EP0027101A2 - Gefäss, insbesondere Gärungsgefäss, Herstellungsverfahren des genannten Gefässes, Element zur Ausführung des Verfahrens und Strangpressmatrize zur Herstellung des Elementes - Google Patents

Gefäss, insbesondere Gärungsgefäss, Herstellungsverfahren des genannten Gefässes, Element zur Ausführung des Verfahrens und Strangpressmatrize zur Herstellung des Elementes Download PDF

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Publication number
EP0027101A2
EP0027101A2 EP80810307A EP80810307A EP0027101A2 EP 0027101 A2 EP0027101 A2 EP 0027101A2 EP 80810307 A EP80810307 A EP 80810307A EP 80810307 A EP80810307 A EP 80810307A EP 0027101 A2 EP0027101 A2 EP 0027101A2
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EP
European Patent Office
Prior art keywords
tank
panels
tank according
cement
male
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.)
Ceased
Application number
EP80810307A
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English (en)
French (fr)
Other versions
EP0027101A3 (de
Inventor
Léon Chaillet
André Sumi
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
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0027101A2 publication Critical patent/EP0027101A2/de
Publication of EP0027101A3 publication Critical patent/EP0027101A3/de
Ceased legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H7/00—Construction or assembling of bulk storage containers employing civil engineering techniques in situ or off the site
    • E04H7/22—Containers for fluent solids, e.g. silos, bunkers; Supports therefor
    • E04H7/24—Constructions, with or without perforated walls, depending on the use of specified materials
    • E04H7/26—Constructions, with or without perforated walls, depending on the use of specified materials mainly of concrete, e.g. reinforced concrete or other stone-like materials
    • E04H7/28—Constructions, with or without perforated walls, depending on the use of specified materials mainly of concrete, e.g. reinforced concrete or other stone-like materials composed of special building elements

