CN103938224A - Aluminum shielding brick and aluminum electrolytic cell using same - Google Patents
Aluminum shielding brick and aluminum electrolytic cell using same Download PDFInfo
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- CN103938224A CN103938224A CN201410128676.9A CN201410128676A CN103938224A CN 103938224 A CN103938224 A CN 103938224A CN 201410128676 A CN201410128676 A CN 201410128676A CN 103938224 A CN103938224 A CN 103938224A
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Abstract
The invention provides an aluminum shielding brick which comprises a strip body, wherein the surfaces on the upper and lower sides of the body are respectively multiple grooves I caved in the body, the grooves I are through slots penetrating through the front and rear sides of the body, a convex rib is formed between adjacent two grooves I, the left end of the body is provided with a convex block, the right end of the body is provided with a groove II, the groove II is a through slot penetrating through the front and rear sides of the body, the position of the convex block corresponds to the position of the groove II, the extension direction of the convex block is consistent with the direction of the groove II, the convex block and the groove II are consistent in section contour, two aluminum shielding bricks are arranged in a row and an end at which one of the aluminum shielding bricks is located and an end at which the groove II of the other aluminum shielding brick is located are pressed against together, and the convex block is just clamped in the groove II. The invention also discloses an aluminum electrolytic cell using the aluminum shielding brick, which can effectively reduce the flow velocity of aluminum liquid, inhibit the fluctuation of aluminum liquid, and enhance the stability thereof under the condition that the tie-up of carbon cathodes is reduced as far as possible and the obstacles of the normal conduction of cathode currents are avoided, and then achieve the effects of saving energy and reducing consumption, and can avoid a phenomenon that the aluminum shielding brick is floated in the process of being used.
Description
Technical field
The present invention relates to a kind of aluminium cell that keeps off aluminium brick and adopt this gear aluminium brick to make.
Background technology
The industrial main method of producing fine aluminium is sodium aluminum fluoride-alumina molten salt electrolysis method at present, because requiring electrolysis temperature, this method reaches 940 DEG C of left and right, electrolyzer heat lost by radiation is larger, utilization rate of electrical is less than 50%, in recent years, domestic electrolysis aluminum production enterprises is in the face of the pressure of existence, adopt new technology one after another, new technology reduces production costs, structurally carry out stabilising liq flow velocity by changing type structure in groove, the mode that reduces pole span reduces heat income, thereby reach the object that reduces energy consumption, this has just proposed requirements at the higher level to derived product, existing gear aluminium brick mostly is a post bar, stabilising liq flow velocity is not fine, and it is not associated between adjacent gear aluminium brick, along with the passing of duration of service, single gear aluminium brick often easily floats, after floating, need the gear aluminium brick more renewing.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of aluminium cell that keeps off aluminium brick and adopt this gear aluminium brick to make, can be in the situation that reducing to account for pressure carbon cathode as far as possible, avoiding hindering cathodic current normally, effectively reduce flow rate of aluminium liquid, suppress metal wave, improve electrolyzer stability, and then play energy-saving and cost-reducing effect, can avoid keeping off aluminium brick unsteady phenomenon in the process using simultaneously.
For solving above-mentioned existing technical problem, the present invention adopts following scheme: gear aluminium brick, comprise strip body, the both side surface up and down of described body is provided with some to the recessed groove I of body, described groove I is the groove that runs through the both sides, front and back of body, between adjacent two groove I, form projection stupefied, the right-hand member of described body is provided with projection, the left end of described body is provided with groove II, described groove II is the groove that runs through the both sides, front and back of body, described projection is corresponding with the position of groove II, the bearing of trend of described projection with the groove of groove II to consistent, the cross section profile of described projection and groove II is consistent, together with two gear aluminium bricks form a line and one of them the one end at projection place offsets with the one end at another groove II place time, projection is stuck in groove II just.
As preferably, the length of described groove I on the left and right directions of body is not less than 1/4 of body length.Groove I is too short make that carbon anode/cathode surface exposes just fewer, carbon anode/cathode body contacts just fewer with aluminium liquid.
As preferably, the stupefied cross-sectional shape of described projection be trapezoidal, trapezoidal minor face than long limit the center further from body.Contribute to moulding, while use, can reduce and the contacting of carbon anode/cathode surface simultaneously.
As preferably, the not little large body of the recessed degree of depth of described groove I on above-below direction height 1/3.The recessed degree of depth be greater than body 1/3 after, result of use extreme difference, can shorten 1/3 work-ing life, simultaneously suppression effect greatly reduces, and also easily causes new eddy current.
