Multi-temperature gradient fixed bed reactor

By introducing a hinged structure and a motor-driven pull-out system in the fixed bed reactor, combined with the corrugated pipe and joint rod design, the problems of inconvenient material replacement and difficult to achieve multi-phase reaction are solved, and the reaction treatment of multi-temperature gradients is achieved and Convenience of operation.

CN222240184UActive Publication Date: 2024-12-27JIANGSU SHILIU CHEM TECH CO LTD
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Patent Information

Application Number
CN202421013825.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-11
Publication Date
2024-12-27
Estimated Expiration
2034-05-11

AI Technical Summary

Technical Problem

The existing fixed bed reactors are inconvenient in material replacement and are difficult to achieve multiphase reactions and multi-temperature gradient treatment.

Method used

A multi-temperature gradient fixed bed reactor was designed. Through the articulated structure and motor-driven pull-out system, the reactor is opened and the catalyst area is freely adjusted. Combined with the design of bellows and joint rods, the materials are realized. smooth replacement and multi-temperature gradient reaction space.

Benefits of technology

It realizes the convenience of material replacement and free adjustment of catalysts, supports multi-temperature gradient reaction processing, and improves the operation convenience and efficiency of the reactor.

✦ Generated by Eureka AI based on patent content.

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Abstract

The multi-temperature gradient fixed bed reactor comprises a base and a lower tank body, the lower tank body is welded to the top end of the base, an upper tank body is movably hinged to the right side of the top of the lower tank body, a connecting plate is welded to the upper right corner of the lower tank body, and a motor is installed in front of the connecting plate; screw holes are formed in the upper portions and the lower portions of the inner walls of the two sides of the lower tank body and the upper tank body. According to the multi-temperature gradient fixed bed reactor, the inner cavity is filled with a catalyst, the lower tank body and the upper tank body are in a hinged state and can be freely turned over, after the lower tank body and the upper tank body are opened, first bolts embedded in screw holes on the two sides can be detached, then a ceramic ball layer pressed by an attaching plate is taken down, and a set of stainless steel nets are detached, so that the multi-temperature gradient fixed bed reactor is formed. When materials need to be replaced, the area for storing the catalysts in the inner cavity can be opened, then the materials are replaced, the internally stored catalysts and the ceramic balls can be freely adjusted, so that a multi-temperature-gradient processing reaction space is formed, and the problem that the materials are inconvenient to replace is solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of fixed bed reactors, in particular to a multi-temperature gradient fixed bed reactor. Background Art

[0002] A fixed bed reactor is a special reaction vessel with plates composed of ceramic balls fixed by steel mesh inside, and the internal chamber is filled with catalysts. After the injection of liquid and gas materials, multiphase reactions can be carried out through the static bed layer, and then evenly discharged for storage and reuse.

[0003] However, general fixed-bed reactors often only have a chamber reserved for a single treatment, with fewer internal layers, making it difficult to achieve multiphase reactions of materials in the same stage. In addition, individual reactors are large in size, making it difficult for workers to climb to a height to replace materials, which is very inconvenient.

[0004] Now, a new type of multi-temperature gradient fixed bed reactor is proposed to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a multi-temperature gradient fixed bed reactor to solve the problem of inconvenience in replacing materials mentioned in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-temperature gradient fixed bed reactor, comprising a base and a lower tank body, the lower tank body is welded to the top of the base, and the upper tank body is movably hinged on the right side of the top of the lower tank body, a connecting plate is welded to the upper right corner of the lower tank body, a motor is installed in front of the connecting plate, screw holes are provided above and below the inner walls of both sides of the lower tank body and the upper tank body, an inner cavity is provided inside the lower tank body and the upper tank body, and a stainless steel mesh is horizontally placed between the two sides of the inner cavity, side plates are welded on both sides of the stainless steel mesh, porcelain balls are clamped and fixed between the stainless steel mesh and the side plates, and a layer of bonding plate is provided on the outside of the porcelain balls, an engaging hole is provided inside the side plate, and a first bolt is engaged and connected in the engaging hole, an inner cavity is formed between the porcelain balls, and the inner cavity is filled with a catalyst.

[0007] Preferably, both sides of the porcelain ball are clamped between the first bolt and the stainless steel mesh, and the side plates are symmetrically fixed on both sides of the surface of the porcelain ball.

[0008] Preferably, the catalyst is located in an inner cavity formed between the stainless steel meshes, and the first bolt is embedded between the engagement hole and the screw hole from the side.

