CN102061487B - External thermal insulation structure of electrolytic cell - Google Patents
External thermal insulation structure of electrolytic cell Download PDFInfo
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- CN102061487B CN102061487B CN2009103098706A CN200910309870A CN102061487B CN 102061487 B CN102061487 B CN 102061487B CN 2009103098706 A CN2009103098706 A CN 2009103098706A CN 200910309870 A CN200910309870 A CN 200910309870A CN 102061487 B CN102061487 B CN 102061487B
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Abstract
The invention discloses an external thermal insulation structure of an electrolytic cell, comprising the shell of the electrolytic cell, a thermal insulating layer and a protective layer, wherein the thermal insulating layer is arranged outside the shell of the aluminium electrolytic cell; and the protective layer can be arranged outside the thermal insulating layer optionally. A thermal insulation structure outside the aluminium electrolytic cell can be a full-thermal insulation structure outside the shell of the aluminium electrolytic cell and also can be a thermal insulation structure in a local range. The thermal insulation structure outside the aluminium electrolytic cell can be a fixed thermal insulation structure or a detachable thermal insulation structure, thus the problem of heat balance of the electrolytic cell can be solved under the condition that the stability of the electrolytic cell is strengthened, the electrode distance is reduced and the voltage is lowered; the normal working requirements of the electrolytic cell are met; and in particular, the cost and time can be greatly saved when the heat balance of the existing electrolytic cell is maintained.
Description
Technical field
The present invention relates to a kind of aluminium cell, particularly relate to a kind of outer insulation construction of aluminium cell.
Background technology
In the electrolysis of aluminum industry, for keeping thermal equilibrium and the energy balance in electrolysis production, at aluminum electrolytic cell bottom, be provided with thermal insulation layer more, above thermal insulation layer, be one deck antiseepage bed of material, on the antiseepage bed of material, build cathode carbon pieces by laying bricks or stones.Existing cell technologies is moved under high pole span, high-voltage, pay close attention to more the heat dissipation problem of electrolyzer, does not therefore take Insulation; But along with the reinforcement of stability of aluminum electrolytic bath, the reducing of pole span, the reduction of voltage, electrolyzer there will be the heat income to reduce and problem that heat dissipation capacity strengthens.Therefore, electrolyzer has the trend of cold trap, and for addressing this problem, new electrolyzer can be from the cell lining structure, and the aspect of inner lining material and size is improved.But for built electrolyzer of going into operation, to change inner lining structure and seem less feasible.
Summary of the invention
The technical problem to be solved in the present invention is to provide that a kind of to solve the colder and stove of electrolyzer side blocked up, can remain the outer insulation construction of the electrolyzer of the good thermal equilibrium state of electrolyzer, can overcome the deficiencies in the prior art.
Technical scheme of the present invention is: it comprises pot shell, on pot shell, is provided with attemperator, and attemperator consists of thermal insulation layer or consists of thermal insulation layer and protective layer.
The area that attemperator covers on pot shell is 1%～100%.
Attemperator is fixedly connected on pot shell or is movably connected on pot shell.
Thermal insulation layer be one deck, two-layer or two-layer more than, every one deck can adopt identical or different lagging material.
Thermal insulation layer is hard insulating material layer, semi hard insulating material layer, medium-soft vacuum material layer, soft adiabator layer, unshaped thermal-insulating material layer or shaped heat insulation material layer.
Between two hard insulating material layers, be provided with in ，Zai expansion joint, expansion joint and be filled with the flexibly thermal insulation material layer.
Protective layer is coat of metal, composite protection layer or the protective layer of wiping one's face.
Thermal insulation layer can adopt binding-type, the clay formula, and prefabricated thermal insulation layer structure, the pouring formula, filling type, the methods such as jet printing type are connected with aluminum cell casing.
