WO2009138245A1 - Fluid treatment system with counter current fluidized beds and method for operating the same - Google Patents
Fluid treatment system with counter current fluidized beds and method for operating the same Download PDFInfo
- Publication number
- WO2009138245A1 WO2009138245A1 PCT/EP2009/003483 EP2009003483W WO2009138245A1 WO 2009138245 A1 WO2009138245 A1 WO 2009138245A1 EP 2009003483 W EP2009003483 W EP 2009003483W WO 2009138245 A1 WO2009138245 A1 WO 2009138245A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bulk material
- fluid treatment
- channel
- shaped
- treatment plant
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/0015—Feeding of the particles in the reactor; Evacuation of the particles out of the reactor
- B01J8/002—Feeding of the particles in the reactor; Evacuation of the particles out of the reactor with a moving instrument
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/0015—Feeding of the particles in the reactor; Evacuation of the particles out of the reactor
- B01J8/003—Feeding of the particles in the reactor; Evacuation of the particles out of the reactor in a downward flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/0015—Feeding of the particles in the reactor; Evacuation of the particles out of the reactor
- B01J8/0035—Periodical feeding or evacuation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/08—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with moving particles
- B01J8/12—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with moving particles moved by gravity in a downward flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00743—Feeding or discharging of solids
- B01J2208/00761—Discharging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00743—Feeding or discharging of solids
- B01J2208/00769—Details of feeding or discharging
Definitions
- Fluid treatment plant with countercurrently operated bulk material beds and method for its operation
- a fluid treatment plant consists of one or more juxtaposed, parallel operated bulk bed (s) in which the fluid to be treated flows through a bed of bulk material essentially from the bottom to the top and the bulk material traverses the bulk material bed in countercurrent to the fluid essentially from top to bottom, by arranging at the lower end of the bed of bulk material bulk quantities distributed by lines or rasters. Subtracted bulk material discharge pipes and placed at the upper end of the bulk material bulk goods bulk quantities of the bulk material.
- the invention relates to such generic fluid treatment plants, in which the bulk material beds are interconnected by a common horizontal Schüttgutaus- carrying channel and the bulk material is removable by means of a traction drive via the discharge from the fluid treatment plant.
- Fluid treatment plants of the type mentioned are known from WO 2001/017663 of the applicant, in which a Fluidanström- and bulk material withdrawal floor according to EP 0 257 653 B1 is preferably used.
- the known fluid treatment system 1 comprises a tube channel 2', which is shown cut in FIG. 1 transversely to its longitudinal axis and consists of a multiplicity of moving-bed reactor modules 3 'arranged one behind the other within the tube channel 2' , Parallel to a side wall of the pipe channel 2 'runs a bottom lying inflow channel 4' for untreated fluid and an overlying discharge channel 5 'for treated fluid.
- the fluid to be treated flows via laterally arranged, optionally closable, inlet windows 6 'into a gas distribution space 12' below a feed floor 8 'in each reactor module.
- the fluid to be treated passes into a horizontally extended bulk material bed 9' of approximately uniform height, which consists of e.g. adsorptive or absorptive or catalytically active bulk material particles.
- Discharged bulk material can be discharged via a bulk material discharge trolley 16 'or a conveyor belt running along the pipe channel 2'.
- a chassis 18 ' is provided along the pipe channel 2' within the same movable charging trolley 19 '.
- the charging trolley 19 ' is located just above the illustrated moving-bed reactor module.
- the charging trolley 19 ' is trough-shaped and provided with a multiplicity of grid-shaped outflow funnels 20' which merge into bulk material outlet tubes 14 'at their lower end.
- a horizontally extending dust sheet which serves as a bulk material obturator 23 'and is perforated for this purpose in the respective positions of the mouth ends of Schüttgutauslassrohre.
- the dust plate is horizontally displaceable by approximately an opening width, so that in its second sliding position it closes the mouth ends of the bulk material outlet tubes 14 '. In this way, it is possible to process the charging trolley 19 'via each of the moving-bed reactor modules 3' lying one behind the other in the pipe channel 2 'in order to carry out a bulk material exchange there.
- the dust sheet interrupts the fluid outflow at the upper end of the bulk material bed 9 ', over which the charging wagon 19' is traveling straight away, and the dust sheet travels over the spit zen the bulk material cone, which form by the refilling at the upper boundary of the bulk material bed 9 '.
