Continuous flow plate type microchannel reactor

By designing deformation-resistant sealing members and positioning mechanisms in the plate microchannel reactor, the problem of degradation of sealing performance caused by deformation of the pilot-level reactor is solved, and a higher sealing effect and equipment stability are achieved.

CN222427962UActive Publication Date: 2025-02-07MICRO FLOW TECH (HUZHOU) CO LTD
View PDF 0 Cites 1 Cited by

Patent Information

Application Number
CN202421203482.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-29
Publication Date
2025-02-07
Estimated Expiration
2034-05-29

AI Technical Summary

Technical Problem

At the pilot level, existing plate microchannel reactors have deformed due to internal residual stress, resulting in a degradation of sealing performance.

Method used

A continuous flow plate microchannel reactor is designed, using deformation-resistant sealing members, including intermediate bolts, O-shaped grooves and sealing rings that penetrate the heat exchange plate, as well as positioning mechanisms and tensioning members, to ensure the correct installation of the heat exchange plate. and seal.

Benefits of technology

Effectively resist the leakage risk caused by deformation, reduce deformation caused by pressure, and improve the sealing effect of the microchannel reactor.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222427962U_ABST
    Figure CN222427962U_ABST
Patent Text Reader

Abstract

The utility model discloses a continuous flow plate type micro-channel reactor which comprises a micro-channel reactor body, the micro-channel reactor body comprises two heat exchange plates, an anti-deformation sealing component is arranged between the two heat exchange plates, the anti-deformation sealing component comprises a middle bolt penetrating through the two heat exchange plates, and the middle bolt penetrates through the two heat exchange plates. O-shaped caulking grooves are formed in the inner surfaces and the outer surfaces of the heat exchange plates correspondingly, screw rings are arranged at the left ends of the middle bolts in a screwed mode, sealing rings arranged on the middle bolts in a sleeving mode are embedded into the O-shaped caulking grooves, positioning mechanisms are arranged on the upper surfaces and the lower surfaces of the two heat exchange plates correspondingly, and each positioning mechanism comprises a baffle plate located at the end of the corresponding heat exchange plate in an attached mode. According to the utility model, through the designed anti-deformation sealing component, the pilot-scale micro-channel reactor can effectively resist the leakage risk caused by the deformation under the same pressure and temperature, meanwhile, the deformation caused by the pressure can be reduced under the condition that the interior is pressed, and the sealing effect of the micro-channel reactor is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model belongs to the technical field of plate type microchannel reactors, in particular to a continuous flow plate type microchannel reactor. Background Art

[0002] Plate microchannel reactor is an efficient and compact reaction device that uses the rapid heat and mass transfer characteristics in the microchannel to achieve high reaction rate and product purity. It is widely used in chemical, pharmaceutical, bioengineering and other fields.

[0003] Some existing plate-type microchannel reactors have been enlarged to pilot-scale level. Under the same pressure and temperature, they may be deformed after a period of time due to the influence of internal residual stress, resulting in reduced sealing performance. For this reason, we propose a continuous flow plate-type microchannel reactor. Utility Model Content

[0004] The purpose of the utility model is to provide a continuous flow plate type microchannel reactor to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a continuous flow plate type microchannel reactor, comprising a microchannel reactor body, the microchannel reactor body comprising two heat exchange plates, an anti-deformation sealing component is arranged between the two heat exchange plates, the anti-deformation sealing component comprises an intermediate bolt passing through the two heat exchange plates, the inner and outer surfaces of the heat exchange plates are provided with O-shaped grooves, the left end of the intermediate bolt is screwed with a screw ring, a sealing ring sleeved on the intermediate bolt is embedded in the O-shaped groove, and the upper and lower surfaces of the two heat exchange plates are provided with positioning mechanisms, the positioning mechanisms include a baffle plate fitted at the end of the heat exchange plate, and the front and rear surfaces of the baffle plate are provided with a clamping plate extending to the outer surface of the heat exchange plate.

[0006] Preferably, positioning grooves are provided on the inner surfaces of the upper and lower ends of the heat exchange plate, and an embedding block extending into the positioning groove is provided on the lower surface of the shielding plate.

[0007] Preferably, a tensioning member is arranged between the two clamping plates, and the tensioning member includes fixed pull plates respectively fixed on the inner surfaces of the two clamping plates, the inner side surfaces of the fixed pull plates are provided with side teeth along their length direction, and the upper surface of the shielding plate is provided with a rotating gear meshing with the side teeth on both sides.

[0008] Preferably, a rotating shaft penetrating the rotating gear is rotatably arranged on the upper surface of the shielding plate, a hand wheel is arranged at the upper end of the rotating shaft, and a limiting rod is vertically installed on the surface of the hand wheel, the lower end of which extends into a slot provided on the surface of the shielding plate.

[0009] Preferably, a rectangular hole is opened on the surface of the fixed pull plate, and a guide sliding block located in the fixed pull plate is provided on the upper surface of the shielding plate.

