CN103372640A - Aluminizing and bonding casting production process of steel shell aluminum conductor anode claw beam - Google Patents
Aluminizing and bonding casting production process of steel shell aluminum conductor anode claw beam Download PDFInfo
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- CN103372640A CN103372640A CN2012101291289A CN201210129128A CN103372640A CN 103372640 A CN103372640 A CN 103372640A CN 2012101291289 A CN2012101291289 A CN 2012101291289A CN 201210129128 A CN201210129128 A CN 201210129128A CN 103372640 A CN103372640 A CN 103372640A
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Abstract
The invention discloses an aluminizing and bonding casting production process of a steel shell aluminum conductor anode claw beam. The aluminizing and bonding casting production process is characterized in that a steel shell beam is immersed into molten aluminum for aluminizing casting, the temperature of molten aluminum is controlled to be at 780-800 DEG C in the aluminizing process, and the aluminizing time is set according to the weight of the steel shell beam and the volume of an inner cavity and is generally controlled to be 10-20 minutes. The average resistance value of a steel shell aluminum conductor anode claw produced through the aluminizing and bonding casting production process is 3.5 micro ohms at normal temperature and reduces about 2 micro ohms compared with the product produced through the original production process, and the electricity saving effect is obvious.
Description
Technical field
The present invention relates to a kind of casting technique of aluminum steel adhesive composite materials conductive component, specifically steel shell aluminium core anode claw crossbeam aluminising bonding casting production process.
Background technology
Steel shell aluminium core anode claw crossbeam is as the critical piece of anode electric-conducting device for aluminum electrolytic cell, mainly play the effect of conductive electric current, the height of its resistance value directly has influence on the quality of steel shell aluminium core anode claw crossbeam, the resistance value of crossbeam is lower, conductive capability is just stronger, and it is just more remarkable to be applied in the Aluminum Electrolysis Production power savings.
The aluminising bonding castability of box hat crossbeam is tight with aluminising temperature and aluminising time relationship, the aluminising temperature is excessively low, just do not occur or be difficult to interpenetrate between the atom of aluminium, steel, can not form alloy-layer between the aluminum steel, box hat and aluminium core just can not have been finished effective adhesive, the resistance value of steel shell aluminium core crossbeam is just high, and with this understanding, the aluminising time that further prolongs the box hat crossbeam is to improving the aluminising quality certain effect being arranged but act on not obvious; When the aluminising temperature suits, the atom of aluminium, steel is active large, it is active that interpenetrative phenomenon occurs between the aluminum steel, in the reasonable time scope, just can form stable alloy-layer, assurance box hat and aluminium core are finished continuous densification, stable effectively bonding, the resistance value of steel shell aluminium core crossbeam is just low, further prolongs the aluminising time can not significantly improve the aluminising quality of product; When the aluminising temperature further raises, keep the aluminising time under the preference temperature condition or prolong the aluminising time, the effect that the resistance value of steel shell aluminium core crossbeam reduces is also not obvious, can not significantly improve the quality of product, caused simultaneously the waste of fuel, if shorten the aluminising time, can cause the resistance value of steel shell aluminium core crossbeam to raise, therefore, keep the box hat crossbeam in suitable temperature range, to keep the stable aluminising time to finish the casting of aluminising bonding extremely important on the impact of steel shell aluminium core crossbeam quality.
The disclosed electrolgtic aluminium steel shell aluminium core of CN1295047C anode claw aluminising bonding casting technique, the temperature of aluminum liquid control point is indefinite, causes the aluminising quality unstable, waste product occurs easily.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of steel shell aluminium core anode claw crossbeam aluminising bonding casting production process, it is indefinite to overcome original steel shell aluminium core anode claw aluminising bonding casting technique aluminising temperature, causes the shortcomings such as the aluminising quality is unstable, product percent defective height.
For solving the problems of the technologies described above, the invention provides a kind of steel shell aluminium core anode claw crossbeam aluminising bonding casting production process, technological process is as follows:
1. box hat crossbeam pre-treatment → 2. help oozes, hinder and ooze the aluminising of processing → 3. oven dry → 4. and cast → 5. cool off → 6. cut the finished product of rising head → 7. check → 8..
The method of aluminising casting is: the box hat crossbeam immerses and carries out the aluminising casting in the aluminium liquid, in the aluminising process, temperature of aluminum liquid is controlled between 780 ℃～800 ℃, the aluminising time decides according to the weight of box hat crossbeam and the size of cavity volume, and general control is between 10～20 minutes.
