CN105861839A - Oxygen separating system used for producing steel wooden door metal material - Google Patents

Oxygen separating system used for producing steel wooden door metal material Download PDF

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Publication number
CN105861839A
CN105861839A CN201610399984.4A CN201610399984A CN105861839A CN 105861839 A CN105861839 A CN 105861839A CN 201610399984 A CN201610399984 A CN 201610399984A CN 105861839 A CN105861839 A CN 105861839A
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CN
China
Prior art keywords
pipe
chamber
conveying
melting chamber
air inlet
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Pending
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CN201610399984.4A
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Chinese (zh)
Inventor
许光
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Chengdu Senbang Shiji Wood Industry Co Ltd
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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.)
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Publication date
Application filed by Chengdu Senbang Shiji Wood Industry Co Ltd filed Critical Chengdu Senbang Shiji Wood Industry Co Ltd
Priority to CN201610399984.4A priority Critical patent/CN105861839A/en
Publication of CN105861839A publication Critical patent/CN105861839A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/001—Dry processes
    • C22B7/003—Dry processes only remelting, e.g. of chips, borings, turnings; apparatus used therefor
    • 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B21/00—Obtaining aluminium
    • C22B21/0084—Obtaining aluminium melting and handling molten aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B21/00—Obtaining aluminium
    • C22B21/06—Obtaining aluminium refining
    • C22B21/064—Obtaining aluminium refining using inert or reactive gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/08—Screw feeders; Screw dischargers
    • 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
    • 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
    • F27M2003/00—Type of treatment of the charge
    • F27M2003/13—Smelting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

The invention discloses an oxygen separating system used for producing a steel wooden door metal material. The oxygen separating system comprises an outer furnace shell, an inner furnace shell and an electric heating layer, a baffle is arranged in the inner furnace shell and internally divides the inner furnace shell into a melting chamber and a refining chamber, a charging pipe is arranged on the outer furnace shell, a connecting pipe, a discharging pipe, a first air inlet pipe, a second air inlet pipe, a second exhausting pipe, a first exhausting pipe and a conveying pipe are arranged outside the outer furnace shell, and a conveying shaft is arranged in the conveying pipe, penetrates through the end face of the conveying pipe to the outer space and is connected with a driving device, and a spiral blade is arranged around the conveying shaft. The feeding mode is improved, a workpiece can be conveyed to the melting chamber while preheated, the refining chamber and a casting box are arranged, mixed gas is introduced into molten aluminum in the refining chamber to remove aluminum oxide and hydrogen in the molten aluminum, the quality of the molten aluminum is improved, and it is ensured that the molten aluminum does not make contact with air in the casting process; the working environment is improved as a tail gas purifying device is further arranged.

Description

The oxygen separation system produced for steel timber metal charge
Technical field
The present invention relates to a kind of metallurgical plant, be particularly used for the oxygen separation system that steel timber metal charge produces.
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.But, on the one hand, traditional fusing stove all uses when preheated metallic and is separately provided preheating furnace and preheats, again the workpiece after preheating taken out after having preheated and add to fusing stove, do so not only increases the workload of operator, and increases thermal energy consumption so that production efficiency is low；On the other hand, traditional fusing stove only has the function melting aluminium alloy, can contact with the oxygen in air and hydrogen with aluminium alloy in casting cycle in charging, fusing, make the foundry goods obtained have pore, be mingled with, the defect such as loosen, directly affecting the physical property of aluminium alloy castings, mechanical property and serviceability, if quality of aluminum alloy casting parts is low, follow-up casting technique is the most advanced, the defect being initially present in aluminium alloy castings still can exist, it is difficult to eliminates.
Summary of the invention
The technical problem to be solved is for the shortcoming of conventional fused stove, thering is provided the oxygen separation system produced for steel timber metal charge, solving conventional fused stove needs additionally to arrange preheating furnace and causes that production efficiency is low, aluminum liquid ingress of air in the course of processing, do not possesses refine effect and cause the problem that quality of aluminum alloy casting parts is low.
nullThe present invention is achieved through the following technical solutions: the oxygen separation system produced for steel timber metal charge，Including stove outer covering and charge pipe，Stove inner shell it is provided with inside described stove outer covering，It is provided with electric heating layer between stove outer covering and stove inner shell，Stove inner housing inner is provided with baffle plate，The inner space of stove inner shell is divided into two parts by described baffle plate，Wherein top is divided into melting chamber，Bottom is divided into refining chamber，The outside of stove outer covering is provided with connecting tube、Drainage conduit、First air inlet pipe、Second air inlet pipe、Downtake pipe、Second exhaust pipe and conveying pipe，Wherein，Described connecting tube connection melting chamber and refining chamber，Also include foundry goods case，Drainage conduit connection foundry goods case and refining chamber，First air inlet pipe connection space outerpace、Melting chamber and refining chamber，Second air inlet pipe connection space outerpace and refining chamber，Downtake pipe connection space outerpace and melting chamber，Described conveying pipe runs through stove outer covering side in melting chamber，Conveying pipe one end connects with melting chamber，The end face of the other end is closed，It is connected above charge pipe outside conveying pipe，Inside described charge pipe connection space outerpace and conveying pipe，It is provided with conveying axis in conveying pipe，Described conveying axis runs through conveying end surfaces has driving means to space outerpace and connection，Conveying axis is provided with helical blade.Prior art is in order to solve workpiece Preheating to be melted, typically preheating furnace is set specially, preheating furnace needs individually heating, the waste energy, and after preheated workpiece being taken out from preheating furnace, owing to workpiece is metal, can dispel the heat with speed faster, traditional method needs operator take out workpiece from preheating furnace and put the workpiece in fusing stove, reduce production efficiency, this device improves feed way, can preheat while conveying workpieces, preheat in conveying pipe when workpiece enters melting chamber and completed, save the process time, decrease the operational ton of workman；On the other hand, in charging, preheating, fusing, casting stage Al alloy parts or aluminum liquid can contact oxygen and cause quality of aluminum alloy casting parts low, even if subsequent technique is the most advanced, the mass defect initially produced cannot be eliminated, defect according to conventional fused stove, this device is provided with protection gas, in charging, preheating, fusing and casting stage can make workpiece or aluminum liquid and air exclusion, protection gas in the course of processing is first protection, refining chamber is second protection, by being passed through chlorine in refining chamber, the mixed gas of carbon monoxide and nitrogen reaches to remove the aluminium oxide in aluminum liquid and the purpose of hydrogen.nullWhen using this device，When using this device，By the first air inlet pipe connective protection gas cylinder，Downtake pipe connection vacuum pump，Open connecting tube，Remaining each closedown of pipeline，Then pass to protect gas to melting chamber、Replace inside refining chamber and foundry goods case，After having replaced，Close connecting tube，Downtake pipe is connected air or be passed through observation oil in seen whether that bubble produces，The circulation of gas is protected in keeping fusing stove and foundry goods case，It is then turned on electric heating layer，By the temperature monitoring being arranged in melting chamber, the temperature of melting chamber is controlled at 200 to 300 °，Close downtake pipe afterwards，Open the first air inlet pipe angle valve further，Increase the intake of protection gas，Then charge pipe is opened，At this moment protection gas is discharged from charge pipe，Open the upper driving means connected of conveying pipe，The outfan of driving means drives conveying axis to rotate，Thus drive helical blade to rotate，Then workpiece to be melted is poured into carrying pipe from charge door，Workpiece to be melted is gradually delivered in melting chamber by helical blade in conveying pipe，Owing to melting chamber has temperature，So conveying pipe also has certain temperature，The steam that surface of the work to be melted evaporates is taken out of by the protective gas flow through from surface of the work to be melted from charge door，Workpiece to be melted after the steam getting rid of surface along with helical blade is heated while entering in melting chamber，During