Gas distribution structure of molecular sieve fixed bed
By optimizing the gas distribution structure of the molecular sieve fixed bed and simplifying the molecular sieve loading and unloading process, the problems of decreased adsorption capacity and cumbersome replacement caused by gas impact were solved, achieving efficient adsorption and simplified maintenance of the molecular sieve.
Patent Information
- Application Number
- CN202520067811.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-01-13
AI Technical Summary
Existing molecular sieve fixed beds suffer from reduced adsorption capacity and wear due to direct gas impact during adsorption, and the replacement process is cumbersome, increasing maintenance time and costs.
A molecular sieve fixed-bed gas distribution structure was designed, including components such as a U-shaped frame, a pull-out frame, a filter screen, a disc, and an outlet pipe. This structure optimizes gas distribution, reduces direct impact, and simplifies the loading and unloading process of the molecular sieve through the pull-out frame.
It significantly extends the service life of molecular sieves, improves adsorption efficiency, simplifies the replacement process, and reduces maintenance costs.
Smart Images
Figure CN223683282U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to waste gas treatment technical field especially relates to a molecular sieve fixed bed gas distribution structure. BACKGROUND
[0002] Molecular sieve fixed bed as a kind of efficient adsorbent, plays a key role in waste gas treatment, can effectively capture and separate harmful gas components, provides strong technical support for realizing clean production and environmental protection.
[0003] The gas in pipeline usually directly impacts molecular sieve when the existing molecular sieve fixed bed is adsorbed, and this direct collision not only causes the adsorption capacity of molecular sieve to gradually decline, but also accelerates its wear. In addition, the replacement process of molecular sieve fixed bed is more cumbersome, which increases maintenance time and cost. UTILITARIAN CONTENT
[0004] The utility model aims at solving the shortcomings in prior art, and provides a molecular sieve fixed bed gas distribution structure.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A molecular sieve fixed bed gas distribution structure, including frame, the side of frame is equipped with notch, the inner wall of frame is fixedly connected with U-shaped frame, the U-shaped frame is equipped with adsorption mechanism, the lower portion of U-shaped frame is equipped with filter screen, the filter screen is fixedly connected on the inner side wall of frame, the inner bottom of frame is equipped with disc, the disc is equipped with cavity, the upper end of disc is provided with a plurality of gas distribution mechanisms.
[0007] As a further improvement of the utility model, the adsorption mechanism includes a suction frame arranged inside the U-shaped frame, the two ends of the suction frame are fixedly connected with protrusions, sliding grooves are formed on the inner side walls of the U-shaped frame, the two protrusions on the suction frame are slidingly inserted into the two sliding grooves, the suction frame is equipped with molecular sieve, and the side of the suction frame close to the notch is fixedly connected with a suction plate.
[0008] As a further improvement of the utility model, the gas distribution mechanism includes a plurality of gas outlet pipes arranged above the disc, the plurality of gas outlet pipes penetrate through the disc and communicate with the cavity, the upper end of the disc is fixedly connected with two fixed columns, the upper end of the two fixed columns is fixedly connected with the same wind block, and the wind block is located above the plurality of gas outlet pipes.
[0009] As a further improvement of the utility model, the upper portion of the frame is fixedly connected with a gas outlet communicating with the inside thereof.
[0010] As a further improvement of the present application, the lower end of the frame body is supported by a plurality of support columns.
[0011] As a further improvement of the present application, the lower end of the frame body is supported by a plurality of support columns.
[0012] The present application has the following beneficial effects:
[0013] By introducing the wind block and a plurality of gas outlets, the gas distribution structure is optimized, the direct impact of gas on the molecular sieve is significantly reduced, the physical structure of the molecular sieve is protected, and the service life is prolonged. In addition, uniform gas distribution enables the molecular sieve to more efficiently adsorb harmful substances, improving overall adsorption performance and ensuring long-term stable exhaust gas treatment effect.
[0014] By setting the pulling frame, the pulling plate and the sliding groove, the operator can easily pull out or push in the pulling frame through the slot. In addition, the setting of the pulling plate further simplifies the operation and ensures that the molecular sieve can be quickly loaded and unloaded.
[0015] The present application optimizes the gas distribution structure to reduce the direct impact of the molecular sieve and improve the adsorption efficiency, while simplifying the molecular sieve replacement process, significantly prolonging the service life and reducing the maintenance cost. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 A structure diagram of a molecular sieve fixed bed gas distribution structure is provided for the present application;
[0017] Figure 2 A structure diagram of a molecular sieve fixed bed gas distribution structure is provided for the present application;
[0018] Figure 3 A structure diagram of a molecular sieve fixed bed gas distribution structure is provided for the present application;
[0019] Figure 4 A structure diagram of a molecular sieve fixed bed gas distribution structure is provided for the present application;
[0020] In the figure: 1 frame body, 2 support column, 3 slot, 4 gas outlet, 5 air inlet pipe, 6 pulling plate, 7 U-shaped frame, 8 sliding groove, 9 filter screen, 10 disc, 11 gas outlet pipe, 12 fixed column, 13 wind block, 14 chamber, 15 pulling frame. DETAILED DESCRIPTION
[0021] Clearly, the described embodiments only constitute some of the embodiments of the present application, rather than all the embodiments.
