CN205398745U - Electrodeposition is with electrically conductive head of novel complex - Google Patents

Electrodeposition is with electrically conductive head of novel complex Download PDF

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Publication number
CN205398745U
CN205398745U CN201620165415.9U CN201620165415U CN205398745U CN 205398745 U CN205398745 U CN 205398745U CN 201620165415 U CN201620165415 U CN 201620165415U CN 205398745 U CN205398745 U CN 205398745U
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China
Prior art keywords
contact
copper billet
copper
aluminium block
aluminium
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CN201620165415.9U
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Chinese (zh)
Inventor
世家伟
孙成余
罗永光
曲洪涛
王瑞山
孙斯景
保宁
韩成民
罗凌艳
张侯文
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Yunnan Chihong Zinc and Germanium Co Ltd
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Yunnan Chihong Zinc and Germanium Co Ltd
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Priority to CN201620165415.9U priority Critical patent/CN205398745U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

Abstract

The utility model relates to an electrodeposition is with electrically conductive head of novel complex belongs to hydrometallurgy technical field, the utility model discloses a bolted connection copper billet and aluminium pig avoid high temperature welding at contact surface production oxide or compound, and the copper billet can not drop easily that convenient to detach changes yet, contact surface at aluminium pig and copper billet carries out the degrease, scribble the one deck conductive paste when removing oxidation treatment, and the microcosmic space between copper billet and aluminium pig contact surface has been packed to the conductive paste, electrically conducts through tunnel effect, and the indirectness has increased area of contact, has reduced contact resistance, the contact surface that can effectively prevent the aluminium pig simultaneously produces oxide film reduction conductivity in the air, the sealable coating layer that the conductive paste of copper billet, aluminium pig, stud contact surface and scribbling was established in copper billet and the contact wire department at aluminium pig contact surface border has effectively prevented water and acid mist (the electrolyte of electrochemical corrosion needs) the entering copper aluminium contact surface in the air to slow down the electrochemical corrosion of copper aluminium contact surface, prolonged electrically conductive first life.

