CN111434367B - Dividing wall tower and rectifying tower - Google Patents
Dividing wall tower and rectifying tower Download PDFInfo
- Publication number
- CN111434367B CN111434367B CN201910028287.1A CN201910028287A CN111434367B CN 111434367 B CN111434367 B CN 111434367B CN 201910028287 A CN201910028287 A CN 201910028287A CN 111434367 B CN111434367 B CN 111434367B
- Authority
- CN
- China
- Prior art keywords
- tower
- dividing wall
- baffle
- liquid
- area
- 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
- B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
-
- 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
-
- 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
-
- 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
Abstract
The invention relates to separation equipment, and discloses a dividing wall tower and a rectifying tower, wherein the dividing wall tower comprises a tower wall (2) and a dividing wall (1), the dividing wall (1) divides the space in the tower wall (2) into two separation areas, a liquid baffle plate (3), a gas lift pipe (5) and an adjusting area (9) are arranged in the separation areas, a flow adjusting device is arranged in the adjusting area (9), the flow adjusting device comprises a fluid channel (11) and a plurality of adjusting plates (10) arranged in the fluid channel (11), and the adjusting plates (10) can move to open or close the fluid channel (11). Through above-mentioned technical scheme, through adjusting the flow control device of two disengagement zones respectively, can adjust from the flow of the gaseous phase that upwards passes through two disengagement zones down, realize gaseous phase flow proportion regulation, realize the rational distribution to the gaseous phase to adapt to production conditions better, the appearance is undulant in avoiding the tower, improves production stability.
Description
Technical Field
The present invention relates to separation apparatus, in particular to a divided wall column.
Background
The dividing wall column is characterized in that a vertical dividing wall is arranged in the rectifying column to divide the column body into an upper public rectifying section, a middle pre-separating area, a side rectifying area, a lower public stripping section and four parts, so that the effective separation of a ternary component mixture can be realized.
The liquid from the common rectifying section can be relatively simply distributed into the pre-separation section and the side-line rectifying section, and the gas phase from the common stripping section is not provided with a specific distribution mechanism, so that the gas phase can not be distributed between the pre-separation section and the side-line rectifying section in a specific proportion, which causes great difficulty in gas phase regulation of the partition wall tower, frequent fluctuation and influence on the production efficiency.
Disclosure of Invention
The invention aims to provide a dividing wall tower to solve the problem that the proportion of gas phase conveyed to a pre-separation area and a side rectification area is difficult to adjust.
In order to achieve the above object, the present invention provides a dividing wall column, comprising a column wall and a dividing wall, wherein the dividing wall divides an internal space of the column wall into two separation areas, a liquid baffle, a gas lift pipe and a regulation area are arranged in the separation areas from top to bottom, the regulation area is provided with a flow regulating device, the flow regulating device comprises a fluid channel and a plurality of regulating plates arranged in the fluid channel, a plurality of slide ways extending along a first horizontal direction are arranged in the fluid channel, the slide ways are arranged at different heights, the regulating plates are slidably arranged in different slide ways, and the regulating plates can move to open or close the fluid channel.
Preferably, the fluid channel is provided with M slide ways, each slide way is provided with N regulating plates, the cross-sectional area of the fluid channel is S, the area of each regulating plate is a, S ═ MNA, and the adjustable area of the fluid channel is (1-1/M) S, wherein M is greater than or equal to 2, and N is greater than or equal to 1.
Preferably, the dividing wall tower comprises a driving mechanism and a transmission mechanism, the transmission mechanism comprises a connecting rod connected with each adjusting plate, a track accommodating the connecting rod and a fixing rod, the driving mechanism can drive each connecting rod to move along the first horizontal direction in the track to drive the adjusting plates to move, and the track is fixed in the separation area through the fixing rod.
Preferably, the cross-sectional area of the draft tube is the same as the cross-sectional area of the fluid passageway.
Preferably, the cross-sectional area of the draft tube is from 5% to 95% of the cross-sectional area of the separation zone.
Preferably, the draft tube has a cross-sectional area which is from 50% to 70% of the cross-sectional area of the separation zone.
Preferably, the liquid baffle and the gas riser are spaced from each other, the edge of the liquid baffle projecting relative to the gas riser, the liquid baffle being supported on the gas riser by a support bar.
Preferably, the included angle between the liquid baffle and the horizontal plane is 0-60 degrees.
