CN220277004U

CN220277004U - Composite type three-dimensional mass transfer tray

Info

Publication number: CN220277004U
Application number: CN202321264040.8U
Authority: CN
Inventors: 王志亮; 朱宝; 武培培; 张兵
Original assignee: Tianjin Aozhan Xingda Technology Co ltd
Current assignee: Tianjin Aozhan Xingda Technology Co ltd
Priority date: 2023-05-23
Filing date: 2023-05-23
Publication date: 2024-01-02
Anticipated expiration: 2033-05-23

Abstract

The application provides a composite three-dimensional mass transfer tray, which comprises a tray, wherein a vertical plate is arranged on the tray, two sides of the vertical plate are connected with wing plates, the top of the vertical plate is provided with a cover plate, a fixed valve is arranged on the cover plate, and sieve holes are formed in the tray and the wing plates; adopt the combination of pterygoid lamina, apron, riser in this application, realized column plate (sieve tray), three-dimensional mass transfer tray, the combination of three kinds of trays of solid valve tray, when effectively increasing mass transfer efficiency, also carried better interception effect to the entrainment, reduced the entrainment of tray to also improved the separation efficiency of tray, let the tray possess better anti-blocking performance simultaneously.

Description

Composite type three-dimensional mass transfer tray

Technical Field

The application relates to the technical field of chemical equipment, in particular to a composite type three-dimensional mass transfer tray.

Background

The development and production of the chemical industry are not separated from the continuous development and progress of the tower and the internal components thereof, wherein the tower internal components play a vital role, especially in the aspects of the separation efficiency of the tower and the pressure drop control of the tower, so that the form and the structure of the tower internal components are also important points of research.

The prior tower mainly comprises a packed tower and a plate tower, wherein the plate tower mainly comprises various tower plates such as a sieve plate tower plate, a cap plate tower plate, a floating valve tower plate and the like; the trays of each form of tray column form have the applicable field and also have their own advantages and disadvantages:

1. the sieve plate tower plate has simple structure, but has small operation elasticity and low mass transfer efficiency for the process with larger liquid-gas ratio; 2. the cap tower plate has high operation elasticity, difficult blocking of the tower plate, complex structure, high manufacturing cost, low production capacity and low plate efficiency, and the aperture of the tooth gaps is fixed, so that the adaptation performance to the steam load change is poor, the gas speed is low, the gas-liquid contact is poor, and the steam is easy to blow off the liquid when the gas speed is high; 3. the floating valve tower has larger operation elasticity, can better adapt to the change of the feeding quantity, has better gas-liquid stirring, small entrainment, long contact time and good mass transfer effect, but steam is sprayed out along the periphery of the rising steam air hole, and liquid is still reversely mixed, so that the mass transfer efficiency can be reduced.

In conclusion, the three-dimensional mass transfer tray has high mass transfer efficiency and large operation elasticity, but still has larger lifting space, a certain area is highly limited in chemical production, the tray with higher efficiency is required to reach the effect in the effective height, aiming at the requirements, the advantages of various trays are integrated on the basis that I fully understand and use the three-dimensional mass transfer tray, and the composite three-dimensional mass transfer tray is invented, so that the efficiency can be improved, and a plurality of advantages are realized.

Based on the above-mentioned ideas, the applicant searched the prior art as detailed as possible, resulting in the prior art as follows:

the utility model provides a composite tray with the application number of CN200720311334.6, and provides a technical scheme, which comprises a fixed valve and a floating valve, wherein the fixed valve and the floating valve are uniformly arranged at intervals according to the proportion of 1:0.2-9; compared with a simple valve fixing tray, the operation elasticity is greatly increased, and the application range of the valve fixing is widened; the composite tray has the advantages of the fixed valve and the floating valve, but the fixed valve and the floating valve are only arranged on the tray according to the proportion in the application, the connection and the combination of the fixed valve and the floating valve are not carried out, and for chemical production occasions with high restrictions in some areas, the efficiency is improved relative to the fixed valve or the floating valve, but the efficiency is still to be improved, and the concept of the utility model is completely different from that of the application.

