Continuous tubular reactor

Abstract

The utility model discloses a continuous tubular reactor which comprises a box body, mounting frames are arranged on the two side surfaces of the box body, heat exchange bins are arranged in the mounting frames, a plurality of semicircular grooves which are correspondingly arranged are formed in frame bodies on the two sides of the mounting frames, reaction tubes are arranged in the semicircular grooves, connecting pipelines are arranged between the two ends of each reaction tube in a staggered manner, and the connecting pipelines are communicated with the heat exchange bins. Sealing devices are arranged at two ends of the reaction tube, and a load device is arranged in the reaction tube. The reactor disclosed by the utility model has the beneficial effects that the flexibility and the maintainability of the reactor are improved due to the structure convenient to disassemble, the cost and the time for replacing a catalyst are saved, and the production efficiency and the operability of the reactor are improved; the surface area of the catalyst is effectively increased, the reaction rate and the selectivity of the reactor are improved, and the application range and the market prospect are expanded.

Description

Technical Field

[0001] The utility model relates to the technical field related to tubular reactors, in particular to a continuous tubular reactor. Background Art

[0002] Traditional continuous tubular reactors have some limitations under some demanding reaction requirements, including difficulty in disassembly, inconvenience in loading catalysts, or insufficient surface area of ​​loaded catalysts. These limitations lead to a decline in reactor performance and strict requirements on reaction conditions, thus affecting the application range and operability of the reactor.

[0003] At present, the improvement and optimization of continuous tubular reactors is still a research hotspot. It is necessary to propose a new design and catalyst loading method to solve the limitations of existing reactors and meet the requirements of different reaction needs. Utility Model Content

[0004] In view of the above shortcomings, the utility model adopts the following technical solutions:

[0005] A continuous tubular reactor comprises a box body, installation frames are arranged on both sides of the box body, a heat exchange chamber is arranged in the installation frame, a plurality of corresponding semicircular grooves are arranged on the frame bodies on both sides of the installation frame, reaction tubes are arranged in the semicircular grooves, connecting pipes are arranged between the two ends of the reaction tube in a staggered manner, sealing devices are arranged at both ends of the reaction tube, and a loading device is arranged in the reaction tube.

[0006] Furthermore, the sealing device includes a threaded plug, a sealing gasket, a threaded column, and a rotating ear seat. The reaction tube is provided with threads corresponding to the threaded plug on both sides, the threaded plug is provided with a threaded column at the rear end, the threaded column is provided with the rotating ear seat corresponding to its thread, and the sealing gasket is provided between the rotating ear seat and the threaded plug.

[0007] Furthermore, the load device includes an outer spiral frame and an inner screw, the two ends of the inner screw are threadedly connected to the threaded plug, the threaded plug is provided with fixing grooves corresponding to the two ends of the inner screw, the outer spiral frame is arranged around the outer screw, the pitch of the outer spiral frame is twice that of the inner screw, and a spiral load groove is opened on the inner side of the outer spiral frame.

[0008] Furthermore, a feed port and a discharge port are provided at both ends of the reaction tube, and both the feed port and the discharge port are connected to a pressure pump.

[0009] Furthermore, a heat exchange tube is provided in the heat exchange chamber, and the heat exchange tube is in a serpentine shape and is symmetrically arranged on both sides of the reaction tube.

[0010] Furthermore, the installation frame at the connection point of the connecting pipe is provided with an installation groove corresponding to the connecting pipe.

[0011] Furthermore, mounting protrusions are provided at both ends of the outer spiral frame, and grooves corresponding to the mounting protrusions are provided on the threaded plug.

[0012] The beneficial effects of the utility model are: 1. The easily disassembled structure of the utility model improves the flexibility and maintainability of the reactor, reduces the maintenance cost and downtime of the reactor, saves the cost and time of replacing the catalyst, and improves the production efficiency and operability of the reactor; 2. The structure of the utility model provides a higher surface area and optimizes the filling method of the catalyst, effectively increases the surface area of ​​the catalyst, improves the reaction rate and selectivity of the reactor, and expands its application range and market prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the internal structure of the utility model;

[0016] Figure 4 It is a schematic diagram of the structure of the load device of the utility model.

[0017] In the figure: 1-box, 2-installation frame, 3-heat exchange chamber, 31-heat exchange tube, 4-semicircular groove, 5-reaction tube, 51-feed port, 52-discharge port, 6-connecting pipe, 61-installation groove, 7-sealing device, 71-threaded plug, 72-sealing gasket, 73-threaded column, 74-rotating ear seat, 8-loading device, 81-external spiral frame, 82-internal screw, 83-spiral load groove. DETAILED DESCRIPTION

[0018] 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.

[0019] Combination Figures 1 to 4 Shown:

[0020] A continuous tubular reactor. It includes a box body 1. The box body 1 is provided with mounting frames 2 on both sides for mounting reaction tubes 5. The mounting frame 2 is provided with a heat exchange chamber 3 for filling a heat exchange medium. The mounting frame 2 is provided with a plurality of correspondingly arranged semicircular grooves 4 on both sides of the frame. The reaction tubes 5 are arranged in the semicircular grooves 4. Connecting pipes 6 are arranged between the two ends of the reaction tubes 5 in a staggered manner for connecting a plurality of reaction tubes 5. Sealing devices 7 are provided at both ends of the reaction tubes 5 for sealing and facilitating disassembly. The sealing device 7 includes a threaded plug 71, a sealing gasket 72, a threaded column 73, and a rotating ear seat 74. The reaction tubes 5 are provided with threads corresponding to the threaded plug 71 on both sides. The threaded plug 71 is provided with a threaded column 73 at the tail end. The threaded column 73 is provided with a rotating ear seat 74 corresponding to its thread. A sealing gasket 72 is provided between the rotating ear seat 74 and the threaded plug 71.

