EP3191380A1 - Leckschutzauskleidung für einen tank, verfahren zu deren einbringen und verfahren zum sanieren eines tanks - Google Patents
Leckschutzauskleidung für einen tank, verfahren zu deren einbringen und verfahren zum sanieren eines tanksInfo
- Publication number
- EP3191380A1 EP3191380A1 EP15771851.1A EP15771851A EP3191380A1 EP 3191380 A1 EP3191380 A1 EP 3191380A1 EP 15771851 A EP15771851 A EP 15771851A EP 3191380 A1 EP3191380 A1 EP 3191380A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tank
- protection lining
- sheath
- leak
- support frame
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 41
- 239000012530 fluid Substances 0.000 claims description 22
- 125000006850 spacer group Chemical group 0.000 claims description 18
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 239000000565 sealant Substances 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 description 8
- 239000007921 spray Substances 0.000 description 8
- 238000012544 monitoring process Methods 0.000 description 4
- 239000002985 plastic film Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000003570 air Substances 0.000 description 2
- 239000006261 foam material Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000005067 remediation Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 241000251730 Chondrichthyes Species 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/02—Wall construction
- B65D90/04—Linings
- B65D90/046—Flexible liners, e.g. loosely positioned in the container
-
- 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
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/02—Wall construction
- B65D90/04—Linings
-
- 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
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/22—Safety features
- B65D90/24—Spillage-retaining means, e.g. recovery ponds
-
- 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
- B65D2590/00—Component parts, details or accessories for large containers
- B65D2590/0075—Repairing or refitting kit
-
- 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
- B65D2590/00—Component parts, details or accessories for large containers
- B65D2590/02—Wall construction
- B65D2590/023—Special coating or treatment of the internal surface
-
- 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
- B65D2590/00—Component parts, details or accessories for large containers
- B65D2590/02—Wall construction
- B65D2590/04—Linings
- B65D2590/043—Flexible liners
- B65D2590/046—Bladders
-
- 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
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/10—Manholes; Inspection openings; Covers therefor
Definitions
- the present invention relates to a leakage protection lining for a tank, a method for its introduction into the tank and a method for refurbishing a tank by means of such a leak protection lining.
- a method for introducing such leak protection liners into the tank according to the preamble of claim 1 and such a leak protection lining according to the preamble of claim 12 are known from US 2011/0305409 AI.
- Leak-proof linings are used for refurbishing leaky tanks or retrofitting single-walled tanks with double-wall leak detection. In the latter, a cavity between the liner and tank wall is established with a spacer layer between the liner and tank wall, evacuated, and monitored for a pressure change indicative of a potential leak.
- the invention has for its object to provide a leak protection lining and a method for its introduction into a tank, which overcome the said disadvantages of the prior art.
- a collapsible casing adapted to the inner shape of the tank and provided with a support frame made of pressurizable hose segments, which in the pressurized state, the shell can span at least approximately to the said inner shape;
- Which method according to the invention is characterized in that the shell is inflated after or already during the pressurization (s) of the scaffold with a comparatively lower pressure or slower or with a time delay.
- a fixed to the shell or integrated therein pressurizable scaffold is used, which - when it with a pressurized fluid such as air, gas, liquid, foam or the like. is filled - the inner shape of the tank approaches and thus pulls the envelope into this shape or tensioned.
- a pressurized fluid such as air, gas, liquid, foam or the like.
- the invention obviates the need for separate auxiliary structures for pre-positioning the shell and achieves perfect alignment of the shell for the subsequent (or assistive already started) inflation process which applies the leak-resistant liner to all interior sides of the tank through the self-erecting scaffold.
- the process of the invention can be performed in a few steps and requires only a separate source of pressurized fluid for the scaffold to pressurize it earlier, harder or faster than the envelope.
- the pressurized fluid source for the scaffold may be, for example, a pneumatic compressor or a hydraulic pump or over corresponding fluid circuits are derived from the source of pressurized fluid which serves to inflate the envelope.
- At least some of the tube segments of the scaffold are separately pressurizable and connected to separately controllable pressure fluid sources, so that the scaffold can be selectively erected successively.
- the scaffold can in particular have at least one straight tube segment, which, for example, comes to lie along the bottom of a horizontal cylindrical or parallelepipedic tank, and at least two normally extending annular tube segments which are pressurized, for example, only after the pressurization of the straight tube segment and so pull up the case.