No patent document related to the point of the present application was found during the search.

In summary, a new technical solution is needed to solve the above technical problems.

Disclosure of Invention

The application provides a compound three-dimensional mass transfer tower tray, which comprises a tower plate, be equipped with the riser on the tower plate, the both sides of riser are connected with the pterygoid lamina, the top of riser is equipped with the apron, be equipped with the solid valve on the apron, all seted up the sieve mesh on tower plate, the pterygoid lamina.

As a preferable scheme, the wing plate is a flat plate wing plate or an arc-shaped plate wing plate.

As a preferable scheme, the edge of the flat plate wing plate is provided with a bending plate.

As a preferable scheme, an included angle alpha is arranged between the bending plate and the lower end face of the flat plate wing plate, and the included angle alpha is more than 90 degrees and less than 180 degrees.

As a preferable scheme, the wing plates are regular corrugated plates with wave crests and wave troughs.

As a preferred embodiment, the wing plates are arranged horizontally or obliquely on the vertical plate.

As a preferable scheme, the top surface of the vertical plate is arranged in parallel with the wing plate.

As a preferable scheme, the wing plate is provided with a baffle plate on the side higher than the vertical plate.

As a preferred scheme, the cover plate is a flat plate cover plate or an arc-shaped cover plate.

As a preferred scheme, the edge of the flat cover plate is provided with a bending plate.

As a preferable scheme, an included angle alpha is arranged between the bending plate and the lower end face of the flat plate cover plate, and the included angle alpha is more than 90 degrees and less than 180 degrees.

As a preferable scheme, the bending plate is provided with a hole.

As a preferable scheme, rib plates are arranged at the connection positions of the vertical plate and the wing plates, the connection positions of the vertical plate and the tower plates and the connection positions of the vertical plate and the cover plate.

As a preferred solution, the width of the wing plate is equal to that of the cover plate.

As a preferable scheme, the widths of the wing plate and the cover plate are sequentially increased along the direction of the cover plate on the vertical plate.

As a preferable scheme, the number of layers of the wing plate is 1-4.

As a preferable scheme, the wing plates adopt at least two layers of wing plates, and the sieve holes on the adjacent wing plates are arranged in a staggered way.

As a preferable scheme, when at least two layers of wing plates are adopted, the number of the layers of the wing plates is 2-4.

As a preferable mode, the sieve holes are formed in the vertical plate.

The application has the following advantages:

1. the combination of the wing plates, the cover plates and the vertical plates realizes the combination of three trays, namely a tower plate (a sieve plate tray), a three-dimensional mass transfer tray and a solid valve tray, so that the mass transfer efficiency is effectively improved, the entrainment is better intercepted, the entrainment of the tray is reduced, the separation efficiency of the tray is further improved, and meanwhile, the tray has better anti-blocking performance;

2. according to the application, the vertical plate is connected with the tower plate, the vertical plate is provided with the holes, so that the weight of the tower tray is reduced, the trafficability is increased, the contact degree of gas and liquid phases is increased, and meanwhile, only one vertical plate is connected with the tower plate, so that dead zones are avoided, and the anti-blocking performance is improved;

3. the arrangement of the multi-layer wing plates can greatly increase the contact strength of the gas and the liquid, enhance the mass transfer efficiency and further improve the mass transfer efficiency of the tray; the multi-layer wing plates are adopted, the openings between two adjacent layers of wing plates are required to be staggered, gas-liquid phase short circuit is avoided, and the efficiency of the tower tray is reduced;

4. the top of the vertical plate is provided with a cover plate, the cover plate is provided with a solid valve, the solid valve increases the flow degree of liquid phase on the cover plate, avoids accumulation of solid substances, reduces dead zones, and enhances the anti-blocking performance of the tray;

5. the rib plates are arranged, so that the connection strength is increased, and the damage of the tray is avoided;

6. the combined tray of this application has more effectual separation efficiency that has improved the individual layer tray, can play energy-conserving effect in to the tray transformation, can save energy to the new tower project of doing, can reduce the effect that the tower height saved the investment simultaneously.

