EP0934498B1 - Refroidisseur de puits - Google Patents

Refroidisseur de puits Download PDF

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Publication number
EP0934498B1
EP0934498B1 EP97945858A EP97945858A EP0934498B1 EP 0934498 B1 EP0934498 B1 EP 0934498B1 EP 97945858 A EP97945858 A EP 97945858A EP 97945858 A EP97945858 A EP 97945858A EP 0934498 B1 EP0934498 B1 EP 0934498B1
Authority
EP
European Patent Office
Prior art keywords
pipes
walls
shaft cooler
distance
tubes
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP97945858A
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German (de)
English (en)
Other versions
EP0934498A1 (fr
Inventor
Helge Fuldner
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.)
Grenzebach BSH GmbH
Original Assignee
Babcock BSH AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE1996143699 external-priority patent/DE19643699C1/de
Priority claimed from DE29618460U external-priority patent/DE29618460U1/de
Application filed by Babcock BSH AG filed Critical Babcock BSH AG
Publication of EP0934498A1 publication Critical patent/EP0934498A1/fr
Application granted granted Critical
Publication of EP0934498B1 publication Critical patent/EP0934498B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/02—Tubular elements of cross-section which is non-circular
    • F28F1/04—Tubular elements of cross-section which is non-circular polygonal, e.g. rectangular
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
    • F27D15/02—Cooling
    • F27D15/0286—Cooling in a vertical, e.g. annular, shaft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/0058—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for only one medium being tubes having different orientations to each other or crossing the conduit for the other heat exchange medium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media

Definitions

  • the invention relates to a shaft cooler according to the preamble of the claim 1, which is used to cool granular or free-flowing bulk goods.
  • shaft coolers which are also backflow coolers or contact accumulators
  • the bulk material is cooled by slowly moving inside the Shaft cooler arranged cooling surfaces glides past.
  • This shaft cooler have a feed unit, a cooling unit and one arranged one above the other Trigger unit on.
  • pipes that are located inside serve as cooling surfaces of the cooling unit between two opposite walls and through which carries a coolant, such as air or water.
  • Shaft coolers commonly used have smooth side walls.
  • the Pipes can be connected to each other by sheet metal to increase the cooling surfaces be or be designed as finned tubes.
  • a problem with this shaft cooler is that the smooth side walls Can affect the flow of the bulk material. There is a danger an increased outflow of the bulk material in front of the side walls at the edges the cooling unit.
  • a shaft cooler is known from DE 28 09 927 A1, in the interior of which a Number of mutually spaced, leading a cooling medium Cooling channels is arranged.
  • the generally approximately vertically aligned Cooling channels are profiled so zigzag or angled that the between adjacent cooling channels existing material flow zones multiple times from have a straight, vertical course deviating axis.
  • the one Cooling ducts to be arranged in the shaft wall can be simplified in such a way that that the shaft wall is also used as the wall of the cooling channel. This improves the drainage in front of the side wall and cools the shaft wall and reduces the risk of delay.
  • the removal of constipation is however, due to the poor accessibility of the material flow zones between the profiled cooling channels difficult.
  • the production of profiled cooling channels and shaft walls with profiled cooling channels are very complex.
  • a generic shaft cooler is known from DE 20 10 601 B2.
  • Radiator shafts of which several can be arranged one behind the other, there are offset transverse channels with an approximation diamond-shaped cross-section, with the longer cross-sectional axis standing vertically.
  • the channels are arranged so that the one formed between them Flow path for the goods to be cooled is approximately constant Cross section.
  • the channels are at the ends in the side walls of the Fixed shafts and stand there with feed, connection or Drainage channels in connection. Cooling parallel to the channels running walls of the cooling shafts is not provided and by the Arrangement of several cooling shafts in a row difficult. When cooling from Bulk goods of high temperatures can warp and to Clogging of the cooling shafts and therefore long downtimes.
  • the object of the invention is a shaft cooler according to the preamble of Develop claim 1, which is suitable for bulk material, such as sand, cool evenly, even from high temperatures, its downtime are significantly reduced by constipation and which is inexpensive to manufacture.
