Electric heating device of magnesium alloy sacrificial anode production furnace

Abstract

The utility model discloses an electric heating device of a magnesium alloy sacrificial anode production furnace, which comprises a crucible and a mounting mechanism, the outer surface of the crucible is provided with uniformly distributed chutes, the mounting mechanism comprises a mounting rack, a limiting block, a groove, a first heating component and a second heating component, the mounting rack is arranged on the outer surface of the crucible, and the limiting block is arranged on the mounting rack. And the limiting blocks are evenly arranged at the upper end and the lower end of the inner wall of the mounting frame, the outer surfaces of the limiting blocks and the inner walls of the longitudinally adjacent sliding grooves are installed in a matched mode, and the grooves are evenly formed in the upper end and the lower end of the outer surface of the mounting frame. According to the electric heating device of the magnesium alloy sacrificial anode production furnace, the whole electric heating device of the magnesium alloy sacrificial anode production furnace can be disassembled and replaced, the independent electric heating wire can also be disassembled and replaced, disassembly and assembly of a large number of bolts are avoided, and the disassembly and assembly efficiency of the electric heating device of the magnesium alloy sacrificial anode production furnace is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to magnesium alloy sacrifice anode production technical field, concretely is the electric heating device of magnesium alloy sacrifice anode production furnace. BACKGROUND

[0002] Magnesium alloy sacrifice anode is a kind of material for cathodic protection, mainly by sacrificing magnesium alloy as anode to provide protection current, to slow down or prevent the corrosion of protected metal, its working principle is based on electrochemistry principle, the potential of magnesium alloy anode is more negative than protected metal, so that electron is transferred from magnesium alloy anode to protected metal, to inhibit the corrosion of protected metal, when producing magnesium alloy sacrifice anode, magnesium alloy sacrifice anode production furnace needs to be used, the existing magnesium alloy sacrifice anode production furnace when producing magnesium alloy sacrifice anode, magnesium ingot and aluminum ingot are put into crucible, then alloy melt in molten state is formed by heating through electric heating device and the stirring of stirring shaft, then it is cast into shape, electric heating device is mostly composed of multiple electric heating wires, each electric heating wire is fixed on the outer surface and lower end of crucible by bolt, heat-insulating bricks and other thermal insulation materials are arranged on the inner wall of furnace body outside electric heating wire, temperature dissipation is reduced, the electric heating device of traditional magnesium alloy sacrifice anode production furnace is composed of electric heating wire, and is fixed on the outer surface of crucible by bolt, after long-time use, electric heating wire will age, needs to be removed and replaced as a whole or individually, is relatively independent with electric heating wire, needs to disassemble and assemble a large number of bolts, it is very inconvenient, for this reason, we propose the electric heating device of magnesium alloy sacrifice anode production furnace. UTILITARIAN CONTENT

[0003] The utility model solves the technical problem to overcome the existing defects, provide the electric heating device of magnesium alloy sacrifice anode production furnace, be equipped with mounting mechanism, can carry out the whole removal and replacement work of the electric heating device of magnesium alloy sacrifice anode production furnace, also can carry out the removal and replacement work of single electric heating wire, avoid the disassembly of a large number of bolts, improve the disassembly efficiency of the electric heating device of magnesium alloy sacrifice anode production furnace, can effectively solve the problems in background art.

[0004] To realize the above-mentioned purpose, the utility model provides the following technical scheme: the electric heating device of magnesium alloy sacrifice anode production furnace, including crucible and mounting mechanism;

[0005] Crucible: the outer surface is provided with uniformly distributed chute;

[0006] The installation mechanism comprises a mounting frame, limiting blocks, grooves, a first heating assembly and a second heating assembly, the mounting frame is arranged on the outer surface of the crucible, the limiting blocks are uniformly arranged at the upper and lower ends of the inner wall of the mounting frame, the outer surfaces of the limiting blocks are matched with the inner walls of the longitudinally adjacent sliding grooves, the grooves are uniformly arranged at the upper and lower ends of the outer surface of the mounting frame, and the grooves provide a basis for the overall disassembly work, the first heating assembly is arranged between two vertically adjacent grooves, and the second heating assembly is arranged at the lower end of the crucible.

