Introducing a new hot filling process

When the heat-resistant PET bottle is filled at high temperature, the biaxially stretched PET heat will shrink, the shrinkage rate is generally 1% to 3%, and the strength of the bottle neck is the largest, which requires that the bottle-neck positioning method is the most reasonable when filling, avoiding The bottle is deformed by external force. At the same time, the filling of well-done beverages is carried out with the use of bottle and bottle mouths, which can prevent the bottle body from being exposed to vibration and overflow of the extruded material.

Full mouth filling

There are two filling ports for the filling valve material, in the lowest part of the valve core, so that the head of the valve core occupies little space in the bottle mouth. When filling, the filling valve is inserted into the interior of the bottle mouth, and when the filling is finished, due to irrigation The inlet and return channels of the valve are closed in steps and in turn. The valve exits the bottle mouth, and the occupied volume of the valve is supplemented by the beverage in the return channel. This ensures that the beverage fills the entire bottle, that is, full mouth irrigation. Equipment.

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Backflow control function

The material filling port of the hot filling machine is at the lowest part of the valve core, the exhaust channel is the return channel outside the valve core, and the exhaust gas and the liquid inlet each other. During the filling, the discharge of the air in the bottle does not hinder the material. The flow rate avoids the influence of exhaust gas on the uniformity of each valve filling, which not only ensures that no material flows back during pouring, but also easily controls the back flow of the material after filling the bottle.

Automatic cycle function

According to the requirements of the production technology of hot-filled drinks, before and after the start of the hot-filling machine, or when the stoppage of the hot-filling machine causes the temperature of the beverage in the material tank to drop, it is necessary to warm it, and the refilled beverage can be refilled when the set temperature is obtained. On the other hand, the juice After the continuous production of tea beverages or tea beverages for a period of time, or during the exchange of shifts, it is necessary to cycle the filling material channels. Therefore, the hot filling machine should have a perfect automatic circulation system.