CN212227683U

CN212227683U - Equipment for accurately positioning electrode embedding depth of electric furnace

Info

Publication number: CN212227683U
Application number: CN202021056245.3U
Authority: CN
Inventors: 郭杰; 史彦龙
Original assignee: Luoyang Xiyi Intelligent Technology Co ltd
Current assignee: Luoyang Xiyi Intelligent Technology Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2020-12-25
Anticipated expiration: 2030-06-10

Abstract

The utility model discloses an equipment of accurate positioning electric stove electrode embedding degree of depth, including electric stove furnace body and stove bottom, the fixed upper surface that sets up at the stove bottom of electric stove furnace body, three fire outlet has evenly been seted up on the week side surface of electric stove furnace body, just three carbon element electrode has been placed to electric stove furnace body inside, the chassis has been placed in the outside of electric stove furnace body, and the last fixed surface of chassis installs the mount, fixedly on the mount being provided with the fire prevention heat insulating board, the roof lower fixed surface of mount is provided with the support, and the side surface of support is provided with the mounting panel. According to the equipment for accurately positioning the embedding depth of the electric furnace electrode, the carbon electrode is measured by the three-dimensional measuring frame which can move up and down along with the sliding seat, all magnetic field strengths in the XY, XZ and YZ directions can be detected by the three detection coils on the three-dimensional measuring frame, and the positions of the ends of the carbon electrode are calculated by collecting and processing through the specially designed calculating module in the controller.

Description

Equipment for accurately positioning electrode embedding depth of electric furnace

Technical Field

The utility model relates to an electric stove technical field specifically is an equipment of accurate positioning electric stove electrode buried depth.

Background

The arc furnace operator takes into account many different process conditions in controlling production, including electrical parameters, raw material ratios and, most importantly, estimated electrode tip position. In particular, determining the length of the electrode, and the position of the electrode tip, is critical to the efficient operation of the ferroalloy furnace.

The traditional measuring and positioning method mainly comprises electrode weighing, vision and probe measuring, a mathematical model method and the like, wherein the electrode weighing mainly depends on the measurement of the weight of the whole electrode column through the hydraulic pressure in a weighing sensor or a cylinder so as to estimate the length of an electrode, and the traditional measuring and positioning method has the advantages of low accuracy, high cost and inconvenient operation; the vision and probe measurement measures the length of the electrode by stopping the operation of the furnace, reducing the load and visually measuring the length through a detection port or using a probe, the detection precision is low, the measurement needs to be stopped, the continuous production is not facilitated, and meanwhile, one probe is consumed for each measurement, and the detection cost is high; the mathematical modeling method requires the creation of an empirical model for estimating the position of the electrode tip, which requires knowledge of the following parameters: 1) the original length of the electrode, 2) the rate of consumption of the electrode, 3) the position of the electrode holder, 4) the sliding displacement of the electrode, in combination with other variables (including electrical parameters such as resistance and reactance) to create a high-level model, these need to be updated periodically in actual operation some furnace-specific constants, which are effective only in the medium-short term and cannot be measured for a long time, and the maintenance cost is high.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide an accurate positioning electric stove electrode and bury equipment of degree of depth, measurement accuracy is high, and the location is accurate, has improved degree of automation, easy operation, and convenient to use does not need to shut down the operation simultaneously, does not have extra consumption, can measure for a long time, has reduced measurement cost and maintenance cost, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: an apparatus for accurately positioning the embedding depth of an electric furnace electrode comprises an electric furnace body and a furnace bottom, wherein the electric furnace body is fixedly arranged on the upper surface of the furnace bottom, three furnace outlets are uniformly formed in the circumferential side surface of the electric furnace body, three carbon electrodes are placed in the electric furnace body, a bottom frame is placed on the outer side of the electric furnace body, a fixed frame is fixedly arranged on the upper surface of the bottom frame, a fireproof heat insulation plate is fixedly arranged on the fixed frame, a support is fixedly arranged on the lower surface of a top plate of the fixed frame, a mounting plate is arranged on the side surface of the support, a controller is arranged at the bottom end of the mounting plate, the input end of the controller is electrically connected with the output end of an external power supply, a servo motor is arranged on the surface of the bottom end of the support, the, the output shaft of the servo motor is connected with the sliding seat through a transmission mechanism, a three-dimensional measuring frame is fixedly arranged on the surface of the outer side of the sliding seat, an X-direction detecting coil, a Y-direction detecting coil and a Z-direction detecting coil are respectively installed on the side surfaces of three interconnected parts on the three-dimensional measuring frame, and the output end of the X-direction detecting coil, the output end of the Y-direction detecting coil and the output end of the Z-direction detecting coil are electrically connected with the input end of the controller through wires.

As an optimal technical scheme of the utility model, the side surface upper portion and the side surface lower part of support all are provided with the photoelectric sensor, the output electricity connection director's of photoelectric sensor input, just be provided with the response piece that corresponds with the photoelectric sensor on the sliding seat.

As an optimized technical scheme of the utility model, the fire prevention heat insulating board is the asbestos board.

As an optimized technical proposal of the utility model, a ventilation groove is respectively arranged on the upper part and the lower part of one side surface of the fireproof heat insulation board far away from the electric furnace body.

As a preferred technical scheme of the utility model, X direction detection coil, Y direction detection coil and Z direction detection coil's external diameter is 12mm, and X direction detection coil, Y direction detection coil and Z direction detection coil's internal diameter and height are 8mm, just X direction detection coil, Y direction detection coil and Z direction detection coil's the coil number of turns is 800.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses the equipment of the degree of depth is buried to accurate positioning electric stove electrode of example, three-dimensional measurement frame through can following the sliding seat and reciprocate is measured the carbon electrode, three search coil on the three-dimensional measurement frame can detect XY, XZ, all magnetic field intensity in the three side of YZ, gather and handle through the calculation module of special design in the controller, calculate the position of carbon electrode tip, measurement accuracy is high, the location is accurate, the degree of automation has been improved, and the operation is simple to operate, high durability and convenient use, do not need to shut down the operation simultaneously, no extra consumption, can measure for a long time, measurement cost and maintenance cost have been reduced.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the bottom frame and the fixing frame of the present invention;

FIG. 3 is a schematic structural view of the fixing frame of the present invention;

fig. 4 is a schematic structural diagram of the bracket and the controller of the present invention;

fig. 5 is a schematic structural view of the bracket of the present invention;

FIG. 6 is a schematic side view of the present invention shown in FIG. 5;

fig. 7 is a schematic top view of fig. 5 according to the present invention.

In the figure: 1 electric furnace body, 2 furnace bottoms, 3 carbon electrodes, 4 furnace outlets, 5 underframe, 6 fixed frame, 7 ventilating groove, 8 support, 9 mounting plate, 10 controller, 11 servo motor, 12 sliding seat, 13 three-dimensional measuring frame, 14Y direction detecting coil, 15Z direction detecting coil, 16X direction detecting coil, 17 photoelectric inductor, 18 fireproof heat insulation plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: an apparatus for accurately positioning the embedding depth of an electric furnace electrode comprises an electric furnace body 1 and a furnace bottom 2, the electric furnace body 1 is fixedly arranged on the upper surface of the furnace bottom 2, three furnace outlets 4 are uniformly arranged on the circumferential side surface of the electric furnace body 1, three carbon electrodes 3 are arranged in the electric furnace body 1, the carbon electrodes 3 are fixed by an external electrode clamping frame, an underframe 5 is arranged on the outer side of the electric furnace body 1, a fixing frame 6 is fixedly arranged on the upper surface of the underframe 5, a fireproof heat insulation plate 18 is fixedly arranged on the fixing frame 6, a support 8 is fixedly arranged on the lower surface of a top plate of the fixing frame 6, a mounting plate 9 is arranged on the side surface of the support 8, a controller 10 is arranged at the bottom end of the mounting plate 9, the input end of the controller 10 is electrically connected with the output end of an external power supply, the controller 10 adopts a programmable controller, a programmed calculation program is preset in a controller 10, a servo motor 11 is installed on the surface of the bottom end side of a support 8, the input end of the servo motor 11 is electrically connected with the output end of the controller 10, a sliding groove is formed in the side surface of the support 8, a sliding seat 12 is arranged in the sliding groove in a sliding manner, the output shaft of the servo motor 11 is connected with the sliding seat 12 through a transmission mechanism, the transmission mechanism between the servo motor 11 and the sliding seat 12 is preferably in chain and gear transmission or in a gear-rack or ball screw speed reduction connection manner, a three-dimensional measuring frame 13 is fixedly arranged on the outer side surface of the sliding seat 12, an X-direction detection coil 16, a Y-direction detection coil 14 and a Z-direction detection coil 15 are respectively installed on three mutually connected side surfaces of the three-dimensional measuring frame 13, the output end of the X-direction detection coil 16, the output end of the Y-direction detection coil 14 and the output end of the Z, this equipment of accurate positioning electric stove electrode embedding degree of depth, three-dimensional measuring frame 13 through can reciprocating along with sliding seat 12 measures carbon electrode 3, three search coil on the three-dimensional measuring frame 13 can detect XY, XZ, all magnetic field intensity in the three direction of YZ, gather and handle through the specially designed calculation module in the controller 10, calculate the position of 3 tip of carbon electrode, measurement accuracy is high, the location is accurate, the degree of automation has been improved, and the operation is simple, high durability and convenient use, do not need to shut down the operation simultaneously, no extra consumption, can measure for a long time, measurement cost and maintenance cost have been reduced.

The upper portion and the lower portion of the side surface of the support 8 are respectively provided with a photoelectric inductor 17, the output end of the photoelectric inductor 17 is electrically connected with the input end of the controller 10, the controller 10 controls the servo motor 11, the photoelectric inductor 17, the X-direction detection coil 16, the Y-direction detection coil 14 and the Z-direction detection coil 15 to be common methods in the prior art, the photoelectric inductor 17 is preferably an Omron EE-SX 672U groove type photoelectric inductor, and an induction sheet corresponding to the photoelectric inductor 17 is arranged on the sliding seat 12 and used for positioning the sliding seat 12, so that the accurate position of an electrode is positioned, and meanwhile, the sliding seat 12 can be limited.

The fireproof heat insulation plate 18 is an asbestos plate and is used for playing a heat insulation protection role for measuring equipment in the fixing frame 6.

The upper part and the lower part of the surface of one side, far away from the electric furnace body, of the fireproof heat insulation plate 18 are respectively provided with a ventilation groove 7, and a forced ventilation device can be installed on the ventilation groove 7 to discharge heat in the fixing frame 6, so that the normal working temperature of the measuring equipment is ensured.

The outer diameters of the X-direction detection coil 16, the Y-direction detection coil 14 and the Z-direction detection coil 15 are all 12mm, the inner diameters and the heights of the X-direction detection coil 16, the Y-direction detection coil 14 and the Z-direction detection coil 15 are all 8mm, the number of turns of the X-direction detection coil 16, the Y-direction detection coil 14 and the Z-direction detection coil 15 is 800, the average magnetic induction intensity measured by the coils can be approximately regarded as the magnetic induction intensity of the central point of the coils, and the measurement sensitivity of the measuring equipment can be guaranteed by adopting a large detection coil.

The utility model discloses in controller 10, servo motor 11, photoelectric sensing ware 17, X direction detection coil 16, Y direction detection coil 14 and Z direction detection coil 15 etc. that use be the electronic component commonly used among the prior art, and its working method and circuit structure are the well-known technology, do not describe here any more.

When in use:

when the embedded depth of the carbon electrode 3 needs to be measured and positioned, the controller 10, the servo motor 11, the photoelectric sensor 7, the X-direction detection coil 16, the Y-direction detection coil 14 and the Z-direction detection coil 15 are opened, the servo motor 11 drives the sliding seat 12 to lift through the transmission mechanism, the sliding seat 12 drives the X-direction detection coil 16, the Y-direction detection coil 14 and the Z-direction detection coil 15 to move up and down in the vertical direction through the three-dimensional measurement frame 13, the X-direction detection coil 16, the Y-direction detection coil 14 and the Z-direction detection coil 15 measure the magnetic field intensity and transmit all the magnetic field intensities in the XY, XZ and YZ directions to the calculation module of the controller 10, the total stroke is 1600mm, the magnetic field slides in a stepping mode at the speed of 5mm per second within the range, a period of 3 minutes is used for collecting 640 data, and carrying out data processing and analysis, the position of the electrode is determined by analyzing and calculating the magnetic field intensity at different positions, and the position of the electrode is transmitted to an external display through a transmission module on the controller 10 in a wired or wireless mode, so that a worker can conveniently determine the embedding depth of the electrode.

The non-public part of the utility model is the prior art, and the concrete structure, the material and the working principle are not detailed. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an equipment of accurate positioning electric stove electrode embedded depth, includes electric stove furnace body (1) and stove bottom (2), and three furnace outlet (4) have evenly been seted up at the fixed upper surface that sets up at stove bottom (2) in electric stove furnace body (1), the week side surface of electric stove furnace body (1), just three carbon electrode (3), its characterized in that have been placed to electric stove furnace body (1) inside: an underframe (5) is placed on the outer side of the electric furnace body (1), a fixed frame (6) is fixedly installed on the upper surface of the underframe (5), a fireproof heat-insulating plate (18) is fixedly arranged on the fixed frame (6), a support (8) is fixedly arranged on the lower surface of a top plate of the fixed frame (6), a mounting plate (9) is arranged on the side surface of the support (8), a controller (10) is arranged at the bottom end of the mounting plate (9), the input end of the controller (10) is electrically connected with the output end of an external power supply, a servo motor (11) is installed on the side surface of the bottom end of the support (8), the input end of the servo motor (11) is electrically connected with the output end of the controller (10), a sliding groove is formed in the side surface of the support (8), a sliding seat (12) is arranged in the, the outer side surface of the sliding seat (12) is fixedly provided with a three-dimensional measuring frame (13), the three side surfaces which are connected with each other on the three-dimensional measuring frame (13) are respectively provided with an X-direction detecting coil (16), a Y-direction detecting coil (14) and a Z-direction detecting coil (15), and the output end of the X-direction detecting coil (16), the output end of the Y-direction detecting coil (14) and the output end of the Z-direction detecting coil (15) are electrically connected with the input end of the controller (10) through wires.

2. The apparatus for accurately positioning the buried depth of an electrode in an electric furnace according to claim 1, wherein: and the upper part and the lower part of the side surface of the support (8) are respectively provided with a photoelectric sensor (17), the output end of the photoelectric sensor (17) is electrically connected with the input end of the controller (10), and the sliding seat (12) is provided with a sensing sheet corresponding to the photoelectric sensor (17).

3. The apparatus for accurately positioning the buried depth of an electrode in an electric furnace according to claim 1, wherein: the fireproof heat insulation plate (18) is an asbestos plate.

4. The apparatus for accurately positioning the buried depth of an electrode in an electric furnace according to claim 1, wherein: and the upper part and the lower part of the surface of one side of the fireproof heat-insulating plate (18) far away from the electric furnace body are respectively provided with a ventilation groove (7).

5. The apparatus for accurately positioning the buried depth of an electrode in an electric furnace according to claim 1, wherein: the external diameter of X direction detection coil (16), Y direction detection coil (14) and Z direction detection coil (15) is 12mm, and the internal diameter and the height of X direction detection coil (16), Y direction detection coil (14) and Z direction detection coil (15) are 8mm, just the coil turns of X direction detection coil (16), Y direction detection coil (14) and Z direction detection coil (15) are 800.