Fixed bed catalytic reaction device with dynamic adsorption function

Abstract

The utility model discloses a fixed bed catalytic reaction device with a dynamic adsorption function, which comprises a fixed bed reaction tank, the top end of the fixed bed reaction tank is connected with a top plate, second electric telescopic rods are uniformly fixed on two sides of the fixed bed reaction tank, and the top ends of the second electric telescopic rods are connected with the bottom end of the top plate. According to the utility model, through the pulling plate and the limiting rod, the limitation on the connection of the mounting frame and the mounting screen frame is canceled, so that the mounting screen frame and the mounting frame can be conveniently separated, and a worker can conveniently recover and supplement the residual solid adsorption layer catalyst in the mounting screen frame; left-right movement of a mounting frame and a mounting screen frame in the horizontal direction is achieved through an eccentric wheel and a first spring, overall up-down movement is achieved through a first electric telescopic rod, stirring blades are matched, the flow speed of liquid raw materials is increased, and the overall catalysis efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fixed catalysis, in particular to a fixed bed catalytic reaction device with a dynamic adsorption function. Background Art

[0002] A fixed bed catalytic reactor is a reactor that is filled with fixed catalyst fillers to form a stacked bed of a certain thickness. When gas or liquid passes through the stacked bed, a heterogeneous reaction is achieved. Raspberry ketone is an organic compound that is a white needle-shaped crystal or granular solid with a raspberry aroma and a sweet fruity taste. It is used to prepare food flavors and has the effect of enhancing flavor and sweetness. It can also be used in cosmetics and soap flavors. The traditional raspberry ketone synthesis route uses sulfuric acid as a catalyst, and a large amount of sodium hydroxide solution is required to neutralize the sulfuric acid in the reaction system. A kettle reactor is used for the reaction.

[0003] Chinese patent authorization announcement number CN219355850U discloses a fixed bed catalytic reaction device, including a fixed bed reaction tank, an end cover is arranged on the top of the fixed bed reaction tank, a first extension plate is arranged on the upper end of the outer wall of the fixed bed reaction tank, a first threaded hole is arranged on the first extension plate, a second extension plate is arranged on the side wall of the end cover, a bolt is arranged in the first threaded hole, a bolt is arranged in the second threaded hole, a nut is arranged on the bolt, a filter plate is arranged inside the fixed bed reaction tank, and a low-temperature honeycomb catalyst is arranged near the top of the filter plate inside the fixed bed reaction tank. The utility model is through the fixed bed reaction tank, the end cover, the first extension plate, the second extension plate, the bolt, the nut, the filter plate, the low-temperature honeycomb catalyst, the bottom plate, the fixed Ring, activated carbon balls, top plate, motor, rotating shaft, and stirring rod can improve the denitrification effect of activated carbon; it is convenient to replace the activated carbon balls inside the fixed bed reactor; the above-mentioned prior art scheme has the following shortcomings: when the fixed bed catalytic reaction device replaces the activated carbon balls, the top plate is pulled upward by the handle, and the top plate drives the fixed ring, activated carbon balls, bottom plate, and low-temperature honeycomb catalyst to move upward until they are taken out from the fixed bed reactor for replacement, but in actual operation, the movement of the bottom plate will contact the stirring rod, thereby affecting the process of replacing the activated carbon balls, and certain improvements are needed. Therefore, it is necessary to design a fixed bed catalytic reaction device with dynamic adsorption function to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a fixed bed catalytic reaction device with a dynamic adsorption function, so as to solve the problem that the catalyst is inconvenient to replace in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fixed bed catalytic reaction device with dynamic adsorption function, comprising a fixed bed reaction tank, the top of the fixed bed reaction tank is connected to a top plate, second electric telescopic rods are evenly fixed on both sides of the fixed bed reaction tank, and the tops of the second electric telescopic rods are connected to the bottom ends of the top plates, a first electric telescopic rod is fixed inside the top plate, and the first electric telescopic rod runs through the inside of the top plate, the bottom end of the first electric telescopic rod is connected to a mounting plate, and the bottom end of the mounting plate is slidably connected to a mounting frame, the inside of the mounting frame is connected to a mounting net frame, and the outside of the mounting net frame is evenly connected to connecting blocks, the inside of the mounting frame is evenly provided with connecting grooves, and the connecting grooves The movable blocks are all slidably connected with the connecting blocks, the bottom end of the installation net frame is evenly fixed with movable blocks, and the inside of the movable blocks are evenly provided with limiting grooves, the inside of the installation frame is evenly provided with movable grooves, and the movable grooves are all connected with the movable blocks, the inside of the installation frame is evenly connected with limiting rods, and the outside of the limiting rods is connected with second springs, one side of the limiting rods is connected with a pulling plate, the inside of the installation net frame is filled with solid adsorption layer catalyst, the bottom end of the installation plate is fixed with a fixed plate, and the inside of the fixed plate is evenly sleeved with movable rods, one side of the movable rod is connected with a pushing plate, and the outside of the movable rod on one side of the pushing plate is sleeved with a first spring, the bottom end of the installation plate is connected with a motor, and the bottom end of the motor is connected with an eccentric wheel.