Drawings

FIG. 1 is a schematic view of a first embodiment of the present application;

FIG. 2 is a schematic view of a second embodiment of the present application;

FIG. 3 is a schematic structural diagram of a second embodiment of the present application;

FIG. 4 is a schematic structural view of a third embodiment of the present application;

FIG. 5 is a schematic structural view of a fourth embodiment of the present application;

FIG. 6 is a schematic view of the structure of an embodiment five of the present application at an angle one;

FIG. 7 is a schematic view of the angle between the wing plate and the bending plate in the present application;

FIG. 8 is a schematic view of the angle between the cover plate and the bending plate in the present application;

1. tray 2, vertical plate 3, wing plate 4, cover plate 5 and fixed valve

6. Screen holes 7, wing plates I8, wing plates II 9 and III

10. Bending plate 11, holes 12, rib plates 13 and regular corrugated plates

14. And a baffle.

Detailed Description

The following describes embodiments of the present utility model in detail with reference to fig. 1 to 8. It should be noted that the detailed description herein is presented for purposes of illustration and explanation only and is not intended to limit the utility model.

Embodiment one:

as shown in fig. 1 and fig. 2, the embodiment provides a composite three-dimensional mass transfer tray, which comprises a tray plate 1, wherein the tray plate 1 adopts a sieve tray, a vertical plate 2 is arranged on the tray plate 1, the vertical plate 2 is preferably rectangular, the vertical plate 2 and the tray plate 1 are vertically arranged and are connected through welding and the like, and the dead zone of the area is reduced compared with that of the traditional tray plate by only arranging one vertical plate 2; the two sides of the vertical plate 2 are connected with wing plates 3, preferably, the wing plates 3 on the two sides are symmetrically arranged relative to the vertical plate 2, the wing plates 3 and the vertical plate 2 are connected in a welding mode or the like, and can be integrally formed, the wing plates 3 can be horizontally arranged on the vertical plate 2 or can be obliquely arranged on the vertical plate 2, when the vertical plate 2 is horizontally arranged, the wing plates 3 are parallel to the tower plate 1, when the vertical plate is obliquely arranged, the wing plates 3 intersect with the extension lines of the tower plate 1, an angle is formed between the wing plates 3, the number of layers of the wing plates 3 is preferably 1-4, the top of the vertical plate 2 is connected with a cover plate 4 in an equal mode, a fixed valve 5 is arranged on the cover plate 4, the fixed valve 5 of the cover plate 4 is combined into a fixed valve tray, the fixed valve 5 is added on the cover plate 4, the fluidity of liquid on the cover plate 4 is increased, dead zones on the cover plate 4 are avoided, the fixed valve 5 can be in the form of various existing fixed valve forms, and the vertical plate is not subjected to any improvement; the sieve pores 6 are formed in the column plate 1 and the wing plate 3, the sieve pores 6 are in round, rectangular, triangular, clover-leaf-shaped, four-leaf-shaped, irregular and the like, and preferably, the sieve pores 6 are further formed in the vertical plate 2, so that the trafficability of gas phase and liquid phase can be ensured, the weight of the whole column tray can be reduced, and the requirement on the strength of the column body can be reduced.

More preferably, in order to further effectively reduce the entrainment degree, the wing plate 3 adopts at least two layers of multi-layer wing plates, the combination of the multi-layer wing plate 3 and the cover plate 4 can effectively reduce the entrainment degree, the wing plate 3 is preferably 2 to 4 layers, three layers are adopted in fig. 1 and 2 in this embodiment, and each of the three layers comprises a wing plate one 7, a wing plate two 8 and a wing plate three 9, the wing plates one 7, the wing plate two 8 and the wing plate three 9 respectively comprise two wing plates 3 arranged on two sides of the vertical plate 2, as shown in fig. 1 and 2, the wing plates one 7, the wing plate two 8 and the wing plate three 9 are respectively horizontally arranged, and in order to ensure the separation efficiency, the wing plates one 7 and the wing plates two 8, the wing plates two 8 and the sieve holes 6 on the wing plate three 9 are alternately arranged, and the combination of the multi-layer wing plate 3 and the cover plate 4 can effectively reduce the entrainment degree.

