CN109708469A - A kind of aluminium bronze undercurrent type smelting furnace of air-pressure guide - Google Patents
A kind of aluminium bronze undercurrent type smelting furnace of air-pressure guide Download PDFInfo
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- CN109708469A CN109708469A CN201811624306.9A CN201811624306A CN109708469A CN 109708469 A CN109708469 A CN 109708469A CN 201811624306 A CN201811624306 A CN 201811624306A CN 109708469 A CN109708469 A CN 109708469A
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Abstract
The invention belongs to smelting furnace technical fields, disclose a kind of aluminium bronze undercurrent type smelting furnace of air-pressure guide.The aluminium bronze undercurrent type smelting furnace of the air-pressure guide, furnace body, spiral heat exchange mechanisms and pressure collection mechanism including bottom right side installation drain pipe, the spiral heat exchange mechanisms are arranged on the side wall of furnace body, and the top open part of furnace body is arranged in pressure collection mechanism.The aluminium bronze undercurrent type smelting furnace of the air-pressure guide, pass through the setting of spiral heat exchange mechanisms, structure using helical cavity around furnace body can increase furnace body volume, graphite electrode generation circuit makes to enter in ceramic feeding all in metal melting inflow helical cavity, the aluminium bronze melted in helical cavity can form loop construction as conducting wire transmission electric current, form the heating structure of intermediate frequency furnace, the intracorporal metal of furnace is heated using current vortex, mode of the electric arc furnaces in conjunction with intermediate frequency furnace is formed, the purpose of a large amount of Metal Meltings of low energy consumption high thermal efficiency is realized.
Description
Technical field
The present invention relates to the technical field of smelting furnace, the aluminium bronze undercurrent type smelting furnace of specially a kind of air-pressure guide.
Background technique
In aluminium bronze melting field, electric arc furnaces and intermediate frequency furnace are most common smelting equipments.
1, electric arc furnace volume is big, typically 3 tons or more, have the enterprise of certain scale just play electric arc furnaces, it
The metal produced is purer；Intermediate frequency furnace: it is more at low cost for opposite electric arc furnaces, it is suitble to medium-sized and small enterprises to use, the metal produced
Impurity is more.
2, electric arc furnaces is power frequency electric；Middle frequency furnace is medium frequency electric, and electric arc furnace thermal efficiency is lower, productivity compared with
Low, manipulation is heavy, and energy consumption is high.
Carry out the overall situation of environmental protection production energetically in current country, how in the case where low energy consumption high thermal efficiency progress
The melting of a large amount of metals is urgent problem.
Summary of the invention
Goal of the invention of the invention is the provision of a kind of aluminium bronze undercurrent type smelting furnace of air-pressure guide, the air-pressure guide
Aluminium bronze undercurrent type smelting furnace realize electric arc furnaces and intermediate frequency furnace combination, energy input cost greatly reduces.
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of aluminium bronze of air-pressure guide is latent
Streaming smelting furnace, furnace body, spiral heat exchange mechanisms and pressure collection mechanism including bottom right side installation drain pipe, the spiral are changed
Heat engine structure is arranged on the side wall of furnace body, and the top open part of furnace body is arranged in pressure collection mechanism, and the drain pipe on furnace body needs
The valve mechanism for installing opening and closing does not do excessive narration as the basic structure of smelting furnace in the prior art herein.
The spiral heat exchange mechanisms include that the helical cavity concentric with furnace body, two power connecting columns and appendix, helical cavity are opened
It is located in the side wall of furnace body, and the top of helical cavity is located at furnace body inner left wall and has opening to be connected to furnace interior, appendix position
It is connected on the outside of furnace body and by switch valve in the bottom end of helical cavity with the inside of helical cavity, the switch valve on appendix is cast steel
Gate valve, two power connecting columns run through the side wall of furnace body and extend respectively in the top and bottom end of helical cavity.
