CN106149001A - The measuring method of on-line measurement Current distribution in anode on anode large bus bar - Google Patents
The measuring method of on-line measurement Current distribution in anode on anode large bus bar Download PDFInfo
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- CN106149001A CN106149001A CN201510129400.7A CN201510129400A CN106149001A CN 106149001 A CN106149001 A CN 106149001A CN 201510129400 A CN201510129400 A CN 201510129400A CN 106149001 A CN106149001 A CN 106149001A
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Abstract
The present invention relates to a kind of measuring method of on-line measurement Current distribution in anode on anode large bus bar.On anode large bus bar, each anode rod the right and left is respectively chosen two and is measured position, and the measurement position of the right and left is symmetric, line of symmetry is the centrage of anode rod, a corresponding one-level adapter or connection node on each measurement position, the measurement probe of same measurement position is connected to one-level adapter with isometric wire or connects on node, again two one-level adapters away from anode rod or connection node are connected on two grades of adapters or connection node with isometric wire, equally two one-level adapters close to anode rod or connection node are connected on two grades of adapters or connection node with isometric wire, measure two two grades of adapters with voltage measuring apparatus or connect the voltage drop at node.The impact that the electric current distribution on the same cross section of anode large bus bar is uneven can be reduced.
Description
Technical field
The present invention relates to a kind of measuring method measuring Current distribution in anode, particularly relate to a kind of measuring method of on-line measurement Current distribution in anode on anode large bus bar.
Background technology
The a great problem of the on-line monitoring problem of modern large-sized prebaked cell for aluminum-reduction technological parameter always puzzlement Aluminum Industry in The World development, the especially measurement of Current distribution in anode is all the more so.
The distribution situation of electrolysis bath inner anode electric current is extremely complex, and only online anode current is carried out detection could analyze and judge that each anode working of electrolysis bath is the most normal more accurately in real time.More traditional on-line checking anode current method is the method measuring equidistant pressure drop on anode rod, but it by anode change and lifts interference and the impact that bus operates so that its workload safeguarded is the biggest.
The solution of a kind of replacement is by measuring the method that voltage drop calculates Current distribution in anode on anode large bus bar.Conventional method is that the voltage drop measured on every section of anode large bus bar calculates the electric current by this section of anode large bus bar.This scheme can eliminate anode change and lift interference and the impact of bus, but due to anode large bus bar simultaneously and anode rod, balance bus contacts with column soft ribbons or connects, the electric current distribution on the same cross section of anode large bus bar is made to be probably uneven, the accuracy making this method is affected, and the voltage drop substantial amounts measured, cost is the highest.
Summary of the invention
A kind of measuring method of on-line measurement Current distribution in anode on anode large bus bar is provided in order to solve the above-mentioned technical problem present invention, purpose is to eliminate electric current density impact pockety on the same cross section of anode large bus bar, and reduces the measurable amount of voltage drop.
Present invention measuring method of on-line measurement Current distribution in anode on anode large bus bar in order to achieve the above object, it is included in each anode rod the right and left on anode large bus bar and respectively chooses two measurement positions, and the measurement position of the right and left is symmetric, line of symmetry is the centrage of anode rod, the any two that same anode rod is corresponding is measured and not there are column soft ribbons, balance bus or other anode rod between position, placing along anode large bus bar outer surface in each measurement position and measure probe, the distribution measuring probe is centrosymmetric distribution；A corresponding one-level adapter or connection node on each measurement position, the measurement probe of same measurement position is connected to one-level adapter with isometric wire or connects on node, again two one-level adapters away from anode rod or connection node are connected on two grades of adapters or connection node with isometric wire, equally two one-level adapters close to anode rod or connection node are connected on two grades of adapters or connection node with isometric wire, are measuring two two grades of adapters with voltage measuring apparatus or connecting the voltage drop at node.
It is connected to two grades of adapters from anode rod far-end measuring position or connection node is connected on the positive pole of voltage measuring apparatus, be connected to two grades of adapters from anode rod proximal measurement position or connection node is connected on the negative pole of voltage measuring apparatus.
Measuring probe to be made up of metallic conductor, its one end is spike, hammers in anode large bus bar measuring point, and the other end connects wire.
Four measurement position placement measurement number of probes are identical.
Each measurement position is placed and measured number of probes is 2-8.
Voltage measuring apparatus is measured two grades of adapters or connects the voltage drop V of node；Each corresponding for anode rod i voltage drop Vi；Voltage measuring apparatus is simultaneously by voltage drop V corresponding for all anode rodsiMeasure, anode current size IiWith corresponding voltage drop ViProportional example, can calculate Current distribution in anode accordingly.
