CN103962400A - Arrangement mode for mixed jet washing nozzles - Google Patents
Arrangement mode for mixed jet washing nozzles Download PDFInfo
- Publication number
- CN103962400A CN103962400A CN201310039547.8A CN201310039547A CN103962400A CN 103962400 A CN103962400 A CN 103962400A CN 201310039547 A CN201310039547 A CN 201310039547A CN 103962400 A CN103962400 A CN 103962400A
- Authority
- CN
- China
- Prior art keywords
- jet
- metal plate
- nozzle
- belt
- spray beam
- 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
Abstract
The invention discloses an arrangement mode for mixed jet washing nozzles. At least one washing unit is arranged in the running direction of a metal plate strip, wherein each washing unit comprises at least one inclined jet beam, namely the axial direction of the jet beam forms an included angle B with the plate width direction of the metal plate strip; a plurality of mixed jet nozzles are uniformly distributed on the jet beam; the centerline of each nozzle forms an included angle C with the perpendicular direction. According to the arrangement mode for the mixed jet washing nozzles, the distribution uniformity of impact strength between the jet of each mixed jet nozzle and a plate surface can be effectively improved, and the strength of the nozzles can be easily complemented to finally achieve the strength uniformity of the whole plate surface by utilizing the improved uniformity, so that scales on the upper and lower wide surfaces of the whole metal plate strip can be uniformly removed.
Description
Technical field
The present invention relates to the technical field of cold conditions steel plate jet de-scaling, particularly a kind of mixing jet washer jet arrangement, is mainly used in the oxide on the metal plate and belt surface of certain width specification, adhesion to carry out efficient jet removing.
Background technology
While adopting jet to carry out de-scaling to metal surface, because the width value of metal plate and belt is larger, adopt single-nozzle to eliminate rust or be conventionally difficult to realize all standing on width during de-scaling, so continuously dislocation is furnished with the nozzle of a plurality of same models, same how much fixed forms on the width of metal plate and belt conventionally, so guarantee that metal plate and belt can realize even, stable de-scaling when by nozzle overlay area.Yet for continous way de-scaling production line, for improving de-scaling efficiency, guaranteeing continous way de-scaling, after normally each volume metal plate and belt being opened, will between each volume, carry out end to end rapid welding, reach a kind of without hair style without line length metal plate coils, thereby can guarantee all the time the continuous feeding of subsequent technique section, this technology mode can be described as continuous de-scaling (or continous way Treatment of Metal Surface).
For realizing the wide metal plate and belt of the full plate of this continous way surface firecoat, remove, need to be at the upper and lower wide face of metal plate and belt a plurality of mixing jet nozzles of arranging, and the traditional arrangement form of this nozzle is:
Referring to Fig. 1, Fig. 2, the common face of nozzle 20 and axis and the traffic direction straight line of metal plate and belt 10 is strictly surperficial perpendicular to metal plate and belt; The jet direction axis of nozzle and the traffic direction of strip present certain angle, its objective is the scale removal effect that improves nozzle.
Yet this mode exists many defects, mainly as follows:
The de-scaling ability of the mixing jet of single-nozzle distributes very inhomogeneous, presents typical convex normal distribution; Although this arrangement of nozzles mode adopts the dislocation of many row's nozzles to arrange, yet it is very difficult in actual mechanical process to reach the excellent homogeneity of jet intensity, needs to improve.
Based on this, domestic many research and development units or applying unit have all been carried out design targetedly to it, as Japan Patent JP55100814A just adopts a kind of mode being in tilted layout, its objective is when the wide specification of plate is switched, based on broadening or narrowing down, the nozzle of whole wide layout is carried out to integral inclination, its object still guarantees all standing of cleaning surface, yet this arrangement has very and is strict with the intensity distributions of injection stream, because after angle change, its original even intensity regularity of distribution is broken, when the intensity Distribution of each nozzle must strictly meet inclination different angles, even intensity distributes, and the jet of each nozzle is not interfered mutually, therefore the feasibility of this scheme in real use is poor, in addition, Japan Patent JP54096458A has announced the nozzle-integrated technical scheme being in tilted layout of a kind of width too, and this scheme and upper patent have equal disadvantage, in addition, Japan Patent JP01278907A adopts two kinds of different jet to carry out de-scaling, and the arrangement mode of its nozzle is just the simple in-line arrangement perpendicular to strip traffic direction, inevitable rear above three the cited remarkable defects that produce during actual production.
