CN106319549B - A kind of alkali wash water is in wire casing - Google Patents
A kind of alkali wash water is in wire casing Download PDFInfo
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- CN106319549B CN106319549B CN201510349556.6A CN201510349556A CN106319549B CN 106319549 B CN106319549 B CN 106319549B CN 201510349556 A CN201510349556 A CN 201510349556A CN 106319549 B CN106319549 B CN 106319549B
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- groove body
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- wash water
- wire casing
- alkali wash
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Abstract
The invention discloses a kind of alkali wash waters in wire casing comprising groove body, the groove body bottom are equipped with submergence roller；In addition, the alkali wash water further includes in wire casing：Overflow pipe, one end are connected to the groove body, and the other end is connected to offline slot；Return duct, first end are connect with the overflow pipe, and second end is connected to the bottom of the groove body；Wherein, the rotation of the submergence roller is so that the liquid in return duct flows to second end from the first end, and continues towards to form vortex in the groove body, and then enters overflow pipe after driving the deposit of groove body bottom to be rushed.Alkali wash water of the present invention can advantageously avoid deposition of foreign material in wire casing in wire casing, to improve the clean-up performance of alkali wash water, on the one hand reduce the consumption of alkali wash water, on the other hand improve the cleaning quality of strip in cold rolling post-processing tinuous production.
Description
Technical field
The present invention relates to a kind of processing unit of liquid more particularly to a kind of cleaning devices of liquid.
Background technology
Since the cleaning of belt steel surface is the important link in strip production, surface clean quality will have a direct impact on strip
Quality.On the one hand the link is the greasy dirt for washing surface of steel plate, be on the other hand the dust and iron rust for washing surface of steel plate,
In favor of the surface treatment of the strip in subsequent production technical process.For this purpose, the cold rolling post-processing in cold rolling production field is continuous
The cleaning solution to such as alkali wash water (alkali liquor) can be used in production line.Impurity in alkali wash water is mainly from strip
The suspended matters such as grease, metallic dust and iron scale particle that surface clean is got off are bonded together and form iron oil mixture,
When its concentration reaches a certain level, it will influence the cleaning quality of alkali wash water, thus the iron oil in alkali wash water must be mixed
Object removes, and to improve the clean-up performance of alkali wash water, so that alkali wash water is recycled, and then reduces disappearing for alkali wash water
Consumption.
Alkali wash water is in the important equipment that wire casing is unit cleaning section, wherein the clean-up performance of alkali wash water is directly related to band
The cleaning quality of steel.Fig. 1 show alkali wash water in the prior art wire casing structure.As shown in Figure 1, the iron oil in alkali wash water
Mixture a can be piled up at the slot bottom gap of wire casing 1, could only be discharged it in wire casing by blow-off pipe in maintenance
Outside 1, cause the clean-up performance of the alkali wash water in wire casing too low, to influence the cleaning quality of strip.
For this purpose, being directed to the existing deficiency in wire casing, it is desirable to be able to which sludge can be effectively prevented by obtaining a kind of technical solution
Or the deposition of foreign material such as iron oil mixture especially avoid deposition of foreign material at the slot bottom gap in wire casing in wire casing, to
The cleannes of alkali in groove washing lotion are improved, and then reduce the input amount of alkali wash water, and further improve the cleaning quality of strip.
Invention content
The purpose of the present invention is to provide a kind of alkali wash waters in wire casing.Alkali wash water of the present invention can be advantageous in wire casing
Ground avoids deposition of foreign material in wire casing, to improve the clean-up performance of alkali wash water, on the one hand reduce the consumption of alkali wash water, separately
On the one hand the cleaning quality of strip is improved.
To achieve the goals above, the present invention proposes a kind of alkali wash water in wire casing comprising groove body, the groove body bottom are set
There is submergence roller；In addition, the alkali wash water further includes in wire casing：
Overflow pipe, one end are connected to groove body, and the other end is connected to offline slot；
Return duct, first end are connect with overflow pipe, and second end is connected to the bottom of groove body；
Wherein, the rotation of submergence roller is so that the liquid in return duct flows to second end from first end, and continues towards groove body
It is interior to be vortexed with being formed, and then enter overflow pipe after driving the deposit of groove body bottom to be rushed.
