CN105527497A - Carbon anode resistivity distribution measuring device and measuring method thereof - Google Patents

Carbon anode resistivity distribution measuring device and measuring method thereof Download PDF

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Publication number
CN105527497A
CN105527497A CN201610028316.0A CN201610028316A CN105527497A CN 105527497 A CN105527497 A CN 105527497A CN 201610028316 A CN201610028316 A CN 201610028316A CN 105527497 A CN105527497 A CN 105527497A
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China
Prior art keywords
anode
carbon
block
probe
measuring
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CN201610028316.0A
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Chinese (zh)
Inventor
郭力
牛立群
李霖
陈建红
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Sichuan Huasuo Automation Information Engineering Co Ltd
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Sichuan Huasuo Automation Information Engineering Co Ltd
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Priority to CN201610028316.0A priority Critical patent/CN105527497A/en
Publication of CN105527497A publication Critical patent/CN105527497A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/14Measuring resistance by measuring current or voltage obtained from a reference source

Abstract

The invention discloses a carbon anode resistivity distribution measuring device, which is characterized in that the measuring device comprises a three-dimensional motion platform (2) having a sliding block (21) and a movable elastic detection device arranged on the sliding block (21). The invention also discloses a measuring method of the carbon anode resistivity distribution measuring device. The method is characterized in that the method comprises the following steps: arranging multiple pairs of symmetrical measuring points on any two groups of opposite side surfaces in three groups of opposite side surfaces of an anode carbon block, and arranging the first group of side surfaces, provided with the symmetrical measuring points, of the anode carbon block between two carbon anode resistivity distribution measuring devices and the like. The device adopts a brand new structure, the measuring device is mounted on the three-dimensional motion platform, and measurement probe devices are allowed to move up and down, left and right and back and forth conveniently, so that the measurement probe devices are allowed to be positioned on the measuring points accurately, carry out real-time online measurement and transmit the measurement result quickly and accurately, and carbon anode resistivity distribution can be obtained.

