CN102744261B - Method and device for avoiding working fluid backflow - Google Patents
Method and device for avoiding working fluid backflow Download PDFInfo
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- CN102744261B CN102744261B CN201210280447.XA CN201210280447A CN102744261B CN 102744261 B CN102744261 B CN 102744261B CN 201210280447 A CN201210280447 A CN 201210280447A CN 102744261 B CN102744261 B CN 102744261B
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Abstract
The invention discloses a method and a device for avoiding working fluid backflow. According to the method, during metal plate rolling, compressed air on the outlet side of a cold mill is opened for blowing so as to block working fluid flowing back to the outlet side of the cold mill, and simultaneously a plugging injection beam and a roll injection beam which are arranged on the inlet side of the cold mill are started so as to lead a plurality of nozzles arranged on the plugging injection beam with a certain angle to spray working fluid to block the working fluid flowing back to the inlet side of the cold mill. When the preset length of the processed metal plates is remained, the nozzles of the plugging injection beam and the roll injection beam stop spraying working fluid, and compressed air on the inlet side of the cold mill is opened for blowing so as to block the working fluid remained on the metal plates from flowing back to the inlet side. By aid of the method and the device of the embodiment, the working fluid with certain quantity of motion is used for blocking backflow working fluid, the quality of the processed metal plates cannot be affected, simultaneously use amount of the compressed air is greatly reduced, and resource waste is reduced.
Description
Technical field
The present invention relates to metal manufacture field, in particular, relate to a kind of method and device that prevents that working fluid from refluxing.
Background technology
In process sheet metal being rolled at cold-rolling mill, the roll spray beam of cold-rolling mill entrance side and outlet side can, to the roll ejection working fluid of cold-rolling mill, to reach the object that cold-rolling mill is lubricated or is lowered the temperature, ensure normally carrying out of cold-rolling mill rolling work.And in said process, the problem that often there will be working fluid to reflux, working fluid refluxes and refers to that working fluid is along with the surface of the work metal sheet material on conveyer is to cold-rolling mill entrance side and the mobile phenomenon of outlet side.In metal manufacture field, the impact of the very big degree of existence of working fluid reflux problem the quality of work metal finished product.
In order to address the above problem, conventionally at the inlet side of contact-making surface of cold-rolling mill and work metal and the stripper of outlet side, (its effect is during at band steel broken belt to prior art, prevent from being with steel to be wound around top working roll, and preventing that working fluid is directly splashed on work metal) position installs squeeze roll or scraper plate additional, coordinate the compressed air of the contact-making surface that blows to cold-rolling mill and work metal, to stop working fluid to flow out from production line entrance side and outlet side simultaneously.Can be referring to Fig. 1 and Fig. 2, Fig. 1 is the cold-rolling mill schematic diagram that prior art installs squeeze roll additional, Fig. 2 is the cold-rolling mill schematic diagram that prior art installs scraper plate additional.But in said process, squeeze roll tends to scratch metal surface in the time contacting with work metal, affects metal end product quality; And scraper plate prevents that the effect of working fluid backflow is bad, and need to coordinate a large amount of compressed air to purge, cause compressed-air actuated a large amount of waste.
Summary of the invention
In view of this, the invention provides a kind of method and device that prevents that working fluid from refluxing, prevent that to overcome in prior art the device that working fluid refluxes from can affect metal end product quality and the problem that causes the wasting of resources.For achieving the above object, the invention provides following technical scheme:
Prevent the method that working fluid refluxes, comprising:
The compressed air of open cold milling train outlet side purges, working fluid with from blocking-up to outlet of cold-rolling mill side reflux, shutoff spray beam and the roll spray beam of open cold inlet of rolling mill side simultaneously, to make being multiple nozzle ejection working fluids that fixed angle arranges in described shutoff spray beam, blocking-up is to the working fluid of cold-rolling mill entrance side backflow;
In the time that the residue length of work metal sheet material is less than or equal to preset length, the nozzle of described shutoff spray beam and roll spray beam stops spraying working fluid, the compressed air of simultaneously opening cold-rolling mill entrance side purges, and remains the backflow of working fluid to cold-rolling mill entrance side to block on sheet metal.
Optionally, also comprise:
Stop spraying after working fluid in described shutoff spray beam, collect remaining working fluid in described shutoff spray beam.
