CN100503064C - System for purging exporting emulsions of cold continuous rolling mill - Google Patents
System for purging exporting emulsions of cold continuous rolling mill Download PDFInfo
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- CN100503064C CN100503064C CNB2007101587357A CN200710158735A CN100503064C CN 100503064 C CN100503064 C CN 100503064C CN B2007101587357 A CNB2007101587357 A CN B2007101587357A CN 200710158735 A CN200710158735 A CN 200710158735A CN 100503064 C CN100503064 C CN 100503064C
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Abstract
The invention relates to a purging system for outlet emulsion of a cold tandem mill, comprising four sets of purging devices with blast nozzles arranged on a mill, a head of an upper anti-wind guide plate, a head of a lower anti-wind guide plate and an outlet respectively. The purging devices arranged in heads are arranged in air grooves machined in a lower guide plate of the upper anti-wind guide plate and the head of the lower anti-wind guide plate; at least 6 branched pipes are arranged on each set of main air duct along longitudinal direction of the main air duct, a certain angle is formed between each branched pipe and the main air duct, and a certain angle is formed between each branched pipe and a steel plate. The invention has the advantages that the invention takes up no useful space, and facilitates maintenance of equipment; as the invention is close to the steel plate, thus the invention can keep the wind pressure from decaying; as the invention is close to milling rollers, thus the contact surface of the rollers and the steel plate can be swept clean, the emulsion between frames can be effectively controlled, and the amount of compressed air can be saved by 44% compared with the purging methods in prior art.
Description
Technical field
The invention belongs to steel rolling accessory machinery field, be specifically related to a kind of device that milling train outlet surface of steel plate residue is purged of being used for.
Background technology
Thoroughly removing the residual emulsion on clean finished product cold-strip steel surface, is the important process link of guaranteeing the cold-reduced sheet surface quality.And for the tandem mills finished product, the phenomenon that roll and steel plate are taken emulsion out of but often appears in the milling train outlet, and particularly generous material is particularly serious, has not only increased the burden of cleaning unit, also next procedure has been caused adverse effect, and handled and badly will directly influence the surface quality of steel plate.The unclean reason of cleaning is, owing to be subjected to the restriction of position, it is residual that the emulsion that 7 tuyeres eliminate surface of steel plate only has been installed at the upper and lower anti-middle part that twines guide plate of milling train outlet in the former design, therefore can not satisfy the needs of cleaning far away.And install tuyere or blow device additional, then be subjected to the restriction of position and self width again and can't realize.Especially when producing the steel plate of the above width of 1500mm, more thoroughly the emulsion purging with steel plate limit portion is clean.
Chinese patent ZL952220253 provides a kind of " cold-strip steel emulsion blow device ", band above the steel two arranged in a crossed manner become 5 °～30 ° angles with the working roll axis, and projected length is more than or equal to the last compressed air hose of working roll barrel length; Band steel below is provided with the compressed air straight tube of being longer than the body of roll.Its advantage is simple in structure, but weak point two pipes that to be top arranged in a crossed manner can only before and after arrange, cause the difference that purges effect, and easily form blind spot in the middle of the steel plate and purge less than; If can be purged in the middle of looking after, then compressed air very easily forms turbulent flow and impact effect.Chinese patent 962119415 disclosed a kind of " cold rolling last frame emulsion blow device ", be above band, to be provided with the casing of a width more than or equal to strip width, box bottom is provided with and is symmetrical in the nozzle that rolling centerline is arranged to a circle camber line of frame direction protrusion, can improve the purging effect, but only limit to the upper surface of band, then purge below less than.It is pointed out that more the problem that exists with last patent is identical, be exactly that these two kinds of blow devices can only be installed in and do not have the upper and lower anti-frame outlet that twines guide plate, otherwise definitely do not have the position to install.
