CN105841485A - Recovery system for waste materials of aluminum alloy doors and windows - Google Patents

Recovery system for waste materials of aluminum alloy doors and windows Download PDF

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Publication number
CN105841485A
CN105841485A CN201610399994.8A CN201610399994A CN105841485A CN 105841485 A CN105841485 A CN 105841485A CN 201610399994 A CN201610399994 A CN 201610399994A CN 105841485 A CN105841485 A CN 105841485A
Authority
CN
China
Prior art keywords
melting chamber
recovery system
windows
aluminum alloy
alloy doors
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610399994.8A
Other languages
Chinese (zh)
Inventor
许光
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu Senbang Shiji Wood Industry Co Ltd
Original Assignee
Chengdu Senbang Shiji Wood Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chengdu Senbang Shiji Wood Industry Co Ltd filed Critical Chengdu Senbang Shiji Wood Industry Co Ltd
Priority to CN201610399994.8A priority Critical patent/CN105841485A/en
Publication of CN105841485A publication Critical patent/CN105841485A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D21/00—Casting non-ferrous metals or metallic compounds so far as their metallurgical properties are of importance for the casting procedure; Selection of compositions therefor
    • B22D21/02—Casting exceedingly oxidisable non-ferrous metals, e.g. in inert atmosphere
    • B22D21/04—Casting aluminium or magnesium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B14/00—Crucible or pot furnaces
    • F27B14/04—Crucible or pot furnaces adapted for treating the charge in vacuum or special atmosphere
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B14/00—Crucible or pot furnaces
    • F27B14/08—Details peculiar to crucible or pot furnaces
    • F27B14/20—Arrangement of controlling, monitoring, alarm or like devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
    • F27M2001/00—Composition, conformation or state of the charge
    • F27M2001/01—Charges containing mainly non-ferrous metals
    • F27M2001/012—Aluminium

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

The invention discloses a recovery system for waste materials of aluminum alloy doors and windows. The recovery system comprises a furnace outer shell. A furnace inner shell is arranged inside the furnace outer shell. A melting chamber is formed by the inner space of the furnace inner shell. A feed pipe is arranged above the furnace outer shell, penetrates the furnace outer shell and communicates with the melting chamber. A discharge pipe is arranged inside the furnace inner shell. The recovery system further comprises a casting box. The discharge pipe communicates the melting chamber and the casting box. An exhaust pipe and a gas conveying pipe are arranged outside the casting box. The exhaust pipe communicates the casting box and outer space. The gas conveying pipe communicates with the casting box and the melting chamber. A gas inlet pipe is arranged on the furnace outer shell. The gas inlet pipe communicates with the outer space and the melting chamber. An electric heating layer is arranged between the furnace outer shell and the furnace inner shell. Protective gas and the casting box are arranged, and therefore castings are prevented from making contact with air in the melting and casting processes, and the problem that because the castings are oxidized and make contact with water vapor, the casting quality is low is solved.

