EP0364784B1 - Druckentlastungseinrichtung für Behälterwände - Google Patents

Druckentlastungseinrichtung für Behälterwände Download PDF

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Publication number
EP0364784B1
EP0364784B1 EP19890118024 EP89118024A EP0364784B1 EP 0364784 B1 EP0364784 B1 EP 0364784B1 EP 19890118024 EP19890118024 EP 19890118024 EP 89118024 A EP89118024 A EP 89118024A EP 0364784 B1 EP0364784 B1 EP 0364784B1
Authority
EP
European Patent Office
Prior art keywords
pressure
tank
reducing device
container
mount
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP19890118024
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0364784A1 (de
Inventor
Peter Dr.-Ing. Martens
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0364784A1 publication Critical patent/EP0364784A1/de
Application granted granted Critical
Publication of EP0364784B1 publication Critical patent/EP0364784B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D88/00—Large containers
    • B65D88/54—Large containers characterised by means facilitating filling or emptying
    • B65D88/64—Large containers characterised by means facilitating filling or emptying preventing bridge formation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C3/00—Vessels not under pressure
    • F17C3/02—Vessels not under pressure with provision for thermal insulation
    • F17C3/022—Land-based bulk storage containers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0119—Shape cylindrical with flat end-piece
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/052—Size large (>1000 m3)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0612—Wall structures
    • F17C2203/0626—Multiple walls
    • F17C2203/0629—Two walls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/06—Controlling or regulating of parameters as output values
    • F17C2250/0605—Parameters
    • F17C2250/0626—Pressure

Definitions

  • the invention relates to a pressure reducing device for the pressure forces exerted by bulk goods in containers, in particular narrow and tall silos or the like, with a plurality of plates or the like which are arranged at a small distance from one another in the interior of the container and are fixed to a holder or the like and are acted upon on all sides by the bulk material when the container is full.
  • the pressure reducing device is installed here in a silo for receiving granular material, the silo tapering downwards towards an outlet.
  • the brackets formed by vertical rods or ropes hang on an upper suspension and extend with their lower ends into the tapered outlet section of the silo.
  • the plates have the task of preventing a blockage which prevents the free flow of material by compacting the granules, in particular by forming bridges.
  • the invention has for its object to use this known pressure reducing device in a special case as a pressure relief device for container walls.
  • This object is achieved according to the invention by use in an insulating space which surrounds a liquid gas tank in a ring and is filled with a piece of insulating material in order to reduce the horizontal forces exerted by the insulating material column on the tank wall.
  • Stationary tanks for holding liquid gases are usually enclosed by an annular isolation space, which is used to isolate the tank with e.g. B. lumpy insulating material is filled.
  • This isolation room is formed by a wall of z. B. Concrete, which overlaps the tank at a short distance, e.g. B. dome-shaped ceiling is closed.
  • the tank which usually stands on an insulated foundation, can have a height of e.g. B. have 30 to 40 m; its internal temperature can be minus 200 ° C or less, depending on the bunker material.
  • the filling of the outer annular space with the lumpy insulating material, for. B. perlite takes place when the tank is still empty, i.e. warm.
  • the tank If the tank is then filled with liquefied petroleum gas, its vertical steel wall bulges inwards under the influence of the low temperatures. This causes an enlargement of the outer annular insulation space and thereby slippage of the lumpy insulation material. If this tank were to be completely emptied later and thereby warmed up to ambient temperatures again, the vertical tank wall would try to expand again. A radial bulge outwards would be opposed by the horizontal forces resulting from the high column of insulating material. This would presumably lead to a severe denting of the tank wall, to barely controllable horizontal forces acting on the outer concrete wall, and to displacement forces within the insulating material.
  • the holder hangs on an upper suspension or on a lid, a roof or the like which closes the open container.
  • the holder itself can then be designed to be flexible.
  • This holder can also be attached to the bottom of the container, so that the plates partially absorb any buoyancy that may be acting on the bulk material and can be derived from the base fastening of the holder. In principle, however, it is also possible to make the holder stiff so that it can stand on the bottom of the container.
  • the holders equipped with the plates which extend over approximately the full tank height and are uniformly equipped with plates or the like over this height, are suspended around the tank on the roof spanning the tank are.
  • These plates lead to such a high relief of the insulating material column and thus to a reduction in the horizontal forces exerted by the latter on the tank wall that when the tank is emptied, the wall of the tank could expand again by overcoming the reduced horizontal forces exerted by the insulating material, without damaging the Tank itself or its outer protective cover must fear.
  • the plates can each be bowl-shaped to further increase the relief effect.
  • the holder equipped with the plates at the same time is also attached to the bottom of the container or to the bottom of the annular insulating space. In this case, at least some of the plates can point downwards with their trough-shaped opening.
  • Figure 1 shows a liquid gas tank 1 with a vertical container wall 2 and an insulating space 3 surrounding this tank in a ring. The latter is closed off from the outside by an annular concrete wall 4 with a dome-shaped roof 5. A lid 7, which closes the tank 1, hangs on the roof 5 via suspensions 6.
  • brackets 8 In the insulating space 3 hang evenly arranged around the tank 1 as a tension rod brackets 8, of which only one is shown in Figure 1. In the exemplary embodiment shown in FIG. 1, these brackets 8 also hang on the roof 5 and extend over approximately the full height of the tank 1.
  • Each bracket 8 is equipped with plates 9 or the like. which are arranged one above the other with a clear spacing and are firmly fixed to the holder 8. According to the exemplary embodiment, the plates 9 can be opened in a trough-shaped manner.
  • the insulating space 3 is filled with a piece of insulating material, which is not shown for the sake of clarity and which the plates 9 or the like. acted upon on all sides.
  • the holder 8 is designed as a pressure rod standing on the floor, while the alternative solution according to FIG. 4 shows a holder 8 fastened both above and below in the form of a tension-compression rod.
  • some of the plates 9 point downward, others upward, while the three middle plates 9 are flat.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
EP19890118024 1988-10-05 1989-09-29 Druckentlastungseinrichtung für Behälterwände Expired - Lifetime EP0364784B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3833859 1988-10-05
DE19883833859 DE3833859A1 (de) 1988-10-05 1988-10-05 Druckentlastungseinrichtung fuer behaelterwaende