- a preferred embodiment of the leak-proofing liner having at least two further annular tubular segments closely adjacent to each other to form an annular gap is capable of receiving a reinforcing rib therebetween to sandwich the shell Damage caused by the reinforcement bar.
- Tube segments which come to lie at the locations of webs, gaps, etc. of the tank inner wall, can optionally also be foamed out after the erection of the scaffold in order to protect the casing there permanently.
- Tube segments without such a permanent protective function are preferably evacuated after erecting the scaffold and inflating the sheath so that they collapse and do not consume valuable tank interior.
- the sheath also has a neck for lining a dome of the tank and is introduced into the tank via the dome in a collapsed and / or coiled state and secured with its neck to the tank dome.
- the scaffold has a collar-shaped tube segment, which is located at the base of the shark to the Protecting or reinforcing the casing at the transition between tank and tank dome.
- the envelope is preferably made of an airtight film, in particular plastic film, and provided on its outer side with a spacer layer.
- the spacer layer can be formed, for example, by nubs that are applied or formed on the film or by an air-permeable nonwoven.
- the casing can be provided on its outside with a suction line, which opens into the spacer layer at the bottom of the tank, for example, at the bottom of the tank, and a pressure measuring line, which opens into the spacer layer, in particular at the top of the tank between casing and tank wall be.
- the invention also provides a method of completely refurbishing a tank without the need to get into the tank by applying a sealing and / or anti-corrosive layer to the interior surface of the tank prior to introduction of the leak-proofing liner.
- a sealing and / or anti-corrosive layer to the interior surface of the tank prior to introduction of the leak-proofing liner.
- said layer is sprayed by a robot or robotic arm placed in the tank, allowing for a completely "unmanned" remediation process, i.e. without the need for dangerous tank operation.
- any leaking areas of the tank can be filled with a sealant by means of the robot or robot arm before applying the layer.
- a sealing and / or corrosion-protecting layer a sprayable and self-hardening epoxy resin is preferably used which can be sprayed, for example, via spray nozzles of the robot or robotic arm.
- the casing can additionally be provided with an inner coating or inner casing to increase its chemical resistance, in particular gasoline resistance.
- the inner coating or sheath may have already been applied to the inner side of the casing or inserted into it prior to the introduction of the leak protection lining, or may also be applied to the inner side or inflated therein after the leakage protection lining has been mounted in the tank in a separate step.
- the invention provides a leak-proof lining for a tank, comprising a collapsible shell adapted to the inner shape of the tank to be lined, which is provided with a support frame of pressurizable tube segments, which in the pressurized state, the shell at least approximately to said inner shape - Tension, according to the invention, the scaffold is connected to at least a first source of pressurized fluid and the shell to a second source of pressurized fluid with comparatively lower pressure or slower or later pressure build-up.
- FIGS. 1 and 2 show in schematic longitudinal section the method and the leakage protection lining of the invention during introduction into a tank at various stages;
- FIG. 3 shows the leak protection lining of FIGS. 1 and 2 in a schematic perspective view
- FIG. 4 shows the engagement of the leak protection lining of FIG. 3 in the region of a reinforcing web of the tank in an enlarged sectional view
- FIG. 5 shows the dome of the tank of FIGS. 1 and 2 in a plan view.
- a tank 1 is shown, as used for example as an underground fuel storage in gas stations.
- the tank 1 has a tank wall 2 with, for example, the shape of a cuboid or (here :) a lying cylinder with cambered ends 3, 4 and a dome 5, via which the tank can be entered.
- the opening 6 of the tank dome 5 is just sufficient, for example about 60 cm in diameter.
- the tank 1 can have a volume of 10 - 50 m 3 or more. Conventional installations such as level sensors, vents, reinforcing webs, etc. of the tank 1 are not shown in FIGS. 1 and 2 for clarity.
- a leak protection lining 7 is shown, which is introduced into the tank 1 to line this.
- the leak protection lining 7 can be used, for example, for sealing a tank 1 which has become impervious or in order to make it resistant to aggressive liquids to be absorbed.
- the leakage protection lining 7 has a flexible, collapsible and cleansingetzblasbare shell 8 made of a suitable material for the purposes mentioned, for example, from a plastic film made of PVC or the like. with a wall thickness of e.g. 1 - 3 mm.
