CN219377077U - Fixed bed reactor - Google Patents
Fixed bed reactor Download PDFInfo
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- CN219377077U CN219377077U CN202320505418.2U CN202320505418U CN219377077U CN 219377077 U CN219377077 U CN 219377077U CN 202320505418 U CN202320505418 U CN 202320505418U CN 219377077 U CN219377077 U CN 219377077U
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- fixed bed
- bed reactor
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Abstract
The utility model belongs to the technical field of reactors, in particular to a fixed bed reactor, which comprises a fixed bed reactor body, wherein a fixed bed layer is arranged in the fixed bed reactor body, positioning rings are arranged at the upper end and the lower end of the fixed bed layer, a supporting plate is arranged at the bottom of the fixed bed layer, a supporting rod is arranged at the bottom of the supporting plate, an electric heating bent pipe is arranged in the fixed bed layer, and heating boxes are arranged at the two sides of the fixed bed reactor body; the raw material gas uniformly enters the fixed bed layer, so that the reaction result is not affected.
Description
Technical Field
The utility model relates to the technical field of reactors, in particular to a fixed bed reactor.
Background
The fixed bed reactor is characterized in that granular solid catalysts or solid reactants are filled in the reactor to form a stacked bed layer with a certain height, and a heterogeneous reaction process is realized while gas or liquid materials flow through a static fixed bed layer through particle gaps; the reactor is characterized in that solid particles filled in the equipment are fixed and different from a moving bed and a fluidized bed which are formed by moving solid materials in the equipment, and the reactor is also called a packed bed reactor; fixed bed reactors are widely used in gas-solid phase reactions and liquid-solid phase reaction processes, for example, fixed semi-water gas generators in the ammonia synthesis industry, fixed bed ion exchange columns in water treatment, and the like; the existing fixed bed reactor heats the outer side of the fixed bed reactor through a heating device at the outer side; the existing fixed bed reactor adopts a feeding mode of straight inlet.
The prior art has the following problems:
1. the existing fixed bed reactor only heats through the outer side, so that the fixed bed layer is heated unevenly, and the working efficiency of the fixed bed reactor is reduced;
2. the existing fixed bed reactor adopts a feeding mode of straight inlet, and the feeding mode is adopted to lead the materials entering the fixed bed layer to be uneven due to the impact of air flow inertia, so that the airspeed of the fixed bed layer is unequal, and the reaction result is influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a fixed bed reactor, which solves the problems that the existing fixed bed reactor only heats the outside, so that the fixed bed layer is unevenly heated, and the working efficiency of the fixed bed reactor is reduced; the existing fixed bed reactor adopts a feeding mode of straight inlet, and the problems that the space velocity of a fixed bed layer is unequal and the reaction result is affected due to uneven materials entering the fixed bed layer due to the impact of air flow inertia are solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fixed bed reactor, includes the fixed bed reactor body, fixed bed reactor body inside is provided with the fixed bed layer, both ends are provided with the holding ring about the fixed bed layer, fixed bed layer bottom is provided with the backup pad, the backup pad bottom is provided with the bracing piece, fixed bed layer inside is provided with the electric heat return bend, fixed bed reactor body both sides are provided with the heating cabinet, the inside fixing base that is provided with of heating cabinet, be provided with the electrothermal tube in the fixing base, fixed bed reactor body top is provided with the end cover, fixed bed reactor body lateral wall top is provided with first extension board, be provided with first screw hole on the first extension board, end cover lateral wall bottom is provided with the second extension board, be provided with the second screw hole on the second extension board, first screw hole is provided with the bolt, second screw hole is provided with the bolt, the end cover top is provided with the feeder hopper, the inside filter screen that is provided with of feeder hopper bottom, be provided with the bar hole on the feeding pipe wall, the outer wall is provided with the electrothermal tube, fixed bed reactor body bottom is provided with the discharging pipe, the fixed bed reactor bottom is provided with the inlet pipe bottom.
As a preferable technical scheme of the utility model, a fixed bed layer is fixedly connected inside the fixed bed reactor body, and positioning rings are fixedly connected at the upper end and the lower end of the fixed bed layer.