[0010] Preferably, the microchannel reactor body further comprises a flow channel cover plate located inside the heat exchange plate, a flow channel plate is arranged between two of the flow channel cover plates, and a plurality of reinforcing bolts are arranged between the two heat exchange plates.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] (1) The utility model adopts a designed anti-deformation sealing component, so that the pilot-scale microchannel reactor can effectively resist the leakage risk caused by such deformation under the same pressure and temperature. At the same time, under the condition of internal pressure, it can also reduce the deformation caused by pressure and improve the sealing effect of the microchannel reactor. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the microchannel reactor of the utility model;

[0014] Figure 2 It is an exploded view of the microchannel reactor of the utility model;

[0015] Figure 3 For this utility model Figure 2 A magnified image of area A;

[0016] Figure 4 For this utility model Figure 2 Enlarged view of area B;

[0017] Figure 5 For this utility model Figure 2 The structural diagram of the positioning mechanism;

[0018] Figure 6 For this utility model Figure 5 Enlarged view of the middle C area;

[0019] In the figure: 100, microchannel reactor body; 101, heat exchange plate; 102, reinforcing bolt; 200, anti-deformation sealing member; 201, middle bolt; 202, screw ring; 203, sealing ring; 204, O-shaped groove; 300, positioning mechanism; 301, embedded block; 302, positioning groove; 303, clamping plate; 304, shielding plate; 305, tensioning member; 3051, fixed pull plate; 3052, side teeth; 3053, rectangular hole; 3054, rotating gear; 3055, guide slider; 3056, hand wheel; 3057, limit rod. DETAILED DESCRIPTION

[0020] 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.

[0021] Example 1

[0022] See also Figure 1 - Figure 6 The utility model provides a technical solution: a continuous flow plate-type microchannel reactor, comprising a microchannel reactor body 100, the microchannel reactor body 100 comprising two heat exchange plates 101, an anti-deformation sealing component 200 is arranged between the two heat exchange plates 101, the anti-deformation sealing component 200 comprises an intermediate bolt 201 penetrating the two heat exchange plates 101, the intermediate bolt can effectively resist the risk of leakage caused by deformation during the pilot test, and at the same time, under internal pressure, it can also reduce the deformation caused by pressure, the inner and outer surfaces of the heat exchange plate 101 are provided with an O-shaped embedding groove 204, the left end of the intermediate bolt 201 is screwed with a screw ring 202, and the O-shaped embedding groove 204 is embedded with a sleeve The sealing ring 203 on the middle bolt 201 further seals the connection, reduces leakage, and improves the sealing effect. The upper and lower surfaces of the two heat exchange plates 101 are provided with positioning mechanisms 300. The positioning mechanisms 300 can be used to position the heat exchange plates 101 during installation so that the mounting holes on the two heat exchange plates 101 are aligned and not misaligned. The positioning mechanism 300 includes a baffle plate 304 that is fitted at the end of the heat exchange plate 101. The baffle plate 304 can limit the heat exchange plate 101 in the upper and lower directions. The front and rear surfaces of the baffle plate 304 are provided with a clamping plate 303 that extends to the outer surface of the heat exchange plate 101. The friction resistance between the clamping plate 303 and the heat exchange plate 101 makes it difficult for the two to separate.

[0023] In this embodiment, preferably, positioning grooves 302 are provided on the inner surfaces of the upper and lower ends of the heat exchange plate 101, and an embedded block 301 extending into the positioning groove 302 is provided on the lower surface of the baffle plate 304. When the embedded block 301 cooperates with the positioning groove 302, the two heat exchange plates 101 will not be laterally offset.

[0024] In this embodiment, preferably, a tensioning member 305 is provided between the two clamping plates 303. The tensioning member 305 can be used to allow the two clamping plates 303 to move relative to each other, thereby playing a relative clamping role on the two heat exchange plates 101 and facilitating the installation of the reinforcing bolts 102. The tensioning member 305 includes fixed pull plates 3051 respectively fixed on the inner surfaces of the two clamping plates 303. The movement of the fixed pull plates 3051 can drive the clamping plates 303 to move. The inner side surface of the fixed pull plate 3051 is provided with side teeth 3052 along its length direction. The upper surface of the shielding plate 304 is provided with a rotating gear 3054 meshing with the side teeth 3052 on both sides. The rotating gear 3054 can cooperate with the side teeth 3052 as the rotating shaft rotates.

[0025] In this embodiment, preferably, a rotating shaft penetrating the rotating gear 3054 is rotatably provided on the upper surface of the baffle plate 304, and a handwheel 3056 is provided on the upper end of the rotating shaft. Holding the handwheel 3056 can drive the rotating shaft to rotate, and a limiting rod 3057 is vertically installed on the surface of the handwheel 3056, and the lower end of the limiting rod 3057 extends into the slot provided on the surface of the baffle plate 304. The limiting rod 3057 can limit the position of the handwheel 3056, thereby locking the rotating gear 3054, so that the clamping plate 303 always maintains a state of clamping the heat exchange plate 101.