Summary of the invention
Purpose of the present invention is exactly to purge existing problem at having up and down the anti-cold continuous rolling emulsion that twines guide plate, aim to provide a kind of simple in structure, design science, connection and reasonable arrangement, save the space, purge uniform and complete, can avoid the multiple purging exporting emulsions of cold continuous rolling mill device of wind loss.
Technical solution of the present invention is:
System for purging exporting emulsions of cold continuous rolling mill of the present invention has tuyere, and milling train is upper and lower anti-to twine the head of guide plate and the quadruplet blow device of guide plate outlet is formed to purging system by being separately positioned on, and every cover blow device all contains blast main and is in charge of.Being located at the anti-blow device that twines the guide plate head installs Yu Shangfang respectively and twines in the wind groove that guide plate bottom guide and the anti-down head that twines guide plate leave.Be installed in the anti-blow device that twines guide plate bottom guide head except that containing blast main, being in charge of, also be provided with the tuyere protective cover.
Described blast main is provided with at least along its length direction and forms being in charge of of certain angle between 6 and the blast main, respectively be in charge of and and steel plate between form certain included angle.Respectively be in charge of the port of export all with the tuyere that has been threaded.
Described blast main system communicates side by side by three and not isometric middle airduct, long airduct and lack airduct and form the every all independent external by-pass valve control of airduct.
The arrangement mode of being in charge of is: be in charge of vertically with blast main for middle two, all the other are in charge of with the blast main vertical line is the outward-dipping separately certain angle of benchmark, and outer more to be in charge of its angle of inclination big more.Be in charge of and the angle of inclination of its vertical line generally between 5 °～40 °; Adjacent two spacings between being in charge of are 70～120mm.
Respectively be in charge of and steel plate (being horizontal plane) between angle be: for being located at up and down the anti-blow device that twines on the guide plate, be in charge of and steel plate between angle be 5 °～45 °; Be located at the blow device of guide plate outlet, its be in charge of and steel plate between angle be 45 °～80 °.
Adopt the present invention,, not only can not account for any useful space, help the Maintenance and Repair of equipment because the first road blow device is located in the wind groove that the anti-up and down head that twines guide plate leaves; And nearest apart from steel plate, can guarantee that blast is unattenuated, guaranteed the purging effect.Blow device is also the shortest from the distance of roll simultaneously, and the scope of its purging can expand between frame, is purged to working roll and steel plate contact-making surface, and the emulsion between frame is controlled effectively.Being installed in the anti-blow device that twines the guide plate outlet can purge the remaining emulsion that sputters internally once more, the former in addition blow device of preventing twining the guide plate middle part of being located at, the only anti-guide plate front and back that twine just are provided with three road blow devices, can guarantee thoroughly to remove the remaining emulsion of surface of steel plate clean.Because the present invention is in charge of connection and reasonable arrangement, adopt the setting that strengthens gradually by the outward-dipping angle in centre, avoided high-pressure blast to produce the phenomenon of turbulent flow, make the remaining emulsion that is purged under the effect of side-blown wind-force, be forced to two sides of steel plate and flowed out.Blast main is to adopt different three of length to communicate side by side, can adjust the airduct that uses automatically according to the steel plate width difference.Blast main in the middle of narrow boards can singly be opened, the blast main of the weak point of increasing a side of wide again point, then all blast mains all being opened of the wide maximum of plate.Its benefit is to save compressed-air actuated consumption, and according to incompletely statistics, this purging mode is compared with traditional purging mode, saves 44% compressed-air actuated consumption.
Description of drawings
Fig. 1 is provided with figure for system for purging exporting emulsions of cold continuous rolling mill.
Fig. 2 is the anti-up and down guide plate head construction enlarged drawing that twines of Fig. 1.
Fig. 3 is for the system for purging exporting emulsions of cold continuous rolling mill blast main and be in charge of figure is set.
Fig. 4 is the vertical view of Fig. 3.
Among the figure: 1 is the last anti-guide plate that twines, 2 are the last anti-guide plate bottom guide that twines, and 3 are the anti-guide plate that twines down, and 4 are the last blow device of guide plate outlet, 5 are blow device under the guide plate outlet, 6 are the last anti-guide plate bottom guide wind groove that twines, and 7 are the last anti-guide plate blast main that twines, and 8 anti-ly twine guide plate and are in charge of for last, 9 is protective cover, 10 twine guide plate and are in charge of for down anti-, and 11 are the anti-guide plate blast main that twines down, and 12 are the anti-guide plate wind groove that twines down, 13 is tuyere, 14 is middle airduct, and 15 is middle blast pipe, and 16 is the progress airduct, 17 for being in charge of, 18 are long airduct, and 19 are short airduct, and 20 are short blast pipe.
The specific embodiment
Below, the invention will be further described in conjunction with the accompanying drawings.
System for purging exporting emulsions of cold continuous rolling mill of the present invention has 4 covers, and every cover includes blast main, be in charge of 17 and have tuyere 13, and blast main is by middle airduct 14, long airduct 18 and lack airduct 19 and form.By Fig. 1, Fig. 2 as seen, 4 cover blow devices are separately positioned on the milling train anti-twine guide plate 1 and anti-head and the guide plate outlet that twines guide plate 3 down, i.e. head each cover up and down, and the guide plate outlet is gone up blow device 5 under blow device 4 and the guide plate outlet for the guide plate outlet.Have the anti-guide plate bottom guide wind groove 6 that twines at the last anti-head that twines guide plate bottom guide 2; The anti-down head that twines guide plate 3 has down the anti-guide plate wind groove 12 that twines.The blow device that is located at head is installed Yu Shangfang respectively and is twined guide plate bottom guide wind groove 6 and anti-twining in the guide plate wind groove 12 down.The down anti-blow device that twines guide plate 3 heads and guide plate outlet are gone up blow device 4, guide plate outlet the structure of blow device 5 are basic identical down, all be by down anti-twine guide plate blast main 11, down prevent twining guide plate be in charge of 10 and tuyere 13 constitute.And be installed in the anti-blow device that twines guide plate 1 bottom guide 2 heads and anti-ly twine guide plate blast main 7 except that containing, go up prevent twining guide plate be in charge of 8 and tuyere, also be equipped with tuyere protective cover 9, protective cover 9 is for having the long slab groove of row's exhaust vent, the head steel plate of groove protects tuyere, in unusual broken belt of milling train or the leader tape process tuyere is broken preventing.
By Fig. 3, Fig. 4 as seen, the blast main of every cover blow device communicates side by side by middle airduct 14, long airduct 18 and short 19 3 of airducts and not isometric airduct is formed, three airducts are connected with the external control valve by middle blast pipe 15, progress airduct 16 and short blast pipe 20 respectively, to realize the independent control to three airducts.At least be provided with being in charge of more than 6 at three its length directions of airduct upper edge, be in charge of the port of export with the tuyere that is threaded.With blast main length be 1700mm, adjacent two branch tube pitch 100mm, length, in, being provided with 16 on short three airducts altogether, to be in charge of be example: the switching of three airducts is mainly determined according to milling train outlet steel plate width, when width is narrower, airduct 14 in opening, mediate be located on the airduct 14 6 be in charge of 17 and purge to wind; To the steel plate of medium-width, then open short airduct 19 again, be located on the short airduct 19, be positioned in the middle of 6 be in charge of 6 of both sides (three of sides) and be in charge of 17 and open and purge; When width is big, then open progress airduct 16 again, 17 work are in charge of in outermost 4 of both sides.
As seen from Figure 4, be in charge of 17 arrangement mode and be: be in charge of vertically, be responsible for purging the steel plate middle part for middle two with middle airduct 14; All the other are in charge of with himself vertical line is the outward-dipping separately certain angle of benchmark, that is is tilted to the left being in charge of of left side, and being in charge of of right side is tilted to the right.The angle of inclination of respectively being in charge of is inequality, and outer more to be in charge of its angle of inclination big more, and its main purpose is to make the residual emulsion that is purged to flow out to the steel plate both sides.Respectively be in charge of and the angle of inclination of its vertical line generally between 5 °～40 °; Adjacent two spacings between being in charge of are 70～120mm, to guarantee to purge effect.