Definitions

  • the invention relates to a tank, in particular a tank often called a digester; these tanks are intended for the storage and / or fermentation of natural products such as grass, green fodder, but, alfalfa, but also for the production of biogas by fermentation of manure and any other organic waste.
  • these tanks for a long time; these include silage tanks. They are now built to measure in prefabricated metal parts, held or not by a reinforcement and support frame; very often they are made of reinforced concrete.
  • the major disadvantages of such tanks are first of all the fact that their parts must be custom-made and must be assembled by long and expensive processes such as riveting and welding (because the tank must be waterproof), and that the price of these tanks are very high, by the price of the metallic material which goes up constantly and by the cost of the assembly. As a general rule, these tanks must be additionally isolated in the case of digesters so that fermentation is not stopped. In addition, the concrete tanks are much too heavy.
  • the object of the present invention is to eliminate all these drawbacks and to propose a new tank which is easy to assemble and inexpensive, in principle using an existing non-metallic material.
  • the tank according to the invention which is characterized in that these walls are formed of modular cellular elements made of extruded asbestos-cement, with flat and parallel faces, the horizontal section of the tank being polygonal.
  • Modular honeycomb elements made of extruded asbestos cement are already known. These are for example panels called “Wallbord” from the American company Johns-Manville. This material is distinguished by a density much lower than that of metals (approximately 1.6 kg / 1), a flexural strength of at least 200 kg / cm 2 and a compressive strength of 450 kg / cm .
  • the modular elements are double or triple wall panels, 30 or 60 cm wide, 6, & or 10 cm thick and up to 6 m long, with male and female interlocking on the lateral sides for facilitate flat assembly. It will be explained below that these panels, as they are available on the market, cannot be used without a significant modification forming part of the invention.
  • the female and male sockets will hereinafter be called “tongue and groove” although the male socket may itself have a groove and be wider than an ordinary tongue .
  • the panels can also be heated or cooled by having tubular electric radiators inside the cells which extend all the way inside the panels, or by passing hot or cold air through these cells.
  • asbestos-cement honeycomb panels used according to the invention lies in the fact that they can be very quickly assembled “dry", that is to say without mortar or other hydraulic binders but by bonding. , preferably to a silicone adhesive which remains elastic even after self-vulcanization, or to an epoxy adhesive known per se.
  • the tank which is represented in fig. 1 and 2 has a capacity of approximately 350 m 3 , namely an internal diameter of 8 m, a height of the cylindrical part of 6 m (the normal length of the panels) and a height of the parts at the bottom and at the top of 1, 40 and 1.8 m, respectively.
  • the tank rests on a base belt 1 and a bottom plate 2 which are poured in reinforced concrete on site; they can also be made of metal. Parts 1 and 2 are joined by radial beams 3 of concrete or metal on which are placed the bottom asbestos-cement panels 4, glued together and on the beams 3. Electric or forced air heating, indicated by 5 , can be provided in the cells of the panels 4.
  • the cylindrical or more exactly polygonal wall 6 of the tank is formed by panels 7 placed so that their length makes the height of the tank.
  • the panels can be provided with heating bodies 14.
  • 7 ' there is shown such a panel, designated as 7 ', as it is commercially available.
  • the second possibility of modification consists in "pivoting" the tab of the panel by the angle ⁇ , see fig. 5.
  • the original profile is designated by the dotted line A while part 10A has been added to equalize the angle ⁇ of the polygon making the tank.
  • the assembled panels bear the reference numbers 7C and 7D.
  • a preferred embodiment consists in not adding material to obtain the angle ⁇ or 1 ⁇ 2 ⁇ , respectively, but in removing side and longitudinal walls of the panels.
  • the practical reason for this measure is based on the fact that in this case, it suffices to provide a lateral edge of the die producing the panels by extrusion, or both edges, with small covers which, during extrusion, prevent the out of the material, see Fig. 3A where the opening 11 of the die, at the edge producing the groove, is partially obstructed by the cover 12 'giving a modified groove ("pivoted") by the angle ⁇ .
  • the vertical panels 7 are radially prestressed by the hoops or external metal cables 12, screwed and tightened by means of the screws and nuts at the places 13.
  • the tank ends upwards by the metal plate 15 having a manhole 16 which also serves as an opening for the evacuation of gases.
  • the plate 15, possibly reinforced by ribs 21, is joined to metal plates 17 by the double-T beams 18 whose wings receive the panels 19; the double T is used to hold the panels against internal pressure :.
  • Plate 15 is provided with an insulation 20.
  • the cells of the plates can be filled with an insulating material.
  • the tank can be assembled in a very short time.
  • the vertical walls 6 are mounted in the same way; once the perimeter is finished, the hoops 12 are laid and tightened, the metal plates 17, the beams 18 and the plate 15 are added, and finally the asbestos-cement panels 19 and the insulation are laid 20. In practice , there will in some cases be more hoops than those shown in fig. 2.
  • the rigidity of this construction meets all the requirements although no supporting structure - apart from the hoops 12 - is provided.
  • the invention also allows the construction of tanks having the desired dimensions by simple addition to the die producing the cellular elements in asbestos-cement by extrusion, small covers changing the structure of the tongue and / or of the groove.
  • the height of the tank namely of its cylindrical part, can be arbitrary. If it is less than 6 m, the normal length of the panels, these will be cut; for heights exceeding 6 m, panels of appropriate length are superimposed.
  • a foam-forming mass is injected into the cells, for example a two-component mass (polyol and polyisocyanate) giving a foam polyurethane, hydrophobic or waterproof.
  • a waterproofing layer for example a lacquer plastic materials such as polyurethane, polyvinyl chloride, polyethylene, teflon, nylon etc.
  • the tank may be provided with internal heating, for example heating bodies or devices for injecting steam, or else with a de-cooling installation.
  • the tank can also be used as a hot water tank, cold water tank, as a silage tank, accumulation tank, etc.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
EP80810307A 1979-10-04 1980-10-03 Gefäss, insbesondere Gärungsgefäss, Herstellungsverfahren des genannten Gefässes, Element zur Ausführung des Verfahrens und Strangpressmatrize zur Herstellung des Elementes Ceased EP0027101A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH894879 1979-10-04
CH8948/79 1979-10-04

