Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
  • B01D3/008—Liquid distribution
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
  • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
  • B01D53/18—Absorbing units; Liquid distributors therefor
  • B01D53/185—Liquid distributors
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
  • B01D53/34—Chemical or biological purification of waste gases
  • B01D53/46—Removing components of defined structure
  • B01D53/48—Sulfur compounds
  • B01D53/50—Sulfur oxides
  • B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
  • B01D53/504—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific device

Definitions

• the invention relates to a device for
• the liquid may contain dissolved and / or dispersed gas or gas compositions.
• the liquid may additionally or alternatively at least one further dissolved and / or dispersed
• Liquid and / or contain at least one dissolved and / or dispersed solid Liquid and / or contain at least one dissolved and / or dispersed solid.
• such a fluid is sulfuric acid.
• Sulfuric acid plants are one
• An object of the invention is to develop a device for distributing the liquid on the packed body, the resulting by simple means
• At least one distributor arm having a first chamber and one of the first chamber in
• Perforated plate 4 is arranged, and wherein the second chamber has an outlet wall, wherein in the outlet wall at least one outlet slot, preferably a plurality
• Device comprises a guide surface on which impinges in operation from the outlet slots escaping fluid and is poured out of the distributor.
• the distributor arm has a lid which delimits the first chamber upwards, and a bottom which delimits the first chamber downwards and which at the same time is the lid of the second chamber, which raises it upwards limited.
• Fluids in the first chamber and the outlet slots in the one outlet wall of the second chamber has a completely closed to the outside distributor arm. Furthermore, to the first chamber and the second chamber
• the first chamber is bounded on the side opposite the side wall by a side wall extending from the lid of the first chamber to the bottom of the first chamber, the second chamber being on the opposite side of the side wall of the
• Outlet slits are located, and wherein the side wall of the first chamber from the direction of its extension, starting from the lid as seen after the bottom in the guide surface
• the invention provides a structurally simple construction that allows, for example, essentially alone from planar sheets by bending or bending and attaching a straight
• Distributor arm is designed in the manner of a tube, which in particular has a circular cross-section.
• the distributor arm in order to promote a uniform distribution of the fluid flowing into the first chamber as a liquid film on the bottom of the first chamber, the distributor arm in an advantageous embodiment of the invention in
• Part of the bottom of the first chamber is.
• the uniform distribution of the fluid in the chambers of the Verteilerarms can be promoted in an advantageous development of the invention characterized in that the Verteilerarm has at least one gas outlet, wherein in particular in the cover of the first chamber at least one vent tube is positioned. Additionally or alternatively, the Verteilerarm has at least one gas outlet, wherein in particular in the cover of the first chamber at least one vent tube is positioned.
• Distribution arm in the invention comprise at least one venting device located inside the distributor arm, wherein in particular in the bottom of the first chamber at least one vent tube between the first chamber and the second chamber is positioned.
• a stable supply of the fluid, for example, into a packed body in the form of a liquid film and not as a drop is thereby reliably
• the second chamber only one exit wall through which fluid can leave the second chamber during operation of the device.
• the dimensioning of the size of the openings in the perforated plate and the outlet slots is independent of the volume flow of the fluid and is measured according to the occurring during operation maximum particle size in liquid flow. In the context of the invention, these risks of blockages can be reduced by the fact that in an advantageous embodiment of the device the diameter of the openings of the perforated plate is at least 4 mm and / or that the dimensions of the outlet slots are larger than those of the openings in the perforated plate. This will be discussed in more detail below.
• the device with at least one
• Emptying opening is positioned, which in particular is dimensioned larger than the openings of the perforated plate.
• the invention can be used for the following preferred fields of use: for distribution of sulfuric acid in drying tower for distribution of sulfuric acid in absorption towers for dispersing aqueous H 2 O 2 solutions in
• the invention is suitable for distributing any liquid media, in particular to random packings.
• the invention offers the advantage that the
• Robots especially for welding. Openings or holes in the sheets can be punched both mechanically and manually.
• the invention also provides a distributor arm and a perforated plate for a sprinkler system as described above. Particularly suitable is such a
• Embodiments can be combined with each other. Show it:
• Figure 1 is a sprinkler system 10
• Figure 2 is a schematic representation of a
• Figure 3 is a schematic side view of a
• Figure 4 is a schematic representation of another
• Figure 5 is a schematic side view of a
• FIG. 6 is a schematic perspective view of a distribution arm in another
• Figure 7 is a schematic perspective view
• Figure 8 is a schematic perspective view
• Figure 9A is a schematic perspective views of a distributor arm in a variation of
• FIG. 9B shows a schematic perspective view of a distributor arm in a further variation of the invention.
• Figure 10 is a schematic representation of variations of
• Figure 11 is a schematic representation of variations of
• FIG. 12 shows a schematic and functional representation of the fluid flow in a distributor arm of FIG. 12