[0006] When using a fixed bed catalytic reaction device with a dynamic adsorption function of the present technical solution, the top plate can be lifted up as a whole by the second electric telescopic rod, and the pull plate and the limit rod can be used to separate the limit rod from the limit groove, thereby eliminating the limit on the connection between the installation frame and the installation mesh frame, making it convenient to separate the installation mesh frame from the installation frame, and making it convenient for the staff to recover the remaining solid adsorption layer catalyst inside the installation mesh frame and replenish the solid adsorption layer catalyst.

[0007] Preferably, the interior of the fixed bed reaction tank is connected to a rotating shaft for uniform rotation, and stirring blades are uniformly fixed to the outside of the rotating shaft.

[0008] Preferably, the rotating shaft and the stirring blades are each provided in four groups, and each group of the stirring blades is provided with six.

[0009] Preferably, guide blocks are evenly connected to both sides of the mounting plate, guide grooves are evenly opened inside the fixed bed reaction tank, and the guide grooves are slidably connected to the guide blocks.

[0010] Preferably, grooves are evenly arranged inside the moving blocks, and balls are rollingly connected inside the grooves. The cross-sectional size of the grooves is equal to the cross-sectional size of the moving blocks. The moving blocks and moving grooves are symmetrically arranged about the central axis of the installation screen frame, and the thickness of the moving blocks is smaller than the depth of the moving grooves.

[0011] Preferably, the side of the limiting rod away from the pulling plate is arranged in an inclined shape, and the second spring is always in a compressed state.

[0012] Preferably, sliders are evenly fixed to the top of the installation frame, and sliding grooves are evenly opened inside the installation plate, and the sliding grooves are slidably connected to the sliders.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the fixed bed catalytic reaction device with dynamic adsorption function realizes the effect of easy replacement of the solid adsorption layer catalyst;

[0014] The top plate can be lifted up as a whole by the second electric telescopic rod, and the pull plate and the limit rod can be used to separate the limit rod from the limit groove, thereby canceling the limit of the connection between the installation frame and the installation net frame, making it convenient to separate the installation net frame from the installation frame, and facilitating the staff to recover the solid adsorption layer catalyst remaining inside the installation net frame and replenish the solid adsorption layer catalyst, so as to achieve the effect of rapid connection and separation of the installation net frame and the installation frame, making the overall operation simpler and more convenient, effectively improving work efficiency and enhancing practicality;

[0015] The eccentric wheel and the first spring are used to realize the horizontal left and right movement of the installation frame and the installation net frame, and the first electric telescopic rod is used to realize the overall up and down movement. In combination with the stirring blades, the flow rate of the liquid raw material is increased, thereby accelerating the overall catalytic efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0018] Figure 2 It is a schematic diagram of a partial front view cross-sectional structure of the installation screen frame of the utility model;

[0019] Figure 3 It is a schematic diagram of the side cross-sectional structure of the fixed bed reaction tank of the utility model;

[0020] Figure 4 It is a three-dimensional structural schematic diagram of the mounting plate of the utility model;

[0021] Figure 5 It is a schematic diagram of the three-dimensional structure of the limiting rod of the utility model.

[0022] Explanation of the reference numerals in the figure: 1. first electric telescopic rod; 2. top plate; 3. mounting plate; 4. fixed plate; 5. moving rod; 6. first spring; 7. push plate; 8. stirring blade; 9. rotating shaft; 10. mounting frame; 11. mounting mesh frame; 12. solid adsorption layer catalyst; 13. second electric telescopic rod; 14. motor; 15. guide groove; 16. guide block; 17. connecting block; 18. connecting groove; 19. moving block; 20. moving groove; 21. groove; 22. ball; 23. limit groove; 24. limit rod; 25. second spring; 26. pull plate; 27. eccentric wheel; 28. fixed bed reactor. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 5 , the utility model provides an embodiment: a fixed bed catalytic reaction device with dynamic adsorption function, comprising a fixed bed reaction tank 28;

[0025] The interior of the fixed bed reaction tank 28 is evenly connected to a rotating shaft 9, and stirring blades 8 are evenly fixed to the outside of the rotating shaft 9; the rotating shaft 9 and the stirring blades 8 are provided in four groups, and each group of stirring blades 8 is provided with six;

