HyTec® - Process Water Analysis from Groz-Beckert for Water Jet Hydroentanglement Systems

The quality of process water used is decisive to the manufacture of spunlace products. The properties of the water influence the service life of various machine components and of the jet strips. The process water is also instrumental in determining the quality of the end product, not only when manufacturing hygiene products. Ensuring hygienically sound water quality is therefore essential.

Water is a highly versatile medium and can occur in varying levels of acidity or alkalinity as well as in partially or fully deionized form. It can also contain micro organisms, metal particles and other inorganic substances in varying concentrations.

Alongside pH value, water hardness and chloride content, there are also a large number of other characteristics that determine water quality. Groz-Beckert can help to obtain precise information about the process water you are using.

By performing a comprehensive laboratory analysis at Groz-Beckert, process water is examined in respect of important hydrochemical parameters.

HyTec® - Cleaning instructions from Groz-Beckert for Jet Strips

The manufacture of spunlace products involves forcing water at high pressure through openings in the jet strip measuring only hundredths of a millimeter across. The process entails large quantities of process water flowing through the individual jets.

Contamination of the process water leaves deposits which clog up the jet area. Potential pollutants can include fibre residues, rust, metal particles, limescale particles and chemicals added to the process water. With time, the resulting deposits left adhering inside the jets gradually diminish the diameter, so impeding the flow of water.

Contaminants in the entrance area of the jet opening exert a detrimental effect on the formation of the water jet and consequently on the shape of the water curtain. This impacts negatively on the physical characteristics of the spun lace product. Consequently, jet strips require professional cleaning at regular intervals to remove deposits, while taking care to protect the sensitive structure of the jet strip. Aspects such as working safety and environmental protection also play an important role. Groz-Beckert recommends the use of a clearly defined cleaning process.