Based on technical scheme of the present invention, the liquid level rising in the groove body for accepting alkali wash water can be walked with process
Rapid lasting progress and constantly rise, floating on the smaller dirt of the quality such as foam and the suspended matter on liquid level surface can be via
Overflow pipe flows to offline slot and is discharged in outside wire casing, the larger dirt of quality (for example, sludge or iron oil mixture) can under
It is sink to groove body bottom.Under the drive that the submergence roller of groove body bottom rotates, the liquid in return duct can flow to the from first end
Two ends, and additional difference pressure is generated between first end and second end of the return duct in its short transverse, the additional difference pressure
So that the liquid by return duct has certain speed, should be continued towards in groove body with the liquid of certain speed to form whirlpool
Stream, the deposit to be deposited on groove body bottom rushs, the deposit after having been rushed and liquid level improve quality smaller foam or
The dirt of suspended matter flows to offline slot finally by overflow pipe and is discharged in outside wire casing.
In the above-mentioned technical solutions, one end of overflow pipe is connected to groove body, and the other end is then connected to offline slot, return duct
First end connect with overflow pipe, second end is then connected to the bottom of groove body, and under the action of additional difference pressure, liquid can shape
At circulating for return duct-groove body-overflow pipe-return duct, so that recycle stream of the deposit of groove body bottom with liquid
It moves and is rushed, is then carried in outside wire casing together with other dirts for floating on liquid level.
Further, it is additionally provided with spray equipment in above-mentioned groove body in wire casing in alkali wash water of the present invention, with to slot
Internal strip ejecting liquid.
Strip is constantly advanced under the drive of submergence roller, is set to spray equipment in groove body to belt steel surface spray liquid
Body so that the liquid continuous rising in the groove body of wire casing.When the port that the highest liquid level of liquid is connected to overflow pipe with groove body
When maintaining an equal level, floating on the smaller dirt of quality on liquid level surface will leave via overflow pipe in wire casing.
Further, in alkali wash water of the present invention in wire casing, the inside radius r of above-mentioned return duct is：
Wherein, PnFor the necessary impact flow for having rushed the deposit of groove body bottom, unit m3/s；VsIt is transported for strip
Scanning frequency degree, unit m/s；The unit of r is m.In the technical scheme, necessary impact flow P can be led tonValue be that can lead to
Cross what experiment measured, and strip speed VsIt is then known Field Production Data.
The above-mentioned return duct with suitable inside radius r can further ensure the liquid of return duct with speed appropriate after
Afterflow forms vortex into groove body, so passed through after driving the deposit of groove body bottom rush be carried over by overflow pipe in
Outside wire casing.
Further, in alkali wash water of the present invention in wire casing, the inside radius r of above-mentioned overflow pipeyFor：
Wherein, PnFor the necessary impact flow for having rushed the deposit of groove body bottom, unit m3/s；VsIt is transported for strip
Scanning frequency degree, unit m/s；PpFor the necessary spray flux in the spray equipment unit interval, unit m3/s；Pp=PeVs, Pe
It is unit length strip for the waste of alkali wash water, unit m3/ m is known quantity；ryUnit be m.
Further, in alkali wash water of the present invention in wire casing, above-mentioned overflow pipe bottom level h is：
H=δdhy
Wherein, hyIndicate necessary submergence of the strip in groove body, unit m；VsFor
Strip speed, unit m/s；teIndicate the necessary scavenging period of the strip of unit length, unit s, for
The amount of knowing；RrIndicate the radius of submergence roller, unit m is known quantity；δdFor the nargin coefficient of groove body bottom, takeIt can choose according to the needs of production scene in the range of restriction.
Further, in alkali wash water of the present invention in wire casing, the width W of above-mentioned groove bodycFor：
Wc=2Rrδw
Wherein, WcUnit be m；RrIndicate the radius of submergence roller, unit m；δwFor the width design parameter of groove body,
Take 1 < δw< 2 can choose according to the needs of production scene in the range of restriction.
Further, in alkali wash water of the present invention in wire casing, the length L of above-mentioned groove bodycFor：
Lc=LrδL
Wherein, LcUnit be m；LrFor submergence roller length, unit m is known quantity；δLIt is set for the length of groove body
Parameter is counted, 1 < δ are takenL< 1.5 can choose according to the needs of production scene in the range of restriction.
