EP3206970B1 - Site de stockage servant au stockage d'hydrocarbures facilement volatils - Google Patents

Site de stockage servant au stockage d'hydrocarbures facilement volatils Download PDF

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Publication number
EP3206970B1
EP3206970B1 EP14799100.4A EP14799100A EP3206970B1 EP 3206970 B1 EP3206970 B1 EP 3206970B1 EP 14799100 A EP14799100 A EP 14799100A EP 3206970 B1 EP3206970 B1 EP 3206970B1
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EP
European Patent Office
Prior art keywords
container
vapor
storage
storage facility
floating
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.)
Not-in-force
Application number
EP14799100.4A
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German (de)
English (en)
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EP3206970A1 (fr
Inventor
Heinrich Imhof
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IMHOF, HEINRICH
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Imhof Heinrich
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Publication date
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Publication of EP3206970A1 publication Critical patent/EP3206970A1/fr
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Publication of EP3206970B1 publication Critical patent/EP3206970B1/fr
Not-in-force 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
    • B65D88/34—Large containers having floating covers, e.g. floating roofs or blankets
    • B65D88/42—Large containers having floating covers, e.g. floating roofs or blankets with sealing means between cover rim and receptacle
    • 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
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • 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
    • B65D88/02—Large containers rigid
    • B65D88/06—Large containers rigid cylindrical
    • 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
    • B65D88/34—Large containers having floating covers, e.g. floating roofs or blankets
    • B65D88/40—Large containers having floating covers, e.g. floating roofs or blankets with support for aground cover
    • 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
    • B65D90/12—Supports
    • 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
    • B65D90/28—Means for preventing or minimising the escape of vapours
    • 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
    • B65D90/32—Arrangements for preventing, or minimising the effect of, excessive or insufficient pressure

Definitions

  • the present invention relates to a storage facility for storage of volatile hydrocarbons with at least one serving as a storage container vertical round container according to the preamble of claim 1.
  • Such a deposit with a vertical round container is from the WO 2008/025454 A1 known.
  • the round container described has a liquid surface covering, floating cover.
  • the cover is sealed against the container wall by means of flexible sealing elements and has on its underside at least one open to the liquid chamber, are enclosed in the gaseous media / vapors.
  • Facilities are provided which determine the immersion depth of the cover.
  • supply / discharge lines are provided with which the amount of the gaseous medium in the at least one chamber is variable.
  • the supply / discharge lines for the gaseous medium are connected to a central unit, which is provided outside the container space.
  • a first problem area are steam leaks in special operating situations, the extreme heating of the contents of the storage tanks on summer days, the Inadvertent discharge of air or vapors with tank filling (eg during ship unloading or from the pipeline), the introduction of warmed storage products and the release of stored products.
  • a second problem area is that the container volume can not be fully utilized because the floating cover loses its emission-limiting effect as soon as the liquid level in the container drops below the support height of the floating cover supporting the floating cover at the bottom of the container.
  • a safety valve opens to protect against vacuum and to prevent possible destruction of the floating cover.
  • air from the atmosphere replaces the removed storage liquid and, in the event of subsequent filling of the container, forcibly leads to vapor emissions which amount to up to one kilogram of stored product per cubic meter of air. Therefore, the loss of storage volume is about 10% to 15%.
  • the third problem to be mentioned is that in order to minimize the emissions mentioned above in the context of the second problem area, in particular floating roof tanks (which do not have a fixed tank roof) height-adjustable floating roof supports are provided with which the floating roof is supported at low liquid level at the bottom of the tank.
  • the roof supports are moved to a higher position so that they protrude only about 1 m from the bottom of the floating cover; The distance between tank bottom and deepest floating roof position is only about 1 m and the tank volume is better usable.
  • the roof supports Prior to planned repairs to the container, the roof supports are moved with the container filled so that they hold the floating roof in a high position about 2 m above the tank bottom. Adjusting the floating roof supports involves risks for the installation personnel and fire hazards.