[0022] Figures 1-4 The molecular sieve fixed bed gas distribution structure comprises a frame body 1, the lower end of the frame body 1 is supported by a plurality of support columns 2, the support columns 2 provide mechanical support and ensure the stability of the frame body 1 during operation, the upper side of the frame body 1 is fixedly connected with a gas outlet 4 in communication with the inside of the frame body 1, ensuring that the processed gas can be smoothly discharged, a slot 3 is formed in one side of the frame body 1, a U-shaped frame 7 is fixedly connected to the inner wall of the frame body 1, an adsorption mechanism is arranged in the U-shaped frame 7, the adsorption mechanism comprises a pull-out frame 15 arranged in the U-shaped frame 7, the two ends of the pull-out frame 15 are fixedly connected with protrusions, sliding grooves 8 are formed in the inner side walls of the U-shaped frame 7, the two protrusions on the pull-out frame 15 are slidingly inserted into the two sliding grooves 8, this design allows the pull-out frame 15 to move stably along the sliding grooves 8, facilitating the loading and unloading of the molecular sieve, the pull-out frame 15 is fixedly connected with a pull-out plate 6 on the side close to the slot 3, and the pull-out plate 6 is pulled out or pushed into the pull-out frame 15 through the slot 3, thereby simplifying the replacement process of the molecular sieve.
[0023] A filter screen 9 is arranged below the U-shaped frame 7 and fixedly connected to the inner side wall of the frame body 1, the filter screen 9 has the effect of pre-intercepting large-particle impurities, protecting the molecular sieve from being contaminated, prolonging the service life of the molecular sieve and maintaining the high adsorption performance of the molecular sieve, a disc 10 is arranged at the inner bottom of the frame body 1, a cavity 14 is formed in the disc 10 and used for uniformly distributing the entering gas, an air inlet pipe 5 is fixedly connected to the lower side of the frame body 1, the upper end of the air inlet pipe 5 penetrates through the frame body 1 and communicates with the cavity 14 in the disc 10, ensuring that the gas can enter the cavity 14 of the disc 10 uniformly, a plurality of gas distribution mechanisms are arranged on the upper end of the disc 10 in a circumferential direction, the gas distribution mechanisms comprise a plurality of air outlet pipes 11 arranged above the disc 10, the plurality of air outlet pipes 11 penetrate through the disc 10 and communicate with the cavity 14, ensuring that the gas is uniformly dispersed from the cavity 14 to each part of the frame body 1, improving the uniformity and efficiency of the contact between the molecular sieve and the gas, the upper end of the disc 10 is fixedly connected with two fixing columns 12, the upper ends of the two fixing columns 12 are fixedly connected with the same wind deflector 13, and the wind deflector 13 is located above the plurality of air outlet pipes 11, the wind deflector 13 has the effect of guiding the flow direction of the gas and reducing the possibility of the gas directly impacting the molecular sieve, thereby protecting the adsorption material and optimizing the distribution of the gas in the entire fixed bed.
[0024] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. A molecular sieve fixed bed gas distribution structure comprising a frame (1), characterized in that, The frame (1) is provided with a notch (3) on one side, and a U-shaped frame (7) is fixedly connected to the inner wall of the frame (1), wherein the U-shaped frame (7) is provided with an adsorption mechanism, a filter screen (9) is arranged below the U-shaped frame (7), the filter screen (9) is fixedly connected to the inner side wall of the frame (1), a disc (10) is arranged at the inner bottom of the frame (1), a cavity (14) is arranged in the disc (10), and a plurality of air distribution mechanisms are arranged at the upper end of the disc (10) in a circumferential direction.
2. A molecular sieve fixed bed gas distribution structure according to claim 1, wherein, The adsorption mechanism comprises a pulling frame (15) arranged in the U-shaped frame (7), the two ends of the pulling frame (15) are fixedly connected with protrusions, sliding grooves (8) are arranged on the inner side walls of the U-shaped frame (7), the two protrusions on the pulling frame (15) are slidingly inserted into the two sliding grooves (8), and the pulling frame (15) is provided with molecular sieve.
3. The molecular sieve fixed bed gas distribution structure of claim 1 wherein, The air distribution mechanism comprises a plurality of air outlet pipes (11) arranged above the disc (10), the plurality of air outlet pipes (11) penetrate through the disc (10) and communicate with the cavity (14), two fixed columns (12) are fixedly connected to the upper end of the disc (10), the upper ends of the two fixed columns (12) are fixedly connected with the same wind block (13), and the wind block (13) is located above the plurality of air outlet pipes (11).
4. The molecular sieve fixed bed gas distribution structure of claim 1 wherein, The frame (1) is provided with an air outlet (4) fixedly connected thereto and communicating with the inside thereof.
5. The molecular sieve fixed bed gas distribution structure of claim 1 wherein, The frame (1) is provided with an air inlet pipe (5) fixedly connected thereto, the upper end of the air inlet pipe (5) penetrates through the frame (1) and communicates with the cavity (14) in the disc (10).
6. The molecular sieve fixed bed gas distribution structure of claim 1 wherein, The lower end of the frame (1) is supported by a plurality of supporting columns (2).