CN214808525U - Rectifying column tower plate assembly - Google Patents
Rectifying column tower plate assembly Download PDFInfo
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- CN214808525U CN214808525U CN202120511316.2U CN202120511316U CN214808525U CN 214808525 U CN214808525 U CN 214808525U CN 202120511316 U CN202120511316 U CN 202120511316U CN 214808525 U CN214808525 U CN 214808525U
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- downcomer
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- exhaust cap
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Abstract
The utility model discloses a rectifying column tower plate subassembly, concretely relates to rectifying column equipment technical field, including tower body and tower plate main part, the sieve mesh has been seted up on tower plate main part surface, the inside screw thread of sieve mesh is provided with the air discharge cap, the top of air discharge cap slides and is provided with the valve gap, the backward flow mouth has been seted up to tower plate main part surface position in one side, the bottom of tower plate main part is located backward flow mouth below fixedly connected with downcomer, the liquid outlet has been seted up near the bottom to one side that the downcomer is close to the baffle, the inside of downcomer is provided with the baffler. The utility model discloses have the effect that makes abundant contact improve rectification efficiency between steam and liquid, improve and set up exhaust cap and valve rod and can make steam flow through the sieve mesh and exhaust hole and liquid contact, thereby improve area of contact and improve rectification efficiency, can effectively reduce the space of liquid return opening department between the column plate main part through setting up downcomer and baffler, effectively reduced the circulation of steam in return opening department.
Description
Technical Field
The utility model relates to a rectifying column equipment technical field, more specifically says, the utility model relates to a rectifying column tower plate subassembly.
Background
The rectifying tower is a tower-type gas-liquid contact device, is also a mass and heat transfer device which is widely applied in petrochemical production and is mainly used for high-efficiency rectification. The working principle is that the light component in the liquid phase is transferred to the gas phase and the heavy component in the gas phase is transferred to the liquid phase by utilizing the property that each component in the mixture has different volatility, namely, the vapor pressure of each component is different at the same temperature, thereby realizing the purpose of separation. The tray assembly is used as a core component in the distillation column to make two fluids contact closely and perform mass exchange between two phases so as to achieve the purpose of separating components of a liquid mixture or a gas mixture, and the rectification efficiency of the rectification column depends on the structure of the tray assembly to a large extent.
However, in practical use, the common rectifying tower plate assembly is simple in structure, and often only a plurality of sieve holes are formed in the plate body, so that ascending steam cannot be fully contacted with liquid, the reflux condition is easy to occur, the rectifying effect is poor, and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defects of the prior art, the embodiments of the present invention provide a rectifying tower plate assembly to solve the problems proposed in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a rectifying column tower plate subassembly, includes tower body and column plate main part, column plate main part is arranged evenly distributed from top to bottom inside the tower body, a plurality of evenly distributed's sieve mesh has been seted up on column plate main part surface, the inside screw thread of sieve mesh is provided with the exhaust cap, the top of exhaust cap slides and is provided with the valve gap, column plate main part's top is close to bilateral symmetry and is provided with the baffle, column plate main part surface is located the outside of a side shield and has seted up the backward flow mouth, column plate main part's bottom is located backward flow mouth below fixedly connected with downcomer, the bottom of downcomer and the top fixed connection of adjacent column plate main part, the downcomer is close to one side of baffle and is close to the bottom and has seted up the liquid outlet, the inside of downcomer is provided with the baffler.
Furthermore, the part, close to the top, inside the sieve mesh is provided with internal threads, the internal threads inside the sieve mesh are connected with a threaded pipe, and the top of the threaded pipe extends out of the sieve mesh and is fixedly connected with an exhaust cap.