• FIG. 13A shows a schematic and functional representation of the fluid flow in a distributor arm of a sprinkler system according to a further embodiment of the invention in a partially broken perspective view
• FIG. 13B shows a schematic and functional representation of the fluid flow in a distributor arm of a sprinkling system according to the embodiment of the invention shown in FIG. 13A
• FIG. 14 shows a known device for fluid distribution
• FIG. 15 shows a known device for fluid distribution
• FIG. 16 shows a known device for fluid distribution
• FIG. 17 shows a known device for fluid distribution
• Figure 20 is a schematic representation of another
• FIG. 1 shows a sprinkling system 10 or falling film fluid distributor according to the invention.
• Sprinkler system 10 in the example shown comprises eight devices 1.
• the sprinkler system 10 further comprises a supply device 100 which is shown in FIG.
• Devices 1 arranged pipe 120 includes, which is connected to a feed line 150.
• Irrigation system 10 can be placed in an advantageous manner as shown in Figure 1 simply on the upper edge of the wall (lining) 8 of the system component containing the packed bed 7, which is to be wetted. There is no further attachment necessary.
• the invention allows a clear
• the packed bed 7 may be arranged, which in
• a sieve is attached in a unit containing a packed bed, for example
• Liquids applied via openings of relatively thin tubes on the packed bed Such openings can be clogged by the fragments of the packing.
• the sprinkling system 10 according to FIG. 1 according to the invention is particularly suitable for packed packings and comprises at least one device 1 for distributing a fluid jet to a width B having at least one
• Device 2 for supplying the fluid, at least one distributor arm 3 with a first chamber 31 and one of the first chamber in the flow direction S of the fluid
• Outlet slot 5 preferably a plurality of outlet slots 5, are present, and wherein the device 1 a
• Guide surface 6 includes, on which in operation from the
• the acid amount corresponds to the hole area, for the invention in particular to the entire cross-sectional area of the
• the size of openings can be determined independently of the amount of acid. This is because of how the second chamber 32 of the device 1 interacts with the first chamber 31.
• Figure 2 shows a schematic representation of a
• the distributor arm 3 has a feed device 2 for the fluid to be distributed. Furthermore, according to a first embodiment, the distributor arm has a cover 36 which delimits the first chamber 31 at the top (compare FIGS.
• the first chamber is bounded below by a bottom 40.
• the bottom 40 of the first chamber 31 is at the same time the lid of the second
• Chamber 32 First and second chambers together are bounded on one side by a side wall 35 which extends from the lid 36 of the first chamber 31 to the bottom 33 of the second chamber 32. On the side wall 35th
• the first chamber 31 is bounded by a side wall 37 which extends from the lid 36 of the first chamber 31 to the bottom 40 of the first chamber
• the second chamber 32 is on the
• Outlet slots 5 are located.
• the side wall 37 of the first chamber 31 is seen from the direction of its extension starting at the lid 36 seen after the bottom 40 in the
• the distributor arm 3 is designed in the manner of a tube which, for example, has a circular cross-section. While The embodiment described above can also be produced automatically by bending sheets in a simple manner, can be explained in the following round
• Variant of the Verteilerarms by drawing a bottom 400 in a tube and attaching the guide surface 600 are also made in a simple manner. This further
• Embodiment of the invention is shown in Figures 4, 5, 13A and 13B.
• Region 340 corresponding to the exit wall 34 are. Due to the curved, in particular round shape, in this embodiment the distance D au s between the region 340 with the outlet slots 5 and the guide surface 600 is a function of the distance x from the
• the bottom 40 of the first chamber 31 comprises
• the perforated plate 4 is the
• the bottom 40 points in the direction of flow S (see also FIGS. 9B, 13A, 19, 20 and 21) of the fluid flowing through the device 2, as seen in the region 42 opposite to the device 2 in FIG
• the device 1 can thus have a stop plate under the inlet 2.
• a stop plate can be an integral part of the bottom 40 of the first chamber 31 in the form of the region 2 opposite the device 2 for supplying the fluid.
• the at least one perforated plate 4 may be an integral part of the bottom 40 of the first
• the inflowing fluid is distributed in the operation of the device 1 in the first chamber 31 to the outside.
• the openings 45 in the perforated plate 4 serve to distribute the liquid over the entire length of the device 1. It is in the operation of the device 1 in the first
• Liquid film F2 generated.
• the second chamber 32 has according to the invention only one such exit wall 34 through which leave the second chamber 32 during operation of the device 1 fluid can. Openings to the outside has the distributor arm 3 according to the invention alone with the device 2 for
• Distributor 3 to the outside completely closed, in particular, so to speak, in the manner of a box or pipe, constructed and while in his
• Embodiment is illustrated.
• the outwardly so substantially closed shape of the Verteilerarms 3 according to the invention also show the
• Triangular surface is open.
• the outlet slots 5 are in the outlet wall 34 of the second chamber 32 with the
• outlet slots 5 each have the shape of an isosceles triangle and are in the
• FIG. 10 shows further variants of forms of the outlet slots 5 according to the invention
• outlet slots 5 are dimensioned significantly larger than the openings of the perforated plate. 4
• Outlet slots 5 according to the invention can not be solved by themselves from the packing filling dissolving fragments
• the openings are dimensioned sufficiently large.
• the holes in the perforated plate 4 are selected approximately 150% larger in diameter than the largest particles in the system circuit of the system in which the device 1 is installed.
• the holes in the perforated plate 4 are selected approximately 150% larger in diameter than the largest particles in the system circuit of the system in which the device 1 is installed.