[0009] Preferably, three sets of thermocouples are installed on the right sides of the lower tank body and the upper tank body, respectively, and manholes are installed on the left sides of the lower tank body and the upper tank body, respectively.

[0010] Preferably, the top and bottom of the right side of the lower tank body and the upper tank body are respectively provided with entry and exit slots, and a connecting pipe is welded between the entry and exit slots and the bonding plate, a bellows is welded on the right side of the entry and exit slots, and a material pipe is welded on the outside of the bellows, an articulated seat is welded on the right side of the lower tank body and the upper tank body, and a clamping rod is movably connected in the articulated seat, a clamping slot is provided on the right side inside the clamping rod, and a second bolt is meshed and connected in front of the articulated seat.

[0011] Preferably, the connecting pipe is connected to the corrugated pipe through the inlet and outlet slots, and the material pipe is embedded in the slot.

[0012] Preferably, a storage groove is provided between the two sides inside the base, and a drawer plate is laterally inserted in the storage groove, an airbag is fixed at the center of the drawer plate, and a valve core is installed at the upper right of the airbag.

[0013] Preferably, the airbag can be inflated and deflated from the valve core on the right side, and the draw plate can slide left and right along the inner wall of the storage groove.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the multi-temperature gradient fixed bed reactor not only facilitates the replacement of internal materials and protects the inlet and outlet pipes, but also supports the opened tank body;

[0015] (1) By filling the inner cavity with catalyst, the lower tank body and the upper tank body are in a hinged state and can be turned over freely. After opening the two, the first bolts embedded in the screw holes on both sides can be removed, and then the ceramic ball layer pressed by the bonding plate can be removed, and then a set of stainless steel meshes can be removed, so that the area storing the catalyst in the inner cavity can be opened, and then the material can be replaced. The catalyst and ceramic balls stored in the lower tank body and the upper tank body can be freely adjusted to form a processing reaction space with multiple temperature gradients;

[0016] (2) By welding a bellows on the right side of the inlet and outlet slot, when the upper tank body is folded on the right side of the lower tank body, the clamping rod installed in the hinge seat is turned and locked with a second bolt, so that the clamping rod can be unfolded and the material pipe can be clamped with the clamping groove inside it. After the bellows contacts the inlet and outlet slot to draw and feed the material, it is folded in the clamping groove to prevent it from being squeezed;

[0017] (3) By inserting a drawer plate horizontally in the storage groove, when the motor is used to control the flipping of the lower tank body from the connecting plate, the drawer plate is taken out from the storage groove on the right side of the base in advance, and then the air bag inside the drawer plate is inflated, and then the upper tank body is supported from the bottom, so that it will not be suspended in the air for a period of time, which is conducive to maintaining the stability of the device after opening. After the end, the motor is used to reset the upper tank body. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1It is a front view cross-sectional structural schematic diagram of the utility model;

[0019] Figure 2 For the utility model Figure 1 A partial cross-section at the center is an enlarged structural diagram;

[0020] Figure 3 It is a schematic diagram of the front view structure of the bellows of the utility model.

[0021] Figure 4 This is a schematic diagram of the front view structure of the lower tank body and the upper tank body separated from each other in the utility model.

[0022] In the figure: 1. base; 2. lower tank body; 3. porcelain ball; 4. first bolt; 5. side panel; 6. stainless steel mesh; 7. manhole; 8. screw hole; 9. upper tank body; 10. catalyst; 11. inner cavity; 12. connecting pipe; 13. bellows; 14. clamping rod; 15. thermocouple; 16. connecting plate; 17. motor; 18. material pipe; 19. clamping groove; 20. drawer plate; 21. storage groove; 22. inlet and outlet notch; 23. valve core; 24. airbag; 25. meshing hole; 26. fitting plate; 27. hinge seat; 28. second bolt. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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] Example 1: Please refer to Figure 1-4 , a multi-temperature gradient fixed bed reactor, comprising a base 1 and a lower tank body 2, the lower tank body 2 is welded to the top of the base 1, and the upper tank body 9 is movably hinged on the right side of the top of the lower tank body 2, a connecting plate 16 is welded to the upper right corner of the lower tank body 2, a motor 17 is installed in front of the connecting plate 16, screw holes 8 are arranged above and below the inner walls of both sides of the lower tank body 2 and the upper tank body 9, an inner cavity 11 is arranged inside the lower tank body 2 and the upper tank body 9, and a stainless steel mesh 6 is horizontally placed between the two sides of the inner cavity 11, side plates 5 are welded on both sides of the stainless steel mesh 6, porcelain balls 3 are clamped and fixed between the stainless steel mesh 6 and the side plates 5, and a layer of bonding plate 26 is arranged on the outside of the porcelain balls 3, an engaging hole 25 is arranged inside the side plate 5, and a first bolt 4 is engaged and connected in the engaging hole 25, an inner cavity 11 is formed between the porcelain balls 3, and the inner cavity 11 is filled with a catalyst 10;

