CN107899534B - Liquid-guiding horizontal perforated column plate - Google Patents
Liquid-guiding horizontal perforated column plate Download PDFInfo
- Publication number
- CN107899534B CN107899534B CN201711460652.3A CN201711460652A CN107899534B CN 107899534 B CN107899534 B CN 107899534B CN 201711460652 A CN201711460652 A CN 201711460652A CN 107899534 B CN107899534 B CN 107899534B
- Authority
- CN
- China
- Prior art keywords
- liquid
- plate
- baffle
- guide plate
- liquid guide
- Prior art date
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- 239000007788 liquid Substances 0.000 claims abstract description 152
- 241000736911 Turritella communis Species 0.000 claims abstract description 15
- 239000012071 phase Substances 0.000 description 9
- 239000007791 liquid phase Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/30—Loose or shaped packing elements, e.g. Raschig rings or Berl saddles, for pouring into the apparatus for mass or heat transfer
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- 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
- B01D3/32—Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups B01D3/16 - B01D3/30
- B01D3/324—Tray constructions
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention discloses a liquid guide horizontal perforated column plate, which comprises a column shell, a liquid falling plate, a bottom plate, a liquid guide plate weir, a liquid guide plate, a liquid baffle connecting plate and a liquid baffle, wherein the column plate is arranged on the bottom plate; the bottom plate is fixedly arranged on the inner wall of the tower shell, and a plate hole is formed in the bottom plate; the liquid-falling plate is fixed on the inner wall of the tower shell; the liquid dropping plate and the tower shell enclose a downcomer; the liquid guide plate is in seamless connection with the liquid falling plate; a bottom gap is formed between the liquid guide plate and the bottom plate; the slope exists between the liquid guide plate and the bottom plate; the liquid guide plate is provided with a liquid guide plate opening at a position corresponding to the plate hole; the liquid guide plate weir is fixed on the upper surface of the liquid guide plate and surrounds the periphery of the opening of the liquid guide plate; the two ends of the liquid baffle are connected with the bottom plate through liquid baffle connecting plates; there is a slope between the liquid baffle and the bottom plate. The plate hole of the gas-liquid contact of the column plate has simple structure, high gas-liquid passing capability, and is especially suitable for the working condition of large liquid-gas ratio.
Description
Technical Field
The invention relates to mass transfer separation equipment used in petrochemical industry, in particular to a liquid guide horizontal perforated column plate.
Background
The column plate is mass transfer separation equipment used in the rectification, absorption and desorption processes in the petrochemical industry, wherein the novel vertical sieve plate column plate is provided with a cover body at a corresponding position of an opening on the column plate, liquid phase on the plate flows into the cover body from a gap at the bottom of the cover body, is blown up by gas phase entering from the lower part of the opening on the column plate, is lifted into the cover body, and is fully contacted in the cover body to finish mass transfer. The method has the advantages of large treatment capacity, good mass transfer effect and low pressure drop, and is widely applied in industry. However, under the working condition of the large liquid-gas ratio, the volume of the gas phase is small, the lifting force is insufficient, so that a large amount of liquid phase cannot be lifted into the cover body and directly flows down to enter the next layer of tower plate, and the mass transfer of a small amount of liquid phase lifted into the cover body cannot be completed well due to insufficient momentum. Therefore, the mass transfer efficiency of the novel vertical sieve plate tower plate is relatively low under the working condition of large liquid-gas ratio.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a liquid guide horizontal perforated column plate.
The technical scheme for solving the technical problems is that the invention provides a liquid guide horizontal perforated column plate, which comprises a column shell and is characterized by further comprising a liquid falling plate, a bottom plate, a liquid guide plate weir, a liquid guide plate, a liquid baffle connecting plate and a liquid baffle; the bottom plate is fixedly arranged on the inner wall of the tower shell, and a plate hole is formed in the bottom plate; the liquid-falling plate is fixed on the inner wall of the tower shell; the liquid dropping plate and the tower shell enclose a downcomer; the liquid guide plate is in seamless connection with the liquid falling plate; a bottom gap is formed between the liquid guide plate and the bottom plate; the slope exists between the liquid guide plate and the bottom plate; the liquid guide plate is provided with a liquid guide plate opening at a position corresponding to the plate hole; the liquid guide plate weir is fixed on the upper surface of the liquid guide plate and surrounds the periphery of the opening of the liquid guide plate; the two ends of the liquid baffle are connected with the bottom plate through liquid baffle connecting plates; there is a slope between the liquid baffle and the bottom plate.
