DE1442889A1 - Tray column tray for columns with which gas and liquid are brought into contact - Google Patents

Description

DR. F. ZUM8TEIN - DR. E. A8SMANN - DR. R. KOENIQS PATENT LAWYERS TELEPHONE 83 84 70 and 281911 TELKanruwici »jmfiat BRAUHAueanrRAeeE Afm CHECK ACCOUNT: MDNpMEN 91199

BANKKÖNTOl ' BANKHAU H. AUFHXUSER

Lw / ld 3/2/1 Ho. 23/64

SOOIKEB POUH L'EXPLOITATION DES PROOEDES AB-DEB-HALÜEH

Nancy (Meurthe-et-IIoseli ^ France

Tray column tray for columns with which gas and liquid

being brought into contact "

The invention relates to arrangements by means of which a gas is brought into contact with a lubricant, and in particular a tray column and a column for carrying out this contact.

The aim is a tray column with a simple structure that is lightweight to build out and disassemble and with the one excellent effective contact between liquid and gas is ensured

The invention is also directed to a column for bringing gas and liquid into contact with a simple structure, which can be installed very quickly and in which the installation of the executions mentioned or Φΰαβη: can be carried out very easily.

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According to the invention, a tray column for bringing into contact is distinguished of gas with liquid, which consists of several identical elements arranged side by side and which each have two Having steps one above the other, characterized in that the lower step of each element comprises a collecting box for the liquid, the one with a suction opening and two lateral floor columns, which are arranged on both sides of a central box, and each is connected to this by openings, which are recessed in the upper part of the central wall, with an elongated partition dividing each wall into two parts and of evenly spaced openings distributed over its length is pierced, which create the connection between the two parts of the channel, and this partition wall in its upper part arched back in an egg) Wall ends, which extends over the side wall lying outside the channel and beyond and this arched back Part in tight contact with the arched back part of the corresponding partition wall of the adjacent floor or table element comes j the upper level of each element includes a distribution box for the liquid to be treated, which is above the is arranged in the lower collecting tank and has an outlet opening * is provided in the side walls, the side walls of the upper junction box arching a lower one back outwards Include part that is above the lower corresponding Chin extended to ensure fluid spread. This lower part also forms a deflection device to prevent the column leaving the tray column Stop gas entrained liquid. Furthermore is a

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upper part, in which these outlet openings for the liquid from the upper box are provided. -

The invention also relates to a column for the gas-liquid Contact with several floor columns at the top level Kind, which is characterized by the fact that the bottom and the boxes are both rectangular.

Further particularities of the invention emerge from the following Description in which reference is made to the drawings, for example:

Pig. Fig. 1 shows a plan view, with parts omitted, of three successive tray columns according to an embodiment of the invention, which are built into a liquid-gas contact column; t

Fig. 2 is a section along the line 2-2 of Fig «, 1 through the two successive floors;

Fig. 3 is a section along the line 4-4 of Fig. 1 through the two same bottom as in Fig. 2;

4 is a perspective view of a detail of the tray column in an enlarged illustration, with parts of a tray elementa and its arrangement with the adjacent elements being shown;

Fig. 5 is a vertical axial section through part of the column according to a second embodiment of the invention; and

FIG. 6 is a plan view, with parts omitted, through one of the trays according to the embodiment of FIG. 5.