Description

A kind of carbon anode resistivity apparatus for measuring distribution and measuring method thereof
Technical field
The present invention relates to field of aluminum electrolysis, specifically refer to a kind of carbon anode resistivity apparatus for measuring distribution and measuring method thereof.
Background technology
Carbon anode is the main element of aluminium cell, and whether the quality of its quality and working condition normally has a great impact Aluminium Electrolysis, and very huge on economic and technical norms impacts such as current efficiency, power consumption, product hierarchies.At present, 70% is had to occur in anode in electrolytic tank fault, the anode fault that electrolytic tank often occurs has: anode local overheating, distribution of current are uneven, anode falls block, anode " long bag ", anode crackle tomography, anode mix spill, pre-baked anode block comes off, a large amount of breeze falls into electrolyte makes ten various faults such as electrolyte carbon containing, and this this fault is primarily of quality of anode problem and electrolysis operation is improper causes.The generation of fault, destroying the normal production specifications of electrolytic tank makes electrolytic tank get muddled situation, it shows as voltage swing, voltage raises, aluminium water rolls, bath surface do not crust, electrolytic tank local is non-conductive, do not work, cause current efficiency sharply to decline, unit dc consumption and starting material unit consumption sharply rises, electrolysis procedure difficulty, degradation consequence under aluminium grade, serious even can causing stops groove.
In sum, quality testing in antianode charcoal block production run is very important, if just can detect it before anode carbon block roasting, underproof anode carbon block just can be avoided to enter calcining process, thus the energy resource consumption in minimizing roasting process, also problem anode carbon block can be avoided to enter electrolysis production process, so can effectively prevent because of anode local overheating, distribution of current is uneven, anode falls block, anode " long bag ", anode crackle tomography, pre-baked anode block comes off, a large amount of breeze falls into the fault that electrolyte makes electrolyte carbon containing cause, the current efficiency of further raising electrolytic tank, reduce anode consumption, reduce power consumption, reach the object of the conservation of power energy.But at present not a kind of good pick-up unit and detection method can the quality of antianode charcoal block detect accurately, thus have impact on the development of aluminium electroloysis industry.
Summary of the invention
The object of the invention is to solve at present not a kind of good pick-up unit and detection method and the quality of antianode charcoal block can carry out the defect that accurately detects, a kind of carbon anode resistivity apparatus for measuring distribution and measuring method thereof are provided.
Object of the present invention is achieved through the following technical solutions: a kind of carbon anode resistivity apparatus for measuring distribution, comprises the three-dimensional movement platform with slide block, and is arranged on the living spring sniffer on slide block; Described living spring sniffer comprises sleeve, is arranged on the pressure transducer of sleeve inner, and tail end is positioned at sleeve inner, probe is positioned at the probe of sleeve outside, and is positioned at sleeve inner and the elastomeric element be connected with probe with pressure transducer.
Further, described sleeve is provided with stopper slot, described probe is provided through this stopper slot and the limiting component that can slide in stopper slot.
Described elastomeric element comprises pilot block and spring; Described pressure transducer is positioned at the bottom of sleeve, and pilot block is then positioned at the inside of sleeve and is connected with pressure transducer; Described spring be arranged at sleeve inside and between pilot block and probe.
Described limiting component is caging bolt or position-limitting pin.
Described limiting component is provided with wiring nose.
The probe of described probe is umbrella.
The below of described three-dimensional movement platform is provided with substrate.
A measuring method for carbon anode resistivity apparatus for measuring distribution, comprises the following steps:
A () any two groups of opposite flanks in 3 groups of opposite flanks of anode carbon block are arranged the measurement point of multipair symmetry, and the side first group being provided with the anode carbon block of symmetrical measurement point is placed between two carbon anode resistivity apparatus for measuring distribution;
B () is by probe alignment first pair of symmetrical measurement point of two carbon anode resistivity apparatus for measuring distribution and clamp;
C () calculates and records the resistance between this first pair of symmetrical measurement point; And then probe is moved to down a pair symmetrical measurement point, calculate and record the resistance between second pair of symmetrical measurement point; Repeat this step, until all symmetrical measurement points of first group of side are measured complete, draw the resistivity distribution of this opposite flank;
D () is provided with the anode carbon block of symmetrical measurement point side by second group is placed between two carbon anode resistivity apparatus for measuring distribution, and repeats step (b) and (c);
E () is analyzed resistivity distribution, determine the block of anode carbon block high resistivity.
Further, the resistance between two measurement points of the calculating anode carbon block described in described step (c) comprises the following steps:
(I) electric current is applied by probe anode charcoal block;
(II) voltage between anode carbon block two measurement points is measured;
(III) resistance between anode carbon block two measurement points is calculated;
Force value during described step (b) middle probe clamping anode carbon block is fixation pressure value; The electric current applied in described step (I) is steady current; The resistance between anode carbon block 2 is calculated by Ohm law in described step (III).
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) the present invention is reasonable in design, and one-piece construction is simple, and easy for installation, result of use is good.
(2) the present invention will integrate theory with practice dexterously, which employs a kind of brand-new structure, measurement mechanism is arranged in three-dimensional movement platform, measuring probe device conveniently can be moved top to bottom, left and right, front and rear, make it to be accurately positioned on measurement point.Meanwhile, structure is connected with flow process perfection by the present invention, and adopts computer calculate machine system, and therefore, it reaches On-line sampling system and transmits measurement result quickly and accurately, thus draws anode carbon block resistivity distribution.
(3) flow process of the present invention is succinct, and does not also need other power-equipment to assist when detecting, and free from environmental pollution, environmental protection and energy saving, work efficiency is high, utilizes lower cost to achieve the innovation of science and technology, breach the restriction of industry, it has the unrivaled huge advantage of prior art.
(4) cost performance of the present invention is high, with strong points, and manufacturing cost, maintenance cost are all very low, and be easy to batch production and stable performance, therefore, the present invention has very high practical value and promotional value, is suitable for commercially applying on a large scale.
Accompanying drawing explanation
Fig. 1 is the fragmentary sectional view of carbon anode resistivity apparatus for measuring distribution of the present invention.
Fig. 2 is the side diagram of carbon anode resistivity apparatus for measuring distribution of the present invention.
Fig. 3 is the cut-away view of mobile measurement probe device of the present invention.
Fig. 4 is the process flow diagram of the measuring method of carbon anode resistivity apparatus for measuring distribution of the present invention.
Fig. 5 is the operating diagram of carbon anode resistivity apparatus for measuring distribution of the present invention.
Fig. 6 is that the present invention adopts carbon anode resistivity apparatus for measuring distribution to measure the distribution of anode carbon block left and right sides measuring point and resistivity distribution schematic diagram.
Fig. 7 is that the present invention adopts carbon anode resistivity apparatus for measuring distribution to measure the distribution of two sides measuring point and resistivity distribution schematic diagram before and after anode carbon block.
Fig. 8 is anode carbon block high resistance area of the present invention distribution schematic diagram.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment one
As shown in Figure 1, 2, carbon anode resistivity apparatus for measuring distribution of the present invention, comprises the three-dimensional movement platform 2 with slide block 21, and is arranged on living spring sniffer two parts on slide block 21.
Wherein, three-dimensional movement platform 2 is prior art, and it can drive mobile measurement probe device top to bottom, left and right, front and rear to move, thus mobile measurement probe device is accurately positioned on the measurement point of anode carbon block.
As shown in Figure 3, described living spring sniffer comprises sleeve 5, is arranged on the pressure transducer 3 bottom sleeve 5, the probe 9 be connected with pressure transducer 3 by elastomeric element.Described elastomeric element comprises pilot block 4 and spring 6; Described pilot block 4 is positioned at the inside of sleeve 5 and is connected with pressure transducer 3; Described spring 6 is arranged at the inside of sleeve 5 and between pilot block 4 and probe 9, probe 9 then can move forward and backward in sleeve 5.
In order to make probe 9 can contact with anode carbon block, the detecting head of this probe 9 need stretch out sleeve 5 and in umbrella, so then can ensure probe 9 and anode carbon block good contact, guarantees the accuracy measured.
In addition, described sleeve 5 is provided with stopper slot 51, probe 9 is then provided through this stopper slot 51 and the limiting component 7 that can slide in stopper slot 51.As required, this limiting component 7 can be set to position-limitting pin, and this position-limitting pin and probe 9 are connected to a fixed; Conveniently dismounting, this limiting component 7 also can be set to caging bolt, and this probe 9 rear end drilling and tapping, caging bolt is then screwed on probe 9.
By said structure can make three-dimensional movement platform 2 and pressure transducer 3 stressed soft in probe 9 moving process, excessive impulsive force can not be subject to and damage; Can also guarantee that probe 9 can not drop out in sleeve 5 simultaneously.
When probe 9 pressurized, pressure then passes to pressure transducer 3 after spring 6 and pilot block 4, people control three-dimensional movement platform 2 by the pressure signal that pressure transducer 3 exports and move, thus the compression degree of adjustment probe 9 antianode charcoal block, make the force value of probe 9 to each measurement point identical.That anode carbon block is obtained is electric for the electric current of outside being imported probe 9 while spacing for this limiting component 7, by measuring equipment as pressure measuring instrument then can measure voltage between anode carbon block two measurement point, calculates the resistivity of anode carbon block.In order to better implement the present invention, this limiting component 7 can arrange wiring nose 8, like this can better fixing cord.
Meanwhile, in order to better fix three-dimensional movement platform 2, substrate 1 can be set in the below of three-dimensional movement platform 2.
Embodiment two
By the measuring method of the carbon anode resistivity apparatus for measuring distribution described in embodiment one, as shown in Figure 4, comprise the following steps:
A shaping cooled anode carbon block is placed on region to be measured by (), any two groups of opposite flanks in 3 groups of opposite flanks of anode carbon block are arranged the measurement point of multipair symmetry, and the side first group being provided with the anode carbon block of symmetrical measurement point is placed between two carbon anode resistivity apparatus for measuring distribution.Namely the measurement point of multipair symmetry is set on any two groups of opposite flanks of anode carbon block all around, upper and lower side, select in the present embodiment to arrange symmetrical measurement point on front and back and opposite flank, two groups, left and right, the position of the measurement point before and after this on two sides and quantity one_to_one corresponding, the position of the measurement point of left and right sides and quantity also one_to_one corresponding.The measurement point of this symmetry can be set to two to more than, it is six right to be set in the present embodiment, and left and right sides are then placed between two carbon anode resistivity apparatus for measuring distribution.
B () controls two carbon anode resistivity apparatus for measuring distribution, two three-dimensional movement platform top to bottom, left and right, front and rear are moved, makes two probe alignment, first pair of symmetrical measurement point and clamp anode carbon block.Probe spring in the process advanced is compressed, pressure is also passed to pilot block by spring simultaneously, pressure directly acts on pressure transducer by pilot block, at this moment survey crew adjusts the displacement of two three-dimensional movement platform by the pressure signal that pressure transducer gathers, the pressure of probe antianode charcoal block is made to reach a fixed value, and under the state remaining on this pressure, this fixation pressure value can set according to actual conditions, and its state as shown in Figure 5.
The present invention can also be controlled automatically by computer control system in addition.During enforcement, this computer control system inner setting has the force value suffered by probe, and this computer control system is connected with pressure transducer, limiting component and three-dimensional movement platform respectively.This computer control system controls before and after three-dimensional movement platform, upper and lower, side-to-side movement, makes probe alignment anode carbon block first pair of symmetrical measurement point, and compresses anode carbon block.At this moment the pressure on probe passes to pressure transducer after spring and pilot block, pressure transducer sends to computer control system pressure signal, computer control system controls the displacement of three-dimensional movement platform, until the force value on probe reaches the force value of setting according to the pressure signal fed back.
C () survey crew applies electric current to limiting component, electric current imports in anode carbon block after probe, and this electric current can be set to steady current, and its current value can set according to actual conditions.At this moment, detect the voltage between anode carbon block two measurement points, and calculate the resistance between anode carbon block two measurement points by Ohm law.And then control two three-dimensional movement platform, probe is moved to down a pair symmetrical measurement point, calculate according to the method described above and record the resistance between second pair of symmetrical measurement point.Repeat this step, until all symmetrical measurement points of left and right side are measured complete, draw the resistivity distribution of left and right side, as shown in Figure 6.In addition, survey crew also can operate computer control system, make computer control system apply a constant electric current to limiting component, simultaneous computer control system is measured the voltage between two measurement points according to the steady current applied and calculates the resistance between two measurement points.
(d) upset anode carbon block, the front and back sides of anode carbon block is placed between two carbon anode resistivity apparatus for measuring distribution, and repeats step (b) and (c) and draw the resistivity distribution of these former and later two sides of anode carbon block as shown in Figure 7.
E () passes through measurement point quantity and the measuring point distribution of selection, just the resistivity distribution in whole anode carbon block can be reflected, and the distribution of resistivity is analyzed, just the block of anode carbon block high resistivity can be determined, as shown in Figure 8, measurement display X-direction high resistivity portion between two end faces in left and right, the measurement of former and later two sides then shows Z-direction high resistivity portion, the intersection region of X-direction and Z-direction is high resistance region, and then there are the quality problems such as crack or tomography inside, high resistance region.
As mentioned above, just well the present invention can be realized.

