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Have you ever wonder how your carbonated drinks are filled in cans? you ever wonder what a can filling machine is? How does function? What is the basic principle behind the packaging of your soft drinks?
The can filler is an essential equipment for the manufacturing industry because it ensured high quality and efficient products during the manufacturing process. They are usually used for filling soft drinks and other beverages such as milk and wine. They are also used for filling some alcoholic drinks. However, different can fillers are required for different products. And these products are packaged in a specified amount in a can.
Based on their level of automation and the materials used, can fillers are classified into different groups. They could be categorized as automatic, semi-automatic and fully automatic can fillers. And they could also be liquid can fillers, gas can fillers, paste can fillers and powder can fillers based on what you want to fill the can with.
Based on the working principle, liquid can fillers are divided into ordinary, pressure and vacuum can fill machines. The ordinary liquid can fillers work by gravity, in which the fluid is filled due to its weight into particular cans. However, it is necessary to meet special criteria to ensure the viscosity and gas bearing of the liquid. Liquid can fillers are often use in filling can milks.
The vacuum can fillers need the atmospheric pressure to be greater than the pressure of the can. Liquids such as syrup, oil, and wine, etc. Do have very high viscosity – reluctance to flow and require this type of can filling, Vacuum can fillers are very efficient and make use of a very simple structure.
The pressure liquid can fillers requires a greater pressure than the atmospheric pressure to be able to function. This type of can filler is further classified into “equal air pressure filling” and “high-pressure filling.” The equal air pressure filler require the pressure of the liquid reservoir to be equal to the pressure of the can and so the liquid proceeds into the can by their weights. The high-pressure filling, on the other hand, works based on the difference in pressure between the liquid reservoir and the can.
Gas can fillers make use of a very straightforward process. It uses a booster pump for creating pressure differences which are needed for the filling of the can. This gas booster pump is not too different to a gas compressor. Examples of some materials that are filled with this machine includes carbon dioxide, coal gas, and natural gas, etc.
Paste can Fillers (This is mainly used for filling paste in cans)
In paste can fillers, a volumetric method is used for measuring and controlling the filling quantity of the pastes. This method is very efficient and easy to maintain. It is particularly useful for highly viscous products.
This filling machine is based on the principle of a self-priming cylinder in which a piston can move. The piston diameter in respect with the stroke length determine the filling volume. The volumetric fill of this can filler is considered highly accurate.
There are so many can fillers in the market, a knowledge of the basic principles behind these can filler will help you to decide which one to buy.