[0021] A loading device 8 is provided in the reaction tube 5 for loading the catalyst. The loading device 8 includes an outer spiral frame 81 and an inner screw 82. Both ends of the inner screw 82 are threadedly connected to a threaded plug 71. The threaded plug 71 is provided with fixing grooves corresponding to the two ends of the inner screw 82. The outer spiral frame 81 is arranged around the outer side of the inner screw 82. The pitch of the outer spiral frame 81 is twice that of the inner screw 82, and the inner diameter of the outer spiral frame 81 is larger than the outer diameter of the inner screw 82. A spiral loading groove 83 is opened on the inner side of the outer spiral frame 81. The catalyst is loaded in the inner screw 82 and the spiral loading groove 83 inside the outer spiral frame 81.

[0022] The reaction tube 5 is provided with a feed port 51 and a discharge port 52 at both ends. Both the feed port 51 and the discharge port 52 are connected to a pressure pump for providing power to the reaction liquid, promoting the flow, and reducing the resistance effect of the load structure.

[0023] Heat exchange tubes 31 are arranged in the heat exchange chamber 3. The heat exchange tubes 31 are in a serpentine shape and are symmetrically arranged on both sides of the reaction tube 5, so as to provide a good heat exchange environment.

[0024] The mounting frame 2 at the connection point of the connecting pipe 6 is provided with a mounting groove 61 corresponding to the connecting pipe 6, which is used for connecting multiple reaction tubes 5 to extend the reaction time.

[0025] Both ends of the outer spiral frame 81 are provided with mounting protrusions, and the threaded plug 71 is provided with grooves corresponding to the mounting protrusions, so that the outer spiral frame 81 is easy to disassemble, assemble and replace.

[0026] Working principle: The reaction liquid enters the reaction tube through the feed port under appropriate pressure from the pressure pump. The unique loading structure in the reaction tube improves the fluidity of the reaction liquid through the staggered cooperation between the inner screw and the outer threaded frame. The sealing device structure at both ends of the reaction tube that is easy to disassemble makes the replacement of the catalyst easier. At the same time, the catalyst is loaded in the spiral loading groove in the inner screw and the outer threaded frame. The flow direction of the reaction liquid changes when it passes through, so that the catalyst and the reaction liquid are fully in contact, increasing the efficiency of the reaction.

[0027] 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.

[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A continuous tubular reactor, characterized in that: The invention comprises a box body (1), wherein mounting frames (2) are provided on both sides of the box body (1), a heat exchange chamber (3) is provided in the mounting frame (2), a plurality of correspondingly arranged semicircular grooves (4) are provided on the frame bodies on both sides of the mounting frame (2), reaction tubes (5) are provided in the semicircular grooves (4), connecting pipes (6) are provided between the two ends of the reaction tube (5) in a staggered manner, sealing devices (7) are provided at both ends of the reaction tube (5), and a loading device (8) is provided in the reaction tube (5).

2. A continuous tubular reactor according to claim 1, characterized in that: The sealing device (7) comprises a threaded plug (71), a sealing gasket (72), a threaded column (73), and a rotating ear seat (74); the reaction tube (5) is provided with threads corresponding to the threaded plug (71) on both sides; the threaded plug (71) is provided with a threaded column (73) at the rear end; the threaded column (73) is provided with the rotating ear seat (74) corresponding to its thread; and the sealing gasket (72) is provided between the rotating ear seat (74) and the threaded plug (71).

3. A continuous tubular reactor according to claim 2, characterized in that: The load device (8) comprises an outer spiral frame (81) and an inner screw (82), the two ends of the inner screw (82) being threadedly connected to the threaded plug (71), the threaded plug (71) being provided with fixing grooves corresponding to the two ends of the inner screw (82), the outer spiral frame (81) being arranged around the outer side of the inner screw (82), the pitch of the outer spiral frame (81) being twice that of the inner screw (82), and a spiral load groove (83) being provided on the inner side of the outer spiral frame (81).

4. A continuous tubular reactor according to claim 1, characterized in that: The reaction tube (5) is provided with a feed inlet (51) and a discharge outlet (52) at both ends, and the feed inlet (51) and the discharge outlet (52) are both connected to a pressure pump.

5. A continuous tubular reactor according to claim 1, characterized in that: A heat exchange tube (31) is provided in the heat exchange chamber (3), and the heat exchange tube (31) is in a serpentine tube shape and is symmetrically arranged on both sides of the reaction tube (5).

6. A continuous tubular reactor according to claim 1, characterized in that: The installation frame (2) at the connection point of the connection pipe (6) is provided with an installation groove (61) corresponding to the connection pipe (6).

7. A continuous tubular reactor according to claim 3, characterized in that: Both ends of the outer spiral frame (81) are provided with mounting protrusions, and the threaded plug (71) is provided with grooves corresponding to the mounting protrusions.

Images