Publications (2)

Publication Number Publication Date
EP0027101A2 true EP0027101A2 (de) 1981-04-15
EP0027101A3 EP0027101A3 (de) 1981-05-27

Family

ID=4346629

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80810307A Ceased EP0027101A3 (de) 1979-10-04 1980-10-03 Gefäss, insbesondere Gärungsgefäss, Herstellungsverfahren des genannten Gefässes, Element zur Ausführung des Verfahrens und Strangpressmatrize zur Herstellung des Elementes

Country Status (1)

Country Link
EP (1) EP0027101A3 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2130620A (en) * 1982-11-12 1984-06-06 Lochransa Ltd Domed building
WO1992017125A2 (en) * 1991-04-01 1992-10-15 Board Of Regents, The University Of Texas System Multilayer protective coverings with a sealing solution
WO2009022923A1 (en) * 2007-08-14 2009-02-19 Peterken (As A Trustee Of The Peterken Family Trust), Neil, Terry A structure

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1705338A (en) * 1927-12-30 1929-03-12 Warford Construction Company Silo and stave therefor
US2052934A (en) * 1936-01-06 1936-09-01 Richard E Mire Bin
FR943068A (fr) * 1947-03-12 1949-02-25 Silo perfectionné
US3443347A (en) * 1968-03-22 1969-05-13 Concrete Dev Corp Structures made from polyester resin concrete
FR2384083A1 (fr) * 1977-03-17 1978-10-13 Fiabane Francois Procede de construction prefabriquee de bassins cylindriques en beton arme et bassins realises suivant ledit procede
FR2403437A1 (fr) * 1977-06-01 1979-04-13 Vidal Henri Mur en terre armee a parement incline et ouvrage de stockage en comportant application
FR2416992A1 (fr) * 1978-02-14 1979-09-07 Simon Alexandre Procede de construction des cellules de stockage carrees ou rectangulaires avec des elements prefabriques en beton arme

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1705338A (en) * 1927-12-30 1929-03-12 Warford Construction Company Silo and stave therefor
US2052934A (en) * 1936-01-06 1936-09-01 Richard E Mire Bin
FR943068A (fr) * 1947-03-12 1949-02-25 Silo perfectionné
US3443347A (en) * 1968-03-22 1969-05-13 Concrete Dev Corp Structures made from polyester resin concrete
FR2384083A1 (fr) * 1977-03-17 1978-10-13 Fiabane Francois Procede de construction prefabriquee de bassins cylindriques en beton arme et bassins realises suivant ledit procede
FR2403437A1 (fr) * 1977-06-01 1979-04-13 Vidal Henri Mur en terre armee a parement incline et ouvrage de stockage en comportant application
FR2416992A1 (fr) * 1978-02-14 1979-09-07 Simon Alexandre Procede de construction des cellules de stockage carrees ou rectangulaires avec des elements prefabriques en beton arme

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2130620A (en) * 1982-11-12 1984-06-06 Lochransa Ltd Domed building
WO1992017125A2 (en) * 1991-04-01 1992-10-15 Board Of Regents, The University Of Texas System Multilayer protective coverings with a sealing solution
WO1992017125A3 (en) * 1991-04-01 1992-12-10 Regent The University Of Texas Multilayer protective coverings with a sealing solution
WO2009022923A1 (en) * 2007-08-14 2009-02-19 Peterken (As A Trustee Of The Peterken Family Trust), Neil, Terry A structure

Also Published As

Publication number Publication date
EP0027101A3 (de) 1981-05-27

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