CN203583001U - Electrolysis cleaning device of cold-rolled strip steel high-speed cleaning line - Google Patents
Electrolysis cleaning device of cold-rolled strip steel high-speed cleaning line Download PDFInfo
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- CN203583001U CN203583001U CN201320269372.5U CN201320269372U CN203583001U CN 203583001 U CN203583001 U CN 203583001U CN 201320269372 U CN201320269372 U CN 201320269372U CN 203583001 U CN203583001 U CN 203583001U
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Abstract
The utility model provides an electrolysis cleaning device of a cold-rolled strip steel high-speed cleaning line. The electrolysis cleaning device comprises electrolysis cells and is characterized in that more than two sets of electrolysis cells as well as plate electrodes, high-pressure spraying pipes and sink rollers which are arranged in the electrolysis cells are arranged side by side; an integral transition cell is at the upper parts of the more than two sets of electrolysis cells which are arranged side by side, a turning roller is arranged in the transition cell, the front end and the rear end of the transition cell are provided with a strip steel inlet and a strip steel outlet, and the top of the transition cell is provided with a steam discharge port; the more than two sets of plate electrodes in electrolysis cells, which are arranged side by the side, are respectively arranged according to the positive polarity and the negative polarity, and the electrolysis cells in which the negative plate electrodes are arranged are located at the last positions of all the electrolysis cells which are arranged side by side. The electrolysis cleaning device provided by the utility model has a good cleaning effect, is capable of effectively eliminating hydrogen penetrating into strip steel in a cleaning process, avoiding hydrogen brittleness and ensuring the quality of strip steel subjected to electrolysis cleaning not to be affected.
Description
Technical field
The utility model relates to a kind of strip cleaning device, particularly a kind of cold-strip steel high-speed Cleaning Line electrolytic clean unit.
Background technology
Electrolytic clean unit is important component devices in strip cleaning equipment (steel mill is often referred to as wet section), and a band steel Cleaning Line is comprised of multiple single devices.Generally comprise that alkali spray, alkali are rinsed and washed, the equipment composition such as electrolytic cleaning, high pressure water cleaning, high pressure water spray, water are scrubbed, oven dry, its objective is greasy dirt and the impurity of fully removing belt steel surface, for continuous annealing, zinc-plated, zinc-plated, chromium plating, color coating ready.
The greasy dirt of cold rolled strip and impurity are generally by with steel, the ROLLING OIL in the operation of rolling deposits, the iron powder that during rolling, surface friction produces, and the dust gathering with steel, the flue dust producing with steel head welding and welding slag etc. produce.Accompanying drawing 2 is the schematic diagram with the greasy dirt on steel and impurity, and in figure, A is iron powder.
Band steel by alkali spray, alkali rinses to wash most greasy dirt washed, but due to the impact of steel plate roughness, particularly autobody sheet breaker roll when rolling carries out texturing processing, there are many greasy dirt particles and booty particle in surface of steel plate convex-concave place like this, be not easy very much to remove, if adopt the method for electrolytic cleaning just can remove these dirts.Accompanying drawing 3 is greasy dirt residue schematic diagram that roughness causes, and in figure, B is the residue that roughness causes.
Electrolytic cleaning is to adopt electrochemical method to remove greasy dirt, generally in band steel both sides, load onto battery lead plate, and pass through direct current, when electrode strip polarity chron, can be because induction be with the upper polarity contrary with battery lead plate with steel, when being positive pole, is with by battery lead plate steel to be negative pole, otherwise, when being negative pole, is with by battery lead plate steel to be anodal.No matter be with steel to be positive pole or negative pole, all can produce a large amount of gas, the process of electrolytic cleaning is actually the process of brine electrolysis, and the decomposition of water occurs in electrolytic solution, at the anode precipitated oxygen that reacts, at negative electrode, reacts and separates out hydrogen.Along with belt steel surface gas produces in a large number, force the greasy dirt particle of belt steel surface to leave band steel, played the effect of further cleaning by degreasing.
Early stage strip cleaning line speed is lower, but along with the progressive strip cleaning line speed of technology is more and more higher, develop into 600 ms/min (400 ms/min above at a high speed) by original 200 ms/min, such high speed is cleaned just has three problems need to study and solve: (1) current density and with steel impact on removing greasy dirt of the relative residence time in electrode; Current density is greatly except speed oil is fast, but current density and not being directly proportional except speed oil, when current density increases to a certain degree, just not obvious except speed oil increase, undue increase current density makes power consumption increase on the contrary, so current density generally remains in certain scope, band steel residence time in electrode is directly proportional to removing greasy dirt speed, but because strip speed increases, band steel residence time in electrode shortens, and the effect of greasy dirt is removed in impact.(2) when band steel is during for (sun) utmost point just, be called the oil removing of negative (the moon) utmost point; When band steel is for negative (the moon) utmost point, be just called the oil removing of (sun) utmost point; Negative (the moon) utmost point oil removing meeting produces a large amount of hydrogen at belt steel surface, the drum that the oil removing of negative (the moon) utmost point produces for (sun) utmost point oil removing is just little, quantity is many, so its deoiling effect is good, but the hydrogen producing can be seeped in band steel and go, increase the possibility with steel generation hydrogen embrittlement, also have hydrogen to be seeped in the inherent subsequent coating operation of band steel and easily separate out and cause vesicle, affect the quality of coating.(3) difficult thereby strip speed increase can make a large amount of steam of electrolyte atomizing increase generation bring electrolyzer to seal.
Fig. 3 is the electrolyzer schematic diagram of prior art conventional electrolysis cleaning product line, band steel band steel entrance 11 enters electrolyzer, through deflector roll 3, turn to, band steel enters in battery lead plate 5, and high pressure spray shower pipe 4 sprays into electrolytic solution, and band steel 8 proceeds to opposite side battery lead plate by sinking roller 6, after turning to, deflector roll have again band steel exports 1 to export, electrolytic solution flows into circulation of elecrolyte case by electrolyte outlet 7, then has recycle pump to be input to high pressure spray shower pipe to recycle, and the steam that electrolysis produces is got rid of by steam outlet 12.This electrolytic cleaning tank is applicable to the lower cleaning product line of strip speed, when belt speed during higher than 200 ms/min cleaning performance greatly decline, can not meet the requirement of cleaning quality.The cleaning product line speed of customer requirement will reach 600 ms/min now, and therefore the strip cleaning production line of prior art far can not meet production requirement.
Utility model content
The purpose of this utility model is to provide a kind of cold-strip steel high-speed Cleaning Line electrolytic clean unit.
The purpose of this utility model is achieved in that a kind of cold-strip steel high-speed Cleaning Line electrolytic clean unit, comprise electrolyzer, in electrolyzer, be provided with battery lead plate, high pressure spray shower pipe and sinking roller, bottom of electrolytic tank is provided with electrolyte outlet, electrolyte outlet is communicated with circulation of elecrolyte case by pipeline, high pressure spray shower pipe connects circulating-pump outlet by pipeline, pump entry is communicated with circulation of elecrolyte case, it is characterized in that: described electrolyzer and in battery lead plate, high pressure spray shower pipe and the sinking roller established be that two covers are arranged side by side above; The upper part of the electrolytic cell being arranged side by side more than two covers arranges holistic ramp pan, is provided with deflector roll in ramp pan, and ramp pan front and back end is provided with band steel entrance and band steel exports, and the top of ramp pan is provided with steam outlet; Battery lead plates in the above electrolyzer being arranged side by side of described two cover arrange respectively according to two kinds of the battery lead plates of positive-negative polarity, and in establish negative el electrolyzer be positioned at all electrolyzers rearmost position being arranged side by side; With steel, pass through the band steel entrance of ramp pan, through deflector roll, enter electrolyzer downwards, then by turning to again by opposite side battery lead plate through sinking roller after a lateral electrode plate, upwards enter ramp pan, in deflector roll enter the next electrolyzer being arranged side by side again, until exported by the band steel exports of ramp pan, complete electrolytic cleaning task after last electrolyzer.
The purpose of this utility model can also realize like this: the described electrolyzer being arranged side by side and in battery lead plate, high pressure spray shower pipe and the sinking roller established be three covers, wherein the battery lead plate in the first two cover connects positive source, for anode electrode plate, rear a set of interior battery lead plate connects power cathode, is negative el.
Be with steel exports in ramp pan before, be provided with squeezing roller.
The utlity model has following beneficial effect: can effectively solve cold-strip steel high-speed and clean tape steel residence time section in battery lead plate, the problem that cleaning performance is poor; Thereby solution produces a large amount of steam and brings electrolyzer sealing difficult problem because strip speed increase increases electrolyte atomizing; Mainly in electrolyzer, to adopt respectively two kinds of battery lead plates of positive and negative electrode, and in the end in an electrolyzer, be provided with negative el, effectively eliminated the hydrogen penetrating into in steel, avoided the generation of Hydrogen Brittleness Phenomena, guaranteed that the quality with steel is unaffected after electrolytic cleaning.