In this embodiment, the first wing plate 7, the second wing plate 8 and the third wing plate 8 are all flat wing plates, and the lengths, the widths and the thicknesses of the first wing plate 7, the second wing plate 8 and the third wing plate 9 are all equal, in order to better realize the fluidity of the liquid, the edges of the first wing plate 7, the second wing plate 8 and the third wing plate 9 are provided with bending plates 10, and the lengths of the bending plates 10 are equal to the lengths of the first wing plate 7, the second wing plate 8 and the third wing plate 9, namely, the length edges of the first wing plate 7, the second wing plate 8 and the third wing plate 9 are connected with the length edges of the bending plates 10, or are integrally formed; the width of the bending plate 10 is preferably about 20-30mm, as shown in fig. 7, an angle α is formed between the bending plate 10 and the flat plate wing plate, the angle α is greater than 90 ° and less than 180 °, more preferably greater than 90 ° and less than 170 °, in this embodiment, the angles between the first wing plate 7, the second wing plate 8 and the third wing plate 9 are all α, the bending plate 10 is provided with a hole 11, and the shape of the hole 11 is not limited to a circle, a rectangle, a triangle, a clover, a four-leaf groove shape, an irregular shape, or the like; the cover plate 4 is a flat plate cover plate or an arc-shaped cover plate, in fig. 1, a flat plate cover plate can be adopted, the arc-shaped cover plate can be adopted, the edge of the flat plate cover plate is provided with a bending plate 10 when the flat plate cover plate is adopted, the length of the bending plate 10 is equal to that of the flat plate cover plate, the width of the bending plate 10 is preferably about 20-30mm, and an angle alpha is formed between the bending plate 10 and the flat plate cover plate and is more preferably more than 90 degrees and less than 180 degrees, and more preferably more than 90 degrees and less than 170 degrees as shown in fig. 8; the bending plate 10 is provided with an opening 11, and the shape of the opening 11 is not limited to a round shape, a rectangular shape, a triangular shape, a clover shape, a four-leaf groove shape, an irregular shape and the like; preferably, the length and the width of the flat cover plate are respectively equal to the length and the width of the wing plate I7, the wing plate II 8 and the wing plate III.

Preferably, the rib plate 12 is arranged at the connection part of the vertical plate 2 and the wing plate 3, the connection part of the vertical plate 2 and the tower plate 1 and the connection part of the vertical plate 2 and the cover plate 4, the rib plate 12 is connected with the vertical plate 2, the wing plate 3, the tower plate 1 and the cover plate 4 respectively through welding and other forms, the strength of the tower tray is increased due to the rib plate 12 between the vertical plate 2 and the tower plate 1 and the rib plate 12 between the cover plate 4 and the vertical plate 2, the rib plate 12 between the wing plate 3 and the vertical plate 2 is arranged, the connection strength between the reinforcing wing plate 3 and the vertical plate 2 is improved, and the wing plate 3 is prevented from being repeatedly bent and damaged.

The embodiment provides the composite type three-dimensional mass transfer tray, which not only greatly improves the efficiency of the tray, but also improves the anti-blocking performance of the tray; the tray plates in various forms are organically combined, the advantages of the tray plates in various forms are combined, the tray plates in various forms are mutually matched, the three-dimensional mass transfer tray plates, the sieve plate tower and the solid valve tower are combined, the anti-blocking performance of the solid valve tray plates is utilized, the high efficiency of the three-dimensional mass transfer tray plates is achieved, the mass transfer efficiency is effectively improved, the better interception effect on entrainment is achieved, the entrainment of the tray plates is reduced, and therefore the separation efficiency of the tray plates is also improved.

