CN102492901A - Production method of aluminum alloy plates for high-pressure containers - Google Patents
Production method of aluminum alloy plates for high-pressure containers Download PDFInfo
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- CN102492901A CN102492901A CN2011104155826A CN201110415582A CN102492901A CN 102492901 A CN102492901 A CN 102492901A CN 2011104155826 A CN2011104155826 A CN 2011104155826A CN 201110415582 A CN201110415582 A CN 201110415582A CN 102492901 A CN102492901 A CN 102492901A
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Abstract
The invention provides a production method of aluminum alloy plates for high-pressure containers, which is used for processing rolled aluminum alloy sheets into aluminum alloy plates by annealing. The production method includes steps of feeding the aluminum alloy sheets into a roller bottom type heating furnace piece by piece, separating two adjacent aluminum alloy sheets, heating and preserving for a certain time so that heat-preserved plates are obtained; conveying the heat-preserved plates to a cooling section, cooling the same so as to obtain the cooled plates, and straightening the cooled plates. When the aluminum alloy sheets are arranged at intervals and heated, greasy dirt left on the aluminum alloy sheets after rolling can be volatilized under high temperature, and greasy stain on the aluminum alloy plates after being taken out is avoided. Meanwhile, the problem that the aluminum alloy plates are adhered and damaged under local ultrahigh temperature caused by stacking is avoided. The aluminum alloy plates are produced by the production method of annealing of the roller bottom type heating furnace, and greasy dirt and adhering damages on the surface of the plates are avoided. The invention further provides an aluminum alloy plate for the high-pressure containers.
Description
Technical field
The present invention relates to the metalworking technology field, more particularly, relate to the working method of a kind of high pressure vessel with aluminum alloy plate materials.
Background technology
Pressurized vessel is meant splendid attire gas or liquid, carries the Sealing Arrangement of certain pressure.The purposes of pressurized vessel is very extensive, the equipment that it all plays an important role in each department of national economy such as petrochemical industry, energy industry, scientific research and military project.Pressurized vessel generally constitutes container body by six major parts such as cylindrical shell, end socket, flange, sealing element, perforate, adapter and bearings.In addition, also be furnished with security device, table is taken into account the internals of accomplishing the various processes effect.Pressurized vessel is divided into low pressure vessel, medium pressure vessel, high pressure vessel and ultrahigh pressure vessel according to the grade of bearing pressure.Traditional high pressure vessel is employed in the method that heats in the box-annealing furnace with aluminum alloy plate materials to carry out, and in the heat-processed, normally will put in order the buttress panel material and put in the box-type furnace, then processing through heating anneal.
Adopt the method for box-type furnace heating anneal; Because sheet material adopts overlapped disposing way, after heat-processed is accomplished, between the sheet material because rolling residual greasy dirt is not volatile; Make a part of greasy dirt residue between the eclipsed sheet material, cause plate surface to be easy to generate oil mark.Simultaneously,, make in the heat-processed that partial temperature is too high between the sheet material, cause easily to produce sticking phenomenon of hindering between the sheet material, had a strong impact on the surface quality of processing back aluminum alloy plate materials because the overlapping of sheet material put.Easy to use for aluminum alloy plate materials; Sheet material after heating anneal is handled need be to its processing of aligning; Existing method for aligning is handled for the sheet material after adopting roller leveler to processing; Yet be easy to generate impression in the aligning process, further influenced the surface quality of aluminum alloy plate materials.
Therefore, how to realize avoiding plate surface to produce greasy dirt, sticking phenomenon of hindering, the surface quality of avoiding aligning process influence sheet material simultaneously is present those skilled in the art's problem demanding prompt solution.
Summary of the invention
In view of this, the invention provides the working method of a kind of high pressure vessel, to realize avoiding plate surface to produce greasy dirt, sticking phenomenon of hindering, the surface quality of avoiding aligning process influence sheet material simultaneously with aluminum alloy plate materials.
In order to achieve the above object, the present invention provides following technical scheme:
A kind of high pressure vessel is used for the aluminum laminate film after rolling is processed into aluminum alloy plate materials through annealing with the working method of aluminum alloy plate materials, comprises step:
1) said aluminum laminate film is put into roller hearth type heating furnace piecewise, adjacent said aluminum laminate film is separated each other, heating and insulation for some time, the plate after obtaining being incubated;
2) plate after the said insulation is transported to cooling section, the cooling back obtains cooled plate;
3) said cooled plate is aligned.
