Process for cleaning a barrel

Details Process for cleaning a barrel Process for cleaning a barrel

1982-09-27

1985-02-26

Marcus, Stephen

Cleaning and liquid contact with solids

Processes

Hollow work, internal surface treatment

137 125, 141 89, B65B 304

Patent

active

045016232

DESCRIPTION:

BRIEF SUMMARY
The invention relates to an appliance for cleaning filling and/or tapping of barrels, especially to be used in breweries, with a bung plate presenting a bung opening, a process for cleaning a barrel with use of such an appliance and a barrel equipped with such an appliance. When in the present context an "appliance" is spoken of, there is meant by it the appliance of a barrel and also this appliance in cooperation with a treatment head or a tapping appliance as functional unit.
For the filling of beer in barrels the breweries use predominantly barrels with roll corrugations, which barrels are provided in the zone of the roll corrugations on the mantle side with a bung plate, in the bung opening of which provided with a thread there is screwed a bung screw. Such barrels are ordinarily cleaned by introduction of a nozzle through the opened bunghole into the interior of the barrel. The inside of the barrel is then inspected for foreign bodies and transported to a filling appliance. There it is filled by an isobarometric filling device and thereupon closed again with the bung screw. All these processes, such as delivery onto the cleaning device, inspection after the cleaning, reading on the filling devices, filling and closing as well as the subsequent storage are carried out largely manually, whereby the entire cleaning and filling process is affected with high wage costs. Because of the long period of opening of the barrel there is present, furthermore, the danger that dirt and foreign bodies will be present in the barrel, since this is opened for emptying outside the brewery. Moreover, in the inspection the bunghole plugs knocked into the interior of the barrel have to be removed.
According to German utility model No. 79 18 135 there is known a beer barrel in which in the barrel mantle there must be present a bunghole and in the bottom of the barrel a tap hole. In the bunghole plug there is provided a beer outlet valve constructed as nonreturn valve with plug coupling receiving device and in the tap hole there is provided a pressure gas inlet valve likewise as a nonreturn valve and provided with plug coupling receiving device. Thereby there is to be made possible without change of the barrels in use, however, exclusively a complete emptying with a topping device without riser tube to be connected rapidly and easily and to be cleaned without problems. The problem of the inside cleaning and filling of the barrel is not addressed here. For the emptying, the expenditure in manual handling is not satisfactorily reduced, since both at the bunghole and also at the tap hole the plug couplings have to be applied by hand.
German unexamined patent specification No. OS 27 10 961 shows and describes merely a filling installation for barrels, in which, to be sure, the manual operations otherwise required are largely to be replaced by mechanical devices. This installation concerns itself, however, only with the correct positional orientation of the barrel in the filling operation, so that the filling device can plunge surely into the upward-facing bunghole.
From German utility model No. GM 73 29 532 there is known a swinging spray head for container cleaning, which plunges into the upward-facing bunghole. Here there is to be solved the problem of acting upon the entire inner surface of the container by the swinging movement of the spray head periodically with the cleaning fluid jets. For this the expensive manual operations already mentioned above are not to be avoided and just as before there is present the problem of infection of the interior of the barrel, since here, too, the barrel is opened outside the breweries for the emptying.
There are already on the market and in use at various breweries cylindrical barrels, so-called kegs, which have on one face side a valve installed in the riser tube, through which the barrel has to be opened only for a short time still in the cleaning, filling and emptying by operation of the valve, for example by emplacement on a treatment head or the tapping appliance, but is otherwise au

REFERENCES:
patent: 3166106 (1965-01-01), Reeve et al.
patent: 3564584 (1971-02-01), Ruddick

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