CN101298692A - Novel electrolytic degreasing bath - Google Patents
Novel electrolytic degreasing bath Download PDFInfo
- Publication number
- CN101298692A CN101298692A CNA2008100974802A CN200810097480A CN101298692A CN 101298692 A CN101298692 A CN 101298692A CN A2008100974802 A CNA2008100974802 A CN A2008100974802A CN 200810097480 A CN200810097480 A CN 200810097480A CN 101298692 A CN101298692 A CN 101298692A
- Authority
- CN
- China
- Prior art keywords
- slot
- degreasing
- steel
- mixed flow
- electrode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention provides a novel electrolytic degreasing slot that is applied into the field of electrolytic degreasing production, and aims at overcoming the problems in original electrolytic degreasing that a common nozzle cannot agitate an electrolyte completely, and the removing of small bubbles that are generated on the surface of an electrode and the cleaning of solid dirt deposition are difficult. The novel electrolytic degreasing slot has following components: a degreasing slot (10) that is welded by steel plates and has a rubber lining, two sinking rollers (7), two turning rollers (6) that are installed outside the slot, a centrifugal pump (2) and a circulating slot (3) that are installed outside the slot, an overflowing opening that is opened on the top of the slot, a waste liquor storing slot that is externally connected, a heating pipe coil (4) of the electrolyte, a backflow tube (5), a band steel (9) that is used as the electrode, a mixing-flow nozzle (8) that is installed on a collecting tube at the bottom, and an array (11) of mixing-flow nozzles that are respectively installed at two sides of a wall of the degreasing slot. The novel electrolytic degreasing slot improves the uniformity degree of the electrolyte, ensures the purity of the electrolysis solution and raises electric conductivity. The bubbles and the solid dirt deposition of the electrolyte are all cleaned inside the circulating slot (3), thus lowering the operation difficulty for workers.
Description
Technical field
The invention belongs to the surface treatment production field of metallurgy industry light plate, relate in particular to the production field of electrolytic degreasing.
Background technology
The deep processing of steel plate is that galvanized sheet or colour coated plate all have good economic benefit, are a kind of matrix materials than steel plate, the processing characteristics that the good cold roll forming of steel plate is not only arranged, also have excellent corrosion resisting performance, weather resistance and good ornamental, therefore steel plate has good Application Areas through the galvanized sheet and the colour coated plate of deep processing, extensive market, economic benefit is considerable.The quality of coating quality has directly determined product performance, and the quality that surface of steel plate is handled has directly determined the sticking power of product coating, and the quality of surface of steel plate processing now directly depends on the effect of degreasing.Electrolytic degreasing is present popular method, at Zhang Qifu, Liu Bangjin, a kind of method and treatment facility of electrolytic degreasing of horizontal pole plate fluid cushion type have been described in the P199 page or leaf steel belt electrolysis cleaning of " modern steel band continuous hot galvanizing " that Huang Jianzhong writes and the equipment, steel band is by the anode volume of a pair of sealing, also form turbulent flow by both sides nozzle ejection electrolytic solution about the pole plate, the liquid pressure of following nozzle ejection and upside nozzle liquid pressure and interval band steel gravity balance each other, stop the amount of deflection of steel band because of gravity and the generation of other factors, but invar band plate shape changes, under the high-speed cruising state, because the form of nozzle is traditional circle or flat-section, electrolytic solution spraying pressure control follow the tracks of be one than complicated problems, and this form of nozzle form the turbulent flow degree also a little less than, can not evenly stir electrolytic solution, the solid dirt of the surface of steel plate that washes away can be deposited in the bottom of electrolytic degreasing bath, because the too for a short time cleaning difficulty that causes of the width of electrode and cell body width distance.
Electrolytic degreasing also is electrochemical degreasing, when the band steel when filling the rinse bath of basic solution, because the interfacial tension between oil and alkali lye reduces, oil film has produced crackle, " emulsifying effect " taken place, passing under the galvanic situation, make the band steel as male or female, electrode is owing to energising polarizes, electrifying electrodes and polarize the oxidation or the reduction reaction of brine electrolysis take place has generated the small bubbles of oxygen or hydrogen on belt steel surface, though polarization of electrode does not have much effects to the oils of non-ionic type, but along with bubble becomes big, it but makes the interfacial tension between band steel and alkali lye reduce greatly, and alkali lye strengthens the wettability of band steel, has therefore strengthened the contact area of the two soon, thereby get rid of attached to the greasy dirt on the metallic surface, make oil film further be broken into little oil droplet.Under the mechanical impact of solution convection action, oil droplet leaves belt steel surface, these small bubbles with oil droplet produce in the electrolytic degreasing process in a large number, itself and greasy dirt mix by floating on tank liquor surface as no rational treatment process between electrode and the steel plate, remove as early as possible and can reduce the degreasing working efficiency, and, influence final degreasing effect to band steel generation pollution once more.
Summary of the invention
A little less than the turbulent ability that overcomes original degreasing nozzle generation, can not fully stir electrolytic solution, that can not remove generation fast has smeary small bubbles, reduce the degreasing working efficiency, influence final degreasing effect, and the solid dirt precipitation technical barrier that is difficult to clean, the invention provides a kind of novel electrolytic degreasing bath, this electrolyzer can better improve degreasing efficient, the precipitation of easy cleaning solid dirt.
The technical scheme that the present invention solves its technical problem is: a kind of novel electrolytic degreasing bath, be welded into degreasing tank 10 by steel plate, be lined with rubber in the groove, two sinking rollers 7 are arranged, deflector roll 6 are installed in outside the groove, and groove also has impeller pump 2, circulation groove 3, electrolytic solution heating coil 4, return line 5, band steel outward as electrode 9, makes negative electrode or anode at interval, replace traditional nozzle to be installed on the collector of bottom with mixed flow nozzle 8, one row mixed flow nozzle 11 is respectively arranged in degreasing cell wall both sides.Mixed flow nozzle 8 tilts to be installed on the collector of bottom, and the vergence direction of mixed flow nozzle 8 is along the trend of steel band, and angle is in 10 degree-30 degree scopes.The height of mixed flow nozzle 10 is consistent with the steel plate height of production line in groove, and mixed flow nozzle 11 respectively is equipped with row at steel plate and electrode both sides, and its vergence direction is along the trend of steel band, and angle is in 35 degree-55 degree scopes.
Mixed flow nozzle 8 is according to Bernoulli Jacob bernoulli jet gravitation principle, adopt rational geometric curved surfaces parameter designing to form, fluid forms the area of low pressure around conical nozzle is ejected in guiding port at a high speed, because the areal pressure difference and the amount of surging are used to attract liquid, make the high speed operation jet and be attracted liquid and enter with 1: 4 fluid input jointly and mix expansion section and eject and reach solution and do not have air mixed and stir, abundant stirred liq, can make the flow direction in the groove after bumping against the degreasing cell wall shown in the accompanying drawing 1, be back to the steel band inlet side, have the smeary small bubbles to what electrode produced along the charging oral-lateral of flow direction to steel plate, float on fluid surface gradually, flow to circulation groove 3 by the refluxing opening of opening at the steel band on the suction side, not in degreasing tank 10, thereby guaranteed the purity of groove electrolyte inside, and the degree of uniformity of electrolytic solution, improve conductivity, the circulation of elecrolyte refluxing opening is opened at the steel band on the suction side, be beneficial to discharge contain bubble muddy electrolytic solution the time unlikely pollution electrolyzer outlet strip.Mixed flow nozzle 11 is sprayed the fluidic direction as shown in Figure 2, flow direction can by between the battery lead plate against the direction of steel band, can the very first time have the smeary small bubbles from taking away between the pole plate that produces bubble, steel plate is made supporting electrode, it only plays conduction, the transmission of electric current be from electrode by electrolytic solution to the band steel, then by the band steel, arrive electrode of opposite through electrolytic solution again, therefore the degree of uniformity of electrolytic solution and clarity both current density directly determined the quality of its conductivity, guarantee carrying out smoothly of conduction, can well guarantee carrying out smoothly of electrolytic degreasing.
The invention has the beneficial effects as follows: adopt this technical scheme can fully stir electrolytic solution, realize that no air mixed stirs, prevent contamination precipitation, make ionogen even, take away bubble and greasy dirt, and strip and electrode surface fully washed away, guarantee the purity of electrolytic solution, improved the quality of electrolytic degreasing, obtained the steel plate of high cleanliness, can guarantee the quality of later working procedure of coating, improve the sticking power of product coating.This technology is the Successful Practice of jet drainage principle in the electrolytic degreasing system, improved the surface quality of handling strip greatly, made because the quality of coating qualification rate that the strip surface treatment effect causes has improved 5 percentage points of quality percentages with similar type ratio to reach 98%.And the precipitation of the solid dirt in electrolytic solution froth breaking and the electrolytic solution all removes circulation groove 3 in, can significantly reduce the number of times of the removing solid dirt in the electrolytic degreasing bath 10, reduction workman's operation easier.
Description of drawings
Fig. 1: electrolytic degreasing schematic diagram front view
Fig. 2: electrolytic degreasing schematic diagram vertical view
Among Fig. 1, among Fig. 2: 1. strip, 2 impeller pumps, 3. circulation groove, 4. electrolytic solution heating coil, 5. return line, 6. deflector roll, 7. sinking roller, 8. mixed flow nozzle, 9. electrode, 10. electrolytic degreasing bath, 11. mixed flow nozzle
Embodiment
Shown in accompanying drawing 1: provide the impeller pump 2 of power that electrolytic solution is transported in the electrolytic degreasing bath 10 by mixed flow nozzle 8 and mixed flow nozzle 11 in circulation groove 3 for circulation of elecrolyte, by return line 5 liquid is brought back to circulation groove 3 again then, electrolytic solution heating coil 4 is positioned at the circulation groove 3 of heating electrolytic solution, has just protected the required temperature of electrolysis.On the suction side and inlet side, sinking roller 7 that two deflector roll 6 are installed in electrolytic degreasing bath 10 respectively are installed in the electrolytic degreasing bath 10, the circulation of elecrolyte refluxing opening is opened at the steel band on the suction side, the clean strip of unlikely pollution electrolyzer outlet when being beneficial to discharge the muddy electrolytic solution that contains impurity.Rectifier power source is given electrode 9 and steel plate energising, regularly conversion of the positive-negative polarity of the two, the transmission of electric current be from electrode by electrolytic solution to the band steel, then by the band steel, again through electrolytic solution to electrode of opposite.The cleaning of electrode is undertaken by the polarity conversion.The oxidation or the reduction reaction of brine electrolysis take place as electrode in steel band because of energising polarizes, the small bubbles of oxygen or hydrogen on belt steel surface, have been generated, along with bubble becomes big, it but makes the interfacial tension between band steel and alkali lye reduce greatly, alkali lye strengthens the wettability of band steel, has therefore strengthened the contact area of the two soon, thereby gets rid of attached to the greasy dirt on the metallic surface, make oil film further be broken into little oil droplet, be suspended in the electrolytic solution.
The disturbance of electrolytic solution circulation be by water pump with electrolytic solution with greater than 2kg/cm
2Pressure realizes in the mixed flow nozzle 8 of bottom land that by cloth mixed flow nozzle 8 tilts to be installed on the collector of bottom, and the vergence direction of mixed flow nozzle 8 is along the trend of steel band, and angle is in 10 degree-30 degree scopes.Fluid forms the area of low pressure around conical nozzle is ejected in guiding port at a high speed, because the areal pressure difference and the amount of surging act on attraction liquid, make the high speed operation jet and be attracted liquid and enter with 1: 4 fluid input jointly and mix expansion section and eject, can make the flow direction in the groove after bumping against the degreasing cell wall shown in the accompanying drawing 1, be back to the steel band inlet side, make electrolytic degreasing bath 10 electrolyte inside faces with＞0.5 meter per second flow rate, promptly having washed away strip and electrode surface makes electrolytic solution fully stir to have strengthened the degreasing fluid froth breaking again and improves the degreasing fluid conductive capability, reaching no air mixed stirs, prevent the solid dirt precipitation, in order to avoid be difficult to desilting in the electrolyzer, make the ionogen in the electrolytic degreasing bath 10 even, strengthened its conductivity, improved bubble and the smeary ability taken away, have the smeary small bubbles to what electrode produced along the charging oral-lateral of flow direction, float on fluid surface gradually to steel plate.The flow direction that mixed flow nozzle 11 is sprayed as shown in Figure 2, the height of mixed flow nozzle 11 is consistent with the steel plate height of production line in groove, mixed flow nozzle 11 respectively is equipped with row at steel plate and electrode both sides, and its vergence direction is against the trend of steel band, and angle is in 35 degree-55 degree scopes.Flow direction by between the battery lead plate against the direction of steel band, its vertical steel take away to component can repeal by implication, the component of contrary person's steel band trend can have the smeary small bubbles along the charging oral-lateral of flow direction to steel plate from taking away between the pole plate that produces bubble in the very first time, can improve the purity of electrolytic solution between pole plate and the steel plate like this, strengthen electrolytic current density, improve conductivity.Have the smeary small bubbles and flow to the steel band on the suction side, float on fluid surface gradually, flow to circulation groove 3 by the refluxing opening of opening at the steel band on the suction side along tank liquor, not in electrolytic degreasing bath 10, thereby guaranteed the purity of groove electrolyte inside, and the degree of uniformity of electrolytic solution, conductivity improved.The circulation of elecrolyte refluxing opening is opened at the steel band on the suction side, be beneficial to discharge contain bubble muddy electrolytic solution the time unlikely pollution electrolyzer outlet strip.Solid dirt precipitation in electrolytic solution de-bubble and the electrolytic solution is all removed in circulation groove 3, can significantly reduce the number of times of the removing solid dirt in the electrolytic degreasing bath 10, reduces workman's operation easier.
Claims (3)
1. novel electrolytic degreasing bath, be welded into degreasing tank (10) by steel plate, be lined with rubber in the groove, two sinking rollers (7) are arranged, two deflector roll (6) are installed in outside the groove, groove also has impeller pump (2), circulation groove (3), circulation groove to have overflow port on (3) outward, external waste liquid storage tank, electrolytic solution heating coil (4), return line (5), band steel are as electrode (9), make negative electrode or anode at interval, it is characterized in that: replace traditional nozzle to be installed on the collector of bottom with mixed flow nozzle (8), a row mixed flow nozzle (11) is respectively arranged in degreasing cell wall both sides.
2. a kind of device that improves degreasing efficient as claimed in claim 1 is characterized in that mixed flow nozzle (8) tilts to be installed on the collector of bottom, and the vergence direction of mixed flow nozzle (8) is along the trend of steel band, and angle is in 10 degree-30 degree scopes.
3. a kind of device that improves degreasing efficient as claimed in claim 1, the height that it is characterized in that mixed flow nozzle (11) is consistent with the steel plate height of production line in groove, mixed flow nozzle (11) respectively is equipped with row at steel plate and electrode both sides, its vergence direction is against the trend of steel band, and angle is in 35 degree-55 degree scopes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100974802A CN101298692A (en) | 2008-05-30 | 2008-05-30 | Novel electrolytic degreasing bath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100974802A CN101298692A (en) | 2008-05-30 | 2008-05-30 | Novel electrolytic degreasing bath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101298692A true CN101298692A (en) | 2008-11-05 |
Family
ID=40078634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100974802A Pending CN101298692A (en) | 2008-05-30 | 2008-05-30 | Novel electrolytic degreasing bath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101298692A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105369176A (en) * | 2015-11-23 | 2016-03-02 | 江苏大力神科技股份有限公司 | Novel electrolytic cell |
| CN105483812A (en) * | 2015-12-24 | 2016-04-13 | 中色奥博特铜铝业有限公司 | Degreasing method adopted in rolled copper foil surface treatment process |
| CN106498486A (en) * | 2016-12-23 | 2017-03-15 | 西安长峰智能科技产业有限公司 | A kind of efficient electrolysis purging system electrolyte injection equipment |
| CN107199166A (en) * | 2017-06-13 | 2017-09-26 | 浙江明泉工业装备科技有限公司 | New-energy automobile car body coating pretreating device |
-
2008
- 2008-05-30 CN CNA2008100974802A patent/CN101298692A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105369176A (en) * | 2015-11-23 | 2016-03-02 | 江苏大力神科技股份有限公司 | Novel electrolytic cell |
| CN105483812A (en) * | 2015-12-24 | 2016-04-13 | 中色奥博特铜铝业有限公司 | Degreasing method adopted in rolled copper foil surface treatment process |
| CN105483812B (en) * | 2015-12-24 | 2017-07-07 | 中色奥博特铜铝业有限公司 | A kind of degreasing method in rolled copper foil surface treatment process |
| CN106498486A (en) * | 2016-12-23 | 2017-03-15 | 西安长峰智能科技产业有限公司 | A kind of efficient electrolysis purging system electrolyte injection equipment |
| CN106498486B (en) * | 2016-12-23 | 2018-10-16 | 西安长峰机电研究所 | A kind of efficient electrolysis cleaning system electrolyte injection equipment |
| CN107199166A (en) * | 2017-06-13 | 2017-09-26 | 浙江明泉工业装备科技有限公司 | New-energy automobile car body coating pretreating device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103334123B (en) | A kind of cupric electrolysis system and operation method | |
| KR20170107494A (en) | Ecological methods and related devices for continuous chrome plating of bars | |
| CN101298692A (en) | Novel electrolytic degreasing bath | |
| CN104117510A (en) | Device and method for cleaning surface of silicon steel | |
| CN101871108A (en) | Electrolyte vacuum boiling type high speed electro-deposition method and device thereof | |
| US20170081771A1 (en) | Parallel Jet Electrolytic Process and Device | |
| CN103025922A (en) | Electroplating apparatus | |
| CN111575778A (en) | Continuous scum removing method for electroplating solution | |
| CN105923797A (en) | Full automatic descaling and sterilizing device for water body with high flow | |
| CN210826392U (en) | Electrolytic device for industrial production of 5N high-purity copper | |
| KR101245314B1 (en) | Electric plating apparatus with horizontal cell | |
| CN206219686U (en) | A kind of alkaline etching liquid electrolysis carries copper system system | |
| CN202786491U (en) | Liquid chamber type electrolytic cleaning device | |
| CN201190192Y (en) | Novel electrolytic degreasing bath | |
| CN105593171A (en) | Micro-electrolysis device and control method, integrated water processing device and water processing method | |
| CN107090591A (en) | New-energy automobile car body electrophoretic device | |
| CN103266344B (en) | Cold-strip steel high-speed Cleaning Line electrolytic clean unit | |
| CN203904040U (en) | System for recycling manganese containing wastewater | |
| CN201186955Y (en) | Flexible material electroplating apparatus | |
| CN206624936U (en) | A kind of electroplating bath based on FPC plating | |
| CN201793801U (en) | High-pressure water jet high-current density degreasing device | |
| CN211445923U (en) | Stannous octoate electrochemistry continuous cycle synthesizer | |
| CN206735976U (en) | Air washes away the electrochemical softening of water system of detergency | |
| CN204384936U (en) | A kind of multiple-unit integrated form electrolyzer | |
| CN210689229U (en) | Automatic water supply equipment of vertical heating furnace in oil field |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20081105 |