Structured packing for enhancing mass transfer performance
By designing a gas-liquid flow channel structure with welded single-piece structured packing and corrugated sheet, staggered stacking, and rounded transition, the problem of insufficient mass transfer performance of existing structured packing was solved, achieving more efficient gas-liquid mixing and mass transfer effects.
Patent Information
- Application Number
- CN202422979677.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-03
AI Technical Summary
Existing structured packings are lacking in mass transfer performance, especially in handling highly viscous systems where they are inefficient and create resistance to gas-liquid flow.
The design incorporates a structured packing sheet welded to a corrugated packing sheet, with an inlet at the top and an exchange hole at the bottom. It features a staggered and bent sheet structure, and the gas-liquid flow channel adopts a circular arc transition. The structured packing sheets are stacked in a staggered manner, and the corrugated sheet has an inclination angle of 15°-75°. The exchange hole penetrates the gas-liquid flow channel.
It improves the gas-liquid contact, reduces gas flow pressure loss and flow resistance, and enhances mass transfer performance.
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Figure CN223517541U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a filler technical field especially relates to a regular packing of enhancing mass transfer performance. BACKGROUND
[0002] According to the patent number CN207169746U discloses a kind of regular packing for filler tower, by the corrugated shape of packing wave of regular packing surface is changed from oblique straight line to S type line, utilize the capillary wetting effect of packing surface structure to improve the liquid holdup of transition zone in packing disc initial distribution stage, strengthen the contact time of vapor-liquid two-phase in transition zone, improve the continuity, coverage, uniformity of liquid film on packing surface, for packing main mass transfer zone, by liquid film surge and update rate, strengthen the self-distribution performance of each packing disc, regulate the vapor-liquid flow channel on the upper and lower surfaces of different packing disc, realize liquid phase quasi-continuous flow between packing disc, compared with existing conventional regular packing on market, under the same conditions of material handling capacity and product separation requirement, a kind of regular packing for filler tower shows higher separation capacity, lower pressure drop, further reduce device investment and operating cost.
[0003] The above-mentioned comparative document and prior art have the following technical problems: the existing regular packing in the filler tower lacks certain capacity in mass transfer performance, and in a viscous material system, the mass transfer performance is reduced, and the gas-liquid flow generates resistance, which affects the mass transfer efficiency. UTILITY MODEL CONTENT
[0004] The utility model aims at solving the shortcomings in the prior art and provides a regular packing for enhancing mass transfer performance.
[0005] To achieve the above object, the utility model adopts the following technical scheme: a regular packing for enhancing mass transfer performance, comprising a filler element, characterized in that: the outer side of the filler element is provided with a regular packing single piece, the bottom of the regular packing single piece is provided with a filler corrugated sheet, the top of the filler element is provided with an inlet, the bottom of the filler element is provided with an exchange hole, and the bottom of the exchange hole is provided with an outlet.
[0006] Preferably, the regular packing single piece and the filler corrugated sheet are welded, and both sides of the filler corrugated sheet are provided with corrugations.
[0007] Preferably, the outer side of the inlet is provided with a staggered sheet, the outer side of the staggered sheet is provided with a bent sheet, and the bottom end of the inlet is provided with a gas-liquid flow channel.
[0008] Preferably, the height of the staggered sheet and the height of the bent sheet are consistent with the height of the gas-liquid flow channel, and the bottom of the gas-liquid flow channel is connected with the inlet.
[0009] Preferably, the bottom of the filler element is provided with an exchange plate, the inner ring of the exchange plate is consistent with the caliber of the gas-liquid flow channel, the outer side of the exchange plate is provided with exchange holes, and the exchange holes penetrate into the gas-liquid flow channel.
[0010] Preferably, the inclination angle of the corrugation on the filler corrugated sheet is 15°-75°, the connection angle between the gas-liquid flow channel and the filler corrugated sheet is transitioned by a circular arc, and the radius of the circular arc is 1-10mm.
[0011] Preferably, the regular filler single sheets are stacked in parallel from top to bottom in the filler tower, and the adjacent regular filler single sheets are distributed in a staggered manner, and the staggered angle is 60°-90°.