Optionally, in the described shutoff spray beam of described collection, remaining working fluid comprises:
Described shutoff spray beam moves to the nozzle guiding gutter that is arranged at its multiple nozzles front, make its multiple nozzles arrive at described nozzle guiding gutter directly over;
Described nozzle guiding gutter is collected and is dripped in described multiple nozzles, remaining working fluid in shutoff spray beam.
Optionally, in the described shutoff spray beam of described collection, remaining working fluid comprises:
The nozzle guiding gutter that is arranged on multiple nozzles front of described shutoff spray beam moves to described shutoff spray beam, make described multiple nozzle arrive at described nozzle guiding gutter directly over;
Described nozzle guiding gutter is collected and is dripped in described multiple nozzles, remaining working fluid in shutoff spray beam.
Optionally, also comprise:
The working fluid that adopts dividing plate to condense in steam condition;
Collect the working fluid condensing on described dividing plate.
Optionally, described cold-rolling mill is reversable cold-rolling machine.
Optionally, described shutoff spray beam is separately positioned on the stripper of described cold-rolling mill entrance side and outlet side.
Prevent the device that working fluid refluxes, comprising:
Compressed air control module, for in the time of rolled metal sheet material, the compressed air of controlling open cold milling train outlet side purges, working fluid with from blocking-up to outlet of cold-rolling mill side reflux, and in the time that the residue length of work metal sheet material is less than or equal to preset length, the compressed air of controlling open cold inlet of rolling mill side purges, and remains the backflow of working fluid to cold-rolling mill entrance side to block on sheet metal;
Shutoff spray beam control module, for in the time of rolled metal sheet material, control shutoff spray beam and the roll spray beam of open cold inlet of rolling mill side, to make to be in described shutoff spray beam multiple nozzles ejection working fluids of fixed angle setting, the working fluid that blocking-up refluxes to cold-rolling mill entrance side, and in the time that the residue length of work metal sheet material is less than or equal to preset length, the nozzle of controlling shutoff spray beam and roll spray beam stops spraying working fluid.
Optionally, also comprise:
Remaining working fluid collection module, for stopping spraying after working fluid in described shutoff spray beam, controls and collects remaining working fluid in described shutoff spray beam.
Optionally, described remaining working fluid collection module comprises:
Shutoff spray beam moves control module, moves to the nozzle guiding gutter that is arranged at its multiple nozzles front for controlling described shutoff spray beam, make its multiple nozzles arrive at described nozzle guiding gutter directly over.
Known via above-mentioned technical scheme, compared with prior art, the embodiment of the invention discloses a kind of method and apparatus that prevents that working fluid from refluxing, described method is in the time of rolled metal sheet material, the compressed air of open cold milling train outlet side purges, working fluid with from blocking-up to outlet of cold-rolling mill side reflux, shutoff spray beam and the roll spray beam of open cold inlet of rolling mill side simultaneously, to make to be in described shutoff spray beam multiple nozzles ejection working fluids of fixed angle setting, the working fluid that blocking-up refluxes to cold-rolling mill entrance side, in the time that work metal sheet material remains default length, the nozzle of described shutoff spray beam and roll spray beam stops spraying working fluid, the compressed air of simultaneously opening cold-rolling mill entrance side purges, to remain the backflow of working fluid to cold-rolling mill entrance side on blocking-up sheet metal.By the disclosed method and apparatus that prevents that working fluid from refluxing of the embodiment of the present invention, employing has the working fluid of the working fluid blocking-up backflow of certain momentum, not only can not affect work metal board quality, greatly reduce compressed-air actuated use amount simultaneously, reduce the wasting of resources.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, other accompanying drawing can also be provided according to the accompanying drawing providing.