Advantages of the present invention effect:
(1) not by anode change with lift bus and affected；
(2) impact that the electric current distribution on the same cross section of anode large bus bar is uneven can be reduced.
(3) make the quantity measuring voltage drop at anode large bus bar equal with guide rod number from being reduced to more than guide rod number, reduce cost.
Accompanying drawing explanation
Fig. 1 is to measure position choosing method and the wiring rough schematic of Sole anode.
Fig. 2 is to measure position choosing method and the wiring rough schematic of multiple anode.
Fig. 3 is the mode of connection that there are 4 measurement probes Sole anode each measurement position.
Fig. 4 is the mode of connection that there are 8 measurement probes Sole anode each measurement position.
Fig. 5 is the mode of connection that there are 4 measurement probes Sole anode each measurement position.
In figure: 1, measure probe；2, wire；3, one-level adapter or one-level connect node；4, two grades of adapters or two grades of connection nodes；5, voltage measuring apparatus；6, anode rod；7, balance bus；8, column soft ribbons；9, anode large bus bar；10, centrage；11, position is measured.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.
Embodiment 1
As Figure 1-3, the present invention is the measuring method of on-line measurement Current distribution in anode on anode large bus bar, it is included in each anode rod 6 the right and left on anode large bus bar 9 and respectively chooses two measurement positions 11, for A1, A2, B1 and B2, and the measurement position 11 of the right and left is symmetric, line of symmetry is the centrage 10 of anode rod, the any two of same anode rod 6 correspondence is measured and not there are column soft ribbons 8 between position 11, balance bus 7 or other anode rod 6, place along anode large bus bar outer surface in each measurement position 11 and measure probe 1, the distribution measuring probe 1 is centrosymmetric distribution；A corresponding one-level adapter 3 on each measurement position 11, in figure, one-level adapter is a1, a2, b1 and b2, the measurement probe 1 of same measurement position 11 is connected on one-level adapter 3 with isometric wire 2, again two one-level adapters 3 away from anode rod 6 are connected on two grades of adapters 4 with isometric wire 2, in figure, two grades of adapters are c1 and c2, equally two one-level adapters 3 close to anode rod 6 are connected on two grades of adapters 4 with isometric wire 2, are measuring the voltage drop at two two grades of adapters 4 with voltage measuring apparatus 5.
It is connected to two grades of adapters from anode rod 6 far-end measuring position and connects 4 on the positive pole of voltage measuring apparatus 5, be connected to two grades of adapters 4 from anode rod 6 proximal measurement position and be connected on the negative pole of voltage measuring apparatus 5.
Measuring probe 1 to be made up of metallic conductor, its one end is spike, hammers in anode large bus bar 9 measuring point, and the other end connects wire 2.
Four measurement position 11 placement measurement probe 1 quantity are identical.
Each measurement position is placed and measured number of probes is 2-8.The present embodiment is 4.
Voltage measuring apparatus 5 measures the voltage drop V of two grades of adapters 4；Each corresponding for anode rod i voltage drop Vi；Voltage measuring apparatus simultaneously by all anode rod i=1,2,3 ... N, N are anode quantity, corresponding voltage drop Vi, i=1,2,3 ... N measures, anode current size IiWith corresponding voltage drop ViProportional example, can calculate Current distribution in anode accordingly；Voltage measuring apparatus (5) in the present invention can measure the voltage drop V that all anode rods are corresponding simultaneouslyi.Such as one electrolysis bath has 20 anode rods, and the voltage drop measured is respectively V1,V2,V3,...V20. it is I by the total current of all anode rods.Then it is respectively as follows: by the electric current of each anode rod
,
, ,...
Measure probe 1, by wire 2, the signal of telecommunication is transferred to one-level adapter 3, then by wire 2, the signal of telecommunication is transferred to two grades of adapters 4, two two grades of adapters 4 are connected respectively the both positive and negative polarity of voltage measuring apparatus 5 the most again.
Embodiment 2
As shown in Figure 4, measurement number of probes in embodiment 1 is 8, the other the same as in Example 1.
Embodiment 3
As it is shown in figure 5, one-level adapter in embodiment 1 changes one-level into connects node 3, two grades of adapters change two grades into and connect node 4, the other the same as in Example 1.All connection nodes are the connection node of pre-offset.Wires at different levels are attached by pre-branch technique.
