CN110193213B - Anti-blocking tower tray - Google Patents
Anti-blocking tower tray Download PDFInfo
- Publication number
- CN110193213B CN110193213B CN201910553579.7A CN201910553579A CN110193213B CN 110193213 B CN110193213 B CN 110193213B CN 201910553579 A CN201910553579 A CN 201910553579A CN 110193213 B CN110193213 B CN 110193213B
- Authority
- CN
- China
- Prior art keywords
- tray
- holes
- hole
- cap cover
- cap
- 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.)
- Active
Links
Images
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
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
Abstract
The invention discloses an anti-clogging tower tray which comprises a tower tray, wherein a plurality of first through holes penetrating through the tower tray are arranged on the tower tray, a plurality of vertically arranged gas risers are also fixed on the tower tray, and each gas riser is communicated with the first through holes arranged on the tower tray; each gas rising pipe is sleeved with a cap, a second through hole penetrating through the cap is arranged on the peripheral surface of the cap, an obliquely arranged overflow weir is further arranged at the edge of the tower tray, and a plurality of third through holes arranged along the extending direction of the overflow weir are arranged at the bottom of the overflow weir; and a plurality of guide holes protruding out of the surface of the tray are also arranged between the first through hole and the third through hole of the tray. The invention has the advantages of good anti-blocking effect and high gas-liquid phase mass transfer efficiency.
Description
Technical Field
The invention relates to gas-liquid heat and mass transfer equipment in chemical engineering and industry, in particular to an anti-clogging tower tray for chemical mass transfer separation.
Background
The separation of the mixture is an important process in chemical production, the rectification is a typical unit operation for separating liquid mixtures, and the tray is used as an important mass transfer equipment element for the rectification operation and is widely applied. Due to the difference of raw material, some internal parts of the tower will have increased resistance of single plates and poor separation effect after running for a period of time, for example, in many industries such as petrochemical industry, chlor-alkali, fertilizer and coal chemical industry, when the tower is used for separation, the materials often contain a large amount of solid impurities (such as mud and sand, carbon black and the like) or substances (such as CaCl and the like) which are easy to scale are generated due to chemical reaction2、CaCO3、MgCO3Etc.) cause the blockage of trays or packing, so that the equipment has to be frequently stopped for cleaning and descaling, and the normal production is seriously influenced.
In order to solve the problem of tower tray blockage, a plurality of anti-blockage tower trays are provided, such as an inclined hole tower tray, a novel vertical sieve plate, a membrane injection non-back-mixing tower tray and the like. The smooth flow of gas is guaranteed to trompil that utilizes fixed shape and size such as inclined hole tower tray, novel perpendicular sieve board, can prolong the operating cycle of equipment to a certain extent, but is applied to the occasion that blocks up very easily, can only keep operating cycle 30 ~ 90 days, still can not guarantee the long-term steady operation of tower equipment. The film jet non-back mixing tower tray utilizes the raised strip jet holes on the tower tray to prolong the blocking time of the tower tray, but the structure for eliminating entrainment is more complex, the material consumption is higher, and the cost is also improved greatly.
Patent CN01221921 discloses a bubble cap three-dimensional sieve plate integrating the performances of a vertical sieve plate and a bubble cap tray, the bubble cap three-dimensional sieve plate has the mass transfer function of film-drawing atomization of the vertical sieve plate and the bubble cap bubbling mass transfer function, and the gas-liquid mass transfer effect of the tray is greatly enhanced.
Patent CN201420462797 discloses an anti-blocking type solid valve tray, which slows down the blockage of solid impurities to a gas outlet in the liquid flowing process by installing or welding a gas-raising pipe higher than the tray by a certain height on the tray, but does not consider the problem of removing the solid impurities, so that the solid impurities accumulated around the gas-raising pipe are more and cannot be smoothly discharged from the tray with the increase of the operation time, the accumulation is formed around the gas-raising pipe and on the tray, the regular shutdown cleaning is required, and the continuous operation of the production is seriously influenced.
Disclosure of Invention
In view of the deficiencies in the prior art, the present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the invention aims to provide the anti-blocking tower tray which is good in anti-blocking effect and high in gas-liquid phase mass transfer efficiency, so that the anti-blocking capacity of the tower tray is enhanced. The specific technical scheme is as follows:
an anti-clogging tray, characterized in that: the tray is provided with a plurality of first through holes penetrating through the tray, a plurality of vertically arranged gas risers are fixed on the tray, and each gas riser is communicated with the first through hole arranged on the tray; each gas lift pipe is sleeved with a cap, and the peripheral surface of each cap is provided with a second through hole penetrating through the cap; the edge part of the tray is also provided with an obliquely arranged overflow weir, and the bottom of the overflow weir is provided with a plurality of third through holes arranged along the extending direction of the overflow weir; and a plurality of guide holes protruding out of the surface of the tray are also arranged between the first through hole and the third through hole of the tray.
The preferable technical scheme is characterized in that the first through holes are arranged in multiple rows and multiple columns, the aperture ratio of the first through holes is in direct proportion to the diameter of the tray, and the first through holes are rectangular or circular; when the first through hole is circular, the aperture of the first through hole is 60-180 mm; the distance L0 between the centers of the first through holes between two adjacent rows is 100-200 mm, and the vertical distance M0 between the first through holes between two adjacent columns is 100-200 mm; when the first through holes are rectangular, the side length of each first through hole is 60-180 mm multiplied by 40-120 mm, the hole center distance L0 of the first through holes between two adjacent rows is 100-200 mm, and the vertical distance M0 of the first through holes between two adjacent rows is 100-200 mm.
The preferable technical scheme is characterized in that the gas lift pipe is 50-150 mm higher than the surface of the tray, the gas lift pipe is arranged in a pyramid or cone shape, an included angle alpha between the side surface and the lower end surface of the gas lift pipe is 60-80 degrees, and the shape and size of the cross section of the lower end of the gas lift pipe are matched with the shape and size of the first through hole.
The preferable technical scheme is characterized in that the cap is arranged in a cylinder or pyramid shape, when the cap is arranged in a cylinder, the outer diameter of the cap is 60-180 mm, and the height of the cap (3) is 100-250 mm; when the cap is arranged in a pyramid shape, an included angle beta between the side face and the upper end face of the cap ranges from 90 degrees to 120 degrees, the height of the cap ranges from 100mm to 250mm, and the specification of the upper end face of the cap ranges from 60mm to 180mm and is multiplied by 50mm to 150 mm.
The preferable technical scheme is characterized in that the lower end of each cap is also provided with 3-4 support legs fixed on the surface of the tower tray; the clearance between the lower end of the cap and the surface of the tower tray is 5-200 mm.
The preferable technical scheme is characterized in that the second through holes are rectangular or circular and are arranged on the outer peripheral surface of the cap cover in 2-4 rows in a surrounding manner; when the second through holes are rectangular, the specification of the second through holes is 5-15 mm multiplied by 5-15 mm, and the distance L2 between two adjacent rows and two adjacent columns of the second through holes is 10-25 mm; when the second through holes are circular, the diameter specification of the second through holes is 5-15 mm, and the distance L2 between two adjacent rows of the second through holes is 10-25 mm; the opening rate of the second through hole is in direct proportion to the specification of the cap.
The preferable technical scheme is characterized in that the specification of the third through holes is 10-30 mm multiplied by 5-20 mm, the hole center distance L3 between every two adjacent third through holes is 20-40 mm, and the number of the third through holes is in direct proportion to the diameter of the tray.
The preferable technical scheme is characterized in that the guide holes are punched in a mode of arranging a plurality of rows and a plurality of columns, and the openings of the guide holes face one side of the overflow weir; the opening angle theta of the guide hole is 15-60 degrees; the guide hole is rectangular or semicircular; when the guide hole is semicircular, the diameter of the guide hole is 20-60 mm; when the guide holes are rectangular, the specification of the guide holes is 20-60 mm multiplied by 10-50 mm, the center distance L1 between two adjacent rows of the guide holes is 30-90 mm, the distance M1 between two adjacent rows of the guide holes is 30-100 mm, and the number of the guide holes is in direct proportion to the diameter of the tray.
The preferable technical scheme is characterized in that the included angle gamma between the overflow weir and the tower tray is 120-140 degrees, and the upper end of the overflow weir is 20-60 mm higher than the upper end of the gas rising pipe in the vertical direction and is not higher than the second through hole arranged at the lowest position of the outer peripheral surface of the cap cover.
