CN2042179U - Movable multifunctional combined stove - Google Patents

Abstract

The utility model relates to a movable multifunctional combined stove which is the key equipment of the production line of a new process for producing oxygen free copper rods by an upper guide continuous casting method. The movable multifunctional combined stove not only can be used for producing oxygen free copper rods and wires, but also can be used for producing other oxygen free copper tubes, the hollow conductors of section steel, and various heteromorphic copper materials. The movable multifunctional combined stove is provided with three channels, three work chambers, a melting chamber, a standing chamber, an insulation chamber. The two channels are arranged between the melting chamber and the standing chamber, and the other is arranged in the insulation and lifting chamber. An electric control adopts the automatic balancing voltage regulator of the three-phase power supply of a single phase stove, and is matched with a continuous oxygen probe, a rod warm, a channel, and the detection device of return water temperature. The technology of the movable multifunctional combined stove for producing oxygen-free copper products is simple, the off-the-shelf yield is high, the operation is convenient, and the investment cost of power saving is low.

Description

Movable multifunctional combined stove

Multi-purpose movable combined furnace of the present invention is produced the key equipment of oxygen-free copper bar new technology production line with " upward-casting process ", it not only can be used for producing oxygen-free copper bar, line, can also be used to producing other oxygen-free copper bars, section bar, hollow core conductor and various special-shaped copper material.

Nearly 30 cover " upward-casting process " oxygen-free copper production lines that domestic in recent years each wire ﹠ cable factory, Copper Material Factory go into operation in succession, after its key equipment melting furnace, holding furnace are single ditch formula line frequency furnace (comprising the production line from external introduction) cathode copper and melt in melting furnace, its inclination certain angle is entered in the holding furnace by chute by stem bar by copper liquid by tilting device.In holding furnace, carry out drawing crystallization in the copper liquid insulation lifting then and be cast as oxygen-free copper bar.This melting furnace, holding furnace separately independently twin furnace separate system structure, operating procedure complexity, unstable product quality.The process of particularly toppling over copper liquid is difficult to appropriate control, thereby cause the regular cracking of copper bar, brittle failure, internal porosity appears, Flaws-that diseases such as hole, even taked some corrective measure of sealed chute, but the quality influence of being brought when always being difficult to avoid this periodically to topple over copper liquid, thereby the updraft continuous casting process production line of this kind structure makes the percent defective of most of factories increase cost to increase severely.

Just from external introduction Finland gram difficult to understand Toland company, a complete set of technology of upward-casting process and equipment are the L820K production line, 8000 tons of annual production 20mm oxygen-free copper bars, L1614K type production line annual production 14.4mm, 12000 tons of its production capacity of oxygen-free copper bar are all quite considerable, yet can one of problem be the raw material cathode copper supply that have amount like this many, it two is promptly to enable the whether supply in time of in stockit is available source, can guarantee not hold up work for lack of material because of the influence of links such as transportation, can it three have enough circulating funds, lay in the turnover of raw material input, just consider with 1000 tons of cathode coppers of every monthly consumption, by existing market 10400 yuan per ton approximately of the copper valency that floats, then the interior occupation of capital of one-month period be 1,040 ten thousand yuan this etc. fund non-be that general middle-size and small-size factory can bear; It four is that the shortcoming of the production line maximum introduced is that electric furnace can not have a power failure when holding up work for lack of material, must power supply be incubated, as in a single day having a power failure, then must cause electric furnace to scrap, certain factory holds up work for lack of material only to power in nearly six months and is incubated the about 220KW of power consumption actual measurement every day, about 950,000 degree of stopping production power consumption in 6 months, 190,000 yuan of the electricity charge.

The purpose of this invention is to provide a kind of three channels that have, the multi-purpose movable combined furnace of three operating rooms is produced the oxygen-free copper product, and technology is simple, technology stability good, and the product qualified rate height is easy to operate, and power savings is remarkable, investment cost is low.

