CN109137001A - A kind of preparation process of electrolytic copper foil - Google Patents
A kind of preparation process of electrolytic copper foil Download PDFInfo
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- CN109137001A CN109137001A CN201811171105.8A CN201811171105A CN109137001A CN 109137001 A CN109137001 A CN 109137001A CN 201811171105 A CN201811171105 A CN 201811171105A CN 109137001 A CN109137001 A CN 109137001A
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D1/00—Electroforming
- C25D1/04—Wires; Strips; Foils
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D21/00—Processes for servicing or operating cells for electrolytic coating
- C25D21/06—Filtering particles other than ions
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/38—Electroplating: Baths therefor from solutions of copper
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention discloses a kind of preparation processes of electrolytic copper foil, specific preparation process is as follows: will be added in dissolving tank after the cleaning of broken copper sheet, deionized water is added into dissolving tank simultaneously, then the concentrated sulfuric acid is added, and air is blasted into dissolving tank, heating makes the copper in dissolving tank slowly be oxidized to copper oxide, and the copper oxide and sulfuric acid reaction of generation generate copper sulfate solution；The copper sulfate solution prepared in dissolving tank is subjected to multi-stage absorption filtering by multi-layer plate-type filter, then the electrolyte after filtration treatment is added in electrodeposit slot, while additive is added thereto, under the action of electric field, electrochemical reaction occurs, electrolytic copper foil is made.Present invention production is filtered during using multi-layer plate-type filter, the quantity of filtering plate can not only be adjusted as needed, realize the multistage filtering layer by layer of electrolyte, the loss of electrolyte is not will cause, and electrolyte purity is improved by multiple filtration, improves the performance of the electrolytic copper foil of preparation.
Description
Technical field
The invention belongs to copper foil production fields, are related to a kind of preparation process of electrolytic copper foil.
Background technique
Base stock of the electrolytic copper foil as electronics industry can be used for producing copper clad laminate, and then for making printing
Wiring board, in order to change the planarization of copper foil surface coating and the state of crystal grain in existing copper foil manufacturing process, usually molten
Electrolyte after solution passes through mechanical filter, and the filtering apparatus used now is bag type filtering, and electrolyte is by being pumped into bag type filtering
In device, in order to improve electrolyte degree of purity, it is often necessary to be filtered for multiple times by multiple filters, not only improve cost, and pass through
There are biggish losses for electrolyte after crossing multiple filtering apparatus, and when use filter bag, due to the effect of gravity, electrolyte
In solid insoluble be deposited on a bag bottom, accumulation causes filter bag bottom deposit excessive for a long time, reduces filter efficiency, simultaneously
The organic impurities in electrolyte cannot remove during the filtration process.
Summary of the invention
The purpose of the present invention is to provide a kind of preparation process of electrolytic copper foil, filtered in production process using multi-layer plate-type
Device is filtered, and can not only be adjusted the quantity of filtering plate as needed, be realized the multistage filtering layer by layer of electrolyte, Bu Huizao
Electrolyte purity is improved at the loss of electrolyte, and by multiple filtration, and then realizes the smooth of electrolytic copper foil surface, simultaneously
The shock resistance of electrolytic copper foil is improved, while being uniformly deposited on the table of filter using solid insoluble when leaf filter
Face, depositing homogeneous are not concentrated, and then do not influence filter effect, are solved pure in order to improve electrolyte in existing electrolytic process
Degree, it is often necessary to be filtered for multiple times by multiple filters, not only improve cost, and the electrolyte after multiple filtering apparatus
There are biggish losses, and when use filter bag, due to the effect of gravity, the solid insoluble in electrolyte is deposited on bag
The problem of bottom, accumulation causes filter bag bottom deposit excessive for a long time, reduces filter efficiency.
The present invention passes through setting filtering absorbent module during producing copper foil, passes through the active carbon pair in filtering absorbent module
Filtered electrolyte is adsorbed, and can adequately be removed organic impurities therein, be prevented organic impurities in electrolytic process
Influence, solve the problems, such as that the organic impurities in existing filter process in electrolyte is inexpungible.