Meanwhile, the domestic scheme that also exists many manufacturers, equipment supplier to propose for arrangement of nozzles, removes the cooling etc. of hot rolling firecoat, continuous casting billet such as water under high pressure, and the layout of its nozzle mainly still adopts traditional straight arrangement.
Summary of the invention
The object of the invention is to design a kind of mixing jet washer jet arrangement, can effectively improve the jet of single mixing jet nozzle and the impact strength distributing homogeneity between plate face, utilize the uniformity after this improvement can realize easily the complementary intensity between a plurality of nozzles, finally reach the even intensity of whole plate face, thereby reach, the firecoat of upper and lower wide of whole metal plate and belt is evenly removed.
For achieving the above object, technical scheme of the present invention is:
A kind of mixing jet washer jet arrangement, on the traffic direction of metal plate and belt, arrange at least one cleaning unit, this cleaning unit comprises the spray beam that at least one is in tilted layout, be spray beam axially and the metal plate and belt plate width direction B that has angle, uniform a plurality of mixing jet nozzles in this spray beam, C all has angle between each nozzle centerline and vertical direction.
Further, described cleaning unit comprises at least two spray beam that are in tilted layout, and along metal plate and belt plate width direction, arranges, spray beam axially and the metal plate and belt plate width direction B that has angle.
Again, described cleaning unit comprises at least two spray beam that are in tilted layout, and along the traffic direction arranged in series of metal plate and belt, spray beam axially and the metal plate and belt plate width direction B that has angle.
Described spray beam incline direction is identical or contrary.
Have, the span of the included angle B absolute value between spray beam of the present invention and metal plate and belt plate width direction is [0 °, 60 °] again, and the span of the angle C absolute value between nozzle centerline and vertical direction is [0 °, 70 °].
Mixing jet washer jet arrangement of the present invention is the specific intensity regularity of distribution based on injection stream, all the time the even intensity with plate width direction is distributed as prerequisite, the spacing of horizontal and longitudinal nozzle, sputtering target, apart from reasonably controlling, be its objective is to the nozzle cleaning efficiency reaching on whole plate width reaches the highest.
This mixing nozzle being in tilted layout of the present invention, the jet intensity regularity of distribution L3 of its single-nozzle is obviously different from the jet intensity regularity of distribution L1 under conventional spout arrangement, referring to Fig. 5, Fig. 6, thus, after a plurality of nozzles combine, arrange, its resultant effect is also significantly different, and the comprehensive strength distribution curve L4 that integral inclination is arranged has many advantages with respect to the comprehensive strength distribution curve L2 of traditional arrangement, specific as follows:
1. the intensity distributions of single-nozzle is more mild, even, is the inhomogeneity assurances of a plurality of nozzles.
2. the jet between each nozzle of a cleaning unit is guaranteeing that jet intensity does not evenly interfere phenomenon in stack, realizes higher arrangement of nozzles density.
3. the comprehensive strength distribution curve of many nozzles is more even, straight, and the cleaning performance that is embodied in metal plate and belt surface is that uniformity is better.
Beneficial effect of the present invention:
All nozzles in the spray beam that the present invention is in tilted layout all adopt and the same slanted angle of metal plate and belt, the jet-core region axis of all nozzles becomes same angle with vertical direction simultaneously, realize the jet intensity uniform fold that single spray beam can realize all nozzles, replaced original dislocation arrangement mode that is no less than two row's nozzles.
Accompanying drawing explanation
Fig. 1 is the top view of jet nozzle traditional arrangement;
Fig. 2 is the front view of jet nozzle traditional arrangement;
Fig. 3 is the top view of mixing jet washer jet arrangement of the present invention;
Fig. 4 is the front view of mixing jet washer jet arrangement of the present invention;
Fig. 5 is conventional spout jet intensity distribution schematic diagram;
Fig. 6 is the jet intensity distribution schematic diagram of mixing jet washer jet arrangement of the present invention;
Fig. 7 is the schematic diagram of mixing jet washer jet arrangement embodiment bis-of the present invention;
Fig. 8 is the schematic diagram of mixing jet washer jet arrangement embodiment tri-of the present invention;
Fig. 9 is the schematic diagram of mixing jet washer jet arrangement embodiment tetra-of the present invention;
Figure 10 is the schematic diagram of mixing jet washer jet arrangement embodiment mono-of the present invention.