Preferably, the included angle between the liquid baffle and the horizontal plane is 1-5 degrees.
Preferably, the dividing wall tower includes a drip plate extending horizontally from the lower end of the draft tube, the drip plate being connected to the dividing wall and spaced from the tower wall to form a downcomer opening.
Preferably, a horizontal liquid receiving plate is arranged below the liquid descending port, the liquid receiving plate comprises an arc-shaped edge connected with the tower wall and a linear edge enclosing a closed structure with the arc-shaped edge, the linear edge is connected with a first baffle extending upwards, two horizontal ends of the first baffle are respectively connected with the tower wall, and the tower wall, the first baffle and the liquid receiving plate enclose an upwards-open liquid receiving area.
Preferably, the edge of the liquid collecting plate at the liquid descending port is connected with a second baffle extending downwards, the two horizontal ends of the second baffle are connected with the tower wall, and the first baffle is positioned between the second baffle and the adjusting area.
Preferably, the lower edge of the second baffle is lower than the upper edge of the first baffle.
In addition, the invention also provides a rectifying tower, wherein the dividing wall tower in the scheme is arranged in the rectifying tower.
Through above-mentioned technical scheme, two separation zones can regard as predissociation zone and side line rectifying portion respectively, through adjusting the flow control device in predissociation zone and the side line rectifying portion respectively, can adjust from the flow that upwards passes through the gaseous phase in predissociation zone and side line rectifying portion down, realize gaseous phase flow proportion regulation, realize the rational distribution to the gaseous phase to adapt to production conditions better, avoid appearing undulantly in the tower, improve production stability.
Drawings
FIG. 1 is a schematic structural view of a separation zone of a divided wall column according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a conditioning region according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a transmission mechanism according to an embodiment of the present invention.
Description of the reference numerals
1 dividing wall 2 column wall
3 liquid baffle 4 support bar
Liquid collecting plate of 5-liter gas pipe 6
7 liquid-receiving plate of liquid-dropping area 8
9 regulating zone 10 regulating plate
11 fluid channel 12 securing rod
13 liquid dropping port 14 first baffle plate
15 second baffle 16 connecting rod
17 track
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
In the present invention, the use of the terms of orientation such as "upper and lower" in the case where no description is made to the contrary, generally refers to the orientation relationship when the dividing wall tower is disposed to extend in the vertical direction.
The invention provides a partition wall tower, which comprises a tower wall 2 and a partition wall 1, wherein the partition wall 1 divides the space in the tower wall 2 into two separation areas, a liquid baffle plate 3, a gas lifting pipe 5 and a regulating area 9 which are arranged from top to bottom are arranged in the separation areas, a flow regulating device is arranged in the regulating area 9, the flow regulating device comprises a fluid channel 11 and a plurality of regulating plates 10 arranged in the fluid channel 11, a plurality of slide ways which are arranged at different heights and extend along a first horizontal direction are arranged in the fluid channel 11, the plurality of regulating plates 10 are slidably arranged in different slide ways, and the plurality of regulating plates 10 can move to open or close the fluid channel 11.
The dividing wall column may be a part of a rectification column, wherein the inner space of the column wall 2 has a circular, square, triangular or other shape, preferably circular, and the dividing wall 1 may divide the cylindrical inner space into two semi-cylindrical spaces, which are approximately equal, i.e. the separation zones.
In each separation zone, a liquid baffle 3, a riser 5 and a conditioning zone 9 are provided, the conditioning zone 9 being provided with flow regulating means for regulating the flow rate of the fluid, said flow regulating means comprising a fluid passage 11 allowing the passage of the fluid (substantially in the vertical direction) and a conditioning plate 10 (substantially perpendicular to the vertical direction) arranged in the fluid passage 11, a plurality of conditioning plates 10 being arranged in slides at different heights, at least one conditioning plate 10 being arranged in each slide, each conditioning plate 10 being able to partially close the fluid passage 11. Each of the regulating plates 10 may be moved in the first horizontal direction, and by moving the regulating plates 10, the regulating plates 10 in different skids may be aligned, or the regulating plates 10 in different skids may be offset, so that the fluid passage 11 may be opened or closed, and the actual flow area of the fluid passage 11 may be regulated.