  • the cooling unit of the shaft cooler according to the invention on side bleaching on the laterally outer Pipes on the upper curves or edges of the pipes or on the outer lateral surfaces, curves or edges are attached and over the extend the entire length of the pipes between the front and rear walls.
  • the side panels are attached to the tubes so that they are at an angle to Extend vertical alignment lines along the pipes or parallel to them get lost.
  • the height of the side panels, i.e. H. their extension parallel to the Escape lines is 1.2 to 5 times, especially 1.5 to 4 times Distance of two rows of pipes along the alignment lines. This distance is in the hereinafter referred to as "b" and corresponds to that mentioned in the description Distance b of the parallel escape lines.
  • the distance b is in FIGS. 4 and 7 drawn.
  • a height of the side panels is sufficient, which the Distance b of two rows of pipes along the alignment lines plus one Security amount corresponds.
  • the pipes are arranged so that the distance b of two rows of pipes along the alignment lines in both directions is equal to.
  • the distance b of two rows of pipes along the alignment lines in both directions is used as a measure for determining the height medium distance and an increased security amount or the distance of the im Bulk material flow taken upstream rows of pipes.
  • the side plates of a shaft cooler according to the invention replace the Sidewalls by preventing the flow between the pipes Bulk material can emerge from the side of the cooling unit.
  • the bulk material leaves the gap between the two outer ones, offset pipes of a first and a second row arranged to each other, meet those attached to the top or side of the outer tubes of a third row Side plates and forms an angle of repose towards the side plates.
  • the Angle of repose depends on the type and movement of the bulk material.
  • the height of the side panels is selected so that the deepest, outer point of the angle of repose always below the upper, free edge of the Side panels are. This prevents leakage from the cooling unit.
  • a shaft cooler according to the invention is particularly suitable for cooling bulk goods suitable for high temperatures.
  • Bulk materials such as sand
  • This is due to the arrangement according to the invention of Side panels instead of side walls, the thermal expansion problems between the Avoids tubes and side plates, enables.
  • the exposure to hot Bulk material is less with the side panels than with smooth side walls.
  • a shaft cooler according to the invention it is prevented that at high Material temperatures Temperature differences with different expansions of the side plates and the pipes occur.
  • the arrangement and shape of the pipes is not affected by thermal effects.
  • the channels through which the Bulk material flows past the pipes keep cross sections of the same size, so that in there are no bottlenecks in the cooling unit that could lead to constipation.
  • Replacing the side walls with the side plates avoids one Hindrance or impermissible acceleration of the discharge of the bulk material the side edges of the cooling unit due to exposure to temperature warpage and buckling of the side walls. Also be leaks caused by thermal expansion avoided. Such Leaks occur in the case of shaft coolers with four walls to compensate of thermal expansion loose transitions between the pipes and one of the Walls on.
  • the pipes in the be welded firmly into the two opposite walls. As compensation for Thermal expansion can be a floating bearing under one of these walls and corresponding devices in the supply and discharge lines of the Shaft cooler.
  • a shaft cooler according to the invention is also for cooling Bulk goods of low temperature, for example for cooling sugar from 40 to 70 ° C to 20 to 30 ° C, suitable.
  • Bulk goods of low temperature for example for cooling sugar from 40 to 70 ° C to 20 to 30 ° C, suitable.
  • shaft cooler according to the invention is that by the side panels also aligned or parallel to the alignment lines Extensions of the flow channels remain free to the outside and thereby the Shaft cooler for observation and measurements but also for cleaning, for Example for the removal of coarse material that is accessible from the sides.
  • a shaft cooler in which the distances according to claim 4 between each other horizontally or vertically opposite edges of the pipes 50 to 80% each, in particular correspond to 60 to 70% of the side length of the tubes are special for cooling sand and similar bulk materials from temperatures of 400 to 850 ° C suitable for temperatures from 20 to 50 ° C.