Preferably, in the working method of above-mentioned aluminum alloy plate materials, on the charging roller that is placed into said roller hearth type heating furnace that said aluminum laminate film is neat.
Preferably, in the working method of above-mentioned aluminum alloy plate materials, be arranged at the start time of the cooling-water pump of said cooling section before the said soaking time end.
Preferably, in the working method of above-mentioned aluminum alloy plate materials, when being arranged at the said soaking time end of distance 5min said start time.
Preferably, in the working method of above-mentioned aluminum alloy plate materials, the said spray that is cooled to cools off.
Preferably, in the working method of above-mentioned aluminum alloy plate materials, said cooled plate is provided with before aligning and dries up technology.
Preferably, in the working method of above-mentioned aluminum alloy plate materials, said aligning is tension leveling.
A kind of high pressure vessel is used aluminum alloy plate materials, and said high pressure vessel is processed by the working method of aforesaid high pressure vessel with aluminum alloy plate materials with aluminum alloy plate materials.
High pressure vessel provided by the invention is with the working method of aluminum alloy plate materials; Be used for the aluminum laminate film after rolling is processed into aluminum alloy plate materials through annealing; Comprise aluminum laminate film is put into roller hearth type heating furnace piecewise; Adjacent aluminum laminate film is separated each other, heating and insulation for some time, the plate after obtaining being incubated; Plate after the insulation is transported to cooling section, and the cooling back obtains cooled plate; Cooled plate aligned obtain aluminum alloy plate materials.Roller hearth type heating furnace has guaranteed that aluminum laminate film can be placed in the process furnace piecewise, and can separate each other, after separating between the adjacent aluminum laminate film; When in process furnace, heating; Because rolling back residual greasy dirt falls through vaporization at high temperature, can avoid aluminum laminate film to take out afterwards and leave oil mark on it, simultaneously on the aluminum alloy plate materials; The decoration form that adopts aluminum laminate film to separate; When aluminum laminate film is heated to high temperature, the too high aluminum laminate film that causes of local temperature can not occur occurring and occur stickingly hindering phenomenon owing to overlapping each other, obtain the qualified aluminum alloy plate materials of surface quality.High pressure vessel provided by the invention has realized avoiding plate surface to produce greasy dirt, sticking phenomenon of hindering with the working method of aluminum alloy plate materials.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the workflow diagram of high pressure vessel provided by the invention with the working method of aluminum alloy plate materials.
Embodiment
The invention discloses the working method of a kind of high pressure vessel, to realize avoiding plate surface to produce greasy dirt, sticking phenomenon of hindering, the surface quality of avoiding aligning process influence sheet material simultaneously with aluminum alloy plate materials.
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, complete description, obviously, described true example only is the true example of the present invention's part, rather than whole embodiment.Based on embodiments of the invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
As shown in Figure 1, Fig. 1 is the workflow diagram of high pressure vessel provided by the invention with the working method of aluminum alloy plate materials.
A kind of high pressure vessel is used for the aluminum laminate film after rolling is added the engineering aluminum alloy plate materials through annealing with the working method of aluminum alloy plate materials, comprises that step 1) puts into roller hearth type heating furnace piecewise with aluminum laminate film; Adjacent aluminum laminate film is separated each other, heating and insulation for some time, the plate after obtaining being incubated; Aluminum laminate film piecewise put into process furnace, and separate each other, between adjacent aluminum laminate film, just left certain space like this; This space can realize in the process furnace that high temperature air circulates in the space between aluminum laminate film when heating, reach certain high temperature after; After the greasy dirt that in the operation of rolling, the produces volatilization of adhering on the aluminum laminate film, from the space, flow out, simultaneously; Space between the aluminum laminate film makes and can not have the eclipsed dead angle between the adjacent plate, has avoided the greasy dirt volatilization totally after shifting out process furnace, not stay oil mark on the aluminum laminate film, simultaneously; Owing to the eclipsed part can not occur between the aluminum laminate film; After aluminum laminate film arrives certain high temperature, the high temperature bond that occurs between the adjacent aluminum laminate film can not appear yet, can not produce damage to the surface of aluminum laminate film.
2) plate after will being incubated is transported to cooling section; The cooling back obtains cooled plate; Aluminum laminate film after heat has carried out the processing of destressing, change in organization etc.; Cool off the hardness that can reduce aluminum laminate film to the plate after being incubated this moment, eliminates unrelieved stress, reaches the annealed purpose.