whole charging，Protection gas not only acts as the effect of isolation air，Also make the preheating of workpiece to be melted more fully and taken away the steam of surface of the work.nullWhen 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 charge pipe，Open downtake pipe，Keep protected gas in melting chamber and foundry goods case，After melting a part of workpiece，Open connecting tube，The aluminum liquid stream melted in melting chamber is made to enter in refining chamber，By the second air inlet pipe connection gaseous mixture steel cylinder，Open the second air inlet pipe and second exhaust pipe，Aluminum liquid after fusing is passed through mixed gas，Chlorine in mixed gas can react with aluminium oxide and generate oxygen and aluminum chloride，Carbon monoxide in oxygen and mixed gas can generate carbon dioxide，Thus eliminate aluminium oxide present in aluminum liquid，Nitrogen in mixed gas can take the hydrogen being adsorbed in aluminum liquid out of，Additionally，Aluminum chloride at high temperature can distil，Together discharge with mixed gas，As mentioned above，Aluminium oxide that mixed gas can be taken out of in refining chamber in aluminum liquid and hydrogen，Reach to purify the effect of aluminum liquid，After refine，Open drainage conduit，Aluminum liquid is entered in foundry goods case by drainage conduit，Carry out cast molding，Because protected gas in foundry goods case，Make the cast molding in the environment of isolation air of aluminum liquid，Additionally，The most protected gas shielded when this device melts workpiece in melting chamber，Workpiece and air contact are further completely cut off.
Further, exhaust gas cleaner, described second exhaust pipe connection refining chamber and exhaust gas cleaner are also included.Because mixed gas has chlorine, so, the responseless chlorine of part can be discharged in air together along with mixed gas, and the health of operator is caused damage by aggravating working environment, also can corrode equipment.Therefore, being connected in exhaust gas cleaner by downtake pipe, fill sodium hydroxide solution and can remove chlorine in exhaust gas cleaner, downtake pipe is deep in sodium hydroxide solution removing effect can be more preferably, after removing chlorine, tail gas is entered in air by second exhaust pipe.
Further, described connecting tube is positioned at the one end within melting chamber and is provided with filter screen, and one end that described drainage conduit is positioned within refining chamber is provided with filter screen.Arranging the workpiece that filter screen is possible to prevent not to be completely melt and block connecting tube and drainage conduit, causing cannot cast molding continuously.
Further, the outfan of described driving means is connected with conveying axis part and described connecting tube use resistant to elevated temperatures adiabator.Fusing indoor temperature is higher; if conveying axis uses metal material entirely; can transfer heat to driving means causes driving means to receive damage; so the outfan of driving means and the connection of conveying axis connect part and use resistant to elevated temperatures adiabator to protect driving means, the purpose of connecting tube employing high-temperature resistant thermal insulating material is to ensure that when aluminum liquid flows out from melting chamber and heat will not be caused because of the low temperature of free surrounding space to scatter and disappear.
Further, in described first air inlet pipe, threeway is set, the first air inlet pipe is provided with Pressure gauge, described second air inlet pipe in the one end within refining chamber bottom refining chamber.Arranging threeway can make operator preferably control to protect gas; such as; when the aluminum liquid in melting chamber has been introduced in refining chamber; can regulate threeway makes protection gas not enter melting chamber and only lead in foundry goods case; arranging Pressure gauge can allow operator know the pressure in melting chamber, and aspect operator replace；The purpose arranging the second air inlet pipe is mixed gas to be passed directly in aluminum liquid, reaches preferably to remove the purpose of aluminium oxide and hydrogen in aluminum liquid.
Further, there is gap at the edge of described helical blade with the inwall of conveying pipe, and gap is less than the blade face radius of helical blade.The inwall of the edge of helical blade and conveying pipe is it is necessary to have gap, otherwise all can wear and tear in the inner side of the edge of helical blade and conveying pipe, and driving means can be caused higher workload, but gap can not be too big, and otherwise helical blade no longer has the function promoting workpiece to be melted to enter melting chamber.
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 refining chamber, rotary shaft part above baffle plate connects the first stirring paddle, and rotary shaft bottom connects the second stirring paddle.Can melt workpiece more quickly by stirring, improve the work efficiency of melting chamber, the second stirring paddle in refining chamber can make mixed gas and aluminum liquid be fully contacted thus improve refining effect.
