CN101451251B - Power supply method and device of decomposing tank series - Google Patents
Power supply method and device of decomposing tank series Download PDFInfo
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- CN101451251B CN101451251B CN2008103063007A CN200810306300A CN101451251B CN 101451251 B CN101451251 B CN 101451251B CN 2008103063007 A CN2008103063007 A CN 2008103063007A CN 200810306300 A CN200810306300 A CN 200810306300A CN 101451251 B CN101451251 B CN 101451251B
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Abstract
The invention discloses a power supply method and a device for a potline. The method comprises: the middle parts of the top parts of a group of decomposers are provided with top part transformers A and top part transformers B; the top part of each decomposer is provided with an local control box A and a local control box B; an A way high-voltage-cable and a B way high -voltage-cable which are led out of a power distribution room supply power to the top part transformers A and the top part transformers B of each decomposer respectively; each top part transformer A is provided with an low voltage closed type bus bar groove A to supply power to the local control box A of each decomposer; and each top part transformer B is provided with a low voltage closed type bus bar groove B to supply power to the local control box B of each decomposer. The invention has the characteristics of reliable operation and simple wiring, and can solve the problems of huge consumption of cable and big voltage drop loss existing in the prior art; moreover, the invention can also reduce consumption of cable bridges or steel pipes needed for cable placing, reduce construction amount and lower investment cost.
Description
Technical field
The present invention relates to a kind of method of supplying power to and device of decomposing tank series, belong to decomposing tank series distribution field.
Background technology
In alumina producing factory 18～21 open-air decomposers that are installed in series are arranged generally, about 300～400 meters of length, general 14 meters of decomposer diameter; Highly be generally more than 30 meter, 1 agitator motor is all arranged at each decomposer top, and (about 55～110kw) and utility appliance, the agitator motor of decomposer is an important stage load; Can not surpass 15 minutes by power off time,, can cause deep gouge if power off time is longer; Stop groove behind the deep gouge, organize processing such as artificial slotting, the time is long, will influence alumina producing; Cause up to ten million financial losses, thus must supply power by 2 power supplys, and 2 power supplys are switching on the spot.
The method of supplying power to of this engineering is at present: the end of decomposing tank series on ground (the decomposer middle part is covered with process line does not have the position) established transformation and switchgear building; In establish 2 subsequent use each other X-formers; The low-tension side sectionalized single busbar connection is presented 1 loop respectively to agitator motor from two sections buses, long more than 100～400 meter of feeder assembly, and this distribution system is because circuit long transmission line pressure drop loss big, circuit is big; Often need strengthen the cross-section of cable, the cable investment is big; Every group of general 18～21 grooves of decomposer need to draw 36～42 power cables from switchgear building, because cable needs multi-layer cable crane span structure or a large amount of steel pipe more, crane span structure or steel pipe and installation subsidiary material and construction volume are all big again.
Summary of the invention
The object of the present invention is to provide a kind of method of supplying power to and device of decomposing tank series, it has reliable, the characteristics that wiring is succinct, and to solve in the prior art, the cable consumption is big, the problem that the volts lost loss is big.Can reduce also simultaneously that cable running needs cable testing bridge or steel pipe, reduce construction volume, reduce cost of investment.
The present invention is achieved in that a kind of method of supplying power to of decomposing tank series.Be that A top X-former and B top X-former are set in the mid-way at 1 group of decomposer top, A local control box and B local control box be set at each decomposer top; Draw A top X-former and the B top transformer-supplied that A road high-tension cable and B road high-tension cable are respectively each decomposer from switchgear building; A top X-former is provided with a closed bus duct of A low pressure, is the A local control box power supply of each decomposer; B top X-former is provided with a closed bus duct of B low pressure, is the B local control box power supply of each decomposer.