The two separation areas can be respectively used as a pre-separation area and a lateral line rectifying area, the flow of gas phase passing through the pre-separation area and the lateral line rectifying area from bottom to top can be adjusted by adjusting the flow adjusting devices in the pre-separation area and the lateral line rectifying area respectively, the proportion adjustment of gas phase flow is realized, the reasonable distribution of the gas phase is realized, the gas phase is better adapted to production conditions, the fluctuation in the tower is avoided, and the production stability is improved.
Specifically, the fluid channel 11 is provided with M slide ways, each slide way is provided with N regulating plates 10, the cross-sectional area of the fluid channel 11 is S, the area of the regulating plate 10 is a, S is MNA, and the adjustable area of the fluid channel 11 is (1-1/M) S, where M is greater than or equal to 2, and N is greater than or equal to 1. Wherein M, N are all positive integers. The number of regulating plates provided in each slide is the same, that is, N groups of regulating plates 10 each including M regulating plates 10 are provided in the fluid passage 11. As shown in fig. 2, the fluid passage 11 includes 4 slide ways, and 2 regulating plates are disposed in each slide way, that is, 2 groups of regulating plates are included, each group of 4 regulating plates, and the fluid passage 11 can be completely closed by 8 regulating plates, and the 8 regulating plates can be moved into two groups aligned, so that the actual flow area of the fluid passage 11 is maximized, and the difference between the maximized flow area and the closed flow area of the fluid passage 11 is the adjustable area, that is, the adjustment range. By moving the regulating plate 10 to different positions, the actual flow area of the fluid passage 11 can be regulated between a maximum flow area and a minimum flow area.
In addition, the next door tower includes actuating mechanism and drive mechanism, drive mechanism includes with every connecting rod 16 that regulating plate 10 is connected, holds connecting rod 16's track 17 and dead lever 12, actuating mechanism can drive every respectively connecting rod 16 is in along first horizontal direction removes in the track 17 in order to drive regulating plate 10 removes, track 17 passes through dead lever 12 is fixed in the separation zone. The connecting rod 16 may be connected to a side of the adjusting plate 10, and the adjusting plate 10 may be moved by the horizontal movement of the connecting rod 16 in the rail 17. The driving mechanism may comprise a driving member such as an electric motor or a hydraulic cylinder, etc. to move the connecting rod 16 via a transmission member. The rails 17 are mounted to fixing bars 12 to be fixed in the separation area by fixing bars 12, for example to the partition wall 1 or the tower wall 2.
Specifically, the cross-sectional area of the draft tube 5 is the same as the cross-sectional area of the fluid passage 11. The draft tube 5 and the fluid passage 11 may be substantially the same cross-sectional shape so that the fluid passage 11 is in sealed communication with the draft tube 5. The fluid passage 11 may be a tubular structure having a cross-section in the shape of a circle, a rectangle, a triangle, or the like.
Wherein the cross-sectional area of the riser 5 accounts for 5-95% of the cross-sectional area of the separation zone. Preferably, the cross-sectional area of the draft tube 5 is 50% to 70% of the cross-sectional area of the separation zone. The cross-sectional size of the draft tube 5 can be determined according to the material to be specifically processed by the dividing wall tower.
The liquid baffle 3 and the gas lift pipe 5 are spaced from each other, the edge of the liquid baffle 3 extends out relative to the gas lift pipe 5, and the liquid baffle 3 is supported on the gas lift pipe 5 through a support rod 4. That is, the cross section of the gas lift tube 5 is in the range of the liquid baffle 3, that is, the projection of the gas lift tube 5 in the vertical direction falls in the range of the liquid baffle 3, the liquid baffle 3 blocks the liquid phase fluid from above, the liquid phase is prevented from directly falling into the gas lift tube 5, and the liquid phase can flow down from the edge after falling on the liquid baffle 3.
Wherein, the included angle between the liquid baffle 3 and the horizontal plane is 0-60 degrees. Preferably, the included angle between the liquid baffle 3 and the horizontal plane is 1-5 degrees. The liquid baffle 3 can be horizontally arranged, and can also be obliquely arranged by forming an included angle with the horizontal plane, so that the liquid is conveniently guided to flow down at the lower edge of the height of the liquid baffle 3.
