Spray applications
Tank cleaning
For the efficient cleaning of containers and tanks, Lechler
offers a large choice of self-rotating tank cleaning nozzles.
Most are free-spinning, driven and lubricated by the cleaning
fluid, but Lechler does offer gear-driven units with more
controlled rotation. The free spinning models optimally work
within a low pressure range from 15 to 60 psi while the gear-driven
models with their slower rotation can operate above 100 psi.
The cleaning effect of these products is achieved by the particular
spray coverage, the amount of flow, and the movement and impact
of the flow. Selecting the most appropriate model saves energy,
cleaning fluid, and expensive cleaning time. For tanks of
every size from 3 feet to 60 feet in diameter, there’s a specific
Lechler tank cleaning product to do the job.
Spraying in chemical reactors
Lechler’s 422 series of tangential full cone nozzles have
been widely used for spraying in chemical reactors. These
nozzles create a full cone pattern but without an internal
vane. This allows for a greater free passage of fluid through
the nozzle. While the standard material for this product is
316 grade stainless steel, it can be custom-made in whatever
material is most appropriate for your spray application.
Mist eliminators
Mist eliminators, which remove small droplets of liquid from
gas streams such as during chemical processing, need to be
regularly cleaned to be kept in good working order. As this
process is continuous, it is important that the nozzles used
for the cleaning remain clog-free in order to completely cover
the target area. For these purposes, Lechler’s 422 series
of clog-resistant tangential full cone spray nozzles work
very well at both goals: cleaning the mist eliminators and
remaining clog-free so the process can continue. The 422 series
are uniquely-designed nozzles which can create a full cone
pattern without the need for an internal vane. Without such
a vane to potentially collect small particles, the 422 series
can pass larger particles through it, therefore increasing
its resistance to clogging. This allows the spraying within
the mist eliminator to continue unabated.
Quench cooling
For spraying larger quantities of fluid for quench cooling,
Lechler’s Center Jet (459 series) and Free Spray (455 series)
nozzles can fill the bill. These are both full cone sprays
with wide ranges of spray coverage and flow rates. While the
lower flow rates generally produce smaller droplet sizes which
are more conducive to cooling, the larger flow rates can produce
large volumes of output if that is the most effective method
of cooling in your application.
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