[0012] Advantages
[0013] In the utility model, the filler corrugated sheet is adopted, the corrugated structure is used for improving the characteristics of airflow flow, the pressure loss of airflow can be reduced, the mass transfer performance is provided as a whole, and the circular arc transition is directly used between the gas-liquid flow channel, the airflow flow is smoother, and the flow resistance is reduced.
[0014] In the utility model, the staggered distribution of the staggered sheet and the regular filler single sheet is adopted, the staggered stacking increases the mixing of the fluid in the filler tower, the gas-liquid contact is more sufficient, and the mass transfer performance is improved.
[0015] In the utility model, the exchange hole is adopted, the exchange hole makes the gas-liquid better mix and exchange in the filler, and the mass transfer effect is enhanced. DRAWINGS
[0016] Figure 1 It is the isometric view of the utility model;
[0017] Figure 2 It is the front view of the utility model;
[0018] Figure 3 It is the top view of the utility model;
[0019] Figure 4 It is the partial sectional view of the utility model.
[0020] Legend:
[0021] 1, filler element; 2, regular filler single sheet; 3, filler corrugated sheet; 301, corrugation; 4, inlet; 401, staggered sheet; 402, bent sheet; 403, gas-liquid flow channel; 5, exchange hole; 6, outlet. DETAILED DESCRIPTION
[0022] In order to make the technical means, creation characteristics, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments and drawings, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the embodiments, other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0023] The specific embodiments of the utility model are described below in combination with the drawings. Embodiment one:
[0025] Referring to Figures 1-4The utility model provides a kind of structured packing of enhanced mass transfer performance, including packing element exchange board 1 exchange board, it is characterized by: the outside of packing element exchange board 1 exchange board is equipped with structured packing single piece exchange board 2 exchange board, structured packing single piece exchange board 2 exchange board is sequentially parallel stacked from top to bottom in packing tower, and the adjacent structured packing single piece exchange board 2 exchange board is distributed with staggered, staggered angle is 60 °-90 °, the bottom of structured packing single piece exchange board 2 exchange board is equipped with packing corrugated sheet exchange board 3 exchange board, structured packing single piece exchange board 2 exchange board and packing corrugated sheet exchange board 3 exchange board between welding connection, the both sides of packing corrugated sheet exchange board 3 exchange board are equipped with corrugated exchange board 301 exchange board, the top of packing element exchange board 1 exchange board is equipped with access exchange board 4 exchange board, the outside of access exchange board 4 exchange board is equipped with staggered sheet exchange board 401 exchange board, the outside of staggered sheet exchange board 401 exchange board is equipped with bending sheet exchange board 402 exchange board, the bottom end of access exchange board 4 exchange board is equipped with gas-liquid flow channel exchange board 403 exchange board, by staggered sheet 401 and the staggered distribution of structured packing single piece 2, this staggered stacking increases the mixing of fluid in packing tower, so that gas-liquid contact is more sufficient, improves mass transfer performance, the bottom of packing element exchange board 1 exchange board is equipped with exchange hole exchange board 5 exchange board, the bottom of packing element exchange board 1 exchange board is equipped with exchange board, the caliber of the inner ring of exchange board and gas-liquid flow channel exchange board 403 exchange board is identical, the outside of exchange board is equipped with exchange hole exchange board 5 exchange board, exchange hole exchange board 5 exchange board is penetrated to gas-liquid flow channel exchange board 403 exchange board, the bottom of exchange hole exchange board 5 exchange board is equipped with outlet exchange board 6 exchange board, the height of staggered sheet exchange board 401 exchange board and the height of bending sheet exchange board 402 exchange board are identical with the height of gas-liquid flow channel exchange board 403 exchange board, the inclination angle of corrugation 301 on packing corrugated sheet exchange board 3 is 15 °-75 °, the junction angle between gas-liquid flow channel exchange board 403 exchange board and packing corrugated sheet exchange board 3 uses circular arc to be over, and the radius of circular arc is 1-10mm, the characteristics of airflow flow is improved by the corrugation 301 structure of packing corrugated sheet 3, can reduce the pressure loss of airflow, so that mass transfer performance is provided as a whole, and with gas-liquid flow channel 403 directly using circular arc transition, so that gas-liquid flow is more smooth, reduces the resistance of flow, the bottom of gas-liquid flow channel exchange board 403 exchange board is connected with outlet exchange board 6 exchange board, uses exchange hole 5, exchange hole 5 makes gas-liquid better mixing and exchange in packing, enhances mass transfer effect. Specific embodiment two:
[0027] Refer to Figure 1 , on its exchange hole 5, the size, shape and distribution of exchange hole 5 are reasonably designed, so that the flow and mass transfer process of enterprise can be further optimized.