Respectively be in charge of and steel plate between angle: for being located at up and down the anti-blow device that twines on the guide plate, be in charge of and steel plate between angle be 5 °～45 °, if angle is too big, then the purging effect to emulsion between frame reduces.Be arranged on the blow device at guide plate rear portion, its be in charge of and steel plate between angle be 45 °～80 ° and be advisable.
Claims (6)
1, a kind of system for purging exporting emulsions of cold continuous rolling mill, have tuyere, it is characterized in that milling train is upper and lower anti-to twine the head of guide plate and the quadruplet blow device of guide plate outlet is formed to described purging system by being separately positioned on, every cover blow device all contains blast main and is in charge of; Be located at the anti-blow device that twines the guide plate head and install Yu Shangfang respectively and twine the bottom guide of guide plate and anti-down twining in the wind groove that head had of guide plate, go up the anti-blow device that twines guide plate bottom guide head and be provided with the tuyere protective cover.
2, a kind of system for purging exporting emulsions of cold continuous rolling mill according to claim 1 is characterized in that, described blast main communicates side by side by three and not isometric middle airduct, long airduct and short airduct are formed the every all independent external by-pass valve control of airduct.
3, a kind of system for purging exporting emulsions of cold continuous rolling mill according to claim 1, it is characterized in that, described blast main is provided with at least along its length direction and forms being in charge of of certain angle between 6 and the blast main, respectively be in charge of and and steel plate between form certain included angle.
4, a kind of system for purging exporting emulsions of cold continuous rolling mill according to claim 1, it is characterized in that, the arrangement mode of being in charge of is: be in charge of vertical with blast main for middle two, all the other are in charge of with the blast main vertical line is the outward-dipping separately certain angle of benchmark, and outer more to be in charge of its angle of inclination big more.
According to claim 1 or 4 described a kind of system for purging exporting emulsions of cold continuous rolling mill, it is characterized in that 5, the described angle of inclination of being in charge of with the blast main vertical line is 5 °～40 °; Adjacent two spacings between being in charge of are 70～120mm.
6, according to claim 1 or 3 described a kind of system for purging exporting emulsions of cold continuous rolling mill, it is characterized in that, described respectively be in charge of and steel plate between angle be: be located at up and down the anti-blow device that twines the guide plate head, be in charge of and steel plate between angle be 5 °～45 °; Be located at the blow device of guide plate outlet, its be in charge of and steel plate between angle be 45 °～80 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101587357A CN100503064C (en) | 2007-12-06 | 2007-12-06 | System for purging exporting emulsions of cold continuous rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101587357A CN100503064C (en) | 2007-12-06 | 2007-12-06 | System for purging exporting emulsions of cold continuous rolling mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101176887A CN101176887A (en) | 2008-05-14 |
| CN100503064C true CN100503064C (en) | 2009-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101587357A Expired - Fee Related CN100503064C (en) | 2007-12-06 | 2007-12-06 | System for purging exporting emulsions of cold continuous rolling mill |
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| CN (1) | CN100503064C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101780485B (en) * | 2009-12-30 | 2012-09-05 | 一重集团大连设计研究院有限公司 | Emulsion cleaning device |
| CN102168964B (en) * | 2010-11-27 | 2015-12-09 | 合肥市百胜科技发展股份有限公司 | Guide of calliper |
| CN102748933A (en) * | 2012-06-26 | 2012-10-24 | 中国重型机械研究院有限公司 | Hot air purging device |
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2007
- 2007-12-06 CN CNB2007101587357A patent/CN100503064C/en not_active Expired - Fee Related
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| CN101176887A (en) | 2008-05-14 |
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Granted publication date: 20090624 Termination date: 20191206 |