  • a further, fourth problem area is to be seen in that after a full emptying of the container for a designated repair, the gas space must be degassed under the floating cover. For this purpose, external companies are needed, which suck and burn the vapors from the dead space of the container. This work can take several weeks for larger containers and leads to enormous cost and security risks. In addition, during the last combustion phase of this work, as the concentration of vapors decreases, a foreign gas must be mixed prior to incineration, a measure required for environmental reasons.
  • Another fifth problem area is the fact that the enormous expense of emptying the container not only leads to enormous costs and risks, but also represents a major impediment to a flexible re-allocation of the tank space for a possible product change. This is in contrast to today's demand that tank farms must be very flexible to changing storage needs designed to rent the existing storage volumes well.
  • the present invention is based on a storage for the storage of volatile hydrocarbons with at least one serving as a storage container vertical round container, the round container is equipped with a liquid surface covering, floating cover in the form of a floating roof or a floating cover; the annular space formed between the cover and the container wall is sealed by means of flexible sealing elements.
  • the floating cover fittings are integrated for the automatic control of the pressure and the negative pressure in the space below the cover.
  • the present invention is based on the object, the above-mentioned emissions and fire risks drastically to reduce. Furthermore, the storage space is to be made almost 100% usable and the flexibility of the storage space for product re-allocations can be increased. It should also be possible to make emissions usable for energy purposes.
  • the invention is characterized in that the fittings of the at least one round container are connected to a Dämperneitung, which is guided at the upper edge of the container (preferably over the upper edge of the container) and in turn connected to a separate vaporizer reservoir, the Buffers of vapors which under certain operating conditions must be supplied or removed from the space under the cover.
  • the round tank and the vapor expansion tank form a closed system, whereby a complete separation between atmosphere and storage product takes place.
  • the fittings are designed to protect the space below the floating cover against overpressure as well as against a potential vacuum.
  • the Dämperneitung within the round container has a vertically extending portion which is formed as a bellows and which expands or contracts depending on the floating height of the floating cover. Because of this bellows, the ducting is extended or shortened according to the position of the floating cover as a result of container filling.
  • the bellows of the ducting surround a fixed support and that the bellows be secured to the upper end of the support.
  • the attachment point of the bellows to the carrier forms a fixed reference point for the bellows.
  • the lower end of the bellows is preferably attached to a structural part of the floating roof and changes with the floating position of the floating roof.
  • the support which surrounds the bellows, is simultaneously formed as sampling, Peil-, measuring and / or guide tube or as a roof support, whereby at the same time the vertical passage of the carrier is sealed by the floating cover.
  • the bellows is already present on some containers today, since the vertical ducts through the floating cover today represents the largest emission source on the container.
  • the Dämimineitung can be performed within a round container along a roll ladder.
  • a roller ladder is pivotally connected to the region of the upper edge of the round container while the lower end is provided with rollers and rolls along a runway resting on the floating cover. With changing floating height of the floating roof, the roller ladder changes its inclination, the rollers are always guided along the runway.
  • the Rolleiter represents a stable support for the dairy line.
  • the vaporizer reservoir is preferably one having a flexible diaphragm on which a ballast weight acts. About the size of the ballast weight used, the necessary pressure in the space of the expansion tank can be adjusted.
  • annular space between the floating cover, the container wall and an edge seal above the liquid surface should be connected to the space below the floating cover to dissipate also from this annulus accumulating there vapors.
  • the invention is preferably to be used when the deposit comprises several storage containers.
  • these storage containers are connected to a common vaporizer reservoir.
  • the vaporizer surge tank with its ballast weight should be designed to avoid negative pressure in the space below the cover by supplying vapors into this space, and should also be designed to have a given gauge pressure in this space below the cover by absorbing vapors from the room.
  • a fan can be arranged in the dimming line, which is controlled by pressure sensors in the tank container below the floating cover.
  • the invention also relates to a storage facility with a plurality of storage containers, wherein these storage containers are subdivided into at least two groups, wherein the assignment to the at least two groups takes place after their pressure exerted on the liquid via the floating cover.
  • Each storage container in a group is associated with a vaporizer reservoir adapted to this pressure.
  • the different vaporizer reservoirs are connected via a vapor equalization line into which a booster blower for delivering vapors from the low pressure vaporizer reservoir to the higher pressure vaporizer reservoir is inserted.
  • the remaining in the lowest position of the floating cover of the round container between the floating cover and the container bottom space is connected to a Speller thoroughlykeitsvorrat and existing in the remaining space after emptying of the container hydrocarbon vapors by introducing the rinsing liquid into the round container to Support height of the floating cover to the vaporizer reservoir to be dissipated.
  • water or storage liquids can be used as the rinsing liquid be used with low vapor pressure from other storage containers of the deposit.
  • the round container which is in FIG. 1 shown in cross-section and designated by the reference numeral 1, represents an open floating roof tank and comprises a container bottom 2 and a vertical container wall 3.
  • the located in the container space 4 liquid (volatile hydrocarbons) is covered by a floating cover 5.
  • the floating cover 5 is supported by a ring pontoon 6 above the liquid distributed around the peripheral portion of the floating cover 5.
  • the remaining between the outer wall 7 of the floating cover 5 and the inside of the container wall 3 annular space 8 is closed by flexible sealing elements 9, so that on the one hand no rainwater can penetrate into the space below the floating cover 5 and on the other no vapors from the room below can escape the floating cover 5, wherein, as indicated in the figure, such vapors also accumulate in the annular space 8 above the liquid surface 10.
  • the floating cover 5 On the underside of the floating cover 5 is distributed over the surface of a plurality of supports 11, with which the floating cover 5 rests on the container bottom 2, when the storage liquid is emptied to a residual volume from the container 1. After the then remaining liquid is completely emptied from the container 1 and the space 4 between the container bottom 2 and floating cover 5 is degassed, the floating cover can also be inspected and maintained from the bottom.
  • Both valves 12, 13 are connected via a Dämbsteitung 14 with a vapor compensating tank 15 outside of the round container 1.
  • the Dämperneitung 14 includes within the container space a vertically extending portion which is formed as a bellows 16.
  • This bellows 16 extends or shortens depending on the floating height of the floating cover 5, as indicated in the lower part of the bellows 16.
  • the bellows 16 surrounds a fixed support 17, which is connected by means of brackets 18 at its lower and at its upper end to the container wall 3.
  • This support 17 is additionally designed as a sampling, direction finding and measuring tube, to which it is provided in the longitudinal direction with a series of evenly spaced holes 19, which guarantee that the level divider in the dip tube gives the correct values.
  • the lower end of the bellows 16 is attached to an enlarged housing part 20a of the jacket tube 20 for Peilrohr trim arrangement.
  • the vaporizer surge tank 15 includes a flexible membrane 21 with a ballast weight 22 acting thereon, which establishes the pressure in the equalization space 23.
  • the vapors expansion tank 15 is designed with the ballast weight 22, taking into account the flow resistance of the Dämperneitung 14 so that it avoids a negative pressure in the space 4 below the cover 5 by supplying vapors in the required amount and time in this space 4, and is on the other hand also designed so that it avoids a predetermined overpressure in this space 4 below the cover 5 by absorbing vapors in the required amount and time from the room 4.
  • the necessary pressure equalization is ensured by the pressure relief valve 12 and the vacuum valve 13.
  • the vacuum valve 13 has an operating rod 24 which is made longer than the length of the supports 11, so that the end of this operating rod 24 with the container bottom 2 of the round container 1 comes into contact before the floating cover 5 with the supports 11 on the ground gets up. Thereby, the negative pressure valve 13 is actuated by the operating rod 24 before the floating cover 5 rests on the container bottom 2 with the supports 11, whereby the steam supply is ensured from the vapors expansion tank.
  • this annular space 8 is over at least one further insulation line 25 connected to the container space 4.
  • FIG. 2 In contrast to FIG. 1 is in FIG. 2 another cross-section of a vertical round container 1 is shown, which in its essential structure the round container 1 of FIG. 1 equivalent.
  • the Dämperneitung 14 is guided along a roller ladder 27.
  • the roller ladder 27 is pivotally mounted on a bracket, which is designated 18 'and rolls with its free lower end by means of rollers 27' on a guide track 26 which rests on the floating cover 5, so that the roller ladder 27 when the floating height of the floating cover 5 changes along the guide track 26 can move.
  • the Dämperneitung 14, which is designed in this embodiment as a flexible hose is thereby guided on the roller ladder 27.
  • a roller ladder 27 is usually present on containers without a fixed roof, so that this roller ladder 27 is used as a guide element for the dairy line 14.
  • FIG. 3 an embodiment is shown with that of the FIG. 1 is comparable; However, the round container 1 with an additional fixed roof. 8 fitted. Through this fixed roof 8, the interior of the round container 1 and thus the floating cover 5 is protected against rainfall, so that the floating cover 5 must carry no precipitation and no ring pontoon needed.
  • the construction of the Dämimineitung 14 with the designed as a bellows 16 vertical portion surrounding the serving as a sighting tube 17 fixed support 17 is identical to the arrangement of FIG. 1 ,
  • the illustrated in cross section vertical round container 1 of FIG. 4 corresponds to the one of FIG. 3
  • the floating cover 5 is designed as a lightweight link construction. This embodiment is used when a réelleschwimmdecke is subsequently introduce into a closed container through the Mantelmannloch.
  • FIG. 5 By way of example, a deposit is shown in a schematic representation with three storage containers, the upper storage container being one with a fixed roof and with a lightweight floating cover 5b, correspondingly FIG. 4 , the middle storage container is one with fixed roof and paving ceiling, according to FIG. 3 , while the lower storage container is an open storage container with floating cover, a so-called floating roof tank, respectively FIG. 1 , is.
  • the respective Dämpfetechnischen 14, which are associated with the individual storage containers, are connected to the compensation chamber 23 of a common vapor compensating tank 15.
  • a booster fan 29 is inserted in one of the Dämperneitonne 14, which is associated with the uppermost storage container with lightweight floating cover 5 b. This is required because the lightweight floating ceiling 5 b can not exert the necessary gas pressure to automatically press vapors from the room 4 in the gas space 23 of the vaporizer tank 15. In the event of a negative pressure in grassy space 4 when the storage container is emptied, vapors from the vapors expansion tank 15 automatically flow back into the gas space 4 when the valves 30 are closed and the valve 32 is open in the bypass line 31.
  • the shut-off valves 33 are always open during normal operation of the deposit and are only required if one of the storage containers is operationally separate from the rest of the storage facility.
  • the volume of the expansion chamber 23 of the vapor expansion tank 15 can be increased or decreased by the flexible membrane 21 in a suitable manner, wherein the pressure in the dummy line 14 corresponds to the set via the ballast weight 22 pressure in the expansion chamber 23.
  • a gas utilization / combustion device 34 connected to the vapor recovery tank 15 may be provided for further recovery or combustion of the gases.
  • FIG. 6 is a schematic representation of another deposit shown, the example shows four storage containers, which are grouped into two groups, each with two storage containers.
  • Each group of two storage containers is a vapors-expansion tank 15a, 15b, which is connected to the Dämompeititch 14 assigned.
  • the volume of the two vapor expansion tanks 15a, 15b for both groups of storage containers are connected to each other via a vapor equalization line 35, into which a booster 29 with an associated bypass line 31 and the shut-off valves 30 and the other shut-off valve 32, comparable to the arrangement of FIG. 5 that is associated with the upper storage bin is inserted.
  • vapors from the low-pressure vaporizing surge tank 15a to the higher-pressure vaporizing surge tank 15b are conveyed according to the requirements.
  • the gas pressures in the vapor equalizing tanks 15a and 15b can be adjusted to the possible gas pressures in the gas spaces 4 of the different own weight storage tanks of the respective floating covers 5, 5a, 5b, 5c, so that the required exchange of product Steaming can be done automatically and without risks to the respective storage containers and floating covers.
  • FIG. 6 another construction of a lightweight floating ceiling is shown in the container 1b. It is a floating cover made of GRP plastic, with a basis weight of 150 - 200 N / m 2 (15 - 20 Kp / m 2 ). Alone Fig. 6 shown floating covers have a different basis weight, resulting in the different dimensions for the gas pressures in the damping accumulators 15a and 15b arise.
  • the floating roof in the container 1 may have basis weights between 600 and 1000 N / m 2 (60 and 100 Kp / m 2 ).
