LNG Reference Projects
Transcription
LNG Reference Projects
LNG Reference Projects February 2013 LNG Reference Projects Existing Installations • Everett LNG (USA) • Freeport LNG (USA) • Bay State Gas (USA) • Sabine Pass LNG (USA) • National Grid / Haverhill (USA) • Golden Pass LNG (USA) • Canaport LNG (Canada) • Manzanillo LNG (Mexico) • Altamira LNG (Mexico) • Mejillones LNG (Chile) • Peru LNG • Gate LNG (The Netherlands) • Adriatic LNG (Italy) • Egyptian LNG • Qatar LNG • RasGas (Qatar) • Yemen LNG • Hazira LNG (India) Specified But Not Yet Installed • Kittimat LNG (Canada) • Dunquerke LNG (France) • Yamal LNG (Russia) • Zeebrugge LNG (Belgium) • Bahia Blanca LNG (Argentina) • Gorgon LNG (Australia) • Pluto LNG (Australia) • Gladstone LNG (Australia) • Dighi LNG (India) • Petronet LNG (India) • Skikda LNG (Algeria) -2- LNG Import Terminal In St. John, New Brunswick • Scope: >5000 m of cryogenic and utility piping • Date: August 2008 • Process Temps.: -260°F (-162°C) to ambient • Design Goal: Condensation control; flash-freeze protection of fire-water lines in LNG spills • Insulation: 2 layers (20 mm) Cryogel-Z over PIR • Results: – Material was specified because of the reduced labor force, faster installation schedule, and fire protection – Contractor stated that wished he could have done 100% Cryogel, as it “would have gone on five times faster” -3- Cryogel-Over-PIR Improved Spacing, Schedule & Fire Resistance -4- Elbow Design -5- Installation in St. John, NB -6- Cutting Area Within the Unit -7- This Is What 200 Cryogel Z Elbows Looks Like In Storage -8- Valves and Flanges on Offshore LNG Import Terminal • Scope: – 1500+ valves & flanges >2” • Location: – Southeast of Venice, Italy • Process Temp.: – -260°F (-162°C) • Other Factors: – Clashes and supply / logistical issues with baseline material • Insulation: – 7-11 layers Cryogel Z • Results: – All material air-freighted to job site within 4-weeks ARO – 700 insulators trained on Cryogel – All clashes resolved ahead of schedule -9- Shrink an LNG Import Terminal to 300’ x 600’… -10- …and Mechanical Clashes Spring Up… -11- …Everywhere -12- A Spec Was Created For Tying Cryogel Into Adjacent Insulation Cellular glass Void fill Cryogel -13- Particular Attention Was Paid to the Tie-Ins -14- Void Spaces Were Stuffed With Fiber -15- Cryogel Layers Were Then Applied And Held With Tape Cryogel Z Void Fill -16- Each Layer Was Marked for Inspection -17- SS Bands Used to Secure the Cryogel Over the Foamglas -18- Cryogel Joints Were Sealed with Foil-Faced Butyl Tape -19- Valves Were Finished With a Butyl Membrane & UV-Cure GRP -20- Insulating Double-Gimbaled Cryogenic Flex Joints Insulating Cryogenic Flex Joints • Scope: – 36” LNG flex joints • Location: – Mexico • Temperature: – -260°F (-162°C) • Design Goals: – Condensation control on a doubly-gimbaled flex joint for large bore pipe • Insulation: – 4-5” (11-13 layers) Cryogel Z to match 8-9” of PIR • Results: – Insulated in Houston and trucked to Mexico – Worked with EPC, joint manufacturer and contractor on the overall design -22- As-Delivered Flex Joints Prior to Insulation -23- Void-Filling with Fibrous Blanket Material -24- Installing Cryogel Layers -25- Insulation Complete w/ External Expansion-Contraction Joint -26- Finished Article Ready for Transport -27- Lifting Gimbal Joint -28- Positioning Beneath Riser Pipe -29- Both Gimbal Joints Installed on Liquid and Vapor Return Lines -30- LNG Tank Risers Insulating LNG Tank Risers • Scope: 150’ of 24” and 12” pipe • Process Temp.: -260°F (-162°C) • Insulation: – 2.8” (70 mm) Cryogel Z • Other Factors: – Frequent thermal cycling – Only 3” of clearance between pipe surface and tank stiffening rings – All work done between LNG deliveries – Insulated pipes pass through hoop guides designed to limit sideways deflection due to wind loads. Insulation had to withstand compressive-, shear-, and impact-loading • Results: – Lines are in-service; Tank 2 this year -32- Steel Clamp