CN205077157U - Heat preservation type prebaked anode aluminum electrolytic cell - Google Patents
Heat preservation type prebaked anode aluminum electrolytic cell Download PDFInfo
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- CN205077157U CN205077157U CN201520693955.XU CN201520693955U CN205077157U CN 205077157 U CN205077157 U CN 205077157U CN 201520693955 U CN201520693955 U CN 201520693955U CN 205077157 U CN205077157 U CN 205077157U
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Abstract
The utility model discloses a heat preservation type prebaked anode aluminum electrolytic cell, including superstructure, negative pole structure and cathode bus, superstructure includes girder, door shape stand, positive pole charcoal block group, the big generating line of positive pole, positive pole hoist mechanism, crust breaking unloading system and the airtight system of discharging fume, the airtight system of discharging fume is including the big face groove cover who sets up in both sides, big face groove cover includes the groove cover body, the upper end of groove cover body is equipped with the upper head plate, and the lower extreme is equipped with the bottom plate, just the both sides of groove cover body are equipped with public type connecting piece or parent form connecting piece, its characterized in that: the groove cover body includes inboard aluminum plate and outside aluminum plate, be equipped with the thermosphere that hinders that adopts the packing of ceramic fibre paper between inboard aluminum plate and the outside aluminum plate, just still be equipped with antimagnetic corrosion resistant plate on the inboard aluminum plate. The utility model discloses a heat preservation type prebaked anode aluminum electrolytic cell can effectively increase the heat dissipation thermal resistance, reduces calorific loss.
Description
Technical field
The utility model belongs to cell technologies field, is specifically related to a kind of thermal-insulating type prebaked cell for aluminum-reduction.
Background technology
Electrolyzer is saved electric energy in producing and is mainly contained three approach, and one is improve current efficiency, and two is reduce average voltage, and three is the heat loss amounts reducing electrolyzer.When raising current efficiency or reduction system voltage, the energy balance of electrolyzer changes.Improve current efficiency then to increase for the electric energy compensated needed for electrolysis, the energy income reducing system voltage then electrolyzer reduces, and both all need the measure taking to reduce electrolyzer heat loss amount.
Groove cover plate is the very important integral part of electrolyzer, and its Main Function has: prevent electrolyzer flue gas (HF, CO, SO2) from spreading, seal, and improves gas collecting efficiency; Prevent entering of heat leak and cool ambient air in electrolyzer.
For electrolyzer, with groove along plate for boundary, upper and lower heat dissipation capacity is substantially equal, respectively accounts for 50%.Substructure heat radiation mainly affects by envrionment temperature and air velocity, and people overcomes for being difficult to, and usually adopts increase trench bottom and the insulation of groove sidewall to reduce substructure heat loss amount in current industry.And the heat dissipation capacity on top and negative pressure value in envrionment temperature, air velocity, gas skirt and cell body thermal resistance of dispelling the heat is relevant, artificial adjustable factors is negative pressure value and cell body heat radiation thermal resistance in gas skirt.Gas skirt negative pressure value is substantially determined concerning system capability and environmental requirement, can not arbitrarily adjust.Existing electrolyzer large surface-grooved cover generally adopts single layer aluminium sheet to make, although can meet service requirements to a certain extent, its heat radiation thermal resistance is less, causes calorific loss larger.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of thermal-insulating type prebaked cell for aluminum-reduction, can effectively increase heat radiation thermal resistance, reduces calorific loss.
For achieving the above object, the utility model provides following technical scheme:
A kind of thermal-insulating type prebaked cell for aluminum-reduction, comprise superstructure, cathode construction and negative busbar, described superstructure comprises crossbeam, door shape column, anode carbon block group, anode large bus bar, anode lifting mechanism, crust-breaking & baiting system and airtight fume exhaust system, described airtight fume exhaust system comprises the large surface-grooved cover being arranged on both sides, described large surface-grooved cover comprises groove cover body, the upper end of described groove cover body is provided with upper head plate, lower end is provided with base plate, and the both sides of described groove cover body are provided with male web member or parent form web member; Described groove cover body comprises inner side aluminium sheet and outside aluminium sheet, is provided with the heat resistant layer adopting ceramic fiber paper to fill, and described inner side aluminium sheet is also provided with antimagnetic stainless steel plate between described inner side aluminium sheet and outside aluminium sheet.