Immerse the box hat crossbeam to be inserted in the drying chamber before carrying out aluminising in the aluminium liquid at the box hat crossbeam and dry, the temperature of drying chamber is controlled at 120 ℃～150 ℃, can shorten the drying time of box hat crossbeam, can prevent again the again oxidation of box hat inner surface.
The box hat crossbeam proceeds to the aluminising later stage, be about to hang out before the aluminizing furnace, add a certain amount of aluminium liquid or aluminium ingot to aluminizing furnace, reaching additional box hat crossbeam takes away the loss of aluminium liquid, keeps the constant purpose of aluminizing furnace aluminium liquid total amount, thereby guarantee the basically identical aluminising casting condition of steel shell aluminium core crossbeam, guarantee the stability of product quality.
Specific embodiments
The present embodiment is formulated this programme take batch production steel shell aluminium core crossbeam as prerequisite, and the main technique method of operating is as follows:
1. box hat crossbeam pre-treatment: after the box hat beam welding is finished, welding slag and the impurity on the good surface of cleaning, install to weld and cast rising head, cavity inner surface is carried out oil removing, processing of rust removing, can select respectively corresponding alkali lye and acid solution to finish the oil removing of box hat inner surface, rust cleaning, check that simultaneously the box hat cavity has or not the phenomenon of leakage to occur.
2. help and ooze, hinder and ooze processing: inject to the box hat inner chamber and help sepage and keep the regular hour, make cavity inner surface uniform fold one deck penetration-assisting agent, pour out to help after the sepage and evenly brush one deck resistance penetration enhancer at the box hat chamber outer surface, prevent that the box hat outer surface from boning with aluminium liquid in the aluminising process.
3. dry: the box hat crossbeam is inserted in the drying chamber dry, keep the temperature of drying chamber at 120 ℃～150 ℃, can shorten the drying time of box hat crossbeam, can prevent again the again oxidation of box hat inner surface.
4. aluminising casting: when temperature of aluminum liquid reaches between 780 ℃～800 ℃, the box hat crossbeam is immersed aluminium liquid carry out aluminising, the aluminising time decides according to the weight of box hat crossbeam and the size of cavity volume, and general control is between 10～20 minutes.Because temperature of aluminum liquid can decrease when the box hat crossbeam immersed aluminium liquid, when temperature of aluminum liquid is lower than 790 ℃, does not allow that the box hat crossbeam is immersed aluminium liquid and carry out the aluminising casting.The box hat crossbeam proceeds to the aluminising later stage, be about to hang out before the aluminizing furnace, add a certain amount of aluminium liquid or aluminium ingot to aluminizing furnace, reaching additional box hat crossbeam takes away the loss of aluminium liquid, keeps the constant purpose of aluminizing furnace aluminium liquid total amount, thereby guarantee the basically identical aluminising casting condition of steel shell aluminium core crossbeam, guarantee the stability of product quality.
5. cooling: the box hat crossbeam after the aluminising as for indoor, is naturally cooled to normal temperature.
6. cut rising head: remove the casting rising head, amputate unnecessary aluminium core casting nozzle surplus, the aluminium bits bits and other impurity that adhere on the cleaning steel shell aluminium core crossbeam.
7. check: the steel shell aluminium core crossbeam adopts the TE200 high precision Loop resistance tester to measure, and can put in storage after test average electrical resistance is qualified.
8. finished product: the steel shell aluminium core crossbeam behind the warehouse-in, welded round steel pawl head according to designing requirement, can finish the manufacturing of steel shell aluminium-core beam anode paw.
The steel shell aluminium-core beam anode paw that steel shell aluminium core anode claw crossbeam aluminising bonding casting production process of the present invention is made, its production technology is simple, easy and simple to handle, labor strength is low, production efficiency is high, stable and reliable product quality, the percent defective of product is low, guarantee box hat and aluminium core between keep reliable and stable alloy bonding, the electric conductivity of product reaches designing requirement, production practices prove, the steel shell aluminium-core beam anode paw that steel shell aluminium core anode claw crossbeam aluminising of the present invention bonding casting production process is made, the qualification rate of product reaches more than 99%, improves nearly ten percentage points than the product percent of pass of original production process manufacturing, the normal temperature average electrical resistance of test products reaches 3.5 μ Ω, product than original production process manufacturing reduces about 2 μ Ω, improves the conductive capability of product more than 40%, uses the result to prove through aluminium electrolysis enterprise and the contrast of cast steel type anode claw, test mean pressure depreciation reduces more than the 30mv, and power savings is obvious.