Ih FIGS. 1 to 4 an embodiment of the invention is shown

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represents. In these figures, like elements have been identified with like Provided with reference numerals. In FIGS. 1 "to 3, in particular, one recognizes a cylindrical contact column for gas-liquid with a circular envelope 1 and near its center tubular stands 2 (three in number, for example) are arranged, the are evenly distributed over a circumference and one is in the middle Limit the flow to the column. In this a certain number of hanging floors P is installed one above the other, two of which are in the Section in Figures * 2 and 3 are shown. These annular trays are introduced into the column in the following manner At each tray level, tine circular Einne 3 is attached to the circumference of the envelope 1 of the column, on one end of the tray P rests · The other end of the liiikii bottom rests on a circular ring 4, which is attached to the uprights 2. These tubular uprights 2, which extend over the entire height of the column, are evenly cross braced and secured to the envelope thereof by any suitable, not shown device. The middle passage through the column forms a Manhole that makes it easy to remove all of the equipment inside. The manhole is " closed by a plate 5 in the form of a disc, which is attached to the ears by bracket 6 * Each bracket has one opening through which a threaded file 7 files in di Disc is screwed and which is surrounded by a spring 7 », which is supported against the bracket, as in the fig * 3 eu atntn, so that by compressing the spring 7, the disc moves under

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The effect of an accidental overpressure can raise the gases inside the column and thus form a safety valve.

Each botia P is made up of a number of identical elements E together, which are placed close to one another over the entire extent of the floor · In flg. 4 of the drawing you have one of these Elements shown in detail as well as the type of connection with the neighboring elements. It consists of two levels arranged one above the other. The lower stage comprises a liquid collecting box 10, which has the shape of a sector of a circle (fig. 1) with a flat bottom 11, in which an opening 12 is drilled, from where a liquid outlet pipe 13 extends. The box is bounded by two lateral converging walls 14, the upper skin of which is provided with recesses 15 evenly distributed over the length. On each side of the box are two Schütttlrinntn 16 separated from the box 11 by the with recesses provided walls 14 and limited to the outside by a wall 17 not provided with recesses. According to the illustrated form, the internal IT profile and are on The plate which forms the bottom 11 of the collecting tank is welded. A partition 18 is arranged in the longitudinal direction in each channel 16, which divides each channel into two ropes and which is pierced over its length by a number of evenly distributed openings 19, arranged under the base and recesses 15 iind und dlt dt «bring both parts of the river into connection · The style of each partition 18 is curved outward at 20

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& ■ - ■ -.- · ·

and extends above and beyond the outer wall 17 of the channel. 4, the curved part of the partition 18 comes into contact with the curved corresponding part of the adjacent floor element during the assembly of the table. The tight connection between the parts 20 is ensured by means of a longitudinal connection 21, which consists, for example, of an asbestos strand. This connection is held in place and compressed by a butt joint in the form of an arc of a circle which extends above the adjacent parts 20 of the adjacent elements. The box 10 and the interior 16 are at each end by end plates 23 Ci ¹ Ig. 3 and 4) closed, to which in particular the ends of the partition walls 18 are welded. This ensures the tightness of the lower step of the element.

Each element E also includes an upper one, through a fluid distributor rkas th 25 formed step, which is arranged above the lower box 10 and which is intended to the liquid take up which is to be brought into contact with the gas rising in the column. The box 25 consists of one flat bottom and two side walls, each made up of two elements: the one lower element 27 is arched in the shape of a circular arc towards the outside of the tub and extends above the arched one Part 20 of the corresponding partition wall 18 and above the butt tab 22 to a distance from the tub · which is slightly is less than what it would take to make the part 27-at Installation comes into contact with the corresponding part 27 of the upper box of the adjacent element (see Pig. 2) · This arrival

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Order allows the gas to leave the floor through spaces left between the upper boxes of the elements H. Every sidewall the boxes 25 ends in the upper part in an element 28 which is attached to the highest line of each element 27 and a carries a certain number of openings in the form of an arc 29, which makes it possible for the liquid in the box 25, this by flowing out to an outer end of the lower element to leave the partition wall. The dimension of the openings 29 is calculated as a function of the column content. Every upper one Box 25 is closed at each end by end plates 30 which lie on top of inner box 10 when assembled. Each Element 28 has an inwardly directed deflector plate 31 on its upper part; a plate 32 connects the brackets in the Sew the outer part of the circumference of the column and wear it upwards directed tube 33 j which is used in the upper boxes 25 the from the channel 3 of the column, which is located immediately above, to introduce coming liquid.

In Fig. 4 is a particular embodiment of each element shown with the help of plates and profiles, but this is not intended to limit the invention. The construction of the soil happens very simple by arranging the elements E side by side, so that they have one * end on the circumferential groove 3 of the Support the column and »it atm other volumes on the circular ring 4, which is attached to the tubular stands 2. The whole is towards the interior of the floor through a cover angle lashing 35 governed with circular shape, which is attached to each pipe 2 by

BAD OR | Qi _NAL

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Wedges is held. Towards the periphery, the arrangement is by the stop of the bore 33 of each element against the bottom of the Blocked channel J, which is located immediately above. the

Floors
Tightness between the XISgSSH and the wall 1 of the column is ensured by means of seals, e.g. asbestos cords 37 placed between the end plates £ 3 of the lower boxes and the wall. Cords 38 of the same type are at the other end of the bottom between the end plates 23 and the Circular ring 4 is provided.

Each channel 3 comprises means with which the liquid can flow onto the floor immediately below. These devices consist of openings 40 which are arranged above each tube 33 of the lower floor, and into these openings tubes 41 of smaller diameter than the tubes 33 are inserted, the lower end of which is gripped inside the tubes 33 and the upper end of which is inside the gutter near its upper part. '''

The tubes 41 are in the vicinity of their upper end of a hole pierced through which the "isfe" in the gutter can flow out under a certain pressure, creating an even Distribution of the liquid over the entire channel on the circumference

The bottom in the direction of the elements of the lower «» »Kl» .

flow «. ·

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m 9 -

The column is operated as follows »

The liquid coming from a tray P is in the corresponding & inne 3, in which aie aich is located. It flows then through the tubes 40 and the corresponding tubes 33 into the upper boxes 25 of the elements E of the arranged immediately below Floor back. These boxes 25, however, have an outlet opening only the openings 29 of their side walls, so that the liquid flows through this hindu and due to of the arched element of these walls is distributed in the form of a fine film and in this form on both sides of the box corresponding butt strap 22 falls.

Because of the circular arc shape of this butt joint, the liquid falls into each of the interior 16 of the tray column and into the part of it, which is arranged along the collector box 10. In these Inside 16 is the liquid in contact with the gas between the adjacent walls 17 of the interior of the adjacent Elements penetrates and from there - guided by the upper curved rope 20 of the partition walls 18 - it reaches the channel on the opposite side of the box 10. The gas flows through it because the partition walls 18 through the openings 19 and then escapes-near the passage through the liquid between the upper boxes 25 * as previously explained · the lower arched ones Form lltaente 27 of the βθitHohen walls of the boxes 25 Distractions that allow the gae to get away from them Deliberate separation that would otherwise occur when leaving the floor columns 16 bucket can be carried away. The liquid that has come into contact with the gas in the gutters is now exhausted

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this through the recesses 15 of the gutters and the collecting box 10 common band and so enters the collecting box, which it then leaves through the openings 12 and the tubes 13 to to get into the channel 3 on which this floor rests. This * The process is repeated over the entire height of the column.

As especially in the Pig. 1 and 2, the elements of the floor are advantageously carried over from one floor to the other shifted the height of the column, so that a better distribution of the inlet pipes 13 and the outlet pipes 40 inside every gutter takes place.

Due to the special arrangement of the> different, each element E forming parts it is possible to obtain an excellent intimate contact between liquid and gas, and one recognizes that due to this arrangement the liquid does not come into contact with the gas / every element of the soil just once comes what the performance of any floor significantly increases.

The Pig embodiment. 1 to 4 is especially for columns with bases of large diameter cheap ', e.g. from over 1.60 m to over 4 m. The central bore of the column can have a diameter of 0.5 to 1 m. It is found that Assembling and disassembling the floors through the centrally arranged Manhole are very easy to carry out, since the wedges 36, which by means of the planschee 35 are pulled out, cover the various floors.

enough . - "

Yerblocks, / in order to carry out their external construction. With any ' Total diameter of the bottom remains the contact between gas and:.

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Liquid due to the arrangement of the various outlet openings of the upper boxes 25 and mediated by the distribution Irrigation above the deflectors 27 excellent; in this way there is an ideal counterflow between gas and Liquid ensured, which helps avoid any liquid gradient These deflection devices 27 completely hold up the pressures of the liquid and thus increase the performance of the system.

The quality of the construction materials used to execute the trays and the column will be treated as a function of Products chosen.

5 and 6 is another embodiment of the invention shown, which is particularly suitable for columns with a small diameter (advantageously less than 1.60 m). Same Elements have the same reference numerals as mentioned in FIGS.

The column also comprises a cylindrical envelope 51, in the interior of which a series of trays P .. are installed with a square shape. These trays are installed inside the column in the following way: the channel on the circumference according to the previous embodiment is replaced by a channel in the form of a circular segment 52 which is arranged at each tray level and on which one end of the tray rests. At the other end, the trays rest on angle brackets 53 # plates 54 attached to the wall of the column between the sides of the plate and the wall of the column forcing the gases through ' BAD

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d Liren these plates P ,, At least one of the plates is advantageously mounted so they dsas under the effect of an overpressure which can be produced by any suitable device, is lifted, as such, the z, B _e in Figure "'5 shown "vurde,

The bases P. consist of a certain number of elements S ₁ placed side by side, which are constructed in the same way as the bases E of the previous embodiment, with the exception that the upper and lower boxes 25a and 10a of each element widen the shape of a triangle. An angle iron 55 fastened to the wall of the column joins the elements of each tray P ₁ in the same way as the inlet 35 according to the previous embodiment. In the shape of the lower boxes of each element, a cut evacuation ring 56, do. ^ In the corresponding one. "Meaning 5?" Evakuierungsroiiren 57 provided, which each in the top box of an egg-element the plate P ₁ open, the tat disposed immediately above, under a fixed Zwischenachaltung Bat this case connected to the intake pipe 52 (Flg. 5).

Diener From guide sf cm carried installation and removal of the soils from the upper part of the column of * namely with the same simplicity as in the A * sführungeformen according to FIGS. 1 to 4. density connections not shown tightness secure against Gases between the various floors and the

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brought elements on the one hand and the column wall on the other hand.

The operation of this column and the trays is identical to that of the column and the trays according to the previous embodiment.

The invention is of course not limited to the embodiments shown and described , since this has only been given by way of example.

-. " X * * ■■," _Λ . ^ ^:

BATH ORIGINAL

Claims (1)

Godfather tan sayings Bottom of a tray column for bringing an aes into contact with a liquid made up of several identical juxtaposed Elements that each have two over-line oilers having arranged steps, characterized in that the lower step of each element has a fluid collecting box with an evacuation opening and two lateral column channels includes, which are provided on both sides of the centrally arranged box and each with this via im Communicates openings provided at the top of the central wall; as well as a longitudinal partition dividing each channel in two Haste divides and regularly over the length distributed over the length Openings is pierced, which communicate the two ropes of the gutter let, with this partition in the upper part in a backward curved end passes over, which is above the lateral Outer wall of the channel and extending beyond it, and wherein this arched-back end in close contact with the arched-back end Rope the corresponding partition of the neighboring one At the bottom comes ^ and the upper step of each element is a box to distribute the liquid to be treated, the over is arranged in the lower collecting tank and has an outlet opening is provided in the side walls, the side walls of the .pberen Yteilerfcastena tinen under, to the outside BATH ORIGINAL Include part that extends beyond the corresponding lower channel, thereby spreading the liquid Is established and a deflection device is also created, with which the liquid which may be entrained by the gas leaving the column trough is stopped is, and with an upper part of these liquid outlet openings of the upper box includes. 2. column tray according to claim 1, characterized in that a tight connection along the line of contact between the arched parts of the immediately adjacent elements is provided and this connection in place by a butt joint that extends over these arched parts on both sides of the joint « 3. column tray according to claim 2, characterized in that the • Connection consists of a cordonized asbestos cord » ; according to one of the preceding claims, characterized in that that each upper box has an inlet pipe for the too hig. r:. ': ii ^r .l ■■? . · '■. according to one of the preceding claims, characterized · that the bottom is circular ring shape and the boxes essentially have the shape of a sector of a circle. 6. Floor according to one of claims 1 to 4, characterized in that BATH ORIGINAL 909803/0853. that the bottom and the boxes are at right angles *, 7. Column for bringing a gas into contact with a liquid, characterized by several Eolonηenbaden according to claim 1; The means by which these floors are fixed; a gutter attached to the wall of the column at 3o.floor height for receiving the liquid leaving the floor, into which the evacuation openings of the corresponding floor also open and _{; !!} That is, the flow-regulating dividing pipes, one end of which is arranged in the channel and the other end of which opens above the upper box of an element of the lower tray, in order to guide the liquid into the lower tray. " 8. Column according to claim 7, characterized by a circular ring shape these floors, and by several middle uprights on one Floors
Scope to support these jföfcgßisiäiäi are distributed. 9. Column according to claim 8, characterized in that each tray in the column by means of an Ereisringflansches fixed to the uprights is attached, on which the floor comes to rest and the other end of which rests on the corresponding one and by means of a circular Wiakeleisene fixed to the stands rests against and against the upper tier of the elements of the floor below Blocking of all elements of the soil is pressed ). Column according to one of claims 8 or 9, characterized in that that a circular plate at every floor level between the ' ■ 909803/0853 bath Stands is arranged and the central opening of the column closes, whereby the gases have to rise in here above the floors, this plate is attached so that it can lift under the effect of a gas overpressure. 11 · Column according to one of claims 7 to 10, characterized by linear directions with which a seal between trays and column wall is ensured, -12. Column according to claim 11, characterized in that these sealing devices are asbestos cords « 13 · column according to claim 8, characterized in that the elements of the floor are angularly displaced from floor to floor. 14 · Column according to claim 8, characterized in that the channels receiving the liquid are continuous, circular Are inside the column 15 · Column according to claim 7, characterized in that it has a cylinder shape possesses and has square bottoms, 16 · column according to claim 15, characterized in that the ! inside must extend along one side of the square. • 17 column according to claim 15 or 16, characterized in that between the bands of the plate and the co- BAD ORIQiNAL S0S§G3 / iS53 cone wall are provided * ■ · 3. Column according to claim 17, characterized in that at least « one of these plates is arranged at each tray level in such a way that it is located in the column in the event of excess pressure of the gas lifts * J. Single element with two stacked stages for column trays with gas-liquid contact, characterized in that the lower stage has a liquid collecting box with an evacuation opening and two lateral Eolonne channels, which are arranged on both sides of the middle box and each with this above in the upper part of it Communicating recesses arranged in the middle wall; that a longitudinal wall divides each channel into two parts and is pierced by openings evenly distributed over its length, which allow the two parts of the channel to communicate, this partition wall merging in its upper part into a curved back end, which extends above the lateral outer wall of the channel extends j and that the upper stage has a distribution box for the liquid to be treated _t which is arranged above the lower collecting tank and is provided with outlet openings in the side walls ¹ , the side walls of the upper divider box having a lower, outwardly curved rope include and extend above the corresponding lower channel in order to ensure a distribution of the liquid and to form a deflection device with which the * '"under certain circumstances through the Gfaa leaving the column channel with- 909S0 37 08S3 ^BAD cracked liquid, and that an upper Rope carries this outlet opening for the liquid aes upper box. 20 ". Eleiseoir according to claim 19" characterized in that each upper box, a feed pipe for the liquid to be treated, on, white, t. _Π - ■ .. ■ ·. · Χ ··. sri oi '' z · ex ... ,.: ι , '■ "YY' ■" ι 9 0 9 8 0