[0026] In this embodiment, preferably, a rectangular hole 3053 is provided on the surface of the fixed pull plate 3051, and a guide slider 3055 is provided on the upper surface of the baffle plate 304 and is located in the fixed pull plate 3051. The guide slider 3055 is I-shaped, and the guide slider 3055 slides in cooperation with the rectangular hole 3053, which can guide and limit the fixed pull plate 3051, so that the fixed pull plate 3051 will not deviate in the lateral and vertical directions while moving.

[0027] In this embodiment, preferably, the microchannel reactor body 100 also includes a flow channel cover plate located on the inner side of the heat exchange plate 101, a flow channel plate is arranged between the two flow channel cover plates, and a plurality of reinforcement bolts 102 are arranged between the two heat exchange plates 101, and the reinforcement bolts 102 play a role in connecting and tightening the microchannel reactor body 100.

[0028] In summary, when installing adjacent heat exchange plates 101, the embedded block 301 can be extended into the positioning groove 302, and the baffle plate 304 contacts the upper surface of the heat exchange plate 101. The hand wheel 3056 is held to drive the rotating shaft and the rotating gear 3054 to rotate, and the side teeth 3052 engaged therewith move with the engagement, driving the two fixed pull plates 3051 to move relative to each other, so that the two clamping plates 303 are relatively pressed against the heat exchange plate 101, and then the hand wheel 3056 is connected to the baffle plate 304 with the limiting rod 3057 to keep the clamping plate 303 relatively clamped against the heat exchange plate 101. At this time, the mounting holes on the heat exchange plate 101 are aligned without misalignment, and then the heat exchange plates 101 are connected with the reinforcing bolts 102. When the components on the microchannel reactor body 100 are assembled, the middle bolt 201 will be installed in the middle position to reinforce and resist deformation of the middle position of the microchannel reactor body 100.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A continuous flow plate type microchannel reactor, comprising a microchannel reactor body (100), characterized in that: The microchannel reactor body (100) comprises two heat exchange plates (101), an anti-deformation sealing component (200) is arranged between the two heat exchange plates (101), the anti-deformation sealing component (200) comprises an intermediate bolt (201) penetrating the two heat exchange plates (101), the inner and outer surfaces of the heat exchange plates (101) are provided with O-shaped embedding grooves (204), a screw ring (202) is screwed on the left end of the intermediate bolt (201), a sealing ring (203) sleeved on the intermediate bolt (201) is embedded in the O-shaped embedding groove (204), and the upper and lower surfaces of the two heat exchange plates (101) are provided with positioning mechanisms (300), the positioning mechanisms (300) comprise shielding plates (304) fitted at the ends of the heat exchange plates (101), and the front and rear surfaces of the shielding plates (304) are provided with pressing plates (303) extending to the outer surfaces of the heat exchange plates (101).

2. The continuous flow plate type microchannel reactor according to claim 1, characterized in that: The inner surfaces of the upper and lower ends of the heat exchange plate (101) are provided with positioning grooves (302), and the lower surface of the shielding plate (304) is provided with an embedded block (301) extending into the positioning groove (302).

3. The continuous flow plate type microchannel reactor according to claim 1, characterized in that: A tensioning member (305) is arranged between the two clamping plates (303), and the tensioning member (305) includes fixed pull plates (3051) respectively fixed to the inner surfaces of the two clamping plates (303), and the inner side surfaces of the fixed pull plates (3051) are provided with side teeth (3052) along their length direction, and the upper surface of the shielding plate (304) is provided with a rotating gear (3054) meshing with the side teeth (3052) on both sides.

4. The continuous flow plate type microchannel reactor according to claim 3, characterized in that: A rotating shaft penetrating the rotating gear (3054) is rotatably arranged on the upper surface of the shielding plate (304), a hand wheel (3056) is arranged at the upper end of the rotating shaft, and a limiting rod (3057) is vertically installed on the surface of the hand wheel (3056), the lower end of which extends into a slot provided on the surface of the shielding plate (304).

5. The continuous flow plate type microchannel reactor according to claim 4, characterized in that: A rectangular hole (3053) is provided on the surface of the fixed pull plate (3051), and a guide sliding block (3055) located in the fixed pull plate (3051) is provided on the upper surface of the shielding plate (304).

6. The continuous flow plate type microchannel reactor according to claim 1, characterized in that: The microchannel reactor body (100) further comprises a flow channel cover plate located inside the heat exchange plate (101), a flow channel plate is arranged between the two flow channel cover plates, and a plurality of reinforcing bolts (102) are arranged between the two heat exchange plates (101).

Citation Information

Cited By

  • Ethylene catalytic oxidation device based on micro-channel reactor

    CN224822512U