Bottling and packaging technology - Depal, Rinsing, Filling, Capping, Labelling, Printing and Packaging machines

 

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Filling machine detail   

Isobaric filling valve

Monoblock 8-1.jpg (53925 byte) Valve.jpg (16466 byte)

The machine is suitable for processing most kinds of carbonated products.

 A specific type of valve is used depending on the requirements:

"S" FILLING NOZZLE  "SL" FILLING NOZZLE 
"PS" FILLING NOZZLE "DPS" FILLING NOZZLE
Particularly suitable for beer
See oxygen residual analysis
report (168 kb)
 Valve section    -   Valve layout

 

CHARACTERISTICS

The machine is constructed with adjustable basement supports, welded on a rigid structure in order to avoid vibrations of flexing movements. 
On the basement we can find: the central filling machine support, the motorization, the cams or inclined surface which controls the mechanic descending of the pistons which rise mechanically, and the gears which drive the movements of the spiral and of the inlet/outlet stars. 
All the components of the machine are easily inspected in order to facilitate the cleaning and maintenance of the machine. The rotating flange on which the reservoir is placed on is supported on a large diameter support which is equipped with centring devices. 
The isobaric reservoir is fixed solidly on the cylinder support flange, through the device for adjustment in height of the machine. The system of adjusting of the height makes it possible to use bottles of different heights, considering the limited run of the cylinders. The pneumatic cylinders are lifted through compressed air, while their descent is through cams or inclined surface. 
The distribution of the compressed air, to which the cylinders are connected, is regulated from a pressure distributor which is auto-lubricating. 
The filling valves are attached to the filling reservoir and are easily detachable in order to ensure an easy maintenance and cleaning. 
The machine is complete with electric control panel with low tension switches and thermal relays. Security devices are situated on the spiral and stars. 


ALL MATERIALS IN CONTACT WITH THE LIQUID ARE MADE IN STAINLESS STEEL AISI 304  (ON REQUEST WE CAN SUPPLY AISI 316) 


FUNCTIONING OF THE FILLING MACHINE 
The bottles arrive through the conveyor to the filling machine, where they are distanced through a spiral which brings them onto the inlet star before being fed on the lifting plates of the filling machine. The movements are very smooth .The pneumatic cylinders lift the bottles through compressed air and take them up to the filling valves. 
As soon as the filling has been done the bottles are taken to the outlet star by the descending of the cylinders. The isobaric reservoir works with a maximum pressure of 6 bar (tested according to the I.S.P.E.S.L. at a pressure of 7 bars), and is constructed in thick stainless steel, with detachable lid cover which is polished to mirror effect on both sides. 
The devices for the inspection of the liquid are placed on the reservoir lid, while the inspection window is placed on the frontal side of the same. Small channels connect the central distribution to the isobaric reservoir. The filling valves are fixed on the isobaric reservoir through bolts so that they can be easily detached. The bottle centring devices are constructed in stainless steel AISI 304. 
The filling valves, also built in stainless steel 304 are constructed in order to maintain always a perfect closure even with very high pressures. In case of total or partial bottle breakage the valve automatically closes itself thus avoiding the loosing of gases or liquids. 

 

"S" FILLING NOZZLE

Suitable for high pressure filling of products like mineral water, frizzy drinks and sparkling wines. Once the bottle has been placed directly under the filling nozzle, the pressure valve is opened so as transfer some of the pressure which is contained in the tank, the nozzle is opened by a spring so as to start the filling cycle. The liquid which goes into the bottle is spread along its sides by a rubber packing mounted on the levelling system. As soon as the liquid reaches the hole on the levelling systems the filling nozzle is shut. The filling nozzle is mechanically shut off by a control cam and another cam opens the valve for reducing the pressure inside the bottle. Finally the bottle, now filled with liquid both still and levelled, is brought to the outlet star.

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 "SL" FILLING NOZZLE 

Compensation, filling and final levelling with inert gas, suitable for filling all liquids with a pressure level not greater than 2 Bar. Once the bottle has been placed directly under the filling nozzle, the pressure valve is opened so as transfer some of the pressure which is contained in the tank of the liquid to the empty bottle. When the pressure in the bottle is the same as the pressure in the tank, the nozzle is opened by a spring so as to start the filling cycle. The liquid which goes into the bottle is spread along its sides by a rubber packing mounted on the levelling system. As soon as the liquid reaches the hole on the levelling system the filling nozzle is shut off mechanically by a control cam so as to isolate the bottle from the pressure of the tank. The final levelling is carried out by the pressure valve opening (inside the filling nozzle) so as to introduce into the bottle additional inert gas which pushes some of the liquid back to the tank until the required level is reached. (The pressure valve is connected to a high pressure system, adjusted by a pressure reducer). Once the liquid in the bottle has been levelled a control cam opens the valve for reducing the pressure inside the bottle. Finally the bottle, now filled with liquid both still and levelled, is brought the outlet star. (The above mentioned levelling system can be disconnected so as to have the same  function like the filler with "S" valve type.)

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"PS" FILLING NOZZLE 

Pre-vacuum and high pressure filling for products like fizzy drinks and sparkling wines. Once the bottle is automatically placed directly under the filling nozzle, the vacuum valve is opened by a cam. All the air in the empty bottle is completely sucked out by a pump connected to the central distribution system of the filler. Secondly the pressure valve opens to fill up the bottle with inert gas until it reaches the same pressure as the tank. When the pressure in the bottle is the same as the pressure in the tank, the nozzle is opened by a spring so as to start the filling cycle. The liquid which goes into the bottle is spread along its sides by a rubber packing mounted on the levelling system. As soon as the liquid reaches the hole on the levelling system the filling nozzle is shut. The filling nozzle is mechanically shut off by a control cam and another cam opens the valve for reducing the pressure inside the bottle. Finally the bottle, now filled with liquid both still and levelled, is brought to the outlet star.

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"DPS" FILLING NOZZLE
Double Pre-vacuum, compensation and final de-gassing, suitable for filling of all liquids with a pressure level not greater than 2 bar.
Once the bottle is automatically placed directly under the filling nozzle, the vacuum valve is opened by a cam. All the air in the empty bottle is completely sucked out by a pump connected to the central distribution system of the filler. Once the bottle is filled up with inert gas (anti-oxidant ambient) and has reached the same pressure as the tank, the second pre-evacuation takes place, then the nozzle is opened by a spring so as to start the filling cycle. The liquid which goes into the bottle is spread along its sides by a rubber packing mounted on the levelling system. As soon as the liquid reaches the hole on the levelling system the filling nozzle is shut off mechanically by a control cam so as to isolate the bottle from the pressure of the tank. At this stage the cam opens the valve for reducing the pressure inside the bottle. Finally the bottle, now filled with liquid, is brought to the outlet star.

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Modified the : 05-03-2009 19:42 +0100