Microchannel reactor capable of being filled with catalyst in pluggable mode
By designing a movable and adjustable catalyst pallet device in the microchannel reactor, the problem of inconvenient catalyst loading is solved, and the catalyst is conveniently plugged, unplugged, installed and cleaned, improving the control accuracy and effect of the catalytic reaction.
Patent Information
- Application Number
- CN202422024774.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-20
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-08-20
AI Technical Summary
In existing microchannel reactors, the catalyst loading process is inconvenient for observation and control, and the high-pressure reactor material is opaque, making it difficult to determine the catalyst loading situation.
A microchannel reactor that can plug and unload the catalyst is designed. By setting a movable and adjustable catalyst tray device in the cylinder, the installation head and connecting cover are used to realize the removable fixation of the catalyst tray, which facilitates the insertion, removal and cleaning of the catalyst.
It realizes convenient filling, replacement and cleaning of catalysts in the reactor, and improves the control accuracy and reaction effect of catalytic reaction operations.
Smart Images
Figure CN223010528U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of chemical equipment, and particularly relates to a microchannel reactor capable of plugging and unplugging and loading catalysts. Background Art
[0002] A chemical reaction carried out under the action of a catalyst is called a catalytic reaction. It is necessary to study a catalytic reaction device that can carry out various types of catalytic conversion reactions on two or more gaseous reaction raw materials under the conditions of different catalysts, different heating temperatures, and pressures. The tray of the catalyst in the microchannel reactor is fixed on the thermometer conduit or the inner wall of the reaction tube. When loading the catalyst, it is usually poured into the reactor. The material of the high-pressure reactor is generally heat-resistant alloy steel, which is opaque. Therefore, it is impossible to observe how the catalyst is loaded. Content of the Utility Model
[0003] The purpose of the utility model is to provide a microchannel reactor capable of plugging and unplugging and loading catalysts. By arranging a catalyst tray device that can be detachably connected and movably adjusted in a cylinder body capable of introducing reactants, the convenient disassembly, replacement, and cleaning of the catalyst in the cylinder body are realized, which is beneficial to more intuitively observing the reaction of the catalyst and controlling the addition amount of the catalyst, and improving the efficiency and effect of catalytic reaction processing.
[0004] The purpose of the utility model is realized as follows. A microchannel reactor capable of plugging and unplugging and loading catalysts includes:
[0005] A cylinder body, and the cylinder body has a cylindrical structure;
[0006] A feed pipeline, which is arranged on one side of the upper end of the cylinder body, and the feed pipeline is communicated with the inside of the cylinder body;
[0007] A discharge pipeline, which is arranged at the lower end of the cylinder body, and the discharge pipeline is communicated with the inside of the cylinder body; and
[0008] A movable and adjustable catalyst tray device is arranged inside the cylinder body, and the catalyst tray device includes a mounting head arranged at the upper end of the cylinder body and a catalyst tray mounted inside the cylinder body through the mounting head.
[0009] Further, the cylinder body includes a mounting and clamping part arranged at the upper end and a reaction part arranged at the lower end, and the mounting head is arranged at the upper end of the mounting and clamping part; a mounting channel is arranged on the central axis of the mounting and clamping part.
[0010] Furthermore, the mounting head includes a connection cover detachably connected to the upper end of the mounting and clamping part, a clamping head fixedly arranged on the connection cover, and a thermometer conduit arranged in the clamping head. A channel with the same pipe diameter as the mounting channel is arranged in the clamping head, and the thermometer conduit is inserted into the interior of the cylinder body through the channel and the mounting channel.
[0011] Furthermore, a groove is arranged at the upper end of the mounting and clamping part, a protrusion is arranged at the position of the clamping head close to the groove, the channel passes through the protrusion, and the protrusion is arranged in adaptation with the groove.
[0012] Furthermore, a fixing hole is arranged in the middle of the catalyst tray, and the thermometer conduit is fixedly installed with the catalyst tray through the fixing hole.
[0013] Furthermore, a plurality of through holes are evenly distributed on the end face of the catalyst tray.
[0014] The beneficial effects of the present utility model are embodied in:
[0015] 1. In the present utility model, by arranging the cylinder body, a space for placing and reacting the catalyst is provided. A feed pipeline is arranged at the upper end of the cylinder body, and a discharge pipeline is arranged at the lower end of the cylinder body. The liquid to be reacted flows through the cylinder body and reacts with the catalyst placed in the cylinder body. More specifically, since a catalyst tray device that can be movably adjusted is arranged inside the cylinder body, the catalyst tray device is installed at the upper end of the cylinder body through the mounting head and is detachably and fixedly arranged. Thus, the catalyst placed in the cylinder body can be inserted and removed for installation, which is beneficial for the reaction operation, taking, replacement, and cleaning of the catalyst in the cylinder body, and further improves the control of the catalyst operation in the catalytic reaction and the accuracy and effect of the reaction.
