In beverage bottling plants, occasionally PET bottles burst in the bottling room. This causes the entire system to come to a standstill and the filling room has to be cleaned. This is usually done by first applying a cleaning and sanitising foam, which is then rinsed off with plenty of water. Although the process is efficient, it requires considerable resources - chemicals, water, waste water - and a lot of time.
The ph-cleantec devices can bring considerable advantages here: The devices can be used to perfectly clean soiled surfaces in the shortest possible time and with minimal resources. This is because the devices work with 95°C hot water and low pressure, and therefore do without chemicals and high consumption - the cleaning effect comes primarily from the 95°C.
In the specific case of a large bottling plant in Zagreb, the bottling carousels are cleaned with a 1000 ESR low-pressure hot cleaning device made of stainless steel when a PET bottle bursts. As a result, the required working time has been reduced to a fraction of the time previously required. This not only saves working time, but above all relieves the logistics chain, as delivery deadlines can still be met in many cases, which would definitely not have been possible before.
It is also important to note that hot cleaning at 95°C also sterilises the cleaned surfaces - as is clearly demonstrated by the swab tests that are carried out on the cleaned surfaces.
In addition, chemicals are no longer required and therefore no longer need to be procured or disposed of. This saves money, increases work safety and protects the environment. However, the company is particularly proud of the fact that only 120 litres are now required instead of 1000 litres - this contributes significantly to the company's environmental footprint, but of course also saves costs for procurement and disposal.
In the meantime, there are also other applications in the plant: for example, sugar solution repeatedly builds up on the air conveyor rails on which the (empty) PET bottles are transported through the factory hall. The PET bottles can "stick" to the sugar droplets, resulting in a jam of PET bottles on the conveyor rails and the entire production process having to be stopped. In the past, this was also cleaned with foam and lots of water. Nowadays, the conveyor rails are cleaned using the low-pressure hot cleaning method - this is much quicker, no chemicals are required and only a fraction of the water is needed.
In addition, palletising machines and the conveyor belts for the filled bottles are now also cleaned using low-pressure hot cleaning equipment.
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