Embodiment two:

as shown in fig. 3, the difference between the present embodiment and the first embodiment is that the first wing plate 7, the second wing plate 8, the third wing plate 9 and the cover plate 4 have equal lengths and sequentially increased widths, so that the operation treatment effect on the large-air-volume tower is better and the mass transfer efficiency is higher.

Preferably, the thicknesses of the first wing plate 7, the second wing plate 8 and the third wing plate 9 are equal.

Embodiment III:

as shown in fig. 4, the first difference between the present embodiment and the first embodiment is that the first wing plate 7, the second wing plate 8, and the third wing plate 9 adopt arc-shaped wing plates, and the connection point between the arc-shaped wing plates and the vertical plate 2 is the highest point, and then the arc-shaped wing plates are bent downwards in an arch shape; the radian, the width and the thickness of the wing plate I7, the wing plate II 8 and the wing plate III 9 are equal.

The cover plate 4 is a flat plate cover plate or an arc cover plate, in fig. 4, an arc cover plate may be used, and a flat cover plate is not specifically limited herein, and when a flat cover plate is used, a specific structure refers to the first embodiment and is not specifically described herein; when the arc-shaped cover plate is adopted, the radian and the width of the arc-shaped cover plate are equal to those of the first wing plate 7, the second wing plate 8 and the third wing plate 9.

Embodiment four:

as shown in fig. 5, the difference between the present embodiment and the third embodiment is that the widths of the wing plates 7, 8 and 9 are gradually widened, so that the operation treatment effect on the large-gas-volume tower is better, and the mass transfer efficiency is higher; the radian of the wing plate I7, the wing plate II 8 and the wing plate III 9 can be equal to the radian of the cover plate 4, can be gradually increased, and can be correspondingly arranged according to the volume of the tower without limitation.

Fifth embodiment:

as shown in fig. 6, the first difference from the first embodiment is that the first wing plate 7, the second wing plate 8 and the third wing plate 9 adopt a regular corrugated plate 13 with wave crests and wave troughs, the wave crests and wave troughs of the regular corrugated plate 13 are in wave shapes, rectangular shapes, triangular shapes and the like, which are not limited specifically, the technical personnel can select according to specific conditions, the regular corrugated plate 13 in the embodiment is obliquely arranged, and the mass transfer efficiency can be further improved by obliquely arranging the regular corrugated plate 13, more specifically: the first wing plate 7, the second wing plate 8 and the third wing plate 9 are all obliquely arranged, the first wing plate 7, the second wing plate 8 and the third wing plate 9 are mutually parallel, and in the embodiment, the top surface of the neutral plate 2 is parallel to the wing plate 3 and is also an inclined surface, but the inclined surface is not limited, a plane can be adopted, and in the same way, the cover plate 4 is a flat plate cover plate or an arc-shaped cover plate and is not described herein; corrugated plates with rectangular wave crest and wave trough sections can be adopted, the valve fixing is convenient to install, the embodiment is not particularly limited, and a technician can set according to specific conditions.

Preferably, in order to prevent the occurrence of back mixing when the liquid amount is large, thereby further improving the mass transfer effect, the inclined wing plate 3 is provided with a baffle 14 on the side higher than the vertical plate 2, and the baffle is connected with one end of the wing plate 3 by welding or the like, and can also be formed by adopting an integral forming mode.

Example six:

the present embodiment provides a specific application, in particular:

the composite type solid mass transfer tray in the first embodiment is adopted, a rectifying tower using the tray is used for treating turbid liquid containing solid particles, the diameter of the tower is 1800mm, and the tray is 60 layers.