As preferably, the volume density of described gear aluminium brick is more than or equal to 3.15g/cm3.Ensure in use can not float, volume density increases can be made to be greatly improved in high temperature resistant acute degeneration, resistance to fouling.
The present invention simultaneously also provides another gear aluminium brick, comprise strip body, the both side surface up and down of described body is provided with some to the recessed groove I of body, described groove I is the groove that runs through the both sides, front and back of body, between adjacent two groove I, form projection stupefied, the left end of described body is provided with projection, the right-hand member of described body is provided with groove II, described projection is corresponding with the position of groove II, described groove II is cross structure, the bearing of trend of described projection with the groove of groove II to consistent, the profile of the profile of described projection and groove II is consistent, together with two gear aluminium bricks form a line and one of them the one end at projection place offsets with the one end at another groove II place time, projection is stuck in groove II just.
The present invention simultaneously also provides a kind of aluminium cell that adopts gear aluminium brick described above to make, comprise cell body, be arranged on the carbon anode/cathode body in cell body and be placed in some gear aluminium bricks of carbon anode/cathode surface, it is characterized in that: in described gear aluminium brick, part longitudinally arranges and is arranged into row, and in adjacent two gear aluminium bricks that longitudinally arrange, together with the one end at the projection place of offsets with the one end at another groove II place, the gear aluminium brick both sides that all the other keep off aluminium brick arranged transverselys and are distributed in longitudinal setting, and the gear aluminium brick of the arranged transversely of each side is all lined up some row, the projection of the gear aluminium brick of arranged transversely is towards the gear aluminium brick of longitudinal setting, between the gear aluminium brick of the gear aluminium brick of arranged transversely and longitudinally setting, there is spacing, the stupefied gear aluminium brick facing to arranged transversely of projection of the gear aluminium brick longitudinally arranging, the stupefied face of projection of the gear aluminium brick of arranged transversely is affixed on carbon anode/cathode surface.
Beneficial effect:
The present invention adopts the gear aluminium brick that technique scheme provides and the aluminium cell that adopts this gear aluminium brick to make, pressure carbon cathode can reduced to account for as far as possible, avoid hindering in the situation of cathodic current normally, effectively reduce flow rate of aluminium liquid, suppress metal wave, improve electrolyzer stability, and then play energy-saving and cost-reducing effect, simultaneously because the projection of adjacent two gear aluminium bricks and groove II coordinate and add the volume density of keeping off aluminium brick itself, can avoid keeping off aluminium brick unsteady phenomenon in the process using, even if the in use part damage of gear aluminium brick needs to change, also very convenient.
Brief description of the drawings
Fig. 1 is the vertical view that keeps off aluminium brick in the embodiment of the present invention one;
Fig. 2 is the front view of Fig. 1;
Fig. 3 is the vertical view that keeps off aluminium brick in the embodiment of the present invention two;
Fig. 4 is the front view of Fig. 3;
Fig. 5 is the left view that keeps off aluminium brick in the embodiment of the present invention three;
Fig. 6 is the right view that keeps off aluminium brick in the embodiment of the present invention three;
Fig. 7 is the structural representation of aluminium cell in the embodiment of the present invention three;
Fig. 8 is the sectional view at A-A place in Fig. 5.
Embodiment
Embodiment mono-:
As illustrated in fig. 1 and 2, gear aluminium brick, comprise strip body 1, the both side surface up and down of body 1 is provided with some to the recessed groove I 2 of body 1, groove I 2 is the groove that runs through the both sides, front and back of body, between adjacent two groove I, form projection stupefied 3, the right-hand member of body is provided with projection 4, the left end of body is provided with groove II 5, described groove II is the groove that runs through the both sides, front and back of body, projection is corresponding with the position of groove II, the bearing of trend of projection with the groove of groove II to consistent, the cross section profile of projection and groove II is consistent, together with two gear aluminium bricks form a line and one of them the one end at projection place offsets with the one end at another groove II place time, projection is stuck in groove II just, the length of groove I on the left and right directions of body 1 is not less than 1/4 of body 1 length, the stupefied cross-sectional shape of projection is trapezoidal, trapezoidal minor face is the center further from body than long limit, the not little large body 1 of the recessed degree of depth of groove I on above-below direction height 1/3, the volume density of gear aluminium brick is more than or equal to 3.15g/cm
3, in the composition of gear aluminium brick, by percentage to the quality, Al
2o
3>=92%, SiO
2≤ 4.5%, Fe
2o
3≤ 0.5%, CaO≤1.7%.