Multi-purpose movable combined furnace has three channels, three operating rooms.Two melting chamber channel G1, G2 is placed between melting chamber and the rest chamber, moist closet channel G3 is placed in insulation and promotes indoor, three channels promote chamber with first head piece and second head piece with melting chamber, rest chamber insulation from the bottom and are communicated with, and each channel all is equivalent to have the secondary short circuited coil of core line frequency furnace transformer 1LB2LB.

Multi-purpose movable combined furnace top is to have melting chamber, rest chamber, insulation to promote the chamber in the upper furnace body, the outside is last furnace shell, following grate, between last furnace shell and the following grate furnace shell lower shoe is housed, build in the last furnace shell two-layer refractory brick is arranged, adopt the quartz sand lining insulation between the refractory brick, between outer refractory brick and the furnace shell silicate aluminum board and asbestos board are housed, adopt first partition wall to separate between melting chamber and the rest chamber, the bottom has first head piece, quiescent chamber and insulation promote adopts second partition wall to separate between the chamber, the bottom has copper liquid second head piece.Last furnace shell cover plate melting chamber is arranged at furnace shell top, and the feed cap handle is arranged at top, feed cap, melting chamber stove cover plate; Rest chamber cover plate, rest chamber cover plate, rest chamber crystallizer jack are arranged at rest chamber top, drawing bar with 8 when the copper material changes 2 into and uses during drawing bar, at this moment inactive moist closet liter, for economize on electricity is just used, insulation promotes top, chamber has insulation to promote room cover plate, the right cover plate of moist closet, moist closet left cover, and the moist closet cover plate is formed, 8 insulations are housed on the moist closet cover plate promote chamber crystallizer jack, draw bar in order to copper liquid crystallizer to be installed; Decide oxygen head jack continuously, copper liquid liquid-level tracking control usefulness, float jack.Melting chamber channel G1 is arranged at melting chamber and rest chamber bottom, G2, melting chamber furnace transformer iron core is equipped with in the centre, inductor coil is equipped with in melting chamber furnace transformer iron core outside, coil is equipped with water jacket outward, in order to cooling coil, water jacket is equipped with quartz sand lining outward, it is two-layer to build refractory brick around the melting chamber top by laying bricks or stones, interlayer filling quartz sand is in order to insulation and heat insulation, melting chamber, all use the quartz sand tamping in the channel case of rest chamber bottom, it is outside to be equipped with iron core and to load and unload dolly with the carrying bolt ， And that links to each other with following grate, is convenient to replacing, dismounting iron core when repairing the inductor coil water jacket and tearing brickwork open, insulation promotes the bottom, chamber moist closet channel G3 is housed, the moist closet iron core, the moist closet coil is housed on the iron core, and the moist closet water jacket is equipped with in the coil outside, and insulation promotes the bottom, chamber moist closet iron core loading and unloading dolly is housed, be convenient to change, repair the moist closet coil, the moist closet water jacket, loading and unloading moist closet iron core is used when tearing brickwork open.The body of heater roller bottom board is equipped with in the combination stove bottom, and combination stove rolling bracket, combination stove rolling bracket are equipped with by on the body of heater rolling wheel guide rails in the base plate bottom, and roller can move on the body of heater rolling wheel guide rails, is convenient to combination stove and repairs.

Promote the indoor crystallizer lower end that is installed in insulation, And immerses the graphite mo(u)ld in the copper liquid, upwards attracts copper liquid with negative pressure of vacuum, after crystallization is cooled to copper copper bar, by lifting running roller, the guide wheel device of elevator, by admission machine coiler device rolling lopping.

The continuous oxygen jack of deciding is housed on moist closet top, interior dress is inserted with continuous oxygen probe, by microcomputer, instrument simultaneously continuous number show that copper liquid temperature and two groups of data of copper liquid oxygen activity And realize remote measurement with the curtain display, be convenient to operate automatic fillet printer with test result with the print record on time of temperature oxygen activity data.

Oxygen-free copper bar is equipped with bar temperature accelerated surface thermometer in last drawing in the process, its measuring speed is 0.5-1 second, the temperature measurement accuracy height.