  • the tubes are also aligned through the tube bundle according to claim 6 to arrange, makes the entire internal cooling unit accessible several tube bundles from the sides.
  • a bar grate according to claim 9 is particularly suitable, coarse material at high To remove good temperatures. Since not in the shaft cooler according to the invention warping of the pipes or the side walls must be expected All you need is a distance between the grate bars that is 0.25 to 0.4 times the average The distance between the escape lines is to increase the risk of the cooling unit becoming blocked minimize.
  • FIG. 1 shows a vertical cross section parallel to the width of the Shaft cooler, perpendicular to the course of the pipes and FIG. 2 with one in FIG A-A marked, vertical cross section parallel to the length of the Shaft cooler and thus parallel to the pipe run.
  • Figure 3 is one Enlargement of the view W marked in FIG.
  • Figure 4 an enlargement of a in Figure 1 marked section X, tubes with side plates on one of the lateral edges
  • Figure 5 an enlargement of a marked in Figure 2 Section Y, part of a front wall designed as a double wall Partitions
  • Figure 6 an enlargement of a marked in Figure 2 Detail Z, a pull-out floor, shown.
  • Figure 7 shows one of the Figure 4 corresponding representation of an alternative arrangement of the side plates of the second example.
  • a shaft cooler according to the invention has one arranged one above the other Feed unit 1, a cooling unit 2 and a take-off unit 3. Its shape corresponds approximately to that of an erected cuboid, whereby, as already mentioned, the vertical cross section of Figure 1 parallel to the width and the vertical Cross section of Figure 2 runs parallel to the length of the shaft cooler.
  • the feed unit 1 is also flattened by a cuboid hood 4 upper longitudinal edges 5, 6 formed. Two protrude into the hood 4 from above the width of the shaft cooler supply tubes 7 arranged next to one another.
  • FIG. 1 extends from one of the top Longitudinal edges 5, 6 of the hood 4, here the left long edge 5, diagonally through the Hood 4 to the lower end of one of the longitudinal walls 8, 9 of the hood 4, here the right longitudinal wall 9, a bar grate 10.
  • the bar grate 10 can also on one of the Longitudinal walls 8, 9 begin and end. It runs at an angle of 30 to 60 ° to the vertical through the hood 4, in this case at an angle of 45 °.
  • the bar grate 10 consists of rods 11 arranged parallel to one another, the Cross sections have the shape of equilateral triangles. With the bar grate 10 are of course, the rods 11 at an angle of 45 ° to the vertical arranged so that one of the side surfaces at an angle of 45 ° to Vertical runs.
  • baffle plate 13 Below the openings of the feed pipes 7 and above the bar grate 10 extends parallel to the long side of the shaft cooler and also in one Angles from 30 to 60 ° to the vertical, here at an angle of 45 °, perpendicular to the bar grate 10, a baffle plate 13.
  • the hood 4 points directly above the lower end of the grating 10 extends over the entire length of the hood 4 Opening 14 for removing the coarse material retained by the bar grate 10 on.
  • the opening 14 is with a flap 15, in front of the outside of the longitudinal wall 9
  • Cover housing 16 is provided with a bottom opening 17, provided.
  • the feed unit 1 also has a level meter 18 in the lower Area of the left longitudinal wall 8 protrudes into the interior of the hood 4.
  • the cooling unit 2 has two opposite walls, the front wall 19 and the rear wall 20, and several, in this example eight, one above the other arranged tube bundle 21.
  • Tubes 22 of the tube bundle 21 run horizontally between the front wall 19 and the back wall 20. They are vertically upward with a curve or edge aligned.
  • the tubes 22 are in several, in this example in seven, rows lying one above the other, staggered in successive rows to each other, arranged.
  • the tubes 22 are arranged so that they through the Align rows diagonally to the vertical.