Furthermore, a plurality of exhaust holes are distributed in the inner wall of the exhaust cap in an equiangular circumferential manner, a piston is arranged inside the exhaust cap above the exhaust holes in a sliding manner, a fixing plate is fixedly connected to the top of the piston, a connecting rod is fixedly connected to the top of the fixing plate, the top end of the connecting rod penetrates through the exhaust cap and is fixedly connected with the inner wall of the valve cover, and a reset spring is arranged between the top of the fixing plate and the inner wall of the exhaust cap around the connecting rod.
Furthermore, the valve cover is slidably sleeved at the top of the exhaust cap, a rubber pad is arranged on the inner wall of the valve cover above the exhaust cap and around the connecting rod, and the side wall of the valve cover covers the outer side of the exhaust hole on the exhaust cap.
Further, the bottom end of the exhaust cap is provided with a sealing ring around the threaded pipe.
Furthermore, the blocking plates are all arranged in a downward inclined mode, and the blocking plates are arranged among the pipe walls of the downcomer in a staggered mode.
Furthermore, a return port and a downcomer between adjacent column plate main bodies are arranged in opposite directions.
The utility model discloses a technological effect and advantage:
1. through arranging the tower plate main body, the sieve pores, the exhaust cap and the valve cap, compared with the prior art, the steam can flow upwards from the lower part of the tower plate main body and enters the sieve pores to be blocked in the exhaust cap by the valve cap when the gas pressure in the sieve pores reaches certain strength, the piston is pushed to move upwards, the valve cap is pushed upwards by the fixed plate and the connecting rod when the piston moves upwards, the exhaust holes are opened, the steam passes through the exhaust holes to be contacted with the liquid between the baffles above the tower plate main body, the arrangement of the exhaust holes can ensure that the steam is fully contacted with the liquid, thereby improving the mass transfer and heat transfer efficiency, meanwhile, the valve cap can automatically reset to block the exhaust holes when the gas pressure in the sieve pores is reduced through the reset spring, thereby improving the contact acting force between the steam and the liquid, further improving the rectification efficiency, the exhaust cap is in the sieve pores through the threaded pipes, the exhaust cap is convenient to install, maintain and replace;
2. through setting up the column plate main part, the baffle, the backward flow mouth, the downcomer, the liquid outlet, the baffler, compared with the prior art, can make liquid phase material be detained in column plate main part surface sieve mesh top through the baffle that the symmetry set up at column plate main part surface, when too much water level is detained to liquid phase material surpassed the baffle, the liquid that surpasses the part will flow in the downcomer through the backward flow mouth, and flow to column plate main part and discharge through the liquid outlet down along the baffler of crisscross setting, thereby effectively prevent that liquid phase material from detaining too much to influence rectification, the while can effectively reduce the space of backward flow mouth between column plate main part through crisscross slope setting at the inside baffler board of downcomer, thereby reduce the circulation of steam in the downcomer, the efficiency of rectification is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic view of the cross-sectional structure of the tray body of the present invention.
Fig. 3 is an enlarged cross-sectional view of the structure at a in fig. 2 according to the present invention.
Fig. 4 is a schematic top view of the exhaust cap of the present invention.
FIG. 5 is a schematic view of the top view structure of the tray body of the present invention.
The reference signs are: 1. a tower body; 2. a column plate main body; 3. screening holes; 4. an exhaust cap; 5. a valve cover; 6. a baffle plate; 7. a return port; 8. a downcomer; 9. a liquid outlet; 10. a barrier plate; 11. a threaded pipe; 12. an exhaust hole; 13. a piston; 14. a fixing plate; 15. a connecting rod; 16. a return spring; 17. a rubber pad; 18. and (4) a sealing ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
A rectifying column tower plate subassembly as shown in figures 1-5, including tower body 1 and tower plate main part 2, arrange evenly distributed about tower plate main part 2 inside tower body 1, a plurality of evenly distributed's sieve mesh 3 has been seted up on tower plate main part 2 surface, the inside screw thread of sieve mesh 3 is provided with air discharge cap 4, air discharge cap 4's top is slided and is provided with valve gap 5, the top of tower plate main part 2 is close to bilateral symmetry and is provided with baffle 6, backward flow mouth 7 has been seted up in the outside that tower plate main part 2 surface is located a side baffle 6, the bottom of tower plate main part 2 is located backward flow mouth 7 below fixedly connected with downcomer 8, the bottom of downcomer 8 and the top fixed connection of adjacent tower plate main part 2, downcomer 8 is close to the bottom in one side of baffle 6 and has seted up liquid outlet 9, the inside of downcomer 8 is provided with baffler 10.