- the sheath 8 is as well as possible adapted to the inner shape of the tank 1 to be lined and also equipped with an (optional) neck 9, which lines the dome 5 of the tank 1 and, for example, with an intermediate ring, flange or the like. can be attached to the upper end of the dome 5.
- the casing 8 can additionally be provided with an inner coating or inner casing for increasing its chemical resistance, for example gasoline resistance, for example with a polyamide coating, which may also be added later, after mounting the leak protection lining 7 in the tank 1, applied inside or can be inflated therein.
- the leak-proofing lining 7 can be used not only for refurbishing or increasing the resistance of a tank 1, but in particular also for constructing a double-wall leak protection monitoring system by keeping the shell 8 at a small distance from the inside of the tank wall 2, in order therebetween to form a cavity 10.
- the cavity 10 can be set during operation of the tank 1 under reduced pressure (evacuated) or overpressure (pressurized) and monitored by means of a pressure measuring device to constant pressure, so that an increase in the negative pressure or falling of the overpressure, a leak in the shell 8 and / or the tank wall 2 as known in the art.
- a spacer layer 11 is used, which can be prefabricated with the leak protection lining 7.
- the spacer layer 11 is applied directly to the outside of the casing 8, for example in the form of an air-permeable nonwoven with a wall thickness of 2 to 3 mm.
- the spacer layer 11 could also by a nubbed sheet or directly from the shell 8 formed nubs, ribs or the like. are formed, which establish the cavity 10 between the tank wall 2 and shell 8.
- the leak protection lining 7 can have a suction line 12 which opens out on the outside of the casing 8 into the spacer layer 11, preferably on the underside thereof; and the pressure monitoring of the cavity 10 a preferably at its top opening Druckmess- line 13.
- the suction and the pressure measuring line 13 are led out on the outside or inside of the shell 8 to the neck 9 and the dome 5 from the tank 1 and to a corresponding leakage protection monitoring device (not shown) connected.
- the leak protection lining 7 is introduced into the tank 1 via the dome 5 in a collapsed or pressureless state, in particular folded up and / or rolled up.
- the casing 8 is provided with a support frame 14 made of tube segments 15 - 23, which can be acted upon by a pressure fluid source 24 (FIG. 1) via corresponding connecting lines 25 with a pressurized fluid.
- the pressurized fluid may be compressed air, gas, water, hydraulic oil, foam material, etc., and the pressurized fluid source 24 accordingly, e.g. a compressor, a gas cylinder, a hydraulic pump, a foam reservoir, etc.
- the tube segments 15 - 23 are arranged in the support frame 7, that this roughly approximates the inner shape of the tank 2 in the manner of a net grid.
- a straight tube segment 15 along the longitudinal extension or the bottom of the tank 1 and two annular tube segments 17, 22 arranged at the ends 3, 4 of the tank 1 are used.
- another straight tube segment 16 may be used along the top of the tank 1.
- further annular tube segments 18-21 may be distributed throughout the length of the straight tube segment 15, as discussed in greater detail below.
- a separate, approximately frustum-shaped hose segment 23 can be used around the neck of the neck 9 in order to cover the transition between tank wall 2 and dome 5 of the tank 1, which could otherwise damage the leak-proof lining 7.
- the support frame 14 or the tube segments 15 - 23 may be applied to the inside and / or outside of the shell 8, for example, welded, or directly from the mate- formed rial of the shell 8, for example by folds or folds, which are separated with appropriate welds.
- hose segments 15 - 23 can be pressurized separately from each other or together.
- some or more of the tube segments 15-23 may be internally connected; in the simplest case, a single tube is shaped and laid so that it forms the various tube segments 15 - 23 in one go.
- individual or some of the tube segments 15-23 may be joined together to form a separately pressurizable pressure circuit.
- the pressurized fluid source 24 can have a plurality of outlets or connection lines 25, 25 ', 25 ", which can feed the respective pressure circuits individually, for example, the lower straight tube segment 15 - optionally together with further lateral straight tube segments (not shown) - a first pressure circuit which is pressurized first via a first connecting pipe 25, the (optional) upper straight hose segment 16 a second pressure circuit secondarily pressurized via a second connecting pipe 25 ', and the upstanding annular hose segments 17-22 a third Pressure circuit which is pressurized via a third feed line 25 "as last, later or slower to the support frame 15 successively straighten up.
