Heterogeneous catalytic distillation equipment
By designing a heterogeneous catalytic distillation device and utilizing a bolted-connected tray and spray pipe structure, close contact between the gas and liquid phases is achieved, solving the problem of slow reaction rates in existing reaction equipment and realizing highly efficient catalytic reaction and separation effects.
Patent Information
- Application Number
- CN202423292818.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-30
AI Technical Summary
Heterogeneous reactions are slower because the reaction process of substances in different phases is complex.
Design a heterogeneous catalytic distillation device, comprising a distillation column, trays, spray pipes, redistributor, and packing assembly, which are connected by bolts to achieve close contact between the gas and liquid phases, and utilize a catalyst to accelerate the reaction and achieve separation.
It improves reaction efficiency and product purity, and enhances the mass transfer effect between the gas and liquid phases by combining catalytic reaction and distillation separation process.
Smart Images
Figure CN223683059U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to catalytic rectification technical field, concretely is a heterogeneous catalytic rectification equipment. BACKGROUND
[0002] Heterogeneous reaction relates to the chemical reaction between different phase states of matter, and the reaction process needs to cross the phase interface, which increases the complexity of the reaction and often leads to a slow reaction rate.
[0003] Therefore, it is necessary to design a heterogeneous catalytic rectification equipment to solve the problems in the background art. UTILITY MODEL CONTENT
[0004] The utility model aims at solving the problems in the prior art and provides a heterogeneous catalytic rectification equipment.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0006] A heterogeneous catalytic rectification equipment, comprising a rectification tower, a fence, a protective frame, a tray, a redistributor, a spray pipe and a packing assembly, a plurality of fences are connected to the outside of the rectification tower, a protective frame is connected to the outside of the rectification tower near the upper part, a packing assembly is connected to the lower part inside the rectification tower, a plurality of trays are arranged in the upper part inside the rectification tower, a spray pipe is connected to the upper part near the packing assembly inside the rectification tower, and a redistributor is connected to the upper part near the spray pipe inside the rectification tower.
[0007] A steam outlet is formed in the upper end of the rectification tower, a liquid inlet is formed in one side of the upper part of the rectification tower, a gas inlet and a liquid outlet are formed in one side of the lower part of the rectification tower, and a plurality of manholes are formed in the two sides of the rectification tower.
[0008] A plurality of bubble caps are arranged in the middle of the upper end of the tray, overflow weirs are arranged on the two sides of the upper end of the tray, a liquid receiving tray is arranged on one side of the upper end of the tray, and a downcomer is arranged on the side, away from the liquid receiving tray, of the lower end of the tray.
[0009] One end of the spray pipe is provided with a liquid inlet interface.
[0010] The packing assembly is composed of packing, catalyst boxes and mounting frames, mounting frames are connected to the upper end and the lower end of the packing, and a plurality of catalyst boxes are connected in the mounting frames.
[0011] As a preferred scheme of the utility model, the tray and the rectification tower are connected through bolts.
[0012] As a preferred scheme of the utility model, the redistributor and the rectification tower are connected through bolts.
[0013] As the preferred scheme of the utility model, the mounting frame and the rectifying tower are connected through bolts.
[0014] As the preferred scheme of the utility model, the mounting frame and the catalyst box are connected through sleeve jointing and are locked through bolt limiting.
[0015] As the preferred scheme of the utility model, the lower end of the spray pipe is equipped with multiple groups of nozzles.
[0016] The non-homogeneous catalytic rectifying equipment, liquid flows to the liquid receiving disc of the lower tray through the downcomer of the upper tray disc by gravity, then flows transversely through multiple groups of bubble caps, and flows to the tray of the next layer through the downcomer on the other side, the overflow weir keeps a certain thickness of liquid layer on the tray, and gas passes through the gas passage bubble cap of each layer of tray from bottom to top under the push of pressure difference, is dispersed into small gas streams, and bubbles through the liquid layer of each layer of tray, so that the gas-liquid two phases are in close contact on the tray, heat and mass exchange are carried out, the catalyst is filled in the mounting frame in the rectifying tower, which not only plays a catalytic role in accelerating the reaction, but also plays a separation role as the filler, part of the liquid enters the filler from the top of the tower through multiple groups of trays and redistributors, and part of the liquid is directly sprayed through the spray pipe, so that the water content in the filler is further improved, the liquid flows down along the surface of the filler, the gas is sent into the catalyst box from the gas inlet at the bottom, and the gas-liquid two phases are in close contact for mass transfer, the non-homogeneous catalytic rectifying equipment combines the two processes of catalytic reaction and rectifying separation, and improves the reaction efficiency and product purity. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is the overall structural drawing of the utility model;
[0018] Figure 2 It is the sectional structure drawing of the utility model;
[0019] Figure 3 It is the tray structure drawing of the utility model;
[0020] Figure 4 It is the filler assembly structure drawing of the utility model;
[0021] Figure 5 It is the redistributor structure drawing of the utility model;
[0022] Figure 6 It is the spray pipe structure drawing of the utility model.
