CN104607472A - Emulsion spray boom device - Google Patents
Emulsion spray boom device Download PDFInfo
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- CN104607472A CN104607472A CN201410759533.8A CN201410759533A CN104607472A CN 104607472 A CN104607472 A CN 104607472A CN 201410759533 A CN201410759533 A CN 201410759533A CN 104607472 A CN104607472 A CN 104607472A
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Abstract
The invention relates to an emulsion spray boom device. The emulsion spray boom device comprises emulsion cavities and a compressed air cavity, wherein the emulsion cavity and the compressed air cavity are formed inside a spray boom, two emulsion cavity piston rods are arranged at the two ends of the emulsion cavities respectively, two air cavity piston rods are arranged at the two ends of the compressed air cavity respectively, each emulsion cavity piston and the corresponding air cavity piston rod on the same side are fixed to a fixing plate, and the fixing plates are connected with self-locking hydraulic cylinders fixed to the side face of the spray boom. The spray boom is provided with a supply channel communicated with the emulsion cavities and the compressed air cavity. Emulsion nozzles and compressed air nozzles are installed on the lower surface of the spray boom, the emulsion nozzles are communicated with the emulsion cavities, the compressed air nozzles are communicated with the compressed air cavity, and the blowing angles of the two kinds of nozzles can be flexibly adjusted according to the actual conditions. Through the structure, the emulsion spray boom device overcomes the defect that emulsion is sprayed unevenly, and well solves the problem that the effect of blowing the emulsion is not ideal.
Description
Technical field
The present invention relates to a kind of emulsion injection beam device, application with in steel rolling field.
Background technology
At present, for belt steel rolling, emulsion has extremely important effect.First emulsion plays lubrication in the operation of rolling, which reduces the coefficient of friction between roll and band steel, reduces roll wear, extend roll campaign, and reduce roll-force; Secondly, due to roll and the friction of band steel in the operation of rolling, roller temperature is raised, due to temperature rise uneven and occur roller heat convex degree learning distortion, cause belt plate shape bad, by the jet-action of emulsion, effectively inhibit temperature to raise, significantly improve belt plate shape; Finally, by the jet-action of emulsion, the impurity foreign matter on band steel or roll can be removed, play cleaning action.Although emulsion has above advantage, if but it is unfavorable to emulsion remained purging, it is made to bond to belt steel surface, Emulsion spot will be formed, affect strip surface quality, serious also can cause the corrosion of band steel, especially brings very burden, so the purging problem wanting enough attention emulsion remained to techniques such as follow-up coatings.
For reversable cold-rolling machine, because mill housing internal unit is various, narrow space, and inlet of rolling mill and outlet will arrange that emulsion sprays and blow device simultaneously, the equipment that seems is very crowded, the plant maintenance maintenance very inconvenience of milling train body interior; In addition, due to rolled strip width difference, emulsion injection water curtain and coolant emulsion liquid blowing remover must can meet the change of strip width, and in prior art designs, although emulsion sprays water curtain width-adjustable, sectional-regulatedly relatively fix inflexible, or the wide emulsion that causes of water curtain is wasted, or water curtain is narrow and can not cover strip width, the control of nozzle is also relatively complicated; Simultaneously, the purging width of coolant emulsion liquid blowing remover accurately can not adapt to strip width, when being with steel to become ribbon steel by broadband, compressed air is caused to waste in a large number, and when being with steel to become broadband by arrowband, purge width inadequate again, cause can not removing completely from roll gap channelling to the emulsion of the other side of milling train, do not have the effectively emulsion that realizes to purge function, cause emulsion residue; Finally, when the reverse rolling of band steel, the emulsion injection beam of band steel exports quits work, but the emulsion remained in spray beam can drop onto belt steel surface from nozzle, and blow device cannot effectively be removed, and causes emulsion residue.
Therefore be necessary to design a kind of new emulsion injection beam device, to overcome the problems referred to above.
Summary of the invention
The object of the invention is to the defect overcoming prior art, provide a kind of emulsion injection beam device, it sprays width of water curtain and purges width and can change with strip width change, and nozzle spray deflection angle can adjust according to actual conditions, not only improve the uneven situation that emulsion sprays, and well solve emulsion and purge undesirable problem.