[0007] Further, the first heating assembly comprises mounting columns one, mounting blocks, mounting columns two, mounting rings and electric heating wires one, the mounting columns one are arranged in the middle of the inner surfaces of the upper grooves, the mounting blocks are sleeved on the outer surfaces of the mounting columns one, the mounting columns two are arranged in the middle of the inner surfaces of the lower grooves, the mounting columns two are downwardly inclined columns, the mounting rings are sleeved on the outer surfaces of the mounting columns two, and the electric heating wires one are arranged between the lower ends of the mounting blocks and the upper ends of the vertically adjacent mounting rings.

[0008] Further, the first heating assembly further comprises limiting rings, baffles and limiting bolts one, the limiting rings are rotationally connected to the upper end of the mounting frame, the baffles are uniformly arranged at the lower end of the outer surface of the limiting ring, and the limiting bolts one are respectively threadedly connected to the left and right sides in the limiting ring.

[0009] Further, the baffles and the upper grooves are annularly and staggeringly distributed, so that the single electric heating wire one can be quickly disassembled.

[0010] Further, the second heating assembly comprises a bottom disc, electric heating wires two and limiting bolts two, the bottom disc is arranged at the lower end of the inner surface of the mounting frame, the electric heating wires two are spirally arranged in the middle of the inner surface of the bottom disc, the input ends of the electric heating wires two are electrically connected to the output end of the single-chip microcomputer, the limiting bolts two are threadedly connected to the lower end of the inner surface of the mounting frame, and the inner ends of the limiting bolts two are threadedly connected to the outer surface of the bottom disc, so that the bottom of the crucible is provided with a heating effect.

[0011] Further, the temperature sensor is arranged at the upper and lower ends of the inner wall of the crucible, and the temperature sensor is bidirectionally electrically connected to the single-chip microcomputer, so that the temperature monitoring work is provided with a basis.

[0012] Furthermore, it also includes a microcontroller, which is located on the right side of the outer surface of the crucible. The input terminal of the microcontroller is electrically connected to an external power source to control the electric heating device of the magnesium alloy sacrificial anode production furnace.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: The electric heating device of this magnesium alloy sacrificial anode production furnace has the following advantages:

[0014] 1. The heating wire 1 can be quickly fixed inside the groove by the mounting block and mounting ring. Rotating the limiting ring moves the baffle to make the baffle and the groove separate, so as to quickly disassemble and replace a single heating wire 1. The heating wire 2 can be quickly disassembled and replaced by rotating the limiting bolt 2 in both directions, so as to realize the quick removal and replacement of a single heating wire and avoid the need to disassemble and install a large number of bolts.

[0015] 2. By using an external crane to lift and deflect the mounting frame, the limiting block can enter and leave the inner wall of the chute, allowing the entire mounting frame to detach from the surface of the crucible. This enables the complete removal and replacement of the electric heating device of the magnesium alloy sacrificial anode production furnace, improving the efficiency of disassembly and assembly of the electric heating device. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a cross-sectional structural diagram of the installation mechanism of this utility model;

[0018] Figure 3 This is an enlarged structural diagram of point A in this utility model;

[0019] Figure 4 This is a schematic diagram of the slide groove structure of this utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the second heating component of this utility model;

[0021] Figure 6 This is a schematic diagram of the structure of the heating wire of this utility model.

[0022] In the diagram: 1. Crucible, 2. Slide, 3. Mounting mechanism, 31. Mounting bracket, 32. Limiting block, 33. Groove, 34. First heating component, 341. Mounting post one, 342. Mounting block, 343. Mounting post two, 344. Mounting ring, 345. Heating wire one, 346. Limiting ring, 347. Baffle, 348. Limiting bolt one, 35. Second heating component, 351. Chassis, 352. Heating wire two, 353. Limiting bolt two, 4. Temperature sensor, 5. Microcontroller. Detailed Implementation

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0024] Please refer to Figures 1-6 The embodiment provides a technical scheme: the electric heating device of the magnesium alloy sacrificial anode production furnace, including the crucible 1 and the mounting mechanism 3.

[0025] The crucible 1: the outer surface is provided with uniformly distributed chutes 2, further comprising temperature sensors 4, the temperature sensors 4 are respectively arranged at the upper and lower ends of the inner wall of the crucible 1, the temperature sensors 4 are all bidirectionally connected with the single-chip microcomputer 5, and a basis for temperature monitoring work is provided, further comprising the single-chip microcomputer 5, the single-chip microcomputer 5 is arranged on the right side of the outer surface of the crucible 1, and the input end of the single-chip microcomputer 5 is electrically connected with an external power supply, so that the electric heating device of the magnesium alloy sacrificial anode production furnace is controlled through the effect.

[0026] The installation mechanism 3 comprises a mounting frame 31, limiting blocks 32, grooves 33, first heating assemblies 34 and second heating assemblies 35. The mounting frame 31 is arranged on the outer surface of the crucible 1 and is an annular frame body. The limiting blocks 32 are uniformly arranged on the upper and lower ends of the inner wall of the mounting frame 31. The outer surfaces of the limiting blocks 32 are matched with the inner walls of the longitudinally adjacent sliding grooves 2. The side of the sliding groove 2 aligned with the limiting block 32 is provided with a horizontal groove. The side of the sliding groove 2 without the horizontal groove is a vertical groove. The end of the horizontal groove has a downward recess, which forms a left-right limiting effect on the limiting block 32. When the limiting block 32 is located at the recess, the gravity of the mounting frame 31 presses the limiting block 32, so that the lower end of the limiting block 32 is tightly attached to the upper end of the recess. The gravity makes the mounting frame 31 form a fixed effect. The grooves 33 are uniformly arranged on the upper and lower ends of the outer surface of the mounting frame 31, which provides a basis for overall disassembly and assembly. The first heating assemblies 34 are arranged between the vertically adjacent two grooves 33. The first heating assembly 34 comprises mounting columns one 341, mounting blocks 342, mounting columns two 343, mounting rings 344 and electric heating wires one 345. The mounting columns one 341 are arranged in the middle of the inner surface of the upper groove 33. The mounting blocks 342 are sleeved on the outer surface of the mounting column one 341. The mounting columns two 343 are arranged in the middle of the inner surface of the lower groove 33. The mounting columns two 343 are downwardly inclined columns. The mounting rings 344 are sleeved on the outer surface of the mounting column two 343. The electric heating wires one 345 are arranged between the lower end of the mounting block 342 and the upper end of the vertically adjacent mounting ring 344. The input end of the electric heating wire one 345 is electrically connected with the output end of the single-chip microcomputer 5, which provides a basis for the disassembly and assembly of the electric heating wire one 345. The first heating assembly 34 further comprises limiting rings 346, baffles 347 and limiting bolts one 348. The limiting ring 346 is rotationally connected to the upper end of the mounting frame 31. The baffles 347 are uniformly arranged on the lower end of the outer surface of the limiting ring 346. The inner side end of the baffle 347 is attached to the outer side end of the vertically adjacent mounting block 342. The limiting bolts one 348 are threadedly connected to the left and right sides of the inner surface of the limiting ring 346. The lower end of the outer surface of the limiting bolt one 348 is threadedly connected with the upper end of the mounting frame 31, which can quickly limit the electric heating wire one 345. The baffle 347 and the upper groove 33 are annularly distributed in a staggered manner, which provides a basis for the quick disassembly and assembly of the single electric heating wire one 345. The second heating assembly 35 is arranged at the lower end of the crucible 1. The second heating assembly 35 comprises a bottom disc 351, electric heating wires two 352 and limiting bolts two 353. The bottom disc 351 is arranged at the lower end of the inner surface of the mounting frame 31. The electric heating wires two 352 are spirally arranged in the middle of the inner surface of the bottom disc 351. The input end of the electric heating wire two 352 is electrically connected with the output end of the single-chip microcomputer 5. The limiting bolts two 353 are threadedly connected with the lower end of the inner surface of the mounting frame 31. The inner side end of the limiting bolt two 353 is threadedly connected with the outer surface of the bottom disc 351, which provides a heating effect for the bottom of the crucible 1. The installation mechanism 3 can be used for the overall disassembly and replacement of the electric heating device of the magnesium alloy sacrificial anode production furnace.The single electric heating wire can be replaced, the large number of bolts are avoided from being disassembled, and the disassembling efficiency of the electric heating device of the magnesium alloy sacrificial anode production furnace is improved.

[0027] The working principle of the electric heating device of the magnesium alloy sacrificial anode production furnace is as follows: when the magnesium alloy sacrificial anode is produced, the electric heating device needs to be installed first, the whole electric heating device is lifted by an external crane, then is put into the furnace body with the inner wall covered with heat insulation bricks, then the magnesium ingot and the aluminum ingot are put into the crucible 1, the single-chip microcomputer 5 controls the electric heating wire one 345 and the electric heating wire two 352 to work, the electric heating wire one 345 and the electric heating wire two 352 emit a large amount of heat, heat the crucible 1 and the magnesium ingot and the aluminum ingot inside, the temperature sensor 4 monitors the temperature inside the crucible 1 in real time, and the external stirring device in the furnace works to mix the alloy melt in a molten state uniformly, then is sent to the next process for casting cooling, the production of the magnesium alloy sacrificial anode is completed, the electric heating wire one 345 and the electric heating wire two 352 will age after long-term use and need to be replaced, when the replacement work of the single electric heating wire one 345 is needed, the limiting bolt one 348 is reversed, when the lower end of the limiting bolt one 348 leaves the inside of the mounting frame 31, the baffle 347 is moved by rotating the limiting ring 346, until the baffle 347 is staggered with the corresponding groove 33, at this time, the outside end of the mounting block 342 loses the limitation, the electric heating wire one 345 to be replaced is found, the mounting block 342 is pulled out outwardly, until the mounting block 342 is separated from the corresponding mounting column one 341, the upper end of the electric heating wire one 345 is disassembled, then the mounting ring 344 is pulled outwardly along the track of the mounting column two 343, until the mounting ring 344 is separated from the corresponding mounting column two 343, at this time, the single electric heating wire one 345 is disassembled, when the electric heating wire two 352 needs to be disassembled, the limiting bolt two 353 is reversed, until the inside end of the limiting bolt two 353 leaves the outer surface of the bottom disc 351, the bottom disc 351 loses the limitation and is disassembled, the electric heating wire two 352 is disassembled, when the whole electric heating device needs to be replaced, at this time, the bottom disc 351 has been disassembled, since the fixing of the mounting frame 31 relies on the gravity action and the mounting frame 31 is large in size, therefore, an external crane needs to be used, the mounting frame 31 is connected with the external crane, then the mounting frame 31 is lifted by a small height, so that the limiting block 32 does not touch the inner wall of the sliding groove 2, then the mounting frame 31 is manually deflected rightwards by twelve degrees, until the limiting block 32 is aligned with the right vertical groove of the sliding groove 2, the mounting frame 31 is continuously lifted upwards, until the mounting frame 31 is completely separated from the surface of the crucible 1, the whole disassembling work of the electric heating device is completed.

[0028] It is worth noting that the microcontroller 5 disclosed in the above embodiments is an S-700 microcontroller, the heating wire 345 and the heating wire 352 are both Cr20Ni80 heating wires, the temperature sensor 4 is a WZP-PT100 temperature sensor, and the microcontroller 5 controls the operation of the temperature sensor 4, the heating wire 345 and the heating wire 352 using methods commonly used in the prior art.

[0029] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. An electric heating device for a magnesium alloy sacrificial anode production furnace, characterized in that: Includes a crucible (1) and a mounting mechanism (3); Crucible (1): Its outer surface is provided with uniformly distributed grooves (2); The mounting mechanism (3) includes a mounting frame (31), a limiting block (32), a groove (33), a first heating component (34), and a second heating component (35). The mounting frame (31) is disposed on the outer surface of the crucible (1). The limiting block (32) is evenly disposed on the upper and lower ends of the inner wall of the mounting frame (31). The outer surface of the limiting block (32) is fitted with the inner wall of the longitudinally adjacent sliding groove (2). The groove (33) is evenly disposed on the upper and lower ends of the outer surface of the mounting frame (31). The first heating component (34) is disposed between two vertically adjacent grooves (33). The second heating component (35) is disposed at the lower end of the crucible (1).

2. The electric heating device for the magnesium alloy sacrificial anode production furnace according to claim 1, characterized in that: It also includes a microcontroller (5), which is located on the right side of the outer surface of the crucible (1), and the input terminal of the microcontroller (5) is electrically connected to an external power supply.

3. The electric heating device for the magnesium alloy sacrificial anode production furnace according to claim 2, characterized in that: The first heating component (34) includes a first mounting post (341), a mounting block (342), a second mounting post (343), a mounting ring (344), and a first heating wire (345). The first mounting post (341) is located in the middle of the upper groove (33). The mounting block (342) is sleeved on the outer surface of the first mounting post (341). The second mounting post (343) is located in the middle of the lower groove (33). The second mounting post (343) is a downwardly inclined column. The mounting ring (344) is sleeved on the outer surface of the second mounting post (343). The lower end of the mounting block (342) and the upper end of the vertically adjacent mounting ring (344) are provided with the first heating wire (345). The input end of the first heating wire (345) is electrically connected to the output end of the microcontroller (5).

4. The electric heating device for the magnesium alloy sacrificial anode production furnace according to claim 1, characterized in that: The first heating component (34) further includes a limiting ring (346), a baffle (347), and a limiting bolt (348). The limiting ring (346) is rotatably connected to the upper end of the mounting bracket (31). The baffle (347) is evenly arranged on the lower end of the outer surface of the limiting ring (346). The limiting bolt (348) is threaded to the left and right sides inside the limiting ring (346). The lower end of the outer surface of the limiting bolt (348) is threaded to the upper end of the mounting bracket (31).

5. The electric heating device for the magnesium alloy sacrificial anode production furnace according to claim 4, characterized in that: The baffle (347) and the groove (33) above it are both arranged in a ring-shaped staggered distribution.

6. The electric heating device for the magnesium alloy sacrificial anode production furnace according to claim 2, characterized in that: The second heating component (35) includes a chassis (351), a second heating wire (352), and a second limiting bolt (353). The chassis (351) is located at the lower end of the interior of the mounting bracket (31). The second heating wire (352) is spirally distributed in the middle of the interior of the chassis (351). The input end of the second heating wire (352) is electrically connected to the output end of the microcontroller (5). The second limiting bolt (353) is threaded to the lower end of the interior of the mounting bracket (31). The inner end of the second limiting bolt (353) is threaded to the outer surface of the chassis (351).

7. The electric heating device for the magnesium alloy sacrificial anode production furnace according to claim 2, characterized in that: It also includes temperature sensors (4), which are respectively set at the upper and lower ends of the inner wall of the crucible (1). The temperature sensors (4) are all bidirectionally electrically connected to the microcontroller (5).

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