[0023] In the figure: 1, rectifying tower; 101, steam outlet; 102, liquid inlet; 103, gas inlet; 104, liquid outlet; 105, manhole; 2, fence; 3, guard frame; 4, tray; 401, bubble cap; 402, overflow weir; 403, liquid receiving tray; 404, downcomer; 5, redistributor; 6, spray pipe; 601, liquid inlet interface; 7, packing assembly; 701, packing; 702, catalyst box; 703, mounting frame. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.
[0025] Referring to Figures 1-6 A heterogeneous catalytic rectifying device, comprising a rectifying tower 1, a fence 2, a guard frame 3, a tray 4, a redistributor 5, a spray pipe 6 and a packing assembly 7, a plurality of fences 2 are connected to the outside of the rectifying tower 1, the guard frame 3 is connected to the outside of the rectifying tower 1 near the upper part, the packing assembly 7 is connected to the lower part inside the rectifying tower 1, a plurality of trays 4 are arranged at the upper part inside the rectifying tower 1, the spray pipe 6 is connected to the rectifying tower 1 near the upper part of the packing assembly 7, and the redistributor 5 is connected to the rectifying tower 1 near the upper part of the spray pipe 6; the rectifying tower 1 is provided with a steam outlet 101 at the upper end, a liquid inlet 102 is formed at one side of the upper part of the rectifying tower 1, a gas inlet 103 and a liquid outlet 104 are formed at one side of the lower part of the rectifying tower 1, and a plurality of manholes 105 are formed at the two sides of the rectifying tower 1; a plurality of bubble caps 401 are arranged at the middle of the upper end of the tray 4, overflow weirs 402 are arranged at the two sides of the upper end of the tray 4, a liquid receiving tray 403 is arranged at one side of the upper end of the tray 4, and a downcomer 404 is arranged at the side, away from the liquid receiving tray 403, of the lower end of the tray 4; the spray pipe 6 is provided with a liquid inlet interface 601 at one end; the packing assembly 7 is composed of packing 701, a catalyst box 702 and a mounting frame 703, and the mounting frame 703 is connected to the upper end and the lower end of the packing 701, and a plurality of catalyst boxes 702 are connected to the mounting frame 703.
[0026] Referring to Figure 1 , Figure 2 and Figure 3 The tray 4 and the rectifying tower 1 are connected through bolts, liquid flows from the downcomer 404 of the upper tray 4 to the liquid receiving tray 403 of the lower tray 4 by gravity, then flows laterally through a plurality of bubble caps 401, and then flows to the tray 4 of the next layer through the downcomer 404 on the other side, the overflow weirs 402 keep a certain thickness of liquid layer on the tray 4, and gas passes through the gas passages bubble caps 401 of each layer of tray 4 from bottom to top under the push of pressure difference, is dispersed into small gas streams, and bubbles through the liquid layer of each layer of tray 4, so that the gas-liquid two phases are in close contact on the tray, and heat and mass exchange is carried out.
[0027] Reference Figures 1-6 , heterogeneous reaction involves the chemical reaction between different phase of substances, the reaction process needs to cross the interface, increases the complexity of the reaction, and often leads to slow reaction rate, the re-distributor 5 and rectifying column 1 by bolt connection, the lower end of the spray pipe 6 is provided with a plurality of groups of nozzles, the mounting bracket 703 and rectifying column 1 are connected by bolts, the mounting bracket 703 and the catalyst box 702 are connected by sleeve connection and locked by bolts, the catalyst is filled in the mounting bracket 703 in the rectifying column, which not only plays a catalytic role in accelerating the reaction, but also plays a separation role as a filler, part of the liquid enters the filler 701 from the top of the tower through a plurality of groups of trays 4 and re-distributors 5, and part of the liquid is directly sprayed through the spray pipe 6, further improving the water content in the filler 701, the liquid flows down along the surface of the filler 701, the gas is sent into the catalyst box 702 from the gas inlet 103 at the bottom, and the gas-liquid two phases are in close contact for mass transfer, the heterogeneous catalytic rectification equipment combines the processes of catalytic reaction and rectification separation, improves the reaction efficiency and product purity.