The present invention is achieved in that
The invention provides a kind of emulsion injection beam device, comprise spray beam, an emulsion cavity, a compressed air cavity, two emulsification sap cavity piston rods and two air chamber piston rods; It is inner that described emulsion cavity and described compressed air cavity are all located at described spray beam, and be arranged in parallel, two emulsification sap cavity piston rods are located at the two ends of described emulsion cavity respectively, two air chamber piston rods are located at the two ends of described compressed air cavity respectively, wherein, the described emulsification sap cavity piston rod and the described air chamber piston rod that are positioned at the same side are fixed on a fixed head, described fixed head is connected with a self locking hydraulic cylinder by earrings, and described self locking hydraulic cylinder is fixed on the side of described spray beam by base; Described spray beam is provided with the service duct be communicated with described compressed air cavity with described emulsion cavity, and the end of described service duct is provided with flange; The lower surface of described spray beam is provided with the screw thread installing Emulsified liquid nozzle and compressed-air atomizer, described Emulsified liquid nozzle is fixed on screw thread, and be communicated with described emulsion cavity, described compressed-air atomizer is fixed on screw thread, and is communicated with described compressed air cavity.
Further, described spray beam is processed by steel plate.
Further, the position that described emulsification sap cavity piston rod is connected with described emulsion cavity is provided with sealing ring, and the position that described air chamber piston rod is connected with described compressed air cavity is provided with sealing ring.
Further, described emulsification sap cavity piston rod simultaneously through with sealing ring fairlead and be fixed on end cap in described spray beam, and to be fixed on described fixed head by nut.
Further, described air chamber piston rod simultaneously through with sealing ring fairlead and be fixed on end cap in described spray beam, and to be fixed on described fixed head by nut.
Further, the more described compressed-air atomizer of described Emulsified liquid nozzle is near the roll be rolled band steel.
Further, described compressed-air atomizer is that the outer Eight characters is arranged relative to strip width direction.
Further, described Emulsified liquid nozzle and be equipped with lining and Compress Spring between described compressed-air atomizer and described spray beam.
Further, sealing device is provided with between described lining and described spray beam.
The present invention has following beneficial effect:
Stretching by self locking hydraulic cylinder, the emulsification sap cavity piston rod that drive and fixed head link together and air chamber piston rod move relative to spray beam, thus change the size of the inner emulsion cavity of spray beam and compressed air cavity, the state that final control Emulsified liquid nozzle and compressed-air atomizer open or close, reach and change emulsion and spray width of water curtain and compressed air and purge the object that width carrys out adaptive zone steel change width, also achieve the interlock that emulsion water curtain and compressed air purge width, more effectively remove the emulsion remained of belt steel surface, well solve existing emulsion and purge undesirable problem.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the emulsion injection beam device that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the A-A sectional view in Fig. 1;
Fig. 3 is the C direction view in Fig. 1;
Fig. 4 is the B-B sectional view in Fig. 1.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belong to the scope of protection of the invention.
As shown in Figure 1 to Figure 4, the embodiment of the present invention provides a kind of emulsion injection beam device, comprises spray beam 1, emulsion cavity 16, compressed air cavity 17, two emulsification sap cavity piston rods 4 and two air chamber piston rods 5.
As shown in Figure 1 to Figure 4, described spray beam 1 is processed by steel plate, it is inner that described emulsion cavity 16 and described compressed air cavity 17 are all located at described spray beam 1, and be arranged in parallel, two emulsification sap cavity piston rods 4 are located at the two ends of described emulsion cavity 16 respectively, two air chamber piston rods 5 are located at the two ends of described compressed air cavity 17 respectively, and wherein, the described emulsification sap cavity piston rod 4 and the described air chamber piston rod 5 that are positioned at the same side are fixed on a fixed head 3.In this preferred embodiment, leak to prevent compressed air and emulsion, the position that described emulsification sap cavity piston rod 4 is connected with described emulsion cavity 16 is provided with sealing ring 6, and the position that described air chamber piston rod 5 is connected with described compressed air cavity 17 is provided with sealing ring 6.Described emulsification sap cavity piston rod 4 simultaneously through with sealing ring fairlead and be fixed on end cap in described spray beam 1, and be fixed on described fixed head 3 by nut; Described air chamber piston rod 5 simultaneously through with the fairlead 15 of sealing ring and the end cap 7 that is fixed in described spray beam 1, and is fixed on described fixed head 3 by nut.For preventing the fluid leakage between end cap 7 and spray beam 1, the position of both contacts is carried out sealing and is arranged.
As shown in Figure 1 to Figure 4, described fixed head 3 is connected with a self locking hydraulic cylinder 9 by earrings 8, and described self locking hydraulic cylinder 9 is fixed on the side of described spray beam 1 by base 10.Described spray beam 1 is provided with the service duct be communicated with described compressed air cavity 17 with described emulsion cavity 16, and the end of described service duct is provided with flange 2, and described flange 2 is for being connected with supply emulsion and compressed-air actuated pipeline.Emulsification sap cavity piston rod 4 and air chamber piston rod 5 are when being pulled out by self locking hydraulic cylinder 9, there is crooked situation sometimes, two kinds of piston rods can be made to haul out from the cavity of spray beam 1 smoothly by fairlead 15, when after fairlead 15 serious wear, can open end cap 7 and carry out repair and replacement, attended operation is simple and convenient.
