CN219441641U

CN219441641U - Anti-blocking device of reactor

Info

Publication number: CN219441641U
Application number: CN202320413711.6U
Authority: CN
Inventors: 黄凤翔; 袁波; 石飞
Original assignee: Sichuan Hongpeng New Material Co ltd
Current assignee: Sichuan Hongpeng New Material Co ltd
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-08-01
Anticipated expiration: 2033-03-07

Abstract

The utility model relates to the technical field of micro-reactors, and provides a reactor anti-blocking device, which aims at solving the problem that the existing anti-blocking micro-channel reactor cannot remove solid particles which are gradually formed again in the micro-channel reaction process; the dredging assembly comprises a plurality of dredging rods, and the dredging rods are connected with the micro-channel pipe in a sliding manner; the dredging rod is further provided with a driving motor, the driving motor is located at the feeding end or the discharging end of the micro-channel pipe, and the dredging rod is detachably connected with a penetrating shaft of the driving motor. The dredging component is arranged in the micro-channel pipe, the effect of periodically dredging the micro-channel is realized by controlling the sliding of the dredging rod at regular time and the like, so that the condition that solid particles are gradually generated and accumulated in the micro-channel in the reaction process is avoided, and the micro-reactor can continuously and effectively produce.

Description

Anti-blocking device of reactor

Technical Field

The utility model relates to the technical field of microreactors, in particular to an anti-blocking device of a reactor.

Background

Microreactors are one type of reactor, and specifically are microreactors having reactant flow channels with equivalent diameters between about 10 and 300 microns fabricated using precision machining techniques. The micro-reactor has extremely large specific surface area due to the tiny channel size, namely, the micro-reactor has extremely good heat and mass transfer capacity, and the instant uniform mixing and efficient heat transfer of materials can be realized. However, since the equivalent diameter of the channel is extremely small, when the fluid itself contains particulate matter or solid matter is produced after reaction, the micro-channel is extremely liable to be blocked, and the production cannot be continuously performed.

In order to solve the problem that the micro-channel in the micro-reactor is easy to be blocked, a micro-reactor with anti-blocking effect is provided. For example, a patent with publication number CN217829123U discloses an anti-blocking microchannel reactor, a connecting box is communicated with the feeding end of the microchannel reactor body, and a filter assembly such as a filter screen is arranged in the connecting box, so that solid impurities in the fluid can be filtered before the fluid enters the microchannel reactor. However. The above solution can only remove solid particles in the feed before reaction, but cannot remove solid particles which are gradually formed again in the microchannel reaction process, i.e. the anti-blocking effect is poor.

Based on this, there is an urgent need for a device that can better accommodate microchannel plugging in microreactors.

Disclosure of Invention

The utility model aims to solve the problem that the existing anti-blocking microchannel reactor cannot remove solid particles which are gradually formed again in the microchannel reaction process. The application provides a reactor anti-blocking device, configuration mediation subassembly in the microchannel intraductal, through the slip etc. of timing control mediation pole, realize the effect of regular mediation microchannel to avoid producing gradually in the microchannel in the reaction process and piling up the condition of solid particulate matter, in order to guarantee that the microreactor can last effectively to produce.

The utility model is realized by the following technical scheme:

the reactor anti-blocking device comprises a plurality of layers of micro-reaction plates, wherein a plurality of micro-channel pipes are embedded in the surfaces of the micro-reaction plates, and dredging components are arranged in the micro-channel pipes; the dredging assembly comprises a plurality of dredging rods, and the dredging rods are connected with the micro-channel pipe in a sliding manner; the dredging rod is further provided with a driving motor, the driving motor is located at the feeding end or the discharging end of the micro-channel pipe, and the dredging rod is detachably connected with a penetrating shaft of the driving motor.

Preferably, the dredging rod is provided with a limiting assembly, the limiting assembly comprises a connecting ring sleeved on the side wall surface of the dredging rod, a limiting rod is erected on the outer side wall surface of the connecting ring, and one end, away from the dredging rod, of the limiting rod penetrates through the micro-channel tube.

Preferably, the side wall surface of the dredging rod is further provided with a plurality of pairs of struts, and the pairs of struts are erected on one opposite side of the outer side wall surface of the dredging rod.

