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Spray applications
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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. Lechler has even
developed a high temperature PTFE tank cleaning nozzle for
use in high temperature applications where PTFE material must
be used but which would otherwise deteriorate due to the heat.
Lechler’s unique design allows for a much longer nozzle life
than would otherwise be expected.
Tablet coating
Lechler’s ViscoMist air atomizing nozzle is an appropriate
tool for the application of coating to pharmaceutical tablets.
Because it has been specially-designed to spray viscous fluids,
it can handle the spraying of fluids such as solvents, polymers,
and polysaccharides that are used in tablet coating. The ViscoMist
can atomize these fluids into as small droplets as possible
to create a fine yet even distribution that is required for
this coating.
Spraying of fluids with lances
Lechler has built lances for many pharmaceutical applications.
This includes:
- Conventional lance – This can contain
most any standard nozzle, such as a 422 series tangential
full cone nozzle to spray a slurry.
- Tank cleaning lance – This contains any
tank cleaning nozzle to be injected into a tank or reactor
to clean it.
- Retractable sanitary lance – This contains
a PTFE tank cleaning nozzle and can have its length adjusted
to most appropriately fit into tanks of various sizes. A
traditional lance system has a fixed length so it can never
be changed or adjusted. The nozzle of the lance can also
retract into the tube to remove it more from the process
when it is not in use. The nozzle is also 100% drainable,
for sanitary applications.
Cooling of adhesive/blister packs
Because the faster adhesive or blister packs can cool down
during processing, the faster the end product can be packaged,
the cooling process for these packs is important. Lechler’s
WhisperBlast air nozzle can quickly cool these packs down
with its controlled directly spray of air. It makes an efficient
use of SCFM in doing this cooling, and because it greatly
quiets compressed air, it does not add a lot of noise to the
process.
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