A kind of electric supply installation of decomposing tank series comprises decomposer; Be equipped with A local control box and B local control box on each decomposer in one group of decomposer; A local control box on every decomposer all is connected with the closed bus duct of A low pressure; B local control box on every decomposer all is connected with the closed bus duct of B low pressure; The closed bus duct of A low pressure is connected with B top X-former with A top X-former respectively with the closed bus duct of B low pressure; High-tension cable is connected with switchgear building with B road high-tension cable A top X-former through the A road respectively with B top X-former.
Compared with prior art, the method for supplying power to of decomposing tank series provided by the invention and device, subsequent use each other owing to adopt two top X-formers, one breaks down that another can continue power supply, so have reliable characteristics; In addition,, shortened the distance of low-voltage supply line, can reduce the volts lost loss and connect, also can adopt closed bus duct main route system power supply simultaneously, reduced the cable consumption because two top X-formers are installed in the serial crown center position of decomposing tank series; Because the local control box on the decomposer is connected with low-voltage supply line nearby, thus wiring can reduce also succinctly that cable running needs cable testing bridge or steel pipe, reduce construction volume, the reduction cost of investment.
Description of drawings
Accompanying drawing 1 is a structural representation of the present invention;
Accompanying drawing 2 is electrical systematic drawings of the present invention.
Mark in the accompanying drawing is: 1-decomposer, 2-A local control box, 3-B local control box, the closed bus duct of 4-A low pressure; The closed bus duct of 5-B low pressure, 6-A top X-former, 7-B top X-former; 8-A road high-tension cable, 9-B road high-tension cable, 10-switchgear building.
Embodiment
Embodiments of the invention: the method for supplying power to of decomposing tank series of the present invention, shown in the electrical systematic drawing of the structure iron of Fig. 1 and Fig. 2.Be that A top X-former and B top X-former are set in the mid-way at one group of decomposer top, A local control box and B local control box be set at each decomposer top; Draw A top X-former and the B top transformer-supplied that A road high-tension cable and B road high-tension cable are respectively each decomposer from switchgear building; A top X-former is provided with a closed bus duct of A low pressure, is the A local control box power supply of each decomposer; B top X-former is provided with a closed bus duct of B low pressure, is the B local control box power supply of each decomposer.
The electric supply installation of decomposing tank series of the present invention, as shown in Figure 1.Comprise existing decomposer 1; Be equipped with A local control box 2 and B local control box 3 on each decomposer 1 in existing one group of decomposer; A local control box 2 on every decomposer 1 all is connected with the closed bus duct 4 of A low pressure; B local control box 3 on every decomposer 1 all is connected with the closed bus duct 5 of B low pressure; The closed bus duct 4 of A low pressure is connected with B top X-former 7 with A top X-former 6 respectively with the closed bus duct 5 of B low pressure; High-tension cable 8 is connected with switchgear building 10 with B road high-tension cable 9 A top X-former 6 through the A road respectively with B top X-former 7.
It below is a concrete instance
There are 42 decomposers in certain alumina producing workshop of alumina producer, and the height of decomposer has more than 30 meter.Be divided into 2 groups to 42 decomposers, every group of 21 decomposers.After 2 groups of decomposers were contacted respectively, every group of decomposer total length was about 300～400 meters.Each decomposer top all is equipped with an agitator motor and other utility appliance.Establish the box top X-former that two sizes are about 3 * 4 meters at the top of decomposer, the high pressure inlet wire of two X-formers is 10KV, respectively be located at ground switchgear building 10 and be connected.Two X-formers are equipped with agitator motor and the utility appliance difference two-way power supply thereof of the closed bus duct of one road 380V low pressure for each decomposer.Electrical system is as shown in Figure 2.The agitator motor of each decomposer and utility appliance thereof all with decomposer on local control box be connected.For easy-to-connect, can socket connection mechanism be set near the agitator motor of each decomposer, draw feeder line and cause local control box.The box top X-former is installed on the decomposer top platform.The present invention only need draw 2 10KV cables from switchgear building and get final product.Therefore can reduce cable testing bridge or the steel pipe that a large amount of cables and cable running need, reduce construction volume.
