A magnetically self-fixed aluminum electrolytic cell leak-proof furnace temperature acquisition unit

Abstract

This utility model discloses a temperature acquisition unit for a magnetically self-fixed leak-proof aluminum electrolysis cell furnace, comprising a base, a cover plate, a high-temperature resistant magnet, a temperature sensor, and a mechanical temperature control switch. The base has an open groove inside, with a magnet placement slot and a switch placement through-hole on the bottom plate of the groove. The high-temperature resistant magnet is placed in the magnet placement slot, and the mechanical temperature control switch is placed in the switch placement through-hole. The cover plate has an opening in the groove and a connecting through-hole. The cover plate and the bottom plate of the groove are bolted together. The temperature sensor is located on the upper part of the cover plate. One end of the mechanical temperature control switch is electrically connected to the temperature sensor through the connecting through-hole, and the other end of the mechanical temperature control switch has a high-temperature wire. This utility model can withstand harsh environments with high temperatures and high magnetic fields. Its modular unit design allows for rapid replacement of the acquisition unit during subsequent maintenance, reducing maintenance time.

Description

Technical Field

[0001] This utility model relates to the field of aluminum electrolysis technology, specifically to a temperature acquisition unit for a magnetically self-fixed aluminum electrolysis cell leak-proof furnace. Background Technology

[0002] In the process of industrialization, the cryolite-alumina molten salt electrolysis method is a core aluminum smelting process, and the number of its core aluminum electrolytic cells is gradually increasing. With the increasing size of the equipment and the complexity of the process, the operational risks of the electrolytic cells have risen significantly, with cell leakage accidents becoming a major industry safety hazard. Temperature monitoring has thus become a crucial aspect of electrolytic cell monitoring.

[0003] Existing temperature measurement methods mainly rely on manual temperature measurement, which faces problems such as numerous measurement points, untimely measurement, high temperature and high magnetic field, and narrow space. Regarding temperature measurement devices, infrared temperature probes (patent application number: 202421171779.9) are typically used. These probes receive infrared radiation emitted by objects and convert it into an electrical signal. The actual temperature of the object can be determined based on the magnitude of the converted electrical signal. However, external dust, smoke, and other pollutants can reduce the accuracy of temperature measurement. To avoid these factors affecting measurement accuracy, the probe is usually cleaned through maintenance or by adding a drive motor to clean it. Therefore, this type of temperature probe is only suitable for use in environments with relatively good working conditions. However, the electrolytic aluminum production process generates strong electromagnetic interference, high temperatures, and falling dust and debris. These adverse factors will all act on the temperature probe, causing electromagnetic interference that leads to inaccurate measurements and signal loss. At the same time, harsh environments with high magnetic fields and high temperatures can also cause demagnetization of the permanent magnets in the drive motor, reduced motor efficiency, and magnetization of the bearings that attract iron filings. In addition, the addition of a drive unit increases the size and weight of the temperature probe, requiring bolts and nuts for fixing. This not only increases the time required for installation, debugging, and maintenance but also causes production losses due to downtime for debugging and maintenance. Therefore, there is an urgent need in the field of electrolytic aluminum for a temperature measuring device that can withstand harsh environments such as high magnetic fields and high temperatures, and that is easy to disassemble, assemble, and maintain. Utility Model Content

[0004] The purpose of this invention is to provide a magnetically self-fixed aluminum electrolysis cell leak-proof furnace temperature acquisition unit to solve the problems existing in the background technology.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a magnetically self-fixed aluminum electrolysis cell leak-proof furnace temperature acquisition unit, comprising a base, a cover plate, a high-temperature resistant magnet, a temperature sensor, and a mechanical temperature control switch. The base has an open groove inside, and the bottom plate of the groove has a magnet placement groove and a switch placement through hole. The high-temperature resistant magnet is placed in the magnet placement groove, and the mechanical temperature control switch is placed in the switch placement through hole. The cover plate has an opening in the groove, and a connecting through hole is provided on the cover plate. The cover plate and the bottom plate of the groove are bolted together. The temperature sensor is located on the upper end of the cover plate. One end of the mechanical temperature control switch is electrically connected to the temperature sensor through the connecting through hole, and the other end of the mechanical temperature control switch is provided with a high-temperature wire.

[0006] As a preferred embodiment of this technical solution, two magnet placement slots are provided, which are symmetrically arranged on both sides of the switch placement through hole.

[0007] As a preferred embodiment of this technical solution, the switch placement through hole is provided with fixing threaded holes on both sides.

[0008] As a preferred embodiment of this technical solution, the cover plate has a cavity in the middle to accommodate a mechanical temperature control switch, and a connecting through hole is provided on the cover plate above the cavity.

[0009] As a preferred embodiment of this technical solution, the bolt is a high-temperature resistant bolt.

[0010] As a preferred embodiment of this technical solution, the high-temperature resistant magnet is a high-temperature samarium cobalt magnet.

[0011] Compared with existing technologies, this utility model uses Teflon tape to fix the high-temperature resistant magnet in the magnet placement groove, and fixes it magnetically. The mechanical temperature control switch and the high-temperature resistant magnet are fixed in the groove of the base by the cover plate. The double fixation and limiting ensure that the position remains unchanged after long-term use, maintains stable temperature measurement accuracy, and prevents high-temperature short circuits caused by filling. The temperature sensor can resist harsh environments with high temperature and high magnetic field. The modular unit design allows the acquisition unit to be quickly replaced in subsequent maintenance, thereby reducing the maintenance time. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the base structure of this utility model.

[0013] Figure 2 This utility model Figure 1 AA view.

[0014] Figure 3 This utility model Figure 1 BB view.

[0015] Figure 4 This is a schematic diagram of the cover plate structure of this utility model.

[0016] Figure 5 This utility model Figure 4 The CC view. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Please see Figure 1-5 This utility model discloses a magnetically self-fixed leak-proof aluminum electrolysis cell temperature acquisition unit, comprising a base 1, a cover plate 4, a high-temperature resistant magnet, a temperature sensor, and a mechanical temperature control switch. The base 1 has an open groove inside, with a magnet placement slot 2 and a switch placement through hole 3 on the bottom plate of the groove. The high-temperature resistant magnet is placed in the magnet placement slot 2, and the mechanical temperature control switch is placed in the switch placement through hole 3. The cover plate 4 has an opening in the groove and a connecting through hole 5. The cover plate 4 is bolted to the bottom plate of the groove. The temperature sensor is located on the upper end of the cover plate 4. One end of the mechanical temperature control switch is electrically connected to the temperature sensor through the connecting through hole 5, and the other end of the mechanical temperature control switch has a high-temperature wire.

[0019] In this specific implementation, two magnet placement slots 2 are provided, symmetrically arranged on both sides of the switch placement through hole 3. Fixed threaded holes are provided on both sides of the switch placement through hole 3, allowing the mechanical temperature control switch to be fixed to the groove base plate using screws. A cavity for accommodating the mechanical temperature control switch is provided in the middle of the cover plate 4. A connecting through hole 5 is located on the cover plate 4 above the cavity. The cover plate 4 is slightly smaller than the groove, allowing the cover plate 4 to descend. The sides of the cavity press against the high-temperature resistant magnet. The connecting bolts between the cover plate 4 and the groove base plate are high-temperature resistant bolts. The high-temperature resistant magnet is a high-temperature resistant samarium cobalt magnet.

[0020] In use, a high-temperature resistant samarium cobalt magnet is placed in the magnet placement slot and fixed with Teflon tape. The mechanical temperature control switch is installed in the switch placement through hole, and the cover plate is closed. The mechanical temperature control switch is placed in the groove of the base. The temperature sensor is located on the other side of the cover plate, outside the groove of the base. The mechanical temperature control switch is electrically connected to the temperature sensor through the connecting through hole. After installation, the acquisition unit is magnetically attached to the acquisition point. The temperature sensor acquires the temperature, but if the temperature exceeds the set threshold value, the mechanical temperature control switch disconnects and the signal is transmitted back through the high-temperature wire.

[0021] Finally, it should be noted that the above-described embodiments are merely specific implementations of this utility model, used to illustrate the technical solution of this utility model, and not to limit it. The protection scope of this utility model is not limited thereto. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that any person skilled in the art can still modify or easily conceive of changes to the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some of the technical features, within the technical scope disclosed in this utility model. These modifications, changes, or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model, and should all be covered within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A temperature acquisition unit for a magnetically self-fixed leak-proof aluminum electrolysis cell, characterized in that: The device includes a base, a cover plate, a high-temperature resistant magnet, a temperature sensor, and a mechanical temperature control switch. The base has an open groove inside, and the bottom plate of the groove has a magnet placement slot and a switch placement through hole. The high-temperature resistant magnet is placed in the magnet placement slot, and the mechanical temperature control switch is placed in the switch placement through hole. The cover plate has an opening at the groove, and a connecting through hole on the cover plate. The cover plate and the bottom plate of the groove are bolted together. The temperature sensor is located at the upper end of the cover plate. One end of the mechanical temperature control switch is electrically connected to the temperature sensor through the connecting through hole, and the other end of the mechanical temperature control switch is provided with a high-temperature wire.

2. The temperature acquisition unit for the magnetically self-fixed leak-proof aluminum electrolytic cell according to claim 1, characterized in that: Two magnet placement slots are provided, symmetrically arranged on both sides of the switch placement through hole.

3. The temperature acquisition unit for the magnetically self-fixed leak-proof aluminum electrolytic cell according to claim 1, characterized in that: The switch placement through hole is provided with fixing threaded holes on both sides.

4. The temperature acquisition unit for the magnetically self-fixed leak-proof aluminum electrolytic cell according to claim 1, characterized in that: The cover plate has a cavity in the middle to accommodate a mechanical temperature control switch, and a connecting through hole is provided on the cover plate above the cavity.

5. The temperature acquisition unit for the magnetically self-fixed leak-proof aluminum electrolytic cell according to claim 1, characterized in that: The bolts mentioned are high-temperature resistant bolts.

6. The temperature acquisition unit for the magnetically self-fixed leak-proof aluminum electrolytic cell according to claim 1, characterized in that: The high-temperature resistant magnet is a high-temperature samarium cobalt magnet.

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