3) cooled plate is aligned, aligning can eliminate that the wooden dipper of plate is bent, and it is straight that plate is close to, and the aluminum laminate film behind the aligning can reach certain surface finish, is beneficial in the production process of high pressure vessel to carry out cutting or welding.
Working method through above aluminum alloy plate materials can draw, and the working method of aluminum alloy plate materials provided by the invention realizes avoiding plate surface to produce greasy dirt, sticking phenomenon of hindering, and has improved the surface quality of aluminum alloy plate materials.
In order further to optimize technique scheme; In the working method of above-mentioned aluminum alloy plate materials; On the charging roller that is placed into roller hearth type heating furnace that aluminum laminate film is neat; The charging roller of process furnace can realize that the aluminum laminate film inside that is transported to process furnace piecewise that need are heated carries out heat tracing, and can realize the conveying of the aluminum laminate film of different size, and transportation work is carried out fast.Simultaneously, charging roller can realize the neat nonoverlapping inside that is put into process furnace of aluminum laminate film, so that normally the carrying out of annealing work.Process furnace can to its parameter such as Heating temperature, heat-up time or and multiple parameter such as cooling water flow regulate, to adapt to the annealing needs of different aluminum alloys plate specification.
In order further to optimize technique scheme, in the working method of above-mentioned aluminum alloy plate materials, be arranged at the start time of the cooling-water pump of cooling section before the soaking time end, concrete, when being arranged at start time apart from soaking time end 5min.Cooling-water pump is used for for the aluminum laminate film after the insulation in the process furnace water coolant being provided; Start cooling-water pump in advance, when the aluminum laminate film after the insulation took out in by process furnace, cooling section can directly cool off water spray to it; Simultaneously; Because cooling-water pump opens in advance, the flow of stable water coolant can be provided for the aluminum laminate film after the insulation, open cooling-water pump simultaneously after having avoided insulation to finish and cause the initial insufficient water of water coolant; Make that the aluminum laminate film cooling after the insulation that begins to take out most is not thorough, can not reach cooling purpose.Concrete, be cooled to the spray cooling.Adopt spray refrigerative method that a plurality of shower nozzles can be set; When having debugged the industrial flow of shower nozzle in advance, shower nozzle can realize that the aluminum laminate film after the insulation is carried out segmentation repeatedly to be cooled off, and has realized continual and steady the carrying out of process of cooling; Make cooling thoroughly, reach the requirement of annealing postcooling.
Cooled plate is provided with before aligning and dries up technology; Increase dries up the cooled operation that dries up of technology can remove aluminum laminate film remaining water in surface after cooling off; Residually bring subsequent processing into after water is arranged to prevent that its surface from going up, so not only cause processing environment poor.Also can bring the hidden danger that is difficult for processing for subsequent processing.
In order further to optimize technique scheme, in the working method of above-mentioned aluminum alloy plate materials, cooled aluminum laminate film need be aligned processing, and straightening process is taked the technology of tension leveling.After cold rolling thin plate is annealed, tend to produce not good plate shape, for example, the limit portion ratio of elongation middle part extension of thin plate has just formed unrestrained limit when big; Middle part ratio of elongation limit portion extends that just to have formed wooden dipper when big bent.In order to reach follow-up processing request; Need align aluminum laminate film, the employing stretching straightener of aligning processing can obtain good plate shape; After stretch-bend leveller; Can thoroughly eliminate the bent and slight camber in unrestrained limit, shape wave, wooden dipper of plate face, thereby, the planeness of thin plate improved greatly.Simultaneously, tension leveling helps improving anisotropy of material, as adding man-hour at thin plate do deep-draw, can be produced inequality because the extension of each one is different by each thickness towards part, is produced the scallop defective thereby can make towards part, causes dashing increasing of useless rate therefrom.After stretch-bend leveller, this situation is improved greatly.At last, tension leveling can be eliminated the formation of yield point elongation, prevention slip line.And, adopted tension leveling to avoid aluminum alloy sheet material surface the problem of impression to occur, improved the surface quality of aluminum alloy plate materials.
