Stirring device of reaction furnace

Abstract

The utility model belongs to the technical field of nuclear industry, and particularly relates to a reaction furnace stirring device. The device comprises a stirring motor assembly, a permanent magnet synchronous coupling and a stirring rake, the permanent magnet synchronous coupler comprises a rotating inner shaft assembly and a rotating spline shaft assembly magnetically coupled with the rotating inner shaft assembly. The stirring motor assembly is connected with the rotary inner shaft assembly and is used for driving the permanent magnets in the rotary inner shaft assembly to do circular motion, so that the permanent magnets in the rotary inner shaft assembly do synchronous motion; the rotary spline shaft assembly is connected with the stirring rake, so that the stirring rake is driven to stir materials in the reaction furnace for reaction. The device realizes non-penetrating sealing for the furnace cover and the furnace body of the reaction furnace, so that the sealing performance is improved, and the overall production efficiency is further improved.

Description

Technical Field

[0001] The present application belongs to the technical field of nuclear industry, and specifically relates to a stirring device for a reactor. Background Art

[0002] In the field of nuclear industry technology, the sealing of the reactor body is a key technical issue. When using the traditional mechanical stirring connection operation method, the stirring device needs a furnace body penetration, which affects the sealing of the furnace body. Utility Model Content

[0003] The purpose of the present application is to provide a stirring device for a reaction furnace, so as to solve the problem in the prior art that the stirring device requires a furnace body penetrating piece, which affects the sealing performance of the furnace body.

[0004] Technical solution to achieve the purpose of this application:

[0005] The embodiment of the present application provides a stirring device for a reaction furnace, the device comprising: a stirring motor assembly, a permanent magnet synchronous coupling and a stirring rake;

[0006] The permanent magnet synchronous coupling comprises: a rotating inner shaft component and a rotating flower shaft component magnetically coupled to the rotating inner shaft component;

[0007] The stirring motor assembly is connected to the rotating inner shaft assembly and is used to drive the permanent magnet in the rotating inner shaft assembly to perform circular motion, so that the permanent magnet in the rotating flower shaft assembly can perform synchronous motion;

[0008] The rotating flower shaft assembly is connected to a stirring rake, thereby driving the stirring rake to stir and react the materials in the reaction furnace.

[0009] Optionally, the device further comprises: a bearing inner ring positioning tube and a clamping block;

[0010] The stirring motor assembly is connected to the rotating inner shaft assembly through a hexagon socket cylindrical head screw; the bearing inner ring positioning sleeve is arranged on the outer side of the upper end shaft of the rotating inner shaft assembly, and is used to fix and compress the inner ring of the deep groove ball bearing, and guide the upper end shaft of the rotating inner shaft assembly at the same time; the clamp is connected to the lower end shaft of the stirring motor assembly, and is used to fix the hexagon socket cylindrical head screw.

[0011] Optionally, the device further comprises: a deep groove ball bearing and a stirring circumferential bearing end cover;

[0012] The bearing inner ring positioning sleeve is arranged on the outer side of the upper end shaft of the inner shaft assembly, pressing the inner ring of the deep groove ball bearing from the upper end; at the same time, the lower stirring circumferential bearing end cover applies force from the bottom to the top to press the deep groove ball bearing upward.

[0013] Optionally, the stirring circumferential bearing end cover is connected to the lower end of the stirring motor assembly by a second bolt, and the deep groove ball bearing and the shaft of the rotating inner shaft assembly are clearance-fitted to realize the rotation of the rotating inner shaft assembly driven by the stirring motor.

[0014] Optionally, the second bolt is a hexagon head bolt.

[0015] Optionally, the device further comprises: a stirring motor mounting seat and a first bolt;

[0016] The stirring motor assembly is mounted on the stirring motor mounting seat through a first bolt;

[0017] The stirring motor mounting seat sleeve is arranged on the outer side of the rotating inner shaft assembly.

[0018] Optionally, an O-ring is provided between the stirring motor assembly and the stirring motor assembly.

[0019] The beneficial technical effects of this application are:

[0020] The embodiment of the present application provides a stirring device for a reactor, comprising a stirring motor assembly, a permanent magnet synchronous coupling and a stirring rake; the permanent magnet synchronous coupling comprises: a rotating inner shaft assembly and a rotating flower shaft assembly magnetically coupled with the rotating inner shaft assembly; the stirring motor assembly is connected to the rotating inner shaft assembly, and is used to drive the permanent magnet in the rotating inner shaft assembly to perform circular motion, so that the permanent magnet in the rotating flower shaft assembly performs synchronous motion; the rotating flower shaft assembly is connected to the stirring rake, thereby driving the stirring rake to stir the materials in the reactor. The embodiment of the present application realizes non-through sealing of the furnace cover and the furnace body of the reactor, which is beneficial to improve the sealing performance, thereby improving the overall production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic structural diagram of a reactor stirring device provided in an embodiment of the present application.

[0022] In the figure:

[0023] 1- stirring motor assembly; 2- O-ring; 3- stirring motor mounting seat; 4- bearing inner ring positioning tube; 5- deep groove ball bearing; 6- first bolt; 7- stirring circumferential bearing end cover; 8- second bolt; 9- rotating inner shaft assembly; 10- rotating flower shaft assembly; 11- hexagon socket head screw; 12- block; 13- stirring rake. DETAILED DESCRIPTION

[0024] In order to make those skilled in the art better understand the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the embodiments described below are only a part of the embodiments of the present application, not all. Based on the embodiments recorded in the present application, all other embodiments obtained by those skilled in the art without paying creative work are within the scope of protection of the present application.

[0025] In the field of nuclear industry technology, the sealing of the reactor body is a key technical issue. The embodiment of the present application proposes a permanent magnet synchronous coupling connected to a stirring device, which can achieve non-penetrating sealing of the reactor cover and the furnace body while ensuring the stirring capacity. On the premise of ensuring the sealing, the traditional mechanical stirring device is changed to a permanent magnet synchronous coupling connected to the stirring device, and the stirring rake inside the furnace and the transmission device outside the furnace are connected through a permanent magnet synchronous coupling to achieve non-penetrating transmission. The operation is simple, easy to implement, and convenient for inspection and maintenance during the production process.

[0026] Compared with the traditional mechanical stirring connection operation mode, the permanent magnet synchronous coupling connection stirring device does not require furnace body penetration parts, which can maximize the sealing of the furnace body, is simple to operate, and is convenient for inspection and maintenance during the production process. The device can be applied to the nuclear industry technology field to improve the sealing of the furnace body and thus improve the overall production efficiency.

[0027] Based on the above content, in order to clearly and in detail illustrate the above advantages of the present application, the specific implementation methods of the present application will be described below in conjunction with the accompanying drawings.

[0028] See also Figure 1 , which is a structural schematic diagram of a reactor stirring device provided in an embodiment of the present application.

[0029] The stirring device for a reactor provided in an embodiment of the present application comprises: a stirring motor assembly 1, a permanent magnet synchronous coupling and a stirring rake 13;

[0030] The permanent magnet synchronous coupling comprises: a rotating inner shaft component 9 and a rotating flower shaft component 10 magnetically coupled to the rotating inner shaft component 9;

[0031] The stirring motor assembly 1 is connected to the rotating inner shaft assembly 9, and is used to drive the permanent magnet in the rotating inner shaft assembly 9 to perform circular motion, so that the permanent magnet in the rotating flower shaft assembly 10 performs synchronous motion;

[0032] The rotating flower shaft assembly 10 is connected to the stirring rake 13, thereby driving the stirring rake 13 to stir the materials in the reaction furnace.

[0033] In one example, the device further includes: a bearing inner ring positioning tube 4 and a clamping block 12;

[0034] The stirring motor assembly 1 is connected to the rotating inner shaft assembly 9 through the hexagon socket cylindrical head screw 11; the bearing inner ring positioning tube 4 is sleeved on the outer side of the upper end shaft of the rotating inner shaft assembly 9, and is used to fix and compress the inner ring of the deep groove ball bearing 5, and at the same time guide the upper end shaft of the rotating inner shaft assembly; the clamping block 12 is connected to the lower end of the stirring motor assembly, and is used to fix the hexagon socket cylindrical head screw 11.

[0035] In some possible implementations of the embodiments of the present application, the device further includes: a deep groove ball bearing 5 and a stirring circumferential bearing end cover 7;

[0036] The bearing inner ring positioning tube 4 is sleeved on the outer side of the upper end of the inner shaft assembly 9, pressing the inner ring of the deep groove ball bearing 5 from the upper end; at the same time, the lower stirring circumferential bearing end cover 7 applies force from the bottom to the top to press the deep groove ball bearing 5 upward.

[0037] In one example, the stirring circumferential bearing end cover 7 is connected to the lower end of the stirring motor assembly 1 through a second bolt 8, and the deep groove ball bearing 5 and the shaft of the rotating inner shaft assembly 9 are clearance-fitted to realize the rotation of the rotating inner shaft assembly 9 driven by the stirring motor.

[0038] In another example, the second bolt 8 is a hexagonal head bolt.

[0039] In some possible implementations of the embodiments of the present application, the device further includes: a stirring motor mounting base 3 and a first bolt 6;

[0040] The stirring motor assembly 1 is mounted on the stirring motor mounting base 3 by means of a first bolt 6;

[0041] The stirring motor mounting seat 3 is sleeved on the outer side of the rotating inner shaft assembly 9 .

[0042] In one example, an O-ring 2 is provided between the stirring motor assembly 1 and the stirring motor assembly 1 .

[0043] The specific method of using a reactor stirring device provided in an embodiment of the present application is described in detail below with reference to a specific example.

[0044] In a reactor stirring device provided by an embodiment of the present application, a stirring motor assembly 1 is mounted on a stirring motor mounting seat 3 by a first bolt 6, and a stirring motor is driven by a hexagon socket head screw 11 to drive a permanent magnet in a rotating inner shaft assembly 9 of a permanent magnet synchronous coupling to perform circular motion, a bearing inner ring positioning tube 4 guides the upper end shaft of the rotating inner shaft assembly, and a clamping block 12 fixes the cylindrical head screw 11 to overcome the torque generated by the rotation of the servo motor. The permanent magnet in the rotating inner shaft assembly 9 performs circular motion, and then the permanent magnet in the rotating flower shaft assembly 10 performs synchronous motion through magnetic coupling, driving the rotating flower shaft assembly 10 to rotate, thereby driving the stirring rake to stir the materials in the reactor.

[0045] The present application is described in detail above in conjunction with the accompanying drawings and embodiments, but the present application is not limited to the above embodiments, and various changes can be made within the knowledge of ordinary technicians in the field without departing from the purpose of the present application. Any content not described in detail in the present application can adopt the existing technology.

Claims

1. A stirring device for a reaction furnace, characterized in that: The device comprises: a stirring motor assembly (1), a permanent magnet synchronous coupling and a stirring rake (13); The permanent magnet synchronous coupling comprises: a rotating inner shaft component (9) and a rotating flower shaft component (10) magnetically coupled to the rotating inner shaft component (9); The stirring motor assembly (1) is connected to the rotating inner shaft assembly (9) and is used to drive the permanent magnet in the rotating inner shaft assembly (9) to perform circular motion, thereby causing the permanent magnet in the rotating flower shaft assembly (10) to perform synchronous motion; The rotating flower shaft assembly (10) is connected to the stirring rake (13), thereby driving the stirring rake (13) to stir the materials in the reaction furnace for reaction.

2. The stirring device for a reaction furnace according to claim 1, characterized in that: The device further comprises: a bearing inner ring positioning tube (4) and a clamping block (12); The stirring motor assembly (1) is connected to the rotating inner shaft assembly (9) via a hexagon socket head screw (11); the bearing inner ring positioning tube (4) is sleeved on the outer side of the upper end shaft of the rotating inner shaft assembly (9) and is used to fix and press the inner ring of the deep groove ball bearing (5) and guide the upper end shaft of the rotating inner shaft assembly (9); the clamping block (12) is connected to the lower end shaft of the stirring motor assembly (1) and is used to fix the hexagon socket head screw (11).

3. The stirring device for a reaction furnace according to claim 2, characterized in that: The device further comprises: a deep groove ball bearing (5) and a stirring circumferential bearing end cover (7); The bearing inner ring positioning tube (4) is sleeved on the outer side of the upper end shaft of the inner shaft assembly (9) to press the inner ring of the deep groove ball bearing (5) from the upper end; at the same time, the lower stirring circumferential bearing end cover (7) applies force from the bottom to the top to press the deep groove ball bearing (5) upward.

4. The stirring device for a reaction furnace according to claim 3, characterized in that: The stirring circumferential bearing end cover (7) is connected to the lower end of the stirring motor assembly (1) via a second bolt (8), and the deep groove ball bearing (5) and the shaft of the rotating inner shaft assembly (9) are clearance-matched to achieve the rotation of the rotating inner shaft assembly (9) driven by the stirring motor.

5. The stirring device for a reaction furnace according to claim 3, characterized in that: The second bolt (8) is a hexagonal head bolt.

6. The stirring device for a reaction furnace according to claim 1, characterized in that: The device further comprises: a stirring motor mounting seat (3) and a first bolt (6); The stirring motor assembly (1) is mounted on the stirring motor mounting base (3) via a first bolt (6); The stirring motor mounting seat (3) is sleeved on the outer side of the rotating inner shaft assembly (9).

7. The stirring device for a reaction furnace according to claim 6, characterized in that: An O-type sealing ring (2) is provided between the stirring motor assembly (1) and the stirring motor assembly (1).

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