Preferably, the plurality of pairs of struts are spirally arranged on the outer side wall surface of the dredging rod.

Preferably, the microchannel tube comprises a plurality of sections of straight tubes which are communicated in sequence, and two adjacent sections of straight tubes are arranged in an included angle.

Preferably, the included angle between two adjacent sections of the straight pipes is 100-150 degrees.

Preferably, the microchannel tube further comprises a plurality of sections of steering tubes, and the middle parts of the plurality of sections of straight tubes are communicated with the steering tubes, so that the microchannel tubes can be uniformly distributed on the surface of the microreaction plate.

Preferably, the steering tube is detachably connected with the straight tube, and a sinking part is arranged on one side of the steering tube away from the straight tube.

The technical scheme of the utility model has the following beneficial effects:

(1) The dredging component is arranged in the microchannel tube, and the effect of periodically dredging the microchannel is realized by controlling the sliding of the dredging rod at regular time, so as to avoid the condition that solid particles are gradually generated and accumulated in the microchannel in the reaction process.

(2) The arrangement of the micro-channel pipes is improved, the micro-channel pipes are arranged at an included angle, the widened sections are arranged at the bent parts of the included angles, fluid impacts at the widened sections, solid matters can be promoted to flow out along with circulation, and the anti-blocking dredging effect is further achieved.

(3) The microchannel tube is communicated by adopting a multi-section pipeline and comprises a straight tube and a steering tube, one side of the steering tube far away from the straight tube is provided with a sinking part, when fluid flows to the sinking part and the flow direction is changed, solid matters in the fluid are centrifugally acted and can be accumulated on the outer side in a large quantity, and at the moment, the sinking part can be used for accommodating the solid matters; the steering tube is detachably connected with the straight tube, and after a certain period of work, the steering tube can be detached to remove accumulated solids.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the anti-blocking apparatus of the reactor in example 1;

FIG. 2 is a schematic view of the structure of the portion A in FIG. 1 in a partially enlarged manner;

FIG. 3 is a schematic structural view of a micro-reaction plate in example 1;

FIG. 4 is a schematic structural view of a microchannel tube in example 1;

fig. 5 is a schematic structural view of the dredging rod in embodiment 1.

Icon: 1-micro reaction plate, 11-hangers, 2-microchannel tube, 21-straight tube, 22-steering tube, 23-sinking part, 3-dredging rod, 31-connecting ring, 32-limit rod, 33-supporting rod, 4-heat exchange plate, 5-backing plate, 6-end plate and 7-fixing bolt.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

Example 1

As shown in fig. 1 to 5, the present embodiment provides an anti-blocking device for a reactor, which includes a multi-layer micro-reaction plate 1, wherein a plurality of micro-channel tubes 2 are embedded on the surface of the micro-reaction plate 1, and a dredging assembly is arranged in the micro-channel tubes 2; the dredging assembly comprises a plurality of dredging rods 3, and the dredging rods 3 are in sliding connection with the micro-channel tube 2; the dredging rod 3 is further provided with a driving motor, the driving motor is located at the feeding end or the discharging end of the microchannel tube 2, the dredging rod 3 is welded with a penetrating shaft of the driving motor to drive the dredging rod 3 to reciprocate back and forth or rotate in situ, the effect of periodically dredging the microchannel is achieved by controlling sliding of the dredging rod 3 at regular time and the like, and the situation that solid particles are gradually generated and accumulated in the microchannel in the reaction process is avoided.

In this embodiment, heat exchange plates 4 are disposed on both sides of the micro-reaction plate 1, and a backing plate 5 is sandwiched between the micro-reaction plate 1 and the heat exchange plates 4 to form a reaction plate set; end plates 6 are arranged on both sides of the reaction plate group to form a reactor main body so as to protect the reaction plate group; the edge of the micro-reaction plate 1 is provided with a hanging lug 11 in a penetrating way, so that the reaction plate group and the end plate 6 can be provided with a fixing bolt 7 in a penetrating way, and the structural stability of the reactor main body is kept. The prior microreactor can be directly selected by a person skilled in the art according to actual use requirements, and related components such as the microreactor plate 1 and the like are improved on the basis of the prior microreactor, so that the anti-blocking and dredging effects are realized.

