CS201498B1 - Anchoring of the enamelled containers - Google Patents

Description

The invention relates to a more advantageous anchoring of the walls of tanks, for example storage or silage, made of surface-treated, mostly enamelled sheets.

The circular tank for the storage of solids or liquids is used in various fields, especially in agriculture. These tanks contain several essential parts: they are the bottom which carries an anchoring element connected to the cylindrical wall of the tank. Anchoring ring, which is still made of L or U-profile steel, is welded to the bottom, whether metal or concrete, with a metal in-ring. To these profiles, the bottom sheathing sheets are attached by fitting screws which are punched and shaped to the required profile before enamelling. after assembly, the shell formed mostly a circular profile. The perforation of the sheathing sheet, which is carried out by means of numerically controlled machines, must be very precise, since after enamelling the holes cannot be retrofitted

Said anchoring ring profiles cannot be punched on machines used to punch sheathing sheets and are therefore punched individually, with manual handling predominating. Such punching is time-consuming and, moreover, cannot. In this case, maintain the same pitch accuracy as> when machine-punching the sheet metal sheets, so that the holes in the profiles have to be retrofitted during assembly, which again results in time losses. A further disadvantage of the L or U profile has been in their shaping, which was time consuming because it was carried out on rollers or dies. Due to the profiled shape of these anchoring rings, it is difficult to maintain sufficient precision of the radius of curvature during forming, which impairs the assembly and possibly the tightness of the tank. In addition, they can be profiled during shaping. of the elements to create unevenness from the inflated material. Another disadvantage of the profiled elements is the higher material consumption, which also results in increased weight, which is unfavorable in handling and transport. The profiled material is also less difficult to store and must be reserved for transport during transportation.

The above-mentioned disadvantages are eliminated by the anchoring of the enamelled tanks according to the invention, in that the anchoring ring consists of anchoring bands whose lower edge is welded to the bottom of the tank and in whose upper part holes are drilled with a pitch equal to the ; sheets.

The anchoring of the enamelled tanks made according to the invention brings savings in production, material and assembly. Replacing ₇ fused shapes in anchor rings with simple anchor strips saves material while simplifying material supply and storage as profiles do not have to be ordered separately. Anchoring tapes can be produced by simply cutting non-enamelled sheet metal. There is also no need for special devices, such as rollers or dies, for the profiling of the profiles, since the bands can be formed simultaneously with the sheet metal. The same is true of punching, and it must be emphasized that by machine punching the strips, the same hole pitch tolerance is achieved as for sheet metal sheets, so that repair work during assembly is eliminated. Transport is also simplified, since the tapes can be transported together with the sheathing sheets, while the profiles required a separate location in the conveying space due to their shape differences.

The anchoring of the enamelled tanks according to the invention is shown in the accompanying two drawings, in which Fig. 1 shows the anchoring of the tank by one anchor strip, ohr. 2 shows anchoring with two anchor strips, FIG. 3 shows the connection of the anchoring strips to the sheathing sheets in horizontal section and heating. 4 shows a tower tank, the shell of which consists of shell plates and the lower row of the plates is connected to an anchor ring which abuts the bottom.

The anchorage is intended for tower tanks built on a concrete base with a metal bottom ‘2. Anchorage according to this; The upper part has openings 3 for screw connection to the sheathing sheets 4. The thickness and length of the individual anchor strips 1 are usually the same as the dimensions of the most reliable sheathing sheets 4 and their the height does not exceed the height of the sheathing plates 4.

Claims (1)

Anchoring of enamelled tanks comprising a bottom with a welded anchoring ring, the upper part of which is connected to the casing sheets, characterized in that the anchoring ring is formed of anchoring strips (1), whose lower edge of the set could thus be anchoring strips. However, due to their ease of handling when welding to the bottom 2, their height will generally be smaller. Depending on the load transmitted to the bottom 2, either one ring of the anchor strips 1 is used which is connected to the sheathing by overlapping, or two rings are inserted between which the lower edge of the sheathing sheets 4 is inserted. of greater thickness. The method of joining the anchor strips 1 must be adapted to the system of joining the sheathing sheets 4. For example, if the sheathing sheets 4 are enamelled, the edges of the two sheets 4a, 4b overlap and connect with the fitting screws 5 as shown in Fig. the strip 1a is applied to the lower edge of the sheathing sheet 4b so that the anchor strip Ta lies flush with the sheathing sheet 4a. The anchor strip 1b is then applied so as to overlap the contact edge between the anchor strip 1a and the sheathing sheet 4a. The front edge of the anchor strip 1b with the fillet weld 6 is welded to the anchor strip 1a. The described anchor strips 1 are very advantageous from the manufacturing point of view, since they can be produced by cutting still unnamed casing sheets 4, or the casing sheets 4 can only be cut at several points and transported very advantageously together with the other enamelled casing sheets 4 to the assembly site. definitively cut. As far as the punching and forming of the anchor strips 1 are concerned, these operations can be carried out on the same machinery as used for the sheathed metal sheets 4, thereby reducing production costs and achieving the same pitch accuracy as the sheathed metal sheets. 4, thereby reducing installation effort. Y N A LE Z U is welded to the bottom (2J of the tank and in the upper part of which the holes (3) are drilled with the spacing equal to the spacing in the sheathing plates (4).