Saving 9,315 Litres (2,460 Gallons) of fuel by reducing steam consumption for a Bottle Washer in Thailand

During our survey of a leading beverage plant in Nakhon Ratchasima, Thailand, we observed that the process temperature for Bottle Washer 1 was exceeding the set values by 3 – 5°C (37.4 – 41°F). This resulted in excess steam consumption. Our recommendations per zone were implemented, reducing the energy consumption of Bottle Washer 1.

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image showing exterior of a bottle washer inside a beverage plant in thailand with incorrect temperature valve

an image showing exterior of a bottle washer machine in thailand with forbes marshall steam control valves inside a beverage plant and 3 dtron model controllers displaying temperature of the steam inside each of the 3 control valves

PROBLEM

Bottle Washer 1 was experiencing a temperature overshoot of 3 – 5°C (37.4 – 41°F) against zone wise set points. This resulted in excess steam consumption. Additionally, the process temperature was not being monitored.

SOLUTION

Forbes Marshall conducted a detailed survey of the plant and recommendations were implemented. For Bottle Washer 1 we found the temperature control valve was unable to regulate the temperature precisely (to the set value). We recommended and installed a PID temperature control valve (eVALV) at each zone of Bottle Washer 1. This ensured precise temperature control and reduced Bottle Washer 1 steam consumption.