Cryogenic insulation materials

Why is high-performance cryogenic insulation important?

LNG (Liquefied Natural Gas) is natural gas which when liquefied only has 1/600 of its volume in a gaseous state. The natural gas is cooled down to -164 °C to liquefy it. Thanks to the reduction in volume, the liquefied natural gas is ideal for efficient transport and storage. However, the low temperature of LNG places particularly high demands on the plant components and the equipment that is used for storage and transport of LNG &#; such as pipework systems transporting LNG, and tanks in which LNG is stored. The pipes and tanks have to be permanently thermally insulated from the adjacent plant components. This requires cryogenic insulation.

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Prevention of heat exchange

The cryogenic insulation has to reliably prevent heat exchange between the pipes and tanks and plant structure. This is extremely important for the efficient operation of the plants along the LNG value chain. This is for three main reasons:

• Thermal exchange and resulting temperature increase of the tanks and pipes would increase the energy required for cooling the liquefied gas.
• At the same time, cooling of the adjacent structure, such as treads, would cause formation of ice and compromise work safety.
• In addition, cryogenic insulation prevents extreme temperature fluctuations, thus avoiding the undesired expansion of plant components and the resulting strain this would place on connection members.

Requirements on cryogenic insulation

The efficiency of cryogenic insulation particularly depends on its thermal conductivity, in conjunction with the mechanical properties, such as pressure and shear strength. The thermal conductivity is specified by the unit of measure W/(m&#;K). The lower this value for a material is, the lower its thermal conductivity and the better it is at avoiding thermal bridges.
However, the efficiency of cryogenic insulation materials is not solely determined by low thermal conductivity. Depending on the application in the LNG value chain, the materials have to meet a number of additional requirements. This includes, for example:

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• Low flammability for areas which have to meet high requirements with respect to fire behaviour (including no halogens)
• Mechanical properties: for example for supporting structures for pipework systems
• High resistance to UV radiation and corrosion: for example in offshore applications
• Continuous operation temperature
• Dimensional stability

Individual cryogenic insulation

The specific requirements and ambient conditions need to be factored into the choice of cryogenic insulation materials for your application. Each application requires individually coordinated cryogenic insulation materials.

We are happy to advise you on the selection of suitable cryogenic insulation materials for your particular application. Just ask us. Individually machined Lignostone® cryogenic and Durolight® components are available according to your specifications.

What of type of insulation for LNG are you looking for

The following is for -270F/195C. LNG TANKS

RE: perlite insulation lng



LNG: New Insulation Techniques & Materials
Wednesday, October 11,
12:00 - 12:40 PM LUNCH & REGISTRATION
Sponsor:

12:40 - 1:00
Welcome, Topic Introduction, Objectives, Agenda
Bob Nimocks, president, Zeus Development Corp.
1:00 - 1:40 LNG Pipe Insulation - Criteria and Selection
Jim Young, application technology leader, Dow Chemical Company
Engineers designing and specifying systems and selecting materials for LNG-pipe insulation face a myriad of alternatives. Dow has considerable experience with LNG insulation. Young has been asked to review the insulation needs for LNG facilities, the types of decisions to be made, and Dow's approach.
1:40 - 2:20 Using Perlite Insulation for LNG Storage and Processes
Tom Potzer, consultant, Perlite Specialist
Perlite has been used for many years in LNG facilities and has played a significant role in insulating large cryogenic tanks. Perlite concrete blocks have also been used for the base insulation of double wall cryogenic tanks and perlite loose fill has been used to insulate the annular spaces in these tanks as well as cold boxes and ships. Potzer has been asked to discuss new innovations with perlite and how it is being used most effectively today.

2:20 - 3:00 New LNG Insulation Technology: Introduction to Aerogel Insulation Blankets
John Williams, market research manager, Aspen Aerogels
Aerogels are highly porous solids formed from a gel in which the liquid is replaced with a gas. It has been called the world&#;s lightest solid, consisting of more than 95% air. Williams has been asked to describe Aerogel's potential for LNG.
3:00 - 3:30 BREAK
Sponsor:


3:30 - 4:10 Experience From the Field, An Insulation Contractor's Perspective
Richard Smith, general sales manager, LandCoast Insulation Contractors
LandCoast installs LNG insulation and scopes (fireproofing, coatings, refractory, abatement, etc.). It was the contractor for the Elba Island insulation. Smith has been asked to describe the issues around insulating an LNG terminal, the attributes of insulative materials that help in the installation and commissioning, as well as the life-cycle cost of the product.

4:10 - 4:50
Case Study: Elba Island LNG Insulation
Robert A. March, Jr. VP operations, IMC
Dyplast Products and Insulation Materials Corporation (fabricator) manufactured and installed the insulation for the Elba Island terminal. The speakers have been asked to review the project and discuss the lessons learned.

4:50 - 5:00 Workshop wrapup

5:00 - 6:00 PM Reception



Regards
Leonard Stephen Thill

Technical Note:What of type of insulation for LNG are you looking forThe following is for -270F/195C. LNG TANKSRE: perlite insulation lngLNG: New Insulation Techniques & MaterialsWednesday, October 11, :00 - 12:40 PM LUNCH & REGISTRATIONSponsor:12:40 - 1:00Welcome, Topic Introduction, Objectives, AgendaBob Nimocks, president, Zeus Development Corp.1:00 - 1:40 LNG Pipe Insulation - Criteria and SelectionJim Young, application technology leader, Dow Chemical CompanyEngineers designing and specifying systems and selecting materials for LNG-pipe insulation face a myriad of alternatives. Dow has considerable experience with LNG insulation. Young has been asked to review the insulation needs for LNG facilities, the types of decisions to be made, and Dow's approach.1:40 - 2:20 Using Perlite Insulation for LNG Storage and ProcessesTom Potzer, consultant, Perlite SpecialistPerlite has been used for many years in LNG facilities and has played a significant role in insulating large cryogenic tanks. Perlite concrete blocks have also been used for the base insulation of double wall cryogenic tanks and perlite loose fill has been used to insulate the annular spaces in these tanks as well as cold boxes and ships. Potzer has been asked to discuss new innovations with perlite and how it is being used most effectively today.2:20 - 3:00 New LNG Insulation Technology: Introduction to Aerogel Insulation BlanketsJohn Williams, market research manager, Aspen AerogelsAerogels are highly porous solids formed from a gel in which the liquid is replaced with a gas. It has been called the world&#;s lightest solid, consisting of more than 95% air. Williams has been asked to describe Aerogel's potential for LNG.3:00 - 3:30 BREAKSponsor:3:30 - 4:10 Experience From the Field, An Insulation Contractor's PerspectiveRichard Smith, general sales manager, LandCoast Insulation ContractorsLandCoast installs LNG insulation and scopes (fireproofing, coatings, refractory, abatement, etc.). It was the contractor for the Elba Island insulation. Smith has been asked to describe the issues around insulating an LNG terminal, the attributes of insulative materials that help in the installation and commissioning, as well as the life-cycle cost of the product.4:10 - 4:50Case Study: Elba Island LNG InsulationRobert A. March, Jr. VP operations, IMCDyplast Products and Insulation Materials Corporation (fabricator) manufactured and installed the insulation for the Elba Island terminal. The speakers have been asked to review the project and discuss the lessons learned.4:50 - 5:00 Workshop wrapup5:00 - 6:00 PM ReceptionRegardsLeonard Stephen Thill

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