Compared with the prior art, the invention has the beneficial effects that: the invention is used for solving the problem that the mass transfer efficiency of the existing novel vertical sieve plate tower plate is low under the working condition of the ratio of the atmospheric liquid to the air, and the height of the liquid phase carried by the gas phase from the upper surface of the bottom plate to the upper surface of the liquid guide plate is small, so that the pressure drop of the tower plate is small; the plate hole for gas-liquid contact has simple structure, high gas-liquid passing capacity, and is especially suitable for the working condition of large liquid-gas ratio.
Drawings
FIG. 1 is a schematic front view of the overall structure of one embodiment of a liquid directing horizontal perforated tray of the present invention;
FIG. 2 is a schematic top view of the overall structure of one embodiment of a liquid directing horizontal perforated tray of the present invention;
FIG. 3 is a left side view of a V-shaped liquid baffle of one embodiment of a liquid directing horizontal perforated tray of the present invention; ( In the figure: 1 is a tower shell, 2 is a downcomer, 3 is a liquid-falling plate, 4 is a bottom gap, 5 is a bottom plate, 6 is a liquid-guiding plate weir, 7 is a liquid-guiding plate, 8 is a liquid-blocking plate connecting plate, 9 is a liquid-blocking plate, 10 is a liquid-guiding plate opening, 11 is a plate hole )
Detailed Description
Specific examples of the present invention are given below. The specific examples are provided only for further elaboration of the invention and do not limit the scope of the claims of the present application.
The invention provides a liquid guide horizontal perforated tray (refer to fig. 1-3, referred to as tray for short), which comprises a tower shell 1, and is characterized by further comprising a liquid reducing plate 3, a bottom plate 5, a liquid guide plate weir 6, a liquid guide plate 7, a liquid baffle connecting plate 8 and a liquid baffle 9; the bottom plate 5 is horizontally and fixedly arranged on the inner wall of the tower shell 1, and a plate hole 11 is formed in the bottom plate 5; the liquid-falling plate 3 is vertically fixed on the inner wall of the tower shell 1; the liquid dropping plate 3 and the tower shell 1 enclose a downcomer 2; the liquid guide plate 7 is in seamless connection with the liquid falling plate 3; a bottom gap 4 is arranged between the liquid guide plate 7 and the bottom plate 5; the slope exists between the liquid guide plate 7 and the bottom plate 5; the liquid guide plate 7 is provided with liquid guide plate holes 10 at positions corresponding to the plate holes 11; the size of the liquid guide plate open holes 10 is larger than that of the plate holes 11; the liquid guide plate weir 6 is fixed on the upper surface of the liquid guide plate 7, surrounds the periphery of the liquid guide plate opening 10, prevents liquid phase sprayed out of the liquid guide plate opening 10 from returning to the liquid guide plate opening 10, and can only go to a lower layer tower plate through the downcomer 2; two ends of the liquid baffle 9 are connected with the bottom plate 5 through liquid baffle connecting plates 8; the inclination exists between the liquid baffle 9 and the bottom plate 5;
the liquid guide plate 7 is positioned at the upper part of the bottom plate 5, and the liquid baffle 9 is positioned at the lower part of the bottom plate 5;
the liquid baffle plates 9 are divided into an upper row and a lower row which are parallel and staggered, and a gap is reserved between the two liquid baffle plates 9; the position of the lower gear liquid baffle 9 corresponds to the plate hole 11;
preferably, the liquid baffle 9 is in a V shape, the upper liquid baffle is in a lower V shape, and the lower liquid baffle is in an upper V shape; the inclination exists between the liquid baffle 9 and the bottom plate 5, namely the position of the bottom end of the liquid baffle 3 adjacent to the upper layer tower plate is higher than the position of the top end of the liquid baffle 3 adjacent to the layer tower plate, and the number of the liquid baffle at the upper gear is one more than that of the liquid baffle at the lower gear; in the embodiment, the number of the lower gear liquid baffle plates is 5, and the number of the upper gear liquid baffle plates is 6; the distance between the peak top of the upper gear liquid baffle and the peak bottom of the lower gear liquid baffle is 50-200 mm, preferably 90mm;