The pressure collection mechanism includes the bell being adapted to furnace body, ceramic feeding funnel, graphite electrode and pressure pusher
Structure, the bell are movably connected on the top end opening of furnace body, and ceramic feeding funnel is fixedly mounted on the inner left wall of furnace body and position
In the upside on helical cavity top, graphite electrode corresponds to the position of ceramic feeding funnel on bell and is directed toward the top of ceramic feeding funnel
End, pressure delivery device are arranged in the upper surface of bell, use three-phase main-frequency electric current to carry out electric arc heated in this programme, so stone
The quantity of electrode ink is three, and graphite electrode is directed toward ceramic feeding funnel and is added just for the aluminium bronze in ceramic feeding funnel
Heat is adjusted heating intensity by graphite electrode intensity and belongs to well-known technique, graphite electricity as the basic heating structure of electric arc furnaces
The heating intensity of pole need to control between the fusing point and aluminium bronze fusing point of iron net.
The pressure delivery device includes outer cylinder of the roof with one-way cock, gas receiver and three-way pipeline, the list on outer cylinder
It is directed toward outer barrel to the inlet end of valve, the outer cylinder is fixedly connected on the right side of bell upper surface, and gas receiver is arranged outside
On the inner left wall of cylinder, gas receiver includes that left housing, right wall are equipped with right shell, retractable sack, energy-stored spring and the compression plate of check valve, right
Check valve inlet end on shell is directed toward inside right shell, and the left side of the left housing is fixedly connected on outer cylinder inner left wall, right shell
Open end is flexibly connected by retractable sack with the open end of left housing, and the right side of compression plate passes through the interior right side of energy-stored spring and right shell
Wall is flexibly connected, the one end of appendix far from switch valve thereon through outer cylinder left wall and be connected in left housing, three-way pipeline
One end is connected to through bell and furnace body are interior, the other both ends of three-way pipeline run through the top of outer cylinder respectively with the inner and outer cylinder of left housing
Interior connection, one end that three-way pipeline is connected to left housing are equipped with the first air valve, and one end that three-way pipeline is connected to outer cylinder is equipped with
Second air valve, the application furnace body use the semi-enclosed structure of intermediate frequency furnace, can constantly there is high pressure gas discharge in Metal Melting.
Preferably, the ceramic feeding funnel is funnel-shaped, and the bottom end opening of ceramic feeding funnel is directed toward the top of helical cavity
Opening.
Preferably, the pressure collection mechanism further includes iron net, and iron net is placed in ceramic feeding funnel, and iron net is for holding
It is former to issue the aluminium bronze that electric arc melts in iron net by graphite electrode as first heating link of this smelting furnace for raw metal
Material is allowed to flow into helical cavity to connect two power connecting columns and form loop construction around furnace body, since the fusing point of iron is compared to aluminium blueness
The fusing point of copper is higher, so can be in the case where melting aluminium bronze not to iron net knot by the arc stiffness of control graphite electrode
It is configured to influence.
Preferably, the medium frequency alternating current of hertz is accessed on two power connecting columns.
Preferably, compression plate is located at the left end of right shell when the energy-stored spring is in equilibrium state, the bottom end of right shell with
The inner bottom wall of outer cylinder contacts.
Preferably, magnetic stirrer is installed on the drain pipe of the furnace body, as rabbling mechanism common in smelting furnace,
Magnetic stirrer is widely used, and the molten metal in furnace body and helical cavity can be helped to be sufficiently mixed in drain pipe, shape
At the molten metal of homogeneous.