This combination stove is furnished with channel and plays molten temperature transducer, and this sensor can play the whole temperature rise situations that accurately record solid-state channel in the molten process at channel, makes the automatic record of regulation meter y2, y3, draws the temperature-raising characteristic curve.

Combination stove is furnished with backwater thermometric case, but continuous telemetering flows through crystallizer, the return water temperature of electric furnace water jacket, coil, cooling water, and carry out the numeral demonstration, be beneficial to product quality is carried out technology controlling and process.

The multi-purpose movable combined furnace electrical control gear adopts single-phase electricfurnace three phase supply self-balancing regulator, be equipped with that circle diagram automatic temperature-adjusting regulation meter carries out the PID(ratio in the XW2E-402 type, integration, differential, differential is regulated) regulate, press the voltage-regulation mode of shunting switch to have power supply simply than the domestic and international plug auto-transformer distribution that adopts usually, easy to use, operation advantage freely, especially the voltage regulating mode of the distinctive zero trigger-type continuous stepless of this kind has been avoided building the diffusing destruction of real shake by the electromagnetic force impact of transient state step electric pulse generation to furnace lining material is bonding in the pressure regulation process, thereby has improved lining durability.

Portable combination stove adopts single-phase electricfurnace three phase supply self-balancing regulator to mainly contain three single-phase transformers, and pie diagram automatic temperature-adjusting regulation meter is formed in controllable silicon dc voltage regulator, the XW2E-402 type.Main element is assemblied in forms one in the switch board, be convenient to manipulate three single-phase transformers and form frequency tripling transformer 1SB(or 2SB) every single-phase transformer has three windings: an elementary winding, a secondary windings, an Exciting Windings for Transverse Differential Protection, after being linked to be star-star connection, three elementary windings of three single-phase transformers drop into A, B, the C three-phase power network, become open-delta to draw behind three secondary windings series wirings and be connected to furnace transformer 1LB, the elementary winding of 2LB, three Exciting Windings for Transverse Differential Protection also are concatenated into open-delta and are connected to silicon-controlled voltage regulation device 1KTS(or 2KTS) lead-out terminal.Controllable silicon dc voltage regulator 1KTS(or 2KTS) control utmost point output stage respectively with instrument XWZE-402 instrument y2(or y3) PID lead-out terminal "+", "-" extremely link to each other, and instrument y2(or y3) connect.Temperature indicator also is housed in the control to be recorded stove inner melt temperature by thermocouple and can show after instrument XWZE-402 handles.Lean against direct current controllable voltage regulating device.Potentiometer knob W also is housed on the control flow, and when controlled dc voltage regulator is not connected with the PIO lead-out terminal of instrument y2, y3, but regulator potentiometer carries out the manual adjustments output voltage.

Multi-purpose movable combined furnace is the combination stoves of using with three fine copper channels, three operating rooms (melting chamber rest chamber, insulation promote the chamber) more, cathode copper is under 200KW fusing power, spontaneous current is gone into rest chamber in melting chamber fusing back, the insulation that copper liquid after leaving standstill flows into insulation power 80KW again naturally promotes indoor, draws the oxygen-free copper product by the crystallizer that graphite mo(u)ld the is housed negative pressure that makes progress.Should many following advantage be arranged with combination stove:

1, how to have reduced the electric furnace power drain than Finland's introducing equipment and improved melting rate than existing domestic most home-built equipments with combination stove, be beneficial to and realize high and stable yields, owing to set up rest chamber, make copper liquid be used to draw bar after stablizing transition through leaving standstill, help improving the quality of products, the combination stoves of using of this automatic supplementation with copper liquid can make percent defective greatly reduce more.

2, use the production line of combination stove structure production line than external introduction more, cancelled complicated sealing chute, and be supporting gas supply of chute and gas generating station, cancelled the turndown device of toppling over melting furnace copper liquid, channel plays molten special-purpose giving molten crucible and go into operation furnace apparatus, equipment is greatly simplified, saved investment cost.