the inclination of the liquid guide plate 7 and the bottom plate 5 is 1:100-1:50, preferably 1:60; the inclination of the liquid baffle 9 and the bottom plate 5 is 1:100-1:50, preferably 1:60; the slope of the liquid guide plate 7 is symmetrical up and down with the slope of the liquid baffle 9, namely, the liquid guide plate 7 and the liquid baffle 9 are axisymmetrical by taking the bottom plate 5 as a symmetry axis;
the size of the bottom gap 4 is 5-70 mm, preferably 50mm;
the height of the liquid guide plate weir 6 is 20-100 mm, preferably 40mm;
the height of the liquid baffle connecting plate 8 is 70-250 mm, preferably 140mm;
the working principle and working flow of the liquid guide horizontal perforated tray of the invention are as follows: during operation, liquid phase flowing down from the upper layer of tower plate enters a bottom gap 4 between a bottom plate 5 and a liquid guide plate 7 through a downcomer 2 surrounded by a liquid falling plate 3 and a tower shell 1, a liquid layer with a certain thickness is formed on the upper surface of the bottom plate 5, gas phase rising from the lower layer of tower plate can be gathered under the lower layer of tower plate, the gas phase gathered under the tower plate rises through a plate hole 11 due to the pressure effect of the gas phase, the gas phase contacts with the liquid phase gathered on the upper surface of the bottom plate 5 in the gas phase rising process to form an upward moving gas-liquid mixture, after the gas-liquid mixture passes through a liquid guide plate opening 10, the gas phase continuously rises through a gap between liquid baffle plates 9 to go to the upper layer of tower plate, the liquid phase is blocked from falling down to the upper surface of the liquid guide plate 7 under the action of gravity and the liquid baffle plates 9, and finally flows into the downcomer 2 to the lower layer of tower plate due to the blocking of the liquid guide plate weir 6.
The invention is applicable to the prior art where it is not described.
Claims (9)
1. The liquid guide horizontal perforated column plate comprises a column shell and is characterized by further comprising a liquid falling plate, a bottom plate, a liquid guide plate weir, a liquid guide plate, a liquid baffle connecting plate and a liquid baffle; the bottom plate is fixedly arranged on the inner wall of the tower shell, and a plate hole is formed in the bottom plate; the liquid-falling plate is fixed on the inner wall of the tower shell; the liquid dropping plate and the tower shell enclose a downcomer; the liquid guide plate is in seamless connection with the liquid falling plate; a bottom gap is formed between the liquid guide plate and the bottom plate; the slope exists between the liquid guide plate and the bottom plate; the liquid guide plate is provided with a liquid guide plate opening at a position corresponding to the plate hole; the liquid guide plate weir is fixed on the upper surface of the liquid guide plate and surrounds the periphery of the opening of the liquid guide plate; the two ends of the liquid baffle are connected with the bottom plate through liquid baffle connecting plates; there is a slope between the liquid baffle and the bottom plate.
2. The liquid directing horizontally apertured tray according to claim 1, wherein the size of the liquid directing plate apertures is greater than the size of the plate apertures.
3. The liquid guiding horizontal perforated tray according to claim 1, wherein the liquid baffle is divided into upper and lower two parallel rows and staggered, and a gap is arranged between the two liquid baffles; the position of the lower gear liquid baffle corresponds to the plate hole.
4. The liquid directing horizontal apertured tray according to claim 3, wherein the liquid baffle is V-shaped, the upper liquid baffle is lower V-shaped, and the lower liquid baffle is upper V-shaped; the number of the upper gear liquid baffle plates is one more than that of the lower gear liquid baffle plates.
5. The liquid directing horizontal perforated tray according to claim 1, wherein the distance between the peak top of the upper liquid baffle and the peak bottom of the lower liquid baffle is 50-200 mm.
6. The liquid guiding horizontal perforated tray according to claim 1, characterized in that the slope of the liquid guiding plate to the bottom plate is 1:100-1:50; the inclination of the liquid baffle and the bottom plate is 1:100-1:50; the liquid guide plate and the liquid baffle plate are axisymmetric by taking the bottom plate as a symmetry axis.