In addition, the dividing wall tower comprises a liquid collecting plate 6 horizontally extending from the lower end of the gas lift pipe 5, the liquid collecting plate 6 is connected to the dividing wall 1, and the liquid collecting plate 6 and the tower wall 2 form a liquid descending port 13 at a distance. The collector plate 6 can collect the liquid phase falling from the edge of the baffle 3, and the collector plate 6 forms a liquid falling opening 13 at a distance from the tower wall 2, and the liquid phase continues to fall from the liquid falling opening 13 under the guidance of the collector plate 6. Referring to fig. 1, the collector plate 6 is attached to the dividing wall 1 at a portion of its edge and to the column wall 2 at a portion of its edge, and the downcomer openings 13 are opposed to the dividing wall 1 on both sides of the riser 5. The lower side of the downcomer 13 is the downcomer zone 7 which allows the liquid phase to continue to descend.
In addition, a horizontal liquid receiving plate 8 is arranged below the liquid descending port 13, the liquid receiving plate 8 includes an arc-shaped edge connected with the tower wall 2 and a linear edge enclosing into a closed structure with the arc-shaped edge, the linear edge is connected with a first baffle 14 extending upwards, two horizontal ends of the first baffle 14 are respectively connected to the tower wall 2, and the tower wall 2, the first baffle 14 and the liquid receiving plate 8 enclose into an upwards open liquid receiving area. The liquid receiving plate 8 is enclosed by an arc-shaped edge and a straight edge, and part of the tower wall 2 and the first baffle plate 14 and the liquid receiving plate 8 are enclosed into a cup-shaped structure with an upward opening, so that liquid phase from the liquid descending port 13 can be received.
In addition, the edge of the liquid collecting plate 6 at the liquid descending port 13 is connected with a second baffle plate 15 extending downwards, two horizontal ends of the second baffle plate 15 are connected with the tower wall 2, and the first baffle plate 14 is positioned between the second baffle plate 15 and the adjusting area 9. The second baffle 15 can guide the descending liquid phase to fall onto the liquid receiving plate 8.
Further, the lower edge of the second barrier 15 is lower than the upper edge of the first barrier 14. When the liquid phase is higher than the lower edge of the second baffle 15 and lower than the upper edge of the first baffle 14, a liquid seal is formed at the liquid receiving plate 8, and when the liquid phase continues to accumulate on the liquid receiving plate 8 beyond the upper edge of the first baffle 14, the liquid phase starts overflowing and continues to flow downward over the first baffle 14.
In addition, the invention provides a rectifying tower, wherein the rectifying tower is provided with the dividing wall tower in the scheme. The dividing wall column is one part of the rectifying column, the upper side of the dividing wall column is a public rectifying area which can respectively provide liquid phase for the two separation areas (namely, the pre-separation area and the lateral line rectifying area), and the lower side of the dividing wall column is a public stripping area which can respectively provide gas phase for the two separation areas (namely, the pre-separation area and the lateral line rectifying area). The flow regulating device in the separation areas can regulate the flow ratio of the gas phase in the two separation areas to adapt to the corresponding production environment.
The following is an example of a specific application of the dividing wall column according to the preferred embodiment of the present invention.
Example 1:
as shown in fig. 2, the regulating area 9 has 4 layers of slide ways, each layer has 2 regulating plates 10, when the regulating plates 10 of 4 layers are completely staggered, the minimum flow area is 0, the gas phase channel is completely blocked, no gas phase passes through, and no practical significance is realized; the maximum flow area is 75% of the cross-sectional area of the flow channel 11 (which is equal to the cross-sectional area of the draft tube 5), and the 1 st conditioning plate of each slide is overlapped and the 2 nd conditioning plate of each slide is also overlapped, i.e., two sets of aligned conditioning plates 10 are formed.
The flow area of the draft tube 5 is 64% of the sectional area of one separation region of the dividing wall column (32% of the entire sectional area), and therefore the adjustable area is 0% to 48% of the sectional area of the separation region of the dividing wall column. The specific adjustment is as follows:
example 2:
the adjusting area 9 is provided with 2 layers of slideways, each layer of slideway is provided with 1 adjusting plate 10, when the adjusting plates 10 on the two layers are completely staggered, the minimum flow area is 0, the gas phase channel is completely blocked, no gas phase passes through, and no practical significance is realized; the maximum flow area is 50% of the cross-sectional area of the flow channel (which is equal to the cross-sectional area of the draft tube 5) when the adjustment plates 10 of each layer are in overlapping alignment.
The area of the draft tube 5 is 50% of the sectional area of one separation zone of the dividing wall column (25% of the sectional area of the whole dividing wall column), so that the adjustable area is 0% -25% of the sectional area of the dividing wall column. The specific adjustment is as follows:
it can be seen from the above examples that by adjusting the flow regulating devices in the two separation zones, the ratio of the gas phase flow of the two separation zones can be adjusted to suit different production conditions.
The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, numerous simple modifications can be made to the technical solution of the invention, including combinations of the specific features in any suitable way, and the invention will not be further described in relation to the various possible combinations in order to avoid unnecessary repetition. Such simple modifications and combinations should be considered within the scope of the present disclosure as well.
Claims (14)
1. A divided wall column, characterized in that it comprises a column wall (2) and a dividing wall (1), the dividing wall (1) divides the space in the column wall (2) into two separation zones, the separation area is provided with a liquid baffle plate (3), a gas rising pipe (5) and an adjusting area (9) which are arranged from top to bottom, the conditioning zone (9) is provided with a flow regulating device comprising a fluid channel (11) and a plurality of conditioning plates (10) arranged in the fluid channel (11), a plurality of slide ways which are arranged in the fluid channel (11) and extend along a first horizontal direction are arranged at different heights, a plurality of adjusting plates (10) are arranged in the different slide ways in a sliding way, a plurality of the regulating plates (10) are movable to open or close the adjustable area of the fluid passage (11).
2. The dividing wall column according to claim 1, wherein the flow channel (11) is provided with M slides, N regulating plates (10) are provided in each slide, the cross-sectional area of the flow channel (11) is S, the area of the regulating plates (10) is a, S ═ MNA, the adjustable area of the flow channel (11) is (1-1/M) S, where M is 2 or more and N is 1 or more.
3. The dividing wall tower of claim 1, comprising a driving mechanism and a transmission mechanism, the transmission mechanism comprising a connecting rod (16) connected to each of the adjustment plates (10), a track (17) accommodating the connecting rod (16), and a fixing rod (12), the driving mechanism being capable of driving each of the connecting rods (16) to move in the track (17) in the first horizontal direction to move the adjustment plates (10), respectively, the track (17) being fixed in the separation zone by the fixing rod (12).
4. The dividing wall column according to claim 1, wherein the cross-sectional area of the draft tube (5) is the same as the cross-sectional area of the fluid channel (11).
5. The dividing wall column according to claim 4, wherein the cross-sectional area of the draft tube (5) is 5-95% of the cross-sectional area of the separation zone.
6. The dividing wall column according to claim 5, wherein the cross-sectional area of the draft tube (5) is 50-70% of the cross-sectional area of the separation zone.
7. The dividing wall tower according to claim 4, wherein the liquid deflector (3) and the riser (5) are spaced from each other, the edge of the liquid deflector (3) projecting with respect to the riser (5), the liquid deflector (3) being supported on the riser (5) by means of support bars (4).
8. Dividing wall column according to claim 7, characterized in that the liquid baffle (3) is at an angle of 0-60 ° to the horizontal.
9. The dividing wall column according to claim 8, wherein the angle of the liquid baffle (3) to the horizontal is 1 ° -5 °.
10. A bulkhead tower according to claim 7, comprising a drip plate (6) extending horizontally from the lower end of the riser (5), the drip plate (6) being connected to the bulkhead (1), and the drip plate (6) being spaced from the tower wall (2) to form a downcomer opening (13).
11. The dividing wall tower of claim 10, wherein a horizontal liquid receiving plate (8) is arranged below the liquid dropping port (13), the liquid receiving plate (8) comprises an arc-shaped edge connected with the tower wall (2) and a straight edge enclosing a closed structure with the arc-shaped edge, the straight edge is connected with a first baffle plate (14) extending upwards, the two horizontal ends of the first baffle plate (14) are respectively connected with the tower wall (2), and the tower wall (2), the first baffle plate (14) and the liquid receiving plate (8) enclose a liquid receiving area which is open upwards.
12. The dividing wall tower according to claim 11, characterized in that a second baffle (15) extending downwards is connected to the edge of the collector plate (6) at the downcomer opening (13), the second baffle (15) being connected at both horizontal ends to the tower wall (2), the first baffle (14) being located between the second baffle (15) and the adjustment zone (9).
13. The dividing wall column according to claim 12, wherein the lower edge of the second baffle (15) is lower than the upper edge of the first baffle (14).
14. A rectification column, characterized in that a dividing wall column according to any one of claims 1 to 13 is arranged in the rectification column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910028287.1A CN111434367B (en) | 2019-01-11 | 2019-01-11 | Dividing wall tower and rectifying tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910028287.1A CN111434367B (en) | 2019-01-11 | 2019-01-11 | Dividing wall tower and rectifying tower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111434367A CN111434367A (en) | 2020-07-21 |
| CN111434367B true CN111434367B (en) | 2021-12-17 |
Family
ID=71579775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910028287.1A Active CN111434367B (en) | 2019-01-11 | 2019-01-11 | Dividing wall tower and rectifying tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111434367B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112933647B (en) * | 2019-12-10 | 2022-07-08 | 中国石油化工股份有限公司 | Gas phase distribution control device and partition plate rectifying tower using same |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3840486B2 (en) * | 2004-12-27 | 2006-11-01 | 光洋サーモシステム株式会社 | Heating method and heating apparatus |
| JP4043383B2 (en) * | 2003-03-07 | 2008-02-06 | 中部電力株式会社 | Membrane reactor and synthesis gas production method using the same |
| CN101700916A (en) * | 2009-11-06 | 2010-05-05 | 清华大学 | Process and system for treating industrial normal propyl alcohol waste liquor |
| CN101745244A (en) * | 2010-01-21 | 2010-06-23 | 天津天大天久科技股份有限公司 | Tower plate bearing structure of large-scale cross-flow plate type tower |
| CN102316949A (en) * | 2009-02-12 | 2012-01-11 | Lg化学株式会社 | Dividing wall distillation column |
| CN203569036U (en) * | 2013-11-12 | 2014-04-30 | 中石化洛阳工程有限公司 | Fractionating tower for oil products |
| CN204601655U (en) * | 2015-02-17 | 2015-09-02 | 天津奥展兴达化工技术有限公司 | Column plate assembly falls in the gas distribution structure of iris type rectifying column and pressure regulation |
| CN106139627A (en) * | 2015-03-27 | 2016-11-23 | 中国石油化工股份有限公司 | A kind of demarcation strip rectifying column |
| US9504934B2 (en) * | 2013-10-27 | 2016-11-29 | Purdue Research Foundation | Multicomponent dividing wall columns |
| WO2017001691A1 (en) * | 2015-07-02 | 2017-01-05 | Solvay Sa | Gas separation unit comprising a rotor with a plurality of sectors and a stator |
| CN206285519U (en) * | 2016-12-23 | 2017-06-30 | 惠安创达装饰设计有限公司 | A kind of rectifying tower with bulkhead with moveable bulkhead |
| WO2017194203A1 (en) * | 2016-05-12 | 2017-11-16 | Linde Aktiengesellschaft | Fluid collection device, material exchange column and method for producing a fluid collection device of this type |
| CN207307233U (en) * | 2016-11-17 | 2018-05-04 | 洛阳和梦科技有限公司 | The combined non-decile dividing wall column of multistage with gas-liquid modulator |
| CN108136273A (en) * | 2016-05-16 | 2018-06-08 | 贝尼特M有限公司 | Distribution device in gas-fluid and the method for adjusting steam segregation ratio |
| CN207822549U (en) * | 2017-10-20 | 2018-09-07 | 中国石油化工股份有限公司 | Rectifying tower with bulkhead |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7129387B2 (en) * | 2003-03-20 | 2006-10-31 | Bp Corporation North America Inc. | Low capital implementation of distributed distillation in ethylene recovery |
-
2019
- 2019-01-11 CN CN201910028287.1A patent/CN111434367B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4043383B2 (en) * | 2003-03-07 | 2008-02-06 | 中部電力株式会社 | Membrane reactor and synthesis gas production method using the same |
| JP3840486B2 (en) * | 2004-12-27 | 2006-11-01 | 光洋サーモシステム株式会社 | Heating method and heating apparatus |
| CN102316949A (en) * | 2009-02-12 | 2012-01-11 | Lg化学株式会社 | Dividing wall distillation column |