Fig. 1 is that prior art adopts squeeze roll to prevent the cold-rolling mill schematic diagram that working fluid refluxes;
Fig. 2 is that the cold-rolling mill schematic diagram that scraper plate prevents that working fluid from refluxing is installed in prior art employing additional;
Fig. 3 is the disclosed method flow diagram that prevents that working fluid from refluxing of the embodiment of the present invention;
Fig. 4 is the disclosed cold-rolling mill schematic diagram that prevents that working fluid from refluxing of the embodiment of the present invention;
Fig. 5 is that the disclosed another kind of the embodiment of the present invention prevents the method flow diagram that working fluid refluxes;
Fig. 6 is the cold-rolling mill schematic diagram of the remaining working fluid of the disclosed collection of the embodiment of the present invention;
Fig. 7 is the flow chart of the remaining working fluid of the disclosed collection of the embodiment of the present invention;
Fig. 8 is that disclosed another of the embodiment of the present invention collected the flow chart of remaining working fluid;
Fig. 9 is the disclosed apparatus structure schematic diagram that prevents that working fluid from refluxing of the embodiment of the present invention;
Figure 10 is that the disclosed another kind of the embodiment of the present invention prevents the apparatus structure schematic diagram that working fluid refluxes.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 3 is the disclosed method flow diagram that prevents that working fluid from refluxing of the embodiment of the present invention, and shown in Figure 3, described method can comprise:
Step 301: the compressed air of open cold milling train outlet side purges, shutoff spray beam and the roll spray beam of open cold inlet of rolling mill side simultaneously, to make to be in described shutoff spray beam multiple nozzles ejection working fluids of fixed angle setting;
Wherein, the compressed air of outlet of cold-rolling mill side purges to be opened, and the roll spray beam (being prior art, not shown in Fig. 3) of outlet side can be closed;
Wherein, have multiple nozzles that arrange horizontal by fixed angle in described shutoff spray beam, the direction of described multiple nozzles is consistent, for spraying working fluid, and the working fluid refluxing along sheet metal surface to there is the working fluid blocking-up of certain momentum; Described shutoff spray beam can be arranged on the transmission device of both sides of cold-rolling mill, also can be arranged on the stripper of cold-rolling mill both sides; The installation diagram of described shutoff spray beam can be referring to Fig. 4, and Fig. 4 is the disclosed cold-rolling mill schematic diagram that prevents that working fluid from refluxing of the embodiment of the present invention; Between described shutoff spray beam and transmission device, to there is the gap of certain distance, and will make multiple nozzle one sides to be installed towards described cold-rolling mill in described shutoff spray beam; Distance between described shutoff spray beam and described cold-rolling mill can arrange according to the circulating flow strength of working fluid, there is no fixed constraints; Angle between described multiple nozzle and horizontal plane with and ejection working fluid speed can dynamically adjust according to the circulating flow strength of the demand of working fluid and working fluid;
Working fluid reflux direction have two, from cold-rolling mill to cold-rolling mill entrance side reflux and from cold-rolling mill to outlet of cold-rolling mill side reflux; In step 301, it is in order to block to the working fluid of outlet of cold-rolling mill side reflux that the compressed air of open cold milling train outlet side purges, and the shutoff spray beam of open cold inlet of rolling mill side is the working fluid refluxing to cold-rolling mill entrance side in order to block; In the embodiment of the present invention, the working fluid refluxing to there is the working fluid blocking-up of certain momentum, replace compressed air to purge with the working fluid ejecting in described shutoff spray beam, the working fluid simultaneously spraying in described shutoff spray beam can be supplied with cold-rolling mill and use, and has saved greatly compressed-air actuated use amount;
Wherein, due to cold-rolling mill in the course of the work, normally entrance side working fluid backflow phenomenon is more serious, and the relative circulating flow strength of outlet side is weak, therefore prevents at cold-rolling mill entrance side that working fluid from refluxing and adopts the working fluid with certain momentum to block the working fluid of backflow; And prevent that in outlet of cold-rolling mill side working fluid backflow from only needing to open compressed air and purging and can realize; Certainly, described cold-rolling mill can be also reversable cold-rolling machine, so described cold-rolling mill can have one-pass roller and two pass time rolling, in one-pass roller process, the entrance side of cold-rolling mill is the outlet side of cold-rolling mill in the two pass time operation of rolling, therefore all needs to have shutoff spray beam and compressed air blowing cleaner in cold-rolling mill both sides;
Step 302: whether the residue length that judges work metal sheet material is less than or equal to preset length, if so, enters step 303; If not, enter step 301;
For fear of the waste of working fluid after sheet metal process finishing, simultaneously stained to cold-rolling mill transmission device for fear of residue working fluid, in the time that the residue length of processing metal sheet material is less than or equal to certain predefined length, stop the injection of working fluid in described cold-rolling mill entrance side shutoff spray beam and roll spray beam, on a need guarantee work metal sheet material, remaining working fluid can maintain the normal rolling work of sheet metal residue length; Described default length can be set the demand of working fluid according to amount and the rolled metal sheet material of described shutoff spray beam and roll spray beam injection working fluid, for example, described default length can be 20 meters, in the time that work metal sheet material residue length equals 20 meters, just need to stop the injection of working fluid in described shutoff spray beam and roll spray beam;
Step 303: the nozzle of shutoff spray beam and roll spray beam stops spraying working fluid, the compressed air of simultaneously opening cold-rolling mill entrance side purges;
In the time that the residue length of work metal sheet material is less than or equal to preset length, described shutoff spray beam and roll spray beam stop spraying working fluid, but the remaining working fluid of sheet metal surface still can reflux to the entrance side of cold-rolling mill, because the amount of working fluid has not now been large especially, now only needs the compressed air of open cold inlet of rolling mill side to purge and can prevent that working fluid from refluxing.