- a finger-like rod 15B ' arranged parallel to the row of tubes and correspondingly also parallel to the elongated storage area fits undersized between the storage area and the tube mouths and is reversibly movable reversibly from its front ends by a drive between the two side edges 15C of the storage area transversely to its longitudinal extension , In each of these movements of the rod 15 B 'dammed on the storage area under the pipe mouth dammed bulk material on the side edge of the storage area in a collecting container located underneath.
- the latter can be a funnel arrangement, in particular separately for each moving bed reactor module 9 ' , a bulk goods delivery carriage 16 ' passing through a plurality of bulk material reactor modules in a bulk material discharge channel, or else a conveyor belt which can also be located at the outlet end of a funnel arrangement.
- the long-term functionality of these discharge devices has been a guarantee for the trouble-free functioning of generic fluid treatment systems for more than 20 years. For reasons of material properties such discharge devices are limited in length, so that usually for each bulk material bed (moving bed reactor module) finds a self-powered discharge device application.
- a bulk material discharge device in a generic fluid treatment plant, has at least one trough-shaped, channel-shaped storage element.
- the baffle element is arranged below a side-by-side arranged mouth openings of the bulk material withdrawal tubes such that it dammed up the bulk material emerging from these.
- the storage areas within the gutter according to the invention are arranged at a distance from the mouth openings of the bulk material withdrawal tubes (openings), wherein between these spaced apart storage areas openings in the channel, in particular in the form of bottom openings are provided by the dammed up bulk material from the channel-shaped storage element can escape.
- the leakage of the bulk material through the spaced apart openings in the channel is effected by a bulk material slider.
- At least one bulk material slide is received by each storage channel. So that no loose particles can remain in the storage channel for a long time, the bulk material slider is adapted to the channel shape.
- the bulk material slider touches by means of a suitably designed edge all bulk-loaded surface areas of the channel-shaped storage element.
- a bulk material slider of the longitudinal direction of movement of the channel after sliding drive is provided for a bulk material discharge such that the bulk material pusher dumps dammed up bulk material through at least one of the openings from the storage channel.
- a bulk material pusher successively carries a large number of dammed up bulk material quantities via the adjacent soil in the pusher movement direction. hole of the trough, because the slider hits after exceeding such a bottom hole on the next storage area and gives the bulk material lying there to the next bottom hole where it exits - and so on. If the term “bottom hole” or “bottom opening” or “opening” is mentioned above or below, any kind of opening in the wall of the channel-shaped storage element is to be understood here as meaning the bulk material pushed along the channel can emerge without being dropped on one of the lateral gutter edges in an uncontrolled amount.
- the newly designed stowage element, the newly designed Schüttgutschieber and its drive allow a completely new and simpler operation.
- the only relatively short reversing working thrusts of the Schüttgutaustragsfingers according to the prior art of the order of 30 cm in length are replaced by comparatively long-stroke, especially extremely long-stroke movements.
- the Austragsschieber invention have functionally a length of at most the inner width of the storage channel.
- the channel-shaped baffle element is arranged in a bulk material discharge channel which extends over the length of more than one moving bed reactor module, then it becomes possible to progressively move the at least one bulk material slide along this storage channel across the width of a multiplicity of moving bed reactor modules and only to reverse it when the bulk material shifter arrives at the other end of a discharge channel.
- each jammed bulk amount is particularly small. All dimensions of the bulk material discharge device can be correspondingly reduced. Nevertheless, a sufficiently large proportion of bulk material can be discharged from each bulk material discharge tube per working stroke because the quantity of bulk material discharged multiplies correspondingly to the number of bulk material pushers arranged one behind the other. It is furthermore extremely useful to combine a plurality of bulk material pushers and / or bulk material pushers of several channels in a bulk material pusher carriage. Such a car can be moved very safe and runs no risk to tilt in the gutter-shaped storage element.
- gutter-shaped baffle elements as a structural component of an interspersed by the bulk material discharge tubes intermediate floor is connected to this, additional elements for stiffening of such a false floor, as they were required in the past, to avoid weight savings.
- the cross-sectional shape of the channel-shaped storage elements is in principle freely selectable.
- Standardized U-beams as found in steel construction, have proven to be particularly advantageous.