[0016] 2. In the present utility model, since a mounting and clamping part is arranged at the upper end of the cylinder body, stable positioning and installation of the catalyst tray in the cylinder body are realized. At the same time, a reaction part is arranged at the lower end of the cylinder body. The reactants entering the cylinder body from the feed pipeline enter the reaction part at the lower end of the cylinder body and contact and react with the catalyst in the catalyst tray placed therein, thereby realizing catalytic reaction processing.
[0017] 3. In the present utility model, by arranging a connection cover in the mounting head and a clamping head clamped relatively in the connection cover, and enabling the thermometer conduit to be clamped in the cylinder body through the channel in the clamping head. Thus, under the action of the clamping head, the thermometer conduit is fixedly installed through the connection cover and the clamping head, and the thermometer conduit is detachably connected relatively in the cylinder body.
[0018] 4. In the present utility model, since a groove is provided at the upper end of the installation and clamping part, and a protrusion is provided at the position of the clamping head close to the groove, and the protrusion is adapted to the groove, it is beneficial to fixedly install the thermometer conduit by the connecting cover and the clamping head, and then make the clamping head and the upper end of the installation and clamping part be hermetically connected in an adapted manner, so as to improve the sealing performance of the thermometer conduit after being installed and placed in the cylinder.
[0019] 5. In the present utility model, since a fixing hole is provided in the middle of the catalyst tray, and the catalyst tray is fixedly installed through the thermometer conduit passing through the fixing hole, thus enabling the catalyst tray to be stably installed and placed at a predetermined position in the cylinder. Further, since a plurality of through holes are evenly distributed on the end face of the catalyst tray, it is beneficial to place the catalyst on the catalyst tray, and through the circulation of the liquid, the reaction between the reaction liquid and the catalyst on the catalyst tray can be realized. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] In order to more clearly illustrate the specific embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts do not necessarily draw according to the actual scale.
[0021] Figure 1 It is a schematic diagram of the overall structure of the reactor of the present utility model;
[0022] Figure 2 It is a schematic diagram of the structure of the installation head of the present utility model;
[0023] Figure 3 It is a schematic diagram of the structure of the catalyst tray of the present utility model.
[0024] In the drawings, 1 - cylinder, 2 - feed pipeline, 3 - discharge pipeline, 4 - catalyst tray device, 5 - installation head, 6 - catalyst tray, 7 - installation and clamping part, 8 - reaction part, 9 - installation channel, 10 - connecting cover, 11 - clamping head, 12 - thermometer conduit, 13 - channel, 14 - groove, 15 - protrusion, 16 - fixing hole, 17 - through hole. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0025] The following will describe in detail the embodiments of the technical solutions of the present utility model with reference to the drawings. The following embodiments are only used to illustrate the technical solutions of the present utility model more clearly, so they are only examples and cannot be used to limit the protection scope of the present utility model.
[0026] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in this application shall have the ordinary meanings understood by those skilled in the art to which this utility model belongs.
[0027] Referring to Figures 1 - 3 , a microchannel reactor capable of plugging and loading catalysts, comprising:
[0028] A cylinder body 1, and the cylinder body 1 is of a cylindrical structure;
[0029] A feed pipe 2, which is arranged on one side of the upper end of the cylinder body 1, and the feed pipe 2 is communicated with the inside of the cylinder body 1;
[0030] A discharge pipe 3, which is arranged at the lower end of the cylinder body 1, and the discharge pipe 3 is communicated with the inside of the cylinder body 1; and
[0031] A catalyst tray device 4 that is movably adjustable is arranged inside the cylinder body 1, and the catalyst tray device 4 includes a mounting head 5 arranged at the upper end of the cylinder body 1 and a catalyst tray 6 mounted inside the cylinder body 1 through the mounting head 5.