In the present embodiment, in the time of rolled metal sheet material, the compressed air of open cold milling train outlet side purges, working fluid with from blocking-up to outlet of cold-rolling mill side reflux, shutoff spray beam and the roll spray beam of open cold inlet of rolling mill side simultaneously, to make to be in described shutoff spray beam multiple nozzles ejection working fluids of fixed angle setting, the working fluid that blocking-up refluxes to cold-rolling mill entrance side, in the time that work metal sheet material remains default length, the nozzle of described shutoff spray beam and roll spray beam stops spraying working fluid, the compressed air of simultaneously opening cold-rolling mill entrance side purges, to remain the backflow of working fluid to cold-rolling mill entrance side on blocking-up sheet metal.By described method, the working fluid that adopts the working fluid blocking-up with certain momentum to reflux, not only can not affect work metal board quality, has greatly reduced compressed-air actuated use amount simultaneously, has reduced the wasting of resources.
Fig. 5 is that the disclosed another kind of the embodiment of the present invention prevents the method flow diagram that working fluid refluxes, and shown in Figure 5, described method can comprise:
Step 501: the compressed air of open cold milling train outlet side purges, shutoff spray beam and the roll spray beam of open cold inlet of rolling mill side simultaneously, to make to be in described shutoff spray beam multiple nozzles ejection working fluids of fixed angle setting;
Step 502: whether the residue length that judges work metal sheet material is less than or equal to preset length, if so, enters step 503; If not, enter step 501;
Step 503: the nozzle of shutoff spray beam and roll spray beam stops spraying working fluid, the compressed air of simultaneously opening cold-rolling mill entrance side purges;
Step 504: collect remaining working fluid in described shutoff spray beam.Fig. 6 is the cold-rolling mill schematic diagram of the remaining working fluid of the disclosed collection of the embodiment of the present invention, and wherein, in the described shutoff spray beam of described collection, remaining working fluid has different embodiments, introduces wherein two kinds of modes below.
In a schematic example, the process of above-mentioned steps 504 can be referring to Fig. 7, and Fig. 7 is the flow chart of the remaining working fluid of the disclosed collection of the embodiment of the present invention, as shown in Figure 7, can comprise:
Step 701: described shutoff spray beam moves to the nozzle guiding gutter that is arranged at its multiple nozzles front, make its multiple nozzles arrive at described nozzle guiding gutter directly over;
If described shutoff spray beam is arranged on the stripper of described cold-rolling mill both sides, can move by the movement of stripper, if described shutoff spray beam is arranged on the transmission device of cold-rolling mill both sides, need the driving mobile device for its configure dedicated;
Step 702: described nozzle guiding gutter is collected and dripped in described multiple nozzles, remaining working fluid in shutoff spray beam;
Be dropped in the recyclable recycling of working fluid in described nozzle guiding gutter, avoided remaining working fluid to be dropped on sheet metal simultaneously or the conveyer belt of transmission device on cause stained.
In another schematic example, the process of step 504 can be referring to Fig. 8, and Fig. 8 is that disclosed another of the embodiment of the present invention collected the flow chart of remaining working fluid, as shown in Figure 8, can comprise:
Step 801: the nozzle guiding gutter that is arranged on multiple nozzles front of described shutoff spray beam moves to described shutoff spray beam, make described multiple nozzle arrive at described nozzle guiding gutter directly over;
Step 802: described nozzle guiding gutter is collected and dripped in described multiple nozzles, remaining working fluid in shutoff spray beam.
Certainly, the embodiment of collecting working fluid remaining in described shutoff spray beam can be also described shutoff spray beam and the movement adjacent to each other of described nozzle guiding gutter, and in this not go into detail.