Embodiment bis-:
As shown in Figures 3 and 4, structure is basic identical with embodiment mono-, difference is, the two sides, front and back of body 1 also has the groove I 2 recessed to body 1, this groove I 2 is for running through the groove of upper and lower surface of body, forms projection stupefied 3 between adjacent two groove I, and the projection stupefied 3 on the two sides, front and back of body 1 is and is dislocatedly distributed with the projection stupefied 3 on upper and lower surface, this structure is better than embodiment mono-to the effect that reduces flow rate of aluminium liquid, inhibition metal wave, but die cost is relatively high compared with embodiment mono-.
Embodiment tri-:
As illustrated in Figures 5 and 6, structure is basic identical with embodiment mono-, and difference is, projection is cross structure, and corresponding groove II is also cross groove, and the benefit of this structure is, two blocks of gear aluminium turn after docking, place in any case, all should not relatively move.
Embodiment tetra-:
As shown in FIG. 7 and 8, aluminium cell, adopt the gear aluminium brick 8 as described in embodiment mono-or embodiment bis-to make, comprise cell body 6, be arranged on the carbon anode/cathode body 7 in cell body and be placed in some gear aluminium bricks 8 on carbon anode/cathode body 7 surfaces, in gear aluminium brick, part longitudinally arranges and is arranged into row, and in adjacent two gear aluminium bricks that longitudinally arrange, together with the one end at the projection place of offsets with the one end at another groove II place, the gear aluminium brick both sides that all the other keep off aluminium brick arranged transverselys and are distributed in longitudinal setting, and the gear aluminium brick of the arranged transversely of each side is all lined up some row, the projection of the gear aluminium brick of arranged transversely is towards the gear aluminium brick of longitudinal setting, between the gear aluminium brick of the gear aluminium brick of arranged transversely and longitudinally setting, there is spacing, the stupefied gear aluminium brick facing to arranged transversely of projection of the gear aluminium brick longitudinally arranging, the stupefied face of projection of the gear aluminium brick of arranged transversely is affixed on carbon anode/cathode body 7 surfaces.For the gear aluminium brick of arranged transversely, the stupefied surface of projection of one side is affixed on carbon anode/cathode body 7 surfaces, and the groove I part that is and carbon anode/cathode body 7 surfaces form built on stilts, increases the contact area that carbon anode/cathode body 7 surfaces can aluminium material, contributes to improve output capacity; Stupefied and the groove I for the projection of opposite side, when aluminium liquid flows through from gear aluminium brick top, the stupefied and groove I of projection contributes to suppress flow rate of aluminium liquid, has maelstrom is broken up to the effect of further breaing up for little eddy current, by little eddy current, reduces the generation of eddy current.For the gear aluminium brick of longitudinal setting, the projection of its both sides stupefied and and the gear aluminium brick of arranged transversely between gap all can there is the effect that reduces, suppresses flow rate of aluminium liquid, and for adjacent two gear aluminium bricks of longitudinal setting, owing to matching by projection and groove II between any two, therefore be in use difficult for floating, duration of service is long, simultaneously, when a certain gear aluminium brick damages ring, change very convenient.In the present embodiment, for the gear aluminium brick of arranged transversely, its projection also can be arranged perpendicular to carbon anode/cathode body 7 surfaces, accordingly, the groove of groove II is to being also perpendicular to carbon anode/cathode body 7 surfaces, in the time that two gear aluminium bricks connect together, can avoid being impacted and causing two gear aluminium bricks depart from or rock by aluminium liquid like this.
Claims (7)
1. gear aluminium brick, comprise strip body (1), it is characterized in that: the both side surface up and down of described body (1) is provided with some to the recessed groove I (2) of body (1), described groove I (2) is the groove that runs through the both sides, front and back of body, between adjacent two groove I, form projection stupefied (3), the right-hand member of described body is provided with projection (4), the left end of described body is provided with groove II (5), described groove II is the groove that runs through the both sides, front and back of body, described projection is corresponding with the position of groove II, the bearing of trend of described projection with the groove of groove II to consistent, the cross section profile of described projection and groove II is consistent, together with two gear aluminium bricks form a line and one of them the one end at projection place offsets with the one end at another groove II place time, projection is stuck in groove II just.
2. gear aluminium brick according to claim 1, is characterized in that: the length of described groove I on body left and right directions is not less than 1/4 of body length.
3. gear aluminium brick according to claim 1, is characterized in that: the stupefied cross-sectional shape of described projection be trapezoidal, trapezoidal minor face than long limit the center further from body.
4. gear aluminium brick according to claim 1, is characterized in that: the not little large body of the recessed degree of depth of described groove I on above-below direction height 1/3.