The specific embodiment
Referring to Fig. 3, Fig. 4, a kind of mixing jet washer jet arrangement of the present invention, on the traffic direction of metal plate and belt 100, arrange a cleaning unit 1, this cleaning unit 1 comprises a spray beam being in tilted layout 11, be spray beam 11 axially and the metal plate and belt 100 plate width directions B that has angle, uniform a plurality of mixing jet nozzles 12 in this spray beam 11, C all has angle between each nozzle 12 center lines and vertical direction.
It is embodiment that the firecoat on cold conditions hot rolled steel plate surface of take is removed, and the specific embodiment is as follows:
Embodiment mono-
Referring to Figure 10, cleaning width is the band steel of 1000mm, two cleaning units of arranged in series 1,1 ' are in metal plate and belt 100 tape transport directions, each cleaning unit comprises respectively the spray beam that an integral inclination is arranged, each spray beam includes 25, the on all four mixing nozzle of model, and between adjacent nozzle, the off(-)center amount in steel plate width direction is 40mm between two.
Spray beam and steel plate width angular separation B value are 15 °, and the jet-core region line of single-nozzle and the angle C value value between vertical direction are 10 ° simultaneously; The expulsion pressure of nozzle is set in 60MPa, and the flow of each nozzle is in 80L/min level; So realized the surperficial firecoat of 1000mm has been removed.
Embodiment bis-
Referring to Fig. 7, cleaning width is the band steel of 1000mm, along two cleaning units 1,1 ' of band steel (metal plate and belt 100) tape transport direction arranged in series, cleaning unit comprises along metal plate and belt 100 plate width directions arranges two spray beam that are in tilted layout 11,11 ', spray beam axially and the metal plate and belt plate width direction B that has angle, included angle B value is 15 °, and the jet-core region line of single-nozzle and the angle C value value between vertical direction are 10 ° simultaneously; The angle of inclination value absolute value of two spray beam 11,11 ' on metal plate and belt 100 widths is in full accord, but angle direction is completely contrary; According to spraying intensity distributions requirement, cleaning unit 1,1 ' all between two between adjacent nozzle the off(-)center amount on metal plate and belt 100 widths for being 40mm; The expulsion pressure of nozzle is set in 60MPa, and the flow of each nozzle is in 80L/min level; So realized the surperficial firecoat of 1000mm has been removed.
Embodiment tri-
Referring to Fig. 8, the band steel that is 1000mm for cleaning width, if two cleaning units 1,1 ' arranged in series are in metal plate and belt 100 tape transport directions, each unit comprises respectively three spray beam that are in tilted layout 11,11 ', 11 "; three spray beam that are in tilted layout angle of inclination value absolute value on metal plate and belt 100 widths is in full accord, but incline direction is not quite identical.
According to spraying intensity distributions requirement, each unit all between two between adjacent nozzle the off(-)center amount in steel plate width direction for being 40mm; Spray beam and metal plate and belt 100 width included angle B values are 15 °, and the jet-core region line of single-nozzle and the angle C value value between vertical direction are 10 ° simultaneously; The expulsion pressure of nozzle is set in 60MPa, and the flow of each nozzle is in 80L/min level; So realized the surperficial firecoat of 1000mm has been removed.
Embodiment tetra-
Shown in Figure 9, the band steel that is 1000mm for cleaning width, if two cleaning units 1,1 ' arranged in series are in metal plate and belt 100 tape transport directions, cleaning unit 1 comprises four spray beam that are in tilted layout 11, and cleaning unit 1 ' comprises three spray beam that are in tilted layout 11.
The angle of inclination value absolute value of four spray beam that are in tilted layout of cleaning unit 1 in steel plate width direction is in full accord, but can all can on the contrary or unanimously in angle side.
The angle of inclination value absolute value of three spray beam that are in tilted layout 11 that cleaning unit 1 ' comprises in steel plate width direction must be in full accord, but angle side non-uniform; Spray beam top nozzle 12 quantity are not completely equal; According to spraying intensity distributions requirement, all between two between adjacent nozzle the off(-)center amount in steel plate width direction for being 40mm.