[0025] Both sides of the porcelain ball 3 are clamped between the first bolt 4 and the stainless steel mesh 6, the side plates 5 are symmetrically fixed on both sides of the surface of the porcelain ball 3, the catalyst 10 is located in the inner cavity 11 formed between the stainless steel mesh 6, the first bolt 4 is embedded between the meshing hole 25 and the screw hole 8 from the side, three sets of electric thermocouples 15 are installed on the right side of the lower tank body 2 and the upper tank body 9, and manholes 7 are installed on the left side of the lower tank body 2 and the upper tank body 9;

[0026] Specifically, Figure 1 and Figure 2 As shown, the lower tank body 2 and the upper tank body 9 are in a hinged state and can be turned over freely. After opening the two, the first bolts 4 embedded in the screw holes 8 on both sides can be removed, and then the 3 layers of ceramic balls pressed by the bonding plate 26 can be removed, and then a group of stainless steel meshes 6 can be removed, so that the area for storing the catalyst 10 in the inner cavity 11 can be opened, and then the material replacement can be implemented, and the catalyst 10 and ceramic balls 3 stored in the lower tank body 2 and the upper tank body 9 can be freely adjusted.

[0027] Embodiment 2: The top and bottom of the right side of the lower tank body 2 and the upper tank body 9 are respectively provided with an inlet and outlet slot 22, and a connecting pipe 12 is welded between the inlet and outlet slot 22 and the bonding plate 26, a bellows 13 is welded to the right side of the inlet and outlet slot 22, and a material pipe 18 is welded to the outside of the bellows 13, and an articulated seat 27 is welded to the right side of the lower tank body 2 and the upper tank body 9, and a clamping rod 14 is movably connected in the articulated seat 27, a clamping slot 19 is provided on the right side inside the clamping rod 14, and a second bolt 28 is meshed and connected in front of the articulated seat 27, the connecting pipe 12 is connected to the bellows 13 through the inlet and outlet slot 22, and the material pipe 18 is embedded in the clamping slot 19;

[0028] Specifically, Figure 1 and Figure 3 As shown, when the upper tank body 9 is folded on the right side of the lower tank body 2, the clamping rod 14 installed in the hinge seat 27 is turned and locked with the second bolt 28, so that the clamping rod 14 can be unfolded and the material pipe 18 can be clamped with the internal clamping groove 19 thereof. After the bellows 13 contacts the material from the inlet and outlet slot 22 to draw and feed the material, it is folded in the clamping groove 19.

[0029] Embodiment 3: A storage groove 21 is provided between the two sides inside the base 1, and a drawer plate 20 is inserted transversely in the storage groove 21, an air bag 24 is fixed at the center of the drawer plate 20, and a valve core 23 is installed at the upper right of the air bag 24, the air bag 24 can be inflated and deflated from the valve core 23 on the right side, and the drawer plate 20 can slide left and right along the inner wall of the storage groove 21;

[0030] Specifically, Figure 1 and Figure 4As shown, when the motor 17 is used to control the lower tank body 2 to flip from the connecting plate 16, the draw plate 20 is taken out from the storage groove 21 on the right side of the base 1 in advance, and then the inflation operation is performed from the valve core 23, so that the air bag 24 inside the draw plate 20 is inflated, and then the upper tank body 9 on the top is supported from the bottom, so that it will not be suspended for a period of time, which is conducive to maintaining the stability of the device after opening.