In a preferred embodiment, the inside of the sieve mesh 3 is provided with internal threads near the top part, the inside of the sieve mesh 3 is connected with a threaded pipe 11 in a threaded manner, and the top of the threaded pipe 11 extends out of the sieve mesh 3 to be fixedly connected with the exhaust cap 4, so that the exhaust cap 4 can be arranged in the sieve mesh 3 through the threads of the threaded pipe 11, the installation and the disassembly of the exhaust cap 4 are facilitated, and the maintenance is facilitated.
In a preferred embodiment, a plurality of exhaust holes 12 are distributed on the inner wall of the exhaust cap 4 at equal angles, a piston 13 is slidably arranged in the exhaust cap 4 above the exhaust holes 12, a fixing plate 14 is fixedly connected to the top of the piston 13, a connecting rod 15 is fixedly connected to the top of the fixing plate 14, the top end of the connecting rod 15 penetrates through the exhaust cap 4 and is fixedly connected with the inner wall of the valve cover 5, a return spring 16 is arranged between the top of the fixing plate 14 and the inner wall of the exhaust cap 4 around the connecting rod 15, so that steam is blocked in the exhaust cap 4 by the valve cover 5 when entering the sieve pores 3, when the gas pressure in the sieve holes 3 reaches a certain intensity, the piston 13 is pushed to move upwards, when the piston 13 moves upwards, the valve cover 5 is pushed upwards through the fixing plate 14 and the connecting rod 15, when the gas pressure is reduced, the reset spring 16 will push the fixed plate 14 to move the piston 13 downwards, and the valve cover 5 is reset.
In a preferred embodiment, the valve cover 5 is slidably sleeved on the top of the exhaust cap 4, a rubber pad 17 is arranged on the inner wall of the valve cover 5 above the exhaust cap 4 around the connecting rod 15, the side wall of the valve cover 5 covers the outside of the exhaust hole 12 on the exhaust cap 4, so that when the valve cover 5 is pushed to move upwards by the gas pressure in the sieve pore 3, the exhaust hole 12 is opened, steam is discharged from the exhaust cap 4 through the exhaust holes 12 and is in full contact with liquid retained on the tray main body 2, and the collision between the reset of the valve cover 5 and the top of the exhaust cap 4 can be relieved through the rubber pad 17.
In a preferred embodiment, the lower end of the exhaust cap 4 is provided with a sealing ring 18 around the threaded pipe 11 so that when the exhaust cap 4 is threadedly disposed in the sieve holes 3 through the threaded pipe 11, airtightness between the sieve holes 3 and the exhaust cap 4 is ensured by the sealing ring 18 being in close contact with the surface of the tray main body 2.
In a preferred embodiment, the blocking plates 10 are all arranged in a downward inclined manner, and the blocking plates 10 are arranged between the walls of the downcomer 8 in a staggered manner, so that gaps at the reflux port 7 between the tray main bodies 2 can be effectively reduced through the staggered and inclined blocking plates 10, thereby reducing the circulation amount of steam in the downcomer 8 and improving the rectification efficiency.
In a preferred embodiment, the flow-back ports 7 between adjacent tray bodies 2 are disposed opposite the downcomer 8, so that the flow-through of vapor in the downcomer 8 is further reduced by disposing the flow-back ports 7 between adjacent tray bodies 2 opposite the downcomer 8.