In use, opening bell puts into aluminium bronze raw material into furnace body and ceramic feeding funnel respectively, it is stone after closing bell
Electrode ink is powered, and two power connecting columns access electric current of intermediate frequency, and graphite electrode, which generates electric arc, to be melted the aluminium bronze in iron net and flow into
In helical cavity, helical cavity stream expires the connection of latter two power connecting column, and the molten metal in helical cavity forms line around furnace body as conductor loop
Circle, forming current vortex heating structure identical with intermediate frequency furnace melts the intracorporal aluminium bronze of furnace, and the first air valve, which is in, at this time opens
State, the second air valve on the contrary, with fusion process progress, enter in left housing will storage for the intracorporal high pressure gas of furnace in fusion process
Energy spring-compressed, stretches retractable sack, and high pressure gas is completed by check valve and one-way cock discharge outer cylinder after reaching critical point
When the melting of aluminium bronze needs to carry out discharge in furnace body, the first valve is closed, opens the switch valve on the second valve and appendix,
High pressure gas is by entering helical cavity by appendix in gas receiver, since high pressure gas is slightly lower compared to the temperature of molten metal,
It is more sticky with gas position compared with the molten metal of high pressure gas contact first, support is formed by the liquid aluminium in helical cavity
Discharging in bronze push-in furnace body, due to the unlatching of the second valve, high pressure gas is filled into outer cylinder to right hull shape into compression, makes to stretch
Capsule, which is formed, to be shortened to ensure that gas can obtain enough pressure and liquid aluminium bronze in helical cavity is pushed into furnace body.
Compared with prior art:
1, the aluminium bronze undercurrent type smelting furnace of the air-pressure guide utilizes helical cavity ring by the setting of spiral heat exchange mechanisms
Furnace body volume can be increased around the structure of furnace body, graphite electrode generation circuit makes to enter metal melting inflow spiral shell in ceramic feeding all
Revolve intracavitary, the aluminium bronze melted in helical cavity can form loop construction as conducting wire transmission electric current, form the heating of intermediate frequency furnace
Structure heats the intracorporal metal of furnace using current vortex, forms mode of the electric arc furnaces in conjunction with intermediate frequency furnace, realizes low
The purpose of a large amount of Metal Meltings of energy consumption high thermal efficiency.
2, the aluminium bronze undercurrent type smelting furnace of the air-pressure guide, the setting of helical cavity can make full use of electric current of intermediate frequency vortex
Furnace intracorporal waste heat when heating makes the metal in helical cavity keep the state of melting, efficiently utilizes the energy, reduces heat damage
Consumption reduces cost input.
3, the aluminium bronze undercurrent type smelting furnace of the air-pressure guide, passes through the setting of pressure collection mechanism, melting later-stage utilization
Molten metal in helical cavity is pushed into discharging in furnace body by air pressure, while cutting off the connection of two power connecting columns terminates heating, utilizes gold
Belong in fusion process the pressure that generates to push molten metal in helical cavity that can save a large amount of energy, while being made using air pressure
It is compared in the high temperature environment for power relatively reliable with traditional mechanical structure.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is front elevational view of the present invention.
In figure: 1 furnace body, 2 spiral heat exchange mechanisms, 21 helical cavities, 22 power connecting columns, 23 appendixs, 3 pressure collection mechanisms, 31
Bell, 32 ceramic feeding funnels, 33 graphite electrodes, 34 pressure delivery devices, 341 outer cylinders, 342 gas receivers, 3421 left housings, 3422 right sides
Shell, 3423 retractable sacks, 3424 energy-stored springs, 3425 compression plates, 343 three-way pipelines, 4 iron nets.
Specific embodiment
The present invention provides a kind of technical solution referring to FIG. 1-2: a kind of aluminium bronze undercurrent type smelting furnace of air-pressure guide,
Furnace body 1, spiral heat exchange mechanisms 2 and pressure collection mechanism 3 including bottom right side installation drain pipe, spiral heat exchange mechanisms 2 are arranged
On the side wall of furnace body 1, the top open part of furnace body 1 is arranged in pressure collection mechanism 3, and the drain pipe on furnace body 1 needs to install
The valve mechanism of opening and closing does not do excessive narration as the basic structure of smelting furnace in the prior art herein.
