Creative Line Contracting

01. Cryogenic Insulation

In order to guarantee the LNG cold temperature of -160°C, high-quality insulation applied in accordance with strict specifications is essential. Insulation systems consisting of Polyisocyanurate (PIR) rigid foam or cellular glass insulation, applied in multiple layers, in combination with high performance vapour barriers are used in order to produce the necessary degree of insulation. Mechanical and weather protection to the installed insulation is achieved by the application of specified cladding materials, which include stainless steel; Aluminised steel or UV cured GRP. The Polyisocyanurate (PIR) rigid foam used for pipe, equipment and storage tank insulation is produced specifically for use in LNG insulation systems, and has to have the required mechanical properties in order to accommodate the thermal stresses involved, in addition to possessing the necessary thermal properties.

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02. Thermal Insulation

Thermal insulation is the reduction of heat transfer (i.e. the transfer of thermal energy between objects of differing temperature) between objects in thermal contact or in range of radiative influence. Thermal insulation can be achieved with specially engineered methods or processes, as well as with suitable object shapes and materials. Heat flow is an inevitable consequence of contact between objects of different temperature. Thermal insulation provides a region of insulation in which thermal conduction is reduced or thermal radiation is reflected rather than absorbed by the lower-temperature body.

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03. Acoustic Insulation

Soundproofing is any means of reducing the sound pressure with respect to a specified sound source and receptor. There are several basic approaches to reducing sound: increasing the distance between source and receiver, using noise barriers to reflect or absorb the energy of the sound waves, using damping structures such as sound baffles, or using active antinoise sound generators. Two distinct soundproofing problems may need to be considered when designing acoustic treatments - to improve the sound within a room (see reverberation), and reduce sound leakage to/from adjacent rooms or outdoors (see sound transmission class and sound reduction index). Acoustic quieting and noise control can be used to limit unwanted noise. Soundproofing can suppress unwanted indirect sound waves such as reflections that cause echoes and resonances that cause reverberation. Soundproofing can reduce the transmission of unwanted direct sound waves from the source to an involuntary listener through the use of distance and intervening objects in the sound path.

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TECHNICAL INSULATION