Full condenser type rectifying tower

By setting up a pressure-changing tower mechanism in the full-condenser distillation tower, increasing the tower diameter and the number of tower plates, and optimizing the internal structure of the tower, the problem of decreased separation effect caused by increased pressure drop was solved, more efficient gas-liquid distribution and contact were achieved, and the distillation effect was improved.

CN223453740UActive Publication Date: 2025-10-21TIANJIN RONGHAIXIN METAL PROD CO LTD
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Patent Information

Application Number
CN202422997296.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-05
Publication Date
2025-10-21
Estimated Expiration
2034-12-05

AI Technical Summary

Technical Problem

During the operation of the existing full condenser distillation tower, the pressure drop in the tower increases, which affects the relative volatility between components and reduces the separation effect.

Method used

A pressure-changing tower structure is set between the bottom tower body and the upper tower body of the distillation tower, including the main tower body, flange ring, D-shaped support plate, support ladder, half tower plate and auxiliary tower plate, etc. The tower diameter is increased and the number of tower plates is increased, and the structural design inside the tower is optimized to reduce the pressure drop.

Benefits of technology

Through the design of the pressure-changing tower structure, more uniform distribution and sufficient contact between gas and liquid can be achieved, the distillation effect can be improved, the pressure drop in the tower can be reduced, and the separation efficiency can be improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a total condenser type rectifying tower which comprises a rectifying bottom tower body and an upper tower body and further comprises a pressure changing tower mechanism, the pressure changing tower mechanism comprises a main tower body, flange rings, a D-shaped supporting plate, a supporting ladder frame, an I-shaped support, a half tower plate, a matched tower plate and a shaft rod, the flange rings are fixed at the two ends of a tower opening of the main tower body, and the D-shaped supporting plate is fixed at the two ends of the tower opening of the main tower body. The pressure changing tower mechanism is arranged between an existing rectifying bottom tower body and an upper tower body, after the rectifying bottom tower body and the upper tower body are communicated and assembled, an annular convex tower body of the main tower body enables the inner space of the section of tower body to be enlarged, and uniform distribution and full contact of gas and liquid in the main tower body are facilitated; the tower diameter at the main tower body is increased, the number of the tower plates is increased, and the structural design in the tower is optimized, so that the pressure drop in the tower is effectively reduced, and the rectifying effect of the total condenser type rectifying tower is effectively improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to rectifying tower technical field, especially a full condenser formula rectifying tower. BACKGROUND

[0002] Rectifying tower is the equipment that utilizes the different volatility of each component in mixture, namely the vapor pressure difference of each component at the same temperature, makes the light component (low boiling point substance) in liquid phase transfer to gas phase, and the heavy component (high boiling point substance) in gas phase transfer to liquid phase, thereby realizing separation, and full condenser formula rectifying tower is a kind of equipment that utilizes fractionation principle and separates and purifies under normal pressure or reduced pressure condition.The structure is usually composed of tower body, filler layer, feeding device, cooling device, condenser and the like, wherein the condenser with condensing tube is its unique feature.

[0003] The full condenser formula rectifying tower of prior art needs to overcome the resistance of tray or filler layer when gas phase flows in tower, thereby generating pressure drop, and the size of tower cavity of full condenser formula rectifying tower is mostly cylindrical cavity with uniform diameter due to the limitation of tower body, and the number of trays in tower body and the shape of tray are mostly conventional settings, which makes the pressure drop in full condenser formula rectifying tower easily increase, and the increase of pressure drop leads to the increase of pressure drop in tower, which reduces the relative volatility between components, causes the separation effect to decline, and also changes the vapor-liquid equilibrium state, thereby affecting the rectification effect, therefore, we propose a full condenser formula rectifying tower. UTILITARIAN CONTENT