- Such standard profiles have a particularly large uniformity of the inner cross section and they are particularly low in twisting. In this way, jamming of the bulk material pusher or similar irregularities is counteracted particularly reliably.
- the channel-shaped damming elements are used for safe and close-to-wall guidance of the bulk material pusher.
- the result is that bulk material particles are trapped between the contour edge of the bulk material pusher and the inner surface of the gutter-shaped damming element and thus destroyed.
- the actual bulk material shifter is so independent of its drive, that it is indeed moved in the sliding direction, but independently following the gravitational force to the bottom of the channel-shaped storage element applies.
- a corresponding holder accordingly has vertical guides, such as a slot or at least one slot.
- the edge of the bulk material pusher touching the channel-shaped damming element can be made of a different material than the rest of the pusher, eg. B. be designed brush-shaped.
- the operation of the bulk material shaker is particularly gentle on bulk material if its speed of travel is as low as possible, in particular up to 2.0 m / min., Preferably between 0.5 and 1.5 m / min.
- the invention achieves a simplification of the construction and of the drive, a reduction of the weight, the overall height, the bulk material particle destruction and / or the amount of the necessary drive devices, in particular in large plants.
- FIG. 2 is a perspective view of a single moving-bed reactor module of a fluid treatment plant, showing a detail of its distributor plate with discharge device;
- FIG. 2 is a perspective view of a single moving-bed reactor module of a fluid treatment plant, showing a detail of its distributor plate with discharge device;
- Fig. 4 of the discharge device of Figure 3 is a schematic vertical section along the line IV-IV of FIG. 3.
- FIG. 5 shows an alternative embodiment of the bulk material discharge device according to FIGS. 2 and 3, 4 in a perspective view
- Fig. 6 of the bulk material discharge device of Figure 5 is an enlarged detail view when omitting the intermediate bottom.
- FIG. 7 shows a further alternative embodiment of the bulk material discharge device in a perspective illustration, omitting the channel-shaped storage elements, as well as for a fluid treatment system according to FIG. 2
- Fig. 8 From the bulk material discharge device of FIG. 7 is a synopsis of a bulk material slider carriage with a channel-shaped storage element.
- an inflow and bulk material discharge floor 8 is provided in each of preferably a plurality of moving-bed reactor modules 3 arranged one behind the other in series, as is known, inter alia, from EP 0 257 653 B1.
- the Schüttgutaus Stammsrinnen downwardly adjoining Schüttgutabzugsrohre 13 are constructed telescopically and sit with a rosette on a shelf 8 B in a grid. You can use the holes 8C of the intermediate bottom 8B (FIG. 5) and open at a specified distance below (FIG. 8).
- the intermediate bottom 8 is supported by a designed as Schüttgutaustrags worn 15 substructure.
- a bulk material discharge carriage 16 as it travels through a bulk material outlet channel, which connects a plurality of mobile plant reactor modules in a row in the lower region, can be moved to collect bulk material.
- a bulk material discharge carriage 16 instead of such Schüttgutaustragswagen 16, which can weigh a few tons loaded, the use of (not shown) conveyor belt is possible, for example, at the (lower) discharge end of a conical gutter extends.
- the bulk material discharge device 15 shown in more detail in FIGS. 3 and 4 can consist of profiles 100 with C-shaped or similar profile cross-section extending over the reactor width.
- the profile top is perforated in grid-like intervals so that the mouths of the bulk material discharge pipes 13 have approximately the same cross section or fit through it.
- This upper profile leg 100A serves as a support for the intermediate bottom 8B.
- a lateral longitudinal edge of the upper profile leg 100A is followed by a, preferably closed, laterally substantially vertical profile limb 100B.
- a horizontal lower profile leg 100C At its lower edge in turn is followed by a horizontal lower profile leg 100C.
- the latter consists of bulk material storage surfaces 110 arranged at regular intervals and openings (bottom openings) 120 arranged between them.
- the storage areas 110 are located substantially centrally below the respectively associated bulk material removal pipe 13 of the bulk material removal tray 8 located above.
- the lower profile branch 100C adjoins the
- the lateral profile limb 100B facing the lateral edge 100D has an approximately vertical orientation sidewall 100D that aligns with a sidewall 100E which also adjoins, in a vertical orientation, the edge of the upper profile limb 100A opposite the lateral profile limb 100B. In this way creates a cross-sectionally approximately C-shaped box section, in which the free edges between see the aligned upper and lower side wall 100D and 100E opposite guide rails for a Schüttgutschieberwagen 200 form.
