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Juice hot filling machine filling, the material of carbonated beverage filling machine is quite different from ordinary water or carbonated beverage material, and the filling method and filling process are also different. Therefore, the structure of the juice hot filling machine is very different from that of the ordinary filling machine in terms of filling cylinder, filling valve and management system.
Since the ingredients of the juice filling machine are different, such as juice, tea, coffee milk and functional health drinks, some have high sugar content, some even contain pectin and theophylline, and some even contain pectin and theophylline. The viscosity of the medium is high, and some are easy to foam during filling.
In order to ensure long shelf life and stable quality of beverages, high temperature filling is required, and the temperature is usually around 88°C.
At the same time, it is also required that the internal structure of the filling tank is smooth, easy to clean, and there is no CIP cleaning dead angle. The materials of the parts in contact with the material are all 0Cr19Ni9 stainless steel, the inner and outer surfaces are smooth, and the roughness Ra≤0.8 is required.
The juice hot filling machine adopts the filling method of gravity filling and negative pressure return. After the material is sterilized by UHT ultra-high temperature, it is sent to the upper cylinder of the machine and the PET bottle to be filled by the conveying pump to maintain a certain head drop. , the material is injected into the PET bottle through the pipeline on the upper part of the filling valve and the filling valve. At the same time, there is an exhaust fan in the workbench, and its suction port is connected to the buffer tank. When filling, the exhaust fan is started, and the air in the PET bottle is quickly sucked away through the return pipe of the buffer tank, the lower cylinder and the filling valve to form a certain amount of air. When the liquid level in the bottle is high, the foam on the bottle mouth is sucked away and the material is quickly replenished to form high liquid level or full bottle filling.
Juice hot filling machine is one of the main equipments in the hot filling production line. The land area is small. The rinsing and filling parts do not need to be connected by a conveyor belt, and the star wheel is transmitted. The machine is fully automatic controlled, simple and convenient to operate, easy to arrange equipment in the filling room, and control and manage the hygienic environment and production.
The juice hot filling machine is also equipped with a suction fan in the workbench, and its suction port is connected to the buffer tank. Go and form a certain negative pressure to speed up the filling speed, the principle of the filling machine and when the liquid level in the bottle is high, the foam on the bottle mouth is sucked away and the material is quickly replenished to form a high liquid level or full bottle filling of the PET bottle. The principle of the filling machine requires a high liquid level in the PET bottle after filling. Hot filling requires a high liquid level or a full bottle after filling the PET bottle, so as to reduce the oxygen component in the residual air in the gap of the bottle mouth, which affects the quality of the beverage. influences. At the same time, the hot air of the bottle mouth material can also displace some air, which is conducive to the sterilization of the bottle mouth and the inner top surface of the bottle cap when the bottle is inverted in the subsequent process to further ensure the quality of the beverage.