  • the tubes 22 have a square cross section with rounded edges with one of the edges 23 of the tubes 22 oriented vertically upwards, so that parallel alignment lines 24, 25 along the side surfaces 26, 27 of the tubes 22 in Angle of 45 °. Tubes 22 of successive rows are around the half distance a between the central axes 28 of the tubes 22 offset in a row arranged. The distance b is in each case between the parallel alignment lines 24, 25 same size. The distances between the horizontal and vertical each other opposing edges 23 and 29, 30 and 31 are the same and are 50 up to 80%, in particular 60 to 70%, of the side length of the tubes 22.
  • the cooling unit 2 has instead of side walls on the laterally outer tubes 22 whose upper edges 23 side plates 32, which extend over the entire length of the Cooling unit 2 extend between the front wall 19 and the rear wall 20.
  • the Side plates 32 are each by two welds 33 on the tubes 22 attached except for a slight offset by one of the weld seams 33 the side plates 32 extend the alignment lines which run obliquely to the vertical 25 to the outside.
  • the height of the side plates 32 is 1.5 to 4 times, in particular 2 to 3 times the distance b of the tubes 22 along the escape lines 24.
  • the Height of the side plates 2.5 times the distance b of the tubes 22 along the Escape line 24, i.e. of the distance b between the alignment lines 24 and 25.
  • Up to the side plates 32 are the sides of the cooling unit 2 in the region of the tube bundle 21 open.
  • the tubes 22 are arranged in alignment through all tube bundles 21.
  • To the cooling unit 2 is designed so that the individual rows of the tube bundle 21st has an odd number of tubes 22, the outer tubes 22 one Row are provided with side plates 32 and the outer tubes 22 of the and the row below are arranged inwards and none Have side plates 32.
  • the tube bundles 21 have an odd number of Rows on, with a tube bundle 21 at the top with a row with outer tubes 22nd begins with side plates 32 and ends with one at the bottom. Between two Tube bundle 21 is exactly one row with outer tubes offset inwards 22 omitted.
  • the tubes 22 of a tube bundle 21 are on the front wall 19 or on the Rear wall 20 with a feed device and on the opposite wall connected to a discharge device.
  • the removal device is in each case a lower tube bundle 21 with the feed device of the next higher Tube bundle 21 connected, so that the coolant from zigzag, from below upwards and thus in counterflow to the bulk material through the tube bundle 21 to be led.
  • the front wall 19 and the rear wall 20 are double walls with an inner one Wall 34, in which the tubes 22 open, and with an outer wall 35 formed and divided by partitions 36 into chambers 37, 38, 39.
  • a supply line 40 is connected to the chamber 37 and to the chamber 39 a discharge line 41 connected.
  • the partitions 36 have an outer thicker section 42, on which they the outer wall 35 are fastened by a plurality of screws 43, and one inner, thinner portion 44 that extends to the inner wall 34 and between the openings for the tubes 22 of two superimposed ones Pipe bundle 21 on the inner wall 34 completes the width of the outer Section 42 is approximately 60% of the total width of the partition 36.
  • Inside Section 44 contains some bores, not shown, that allow emptying allow the cooling unit 2.
  • a sealing plate 45 Between the outer wall 35 and the Partition 36 is a sealing plate 45. To stabilize the outer walls 35 may be provided with horizontally extending flat bars on the outside.
  • the front wall 19 and the rear wall 20 protrude above and below the Tube bundle 21 somewhat beyond this. In these areas, the sides of the Cooling unit 2 provided with side plates 46 and 47.
  • the cooling unit 2 can have several, for example three, when viewed from the front Shaft cooler tube packs arranged next to each other, one packet being made there are overlying tube bundles 21.
  • the front wall 19 and the rear wall 20 are in this case with additional, for example two, provided between the tube packs extending longitudinal partitions, the corresponding to wall several, for example three, supply lines 40 and has as many discharge lines 41.
  • the extraction unit 3 has a cooling unit 2 which delimits the bottom Pull-out tray 48 and then a pull-out tray 48, a housing 49, in the discharge screw 50 is on.
  • the housing 49 has parallel to Width of the shaft cooler has a V-shaped cross section and extends over the entire length of the shaft cooler and thus parallel to the tubes 22 of the Cooling unit 2.