[0032] By providing the cylinder body 1, a space for placing and reacting the catalyst is provided, the feed pipe 2 is arranged at the upper end of the cylinder body 1, and the discharge pipe 3 is arranged at the lower end of the cylinder body 1. The liquid to be reacted flows through the cylinder body 1 and reacts with the catalyst placed in the cylinder body 1. More specifically, since a catalyst tray device 4 that is movably adjustable is arranged inside the cylinder body 1, the catalyst tray device 4 is mounted at the upper end of the cylinder body 1 through the mounting head 5 and is fixedly arranged in a detachable manner. Thus, the catalyst placed in the cylinder body 1 can be installed and removed by plugging, which is beneficial to the reaction operation, taking, replacement and cleaning of the catalyst in the cylinder body 1, and further improves the control of the catalyst operation in the catalytic reaction and the accuracy and effect of the reaction.
[0033] Preferably, the cylinder body 1 includes a mounting and clamping part 7 arranged at the upper end and a reaction part 8 arranged at the lower end, and the mounting head 5 is arranged at the upper end of the mounting and clamping part 7; a mounting channel 9 is arranged on the central axis of the mounting and clamping part 7.
[0034] It can be understood that, since the mounting and clamping part 7 is arranged at the upper end of the cylinder body 1, stable positioning and installation of the catalyst tray 6 in the cylinder body 1 are realized. At the same time, the reaction part 8 is arranged at the lower end of the cylinder body 1. The reactants entering the cylinder body 1 from the feed pipe 2 enter the reaction part 8 at the lower end of the cylinder body 1 and contact and react with the catalyst in the catalyst tray 6 placed therein, thereby realizing catalytic reaction processing.
[0035] Preferably, the mounting head 5 includes a connection cover 10 detachably connected to the upper end of the mounting clamping portion 7, a clamping head 11 fixedly provided on the connection cover 10, and a thermometer conduit 12 provided in the clamping head 11. A channel 13 having the same pipe diameter as the mounting channel 9 is provided in the clamping head 11, and the thermometer conduit 12 is inserted into the interior of the cylinder body 1 through the channel 13 and the mounting channel 9.
[0036] By providing a connection cover 10 in the mounting head 5 and a clamping head 11 relatively clamped in the connection cover 10, and enabling the thermometer conduit 12 to be clamped in the cylinder body 1 through the channel 13 in the clamping head 11; thus, under the action of the clamping head 11, the thermometer conduit 12 is fixedly installed through the connection cover 10 and the clamping head 11, and the thermometer conduit 12 is detachably connected relatively in the cylinder body 1.
[0037] Preferably, a groove 14 is provided at the upper end of the mounting clamping portion 7, a protrusion 15 is provided at a position of the clamping head 11 close to the groove 14, the channel passes through the protrusion 15, and the protrusion 15 is adapted to the groove 14.
[0038] It can be understood that since a groove 14 is provided at the upper end of the mounting clamping portion 7, a protrusion 15 is provided at a position of the clamping head 11 close to the groove 14, and the protrusion 15 is adapted to the groove 14, it is beneficial to fixedly install the thermometer conduit 12 by the connection cover 10 and the clamping head 11, and then make the clamping head 11 and the upper end of the mounting clamping portion 7 be hermetically connected in an adapted manner, so as to improve the sealing performance after the thermometer conduit 12 is installed and placed in the cylinder body 1.
[0039] Preferably, a fixing hole 16 is provided in the middle of the catalyst tray 6, and the thermometer conduit 12 is fixedly installed with the catalyst tray 6 through the fixing hole 16.
[0040] Preferably, a plurality of through holes 17 are evenly distributed on the end surface of the catalyst tray 6.
[0041] As a preferred mode of this embodiment, since a fixing hole 16 is provided in the middle of the catalyst tray 6, the catalyst tray 6 is fixedly installed with the catalyst tray 6 by passing the thermometer conduit 12 through the fixing hole 16, thereby realizing that the catalyst tray 6 can be stably installed and placed at a predetermined position in the cylinder body 1. Further, since a plurality of through holes 17 are evenly distributed on the end surface of the catalyst tray 6, it is beneficial to place the catalyst on the catalyst tray 6, and through the circulation of the liquid, the reaction liquid reacts with the catalyst on the catalyst tray 6.
[0042] Preferably, the connection cover 10 is threadedly connected to the upper end of the mounting clamping portion 7.
[0043] Preferably, a plurality of thermocouples are provided inside the thermometer conduit 12.
[0044] As a preferred embodiment of this example, the plurality of thermocouples can be fixedly arranged along the inner wall of the thermometer conduit 12 and can be evenly distributed at the upper, middle and lower positions of the cylinder 1 to realize the temperature detection of each position of the reaction part 8.