Claims (2)
1. the method for supplying power to of a decomposing tank series, it is characterized in that: this method is that A top X-former and B top X-former are set in the mid-way at one group of decomposer top, at each decomposer top A local control box and B local control box is set; Draw A top X-former and the B top transformer-supplied that A road high-tension cable and B road high-tension cable are respectively each decomposer from switchgear building; A top X-former is provided with a closed bus duct of A low pressure, is the A local control box power supply of each decomposer; B top X-former is provided with a closed bus duct of B low pressure, is the B local control box power supply of each decomposer.
2. the electric supply installation of a decomposing tank series comprises decomposer (1); It is characterized in that: be equipped with A local control box (2) and B local control box (3) on each decomposer (1) in one group of decomposer; A local control box (2) on every decomposer (1) all is connected with the closed bus duct of A low pressure (4); B local control box (3) on every decomposer (1) all is connected with the closed bus duct of B low pressure (5); The closed bus duct of A low pressure (4) is connected with B top X-former (7) with A top X-former (6) respectively with the closed bus duct of B low pressure (5); High-tension cable (8) is connected with switchgear building (10) with B road high-tension cable (9) A top X-former (6) through the A road respectively with B top X-former (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008103063007A CN101451251B (en) | 2008-12-17 | 2008-12-17 | Power supply method and device of decomposing tank series |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008103063007A CN101451251B (en) | 2008-12-17 | 2008-12-17 | Power supply method and device of decomposing tank series |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101451251A CN101451251A (en) | 2009-06-10 |
| CN101451251B true CN101451251B (en) | 2012-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008103063007A Expired - Fee Related CN101451251B (en) | 2008-12-17 | 2008-12-17 | Power supply method and device of decomposing tank series |
Country Status (1)
| Country | Link |
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| CN (1) | CN101451251B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102108527B (en) * | 2009-12-23 | 2014-03-26 | 贵阳铝镁设计研究院有限公司 | Method and system for supplying power to large aluminum electrolytic plant |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4431492A (en) * | 1982-04-20 | 1984-02-14 | Mitsubishi Keikinzoku Kogyo Kabushiki Kaisha | Aluminum electrolytic cell arrays and method of supplying electric power to the same |
| RU2187585C1 (en) * | 2001-07-03 | 2002-08-20 | Открытое акционерное общество "Сибирско-Уральская алюминиевая компания" | Way of power supply to series of electrolyzers |
| CN1246503C (en) * | 2003-06-13 | 2006-03-22 | 沈阳铝镁设计研究院 | Configuration method of serial electrolyzer bus |
| CN1824839A (en) * | 2005-02-25 | 2006-08-30 | 贵阳铝镁设计研究院 | Power supplying method and device for electrolytic tank |
| CN201329265Y (en) * | 2008-12-17 | 2009-10-21 | 贵阳铝镁设计研究院 | Power supply device of decomposer series |
-
2008
- 2008-12-17 CN CN2008103063007A patent/CN101451251B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4431492A (en) * | 1982-04-20 | 1984-02-14 | Mitsubishi Keikinzoku Kogyo Kabushiki Kaisha | Aluminum electrolytic cell arrays and method of supplying electric power to the same |
| RU2187585C1 (en) * | 2001-07-03 | 2002-08-20 | Открытое акционерное общество "Сибирско-Уральская алюминиевая компания" | Way of power supply to series of electrolyzers |
| CN1246503C (en) * | 2003-06-13 | 2006-03-22 | 沈阳铝镁设计研究院 | Configuration method of serial electrolyzer bus |
| CN1824839A (en) * | 2005-02-25 | 2006-08-30 | 贵阳铝镁设计研究院 | Power supplying method and device for electrolytic tank |
| CN201329265Y (en) * | 2008-12-17 | 2009-10-21 | 贵阳铝镁设计研究院 | Power supply device of decomposer series |
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| CN101451251A (en) | 2009-06-10 |
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