An Fabric Expansion Joints made from textile fibres is a flexible
element.It belongs to the category of the non-metallic expansion
joints.Because of the specific composition of the individual
layers, fabric expansion joints are not suitable for installation
on lines that carry liquids. They are only suitable when fluids are
in a gaseous state.They can withstand extremely high temperatures,
even over 1000°C. Contrary to metal and rubber expansion joints,
fabric expansion joints are extremely flexible and their rigidity
value is unimportant.A fabric expansion joint is made of one or
more layers of different nature, each of which performs a specific
task. Some materials are designed to withstand temperature, others
are designed to resist corrosion caused by the process fluid, and
others retain pressure.Overlaying and combining of different layers
obtains a stratification that has properties suitable for specific
project conditions. It is therefore an extremely versatile
component.When properly inserted in a pipe system, the fabric
expansion joint distorts and adapts to variations in pipe
dimensions caused by thermal expansion. It can also be used as a
connecting element between equipment and a pipe to which it is
connected, in order to avoid "rigid interfaces" that are
potentially dangerous for the equipment.Consisted by flexible
fabric, flanges or weld ends together with tie rods and nuts which
can providing big axial, lateral and angular deflection within
limited small space. And there is no reaction thrust, at the same
time, it is also high temperature resisted, corrosion resisted and
good sealing property, and it is easy to repair or replace.Mainly
used for transport duct, gas, exhaust gas (smoke), oven gas and
other gases ducts system to compensate the movement deflection
caused by temperature variation, machinery vibration and Foundation
sinking.Compensate heat expansion: Fabric expansion joint can
provide big compensation within small space.Compensate installation
errors: Fabric expansion joint can eliminate nicely installation
errors which happened frequently in pipelines installation.Sound
isolation: Fiber fabric and insulating wools are all have good
abilities to absorb the noise and protect vibration, they can
effectively deduce the noise and vibration of boiler and fans.No
reaction thrust: There is no force delivery because of the fabric
so it can simplified designing.Good sealing property: they can
provide good sealing property under any medium and easy for
installation and repairment.Application condition1)Thermal power
plant Our Fabric joints are widely used in positions below: FGD,
DeNOx system; Circulating fluidized bed (CFB) boiler system; Bottom
discharging system; Economizer exit; Inlet and outlet of air
pre-heater; Inlet and outlet of ESP; Chimney pipe system; Inlet and
outlet of fan; Inlet and outlet of coal mill; Seal between cross
wall pipe and wall.2)Gas turbine The company developed heat recover
steam generator(HRSG) GTX expansion joint series for gas turbine
system under high temperature and high flow speed condition on gas
discharge pipe and inlet of waste heat boiler: According to
different heat insulating mode, each type has different structure
to adopt four working conditions: cold wall to cold wall, hot wall
to hat, cold wall to hot wall, and hot wall to cold wall, in order
to eliminate the stress concentration and ensure the reliability of
product performance. GTXA:for small pressure pulse and steady flow
condition, such as downstream of gas exhaust system of gas turbine;
GTXB:for normal pressure pulse and flow condition, such as exports
of bypass or diffuser; this is the most widely used type; GTXC: for
high pressure pulse and turbulence condition such as gas exhaust
system of heavy gas turbine. 3)Wind Power The company
developed wind power specific expansion joints are equipped between
flow pipe of water cooling division and cabin cover, air heat
exchanger and cabin cover, and between cabin cover and plate type
heat exchanger. The function is to ensure the sealing connection
when vibrant displacement occurs; in addition, it will compensate
certain assembly deviation. Now this product is used in large
amount in 3MW offshore and in-land unit of Sinovel Technology
(Group) Co., Ltd. The quality and performance of the product reach
international leading level and successfully replace imported
products. 4)Metallurgy Our Fabric joints for metallurgy
are mainly used in positions below: general pipe and bellow branch
pipe of sintering system; FGD; dry type dust remove system; inlet
and outlet of fan; inlet of chimney; convey system; waste heat
reuse system; pretreatment system for iron water; converter cooling
flue system; stove; step heating system; general and branch flue
pipe, dust remove system; heating system, hot wind pipe, flue pipe,
waste gas pipe, inlet and outlet of fan for cooper, aluminum, zinc,
and tin smelting. 5)Cement Our Fabric joints for cement industry
are used i
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