CN204727955U - A kind of silicon steel sheet belt surface washing unit of improvement - Google Patents
A kind of silicon steel sheet belt surface washing unit of improvement Download PDFInfo
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- CN204727955U CN204727955U CN201520406325.XU CN201520406325U CN204727955U CN 204727955 U CN204727955 U CN 204727955U CN 201520406325 U CN201520406325 U CN 201520406325U CN 204727955 U CN204727955 U CN 204727955U
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Abstract
The utility model discloses a kind of silicon steel sheet belt surface washing unit of improvement, its object is to provide a kind of can effectively avoid alkali to embathe liquid level floater being brought into alkali and scrubbing the spray nozzle clogging that groove causes, avoiding high-speed cruising band steel alkali lye in electrolytic cleaning tank to be brought into water, to scrub the silicon steel sheet belt surface cleaning quality that groove causes poor, and the washing unit of inconvenience that water rinse groove outlet side spilling water brings to maintenance of the equipment and site safety environment, the utility model washing unit comprises the alkali soaker connected successively, alkali scrubs groove, electrolytic cleaning tank, water scrubs groove, water logging washing trough, water rinse groove and the recycle system supporting with it and magnetic filter system, it is characterized in that: the up region of band steel, described alkali soaker chamber exit side is provided with a pair nozzle.
Description
Technical field
The utility model relates to silicon steel production technical field, the silicon steel sheet belt surface washing unit of particularly a kind of improvement.
Background technology
Before silicon steel sheet band enters continuous annealing furnace, the pollutent such as emulsion, ROLLING OIL, slushing oil, iron powder, dust of steel strip surface attachment must be eliminated totally, otherwise overlaps the work-ing life of roller by having a strong impact on carbon in the quality of silicon steel finished product and stove.
At present, typical silicon steel sheet belt surface washing unit as shown in Figure 1, but in cleaning process, steel band due to high-speed cruising exists brings alkali lye in electrolytic cleaning tank into phenomenon that follow-up water scrubs groove with the form of liquid film, cause water to be scrubbed in groove and there is a small amount of alkali lye, cause steel strip surface cleaning quality poor.In addition, liquid level floater in alkali soaker also can be brought into alkali and scrub groove and cause alkali to scrub spray nozzle clogging and water rinse groove outlet side has the phenomenons such as water spilling by the steel band of high-speed cruising, brings inconvenience to maintenance of the equipment and site safety environment.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of silicon steel sheet belt surface washing unit of improvement, in actual production process, effectively can isolate alkali lye in electrolytic cleaning tank to seal in water and scrub in groove, ensure steel strip surface cleaning quality, avoid floating matter to block alkali simultaneously and scrub the phenomenon that nozzle slot and rinse water overflow from water rinse groove outlet side.
For reaching above-mentioned purpose, the silicon steel sheet belt surface washing unit of a kind of improvement of the utility model, comprise that the alkali soaker, the alkali that connect successively scrub groove, electrolytic cleaning tank, water scrub groove, water logging washing trough, water rinse groove and the recycle system supporting with it and magnetic filter system, the up region of band steel, described alkali soaker chamber exit side is provided with a pair nozzle.
Wherein said electrolytic cleaning tank and described water are scrubbed between groove and are provided with two pairs of squeezing rollers.
Wherein said water rinse groove outlet side is provided with one and catchments inclined ramp.
The long 800-1200mm of the wherein said inclined ramp that catchments.
The utility model difference from prior art is that the utility model achieves following technique effect:
The liquid level floater that band steel carries out in up process is removed clean by the alkali lye of nozzle ejection newly-increased in alkali soaker by the utility model, avoid floating matter to bring alkali into scrub groove and cause spray nozzle clogging, pressure electrolytic cleaning tank and water scrub newly-increased two pairs of squeezing rollers between groove simultaneously, avoiding high-speed cruising band steel alkali lye in electrolytic cleaning tank to be brought into water, to scrub the silicon steel sheet belt surface cleaning quality that groove causes poor, increasing the long inclined ramp that catchments of 800-1200mm newly additionally by water rinse groove outlet side is collected in the recycle system by the water that high-speed cruising band steel is taken out of in water rinse groove, avoid the inconvenience that water rinse groove outlet side spilling water brings to maintenance of the equipment and site safety environment.
Adopting the utility model device and carry out cleaning can by every face resid amount and residual ferrous powder amount respectively up to 400mg/m
2, 150mg/m
2belt steel surface clean resid amount and residual ferrous powder amount is respectively 10mg/m
2and 5mg/m
2and below.
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the silicon steel sheet belt surface washing unit before improving.
Fig. 2 is the silicon steel sheet belt surface washing unit after improving.
Description of reference numerals: 1-alkali soaker, 2-alkali scrubs groove, 3-electrolytic cleaning tank, 4-battery lead plate, 5-water scrubs groove, 6-water logging washing trough, 7-water rinse groove, 8-steel band, 9-alkali scrubs recycle pump, 10-alkali embathes recycle pump, 11-electrolytic cleaning recycle pump, 12-water scrubs recycle pump, recycle pump is washed in 13-water logging, 14-secondary water rinse recycle pump, 15-one-level water rinse recycle pump, 16-alkali cleaning circulation tank, 17-electrolysis cycle tank, 18-water brush circulation tank, 19-water drift circulation tank, 20-1# magnetic filter recycle pump, 21-2# magnetic filter recycle pump, 22-1# magnetic filter, 23-2# magnetic filter, 24-nozzle, 25-squeezing roller, 26-catchments inclined ramp.
Embodiment
Below in conjunction with drawings and Examples, to above-mentioned being described in more detail with other technical characteristic and advantage of the utility model.
The silicon steel sheet belt surface washing unit of a kind of improvement of the utility model, comprise the alkali soaker 1 connected successively, alkali scrubs groove 2, electrolytic cleaning tank 3, water scrubs groove 4, water logging washing trough 5, water rinse groove 6, and the supporting recycle system (comprises alkali and scrubs recycle pump 9 with it, alkali embathes recycle pump 10, electrolytic cleaning recycle pump 11, water scrubs recycle pump 12, recycle pump 13 is washed in water logging, secondary water rinse recycle pump 14, one-level water rinse recycle pump 15, alkali cleaning circulation tank 16, electrolysis cycle tank 17, water brush circulation tank 18 and water drift circulation tank 19) and magnetic filter system (1# magnetic filter recycle pump 20, 2# magnetic filter recycle pump 21, 1# magnetic filter 22 and 2# magnetic filter 23), the up region of band steel, alkali soaker 1 chamber exit side comprises a pair newly-increased nozzle 24, electrolytic cleaning tank 3 and water are scrubbed between groove 4 and are comprised two to newly-increased squeezing roller 25, water rinse groove 6 outlet side also comprises the long inclined ramp 26 that catchments of a newly-increased 800-1200mm.
The utility model also provides a kind of method using the silicon steel sheet belt surface washing unit of improvement to clean silicon steel sheet belt surface, comprises the following steps:
1) alkali soaker inner chamber up band steel region increases nozzle newly, alkali scrubs groove inner nozzle, water scrubs groove inner nozzle angle to correct position in adjustment;
2) utilized by alkali liquid temperature and water temp. heating in line outer circulation tank to 70-90 DEG C by steam heating or fume afterheat, and to maintain concentration of lye be 1-5%;
3) recycle pump corresponding to 1#, 2# magnetic filter is started; Alkali embathes, alkali is scrubbed, electrolytic cleaning, water are scrubbed, water logging is washed, water rinse recycle pump in startup; Startup alkali scrubs groove, water is scrubbed in groove and amounted to 8 brush rolls; Start electrolytic cleaning electrolytic rectifier;
4) steel is with to enter in alkali soaker, be immersed in alkali lye, surface activation process is carried out to it, remove the part compared with easy-clear in belt steel surface amount of grease and iron powder, dust by the saponification of alkali lye and emulsifying effect, and the liquid level floater relying on newly-increased nozzle to be carried by belt steel surface in up region is removed clean; Scrubbing in groove at alkali adopts to while belt steel surface inject high pressure alkali lye, in addition 4 brush rolls method of scrubbing, and apply External Force Acting to the part of more difficult removing in the grease of belt steel surface and iron powder, dust, the approach being stirred power by machinery is removed; In electrolytic cleaning tank, direct current is led to by the paired electrode plate arranged band steel both sides, band steel is among electric field and produces electric charge contrary with battery lead plate on polarized action band, in the electrolytic solution, band steel and battery lead plate form galvanic cell generation electrolytic reaction, belt steel surface can alternately produce tiny hydrogen and oxygen bubble, floats up to alkali lye liquid level along with bubble disengagement belt steel surface, pollutent in belt steel surface microcosmic gap also release band steel thereupon; At newly-increased 2 pairs of squeezing roller places, thoroughly extract by the effect of extracting of squeezing roller the alkali lye that belt steel surface carries, prevent alkali lye to be brought into water and scrub in groove; Scrub in groove at water, the machinery applied by high-pressure water jet and 4 brush rolls stirs power, and the pollutant removal not peeling off belt steel surface in the alkali stain remained by belt steel surface and electrolytic cleaning process is completely clean; In water logging washing trough and water rinse groove, completed the final cleaning of belt steel surface by the water quality increased progressively step by step, avoid the generation secondary pollution of band steel in whole cleaning process, and ensure that the cleaning quality of band steel meets processing requirement; At water rinse groove outlet side, the rinse water carried out by the newly-increased inclined ramp collection high-speed cruising band steel that catchments, to ensure that washing unit surrounding enviroment meet field management requirement.
