DE9216803U1 - Cladding for silos, large tanks and similar systems - Google Patents

Description

The invention relates to a cladding for silos, large tanks or similar systems.

Silos and large tanks are used wherever liquid media or bulk goods require storage.

Depending on the goods to be stored, an appropriate container material is used, which may also require insulation.

The insulation of the silos as such represents a technical problem in its own right, but a common feature of all of them is that labelling for advertising or aesthetic purposes is not possible.

The present invention is therefore based on the task of creating a cladding for silos and large tanks, by means of which the labeling or coloring is guaranteed independent of the tanks present or their insulation. As a sub-task, it must be taken into account that no condensation may form between the cladding and the silo or its insulation.

The present object is achieved by a covering according to the proposed claim 1. Special developments of the invention are characterized in the subclaims.

According to the invention, a cover made of airtight material, preferably a PVC tarpaulin, is used, which covers the silo or tank to be covered

almost bell-shaped. The casing used has a larger diameter than the silo itself, for example if the silo has a circular cross-section, so that there is a gap between the inner wall of the casing and the outer circumference of the silo and the insulation. The casing is attached in an airtight manner in the base area and in the dome area of the silo in such a way that a chamber can be formed between the silo or tank or between the insulation surrounding the silo or tank and the casing, which can be pressurized with a gaseous medium and which is then fed with a compressed air source, for example.

The chamber conveniently communicates with a valve, a leakage monitor and/or a pressure switch so that the overpressure in the chamber is always maintained and the cover remains properly inflated and thus tensions itself. A dehumidification system is conveniently assigned to the compressed air source so that only dry air flows into the chamber.

In the floor and dome area, the casing is hermetically sealed between the assembly parts so that no air can escape. Even in areas where the casing is penetrated by system components, e.g. a work platform in the dome area of the tank, the penetrations are hermetically sealed.

The invention will now be described in more detail with reference to the accompanying drawings, which show particularly preferred embodiments of the invention.

- 3 Showing:

Figure 1 shows a schematic cross-section through a large tank with cladding applied according to the invention;

Figure 2 shows the detail of the dome seal marked A in Figure 1;

Figure 3 shows the detail of the floor sealing marked B in Figure 1.

Figure 1 shows a large tank 2 to be clad. This is surrounded by an insulating layer 20. In the dome area 4, a work platform 21 is installed, from which several large tanks arranged next to one another can often be accessed. The scaffolding construction of these work platforms 21 must of course be taken into account when applying the casing 1 according to the invention, with the scaffolding parts 22 penetrating the casing 1. Appropriate sealing measures must be taken in these areas, but this is not described in more detail here.

According to the invention, a casing 1 is used whose diameter, with a circular tank cross-section, is larger than the tank 2 or its insulation circumference. A chamber 5 is thus formed between the tank 2 or insulation 20 and casing 1. The casing 1 is secured in an airtight manner in the dome area 4 and in the bottom area 3 of the tank 2; i.e. the chamber 5 must be secured with suitable sealing materials in such a way that

that the distance between the casing 1 and the tank 2 or insulation 20 is present as a pressurizable chamber 5. After the casing 1 covers the tank 2, the sealing mentioned in the floor area 3 and dome area 4 is carried out and the chamber 5 is pressurized with compressed air. This is done, for example, as shown schematically in Figure 1 via a compressed air source 10, which is followed by an air dehumidification system 11. The constant pressure equalization takes place via the valve 6, whereby the valve 6 communicates with the chamber 5 either directly or via a compressed air line. In the work platform area, a leakage monitor 8 or a pressure monitor 9 is also arranged, which on the one hand carries out a pressure equalization via the valve 6 (the communication lines are not shown here) or emits a warning signal in the event of a leak. A cushion is thus built up between the inner wall 12 of the casing and the outer perimeter 13 of the silo/tank, which on the one hand stretches the casing 1, which is in the form of a tarpaulin that can be written on, and on the other hand, by supplying the chamber 5 with dehumidified air, forms an additional insulating chamber.