The invention has the beneficial effects that:
1. according to the anti-clogging tower tray, the gas riser connected to the tower tray can greatly improve the mass transfer efficiency of a gas-liquid phase, and meanwhile, the gas riser is higher than the tower tray by a certain height, so that solid impurities can fall around the outer wall of the gas riser for treating materials containing a large amount of solid impurities, the capacity of containing the solid impurities is improved, and the blockage of a gas channel is avoided.
2. According to the anti-blocking tower tray, the overflow weir which is arranged on the tower tray in an inclined mode and the third through holes which are arranged along the extending direction of the overflow weir are beneficial to enabling solid impurities to flow out of the tower tray, and the accumulation of the solid impurities on the tower tray is reduced.
3. According to the anti-blocking tower tray, the guide hole arranged between the first through hole and the third through hole is punched, the outlet protruding out of the plane of the tower tray faces one side of the overflow weir, and the existence of the guide hole is beneficial to pushing solid impurities to flow out of the tower tray through the rectangular hole at the bottom of the overflow weir and the inclined overflow weir.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIGS. 1 and 2 are schematic plan views of the present invention;
fig. 3 and 4 are schematic diagrams of the tray configuration of the present invention;
FIGS. 5, 6, 7 and 8 are schematic views of the cap construction of the present invention;
FIGS. 9 and 10 are schematic views of the draft tube construction of the present invention;
FIG. 11 is a cross-sectional view of C1-C1 of FIG. 5;
FIG. 12 is a cross-sectional view C2-C2 of FIG. 7;
FIG. 13 is a cross-sectional view C3-C3 of FIG. 9;
FIG. 14 is a cross-sectional view of a portion of the weir and tray connection of the present invention;
FIG. 15 is a cross-sectional view of a portion of the pilot hole to tray connection of the present invention;
FIG. 16 is a schematic view of a weir arrangement according to the present invention;
FIGS. 17 and 18 are top views of the pilot hole;
fig. 19 is a schematic diagram of the principle of the present invention.
The meanings indicated by the respective reference numerals are as follows;
1-tray, 11-first through hole, 2-riser, 3-cap, 31-second through hole, 4-guiding hole, 5-third through hole, 6-overflow weir, 7-support leg, a-gas, b-liquid, c-solid impurity, d-liquid drop or mist.
Detailed Description
Here, it is to be noted that the functions, methods, and the like related to the present invention are only conventional adaptive applications of the prior art. Therefore, the present invention is an improvement of the prior art, which is substantially in the connection relationship between hardware, and not in the functions and methods themselves, that is, the present invention relates to a point of functions and methods, but does not include the improvements proposed in the functions and methods themselves. The description of the present invention as to functions and methods is provided for better illustration and understanding of the present invention.
Example one
As shown in fig. 1 to 18, the present embodiment provides an anti-clogging tray, which includes a tray 1 with a diameter of 1.2m, wherein a plurality of first through holes 11 penetrating through the tray 1 are arranged on the tray 1, in the first embodiment, the first through holes 11 are arranged in a plurality of rows and a plurality of columns, and the first through holes 11 are circular; the aperture of the first through hole 11 is 60 mm; the hole center distance L0 of the first through hole 11 between two adjacent rows is 100 mm; the vertical distance M0 between the first through holes 11 between two adjacent columns is 100mm, a plurality of vertically arranged gas risers 2 are further fixed on the tray 1, and each gas riser 2 is communicated with the first through hole 11 arranged on the tray 1; in the first embodiment, the gas lift tube 2 is arranged in a frustum pyramid shape, the included angle α between the side surface and the lower end surface of the gas lift tube 2 is 65 degrees, and the gas lift tube 2 is 50mm higher than the tray; each gas lift pipe 2 is sleeved with a cap 3, three rows of second through holes 31 penetrating through the cap 3 are arranged on the peripheral surface of the cap 3, and the lower end of each cap 3 is also provided with a support leg 7 fixed on the surface of the tower tray 1.
