/Temp. 920 PSIG
_at_ 520F Shell Pressure/Temp. 777 PSIG _at_ 517F
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Process Description
Lurgi Converters

• The purpose of the Lurgi converter loop is to
  produce methanol using synthesis gas as the raw
  material. Synthesis gas from the discharge of
  the MUG compressor (C-328) is combined with
  synthesis gas from the high pressure separator
  (V-2359) at the suction of the recycle compressor
  (C-329). The discharge pressure of C-329 is
  controlled at approximately 846 psig.
• The discharge flow from C-329 is preheated in
  interchanger HE-2553 (shell side) and fed to the
  two converters (V-2357 and V-2358) which are
  operated in parallel. The synthesis gas flows
  through the tubes of the converters, which are
  filled with a pellet-shaped catalyst. This
  catalyst is zinc/copper in an aluminum oxide
  base. The product is a gas stream containing
  methanol and synthesis gas, which was not
  converted due to catalyst efficiency.
• Heat is evolved during this reaction is
  (exothermic) and is transferred to boiler feed
  water on the shell side of the converters. The
  boiler feed water comes from the Lurgi steam drum
  (V-2361) located above the converters. The water
  flows through downcomers, picks up heat in the
  converters, and the steam flows through risers to
  V-2361. The temperature of the water in the
  reactor shell is controlled by varying the steam
  pressure in steam drum V-2361 with the pressure
  controller (PRC-630). The product from the
  converters is passed through the interchanger
  (HE-2553) on the tube side where it is cooled by
  synthesis gas on the shell side. The converter
  product is further cooled by a final crude
  methanol condenser (HE-2827). Following the
  condenser, the flow goes to the high pressure
  separator (V-2359) where the liquid methanol is
  dropped out and the resulting synthesis gas
  stream is taken overhead. To provide pressure
  control of the converter loop, some synthesis gas
  from the V-2359 overhead stream is removed or
  "purged" from the loop. The volume of purge gas
  removed is controlled using PIC-231 valve based
  on the discharge pressure of C-329. The
  remaining synthesis gas from V-2359 overhead is
  sent to the suction of C-329. The liquid from
  V-2359 goes to the low pressure separator
  (V-2360). The overhead of V-2360 goes to the
  Boilerhouse as low pressure gas for firing their
  boilers. The base of V-2360 crude methanol goes
  to T-280 and T-288 via HE-2557 and HE-2569 for
  sales grade methanol, and to T-279 for MO grade
  methanol.

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Equipment
The Following Equipment Is Included

• H.P. Methanol Separator
• L.P. Methanol Separator
• Convertor Steam Drum
• Convertor Inter Changer
• Crude Condenser
• Recycle Compressor

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Photos
LURGI REACTORS (V-2357 AND V-2358)
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Photos
LURGI REACTORS (V-2357 AND V-2358)
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Photos
LURGI LOOP COOLING WATER PROCESS COOLER (HE-2827)
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Photos
LURGI LOOP HIGH PRESSURE LET DOWN DRUM
(V-2359) AND LOW PRESSURE LET DOWN DRUM (V-2360)
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Photos
LURGI LOOP INTERCHANGER (HE-2553) AND COOLER
PIPING
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Photos
RECYCLE COMPRESSOR (C-329) AND TURBINE OIL
SYSTEM AND SHUTDOWN PANEL
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Photos
RECYCLE COMPRESSOR TURBINE (PT-1221)
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Photos
LURGI LOOP RECYCLE COMPRESSOR (C-329)
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Contact Information
MICHAEL JOACHIM DIRECTOR, PLANTS DEPT. Tele 609-838-5930 (direct) Mobile [phone] MichaelJ_at_ippe.com
SANJEEV REGE VP GLOBAL PLANT SALES Tele 609-838-5938 (direct) Mobile [phone] SanjeevR_at_ippe.com