Filtering plate prepared by the present invention can fast implement the fixed of filter membrane by the component that is locked and lock and tear open
It unloads, so that the installation and replacement of filter membrane are convenient and efficient, while being stretched in filter membrane fixation procedure using triangular prism shaped locking bar
Enter in triangular prism shaped card slot, realization is locked to more filter membranes, places filter membrane and slides at elevated pressures to middle part, causes
Filter membrane falls off.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of preparation process of electrolytic copper foil, specific preparation process are as follows:
Step 1: by being added in dissolving tank after the cleaning of broken copper sheet, while deionized water being added into dissolving tank, then add again
Enter the concentrated sulfuric acid, and blast air into dissolving tank, heating makes the copper in dissolving tank slowly be oxidized to copper oxide, the oxidation of generation
Copper and sulfuric acid reaction generate copper sulfate solution, and the concentration of copper ion, the concentration for controlling copper ion are in real-time detection dissolving tank
120-150g/L；
Second step, by the copper sulfate solution prepared in dissolving tank be added deposit slot in, by multi-layer plate-type filter into
The filtering of row multi-stage absorption removes organic impurities therein by the filtering absorbent module in multi-layer plate-type filter, passes through simultaneously
Multistage filtering plate in multi-layer plate-type filter removes other solid impurities therein；
Electrolyte after filtration treatment in second step is added in electrodeposit slot third step, while being added add thereto
Add agent, under the action of electric field, electrochemical reaction occurs, electrolytic copper foil is made；
Wherein multi-layer plate-type filter is different from existing mechanical bag filter, and leaf filter can carry out more simultaneously
Level filtering, without using excessively a filter, not only occupied space, and electrolyte is consumed in filter process, while multi-layer board
Formula filter can realize that filtering times facilitate adjusting according to the different setting different levels of ingredient in electrolyte；
Multi-layer plate-type filter includes filter box, and the forward end seal of filter box, which is arranged, is fixed with fixed end cap, simultaneously
The left and right sidewall of filter box is opposite to be provided with several first bar shaped clamping grooves, and several first bar shaped clamping grooves are arranged in parallel, rear side
Wall is provided with the second bar shaped clamping groove of several connection left and right sidewall clamping grooves, several first bar shaped clamping grooves and several second bar shapeds
Clamping groove forms several concave fixing grooves, and clamping sealing is fixed with side seal part in concave fixing groove, if in filter box
Sealing clamping is equipped with filtering plate respectively in dry side seal part, and the top of filter box, which is located at right above filtering plate, to be set
There are several inlet tubes, while being provided with liquid outlet in the bottom of filter box；
Filtering plate includes support frame, and integrally connected is fixed with fixation between four side side wall inner surfaces bottom ends of support frame
Frame, the surface of fixed frame is successively compressed with filter membrane from top to bottom and compresses frame, while the left and right side of support frame is pacified respectively
Dress is fixed with the component that is locked, and is realized by the component that is locked and is compressed to the locking for compressing frame, realizes that compressing frame will filter
Film is fixed on the surface of fixed frame；
Two end surfaces of left and right side of support frame have two the first mounting grooves, open at the slot bottom center of the first mounting groove
There is first through hole, the aperture of the first mounting groove is greater than the aperture 1-1.5cm of first through hole, mounting groove and first through hole composition installation
Hole；The left and right side both ends wall outer surface of support frame is opened there are two locating slot simultaneously, and the side wall of first through hole is provided with the second peace
Tankage is provided with the second through-hole being connected with locating slot, the second mounting groove and the second through-hole at the slot bottom center of the second mounting groove
Locking hole is formed, the aperture of the second mounting groove is greater than the aperture 1-1.5cm of the second through-hole；
The component that is locked includes the locating rod being set in mounting hole and the check lock lever that is mounted in locking hole, locating rod
On be arranged with reset spring, one end of two locating rods of one avris of support frame, which is connected through a screw thread, is fixed with the item that is locked,
It is compressed and is connected with one side surface for compressing frame by the item that is locked, realize the fixation for compressing frame to filter membrane；
Locating rod includes that clamping bar and integrally connected are fixed on the sliding bar being clamped in the middle part of bar top end face, one end of sliding bar
It is mounted with the first block, the diameter for being clamped bar is greater than the diameter 1-1.5cm of sliding bar, and sliding bar and first through hole match
It closes, clamping bar is matched with the first mounting groove, and reset spring is set on sliding bar, one end of reset spring and the top of clamping bar
End face connects, and the other end connects with the slot bottom of the first mounting groove compression, and the diameter of the first block is greater than the diameter 1- of first through hole
2cm, while the side wall for being clamped bar is provided with annular fixing slot；
Check lock lever includes latch segment, gag lever post and the second block from top to bottom；Latch segment is matched with the second mounting groove, lock
The diameter of tight block is equal to the width of annular fixing slot, while the diameter of latch segment is greater than the diameter 1-1.5cm of gag lever post, second gear
The diameter of block is greater than the aperture 1-2cm of the second through-hole, and the second block is located in locating slot, and locking spring is arranged on gag lever post,
The bottom end of locking spring connects with latch segment, and top connects with the slot bottom of the second mounting groove.