Spiral heat exchange mechanisms 2 include helical cavity 21, two power connecting columns 22 and appendix 23 concentric with furnace body 1, spiral
Chamber 21 is provided in the side wall of furnace body 1, and the top of helical cavity 21 is located at 1 inner left wall of furnace body and has and connects inside opening and furnace body 1
Logical, appendix 23 is located at 1 outside of furnace body and is connected in the bottom end of helical cavity 21 with the inside of helical cavity 21 by switch valve, gas transmission
Switch valve on pipe 23 is cast steel gate valve, and two power connecting columns 22 through the side wall of furnace body 1 and extend respectively to helical cavity 21
In top and bottom end, the setting of spiral heat exchange mechanisms 2 can increase furnace body 1 around the structure of furnace body 1 using helical cavity 21 and hold
Product, graphite electrode generation circuit make to enter in ceramic feeding all 32 in metal melting inflow helical cavity 21, melting in helical cavity 21
Aluminium bronze can as conducting wire transmission electric current formed loop construction, form the heating structure of intermediate frequency furnace, using current vortex come pair
Metal in furnace body 1 is heated, and is formed mode of the electric arc furnaces in conjunction with intermediate frequency furnace, is realized a large amount of of low energy consumption high thermal efficiency
The purpose of Metal Melting, the waste heat when setting of helical cavity 21 can make full use of electric current of intermediate frequency eddy heating for heating in furnace body 1, makes spiral shell
The state that the metal in chamber 21 keeps melting is revolved, the energy is efficiently utilized, reduces thermal losses, reduce cost input.
Pressure collection mechanism 3 includes that the bell 31 being adapted to furnace body 1, ceramic feeding funnel 32, graphite electrode 33 and pressure push away
Mechanism 34 is sent, bell 31 is movably connected on the top end opening of furnace body 1, and ceramic feeding funnel 32 is fixedly mounted on an interior left side for furnace body 1
Upside on wall and positioned at 21 top of helical cavity, graphite electrode 33 correspond to the position of ceramic feeding funnel 32 and are referred on bell 31
To the top of ceramic feeding funnel 32, the upper surface of bell 31 is arranged in pressure delivery device 34, uses three-phase main-frequency in this programme
Electric current carries out electric arc heated, so the quantity of graphite electrode 33 is three, and graphite electrode 33 is directed toward ceramic feeding funnel 32 simultaneously only
It is heated for the aluminium bronze in ceramic feeding funnel 32, as the basic heating structure of electric arc furnaces, passes through graphite electrode the last 33
Degree belongs to well-known technique to adjust heating intensity, and the heating intensity of graphite electrode 33 need to control the fusing point and aluminium bronze in iron net 4
Between fusing point, by the setting of pressure collection mechanism 3, molten metal in helical cavity 21 is pushed into furnace body by the air pressure of melting later-stage utilization
With discharging in 1, while cutting off the connection of two power connecting columns 22 terminates heating, is pushed using the pressure generated in metal smelting process
Molten metal can save a large amount of energy in helical cavity 21, while compare in the high temperature environment and biography using air pressure as power
Mechanical structure of uniting is relatively reliable.
Pressure delivery device 34 includes outer cylinder 341 of the roof with one-way cock, gas receiver 342 and three-way pipeline 343, outer cylinder
The inlet end of one-way cock on 341 is directed toward inside outer cylinder 341, and outer cylinder 341 is fixedly connected on the right side of 31 upper surface of bell, storage
Inflator 342 is arranged on the inner left wall of outer cylinder 341, and gas receiver 342 is equipped with the right shell of check valve including left housing 3421, right wall
3422, retractable sack 3423, energy-stored spring 3424 and compression plate 3425, the check valve inlet end on right shell 3422 are directed toward right shell 3422
Inside, the left side of left housing 3421 are fixedly connected on 341 inner left wall of outer cylinder, and the open end of right shell 3422 passes through retractable sack 3423
It is flexibly connected with the open end of left housing 3421, the right side of compression plate 3425 passes through the interior right side of energy-stored spring 3424 and right shell 3422
Wall is flexibly connected, the one end of appendix 23 far from switch valve thereon through outer cylinder 341 left wall and be connected in left housing 3421, three
Thread a pipe 343 one end is connected to through bell 31 and furnace body 1 are interior, and the top of outer cylinder 341 is run through at the other both ends of three-way pipeline 343
End is connected to in the inner and outer cylinder 341 of left housing 3421 respectively, and one end that three-way pipeline 343 is connected to left housing 3421 is equipped with the first gas
Valve, one end that three-way pipeline 343 is connected to outer cylinder 341 are equipped with the second air valve, and the application furnace body 1 is semiclosed using intermediate frequency furnace
Formula structure can constantly have high pressure gas discharge in Metal Melting.