Further, the lower end of described base plate and described groove cover body is welded and fixed, and the angle between described base plate and described groove cover body is 137 °.
Further, the upper end of described upper head plate and described groove cover body is welded and fixed, and the angle between described upper head plate and described groove cover body is 90 °.
Further, described base plate is equipped with U-shaped insulating protective cover away from one end of described groove cover body and described upper head plate away from one end of described groove cover body.
Further, described U-shaped insulating protective cover is with bolts between corresponding described upper head plate or base plate.
Further, described bolt is provided with insulating washer with between corresponding described upper head plate or base plate.
Further, described outside aluminium sheet is provided with the stiffening web for strengthening described groove cover body structural strength; Described male web member or parent form web member are arranged on the aluminium sheet of inner side.
The beneficial effects of the utility model are:
Thermal-insulating type prebaked cell for aluminum-reduction of the present utility model, by arranging two-layer aluminium sheet on large surface-grooved cover, and arranges heat resistant layer between inner side aluminium sheet and outside aluminium sheet, can effectively increase heat radiation thermal resistance, reduce calorific loss, play insulation effect, and finally reach energy-saving and cost-reducing object.
Accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and beneficial effect clearly, the utility model provides following accompanying drawing to be described:
Fig. 1 is the structural representation of the utility model thermal-insulating type prebaked cell for aluminum-reduction embodiment;
Fig. 2 is the structural representation of large surface-grooved cover;
Fig. 3 is the vertical view of Fig. 2;
Fig. 4 is the A-A sectional view of Fig. 2;
Fig. 5 is the sectional view of the large surface-grooved cover adopting parent form web member;
Fig. 6 is the sectional view of groove cover body;
Fig. 7 is the structural representation between base plate and groove cover body.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, and to make those skilled in the art better can understand the utility model being implemented, but illustrated embodiment is not as to restriction of the present utility model.
As shown in Figure 1, be the structural representation of the utility model thermal-insulating type prebaked cell for aluminum-reduction embodiment.The thermal-insulating type prebaked cell for aluminum-reduction of the present embodiment, comprise superstructure, cathode construction and negative busbar, described superstructure comprises crossbeam 1, door shape column 2, anode carbon block group 3, anode large bus bar 4, anode lifting mechanism 5, crust-breaking & baiting system 6 and airtight fume exhaust system 7, and anode carbon block group 3 comprises anode carbon block and anode rod 23.Described airtight fume exhaust system 7 comprises the large surface-grooved cover 8 being arranged on both sides, described large surface-grooved cover 8 comprises groove cover body 9, the upper end of described groove cover body 9 is provided with upper head plate 10, and lower end is provided with base plate 11, and the both sides of described groove cover body 9 are provided with male web member 12 or parent form web member 13.Described groove cover body 9 comprises inner side aluminium sheet 14 and outside aluminium sheet 15, is provided with the heat resistant layer 16 adopting ceramic fiber paper to fill, and described inner side aluminium sheet 14 is also provided with antimagnetic stainless steel plate 17 between described inner side aluminium sheet 14 and outside aluminium sheet 15.
Further, the base plate 11 of the present embodiment is welded and fixed with the lower end of described groove cover body 9, and the angle between described base plate 11 and described groove cover body 9 is 137 °.The upper head plate 10 of the present embodiment is welded and fixed with the upper end of described groove cover body 9, and the angle between described upper head plate 10 and described groove cover body 9 is 90 °.
Further, base plate 11 is equipped with U-shaped insulating protective cover 18 away from one end of described groove cover body 9 and described upper head plate 10 away from one end of described groove cover body 9.The U-shaped insulating protective cover 18 of the present embodiment adopts bolt 19 to connect with between corresponding described upper head plate 10 or base plate 11.Bolt 19 is provided with insulating washer 20 with between corresponding described upper head plate 10 or base plate 11.Base plate is provided with stiffening plate 22.
Further, the outside aluminium sheet 15 of the present embodiment is provided with the stiffening web 21 for strengthening described groove cover body 9 structural strength; Described male web member 12 or parent form web member 13 are arranged on the aluminium sheet 14 of inner side.
The thermal-insulating type prebaked cell for aluminum-reduction of the present embodiment, by arranging two-layer aluminium sheet on large surface-grooved cover, and arranges heat resistant layer between inner side aluminium sheet and outside aluminium sheet, can effectively increase heat radiation thermal resistance, reduce calorific loss, play insulation effect, and finally reach energy-saving and cost-reducing object.
The above embodiment is only for absolutely proving the preferred embodiment that the utility model is lifted, and protection domain of the present utility model is not limited thereto.The equivalent alternative or conversion that those skilled in the art do on the utility model basis, all within protection domain of the present utility model.Protection domain of the present utility model is as the criterion with claims.
Claims (7)
1. a thermal-insulating type prebaked cell for aluminum-reduction, comprise superstructure, cathode construction and negative busbar, described superstructure comprises crossbeam, door shape column, anode carbon block group, anode large bus bar, anode lifting mechanism, crust-breaking & baiting system and airtight fume exhaust system, described airtight fume exhaust system comprises the large surface-grooved cover being arranged on both sides, it is characterized in that: described large surface-grooved cover comprises groove cover body, the upper end of described groove cover body is provided with upper head plate, lower end is provided with base plate, and the both sides of described groove cover body are provided with male web member or parent form web member; It is characterized in that: described groove cover body comprises inner side aluminium sheet and outside aluminium sheet, be provided with the heat resistant layer adopting ceramic fiber paper to fill between described inner side aluminium sheet and outside aluminium sheet, and described inner side aluminium sheet is also provided with antimagnetic stainless steel plate.
2. thermal-insulating type prebaked cell for aluminum-reduction according to claim 1, is characterized in that: the lower end of described base plate and described groove cover body is welded and fixed, and the angle between described base plate and described groove cover body is 137 °.
3. thermal-insulating type prebaked cell for aluminum-reduction according to claim 2, is characterized in that: the upper end of described upper head plate and described groove cover body is welded and fixed, and the angle between described upper head plate and described groove cover body is 90 °.
4. thermal-insulating type prebaked cell for aluminum-reduction according to claim 3, is characterized in that: described base plate is equipped with U-shaped insulating protective cover away from one end of described groove cover body and described upper head plate away from one end of described groove cover body.
5. thermal-insulating type prebaked cell for aluminum-reduction according to claim 4, is characterized in that: described U-shaped insulating protective cover is with bolts between corresponding described upper head plate or base plate.
6. thermal-insulating type prebaked cell for aluminum-reduction according to claim 5, is characterized in that: described bolt is provided with insulating washer with between corresponding described upper head plate or base plate.
7. the thermal-insulating type prebaked cell for aluminum-reduction according to any one of claim 1-6, is characterized in that: described outside aluminium sheet is provided with the stiffening web for strengthening described groove cover body structural strength; Described male web member or parent form web member are arranged on the aluminium sheet of inner side.
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CN201520693955.XU CN205077157U (en) | 2015-09-09 | 2015-09-09 | Heat preservation type prebaked anode aluminum electrolytic cell |
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CN201520693955.XU CN205077157U (en) | 2015-09-09 | 2015-09-09 | Heat preservation type prebaked anode aluminum electrolytic cell |
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CN201520693955.XU Expired - Fee Related CN205077157U (en) | 2015-09-09 | 2015-09-09 | Heat preservation type prebaked anode aluminum electrolytic cell |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106400053A (en) * | 2016-06-22 | 2017-02-15 | 贵阳铝镁设计研究院有限公司 | Integrally-formed aluminum electrolytic cell based on cathode inner liner and integral forming method thereof |
CN107400902A (en) * | 2016-05-18 | 2017-11-28 | 王晓宇 | Engineering method is increased in jacking to aluminum electrolysis cell upper part structure online |
CN108441891A (en) * | 2018-05-14 | 2018-08-24 | 中国铝业股份有限公司 | A method of adjusting aluminum cell side energy balance |
-
2015
- 2015-09-09 CN CN201520693955.XU patent/CN205077157U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107400902A (en) * | 2016-05-18 | 2017-11-28 | 王晓宇 | Engineering method is increased in jacking to aluminum electrolysis cell upper part structure online |
CN106400053A (en) * | 2016-06-22 | 2017-02-15 | 贵阳铝镁设计研究院有限公司 | Integrally-formed aluminum electrolytic cell based on cathode inner liner and integral forming method thereof |
CN108441891A (en) * | 2018-05-14 | 2018-08-24 | 中国铝业股份有限公司 | A method of adjusting aluminum cell side energy balance |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160309 Termination date: 20160909 |