CN104593824A - Method for producing steel claw protecting ring by using electrolytic aluminum cover material - Google Patents
Method for producing steel claw protecting ring by using electrolytic aluminum cover material Download PDFInfo
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- CN104593824A CN104593824A CN201510052255.7A CN201510052255A CN104593824A CN 104593824 A CN104593824 A CN 104593824A CN 201510052255 A CN201510052255 A CN 201510052255A CN 104593824 A CN104593824 A CN 104593824A
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- steel claw
- mulch
- electrolytic aluminum
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
- C25C3/08—Cell construction, e.g. bottoms, walls, cathodes
- C25C3/12—Anodes
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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
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- Organic Chemistry (AREA)
- Electrolytic Production Of Metals (AREA)
Abstract
The invention discloses a method for producing a steel claw protecting ring by using an electrolytic aluminum cover material as aggregate. The method comprises the following steps: firstly, proportioning materials by mass percent, wherein the content of the cover material is 93-95%, the content of C3H70 (hydroxypropyl methylcellulose) is 3-4%, and the content of asphalt is 2-3%; adding a proper volume of water, heating to the temperature of 50-85 DEG C, and uniformly stirring; molding; demolding, feeding to a roasting chamber, heating to the temperature of 200-250 DEG C, and roasting for 2-4 hours; cooling. The method has the advantages that the production cost can be reduced, the environment is protected, the working efficiency is increased, the labor operation environment for workers is improved, the workload of a later stage is reduced, and the like; the method can be used for producing the steel claw protecting ring.
Description
Technical field
The present invention relates to a kind of production method of steel claw protection ring, particularly relate to a kind of production method of electrolytic aluminum mulch steel claw protection ring.
Background technology
Existing steel claw protection ring is generally the steel claw protection ring that carbon material is produced; in order to steel pawl is not melted by the aluminium liquid of high temperature when Aluminum Electrolysis Production; its formation component is approximately after-smithing petroleum coke 70 ~ 80%; pitch 30 ~ 20%; carbon product steel claw protection ring effectively protects the least possible not melted by high temperature aluminum liquid of steel pawl; guarantee the low iron-holder of aluminium liquid, but also there is following weak point in it:
1) it is bulk cargo form, needs special operator manually to load, increases cost of labor;
2) due in filling work area, there is people and fork truck cross-operation, cause very large potential safety hazard;
3) because it is bulk cargo form, so need a special paper ring to retrain when loading, waste paper;
4) asphalt content is too high, can discharge a large amount of obnoxious flavour in electrolyzer after high-temperature roasting, serious environment pollution;
5) in subsequent production, due to some cause specifics, small portion steel pawl can be melted by high temperature aluminum liquid, and now the guard ring of carbon product can drop in electrolyzer, forms breeze, needs special equipment to pull out, affects electrolysis production;
6) working efficiency is not high: manually load mode of operation owing to adopting, and the filling workload of everyone per tour is about 100 pieces of anodes (400 rings);
7) cost is relatively high.
Summary of the invention
The object of this invention is to provide a kind of production method of electrolytic aluminum mulch steel claw protection ring, can save production cost, protection of the environment, increases work efficiency, and improves workman's labor operation environment, alleviates later stage work amount.
For achieving the above object, the technical solution used in the present invention is:
The production method of a kind of electrolytic aluminum mulch steel claw protection ring of the present invention, comprise step as follows: first, prepare burden by mass percentage, wherein mulch content 93 ~ 95%, C3H70 (Vltra tears) content 4 ~ 3%, asphalt content 3 ~ 2%; Add suitable quantity of water, be heated to 50 ~ 80 DEG C, stir; Shaping; The demoulding, sends into roasting chamber and heats to 200 ~ 250 DEG C of roasting 2 ~ 4h; Cooling.
Compared to existing technology, because the present invention does not need to use paper ring and the minimizing of the usage quantity of pitch, therefore saved very large cost and protected environment, the present invention is shaping in advance, special messenger is not needed to load operation, improve working efficiency, in addition, the present invention in the broken production process of ionogen without go-no-go, even if there occurs molten pawl (steel pawl in electrolyzer by high temperature aluminum aqueous fusion) phenomenon, also breeze can not be formed, guard ring still can float over above aluminium liquid and form mulch, the fragmentation of artificial go-no-go ionogen can be saved and drag for slag work, alleviate later stage work amount.The aggregate of this guard ring comes from mulch in electrolyzer, pollution-free to mulch in groove; Owing to adding certain water before production process, so no dust pollution in process of production; Shaping owing to adopting professional mould to carry out, so specification is consistent, improve installation effectiveness; Owing to adopting mechanization production to replace handwork, so can scale operation, boost productivity, reduce costs: owing to adopting extrusion forming technology, guard ring degree of compactness improves greatly, adds the protected effect to steel pawl; When electrolysis production, be shaping guard ring due to what obtain, decrease operating personnel, improve workman's operating efficiency.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with embodiment, technical scheme of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to protection scope of the present invention.
The production method of a kind of electrolytic aluminum mulch steel claw protection ring of this embodiment, comprises step as follows:
Prepare burden by mass percentage, wherein mulch (described mulch is that 100% ~ 80%Na3A1F6 adds 0 ~ 20%A1203) content 93 ~ 95%, C3H70 (Vltra tears) content 4 ~ 3%, asphalt content 3 ~ 2%;
The material prepared is sent into stirrer, adds suitable quantity of water, be heated to 50 ~ 80 DEG C, start is stirred, and stirs, (centre does not reduce temperature, makes C3H70 give full play to adhesive effect);
On shaping table top, in mould and on crowded head, spray releasing agent, prevent material from adhering on table top, mould or extrusion head; The material equipment be stirred is sent into particular manufacturing craft, opens extrusion equipment, be pressurized to 2 ~ 5Mpa, keep the 30s time, make guard ring extrusion molding, increase degree of compactness; Promote mould, newly protection is retained on shaping table top;
Starting transfer mechanism is pushed on protection articulating fortune pallet by guard ring;
Pallet is delivered to preliminary laydown area by artificial go-cart car or equipment, and (laydown area temperature is 20 DEG C ~ 40 DEG C, generally must not lower than 5 DEG C), stack about 24h (need extend when temperature is too low and stack storage time), carry out preliminary hydro-extraction, new guard ring is fully solidified, and intensity rises (must not carry when undercapacity);
After guard ring intensity rises, send into roasting chamber's heating, be progressively warming up to 200 ~ 400 DEG C, first one-step baking 2 ~ 4 hours, new guard ring is dewatered completely, and pitch starts to infiltrate aggregate, and to make guard ring, in electrolyzer temperature-rise period, better sintering is hardening;
Send into storehouse after cooling, prepare shipping.
The significant beneficial effect that the embodiment of the present invention is brought is as follows:
1) production cost is reduced: in prior art, the total cost of the cost of each guard ring is about 3.7 yuan/and (calculates by steel pawl diameter phi 140mm; the guard ring cost of φ 160mm and φ 180mm steel pawl is higher); and embodiment of the present invention guard ring total cost is about 3 yuan/; calculate with 600,000 tons of electrolytic aluminium factories (monthly using 100,000), year is cost-saving is 840,000 yuan.The current whole nation builds production capacity and has broken through 3,200 ten thousand tons, if adopt guard ring of the present invention, then annual cost-saving be 4,480 ten thousand yuan.
2) paper using is saved; protection of the environment: adopt prior art to produce steel claw protection ring; each guard ring needs the outer shroud of a papery (each paper ring weight is 27g); calculate by the electrolytic aluminums of 600,000 tons; need about 1,200,000 paper rings every year; year saves paper using about 32.4 tons, builds up production capacity 3,200 ten thousand tons calculating by domestic, and year saves paper using 1728 tons.
3) reduce pitch to use, protection of the environment: former charcoal element guard ring sinters when electrolysis roasting for guaranteeing, pitch proportioning is 20 ~ 30%, with each guard ring 3.2Kg Material calculation, the content of each guard ring medium pitch is at 0.64 ~ 0.96Kg, calculate by the electrolytic aluminums of 600,000 tons, need about 1,200,000 guard rings every year, year asphalt content is 768 ~ 1152 tons, production capacity 3,200 ten thousand tons calculating is built up by domestic electrolytic aluminum, year asphalt content is 40960 ~ 61440 tons, calculate by ton pitch Air–pollution From Combustion 10000m3 air (being all high sulfur-containing smoke gas), year polluted air amount is 4.09 ~ 6.14 billion cubic meters.Embodiment of the present invention guard ring adopts low pitch proportioning; consumption is that prior art produces 1/7 ~ 1/10 of guard ring method; adopt if the whole nation is promoted; then year minimum saving pitch about 3.5 ten thousand tons; year decreasing pollution air about 3.5 billion cubic meter; maximum saving 4.3 ten thousand tons, year decreasing pollution air about 4.3 billion cubic meter.
4) cut payroll to improve efficiency: former the whole of carbon steel claw protection ring use are bulk materials; special messenger is needed to load (workload of general carbon ring filling operating personnel per tour is 100 pieces of anodes (400 guard rings)); embodiment of the present invention guard ring is product shaping in advance; do not need special messenger's operation; only need in potroom by the installation when change poles of change poles work; calculate to produce 600000 tons of electrolytic aluminium factories per year; can reduce by 8 operator, national aluminium industry can reduce operator more than 400 people.
5) workman's labor operation environment is improved: the guard ring of prior art manually loads operation because needs store storehouse at charcoal block; and anode unit go out warehouse-in be all forklift workability; site work is people, car cross-operation all the time, certainly will cause potential safety hazard.On the other hand due to manual work, spilling of material is inevitable, and after material lands, due to repeatedly rolling of fork truck, become inhalable fine dust, at fork truck through later, dust from flying, threatens to the healthy of operator.And embodiment of the present invention guard ring is owing to being the product be shaped; do not need artificial operation in charcoal block storehouse; avoid on the one hand the potential safety hazard that fork truck and artificial cross-operation bring, also due to pollution-free to scene, also effectively prevent the health of dust to operator and damage.
6) later stage work amount is alleviated: this wherein has two aspects; one is that the guard ring of prior art is owing to being carbon product; can not use as mulch; so clearing up anode scrap; in the broken production process of ionogen; artificial go-no-go need be carried out, to guarantee the clean of mulch to the charcoal element guard ring of fragmentation.Two is in electrolysis production process; molten pawl (steel pawl in electrolyzer by the high temperature aluminum aqueous fusion) phenomenon of some can be there is; now; charcoal element guard ring can drop in electrolysis except in groove; form breeze; add the multifunction crane in subsequent production drag for slag workload, disadvantageous effect is caused to electrolysis.And the guard ring one of the embodiment of the present invention is without go-no-go in the broken production process of ionogen, even if two is there occurs molten pawl phenomenon, also can not form breeze, guard ring still can float over above aluminium liquid and form mulch.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, will be understood by those skilled in the art that: it still can be modified to the technical scheme described in foregoing embodiments, or equivalent replacement is carried out to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (4)
1. electrolytic aluminum mulch is the production method that aggregate makes steel claw protection ring, it is characterized in that, comprises step as follows: first, prepare burden by mass percentage, wherein mulch content 93 ~ 95%, C3H70 (Vltra tears) content 4 ~ 3%, asphalt content 3 ~ 2%; Add suitable quantity of water, be heated to 50 ~ 80 DEG C, stir; Shaping; The demoulding, sends into roasting chamber and heats to 200 ~ 250 DEG C of roasting 2 ~ 4h; Cooling.
2. a kind of electrolytic aluminum mulch according to claim 1 is the production method that aggregate makes steel claw protection ring; it is characterized in that, described forming operation is as follows: the material equipment be stirred is sent into particular manufacturing craft, opens extrusion equipment; be pressurized to 2 ~ 5Mpa, keep 30s.
3. a kind of electrolytic aluminum mulch according to claim 1 and 2 is the production method that aggregate makes steel claw protection ring, and it is characterized in that, before baking operation, tentatively pile, laydown area temperature is 20 DEG C ~ 40 DEG C, stacks about 24h, then carries out preliminary hydro-extraction.
4. a kind of electrolytic aluminum mulch according to claim 3 is the production method that aggregate makes steel claw protection ring, and it is characterized in that, described mulch is mixed by 100% ~ 80%Na3AlF6 and 0 ~ 20%Al2O3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510052255.7A CN104593824A (en) | 2015-02-02 | 2015-02-02 | Method for producing steel claw protecting ring by using electrolytic aluminum cover material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510052255.7A CN104593824A (en) | 2015-02-02 | 2015-02-02 | Method for producing steel claw protecting ring by using electrolytic aluminum cover material |
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| CN104593824A true CN104593824A (en) | 2015-05-06 |
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| CN201510052255.7A Pending CN104593824A (en) | 2015-02-02 | 2015-02-02 | Method for producing steel claw protecting ring by using electrolytic aluminum cover material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108972840A (en) * | 2018-07-24 | 2018-12-11 | 重庆国丰实业有限公司 | A kind of preparation method of electrolytic aluminum anodic steel claw protection semi-ring |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2122148U (en) * | 1991-07-29 | 1992-11-18 | 包头铝厂 | Positive electrode protective ring for pre-baking bositive electrode al electrolytic tank |
| CN1396309A (en) * | 2002-06-19 | 2003-02-12 | 青铜峡铝业集团有限公司 | Protecting jacket of self-calcining self-shaping anode and its preparing process |
| CN1445383A (en) * | 2003-04-16 | 2003-10-01 | 兰州铝业股份有限公司 | Self-baking type guard ring for anode of electrolysis bath |
| CN1804133A (en) * | 2005-12-16 | 2006-07-19 | 邹建明 | Alumina anode steel claw protection ring and method for producing the same |
| CN1872791A (en) * | 2006-04-25 | 2006-12-06 | 山东铝业股份有限公司 | Sticking paste for guard ring of steel paws of prebaked anode in aluminium cell |
| CN101435086A (en) * | 2008-12-05 | 2009-05-20 | 河南神火铝业股份有限公司 | Method for manufacturing anode protection ring |
| CN101643917A (en) * | 2009-09-10 | 2010-02-10 | 中国铝业股份有限公司 | Self-sintered electrolytic anode steel claw guard ring and preparation method thereof |
| CN102140653A (en) * | 2011-03-10 | 2011-08-03 | 伊川龙海科技实业有限公司 | Steel talon protecting ring of anode used for aluminum electrolysis |
| CN102951898A (en) * | 2011-08-30 | 2013-03-06 | 湖南创元新材料有限公司 | Formula and method for preparing anode steel talon protection ring |
| CN103896555A (en) * | 2014-03-25 | 2014-07-02 | 湖南创元铝业有限公司 | Production method of anode steel pawl protection ring |
-
2015
- 2015-02-02 CN CN201510052255.7A patent/CN104593824A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2122148U (en) * | 1991-07-29 | 1992-11-18 | 包头铝厂 | Positive electrode protective ring for pre-baking bositive electrode al electrolytic tank |
| CN1396309A (en) * | 2002-06-19 | 2003-02-12 | 青铜峡铝业集团有限公司 | Protecting jacket of self-calcining self-shaping anode and its preparing process |
| CN1445383A (en) * | 2003-04-16 | 2003-10-01 | 兰州铝业股份有限公司 | Self-baking type guard ring for anode of electrolysis bath |
| CN1804133A (en) * | 2005-12-16 | 2006-07-19 | 邹建明 | Alumina anode steel claw protection ring and method for producing the same |
| CN1872791A (en) * | 2006-04-25 | 2006-12-06 | 山东铝业股份有限公司 | Sticking paste for guard ring of steel paws of prebaked anode in aluminium cell |
| CN101435086A (en) * | 2008-12-05 | 2009-05-20 | 河南神火铝业股份有限公司 | Method for manufacturing anode protection ring |
| CN101643917A (en) * | 2009-09-10 | 2010-02-10 | 中国铝业股份有限公司 | Self-sintered electrolytic anode steel claw guard ring and preparation method thereof |
| CN102140653A (en) * | 2011-03-10 | 2011-08-03 | 伊川龙海科技实业有限公司 | Steel talon protecting ring of anode used for aluminum electrolysis |
| CN102951898A (en) * | 2011-08-30 | 2013-03-06 | 湖南创元新材料有限公司 | Formula and method for preparing anode steel talon protection ring |
| CN103896555A (en) * | 2014-03-25 | 2014-07-02 | 湖南创元铝业有限公司 | Production method of anode steel pawl protection ring |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108972840A (en) * | 2018-07-24 | 2018-12-11 | 重庆国丰实业有限公司 | A kind of preparation method of electrolytic aluminum anodic steel claw protection semi-ring |
| CN108972840B (en) * | 2018-07-24 | 2020-02-07 | 重庆国丰实业有限公司 | Method for preparing electrolytic aluminum anode steel claw protection semi-ring |
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Application publication date: 20150506 |