When the original three-dimensional mass transfer tray is used, the reflux ratio of the tower is 3.4, the energy consumption is high, more solid particles are accumulated on the tray within three months, so that the tray is blocked, the whole tower cannot normally operate, the pressure drop of the tower is increased by 3 times, the efficiency of the tower is reduced to 40%, the normal production is seriously influenced, the internal parts are required to be cleaned frequently, and the cleaning difficulty is high; after the tray of the first embodiment is replaced, the tray is successfully started for about one year, the deposited solids on the tray are less than 60% of the original solids, the separation efficiency is still higher, the operation period is prolonged, partial dead zones are avoided by the structure of the tray, the tray is easier to clean, the number of theoretical plates is increased due to high efficiency of the tray, the effective smaller reflux ratio is 2.8, and the energy-saving effect is up to 17.6%.

In summary, due to the adoption of the technical scheme, the application has the following advantages:

The above devices, connection relationships, etc. which are not specifically described belong to the prior art, and the present utility model is not specifically described herein.

The preferred embodiments of the present application have been described in detail above with reference to the accompanying drawings, but the present application is not limited to the specific details of the foregoing embodiments, and various simple modifications may be made to the technical solutions of the present application within the scope of the technical concept of the present application, and all the simple modifications belong to the protection scope of the present application.

In addition, the specific features described in the foregoing embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations of the present utility model are not described in detail.

Moreover, any combination of the various embodiments of the present application may be made without departing from the spirit of the present application, which is also to be considered as disclosed herein.

Claims

1. The utility model provides a compound three-dimensional mass transfer tower tray, includes column plate (1), its characterized in that, be equipped with riser (2) on column plate (1), the both sides of riser (2) are connected with pterygoid lamina (3), the top of riser (2) is equipped with apron (4), be equipped with on apron (4) and set firmly valve (5), sieve mesh (6) have all been seted up on column plate (1), pterygoid lamina (3).

2. The composite solid mass transfer tray according to claim 1, wherein the wing plate (3) is a flat plate wing plate or an arc-shaped plate wing plate, a bending plate (10) is arranged at the edge of the flat plate wing plate, and an included angle alpha is arranged between the bending plate (10) and the lower end surface of the wing plate (3), wherein the included angle alpha is 90 degrees < alpha < 180 degrees.

3. The composite solid mass transfer tray of claim 1 wherein said fins are regular corrugated plates with peaks and valleys.

4. A composite solid mass transfer tray according to claim 2 or 3, characterized in that the wings (3) are arranged horizontally or obliquely on the riser (2).

5. The composite solid mass transfer tray according to claim 4, wherein the top surface of the riser (2) is arranged parallel to the wing (3).

6. The composite solid mass transfer tray according to claim 4, wherein the wing plate (3) is provided with a baffle (14) on the side of the riser (2) that is high.

7. The composite solid mass transfer tray according to claim 1, wherein the cover plate (4) is a flat plate cover plate or an arc-shaped cover plate, a bending plate (10) is arranged at the edge of the flat plate cover plate, and an included angle alpha is arranged between the bending plate (10) and the lower end surface of the flat plate cover plate, wherein 90 degrees < alpha < 180 degrees.

8. The composite solid mass transfer tray according to claim 2 or 7, wherein the bending plate (10) is provided with holes (11).

9. The composite solid mass transfer tray according to claim 1, wherein rib plates (12) are arranged at the connection of the vertical plate (2) and the wing plates (3), the connection of the vertical plate (2) and the tray (1) and the connection of the vertical plate (2) and the cover plate (4).

10. The composite solid mass transfer tray according to claim 1, wherein the width of the wing plate (3) is equal to the width of the cover plate (4); or the widths of the wing plates (3) and the cover plate (4) are sequentially increased along the direction of the cover plate (4) on the vertical plate (2).

11. The composite solid mass transfer tray according to claim 1, wherein the wing plates (3) are at least two layers of wing plates (3), and the sieve holes (6) on the adjacent wing plates (3) are staggered.

12. The composite solid mass transfer tray according to claim 1, wherein said vertical plate (2) is provided with said mesh openings (6).