CN202323057U - Bimetal setting blanking pipe orifice of alumina feeding device - Google Patents
Bimetal setting blanking pipe orifice of alumina feeding device Download PDFInfo
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- CN202323057U CN202323057U CN2011203609757U CN201120360975U CN202323057U CN 202323057 U CN202323057 U CN 202323057U CN 2011203609757 U CN2011203609757 U CN 2011203609757U CN 201120360975 U CN201120360975 U CN 201120360975U CN 202323057 U CN202323057 U CN 202323057U
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- pipe
- bimetal
- blanking pipe
- setting blanking
- feeding device
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Abstract
The utility model discloses a bimetal setting blanking pipe orifice of an alumina feeding device. The setting blanking pipe orifice is a component at the bottom of a guiding pipe of the alumina feeding device of an aluminum electrolysis cell. The setting blanking pipe orifice is technically characterized in that: in order that the upper end of the setting blanking pipe orifice is welded with the guiding pipe manufactured by using common carbon structural steel, a transition connecting pipe on the upper part of the setting blanking pipe orifice is manufactured by using the same common carbon structural steel for the guiding pipe, a heat-resistant steel pipe on the lower part of the setting blanking pipe orifice is manufactured by using a high-chromium alloy cast steel or heat-resistant ductile cast iron material with the effects of resisting high temperature, oxidation and electrolyte gas corrosion because the heat-resistant steel pipe at the lower part of the setting blanking pipe is required to be embedded into a coverage material crust of certain high temperature, and the upper and lower tubular components made of different materials are cast and connected together to form the bimetal setting blanking pipe orifice by adopting a casting technology.
Description
Technical field: alumina feeding device bimetal typing feed opening is the parts of aluminum oxide in aluminum electrolytic bath feeding device bimetal typing feed opening guide pipe bottom, promptly is embedded in the artificial typing feed opening in the electrolyzer mulch crust.
Technical background: existing general aluminum oxide in aluminum electrolytic bath feed way is with crust-breaking chips that is arranged on lower end in the guide pipe and alumina blanking pipe bottom, apart from alumina eltrolysis matter mulch identity distance highly about tens centimetres distance is arranged.During alumina feeding; Earlier earlier with crust-breaking chips under the reciprocating of crust breaking cylinder; The condensation crust of electrolyte solution is opened in impact, forms one to electrolyte solution adding alumina feeding hole, again with the effusive aluminum oxide powder of alumina blanking pipe; Impact the alumina feeding hole that ionogen condensation crust forms through crust-breaking chips, join in the liquid electrolyte.
The formed feed way of aluminum oxide in aluminum electrolytic bath feeding device bimetal typing feed opening, have following shortcoming,
1 crust-breaking chips is easy to wear, and maintenance capacity is big; 2 tremie pipes are reinforced inhomogeneous, cause the interior alumina concentration deviation of ionogen bigger; The hammering feed opening heat radiation two of 3 open types is bigger.
Summary of the invention; In order to change the general at present existing above-mentioned shortcoming of aluminum oxide in aluminum electrolytic bath crust breaking blanking device, the alumina blanking mode that only changes pushes feeding device with the inflow extruding and substitutes; Its technical scheme is; The alumina blanking pipe is connected with the crust-breaking chips guide pipe of original device, and the lower end with guide pipe connects a last typing blanking mouth of pipe again, and the lower end of the typing blanking mouth of pipe is embedded in the mulch crust layer; To improve the temperature of feed opening, forming artificial pinkeye is artificial typing feed opening.When reinforced; Earlier aluminum oxide powder is flowed into and be added in the high-temperature shaping blanking mouth of pipe; Make it to fuse the reaction of participation thermoelectrochemistry with the instant successive of electrolyte solution; The former crust-breaking chips that will be provided with simultaneously in the guide pipe transform pushing piston as, periodicly carries out reciprocal motion, and the aluminum oxide powder extruding that possibly form accumulation in the typing blanking mouth of pipe is pushed in the electrolyte solution.
Realize technique scheme; Gordian technique is to connect one at the lower end of guide pipe structure can be convenient to be welded to connect with guide pipe; Again can potential resistance to electrolyte contamination gas pickling, resistant to elevated temperatures, with it bury underground in the mulch crust can life-time service the artificial typing blanking mouth of pipe.In order to guarantee the above-mentioned realization that extruding again pushes the alumina feeding mode that flows into earlier, the invention provides the technical scheme of a kind of bimetal typing tremie pipe outlet structure and enforcement.
The technical characterictic of alumina feeding device bimetal typing blanking mouth of pipe knot of the present invention design is; Be welded to connect for the ease of the upper part that makes the typing blanking mouth of pipe and guide pipe with the carbon structural steel manufacturing; The transition pipe connecting parts on its typing blanking mouth of pipe top; The structural carbon steel manufacturing of usefulness and guide pipe homogeneous material, the heat resisting pipe of bottom branch has in certain pyritous insulation mulch crust layer because of being embedded in; So with high-chromium alloy cast steel or Heat-resistant Ductile Iron Containing manufacturing high temperature resistant, anti-oxidant, the potential resistance to electrolyte contamination gas pickling; Two tubular parts of homogeneous material not adopt the founding casting to link together up and down, constitute the aluminum oxide in aluminum electrolytic bath feeding device bimetal typing blanking mouth of pipe.