Further, the front end integrally connected of filter box is fixed with sealing retainer plate, seals top and the mistake of retainer plate
In same level, fixed end cap sealing shroud is set to be fixed on sealing retainer plate the top end face of filter box body；Fixing end cap includes
Square border and integrally connected are fixed on the baffle of one end face of square border, the left and right side of square border and the phase on bottom edge and baffle
The place of connecing is mounted on sealing strip, while the deckle surface of square border is provided with the first fixed hole, and fixed end cap is set in sealing
When on retainer plate, the sealing strip of square border or so and lower end compresses phase with the left and right of sealing retainer plate and bottom side of the wall respectively
It connects, and then realizes the sealing to filter box；If the side wall of baffle is equidistantly fixed with dry seal compression bar, compression bar and mistake are sealed
The side wall compression of filter plate part connects；The top for sealing retainer plate simultaneously, which is provided with corresponding with the first fixed hole second and fixes, to be led to
Hole, fixed end cap passes through the first fixed hole by screw and the second fixed hole is arranged and is fixed on sealing retainer plate.
Further, side seal part includes two the first sealing strips being oppositely arranged and is fastened on two first
The second sealing strip between strip bottom end is sealed, it includes bottom that the structure that the first sealing strip and second seal strip is identical
Press strip and the side press strip for being vertically fixed on base pressure surface two sides, the first sealing strip are sealingly engaged with the first bar shaped clamping groove
In, while the base pressure item of the first sealing strip connects with the slot bottom of the first bar shaped clamping groove compression, side press strip and the first bar shaped card
The side wall compression of access slot connects；Second sealing strip is connected in the second bar shaped clamping groove, while the base pressure of the second sealing strip
Item connects with the slot bottom of the second bar shaped clamping groove compression, and side press strip connects with the side wall of the first bar shaped clamping groove compression, support frame
Left and right side be respectively engaged in two first sealing strips, back side edge is connected in the second sealing strip, while support frame
Front side edge side wall connects with the sealing compression bar of baffle sidewall compression.
It is further, fixed between the fixed frame and compression frame of the filtering plate of filter box bottom end that there are two filterings
Film is laid with the absorption carbon dust that a layer thickness is 0.5-1cm thickness between two filter membranes, so that being located at the filter for filtering plate of bottom end
One layer of adsorption layer is formed between film, forms filtering absorbent module.
Further, four side of surface of fixed frame is provided with triangular prism shaped card slot, while the four side bottom surfaces for compressing frame integrally connect
Connecing to be fixed with will press with the triangular prism shaped locking bar of triangular prism shaped card slot cooperation when filter membrane is placed on fixed frame surface
Tight frame is pressed on the surface of filter membrane, while triangular prism shaped locking bar and the cooperation of triangular prism shaped card slot compress, triangular prism shaped locking
Item protrudes into triangular prism shaped card slot, and realization is locked to more filter membranes.
Beneficial effects of the present invention:
It is filtered in production process of the present invention using multi-layer plate-type filter, filter plate can not only be adjusted as needed
The quantity of part realizes the multistage filtering layer by layer of electrolyte, not will cause the loss of electrolyte, and improve electricity by multiple filtration
Liquid purity is solved, and then realizes the smooth of electrolytic copper foil surface, while improving the shock resistance of electrolytic copper foil, while using board-like
Solid insoluble is uniformly deposited on the surface of filter when filter, and depositing homogeneous is not concentrated, and then does not influence filter effect,
It solves in existing electrolytic process to improve electrolyte degree of purity, it is often necessary to be filtered for multiple times by multiple filters, not only
When improving cost, and there are biggish losses for the electrolyte after multiple filtering apparatus, and using filter bag, due to weight
The effect of power, the solid insoluble in electrolyte are deposited on a bag bottom, and accumulation causes filter bag bottom deposit excessive for a long time, drops
The problem of low filter efficiency.
The present invention passes through setting filtering absorbent module during producing copper foil, passes through the active carbon pair in filtering absorbent module
Filtered electrolyte is adsorbed, and can adequately be removed organic impurities therein, be prevented organic impurities in electrolytic process
Influence, solve the problems, such as that the organic impurities in existing filter process in electrolyte is inexpungible.
Filtering plate prepared by the present invention can fast implement the fixed of filter membrane by the component that is locked and lock and tear open
It unloads, so that the installation and replacement of filter membrane are convenient and efficient, while being stretched in filter membrane fixation procedure using triangular prism shaped locking bar
Enter in triangular prism shaped card slot, realization is locked to more filter membranes, places filter membrane and slides at elevated pressures to middle part, causes
Filter membrane falls off.