7. The liquid directing horizontal perforated tray according to claim 1, wherein the size of the bottom gap is from 5 to 70mm.
8. The liquid guiding horizontally perforated tray according to claim 1, wherein the height of the liquid guiding plate is 20-100 mm.
9. The liquid guiding horizontal opening tray according to claim 1, wherein the height of the liquid baffle connection plate is 70-250 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711460652.3A CN107899534B (en) | 2017-12-28 | 2017-12-28 | Liquid-guiding horizontal perforated column plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711460652.3A CN107899534B (en) | 2017-12-28 | 2017-12-28 | Liquid-guiding horizontal perforated column plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107899534A CN107899534A (en) | 2018-04-13 |
| CN107899534B true CN107899534B (en) | 2024-02-02 |
Family
ID=61871814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711460652.3A Active CN107899534B (en) | 2017-12-28 | 2017-12-28 | Liquid-guiding horizontal perforated column plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107899534B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1075427A (en) * | 1952-03-26 | 1954-10-15 | Standard Oil Dev Co | Sophisticated fractionation tower |
| DE2755919A1 (en) * | 1977-12-15 | 1979-06-28 | Stahl App & Geraetebau Gmbh | Stabilising bubble layer in gas-liq. sepn. columns - using vertical baffle plates in each deck |
| CN2915212Y (en) * | 2006-02-08 | 2007-06-27 | 天津市创举科技有限公司 | A radial side pilot jet tray |
| CN101015762A (en) * | 2006-12-27 | 2007-08-15 | 天津市创举科技有限公司 | Spray absorption tower tray |
| CN201832435U (en) * | 2010-11-05 | 2011-05-18 | 中国石油化工股份有限公司 | Gas-liquid mass transfer component |
| CN102397709A (en) * | 2010-09-15 | 2012-04-04 | 中国石油天然气股份有限公司 | Modular catalyst filling structure of vertical sieve plate |
| CN103463828A (en) * | 2013-09-05 | 2013-12-25 | 中国海洋石油总公司 | Vertical film blowing tower plate |
| CN203777902U (en) * | 2014-03-29 | 2014-08-20 | 曹纪运 | Oriented jet tower plate |
| CN106824007A (en) * | 2017-02-22 | 2017-06-13 | 河北工业大学 | A kind of liquid distribution trough with mass transfer function |
| CN207872181U (en) * | 2017-12-28 | 2018-09-18 | 天津市创举科技股份有限公司 | A kind of drain horizontal bore column plate |
-
2017
- 2017-12-28 CN CN201711460652.3A patent/CN107899534B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1075427A (en) * | 1952-03-26 | 1954-10-15 | Standard Oil Dev Co | Sophisticated fractionation tower |
| DE2755919A1 (en) * | 1977-12-15 | 1979-06-28 | Stahl App & Geraetebau Gmbh | Stabilising bubble layer in gas-liq. sepn. columns - using vertical baffle plates in each deck |
| CN2915212Y (en) * | 2006-02-08 | 2007-06-27 | 天津市创举科技有限公司 | A radial side pilot jet tray |
| CN101015762A (en) * | 2006-12-27 | 2007-08-15 | 天津市创举科技有限公司 | Spray absorption tower tray |
| CN102397709A (en) * | 2010-09-15 | 2012-04-04 | 中国石油天然气股份有限公司 | Modular catalyst filling structure of vertical sieve plate |
| CN201832435U (en) * | 2010-11-05 | 2011-05-18 | 中国石油化工股份有限公司 | Gas-liquid mass transfer component |
| CN103463828A (en) * | 2013-09-05 | 2013-12-25 | 中国海洋石油总公司 | Vertical film blowing tower plate |
| CN203777902U (en) * | 2014-03-29 | 2014-08-20 | 曹纪运 | Oriented jet tower plate |
| CN106824007A (en) * | 2017-02-22 | 2017-06-13 | 河北工业大学 | A kind of liquid distribution trough with mass transfer function |
| CN207872181U (en) * | 2017-12-28 | 2018-09-18 | 天津市创举科技股份有限公司 | A kind of drain horizontal bore column plate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107899534A (en) | 2018-04-13 |
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