- the lateral profile limb 100B, the lower profile limb 100C and the lower side limb Wall 100D form a channel-shaped damming element with discharge openings 120 located between the storage areas 110.
- a large number of rows of bulk material withdrawal tubes 13 are arranged parallel to one another.
- profiles 100 are provided at appropriate intervals.
- the bulk material pusher carriage 200 shown in FIG. 4 extends at right angles to the profiles 100.
- a cross member 210 bears on upright arms 210A, which reach between the lateral spacing of adjacent profiles 100, respectively, a chassis 220, its rolling or sliding guide elements 220A, which are shown in FIG and as far as preferred embodiments are designed as rail wheels, run between the upper edge of the lower side wall 100D and the lower edge of the upper side wall 100E on rails, so that a stable guidance is given.
- the chassis 220 is followed by a bulk material slide 230, which passes through the cross-section of the channel-shaped blocking element along the length of the profile 100 when the bulk material slider carriage 200 is moved in the longitudinal direction T of the profiles 100 by a common drive.
- the only bulk material slide per channel thus alternately covers storage areas 110 and discharge openings 120. Because of the preferably uniform and comparatively slow traveling speed of the bulk material moving carriage 200 of up to 2.0 m / min, and less, the bulk material is extremely well protected.
- the exemplary embodiment according to FIGS. 5 and 6 differs from the previous one primarily in that the profiles 100 forming the channel-shaped storage surfaces are arranged in pairs at a lateral distance from each other and are substantially U-shaped with slight asymmetry.
- the respective outer, slightly longer U-leg is provided at its upper edge with an upper profile leg 100A for placing and carrying and possibly attach the intermediate bottom 8B.
- the Schüttgutschieber 230 are connected in pairs and suspended in the area of the space of each profile pair by a holder 230A easily oscillating, even with slight distortions of the profiles 100 to remain mobile through the formed by the profile Schüttgutrinne trouble-free.
- Another special feature of this embodiment is that several, in the embodiment four, Schüttgutschiebercrue 230 spaced from each other Schüttgutabzugsrohre 13 are arranged one behind the other, so that in a single driving through the Schüttgutschieber cleared by the gutter-shaped storage elements 100 of each storage area four times in succession bulk material and discharged ,
- the bulk material pushers 230 of all adjacent gutter-shaped damming elements 100 are connected together to form a bulk material pusher carriage 200.
- FIG. 5 likewise shows a bulk goods delivery carriage 16 which can be drive-connected to the bulk material pusher carriage 200, so that both carriages pass through the discharge channel together with a single drive.
- a bulk material cone 110A is formed between the mouth of a bulk material discharge pipe and a storage surface 110.
- the exemplary embodiment according to FIGS. 7 and 8 differs from the two preceding ones in that for each channel-shaped storage element 110 of two U-profiles which open toward one another, a bulk material slide carriage 200 is provided which is specially guided on both sides and at the bottom, which one behind the other in the illustrated preferred embodiment at least one bulk material slider 230 at the distance of the bulk material discharge pipes 13, the holder 230 A, the bulk material slider 230 leads in slot-shaped receptacles so that they rest gently by their weight on the gutter floor. If the edge strips 230B of the bulk material shifter 230 turn from another material, for. B.
- the Schüttgutschieber 230 also rigidly on the Front and rear side of the holder 230 A (not shown) may be arranged and thus protect the bulk material during forward and reverse travel of the car 200 even more optimal.
- the adjacent bulk material pusher carriages 200 are moved by a common drive, wherein a traverse 210 in turn are connected to vertical arms 210A, which laterally engage centrally with the respective bulk material pusher carriage 200.
- the Schüttgutschieberwagen 200 thus formed can be mounted with a certain play to each other, so that they are 100 traverses the slides without distortion even in deformations of the channel-shaped storage elements.
- the bulk material discharge pipes are omitted from a gutter-shaped storage element 100 in the right part of the image, while in the left part of the image, an intermediate floor is also not shown.
- a side profile leg 100B is partially realized in the form of connecting elements 100F. The storage function alone takes over the lower U-profile iron.