[0031] Working principle: When the utility model is used, the motor 17 is used to control the lower tank body 2 to flip from the connecting plate 16, and the draw plate 20 is taken out from the storage slot 21 on the right side of the base 1 in advance, and then the air bag 24 inside the draw plate 20 is inflated, and then the upper tank body 9 on the top is supported from below, so that it will not be suspended for a period of time. When the upper tank body 9 is folded on the right side of the lower tank body 2, the clamping rod 14 installed in the hinge seat 27 is turned, and then locked with the second bolt 28, the clamping rod 14 can be unfolded and the clamping slot 1 inside it can be used to close the draw plate 20. 9 is clamped to the material pipe 18. After the bellows 13 contacts and draws and feeds the material from the inlet and outlet slots 22, it is folded in the clamping slot 19 to prevent it from being squeezed. When the lower tank body 2 and the upper tank body 9 are opened, the first bolts 4 embedded in the screw holes 8 on both sides can be removed, and then the 3 layers of porcelain balls pressed by the bonding plate 26 are removed, and then a group of stainless steel meshes 6 are removed, so that the area for storing the catalyst 10 in the inner cavity 11 can be opened, and then the material replacement can be implemented. The catalyst 10 and the porcelain balls 3 stored in the lower tank body 2 and the upper tank body 9 can be freely adjusted to form a processing reaction space with multiple temperature gradients.

[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A multi-temperature gradient fixed bed reactor, comprising a base (1) and a lower tank (2), characterized in that: The top of the base (1) is welded with a lower tank body (2), and the right side of the top of the lower tank body (2) is movably hinged with an upper tank body (9), a connecting plate (16) is welded at the upper right corner of the lower tank body (2), and a motor (17) is installed in front of the connecting plate (16), screw holes (8) are arranged above and below the inner walls of both sides of the lower tank body (2) and the upper tank body (9), and an inner cavity (11) is arranged inside the lower tank body (2) and the upper tank body (9), and the inner cavity (11) is traversed between the two sides. A stainless steel mesh (6) is placed in the direction, and side plates (5) are welded on both sides of the stainless steel mesh (6). A porcelain ball (3) is clamped and fixed between the stainless steel mesh (6) and the side plates (5), and a layer of bonding plate (26) is arranged on the outside of the porcelain ball (3). An engaging hole (25) is arranged inside the side plate (5), and a first bolt (4) is engaged and connected in the engaging hole (25). An inner cavity (11) is formed between the porcelain balls (3), and the inner cavity (11) is filled with a catalyst (10).

2. A multi-temperature gradient fixed bed reactor according to claim 1, characterized in that: Both sides of the porcelain ball (3) are clamped between the first bolt (4) and the stainless steel mesh (6), and the side plates (5) are symmetrically fixed on both sides of the surface of the porcelain ball (3).

3. A multi-temperature gradient fixed bed reactor according to claim 1, characterized in that: The catalyst (10) is located in the inner cavity (11) formed between the stainless steel meshes (6), and the first bolt (4) is embedded between the engagement hole (25) and the screw hole (8) from the side.

4. A multi-temperature gradient fixed bed reactor according to claim 1, characterized in that: Three sets of thermocouples (15) are respectively installed on the right sides of the lower tank body (2) and the upper tank body (9), and manholes (7) are respectively installed on the left sides of the lower tank body (2) and the upper tank body (9).

5. The multi-temperature gradient fixed bed reactor according to claim 1, characterized in that: The top and bottom of the right side of the lower tank body (2) and the upper tank body (9) are respectively provided with an inlet and outlet slot (22), and a connecting pipe (12) is welded between the inlet and outlet slot (22) and the bonding plate (26), a bellows (13) is welded on the right side of the inlet and outlet slot (22), and a material pipe (18) is welded on the outer side of the bellows (13), and a hinge seat (27) is welded on the right side of the lower tank body (2) and the upper tank body (9), and a clamping rod (14) is movably connected in the hinge seat (27), and a clamping groove (19) is provided on the right side inside the clamping rod (14), and a second bolt (28) is meshed and connected in front of the hinge seat (27).

6. A multi-temperature gradient fixed bed reactor according to claim 5, characterized in that: The connecting pipe (12) is connected to the corrugated pipe (13) through the inlet and outlet slots (22), and the material pipe (18) is embedded in the clamping groove (19).

7. The multi-temperature gradient fixed bed reactor according to claim 1, characterized in that: A storage groove (21) is provided between two sides of the base (1), and a drawer plate (20) is inserted transversely into the storage groove (21). An air bag (24) is fixed at the center of the drawer plate (20), and a valve core (23) is installed at the upper right side of the air bag (24).

8. A multi-temperature gradient fixed bed reactor according to claim 7, characterized in that: The air bag (24) can be inflated and deflated from the right valve core (23), and the pumping plate (20) can slide left and right along the inner wall of the storage groove (21).