Alkali wash water of the present invention under the premise of being not provided with extra power device, only passes through setting return duct in wire casing
To form vortex in groove body, it is deposited in wire casing to efficiently avoid the larger dirt of quality (for example, iron oil mixture)
Groove body bottom, enable deposit be able to promptly leave in wire casing, to be lifted at the cleannes of the alkali wash water in wire casing, in turn
The consumption for not only significantly saving alkali wash water, also improves the cleaning quality of belt steel surface.
In addition, alkali wash water of the present invention is simple in the structure of wire casing, it is convenient for the transformation of process for producing line.
In addition, alkali wash water of the present invention is in the applied widely of wire casing, it can be used to various production lines, for example,
Cold rolling post-processes tinuous production.
Description of the drawings
Fig. 1 is structural schematic diagram of the alkali wash water in the prior art in wire casing.
Fig. 2 is a kind of structural schematic diagram of the alkali wash water of the present invention in wire casing under embodiment.
Specific implementation mode
Alkali wash water of the present invention is done in wire casing into one below in conjunction with description of the drawings and specific embodiment
The explanation of step, but the explanation does not constitute the improper restriction to technical scheme of the present invention.
Fig. 2 shows a kind of structure of the alkali wash water of the present invention in wire casing under embodiment.
As shown in Fig. 2, under the above embodiment, which includes groove body 11 in wire casing, is provided in groove body bottom
Submergence roller 12, alkali wash water are provided with overflow pipe 13 at the one side wall of wire casing, and one end is connected to groove body 11, and the other end then connects
Be connected to offline slot (being not shown in Fig. 2), the first end of return duct 14 is connected to overflow pipe 13, second end then with groove body 11
Bottom is connected to, and spray equipment 15 is provided in groove body 11 with the strip b ejecting liquids c (for example, alkali wash water) into groove body 11,
In, under the drive that the submergence roller 12 for being set to 11 lower part of groove body rotates so that the liquid in return duct 14 is flowed to from first end
Second end, and additional difference pressure is generated between first end and second end of the return duct on its short transverse X, it enables by reflux
The liquid of pipe 14 has certain speed, should continue towards in groove body 11 with the liquid of certain speed and is vortexed with being formed, to
The deposit d for being deposited on groove body bottom is rushed, the deposit d after having been rushed is mixed with the lighter foam or suspended matter on liquid level
Afterwards, it is finally discharged in outside wire casing via overflow pipe 13.
In order to obtain the higher liquid of cleannes, can for the above embodiment under alkali wash water wire casing slot
The relevant parameter of body, overflow pipe and return duct is designed, specific as follows：
1) the inside radius r of return duct is：Wherein, PnFor the necessary punching for having rushed the deposit of groove body bottom
Hit flow, unit m3/s；VsFor strip speed, unit m/s；The unit of r is m.
2) the inside radius r of overflow pipeyFor：Wherein, PnFor what the deposit of groove body bottom had been rushed
Necessity impact flow, unit m3/s；VsFor strip speed, unit m/s；PpFor in the spray equipment unit interval
Necessary spray flux, unit m3/s；Pp=PeVs, PeIt is unit length strip for the waste of alkali wash water, unit is
m3/m；ryUnit be m.
3) overflow pipe bottom level h is (from figure 2 it can be seen that the overflow pipe bottom level in the technical program refers to
The bottom of overflow pipe 13 is away from the distance between 11 bottom surface of groove body)：H=δdhy, wherein hyIndicate necessary leaching of the strip in groove body
Ning depth, (as can be seen from Figure 2 necessary submergence of the strip in groove body refers to the bottom of submergence roller 12 away from overflow pipe 13
Bottom distance), unit m；VsFor strip speed, unit m/s；teIt indicates
The necessary scavenging period of the strip of unit length, unit s；RrIndicate the radius of submergence roller, unit m；δdFor groove body bottom
The nargin coefficient in portion, takes
4) the width W of groove bodycFor：Wc=2Rrδw, wherein WcUnit be m；RrIndicate that the radius of submergence roller, unit are
m；δwFor the width design parameter of groove body, 1 < δ are takenw< 2.