[0028] Summarized above:
[0029] 1. The use of filler corrugated sheet 3 realizes the improvement of airflow flow characteristics by the corrugated structure 301, which can reduce the pressure loss of airflow, and the circular arc transition with the gas-liquid flow channel 403 makes the gas-liquid flow more smooth;
[0030] 2. The staggered distribution of staggered sheet 401 and regular filler single sheet 2 realizes the increase of the mixing of the fluid in the filler tower, so that the gas-liquid contact is more sufficient;
[0031] 3. The use of exchange hole 5 realizes the better mixing and exchange of gas and liquid in the filler,
[0032] Enhances the mass transfer effect.
[0033] In the utility model, unless another definite provision and limitation, first feature is in second feature "on" or "under" can include first and second feature direct contact, also can include first and second feature is not direct contact but is through the contact between other features between them. Moreover, first feature is in second feature "on", "above" and "upper" include first feature is in second feature directly above and oblique above, or only indicate first feature horizontal height is higher than second feature. First feature is in second feature "under", "below" and "under" include first feature is in second feature directly below and oblique below, or only indicate first feature horizontal height is less than second feature.
[0034] The above shows and describes the basic principle, main features and advantages of the utility model. The skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only preferred examples of the utility model, and are not used to limit the utility model, under the premise that the utility model is not deviated from the spirit and scope, the utility model will have various changes and improvements, these changes and improvements all fall into the range of the utility model claimed to be protected. The utility model protection scope is defined by the attached claims and its equivalents.
Claims
1. A structured packing with enhanced mass transfer performance comprising packing elements (1), characterized in that: The outer side of the filler element (1) is provided with a regular filler single piece (2), the bottom of the regular filler single piece (2) is provided with a filler corrugated sheet (3), the top of the filler element (1) is provided with an inlet (4), the bottom of the filler element (1) is provided with an exchange hole (5), the bottom of the exchange hole (5) is provided with an outlet (6), the outer side of the inlet (4) is provided with a staggered sheet (401), the outer side of the staggered sheet (401) is provided with a bending sheet (402), the bottom end of the inlet (4) is provided with a gas-liquid flow channel (403), the bottom of the filler element (1) is provided with an exchange plate, the outer side of the exchange plate is provided with an exchange hole (5), the exchange hole (5) penetrates to the gas-liquid flow channel (403).
2. The structured packing of claim 1, wherein: The regular filler single piece (2) and the filler corrugated sheet (3) are welded.
3. The structured packing of claim 1, wherein: Both sides of the filler corrugated sheet (3) are provided with corrugations (301).
4. The structured packing of claim 1, wherein: The height of the staggered sheet (401) and the height of the bending sheet (402) are consistent with the height of the gas-liquid flow channel (403), and the bottom of the gas-liquid flow channel (403) is connected with the outlet (6).
5. The structured packing of claim 1, wherein: The inner ring of the exchange plate is consistent with the caliber of the gas-liquid flow channel (403).
6. The structured packing of claim 2, wherein: The inclination angle of the corrugation (301) on the filler corrugated sheet (3) is 15°-75°, the connection angle between the gas-liquid flow channel (403) and the filler corrugated sheet (3) is gradually changed by a circular arc, and the radius of the circular arc is 1-10mm.
7. The structured packing of claim 1, wherein: The regular filler single pieces (2) are stacked in parallel from top to bottom in the filler tower, and the adjacent regular filler single pieces (2) are distributed in a staggered manner, and the staggered angle is 60°-90°.
Citation Information
Patent Citations
A regular packing for filled tower
CN207169746U