Detailed description of the invention
In order to facilitate the understanding of those skilled in the art, the present invention will be further described below with reference to the drawings.
Fig. 1 is multi-layer plate-type filter structure schematic representation；
Fig. 2 is filter box structural schematic diagram；
Fig. 3 is the partial structural diagram of Fig. 4；
Fig. 4 is fixed end cap structural schematic diagram；
Fig. 5 is side seal part structural schematic diagram；
Fig. 6 Fig. 9 is filtering plate explosive view；
Fig. 7 is the partial structural diagram of Fig. 9；
Fig. 8 is support frame structural schematic diagram；
Fig. 9 is the partial sectional view of Fig. 8；
Figure 10 is the component structure diagram that is locked；
Figure 11 is the explosive view of Figure 10.
Specific embodiment
Fig. 1-11 is please referred to, is described in detail in conjunction with following examples:
Embodiment 1:
A kind of preparation process of electrolytic copper foil, specific preparation process are as follows:
Step 1: by being added in dissolving tank after the cleaning of broken copper sheet, while deionized water being added into dissolving tank, then add again
Enter the concentrated sulfuric acid, and blast air into dissolving tank, heating makes the copper in dissolving tank slowly be oxidized to copper oxide, the oxidation of generation
Copper and sulfuric acid reaction generate copper sulfate solution, and the concentration of copper ion, the concentration for controlling copper ion are in real-time detection dissolving tank
120-150g/L；
Second step, by the copper sulfate solution prepared in dissolving tank be added deposit slot in, by multi-layer plate-type filter into
The filtering of row multi-stage absorption removes organic impurities therein by the filtering absorbent module in multi-layer plate-type filter, passes through simultaneously
Multistage filtering plate in multi-layer plate-type filter removes other solid impurities therein；
Electrolyte after filtration treatment in second step is added in electrodeposit slot third step, while being added add thereto
Add agent, under the action of electric field, electrochemical reaction occurs, electrolytic copper foil is made.Wherein additive is thiocarbamide, polydithio-dipropyl
Sodium sulfonate and polyethylene glycol are mixed with according to the mass ratio of 1:12:25.
Embodiment 2:
As shown in Figure 1, Figure 2 and Figure 3, multi-layer plate-type filter includes filter box 1, the forward end seal set of filter box 1
If being fixed with fixed end cap 2, while the left and right sidewall of filter box 1 is provided with several first bar shaped clamping grooves 11, Ruo Gan relatively
One bar shaped clamping groove 11 is arranged in parallel, and rear wall is provided with the second bar shaped clamping groove 12 of several connection left and right sidewall clamping grooves, if
Dry first bar shaped clamping groove 11 and several second bar shaped clamping grooves 12 form several concave fixing grooves, are clamped in concave fixing groove close
Envelope is fixed with side seal part 3, and sealing clamping is equipped with filtering plate respectively in several side seal parts 3 in filter box 1
4, the surface that the top of filter box 1 is located at filtering plate 4 is equipped with several inlet tubes 13, while in the bottom of filter box 1
It is provided with liquid outlet 15；
As shown in figure 4, the front end integrally connected of filter box 1 is fixed with sealing retainer plate 14, the top of retainer plate is sealed
In same level, the fixed sealing of end cap 2 is arranged to be fixed on sealing retainer plate 14 top end face with filter box 1；It is fixed
End cap 2 includes the baffle 22 that square border 21 and integrally connected are fixed on 21 1 end face of square border, the left and right of square border 21
Side and bottom edge and the joint of baffle 22 are mounted on sealing strip 23, while the deckle surface of square border 21 is provided with first and fixes
Through-hole 24, when fixed end cap 2 is set on sealing retainer plate 14, the sealing strip 23 of square border 21 or so and lower end respectively with
The left and right and bottom side of the wall compression for sealing retainer plate 14 connect, and then realize the sealing to filter box 1；The side wall etc. of baffle 22
If sealing compression bar 221 connects with the side wall compression for filtering plate 4, between each filter layer away from dry seal compression bar 221 is fixed with
Solution do not filter and penetrated into next layer from avris, cause the pollution of lower layer's filtrate；It opens on the top for sealing retainer plate 14 simultaneously
There is second fixed hole 141 corresponding with the first fixed hole 24, fixed end cap 2 passes through the first fixed hole 24 by screw
It is arranged and is fixed on sealing retainer plate 14 with the second fixed hole 141；