Adopt the alumina feeding device bimetal typing blanking mouth of pipe, existing aluminum oxide in aluminum electrolytic bath crust breaking blanking device is undergone technological transformation, promptly use the normal carbon steel welding technology; Alumina feeding device bimetal typing blanking mouth of pipe upper end is got the transition pipe connecting; Be welded to connect with the lower end of guiding material pipe, and lower part of the blanking mouth of pipe of will finalizing the design, i.e. high temperature steel pipe fitting part; Be located at and have in certain pyritous mulch crust; Just can realize, earlier the aluminum oxide powder inflow is added in the blanking mouth of pipe of high-temperature shaping, in electrolyte solution, implement extruding with pushing piston again and push the reinforced mode of production.
Adopt alumina feeding device bimetal typing tremie pipe vocal imitation skill, existing general aluminum oxide in aluminum electrolytic bath crust breaking blanking device is undergone technological transformation, push feeding device with the inflow extruding and substitute; Not only can overcome the general at present existing above-mentioned shortcoming of aluminum oxide in aluminum electrolytic bath crust breaking blanking device; Can also reach and reduce the crust-breaking chips maintenance cost, reduce the electrolyzer heat lost by radiation, balanced alumina concentration; Improve current efficiency, reach the aluminum electrolysis energy saving purposes.
Description of drawings: the structural scheme of the alumina feeding device bimetal typing blanking mouth of pipe of the present invention and technical characterictic are through embodiment explanation and accompanying drawing introduction, and be then more clear.
The front view of Fig. 1 bimetal typing tremie pipe mouth embodiment.
The synoptic diagram that Fig. 2 bimetal typing blanking mouth of pipe is installed in aluminum oxide in aluminum electrolytic bath feeding device system.
Shown in its figure: 1 transition pipe connecting, 2 heat resisting pipes, 3 guide pipes, 4 tremie pipes, 5 pushing pistons, 6 mulches crust layer, 7 ionogen liquid layers, 8 alumina material powder.
Specific embodiment; As implement the bimetal of alumina feeding device shown in the illustration 1 typing blanking mouth of pipe and form by transition pipe connecting (1) and (2) two unit architectures of bottom heat resisting pipe; Its top transition pipe connecting 1 parts; Because of being welded to connect with the guide pipe (3) of alumina feeding device; Therefore, transition pipe connecting (1) adopts and guide pipe (3) homogeneous material, and promptly the carbon structural steel steel pipe is made; And bottom heat resisting pipe (2) parts; Have in certain pyritous insulation mulch crust in (6) because of being embedded in, and contact, want metallic substance high temperature resistant, anti-oxidant, the electrolyte-resistant gaseous corrosion such as high-chromium alloy cast steel or high silicon heat resisting iron to make so adopt with the stronger electrolyte gas of corrodibility.Adopt founding generally speaking, two parts castings link together up and down.
The alumina feeding device bimetal typing blanking mouth of pipe of the present invention is to existing general aluminum oxide in aluminum electrolytic bath crust breaking blanking device, the core key part that undergoes technological transformation.As shown in Figure 2, the finalize the design lower end of top transition pipe connecting (1) and guide pipe (3) of the blanking mouth of pipe of bimetal is welded to connect, the part setting of bottom heat resisting pipe (3) is embedded in the above insulation mulch crust layer of electrolyte solution layer (7) (6).
The change of the concrete grade of steel material of the present invention alloying constituent will fall in the protection domain.
Claims (2)
1. the alumina feeding device bimetal typing blanking mouth of pipe; Form by two tubular parts structures up and down; It is characterized in that: transition pipe connecting (1) parts of bimetal typing blanking mouth of pipe upper end; Adopt guide pipe (3) the homogeneous material tubing that is welded to connect with it to make, bimetal typing blanking mouth of pipe lower end heat resisting pipe (2) parts adopt high temperature resistant, anti-oxidant, corrosion resistant high-chromium alloy cast steel or heat resisting iron material to make.
2. according to the described alumina feeding device of the claim 1 bimetal typing blanking mouth of pipe; It is characterized in that: transition pipe connecting (1) and Heat resisting cast steel pipe (2) part, adopt founding or weldprocedure that two part transition pipe connectings (1) are become a tubular part with Heat resisting cast steel pipe (2) tectonic association.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203609757U CN202323057U (en) | 2011-09-23 | 2011-09-23 | Bimetal setting blanking pipe orifice of alumina feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203609757U CN202323057U (en) | 2011-09-23 | 2011-09-23 | Bimetal setting blanking pipe orifice of alumina feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202323057U true CN202323057U (en) | 2012-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203609757U Expired - Fee Related CN202323057U (en) | 2011-09-23 | 2011-09-23 | Bimetal setting blanking pipe orifice of alumina feeding device |
Country Status (1)
| Country | Link |
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| CN (1) | CN202323057U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107687005A (en) * | 2016-08-05 | 2018-02-13 | 高德金 | A kind of new aluminum cell crust breaking feeding device |
-
2011
- 2011-09-23 CN CN2011203609757U patent/CN202323057U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107687005A (en) * | 2016-08-05 | 2018-02-13 | 高德金 | A kind of new aluminum cell crust breaking feeding device |
| CN107687005B (en) * | 2016-08-05 | 2021-11-02 | 高德金 | Novel aluminum cell crust breaking and feeding device |
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| 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 |
Granted publication date: 20120711 Termination date: 20140923 |
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| EXPY | Termination of patent right or utility model |