  • the discharge screw 50 is located on the bottom of the housing 48 and essentially fills the one created by the V-shaped cross section Narrowing out. At the rear end of the housing 48 is below the Discharge screw 50 and discharge funnel 51.
  • the pull-out shelf 48 has a first frame 52 with inclined surfaces Guide plates 53 on its lateral edges and with rotated by 180 °, U-profiles 54 running parallel to the broad side of the shaft cooler, one arranged below the first frame 52, second frame 55 with parallel to the broad side of the shaft cooler, flat profiles 56 of the same Number as the U-profiles 54 and one attached to the second frame 55 Sliding device 57.
  • the flat profiles 56 of the second frame 55 are with tongue-shaped indentations 58 arranged at intervals from one another provided, the distance from the distance of the profiles 56 and depth of the Indentations 58 corresponds to the inner width of the U-profiles 54.
  • a shaft cooler according to the invention has, for example, a cooling unit 2 a length of 2 m, a width of 1 m and a height of 1.5 m.
  • the Side length of the square of the tubes 22 is, for example, 25 mm, the distance 1 / 2a of the central axes 27 of the tubes 22 of rows one above the other also 25 mm, the distance b of the alignment lines 24 and 25 10 mm and the distance of the Grate bars 11 3 mm.
  • the distance between the grate bars 11 is thus approximately 0.33 times the distance between the escape lines 24 and 25.
  • the height of the side plates 32 is dependent on the angle of the alignment lines 24, 25 to the horizontal, from their distance b, from the angle of repose of the item to be cooled Good and possibly the distance I determined.
  • a course of Alignment lines 24, 25 at 45 ° to the horizontal the distance b between the alignment lines 24, 25 of 10 mm and the arrangement of the side plates 32 on the upper edges 23 the tubes 22 could have a height of the side plate 23 of 12 mm plus 5 mm Security amount, d. H. 17 mm is sufficient.
  • the shaft cooler of this example Is subjected to vibrations, the height of the side plates 32 for one Angle of repose of 0 ° to twice the distance b plus one Security amount of 5 mm, d. H. on 25 mm. So that is Height, as stated earlier, 2.5 times the distance b or Distance b.
  • the distance between the grate bars can be 0.25 to 0.4 times the average, if necessary, Distance of the alignment lines 24, 25 amount.
  • the 800 ° C hot, dry bulk material e.g. B. sand
  • the feed unit 1 fed through the two feed pipes 7 from above.
  • the bulk material falls on the Baffle plate 13, ruffles along the baffle plate and falls onto the bar grate 10.
  • the Bar grate 10 holds back coarse material. From time to time this becomes the opening 14 in the Feed unit 1 slipped or conveyed coarse material with the flap 15 open withdrawn through the opening 14 and the bottom opening 17.
  • the bulk material freed from the coarse material passes through the 3 mm wide gaps between the bars 11 of the bar grate 10 on the two cones, which are in the upper area of the cooling unit 2 and in the lower area of the supply unit 1 have formed.
  • the height of the pouring cone is measured using a Level meter 18 by enlarging or reducing the openings in the Pull-out tray 48 through the indentations 58 in the profiles 56 and possibly the Column between the profiles 56 regulated to a target value.
  • the bulk material flows along the cooling surfaces formed by the tubes 22 top down through the eight tube bundles 21 of the cooling unit 2, one uniform flow of the bulk material through the side plates 32 also to the lateral edges of the cooling unit 2 is guaranteed.
  • the bulk material is the coolant, such as water, the bottom up through the tube bundle 21 back and forth and thus in countercurrent is directed to the bulk material, cooled evenly to 35 ° C. It gets through the Openings in the pull-out tray 48 on the discharge screw 50 becomes Discharge funnel 51 promoted and deducted by this.
  • a second shaft cooler according to the invention assigns an alternative, in FIG. 7 see arrangement of the side plates 32.