5) the length L of groove bodycFor：Lc=LrδL, wherein LcUnit be m；LrFor submergence roller length, unit m；δL
For the length design parameter of groove body, 1 < δ are takenL< 1.5.
The alkali wash water for post-processing tinuous production cleaning section with a cold rolling below illustrates above-mentioned implementation in wire casing example
Example：
Collect the relevant parameter of field device：Strip speed VsFor 4m/s, unit length strip is for alkali wash water
Waste PeFor 0.01m3/ m, the radius R of submergence rollerrFor 0.4m, the necessary scavenging period t of the strip of unit lengtheFor 0.7s,
Submergence roller length LrDensity p for 1.5m, alkali wash water is 1000kg/m3.In addition, according to production scene situation, given design parameter
Respectively：The nargin coefficient δ of groove body bottomdIt is 1.4, the width design parameter δ of groove bodywIt is 1.63, the length design parameter of groove body
δLIt is 1.33；
Based on this, can obtain：
The width W of groove bodyc=2Rrδw=2*0.4*1.63=1.304m ≈ 1.3m；
The length L of groove bodyc=LrδL=1.5*1.33=1.995m ≈ 2.0m.
It can be measured by experiment to determine that necessity that the deposit of groove body bottom has rushed impacts flow Pn：For above-mentioned slot
Body, groove body bottom equably deposit the foreign matter that accumulating amount is Y (it is the known parameter directly obtained according to field condition) come
It says, fills alkali wash water in groove body first, with flow be respectively then P1、P2、P3……Pk(k=1,2,3,4 ... alkali k)
Washing lotion flow a length of t when being carried out with level angle to the foreign matter of groove body bottome(the necessary scavenging period of the strip of unit length),
The mixed fluid sample 100ml for extracting groove body bottom by circulating pump immediately after the completion of impact is observed visible in mixing liquid
The content of particulate matter, the case where being visible by naked eyes particulate matter with artificial observation, are considered as groove body bottom foreign matter and are rushed completely, will
Enough minimum discharge P for having rushed the foreign matter that accumulating amount is Y completelyk(min)It is set as the necessary punching that the deposit of groove body bottom has rushed
Hit flow Pn.In this example, the deposit of Y 1.235kg, the groove body bottom measured thus in accordance with above-mentioned experimental method rush
Necessary impact flow PnFor 0.0057m3/s。
It is possible thereby to determine the inside radius of return duct
According to the necessary spray flux P in the spray equipment unit intervalp=PeVs=0.01*4=0.04m3/ s can be obtained
The inside radius r of overflow pipey：
In addition, the necessary submergence according to strip in groove body
It can determine the height h=δ of overflow pipedhy=1.4*1.17=1.638 ≈ 1.6m.
The design parameter of groove body, overflow pipe and return duct can be determined in the example as a result,.
Compared in the prior art in wire casing, alkali wash water of the present invention is dexterously utilized in wire casing in wire casing
Return duct-groove body-overflow pipe-return duct of formation circulates so that be deposited on groove body bottom deposit rushed after
As the smaller dirt of quality is discharged together via overflow pipe in outside wire casing, thus solves foreign matter in the prior art
The cleannes for not only improving cycle alkali wash water the problem of the groove body bottom of wire casing is not easy to be discharged are deposited on, band is improved
The cleaning quality of steel also saves the input amount of alkali wash water, and economic benefit is created for enterprise.
It should be noted that the above description of disclosed embodiment enables professional and technical personnel in the field apparent
Ground carries out a variety of similar change and modification for the present embodiment, and this similar variation is that those skilled in the art can be from public affairs of the invention
The content opened immediately arrives at or is easy to all deformations just associated, and is within the scope of protection of the invention.Therefore originally
Invention will not be limited by the embodiment.
Claims (7)
1. a kind of alkali wash water is in wire casing comprising groove body, the groove body bottom are equipped with submergence roller；It is characterized in that, the alkali wash water
Further include in wire casing：
Overflow pipe, one end are connected to the groove body, and the other end is connected to offline slot；
Return duct, first end are connect with the overflow pipe, and second end is connected to the bottom of the groove body；
Wherein, the rotation of the submergence roller is so that the liquid in return duct flows to second end from the first end, and continues towards
To form vortex in the groove body, and then enter overflow pipe after driving the deposit of groove body bottom to be rushed.
