CN200964441Y - Prebaked aluminum cell cross crust breaking baiting device - Google Patents
Prebaked aluminum cell cross crust breaking baiting device Download PDFInfo
- Publication number
- CN200964441Y CN200964441Y CN 200620034384 CN200620034384U CN200964441Y CN 200964441 Y CN200964441 Y CN 200964441Y CN 200620034384 CN200620034384 CN 200620034384 CN 200620034384 U CN200620034384 U CN 200620034384U CN 200964441 Y CN200964441 Y CN 200964441Y
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- CN
- China
- Prior art keywords
- blanking
- crust breaking
- crust
- cylinder
- magnetic valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229910052782 aluminium Inorganic materials 0.000 title abstract 6
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 title 1
- 238000001354 calcination Methods 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 239000004411 aluminium Substances 0.000 abstract 5
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 8
- 239000002994 raw material Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Electrolytic Production Of Metals (AREA)
Abstract
The utility model relates to a prebaked-aluminium electrolyzing cell production technology, in particular to a prebaked-aluminium electrolyzing cell crossing crust blanking method which enables the prebaked-aluminium electrolyzing cell of the regular production to achieve blanking frequently and blanking less so as to improve the current efficiency. The cross crust blanking device of the utility model comprises a crust cylinder, a blanking cylinder, a crust solenoid valve, a blanking solenoid valve, a crust air duct and a blanking air duct. The crust and the blanking devices are divided into two groups with crossing operation: the first point and the third point belong to the first group; and the second point and the fourth point belong to the second group. The utility model has the beneficial effects as follows: the crust blanking of the utility model makes the blanking balanced, makes the feed enter the cell smoothly, and improves the control ability of controlling cell machine and the accuracy; the utility model of the prebaked-aluminium electrolyzing cell crossing crust blanking device has the advantages of small investment, simple structure, convenient operation and artistic pipeline layout. The utility model is applicable to the modification of all kinds of the prebaked-aluminium electrolyzing cell types in the regular production.
Description
Technical field
The utility model relates to a kind of pre-calcining electrolytic cell production equipment, specifically relates to a kind of pre-calcining electrolytic cell of ordinary production that makes and realizes diligent blanking, and few blanking improves the pre-calcining electrolytic cell intersection crust breaking blanking device of current efficiency.
Background technology
Existing electrolysis grooved is the 160KA prebaked cell, is provided with at original grooved and negative electrode that extending capacity reformation is the 180KA electrolyzer under the constant situation.This grooved is middle 4 crust breaking blankings, and slot control machine is assigned crust breaking, blanking order according to analysis and judgement, by the magnetic valve transfer lever, finishes crust breaking and blanking operation by pneumatic system.Former electrolyzer dilatation is to 180KA, because crust breaking blanking frequency increases, following problem appears in the production: 1, increase owing to the blanking total amount, the dissolution rate of aluminum oxide in ionogen reduces relatively, too much raw material can't enter in the groove near being piled up in feed opening smoothly, the accuracy reduction that causes slot control machine to judge and control is restricting the raising of current efficiency to a certain extent; 2, because the feed opening windrow, almost shutoff feed opening, cause the burst effect to increase, power consumption is difficult to further reduction; 3,4 crust breaking blankings simultaneously, alumina concentration changes bigger in a feeding study on period, and most of electrolyzer alumina concentration is higher, runs counter to the principle that spares no effort to the few blanking of worker; Also incompatible low narrow alumina concentration control techniques.
Summary of the invention
Problem to be solved in the utility model is at the deficiencies in the prior art, a kind of smooth and easy entering in the groove of raw material energy that make is provided, alumina concentration in the balanced blanking cycle, further reduce alumina concentration, improve slot control machine controllability and accuracy, the steady production that can keep pre-calcining electrolytic cell, the pre-calcining electrolytic cell intersection crust breaking blanking device of raising current efficiency.
The utility model pre-calcining electrolytic cell intersection crust breaking blanking device is achieved by following technical proposals: the utility model intersection crust breaking blanking device comprises that crust breaking cylinder, blanking cylinder, crust breaking magnetic valve, blanking magnetic valve, crust breaking airduct, blanking airduct constitute, described crust breaking, blanking setting are divided into the two-way intersection and carry out, the 1st point, the 3rd are the 1st group, and the 2nd point, the 4th are the 2nd group; The 1st group of crust breaking blast pipe is connected with the inlet end of crust breaking cylinder and crust breaking magnetic valve respectively, and the crust breaking backwind tube is connected with the air return end of crust breaking cylinder and crust breaking magnetic valve respectively; The 1st group of blanking blast pipe is connected with blanking cylinder and blanking magnetic valve inlet end, and the blanking backwind tube is connected with the air return end of blanking cylinder and blanking magnetic valve; The 2nd group of crust breaking blast pipe, backwind tube and crust breaking magnetic valve are fixed on upper part of the electrolytic cell, the 2nd group of blanking blast pipe and blanking magnetic valve are fixed on upper part of the electrolytic cell, the crust breaking blast pipe is connected with crust breaking cylinder and crust breaking magnetic valve air intake respectively, and the crust breaking backwind tube is connected with crust breaking cylinder and crust breaking magnetic valve return air end respectively; The blanking blast pipe is connected with blanking cylinder and blanking magnetic valve air intake respectively, and the blanking backwind tube is connected with blanking cylinder and blanking magnetic valve return air end respectively.
