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Engineered Exhaust
Stacks
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Turner EnviroLogic designs,
fabricates and erects exhaust stacks of all types. Each exhaust
stack is designed in accordance with ASME STS-1 standards. Each
application is carefully analyzed taking into consideration wind
responses, temperatures and the corrosive effects of the gases
exhausted. Sampling ports, platforms and ladders are standard
features.
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Free-standing exhaust stacks
are designed in accordance with ASTM-STS-1 standards. Regional
wind velocities and exposure categories prescribed by the BOCA
code are used in the determination of the forces that the stack
will be subject to.
Computer Aided Design and
Finite Element Analysis are used in the design of our stacks. As a
result of this close attention to the forces acting on the entire
stack, we can carefully vary the thickness of the wall material up
the stack. You benefit from competitive pricing with the assurance
of a safe design. If required, helical strakes will be added to
minimize the excitation of natural frequency vibrations and
subsequent ovaling caused as the wind flows around the stack.
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If the application allows, guy
wires can be used to assist in the support of the exhaust stack.
Use of guy wires allows the exhaust stack itself to be constructed
of thinner materials. This saves additional money, especially if
the stack is to be made of expensive alloys such as stainless
steel or corten. |
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A wide variety of materials is
available to protect the stack from the corrosive effects of the
exhaust gases. Here, a structurally supported fiber glass stack is
being installed. Turner EnviroLogic designed the stack along with
its support structure and supervised the installation for total
turnkey service. |
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Emission sampling ports, platforms
and ladders are standard options. Platforms can be full 360
degrees or partial, depending on the application requirements.
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Turner EnviroLogic can supply a
base ring bolt assembly that minimizes installation time. The bolt
ring assembly is pre-fitted at the factory to match the bolt hole
pattern in the base ring of the stack. This assembly is then set
in concrete at the installation site. No additional time is
required to align the anchor bolts with the stack. This time
saving assembly minimizes the erection crane time.
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