3, this equipment has adopted silicon-controlled voltage regulation device PID automatic temperature-adjusting regulating system, the partial pressure switch voltage-regulation form power supply of not only adopting in the external introducing equipment is simple, easy to use, operation freely and the regulative mode of this continuous stepless pressure regulation, the destruction of having avoided being impacted the furnace lining jointing material by the electromagnetic force of transient state step electric pulse generation in the pressure regulation process has improved lining durability, has reduced production cost.

4, this equipment has adopted three phase supply autobalance frequency tripling device for transformer, has not only solved the three-phase imbalance powerup issue that brings behind the single-phase induction electric furnace of present domestic, external employing.And northeast, North China to often having a power failure because of power supply shortage, the installed capacity that general factory all has diesel generating set can greatly reduce, and only needs about 1/3-1/2, and reduces cost of investment.

5, at present abroad introduce, domestic self-control dip-coating forming process production line and up-drawing method continuous casting line all be melting furnace, holding furnace separately independently twin furnace separate the system structure, under the under-supply situation of cathode copper, can only hold up work for lack of material, the power supply insulation, and how with the combination stove blowing out that can have a power failure when the electrolytic copper material supply discontinuity, raw material can play molten blow-on immediately to factory and draw bar, can save a large amount of electric energy and expend, and production cost is reduced.

6, how little with the disconnected ditch accident impact of combination stove, disconnected ditch accident takes place in production line that general twin furnace separates the system structure easily when playing smelting furnace or the operation error in normal productive process, melting furnace or holding furnace are because independent separately in case such fault occurs, can not cause whole body of heater to be scrapped to tear stove open heavily building, not only expense increases, and the multi-purpose movable combined furnace of finishing smoothly that has a strong impact on the plant produced plan has three fine copper channels that interconnect and makes furnace foundation, draw in the bar process in a molten blow-on or production, as careless slightly generation channel fracture accident, any one disconnected ditch all can flow by the copper liquid of other intact channel and repair.Usually so long as not three disconnected ditch accidents all be can in time repair (this reparation was carried out repeatedly, and repairing effect is all fine, and for the accident that three disconnected ditches take place simultaneously, possibility is minimum, so far also do not occur, more appearance be a disconnected ditch accident, more easily repair.For the present domestic and continuous up-casting production line introduced then is insoluble problem.

7, how to have adopted the up-to-date measuring technology of deciding oxygen continuously automatically with combination stove, the oxygen content in the oxygen-free copper must be not more than 30PPM, so most important in Determination of Oxygen.Usually be to adopt copper chemical analytical standard method or coulomb to decide the oxygen method to Determination of Oxygen in the copper, and can only measure oxygen content in the solid-state copper, these methods and instrument test cycle are long, monitoring effect for ordinary production is little, be difficult to timely feedback test information, the eighties state-of-the-art technology that has adopted copper liquid to decide oxygen continuously automatically, by microcomputer instrucment and large screen display, automatically the fillet printer with test result with temperature, oxygen activity numeral Shuan Xian Shi And print record on time, for the operation of upward-casting process production-line technique provides reliably means of testing automatically.And no matter this measuring technology is that virtue orchid, the U.S. or most domestic self-built upward-casting process production line all belong to blank.

8, many with the strong adaptability of combination stove to product variety, output.In cathode copper raw material supply deficiency, last leader number is kept to 1～2 when drawing bar, the bottom roller of whole body of heater can be rolled along track and move, make the crystallizer parts stretch into insulation and promote the chamber and change into stretching into and make insulation promote indoor channel in the rest chamber to stop using by former, only start pair melting chamber of channels part and rest chamber with saves energy consumption, reduce production costs.Can be with the crystallizer that this equipment is complementary by producing needs, development is produced kinds such as oxygen-free copper pipe, hollow core conductor, section bar.

9, equipment configuration designs the oxygen free copper wire rod land surface pyrometer voluntarily, and fast Ce Liang And shows the oxygen-free copper bar surface temperature, and its measuring speed was than fast 2 seconds of Shanghai instrument and meter for automation three factories typing land surface pyrometer, and it is high about 2 ℃ to estimate precision.