Ceramic feeding funnel 32 is funnel-shaped, and the bottom end opening of ceramic feeding funnel 32 is directed toward the top end opening of helical cavity 21
Place.
Pressure collection mechanism 3 further includes iron net 4, and iron net 4 is placed in ceramic feeding funnel 32, and iron net 4 is for holding metal
Raw material, as first heating link of this smelting furnace, issuing the aluminium bronze raw material in electric arc thawing iron net 4 by graphite electrode makes
Inflow helical cavity 21 form loop construction around furnace body 1 to connect two power connecting columns 22, since the fusing point of iron is compared to aluminium
The fusing point of bronze is higher, so can be in the case where melting aluminium bronze not to iron by the arc stiffness of control graphite electrode 33
4 structure of net impacts.
400 hertz of medium frequency alternating current is accessed on two power connecting columns 22.
Compression plate 3425 is located at the left end of right shell 3422, the bottom of right shell 3422 when energy-stored spring 3424 is in equilibrium state
End is contacted with the inner bottom wall of outer cylinder 341.
Magnetic stirrer is installed on the drain pipe of furnace body 1, as rabbling mechanism common in smelting furnace, magnetic stirrer
It is widely used, the molten metal in furnace body 1 and helical cavity 21 can be helped to be sufficiently mixed in drain pipe, form homogeneous
Molten metal.
Claims (6)
1. a kind of aluminium bronze undercurrent type smelting furnace of air-pressure guide, furnace body (1), spiral including bottom right side installation drain pipe are changed
Heat engine structure (2) and pressure collection mechanism (3), it is characterised in that: side wall of spiral heat exchange mechanisms (2) setting in furnace body (1)
On, the top open part in furnace body (1) is arranged in pressure collection mechanism (3)；
The spiral heat exchange mechanisms (2) include the helical cavity (21) concentric with furnace body (1), two power connecting columns (22) and appendix
(23), helical cavity (21) is provided in the side wall of furnace body (1), and the top of helical cavity (21) is located at furnace body (1) inner left wall and has
It is connected to inside opening and furnace body (1), appendix (23) is located on the outside of furnace body (1) and passes through switch valve in the bottom end of helical cavity (21)
It is connected to the inside of helical cavity (21), two power connecting columns (22) run through the side wall of furnace body (1) and extend respectively to helical cavity
(21) in top and bottom end；
The pressure collection mechanism (3) includes the bell (31) being adapted to furnace body (1), ceramic feeding funnel (32), graphite electrode
(33) it is movably connected on the top end opening of furnace body (1) with pressure delivery device (34), the bell (31), ceramic feeding funnel
(32) it is fixedly mounted on the inner left wall of furnace body (1) and is located at the upside on helical cavity (21) top, graphite electrode (33) runs through furnace
The position of ceramic feeding funnel (32) is corresponded on lid (31) and is directed toward the top of ceramic feeding funnel (32), and pressure delivery device (34) is set
Set the upper surface in bell (31)；
The pressure delivery device (34) includes outer cylinder (341) of the roof with one-way cock, gas receiver (342) and three-way pipeline
(343), the outer cylinder (341) is fixedly connected on the right side of bell (31) upper surface, and gas receiver (342) is arranged in outer cylinder (341)
Inner left wall on, gas receiver (342) includes that left housing (3421), right wall are equipped with right shell (3422), the retractable sack of check valve
(3423), the left side of energy-stored spring (3424) and compression plate (3425), the left housing (3421) is fixedly connected on outer cylinder (341)
On inner left wall, the open end of right shell (3422) is flexibly connected by retractable sack (3423) with the open end of left housing (3421), is compressed
The right side of plate (3425) is flexibly connected by energy-stored spring (3424) with the inner right wall of right shell (3422), and appendix (23) is separate
Thereon one end of switch valve through outer cylinder (341) left wall and with left housing (3421) in be connected to, one end of three-way pipeline (343) is passed through
Wear in bell (31) and furnace body (1) and be connected to, the other both ends of three-way pipeline (343) run through the top of outer cylinder (341) respectively with
Connection in left housing (3421) inner and outer cylinder (341), one end that three-way pipeline (343) is connected to left housing (3421) is equipped with the first gas
Valve, one end that three-way pipeline (343) is connected to outer cylinder (341) are equipped with the second air valve.
2. a kind of aluminium bronze undercurrent type smelting furnace of air-pressure guide according to claim 1, it is characterised in that: the ceramics
Feeding funnel (32) is funnel-shaped, and the bottom end opening of ceramic feeding funnel (32) is directed toward at the top end opening of helical cavity (21).
3. a kind of aluminium bronze undercurrent type smelting furnace of air-pressure guide according to claim 1, it is characterised in that: the pressure
Collecting mechanism (3) further includes iron net (4), and iron net (4) is placed in ceramic feeding funnel (32).
4. a kind of aluminium bronze undercurrent type smelting furnace of air-pressure guide according to claim 1, it is characterised in that: described in two
400 hertz of medium frequency alternating current is accessed on power connecting column (22).
5. a kind of aluminium bronze undercurrent type smelting furnace of air-pressure guide according to claim 1, it is characterised in that: the energy storage
Compression plate (3425) is located at the left end of right shell (3422) when spring (3424) is in equilibrium state, the bottom end of right shell (3422) with
The inner bottom wall of outer cylinder (341) contacts.
6. a kind of aluminium bronze undercurrent type smelting furnace of air-pressure guide according to claim 1, it is characterised in that: the furnace body
(1) magnetic stirrer is installed on drain pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811624306.9A CN109708469A (en) | 2018-12-28 | 2018-12-28 | A kind of aluminium bronze undercurrent type smelting furnace of air-pressure guide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811624306.9A CN109708469A (en) | 2018-12-28 | 2018-12-28 | A kind of aluminium bronze undercurrent type smelting furnace of air-pressure guide |
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| CN109708469A true CN109708469A (en) | 2019-05-03 |
Family
ID=66259096
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811624306.9A Pending CN109708469A (en) | 2018-12-28 | 2018-12-28 | A kind of aluminium bronze undercurrent type smelting furnace of air-pressure guide |
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| CN207751322U (en) * | 2018-01-04 | 2018-08-21 | 刘培国 | A kind of mid-frequency melting furnace of easy to exhaust |
| CN207991248U (en) * | 2018-01-12 | 2018-10-19 | 天津金都嘉铸业有限公司 | A kind of environment-friendly type arc heating furnace |
| CN109000480A (en) * | 2018-07-10 | 2018-12-14 | 安徽工程大学 | A kind of metallurgy work high temperature has the refinery furnace of interior protection structure |
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2018
- 2018-12-28 CN CN201811624306.9A patent/CN109708469A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203824310U (en) * | 2014-04-29 | 2014-09-10 | 安徽瑞林汽配有限公司 | Structure of smelting furnace |
| JP2017089972A (en) * | 2015-11-10 | 2017-05-25 | 株式会社日本製鋼所 | Cold crucible induction melting device |
| CN107655333A (en) * | 2016-07-26 | 2018-02-02 | 株洲晨昕中高频设备有限公司 | A kind of compound-heating heat-treatment furnace |
| CN207716853U (en) * | 2017-12-11 | 2018-08-10 | 福建省大田县恒丰工贸有限公司 | A kind of three-phawse arc furnace |
| CN207751322U (en) * | 2018-01-04 | 2018-08-21 | 刘培国 | A kind of mid-frequency melting furnace of easy to exhaust |
| CN207991248U (en) * | 2018-01-12 | 2018-10-19 | 天津金都嘉铸业有限公司 | A kind of environment-friendly type arc heating furnace |
| CN109000480A (en) * | 2018-07-10 | 2018-12-14 | 安徽工程大学 | A kind of metallurgy work high temperature has the refinery furnace of interior protection structure |
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Application publication date: 20190503 |