Food or edible material: processes – compositions – and products – Containing non-proteinaceous nitrogen source convertible to...
Patent
1982-03-15
1984-05-22
Penland, R. B.
Food or edible material: processes, compositions, and products
Containing non-proteinaceous nitrogen source convertible to...
426281, 426335, 426626, 426636, 426807, 99533, 99534, A23K 122
Patent
active
044501781
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to a method of treating large straw bales, particularly round bales, with ammonia or another lye agent.
Large straw bales as left in the field are normally handled by being loaded onto a transportation cart by means of a tractor loader, whereafter they are brought home to the farm, where they are again handled by a tractor loader so as to be moved from the cart to a suitable storing place. When the bales are to be treated with ammonia for later use as a feedstuff it is customary to deposit the bales temporarily in a treating station, in which they are provided with a sheet coating, under which is introduced a predetermined amount of ammonia, and after a certain treating time the coating may then be removed and the bales brought to their final storing place. The treating time is rather long, especially for so-called round bales since the peripheral surface layers of the bales are compacted, such that the ammonia enters into the bale practically solely through the end surfaces thereof, or even only through the one end surface located adjacent the ammonia inlet.
The invention is based on the recognition that a much faster intrusion and distribution of the ammonia in the bale material is achievable by a direct injection into the single bale, whereby the compact outer bale layer will not obstruct the intrusion, but invertedly act to retain the injected ammonia in the bale, whereby there is no need to use any special coating on the bale. For carrying out an injection e.g. into a central area of the bale a relative movement between the bale and an injection means will be necessary, and the invention further takes this condition into account by providing for the movement to take place integrally with the mechanical transportation and handling of the bales, i.e. the tractor is used for effecting the injection movement.
When the ammonia is introduced by injection the required duration of the injection will not be very long, and normally it will not go beyond the time interval necessary for the very transportation of the bale from the cart to the final storing place. Therefore, while the tactor is readily usable to cause an injection spear to be forced into the bale in connection with the picking up of the bale, it is even usable to constitute a moving treating station which is operative during the required reloading of the bale, such that no or very little extra time is spent on the ammonia treatment. The tractor may carry the necessary ammonia tank or have its injection means connected to a stationary tank through a flexible hose.
Even if for some reason it should be undersired to let the tractor carry the ammonia tank or show the hose connection, the tractor will still be usable to effect the injection movement in connection with the reloading of the bale, viz. by using it to drive the bale against a stationary injector means. In that case, of course, the reloading time will be prolonged by the necessary injection time and by the extra driving time for bringing the bale to and from the injector means, but the injector station may be located close to the driving track between the unloading position of the cart and the final storing place.
The invention also relates to a corresponding system for carrying out the ammonia injection, all as defined in the appended claims.
In the following the invention is described in more detail with reference to the drawing, in which:
FIG. 1 is a perspective view of a tractor fitted with a system according to the invention,
FIG. 2 is a more detailed top view of the injection means,
FIG. 3 is a side view of the tractor during an injection operation, and
FIG. 4 is a side view of a modified system according to the invention.
The tractor shown in FIG. 1 is fitted with a front loader generally designated 2 and with a rear ammonia tank 4. The working implement of the front loader is a heavy frame member 6 provided with a plurality of forwardly directed spears 8, such a spear implement already being well known for the handling of large bales.
According to the i
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