Compared with the prior art; the present invention is by establishing attemperator on pot shell; attemperator consists of thermal insulation layer or consists of thermal insulation layer and protective layer; so just can strengthen in electrolyzer stability; pole span reduces, solve the thermal balance question of electrolyzer in the situation of loss of voltage; meet electrolyzer normal operation demand, particularly existing electrolyzer being carried out to thermal equilibrium can the greatly cost-saving and time while safeguarding.The area that attemperator covers on pot shell is 1%～100%, can conveniently set up electrolyzer thermal equilibrium like this, is convenient to regulate insulation intensity; To attemperator material used, thickness, the number of plies, mode of connection uniform requirement not, as long as simple possible.It is also a kind of feasible thermal equilibrium solution that the present invention simultaneously is applied on new electrolyzer.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is that electrolyzer adopts the wipe one's face insulation construction of protective layer of tabular hard and semi hard insulating material;
Fig. 3 electrolyzer insulation sectional schematic diagram
Fig. 4 electrolyzer insulation sectional schematic diagram
Embodiment
Embodiment 1: as shown in Figure 2, outside pot shell 1, lay thermal insulation layer 2, thermal insulation layer 2 can adopt tabular hard and semi hard insulating material layer, as the hydrophobic expansion pearlite thermal insulation layer, insulating cotton plate etc., when adopting the hard insulating material layer to do thermal insulation layer, between two hard insulating material layers, stay in ，Zai expansion joint, expansion joint and be filled with the flexibly thermal insulation material layer.After placing thermal insulation layer 2; by being welded on the fixing thermal insulation layer 2 of mounting block hook nail 4 on electrolytic bath shell 1; tighten with hook nail 4 with galvanized wire 5 and galvanized wire mesh 6 thermal insulation layer 2 outsides, on galvanized wire mesh 6, adopts the structure fabrication protective layer 3 of wiping one's face, and also can not make protective layer 3.
embodiment 2: as shown in figures 1 and 3, outside pot shell 1, lay thermal insulation layer 2, thermal insulation layer 2 can adopt the composition silicate felt, microporous calcium silicate products, rock wool and mineral wool blanket, slab products, superfine glass wool product, polyurethane foam plastic, the hydrophobic expansion pearlite goods, the cement expanded perlite goods, aluminium silicate products, multicellular glass etc., thermal insulation layer 2 can be for being one deck, more than two-layer or two-layer, every one deck can adopt identical or different lagging material, the protective layer 3 that thermal insulation layer 2 outsides are laid can be metal or aluminium foil glass reinforced plastic thin plate, by the mounting block pin 7 that is welded on electrolytic bath shell 1, connect thermal insulation layer 2 and protective layer 3, and fixing with pad 9 with nut 8.
Embodiment 3: as shown in Figure 1 and Figure 4; outside pot shell 1, be laid with attemperator; attemperator comprises thermal insulation layer 2 and protective layer 3; the area that attemperator covers on pot shell 1 is 1%～100%; protective layer 3 is composite protection layer, coat of metal or aluminium foil glass reinforced plastic thin plate, by the mounting block pin 10 that is welded on pot shell 1, with self-locking plate 11, is connected and fixed thermal insulation layer 2 and protective layer 3.On pot shell 1, can set up supporting member and support thermal insulation layer 2.
Claims (7)
1. the outer insulation construction of an aluminium cell, it comprises pot shell (1), it is characterized in that: on pot shell (1), be provided with attemperator, attemperator consists of thermal insulation layer (2) or by thermal insulation layer (2) and protective layer (3) formation; Attemperator is fixedly connected on pot shell (1) above or is movably connected on pot shell (1).
2. the outer insulation construction of aluminium cell according to claim 1, it is characterized in that: the area that attemperator covers on pot shell (1) is 1%～100%.
3. the outer insulation construction of aluminium cell according to claim 1 and 2 is characterized in that: thermal insulation layer (2) for one deck, two-layer or two-layer more than.
4. the outer insulation construction of aluminium cell according to claim 3 is characterized in that: thermal insulation layer (2) is hard insulating material layer, semi hard insulating material layer, medium-soft vacuum material layer, soft adiabator layer, unshaped thermal-insulating material layer or shaped heat insulation material layer.
5. the outer insulation construction of aluminium cell according to claim 4, is characterized in that: between two hard insulating material layers, be provided with in ，Zai expansion joint, expansion joint and be filled with the flexibly thermal insulation material layer.
6. the outer insulation construction of aluminium cell according to claim 1, it is characterized in that: protective layer (3) is coat of metal, composite protection layer or the protective layer of wiping one's face.