| CN101700916A (en) * | 2009-11-06 | 2010-05-05 | 清华大学 | Process and system for treating industrial normal propyl alcohol waste liquor |
| CN101745244A (en) * | 2010-01-21 | 2010-06-23 | 天津天大天久科技股份有限公司 | Tower plate bearing structure of large-scale cross-flow plate type tower |
| US9504934B2 (en) * | 2013-10-27 | 2016-11-29 | Purdue Research Foundation | Multicomponent dividing wall columns |
| CN203569036U (en) * | 2013-11-12 | 2014-04-30 | 中石化洛阳工程有限公司 | Fractionating tower for oil products |
| CN204601655U (en) * | 2015-02-17 | 2015-09-02 | 天津奥展兴达化工技术有限公司 | Column plate assembly falls in the gas distribution structure of iris type rectifying column and pressure regulation |
| CN106139627A (en) * | 2015-03-27 | 2016-11-23 | 中国石油化工股份有限公司 | A kind of demarcation strip rectifying column |
| WO2017001691A1 (en) * | 2015-07-02 | 2017-01-05 | Solvay Sa | Gas separation unit comprising a rotor with a plurality of sectors and a stator |
| WO2017194203A1 (en) * | 2016-05-12 | 2017-11-16 | Linde Aktiengesellschaft | Fluid collection device, material exchange column and method for producing a fluid collection device of this type |
| CN108136273A (en) * | 2016-05-16 | 2018-06-08 | 贝尼特M有限公司 | Distribution device in gas-fluid and the method for adjusting steam segregation ratio |
| CN207307233U (en) * | 2016-11-17 | 2018-05-04 | 洛阳和梦科技有限公司 | The combined non-decile dividing wall column of multistage with gas-liquid modulator |
| CN206285519U (en) * | 2016-12-23 | 2017-06-30 | 惠安创达装饰设计有限公司 | A kind of rectifying tower with bulkhead with moveable bulkhead |
| CN207822549U (en) * | 2017-10-20 | 2018-09-07 | 中国石油化工股份有限公司 | Rectifying tower with bulkhead |
Non-Patent Citations (2)
| Title |
|---|
| Numerical research on vapor splitter in divided wall column;Yuqi Hu;《Chemical Engineering Researcn Design》;20181030;41-46 * |
| 隔壁塔设计与控制的研究进展;胡雨奇;《天津工业大学学报》;20150625;第34卷(第3期);519-532 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111434367A (en) | 2020-07-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE102007019816A1 (en) | Collector-distributor combination | |
| EP2829308B1 (en) | Liquid dispensing device | |
| CN111434367B (en) | Dividing wall tower and rectifying tower | |
| CN108601989B (en) | Multi-pass, parallel downcomer tray for mass transfer columns | |
| US20050017381A1 (en) | Wall-flow redistributor for packed columns | |
| US20220168663A1 (en) | Mass transfer assembly and column with dividing wall and methods involving same | |
| CN109736545A (en) | A kind of automatic plucking equipment of indoor wall with walking mechanism | |
| CN206285519U (en) | A kind of rectifying tower with bulkhead with moveable bulkhead | |
| CN111434366B (en) | Dividing wall tower and rectifying tower | |
| CN215742367U (en) | Baffle plate demister for salt production | |
| CN101100276A (en) | Bottle cap slideway | |
| CN208614113U (en) | A kind of welding fixture convenient for adjusting | |
| CN207172349U (en) | Section construction mould | |
| DE3423575A1 (en) | Method and device for the utilisation of gravity and buoyancy | |
| EP3511063A1 (en) | Column mounting bracket | |
| CN219703167U (en) | Double-station notch punching device for single-side discharging | |
| EP3710124A1 (en) | Mass transfer assembly and column with dividing wall and methods involving same | |
| CN217581622U (en) | Railing with adjustable height | |
| DE19622955A1 (en) | Mass transfer plate with long, slot-shaped vapour risers and bubble caps | |
| CN117046145B (en) | Trough-disc type gas-liquid distributor for catalytic reaction rectification | |
| CN109589879A (en) | A kind of gas-liquid mass transfer device | |
| DE1248613B (en) | Two-stage air-cooled condenser for the top product of a distillation or rectification column | |
| CN113117362B (en) | Liquid phase distribution control device and partition plate rectifying tower comprising same | |
| CN213625374U (en) | Road guardrail | |
| CN209538135U (en) | Gas shield dam plate locking device |
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 |