In this embodiment, the cap 3 is arranged in a cylinder, the height of the cap 3 is 100mm, the diameter of the cap 3 is 60mm, and a gap of 10mm is left between the cap 3 and the tray 1. The second through holes 31 are arranged in a rectangle of 10mm × 10mm, and L2 is 15mm, and if the second through holes 31 are circular, the diameter of the second through holes 31 is 10mm, and L2 is 15 mm. The edge of the tray 1 is also provided with an overflow weir 6 which is obliquely arranged, and the bottom of the overflow weir 6 is provided with a plurality of third through holes 5 which are arranged along the extending direction of the overflow weir 6; the third through hole 5 is 10mm × 5mm in size, and L3 is 20 mm. A plurality of guide holes 4 protruding out of the surface of the tray 1 are also arranged between the tray 1 corresponding to the first through holes 11 and the third through holes 5. The guide hole 4 is semicircular in shape in the present embodiment, wherein: the diameter of the guide hole 4 is 20mm, the opening angle theta is 60 degrees, the L1 is 30mm, and the gamma is 120 degrees. The vertical distance from the center of the guide hole 4 to the overflow weir 6 is 100 mm. The overflow weir 6 is 20mm higher than the upper surface of the gas rising pipe 2 in the vertical direction. The structure can effectively prevent the solid impurities c from blocking the tower tray 1 and improve the gas-liquid phase mass transfer efficiency of the tower tray 1.
Example two
As shown in fig. 1 to 18, the diameter of the tray 1 of this embodiment is 2.4m, a plurality of first through holes 11 penetrating through the tray 1 are arranged on the tray 1, in this embodiment, the first through holes 11 are arranged in a plurality of rows and columns, and the first through holes 11 are circular; the diameter of the first through hole 11 is 100 mm; l0 ═ 200 mm; m0 is 200 mm. A plurality of vertically arranged gas risers 2 are also fixed on the tray 1, and each gas riser 2 is communicated with a first through hole 11 arranged on the tray 1.
In the present embodiment, the gas lift tube 2 is arranged in a truncated pyramid shape, an included angle α between the side surface and the lower end surface of the gas lift tube 2 is 70 °, and the gas lift tube 2 is 100mm higher than the tray; each gas lift pipe 2 is sleeved with a cap 3, three rows of second through holes 31 penetrating through the cap 3 are arranged on the peripheral surface of the cap 3, and the lower end of each cap 3 is also provided with 3 support legs 7 fixed on the surface of the tray 1; in this embodiment, the caps 3 are arranged in a cylinder, the height of the caps 3 is 200mm, the diameter of the caps 3 is 100mm, and a gap of 10mm is left between the caps 3 and the tray 1. The second through holes 31 are arranged in a rectangular shape of 15mm × 15mm, and L2 is 20mm, and if the second through holes 31 are circular, the diameter of the second through holes 31 is 15mm, and L2 is 20 mm.
The edge of the tray 1 is also provided with an overflow weir 6 which is obliquely arranged, and the bottom of the overflow weir 6 is provided with a plurality of third through holes 5 which are arranged along the extending direction of the overflow weir 6; the third through hole 5 is 20mm × 10mm in size, and L3 is 40 mm. A plurality of guide holes 4 protruding out of the surface of the tray 1 are also arranged between the tray 1 corresponding to the first through holes 11 and the third through holes 5. The guide hole 4 is semicircular in shape in the present embodiment, wherein: the diameter of the guide hole 4 is 50mm, the opening angle theta is 60 degrees, the L1 is 90mm, and the gamma is 140 degrees. The vertical distance from the center of the guide hole 4 to the overflow weir 6 is 50 mm. The overflow weir 6 is 30mm higher than the upper surface of the gas rising pipe 2 in the vertical direction. The structure can effectively prevent the solid impurities c from blocking the tower tray 1 and improve the gas-liquid phase mass transfer efficiency of the tower tray 1.
EXAMPLE III
As shown in fig. 1 to 18, the diameter of the tray 1 in this embodiment is 2.4m, a plurality of first through holes 11 penetrating through the tray 1 are arranged on the tray 1, in this embodiment, the first through holes 11 are arranged in a plurality of rows and columns, and the first through holes 11 are arranged in a rectangle with the specification of 100mm × 80 mm; l0 ═ 200 mm; m0 is 200 mm. A plurality of vertically arranged gas risers 2 are also fixed on the tray 1, and each gas riser 2 is communicated with a first through hole 11 arranged on the tray 1.