As a preferable technical scheme of the utility model, the bottom of the fixed bed layer is fixedly connected with a supporting plate, the bottom of the supporting plate is fixedly connected with supporting rods, the supporting rods are L-shaped, one end of each supporting rod is fixedly connected with the bottom of the supporting plate, the other end of each supporting rod is fixedly connected with the inner side wall of the fixed bed reactor body, and two groups of supporting rods are arranged.
As a preferable technical scheme of the utility model, an electric heating bent pipe is fixedly connected in the fixed bed layer, a plurality of groups of electric heating bent pipes are arranged, heating boxes are fixedly connected on two sides of the fixed bed reactor body, two groups of heating boxes are arranged, a fixing seat is fixedly connected in the heating boxes, four groups of fixing seats are arranged, electric heating pipes are fixedly connected in the fixing seat, and two groups of electric heating pipes are arranged.
As a preferable technical scheme of the utility model, an end cover is movably connected to the top of the fixed bed reactor body, a first extension plate is fixedly connected to the top of the outer side wall of the fixed bed reactor body, two groups of first extension plates are arranged, first threaded holes are formed in the first extension plate, two groups of first threaded holes are formed in the first extension plate, a second extension plate is fixedly connected to the bottom end of the outer side wall of the end cover, two groups of second extension plates are formed in the second extension plate, second threaded holes are formed in the second extension plate, two groups of second threaded holes are formed in the second extension plate, bolts are connected to the first threaded holes in a threaded manner, bolts are connected to the second threaded holes in a threaded manner, two groups of bolts are formed in the second threaded holes, the first threaded holes and the second threaded holes are identical in size, and the bolts are matched with the first threaded holes and the second threaded holes.
As a preferable technical scheme of the utility model, the top of the end cover is fixedly connected with a feed hopper, the inside of the feed hopper is fixedly connected with a filter screen, the bottom of the feed hopper is fixedly connected with a feed pipe, the pipe wall of the feed pipe is provided with strip-shaped holes, the upper row and the lower row of the strip-shaped holes are provided with a plurality of groups, the total area of the openings of the strip-shaped holes is not smaller than the cross section area of the pipe orifice of the feed pipe, the outer wall of the feed pipe is fixedly wrapped with a silk screen, the strip-shaped holes are positioned at the inner side of the silk screen, and the bottom of the feed pipe is of a sealing structure.
As a preferable technical scheme of the utility model, the bottom of the fixed bed reactor body is fixedly connected with a discharging pipe, and the bottom of the fixed bed reactor body is fixedly connected with a supporting column.
Compared with the prior art, the utility model provides a fixed bed reactor, which has the following beneficial effects:
1. this fixed bed reactor, through the inside fixedly connected with electric heat return bend of fixed bed layer, fixed bed reactor body both sides fixedly connected with heating cabinet, the inside fixedly connected with fixing base of heating cabinet, fixedly connected with electrothermal tube in the fixing base, in the reaction, start the electrothermal tube, the electrothermal tube heats the heating cabinet, the heating cabinet heats fixed bed reactor body outside, start the electric heat return bend simultaneously, the fixed bed layer in the fixed bed reactor body is heated to the electric heat return bend, thereby heat simultaneously through electric heat return bend and heating cabinet inside and outside, can evenly heat fixed bed reactor body, improve the inside temperature of fixed bed reactor body, improve the work efficiency of fixed bed reactor body.
2. This fixed bed reactor, through feeder hopper bottom fixedly connected with inlet pipe, offered the bar hole on the inlet pipe wall, the trompil total area in bar hole is not less than the mouth of pipe cross-sectional area of inlet pipe, and the fixed silk screen of wrapping up in of inlet pipe outer wall makes the air current of raw materials spout in the bar hole, and the dispersion through the silk screen enters into the fixed bed layer again to make the even fixed bed layer that gets into of raw materials gas, make the reaction result not receive the influence.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of an end cap structure according to the present utility model;
FIG. 3 is a schematic view of the structure of the silk screen of the present utility model;
FIG. 4 is a schematic view of an extension board structure according to the present utility model.