- the bulk material discharge channel connecting a plurality of moving equipment modules 3 of a row may be funnel shaped and equipped with a longitudinal conveyor such as a conveyor belt, a vibrating chute or the like for transporting bulk material to an end face of the unit.
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112009001091.1T DE112009001091B4 (en) | 2008-05-15 | 2009-05-15 | Fluid treatment plant with bulk material beds operated in countercurrent and method for operating same |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2008/003910 WO2009138111A1 (en) | 2008-05-15 | 2008-05-15 | Device for discharging bulk material from outlet ends of downpipes |
EPPCT/EP2008/003910 | 2008-05-15 | ||
DE202008015019U DE202008015019U1 (en) | 2008-05-15 | 2008-11-12 | Fluid treatment plant with counterflow operated bulk beds |
DE202008015019.1 | 2008-11-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009138245A1 true WO2009138245A1 (en) | 2009-11-19 |
Family
ID=40289215
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2008/003910 WO2009138111A1 (en) | 2007-11-12 | 2008-05-15 | Device for discharging bulk material from outlet ends of downpipes |
PCT/EP2009/003483 WO2009138245A1 (en) | 2008-05-15 | 2009-05-15 | Fluid treatment system with counter current fluidized beds and method for operating the same |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2008/003910 WO2009138111A1 (en) | 2007-11-12 | 2008-05-15 | Device for discharging bulk material from outlet ends of downpipes |
Country Status (2)
Country | Link |
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DE (3) | DE112008003844B4 (en) |
WO (2) | WO2009138111A1 (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3916325A1 (en) * | 1989-05-19 | 1990-11-22 | Grochowski Horst | WALKING BED REACTOR |
EP1529561A1 (en) * | 1999-09-06 | 2005-05-11 | Horst Grochowski | Method, device and installation for treating fluids on at least one bulk material layer |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3210683A1 (en) * | 1982-03-19 | 1983-09-29 | Delbag-Luftfilter Gmbh, 1000 Berlin | HIKING BED FILTER FOR SEPARATING FABRICS OF VAPOR AND / OR GASEOUS MEDIA |
EP0257653B1 (en) | 1986-08-28 | 1992-11-04 | Kabushiki Kaisha Toshiba | High dielectric constant ceramic material and method of manufacturing the same |
DE3732567A1 (en) | 1987-05-07 | 1988-11-24 | Horst Dr Grochowski | ANSTROME FLOOR FOR WALKING BED REACTORS AND METHOD FOR OPERATING THIS DEVICE |
DE3805198A1 (en) * | 1988-02-19 | 1989-08-31 | Nymic Anstalt | DEVICE FOR THE SEPARATION OF COMPONENTS CONTAINED IN GAS, PREFERABLY HEAVY METALS, SULFUR DIOXYD AND FOR THE DEDUSTING OF GAS-BASED MEDIA LOADED WITH SOLIDS |
DE4004911C2 (en) * | 1990-02-16 | 1999-09-23 | Horst Grochowski | Method and device for treating at least one fluid by means of a solid present in bulk in a moving bed reactor |
-
2008
- 2008-05-15 DE DE112008003844.9T patent/DE112008003844B4/en active Active
- 2008-05-15 WO PCT/EP2008/003910 patent/WO2009138111A1/en active Application Filing
- 2008-11-12 DE DE202008015019U patent/DE202008015019U1/en not_active Expired - Lifetime
-
2009
- 2009-05-15 WO PCT/EP2009/003483 patent/WO2009138245A1/en active Application Filing
- 2009-05-15 DE DE112009001091.1T patent/DE112009001091B4/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3916325A1 (en) * | 1989-05-19 | 1990-11-22 | Grochowski Horst | WALKING BED REACTOR |
EP1529561A1 (en) * | 1999-09-06 | 2005-05-11 | Horst Grochowski | Method, device and installation for treating fluids on at least one bulk material layer |
Also Published As
Publication number | Publication date |
---|---|
DE112009001091A5 (en) | 2011-06-16 |
WO2009138111A1 (en) | 2009-11-19 |
DE112009001091B4 (en) | 2022-02-03 |
DE202008015019U1 (en) | 2009-09-24 |
DE112008003844A5 (en) | 2011-03-24 |
DE112008003844B4 (en) | 2018-07-19 |
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