The utility model discloses the theory of operation: when in use, steam inside the tower body 1 flows through the tower plate main bodies 2 from bottom to top, the steam flows into the sieve holes 3 from the lower parts of the tower plate main bodies 2 and is blocked in the exhaust cap 4 by the valve covers 5, when the gas pressure inside the sieve holes 3 reaches a certain strength, the piston 13 is pushed to move upwards, the valve covers 5 are pushed upwards by the fixing plate 14 and the connecting rod 15, the exhaust holes 12 are opened, the steam passes through the exhaust holes 12 and is in full contact with liquid staying above the tower plate main bodies 2 and between the baffles 6, thereby improving the efficiency of mass transfer and heat transfer, ensuring the rectification efficiency, meanwhile, the valve covers 5 can automatically reset to block the exhaust holes 12 when the gas pressure inside the sieve holes 3 is reduced by the reset springs 16, further improving the contact acting force between the steam and the liquid, improving the efficiency of high-rectification, the exhaust caps 4 are in the sieve holes 3 by the threaded pipes 11, be convenient for install and maintain the change exhaust cap 4, when liquid phase material is detained too much water level in column plate main part 2 top and is surpassed baffle 6, it will flow into downcomer 8 through backward flow mouth 7 to surpass partial liquid, and flow to column plate main part 2 and discharge through liquid outlet 9 along the baffler 10 of crisscross setting, thereby prevent that liquid phase material from detaining too much influence rectification, effectively reduce the space of backward flow mouth 7 department between column plate main part 2, reduce the circulation of steam in downcomer 8, improve rectification efficiency.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a rectifying column tower plate subassembly, includes tower body (1) and column plate main part (2), its characterized in that: the tower plate main bodies (2) are vertically and uniformly distributed in the tower body (1), the surface of each tower plate main body (2) is provided with a plurality of uniformly distributed sieve pores (3), the internal threads of the sieve pores (3) are provided with exhaust caps (4), the tops of the exhaust caps (4) are provided with valve covers (5) in a sliding manner, baffles (6) are symmetrically arranged on the top of the column plate main body (2) close to the two sides, a reflux opening (7) is arranged on the outer side of the baffle (6) on one side of the surface of the column plate main body (2), the bottom of the column plate main body (2) is fixedly connected with a downcomer (8) below the reflux opening (7), the bottom of the downcomer (8) is fixedly connected with the top of the adjacent tray main body (2), a liquid outlet (9) is formed in one side, close to the bottom, of the downcomer (8) close to the baffle (6), and a blocking plate (10) is arranged inside the downcomer (8).
2. A rectifying column tray assembly according to claim 1, wherein: the inner part of the sieve mesh (3) close to the top is provided with internal threads, the inner part of the sieve mesh (3) is in threaded connection with a threaded pipe (11), and the top of the threaded pipe (11) extends out of the sieve mesh (3) and is fixedly connected with an exhaust cap (4).
3. A rectifying column tray assembly according to claim 2, wherein: the exhaust valve is characterized in that a plurality of exhaust holes (12) are distributed in the inner wall of the exhaust cap (4) at equal angles in the circumferential direction, a piston (13) is arranged above the exhaust holes (12) in the exhaust cap (4) in a sliding mode, a fixing plate (14) is fixedly connected to the top of the piston (13), a connecting rod (15) is fixedly connected to the top of the fixing plate (14), the top of the connecting rod (15) penetrates through the inner wall of the exhaust cap (4) and the valve cover (5), and a reset spring (16) is arranged between the top of the fixing plate (14) and the inner wall of the exhaust cap (4) around the connecting rod (15).
4. A rectification column tray assembly in accordance with claim 3, wherein: the valve cover (5) is slidably sleeved at the top of the exhaust cap (4), a rubber pad (17) is arranged above the exhaust cap (4) and around the connecting rod (15) on the inner wall of the valve cover (5), and the side wall of the valve cover (5) covers the outer side of the exhaust hole (12) on the exhaust cap (4).