Publications (2)

Publication Number Publication Date
EP0364784A1 EP0364784A1 (de) 1990-04-25
EP0364784B1 true EP0364784B1 (de) 1993-05-05

Family

ID=6364424

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890118024 Expired - Lifetime EP0364784B1 (de) 1988-10-05 1989-09-29 Druckentlastungseinrichtung für Behälterwände

Country Status (2)

Country Link
EP (1) EP0364784B1 (enrdf_load_stackoverflow)
DE (1) DE3833859A1 (enrdf_load_stackoverflow)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE566330C (de) * 1932-12-15 Kohlenveredlung Bunker fuer feinkoerniges oder staubfoermiges Gut mit das Bunkerinnere unterteilenden Einsaetzen
DE443384C (de) * 1927-04-27 Ernst Eichholz Getreide-Silozellen
US2604238A (en) * 1950-01-09 1952-07-22 Day Company Storage bin construction
GB1030859A (en) * 1963-11-08 1966-05-25 Motherwell Bridge And Engineer Improvements relating to fluid storage tanks
US3995541A (en) * 1973-10-31 1976-12-07 Acf Industries, Incorporated Railway hopper car having baffles decreasing load density
DE2443641A1 (de) * 1974-09-12 1976-03-25 Gruenzweig Hartmann Glasfaser Mantelisolierung von senkrecht stehenden tieftemperatur-lagertanks

Also Published As

Publication number Publication date
DE3833859A1 (de) 1990-04-19
EP0364784A1 (de) 1990-04-25
DE3833859C2 (enrdf_load_stackoverflow) 1990-07-19

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