• the diameter of the openings 45 of the perforated plate 4 amount to at least 4 mm.
• the dimensions of the outlet slots 5 are preferably larger than those of the openings in the perforated plate 4
• Perforated plate 4 can be completely or partially replaced by a wire mesh.
• a wire mesh is made of one or more wires
• Permeability function of the perforated plate 4 maintained but constructive design varies when constructive or
• FIG. 2A another embodiment of the invention is shown in FIG. 2A in a plane perpendicular to FIG. 2A
• Device 1 shown schematically in an in the longitudinal direction 12 partially broken illustration. It can be seen the inlet 2, the first chamber 31, the perforated plate 4, the second chamber 32 and the outlet slots 5.
• the openings 45 of the perforated plate 4 between the first and second chamber a rectangular profile.
• a plurality of openings 45 are aligned with their outer sides side by side to form a plurality of rows, wherein the in
• both the shape of the openings 45 and the relative arrangement of the openings 45 to each other can be varied.
• the shape, size and relative arrangement of the openings to each other, for example, on the flow behavior and the required throughput of distributed over the device 1 fluid can be tuned.
• an arrangement with elongated is shown in Figures 2, 4, 9B and 13A
• Openings 45 which a rounded, in particular
• FIG. 2 also shows an arrangement of the openings 45 in the perforated plate 4 in rows next to one another and, as it were, one above the other, offset relative to one another.
• FIG. 11 shows further shapes for the openings 45
• a drain opening 320 is positioned as shown in FIGS. 2A, 20 and 21.
• the emptying opening 320 may in particular be arranged centrally in the bottom of the second chamber 32 of the distributor arm 3.
• the emptying opening is preferably arranged in the region of the transition of the outlet wall 34 into the bottom 33 of the second chamber 32. Also the
• Discharge opening 320 is larger than the dimensioned Openings of the perforated plate 4. It allows an im
• the free passage area for gas is within the scope of the invention preferably about 65 to 80% of the total area.
• FIG. 15 shows a known device for the
• FIG. 16 shows a known fluid distribution device from US 5906773 A.
• FIG. 17 shows a known device for distributing fluid from US Pat. No. 5,439,620 A.
• the speed of the fluid supply into and through the device 2 for the supply of fluid in the range between 0.5 m / s and 3 m / s and is preferably 2 m / s.
• the dimensioning of the Verteilerarms is preferably so adjusted, that at a speed of fluid supply into and through which preferably 2 m / s, the velocity in the flow in the film Fl in the first chamber 31 in the range between 0.25 m / s and 3 m / s and preferably 1 m / s is.
• the speed at which the fluid passes through the openings 45 of the perforated plate 4 is in the range between 0.2 m / s and 1 m / s and is preferably 0.5 m / s.
• the exit velocity of the fluid from the outlet slots 5 is in the range between 0.05 m / s and 0.4 m / s and is preferably 0.2 m / s
• the guide surface 6 is shown in FIG. 18 in relation to a packed bed 7. In the context of the invention, it is also possible, the guide surface 6 with a
• Angle (alpha) between such a projection 65 and the rest of the guide surface 6 can be selected depending on the operating conditions tailored to the specific application. For example, the approach 65 so on the
• Guide surface mounted so that it is substantially perpendicular, in particular parallel to the side walls of the chambers 31 and 32 (see, for example, Figure 3) extends. This allows the inflow of the fluid or be adjusted in the packed body in the application of the device.
• FIGS. 20 and 21 show further embodiments of the invention in which the distributor arm
• the device 1 comprises the device 2 for supplying the fluid into the first chamber 31 and the outlet slots 5 in the one
• Vent pipes 311 one outwards completely
• vent tubes 311 are seated in the example shown on the remote from the means 2 for supplying the fluid ends of the
• Vent tubes 311 ensures that the fluid is distributed in the operation of the device 1 in the entire distribution arm 3 and no gas in the chamber 31 stops.
• the length of the tube 311 measured starting from the cover 36 (in the illustration, ie, "upwards") during operation with a possible slight outflow of the fluid from the vent tube 311, one can ensure a certain admission pressure in the distributor arm 3 the fluid is supplied under pressure through the device 2.
• a further variant of the invention provides a vent lying inside the distributor arm 3. An example of this is shown in FIG. In this case, two vent pipes 321 are positioned between the first chamber 31 and the second chamber 32 in the bottom 40 of the first chamber. These sit in the example shown on the of the of the
• the inventive device 1 is also called
• the device according to the invention as a falling-film distributor, enables uniform irrigation along the distributor arm through its liquid chamber, which comprises the first and second chambers includes, with the lowest speed of the exiting liquid - for example in the
• Constipation risk because the smallest dimension is at least 50% larger than the mesh size.
• the passage area for gas is preferably about 65 to 80% of the total area of the device 1.
• the irrigation in the case of manifolds is not uniform but locally through holes along the tubes on both sides thereof.
• Liquid inlet velocity is about 1 m / sec or more by internal pressure, and a small amount of small drops is formed. Due to the small hole diameter there is a high risk of clogging.
• the liquid inlet velocity is low due to the small column of liquid in the groove and the formation of small drops is avoided. Due to the low
• the free passage area for gas here is also only about 45 to 60% of the total area.
• irrigation is more than 50% over the top of the packing.
• Liquid inlet velocity is about 1 to 2 m / sec due to the internal pressure.
• a large amount of small drops is formed by the deflection, which requires a low gas velocity.

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• Chemical & Material Sciences (AREA)
• Engineering & Computer Science (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Analytical Chemistry (AREA)
• General Chemical & Material Sciences (AREA)
• Oil, Petroleum & Natural Gas (AREA)
• Health & Medical Sciences (AREA)
• Biomedical Technology (AREA)
• Environmental & Geological Engineering (AREA)
• Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
• Supply Of Fluid Materials To The Packaging Location (AREA)
• Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
• Physical Or Chemical Processes And Apparatus (AREA)

Applications Claiming Priority (2)

Publications (1)

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• 2017
  • 2017-09-14 DE DE202017105557.4U patent/DE202017105557U1/de active Active
• 2018
  • 2018-09-14 KR KR1020207010703A patent/KR102598750B1/ko active IP Right Grant
  • 2018-09-14 MA MA050237A patent/MA50237A/fr unknown
  • 2018-09-14 AU AU2018332058A patent/AU2018332058B2/en not_active Expired - Fee Related
  • 2018-09-14 WO PCT/EP2018/074900 patent/WO2019053197A1/de active Search and Examination
  • 2018-09-14 MX MX2020002893A patent/MX2020002893A/es unknown
  • 2018-09-14 PE PE2020000337A patent/PE20201273A1/es unknown
  • 2018-09-14 EP EP18773127.8A patent/EP3681613A1/de active Pending
• 2020
  • 2020-03-13 CL CL2020000660A patent/CL2020000660A1/es unknown

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