Description

The recovery system of aluminum alloy doors and windows waste material
Technical field
The present invention relates to a kind of metallurgical plant, be specifically related to the recovery system of aluminum alloy doors and windows waste material.
Background technology
Door and window as in people's daily life often in contact with the article arrived, not only play keep out wind and rain, heat insulation, sound insulation, daylighting, the effect such as ventilation, but also be the important component part of architectural image, their shape, size, color, moulding etc. have critically important impact to the moulded of building.Along with the raising of people's living standard, people are increasing to the demand of door and window, and the requirement to door and window is more and more diversified.
Aluminum alloy doors and windows are important branch of door and window, and aluminum alloy doors and windows refer to that using aluminum alloy extrusion section bar is frame, stile, the door and window of fan material making.Aluminum alloy doors and windows because of have attractive in appearance, seal, intensity high is widely used.The section bar of aluminum alloy doors and windows and glass style are divided into glazing bar style and flower glass style, wherein, glazing bar style is thick with aluminium, style is sedate as main characteristics, and flower glass style is with aluminium various shapes, style vivaciously as main characteristics, and style has lattice, ice sculpture, low relief, brilliant shellfish etc..
In the aluminum alloy doors and windows technological process of production, first operation is exactly blanking, required aluminum alloy frame material and fan material can be obtained by blanking, but, no matter the device of blanking have many accurately and high-end, a lot of discarded leftover pieces will be produced, for a factory, if the loss that will result in flood tide directly thrown away by these discarded leftover pieces, the most a lot of enterprises all select to try every possible means to reclaim these discarded leftover pieces efficiently thus reduce the production cost of aluminum alloy doors and windows to reach to promote the purpose of oneself product competitiveness.
The first step reclaiming aluminium alloy scrap needs to melt these aluminium alloy scraps, and equipment used is fusing stove, and fusing stove can meet aluminum alloy melting technique well.Traditional fusing stove cannot be accomplished well to completely cut off air during fusing and foundry goods, cause the dioxygen oxidation metal liquid in air, the hydrogen that steam in air generates can make to produce serious pin hole on the Mechanical processing of casting face formed, and reduces the quality of foundry goods.
Summary of the invention
The technical problem to be solved is the shortcoming for conventional fused stove, it is provided that the recovery system of aluminum alloy doors and windows waste material, solves the problem that casting quality that traditional fusing stove causes because of molten metal and air contact during fusing and foundry goods is low.
The present invention is achieved through the following technical solutions a kind of tight device of work piece positioning, recovery system including aluminum alloy doors and windows waste material, including stove outer covering, stove inner shell it is provided with inside described stove outer covering, described stove inner housing inner space constitutes melting chamber, stove outer covering is provided above charge pipe, described charge pipe runs through stove outer covering and connects with melting chamber, it is provided with drainage conduit inside stove inner shell, also include foundry goods case, described drainage conduit connection melting chamber and foundry goods case, exhaustor and appendix it is provided with outside foundry goods case, wherein, exhaustor connection foundry goods case and space outerpace, appendix connection foundry goods case and melting chamber, air inlet pipe it is provided with on stove outer covering, air inlet pipe connection space outerpace and melting chamber.It is provided with electric heating layer between stove outer covering and stove inner shell.Prior art is in process of production, serious problem is there is when melting metal especially aluminium alloy, i.e. aluminum liquid can absorb hydrogen, cause producing pin hole on Mechanical processing of casting face thus reduce the quality of product, hydrogen main source in aluminum liquid is the reaction of aluminum liquid and steam, although any instrument used in production all can be dried, but for aluminum liquid, remain humidity, it also can be made to adsorb hydrogen；It addition, oxygen can make molten metal aoxidize present in air, it is unfavorable for the fusing of metal.In sum, if it is possible to make metal not ingress of air during fusing and foundry goods, the quality of foundry goods will be improved.nullWhen using this device，First by air inlet pipe connective protection gas cylinder，Exhaustor connection vacuum pump，Then use protection gas that melting chamber inner space is replaced，After having replaced，Exhaustor is connected air or be passed through observation oil in seen whether that bubble produces，The circulation of gas is protected in keeping melting chamber，Open electric heating layer，By the temperature monitoring being arranged in melting chamber, the temperature of melting chamber is controlled at 200 to 300 °，Afterwards exhaustor cuts out，Open air inlet pipe angle valve further，Increase the intake of protection gas，Open charging lid，At this moment gas is discharged from charge door，Then from charge door, workpiece to be melted is poured into in melting chamber，When after division of labor part in accumulation portion in melting chamber，Continue the temperature of heating melting chamber to 600 to 700 °，After having fed，Close charging lid，Open exhaustor，At this moment protection gas enters melting chamber from air inlet pipe，Enter in foundry goods case by outlet tube and from exhaustor, be finally passed through air or observe in oil，After having melted，Open drainage conduit，Molten metal completes foundry goods by entering in foundry goods case in drainage conduit.Fusing and foundry goods during, in melting chamber and foundry goods case protected gas exist thus make molten metal completely cut off air well, improve the quality of foundry goods.
Further, one end that described drainage conduit is positioned in melting chamber is provided with filter screen.The workpiece that filter screen is possible to prevent not to be completely melt is set and blocks drainage conduit and cause cannot cast molding continuously.
Further, outside described appendix, chiller is installed.After having fed; protection gas enters melting chamber from air inlet pipe; owing in melting chamber, temperature is the highest; protection aspiration also has higher temperature after receiving heat; when being entered in foundry goods case by appendix again, chiller is set outside appendix so that the protection gas entered in foundry goods case does not have the highest temperature and causes extending the molding time of foundry goods.Chiller uses the structure of condensing tube, is provided with the pipeline surrounding appendix in appendix periphery, is passed through and discharges cooling water in the duct and make the high temperature protection by appendix be so incensed that cooling, so that foundry goods molding time shortens.
Further, described appendix is provided with angle valve.Arranging angle valve can make operator better control over the flowing of gas, such as, when charging, closes the angle valve on appendix, protection gas can be made will not to enter in foundry goods case and directly discharge from the charging mouth of pipe.
Further, described air inlet pipe is provided with Pressure gauge.Arranging pressure that Pressure gauge can make operator observe in melting chamber and check air-tightness, the operation making displacement protection gas is more smooth.
Further, described stove outer covering is provided above driving means, and the outfan of described driving means connects has rotary shaft, described rotary shaft to run through stove outer covering in melting chamber, and rotary shaft lower end connects stirring paddle.Workpiece can be melted more quickly by stirring, improve the work efficiency of melting chamber.
Further, 3/4ths of a length of melting chamber radius of described stirring paddle.Found by production practices, a length of melting chamber radius of stirring paddle 3/4ths time, the work efficiency of melting chamber is the highest.
Further, the part that the outfan of described driving means is connected with output shaft is high-temperature resistant thermal insulating material.The purpose so arranged is to protect the driving means connecting rotary shaft so that it is will not produce damage because of the temperature of rotary shaft conduction.
The present invention compared with prior art, has such advantages as and beneficial effect:
1, the present invention is by arranging protection gas and foundry goods case, stop foundry goods in fusing and casting cycle with air contact, it is therefore prevented that foundry goods is because of oxidation and contacts the problem that caused casting quality is low with steam；
2, the present invention is provided around chiller at appendix, and the protection gas after cooling has cooling-down effect when flowing through molten metal surface, shortens the cast molding time；
3, the present invention passes through production practices, finds as 3/4ths of a length of melting chamber radius of stirring paddle, and driving means can reach preferably to stir with less workload, improve the work efficiency of melting chamber further.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by the embodiment of the present invention, constitutes the part of the application, is not intended that the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of semi-section of the present invention.
The parts title of labelling and correspondence in accompanying drawing:
1-stove outer covering, 2-stove inner shell, 3-electric heating layer, 4-stirring paddle, 5-exhaustor, 6-drainage conduit, 7-appendix, 8-air inlet pipe, 9-feed pipe, 10-rotary shaft.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, and the exemplary embodiment of the present invention and explanation thereof are only used for explaining the present invention, not as a limitation of the invention.
Embodiment
As shown in Figure 1, the present invention is the recovery system of aluminum alloy doors and windows waste material, including stove outer covering 1, it is provided with stove inner shell 2 inside described stove outer covering 1, described stove inner shell 2 inner space constitutes melting chamber, stove outer covering 1 is provided above charge pipe 9, described charge pipe 9 runs through stove outer covering 1 and connects with melting chamber, drainage conduit 6 it is provided with inside stove inner shell 2, also include foundry goods case, described drainage conduit 6 connects melting chamber and foundry goods case, exhaustor 5 and appendix 7 it is provided with outside foundry goods case, wherein, exhaustor 5 connects foundry goods case and space outerpace, appendix 7 connects foundry goods case and melting chamber, air inlet pipe 8 it is provided with on stove outer covering 1, air inlet pipe 8 connects space outerpace and melting chamber, electric heating layer 3 it is provided with between stove outer covering 1 and stove inner shell 2.Further, one end that described drainage conduit 6 is positioned in melting chamber is provided with filter screen.Further, outside described appendix 7, chiller is installed.Further, described appendix 7 is provided with angle valve.It is provided with Pressure gauge in described air inlet pipe 8.Described stove outer covering 1 is provided above driving means, and the outfan of described driving means connects has rotary shaft 10, described rotary shaft 10 to run through in stove outer covering 1 to melting chamber, and rotary shaft 10 lower end connects stirring paddle 4.Further, 3/4ths of a length of melting chamber radius of described stirring paddle 4.Further, the part that the outfan of described driving means is connected with output shaft 10 is high-temperature resistant thermal insulating material.nullWhen using this device，First by the air in nitrogen displacement melting chamber，It is then turned on electric heating layer 3，By the temperature monitoring being arranged in melting chamber, the temperature of melting chamber is risen to 200 to 300 °，Then the air inflow of nitrogen is strengthened，Close the angle valve on exhaustor 5 and appendix 7，Open charge door 9 to cover，Gas is discharged from charge door 9，Afterwards workpiece to be melted is poured into melting chamber from charge door 9，When the part workpiece in semi-molten state is piled up in bottom，Open and be positioned at the motor above stove outer covering 1，Motor drives stirring paddle 4 to stir by rotary shaft 10，After charging，Close charge door 9 to cover，Open the angle valve on exhaustor 5 and appendix 7，Make nitrogen after air inlet pipe 8 enters melting chamber，Entered in foundry goods case by appendix 7 again，Enter air eventually through exhaustor 5 or observe in oil，Continue the temperature of heating melting chamber afterwards to 600 to 700 °，The workpiece now piled up bottom melting chamber gradually melts along with stirring，Fusion process keep nitrogen circulate in melting chamber and foundry goods case，After having melted，Open drainage conduit 8 and be pointed to the die casting in foundry goods case，Open the condensing tube outside appendix 7 to lower the temperature to by the nitrogen of appendix 7 simultaneously，Final casting fusing cast molding in the environment of isolation air.
Above-described detailed description of the invention; the purpose of the present invention, technical scheme and beneficial effect are further described; it is it should be understood that; the foregoing is only the detailed description of the invention of the present invention; the protection domain being not intended to limit the present invention; all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. done, should be included within the scope of the present invention.

