Abstract: Stacks which consist of nested cuplike objects and have the basic shape of elongate cylinders are inserted in the form of a plurality of layers consisting each of a plurality of stacks into containers. The stacks are first moved in their longitudinal direction as they are fed to the container above the same and are subsequently transversely pushed in a juxtaposed condition into layer-forming means, which are mounted over the container, until the layer-forming means contain a complete layer consisting of the stacks. Thereafter the layer-forming means together with the layer of stacks are lowered from above as far as the bottom or as far as to a previously formed layer. The bottom of the layer-forming means is then pulled out under the layer and is deflected and pulled up so that the layer is deposited in the container while the mutual orientation of the stacks is maintained.

Abstract: Boilers with horizontal boiler sections contain in each section several heat exchanger elements for transferring the heat from the heating medium to the heat carrier medium. They have the inherent advantage of needing a connection between sections only on one side so that the dimensional changes during operations are easily equalized and no thermal stresses occur. Heretofore, it has been assumed that the frame of such horizontal boiler sections in which the heat exchanger elements in the form of pipes are secured must be provided with a cooling channel for the liquid heat carrier medium, and consequently the specific heat output in relation to the amount of material used for the construction of the boiler section was considerably decreased.The boilers with horizontal sections in accordance with the invention overcome this problem and require only a reduced specific amount of material as compared with the known boilers of this type.