5. gear aluminium brick according to claim 1, is characterized in that: the volume density of described gear aluminium brick is more than or equal to 3.15g/cm
3.
6. gear aluminium brick, comprise strip body (1), it is characterized in that: the both side surface up and down of described body (1) is provided with some to the recessed groove I (2) of body (1), described groove I (2) is the groove that runs through the both sides, front and back of body, between adjacent two groove I, form projection stupefied (3), the left end of described body is provided with projection (4), the right-hand member of described body is provided with groove II (5), described projection is corresponding with the position of groove II, described groove II is cross structure, the bearing of trend of described projection with the groove of groove II to consistent, the profile of the profile of described projection and groove II is consistent, together with two gear aluminium bricks form a line and one of them the one end at projection place offsets with the one end at another groove II place time, projection is stuck in groove II just.
7. the aluminium cell that adopts the gear aluminium brick (8) as described in as arbitrary in claim 1 to 6 to make, comprise cell body (6), be arranged on the carbon anode/cathode body (7) in cell body and be placed in some gear aluminium bricks (8) on carbon anode/cathode body (7) surface, it is characterized in that: in described gear aluminium brick, part longitudinally arranges and is arranged into row, and in adjacent two gear aluminium bricks that longitudinally arrange, together with the one end at the projection place of offsets with the one end at another groove II place, the gear aluminium brick both sides that all the other keep off aluminium brick arranged transverselys and are distributed in longitudinal setting, and the gear aluminium brick of the arranged transversely of each side is all lined up some row, the projection of the gear aluminium brick of arranged transversely is towards the gear aluminium brick of longitudinal setting, between the gear aluminium brick of the gear aluminium brick of arranged transversely and longitudinally setting, there is spacing, the stupefied gear aluminium brick facing to arranged transversely of projection of the gear aluminium brick longitudinally arranging, the stupefied face of projection of the gear aluminium brick of arranged transversely is affixed on carbon anode/cathode surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410128676.9A CN103938224A (en) | 2014-04-01 | 2014-04-01 | Aluminum shielding brick and aluminum electrolytic cell using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410128676.9A CN103938224A (en) | 2014-04-01 | 2014-04-01 | Aluminum shielding brick and aluminum electrolytic cell using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103938224A true CN103938224A (en) | 2014-07-23 |
Family
ID=51186085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410128676.9A Pending CN103938224A (en) | 2014-04-01 | 2014-04-01 | Aluminum shielding brick and aluminum electrolytic cell using same |
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|---|---|
| CN (1) | CN103938224A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201261809Y (en) * | 2008-08-12 | 2009-06-24 | 高德金 | Cathode inner lining with molten aluminum magnetic vortex stream adjustment device |
| CN201665717U (en) * | 2010-03-01 | 2010-12-08 | 高德金 | Cathode lining and aluminium liquid magnetic rotating flow regulating block |
| CN202390548U (en) * | 2011-12-30 | 2012-08-22 | 欧建明 | Cathode structure with two-way current blocking shaped bosses |
| CN202705505U (en) * | 2012-08-06 | 2013-01-30 | 欧建明 | Integrated new type negative electrode structure of alien type negative electrode and flow-choking block |
| CN203782249U (en) * | 2014-04-01 | 2014-08-20 | 浙江立鑫高温耐火材料有限公司 | Aluminum blocking brick and aluminum electrolysis cell manufactured by adopting aluminum blocking brick |
-
2014
- 2014-04-01 CN CN201410128676.9A patent/CN103938224A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201261809Y (en) * | 2008-08-12 | 2009-06-24 | 高德金 | Cathode inner lining with molten aluminum magnetic vortex stream adjustment device |
| CN201665717U (en) * | 2010-03-01 | 2010-12-08 | 高德金 | Cathode lining and aluminium liquid magnetic rotating flow regulating block |
| CN202390548U (en) * | 2011-12-30 | 2012-08-22 | 欧建明 | Cathode structure with two-way current blocking shaped bosses |
| CN202705505U (en) * | 2012-08-06 | 2013-01-30 | 欧建明 | Integrated new type negative electrode structure of alien type negative electrode and flow-choking block |
| CN203782249U (en) * | 2014-04-01 | 2014-08-20 | 浙江立鑫高温耐火材料有限公司 | Aluminum blocking brick and aluminum electrolysis cell manufactured by adopting aluminum blocking brick |
Non-Patent Citations (1)
| Title |
|---|
| 刘驰等: "在产铝电解槽双向阻流节能技术工业试验", 《矿产与地质》, vol. 27, 27 October 2013 (2013-10-27) * |
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Application publication date: 20140723 |