In the embodiment, the dredging rod 3 is provided with a limiting component, the limiting component comprises a connecting ring 31 sleeved on the side wall surface of the dredging rod 3, a limiting rod 32 is erected on the outer side wall surface of the connecting ring 31, and one end, far away from the dredging rod 3, of the limiting rod 32 is penetrated through the micro-channel tube 2; the side wall surface of the dredging rod 3 is further provided with a plurality of pairs of struts 33, the pair of struts 33 are arranged on a pair of opposite sides of the outer side wall surface of the dredging rod 3, and the plurality of pairs of struts 33 are spirally arranged on the outer side wall surface of the dredging rod 3.

In this embodiment, the micro-channel tube 2 includes a plurality of sections of sequentially communicated straight tubes 21, two adjacent sections of straight tubes 21 are arranged at an included angle, and the included angle between two adjacent sections of straight tubes 21 is 120 degrees, so as to maximally realize the effect that the impact of fluid drives the solid to flow out.

In this embodiment, the microchannel tube 2 further includes a plurality of sections of steering tubes 22, and the middle parts of the plurality of sections of straight tubes 21 are connected with the steering tubes 22, so that the microchannel tube 2 can be uniformly distributed on the surface of the micro-reaction plate 1; the steering tube 22 is fastened to the straight tube 21, and a sinking portion 23 is provided on a side of the steering tube 22 away from the straight tube 21. The microchannel tube 2 is communicated by adopting a multi-section pipeline and comprises a straight tube 21 and a steering tube 22, one side of the steering tube 22 far away from the straight tube 21 is provided with a sinking part 23, when fluid flows to the sinking part and the flow direction is changed, solid matters in the fluid are centrifugally acted and can be accumulated on the outer side in a large amount, and at the moment, the sinking part 23 can be used for accommodating the solid matters; the steering tube 22 is detachably connected with the straight tube 21, and after a certain period of operation, the steering tube 22 can be detached to remove accumulated solids.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. 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

1. The reactor anti-blocking device is characterized by comprising a micro-reaction plate (1), wherein a plurality of micro-channel pipes (2) are embedded in the surface of the micro-reaction plate (1), and dredging components are arranged in the micro-channel pipes (2);

the dredging assembly comprises a plurality of dredging rods (3), and the dredging rods (3) are in sliding connection with the microchannel tube (2); the dredging rod (3) is further provided with a driving motor, the driving motor is located at the feeding end or the discharging end of the micro-channel tube (2), and the dredging rod (3) is detachably connected with a penetrating shaft of the driving motor.

2. The reactor anti-blocking device according to claim 1, wherein the dredging rod (3) is provided with a limiting assembly, the limiting assembly comprises a connecting ring (31) sleeved on the side wall surface of the dredging rod (3), a limiting rod (32) is arranged on the outer side wall surface of the connecting ring (31), and one end, far away from the dredging rod (3), of the limiting rod (32) is penetrated in the micro-channel tube (2).

3. The reactor anti-blocking device according to claim 1, wherein the side wall surface of the dredging rod (3) is further provided with a plurality of pairs of struts (33), and the pair of struts (33) are erected on one opposite side of the outer side wall surface of the dredging rod (3).

4. A reactor anti-blocking device according to claim 3, wherein the pairs of struts (33) are arranged in a spiral on the outer side wall of the dredging rod (3).

5. The reactor anti-blocking device according to any one of claims 1 to 4, wherein the microchannel tube (2) comprises a plurality of sections of straight tubes (21) which are sequentially communicated, and two adjacent sections of the straight tubes (21) are arranged at an included angle.

6. The reactor anti-blocking device according to claim 5, characterized in that the angle between two adjacent segments of said straight pipes (21) is 100-150 °.

7. The reactor anti-blocking device according to claim 5, wherein the microchannel tube (2) further comprises a plurality of sections of turning tubes (22), and the middle parts of the plurality of sections of straight tubes (21) are communicated with the turning tubes (22), so that the microchannel tube (2) can be uniformly distributed on the surface of the micro-reaction plate (1).

8. The reactor anti-blocking device according to claim 7, characterized in that the steering tube (22) is detachably connected to the straight tube (21), the side of the steering tube (22) remote from the straight tube (21) being provided with a countersink (23).