5. A rectification column tray assembly according to claim 4, wherein: and a sealing ring (18) is arranged at the bottom end of the exhaust cap (4) around the threaded pipe (11).
6. A rectification column tray assembly according to claim 5, wherein: the blocking plates (10) are all arranged in a downward inclined mode, and the blocking plates (10) are arranged among the pipe walls of the downcomer (8) in a staggered mode.
7. A rectification column tray assembly according to claim 6, wherein: the return opening (7) and the downcomer (8) between the adjacent column plate main bodies (2) are arranged in opposite directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120511316.2U CN214808525U (en) | 2021-03-11 | 2021-03-11 | Rectifying column tower plate assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120511316.2U CN214808525U (en) | 2021-03-11 | 2021-03-11 | Rectifying column tower plate assembly |
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| Publication Number | Publication Date |
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| CN214808525U true CN214808525U (en) | 2021-11-23 |
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| CN202120511316.2U Active CN214808525U (en) | 2021-03-11 | 2021-03-11 | Rectifying column tower plate assembly |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114028833A (en) * | 2022-01-07 | 2022-02-11 | 东营曜康医药科技有限公司 | Rectifying tower for producing 2-methyl-3-trifluoromethyl aniline |
| CN114470839A (en) * | 2022-02-15 | 2022-05-13 | 全椒科利德电子材料有限公司 | High-purity propylene electron gas is heat exchange vary voltage rectification equipment with imitating by force |
| CN114984604A (en) * | 2022-06-30 | 2022-09-02 | 张闻龙 | Continuous double-tower distillation system |
| CN115624778A (en) * | 2022-10-21 | 2023-01-20 | 泰兴金江化学工业有限公司 | Ethyl acetate distillation device with recovery processing device and distillation method thereof |
| CN117682597A (en) * | 2024-02-04 | 2024-03-12 | 中化化工科学技术研究总院有限公司 | System for efficiently treating semi-coke wastewater and simultaneously extracting phenols in semi-coke wastewater |
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2021
- 2021-03-11 CN CN202120511316.2U patent/CN214808525U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114028833A (en) * | 2022-01-07 | 2022-02-11 | 东营曜康医药科技有限公司 | Rectifying tower for producing 2-methyl-3-trifluoromethyl aniline |
| CN114028833B (en) * | 2022-01-07 | 2022-05-17 | 东营曜康医药科技有限公司 | Rectifying tower for producing 2-methyl-3-trifluoromethyl aniline |
| CN114470839A (en) * | 2022-02-15 | 2022-05-13 | 全椒科利德电子材料有限公司 | High-purity propylene electron gas is heat exchange vary voltage rectification equipment with imitating by force |
| CN114984604A (en) * | 2022-06-30 | 2022-09-02 | 张闻龙 | Continuous double-tower distillation system |
| CN114984604B (en) * | 2022-06-30 | 2024-01-09 | 河南金大地化工有限责任公司 | Continuous double-tower distillation system |
| CN115624778A (en) * | 2022-10-21 | 2023-01-20 | 泰兴金江化学工业有限公司 | Ethyl acetate distillation device with recovery processing device and distillation method thereof |
| CN115624778B (en) * | 2022-10-21 | 2023-07-28 | 泰兴金江化学工业有限公司 | Ethyl acetate distillation device with recovery processing device and distillation method thereof |
| CN117682597A (en) * | 2024-02-04 | 2024-03-12 | 中化化工科学技术研究总院有限公司 | System for efficiently treating semi-coke wastewater and simultaneously extracting phenols in semi-coke wastewater |
| CN117682597B (en) * | 2024-02-04 | 2024-04-26 | 中化化工科学技术研究总院有限公司 | System for efficiently treating semi-coke wastewater and simultaneously extracting phenols in semi-coke wastewater |
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