In other embodiment, described in prevent that method that working fluid refluxes from can also comprise and adopt the working fluid that condenses in steam condition of dividing plate; Collect the step of the working fluid condensing on described dividing plate, concrete implementation of collecting the working fluid condensing can be also by a guiding gutter is installed under described dividing plate.
In the situation that described cold-rolling mill is reversable cold-rolling machine, the rolling of sheet metal is divided into one-pass roller and two pass time rolling, introduce below in conjunction with Fig. 6 the embodiment that reversable cold-rolling machine prevents that in two kinds of different passage operations of rolling working fluid from refluxing.
The operation of rolling that sheet metal is flowed is left called one-pass roller, and the operation of rolling that sheet metal is flowed is to the right called two pass time rolling; Cold-rolling mill left side is called after machine, cold-rolling mill right side is called before machine.
In the time of one-pass roller, after machine, compressed air purges and opens, and after machine, stripper is stretching out state, the multiple nozzles that are arranged on the shutoff spray beam on stripper after machine be positioned at nozzle guiding gutter directly over; Before machine, compressed air purges and stops, and before machine, stripper is at retracted mode, and the shutoff spray beam on the front stripper of the machine that is arranged on is sprayed working fluid, and the working fluid that blocking-up refluxes along sheet metal, forms stable rolling state.In the time that sheet metal residue length is 20 meters, shutoff spray beam and roll spray beam before machine on stripper stop spraying working fluid, before machine, stripper and shutoff spray beam one stretching on it go out, make nozzle in shutoff spray beam arrive at nozzle guiding gutter directly over, collect remaining working fluid in shutoff spray beam, purge and open with compressed air before opportunity, prevent that on sheet metal, remaining working fluid refluxes, remaining working fluid completes the normal rolling of last 20 meters of sheet metal.
When two pass time rolling, before machine, compressed air purges and opens, and before machine, stripper is stretching out state, the multiple nozzles that are arranged on the shutoff spray beam on stripper before machine be positioned at nozzle guiding gutter directly over; After machine, compressed air purges and stops, and after machine, stripper, at retracted mode, is arranged on the shutoff spray beam on stripper after machine and sprays working fluid, and the working fluid that blocking-up refluxes along sheet metal, forms stable rolling state.In the time that sheet metal residue length is 20 meters, shutoff spray beam and roll spray beam after machine on stripper stop spraying working fluid, after machine, stripper and shutoff spray beam one stretching on it go out, make nozzle in shutoff spray beam arrive at nozzle guiding gutter directly over, collect remaining working fluid in shutoff spray beam, purge and open with compressed air after opportunity, prevent that on sheet metal, remaining working fluid refluxes, remaining working fluid completes the normal rolling of last 20 meters of sheet metal.
Between above-mentioned one-pass roller and the two pass time operation of rolling, can switch, work metal sheet material can, after the rolling of several setting rolling passes, complete process.Its specific implementation process can realize by PLC System Programming, or realizes by other computer programming languages.In a word, its implementation procedure can adopt the automatic control technology to machine in prior art to complete.
In the present embodiment, the described method that prevents working fluid backflow, effectively preventing on the basis that working fluid refluxes, in the different passage operations of rolling, does not need the compressed air of open cold milling train both sides simultaneously to purge, save a large amount of compressed air, thereby reduced the processing cost of sheet metal.
In the disclosed embodiment of the invention described above, describe method in detail, can adopt the device of various ways to realize for method of the present invention, therefore the invention also discloses a kind of device, provide specific embodiment below and be elaborated.
Fig. 9 be the embodiment of the present invention disclosed prevent working fluid reflux apparatus structure schematic diagram, shown in Figure 9, described in prevent working fluid reflux device 90 can comprise:
Compressed air control module 901, for in the time of rolled metal sheet material, the compressed air of controlling open cold milling train outlet side purges, working fluid with from blocking-up to outlet of cold-rolling mill side reflux, and in the time that the residue length of work metal sheet material is less than or equal to preset length, the compressed air of controlling open cold inlet of rolling mill side purges, and remains the backflow of working fluid to cold-rolling mill entrance side to block on sheet metal;
Shutoff spray beam control module 902, for in the time of rolled metal sheet material, control shutoff spray beam and the roll spray beam of open cold inlet of rolling mill side, to make to be in described shutoff spray beam multiple nozzles ejection working fluids of fixed angle setting, the working fluid that blocking-up refluxes to cold-rolling mill entrance side, and in the time that the residue length of work metal sheet material is less than or equal to preset length, the nozzle of controlling shutoff spray beam and roll spray beam stops spraying working fluid.