[0004] The main purpose of the utility model is to provide a full condenser formula rectifying tower, which is provided with pressure-changing tower mechanism between the existing rectifying bottom tower body and upper tower body, the main tower body of pressure-changing tower mechanism is communicated and assembled between the rectifying bottom tower body and upper tower body, the ring convex tower body of main tower body expands the internal space of this section of tower body, which is beneficial to the uniform distribution and sufficient contact of gas and liquid in main tower body, and the utility model optimizes the structure design in tower by increasing the tower diameter at main tower body and increasing the number of trays and the like, thereby effectively reducing the pressure drop in tower, so that the rectification effect of full condenser formula rectifying tower is effectively improved, and the problems in the background art can be effectively solved.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0006] The application discloses a full condenser type rectifying tower which comprises a rectifying bottom tower body and an upper tower body, and further comprises a pressure changing tower mechanism, wherein the pressure changing tower mechanism comprises a main tower body, flange rings, D-shaped supporting plates, supporting ladders, working supports, half tower plates, tower plate arrangements and shaft rods; the flange rings are fixed at both ends of a tower opening of the main tower body, and the flange rings of the main tower body are respectively flange-connected between the rectifying bottom tower body and the upper tower body; the main tower body is outwardly protruded with ring protruding tower bodies at a tower body thereof, and the inner tower walls of the main tower body are symmetrically welded with the D-shaped supporting plates close to the ring protruding tower bodies; the D-shaped supporting plates are arranged with fixed grooves on surfaces thereof, and the fixed grooves of the D-shaped supporting plates are symmetrically clamped with the supporting ladders; the fixed grooves between the supporting ladders are centrally clamped with the working supports; the two groups of frame bodies of the supporting ladders are locked with the half tower plates and the tower plate arrangements through bolts; the straight edge plate bodies of the half tower plates are symmetrically fixed with U-shaped limiting seats; the tower plate arrangements between the U-shaped limiting seats are fixed with U-shaped strip blocks; the U-shaped strip blocks are penetrated with the shaft rods at block holes in the middle portions of the U-shaped strip blocks; the two ends of the shaft rods are screwed into seat cavities of the U-shaped limiting seats; and the surfaces of the half tower plates and the tower plate arrangements are penetrated with through holes.

[0007] Further, the two groups of working strip rods of the supporting ladders are arranged and welded with ladder plates, and the two ends of the working strip rods of the supporting ladders are clamped into the fixed grooves of the D-shaped supporting plates in the form of T-shaped plate bodies; the supporting ladders are clamped with the half tower plates and the tower plate arrangements in the form of the working strip rods and the ladder plates.

[0008] By adopting the above technical scheme, the two groups of working strip rods of the supporting ladders are arranged and welded with the ladder plates, so that the frame bodies with high structural strength can stably clamp and support the half tower plates and the tower plate arrangements; the supporting ladders are clamped in the fixed grooves of the D-shaped supporting plates in the form of the T-shaped plate bodies, so that the clamping is stable and convenient to disassemble, and the maintenance and replacement in the later period are facilitated.

[0009] Further, the surfaces of the ladder plates, the half tower plates and the tower plate arrangements are provided with mounting holes, and the mounting holes of the half tower plates and the tower plate arrangements are screwed with bolts between the mounting holes of the ladder plates below the respective plate bodies.

[0010] By adopting the above technical scheme, the mounting holes of the half tower plates and the tower plate arrangements can be screwed with the bolts in cooperation with the mounting holes of the ladder plates, so that the half tower plates and the tower plate arrangements are fixed at the ladder plates.

[0011] Further, the ring protruding tower bodies are provided with two groups of tower bodies at the main tower body, and the ring cavities in the ring protruding tower bodies are communicated with the tower cavities of the main tower body.

[0012] By adopting the above technical scheme, the ring protruding tower bodies are provided with two groups of tower bodies at the main tower body, so that the internal space of the main tower body is increased, the liquid and the gas in the main tower body can be more fully mixed and exchanged, the rectifying efficiency is improved, the ring cavities in the ring protruding tower bodies are communicated with the tower cavities of the main tower body, and this design is helpful to realize more uniform gas-liquid distribution and better improve the rectifying effect.

[0013] Further, a threaded seat cavity is formed at the seat body of the U-shaped limiting seat, and threaded rod bodies are screwed at both ends of the shaft rod in the threaded seat cavity of the U-shaped limiting seat.

[0014] By adopting the above technical scheme, the shaft rod can be screwed with the threaded rod bodies in the threaded seat cavity of the U-shaped limiting seat, thereby realizing stable connection of the shaft rod.

[0015] Further, a block hole for inserting the shaft rod is formed at the end face of the block body of the U-shaped block, and a T-shaped groove is formed at the rod body end face of the U-shaped block and the U-shaped limiting seat.

[0016] By adopting the above technical scheme, the shaft rod can be screwed with the threaded rod bodies in the threaded seat cavity of the U-shaped limiting seat, thereby realizing stable connection of the shaft rod.

[0017] Compared with the prior art, the present application has the following beneficial effects:

[0018] The present application sets the pressure-changing tower mechanism between the distillation bottom tower body and the upper tower body, and the annular convex tower body of the main tower body of the pressure-changing tower mechanism expands the internal space of the tower body, which is beneficial to the uniform distribution and sufficient contact of gas and liquid in the main tower body.

[0019] In addition, the present application increases the tower diameter and increases the number of tower plates in the main tower body to optimize the tower structure design, thereby effectively reducing the pressure drop in the tower and effectively improving the distillation effect of the total condenser type distillation tower. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 It is a whole structure schematic view of the total condenser type distillation tower.

[0021] Fig. 2 It is a split schematic view of the distillation bottom tower body and the upper tower body and the pressure-changing tower mechanism of the total condenser type distillation tower.

[0022] Fig. 3 It is an exploded view of the pressure-changing tower mechanism of the total condenser type distillation tower.

[0023] In the figure: 1, distillation bottom tower body; 2, upper tower body; 3, pressure-changing tower mechanism; 4, main tower body; 5, annular convex tower body; 6, flange ring; 7, D-shaped supporting plate; 8, fixed groove; 9, ladder support; 10, ladder plate; 11, working support; 12, half tower plate; 13, U-shaped limiting seat; 14, U-shaped block; 15, matching tower plate; 16, shaft rod; 17, T-shaped groove. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0025] like Figs. 1-3 As shown, a full condenser type distillation tower includes a distillation bottom tower body 1 and an upper tower body 2, and also includes a pressure tower mechanism 3, the pressure tower mechanism 3 includes a main tower body 4, a flange ring 6, a D-shaped support plate 7, a support ladder frame 9, a work support 11, a half tower plate 12, a matching tower plate 15 and a shaft 16, the tower mouth of the main tower body 4 is fixed with flange rings 6 at both ends, and the flange rings 6 of the main tower body 4 are flange-connected between the distillation bottom tower body 1 and the upper tower body 2, the tower body of the main tower body 4 is protruded outward with a ring convex tower body 5, and the main tower body 4 is symmetrically welded with a D-shaped support plate 7 near the inner tower wall of the ring convex tower body 5, and the surface of the D-shaped support plate 7 is arranged A fixed groove 8 is provided in the column, and a support ladder frame 9 is symmetrically mounted at the fixed groove 8 of the D-shaped support plate 7. A work bracket 11 is centrally mounted at the fixed groove 8 between the support ladder frames 9. The two groups of frames of the support ladder frame 9 are fastened with half tower plates 12 and matching tower plates 15 by bolts, and the straight side plates of the half tower plates 12 are symmetrically fixed with U-shaped limit seats 13. The matching tower plates 15 between the U-shaped limit seats 13 are fixed with U-shaped blocks 14, and a shaft 16 is passed through the block hole in the middle of the U-shaped block 14. Both ends of the shaft 16 are screwed into the seat cavity of the U-shaped limit seat 13. Through holes are opened on the surfaces of the half tower plates 12 and matching tower plates 15.