Claims (3)
1. a steel shell aluminium core anode claw crossbeam aluminising bonding casting production process is characterized in that carrying out the aluminising casting in the box hat crossbeam immersion aluminium liquid, in the aluminising process temperature of aluminum liquid is controlled between 780 ℃～800 ℃.
2. steel shell aluminium core anode claw crossbeam aluminising bonding casting production process according to claim 1 is characterized in that the time of carrying out aluminising in the box hat crossbeam immersion aluminium liquid was controlled between 10～20 minutes.
3. steel shell aluminium core anode claw crossbeam aluminising according to claim 1 and 2 bonding casting production process, it is characterized in that immersing the box hat crossbeam to be inserted in the drying chamber before carrying out aluminising in the aluminium liquid at the box hat crossbeam drying, the temperature of drying chamber is controlled at 120 ℃～150 ℃.
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| CN2012101291289A CN103372640A (en) | 2012-04-28 | 2012-04-28 | Aluminizing and bonding casting production process of steel shell aluminum conductor anode claw beam |
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| CN2012101291289A CN103372640A (en) | 2012-04-28 | 2012-04-28 | Aluminizing and bonding casting production process of steel shell aluminum conductor anode claw beam |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103878347A (en) * | 2014-04-14 | 2014-06-25 | 凤城市朋泰高压电器配套有限公司 | Production process for casting motor shell by means of aluminum clad copper |
| CN109338412B (en) * | 2018-12-20 | 2020-10-27 | 东北大学设计研究院（有限公司） | Assembled energy-saving anode steel claw of aluminum electrolytic cell and assembling method thereof |
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| SU610608A1 (en) * | 1976-03-16 | 1978-06-15 | Всесоюзный научно-исследовательский и конструкторско-технологический институт компрессорного машиностроения | Method of manufacturing bimetallic articles |
| CN1491759A (en) * | 2003-09-30 | 2004-04-28 | 广西壮族自治区农业机械研究所 | Process of colouring, binding and casting steel-shell aluminium-core anode claw for electrolyzing aluminium |
| CN1626701A (en) * | 2003-12-10 | 2005-06-15 | 高德金 | Energy saving type anode steel claw in comosite structure of aluminum steel |
| CN1680058A (en) * | 2004-04-11 | 2005-10-12 | 广西壮族自治区农业机械研究所 | Non-immersion aluminized binding-casting process with steel-casing and aluminium cored anode claw beam |
| CN101024885A (en) * | 2006-02-20 | 2007-08-29 | 高德金 | Aluminium steel composite structure anode steel grab cross-beam mfg. technology |
| CN101494323A (en) * | 2009-03-05 | 2009-07-29 | 江苏大学 | Method for producing steel/aluminum composite conductive pole |
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2012
- 2012-04-28 CN CN2012101291289A patent/CN103372640A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| SU610608A1 (en) * | 1976-03-16 | 1978-06-15 | Всесоюзный научно-исследовательский и конструкторско-технологический институт компрессорного машиностроения | Method of manufacturing bimetallic articles |
| CN1491759A (en) * | 2003-09-30 | 2004-04-28 | 广西壮族自治区农业机械研究所 | Process of colouring, binding and casting steel-shell aluminium-core anode claw for electrolyzing aluminium |
| CN1626701A (en) * | 2003-12-10 | 2005-06-15 | 高德金 | Energy saving type anode steel claw in comosite structure of aluminum steel |
| CN1680058A (en) * | 2004-04-11 | 2005-10-12 | 广西壮族自治区农业机械研究所 | Non-immersion aluminized binding-casting process with steel-casing and aluminium cored anode claw beam |
| CN101024885A (en) * | 2006-02-20 | 2007-08-29 | 高德金 | Aluminium steel composite structure anode steel grab cross-beam mfg. technology |
| CN101494323A (en) * | 2009-03-05 | 2009-07-29 | 江苏大学 | Method for producing steel/aluminum composite conductive pole |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103878347A (en) * | 2014-04-14 | 2014-06-25 | 凤城市朋泰高压电器配套有限公司 | Production process for casting motor shell by means of aluminum clad copper |
| CN103878347B (en) * | 2014-04-14 | 2016-02-10 | 凤城市朋泰高压电器配套有限公司 | Aluminium copper-clad casting electric machine casing production technology |
| CN109338412B (en) * | 2018-12-20 | 2020-10-27 | 东北大学设计研究院（有限公司） | Assembled energy-saving anode steel claw of aluminum electrolytic cell and assembling method thereof |
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Application publication date: 20131030 |