In the embodiment, the gas lift tube 2 is arranged in a quadrangular frustum, the included angle α between the side surface and the lower end surface of the gas lift tube 2 is 70 degrees, and the gas lift tube 2 is 100mm higher than the tray; each gas lift pipe 2 is sleeved with a cap 3, three rows of second through holes 31 penetrating through the cap 3 are arranged on the peripheral surface of the cap 3, and the lower end of each cap 3 is also provided with 3 support legs 7 fixed on the surface of the tray 1; in the present embodiment, the cap 3 is arranged in a quadrangular pyramid shape, an included angle β between the side surface of the cap 3 and the upper end surface is 120 °, and the cross section of the upper end surface of the cap 3 is 120mm × 100 mm. The height of the cap 3 is 200mm, and a gap of 15mm is reserved between the cap 3 and the tray 1. The second through holes 31 are arranged in a circular shape with the diameter of 15mm, L2 is 20mm, the edge of the tray 1 is also provided with an inclined overflow weir 6, and the bottom of the overflow weir 6 is provided with a plurality of third through holes 5 arranged along the extending direction of the overflow weir 6; the third through hole 5 is 20mm × 10mm in size, and L3 is 35 mm.
A plurality of guide holes 4 protruding out of the surface of the tray 1 are also arranged between the tray 1 corresponding to the first through holes 11 and the third through holes 5. The guide hole 4 is rectangular in this embodiment, wherein: the specification of the guide hole 4 is 40mm × 30mm, the opening angle θ is 15 °, L1 is 60mm, and γ is 120 °. The vertical distance from the center of the guide hole 4 to the overflow weir 6 is 150 mm. The overflow weir 6 is 30mm higher than the upper surface of the gas rising pipe 2 in the vertical direction. The structure can effectively prevent the solid impurities c from blocking the tower tray 1 and improve the gas-liquid phase mass transfer efficiency of the tower tray 1.
Example four
As shown in fig. 1 to 18, the diameter of the tray 1 of this embodiment is 3.6m, a plurality of first through holes 11 penetrating through the tray 1 are arranged on the tray 1, in this embodiment, the first through holes 11 are arranged in a plurality of rows and columns, and the first through holes 11 are arranged in a rectangle with the specification of 180mm × 120 mm; l0 ═ 200 mm; m0 is 200 mm. A plurality of vertically arranged gas risers 2 are also fixed on the tray 1, and each gas riser 2 is communicated with a first through hole 11 arranged on the tray 1.
In the embodiment, the gas lift tube 2 is arranged in a quadrangular frustum, the included angle α between the side surface and the lower end surface of the gas lift tube 2 is 70 degrees, and the gas lift tube 2 is 150mm higher than the tray; each gas lift pipe 2 is sleeved with a cap 3, three rows of second through holes 31 penetrating through the cap 3 are arranged on the peripheral surface of the cap 3, and the lower end of each cap 3 is also provided with 3 support legs 7 fixed on the surface of the tray 1; in the present embodiment, the cap 3 is arranged in a quadrangular pyramid shape, the included angle β between the side surface of the cap 3 and the upper end surface is 120 °, and the cross section of the upper end surface of the cap 3 is 180mm × 150 mm. The height of the cap 3 is 250mm, and a gap of 15mm is reserved between the cap 3 and the tray 1. The second through holes 31 are arranged in a circle with a diameter of 10mm and L2 is 20mm, and if the second through holes 31 are rectangular, the second through holes 31 have a size of 10mm × 10mm and L2 is 20 mm. The edge of the tray 1 is also provided with an overflow weir 6 which is obliquely arranged, and the bottom of the overflow weir 6 is provided with a plurality of third through holes 5 which are arranged along the extending direction of the overflow weir 6; the third through hole 5 is 30mm × 10mm in specification, and L3 is 40 mm.
A plurality of guide holes 4 protruding out of the surface of the tray 1 are also arranged between the tray 1 corresponding to the first through holes 11 and the third through holes 5. The guide hole 4 is rectangular in this embodiment, wherein: the specification of the guide hole 4 is 60mm × 50mm, the opening angle θ is 60 °, M1 is 100mm, L1 is 90mm, and γ is 140 °. The vertical distance from the center of the guide hole 4 to the overflow weir 6 is 150 mm. The overflow weir 6 is 30mm higher than the upper surface of the gas rising pipe 2 in the vertical direction. The structure can effectively prevent the solid impurities c from blocking the tower tray 1 and improve the gas-liquid phase mass transfer efficiency of the tower tray 1.
As shown in fig. 19, the operation principle of the anti-clogging tray of the present invention is as follows: when the liquid b flowing down from the upper tray 1 flows through the riser 2 of the tray 1 in the transverse direction, the liquid b flows into the riser 2 from a gap between the cap 3 and the tray 1, is violently blown up by the gas a rising from the opening of the tray 1 and is pulled into a liquid film, the gas flow and the liquid film exchange energy and substances in the cap 3, and the liquid film is split into liquid drops or mist d by the energy of the gas a; the gas-liquid mixed phase is sprayed out from the second through hole 31 of the cap 3, after the gas-liquid mixed phase is separated between the plates, the gas phase rises to the upper tray 1, and the liquid phase falls back to the tray 1; because the gas-lift pipe 2 is higher than the tray 1 by a certain height, the solid impurities c carried in the liquid b collide with the side surface of the cap 3 and fall around the outer wall of the gas-lift pipe 2, then flow to the overflow weir 6 along with the liquid phase material flow on the tray 1, meanwhile, a certain number of guide holes 4 are arranged on the tray 1, the outlet of the guide holes protruding out of the plane of the tray 1 faces to one side of the overflow weir 6, and the gas-liquid mixed phase after spraying pushes the solid impurities c accumulated near the bottom of the overflow weir 6 to flow out of the tray 1 through the rectangular hole at the bottom of the overflow weir 6 and the inclined overflow weir 6. The structure ensures the smoothness of the gas a channel, simultaneously avoids the accumulation of solid impurities c on the tower tray 1, can ensure the long-term stable operation of tower equipment, and simultaneously improves the gas-liquid phase mass transfer efficiency of the tower tray 1.
In the description of the present invention, numerous specific details are set forth. However, it is understood that embodiments of the invention can be practiced with some of these specific details. In some instances, well-known methods, systems, and techniques have not been shown in detail in order not to obscure an understanding of this description.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, system, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, systems, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, those skilled in the art will be able to combine and combine various embodiments or examples and features of various embodiments or examples described in this specification without undue conflict.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments can be modified, or some or all of the technical features can be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (9)
1. An anti-clogging tray, characterized in that: the tray comprises a tray (1), wherein a plurality of first through holes (11) penetrating through the tray (1) are formed in the tray (1), a plurality of vertically-arranged gas risers (2) are further fixed on the tray (1), and each gas riser (2) is communicated with the first through hole (11) formed in the tray (1); the air rising pipe (2) is arranged in a pyramid or cone shape;
each gas lift pipe (2) is sleeved with a cap cover (3), and the outer peripheral surface of each cap cover (3) is provided with a second through hole (31) penetrating through each cap cover (3);
the edge of the tray (1) is also provided with an obliquely arranged overflow weir (6), and the bottom of the overflow weir (6) is provided with a plurality of third through holes (5) arranged along the extending direction of the overflow weir (6);
and a plurality of guide holes (4) protruding out of the surface of the tray (1) are also arranged between the tray (1) and the third through hole (5) corresponding to the first through hole (11).
2. An anti-clogging tray according to claim 1, characterized in that:
the first through holes (11) are arranged in multiple rows and multiple columns, the opening rate of the first through holes (11) is in direct proportion to the diameter of the tray (1), and the first through holes (11) are rectangular or circular; when the first through hole (11) is circular, the aperture of the first through hole (11) is 60-180 mm; the distance L0 between the centers of the first through holes (11) between two adjacent rows is 100-200 mm, and the vertical distance M0 between the first through holes (11) between two adjacent columns is 100-200 mm; when the first through holes (11) are rectangular, the side length of each first through hole (11) is 60-180 mm × 40-120 mm, the hole center distance L0 of the first through holes (11) between two adjacent rows is 100-200 mm, and the vertical distance M0 between the first through holes (11) between two adjacent columns is 100-200 mm.
3. An anti-clogging tray according to claim 1, characterized in that:
the height of the gas lift pipe (2) is 50-150 mm higher than the surface of the tray (1), the included angle alpha between the side surface and the lower end surface of the gas lift pipe (2) is 20-30 degrees, and the shape and the size of the cross section of the lower end of the gas lift pipe (2) are matched with the shape and the size of the first through hole (11).