10, this equipment also is equipped with the channel of design voluntarily to play molten temperature transducer, and this sensor can rise in the molten process at channel and accurately record the whole temperature rise situations of solid-state channel, makes the regulation meter record draw heating curve.

The invention will be further described below with reference to accompanying drawing.

Fig. 1 is the multi-purpose movable combined furnace front view.

Fig. 2 is the multi-purpose movable combined furnace vertical view.

Fig. 3 is a multi-purpose movable combined furnace technological process schematic diagram.

Fig. 4 is the multi-purpose movable combined furnace electrical schematic diagram.

Fig. 5 is that multi-purpose movable combined furnace adopts single-phase electricfurnace three phase supply self-balancing regulator control moist closet channel temperature schematic diagram.

Fig. 6 is that multi-purpose movable combined furnace adopts the two chambers of single-phase electricfurnace three phase supply self-balancing regulator control melting chamber channel temperature schematic diagram.

Among the figure: 1, melting chamber feed cap handle, 2, the melting chamber feed cap, 3, the melting chamber stove cover plate, 4, furnace shell on the multi-purpose movable combined furnace, 5, asbestos board, 6, silicate aluminum board 7, the melting chamber inner lining refractory block, 8, quartz sand, 9, the outer refractory brick of melting chamber, 10 melting chamber channel G1, G2,11, quartz sand lining, 12, water jacket, 13, inductor coil, 14, melting chamber channel case, 15, following grate, 16, carrying bolt, 17, iron core loading and unloading dolly, 18, the combination stove rolling bracket, 19, moist closet iron core loading and unloading dolly, 20, moist closet channel G3,21, the moist closet iron core, 22, moist closet coil 23, the moist closet water jacket, 24, the furnace shell lower shoe, 25, the melting chamber iron core, 26, first partition wall, 27, second partition wall, 28, quartz sand lining, 29, the moist closet inner lining refractory block, 30, the outer refractory brick of moist closet, 31, melting chamber, 32, rest chamber, 33, insulation promotes the chamber, 34, last furnace shell cover plate, 35, the moist closet cover plate, 36, the rest chamber cover plate, 37, quiescent chamber's crystallizer jack, 38, the rest chamber cover plate, 19 body of heater rolling wheel guide rails, 40, the body of heater roller bottom board, 41, the float jack, 42, decide oxygen head jack continuously, 43, insulation promotes chamber crystallizer jack, 44, the right cover plate of moist closet, 45, the moist closet left cover, 46, the moist closet cover plate, 47, graphite casting die, 48 crystallizers, 49, copper liquid second head piece, 50, elevator wheel, 51, guide wheel device, 52, the admission machine coiler device, 53, continuous oxygen probe, 54, microcomputer copper liquid apparatus for determination of oxygen, 55, copper liquid first head piece, 1SB, melting chamber, quiescent chamber's frequency tripling transformer, 2SB, moist closet frequency tripling transformer, 1LB, melting chamber quiescent chamber furnace transformer, 2SB, the moist closet furnace transformer, 1KTS, melting chamber channel controllable silicon dc voltage regulator, the controlled dc voltage regulator of 2KST moist closet channel.