Further, 3/4ths of a length of melting chamber radius of described first 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, and the workpiece in melting chamber can be stirred the most uniformly by the driving means i.e. connecting rotary shaft with minimum workload.
Further, 2/3rds of a length of first stirring paddle length of described second stirring paddle.Found by production practices, the a length of first stirring paddle length of the second stirring paddle 2/3rds time, mixing effect in refining chamber is optimal, because refining chamber is not required to the most violent stirring, its purpose is primarily to make mixed gas react more abundant with aluminum liquid.
Further, the part that the outfan of described driving means is connected with rotary shaft is resistant to elevated temperatures adiabator.The purpose so arranged is also to protection and connects the driving means of 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 changes feeding manner, makes traditional feed pipe possess the function of preheating workpiece to be melted, decreases the work load of operator, save fusing time, saved heat energy, improve production efficiency；
2, the present invention is provided with refining chamber, by being passed through mixed gas in the aluminum liquid in refining chamber, reaches to remove the aluminium oxide in aluminum liquid and hydrogen, improves the quality of aluminum liquid, beneficially subsequent technique；
3, the present invention is by arranging protection gas and foundry goods case; stop foundry goods feed, preheat, melt and in casting cycle with air contact, feeding, preheat, melt and all prevent with the casting stage foundry goods because aoxidizing and contacting the problem that caused casting quality is low with steam；
4, the present invention devises exhaust gas processing device, it is possible to effectively remove chlorine, it is to avoid it is passed through in air and causes damage operator and plant equipment；
5, 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, improves the work efficiency of fusing stove 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-connecting tube, 5-second exhaust pipe, 6-exhaust gas cleaner, 7-helical blade, 8-conveying axis, 9-carries pipe, 10-charge pipe, 11-drainage conduit, 12-the second air inlet pipe, 13-the first air inlet pipe, 14-downtake pipe, 15-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
nullAs shown in Figure 1，The present invention is the oxygen separation system produced for steel timber metal charge，Including stove outer covering 1 and charge pipe 10，It is provided with stove inner shell 2 inside described stove outer covering 1，Electric heating layer 3 it is provided with between stove outer covering 1 and stove inner shell 2，Stove inner shell 2 is internally provided with baffle plate，The inner space of stove inner shell 2 is divided into two parts by described baffle plate，Wherein top is divided into melting chamber，Bottom is divided into refining chamber，The outside of stove outer covering 1 is provided with connecting tube 4、Drainage conduit 11、First air inlet pipe 13、Second air inlet pipe 12、Downtake pipe 14、Second exhaust pipe 5 and conveying pipe 9，Wherein，Described connecting tube 4 connects melting chamber and refining chamber，Also include foundry goods case，Drainage conduit 11 connects foundry goods case and refining chamber，First air inlet pipe 13 connects space outerpace、Melting chamber and refining chamber，Second air inlet pipe 12 connects space outerpace and refining chamber，Downtake pipe 14 connects space outerpace and melting chamber，Described conveying pipe 9 runs through stove outer covering 1 side in melting chamber，Conveying pipe 9 one end connects with melting chamber，The end face of the other end is closed，It is connected above charge pipe 10 outside conveying pipe 9，Described charge pipe 10 connects space outerpace and conveying pipe 9 is internal，It is provided with conveying axis 8 in conveying pipe 9，Described conveying axis 8 runs through conveying pipe 9 end face has driving means to space outerpace and connection，Conveying axis 8 is provided with helical blade 7.Further, also include that exhaust gas cleaner 6, described second exhaust pipe 5 connect refining chamber and exhaust gas cleaner 6.Further, described connecting tube 4 is positioned at the one end within melting chamber and is provided with filter screen, and one end that described drainage conduit 11 is positioned within refining chamber is provided with filter screen.Further, the outfan of described driving means is connected with conveying axis 8 part and described connecting tube 4 use resistant to elevated temperatures adiabator.Further, in described first air inlet pipe 13, threeway is set, the first air inlet pipe 13 is provided with Pressure gauge, described second air inlet pipe 12 in the one end within refining chamber bottom refining chamber.Further, there is gap at the edge of described helical blade 7 with the inwall of conveying pipe 9, and gap is less than the