Accompanying drawing explanation
Fig. 1 the utility model structural representation
Greasy dirt on Fig. 2 band steel and the schematic diagram of impurity
The greasy dirt residue schematic diagram that Fig. 3 roughness causes
The electrolyzer schematic diagram of Fig. 4 prior art conventional electrolysis cleaning product line
Embodiment
In figure, parts label is as follows: band steel exports 1, squeezing roller 2, deflector roll 3, high pressure spray shower pipe 4, battery lead plate 5, sinking roller 6, electrolyte outlet 7, band steel 8, electrolyzer 9, ramp pan 10, band steel entrance 11, steam outlet 12.
For cleaning at a high speed with steel the problem producing, the utility model proposes following solution: (1) is arranged side by side more than two electrolyzer, band steel, continuously by multiple electrolyzers, has solved with short problem of steel residence time in battery lead plate.(2) electrolyzer of prior art is decomposed into upper and lower two portions, bottom is multiple monomer cell constructions, battery lead plate is contained in monomer electrolyzer, be convenient to like this processing, transportation and maintenance, it is ramp pan that the top of the electrolyzer of prior art is integrated into a cell body, will organize deflector roll more and set within it, share a gangway, so just reduced gangway, the steam forming with steel of high-speed cruising is collected in larger ramp pan container, and sealing relatively easily realizes.(3) in the electrolyzer of multiple monomers, before several battery lead plates connect just (sun) utmost point of power supply, band steel is negative (the moon) utmost point, is negative (the moon) utmost point oil removing mode, drum is little, quantity is many, deoiling effect is good.In last monomer electrolyzer, battery lead plate connects negative (the moon) utmost point, makes to be like this seeped into hydrogen particle in steel and separates out under the effect of reverse electrode, reduces with steel hydrogen embrittlement and occurs and created good condition for subsequent figure coating operation.
Concrete structure of the present utility model is: a kind of cold-strip steel high-speed Cleaning Line electrolytic clean unit, comprise electrolyzer 9, in electrolyzer 9, be provided with battery lead plate 5, high pressure spray shower pipe 4 and sinking roller 6, electrolyzer 9 bottoms are provided with electrolyte outlet 7, electrolyte outlet 7 is communicated with circulation of elecrolyte case by pipeline, high pressure spray shower pipe 4 connects circulating-pump outlet by pipeline, pump entry is communicated with circulation of elecrolyte case, it is characterized in that: described electrolyzer 4 and in battery lead plate 5, high pressure spray shower pipe 4 and the sinking roller 6 established be that two covers are arranged side by side above; Electrolyzer 4 tops that are arranged side by side more than two covers arrange holistic ramp pan 10, are provided with deflector roll 3 in ramp pan 10, and ramp pan 10 front and back ends are provided with band steel entrance 11 and band steel exports 1, and the top of ramp pan 10 is provided with steam outlet 12; Battery lead plates 5 in the above electrolyzer 4 being arranged side by side of described two cover arrange respectively according to two kinds of the battery lead plates of positive-negative polarity, and in establish negative el electrolyzer be positioned at all electrolyzers rearmost position being arranged side by side; With steel 8, pass through the band steel entrance 11 of ramp pan 10, through deflector roll 3, enter electrolyzer 9, then by turning to again by opposite side battery lead plate through sinking roller 6 after a lateral electrode plate, upwards enter ramp pan, in deflector roll 3 enter the next electrolyzer being arranged side by side again, until exported by the band steel exports 1 of ramp pan 10, complete electrolytic cleaning task after last electrolyzer.
The described electrolyzer being arranged side by side 9 and in battery lead plate 5, high pressure spray shower pipe 4 and the sinking roller 6 established be three covers, wherein the battery lead plate 5 in the first two cover connects positive source, is anode electrode plate, rear battery lead plate 5 in a set of connects power cathode, is negative el.
For making to be with steel dry before ramp pan band steel exports, before the interior band steel exports 1 of ramp pan 10, be provided with squeezing roller 2.