[0026] Specifically, Figure 1 and Figure 3 As shown, when in use, the stirring blade 8 drives the rotating shaft 9 to rotate when the mounting plate 3 descends, so that the stirring blade 8 rolls the internal liquid raw material, so that the liquid raw material is in a flowing state;

[0027] The top of the fixed bed reaction tank 28 is connected to the top plate 2, and the second electric telescopic rods 13 are evenly fixed on both sides of the fixed bed reaction tank 28, and the top ends of the second electric telescopic rods 13 are connected to the bottom end of the top plate 2. The inside of the top plate 2 is fixed with the first electric telescopic rod 1, and the first electric telescopic rod 1 runs through the inside of the top plate 2, and the bottom end of the first electric telescopic rod 1 is connected to the mounting plate 3;

[0028] Guide blocks 16 are evenly connected to both sides of the mounting plate 3, and guide grooves 15 are evenly opened inside the fixed bed reaction tank 28, and the guide grooves 15 are all slidably connected to the guide blocks 16;

[0029] Specifically, Figure 1 , Figure 3 and Figure 4 As shown, when in use, the guide groove 15 and the guide block 16 improve the stability of the mounting plate 3 when it moves up and down as a whole;

[0030] The bottom end of the mounting plate 3 is slidably connected to a mounting frame 10;

[0031] Slide blocks are evenly fixed on the top of the installation frame 10, and slide grooves are evenly opened inside the installation plate 3, and the slide grooves are slidably connected to the slide blocks;

[0032] Specifically, Figure 1 and Figure 3 As shown, when in use, the installation frame 10 and the installation net frame 11 can be stably reciprocated by means of the slider and the slide groove;

[0033] The inside of the installation frame 10 is connected to the installation net frame 11, and the outside of the installation net frame 11 is evenly connected to the connection block 17, the inside of the installation frame 10 is evenly provided with a connection groove 18, and the connection groove 18 is slidably connected to the connection block 17, the bottom of the installation net frame 11 is evenly fixed with a moving block 19, and the inside of the moving block 19 is evenly provided with a limiting groove 23, and the inside of the installation frame 10 is evenly provided with a moving groove 20;

[0034] The inside of the moving block 19 is evenly provided with grooves 21, and the inside of the grooves 21 is rollingly connected with balls 22, the cross-sectional size of the grooves 21 is equal to the cross-sectional size of the moving block 19, the moving block 19 and the moving groove 20 are symmetrically arranged about the central axis of the installation screen frame 11, and the thickness of the moving block 19 is smaller than the depth of the moving groove 20;

[0035] Specifically, Figure 1 , Figure 2 and Figure 4 As shown, when in use, the contact area between the mounting frame 10 and the mounting net frame 11 is increased by moving the block 19, and the mounting net frame 11 is conveniently moved as a whole by the groove 21;

[0036] The moving grooves 20 are connected to the moving blocks 19, the interior of the mounting frame 10 is evenly connected to the limiting rods 24, the outer sides of the limiting rods 24 are connected to the second springs 25, and one side of the limiting rods 24 is connected to the pull plates 26;

[0037] The side of the limiting rod 24 away from the pulling plate 26 is arranged in an inclined shape, and the second spring 25 is always in a compressed state;

[0038] Specifically, Figure 2 and Figure 5 As shown, when in use, the limiting rod 24 and the second spring 25 can realize a fast limiting connection between the installation frame 11 and the installation frame 10;

[0039] The interior of the mounting frame 11 is filled with a solid adsorption layer catalyst 12, a fixing plate 4 is fixed to the bottom end of the mounting plate 3, and a moving rod 5 is evenly sleeved inside the fixing plate 4, one side of the moving rod 5 is connected to a pushing plate 7, and the outer side of the moving rod 5 on one side of the pushing plate 7 is sleeved with a first spring 6, the bottom end of the mounting plate 3 is connected to a motor 14, and the bottom end of the motor 14 is connected to an eccentric wheel 27.

[0040] Working principle: When the utility model is in use, when the solid adsorption layer catalyst 12 needs to be supplemented, the second electric telescopic rod 13 is started to drive the top plate 2 to rise as a whole, so that the installation net frame 11 and the installation frame 10 are moved out of the fixed bed reaction tank 28 as a whole, and the pull plate 26 is pulled to separate the limiting rod 24 from the limiting groove 23, and the installation net frame 11 is pulled to one end to separate the installation net frame 11 from the installation frame 10, so as to facilitate the supplement of the solid adsorption layer catalyst 12, and the reverse operation is performed to reconnect the installation frame 10 with the installation net frame 11;