  • the internal floating ceiling in the container 1a may have basis weights between 400 and 600 N / m 2 (40 and 60 Kp / m 2 ).
  • the lightweight aluminum swimming blanket in the container 1c has only a basis weight below 100 N / m 2 (10 Kp / m 2 ) and thus can not produce high gas pressure under the floating blanket. In the construction of the FIG. 6 it is sufficient to assign only one of the two vapors equalization tank 15, a gas utilization / gas combustion device 34.
  • a common rinsing liquid container 36 is shown for all storage containers, from which, after emptying a storage container 1, 1a, 1b, 1c, a suitable rinsing liquid (water, fuel oil, diesel, middle distillate, slop, etc.) into the space 4 under the floating cover 5, 5a, 5b, 5c, whereby the vapors in the space 4 are forced into a vaporizer tank 15, 15a. Subsequently, the valve 33 is closed and the vent valve 41 is opened at the outlet of the container and the rinsing liquid is pumped back into the rinsing liquid container 36.
  • a suitable rinsing liquid water, fuel oil, diesel, middle distillate, slop, etc.
  • the reference numerals 37, 38, 39 and 40, a pump 37, bypass lines 38 and valves 39 and 40 are shown, with which the flushing liquid can be conveyed in different directions with appropriate switching of the valves.
  • the valves 39 are opened and the valves 40 are closed, the rinsing liquid is conveyed to the storage container 1, 1a, 1b, 1c, and when the valves 40 are opened and the valves 39 are closed, the rinsing liquid is conveyed back to the rinsing liquid container.
  • the flushing of the spaces 4 under the floating cover 5, 5a, 5b, 5c saves the camp operator the costly and time-consuming liberation of the rooms 4 of combustible and hazardous vapors before inspections and repairs in the rooms 4 under the floating cover.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Claims (13)

  1. Site de stockage, pour le stockage d'hydrocarbures légèrement volatils, comprenant au moins un réservoir cylindrique (1) vertical servant de conteneur de stockage, lequel est pourvu d'un couvercle flottant (5) couvrant la surface liquide sous la forme d'un toit flottant ou d'un plafond flottant, dans lequel un espace annulaire (8) entre un couvercle (5) et une paroi (3) du conteneur est rendu étanche au moyen d'éléments de joint (9) flexibles et dans lequel, dans le couvercle (5), des robinets (12, 13) pour le contrôle automatique de la surpression et de la dépression sont intégrés dans l'espace (4) situé sous le couvercle (5), caractérisé en ce que les robinets (12, 13) dudit au moins un réservoir cylindrique (1) sont raccordés à une conduite de vapeur (14) sortant du conteneur à l'extrémité supérieure et elle-même raccordée à un réservoir de compensation de vapeur (15) séparé, dans lequel le réservoir cylindrique (1) et le réservoir de compensation de vapeur (15) forment un système fermé.
  2. Site de stockage selon la revendication 1, caractérisé en ce que la conduite de vapeur (14) présente une section à extension verticale à l'intérieur du réservoir cylindrique (1), réalisée comme un soufflet (16) et s'expansant ou se contractant en fonction de la hauteur de flottement du couvercle flottant (5).
  3. Site de stockage selon la revendication 2, caractérisé en ce que le soufflet (16) entoure un support (17) fixe et en ce que le soufflet (16) est fixé à l'extrémité supérieure du support (17).
  4. Site de stockage selon la revendication 3, caractérisé en ce que le support (17) est réalisé comme conduite de prélèvement d'échantillon, de sondage, de mesure et/ou conduite de guidage ou comme support de toit.
  5. Site de stockage selon la revendication 1, caractérisé en ce que la conduite de vapeur (14) est guidée le long d'un escalier roulant (27) à l'intérieur du réservoir cylindrique (1).
  6. Site de stockage selon l'une des revendications 1 à 5, caractérisé en ce que le réservoir de compensation de vapeur (15) comprend une membrane (21) flexible avec une masse de lestage (22) agissant sur celle-ci.
  7. Site de stockage selon l'une des revendications 1 à 6, caractérisé en ce que des dispositifs de valorisation de vapeur et/ou de combustion de vapeur (34) sont raccordés au réservoir de compensation de vapeur (15).
