2012年2月22日 星期三

Increased Demands on Water Quality for Reliable Temperature Control

Molded-part quality and cycle time can be affected by water quality. Impurities in the circulation system impair heat transfer and so diminish heating/cooling efficiency . Corrosion can eat away entire molds and temperature control systems. To ensure good heat transfer properties and protect expensive equipment,Shop for trim and crown moulding, the water used in temperature control circuits should be conditioned and periodically checked. These functions are carried out by the HB-Therm Treat mobile water treatment unit.

Increased demands on water quality are made in situations involving, for example, water temperatures over 160C, rotary feedthroughs with critical sealing elements or small heating/cooling channel cross sections. The mobile water treatment units produced by HB-Therm AG, St. Gallen, Switzerland, are used only when these requirements are for individual applications and there is no centralized water treatment system.

HB-Therm Treat provides a convenient solution for supplying system water to temperature control units. These must have a separate inlet and outlet for system water and an activated cyclical exchange of system water. The number of temperature control units that can be connected to a water treatment unit is dependent on the total volume of the water circulation system. The water treatment unit works automatically after initial addition of the conditioning agent.Offers Art Reproductions Fine Art oilpaintings Reproduction, Sampling and sludge removal can be carried out without interrupting operation via the ball valves on the front.

The fill level is measured ultrasonically and the filterless sludge separator operates effectively from 5 um. The water treatment unit has an automated mixing function for the manually added conditioning agent. A leak monitoring system and periodic signal to check the protective effectiveness of the conditioning agent ensure reliable operation.Find a moldmaker or Mold Service Provider.Learn all about solarpanel, Visual and acoustic alarms warn of any faults. A front USB connection and an integrated logbook for test results, agent consumption, thinning,Iowa Mold tooling designs and manufacturers mechanics trucks, and alarms additionally facilitate use. The unit’s sealless pump has a motor power of 0.5 kW, a capacity of 30 l/min and a head of up to 52 m.

The water treatment unit operates effectively with minimal additive consumption but only if the necessary technical modifications are also made to the temperature control unit. On temperature control units with indirect cooling, HB-Therm can carry out a standard conversion to provide a separation connection for system water. These temperature control units operate as standard with a cooler bypass and proportional valve, which stops limescale formation in the cooler. The Swiss manufacturer’s temperature control units are closed systems with no oxygen contact, so preventing chemical changes in the circulation system.

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