Claims (6)
1. the measuring method of on-line measurement Current distribution in anode on anode large bus bar, it is characterized in that each anode rod the right and left respectively chooses two on anode large bus bar and measure position, and the measurement position of the right and left is symmetric, line of symmetry is the centrage of anode rod, the any two that same anode rod is corresponding is measured and not there are column soft ribbons, balance bus or other anode rod between position, placing along anode large bus bar outer surface in each measurement position and measure probe, the distribution measuring probe is centrosymmetric distribution；A corresponding one-level adapter or connection node on each measurement position, the measurement probe of same measurement position is connected to one-level adapter with isometric wire or connects on node, again two one-level adapters away from anode rod or connection node are connected on two grades of adapters or connection node with isometric wire, equally two one-level adapters close to anode rod or connection node are connected on two grades of adapters or connection node with isometric wire, are measuring two two grades of adapters with voltage measuring apparatus or connecting the voltage drop at node.
The measuring method of on-line measurement Current distribution in anode on anode large bus bar the most according to claim 1, it is characterized in that being connected to two grades of adapters from anode rod far-end measuring position or connect node and be connected on the positive pole of voltage measuring apparatus, be connected to two grades of adapters from anode rod proximal measurement position or connect node and be connected on the negative pole of voltage measuring apparatus.
The measuring method of on-line measurement Current distribution in anode on anode large bus bar the most according to claim 1, it is characterised in that measuring probe and be made up of metallic conductor, its one end is spike, hammers in anode large bus bar measuring point, and the other end connects wire.
The measuring method of on-line measurement Current distribution in anode on anode large bus bar the most according to claim 1, it is characterised in that four measurement position placement measurement number of probes are identical.
The measuring method of on-line measurement Current distribution in anode on anode large bus bar the most according to claim 4, it is characterised in that each measurement position is placed and measured number of probes is 2-8.
The measuring method of on-line measurement Current distribution in anode on anode large bus bar the most according to claim 1, it is characterised in that voltage measuring apparatus is measured two grades of adapters or connects the voltage drop V of node；Each corresponding for anode rod i voltage drop Vi；Voltage measuring apparatus is simultaneously by voltage drop V corresponding for all anode rodsiMeasure, anode current size IiWith corresponding voltage drop ViProportional example, can calculate Current distribution in anode accordingly.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510129400.7A CN106149001B (en) | 2015-03-24 | 2015-03-24 | The measuring method of on-line measurement Current distribution in anode on anode large bus bar |
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| CN201510129400.7A CN106149001B (en) | 2015-03-24 | 2015-03-24 | The measuring method of on-line measurement Current distribution in anode on anode large bus bar |
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| CN106149001B CN106149001B (en) | 2017-12-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111349947A (en) * | 2018-12-20 | 2020-06-30 | 沈阳铝镁设计研究院有限公司 | Online measuring device and method for anode current in aluminum electrolytic cell |
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| RU2307881C1 (en) * | 2005-12-22 | 2007-10-10 | Общество с ограниченной ответственностью "Русская инжиниринговая компания" | Aluminum cell technical state automatic control method |
| CN201464541U (en) * | 2009-05-05 | 2010-05-12 | 武汉市新宜电器设备制造有限公司 | Aluminum cell anode current on-line test instrument |
| CN101907680A (en) * | 2009-06-04 | 2010-12-08 | 沈阳铝镁设计研究院 | Electrolysis direct current system online insulated monitoring device and a monitoring method |
| CN203474921U (en) * | 2013-07-04 | 2014-03-12 | 贵阳铝镁设计研究院有限公司 | Anode current distribution measurement system for aluminum electrolysis cell |
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2015
- 2015-03-24 CN CN201510129400.7A patent/CN106149001B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2307881C1 (en) * | 2005-12-22 | 2007-10-10 | Общество с ограниченной ответственностью "Русская инжиниринговая компания" | Aluminum cell technical state automatic control method |
| CN201464541U (en) * | 2009-05-05 | 2010-05-12 | 武汉市新宜电器设备制造有限公司 | Aluminum cell anode current on-line test instrument |
| CN101907680A (en) * | 2009-06-04 | 2010-12-08 | 沈阳铝镁设计研究院 | Electrolysis direct current system online insulated monitoring device and a monitoring method |
| CN203474921U (en) * | 2013-07-04 | 2014-03-12 | 贵阳铝镁设计研究院有限公司 | Anode current distribution measurement system for aluminum electrolysis cell |
Non-Patent Citations (1)
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| 董英等: "铝熔盐电解过程阳极电流非接触式测试方法", 《中国有色金属学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111349947A (en) * | 2018-12-20 | 2020-06-30 | 沈阳铝镁设计研究院有限公司 | Online measuring device and method for anode current in aluminum electrolytic cell |
| CN111349947B (en) * | 2018-12-20 | 2022-05-20 | 沈阳铝镁设计研究院有限公司 | Online measuring device and method for anode current in aluminum electrolytic cell |
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| CN106149001B (en) | 2017-12-15 |
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