blade face radius of helical blade 7.Further, described stove outer covering 1 is provided above driving means, and the outfan of described driving means connects has rotary shaft 15, described rotary shaft 15 to run through in stove outer covering 1 to refining chamber, the rotary shaft 15 part above baffle plate connects the first stirring paddle, and rotary shaft 15 bottom connects the second stirring paddle.Further, 3/4ths of a length of melting chamber radius of described first stirring paddle.Further, 2/3rds of a length of first stirring paddle length of described second stirring paddle.Further, the part that the outfan of described driving means is connected with rotary shaft 15 is resistant to elevated temperatures adiabator.nullWhen using this device，Melting chamber is replaced first by nitrogen、Air in refining chamber and foundry goods case，Open electric heating layer 3，By the temperature monitoring being arranged in melting chamber, the temperature of melting chamber is risen to 200 to 300 °，It is then turned on carrying the motor connected on pipe 9，The outfan of motor drives helical blade 7 to rotate by conveying axis 8，Strengthen the air inflow of nitrogen，Close downtake pipe 14，Open charge pipe 10，Gas is discharged from charge pipe 10，Workpiece to be melted is poured into conveying pipe 9 from charge pipe 10，Workpiece to be melted is gradually delivered in melting chamber by helical blade 7 in conveying pipe 9，Workpiece to be melted falls in melting chamber after being gradually heated in conveying pipe 9，After in melting chamber, accumulation portion lease making crosses the workpiece of preheating，Open and be positioned at the motor above stove outer covering 1，Motor drives the first stirring paddle and the second stirring paddle to start stirring by rotary shaft 8，After charging，Close charge pipe 7，Open downtake pipe 12，Nitrogen is kept to circulate in melting chamber and foundry goods case，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，After charging，Close charge pipe 10，Open downtake pipe 14，Nitrogen is made to enter melting chamber and foundry goods case from the first air inlet pipe 13，Reduce the intake of nitrogen，Nitrogen is kept to circulate in melting chamber and foundry goods case，After having melted，Open connecting tube 4，Aluminum liquid enters in refining chamber and is stirred by the second stirring paddle，Open the second air inlet pipe 12，It is passed through mixed gas in aluminum liquid，The ratio of mixed gas is nitrogen: chlorine: carbon monoxide is 8:1:1，Mixed gas is reacted with the aluminum liquid in refining chamber，After removing the aluminium oxide in aluminum liquid and hydrogen，Tail gas is entered in exhaust gas cleaner 6 by second exhaust pipe 5，By react with sodium hydroxide solution remove chlorine after enter back into air，Open the die casting member that drainage conduit 11 is pointed in foundry goods case afterwards，During foundry goods，Adjust the threeway in the first air inlet pipe 13，Nitrogen is made to be directly entered without melting chamber in foundry goods case，Casting cycle is played a protective role，The exhaustor that nitrogen is arranged from foundry goods case enters 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 (10)

  1. null1. the oxygen separation system produced for steel timber metal charge，Including stove outer covering (1) and charge pipe (10)，Described stove outer covering (1) inner side is provided with stove inner shell (2)，Electric heating layer (3) it is provided with between stove outer covering (1) and stove inner shell (2)，It is characterized in that，Stove inner shell (2) is internally provided with baffle plate，The inner space of stove inner shell (2) is divided into two parts by described baffle plate，Wherein top is divided into melting chamber，Bottom is divided into refining chamber，The outside of stove outer covering (1) is provided with connecting tube (4)、Drainage conduit (11)、First air inlet pipe (13)、Second air inlet pipe (12)、Downtake pipe (14)、Second exhaust pipe (5) and conveying pipe (9)，Wherein，Described connecting tube (4) connection melting chamber and refining chamber，Also include foundry goods case，Drainage conduit (11) connection foundry goods case and refining chamber，First air inlet pipe (13) connection space outerpace、Melting chamber and refining chamber，Second air inlet pipe (12) connection space outerpace and refining chamber，Downtake pipe (14) connection space outerpace and melting chamber，Described conveying pipe (9) runs through stove outer covering (1) side in melting chamber，Conveying pipe (9) one end connects with melting chamber，The end face of the other end is closed，Conveying pipe (9) outside is connected above charge pipe (10)，Described charge pipe (10) connection space outerpace and conveying pipe (9) are internal，It is provided with conveying axis (8) in conveying pipe (9)，Described conveying axis (8) runs through conveying pipe (9) end face has driving means to space outerpace and connection，Conveying axis (8) is provided with helical blade (7).