As shown in figure 5, side seal part 3 includes two the first sealing strips 31 being oppositely arranged and is fastened on two
The second sealing strip 32 between first sealing 31 bottom end of strip, the structure phase of the first sealing strip 31 and the second sealing strip 32
It together, include base pressure item 33 and the side press strip 34 for being vertically fixed on 33 surface two sides of base pressure item, the first sealing sealing card of strip 31
It connects in the first bar shaped clamping groove 11, while the slot bottom pressure of the base pressure item 33 of the first sealing strip 31 and the first bar shaped clamping groove 11
Tightly connect, side press strip 34 connects with the side wall of the first bar shaped clamping groove 11 compression；Second sealing strip 32 is connected to the second bar shaped
In clamping groove 12, while the base pressure item 33 of the second sealing strip 32 connects with the slot bottom of the second bar shaped clamping groove 12 compression, side pressure
Item 34 connects with the side wall of the first bar shaped clamping groove 12 compression；
As shown in Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10 and Figure 11, filtering plate 4 include support frame 41, the four of support frame 41
Integrally connected is fixed with fixed frame 42 between the side wall inner surfaces bottom end of side, and the surface of fixed frame 42 is successively fixed from top to bottom
There is filter membrane 43 and compress frame 44, while the left and right side of support frame 41 is mounted with the component 45 that is locked respectively, passes through lock
It fastens component 45 to realize to the locking compression for compressing frame 44, realizes that compressing frame 44 is fixed on fixed frame 42 for filter membrane 43
Surface；It fixes between the fixed frame 42 and compression frame 44 of the filtering plate 4 of 1 bottom end of filter box there are two filter membrane 43,
The absorption carbon dust that a layer thickness is 0.5-1cm thickness is laid between two filter membranes 43, so that being located at the filter of the filtering plate 4 of bottom end
One layer of adsorption layer is formed between film, forms filtering absorbent module, so that electrolyte is in the layer by upper multilayer filtering plate 4
Solid impurity is filtered off after layer filtering, then organic matter therein is adsorbed and removed by active carbon in filtering absorbent module, makes
It obtains impurity content in electrolyte to substantially reduce, and then can be improved the purity of electrolytic process, improve the smooth of electrolytic preparation copper foil
Degree and tensile strength；
The left and right side of support frame 41 is respectively engaged in two first sealing strips 31, and back side edge is connected to the second sealing card
In item 32, while the front side edge side wall of support frame 41 connects with the sealing compression bar 221 of 22 side wall of baffle compression；
Two end surfaces of left and right side of support frame 41 have two the first mounting grooves 411, the slot bottom of the first mounting groove 411
First through hole 412 is provided at center, the aperture of the first mounting groove 411 is greater than the aperture 1-1.5cm of first through hole 412, mounting groove
411 and first through hole 412 form mounting hole；Simultaneously support frame 41 left and right side both ends wall outer surface open there are two positioning
Slot 413, the side wall of first through hole 412 are provided with the second mounting groove 414, are provided with and position at the slot bottom center of the second mounting groove 414
The second through-hole 415 that slot 413 is connected, the second mounting groove 414 and the second through-hole 415 form locking hole, the second mounting groove 414
Aperture be greater than the second through-hole 415 aperture 1-1.5cm；
The component 45 that is locked includes the locating rod 451 being set in mounting hole and the check lock lever being mounted in locking hole
454, reset spring 452 is arranged in locating rod 451, and one end of two locating rods 451 of 41 1 avris of support frame passes through screw thread
It is fixedly connected with the item 453 that is locked, is compressed and is connected with one side surface for compressing frame 44 by the item 453 that is locked, realize pressure
Tight fixation of the frame 44 to filter membrane 43；
Locating rod 451 includes that clamping bar 4511 and integrally connected are fixed on the sliding bar being clamped in the middle part of 4511 top end face of bar
4512, one end of sliding bar 4512 is mounted with the first block 4513, and the diameter of clamping bar 4511 is greater than sliding bar 4512
Diameter 1-1.5cm, sliding bar 4512 are matched with first through hole 412, and clamping bar 4511 is matched with the first mounting groove 411, multiple
Position spring 452 is set on sliding bar 4512, and one end of reset spring 452 connects with the top end face of clamping bar 4511, the other end
Connect with the slot bottom of the first mounting groove 411 compression, the diameter of the first block 4513 is greater than the diameter 1-2cm of first through hole 412, together
When clamping bar 4511 side wall be provided with annular fixing slot 4514；
Check lock lever 454 includes latch segment 4541, gag lever post 4542 and the second block 4543 from top to bottom；Latch segment 4541 with
Second mounting groove 414 matches, and the diameter of latch segment 4541 is equal to the width of annular fixing slot 4514, while latch segment 4541
Diameter is greater than the diameter 1-1.5cm of gag lever post 4542, and the diameter of the second block 4543 is greater than the aperture 1-2cm of the second through-hole 415,
Second block 4543 is located in locating slot 413, is arranged with locking spring 455 on gag lever post 4542, the bottom end of locking spring 455 with
Latch segment 4541 connects, and top connects with the slot bottom of the second mounting groove 414；
Four side of surface of fixed frame 42 is provided with triangular prism shaped card slot 421, while the four side bottom surfaces for compressing frame 44 integrally connect
The triangular prism shaped locking bar 441 being fixed with the cooperation of triangular prism shaped card slot 421 is connect, is placed on 42 surface of fixed frame in filter membrane 43
When upper, compression frame 44 was pressed on to the surface of filter membrane 43, while triangular prism shaped locking bar 441 is matched with triangular prism shaped card slot 421
Combined pressure is tight, and triangular prism shaped locking bar 441 protrudes into triangular prism shaped card slot 42, realizes being locked to more filter membranes 43, placed
Filter membrane 43 is slided to middle part at elevated pressures, causes falling off for filter membrane 43；
The specific assembling process of filter membrane is as follows in the filtering plate 4:
1, filter membrane 43 is placed on to the surface of fixed frame 42, be then locked from two 453 side of item and support frame
Gap between 41 will compress the surface of the push-in fixed frame of frame 44, will compress frame 44 and is compressed on filter membrane 43, keeps simultaneously
It compresses the triangular prism shaped locking bar 441 on frame 44 and the triangular prism shaped card slot 421 on fixed frame 42 cooperates, realize to filter membrane 43
The compression of avris is locked；
2, the second block 4543 for pulling 454 one end of the first block 4513 and check lock lever of 451 one end of locating rod simultaneously, makes
It obtains locating rod 451 to slide in mounting hole, check lock lever 454 slides in locking hole, originally the latch segment of 454 one end of check lock lever
4541 connect under the elastic force effect of locking spring with 451 side wall of locating rod compression, after pulling check lock lever 454, locking spring pressure
Contracting, so that the remotely located bar 451 of latch segment 4541, is slided convenient for locating rod 451, until the locking of two 451 one end of locating rod
Until fixed strip 453 is compressed with the surface for compressing frame 44 when connecting, reset spring 452 compresses in 451 drawing process of locating rod,
The annular fixing slot 4514 for being clamped 4511 side wall of bar at this time is placed exactly in the underface of check lock lever 454, the at this time drawing of check lock lever 454
Power, check lock lever 454 are moved downwardly until that the latch segment 4541 of check lock lever 454 is connected to annular under the elastic force effect of locking spring
In fixing slot 4514, the pulling force of locating rod 451 is unclamped at this time, locating rod 451 is due to check lock lever 454 and annular fixing slot 4541
Cooperation clamping realize the locking of 451 position of locating rod, that is, realize the item 453 that is locked so that locating rod 451 is immovable
Compression frame 44 is tightly pressed at the surface of filter membrane 43, realized to filter membrane 43 by position locking, the item 453 that is locked at this time
It is locked；
The specific disassembly process for filtering filter membrane in plate 4 is as follows:
Check lock lever 454 is pulled up, locking spring compresses at this time, until the latch segment 4541 of 454 one end of check lock lever is detached from
Annular fixing slot 4514, locating rod 451 is moved down without the limitation locking of check lock lever 454 in the elastic force effect of reset spring at this time
Dynamic, drive is locked, and item 453 is mobile, and the 453 pairs of compression frames 44 of item that are locked at this time do not have pressure, can will compress frame at this time
44 one end for taking out the item 453 that is locked from two pull out, and then take out filter membrane 43, realize the replacement of filter membrane 43, installation
Replacement is convenient, and the fixation of filter membrane 43.
The specific installation process of the multi-layer plate-type filter is as follows:
1, the number of filtering plate 4 is determined as needed；
2, the side seal part 3 of corresponding number is mounted in corresponding concave fixing groove；
3, filtering plate 4 is mounted on one by one in side seal part 3；
4, fixed end cap 2 by screw passed through into the first fixed hole 24 and the second fixed hole 141 be arranged be fixed on it is close
It seals on retainer plate 14；
5, then by being located at 13 feed liquor of several inlet tubes of the surface of filtering plate 4 at the top of filter box 1, through excessive
A filtering filtered electrolyte of plate 4 is provided with the outflow of liquid outlet 15 by the bottom of filter box 1.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (5)
1. a kind of preparation process of electrolytic copper foil, which is characterized in that specific preparation process is as follows:
Step 1: by being added in dissolving tank after the cleaning of broken copper sheet, while deionized water being added into dissolving tank, it then adds dense
Sulfuric acid, and air is blasted into dissolving tank, heating make the copper in dissolving tank slowly be oxidized to copper oxide, the copper oxide of generation with
Sulfuric acid reaction generates copper sulfate solution, the concentration of copper ion in real-time detection dissolving tank, and the concentration for controlling copper ion is 120-
150g/L；
The copper sulfate solution prepared in dissolving tank is added in deposit slot second step, carries out by multi-layer plate-type filter more
Grade adsorption filtration removes organic impurities therein by the filtering absorbent module in multi-layer plate-type filter, while passing through multilayer
Multistage filtering plate in leaf filter removes other solid impurities therein；
Electrolyte after filtration treatment in second step is added in electrodeposit slot, while additive being added thereto by third step,
Under the action of electric field, electrochemical reaction occurs, electrolytic copper foil is made；
Wherein multi-layer plate-type filter includes filter box (1), and the forward end seal of filter box (1), which is arranged, is fixed with fixed end cap
(2), while the left and right sidewall of filter box (1) is provided with several first bar shaped clamping grooves (11), several first bar shapeds clampings relatively
Slot (11) is arranged in parallel, rear wall be provided with it is several connection left and right sidewall clamping grooves the second bar shaped clamping grooves (12), several first
Bar shaped clamping groove (11) and several second bar shaped clamping grooves (12) form several concave fixing grooves, are clamped sealing in concave fixing groove
It is fixed with side seal part (3), sealing clamping is equipped with filtering respectively in several side seal parts (3) in filter box (1)
Plate (4), the surface that the top of filter box (1) is located at filtering plate (4) is equipped with several inlet tubes (13), while filtering
The bottom of cabinet (1) is provided with liquid outlet (15)；
Filtering plate (4) includes support frame (41), and integrally connected is fixed between four side side wall inner surfaces bottom ends of support frame (41)
Have fixed frame (42), the surface of fixed frame (42) is successively compressed with filter membrane (43) from top to bottom and compresses frame (44), together
When support frame (41) left and right side be mounted with the component that is locked (45) respectively, pass through the component that is locked (45) realize pair
The locking for compressing frame (44) compresses, and realizes and compresses the surface that filter membrane (43) is fixed on fixed frame (42) by frame (44)；
Two end surfaces of left and right side of support frame (41) have two the first mounting grooves (411), the slot of the first mounting groove (411)
It is provided at the center of bottom first through hole (412), the aperture of the first mounting groove (411) is greater than the aperture 1- of first through hole (412)
1.5cm, mounting groove (411) and first through hole (412) form mounting hole；The left and right side both ends side wall appearance of support frame (41) simultaneously
Face is opened there are two locating slot (413), and the side wall of first through hole (412) is provided with the second mounting groove (414), the second mounting groove
(414) the second through-hole (415) being connected with locating slot (413), the second mounting groove (414) and second are provided at slot bottom center
Through-hole (415) forms locking hole, and the aperture of the second mounting groove (414) is greater than the aperture 1-1.5cm of the second through-hole (415)；
The component (45) that is locked includes that be set in mounting hole locating rod (451) and the check lock lever that is mounted in locking hole
(454), it is arranged with reset spring (452) in locating rod (451), the one of two locating rods (451) of (41) one avris of support frame
End, which is connected through a screw thread, is fixed with the item that is locked (453), passes through one side surface of the item that is locked (453) and compression frame (44)
Compression connects, and realizes the fixation for compressing frame (44) to filter membrane (43)；
Locating rod (451) includes that clamping bar (4511) and integrally connected are fixed on the sliding bar being clamped in the middle part of bar (4511) top end face
(4512), one end of sliding bar (4512) is mounted with the first block (4513), and the diameter of clamping bar (4511) is greater than sliding
The diameter 1-1.5cm of bar (4512), sliding bar (4512) are matched with first through hole (412), clamping bar (4511) and the first peace
Tankage (411) matches, and reset spring (452) is set on sliding bar (4512), one end of reset spring (452) and clamping bar
(4511) top end face connects, and the other end connects with the slot bottom of the first mounting groove (411) compression, the diameter of the first block (4513)
Greater than the diameter 1-2cm of first through hole (412), while the side wall for being clamped bar (4511) is provided with annular fixing slot (4514)；
Check lock lever (454) includes latch segment (4541), gag lever post (4542) and the second block (4543) from top to bottom；Latch segment
(4541) it is matched with the second mounting groove (414), the diameter of latch segment (4541) is equal to the width of annular fixing slot (4514), together
When latch segment (4541) diameter be greater than the diameter 1-1.5cm of gag lever post (4542), the diameter of the second block (4543) is greater than the
The aperture 1-2cm of two through-holes (415), the second block (4543) are located in locating slot (413), and gag lever post is arranged with lock on (4542)
Tight spring (455), the bottom end of locking spring (455) connect with latch segment (4541), the slot bottom on top and the second mounting groove (414)
Connect.
2. a kind of preparation process of electrolytic copper foil according to claim 1, which is characterized in that the front end of filter box (1)
Integrally connected is fixed with sealing retainer plate (14), seals the top of retainer plate and the top end face of filter box (1) in same level
On face, fixed end cap (2) sealing, which is arranged, to be fixed in sealing retainer plate (14)；Fixed end cap (2) include square border (21) and
Integrally connected is fixed on the baffle (22) of (21) one end face of square border, the left and right side of square border (21) and bottom edge and baffle
(22) joint is mounted on sealing strip (23), while the deckle surface of square border (21) is provided with the first fixed hole
(24), when fixed end cap (2) are set in sealing retainer plate (14), the sealing strip (23) point of square border (21) left and right and lower end
Do not connect with the left and right of sealing retainer plate (14) and bottom side of the wall compression, and then realizes the sealing to filter box (1)；Baffle
(22) if side wall be equidistantly fixed with dry seal compression bar (221), sealing compression bar (221) and filter plate (4) side wall and pressure
Tightly connect；The top for sealing retainer plate (14) simultaneously is provided with the second fixed hole corresponding with the first fixed hole (24)
(141), fixed end cap (2) the first fixed hole (24) is passed through by screw and the second fixed hole (141) be arranged be fixed on it is close
It seals on retainer plate (14).
3. a kind of preparation process of electrolytic copper foil according to claim 1, which is characterized in that side seal part (3) includes
Two be oppositely arranged first sealing strip (31) and be fastened on two first seal strip (31) bottom ends between second
Seal strip (32), the first sealing strip (31) and the second sealing structure of strip (32) are identical, including base pressure item (33) and
It is vertically fixed on the side press strip (34) of base pressure item (33) surface two sides, the first sealing strip (31) is sealingly engaged with the first bar shaped card
In access slot (11), while the base pressure item (33) of the first sealing strip (31) and the slot bottom of the first bar shaped clamping groove (11) compress phase
It connects, side press strip (34) connects with the side wall of the first bar shaped clamping groove (11) compression；Second sealing strip (32) is connected to Article 2
In shape clamping groove (12), while the base pressure item (33) of the second sealing strip (32) and the slot bottom of the second bar shaped clamping groove (12) compress
Connect, side press strip (34) connects with the side wall of the first bar shaped clamping groove (12) compression, and the left and right side of support frame (41) is clamped respectively
In two first sealing strips (31), back side edge is connected in the second sealing strip (32), while the front side of support frame (41)
Avris wall connects with the sealing compression bar (221) of baffle (22) side wall compression.
4. a kind of preparation process of electrolytic copper foil according to claim 1, which is characterized in that be located at filter box (1) bottom
It is fixed between the fixed frame (42) and compression frame (44) of the filtering plate (4) at end that there are two filter membrane (43), two filter membranes
(43) the absorption carbon dust that a layer thickness is 0.5-1cm thickness is laid between, so that being located between the filter membrane of the filtering plate (4) of bottom end
One layer of adsorption layer is formed, filtering absorbent module is formed.
5. a kind of preparation process of electrolytic copper foil according to claim 1, which is characterized in that the surface four of fixed frame (42)
Side is provided with triangular prism shaped card slot (421), while the four side bottom surface integrally connecteds for compressing frame (44) are fixed with and triangular prism shaped card
The triangular prism shaped locking bar (441) of slot (421) cooperation will be compressed when filter membrane (43) is placed on fixed frame (42) surface
Frame (44) is pressed on the surface of filter membrane (43), while combined pressure is matched in triangular prism shaped locking bar (441) and triangular prism shaped card slot (421)
Tightly, triangular prism shaped locking bar (441) is protruded into triangular prism shaped card slot (42), and realization is locked to more filter membranes (43).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811171105.8A CN109137001B (en) | 2018-10-09 | 2018-10-09 | A kind of preparation process of electrolytic copper foil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811171105.8A CN109137001B (en) | 2018-10-09 | 2018-10-09 | A kind of preparation process of electrolytic copper foil |
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| CN109137001A true CN109137001A (en) | 2019-01-04 |
| CN109137001B CN109137001B (en) | 2019-09-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113293414A (en) * | 2021-07-26 | 2021-08-24 | 深圳市高尔夫飞煌科技有限公司 | Electrolytic copper foil dissolves copper processing equipment |
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| Publication number | Publication date |
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| CN109137001B (en) | 2019-09-17 |
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