- FIG. 4 shows an exemplary passage through the neck 9 and the dome 5 for the suction line 12, the pressure measuring line 13, the feed lines 25, 25 ', 25 "for the various pressure circuits of tube segments 15 - 23 and the supply line 27 for inflation the shell 8, which may be formed by the neck itself.
- the support frame 14 can be pressurized separately relative to the interior of the casing 8. After introduction of the leak protection lining 7 into the tank (FIG. 1), first the support frame 14 is erected by applying pressure, and only then is the casing 8 inflated via the neck 9. For this purpose, a second pressure fluid source 26 can be used, which feeds compressed air into the neck 9 of the casing 8 via the connection line 27.
- Support frame 14 are started with the inflation of the shell 8 to carry the weight of the shell 8 (and the optional spacer layer 11).
- the support frame 14 is subjected to an internal pressure of 2-3 bar and at the same time-or with a time delay or with slower pressure build-up-the envelope 8 is inflated with an internal pressure of 1 bar.
- individual groups of tube segments 15-23 interconnected to pressure circuits can be pressurized successively, with different time delay, with different pressures or with different pressure build-up, in order to erect the scaffold 14 successively in the interior of the tank 1 in that the outer side of the casing 8 or the spacer layer 11 slides on the tank inner walls and the leakage protection lining 7 is positioned such that the casing 8 (together with its optional spacer layer 11) correctly engages the inner side of the tank wall 2 during inflation.
- tank 1 inside ribs, webs, projections or the like. has, for example, circumferential inwardly projecting reinforcing ribs 28 as shown in Fig. 5, specially positioned at these locations hose segments 18 - 21 can be used to protect the shell 8 and the spacer layer 11 there.
- Fig. 5 shows a situation in which a pair of annular tube segments 20, 21 between them forms an annular gap 29, which closely receives such a reinforcing web 28 of the tank wall and the sleeve 8 protective distance from the web 28.
- the spacer layer 11 may be between the shell 8 and the tube segments 20, 21 or see between the tube segments 20, 21 and the web 28.
- the scaffold 14 After erecting the scaffold 14 and inflating the envelope 8 to apply it to the inner wall of the tank 1, the scaffold 14 can be evacuated so that its tube segments 15-23 collapse and no interior space in the tank 1 is scrapped.
- Protective tube segments such as the pairs 18/19, 20/21 to the reinforcing webs 28, can be left pressurized or permanently foamed with a self-hardening foam material.
- foamed tube segments can also be used in other locations of gaps, grooves, protrusions, etc., of the tank wall 2, which could injure the leak-proof lining 7, in particular its casing 8.
- Tank 1 upstream step any leaking points of the tank 1 are first repaired and / or provided its inner surface 31 with a sealing and / or corrosion-protecting layer 32.
- a robot 33 (or even a robot arm, not shown) is introduced into the tank 1 via the opening 6 of the tank dome 5 before the introduction of the leak-protection lining 7.
- the robot 33 can be moved autonomously in the tank 1, for example by means of wheels 34, and has e.g. Rotating spray arms 35.
- the spray arms 35 are mounted on a carrier 36 which can be opened out of the robot 33 by means of a pivot bearing 37 and pivoting piston 38 or else can be extended out of the robot 33.
- the robot 33 In the collapsed or retracted state of the carrier 36 with the spray arms 35, the robot 33 can be passed through the opening 6, for example, lowered on a rope. Subsequently, the spray arms 35 are erected or extended by extending the piston 38 and then set in rotation. Supply lines 39 for supplying the spray arms 35 as well as for controlling and driving the robot 33 can be conveyed outward via the opening 6 to a supply line. tion and control device of the robot 33 are guided (not shown).
- a sprayable material e.g. self-hardening epoxy resin
- a camera 40 on the robot 33 can be used for the exact positioning and control of the robot 33.
- any leaks in the inner surface 31, such as cracks, crevices, etc., may optionally be leveled, e.g. with a putty or putty that is applied via corresponding nozzles, spatulas or arms of the robot 33.
- a method of introducing a leak guard liner into a tank comprising:
- Method according to item 1 or 2 wherein when pressure is applied to the scaffold at least two hose segments with different pressure or different speed or different time delay are pressurized.
