CN205077156U - Big face groove cover of prebaked anode aluminum electrolytic cell - Google Patents
Big face groove cover of prebaked anode aluminum electrolytic cell Download PDFInfo
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- CN205077156U CN205077156U CN201520693864.6U CN201520693864U CN205077156U CN 205077156 U CN205077156 U CN 205077156U CN 201520693864 U CN201520693864 U CN 201520693864U CN 205077156 U CN205077156 U CN 205077156U
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- groove cover
- cover body
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- aluminium sheet
- plate
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Abstract
The utility model discloses a big face groove cover of prebaked anode aluminum electrolytic cell, including 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, 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 big face groove cover of prebaked anode aluminum electrolytic cell is through setting up aluminum plate into two -layer to set up between inboard aluminum plate and outside aluminum plate and hinder the thermosphere, can effectively increase the heat dissipation thermal resistance, reduce calorific loss, play the heat preservation effect, and finally reach energy saving and consumption reduction's purpose.
Description
Technical field
The utility model belongs to alternate anode aluminium cell technical field, is specifically related to a kind of prebaked cell for aluminum-reduction large surface-grooved cover.
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 prebaked cell for aluminum-reduction large surface-grooved cover, 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 prebaked cell for aluminum-reduction large surface-grooved cover, comprise groove cover body, the upper end of described groove cover body is provided with upper head plate, and 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:
Prebaked cell for aluminum-reduction large surface-grooved cover of the present utility model, two-layer by aluminium sheet is set to, and heat resistant layer is set 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 prebaked cell for aluminum-reduction large surface-grooved cover embodiment;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the A-A sectional view of Fig. 1;
Fig. 4 is the sectional view of the large surface-grooved cover adopting parent form web member;
Fig. 5 is the B detail drawing of Fig. 3;
Fig. 6 is the structural representation between base plate and groove cover body;
Fig. 7 is the structural representation of the prebaked cell for aluminum-reduction adopting the present embodiment large surface-grooved cover.
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 7, for adopting the structural representation of the prebaked cell for aluminum-reduction of the present embodiment large surface-grooved cover.This prebaked cell for aluminum-reduction comprises 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.As shown in Figure 1, the large surface-grooved cover 8 of the present embodiment comprises groove cover body 9, and 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 prebaked cell for aluminum-reduction large surface-grooved cover of the present embodiment, two-layer by aluminium sheet is set to, and heat resistant layer is set 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 prebaked cell for aluminum-reduction large surface-grooved cover, comprises groove cover body, and the upper end of described groove cover body is provided with upper head plate, and 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. prebaked cell for aluminum-reduction large surface-grooved cover according to claim 1, it 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. prebaked cell for aluminum-reduction large surface-grooved cover according to claim 2, it 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. prebaked cell for aluminum-reduction large surface-grooved cover 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. prebaked cell for aluminum-reduction large surface-grooved cover 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. prebaked cell for aluminum-reduction large surface-grooved cover 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 prebaked cell for aluminum-reduction large surface-grooved cover 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520693864.6U CN205077156U (en) | 2015-09-09 | 2015-09-09 | Big face groove cover of prebaked anode aluminum electrolytic cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520693864.6U CN205077156U (en) | 2015-09-09 | 2015-09-09 | Big face groove cover of prebaked anode aluminum electrolytic cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205077156U true CN205077156U (en) | 2016-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520693864.6U Expired - Fee Related CN205077156U (en) | 2015-09-09 | 2015-09-09 | Big face groove cover of prebaked anode aluminum electrolytic cell |
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| CN (1) | CN205077156U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105803485A (en) * | 2016-04-13 | 2016-07-27 | 中南大学 | Double-layer aluminum electrolysis cell cover plate with side inspiration and enhanced thermal insulation |
| CN106757158A (en) * | 2016-11-23 | 2017-05-31 | 中国铝业股份有限公司 | A kind of plication aluminium electrolysis cell cover plate |
-
2015
- 2015-09-09 CN CN201520693864.6U patent/CN205077156U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105803485A (en) * | 2016-04-13 | 2016-07-27 | 中南大学 | Double-layer aluminum electrolysis cell cover plate with side inspiration and enhanced thermal insulation |
| CN105803485B (en) * | 2016-04-13 | 2018-01-16 | 中南大学 | A kind of sidepiece air-breathing and the Double-layer aluminum reduction cell cover plate of enhancing insulation |
| CN106757158A (en) * | 2016-11-23 | 2017-05-31 | 中国铝业股份有限公司 | A kind of plication aluminium electrolysis cell cover plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |