CN101423970A - Band steel electrolytic degreasing bath - Google Patents
Band steel electrolytic degreasing bath Download PDFInfo
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- CN101423970A CN101423970A CNA200810234165XA CN200810234165A CN101423970A CN 101423970 A CN101423970 A CN 101423970A CN A200810234165X A CNA200810234165X A CN A200810234165XA CN 200810234165 A CN200810234165 A CN 200810234165A CN 101423970 A CN101423970 A CN 101423970A
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Abstract
The invention relates to a strip steel degreasing electrolytic cell, which belongs to the technical field of a production facility of hot-galvanized strip steels. The strip steel degreasing electrolytic cell comprises a cell body, a pair of strip steel guide-in rollers which are arranged on one end of the cell body, and a pair of strip steel guide-out rollers which are arranged on the other end of the cell body, and is characterized in that the strip steel degreasing electrolytic cell also comprises a spray system, wherein the spray system is fixed on the cell body and corresponds to the upper part between the pair of strip steel guide-out rollers. The strip steel degreasing electrolytic cell has the advantages that the strip steel degreasing electrolytic cell can implement spraying on strip steels which are discharged from the cell body of the degreasing electrolytic cell, remove oil stain impurities which are adhered to the surfaces of the strip steels and come from the lye surface in the cell body of the degreasing electrolytic cell, and prevent the oil stain impurities from being carried to the next procedure, so that the strip steel degreasing electrolytic cell can guarantee the surface cleaning effect of the strip steels and provide guarantee the water scrubbing effect of the next water scrubbing procedure, and can not generate the plating leakage phenomenon in the hot galvanizing procedure.
Description
Technical field
The invention belongs to the production facility technical field of hot-dip galvanized steel strip, be specifically related to a kind of band steel electrolytic degreasing bath.
Background technology
Industry is known, being with before steel is put to pot galvanize, need carry out clean to the surface of band steel, band steel electrolytic degreasing bath be will the band steel the oil removal that when rolling, stays of surface.The mechanism of electrolytic degreasing is to pass through electrolysis in the electrolyzer, water in the alkali in groove liquid is separated out hydrogen, oxygen bubbles at belt steel surface, will be attached to the oil film failure of belt steel surface, the band steel that bubble adheres to from oil droplet breaks away from and is stranded in the surface of oil droplet and rests on the interface of oil and degreasing fluid, because new bubble is constantly separated out, small bubbles increase gradually, thereby make oil droplet under the effect of bubble, break away from belt steel surface, brought into by bubble in the degreasing fluid of electrolyzer, simultaneously, the small bubbles of generation can be taken the oxide skin on surface and the foul in the space out of.
The pot galvanize quality of the band steel in road, the good and bad directly influence back of the effect of electrolytic degreasing, for example, through still leaving greasy dirt as if belt steel surface behind the electrolytic degreasing, the spot of the style of calligraphy characterized by hollow strokes promptly appears in the plating leakage phenomenon in the time of can pot galvanize occurring so at belt steel surface.Especially; when unit is in when the band steel implemented end to end welding; the cleaning section compressor emergency shutdown; tend to make this moment the impurity on the alkali lye surface in the electrolytic degreasing bath stiffly to adhere to the belt steel surface in the electrolyzer and be brought under the cleaning section one water and scrub operation; be difficult to its eccysis and descend water together to scrub operation, give the zinc-plated trouble that causes.
Summary of the invention
Task of the present invention is will provide a kind of greasy dirt impurity that can avoid the alkali lye surface in the electrolyzer effectively to adhere to belt steel surface and gone out and used the band steel electrolytic degreasing bath that ensures the belt steel surface cleaning effect behind the electrolytic degreasing by the band steel band.
Task of the present invention is finished like this, a kind of band steel electrolytic degreasing bath, it comprises cell body and a pair of band steel guide-in roller of an end that is located at described cell body and a pair of band steel outlet roller that is located at the other end of cell body, characteristics are: also include a spray equipment, this spray equipment is fixed on the cell body and corresponding to the top between the described a pair of band steel outlet roller.
Spray equipment of the present invention comprises pair of brackets, a spray thrower and a water pipe, and the lower end of pair of brackets is fixed on the wall body of described cell body separately and both keep corresponding, and spray thrower is fixed on the upper end of support, water pipe and spray thrower connection.
Spray thrower of the present invention is one to be intervally distributed with the tubular body arranged inside of spray orifice at length direction.
Spray equipment of the present invention comprises pair of brackets, a pair of spray thrower and a pair of water pipe, the lower end of pair of brackets is fixed on the wall body of correspondence of described cell body separately and both keep corresponding, a pair of spray thrower is fixed with the upper end of corresponding support separately, and a pair of water pipe connects with corresponding spray thrower separately.
A pair of spray thrower of the present invention respectively comprises a cantalever tube and a fog-spray nozzle, and an end of cantalever tube and the upper end of described support are fixed, and the other end sets firmly described fog-spray nozzle, and described water pipe and cantalever tube connect.
Spray orifice of the present invention is towards the below.
The spout of fog-spray nozzle of the present invention is towards the below.
Band steel when the technical scheme that the present invention recommended can go out the cell body of electrolytic degreasing bath to row is implemented spray, the greasy dirt contaminant removal on the intravital alkali lye of the groove that the comes from electrolytic degreasing bath surface of belt steel surface will be adhered to, prevent to be with steel to bring subsequent processing in, thereby can guarantee the cleaning effect of belt steel surface, the water washing effect of scrubbing operation for the water in road, back provides guarantee, can not appear at and produce the plating leakage phenomenon in the pot galvanize operation.
Description of drawings
Fig. 1 is a first embodiment of the present invention structure iron.
Fig. 2 is a second embodiment of the present invention structure iron.
Embodiment
Embodiment 1:
Ask for an interview Fig. 1, provided the public band steel degreasing electrolyzer of industry in the prior art, the cell body 1 of this band steel electrolytic degreasing bath is the shape of a rectangular parallelepiped, and configuration is used to remove the greasy electrolytic degreasing liquid such as the alkali lye on the surface of being with steel 5 in the cavity volume of cell body 1.End at cell body 1 promptly is provided with a pair of band steel guide-in roller 2 with the right-hand member of present location status shown in Figure 1, specifically: will be with the corresponding inwall of the two ends of steel guide-in roller 2 and cell body 1 with bearing and add bearing support and cell body 1 hub setting, the notion of said hub setting here is rotatable the setting.In the present embodiment, though show a pair of band steel guide-in roller 2, can rationally increase as required, for example be three or four (promptly two pairs) band steel guide-in roller 2.The other end at cell body 1 is that illustrated right-hand member is provided with a pair of band steel outlet roller 3, and set-up mode is as the description to band steel guide-in roller 2.
Please continue to see Fig. 1, as technical essential of the present invention, dispose a spray equipment 4 above between a pair of band steel outlet roller 3 by means of cell body 1, the structure of the spray equipment 4 that present embodiment is recommended comprises: pair of brackets 41, one spray thrower 42 and a water pipe 43, each fixes the lower end of a support 41 at the both sides outer wall of the correspondence of cell body 1, and the upper end of each support 1 stretches upwards, the degree that stretches upwards is advisable with the plane that is enough to exceed described band steel outlet roller 3, spray thrower 42 is a tubular body arranged inside, the spaced apart spray orifice 421 that is provided with of central region at the length direction of spray thrower 42, spray orifice 421 is towards following, promptly towards cell body 1, more particularly towards band steel 5, each fixes the two ends of spray thrower 42 with the upper end of corresponding support 41, and water pipe 43 connects with spray thrower 42.
When electrolytic degreasing bath is in running order, band steel 5 is introduced from the right-hand member of cell body 1, lead and the cavity volume of cell body 1 through band steel guide-in roller 2, by electrolytic degreasing liquid in the cavity volume such as alkali lye the grease on band steel 5 surfaces is implemented electrolytic degreasing, the band steel 5 behind the electrolytic degreasing is derived by band steel outlet roller 3.Because the surface of the band steel 5 when drawing cell body 1 is stained with greasy dirt impurity unavoidably, therefore, between a pair of band steel outlet roller 3 and occupy above the effect of the spray equipment that the present invention recommended 4 under, the assorted dirt of greasy dirt that can will adhere to belt steel surface is removed, specifically: provide the water source to spray thrower 42 by water pipe 43, be ejected on the band steel 5 by the spray orifice 421 of spray thrower 42, thus make band steel 5 be able under clean conditions, introduce under together water scrub step.According to general knowledge, be provided with tensimeter and flow control valve on the water-supply line of water pipe 43 undoubtedly, implement to regulate according to the pickup degree of band steel 5.
Embodiment 2:
Ask for an interview Fig. 2, provided the another kind of embodiment of spray equipment 4, in the present embodiment, spray equipment 4 comprises pair of brackets 41, a pair of spray thrower 42 and a pair of water pipe 43, the lower end of pair of brackets 41 is fixed with the two corresponding outer walls of cell body 1, each fixes a spray thrower 42 in the upper end of pair of brackets 41, each spray thrower 42 comprises a cantalever tube 422 and a fog-spray nozzle 423, one end of cantalever tube 422 and the upper end of support 41 are fixed, the other end of cantalever tube 422 is fog-spray nozzle 423 fixedly, a pair of water pipe 43 each and corresponding cantalever tube 422 connections are introduced cantalever tube 422 for fog-spray nozzle 423 sprays and to the band steel 5 corresponding to its below by water pipe 43 with the water source.All the other are with the description to embodiment 1.
Though the applicant has only exemplified the spray equipment 4 of two kinds of structure formations in the above; but can expect the spray equipment 4 of other structure formation in addition fully; in view of the above, can not think the protection domain of technical scheme of the present invention of having dissociated because of the structural changes of spray equipment 4.The band steel leading-out end position of therefore any cell body 1 at electrolytic degreasing bath is provided with spray equipment 4, so all should be considered as technical scheme scope disclosed in this invention.
The applicant is in this enterprise and will dispose the electrolytic degreasing bath of spray equipment 4 and the electrolytic degreasing bath that does not dispose spray equipment 4 in the prior art has carried out contrast and uses under secrecy provision, the result shows, after the zinc pot in road, back is zinc-plated, belt steel surface can not find the style of calligraphy characterized by hollow strokes phenomenon of plating leakage, and existing technology has tangible local style of calligraphy characterized by hollow strokes phenomenon.Therefore the present invention program is ultimate attainment, can ensure the final quality of band steel 5.
Claims (7)
1, a kind of band steel electrolytic degreasing bath, it comprises cell body (1) and is located at a pair of band steel guide-in roller (2) of an end of described cell body (1) and a pair of band steel outlet roller (3) that is located at the other end of cell body (1), it is characterized in that: also include a spray equipment (4), this spray equipment (4) is fixed on the cell body (1) and corresponding to the top between the described a pair of band steel outlet roller (3).
2, band steel electrolytic degreasing bath according to claim 1, it is characterized in that described spray equipment (4) comprises pair of brackets (41), a spray thrower (42) and a water pipe (43), the lower end of pair of brackets (41) is fixed on the wall body of described cell body (1) separately and both keep corresponding, spray thrower (42) is fixed on the upper end of support (41), and water pipe (43) connects with spray thrower (42).
3, band steel electrolytic degreasing bath according to claim 2 is characterized in that described spray thrower (42) is one to be intervally distributed with the tubular body arranged inside of spray orifice (421) at length direction.
4, band steel electrolytic degreasing bath according to claim 1, it is characterized in that described spray equipment (4) comprises pair of brackets (41), a pair of spray thrower (42) and a pair of water pipe (43), the lower end of pair of brackets (41) is fixed on the wall body of correspondence of described cell body (1) separately and both keep corresponding, a pair of spray thrower (42) is fixed with the upper end of corresponding support (41) separately, and a pair of water pipe (43) connects with corresponding spray thrower (42) separately.
5, band steel electrolytic degreasing bath according to claim 4, it is characterized in that described a pair of spray thrower (2) respectively comprises a cantalever tube (422) and a fog-spray nozzle (423), the upper end of one end of cantalever tube (422) and described support (41) is fixed, the other end sets firmly described fog-spray nozzle (423), and described water pipe (43) connects with cantalever tube (422).
6, band steel electrolytic degreasing bath according to claim 3 is characterized in that described spray orifice (421) is towards the below.
7, band steel electrolytic degreasing bath according to claim 5, the spout that it is characterized in that described fog-spray nozzle (423) is towards the below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810234165XA CN101423970A (en) | 2008-11-05 | 2008-11-05 | Band steel electrolytic degreasing bath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810234165XA CN101423970A (en) | 2008-11-05 | 2008-11-05 | Band steel electrolytic degreasing bath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101423970A true CN101423970A (en) | 2009-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200810234165XA Pending CN101423970A (en) | 2008-11-05 | 2008-11-05 | Band steel electrolytic degreasing bath |
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| CN (1) | CN101423970A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101984147A (en) * | 2010-11-08 | 2011-03-09 | 张志良 | Electrode for electrolytic degreasing for hot galvanizing steel belt production line and manufacture method thereof |
| CN102357488A (en) * | 2011-08-26 | 2012-02-22 | 武汉高川科技开发有限公司 | Method for cleaning surface of strip steel of coating unit |
| CN105040088A (en) * | 2015-08-11 | 2015-11-11 | 佛山市环宇新型材料有限公司 | Electrolytic decontamination device for strip steel |
| CN105369176A (en) * | 2015-11-23 | 2016-03-02 | 江苏大力神科技股份有限公司 | Novel electrolytic cell |
-
2008
- 2008-11-05 CN CNA200810234165XA patent/CN101423970A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101984147A (en) * | 2010-11-08 | 2011-03-09 | 张志良 | Electrode for electrolytic degreasing for hot galvanizing steel belt production line and manufacture method thereof |
| CN102357488A (en) * | 2011-08-26 | 2012-02-22 | 武汉高川科技开发有限公司 | Method for cleaning surface of strip steel of coating unit |
| CN102357488B (en) * | 2011-08-26 | 2013-06-05 | 武汉高川科技开发有限公司 | Method for cleaning surface of strip steel of coating unit |
| CN105040088A (en) * | 2015-08-11 | 2015-11-11 | 佛山市环宇新型材料有限公司 | Electrolytic decontamination device for strip steel |
| CN105369176A (en) * | 2015-11-23 | 2016-03-02 | 江苏大力神科技股份有限公司 | Novel electrolytic cell |
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Open date: 20090506 |