  2. The oxygen separation system produced for steel timber metal charge the most according to claim 1, it is characterised in that also include exhaust gas cleaner (6), described second exhaust pipe (5) connection refining chamber and exhaust gas cleaner (6).
  3. The oxygen separation system produced for steel timber metal charge the most according to claim 1, it is characterised in that described connecting tube (4) is positioned at the one end within melting chamber and is provided with filter screen, and one end that described drainage conduit (11) is positioned within refining chamber is provided with filter screen.
  4. The oxygen separation system produced for steel timber metal charge the most according to claim 1, it is characterised in that part and described connecting tube (4) that the outfan of described driving means is connected with conveying axis (8) use resistant to elevated temperatures adiabator.
  5. The oxygen separation system produced for steel timber metal charge the most according to claim 1, it is characterized in that, in described first air inlet pipe (13), threeway is set, be provided with Pressure gauge in first air inlet pipe (13), described second air inlet pipe (12) in the one end within refining chamber bottom refining chamber.
  6. The oxygen separation system produced for steel timber metal charge the most according to claim 1, it is characterised in that there is gap at the edge of described helical blade (7) with the inwall of conveying pipe (9), gap is less than the blade face radius of helical blade (7).
  7. The oxygen separation system produced for steel timber metal charge 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 (15), described rotary shaft (15) runs through stove outer covering (1) in refining chamber, the rotary shaft (15) part above baffle plate connects the first stirring paddle, and rotary shaft (15) bottom connects the second stirring paddle.
  8. The oxygen separation system produced for steel timber metal charge the most according to claim 7, it is characterised in that 3/4ths of a length of melting chamber radius of described first stirring paddle.
  9. The oxygen separation system produced for steel timber metal charge the most according to claim 7, it is characterised in that 2/3rds of a length of first stirring paddle length of described second stirring paddle.
  10. The oxygen separation system produced for steel timber metal charge the most according to claim 7, it is characterised in that the part that the outfan of described driving means is connected with rotary shaft (15) is resistant to elevated temperatures adiabator.
CN201610399984.4A 2016-06-08 2016-06-08 Oxygen separating system used for producing steel wooden door metal material Pending CN105861839A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610399984.4A CN105861839A (en) 2016-06-08 2016-06-08 Oxygen separating system used for producing steel wooden door metal material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610399984.4A CN105861839A (en) 2016-06-08 2016-06-08 Oxygen separating system used for producing steel wooden door metal material

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CN105861839A true CN105861839A (en) 2016-08-17

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107201451A (en) * 2017-06-16 2017-09-26 浙江鑫耐铝熔铸设备材料有限公司 A kind of aluminium skimmings isothermal melting unit and production technology
CN115780752A (en) * 2023-02-08 2023-03-14 福建省永春双恒铝材有限公司 Aluminum bar manufacturing method suitable for aluminum profile production

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107201451A (en) * 2017-06-16 2017-09-26 浙江鑫耐铝熔铸设备材料有限公司 A kind of aluminium skimmings isothermal melting unit and production technology
CN115780752A (en) * 2023-02-08 2023-03-14 福建省永春双恒铝材有限公司 Aluminum bar manufacturing method suitable for aluminum profile production

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Application publication date: 20160817