  8. Site de stockage selon l'une des revendications 1 à 7, caractérisé en ce que plusieurs des conteneurs de stockage (1) sont raccordés au réservoir de compensation de vapeur (15).
  9. Site de stockage selon l'une des revendications 1 à 8, caractérisé en ce que le réservoir de compensation de vapeur (15) avec sa masse de lestage (22) est prévu compte tenu des résistances à l'écoulement de la conduite de vapeur (14), de manière à empêcher une dépression dans l'espace (4) en dessous du couvercle (5), en conduisant les vapeurs vers cet espace (4) en quantité et en temps exigés, et est prévu de manière à empêcher une surpression définie dans cet espace (4) en dessous du couvercle (5), en recevant les vapeurs de l'espace (4) en quantité et en temps exigés.
  10. Site de stockage selon l'une des revendications 1 à 8, caractérisé en ce qu'une soufflante (29) assistant le refoulement des vapeurs vers le réservoir de compensation de vapeur (15) est disposée dans la conduite de vapeur (14), et est commandée au moyen de capteurs de pression dans le réservoir (1) en dessous du couvercle flottant (5).
  11. Site de stockage selon l'une des revendications 1 à 10, caractérisé en ce que plusieurs conteneurs de stockage (1) sont répartis en au moins deux groupes en fonction de la pression exercée par le couvercle flottant (5, 5a, 5b, 5c) sur le liquide, en ce qu'à chaque groupe est affecté un réservoir de compensation de vapeur (15a, 15b) adapté à ladite pression et en ce que les différents réservoirs de compensation de vapeur (15a, 15b) sont reliés par une conduite de compensation de vapeur (35) dans laquelle est introduite une soufflante à élévation de pression (29) pour le refoulement de vapeurs du réservoir de compensation de vapeur (15a) à basse pression vers le réservoir de compensation de vapeur (15b) à haute pression.
  12. Site de stockage selon l'une des revendications 1 à 11, caractérisé en ce que l'espace résiduel (4) dans la position la plus basse du couvercle flottant (5) du réservoir cylindrique (1) entre le couvercle flottant (5) et le fond (2) du réservoir est raccordé à un réservoir de liquide de rinçage (36) et en ce que les vapeurs d'hydrocarbures présentées dans l'espace résiduel (4) après vidange du réservoir (1) sont évacuables vers le réservoir de compensation de vapeur (15) par refoulement du liquide de rinçage dans l'espace (4).
  13. Site de stockage selon la revendication 12, caractérisé en ce que de l'eau ou des liquides de stockage à faible pression de vapeur provenant d'autres conteneurs de stockage (1) du site de stockage sont utilisés comme liquide de rinçage.
EP14799100.4A 2014-10-16 2014-10-16 Site de stockage servant au stockage d'hydrocarbures facilement volatils Not-in-force EP3206970B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2014/002792 WO2016058622A1 (fr) 2014-10-16 2014-10-16 Site de stockage servant au stockage d'hydrocarbures légèrement volatils

Publications (2)

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EP3206970A1 EP3206970A1 (fr) 2017-08-23
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US10905143B2 (en) * 2017-08-26 2021-02-02 Intelligent Malt, LLC Granular material processor
CN110194331B (zh) * 2019-06-27 2024-04-12 华陆工程科技有限责任公司 一种钢制单盘浮顶用多功能呼吸系统
CN110594571B (zh) * 2019-09-17 2024-05-28 华陆工程科技有限责任公司 一种带油汽回收功能的钢制浮顶用自动通气阀
TWI701200B (zh) * 2020-01-08 2020-08-11 璟鎧企業有限公司 運用框架軌道方式連結的油槽浮頂裝置
CN114435786B (zh) * 2020-10-31 2023-07-28 中国石油化工股份有限公司 一种具有缓存挥发油气功能的储罐及储存系统
AT525916B1 (de) 2022-04-08 2023-09-15 Patent & Founder Factory Gmbh Speicheranlage zum Speichern eines pumpfähigen Füllmediums

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EP3206970A1 (fr) 2017-08-23
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