Hydra-Cell H-25 group.
Hydra-Cell H-25 group.

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Humidifiers are required in many industrial applications where dry air is detrimental to a process. In the textiles manufacturing, static build-up, low regain, yarn breakage, dust, fly or lint are all recognised as signs that the air moisture content is too low.

Huddersfield based Spectrum Yarns have been spinning wool for almost 40 years and throughout this time period static build-up has been a persistent problem for their process.

The application

Demineralised water is sprayed into the spinning wool to provide atmospheric moisture. The resultant increase in humidity (up to 80%) helps in the prevention of static build-up in the wool spinning process. Spectrum Yarns had used piston pumps for this application in the past, but without long-term success. This was due to the non-lubricating demineralised water attacking the piston pumping element, resulting in increasing wear and drastically reduced working life.

The solution

The piston pumps were replaced with two Hydra-Cell close-coupled triplex diaphragm pumps with AC inverter rated motors which were installed to pump the demineralised water.

The features and benefits of the Hydra-Cell pumps which helped in this particular application include; a corrosion resistant stainless steel pump head so there is no contamination of the demineralised water through leaching, the triplex diaphragm design which ensures a virtually pulse-less flow for smooth, consistent spraying and hermetically sealed diaphragms for zero leakage of the demineralised water, so no spillages or wastage.

In addition, the diaphragms are hydraulically balanced which significantly reduces the levels of diaphragm stress and therefore reduces down-time, while the inverter controlled AC motor enabled easy adjustment of speed so the flow rate could be adjusted automatically. There was also the benefit from the pump’s compact, close-coupled design which meant more plant workspace for Spectrum Yarns.

Track record

Hydra-Cell pumps have a proven track-record of reliable operation in applications such as; metering, dosing, injecting and spraying chemicals, solvents, acids, hydrocarbons, liquefied gases, alkalis, polymers, resins, slurries, recycled or dirty liquids.

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