  • the arrangement of the side plates 32 differs from the previously described in that the side plates 32 on the outer edges 31 of the outer tubes 22 are attached. Your location corresponds to compared to that of the first example, a parallel displacement along the upper edges 26 of the tubes 22 by the distance I outwards and downwards.
  • the Side surfaces 32 are also welded to the outer tubes 33 22 attached. They extend to a small offset due to the Welds 33 the alignment lines 24.
  • the shaft cooler is not subjected to any major vibrations was a height of 12 mm for on the upper edge 23 of the tubes 22 attached side panels 32 plus a larger security amount of 13 mm assumed and due to the displacement of the side plates 32 along the upper edges 26 of the tubes 22 by approximately a distance I of 23 mm by 5 mm also enlarged by 30 mm.
  • the height of the side plates 32 is thus 3 times the distance b. If greater vibrations occur, the height of the Side plates 32 43 mm (designed for a repose angle of 0 °) plus one Security amount of 5 mm, d. H. 48 mm.
  • As in the first example was assumed to be bulk material with a repose angle of 33 ° and the course of the lines 24, 25 at an angle of 45 ° to the horizontal considered.
  • This arrangement of the side plates 32 leads to the formation of pockets that are in the Fill operation with bulk material and a thermal insulation layer between the Form side plates 32 and the hot bulk material. This protects above all upper side panels 32 before greater heating.
  • This shaft cooler is especially suitable for cooling very hot goods.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Geometry (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Claims (9)

  1. Refroidisseur de puits comprenant une unité de refroidissement (2) avec deux parois (19, 20) opposées et au moins un faisceau (21) de tubes, composé de tubes (22) disposés sur plusieurs rangées superposées, s'étendant horizontalement entre les parois (19, 20), dont les rotondités ou arêtes s'étendant horizontalement sont orientées vers le haut, qui sont disposés de manière décalée les uns par rapport aux autres dans les rangées successives, qui s'alignent à travers les rangées en oblique par rapport à la verticale et qui sont connectés à une des parois (20) par un dispositif d'admission et à la paroi opposée (19) par un dispositif de vidange, caractérisé en ce que l'unité de refroidissement (2) présente à la place de parois latérales sur les rotondités ou arêtes (23) ou sur les surfaces, rotondités ou arêtes (31) latérales extérieures des tubes (22) situés sur le côté extérieur, des tôles latérales (32) s'étendant entre les parois sur toute la longueur, les tôles latérales (32) prolongeant les lignes de fuite s'étendant en oblique par rapport à la verticale ou s'étendant en parallèle avec elles et présentant une hauteur qui représente de 1,2 à 5 fois, en particulier 1,5 à 4 fois la distance moyenne des tubes (22) le long des lignes de fuite (24, 25).
  2. Refroidisseur de puits selon la revendication 1, caractérisé en ce que les tubes (22) des rangées successives sont disposés de manière décalée d'une demi-distance entre les axes centraux (28) des tubes (22).
  3. Refroidisseur de puits selon la revendication 1 ou 2, caractérisé en ce que les tubes (22) ont une section quadratique, une des arêtes (23) des tubes (22) étant orientée verticalement vers le haut de telle sorte que les lignes de fuite (24, 25) s'étendent le long des surfaces latérales (26, 27) des tubes (22) à des angles de 45°.
  4. Refroidisseur de puits selon la revendication 3, caractérisé en ce que les distances entre des arêtes (23, 29, 30, 31) horizontalement et verticalement opposées des tubes (22) correspondent respectivement à 50 à 80 %, en particulier à 60 à 70 %, de la longueur latérale des tubes (22).
  5. Refroidisseur de puits selon une des revendications 1 à 4, caractérisé par plusieurs faisceaux (21) de tubes disposés les uns au-dessus des autres, le dispositif de vidange d'un faisceau (21) de tubes étant chaque fois relié au dispositif d'admission du dispositif juste au-dessus.
  6. Refroidisseur de puits selon la revendication 5, caractérisé en ce que les tubes (22) sont disposés de manière alignée à travers tous les faisceaux (21) de tubes.