Claims (10)

1. a carbon anode resistivity apparatus for measuring distribution, is characterized in that, comprises the three-dimensional movement platform (2) with slide block (21), and is arranged on the living spring sniffer on slide block (21); Described living spring sniffer comprises sleeve (5), be arranged on the pressure transducer (3) that sleeve (5) is inner, tail end is positioned at that sleeve (5) is inner, probe is positioned at the outside probe (9) of sleeve (5), and is positioned at the inner and elastomeric element be connected with probe (9) with pressure transducer (3) of sleeve (5).
2. a kind of carbon anode resistivity apparatus for measuring distribution according to claim 1, it is characterized in that, described sleeve (5) is provided with stopper slot (51), described probe (9) is provided through this stopper slot (51) and the limiting component (7) that can slide in stopper slot (51).
3. a kind of carbon anode resistivity apparatus for measuring distribution according to claim 2, is characterized in that, described elastomeric element comprises pilot block (4) and spring (6); Described pressure transducer (3) is positioned at the bottom of sleeve (5), and pilot block (4) is then positioned at the inside of sleeve (5) and is connected with pressure transducer (3); Described spring (6) is arranged at the inside of sleeve (5) and is positioned between pilot block (4) and probe (9).
4. a kind of carbon anode resistivity apparatus for measuring distribution according to claim 3, is characterized in that, described limiting component (7) is caging bolt or position-limitting pin.
5. a kind of carbon anode resistivity apparatus for measuring distribution according to claim 4, is characterized in that, described limiting component (7) is provided with wiring nose (8).
6. a kind of carbon anode resistivity apparatus for measuring distribution according to claim 5, is characterized in that, the probe of described probe (9) is umbrella.
7. a kind of carbon anode resistivity apparatus for measuring distribution according to any one of claim 1 ~ 6, is characterized in that, the below of described three-dimensional movement platform (2) is provided with substrate (1).
8. a measuring method for carbon anode resistivity apparatus for measuring distribution, is characterized in that, comprises the following steps:
A () any two groups of opposite flanks in 3 groups of opposite flanks of anode carbon block are arranged the measurement point of multipair symmetry, and the side first group being provided with the anode carbon block of symmetrical measurement point is placed between two carbon anode resistivity apparatus for measuring distribution;
B () is by probe alignment first pair of symmetrical measurement point of two carbon anode resistivity apparatus for measuring distribution and clamp;
C () calculates and records the resistance between this first pair of symmetrical measurement point; And then probe is moved to down a pair symmetrical measurement point, calculate and record the resistance between second pair of symmetrical measurement point; Repeat this step, until all symmetrical measurement points of first group of side are measured complete, draw the resistivity distribution of this opposite flank;
D () is provided with the anode carbon block of symmetrical measurement point side by second group is placed between two carbon anode resistivity apparatus for measuring distribution, and repeats step (b) and (c);
E () is analyzed resistivity distribution, determine the block of anode carbon block high resistivity.
9. the measuring method of a kind of carbon anode resistivity apparatus for measuring distribution shown according to Claim 8, it is characterized in that, the resistance between two measurement points of the calculating anode carbon block described in described step (c) comprises the following steps:
(I) electric current is applied by probe anode charcoal block;
(II) voltage between anode carbon block two measurement points is measured;
(III) resistance between anode carbon block two measurement points is calculated;
10. according to the measuring method of a kind of carbon anode resistivity apparatus for measuring distribution shown in claim 9, it is characterized in that, force value during described step (b) middle probe clamping anode carbon block is fixation pressure value; The electric current applied in described step (I) is steady current; The resistance between anode carbon block 2 is calculated by Ohm law in described step (III).
CN201610028316.0A 2016-01-15 2016-01-15 Carbon anode resistivity distribution measuring device and measuring method thereof Pending CN105527497A (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4758777A (en) * 1985-02-19 1988-07-19 Voyager Technologies, Inc. Surface resistivity meter
CN2608939Y (en) * 2003-02-26 2004-03-31 台智精密科技股份有限公司 Three-dimensional measuring device
CN201130217Y (en) * 2007-12-20 2008-10-08 中国铝业股份有限公司 Apparatus for testing carbon anode resistivity
FR2956485A1 (en) * 2010-02-16 2011-08-19 Toulouse Inst Nat Polytech MEASURING CELL AND APPARATUS FOR MEASURING THE ELECTRICAL PROPERTIES OF FILMS AND COATINGS AT HIGH TEMPERATURES.
CN103149442A (en) * 2013-02-08 2013-06-12 哈尔滨工业大学 Automatic testing device for contact resistor made of electrical contact material
CN104280616A (en) * 2013-07-12 2015-01-14 苏州博昇科技有限公司 Silicon wafer resistivity measurement device and method
CN204151431U (en) * 2013-12-13 2015-02-11 北京华索科技股份有限公司 A kind of bus installs whippy structure anodic current measuring apparatus

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4758777A (en) * 1985-02-19 1988-07-19 Voyager Technologies, Inc. Surface resistivity meter
CN2608939Y (en) * 2003-02-26 2004-03-31 台智精密科技股份有限公司 Three-dimensional measuring device
CN201130217Y (en) * 2007-12-20 2008-10-08 中国铝业股份有限公司 Apparatus for testing carbon anode resistivity
FR2956485A1 (en) * 2010-02-16 2011-08-19 Toulouse Inst Nat Polytech MEASURING CELL AND APPARATUS FOR MEASURING THE ELECTRICAL PROPERTIES OF FILMS AND COATINGS AT HIGH TEMPERATURES.
CN103149442A (en) * 2013-02-08 2013-06-12 哈尔滨工业大学 Automatic testing device for contact resistor made of electrical contact material
CN104280616A (en) * 2013-07-12 2015-01-14 苏州博昇科技有限公司 Silicon wafer resistivity measurement device and method
CN204151431U (en) * 2013-12-13 2015-02-11 北京华索科技股份有限公司 A kind of bus installs whippy structure anodic current measuring apparatus

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