[0041] When the catalytic reaction is carried out inside the fixed bed reactor 28, liquid is put into the fixed bed reactor 28 in proportion through the liquid inlet pipe, and the motor 14 is started to drive the eccentric wheel 27 to rotate, so that the eccentric wheel 27 knocks on one side of the mounting frame 10. At this time, the mounting frame 10 and the mounting net frame 11 move toward the side of the push plate 7. Under the elastic action of the first spring 6, the push plate 7 pushes the mounting frame 10 and the mounting net frame 11 to move toward the side of the eccentric wheel 27, so as to realize the reciprocating movement of the mounting frame 10 and the mounting net frame 11 in the horizontal direction. At the same time, the first electric telescopic rod 1 is started to realize the downward movement of the mounting plate 3 as a whole, so as to realize the reciprocating movement of the mounting frame 10 and the mounting net frame 11 in the upper and lower horizontal directions. In the process of the mounting plate 3 descending, the mounting plate 3 contacts the stirring blade 8, so that the stirring blade 8 drives the rotating shaft 9 to rotate as a whole, thereby accelerating the flow of the liquid raw material inside the fixed bed reactor 28 and accelerating the catalytic efficiency inside the fixed bed reactor 28.

[0042] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0043] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0044] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A fixed bed catalytic reaction device with dynamic adsorption function, comprising a fixed bed reaction tank (28), characterized in that: The top of the fixed bed reaction tank (28) is connected to a top plate (2); second electric telescopic rods (13) are evenly fixed on both sides of the fixed bed reaction tank (28); the tops of the second electric telescopic rods (13) are connected to the bottom of the top plate (2); the inside of the top plate (2) is fixed with a first electric telescopic rod (1), and the first electric telescopic rod (1) passes through the inside of the top plate (2); the bottom of the first electric telescopic rod (1) is connected to a mounting plate (3), and the bottom of the mounting plate (3) is slidably connected to a mounting frame (10); the inside of the mounting frame (10) is connected to a mounting net frame (11), and the outside of the mounting net frame (11) is evenly connected to a connecting block (17); the inside of the mounting frame (10) is evenly provided with connecting grooves (18), and the connecting grooves (18) are slidably connected to the connecting blocks (17); the bottom of the mounting net frame (11) is evenly fixed with a moving block (19), and the moving block The interior of the mounting frame (19) is uniformly provided with limit grooves (23), the interior of the mounting frame (10) is uniformly provided with moving grooves (20), and the moving grooves (20) are connected to the moving blocks (19), the interior of the mounting frame (10) is uniformly connected with limit rods (24), and the outer sides of the limit rods (24) are connected to second springs (25), and one side of the limit rods (24) is connected to a pull plate (26), the interior of the mounting mesh frame (11) is filled with a solid adsorption layer catalyst (12), the bottom end of the mounting plate (3) is fixed with a fixed plate (4), and the interior of the fixed plate (4) is uniformly sleeved with a moving rod (5), one side of the moving rod (5) is connected with a push plate (7), and the outer sides of the moving rods (5) on one side of the push plate (7) are sleeved with first springs (6), the bottom end of the mounting plate (3) is connected with a motor (14), and the bottom end of the motor (14) is connected with an eccentric wheel (27).

2. A fixed bed catalytic reaction device with dynamic adsorption function according to claim 1, characterized in that: The interior of the fixed bed reaction tank (28) is connected to a rotating shaft (9) for uniform rotation, and stirring blades (8) are uniformly fixed to the outside of the rotating shaft (9).

3. A fixed bed catalytic reaction device with dynamic adsorption function according to claim 2, characterized in that: The rotating shaft (9) and the stirring blades (8) are each provided in four groups, and each group of the stirring blades (8) is provided with six.

4. The fixed bed catalytic reaction device with dynamic adsorption function according to claim 1, characterized in that: Guide blocks (16) are evenly connected to both sides of the mounting plate (3), guide grooves (15) are evenly provided inside the fixed bed reaction tank (28), and the guide grooves (15) are all slidably connected to the guide blocks (16).

5. The fixed bed catalytic reaction device with dynamic adsorption function according to claim 1, characterized in that: The interior of the moving block (19) is uniformly provided with grooves (21), and the interior of the grooves (21) is rollingly connected with balls (22), the cross-sectional size of the grooves (21) is equal to the cross-sectional size of the moving block (19), the moving block (19) and the moving groove (20) are symmetrically arranged about the central axis of the mounting frame (11), and the thickness of the moving block (19) is smaller than the depth of the moving groove (20).

6. The fixed bed catalytic reaction device with dynamic adsorption function according to claim 1, characterized in that: The side of the limiting rod (24) away from the pulling plate (26) is arranged in an inclined shape, and the second spring (25) is always in a compressed state.

7. The fixed bed catalytic reaction device with dynamic adsorption function according to claim 1, characterized in that: Slide blocks are evenly fixed to the top of the installation frame (10), and slide grooves are evenly provided inside the installation plate (3), and the slide grooves are all slidably connected to the slide blocks.

Images