Referring to accompanying drawing 1:1, it is band steel exports, 11 is band steel entrance, 2 is squeezing roller, effect is to extract with the liquid on steel, 3 is deflector roll, totally six groups, by turning to, by proceeding to steel, in the battery lead plate in electrolyzer, carry out electrolytic cleaning, 4 is high pressure spray shower pipe, electrolytic cleaning solution is sprayed in electrolyzer with the pressure of 1.2Mp and is with on steel, 5 is battery lead plate, the polarity of battery lead plate represents by sign symbol, the first two battery lead plate connects just (sun) utmost point of power supply, a rear battery lead plate connects power-(the moon) utmost point, 8 is band steel, 6 is sinking roller, be submerged in electrolytic solution, play the effect turning to steel simultaneously, 7 is electrolyte outlet, electrolytic solution is got back to and by recycle pump, is again pumped into high pressure spray shower pipe after circulating box and recycle, position that simultaneously can be certain on electrolyzer has overflow port, and be switched in circulating box, make electrolysis liquid surface in electrolyzer, keep certain height, 9 is electrolyzer, by rolling hitch structure, formed, 10 is ramp pan, it is an one-piece construction, 12 is steam outlet, because electrolyte temperature is 80 ℃ of left and right, add the band steel of high-speed cruising, constantly producing steam is discharged by steam outlet 12, after collecting, carry out purifying treatment.
Claims (3)
1. a cold-strip steel high-speed Cleaning Line electrolytic clean unit, comprise electrolyzer (9), in electrolyzer (9), be provided with battery lead plate (5), high pressure spray shower pipe (4) and sinking roller (6), electrolyzer (9) bottom is provided with electrolyte outlet (7), electrolyte outlet (7) is communicated with circulation of elecrolyte case by pipeline, high pressure spray shower pipe (4) connects circulating-pump outlet by pipeline, pump entry is communicated with circulation of elecrolyte case, it is characterized in that: described electrolyzer (4) and in the battery lead plate (5) established, high pressure spray shower pipe (4) and sinking roller (6) are that two covers are arranged side by side above, electrolyzer (4) top being arranged side by side more than two covers arranges holistic ramp pan (10), in ramp pan (10), be provided with deflector roll (3), ramp pan (10) front and back end is provided with band steel entrance (11) and band steel exports (1), and the top of ramp pan (10) is provided with steam outlet (12), battery lead plates (5) in the above electrolyzer (4) being arranged side by side of described two cover arrange respectively according to two kinds of the battery lead plates of positive-negative polarity, and in establish negative el electrolyzer be positioned at all electrolyzers rearmost position being arranged side by side, band steel (8) is by the band steel entrance (11) of ramp pan (10), through deflector roll (3), enter electrolyzer (9) downwards, then by turning to again by opposite side battery lead plate through sinking roller (6) after a lateral electrode plate, upwards enter ramp pan (10), in deflector roll (3) enter the next electrolyzer being arranged side by side again, until exported by the band steel exports (1) of ramp pan (10), complete electrolytic cleaning task after last electrolyzer.
2. cold-strip steel high-speed Cleaning Line electrolytic clean unit according to claim 1, it is characterized in that: the described electrolyzer being arranged side by side (9) and in battery lead plate (5), high pressure spray shower pipe (4) and the sinking roller (6) established be three covers, wherein the battery lead plate (5) in the first two cover connects positive source, for anode electrode plate, rear a set of interior battery lead plate (5) connects power cathode, is negative el.
3. cold-strip steel high-speed Cleaning Line electrolytic clean unit according to claim 1 and 2, is characterized in that: the front squeezing roller (2) that is provided with of band steel exports (1) in ramp pan (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320269372.5U CN203583001U (en) | 2013-05-15 | 2013-05-15 | Electrolysis cleaning device of cold-rolled strip steel high-speed cleaning line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320269372.5U CN203583001U (en) | 2013-05-15 | 2013-05-15 | Electrolysis cleaning device of cold-rolled strip steel high-speed cleaning line |
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| Publication Number | Publication Date |
|---|---|
| CN203583001U true CN203583001U (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320269372.5U Expired - Fee Related CN203583001U (en) | 2013-05-15 | 2013-05-15 | Electrolysis cleaning device of cold-rolled strip steel high-speed cleaning line |
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| CN (1) | CN203583001U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104831342A (en) * | 2015-05-15 | 2015-08-12 | 江苏科技大学 | Electrode device for cleaning galvanized cold rolled sheet steel |
-
2013
- 2013-05-15 CN CN201320269372.5U patent/CN203583001U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104831342A (en) * | 2015-05-15 | 2015-08-12 | 江苏科技大学 | Electrode device for cleaning galvanized cold rolled sheet steel |
| CN104831342B (en) * | 2015-05-15 | 2017-07-14 | 江苏科技大学 | A kind of electrode assembly for cleaning zinc-plated cold-reduced sheet |
| CN107142515A (en) * | 2015-05-15 | 2017-09-08 | 江苏科技大学 | A kind of electrode assembly for cleaning zinc-plated cold-reduced sheet |
| CN107142515B (en) * | 2015-05-15 | 2019-02-12 | 江苏科技大学 | A kind of electrode assembly cleaning zinc-plated cold-reduced sheet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20160515 |