BREECH LOCK Presentation Dec2004 Tcm24 226146

BREECH-LOCK BREECH-LOCK CLOSURECLOSURE

HIGH PRESSURE HEAT HIGH PRESSURE HEAT EXCHANGERSEXCHANGERS







Invented and developed in 1960 by Standard Oil Co. of California . Invented and developed in 1960 by Standard Oil Co. of California . The first breech-lock was put into operation in 1966.The first breech-lock was put into operation in 1966.

Rights of technology remain with Chevron Research Company of Rights of technology remain with Chevron Research Company of California.California.

In 1982, ABB LUMMUS HEAT TRANSFER became a licensee for the In 1982, ABB LUMMUS HEAT TRANSFER became a licensee for the worldwide marketing of high pressure Breech-Lock heat worldwide marketing of high pressure Breech-Lock heat exchangers. exchangers.

Since 1982 IMB was ABB LHT licensee and contributed to the Since 1982 IMB was ABB LHT licensee and contributed to the further developement of the Breech-Lock internals design.further developement of the Breech-Lock internals design.

Over 600 Breech-Lock high pressure heat exchangers are in Over 600 Breech-Lock high pressure heat exchangers are in operation worldwide. Approximately 300 have been manufactured operation worldwide. Approximately 300 have been manufactured by IMB.by IMB.

Finds applications in refinery units operating at high pressure and Finds applications in refinery units operating at high pressure and temperature with hydrogen rich streams such as Hydrocrackers.temperature with hydrogen rich streams such as Hydrocrackers.





APPLICATIONSAPPLICATIONS

High Temperature/High Pressure High Temperature/High Pressure Units:Units: Hydrocrackers / HydrotreatersHydrocrackers / Hydrotreaters Gas CompressionGas Compression Ammonia SynthesisAmmonia Synthesis MiscellaneousMiscellaneous





by curtesy of SHELL PERNISby curtesy of SHELL PERNIS



MAIN FEATURESMAIN FEATURES Reliable High Pressure Performance Reliable High Pressure Performance

SealingSealing Easy Dismantling/Reassembly for Easy Dismantling/Reassembly for

InspectionInspection Avoidance of High Stressed Zones in Avoidance of High Stressed Zones in

Pressure PartsPressure Parts In Service Seating of Internal GasketsIn Service Seating of Internal Gaskets





Closure Features and AdvantagesClosure Features and Advantages Hydrostatic Load Of Channel Cover Is Absorbed by the

Channel Forging No Threaded Holes in Forging or in the Cladding

Tightening of Gasket by Relatively Small Bolts Spiral Wound Gaskets are Used in the Girth Joints Channel Cover is Relatively Thin and Light Re-Tightening of Tubesheet Gasket During Operation

Possible. Easy and Quick Maintenance All Channel Parts can be Removed Without Cutting. No Need of Welding During Re-Installation of Channel

Parts.











HYDROTEST CONDITIONHYDROTEST CONDITION





PRIMARY LOADING CONDITIONPRIMARY LOADING CONDITION



SECONDARY LOADING CONDITIONSECONDARY LOADING CONDITION







LOADING CONDITIONLOADING CONDITION



Assembling & Dismantling JigAssembling & Dismantling Jig

Unique, proprietary designUnique, proprietary design Self sustained on the equipmentSelf sustained on the equipment Self alligning Self alligning Reduced maintenance time Reduced maintenance time One single jig is suitable for different One single jig is suitable for different

size itemsize item Easy to storeEasy to store



Documents

BREECH LOCK Presentation Dec2004 Tcm24 226146