Spray beam 11 is 15 ° with metal plate and belt 100 width included angle B values, and the jet-core region line of single-nozzle and the angle C value value between vertical direction are 10 ° simultaneously; The expulsion pressure of nozzle is set in 60MPa, and the flow of each nozzle is in 80L/min level; So realized the surperficial firecoat of 1000mm has been removed.
In sum, the present invention makes full use of the jet characteristics of nozzle, intensity Distribution, the flexible adjustment of nozzle matrix when realization is cleaned metal plate and belt surface, and this jet reset mode mainly realizes wide synchronous of full plate by the densely arranged mode of a plurality of nozzles, evenly remove, this synchronous for guaranteeing, remove on surface uniformly, after not causing removing there is not obvious aberration in plate face, leave over the problems such as local, need to carry out specially treated to the arrangement of nozzle, based on this, the arrangement of nozzles mode that the present invention adopts a kind of a plurality of angle to tilt realizes carries out firecoat removing to the full plate of the metal plate and belt of whole width is wide, reach nozzle quantity few, elimination efficiency is high, remove the excellent feature of surface uniformity.
Claims (6)
1. a mixing jet washer jet arrangement, it is characterized in that: on the traffic direction of metal plate and belt, arrange at least one cleaning unit, this cleaning unit comprises the spray beam that at least one is in tilted layout, be spray beam axially and the metal plate and belt plate width direction B that has angle, uniform a plurality of mixing jet nozzles in this spray beam, C all has angle between each nozzle centerline and vertical direction.
2. mixing jet washer jet arrangement as claimed in claim 1, is characterized in that: described cleaning unit comprises at least two spray beam that are in tilted layout, and along metal plate and belt plate width direction, arranges, spray beam axially and the metal plate and belt plate width direction B that has angle.
3. mixing jet washer jet arrangement as claimed in claim 1, it is characterized in that: described cleaning unit comprises at least two spray beam that are in tilted layout, along the traffic direction arranged in series of metal plate and belt, spray beam axially and the metal plate and belt plate width direction B that has angle.
4. the mixing jet washer jet arrangement as described in claim 3 or 4, is characterized in that: described spray beam incline direction is identical or contrary.
5. the mixing jet washer jet arrangement as described in claim 1 or 2 or 3, it is characterized in that: the span of the included angle B absolute value between described spray beam and metal plate and belt plate width direction is [0 °, 60 °], the span of the angle C absolute value between nozzle centerline and vertical direction is [0 °, 70 °].
6. mixing jet washer jet arrangement as claimed in claim 4, it is characterized in that: the span of the included angle B absolute value between described spray beam and metal plate and belt plate width direction is [0 °, 60 °], the span of the angle C absolute value between nozzle centerline and vertical direction is [0 °, 70 °].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310039547.8A CN103962400A (en) | 2013-01-31 | 2013-01-31 | Arrangement mode for mixed jet washing nozzles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310039547.8A CN103962400A (en) | 2013-01-31 | 2013-01-31 | Arrangement mode for mixed jet washing nozzles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103962400A true CN103962400A (en) | 2014-08-06 |
Family
ID=51232681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310039547.8A Pending CN103962400A (en) | 2013-01-31 | 2013-01-31 | Arrangement mode for mixed jet washing nozzles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103962400A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019228507A1 (en) * | 2018-05-31 | 2019-12-05 | 长沙矿冶研究院有限责任公司 | High-pressure water jet cleaning device for sandblasting and descaling plate strip material, cleaning line and system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4251956A (en) * | 1978-01-18 | 1981-02-24 | Ishikawajima-Harima Jukogyo Kabushiki Kaisha | Apparatus for descaling metal strip |
| JPS61119321A (en) * | 1984-11-13 | 1986-06-06 | Ishikawajima Harima Heavy Ind Co Ltd | Descaling device |
| WO1994003651A2 (en) * | 1992-08-05 | 1994-02-17 | Kolene Corporation | Method, apparatus and salt for descaling metal strip |
| JPH0839129A (en) * | 1994-07-29 | 1996-02-13 | Kawasaki Steel Corp | Descaling device in hot rolling steel product |
| CN102847731A (en) * | 2011-06-29 | 2013-01-02 | 宝山钢铁股份有限公司 | Control method for surface roughness of finished cold metal strips |
| CN102847631A (en) * | 2011-06-29 | 2013-01-02 | 宝山钢铁股份有限公司 | Nozzle device and method for cleaning surfaces of metal strips |
| CN102896584A (en) * | 2011-07-29 | 2013-01-30 | 宝山钢铁股份有限公司 | Process arrangement method for mixed jet cleaning |
-
2013
- 2013-01-31 CN CN201310039547.8A patent/CN103962400A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4251956A (en) * | 1978-01-18 | 1981-02-24 | Ishikawajima-Harima Jukogyo Kabushiki Kaisha | Apparatus for descaling metal strip |
| JPS61119321A (en) * | 1984-11-13 | 1986-06-06 | Ishikawajima Harima Heavy Ind Co Ltd | Descaling device |
| WO1994003651A2 (en) * | 1992-08-05 | 1994-02-17 | Kolene Corporation | Method, apparatus and salt for descaling metal strip |
| JPH0839129A (en) * | 1994-07-29 | 1996-02-13 | Kawasaki Steel Corp | Descaling device in hot rolling steel product |
| CN102847731A (en) * | 2011-06-29 | 2013-01-02 | 宝山钢铁股份有限公司 | Control method for surface roughness of finished cold metal strips |
| CN102847631A (en) * | 2011-06-29 | 2013-01-02 | 宝山钢铁股份有限公司 | Nozzle device and method for cleaning surfaces of metal strips |
| CN102896584A (en) * | 2011-07-29 | 2013-01-30 | 宝山钢铁股份有限公司 | Process arrangement method for mixed jet cleaning |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019228507A1 (en) * | 2018-05-31 | 2019-12-05 | 长沙矿冶研究院有限责任公司 | High-pressure water jet cleaning device for sandblasting and descaling plate strip material, cleaning line and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202238955U (en) | Structure for realizing control over horizontal relative position of spray nozzle | |
| CN101253009B (en) | Cooling facility and cooling method of steel plate | |
| CN101253011B (en) | Hot rolling facility of steel plate and hot rolling method | |
| JP2016120523A (en) | Descaler of rolling material | |
| CN1630564A (en) | Cooling device, manufacturing method, and manufacturing line for hot rolled steel band | |
| JP5423575B2 (en) | Steel plate cooling equipment | |
| CN103962400A (en) | Arrangement mode for mixed jet washing nozzles | |
| CN107262690A (en) | A kind of two cold water spray equipment for the high pulling rate production of billet caster | |
| CN201842867U (en) | Blast furnace oil spray wiping system on stainless steel annealing acid-washing production line | |
| CN102847631A (en) | Nozzle device and method for cleaning surfaces of metal strips | |
| JP4765344B2 (en) | Method and apparatus for descaling hot rolled material | |
| CN105073293A (en) | Thick steel plate manufacturing method and manufacturing device | |
| JP4905180B2 (en) | Steel cooling device and cooling method | |
| CN106311760B (en) | Pass through the method for the residual stress minimizing of transverse temperature difference after reduction Rolling for Hot Rolled Strip | |
| JP2008221328A (en) | Apparatus for removing scale from billet | |
| JP2003285115A (en) | Descaling method for steel plate and facility used for the same | |
| US10493498B2 (en) | Method for arranging jet cleaning nozzles | |
| CN105102142A (en) | Thick steel plate manufacturing device and manufacturing method | |
| CN202516862U (en) | Equipment for carrying out mechanical descaling on steel strip | |
| CN109226017A (en) | A kind of cast wheel high-pressure cleaning device for copper continuous casting rolling production process | |
| CN208944712U (en) | A kind of cast wheel high-pressure cleaning device for copper continuous casting rolling production process | |
| JP2006297410A (en) | System and method for cooling thick steel plate | |
| JP4418224B2 (en) | How to remove welding spatter | |
| CN103813866B (en) | For removing the Apparatus and method for of the oxide skin of metallic article | |
| CN112074360B (en) | Secondary cooling device and secondary cooling method for continuous casting |
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 |
Application publication date: 20140806 |