High pressure vessel provided by the invention is with the working method of aluminum alloy plate materials; Avoided in the employing batch annealing that aluminum laminate film is overlapping puts annealing; Cause not volatile easy generation greasy dirt of plate surface and oil contaminant and the overlapping heating of aluminum laminate film can cause the sticking problem of hindering in the too high surface that causes of local temperature, improved the quality of aluminum alloy sheet material surface.Simultaneously; Adopt the method for tension leveling; Aluminum alloy sheet material surface produces the problem of impression when having avoided using the roller leveler aligning; To sum up can draw, the working method of aluminum alloy plate materials provided by the invention avoids plate surface to produce greasy dirt, sticking phenomenon of hindering, the surface quality of avoiding aligning process influence sheet material simultaneously.
Based on the working method of above-mentioned high pressure vessel with aluminum alloy plate materials; The present invention also provides a kind of high pressure vessel to use aluminum alloy plate materials; This high pressure vessel is processed by the working method of the high pressure vessel described in the foregoing description with aluminum alloy plate materials with aluminum alloy plate materials; Because of this high pressure vessel is processed by the working method of the high pressure vessel described in the foregoing description with aluminum alloy plate materials with aluminum alloy plate materials; So the high pressure vessel that is brought with the working method of aluminum alloy plate materials by high pressure vessel please refer to the foregoing description with the beneficial effect of aluminum alloy plate materials, repeats no more here.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (8)
1. a high pressure vessel is used for the aluminum laminate film after rolling is processed into aluminum alloy plate materials through annealing with the working method of aluminum alloy plate materials, it is characterized in that, comprises step:
1) said aluminum laminate film is put into roller hearth type heating furnace piecewise, adjacent said aluminum laminate film is separated each other, heating and insulation for some time, the plate after obtaining being incubated;
2) plate after the said insulation is transported to cooling section, the cooling back obtains cooled plate;
3) said cooled plate is aligned.
2. the working method of aluminum alloy plate materials according to claim 1 is characterized in that, on the charging roller that is placed into said roller hearth type heating furnace that said aluminum laminate film is neat.
3. the working method of aluminum alloy plate materials according to claim 1 is characterized in that, is arranged at the start time of the cooling-water pump of said cooling section before the said soaking time end.
4. according to the working method of aluminum alloy plate materials according to claim 3, it is characterized in that, when being arranged at the said soaking time end of distance 5min said start time.
5. the working method of aluminum alloy plate materials according to claim 1 is characterized in that, the said spray that is cooled to cools off.
6. the working method of aluminum alloy plate materials according to claim 1 is characterized in that, said cooled plate is provided with before aligning and dries up technology.
7. the working method of aluminum alloy plate materials according to claim 1 is characterized in that, said aligning is tension leveling.
8. a high pressure vessel is used aluminum alloy plate materials, it is characterized in that, said high pressure vessel with aluminum alloy plate materials by processing like the working method of any described high pressure vessel of claim 1-7 with aluminum alloy plate materials.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011104155826A CN102492901A (en) | 2011-12-13 | 2011-12-13 | Production method of aluminum alloy plates for high-pressure containers |
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| CN2011104155826A CN102492901A (en) | 2011-12-13 | 2011-12-13 | Production method of aluminum alloy plates for high-pressure containers |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102703843A (en) * | 2012-06-16 | 2012-10-03 | 无锡海特铝业有限公司 | Aluminum alloy air conditioner pipe heat treatment method |
| CN107723633A (en) * | 2017-10-25 | 2018-02-23 | 陕西海恩得工贸有限公司 | A kind of production method of aluminum alloy plate materials |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102080174A (en) * | 2010-12-17 | 2011-06-01 | 东北轻合金有限责任公司 | Production method of high Mg-Al alloy plate |
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- 2011-12-13 CN CN2011104155826A patent/CN102492901A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102080174A (en) * | 2010-12-17 | 2011-06-01 | 东北轻合金有限责任公司 | Production method of high Mg-Al alloy plate |
Non-Patent Citations (4)
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| 《轻合金加工技术》 19971231 韩山 等 "采用退火隔层改善退火铝板的性能均匀性" 第45页 1-8 第25卷, 第10期 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102703843A (en) * | 2012-06-16 | 2012-10-03 | 无锡海特铝业有限公司 | Aluminum alloy air conditioner pipe heat treatment method |
| CN107723633A (en) * | 2017-10-25 | 2018-02-23 | 陕西海恩得工贸有限公司 | A kind of production method of aluminum alloy plate materials |
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Application publication date: 20120613 |