Rings Used to Protect Insulation & Support Jacket 1¼” SS bands Pipe wall Ring 5 Ring 4 Ring 3 Heavy-gage stainless steel clamp rings at each tank ring pulled double duty: Pipe guide Ring 2 Fabricated SS clamp ring LNG 1.They acted as a bumper between the insulation and the pipe guide, and 2.Periodically supporting the 150’ of SS jacket Ring 1 Anchor 1” insulation support ring -33- Material Was Pre-Cut on the Ground to the Right Circumference -34- During Installation, Cryogel Was Held In Place with Tape -35- Foster 90-66 Vapor Stops Being Painted -36- Minimal Clearance Between Insulation, Tank Stiffener Rings -37- Stainless Steel Clamp Ring Held on with Bands -38- Pipe Guides Constructed to Allow Minimal Rattle Space -39- Liquid Ethylene Sphere in Brazil • Scope: – 60’ ethylene sphere • Location: – Southern Brazil • Temperature: – -30°F (-34°C) • Design Goals: – Condensation control – 90-min fire protection • Insulation: – 50 mm Cryogel Z + 10 mm Pyrogel XT + galvanized steel jacket • Results: – Reduced thickness by 67% – 20% faster installation than with spray foam – Sproule Mfg. designed cut patterns, resulting in a 98.5% material yield -40- All Joints Taped to Provide Continuous Vapor Barrier -41- Standoffs Support Jacket While Bands Harness Bottom Head -42- Jacketing Near the Sphere’s Apex, Before Painting -43- The Finished Article -44- Super-Insulated Liquid Ethylene Vessel • Scope: 10’ x 60’ ethylene bullet • Location: Southampton, UK • Design Goals: – Maintain liquid during 6-week T/A without refill or refrigeration (BOG <5 kg/day) – Passive fire protection • Insulation Design: – 13.4” (340 mm) of Cryogel, jacketed with SS • Results: – Vessel was pre-insulated in Manchester, then trucked 250 miles to Southampton – Unit successfully installed and operated during T/A – Now in-service as just a very well-insulated ethylene storage vessel -45- 10’ x 60’ Vessel As-Delivered from Fabrication Yard -46- On a 34-Layer System, Keeping an Accurate Count is Important -47- Patterns Created In-Place By Simply Removing Excess Material -48- Bands and Bridles Installed Every Fourth Layer for Support -49- Final Layer Installed, Banded and Sealed with Tape -50- Fiber Blankets Protect the Vapor Barrier from Screw Punctures -51- Finished Article Awaiting 250-Mile Transport by Truck -52- Rigging and Installation On Site -53- Heat Exchanger Modules • Location: Northern Alberta • Scope: Three pre-insulated heat exchanger modules • Date: Mar, 2007 • Process Temp.: 250-400°F • Design Goal: Heat conservation • Insulation: 2” mineral wool ¾” Pyrogel • Other Factors: Modules insulated in Kansas City; transported to Alberta • Results: – Insulation survives the abuse of long-distance road transport – Thinner profile reduced interference near inlets, outlets, and structural supports -54- Heat Exchanger Insulation Survives Transport and Handling -55- SAGD Operation, Ft. McMurray, AB • Scope: 3 km of 24” pipe • Date: Summer 2009 • Process Temp.: 300°C (570°F) • Design Goal: Heat conservation • Other Factors: All piping was pre-insulated in Edmonton and trucked 6 hours to remote work site • Results: – Eliminated need for an on-site man camp – Reduced effective labor rate from $200/hr to $45/hr -56- Pyrogel Enables Pre-Insulation, Transport of Pipe & Equipment -57- Pyrogel Enables Pre-Insulation, Transport of Pipe & Equipment -58- Pyrogel Enables Pre-Insulation, Transport of Pipe & Equipment -59- Pyrogel Enables Pre-Insulation, Transport of Pipe & Equipment -60- Summary and Conclusions • Efficiency – Most efficient insulation materials in the world – Saves energy – Reduces touch temperatures • Productivity – Flexible blanket form for increased productivity – Streamlined planning, supply chain, and logistics – Better space efficiency – Enables pre-insulation of piping and equipment • Durability – Resistance to damage by water, heat, and mechanical abuse – Will not promote corrosion under insulation – Exceptional fire protection -61- Thank You