[0045] As a preferred embodiment of this example, a pressure sensor is provided on the cylinder 1, and the pressure sensor is fixedly arranged on the inner wall of the cylinder 1.
[0046] The working principle and process of the present utility model:
[0047] When the microchannel reactor capable of plugging and unplugging and loading the catalyst provided by the present utility model is in use, the catalyst in the catalytic reaction is placed on the catalyst tray 6. After the catalyst tray device 4 is integrally inserted into the cylinder 1 for installation, the liquid to be subjected to the catalytic reaction is introduced into the cylinder 1 from the feed pipe 2, and the catalytic reaction is carried out on the catalyst tray 6 in the reaction part 8. The liquid after the reaction is discharged from the discharge pipe 3, thereby realizing the operation of the catalytic reaction.
[0048] By providing the cylinder 1, a space for placing and reacting the catalyst is provided. The feed pipe 2 is provided at the upper end of the cylinder 1, and the discharge pipe 3 is provided at the lower end of the cylinder 1. The liquid to be reacted flows through the cylinder 1 and reacts with the catalyst placed in the cylinder 1. More specifically, since a movable and adjustable catalyst tray device 4 is provided inside the cylinder 1, the catalyst tray device 4 is installed at the upper end of the cylinder 1 through the mounting head 5 and realizes detachable fixed setting. Thus, the plugging and unplugging installation of the catalyst placed in the cylinder 1 is beneficial to the reaction operation, taking, replacing and cleaning of the catalyst in the cylinder 1, and further improves the control of the catalyst operation in the catalytic reaction and the accuracy and effect of the reaction.
[0049] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model, rather than to limit it; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present utility model, and they should all be covered by the scope of the claims and the description of the present utility model.
Claims
1. A microchannel reactor capable of plugging and unplugging a catalyst, characterized in that: include: A cylinder (1), wherein the cylinder (1) is a cylindrical structure; A feed pipe (2), the feed pipe (2) being arranged on one side of the upper end of the cylinder (1), the feed pipe (2) being connected to the interior of the cylinder (1); a discharge pipe (3), the discharge pipe (3) being arranged at the lower end of the cylinder (1), the discharge pipe (3) being connected to the interior of the cylinder (1); and A movably adjustable catalyst tray device (4) is arranged inside the cylinder (1), and the catalyst tray device (4) comprises a mounting head (5) arranged at the upper end of the cylinder (1) and a catalyst tray (6) mounted inside the cylinder (1) through the mounting head (5).
2. The microchannel reactor capable of plugging and unplugging catalyst according to claim 1, characterized in that: The cylinder (1) comprises a mounting clamping portion (7) arranged at the upper end and a reaction portion (8) arranged at the lower end; the mounting head (5) is arranged at the upper end of the mounting clamping portion (7); and a mounting channel (9) is arranged on the central axis of the mounting clamping portion (7).
3. The microchannel reactor capable of plugging and unplugging catalyst loading according to claim 2, characterized in that: The mounting head (5) comprises a connection cover (10) detachably connected to the upper end of the mounting clamping portion (7), a clamping head (11) fixedly arranged on the connection cover (10), and a thermometer tube (12) arranged in the clamping head (11); the clamping head (11) is provided with a channel (13) having the same diameter as the mounting channel (9); the thermometer tube (12) is inserted into the interior of the cylinder (1) through the channel (13) and the mounting channel (9).
4. The microchannel reactor capable of plugging and unplugging catalyst according to claim 3, characterized in that: The upper end of the mounting clamping portion (7) is provided with a groove (14), the clamping head (11) is provided with a protrusion (15) near the groove (14), the channel passes through the protrusion (15), and the protrusion (15) is adapted to be arranged in a matching manner with the groove (14).
5. The microchannel reactor capable of plugging and unplugging catalyst loading according to claim 3, characterized in that: A fixing hole (16) is provided in the middle of the catalyst tray (6), and the thermometer guide tube (12) is fixedly installed with the catalyst tray (6) through the fixing hole (16).
6. The microchannel reactor capable of plugging and unplugging catalyst loading according to claim 1, characterized in that: The catalyst tray (6) is provided with a plurality of through holes (17) evenly distributed on the end surface.
7. The microchannel reactor capable of plugging and unplugging catalyst loading according to claim 3, characterized in that: The connection cover (10) is threadedly connected to the upper end of the mounting clamping portion (7).
8. The microchannel reactor capable of plugging and unplugging catalyst loading according to claim 3, characterized in that: A plurality of thermocouples are arranged inside the thermometer conduit (12).