The utility model pre-calcining electrolytic cell intersection crust breaking blanking device compared with prior art has following beneficial effect: finish because the utility model is divided into twice with original 4 crust breaking blanking simultaneously, make the blanking equilibrium, smooth and easy the entering in the groove of raw material energy, one alumina concentration in the also balanced blanking cycle, further reduce alumina concentration, improved slot control machine controllability and accuracy; Keep the steady production of pre-calcining electrolytic cell, improved current efficiency.The blanking total amount of the utility model intersection crust breaking blanking is constant, and high-pressure blast resource consumption does not increase, and has solved feed opening windrow problem effectively under the prerequisite that the aging corrupted of pipe network equipment does not increase.According to the electrolyzer comparative analysis, the crust breaking blanking groove feed opening windrow probability of intersecting obviously reduces, and the dissolution rate of aluminum oxide is significantly improved, average alumina concentration decreases, bearth precipitation and crust reduce, and the furnace bottom pressure drop decreases, and current efficiency improves 0.41%.By the economic return that current efficiency improves and the energy expenditure reduction brings is 398,9544 yuan, and transforms only 3000 yuan of electrolyzer inputs.The utility model pre-calcining electrolytic cell intersection crust breaking blanking device less investment, simple in structure, easy to operate, pipe network route neat appearance.The utility model is applicable to the transformation of the various pre-calcining electrolytic cell grooveds of ordinary production.
Description of drawings
The utility model has following accompanying drawing:
Fig. 1 is 4 blanking system control textures of prior art synoptic diagram;
Fig. 2 is 2 intersections of the utility model pre-calcining electrolytic cell intersection crust breaking blanking device crust breaking blanking pneumatic system control texture synoptic diagram.
Wherein: 1, be the 1st group of crust breaking cylinder; 2, be the 1st group of blanking cylinder; 3, be the 2nd group of blanking cylinder; 4, be the 2nd group of crust breaking cylinder; 5, be the 1st group of crust breaking cylinder; 6, be the 1st group of blanking cylinder; 7, be the 2nd group of blanking cylinder; 8, be the 2nd group of crust breaking cylinder; 9, be the 1st group of blanking magnetic valve; 10, be the 1st group of crust breaking magnetic valve; 11, be the 2nd group of blanking magnetic valve; 12, be the 2nd group of crust breaking magnetic valve; 13, be the 1st group of crust breaking blast pipe; 14, be the 1st group of crust breaking backwind tube; 15, be the 1st group of blanking blast pipe; 16, be the 1st group of blanking backwind tube; 17, be the 2nd group of crust breaking blast pipe; 18, be the 2nd group of crust breaking backwind tube; 19, be the 2nd group of blanking blast pipe; 20, be the 2nd group of blanking backwind tube.
Embodiment
Below in conjunction with drawings and Examples the utility model pre-calcining electrolytic cell intersection crust breaking blanking device technical scheme is further described.
As shown in Figure 2, the utility model pre-calcining electrolytic cell intersection crust breaking blanking device comprises control magnetic valve 9,10,11,12, crust breaking cylinder 1,4,5,8, blanking cylinder 2,3,6,7, crust breaking airduct 13,14,17,18, blanking airduct 15,16,19,20 constitutes, described crust breaking, blanking setting are divided into two-way and intersect and to carry out, and the 1st point, the 3rd are the 1st group, and the 2nd point, the 4th are the 2nd group; The 1st group of crust breaking blast pipe 13 is connected with the inlet end of crust breaking cylinder 1,5 and crust breaking magnetic valve 10 respectively, and crust breaking backwind tube 14 is connected with the air return end of crust breaking cylinder 1,5 and crust breaking magnetic valve 10 respectively; The 1st group of blanking blast pipe 15 is connected with blanking cylinder 2,6 and blanking magnetic valve 9 inlet ends, and blanking backwind tube 16 is connected with the air return end of blanking cylinder 2,6 and blanking magnetic valve 9; The 2nd group of crust breaking blast pipe 17, backwind tube 18 and crust breaking magnetic valve 12 are fixed on upper part of the electrolytic cell, the 2nd group of blanking blast pipe 19,20 and blanking magnetic valve 11 are fixed on upper part of the electrolytic cell, crust breaking blast pipe 17 is connected with crust breaking cylinder 4,8 and crust breaking magnetic valve 12 air intakes respectively, and crust breaking backwind tube 18 is connected with crust breaking cylinder 4,8 and crust breaking magnetic valve 12 return air ends respectively; Blanking blast pipe 19 is connected with blanking cylinder 3,7 and blanking magnetic valve 11 air intakes respectively, and blanking backwind tube 20 is connected with blanking cylinder 3,7 and blanking magnetic valve 11 return air ends respectively.
Embodiment 1.