Description

A kind of electrodeposition NEW TYPE OF COMPOSITE conductive head
Technical field
This utility model belongs to technical field of wet metallurgy, specifically, relates to a kind of electrodeposition NEW TYPE OF COMPOSITE conductive head.
Background technology
In the hydrometallurgy of zinc, Zinc electrolysis energy consumption accounts for very big proportion, and the conductivity of the conductive connection manner of pole plate and conductive head itself and directly affect zinc electrolysis power consumption.Current domestic and international most of electricity Xin factories, between groove and groove, conductive connection manner all adopts bridging type.
Its conductive head all adopts the mode of Copper-Aluminum compound, and having that Copper-Aluminum compound mode is conventional is following several: adopt casting mode that copper is embedded in aluminium block;Copper aluminum adopts welding (soldering, friction welding (FW), Laser Welding) mode compound;Copper al blasting weldering compound.Copper aluminum casting complex copper at high temperature easily produces Cu oxide and blocks the directly contact of copper aluminum, causes that contact resistance is higher;Adopting welding (soldering, friction welding (FW), Laser Welding) mode complex copper aluminum at high temperature contact surface easily to produce copper aluminium compound causes contact resistance higher equally;It is less that copper al blasting weldering two kinds of complex methods than before compare contact surface impurity, contact resistance relative reduction, but blast weldering operating technology is required higher, wayward, cost is high, and the copper billet of blast weldering in use for some time can Automatic-falling.
It addition, the current potential difference of copper aluminum is relatively big, the aerial water of copper aluminum contact surface, acid mist effect under very easily form electrolyte, thus being formed with aluminum for negative pole, copper is the galvanic element of positive pole, makes aluminum produce electrochemical corrosion, increases copper aluminum contact resistance.Meanwhile, electrochemical corrosion reduces conductive head service life.
Summary of the invention
In order to overcome Problems existing in background technology, this utility model provides a kind of electrodeposition NEW TYPE OF COMPOSITE conductive head, conductive paste is scribbled on the contact surface of copper billet, aluminium block and studs, and by studs, copper billet is tightened together with aluminium block, contact wire along copper billet and aluminium block contact surface edge is evenly coated with seal coating, adopt the conductive head of this structure it can be avoided that high-temperature soldering is at contact surface production oxide or compound, and copper billet will not come off easily and also allow for dismounting and change;Copper aluminum contact area can be increased, reduce contact resistance, it is prevented that the contact surface of aluminium block produces oxide-film in atmosphere and reduces conductivity;Simultaneously the water in air and acid mist (electrolyte of electrochemical corrosion needs) can be stoped to enter copper aluminum contact surface, slow down the electrochemical corrosion of copper aluminum contact surface, prolongation conductive head service life.
For achieving the above object, this utility model is achieved by the following technical solution:
Described electrodeposition NEW TYPE OF COMPOSITE conductive head includes copper billet 1, conductive paste 2, aluminium block 3, studs 4, seal coating 5, described copper billet 1 is arranged on the lower section of aluminium block 3, copper billet 1 is all coated with conductive paste 2 with the surface that contacts of aluminium block 3, described studs 4 one end screws in the screwed hole on copper billet 1, the end of studs 4 and copper billet 1 bottom welding, the through hole that the other end of studs 4 is corresponding on aluminium block 3, copper billet 1 and aluminium block 3 being fastenedly connected by double nut, the contact wire along described copper billet 1 and aluminium block 3 contact surface edge is uniformly coated with seal coating 5.
As preferably, described copper billet 1 is provided with the screwed hole of two or more connection corresponding to studs 4.
As preferably, described aluminium block 3 is provided with the through hole identical with copper billet 1 screwed hole quantity.
As preferably, described studs 4 adopts high strength copper alloy material to make, and the surface of studs 4 is coated with conductive paste 2.
As preferably, the flexible nonmetal material that described seal coating 5 adopts thickness to be 0.2-2mm is made.
The beneficial effects of the utility model:
1, this utility model copper billet with bolts and aluminium block, it is to avoid high-temperature soldering is at contact surface production oxide or compound, and copper billet will not come off easily and also allow for dismounting and change.
2, carried out defat at the contact surface of aluminium block Yu copper billet, deoxidation scribbles one layer of conductive paste while processing, conductive paste is filled with the microscopic voids between copper billet and aluminium block contact surface, conducted electricity by tunnel-effect, indirectly increase contact area, reduce contact resistance;Can effectively prevent the contact surface of aluminium block from producing oxide-film in atmosphere simultaneously and reduce conductivity.
3, copper billet, aluminium block, the conductive paste of studs contact surface and painting are arranged on the seal coating at copper billet and the contact wire place at aluminium block contact surface edge and effectively prevent the water in air and acid mist (electrolyte that electrochemical corrosion needs) to enter copper aluminum contact surface, thus slow down the electrochemical corrosion of copper aluminum contact surface, extend conductive head service life.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model;
Fig. 2 be in Fig. 1 A-A to sectional view.
In figure, 1-copper billet, 2-conductive paste, 3-aluminium block, 4-studs, 5-seal coating.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and beneficial effect clearly, below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to facilitate the technical staff to understand.
As shown in Figure 1 and Figure 2, described electrodeposition NEW TYPE OF COMPOSITE conductive head includes copper billet 1, conductive paste 2, aluminium block 3, studs 4, seal coating 5, described copper billet 1 is arranged on the lower section of aluminium block 3, copper billet 1 is all coated with conductive paste 2 with the surface that contacts of aluminium block 3, conductive paste 2 is filled with the microscopic voids between copper billet 1 and aluminium block 3 contact surface, conducted electricity by tunnel-effect, indirectly increase contact area, reduce contact resistance;Can effectively prevent the contact surface of aluminium block 3 from producing oxide-film in atmosphere simultaneously and reduce conductivity.Described studs 4 one end screws in the screwed hole on copper billet 1, and by the end of studs 4 and copper billet 1 bottom welding, the through hole that the other end of studs 4 is corresponding on aluminium block 3, by double nut, copper billet 1 and aluminium block 3 are fastenedly connected, described copper billet 1 is provided with the screwed hole of two or more connection corresponding to studs 4, aluminium block 3 is provided with the through hole identical with copper billet 1 screwed hole quantity, copper billet 1 with bolts and aluminium block 3, avoid high-temperature soldering and contact surface production oxide or compound at copper billet 1 and aluminium block 3, and copper billet 1 will not come off easily and also allow for dismounting and change.Described studs 4 adopts high strength copper alloy material to make, and the surface of studs 4 is coated with conductive paste 2.Contact wire along described copper billet 1 and aluminium block 3 contact surface edge is uniformly coated with seal coating 5, and the flexible nonmetal material that described seal coating 5 adopts thickness to be 0.2-2mm is made, and this flexible non-metallic coating can be polyurethane coating or the rubber of wear-and corrosion-resistant.Between copper billet 1, aluminium block 3, studs 4, the conductive paste 2 and being coated with of contact surface is located at the flexible non-metallic seal coating 5 of copper billet 1 and the wear-and corrosion-resistant of the 0.2-2mm at aluminium block 3 contact wire place and effectively prevents the water in air and acid mist (electrolyte that electrochemical corrosion needs) to enter the contact surface of copper billet 1 and aluminium block 3, thus slow down the electrochemical corrosion of copper billet 1 and aluminium block 3 contact surface, extend conductive head service life.
Connection procedure of the present utility model:
First, the contact surface of copper billet 1 and aluminium block 3 is first carried out defat, while oxide layer processes, be then coated with the conductive paste 2 of one layer of 0.2mm thickness on the contact surface of copper billet 1 and aluminium block 3, reduce conductivity to prevent the contact surface of aluminium block 3 from forming oxide-film.Then, being coated with one layer of conductive paste on the surface of studs 4, screwed in the screwed hole corresponding with copper billet 1 by some studs 4, and welded with copper billet 1 bottom surface by studs 4 end, polishing welding seams ensures copper billet 1 bottom surface flatness.Then, the copper billet 1 and aluminium block 3 that are fixed with some studs 4 are fastened with double nut.Finally, the contact wire at copper billet 1 and aluminium block 3 contact surface edge is uniformly coated with the thick flexible non-metallic coating of one layer of about 0.2-2mm up and down, and this flexible non-metallic coating can be polyurethane coating or the rubber of wear-and corrosion-resistant.
This utility model copper billet with bolts and aluminium block, it is to avoid high-temperature soldering is at contact surface production oxide or compound, and copper billet will not come off easily and also allow for dismounting and change;Contact surface at aluminium block Yu copper billet has carried out defat, deoxidation scribbles one layer of conductive paste while processing, and conductive paste is filled with the microscopic voids between copper billet and aluminium block contact surface, is conducted electricity by tunnel-effect, indirectly increases contact area, reduces contact resistance;Can effectively prevent the contact surface of aluminium block from producing oxide-film in atmosphere simultaneously and reduce conductivity;Copper billet, aluminium block, the conductive paste of studs contact surface and painting are arranged on the seal coating at copper billet and the contact wire place at aluminium block contact surface edge and effectively prevent the water in air and acid mist (electrolyte that electrochemical corrosion needs) to enter copper aluminum contact surface, thus slow down the electrochemical corrosion of copper aluminum contact surface, extend conductive head service life.
What finally illustrate is, preferred embodiment above is only in order to illustrate the technical solution of the utility model and unrestricted, although this utility model being described in detail by above preferred embodiment, but skilled artisan would appreciate that, in the form and details it can be made various change, without departing from this utility model claims limited range.