In other embodiment, the structure of the described device that prevents working fluid backflow can be referring to Figure 10, Figure 10 is that the disclosed another kind of the embodiment of the present invention prevents the apparatus structure schematic diagram that working fluid refluxes, and as shown in figure 10, prevents that the device 100 that working fluid refluxes from can comprise:
Compressed air control module 901, for in the time of rolled metal sheet material, the compressed air of controlling open cold milling train outlet side purges, working fluid with from blocking-up to outlet of cold-rolling mill side reflux, and in the time that the residue length of work metal sheet material is less than or equal to preset length, the compressed air of controlling open cold inlet of rolling mill side purges, and remains the backflow of working fluid to cold-rolling mill entrance side to block on sheet metal;
Shutoff spray beam control module 902, for in the time of rolled metal sheet material, control shutoff spray beam and the roll spray beam of open cold inlet of rolling mill side, to make to be in described shutoff spray beam multiple nozzles ejection working fluids of fixed angle setting, the working fluid that blocking-up refluxes to cold-rolling mill entrance side, and in the time that the residue length of work metal sheet material is less than or equal to preset length, the nozzle of controlling shutoff spray beam and roll spray beam stops spraying working fluid;
Remaining working fluid collection module 1001, for stopping spraying after working fluid in described shutoff spray beam, controls and collects remaining working fluid in described shutoff spray beam.
Wherein, in described remaining working fluid collection module 1001, can comprise that shutoff spray beam moves control module, described shutoff spray beam moves control module and can move to the nozzle guiding gutter that is arranged at its multiple nozzles front for controlling described shutoff spray beam, make its multiple nozzles arrive at described nozzle guiding gutter directly over, thereby make described nozzle guiding gutter collect remaining working fluid in described shutoff spray beam.
In the present embodiment, in the time of rolled metal sheet material, the compressed air that described device can be controlled open cold milling train outlet side purges, working fluid with from blocking-up to outlet of cold-rolling mill side reflux, shutoff spray beam and the roll spray beam of open cold inlet of rolling mill side simultaneously, to make to be in described shutoff spray beam multiple nozzles ejection working fluids of fixed angle setting, the working fluid that blocking-up refluxes to cold-rolling mill entrance side, in the time that work metal sheet material remains default length, the nozzle of described shutoff spray beam and roll spray beam stops spraying working fluid, the compressed air of simultaneously opening cold-rolling mill entrance side purges, to remain the backflow of working fluid to cold-rolling mill entrance side on blocking-up sheet metal.By described device, the working fluid that adopts the working fluid blocking-up with certain momentum to reflux, not only can not affect work metal board quality, has greatly reduced compressed-air actuated use amount simultaneously, has reduced the wasting of resources.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.For the disclosed device of embodiment, because it corresponds to the method disclosed in Example, so description is fairly simple, relevant part illustrates referring to method part.
Also it should be noted that, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, article or the equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, article or equipment.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
The software module that the method for describing in conjunction with embodiment disclosed herein or the step of algorithm can directly use hardware, processor to carry out, or the combination of the two is implemented.Software module can be placed in the storage medium of any other form known in random access memory (RAM), internal memory, read-only storage (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. prevent the method that working fluid refluxes, it is characterized in that, comprising:
The compressed air of open cold milling train outlet side purges, working fluid with from blocking-up to outlet of cold-rolling mill side reflux, shutoff spray beam and the roll spray beam of open cold inlet of rolling mill side simultaneously, to make being multiple nozzle ejection working fluids that fixed angle arranges in described shutoff spray beam, blocking-up is to the working fluid of cold-rolling mill entrance side backflow;
In the time that the residue length of work metal sheet material is less than or equal to preset length, the nozzle of described shutoff spray beam and roll spray beam stops spraying working fluid, the compressed air of simultaneously opening cold-rolling mill entrance side purges, and remains the backflow of working fluid to cold-rolling mill entrance side to block on sheet metal;
Stop spraying after working fluid in described shutoff spray beam, collect remaining working fluid in described shutoff spray beam;
Wherein, in the described shutoff spray beam of described collection, remaining working fluid comprises: described shutoff spray beam moves to the nozzle guiding gutter that is arranged at its multiple nozzles front, make its multiple nozzles arrive at described nozzle guiding gutter directly over; Described nozzle guiding gutter is collected and is dripped in described multiple nozzles, remaining working fluid in shutoff spray beam.