  7. Refroidisseur de puits selon la revendication 5 ou 6, caractérisé en ce que les deux parois opposées sont conformées comme des doubles parois qui sont divisées en chambres (37, 38, 39) par des cloisons (36), la chambre du bas (37) d'une des deux parois formant le dispositif d'admission du faisceau (21) de tube le plus bas, la chambre du haut (39) d'une des deux parois formant le dispositif de vidange du faisceau (21) de tubes le plus haut et les autres chambres (38) formant respectivement le dispositif d'admission et le dispositif de vidange reliés entre eux de faisceaux (21) de tubes superposés.
  8. Refroidisseur de puits selon la revendication 7, caractérisé en ce que les cloisons (36) présentent une section extérieure (42) plus épaisse à laquelle elles sont fixées et une section intérieure (44) plus mince.
  9. Refroidisseur de puits selon une des revendications 1 à 8, caractérisé en ce que la grille (10) à barreaux s'étend en oblique par rapport à la verticale au-dessus de l'unité de refroidissement (2), la distance des barreaux (11) de grille représentant de 0,25 à 0,4 fois la distance moyenne des lignes de fuite (24, 25).
EP97945858A 1996-10-23 1997-10-18 Refroidisseur de puits Expired - Lifetime EP0934498B1 (fr)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
DE19643699 1996-10-23
DE29618460U 1996-10-23
DE1996143699 DE19643699C1 (de) 1996-10-23 1996-10-23 Schachtkühler
DE29618460U DE29618460U1 (de) 1996-10-23 1996-10-23 Schachtkühler
DE29707180U 1997-04-22
DE29707180U DE29707180U1 (de) 1996-10-23 1997-04-22 Schachtkühler
PCT/EP1997/005759 WO1998017959A1 (fr) 1996-10-23 1997-10-18 Refroidisseur de puits

Publications (2)

Publication Number Publication Date
EP0934498A1 EP0934498A1 (fr) 1999-08-11
EP0934498B1 true EP0934498B1 (fr) 2001-09-26

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EP97945858A Expired - Lifetime EP0934498B1 (fr) 1996-10-23 1997-10-18 Refroidisseur de puits

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EP (1) EP0934498B1 (fr)
WO (1) WO1998017959A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006045807A1 (de) * 2006-09-26 2008-04-03 Grenzebach Bsh Gmbh Wärmetauscher
WO2011015339A1 (fr) 2009-08-05 2011-02-10 Uhde Gmbh Procédé et dispositif de refroidissement d'une matière solide en vrac à grain fin avec échange simultané du gaz d'espace vide contenu dans celle-ci
EP3285036B1 (fr) * 2016-08-14 2020-11-18 Dallmann engineering & Service Module d'échangeur de chaleur pour matériau en vrac

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR587075A (fr) * 1923-10-10 1925-04-10 Récupérateur
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JPS61220721A (ja) * 1985-03-25 1986-10-01 Mitsui Mining Co Ltd 移動層反応槽
DE8708906U1 (de) * 1987-06-25 1988-10-20 Wedel, Karl von, Dipl.-Ing. Dipl.-Wirtsch.-Ing., 31535 Neustadt Schachtreaktor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006045807A1 (de) * 2006-09-26 2008-04-03 Grenzebach Bsh Gmbh Wärmetauscher
WO2011015339A1 (fr) 2009-08-05 2011-02-10 Uhde Gmbh Procédé et dispositif de refroidissement d'une matière solide en vrac à grain fin avec échange simultané du gaz d'espace vide contenu dans celle-ci
DE102009036119A1 (de) 2009-08-05 2011-02-10 Uhde Gmbh Verfahren und Vorrichtung zur Kühlung eines feinkörnigen Feststoffes bei gleichzeitigem Austausch des darin enthaltenen Lückenraumgases
EP3285036B1 (fr) * 2016-08-14 2020-11-18 Dallmann engineering & Service Module d'échangeur de chaleur pour matériau en vrac

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EP0934498A1 (fr) 1999-08-11

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