During production, by the alkali lye of nozzle ejection newly-increased in alkali soaker, the liquid level floater that band steel carries out in up process is removed clean, avoid floating matter to bring alkali into scrub groove and cause spray nozzle clogging, pressure electrolytic cleaning tank and water scrub newly-increased 2 pairs of squeezing rollers between groove simultaneously, avoiding high-speed cruising band steel alkali lye in electrolytic cleaning tank to be brought into water, to scrub the silicon steel sheet belt surface cleaning quality that groove causes poor, increasing the long inclined ramp that catchments of 800-1200mm newly additionally by water rinse groove outlet side is collected in the recycle system by the water that high-speed cruising band steel is taken out of in water rinse groove, avoid the inconvenience that water rinse groove outlet side spilling water brings to maintenance of the equipment and site safety environment.
Embodiment 1
Adopt the typical case of the silicon steel sheet belt surface washing unit after improving Controlling Technology as shown in table 1:
Table 1 silicon steel sheet belt surface washing unit typical case Controlling Technology
| Sequence number | Project | Unit | Reference process plan parameter |
| 1 | Alkali lye and water temp | ℃ | 70-90 |
| 2 | Alkali embathes specific conductivity | ms/cm | 20±5 |
| 3 | Alkali scrubs specific conductivity | ms/cm | 20±5 |
| 4 | Alkali scrubs brush roll electric current | A | 20±5 |
| 5 | Electrolytic cleaning specific conductivity | ms/cm | 30±5 |
| 6 | Electrolytic cleaning current density | C/dm 2 | 4.5±1 |
| 7 | The electrolytic cleaning electrode replacement cycle | min | 20-40 |
| 8 | Water scrubs specific conductivity | us/cm | 200±100 |
| 9 | Water scrubs brush roll electric current | A | 15±5 |
| 10 | Water rinse hydraulic pressure | MPa | 0.45 |
| 11 | De-mineralized water continues to supplement flow | m 3/h | 3-5 |
After adopting the silicon steel sheet belt surface washing unit and cleaning improved, belt steel surface degree of cleaning are as shown in table 2.
Table 2 adopts the utility model washing unit and technique front and back band steel surface cleaning effect comparison table
| Sequence number | Project | Unit | Before cleaning | After cleaning |
| 1 | Every face resid amount | mg/m 2 | 0-400 | 0-10 |
| 2 | Every face residual ferrous powder amount | mg/m 2 | 0-150 | 0-5 |
According to above embodiment, can find out, the utility model improves silicon steel sheet belt surface cleaning quality, ensures into furnace zone steel surface cleaning, is conducive to reducing furnace roller dross probability, avoids the impact on washing unit peripheral equipment and security context.
Above-described embodiment is only be described preferred implementation of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection domain that the utility model claims determine.
Claims (4)
1. the silicon steel sheet belt surface washing unit improved, comprise that the alkali soaker, the alkali that connect successively scrub groove, electrolytic cleaning tank, water scrub groove, water logging washing trough, water rinse groove and the recycle system supporting with it and magnetic filter system, it is characterized in that: the up region of band steel, described alkali soaker chamber exit side is provided with a pair nozzle.
2. the silicon steel sheet belt surface washing unit of improvement according to claim 1, is characterized in that: described electrolytic cleaning tank and described water are scrubbed between groove and is provided with two pairs of squeezing rollers.
3. the silicon steel sheet belt surface washing unit of improvement according to claim 1, is characterized in that: described water rinse groove outlet side is provided with one and catchments inclined ramp.
4. the silicon steel sheet belt surface washing unit of improvement according to claim 3, is characterized in that: described in catchment the long 800-1200mm of inclined ramp.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520406325.XU CN204727955U (en) | 2015-06-12 | 2015-06-12 | A kind of silicon steel sheet belt surface washing unit of improvement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520406325.XU CN204727955U (en) | 2015-06-12 | 2015-06-12 | A kind of silicon steel sheet belt surface washing unit of improvement |
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| CN204727955U true CN204727955U (en) | 2015-10-28 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104962942A (en) * | 2015-06-12 | 2015-10-07 | 内蒙古包钢钢联股份有限公司 | Improved silicon steel plate belt surface cleaning device and cleaning method |
| CN106978604A (en) * | 2017-05-31 | 2017-07-25 | 中山市捷信科技服务有限公司 | A kind of low loss and high strength silicon steel pickling device |
| CN117947493A (en) * | 2024-03-22 | 2024-04-30 | 江苏沙钢钢铁有限公司 | Electrolytic cleaning device and cleaning method for surface of non-oriented silicon steel strip steel |
-
2015
- 2015-06-12 CN CN201520406325.XU patent/CN204727955U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104962942A (en) * | 2015-06-12 | 2015-10-07 | 内蒙古包钢钢联股份有限公司 | Improved silicon steel plate belt surface cleaning device and cleaning method |
| CN106978604A (en) * | 2017-05-31 | 2017-07-25 | 中山市捷信科技服务有限公司 | A kind of low loss and high strength silicon steel pickling device |
| CN117947493A (en) * | 2024-03-22 | 2024-04-30 | 江苏沙钢钢铁有限公司 | Electrolytic cleaning device and cleaning method for surface of non-oriented silicon steel strip steel |
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