As shown in Figure 1 and Figure 2, because the utility model is set to two groups of crust breaking blankings, in order to controlling the 1st point, the 3rd crust breaking, other is provided with a transportation work style source and circuit and is used to control the 2nd point, the 4th crust breaking blanking, and the crust breaking blanking is set at 1/2nd of original numerical value at interval with original pipeline; And will control the 2nd point, the 4th magnetic valve is installed on the pot superstructure.The 1st group of crust breaking blast pipe 13 is connected with the inlet end of crust breaking cylinder 1,5 and crust breaking magnetic valve 10 respectively, and crust breaking backwind tube 14 is connected with the air return end of crust breaking cylinder 1,5 and crust breaking magnetic valve 10 respectively; The 1st group of blanking blast pipe 15 is connected with blanking cylinder 2,6 and blanking magnetic valve 9 inlet ends, and blanking backwind tube 16 is connected with the air return end of blanking cylinder 2,6 and blanking magnetic valve 9; The 2nd group of crust breaking blast pipe 17 is connected with crust breaking cylinder 4,8 and crust breaking magnetic valve 12 air intakes respectively, and crust breaking backwind tube 18 is connected with crust breaking cylinder 4,8 and crust breaking magnetic valve 12 return air ends respectively; Blanking blast pipe 19 is connected with blanking cylinder 3,7 and blanking magnetic valve 11 air intakes respectively, and blanking backwind tube 20 is connected with blanking cylinder 3,7 and blanking magnetic valve 11 return air ends respectively.
Claims (1)
1, a kind of pre-calcining electrolytic cell intersection crust breaking blanking device, comprise control magnetic valve (9), (10), (11), (12), crust breaking cylinder (1), (4), (5), (8), blanking cylinder (2), (3), (6), (7), crust breaking airduct (13), (14), (17), (18), blanking airduct (15), (16), (19), (20) constitute, it is characterized in that: described crust breaking, blanking setting are divided into the two-way intersection and carry out, the 1st point, the 3rd are the 1st group, and the 2nd point, the 4th are the 2nd group; The 1st group of crust breaking blast pipe (13) is connected with the inlet end of crust breaking cylinder (1), (5) and crust breaking magnetic valve (10) respectively, and crust breaking backwind tube (14) is connected with the air return end of crust breaking cylinder (1), (5) and crust breaking magnetic valve (10) respectively; The 1st group of blanking blast pipe (15) is connected with blanking cylinder (2), (6) and blanking magnetic valve (9) inlet end, and blanking backwind tube (16) is connected with the air return end of blanking cylinder (2), (6) and blanking magnetic valve (9); The 2nd group of crust breaking blast pipe (17), backwind tube (18) and crust breaking magnetic valve (12) are fixed on upper part of the electrolytic cell, the 2nd group of blanking blast pipe (19), (20) and blanking magnetic valve (11) are fixed on upper part of the electrolytic cell, crust breaking blast pipe (17) is connected with crust breaking cylinder (4), (8) and crust breaking magnetic valve (12) air intake respectively, and crust breaking backwind tube (18) is connected with crust breaking cylinder (4), (8) and crust breaking magnetic valve (12) return air end respectively; Blanking blast pipe (19) is connected with blanking cylinder (3), (7) and blanking magnetic valve (11) air intake respectively, and blanking backwind tube (20) is connected with blanking cylinder (3), (7) and blanking magnetic valve (11) return air end respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620034384 CN200964441Y (en) | 2006-05-24 | 2006-05-24 | Prebaked aluminum cell cross crust breaking baiting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620034384 CN200964441Y (en) | 2006-05-24 | 2006-05-24 | Prebaked aluminum cell cross crust breaking baiting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200964441Y true CN200964441Y (en) | 2007-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620034384 Expired - Fee Related CN200964441Y (en) | 2006-05-24 | 2006-05-24 | Prebaked aluminum cell cross crust breaking baiting device |
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| CN (1) | CN200964441Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102534679A (en) * | 2010-12-17 | 2012-07-04 | 贵阳铝镁设计研究院有限公司 | Quasi-continuous blanking type crust breaking and blanking method for alumina electrolysis bath |
| CN104775135A (en) * | 2014-01-14 | 2015-07-15 | 贵阳铝镁设计研究院有限公司 | Electrolysis bath alumina discharge control method |
| CN106149006A (en) * | 2016-08-28 | 2016-11-23 | 包头铝业有限公司 | A kind of aluminum cell crust breaking, the control method of blanking system |
-
2006
- 2006-05-24 CN CN 200620034384 patent/CN200964441Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102534679A (en) * | 2010-12-17 | 2012-07-04 | 贵阳铝镁设计研究院有限公司 | Quasi-continuous blanking type crust breaking and blanking method for alumina electrolysis bath |
| CN104775135A (en) * | 2014-01-14 | 2015-07-15 | 贵阳铝镁设计研究院有限公司 | Electrolysis bath alumina discharge control method |
| CN106149006A (en) * | 2016-08-28 | 2016-11-23 | 包头铝业有限公司 | A kind of aluminum cell crust breaking, the control method of blanking system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071024 Termination date: 20110524 |