Nitrogen injection machine design for Aluminium can and PET bottle(low weight preform).
This liquid nitrogen injection system adopts the heat insulation like rocket and human-machine interface. Precisely injection, automatic adjustment and tracing technology. No container/No dose capability. The anti-freeze function raises utilization of the liquid nitrogen. This machine is easy operation.
All of the three-piece can drink and food can be replaced by the thinner two-piece can. After filling, the liquid nitrogen will be injected into the can before sealing through the modern liquid nitrogen injection technique.
The -196°C liquid nitrogen in the cans will become to nitrogen gas and expanded 700times
when the liquid nitrogen absorbed the heat after sealing.
Thus the nitrogen gas crowded out the air in the can prolonging the shelf life of the products.
Moreover, the nitrogen gas will increase the inner pressure of the can, so the can will avoid flat tank after cooling when the can sterilized in the retort under 121°C for a long time and keep the products in a good condition during transportation.
Last the aluminum can is much light than the tin can, and easily for transportation and storage, also cheaper than the tin can.
Equipment characteristics
1、At low speed without tank filling method, reduce the loss of liquid nitrogen, reduce operating costs. High speed when the filling valve is normally open, high speed automatic detection.
2、vacuum insulation protection, reduce operating costs.
3、the nozzle special care system, effectively prevent the nozzle frost ice plug phenomenon.
4、liquid gas separator, to ensure that the liquid nitrogen in the ultra cold state, improve the liquid phase purity, make the filling more accurate and stable.
5、Liquid nitrogen buffer function, effective control of the liquid nitrogen rebound spills, stable liquid nitrogen filling amount, to ensure that the tank pressure equilibrium.
6、Equipped with filter (optional) 10 m, remove particulate pollution.
7、Accurate filling liquid nitrogen speed can be as high as 300 cans / minutes, more than 300 cans / minute for continuous filling, you can reach 2000 cans / minutes
8、A variety of speed filling of the adjustable and efficient vacuum liquid nitrogen insulation pipeline to ensure that the minimum liquid nitrogen consumption.
9、The advanced nature of the filling valve ensures that liquid nitrogen can be delivered to the pure and single phase.
10、Filling valve outlet pressure to ensure the lowest minimum nitrogen splashing.
11、Frost free operating environment.
12、The operation of the process of filling and filling time of accurate and adjustable.
13、Continuous self - monitoring of the system can be carried out through the alarm indicator.
14、PLC control / touch screen / user interface language optional.
15、It can be directly connected with liquid nitrogen vacuum insulated pipeline, and can provide a complete liquid nitrogen supply system from liquid nitrogen storage tank to filling line.
16、Suitable for all PET bottles and cans of thin lines.