[0026] The ladder frame 9 has two sets of I-shaped bars with welded ladder plates 10 arranged between them, and the two ends of the I-shaped bars of the ladder frame 9 are inserted into the fixed grooves 8 of the D-shaped support plate 7 with T-shaped plates. The ladder frame 9 supports the half tray 12 and the auxiliary tray 15 with the I-shaped bars and ladder plates 10.

[0027] By adopting the above technical solution, the ladder frame 9 is connected with the two groups of I-shaped bars and welded with ladder plates 10 to form a frame with high structural strength, which can stably support the half tower plate 12 and the supporting tower plate 15. The ladder frame 9 is clamped in the fixed groove 8 of the D-shaped support plate 7 with a T-shaped plate body to achieve stability and easy disassembly and clamping, which is convenient for later maintenance and replacement.

[0028] The surfaces of the ladder plate 10, the half tower plate 12 and the supporting tower plate 15 are provided with mounting holes, and the mounting holes of the half tower plate 12 and the supporting tower plate 15 are screwed with bolts to the mounting holes of the ladder plate 10 below their respective plate bodies;

[0029] By adopting the above technical solution, the mounting holes of the half tower plate 12 and the supporting tower plate 15 can be screwed together with the mounting holes of the ladder plate 10 by bolts, thereby fixing the half tower plate 12 and the supporting tower plate 15 to the ladder plate 10.

[0030] The annular convex tower body 5 is provided with two groups of tower bodies at the main tower body 4, and the annular cavity in the annular convex tower body 5 is interconnected with the tower cavity of the main tower body 4;

[0031] By adopting the above technical solution, the annular convex tower body 5 is provided with two groups of tower bodies at the main tower body 4, which increases the internal space of the main tower body 4, so that the liquid and gas in the main tower body 4 can be more fully mixed and exchanged, thereby improving the distillation efficiency. The annular cavity in the annular convex tower body 5 is interconnected with the tower cavity of the main tower body 4. This design helps to achieve a more uniform gas-liquid distribution and better improves the distillation effect.

[0032] The U-shaped limiting seat 13 has a threaded seat cavity formed on its seat body, and the threaded rod bodies at both ends of the shaft 16 are screwed to the threaded seat cavity of the U-shaped limiting seat 13;

[0033] By adopting the above technical solution, the shaft rod 16 can be screwed into the threaded seat cavity of the U-shaped limiting seat 13 with the threaded rod body, thereby achieving a stable connection of the shaft rod 16.

[0034] The end surface of the U-shaped block 14 is provided with a block hole for inserting the shaft rod 16, and the end surface of the shaft rod 16 passing through the U-shaped block 14 and the U-shaped limit seat 13 is provided with a straight groove 17;

[0035] By adopting the above technical solution, the shaft rod 16 can be rotated after being inserted into the block hole of the U-shaped block 14, so that after the tower plate 15 and the ladder plate 10 are separated, they can be flipped at the shaft rod 16 with the help of the U-shaped block 14 to adapt to different distillation conditions, and the straight groove 17 of the shaft rod 16 facilitates the use of tools to rotate and fix the shaft rod 16, which facilitates the rotation and installation of the shaft rod 16 at the U-shaped limit seat 13.

[0036] It should be noted that the utility model is a kind of full condenser formula rectifying tower, when assembling rectifying bottom tower body 1, upper tower body 2 and pressure changing tower mechanism 3, support ladder 9 is with T-shaped plate body is inserted into the fixed groove 8 of D-shaped supporting plate 7, and the two groups of frame bodies of support ladder 9 are inserted into work support 11, then the U-shaped limit seat 13 between half tower plate 12 is inserted into the U-shaped strip block 14 of matching tower plate 15, after the shaft rod 16 is rotated and connected at U-shaped limit seat 13, so that the screwless rod body of shaft rod 16 is inserted between U-shaped strip block 14, guarantee that matching tower plate 15 can be opened according to demand, and the mounting hole of half tower plate 12 and matching tower plate 15 and the mounting hole between the ladder plate 10 below respective plate body are rotated and connected bolt and lock, at this time, the flange ring 6 of main tower body 4 is aligned with the flange mouth of rectifying bottom tower body 1 and upper tower body 2, and is fastened using bolt and nut, ensure that the connection is sealed well, ensure that main tower body 4 is correctly installed between rectifying bottom tower body 1, upper tower body 2, and check the intercommunication of ring cavity and rectifying bottom tower body 1, upper tower body 2 and main tower body 4 tower cavity, after setting pressure changing tower mechanism 3 between rectifying bottom tower body 1 and upper tower body 2, gas-liquid can pass through the through hole of matching tower plate 15 and half tower plate 12 and mix normally, and the design of ring convex tower body 5 enhances the structural strength of main tower body 4, and also facilitates the uniform distribution and full contact of gas-liquid in main tower body 4, to improve rectification efficiency.