In the figure: 1. a fixed bed reactor body; 2. a fixed bed layer; 3. a positioning ring; 4. a support plate; 5. a support rod; 6. an electric heating bent pipe; 7. a heating box; 8. a fixing seat; 9. an electric heating tube; 10. an end cap; 11. a first extension plate; 12. a first threaded hole; 13. a second extension plate; 14. a second threaded hole; 15. a bolt; 16. a feed hopper; 17. a filter screen; 18. a feed pipe; 19. a bar-shaped hole; 20. a silk screen; 21. a discharge pipe; 22. and (5) supporting the column.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 4, in the present embodiment: the fixed bed reactor comprises a fixed bed reactor body 1, a fixed bed layer 2 is arranged in the fixed bed reactor body 1, positioning rings 3 are arranged at the upper end and the lower end of the fixed bed layer 2, the fixed bed layer 2 is fixed in the fixed bed reactor body 1 by the positioning rings 3, a supporting plate 4 is arranged at the bottom of the fixed bed layer 2, the more stable fixed bed layer 2 is fixed in the fixed bed reactor body 1 by the supporting plate 4, a supporting rod 5 is arranged at the bottom of the supporting plate 4, the supporting rod 5 supports the fixed supporting plate 4, an electrothermal tube 6 is arranged in the fixed bed layer 2, the electrothermal tube 6 heats the fixed bed layer 2 in the fixed bed reactor body 1, heating boxes 7 are arranged at the two sides of the fixed bed reactor body 1, a fixing seat 8 is arranged in the heating box 7, an electrothermal tube 9 is fixed in the heating box 7, an electric heating tube 9 is arranged in the fixed seat 8, the electric heating tube 9 heats the heating box 7, an end cover 10 is arranged at the top of the fixed bed reactor body 1, a first extension plate 11 is arranged at the top end of the outer side wall of the fixed bed reactor body 1, a first threaded hole 12 is arranged on the first extension plate 11, a second extension plate 13 is arranged at the bottom end of the outer side wall of the end cover 10, a second threaded hole 14 is arranged on the second extension plate 13, a bolt 15 is arranged in the first threaded hole 12, a bolt 15 is arranged in the second threaded hole 14, a feed hopper 16 is arranged at the top of the end cover 10, a filter screen 17 is arranged in the feed hopper 16, the filter screen 17 filters raw materials, a feed pipe 18 is arranged at the bottom of the feed hopper 16, strip-shaped holes 19 are arranged on the wall of the feed pipe 18, a silk screen 20 is arranged on the outer wall of the feed pipe 18, and the silk screen 20 disperses raw material gas into the fixed bed layer 2, the bottom of the fixed bed reactor body 1 is provided with a discharging pipe 21, and the bottom of the fixed bed reactor body 1 is provided with a supporting column 22.
In the embodiment, a fixed bed layer 2 is fixedly connected inside a fixed bed reactor body 1, positioning rings 3 are fixedly connected at the upper end and the lower end of the fixed bed layer 2, and the fixed bed layer 2 is fixed inside the fixed bed reactor body 1; the bottom of the fixed bed layer 2 is fixedly connected with a supporting plate 4, the bottom of the supporting plate 4 is fixedly connected with a supporting rod 5, one end of the supporting rod 5 is fixedly connected with the bottom of the supporting plate 4, the other end of the supporting rod 5 is fixedly connected with the inner side wall of the fixed bed reactor body 1, and the supporting rods 5 are provided with two groups, so that the more stable fixed bed layer 2 is fixed in the fixed bed reactor body 1; the fixed bed layer 2 is internally and fixedly connected with an electric heating bent pipe 6, the electric heating bent pipe 6 is provided with a plurality of groups, two sides of the fixed bed reactor body 1 are fixedly connected with heating boxes 7, the heating boxes 7 are provided with two groups, the inside of the heating boxes 7 is fixedly connected with fixing seats 8, the fixing seats 8 are provided with four groups, the fixing seats 8 are internally and fixedly connected with electric heating pipes 9, and the electric heating pipes 9 are provided with two groups to uniformly heat the fixed bed reactor body 1; the top of the fixed bed reactor body 1 is movably connected with an end cover 10, the top end of the outer side wall of the fixed bed reactor body 1 is fixedly connected with a first extension plate 11, the first extension plate 11 is provided with two groups, the first extension plate 11 is provided with a first threaded hole 12, the first threaded hole 12 is provided with two groups, the bottom end of the outer side wall of the end cover 10 is fixedly connected with a second