4. An anti-clogging tray according to claim 1, characterized in that:
the cap cover (3) is arranged in a cylinder or pyramid shape, when the cap cover (3) is arranged in a cylinder, the outer diameter of the cap cover (3) is 60-180 mm, and the height of the cap cover (3) is 100-250 mm; when the cap cover (3) is arranged in a pyramid shape, an included angle beta between the side face and the upper end face of the cap cover is 90-120 degrees, the height of the cap cover (3) is 100-250 mm, and the specification of the upper end face of the cap cover (3) is 60-180 mm multiplied by 50-150 mm.
5. An anti-clogging tray according to claim 1, characterized in that:
the lower end of each cap (3) is also provided with 3-4 support legs (7) fixed on the surface of the tower tray (1); the gap between the lower end of the cap cover (3) and the surface of the tower tray (1) is 5-200 mm.
6. An anti-clogging tray according to claim 1, characterized in that:
the second through holes (31) are rectangular or circular and are arranged on the outer peripheral surface of the cap cover (3) in 2-4 rows in a surrounding manner; when the second through holes (31) are rectangular, the specification of the second through holes (31) is 5-15 mm multiplied by 5-15 mm, and the distance L2 between two adjacent rows and two adjacent columns of the second through holes (31) is 10-25 mm; when the second through holes (31) are circular, the diameter specification of the second through holes (31) is 5-15 mm, and the distance L2 between two adjacent rows and two adjacent columns of the second through holes (31) is 10-25 mm; the opening rate of the second through hole (31) is in direct proportion to the specification of the cap cover (3).
7. An anti-clogging tray according to claim 1, characterized in that:
the specification of the third through holes (5) is 10-30 mm multiplied by 5-20 mm, the hole center distance L3 between every two adjacent third through holes (5) is 20-40 mm, and the number of the third through holes (5) is in direct proportion to the diameter of the tray (1).
8. An anti-clogging tray according to claim 1, characterized in that:
the guide holes (4) are punched in a multi-row and multi-column arrangement mode, and the openings of the guide holes (4) face one side of the overflow weir (6); the opening angle theta of the guide hole (4) is 15-60 degrees; the guide hole (4) is rectangular or semicircular; when the guide hole (4) is semicircular, the diameter of the guide hole (4) is 20-60 mm; when the guide holes (4) are rectangular, the specification of the guide holes (4) is 20-60 mm multiplied by 10-50 mm, the center distance L1 between every two adjacent rows of the guide holes (4) is 30-90 mm, the distance M1 between every two adjacent rows of the guide holes (4) is 30-100 mm, and the number of the guide holes (4) is in direct proportion to the diameter of the tray (1).
9. An anti-clogging tray according to claim 1, characterized in that:
the included angle gamma between the overflow weir (6) and the tower tray (1) is 120-140 degrees, and the upper end of the overflow weir (6) is 20-60 mm higher than the upper end of the gas rising pipe (2) in the vertical direction and is not higher than a second through hole (31) arranged at the lowest position of the outer peripheral surface of the cap cover (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910553579.7A CN110193213B (en) | 2019-06-25 | 2019-06-25 | Anti-blocking tower tray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910553579.7A CN110193213B (en) | 2019-06-25 | 2019-06-25 | Anti-blocking tower tray |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110193213A CN110193213A (en) | 2019-09-03 |
| CN110193213B true CN110193213B (en) | 2021-06-29 |
Family
ID=67755060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910553579.7A Active CN110193213B (en) | 2019-06-25 | 2019-06-25 | Anti-blocking tower tray |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110193213B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5210884A (en) * | 1990-08-20 | 1993-05-18 | Redford Daniel S | Environmentally controlled toilet |
| US6854718B1 (en) * | 2003-01-30 | 2005-02-15 | Hwang Sun Enterprise Co., Ltd. | Vaporizer |
| CN2766927Y (en) * | 2004-12-22 | 2006-03-29 | 同济大学 | Overflow-assisting block-resisting type column tray |