With reference to accompanying drawing, it is melting chamber channel G1, G2(10 that multi-purpose movable combined furnace has three channels), moist closet channel G3(20), three operating rooms are that melting chamber (31) quiescent chamber (32), insulation promote chamber (33).Two melting chamber channel G1, G2(10) be placed between melting chamber (31) and quiescent chamber (32), moist closet channel G3(20) being placed in insulation promotes in the chamber (33), three channels use copper liquid first head piece (55) and copper liquid second head piece (49) with melting chamber (31) from the bottom, quiescent chamber (32), insulation promotes chamber (33) and is communicated with melting chamber channel G1, G2(10) be equivalent to melting chamber, there is core line frequency furnace transformer 1LB secondary short circuited coil moist closet channel G3(20 the quiescent chamber) be equivalent to have core line frequency furnace transformer 2LB secondary short circuited coil.Multi-purpose movable combined furnace top is to have melting chamber (31), quiescent chamber (32) insulation lifting chamber (33), outside to be last furnace shell (4), following grate (15), to go up between furnace shell and the following grate furnace shell lower shoe (24) is housed in the upper furnace body.Build respectively in the last furnace shell (4) two-layer refractory brick is arranged, the outer refractory brick (9) of melting chamber, melting chamber inner lining refractory block (7) and the outer refractory brick of moist closet, moist closet inner lining refractory block, adopt quartz sand lining (8), (28) between the two-layer refractory brick respectively, insulation is equipped with anti-cotton plate (5) between outer refractory brick and the last furnace shell (4).With silicate aluminum board (6) insulation and heat insulation with the external world.(adopt first partition wall (26) to separate between 32, the bottom has copper liquid first head piece, and quiescent chamber and insulation promote adopts second partition wall (27) to separate between the chamber, and the bottom has copper liquid first head piece (49) for melting chamber (31) and quiescent chamber.Furnace shell cover plate (34), melting chamber (31) top are equipped with in furnace shell top to be had on melting chamber stove cover plate (3), melting chamber feed cap (2), the feed cap melting chamber feed cap handle (1) is housed, rest chamber cover plate (38), rest chamber cover plate (36) are arranged at rest chamber (32) top, and rest chamber crystallizer jack (37) is housed on the cover plate; Rest chamber crystallizer jack is used when the copper material is not enough and is drawn bar with 8 and change 2 into and draw bar, and the insulation of stopping using this moment promotes the chamber and draws bar; Insulation promotes top, chamber (3) has moist closet cover plate (35) respectively by the right cover plate (44) of moist closet, moist closet left cover (45, moist closet cover plate (46) is formed, 8 insulations are housed on the moist closet cover plate (35) promote chamber crystallizer jack (43), be used to install copper liquid crystallizer and draw bar, decide oxygen jack (42), copper liquid liquid-level tracking control float jack (41) continuously.Melting chamber channel G1, G2 are arranged at melting chamber and bottom, quiescent chamber, and melting chamber furnace transformer 1LB iron core is equipped with in the centre, and induction coil (13) is equipped with in melting chamber furnace transformer iron core outside.Coil is equipped with water jacket (12) outward in order to cooling coil, water jacket is equipped with quartz sand lining outward, one to build refractory brick two-layer around melting chamber (31) top, interlayer filling quartz sand is in order to insulation and heat insulation, all adopt the quartz sand tamping in the channel case of melting chamber (31), bottom, quiescent chamber, it is outside to link to each other with following grate (15) with carrying bolt (16), and the bottom is equipped with that iron core loading and unloading dolly is convenient to change, repairing induction coil (13), water jacket (12) and demolition melting chamber iron core (25) usefulness when rolling over brickwork.Insulation promotes bottom, chamber (33) moist closet channel G3(20 is housed), moist closet furnace transformer 2LB iron core (21), moist closet coil (22) is housed on the iron core, moist closet water jacket (23) is equipped with in the coil outside, insulation promotes the bottom, chamber moist closet iron core loading and unloading dolly (19) is housed, be convenient to change repairing moist closet coil (22), moist closet water jacket (23), tear open, loading and unloading moist closet iron core (21) during brickwork, with portable combination stove bottom body of heater roller bottom board (40) is housed, combination stove roller (18) is equipped with in the base plate bottom, roller is installed on the body of heater rolling wheel guide rails (39), and the combination stove roller can move on the body of heater rolling wheel guide rails is convenient to the combination stove repairing.