extension plate 13, the second extension plate 13 is provided with two groups, the second extension plate 13 is provided with a second threaded hole 14, the second threaded hole 14 is provided with two groups, the first threaded hole 12 is internally and spirally connected with a bolt 15, the second threaded hole 14 is internally and spirally connected with a bolt 15, the bolt 15 is provided with two groups, the first threaded hole 12 and the second threaded hole 14 are identical in size, the bolt 15 is matched with the first threaded hole 12 and the second threaded hole 14, and the end cover 10 is conveniently taken down from the top of the fixed bed reactor body 1; the top of the end cover 10 is fixedly connected with a feed hopper 16, the inside of the feed hopper 16 is fixedly connected with a filter screen 17, the bottom of the feed hopper 16 is fixedly connected with a feed pipe 18, strip-shaped holes 19 are formed in the wall of the feed pipe 18, a plurality of groups of strip-shaped holes 19 are formed in the upper row and the lower row of the strip-shaped holes 19, the total opening area of the strip-shaped holes 19 is not smaller than the cross section area of a pipe orifice of the feed pipe 18, a wire mesh 20 is fixedly wrapped on the outer wall of the feed pipe 18, the plurality of groups of strip-shaped holes 19 are positioned on the inner side of the wire mesh 20, and the bottom of the feed pipe 18 is of a sealing structure, so that raw material gas uniformly enters the fixed bed layer 2; the bottom of the fixed bed reactor body 1 is fixedly connected with a discharge pipe 21, and the bottom of the fixed bed reactor body 1 is fixedly connected with a support column 22.
The working principle and the using flow of the utility model are as follows: the operator has offered bar hole 19 through the inlet pipe 18 wall on, bar hole 19's trompil total area is not less than inlet pipe 18's mouth of pipe cross-section, the fixed silk screen 20 of wrapping up in of inlet pipe 18 outer wall, the user adds the raw materials into fixed bed reactor body 1 through feeder hopper 16, the raw materials filters through filter screen 17 in feeder hopper 16, then get into inlet pipe 18, the raw materials air current in the inlet pipe 18 is spouted from bar hole 19, the dispersion of silk screen 20 is again entered into fixed bed layer 2, thereby make the even entering fixed bed layer 2 of raw materials gas, make the reaction result receive the influence, in-process, start electrothermal tube 9, electrothermal tube 9 heats heating box 7, heating box 7 heats the fixed bed reactor body 1 outside, start electrothermal tube 6 simultaneously, electrothermal tube 6 heats fixed bed layer 2 in the fixed bed reactor body 1, thereby through electrothermal tube 6 and heating box 7 internal and external simultaneous heating, can evenly heat fixed bed reactor body 1, improve the inside temperature of fixed bed reactor body 1, improve fixed bed reactor body 1's work efficiency, finally discharge through discharging pipe 21.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. A fixed bed reactor, characterized by: including fixed bed reactor body (1), fixed bed reactor body (1) inside is provided with fixed bed layer (2), fixed bed layer (2) upper and lower both ends are provided with holding ring (3), fixed bed layer (2) bottom is provided with backup pad (4), backup pad (4) bottom is provided with bracing piece (5), fixed bed layer (2) inside is provided with electric heat return bend (6), fixed bed reactor body (1) both sides are provided with heating cabinet (7), heating cabinet (7) inside is provided with fixing base (8), be provided with electrothermal tube (9) in fixing base (8), fixed bed reactor body (1) top is provided with end cover (10), fixed bed reactor body (1) lateral wall top is provided with first extension board (11), be provided with first screw hole (12) on first extension board (11), end cover (10) lateral wall bottom is provided with second extension board (13), be provided with second screw hole (14) on second extension board (13), first screw hole (12) are provided with electrothermal tube (15), second screw hole (14) top (16) are provided with screw hole (16), the utility model discloses a fixed bed reactor, including fixed bed reactor body (1), feeder hopper (16) inside is provided with filter screen (17), feeder hopper (16) bottom is provided with inlet pipe (18), be provided with bar hole (19) on inlet pipe (18) wall, inlet pipe (18) outer wall is provided with silk screen (20), fixed bed reactor body (1) bottom is provided with discharging pipe (21), fixed bed reactor body (1) bottom is provided with support column (22).