- Method according to item 9 wherein prior to the application of the layer any leaking points of the tank are filled with the aid of the robot or robot arm with a sealant.
- Method according to one of the items 8 to 10 wherein a sprayable and self-curing epoxy resin is used as the layer.
- Leak-protection lining for a tank comprising a collapsible casing adapted to the inner shape of the tank to be lined, the casing being provided with a support frame of pressurizable hose segments which, when pressurized, span the casing at least approximately to said inner shape.
- Leak-proof lining according to item 13, wherein the support framework to at least a first source of pressurized fluid and the
- Case is connected to a second source of pressurized fluid with comparatively lower pressure or slower or later pressure build-up.
- Leak-proof lining according to item 13 or 14, wherein at least two of the hose segments can be pressurized separately from one another.
- Leakage protection lining according to one of the points 13 to 15, wherein the support frame comprises at least one straight tube segment and at least two normally extending ring-shaped tube segments, preferably at the ends of the straight tube segment.
- Leak-proof lining according to item 16, wherein at least two further annular tube segments, namely two in each case closely adjacent to each other forming an annular gap, are distributed over the length of the straight tube segment.
- Leak protection lining according to item 17, wherein the other annular tube segments are filled with foam in the mounting position of the leak protection lining.
- Leakage protection lining according to any one of items 13 to 19, wherein the sheath has a neck to the lining of a dome of the tank, wherein a collar-shaped tube segment of the support frame is located at the neck of the neck.
- Leak-proof lining according to item 20, wherein the envelope is provided on its outside with a suction line and a pressure measuring line leading to the neck.
- Leak-proof lining according to any one of items 13 to 20, wherein the shell provided with an inner coating or inner shell to increase their chemical resistance
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA50625/2014A AT515803B1 (de) | 2014-09-10 | 2014-09-10 | Leckschutzauskleidung für einen Tank, Verfahren zu deren Einbringen und Verfahren zum Sanieren eines Tanks |
PCT/AT2015/050204 WO2016037201A1 (de) | 2014-09-10 | 2015-08-25 | Leckschutzauskleidung für einen tank, verfahren zu deren einbringen und verfahren zum sanieren eines tanks |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3191380A1 true EP3191380A1 (de) | 2017-07-19 |
EP3191380B1 EP3191380B1 (de) | 2019-10-23 |
Family
ID=54238162
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15771851.1A Active EP3191380B1 (de) | 2014-09-10 | 2015-08-25 | Leckschutzauskleidung für einen tank, verfahren zu deren einbringung |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3191380B1 (de) |
AT (1) | AT515803B1 (de) |
WO (1) | WO2016037201A1 (de) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3320867A1 (de) * | 1983-06-09 | 1984-12-13 | Wülfing und Hauck GmbH + Co KG, 3504 Kaufungen | Verfahren zur erleichterung der montage einer innenverkleidung in einem fluessigkeitstank und dafuer geeignete innenverkleidung |
DE20104828U1 (de) * | 2001-03-20 | 2001-07-05 | Utek Umweltschutztechnologien | Verbindungssystem zur Befestigung einer flexiblen Kunststoffolie zur Leckschutzauskleidung an der Innenseite der Tankwandung eines Lagertanks |
DE102010021690A1 (de) * | 2010-05-27 | 2011-03-31 | Fenotec Gmbh | Verfahren zum Auskleiden eines zylindrischen Lagerbehälters und danach hergestellter Lagerbehälter |
WO2011159818A2 (en) * | 2010-06-15 | 2011-12-22 | Russell David D | Self-supporting bladder system for a double wall tank |
DE202012011477U1 (de) * | 2012-07-25 | 2013-10-29 | Jörn von Bornstädt | Mannloser Einbau Tankinnenhülle |
-
2014
- 2014-09-10 AT ATA50625/2014A patent/AT515803B1/de active
-
2015
- 2015-08-25 WO PCT/AT2015/050204 patent/WO2016037201A1/de active Application Filing
- 2015-08-25 EP EP15771851.1A patent/EP3191380B1/de active Active
Also Published As
Publication number | Publication date |
---|---|
EP3191380B1 (de) | 2019-10-23 |
AT515803A4 (de) | 2015-12-15 |
WO2016037201A1 (de) | 2016-03-17 |
AT515803B1 (de) | 2015-12-15 |
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