Promote in insulation and indoorly to decide continuously that dress is inserted with continuous oxygen probe (553) oxygen jack (42) in, decide oxygen (53) while continuous number demonstration copper liquid temperature and two groups of data of copper liquid oxygen activity by microcomputer copper liquid, and with large screen display.Operation is convenient in the realization remote control.Combination stove is furnished with channel and plays molten temperature transducer, and this sensor can play the whole intensification situations that accurately record solid-state channel in the molten process at channel G1, G2, G3, regulation meter y1, y2, y3 is write down automatically draw the temperature-raising characteristic curve.The backwater thermometric case that combination stove is furnished with, but continuous telemetering flows through crystallizer (48), melting chamber water jacket (12), moist closet water jacket (23), melting chamber coil (13), moist closet coil (22), the return water temperature of cooling water, and carry out the numeral demonstration, be convenient to control product quality.

Portable combination stove adopts the self balancing pressure regulator of single-phase electricfurnace three phase supply, mainly contain three single-phase transformers, the controllable silicon dc voltage regulator, yWZE-402 type instrument is formed three single-phase transformers and is formed frequency tripling transformer melting chamber channel controllable silicon dc voltage regulator 1KTS or the controlled dc voltage regulator 2KTS of moist closet channel.Or the controlled dc voltage regulator 2KTS of moist closet channel.Every single-phase transformer has three windings; An elementary winding, a secondary windings, an Exciting Windings for Transverse Differential Protection, three elementary windings of three single-phase transformers drop into A, B, C three-phase power network after being linked to be star-star connection, become open-delta to draw elementary three Exciting Windings for Transverse Differential Protection that are connected to melting chamber, quiescent chamber, furnace transformer 1LB, moist closet furnace transformer 2LB behind three secondary windings series wirings and also are connected into open-delta and are connected to silicon-controlled voltage regulation device 1KT(or 2KTS) lead-out terminal.The control utmost point output stage of controllable silicon dc voltage regulator 1KTS(or 2KTS respectively with instrument xWZE-402 instrument y2(or y3) PID lead-out terminal "+", "-" extremely link to each other instrument y2(or y3) connect.Temperature indicator also is housed on the control flow to be recorded in the stove solution temperature by thermocouple and can show after instrument xWZE-402 handles.Lean against on the direct current controllable voltage regulating device control flow potentiometer knob W also is housed, when controlled dc voltage regulator is not connected with the PID lead-out terminal of instrument y2, y3, but regulator potentiometer carries out the manual adjustments output voltage.

Multi-purpose movable combined furnace is the disjunctor stove with three channels and three operating rooms, three fine copper channels are made furnace foundation, wherein two channels are placed between melting chamber (33) and the rest chamber (32) channel and are placed in insulation and promote in the chamber (31), three channels promote the chamber from the bottom head piece with melting chamber, rest chamber, insulation and are communicated with, each channel all is equivalent to have the secondary single turn short-circuited coil of core power frequency induction furnace furnace transformer, short circuit current makes each channel intensification melting copper liquid, is furnace foundation copper liquid.The raw material cathode copper adds from the melting chamber (33) of Fig. 1, first head piece (55) flows into middle rest chamber (32) to copper liquid after the fusing through the bottom, copper liquid leaves standstill to the uniform temperature that meets the casting technique requirement and promptly stably flows in the insulation lifting chamber (31) by the bottom second road head piece (49) in rest chamber (32), and in this chamber, be installed in crystallizer (48) Fig. 3, bottom and the graphite casting die (47) that immerses in the copper liquid then suck copper liquid with negative pressure, upwards draw oxygen-free copper product (being called up-drawing method so plant new technology) do intermittent movement by two couples lifting running roller (50) of hauling machine behind a secondary cooling zone casting crystalline of crystallizer (48).Oxygen-free copper bar is equipped with bar temperature accelerated surface thermometer in last drawing in the process, adopt the oxygen free copper wire rod surface temperature sensor to detect, and its measuring speed is 0.5～1 second, the temperature measurement accuracy height.Enter admission machine coiler device (52) by guide wheel device (51) at last, the finished product after the lopping can hang warehouse-in or send next procedure to continue processing with crane gear.