Claims (5)

1. an electrodeposition NEW TYPE OF COMPOSITE conductive head, it is characterized in that: described electrodeposition NEW TYPE OF COMPOSITE conductive head includes copper billet (1), conductive paste (2), aluminium block (3), studs (4), seal coating (5), described copper billet (1) is arranged on the lower section of aluminium block (3), copper billet (1) is all coated with conductive paste (2) with the surface that contacts of aluminium block (3), described studs (4) one end screws in the screwed hole on copper billet (1), the end of studs (4) and copper billet (1) bottom welding, the upper corresponding through hole of other end traverse aluminium block (3) of studs (4), by double nut, copper billet (1) and aluminium block (3) are fastenedly connected, contact wire along described copper billet (1) and aluminium block (3) contact surface edge is uniformly coated with seal coating (5).
2. a kind of electrodeposition NEW TYPE OF COMPOSITE conductive head according to claim 1, it is characterised in that: described copper billet (1) is provided with the screwed hole of two or more connection corresponding to studs (4).
3. a kind of electrodeposition NEW TYPE OF COMPOSITE conductive head according to claim 1, it is characterised in that: described aluminium block (3) is provided with the through hole identical with copper billet (1) screwed hole quantity.
4. a kind of electrodeposition NEW TYPE OF COMPOSITE conductive head according to claim 1, it is characterised in that: described studs (4) adopts high strength copper alloy material to make, and the surface of studs (4) is coated with conductive paste (2).
5. a kind of electrodeposition NEW TYPE OF COMPOSITE conductive head according to claim 1, it is characterised in that: the flexible nonmetal material that described seal coating (5) adopts thickness to be 0.2-2mm is made.
CN201620165415.9U 2016-03-04 2016-03-04 Electrodeposition is with electrically conductive head of novel complex Active CN205398745U (en)

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Application Number Priority Date Filing Date Title
CN201620165415.9U CN205398745U (en) 2016-03-04 2016-03-04 Electrodeposition is with electrically conductive head of novel complex

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109301651A (en) * 2018-09-25 2019-02-01 黄赫南 A method of preventing power equipment nipple over time and is increased using resistance

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109301651A (en) * 2018-09-25 2019-02-01 黄赫南 A method of preventing power equipment nipple over time and is increased using resistance

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