As shown in Figure 1 to Figure 4, the lower surface of described spray beam 1 is provided with the screw thread installing Emulsified liquid nozzle 13 and compressed-air atomizer 12, described Emulsified liquid nozzle 13 is fixed on screw thread, and be communicated with described emulsion cavity 16, described compressed-air atomizer 12 is fixed on screw thread, and is communicated with described compressed air cavity 17.The more described compressed-air atomizer 12 of described Emulsified liquid nozzle 13 is near the roll be rolled band steel, and when being conducive to reverse rolling like this, described compressed-air atomizer 12 purges the emulsion removing drippage in spray beam 1.Described compressed-air atomizer 12 is that the outer Eight characters is arranged relative to strip width direction, is conducive to the emulsion on band steel to blow off from steel edge portion.The intermediate noxzzle of Emulsified liquid nozzle 13 and compressed-air atomizer 12 belongs to normal spraying nozzle, and two side nozzles can carry out switch control rule according to strip width, have not only saved fluid resources, also provide enhanced emulsion and sprays and air purging effect.Two kinds of nozzles are connected with spray beam 1 by screw thread, at described Emulsified liquid nozzle 13 be equipped with lining 11 and Compress Spring 14 between described compressed-air atomizer 12 and described spray beam 1, be provided with sealing device between described lining 11 and described spray beam 1, when preventing nozzle operation, emulsion or compressed air are revealed.
As shown in Figure 1 to Figure 4, during described emulsion injection beam device work, reversable mill is before forward rolling, entrance side needs to spray emulsion lubrication roll gap, the piston rod of self locking hydraulic cylinder 9 stretches out, fixed head 3 is driven to move, the emulsification sap cavity piston rod 4 thereupon linked together with fixed head 3 moves together with air chamber piston rod 5, at this moment the cavity volume of spray beam 1 inside increases, Emulsified liquid nozzle 13 and compressed-air atomizer 12 are opened one by one, after Emulsified liquid nozzle 13 water curtain is enough to cover strip width, self locking hydraulic cylinder 9 is locked, its piston rod also stops stretching out, the emulsion cavity 16 of spray beam 1 inside and the constancy of volume of compressed air cavity 17, pressure is in steady state, ensure that pressure during nozzle operation, air feed passage is cut off in the process, so compressed-air atomizer 12 does not work, be in closed condition.The self locking hydraulic cylinder 9 of milling train outlet side stretches out also by piston rod the width regulating and purge air curtain, its process is identical with the operating process of entrance side spray beam 1, unlike opening compressed-air atomizer 12, cut off emulsion service duct, Emulsified liquid nozzle 13 is in closed condition.The emulsion that so just can block the injection of band steel both sides is from roll gap channelling to milling train outlet side, and after ensure that rolling, belt steel surface cleans.When the reverse rolling of milling train, open Emulsified liquid nozzle 13, closes compression air nozzle 12 at band steel entrance side; Open air nozzle 12 at milling train outlet side, close Emulsified liquid nozzle 13, its method opening and closing nozzle controls exterior line switch valve.When emulsion sprays and compressed air purges, if effect is undesirable, reach more preferably effect by regulating its scope covered of Angulation changes of compressed-air atomizer 12 and Emulsified liquid nozzle 13.For the operating process of Emulsified liquid nozzle 13, specific implementation process is described, the operation of compressed-air atomizer 12 is identical with it.With spanner twisting Emulsified liquid nozzle 13, at this moment Emulsified liquid nozzle 13 is screwed into screwed hole further, malleation lining 11 bottom Emulsified liquid nozzle 13, lining 11 extrudes Compress Spring 14, so just have adjusted the injection direction of Emulsified liquid nozzle 13, and ensure that being threaded of Emulsified liquid nozzle has certain pretightning force, can not freely rotate.
Stretching by self locking hydraulic cylinder, the emulsification sap cavity piston rod that drive and fixed head link together and air chamber piston rod move relative to spray beam, thus change the size of the inner emulsion cavity of spray beam and compressed air cavity, the state that final control Emulsified liquid nozzle and compressed-air atomizer open or close, reach and change emulsion and spray width of water curtain and compressed air and purge the object that width carrys out adaptive zone steel change width, also achieve the interlock that emulsion water curtain and compressed air purge width, more effectively remove the emulsion remained of belt steel surface, well solve existing emulsion and purge undesirable problem.Wherein, Compress Spring is had bottom when two kinds of nozzles are installed, the deflection angle that conveniently adjusted nozzle sprays.The self locking hydraulic cylinder of spray beam both sides can move simultaneously, also can move separately, and it depends on the position of the relative spray beam of band steel.This emulsion injection beam device is relatively convenient for the switch control rule of each nozzle, and compact overall structure, flexibly easy to adjust, economical and practical.
