Electric furnace electrode position adjusting device

Abstract

The utility model discloses an electric furnace electrode position adjusting device which comprises a base, a vertical frame is fixedly installed on the top of the base, a liftable electrode clamping lifting arm is arranged on one side of the vertical frame, an electrode body is clamped and fixed in the electrode clamping lifting arm, and installation plates are symmetrically arranged at the top ends of the two corresponding side walls of the vertical frame. A mounting rod is rotationally arranged between the two mounting plates, a first chain wheel and a second chain wheel are symmetrically fixed to the two ends of the two mounting rods respectively, and stainless steel chains are connected to the outer sides of the first chain wheel and the second chain wheel in a meshed mode, the electric furnace electrode position adjusting device does not need direct participation of a post worker in the whole electrode lifting process, and the risk that people are hurt by high temperature is avoided; power failure is not needed when the height of the electrode is controlled, unnecessary cooling times of hot slag are reduced, electric energy and heat energy are saved, displacement of the stainless steel chain driving the electrode to ascend and descend is converted into electric signals through the encoder and fed back to a computer for display, and accurate control over the height of the electrode is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric furnace equipment technical field, concretely is a kind of electric furnace electrode position adjusting device. BACKGROUND

[0002] Hot slag mineral rock wool industry is the use of hot slag sensible heat energy production inorganic fiber cotton environmental protection industry, key process procedure is hot slag smelting conditioning and high-speed centrifugal fiber production, in the production process of mineral rock wool product, fiber quality is one of the key quality indicators of national standard and customer concern, it is closely related to the smelting temperature of hot slag.Electric furnace for producing mineral rock wool uses graphite electrode to complete the melting of cold material and the heating and homogenization of hot slag.The depth of graphite electrode inserted into hot slag has guiding significance for zoned heating and intermittent heat preservation of electric furnace.Due to the intermittent addition of hot slag into electric furnace, the amount and level of molten slag in electric furnace fluctuate frequently, and the height of electrode also needs to be adjusted frequently.

[0003] Currently, hot slag mineral rock wool production line uses manual measurement of the length of the extended electrode to judge the depth of the inserted electrode, this method has three defects, which seriously affects the smelting temperature control of hot slag.(1) There is loss in the heating process of the electrode in the furnace, the difference between the original length and the length of the extended electrode cannot reflect the actual depth of the electrode in the molten slag.(2) The whole process of measuring the length of the electrode needs to be powered off to prevent personnel injury caused by misoperation during the measurement process, and power failure will cause the hot slag to be cooled down periodically, which is not conducive to the temperature control of the subsequent slag discharge.(3) There is uncertainty of human factors in manual measurement of the length of the extended electrode, the measured results have errors due to different operations of workers in different shifts, a unified standard cannot be formed, the measured data is inaccurate, and the electrode height control has no guiding effect.

[0004] The depth of the electrode inserted into the molten slag needs to be continuously tracked in the production process, the height of the electrode cannot be effectively controlled at present or needs to be measured with power off, therefore, we propose an electric furnace electrode position adjusting device. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an electric furnace electrode position adjusting device to solve the problems in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an electric furnace electrode position adjusting device, comprising a base, a stand is fixedly installed on the top of the base, a liftable electrode clamping lifting arm is arranged on one side of the stand, and an electrode body is clamped and fixed in the electrode clamping lifting arm, a mounting plate is symmetrically arranged at the top of the corresponding two side walls of the stand, a mounting rod is rotatably arranged between the two mounting plates, first and second chain wheels are symmetrically fixed at the two ends of the two mounting rods, and a stainless steel chain is meshingly connected to the outer sides of the first and second chain wheels.

[0007] Preferably, the stand is symmetrically provided with a fixed plate away from one side of the electrode clamping lifting arm, and a transmission rod is rotatably arranged between the two fixed plates, the transmission rod is symmetrically fixed with a third sprocket at both ends, the stainless steel chain is engaged and connected outside the third sprocket, the end of the transmission rod is fixedly connected with a drive gear, the side wall of the stand is provided with a driving motor, and the output shaft end of the driving motor is fixed with the drive gear, the side wall of the stand is fixedly provided with an encoder, and the output shaft end of the encoder is provided with an encoder gear, the encoder gear is engaged and connected with the drive gear, one end of the stainless steel chain is fixedly connected with the base, and the other end of the stainless steel chain is connected with the electrode clamping lifting arm.

[0008] Preferably, the electrode clamping lifting arm comprises a support plate, and the support plate is connected to the side wall of the stand in a lifting manner, the top of the support plate is symmetrically provided with a fixed ring, and the ends of the two stainless steel chains away from the base are fixedly connected with the two fixed rings respectively, a U-shaped groove is formed in the end of the support plate away from the stand, and an electric cylinder is mounted on the corresponding two side walls of the support plate, the piston rod end of the electric cylinder is fixedly connected with a clamping plate which extends into the U-shaped groove, the side wall of the clamping plate is slidably connected in the U-shaped groove, and the two clamping plates are clamped and fixed on the outside of the electrode body.

[0009] Preferably, an arc-shaped groove is formed in one side of the clamping plate located on the electrode body, and an anti-skid pad is arranged in the arc-shaped groove, and the electrode body is connected in the two anti-skid pads in a matching manner.

[0010] Preferably, vertical lifting grooves are symmetrically formed in one side of the stand located on the support plate, and lifting blocks are integrally arranged in one side of the support plate located on the stand in a symmetric manner, and the lifting blocks are slidably connected in the lifting grooves.

[0011] Preferably, a computer display is arranged on the top of the base outside the stand, and the output pin of the encoder is connected with the computer interface of the computer display through a cable

[0012] Preferably, mounting holes are formed in the top corners of the base.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The utility model has high safety, and the whole electrode lifting process does not need the direct participation of the post worker, thereby avoiding the risk of high-temperature injury.

[0015] 2. The utility model is more energy-saving, and the electrode height does not need to be powered off during control, thereby reducing the unnecessary cooling frequency of hot slag, saving electric energy and heat energy.

[0016] 3. The utility model discloses a high control precision, through the encoder, the displacement of the electrode lifting driven by the stainless steel chain is changed into the electric signal feedback to the computer display, realizes the accurate control of electrode height.

[0017] 4. The utility model discloses can improve the quality of fiber, and the device realizes accurate control to the depth of electrode insertion hot state slag, and has guiding significance to the zoning heating and intermittent heat preservation of electric furnace, improves the quality of hot molten slag centrifugal fiber. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is overall structure schematic diagram of the utility model;

[0019] Fig. 2 It is overall structure schematic diagram of the utility model;

[0020] Fig. 3 It is electrode clamping lifting arm structure schematic diagram of the utility model.

[0021] In the drawing: 1, base; 2, stand; 3, electrode clamping lifting arm; 4, electrode body; 5, stainless steel chain; 6, fixed ring; 7, mounting plate; 8, mounting rod; 9, first sprocket; 10, second sprocket; 11, fixed plate; 12, transmission rod; 13, third sprocket; 14, encoder; 15, computer display; 16, support plate; 17, electric cylinder; 18, clamping plate; 19, non-slip mat; 20, lifting groove; 21, drive gear; 22, drive motor; 23, encoder gear. DETAILED DESCRIPTION

[0022] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0023] Please refer to Figs. 1-3 The utility model provides a kind of technical scheme: a kind of electric furnace electrode position adjusting device, including base 1, the top of base 1 is fixedly installed with stand 2, one side of stand 2 is provided with liftable electrode clamping lifting arm 3, and electrode body 4 is clamped and fixed in electrode clamping lifting arm 3, and the top of the two side walls corresponding to stand 2 is symmetrically provided with mounting plate 7, and mounting rod 8 is rotatably arranged between two mounting plates 7, and the two ends of two mounting rods 8 are symmetrically fixed with first sprocket 9 and second sprocket 10, and the outside of first sprocket 9 and second sprocket 10 is engaged with stainless steel chain 5.

[0024] It should be noted that the utility model replaces the electrode or the electrode zero reset, through the control driving motor 22 work makes driving gear 21 rotation, further make transmission rod 12 rotation, third sprocket 13 on transmission rod 12 rotation, through the transmission connection of third sprocket 13, first sprocket 9 and second sprocket 10 through stainless steel chain 5, can drive support plate 16 to lift, the electrode clamping lifting arm 3 is lowered to zero position while loosening electrode body 4, with the prepared electrode body 4 of crown crane is inserted into electrode clamping lifting arm 3, two electric cylinders 17 work electrode body 4 is clamped and fixed between two clamping plates 18, until electrode body 4 reaches the bottom of the furnace and stops, electrode clamping lifting arm 3 clamps electrode body 4, at this time, the bottom of electrode body 4 and the relative position of clamping plate 18 are fixed, and the computer display 15 displays the bottom position of electrode body 4 as "0" position. The computer display 15 inputs the signal of rising or falling, and the electrode clamping lifting arm 3 starts to rise and fall, drives the displacement of the stainless steel chain 4, and the encoder gear 23 rotates, and the gear movement is converted into an electrical signal by the encoder 14, and the lifting height of the electrode and the distance between the bottom of the electrode body 4 and the furnace bottom are intuitively reflected on the computer display 7.

[0025] The fixed plate 11 is symmetrically arranged on the side of the stand 2 away from the electrode clamping lifting arm 3, and the transmission rod 12 is rotatably arranged between the two fixed plates 11. The third sprocket 13 is symmetrically fixed to the two ends of the transmission rod 12. The stainless steel chain 5 is engagedly connected to the outside of the third sprocket 13. The drive gear 21 is fixedly connected to the end of the transmission rod 12. The driving motor 22 is installed on the side wall of the stand 2, and the output shaft end of the driving motor 22 is fixed with the drive gear 21. The encoder 14 is fixedly installed on the side wall of the stand 2, and the output shaft end of the encoder 14 is provided with the encoder gear 23. The encoder gear 23 is engagedly connected with the drive gear 21. One end of the stainless steel chain 5 is fixedly connected with the base 1, and the other end of the stainless steel chain 5 is connected with the electrode clamping lifting arm 3.

[0026] It should be noted that the control system of the device controls the driving motor 22 to work to rotate the driving gear 21. The driving gear 21 rotates to rotate the transmission rod 12. The two third sprockets 13 rotate to move the stainless steel chain 5. The stainless steel chain 5 can drive the support plate 16 to rise and fall, so as to control the electrode body 4 to rise and fall. The engagement connection of the driving gear 21 and the encoder gear 23 enables the encoder to detect the gear movement.

[0027] The electrode clamping lifting arm 3 comprises a support plate 16 which is connected to the side wall of the stand 2 in a liftable manner, the top of the support plate 16 is symmetrically provided with a fixed ring 6, the ends of the two stainless steel chains 5 away from the base 1 are fixedly connected with the two fixed rings 6 respectively, the end of the support plate 16 away from the stand 2 is provided with a U-shaped groove, the corresponding two side walls of the support plate 16 are both provided with an electric cylinder 17, the piston rod end of the electric cylinder 17 is fixedly connected with a clamping plate 18 which is slidably connected in the U-shaped groove, and the two clamping plates 18 are clamped and fixed on the outside of the electrode body 4.

[0028] It should be noted that when the electrode body 4 is installed, the electrode body 4 is placed between the two clamping plates 18 by the crown block, and the two clamping plates 18 are controlled by the electric cylinder 17 to clamp and fix the electrode body 4.

[0029] An arc-shaped groove is formed in one side of the clamping plate 18 which is located at one side of the electrode body 4, and a non-slip pad 19 is arranged in the arc-shaped groove, and the electrode body 4 is connected with the two non-slip pads 19.

[0030] It should be noted that the arc-shaped groove is arranged to facilitate cooperation with the electrode body 4, and the non-slip pad 19 is arranged to enable the clamping plate 18 to stably clamp the electrode body 4.

[0031] A vertical lifting groove 20 is symmetrically formed in one side of the stand 2 which is located at one side of the support plate 16, and a lifting block is integrally arranged in one side of the support plate 16 which is located at one side of the stand 2, and the lifting block is slidably connected in the lifting groove 20.

[0032] It should be noted that during the lifting of the support plate 16, the lifting block on the support plate 16 is slidably arranged in the lifting groove 20 on the support plate 16, which can ensure the stable lifting of the support plate 16.

[0033] A computer display 15 is arranged on the top of the base 1 which is located outside the stand 2, and the output pin of the encoder 14 is connected with the computer interface of the computer display 15 through a cable.

[0034] It should be noted that the gear motion is converted into an electrical signal by the encoder 14, which can directly reflect the lifting height of the electrode and the distance between the bottom of the electrode body 4 and the furnace bottom on the computer display 7.

[0035] Mounting holes are formed in the top corners of the base 1.

[0036] It should be noted that the mounting holes can be used to stably install the base 1 on the supporting surface by bolts, thereby ensuring the stability of the device.

[0037] In the description of the utility model, need understanding is, the term "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and so on indicate the orientation or positional relationship is based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply the device or element indicated must have a particular orientation, with a particular orientation structure and operation, therefore cannot be understood as a restriction on the utility model.

[0038] In addition, the terms "first", "second", "third", "fourth" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features, therefore, the features limited by "first", "second", "third", "fourth" can be explicitly or implicitly include at least one feature.

[0039] In the utility model, unless otherwise expressly provided and limited, the terms "installation", "arrangement", "connection", "fixing", "screw connection" and so on should be understood broadly, for example, can be fixedly connected, can also be detachably connected, or integrated, can be mechanically connected, can also be electrically connected, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication or interaction relationship between two elements, unless otherwise expressly limited, for ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0040] Although the embodiments of the utility model have been shown and described, for ordinary skilled in the art, it can be understood that the embodiments can be changed, modified, replaced and changed in various ways without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and its equivalents.

Claims

1. An electric furnace electrode position adjustment device, characterized in that, The utility model provides a kind of electrode holder lifting arm, including base (1), the top of the base (1) is fixedly installed with stand (2), one side of the stand (2) is provided with liftable electrode holder lifting arm (3), and electrode holder lifting arm (3) is clamped and fixed with electrode body (4) inside, the top of the stand (2) is symmetrically provided with mounting plate (7) corresponding two side walls, and two mounting plates (7) are rotatably provided with mounting rod (8) between, the both ends of two the mounting rod (8) are fixed with first sprocket (9) and second sprocket (10) in symmetry, and the outside of first sprocket (9) and second sprocket (10) is engaged with stainless steel chain (5).

2. An electrode position adjustment device for an electric furnace according to claim 1, characterized by: The side of the stand (2) away from electrode holder lifting arm (3) is symmetrically provided with fixed plate (11), and two fixed plates (11) are rotatably provided with transmission rod (12) between, the both ends of the transmission rod (12) are fixed with third sprocket (13) in symmetry, the outside of the third sprocket (13) is engaged with stainless steel chain (5), the end of the transmission rod (12) is fixedly connected with driving gear (21), the side wall of the stand (2) is installed with driving motor (22), and the output shaft end of driving motor (22) is fixed with driving gear (21), the side wall of the stand (2) is fixedly installed with encoder (14), and the output shaft end of encoder (14) is provided with encoder gear (23), the encoder gear (23) is engaged with driving gear (21), one end of the stainless steel chain (5) is fixedly connected with base (1), and the other end of the stainless steel chain (5) is connected with electrode holder lifting arm (3).

3. An electrode position adjustment device for an electric furnace according to claim 1, characterized by: The electrode holder lifting arm (3) includes support plate (16), the support plate (16) is liftablely connected in the side wall of the stand (2), the top of the support plate (16) is symmetrically provided with fixed ring (6), the one end of two the stainless steel chain (5) away from base (1) is fixedly connected with two fixed rings (6) respectively, the end of the support plate (16) away from the stand (2) is provided with U-shaped groove, the corresponding two side walls of the support plate (16) are both installed with electric cylinder (17), the piston rod end of the electric cylinder (17) is fixedly connected with clamping plate (18) in the U-shaped groove, the side wall of the clamping plate (18) is slidably connected in the U-shaped groove, and two the clamping plate (18) is clamped and fixed on the outside of electrode body (4).

4. An electrode positioner for an electric arc furnace as defined in claim 3, wherein: The side of the clamping plate (18) located electrode body (4) is provided with arc-shaped groove, and anti-skid pad (19) is arranged in the arc-shaped groove, and the electrode body (4) is connected in two anti-skid pads (19).

5. An electrode positioner for an electric arc furnace as defined in claim 3, wherein: The side of the stand (2) located support plate (16) is symmetrically provided with vertical lifting groove (20), the side of the support plate (16) located stand (2) is symmetrically integrally provided with lifting block, and the lifting block is slidably connected in lifting groove (20).

6. An electrode positioner for an electric arc furnace as defined in claim 2, wherein: The top of the base (1) is provided with computer display (15) outside the stand (2), and the output pin of the encoder (14) is connected with the computer interface of the computer display (15) through cable.

7. An electrode positioner for an electric arc furnace as defined in claim 1, wherein: The top of the base (1) is provided with mounting hole in four corners.

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