Intermediate frequency furnace dryer and intermediate frequency furnace system

Abstract

The utility model discloses an intermediate frequency furnace dryer and an intermediate frequency furnace system, which relate to the technical field of dryers, and comprise a fixed plate, a heating component and a support frame arranged at the lower part of the fixed plate, the heating assembly comprises a heating pipe arranged on the lower portion of the fixing plate in the length direction, a power supply rod arranged on the top of the heating pipe and a temperature measuring piece arranged on the fixing plate, a plurality of positioning holes are formed in the fixing plate, the top of the heating pipe upwards penetrates through the positioning holes and is connected with the power supply rod, and the heating pipe and the temperature measuring piece are both electrically connected with the temperature controller. According to the intermediate frequency furnace drying device, the heating assembly and the temperature controller are matched with each other, drying control over the intermediate frequency furnace is achieved, smoke pollution and potential safety hazards generated in the intermediate frequency furnace drying process are effectively avoided, operation is easy, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of dryers, and in particular to a medium frequency furnace dryer and a medium frequency furnace system. Background Art

[0002] The anode of the medium frequency furnace in the electrolytic aluminum industry needs to be relined after a certain frequency of use. This is mainly because long-term high-temperature operation will lead to aging of the lining material, structural fatigue, and residue accumulation, which will affect the working efficiency and safety of the medium frequency furnace. After the masonry is completed, drying the lining is an essential step. Drying can quickly evaporate the moisture in the lining to avoid explosion hazards caused by water vapor during the working process. It also helps to improve the strength and stability of the lining and ensure the safe and stable operation of the medium frequency furnace.

[0003] At present, the traditional drying method in the drying process of the medium frequency furnace lining in the electrolytic aluminum industry usually adopts charcoal fire baking or uses the residual electrode blocks with higher temperature for drying. This method will produce a large amount of smoke and harmful gas emissions during operation, which may cause pollution to the surrounding environment. At the same time, charcoal fire baking and high-temperature residual electrode material drying have safety hazards, such as fire and explosion risks, which may cause danger to personnel and equipment.

[0004] Therefore, how to deal with the smoke pollution and safety hazards generated during the drying process of the medium frequency furnace in the prior art is an issue that needs to be solved urgently. Utility Model Content

[0005] In view of the smoke pollution and safety hazards generated during the drying process of the medium frequency furnace in the prior art, the utility model provides the following technical solutions:

[0006] The utility model provides a medium frequency furnace dryer, comprising a fixed plate, a heating component and a supporting frame arranged at the lower part of the fixed plate, the heating component comprising a heating tube arranged at the lower part of the fixed plate along the length direction, a power supply rod arranged at the top of the heating tube and a temperature measuring component arranged on the fixed plate, a plurality of positioning holes are arranged on the fixed plate, the top of the heating tube is upwardly penetrated through the positioning holes, the top of the heating tube is connected to the power supply rod, and the heating tube and the temperature measuring component are both electrically connected to a temperature controller.

[0007] Furthermore, the fixing plate is circular, and a plurality of the positioning holes are evenly distributed on the fixing plate along the circumferential direction of the fixing plate.

[0008] Furthermore, corresponding peripheral mesh plates and top mesh plates are fixed to the periphery and top of the fixed plate respectively, and the peripheral mesh plates and the top mesh plates are perpendicular to each other.

[0009] Furthermore, the peripheral mesh plate and the top mesh plate are fixedly connected to the fixing plate via a bolt assembly.

[0010] Furthermore, the support frame includes a plurality of support vertical rods arranged along the length direction of the heating tube, and a plurality of support cross rods fixed at the bottom of the two adjacent support vertical rods, the plurality of support vertical rods are parallel to each other, and the support cross rods and the support vertical rods are perpendicular to each other.

[0011] Furthermore, a lifting ear is fixed to the upper part of one of the supporting vertical rods and the other supporting vertical rod opposite to it, respectively. The lifting ear is integrally fitted with the outer surface of the peripheral mesh plate along the length direction, and the top of the lifting ear is higher than the plane where the top mesh plate is located.

[0012] Furthermore, the power supply rod is vertically fixed above the fixing plate, the top mesh plate is provided with an opening for the power supply rod to pass through, and the power supply rod passes through the opening along the length direction and is connected to the power distribution cabinet through electric wires.

[0013] Furthermore, the heating tube is a U-shaped electric heating tube.

[0014] Furthermore, the temperature measuring component is a thermocouple.

[0015] Based on the above-mentioned inventive concept, the utility model can also provide a medium frequency furnace system, including a medium frequency furnace, in which the above-mentioned medium frequency furnace dryer is built.

[0016] Compared with the prior art, the utility model has achieved the following technical effects:

[0017] The utility model realizes the drying control of the medium frequency furnace through the mutual cooperation of the heating component and the temperature controller, effectively avoids the smoke pollution and safety hazards generated in the process of drying the medium frequency furnace, and has simple operation and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0019] Figure 1 A schematic diagram of the structure of a medium frequency furnace dryer provided in an embodiment of the utility model;

[0020] Figure 2 A structural schematic diagram of a fixing plate of a medium frequency furnace dryer provided in an embodiment of the utility model:

[0021] Figure 3 Another structural schematic diagram of a medium frequency furnace dryer provided in an embodiment of the utility model.

[0022] Among them: 1-fixed plate, 101-positioning hole, 2-support frame, 201-support vertical rod, 202-support horizontal rod, 3-heating tube, 4-power supply rod, 5-temperature measuring component, 6-peripheral mesh plate, 7-top mesh plate, 8-bolt assembly, 9-lifting ear. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is sought, but merely represents the selected embodiments of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0024] like Figures 1 to 3 As shown, an embodiment of the utility model provides a medium frequency furnace dryer, including a fixed plate 1, a heating assembly and a supporting frame 2 arranged at the lower part of the fixed plate, the heating assembly includes a heating tube 3 arranged at the lower part of the fixed plate 1 along the length direction, a power supply rod 4 arranged at the top of the heating tube 3 and a temperature measuring component 5 arranged on the fixed plate 1, a plurality of positioning holes 101 are provided on the fixed plate 1, the top of the heating tube 3 is arranged to pass through the positioning hole 101 upward, the top of the heating tube 3 is connected to the power supply rod 4, and the heating tube 3 and the temperature measuring component 5 are both electrically connected to the temperature controller.

[0025] The utility model realizes the drying control of the medium frequency furnace through the mutual cooperation of the heating component and the temperature controller, effectively avoids the smoke pollution and safety hazards generated in the process of drying the medium frequency furnace, and has simple operation and strong practicality.

[0026] like Figure 2 As shown, preferably, the fixing plate 1 in the embodiment of the utility model is circular, and a plurality of positioning holes 101 are evenly distributed on the fixing plate 1 along the circumferential direction of the fixing plate 1 .

[0027] The evenly distributed positioning holes 101 can ensure that the connection points between the fixing plate and the heating tube 3 are evenly distributed, thereby improving the stability and bearing capacity of the overall structure, and can also ensure that the heating tube dries the intermediate frequency furnace evenly.

[0028] Preferably, the fixed plate 1 in the embodiment of the utility model is respectively fixed with corresponding peripheral mesh plates 6 and top mesh plates 7 on the periphery and top, and the peripheral mesh plates and the top mesh plates are perpendicular to each other.

[0029] The setting of the peripheral mesh plate and the top mesh plate can increase air circulation and promote heat dissipation, thereby effectively improving the drying efficiency, improving the stability and working efficiency of the equipment, and at the same time, it can prevent dust, debris and other external objects from entering the medium frequency furnace dryer as much as possible, protect the internal components from pollution or damage, and extend the service life of the equipment.

[0030] Preferably, the peripheral mesh plate 6 and the top mesh plate 7 in the embodiment of the utility model are fixedly connected to the fixing plate 1 through a bolt assembly 8 .

[0031] The bolt connection method has the characteristics of simple structure, convenient installation and easy disassembly, and can provide sufficient fixing force to ensure the stable connection between the peripheral mesh plate 6 and the top mesh plate 7 and the fixing plate 1.

[0032] Preferably, the support frame 2 in the embodiment of the utility model includes a plurality of support vertical rods 201 arranged along the length direction of the heating tube 3, and a plurality of support cross rods 202 fixed at the bottom of each pair of adjacent support vertical rods 201, the plurality of support vertical rods 201 are parallel to each other, and the support cross rods 202 and the support vertical rods 201 are perpendicular to each other.

[0033] The arrangement of the supporting vertical rods 201 and the supporting horizontal rods 202 forms a stable frame structure, which can effectively support the intermediate frequency furnace dryer, prevent the heating tube from shaking or tilting during operation, and reduce the probability of accidents.

[0034] Preferably, one of the support vertical rods 201 and the other support vertical rod 201 opposite thereto in the embodiment of the utility model are respectively fixed with a lifting ear 9 on their upper parts, the lifting ear 9 is integrally fitted with the outer surface of the peripheral mesh plate 6 along the length direction, and the top of the lifting ear 9 is higher than the plane where the top mesh plate 7 is located.

[0035] The lifting ears integrally fit the outer surface of the peripheral mesh plate along the length direction, which helps to further reinforce the structure, making it stronger, and convenient transfer can be achieved through the lifting ears during transportation and use.

[0036] like Figure 3 As shown, preferably, the power supply rod 4 in the embodiment of the utility model is vertically fixed above the fixed plate 1, and the top mesh plate 7 is provided with an opening for the power supply rod 4 to pass through, and the power supply rod 4 passes through the opening along the length direction and is connected to the distribution cabinet through wires.

[0037] The power supply pole is directly connected to the distribution cabinet through the opening of the top mesh plate, which simplifies the arrangement and connection of wires and makes the installation and maintenance of power supply more convenient.

[0038] Preferably, the heating tube 3 in the embodiment of the utility model is a U-shaped electric heating tube.

[0039] The U-shaped electric heating tube has a larger curved surface compared to the straight heating tube, so the surface area of ​​the heating tube 3 can be increased, thereby improving the heating efficiency.

[0040] Preferably, the temperature measuring element 5 in the embodiment of the utility model is a thermocouple.

[0041] The working principle of the thermocouple is simple and reliable, not easily affected by external interference, has high corrosion resistance and high temperature resistance, and can operate stably for a long time under high temperature environmental conditions.

[0042] Based on the above-mentioned inventive concept, the embodiment of the utility model can also provide a medium frequency furnace system, including a medium frequency furnace and the medium frequency furnace dryer in the above-mentioned embodiment. The medium frequency furnace is a device in the prior art and will not be described in detail here.

[0043] The medium frequency furnace mainly includes a medium frequency generator and a furnace cavity. There is cooling water in the copper tube of the medium frequency generator. The above-mentioned medium frequency furnace dryer is placed in the furnace cavity. The gap between it and the furnace cavity is preferably between 45-50mm. A quartz sand layer is also provided between the medium frequency furnace and the medium frequency furnace dryer. In practice, the size of the required medium frequency furnace dryer can be further determined according to the size of the furnace cavity.

[0044] It can be seen that the utility model realizes the drying control of the medium frequency furnace through the mutual cooperation of the heating component and the temperature controller, effectively avoids the smoke pollution and safety hazards generated during the drying process of the medium frequency furnace, and is simple to operate and highly practical.

[0045] It should be noted that, for those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is limited by the attached claims rather than the above description, so it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the present invention, and any figure mark in the claims should not be regarded as limiting the claims involved.

[0046] The utility model uses specific examples to illustrate the principles and implementation methods of the utility model. The above are only preferred implementation methods of the utility model and are not used to limit the utility model. For those skilled in the art, the utility model can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made to it without departing from the principle and spirit of the utility model shall be included in the protection scope of the utility model.

Claims

1. A medium frequency furnace dryer, characterized in that: The invention comprises a fixed plate (1), a heating component and a support frame (2) arranged at the bottom of the fixed plate, wherein the heating component comprises a heating tube (3) arranged at the bottom of the fixed plate (1) along the length direction, a power supply rod (4) arranged at the top of the heating tube (3) and a temperature measuring component (5) arranged on the fixed plate (1), wherein the fixed plate (1) is provided with a plurality of positioning holes (101), the top of the heating tube (3) is arranged to pass through the positioning holes (101) upwards, the top of the heating tube (3) is connected to the power supply rod (4), and the heating tube (3) and the temperature measuring component (5) are both electrically connected to a temperature controller.

2. The medium frequency furnace dryer according to claim 1, characterized in that: The fixing plate (1) is circular, and a plurality of the positioning holes (101) are evenly distributed on the fixing plate (1) along the circumferential direction of the fixing plate (1).

3. The medium frequency furnace dryer according to claim 1, characterized in that: The outer periphery and top of the fixed plate (1) are respectively fixed with corresponding outer periphery mesh plates (6) and top mesh plates (7), and the outer periphery mesh plates and the top mesh plates are perpendicular to each other.

4. The medium frequency furnace dryer according to claim 3, characterized in that: The peripheral mesh plate (6) and the top mesh plate (7) are fixedly connected to the fixing plate (1) via a bolt assembly (8).

5. The medium frequency furnace dryer according to claim 3, characterized in that: The support frame (2) comprises a plurality of support vertical rods (201) arranged along the length direction of the heating tube (3), and a plurality of support cross rods (202) fixed at the bottom of each of the two adjacent support vertical rods (201); the plurality of support vertical rods (201) are parallel to each other, and the support cross rods (202) and the support vertical rods (201) are perpendicular to each other.

6. The medium frequency furnace dryer according to claim 5, characterized in that: A lifting ear (9) is fixed to the upper part of one of the supporting vertical rods (201) and the other supporting vertical rod (201) opposite thereto, respectively. The lifting ear (9) is integrally fitted with the outer surface of the peripheral mesh plate (6) along the length direction, and the top of the lifting ear (9) is higher than the plane where the top mesh plate (7) is located.

7. The medium frequency furnace dryer according to claim 3, characterized in that: The power supply rod (4) is vertically fixed above the fixed plate (1), and the top mesh plate (7) is provided with an opening for the power supply rod (4) to pass through. The power supply rod (4) passes through the opening along the length direction and is connected to the distribution cabinet via electric wires.

8. The medium frequency furnace dryer according to claim 1, characterized in that: The heating tube (3) is a U-shaped electric heating tube.

9. The medium frequency furnace dryer according to claim 1, characterized in that: The temperature measuring element (5) is a thermocouple.

10. An intermediate frequency furnace system, comprising an intermediate frequency furnace, characterized in that: The medium frequency furnace dryer as described in any one of claims 1 to 9 is built into the medium frequency furnace.

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