Claims (8)

  1. null1. the recovery system of aluminum alloy doors and windows waste material，Including stove outer covering (1)，Described stove outer covering (1) inner side is provided with stove inner shell (2)，Described stove inner shell (2) inner space constitutes melting chamber，Stove outer covering (1) is provided above charge pipe (9)，Described charge pipe (9) runs through stove outer covering (1) and connects with melting chamber，Stove inner shell (2) inner side is provided with drainage conduit (6)，It is characterized in that，Also include foundry goods case，Described drainage conduit (6) connection melting chamber and foundry goods case，Exhaustor (5) and appendix (7) it is provided with outside foundry goods case，Wherein，Exhaustor (5) connection foundry goods case and space outerpace，Appendix (7) connection foundry goods case and melting chamber，Air inlet pipe (8) it is provided with on stove outer covering (1)，Air inlet pipe (8) connection space outerpace and melting chamber，Electric heating layer (3) it is provided with between stove outer covering (1) and stove inner shell (2).
  2. The recovery system of aluminum alloy doors and windows waste material the most according to claim 1, it is characterised in that one end that described drainage conduit (6) is positioned in melting chamber is provided with filter screen.
  3. The recovery system of aluminum alloy doors and windows waste material the most according to claim 1, it is characterised in that described appendix (7) outside is provided with chiller.
  4. The recovery system of aluminum alloy doors and windows waste material the most according to claim 1, it is characterised in that described appendix is provided with angle valve on (7).
  5. The recovery system of aluminum alloy doors and windows waste material the most according to claim 1, it is characterised in that described air inlet pipe is provided with Pressure gauge on (8).
  6. The recovery system of aluminum alloy doors and windows waste material the most according to claim 1, it is characterized in that, described stove outer covering (1) is provided above driving means, the outfan of described driving means connects rotary shaft (10), described rotary shaft (10) runs through stove outer covering (1) in melting chamber, and rotary shaft (10) lower end connects stirring paddle (4).
  7. The recovery system of aluminum alloy doors and windows waste material the most according to claim 6, it is characterised in that 3/4ths of a length of melting chamber radius of described stirring paddle (4).
  8. The recovery system of aluminum alloy doors and windows waste material the most according to claim 6, it is characterised in that the part that the outfan of described driving means is connected with output shaft (10) is high-temperature resistant thermal insulating material.
CN201610399994.8A 2016-06-08 2016-06-08 Recovery system for waste materials of aluminum alloy doors and windows Pending CN105841485A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610399994.8A CN105841485A (en) 2016-06-08 2016-06-08 Recovery system for waste materials of aluminum alloy doors and windows

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610399994.8A CN105841485A (en) 2016-06-08 2016-06-08 Recovery system for waste materials of aluminum alloy doors and windows

Publications (1)

Publication Number Publication Date
CN105841485A true CN105841485A (en) 2016-08-10

Family

ID=56575613

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610399994.8A Pending CN105841485A (en) 2016-06-08 2016-06-08 Recovery system for waste materials of aluminum alloy doors and windows

Country Status (1)

Country Link
CN (1) CN105841485A (en)

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WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20160810