| CN202569911U (en) * | 2012-04-10 | 2012-12-05 | 天津大学 | Slot disc type liquid re-distributor with circularly arranged downcomers |
| CN203971435U (en) * | 2014-08-15 | 2014-12-03 | 天津奥展兴达化工技术有限公司 | The solid valve column plate of a kind of block-resisting type |
| CN204093075U (en) * | 2014-07-31 | 2015-01-14 | 南京德邦金属装备工程股份有限公司 | A kind of tower tray with stephanoporate block-resistant plug sawtooth downflow weir |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR961919A (en) * | 1946-08-06 | 1950-05-25 | ||
| DE2759195C3 (en) * | 1977-12-31 | 1980-12-11 | Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe | Bottom for absorption columns |
| CN2055736U (en) * | 1989-10-01 | 1990-04-11 | 胡敏绍 | Bubble-cap |
| CN1041604C (en) * | 1995-05-19 | 1999-01-13 | 成建 | Cone screen plate gas-liquid distributor |
| WO2001060484A1 (en) * | 2000-02-16 | 2001-08-23 | Shell Internationale Research Maatschappij B.V. | Gas-liquid tray |
| CN2810712Y (en) * | 2005-05-31 | 2006-08-30 | 天津市天和科技有限公司 | Guide-jetting column plate |
| CN2868376Y (en) * | 2005-11-08 | 2007-02-14 | 韩刚 | Single end floating gas-liquid parallel-flow guide float valve tower plate |
| EP2782653A4 (en) * | 2011-11-21 | 2016-01-20 | Creatv Microtech Inc | Polymer microfiltration devices, methods of manufacturing the same and the uses of the microfiltration devices |
-
2019
- 2019-06-25 CN CN201910553579.7A patent/CN110193213B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5210884A (en) * | 1990-08-20 | 1993-05-18 | Redford Daniel S | Environmentally controlled toilet |
| US6854718B1 (en) * | 2003-01-30 | 2005-02-15 | Hwang Sun Enterprise Co., Ltd. | Vaporizer |
| CN2766927Y (en) * | 2004-12-22 | 2006-03-29 | 同济大学 | Overflow-assisting block-resisting type column tray |
| CN202569911U (en) * | 2012-04-10 | 2012-12-05 | 天津大学 | Slot disc type liquid re-distributor with circularly arranged downcomers |
| CN204093075U (en) * | 2014-07-31 | 2015-01-14 | 南京德邦金属装备工程股份有限公司 | A kind of tower tray with stephanoporate block-resistant plug sawtooth downflow weir |
| CN203971435U (en) * | 2014-08-15 | 2014-12-03 | 天津奥展兴达化工技术有限公司 | The solid valve column plate of a kind of block-resisting type |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110193213A (en) | 2019-09-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102961888B (en) | Flow-separation back-mixing-free spraying tower disc | |
| CN104383709B (en) | A kind of lower resistance high-efficient tower plate | |
| CN104056579A (en) | Gas and liquid distribution plate of up-flow reactor and inter-segment hydrogen supplementation device thereof | |
| CN101940848B (en) | Catalytic rectification column member | |
| RU2416461C1 (en) | Package vortex nozzle for heat-and-mass exchange column apparatuses | |
| CN202078765U (en) | Stripping tower | |
| CN110193213B (en) | Anti-blocking tower tray | |
| WO2016082665A1 (en) | Filler-type tower plate | |
| CN202844619U (en) | High-flux anti-blocking gas-liquid cross flow spraying tower plate | |
| CN203620277U (en) | S-shaped efficient guide composite mesh tower plate | |
| CN204428872U (en) | A kind of lower resistance high-efficient tower plate | |
| CN2928190Y (en) | Long strip type float valve tower disc | |
| CN205700481U (en) | A kind of New Low Voltage fall distribution grid being applicable to multi-compartment bed | |
| US20150202578A1 (en) | Distributor tray for gas/liquid exchange column with liquid deflector | |
| CN201855587U (en) | Catalytic rectifying tower component | |
| CN111013178B (en) | Stepped liquid circulation bubble tower and method for dispersing gas | |
| CN203281316U (en) | Complete countercurrent mass transfer unit and tower with same | |
| CN102671514A (en) | Tank-tank type liquid distributor | |
| CN204411749U (en) | The liquid distribution trough of Novel falling film evaporimeter | |
| CN202410209U (en) | Floating valve-tongue hole composite tray of rectification column | |
| CN102489031B (en) | Rotary float valve tower | |
| CN217312015U (en) | Double-overflow tower plate with liquid dropping box | |
| CN111375354B (en) | Gas-liquid mass transfer equipment | |
| CN109876761B (en) | Reinforced tray type plate tower | |
| CN212757285U (en) | Tower tray with central liquid dropping box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |