Direct-reading device for measuring thickness of furnace wall of aluminum electrolysis cell

Abstract

The utility model provides a direct-reading furnace wall thickness measuring device for an aluminum electrolysis cell, and relates to the technical field of aluminum electrolysis production. The device comprises a horizontal rod, a connecting rod, a detection rod and a sliding rod, the horizontal rod and the detection rod are vertically connected with the connecting rod, and the horizontal rod and the detection rod are located on the same side of the connecting rod. The sliding rod comprises a sliding part and a positioning part vertically connected with the sliding part, the sliding part is arranged on the horizontal rod in a sleeving mode, and scales are arranged on the horizontal rod in the length direction. The device can rapidly and accurately measure furnace wall data at different positions and different heights, obtains hearth change information of the aluminum electrolysis cell, and is rapid, durable and low in cost.

Description

TECHNICAL FIELD

[0001] The utility model relates to aluminum electrolysis production technical field, specifically, relate to a kind of aluminum electrolytic cell direct-reading type measuring furnace bank thickness device. BACKGROUND

[0002] In the aluminum electrolysis production process, furnace bank is the important component of hearth, and good furnace bank is directly related to safe operation, so obtaining economic indicators, therefore, it is particularly important to timely master the change situation of electrolytic cell furnace bank during production control. In recent years, with the optimization and promotion of data management and control, electrolytic cell furnace bottom pressure drop, leg length and furnace bank thickness are better analyzed and used, but in the aspect of furnace bank measurement, the traditional method is that one person holds a hook iron rod against the thinner position of furnace bank, then finds the level, another person selects two reference points by space downward view, finally marks with chalk, and then measures the distance between the two points with ruler after taking out the iron rod, the whole measurement process is tedious and time-consuming, which is easy to cause the iron rod to melt and affect the quality of primary aluminum, and continuous operation increases the labor of workers, more importantly, the distance between the two points obtained by downward view angle has an error of 1-3cm, and the data accuracy is poor and misleads the judgment of next control strategy. Therefore, it is urgent to provide a new device to solve the problems of traditional electrolytic cell furnace bank measurement, such as tediousness, time-consuming and inability to digitalize. SUMMARY

[0003] The utility model aims at providing a kind of aluminum electrolytic cell direct-reading type measuring furnace bank thickness device, which can quickly and accurately measure furnace bank data at different positions and different heights, obtain aluminum electrolytic cell hearth change information, and is fast, durable, low in cost.

[0004] The embodiment of the utility model is realized by the following technical solutions:

[0005] A kind of aluminum electrolytic cell direct-reading type measuring furnace bank thickness device, including horizontal rod, link rod, detection rod and sliding rod, the horizontal rod and the detection rod are vertically connected with the link rod respectively, and the horizontal rod and the detection rod are located at the same side of the link rod, the sliding rod includes sliding part and positioning part vertically connected with the sliding part, the sliding part is sleeved on the horizontal rod, and the horizontal rod is provided with scale along the length direction.

[0006] Further, the end of the horizontal rod away from the link rod is provided with an operating handle.

[0007] Further, a level is provided on the sliding part.

[0008] Further, the level is connected with the sliding part by magnetic attraction element.

[0009] Further, a limiting groove is formed on the sliding part, and the level is clamped in the limiting groove.

[0010] Further, the positioning part comprises a fixed segment and an extension segment, and the fixed segment is rotationally connected with the extension segment.

[0011] Further, the device further comprises a limiting sleeve, the limiting sleeve is internally provided with a first through hole and a second through hole in communication with each other, the diameter of the first through hole is equal to the sum of the diameter of the horizontal rod and the outer diameter of the sliding part, the diameter of the second through hole is equal to the diameter of the horizontal rod, and the limiting sleeve is sleeved on the horizontal rod through the second through hole.

[0012] The technical scheme of the embodiment of the utility model has at least the following advantages and beneficial effects:

[0013] In the utility model, the horizontal rod, the connecting rod and the detection rod cooperate to move the detection rod downward along the outer edge of the furnace wall, stop moving after the thinnest position is determined and ensure that the front end of the detection rod is close to the furnace wall, and the horizontal rod and the detection rod are parallel to the electrolytic cell during detection. The outer edge of the electrolytic cell shell is selected as a standard point, the detection position is determined, the sliding rod is slid, the positioning part of the sliding rod is abutted against the outer edge of the electrolytic cell shell, the sliding part of the sliding rod is adjusted on the scale of the horizontal rod, the furnace wall data of different positions and different heights can be quickly and accurately measured, the change information of the aluminum electrolytic cell hearth is obtained. While being quickly and accurately measured, the equipment and labor cost are saved, the labor intensity of the operator is greatly reduced, the safety of the electrolytic series is ensured and the economic index is improved. The device can be widely used in the daily operation of the electrolytic cell, including the polar change operation, the online furnace wall repair and the abnormal cell shell tracking. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment, and it should be understood that the following drawings only show some embodiments of the utility model, and therefore should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can be obtained without creative labor on the basis of these drawings.

[0015] Figure 1 The structure schematic view of the device for directly reading and measuring the thickness of the furnace wall of the aluminum electrolytic cell provided in the embodiment 1 of the utility model;

[0016] Figure 2 The structure schematic view of the device for directly reading and measuring the thickness of the furnace wall of the aluminum electrolytic cell provided in the embodiment 1 of the utility model when in use;

[0017] Figure 3 The another structure schematic view of the device for directly reading and measuring the thickness of the furnace wall of the aluminum electrolytic cell provided in the embodiment 1 of the utility model;

[0018] Figure 4The sectional view of the limiting sleeve provided in the embodiment 1 of the utility model.

[0019] Icon: 1-horizontal rod, 2-linking rod, 3-probing rod, 4-sliding rod, 5-operation handle, 6-level meter, 7-outer edge of electrolytic cell shell, 8-side carbon block, 9-furnace side, 10-limiting sleeve, 41-sliding part, 42-positioning part, 101-first through hole, 102-second through hole, 421-fixed section, 422-extended section. DETAILED DESCRIPTION

[0020] 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 described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0021] 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 claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the utility model.

[0022] It should be noted that: similar signs and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0023] In the description of the utility model, it should be explained that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, or the orientation or positional relationship of the product in use, it is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0024] In the description of the utility model, still need explaining, unless another explicit provision and limitation, if appearing term " setting " " installation " " link " " connection " should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through intermediate medium, can be two elements inside the communication, for ordinary skilled in the art, can understand the specific meaning of the above terms in the utility model according to specific circumstances.

[0025] Embodiment 1

[0026] As Figures 1-4 The utility model provides a kind of device for measuring furnace bank thickness of aluminum electrolytic cell direct reading type, including horizontal rod 1, link rod 2, detection rod 3 and sliding rod 4, the horizontal rod 1 and the detection rod 3 are respectively connected with the link rod 2 vertically, and the horizontal rod 1 and the detection rod 3 are located at the same side of the link rod 2, the sliding rod 4 includes sliding part 41 and the positioning part 42 vertically connected with the sliding part 41, the sliding part 41 is sleeved on the horizontal rod 1, and the horizontal rod 1 is provided with scale along length direction.

[0027] Horizontal rod 1, link rod 2 and detection rod 3 cooperate, let detection rod 3 move downwards along the outer edge of furnace bank 9, stop moving after determining the thinnest position and ensure that the foremost end of detection rod 3 is close to furnace bank 9, and horizontal rod 1 and detection rod 3 are parallel with electrolytic cell during detection.Selecting electrolytic cell shell outer edge 7 as standard point, after determining detection position, sliding sliding rod 4, let the positioning part 42 of sliding rod 4 abut against electrolytic cell shell outer edge 7, can quickly and accurately measure the data of furnace bank 9 of different positions and different heights by the adjustment of sliding part 41 of sliding rod 4 on the scale of horizontal rod 1, obtains the information of aluminum electrolytic cell hearth change.In the meantime of quick and accurate measurement, it saves equipment and labor cost, greatly reduces the labor intensity of operator, ensures electrolytic series safety and improves economic index.The device can be widely used in daily operation of electrolytic cell, including pole changing operation, online furnace bank 9 repair and abnormal cell shell tracking.

[0028] Wherein, horizontal rod 1, link rod 2 and detection rod 3 can be bent from a suitable length of iron pipe or other materials according to specific sectional size, horizontal rod 1 and detection rod 3 remain parallel, and link rod 2 is perpendicular to horizontal rod 1 and detection rod 3 respectively.

[0029] In the embodiment, the end of the horizontal rod 1 away from the link rod 2 is provided with an operating handle 5. The operating handle 5 is provided with a structure of high at both ends and low in the middle, so that the operator can place fingers in the low middle position during use, avoiding sliding.

[0030] In this embodiment, the level 6 is arranged on the sliding part 41. The level 6 is used to level the horizontal rod 1, so as to ensure the accuracy of the measurement of the furnace side 9.

[0031] In this embodiment, the level 6 is connected with the sliding part 41 through a magnetic attraction element. The sliding rod 4 can be made of an iron pipe, and the iron pipe of the sliding part 41 is a hollow pipe. A magnet is arranged at the bottom end of the level 6, and the level 6 is installed on the sliding part 41 through the magnetic force attraction between the magnet and the iron pipe, so as to facilitate the installation and disassembly of the level 6.

[0032] In this embodiment, a limiting groove is arranged on the sliding part 41, and the level 6 is clamped in the limiting groove. The level 6 is clamped with the sliding part 41, so as to facilitate the replacement and disassembly of the level 6.

[0033] In this embodiment, the positioning part 42 includes a fixed segment 421 and an extension segment 422, and the fixed segment 421 is rotationally connected with the extension segment 422. The fixed segment 421 and the extension segment 422 cooperate to measure the thickness of the furnace side 9 of different heights, and facilitate the storage of the positioning part 42. When the thickness of the furnace side 9 of the upper part of the electrolytic cell is measured, the extension segment 422 can be folded and located at the side of the fixed segment 421, and at this time, the fixed segment 421 abuts against the outer edge 7 of the electrolytic cell shell. When the thickness of the furnace side 9 of the lower part of the electrolytic cell is measured, the extension segment 422 can be unfolded, so that the extension segment 422 and the fixed segment 421 are located in the same vertical plane, and at this time, the extension segment 422 abuts against the outer edge 7 of the electrolytic cell shell. This facilitates the flexible adjustment of the positioning part 42 and facilitates the use.

[0034] In this embodiment, the device further includes a limiting sleeve 10, and a first through hole 101 and a second through hole 102 are arranged in the limiting sleeve 10 and communicate with each other. The diameter of the first through hole 101 is equal to the sum of the diameter of the horizontal rod 1 and the outer diameter of the sliding part 41, and the diameter of the second through hole 102 is equal to the diameter of the horizontal rod 1. The limiting sleeve 10 is sleeved on the horizontal rod 1 through the second through hole 102. When the positioning part 42 of the sliding rod 4 abuts against the outer edge 7 of the electrolytic cell shell, the sliding limiting sleeve 10 is sleeved on the surface of the sliding part 41 through the first through hole 101 of the limiting sleeve 10, so as to fix the sliding part 41, thereby fixing the sliding rod 4 and avoiding the movement of the sliding rod 4 to cause inaccurate measurement results.

[0035] A measurement method of a device for directly measuring the thickness of the furnace side of an aluminum electrolytic cell is as follows:

[0036] 1. First, determine a point a on the horizontal rod 1, and the length of the point a is equal to the sum of the length of the detection rod 3, the thickness of the electrolytic cell and the thickness of the side carbon block 8.

[0037] 2, let the probe rod 3 along the furnace side 9 outside along to move down, determine the thinnest position after stop moving and ensure the probe rod 3 the most front end close to the furnace side 9, while using level 6 find flat horizontal bar 1;

[0038] 3, slide bar 4 along the scale of horizontal bar 1 forward, when the positioning part 42 of the front end of slide bar 4 reaches the outer edge 7 of electrolytic cell shell, determine b point at the scale of horizontal bar 1 at the front end of slide part 41, quickly and directly read the scale number between a point and b point, which is the thickness of furnace side 9.

[0039] The above is only the preferred embodiment of the present application, and is not intended to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A device for direct reading measurement of the thickness of the sidewall of an aluminum electrolytic cell, characterized in that: The utility model relates to a horizontal rod, a connecting rod, a detecting rod and a sliding rod, the horizontal rod and the detecting rod are vertically connected with the connecting rod respectively, and the horizontal rod and the detecting rod are located at the same side of the connecting rod, the sliding rod includes a sliding part and a positioning part which is vertically connected with the sliding part, the sliding part is sleeved on the horizontal rod, and a scale is arranged on the horizontal rod along the length direction.

2. The apparatus for direct reading of the thickness of the side of the aluminium cell according to claim 1, characterised in that, An operating handle is arranged on the end of the horizontal rod away from the connecting rod.

3. The apparatus for direct reading of the thickness of the side of the aluminium cell according to claim 1, characterised in that, A level is arranged on the sliding part.

4. The apparatus for direct reading of the thickness of the side of the aluminium cell according to claim 3, characterised in that, The level is connected with the sliding part through a magnetic element.

5. The apparatus for direct reading of the thickness of the side of the aluminium cell according to claim 3, characterised in that, A limiting groove is arranged on the sliding part, and the level is clamped in the limiting groove.

6. The apparatus for direct reading of the thickness of the side of the cell according to claim 1, characterized in that, The positioning part includes a fixed segment and an extension segment, and the fixed segment is rotationally connected with the extension segment.

7. The apparatus for direct reading measurement of the thickness of the side of the cell according to claim 1, characterized in that, The device further includes a limiting sleeve, a first through hole and a second through hole are arranged in the limiting sleeve and are communicated with each other, the diameter of the first through hole is equal to the sum of the diameter of the horizontal rod and the outer diameter of the sliding part, the diameter of the second through hole is equal to the diameter of the horizontal rod, and the limiting sleeve is sleeved on the horizontal rod through the second through hole.

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