Described emulsion injection beam device has following beneficial effect: achieve the interlock that emulsion sprays water curtain and compressed air purging width, the change of strip width can be adapted to simultaneously, solve because strip width change that the emulsion remained purging that causes is unfavorable or the problem of the wasting of resources, improve the surface quality of rolled band steel.
2. emulsified liquid injection gear and coolant emulsion liquid blowing remover are integrated on an equipment, decrease equipment, also make equipment more compact, for mill housing inside saves very large space, facilitate the installation and maintenance of all the other equipment.
3. Emulsified liquid nozzle and compressed-air atomizer spray adjustable deflection angle, have better adapted to different rolling operating modes, and the replacing of two kinds of nozzles is safeguarded also very convenient.
4. solve spray beam internal residual emulsion and drop onto the emulsion residue problem being with steel to cause from nozzle.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. an emulsion injection beam device, is characterized in that, comprises spray beam, an emulsion cavity, a compressed air cavity, two emulsification sap cavity piston rods and two air chamber piston rods;
It is inner that described emulsion cavity and described compressed air cavity are all located at described spray beam, and be arranged in parallel, two emulsification sap cavity piston rods are located at the two ends of described emulsion cavity respectively, two air chamber piston rods are located at the two ends of described compressed air cavity respectively, wherein, the described emulsification sap cavity piston rod and the described air chamber piston rod that are positioned at the same side are fixed on a fixed head, described fixed head is connected with a self locking hydraulic cylinder by earrings, and described self locking hydraulic cylinder is fixed on the side of described spray beam by base;
Described spray beam is provided with the service duct be communicated with described compressed air cavity with described emulsion cavity, and the end of described service duct is provided with flange;
The lower surface of described spray beam is provided with the screw thread installing Emulsified liquid nozzle and compressed-air atomizer, described Emulsified liquid nozzle is fixed on screw thread, and be communicated with described emulsion cavity, described compressed-air atomizer is fixed on screw thread, and is communicated with described compressed air cavity.
2. emulsion injection beam device as claimed in claim 1, is characterized in that: described spray beam is processed by steel plate.
3. emulsion injection beam device as claimed in claim 1, is characterized in that: the position that described emulsification sap cavity piston rod is connected with described emulsion cavity is provided with sealing ring, and the position that described air chamber piston rod is connected with described compressed air cavity is provided with sealing ring.
4. emulsion injection beam device as claimed in claim 1, is characterized in that: described emulsification sap cavity piston rod simultaneously through with the fairlead of sealing ring and the end cap that is fixed in described spray beam, and is fixed on described fixed head by nut.
5. emulsion injection beam device as claimed in claim 1, is characterized in that: described air chamber piston rod simultaneously through with the fairlead of sealing ring and the end cap that is fixed in described spray beam, and is fixed on described fixed head by nut.
6. emulsion injection beam device as claimed in claim 1, is characterized in that: the more described compressed-air atomizer of described Emulsified liquid nozzle is near the roll be rolled band steel.
7. the emulsion injection beam device as described in claim 1 or 6, is characterized in that: described compressed-air atomizer is that the outer Eight characters is arranged relative to strip width direction.
8. emulsion injection beam device as claimed in claim 1, is characterized in that: described Emulsified liquid nozzle and be equipped with lining and Compress Spring between described compressed-air atomizer and described spray beam.
9. emulsion injection beam device as claimed in claim 8, is characterized in that: be provided with sealing device between described lining and described spray beam.
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CN201410759533.8A CN104607472B (en) | 2014-12-12 | 2014-12-12 | Emulsion injection beam device |
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CN201410759533.8A CN104607472B (en) | 2014-12-12 | 2014-12-12 | Emulsion injection beam device |
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CN104607472A true CN104607472A (en) | 2015-05-13 |
CN104607472B CN104607472B (en) | 2016-08-17 |
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Cited By (1)
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CN105363786A (en) * | 2015-12-07 | 2016-03-02 | 天津市新宇彩板有限公司 | Roller emulsion ejecting beam |
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SU1210903A2 (en) * | 1984-06-07 | 1986-02-15 | Институт черной металлургии | Injector for atomizing lubricant |
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Patent Citations (6)
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US20100288006A1 (en) * | 2007-09-27 | 2010-11-18 | Steven Spencer | Backing assembly for use in z-mill type rolling mills |
KR20090071136A (en) * | 2007-12-27 | 2009-07-01 | 주식회사 포스코 | Apparatus for cooling hot wire |
CN201702187U (en) * | 2010-07-12 | 2011-01-12 | 新疆八一钢铁股份有限公司 | Compressed air purging device |
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CN105363786A (en) * | 2015-12-07 | 2016-03-02 | 天津市新宇彩板有限公司 | Roller emulsion ejecting beam |
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