Calcium carbide furnace electrode automatic lifting and current adjusting device

Abstract

The utility model relates to the technical field of smelting industry, and discloses an automatic electrode lifting and current adjusting device for a calcium carbide furnace. According to the automatic electrode lifting and current adjusting device for the calcium carbide furnace, through the arrangement of the detection mechanism, the control table and the lifting hydraulic rod, the length sensor and the conductivity sensor transmit signal data to the control table system, and the control table built-in system automatically calculates and dynamically adjusts the optimal current value and the electrode lifting speed according to real-time data; the control console automatically operates the lifting hydraulic rod to adjust the lifting speed, when problems occur in the working process, a control console system can conduct fault diagnosis and implement a protection mechanism according to real-time data, high safety and reliability of the device are ensured, the lifting hydraulic rod conducts automatic lifting adjustment according to the real-time situation, and the safety and reliability of the device are improved. The automation level and the control precision of electric arc furnace smelting are remarkably improved, electrode consumption and manual intervention are reduced, the electric arc stability is improved, and then the smelting efficiency and the product quality are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to smelting industrial technical field especially relates to calcium carbide furnace electrode automatic lifting and current regulating device. BACKGROUND

[0002] The automatic control technology innovation focuses on the calcium carbide furnace smelting field, and the traditional manual and simple automatic control device cannot accurately respond to the real-time changes of the arc length and the electrical conductivity in the calcium carbide furnace smelting, resulting in low smelting efficiency, excessive electrode consumption and unstable quality.

[0003] In the announcement No. CN212512517U, a non-ferrous metal smelting electric furnace electrode automatic lifting device is disclosed, which includes a clamping ring and a base, the right end of the clamping ring is provided with a protective pad, and the left end of the clamping ring is provided with a push plate, the push plate is provided with a sliding groove below, and the sliding groove is provided with a sliding block below, the left end of the sliding block is provided with a lead screw below, and the right end of the lead screw is provided with a coupling, the left end of the lead screw is provided with a support plate above, the left end of the fixed plate is provided with a first hydraulic rod below, the left end of the rotating seat is provided with a stable seat below, and the base is located below the left end of the screw. Compared with the existing ordinary electrode lifting device, the non-ferrous metal smelting electric furnace electrode automatic lifting device increases the structure and greatly improves the use performance of the whole electrode lifting device, and the improved electrode lifting device has a clamping electrode equipment height adjusting structure and an automatic clamping structure, which effectively meets the use requirements of people.

[0004] The above-mentioned patent can realize the increase of the structure, greatly improve the use performance of the whole electrode lifting device, and the improved electrode lifting device has a clamping electrode equipment height adjusting structure and an automatic clamping structure; but the device cannot automatically control the electrode lifting speed, cannot accurately respond to the real-time changes of the arc length and the electrical conductivity in the calcium carbide furnace smelting, resulting in low smelting efficiency, excessive electrode consumption and unstable quality.

[0005] Therefore, it is necessary to invent a calcium carbide furnace electrode automatic lifting and current regulating device to solve the above-mentioned problems. Utility model content

[0006] (1) The technical problem solved

[0007] The utility model solves the technical problem of providing a higher practicality, and can through simple operation, the electrode automatic lifting and current regulating device of simple structure of calcium carbide furnace, solve the problem of unable to automatically control electrode lifting speed in the background art, can not accurately respond to the real-time change of electric arc length and electric conductivity in calcium carbide furnace smelting, thereby leading to smelting efficiency, electrode consumption is too fast and quality unstable.

[0008] (II) Technical solutions

[0009] In order to achieve the above object, the utility model discloses a calcium carbide furnace electrode automatic lifting and current regulating device, including motor base, the surface screw thread connection servo motor of motor base, the output fixed connection of servo motor has rotary platform, the surface screw thread connection of rotary platform has lifting hydraulic rod, the output fixed connection of lifting hydraulic rod has clamping base, the surface fixed connection of clamping base has clamping mechanism, clamping mechanism includes telescopic hydraulic rod, clamping plate, clamping arm, connecting plate and rotary plate, the surface of motor base is provided with control cabinet, one side of control cabinet is electrically connected with detection mechanism through power line, detection mechanism includes length sensor and electric conductivity sensor, the lower portion of clamping base is provided with furnace body.

[0010] As a further scheme of the utility model, the telescopic hydraulic rod is fixedly connected to the surface of the clamping base, the output end surface of the telescopic hydraulic rod is connected with the clamping plate, both ends of the clamping plate are rotatably connected with two sets of clamping arms, the output end of the telescopic hydraulic rod is fixedly connected with the connecting plate, both ends of the connecting plate are rotatably connected with the rotary plate, the telescopic hydraulic rod is provided to clamp the electrode, and the length of the telescopic hydraulic rod can adjust the clamping force of the clamping arm.

[0011] As a further scheme of the utility model, one end of the rotary plate is rotatably connected to the clamping arm, and a cavity is arranged in the clamping arm. The cavity facilitates the rotation of the rotary plate.

[0012] As a further scheme of the utility model, the length sensor is electrically connected to one side of the control cabinet through a power line, and the electric conductivity sensor is electrically connected to one side of the control cabinet through a power line. The electric conductivity sensor is arranged to measure the electric conductivity of the molten liquid in the furnace.

[0013] As a further scheme of the utility model, the surface of the length sensor is connected with a heat insulation shell, and the length sensor is arranged at the bottom of the clamping base. The length sensor is arranged to measure the length of the electrode.

[0014] As a further scheme of the utility model, the surface of the conductivity sensor is connected with a furnace body, three groups of electrode ports are arranged on the upper surface of the furnace body, and the three groups of electrodes are placed through the electrode ports.

[0015] As a further scheme of the utility model, four groups of supporting rods are arranged on the surface of the motor base, the supporting rods are slidably connected to the rotating platform, and an annular groove is arranged at the bottom of the rotating platform, so that the rotating platform is used for driving the rotation of the lifting hydraulic rod.

[0016] (Three) beneficial effects

[0017] The utility model provides calcium carbide furnace electrode automatic lifting and current regulating device has the following beneficial effects:

[0018] 1、the calcium carbide furnace electrode automatic lifting and current regulating device, through the setting of detection mechanism, control platform and lifting hydraulic rod, length sensor and conductivity sensor transmission signal data to control platform system, and the built-in system of control platform automatically calculates and dynamically adjusts the optimum current value and electrode lifting speed according to real-time data, and then the automatic operation of control platform adjusts the lifting speed of lifting hydraulic rod, when the problem appears in the working process, the control platform system can carry out fault diagnosis according to real-time data and implement protection mechanism, ensure the high safety and reliability of the device, the lifting hydraulic rod is automatically adjusted according to real-time conditions, significantly improve the automation level and control precision of electric arc furnace smelting, reduce electrode consumption and manual intervention, improve the arc stability, and then improve the smelting efficiency and product quality, reduce the failure and maintenance cost.

[0019] 2、the calcium carbide furnace electrode automatic lifting and current regulating device, through the setting of clamping mechanism, clamping base, lifting hydraulic rod and servo motor, after the electrode reaches the set position, the lifting hydraulic rod falls down, at this time, the clamping arm opens and the electrode is located in the middle of the clamping arm, the telescopic hydraulic rod is retracted to drive the clamping arm to tighten, so that the clamping arm realizes the clamping function of the electrode, ensures that the electrode does not move or loosen in the running process, the clamping force of the clamping arm can be adjusted according to the telescopic length of the telescopic hydraulic rod, the lifting hydraulic rod is started and the servo motor is started, the clamping arm drives the electrode to rotate and ascend and descend and is placed into the electrode port of the furnace body, and the automatic operation reduces manual intervention, improves production efficiency and reduces the safety hidden danger caused by improper operation. ACCURACY

[0020] Figure 1 It is the whole structure schematic view of the utility model;

[0021] Figure 2 It is the lifting mechanism structure schematic view of the utility model;

[0022] Figure 3The utility model discloses a clamping mechanism structure schematic drawing.

[0023] Figure 4 The utility model discloses a detection mechanism structure schematic drawing.

[0024] In the drawing: 1, motor base, 2, servo motor, 3, rotating platform, 4, lifting hydraulic rod, 5, clamping base, 6, clamping mechanism, 601, telescopic hydraulic rod, 602, clamping plate, 603, clamping arm, 604, connecting plate, 605, rotating plate, 7, control console, 8, detection mechanism, 801, length sensor, 802, conductivity sensor, 9, furnace body, 10, cavity, 11, heat insulation shell, 12, electrode port, 13, support rod. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Please refer to Figures 1 to 4 The utility model provides a technical scheme: calcium carbide furnace electrode automatic lifting and current regulating device, including motor base 1, the surface screw thread connection servo motor 2 of motor base 1, the output end fixed connection of servo motor 2 has rotating platform 3, the surface screw thread connection of rotating platform 3 has lifting hydraulic rod 4, the output end fixed connection of lifting hydraulic rod 4 has clamping base 5, the surface fixed connection of clamping base 5 has clamping mechanism 6, and clamping mechanism 6 includes telescopic hydraulic rod 601, clamping plate 602, clamping arm 603, connecting plate 604 and rotating plate 605, and the surface of motor base 1 is provided with control console 7, and one side of control console 7 is electrically connected with detection mechanism 8 through power line, and detection mechanism 8 includes length sensor 801 and conductivity sensor 802, and the below of clamping base 5 is provided with furnace body 9.

[0027] Please refer to Figure 1 Telescopic hydraulic rod 601 is fixedly connected to the surface of clamping base 5, and the output end surface of telescopic hydraulic rod 601 is connected with clamping plate 602, and the both ends of clamping plate 602 are rotatably connected with two groups of clamping arms 603, and the output end of telescopic hydraulic rod 601 is fixedly connected with connecting plate 604, and the both ends of connecting plate 604 are rotatably connected with rotating plate 605, and through the setting of telescopic hydraulic rod 601, the effect of clamping electrode is played, and the length of telescopic can realize the regulation of the clamping force of clamping arm 603.

[0028] Please refer to Figure 1One end of the rotating plate 605 is rotatably connected to the clamping arm 603, and the clamping arm 603 is internally provided with a cavity 10, and the cavity 10 is arranged to facilitate the rotation of the rotating plate 605.

[0029] Please refer to Figure 1 The length sensor 801 is electrically connected to one side of the control console 7 through a power line, and the control console 7 is electrically connected to the electric conductivity sensor 802 on one side through a power line, and the electric conductivity sensor 802 is arranged to measure the electric conductivity of the molten liquid in the furnace.

[0030] Please refer to Figure 1 The surface of the length sensor 801 is connected through a heat insulation shell 11, and the length sensor 801 is arranged at the bottom of the clamping base 5, and the length sensor 801 is arranged to measure the length of the electrode.

[0031] Please refer to Figure 1 The surface of the electric conductivity sensor 802 is connected through a furnace body 9, and the upper surface of the furnace body 9 is provided with three groups of electrode ports 12, and the electrode ports 12 are arranged to place three groups of electrodes.

[0032] Please refer to Figure 1 The surface of the motor base 1 is provided with four groups of supporting rods 13, and the supporting rods 13 are slidably connected to the rotating platform 3, and the bottom of the rotating platform 3 is provided with an annular groove, and the rotating platform 3 is arranged to drive the rotation of the lifting hydraulic rod 4.

[0033] The model of the length sensor 801 is REC139L, and the model of the electric conductivity sensor 802 is CLS12, and the above parameters and models can be selected according to actual conditions.

[0034] In the utility model, the working steps of the device are as follows:

[0035] The first step: the length sensor 801 and the electric conductivity sensor 802 transmit signal data to the control console 7 system, and the control console 7 built-in system automatically calculates and dynamically adjusts the optimal current value and the electrode lifting speed according to real-time data, and then the control console 7 automatically operates the lifting hydraulic rod 4 to adjust the lifting speed, and when a problem occurs during the working process, the control console 7 system can perform fault diagnosis and implement a protection mechanism according to real-time data, to ensure the high safety and reliability of the device;

[0036] Second step: after the electrode reaches the set position, the lifting hydraulic rod 4 falls down, at this time the clamping arm 603 is opened and the electrode is located in the middle of the clamping arm 603, the telescopic hydraulic rod 601 is retracted backward to drive the clamping arm 603 to tighten, so that the electrode does not move or loosen during operation, the clamping force of the clamping arm 603 can be adjusted according to the telescopic length of the telescopic hydraulic rod 601, the lifting hydraulic rod 4 and the servo motor 2 are started, the clamping arm 603 drives the electrode to rotate upward and downward and is placed into the electrode port 12 of the furnace body 9.

[0037] It should be noted that the device structure and the drawings of the utility model mainly describe the principle of the utility model, and the setting of the power mechanism, the power supply system and the control system of the device is not completely described in the technical principle of the design, and the specific of the power mechanism, the power supply system and the control system can be clearly known by the technical personnel in the field under the premise of understanding the principle of the above-mentioned utility model, and the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the technical personnel in the field;

[0038] The standard parts used can be purchased from the market, and can be ordered according to the description and drawings, and the specific connection mode of each part adopts the conventional screw, rivet, welding and other conventional means in the prior art, the mechanical parts and equipment adopt the conventional type in the prior art, and the components known by the technical personnel in the field, the structure and principle thereof are known by the technical personnel in the field through technical manual or conventional experimental method.

[0039] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principle and spirit of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A device for automatic lifting and current regulation of calcium carbide furnace electrode, comprising a motor base (1), characterized in that: The surface of the motor base (1) is screw connected with a servo motor (2), the output end of the servo motor (2) is fixedly connected with a rotating platform (3), the surface of the rotating platform (3) is screw connected with a lifting hydraulic rod (4), the output end of the lifting hydraulic rod (4) is fixedly connected with a clamping base (5), the surface of the clamping base (5) is fixedly connected with a clamping mechanism (6), the clamping mechanism (6) comprises a telescopic hydraulic rod (601), a clamping plate (602), a clamping arm (603), a connecting plate (604) and a rotating plate (605), the surface of the motor base (1) is provided with a control table (7), one side of the control table (7) is electrically connected with a detection mechanism (8) through a power line, the detection mechanism (8) comprises a length sensor (801) and an electric conductivity sensor (802), the lower portion of the clamping base (5) is provided with a furnace body (9).

2. The automatic electrode lifting and current regulating device for calcium carbide furnace according to claim 1, characterized in that: The telescopic hydraulic rod (601) is fixedly connected to the surface of the clamping base (5), the output end surface of the telescopic hydraulic rod (601) penetrates the clamping plate (602), both ends of the clamping plate (602) are rotatably connected with two groups of clamping arms (603), the output end of the telescopic hydraulic rod (601) is fixedly connected with the connecting plate (604), both ends of the connecting plate (604) are rotatably connected with the rotating plate (605).

3. The automatic electrode lifting and current regulating device for calcium carbide furnace according to claim 1, characterized in that: One end of the rotating plate (605) is rotatably connected with the clamping arm (603), the inside of the clamping arm (603) is provided with a cavity (10).

4. The automatic electrode lifting and current regulating device for calcium carbide furnace according to claim 1, characterized in that: The length sensor (801) is electrically connected to one side of the control table (7) through a power line, one side of the control table (7) is electrically connected with the electric conductivity sensor (802) through a power line.

5. The automatic electrode lifting and current regulating device for calcium carbide furnace according to claim 1, characterized in that: The surface of the length sensor (801) penetrates the heat insulation shell (11), and the length sensor (801) is arranged at the bottom of the clamping base (5).

6. The automatic electrode lifting and current regulating device for calcium carbide furnace according to claim 1, characterized in that: The surface of the electric conductivity sensor (802) penetrates the furnace body (9), and the upper surface of the furnace body (9) is provided with three groups of electrode ports (12).

7. The automatic electrode lifting and current regulating device for calcium carbide furnace according to claim 1, characterized in that: The surface of the motor base (1) is provided with four groups of supporting rods (13), the supporting rods (13) are slidably connected to the rotating platform (3), and the bottom of the rotating platform (3) is provided with an annular groove.

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