The filling machine filling method:
(1) Atmospheric pressure
Atmospheric pressure method is also water filling machine called the pure gravity method, namely under atmospheric pressure, the liquid depend on gravity flow into the container. Most can the free flow of liquid in the filling, not containing gas such as liquor, wine, milk, soy sauce, vinegar, etc.
(2) Pressure
Isobaric method is also called pressure gravity filling method, namely under the condition of higher than atmospheric pressure, first of all packaging container inflatable, formation and liquid of the equal air pressure in the cabinet, and then rely on gravity pouring liquid flow into the packing container. Drink this kind of method is widely used in gas, such as beer, soda, sparkling wine filling. Filling, adopting this method can reduce the loss of this kind of product contains CO2, and prevent excessive foam filling process and affect the product quality and quantitative accuracy.
(3) The method of vacuum
Cooking oil filling machine vacuum juice filling machine method of filling is conducted under atmospheric pressure conditions, according to two ways:
(a) The differential vacuum type
That is liquid at atmospheric pressure in the oven, only to the extraction of the vacuum container, liquid depend on the liquid tank with filling and container flow and the pressure difference between the effects from complete filling, this method is commonly used in China.
(b) Gravity vacuum type
The liquid in a vacuum, in the packaging liquid bottle filling machine container first formation and liquid extraction of equal vacuum box, then liquid depend on gravity flow into the packaging container, because of its complex structure, less use in China. Vacuum filling method used widely, it is suitable for filling a larger liquid viscosity materials, such as oil, syrup, etc. Also is suitable for filling liquid materials containing vitamins, such as vegetable juice, fruit juice, etc., to form a vacuum bottle means reduced liquid contact with air, extend the shelf life of the product, the vacuum method also is suitable for filling of toxic materials, such as farming yao, to reduce the toxic gas spillover, improve working conditions.
(4) Pressure method
The use of mechanical pressure or air pressure, will be filling material in packaging container, this method is mainly used for filling viscosity larger viscous materials, such as filling ketchup, mince, toothpaste, cream, etc. Cooking oil filling machine can be used in filling soda, a kind of soft drinks, sometimes when the pressure by the soda itself directly without pumping gas pressure inside the bottle, so as to improve the filling speed, the formation of bubbles due to no colloid in the soda is easy to disappear, have some impact on the quality of filling.
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