2. A fixed bed reactor as claimed in claim 1, wherein: fixed bed layer (2) is fixedly connected inside fixed bed reactor body (1), fixed bed layer (2) upper and lower both ends fixedly connected with holding ring (3).
3. A fixed bed reactor as claimed in claim 1, wherein: fixed bed layer (2) bottom fixedly connected with backup pad (4), backup pad (4) bottom fixedly connected with bracing piece (5), bracing piece (5) are L shape, bracing piece (5) one end and backup pad (4) bottom fixedly connected, bracing piece (5) other end and the inside lateral wall fixed connection of fixed bed reactor body (1), bracing piece (5) are provided with two sets of.
4. A fixed bed reactor as claimed in claim 1, wherein: fixed bed layer (2) inside fixedly connected with electric heat return bend (6), electric heat return bend (6) are provided with a plurality of groups, fixed bed reactor body (1) both sides fixedly connected with heating cabinet (7), heating cabinet (7) are provided with two sets of, inside fixedly connected with fixing base (8) of heating cabinet (7), fixing base (8) are provided with four sets of, fixedly connected with electrothermal tube (9) in fixing base (8), electrothermal tube (9) are provided with two sets of.
5. A fixed bed reactor as claimed in claim 1, wherein: fixed bed reactor body (1) top swing joint has end cover (10), fixed bed reactor body (1) lateral wall top fixedly connected with first extension board (11), first extension board (11) are provided with two sets of, first screw hole (12) have been seted up on first extension board (11), first screw hole (12) are provided with two sets of, end cover (10) lateral wall bottom fixedly connected with second extension board (13), second extension board (13) are provided with two sets of, second screw hole (14) have been seted up on second extension board (13), second screw hole (14) are provided with two sets of, first screw hole (12) internal thread connection has bolt (15), second screw hole (14) internal thread connection has bolt (15), bolt (15) are provided with two sets of, first screw hole (12) and second screw hole (14) size are the same, bolt (15) and first screw hole (12) and second screw hole (14) phase-match.
6. A fixed bed reactor as claimed in claim 1, wherein: the top of the end cover (10) is fixedly connected with a feed hopper (16), the inside of the feed hopper (16) is fixedly connected with a filter screen (17), the bottom of the feed hopper (16) is fixedly connected with a feed pipe (18), the wall of the feed pipe (18) is provided with a strip-shaped hole (19), the upper row and the lower row of the strip-shaped hole (19) are provided with a plurality of groups, the total area of the openings of the strip-shaped holes (19) is not smaller than the cross-sectional area of the orifice of the feed pipe (18), a wire mesh (20) is fixedly wrapped on the outer wall of the feed pipe (18), a plurality of groups of strip-shaped holes (19) are positioned on the inner side of the wire mesh (20), and the bottom of the feed pipe (18) is of a sealing structure.
7. A fixed bed reactor as claimed in claim 1, wherein: the bottom of the fixed bed reactor body (1) is fixedly connected with a discharging pipe (21), and the bottom of the fixed bed reactor body (1) is fixedly connected with a supporting column (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320505418.2U CN219377077U (en) | 2023-03-16 | 2023-03-16 | Fixed bed reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320505418.2U CN219377077U (en) | 2023-03-16 | 2023-03-16 | Fixed bed reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219377077U true CN219377077U (en) | 2023-07-21 |
Family
ID=87169360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320505418.2U Active CN219377077U (en) | 2023-03-16 | 2023-03-16 | Fixed bed reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219377077U (en) |
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2023
- 2023-03-16 CN CN202320505418.2U patent/CN219377077U/en active Active
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