[0037] It should be noted that the utility model is a kind of full condenser formula rectifying tower, the components in the utility model are components known to those skilled in the art, and the structure and principle thereof are known to those skilled in the art by technical manual or by conventional experimental method.

[0038] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A total condenser rectifying column comprising a rectifying lower column body (1) and an upper column body (2), characterized in that: Also include the pressure recovery tower mechanism (3), the pressure recovery tower mechanism (3) includes main tower body (4), flange ring (6), D-shaped support plate (7), support ladder (9), work support (11), half tower plate (12), tower plate (15) and shaft rod (16), the tower mouth both ends of the main tower body (4) are fixed with flange ring (6), and the flange ring (6) of the main tower body (4) is respectively flange connected between the rectifying bottom tower body (1) and the upper tower body (2), the tower body of the main tower body (4) is outwardly convex with ring convex tower body (5), and the inner tower wall of the main tower body (4) is symmetrically welded with D-shaped support plate (7) near the ring convex tower body (5), the surface of the D-shaped support plate (7) is arranged with a fixed groove (8), and the fixed groove (8) of the D-shaped support plate (7) is symmetrically clamped with support ladder (9), the fixed groove (8) between the support ladder (9) is clamped with work support (11) in the middle, the straight edge plate body of the half tower plate (12) is symmetrically fixed with U-shaped limit seat (13), the U-shaped strip block (14) is fixed between the U-shaped limit seat (13) of the tower plate (15), and the shaft rod (16) is passed through the block hole in the middle of the U-shaped strip block (14), the both ends of the shaft rod (16) are screwed in the seat cavity of the U-shaped limit seat (13), and the half tower plate (12) and the tower plate (15) are arranged with through holes.

2. A total condenser column according to claim 1, characterized in that: The two groups of work-shaped strip rods of the support ladder (9) are arranged and welded with ladder plates (10), and the ends of the work-shaped strip rods of the support ladder (9) are clamped into the fixed groove (8) of the D-shaped support plate (7) with T-shaped plate bodies, and the support ladder (9) is clamped with the half tower plate (12) and the tower plate (15) with the work-shaped strip rods and the ladder plates (10).

3. A total condenser rectifying column according to claim 2, characterized in that: The surfaces of the ladder plates (10), the half tower plates (12) and the tower plates (15) are provided with mounting holes, and the mounting holes of the half tower plates (12) and the tower plates (15) are screwed with mounting holes of the ladder plates (10) below the respective plate bodies.

4. A total condenser rectifying column according to claim 1, characterized in that: The ring convex tower body (5) is provided with two groups of tower bodies at the main tower body (4), and the ring cavity in the ring convex tower body (5) is communicated with the tower cavity of the main tower body (4).

5. A total condenser rectifying column according to claim 1, characterized in that: The seat body of the U-shaped limit seat (13) is provided with a threaded seat cavity, and the threaded rod bodies of the both ends of the shaft rod (16) are screwed in the threaded seat cavity of the U-shaped limit seat (13).

6. A total condenser rectifying column according to claim 1, characterized in that: The block hole for inserting the shaft rod (16) is arranged at the end face of the block body of the U-shaped strip block (14), and the shaft rod (16) passes through the rod body end face of the U-shaped strip block (14) and the U-shaped limit seat (13) to form a slot (17).