2. alkali wash water as described in claim 1 is in wire casing, which is characterized in that be additionally provided with spray equipment in the groove body, with to
Strip ejecting liquid in groove body.
3. alkali wash water as claimed in claim 1 or 2 is in wire casing, which is characterized in that the inside radius r of the return duct is：
Wherein, PnFor the necessary impact flow for having rushed the deposit of groove body bottom, unit m3/s；VsSpeed is run for strip
Degree, unit m/s；The unit of r is m.
4. alkali wash water as claimed in claim 2 is in wire casing, which is characterized in that the inside radius r of the overflow pipeyFor：
Wherein, PnFor the necessary impact flow for having rushed the deposit of groove body bottom, unit m3/s；VsSpeed is run for strip
Degree, unit m/s；PpFor the necessary spray flux in the spray equipment unit interval, unit m3/s；Pp=PeVs, Pe
It is unit length strip for the waste of alkali wash water, unit m3/m；ryUnit be m.
5. alkali wash water as claimed in claim 4 is in wire casing, which is characterized in that the overflow pipe bottom level h is：
H=δdhy
Wherein, hyIndicate necessary submergence of the strip in groove body, unit m；VsFor strip
The speed of service, unit m/s；teIndicate the necessary scavenging period of the strip of unit length, unit s；RrIndicate submergence roller
Radius, unit m；δdFor the nargin coefficient of groove body bottom, take
6. alkali wash water as described in claim 1 is in wire casing, which is characterized in that the width W of the groove bodycFor：
Wc=2Rrδw
Wherein, WcUnit be m；RrIndicate the radius of submergence roller, unit m；δwFor the width design parameter of groove body, 1 < is taken
δw< 2.
7. alkali wash water as described in claim 1 is in wire casing, which is characterized in that the length L of the groove bodycFor：
Lc=LrδL
Wherein, LcUnit be m；LrFor submergence roller length, unit m；δLFor the length design parameter of groove body, 1 < δ are takenL<
1.5。
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510349556.6A CN106319549B (en) | 2015-06-19 | 2015-06-19 | A kind of alkali wash water is in wire casing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510349556.6A CN106319549B (en) | 2015-06-19 | 2015-06-19 | A kind of alkali wash water is in wire casing |
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| CN106319549B true CN106319549B (en) | 2018-11-06 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4207244A (en) * | 1977-10-10 | 1980-06-10 | Unisearch Limited | Process for separation of wool wax from fats in wool grease or mixtures containing wool grease |
| CN101293723A (en) * | 2008-06-24 | 2008-10-29 | 董文艺 | Advanced treatment method for sewage water and slurry-water rotational flow predissociation type membrane bioreactor |
| CN102634811A (en) * | 2012-04-25 | 2012-08-15 | 攀钢集团西昌钢钒有限公司 | Sequential deslagging control device for soaking tanks and automatic deslagging soaking tank |
| CN103822405A (en) * | 2014-03-13 | 2014-05-28 | 哈尔滨工业大学 | Wall type pollution cleaning, contaminant release and heat exchange integrated native sewage heat pump energy increasing device |
-
2015
- 2015-06-19 CN CN201510349556.6A patent/CN106319549B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4207244A (en) * | 1977-10-10 | 1980-06-10 | Unisearch Limited | Process for separation of wool wax from fats in wool grease or mixtures containing wool grease |
| CN101293723A (en) * | 2008-06-24 | 2008-10-29 | 董文艺 | Advanced treatment method for sewage water and slurry-water rotational flow predissociation type membrane bioreactor |
| CN102634811A (en) * | 2012-04-25 | 2012-08-15 | 攀钢集团西昌钢钒有限公司 | Sequential deslagging control device for soaking tanks and automatic deslagging soaking tank |
| CN103822405A (en) * | 2014-03-13 | 2014-05-28 | 哈尔滨工业大学 | Wall type pollution cleaning, contaminant release and heat exchange integrated native sewage heat pump energy increasing device |
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