[0028] Working principle: the trays 4 and the rectifying column 1 of the heterogeneous catalytic rectification equipment are connected by bolts, the liquid flows from the downcomer 404 of the upper tray 4 to the liquid receiving disc 403 of the lower tray 4, and then flows laterally through a plurality of bubble caps 401, and then flows from the downcomer 404 on the other side to the tray 4 of the next layer, the overflow weir 402 maintains a certain thickness of liquid layer on the tray 4, and the gas is pushed by the pressure difference to pass through the gas passages bubble caps 401 of each layer of trays 4 from bottom to top, and is dispersed into small gas streams, and the bubbles pass through the liquid layer of each layer of trays 4, and on the tray, the gas-liquid two phases are in close contact for heat and mass exchange, the re-distributor 5 and the rectifying column 1 are connected by bolts, the lower end of the spray pipe 6 is provided with a plurality of groups of nozzles, the mounting bracket 703 and the rectifying column 1 are connected by bolts, the mounting bracket 703 and the catalyst box 702 are connected by sleeve connection and locked by bolts, the catalyst is filled in the mounting bracket 703 in the rectifying column, which not only plays a catalytic role in accelerating the reaction, but also plays a separation role as a filler, part of the liquid enters the filler 701 from the top of the tower through a plurality of groups of trays 4 and re-distributors 5, and part of the liquid is directly sprayed through the spray pipe 6, further improving the water content in the filler 701, the liquid flows down along the surface of the filler 701, the gas is sent into the catalyst box 702 from the gas inlet 103 at the bottom, and the gas-liquid two phases are in close contact for mass transfer, the heterogeneous catalytic rectification equipment combines the processes of catalytic reaction and rectification separation, improves the reaction efficiency and product purity.
[0029] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A heterogeneous catalytic distillation apparatus, comprising a distillation column (1), a fence (2), a protective frame (3), a tray (4), a redistributor (5), a spray pipe (6), and a packing assembly (7), characterized in that: The distillation column (1) is connected to multiple sets of fences (2) on the outside. A protective frame (3) is connected to the upper part of the distillation column (1). A packing assembly (7) is connected to the lower part of the interior of the distillation column (1). Multiple trays (4) are provided in the upper part of the interior of the distillation column (1). A spray pipe (6) is connected to the interior of the distillation column (1) near the top of the packing assembly (7). A redistributor (5) is connected to the interior of the distillation column (1) near the top of the spray pipe (6). The distillation column (1) has a steam outlet (101) at the top, a liquid inlet (102) on one side of the upper part of the distillation column (1), an air inlet (103) and a liquid outlet (104) on one side of the lower part of the distillation column (1), and multiple sets of manholes (105) on both sides of the distillation column (1). The upper middle of the tray (4) is provided with multiple sets of bubble caps (401), the upper sides of the tray (4) are provided with overflow weirs (402), the upper side of the tray (4) is provided with a liquid receiving tray (403), and the lower side of the tray (4) away from the liquid receiving tray (403) is provided with a downcomer (404). One end of the spray pipe (6) is provided with a liquid inlet (601); The packing assembly (7) consists of packing (701), catalyst box (702) and mounting frame (703), and the upper and lower ends of the packing (701) are connected to the mounting frame (703), and multiple sets of catalyst boxes (702) are connected inside the mounting frame (703).
2. The heterogeneous catalytic distillation apparatus according to claim 1, characterized in that: The tray (4) and the distillation column (1) are connected by bolts.
3. The heterogeneous catalytic distillation apparatus according to claim 1, characterized in that: The redistributor (5) and the distillation column (1) are connected by bolts.
4. The heterogeneous catalytic distillation apparatus according to claim 1, characterized in that: The mounting bracket (703) and the distillation column (1) are connected by bolts.
5. The heterogeneous catalytic distillation apparatus according to claim 1, characterized in that: The mounting bracket (703) and the catalyst box (702) are connected by a sleeve and locked by bolts.
6. The heterogeneous catalytic distillation apparatus according to claim 1, characterized in that: The lower end of the spray pipe (6) is provided with multiple sets of nozzles.