Industria de pinturas y barnices

Industria de pinturas y barnices

En la industria de pinturas y barnices se utilizan para la fabricación, sobre todo, medios de alta viscosidad y con contenido de sólidos.

Las bombas NEMO® y las bombas de émbolo rotatorio TORNADO®son capaces de transportar estos productos suavemente y con escasa pulsación. Para asegurar una aplicación fiable, se necesitan rotores y estatores templados que son adecuados para medios abrasivos. Las BOMBAS NEMO®son la mejor solución para esto. Los expertos de la firma NETZSCH adaptan individualmente los retenes frontales o labiales según el tipo de aplicación.
Los productos típicos que deben bombearse en la industria de pinturas y barnices incluyen, entre otros, dispersiones, aglutinantes, imprimaciones y morteros premezclados.

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Conveying Materials for Surface Coating With NEMO® BY Progressing Cavity Pump in Industrial Design

Look behind the scenes

One of the major problems facing conventional pumps is the lack of fluidity of the inks. It is not uncommon to see viscosities of 10,000 mPas or more, which means that achieving a continuous supply is very challenging and inferior pumping solutions can suffer under the stress and become blocked quickly.

Challenge accepted

A renowned printing house was struggling with repeated breakdowns of the diaphragm pumps used to refill offset ink at roughly 10,000 mPas from the transport truck to the storage tank. Because of this inadequacy, the unloading process was being greatly delayed and the pumps needed maintenance work, often requiring them to be removed completely and dismantled, a labour intensive and time consuming task.

10000

cP viscosity can be pumped

Excellently solved

To increase performance, economy and reliability, the company decided to use our NEMO® progressing cavity pumps, a single-stage pump model with L-geometry rotor and stator allowing for a higher delivery rate at a lower differential pressure. The slim-line units with frequency inverter and smaller rotor:

  • Prevented excessive clamping thereby improving mechanical efficiency.
  • Allowed space for multiple pump installations.
  • Enabled easy access to the devices in case maintenance work should become necessary.
  • Ran more reliably and efficiently than the previously employed diaphragm pumps, which resulted in the unloading time for the ink being halved.

Positive displacement pumps from NETZSCH are used in various areas of the ink and paper industry for everything from transporting pigment sludge or additives, to processing fluids and binding agents.
Each scenario requires a different configuration for our pumps depending on their intended use, but the broad experience of our company’s pump experts in this diverse market always results in a suitable combination to resolve any problem.

NEMO® BY progressing cavity pump

Medium: Offset ink
Viscosity: 10.000 cP

NEMO® BY Progressing Cavity Pump in Industrial Design by NETZSCH Pumps & Systems