7. the outer insulation construction of aluminium cell according to claim 1, it is characterized in that: thermal insulation layer (2) adopts binding-type, the clay formula, prefabricated, the pouring formula, filling type or jet printing type are connected with aluminum cell casing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103098706A CN102061487B (en) | 2009-11-17 | 2009-11-17 | External thermal insulation structure of electrolytic cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103098706A CN102061487B (en) | 2009-11-17 | 2009-11-17 | External thermal insulation structure of electrolytic cell |
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| Publication Number | Publication Date |
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| CN102061487A CN102061487A (en) | 2011-05-18 |
| CN102061487B true CN102061487B (en) | 2013-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009103098706A Active CN102061487B (en) | 2009-11-17 | 2009-11-17 | External thermal insulation structure of electrolytic cell |
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| CN102979994B (en) * | 2012-11-30 | 2014-12-03 | 宁夏天纵泓光节能余热技术有限公司 | Method for manufacturing electric arc furnace fume heat insulating pipe and electric arc furnace fume heat insulating pipe |
| CN103320817A (en) * | 2013-07-09 | 2013-09-25 | 中国铝业股份有限公司 | Preparation method of heat-preserving and sealing structure above hearth of inert electrode aluminum electrolyzing tank |
| CN103556181B (en) * | 2013-10-28 | 2016-01-13 | 奉新赣锋锂业有限公司 | A kind of metal lithium electrolytic bath |
| CN106811771B (en) * | 2017-01-24 | 2020-03-17 | 贵阳铝镁设计研究院有限公司 | Furnace door type heat preservation composite covering method and device for aluminum electrolytic cell |
| CN107059056B (en) * | 2017-04-13 | 2019-03-22 | 中南大学 | A kind of clean aluminium cell of full automatic high efficiency |
| CN107012484B (en) * | 2017-04-13 | 2019-01-08 | 中南大学 | It is a kind of to adjust thermally equilibrated heat preservation of aluminium electrolytic cell method and apparatus using flue gas |
| CN110106527A (en) * | 2019-04-02 | 2019-08-09 | 贵州省六盘水双元铝业有限责任公司 | A kind of electrolytic cell stereoscopic heat-insulating device |
| CN113881968A (en) * | 2021-10-13 | 2022-01-04 | 酒泉钢铁(集团)有限责任公司 | Method for external heat preservation and energy saving and consumption reduction of aluminum cell furnace bottom |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN85100748A (en) * | 1985-04-01 | 1986-07-02 | 冶金工业部包头稀土研究院 | A kind of continuous electrolysis is produced the trench structure of neodymium metal and neodymium-iron alloy |
| CN1670257A (en) * | 2004-12-27 | 2005-09-21 | 沈阳铝镁设计研究院 | Lining structure of aluminium electrolytic bath |
| CN101457370A (en) * | 2008-05-27 | 2009-06-17 | 东北大学设计研究院（有限公司） | 400kA energy-saving and emission-reducing pre-baked aluminum cell |
| CN201545920U (en) * | 2009-10-21 | 2010-08-11 | 中国铝业股份有限公司 | Trough cover plate for electrolysis production |
-
2009
- 2009-11-17 CN CN2009103098706A patent/CN102061487B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85100748A (en) * | 1985-04-01 | 1986-07-02 | 冶金工业部包头稀土研究院 | A kind of continuous electrolysis is produced the trench structure of neodymium metal and neodymium-iron alloy |
| CN1670257A (en) * | 2004-12-27 | 2005-09-21 | 沈阳铝镁设计研究院 | Lining structure of aluminium electrolytic bath |
| CN101457370A (en) * | 2008-05-27 | 2009-06-17 | 东北大学设计研究院（有限公司） | 400kA energy-saving and emission-reducing pre-baked aluminum cell |
| CN201545920U (en) * | 2009-10-21 | 2010-08-11 | 中国铝业股份有限公司 | Trough cover plate for electrolysis production |
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| CN102061487A (en) | 2011-05-18 |
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Effective date of registration: 20191127 Address after: 563199 yingshanhu street, Bozhou District, Zunyi City, Guizhou Province Patentee after: Zunyi Aluminum Co., Ltd. Address before: 550081 2 Jin Zhu Road, Jinyang New District, Guizhou, Guiyang Patentee before: Guiyang Aluminum & Magnesium Design Institute Co., Ltd. |