2. method according to claim 1, is characterized in that, also comprises:
The working fluid that adopts dividing plate to condense in steam condition;
Collect the working fluid condensing on described dividing plate.
3. method according to claim 1, is characterized in that, described cold-rolling mill is reversable cold-rolling machine.
4. method according to claim 3, is characterized in that, described shutoff spray beam is separately positioned on the stripper of described cold-rolling mill entrance side and outlet side.
5. prevent the device that working fluid refluxes, it is characterized in that, comprising:
Compressed air control module, for in the time of rolled metal sheet material, the compressed air of controlling open cold milling train outlet side purges, working fluid with from blocking-up to outlet of cold-rolling mill side reflux, and in the time that the residue length of work metal sheet material is less than or equal to preset length, the compressed air of controlling open cold inlet of rolling mill side purges, and remains the backflow of working fluid to cold-rolling mill entrance side to block on sheet metal;
Shutoff spray beam control module, for in the time of rolled metal sheet material, control shutoff spray beam and the roll spray beam of open cold inlet of rolling mill side, to make to be in described shutoff spray beam multiple nozzles ejection working fluids of fixed angle setting, the working fluid that blocking-up refluxes to cold-rolling mill entrance side, and in the time that the residue length of work metal sheet material is less than or equal to preset length, the nozzle of controlling shutoff spray beam and roll spray beam stops spraying working fluid;
Remaining working fluid collection module, for stopping spraying after working fluid in described shutoff spray beam, controls and collects remaining working fluid in described shutoff spray beam;
Described remaining working fluid collection module comprises:
Shutoff spray beam moves control module, moves to the nozzle guiding gutter that is arranged at its multiple nozzles front for controlling described shutoff spray beam, make its multiple nozzles arrive at described nozzle guiding gutter directly over.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210280447.XA CN102744261B (en) | 2012-08-08 | 2012-08-08 | Method and device for avoiding working fluid backflow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210280447.XA CN102744261B (en) | 2012-08-08 | 2012-08-08 | Method and device for avoiding working fluid backflow |
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| CN102744261A CN102744261A (en) | 2012-10-24 |
| CN102744261B true CN102744261B (en) | 2014-07-23 |
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| CN100443206C (en) * | 2006-12-22 | 2008-12-17 | 中冶南方工程技术有限公司 | Method of maintaining stable emulsion spraying during continuous relling of sheet |
| CN201150942Y (en) * | 2007-11-22 | 2008-11-19 | 中国第一重型机械集团公司 | Novel emulsion cleaning device |
| 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 |
-
2012
- 2012-08-08 CN CN201210280447.XA patent/CN102744261B/en not_active Expired - Fee Related
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| CN102744261A (en) | 2012-10-24 |
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Inventor after: Liu Xiquan Inventor after: Zhao Jianbo Inventor after: Song Xiaoyun Inventor after: Shang Yuhua Inventor after: Lu Tongling Inventor after: Duan Fangmin Inventor after: Li Kun Inventor after: Gao Wenhui Inventor after: Li Chengfeng Inventor after: Liu Liying Inventor before: Liu Xiquan Inventor before: Xu Weihua Inventor before: Zhang Kai Inventor before: Wang Yi Inventor before: Gao Wenhui Inventor before: Sun Kai Inventor before: Shang Yuhua Inventor before: Lu Tongling Inventor before: Duan Fangmin Inventor before: Song Xiaoyun Inventor before: Jiang Jie Inventor before: Liu Xiaoming Inventor before: Bian Fang Inventor before: Li Chengfeng |
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Free format text: CORRECT: INVENTOR; FROM: LIU XIQUAN SHANG YUHUA LU TONGLING DUAN FANGMIN SONG XIAOYUN JIANG JIE LIU XIAOMING BIAN FANG LI CHENGFENG XU WEIHUA ZHANG KAI WANG YI GAO WENHUI SUN KAI TO: LIU XIQUAN SONG XIAOYUN SHANG YUHUA LU TONGLING DUAN FANGMIN LI KUN GAO WENHUI LI CHENGFENG LIU LIYING ZHAO JIANBO |
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