Figure 2 shows the detail marked A in Figure 1 in an enlarged view. A mounting ring 18, for example in the form of an angle, is attached to the dome 14, which is covered by a sealing ring 19. The casing 1 is clamped between the two rings, which completely surround the dome 14, with additional elastic sealing elements 23 being used between the mounting ring 18 and the sealing ring 19 if necessary.

The elements used for sealing surround the dome area 4 completely in a ring shape so that no leakage points for the pressure medium can occur.

Figure 3 shows the detail marked B in Figure 1 in an enlargement.

The silo or tank 2 sits on a foundation 15. Again, a mounting ring 17 is used, which is either cast into the foundation or is clamped to the foundation with an additional set of seals. In the latter case, the mounting ring 17 is completely supported with a seal 24 and placed on the foundation in an airtight manner. Ring-shaped elastic sealing elements 25 are then used that completely surround the foundation 15 and are placed on the mounting ring 17. The cover 1 is then put on and covered with another sealing element 25 and clamped with a sealing ring 16. This also ensures airtight closure in the floor area 3.

The present invention provides a covering for silos, tanks or similar systems, by means of which these devices are covered for optical reasons or for advertising purposes, whereby the use of a covering made of tarpaulin material allows simple labeling or coloring without the lettering or the images on the covering being influenced by the shape of the tank material and, in addition, an insulating cavity is formed between the covering used and the tank.

- 6 List of reference symbols

1 cover

2 silos/tanks

3 Floor area of

4 Cathedral area of 2

5 chamber

6 Valve

7 Compressed air line

8 Leakage monitoring

9 Pressure switch

10 Compressed air source

11 Dehumidification system

12 Shell inner wall

13 Silo/tank outer circumference

14 Cathedral

15 Foundation

16 Sealing ring of 17

17 Mounting ring from

18 Mounting ring from

19 Sealing ring of 18

20 Insulation

21 Working platform

22 scaffolding parts from

23 Elastic sealing elements

24 Seal

25 Elastic sealing element for 17/16

Claims (10)

Expectations 1. Cladding for silos, large tanks and similar installations, characterized, that a shell made of airtight material (1) is used, which surrounds the silo or tank (2) to be clad in an approximately bell-shaped manner and with a space between the inner shell wall (12) and the silo or tank outer circumference (13) and is hermetically fastened in the base area (3) as well as in the dome area (4) of the silo or tank (2), such that between the silo or tank (2) or between the silo or tank (2) surrounding insulation (20) and the casing (1) a chamber (5) which can be pressurized with a gaseous medium can be formed. 2. Cladding according to claim 1,
characterized, that the chamber (5) communicates with a valve (6) 3. Cladding according to at least one of claims 1 to 2, characterized, that the chamber (5) communicates with a leakage monitoring device (8). 4. Cladding according to at least one of claims 1 to 3, characterized, that the chamber (5) communicates with a pressure switch (9). 5. Cladding according to at least one of claims 1 to 4, characterized in that the gaseous medium is present as dehumidified air. 6. Covering according to claim 5, characterized in that the chamber (5) is fed with a compressed air source (10). 7. Covering according to claim 6, characterized in that the compressed air source (10) is associated with an air dehumidification system (11). 8. Covering according to claims 1 to 7, characterized in that the cover (1) is made of PVC. 9. Covering according to claims 1 to 8, characterized in that for the purpose of sealing in the bottom area (3) of the silo or tank (2) a mounting ring (17) is arranged which encloses the foundation (15) in an airtight manner or rests on it in an airtight manner, the casing (1) being received and clamped in a tight-fitting manner between the mounting ring (17) and a further sealing ring (16). 10. Cladding according to claims 1 to 9, characterized in that for the purpose of sealing in the dome area (4) of the silo or tank (2) a mounting ring (18) is arranged which surrounds the dome (14) and rests against it in an airtight manner, whereby the casing (1) is received and tightly clamped between the mounting ring (18) of the dome (14) and a further sealing ring (19).