Claims (4)

1, a kind of have on, dress melting chamber in the furnace shell on the following grate, moist closet, channel, top has feed cap, the feed cap handle, the asbestos board that heat-insulation and heat-preservation is used is housed between last furnace shell and the melting chamber, silicate aluminum board, ectonexine refractory brick, quartz sand, melting chamber channel case, the melting chamber iron core is equipped with in the melting chamber bottom, iron core is equipped with inductor coil outward, water jacket, quartz sand lining, crystallizer is equipped with on top, the graphite mo(u)ld in the copper liquid is immersed in the lower end, upwards attract copper liquid to be cooled to the lifting running roller of copper bar with negative pressure of vacuum by elevator through crystallization, guide wheel device, multi-purpose movable combined furnace by admission machine coiler device rolling lopping, it is characterized in that having three channels, three operating rooms, two melting chambers, channel, G1, G2 is placed between melting chamber and the quiescent chamber moist closet channel G3 and is placed in insulation and promotes indoor, three channels from the bottom with first head piece and second head piece with melting chamber, rest chamber, insulation promotes the chamber and is communicated with, and each channel all is equivalent to have core line frequency furnace transformer ILB, the secondary short circuited coil of 2LB.

2, multi-purpose movable combined furnace according to claim 1, it is characterized in that multi-purpose movable combined furnace top is in the upper furnace body melting chamber to be arranged, the quiescent chamber, insulation promotes the chamber, adopt first partition wall to separate between melting chamber and the quiescent chamber, the bottom has on copper liquid second stream, the melting chamber stove cover plate is arranged at melting chamber top, melting chamber feed cap handle, the rest chamber cover plate is arranged at rest chamber top, respectively by the right cover plate of moist closet, the moist closet left cover, the moist closet cover plate is formed, several insulation lifting chamber crystallizer jacks are housed on the moist closet cover plate draw handle in order to copper liquid crystallizer to be installed, and the continuous oxygen head jack of deciding is housed, copper liquid liquid-level tracking is controlled and is used the float jack; Melting chamber channel G1, G2 are arranged at melting chamber and bottom, quiescent chamber, melting chamber furnace transformer 1LB iron core is equipped with in the centre, induction coil is equipped with in melting chamber furnace transformer iron core outside, coil is equipped with water jacket outward, water jacket is equipped with the quartz sand stove outward, all adopt the quartz sand tamping in the channel case of melting chamber, bottom, quiescent chamber, its outside carrying bolt of using links to each other with following grate, and iron core loading and unloading dolly is equipped with in the bottom; Insulation promotes the bottom, chamber moist closet channel G3, moist closet furnace transformer 2LB iron core is housed, and the moist closet coil is housed on the iron core, and the moist closet water jacket is equipped with in the coil outside, and insulation promotes the bottom, chamber moist closet iron core loading and unloading dolly is housed; Portable combination stove bottom is equipped with the body of heater roller and can be moved on the body of heater rolling wheel guide rails.

3, portable combination stove according to claim 1 is characterized in that electrical control gear adopts single-phase electricfurnace three phase supply self-balancing regulator, mainly is made up of three single-phase transformers, controllable silicon dc voltage regulator, middle circle diagram automatic temperature-adjusting regulation meter.

4, according to claim 1 or 3 described portable combination stoves, it is characterized in that three single-phase transformers composition frequency tripling transformer 1SB or 2SB, every single-phase transformer is an elementary winding by three windings, an Exciting Windings for Transverse Differential Protection, three elementary windings of three single-phase transformers drop into A, B, C three-phase power network after being linked to be star-star connection, become open-delta to draw the elementary winding that is connected to furnace transformer 1LB, 2LB after three secondary windings series connection groups, three Exciting Windings for Transverse Differential Protection also are concatenated into open-delta and are connected to silicon-controlled voltage regulation device 1KTS or 2KTS lead-out terminal; The control utmost point of controllable silicon dc voltage regulator 1KTS or 2KTS, output stage extremely link to each other with PID lead-out terminal "+", "-" of middle circle diagram automatic temperature-adjusting regulation meter y2 or y3 respectively, and instrument y2 or y3 connection.

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